/**
 * @file items.cpp
 *
 * Implementation of item functionality.
 */
#include "items.h"

#include <algorithm>
#ifdef _DEBUG
#include <random>
#endif
#include <climits>
#include <cstdint>

#include <fmt/core.h>
#include <fmt/format.h>

#include "DiabloUI/ui_flags.hpp"
#include "controls/plrctrls.h"
#include "cursor.h"
#include "doom.h"
#include "engine/backbuffer_state.hpp"
#include "engine/clx_sprite.hpp"
#include "engine/dx.h"
#include "engine/load_cel.hpp"
#include "engine/random.hpp"
#include "engine/render/clx_render.hpp"
#include "engine/render/text_render.hpp"
#include "init.h"
#include "inv_iterators.hpp"
#include "levels/town.h"
#include "lighting.h"
#include "minitext.h"
#include "missiles.h"
#include "options.h"
#include "panels/info_box.hpp"
#include "panels/ui_panels.hpp"
#include "player.h"
#include "playerdat.hpp"
#include "qol/stash.h"
#include "spells.h"
#include "stores.h"
#include "utils/format_int.hpp"
#include "utils/language.h"
#include "utils/log.hpp"
#include "utils/math.h"
#include "utils/str_case.hpp"
#include "utils/str_cat.hpp"
#include "utils/utf8.hpp"

namespace devilution {

Item Items[MAXITEMS + 1];
uint8_t ActiveItems[MAXITEMS];
uint8_t ActiveItemCount;
int8_t dItem[MAXDUNX][MAXDUNY];
bool ShowUniqueItemInfoBox;
CornerStoneStruct CornerStone;
bool UniqueItemFlags[128];
int MaxGold = GOLD_MAX_LIMIT;

/** Maps from item_cursor_graphic to in-memory item type. */
int8_t ItemCAnimTbl[] = {
	20, 16, 16, 16, 4, 4, 4, 12, 12, 12,
	12, 12, 12, 12, 12, 21, 21, 25, 12, 28,
	28, 28, 38, 38, 38, 32, 38, 38, 38, 24,
	24, 26, 2, 25, 22, 23, 24, 21, 27, 27,
	29, 0, 0, 0, 12, 12, 12, 12, 12, 0,
	8, 8, 0, 8, 8, 8, 8, 8, 8, 6,
	8, 8, 8, 6, 8, 8, 6, 8, 8, 6,
	6, 6, 8, 8, 8, 5, 9, 13, 13, 13,
	5, 5, 5, 15, 5, 5, 18, 18, 18, 30,
	5, 5, 14, 5, 14, 13, 16, 18, 5, 5,
	7, 1, 3, 17, 1, 15, 10, 14, 3, 11,
	8, 0, 1, 7, 0, 7, 15, 7, 3, 3,
	3, 6, 6, 11, 11, 11, 31, 14, 14, 14,
	6, 6, 7, 3, 8, 14, 0, 14, 14, 0,
	33, 1, 1, 1, 1, 1, 7, 7, 7, 14,
	14, 17, 17, 17, 0, 34, 1, 0, 3, 17,
	8, 8, 6, 1, 3, 3, 11, 3, 12, 12,
	12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
	12, 12, 12, 12, 12, 12, 12, 35, 39, 36,
	36, 36, 37, 38, 38, 38, 38, 38, 41, 42,
	8, 8, 8, 17, 0, 6, 8, 11, 11, 3,
	3, 1, 6, 6, 6, 1, 8, 6, 11, 3,
	6, 8, 1, 6, 6, 17, 40, 0, 0
};

/** Maps of drop sounds effect of placing the item in the inventory. */
SfxID ItemInvSnds[] = {
	SfxID::ItemArmor,
	SfxID::ItemAxe,
	SfxID::ItemPotion,
	SfxID::ItemBow,
	SfxID::ItemGold,
	SfxID::ItemCap,
	SfxID::ItemSword,
	SfxID::ItemShield,
	SfxID::ItemSword,
	SfxID::ItemRock,
	SfxID::ItemAxe,
	SfxID::ItemStaff,
	SfxID::ItemRing,
	SfxID::ItemCap,
	SfxID::ItemLeather,
	SfxID::ItemShield,
	SfxID::ItemScroll,
	SfxID::ItemArmor,
	SfxID::ItemBook,
	SfxID::ItemArmor,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemPotion,
	SfxID::ItemBodyPart,
	SfxID::ItemBodyPart,
	SfxID::ItemMushroom,
	SfxID::ItemSign,
	SfxID::ItemBloodStone,
	SfxID::ItemAnvil,
	SfxID::ItemStaff,
	SfxID::ItemRock,
	SfxID::ItemScroll,
	SfxID::ItemScroll,
	SfxID::ItemRock,
	SfxID::ItemMushroom,
	SfxID::ItemArmor,
	SfxID::ItemLeather,
	SfxID::ItemLeather,
};

namespace {

OptionalOwnedClxSpriteList itemanims[ITEMTYPES];

enum class PlayerArmorGraphic : uint8_t {
	// clang-format off
	Light  = 0,
	Medium = 1 << 4,
	Heavy  = 1 << 5,
	// clang-format on
};

Item curruitem;

/** Holds item get records, tracking items being recently looted. This is in an effort to prevent items being picked up more than once. */
ItemGetRecordStruct itemrecord[MAXITEMS];

bool itemhold[3][3];

/** Specifies the number of active item get records. */
int gnNumGetRecords;

int OilLevels[] = { 1, 10, 1, 10, 4, 1, 5, 17, 1, 10 };
int OilValues[] = { 500, 2500, 500, 2500, 1500, 100, 2500, 15000, 500, 2500 };
item_misc_id OilMagic[] = {
	IMISC_OILACC,
	IMISC_OILMAST,
	IMISC_OILSHARP,
	IMISC_OILDEATH,
	IMISC_OILSKILL,
	IMISC_OILBSMTH,
	IMISC_OILFORT,
	IMISC_OILPERM,
	IMISC_OILHARD,
	IMISC_OILIMP,
};
char OilNames[10][25] = {
	N_("Oil of Accuracy"),
	N_("Oil of Mastery"),
	N_("Oil of Sharpness"),
	N_("Oil of Death"),
	N_("Oil of Skill"),
	N_("Blacksmith Oil"),
	N_("Oil of Fortitude"),
	N_("Oil of Permanence"),
	N_("Oil of Hardening"),
	N_("Oil of Imperviousness")
};

/** Map of item type .cel file names. */
const char *const ItemDropNames[] = {
	"armor2",
	"axe",
	"fbttle",
	"bow",
	"goldflip",
	"helmut",
	"mace",
	"shield",
	"swrdflip",
	"rock",
	"cleaver",
	"staff",
	"ring",
	"crownf",
	"larmor",
	"wshield",
	"scroll",
	"fplatear",
	"fbook",
	"food",
	"fbttlebb",
	"fbttledy",
	"fbttleor",
	"fbttlebr",
	"fbttlebl",
	"fbttleby",
	"fbttlewh",
	"fbttledb",
	"fear",
	"fbrain",
	"fmush",
	"innsign",
	"bldstn",
	"fanvil",
	"flazstaf",
	"bombs1",
	"halfps1",
	"wholeps1",
	"runes1",
	"teddys1",
	"cows1",
	"donkys1",
	"mooses1",
};
/** Maps of item drop animation length. */
int8_t ItemAnimLs[] = {
	15,
	13,
	16,
	13,
	10,
	13,
	13,
	13,
	13,
	20,
	13,
	13,
	13,
	13,
	13,
	13,
	13,
	13,
	13,
	1,
	16,
	16,
	16,
	16,
	16,
	16,
	16,
	16,
	13,
	12,
	12,
	13,
	13,
	13,
	8,
	10,
	16,
	16,
	10,
	10,
	15,
	15,
	15,
};
/** Maps of drop sounds effect of dropping the item on ground. */
SfxID ItemDropSnds[] = {
	SfxID::ItemArmorFlip,
	SfxID::ItemAxeFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemBowFlip,
	SfxID::ItemGold,
	SfxID::ItemCapFlip,
	SfxID::ItemSwordFlip,
	SfxID::ItemShieldFlip,
	SfxID::ItemSwordFlip,
	SfxID::ItemRockFlip,
	SfxID::ItemAxeFlip,
	SfxID::ItemStaffFlip,
	SfxID::ItemRingFlip,
	SfxID::ItemCapFlip,
	SfxID::ItemLeatherFlip,
	SfxID::ItemShieldFlip,
	SfxID::ItemScrollFlip,
	SfxID::ItemArmorFlip,
	SfxID::ItemBookFlip,
	SfxID::ItemLeatherFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemPotionFlip,
	SfxID::ItemBodyPartFlip,
	SfxID::ItemBodyPartFlip,
	SfxID::ItemMushroomFlip,
	SfxID::ItemSignFlip,
	SfxID::ItemBloodStoneFlip,
	SfxID::ItemAnvilFlip,
	SfxID::ItemStaffFlip,
	SfxID::ItemRockFlip,
	SfxID::ItemScrollFlip,
	SfxID::ItemScrollFlip,
	SfxID::ItemRockFlip,
	SfxID::ItemMushroomFlip,
	SfxID::ItemArmorFlip,
	SfxID::ItemLeatherFlip,
	SfxID::ItemLeatherFlip,
};
/** Maps from Griswold premium item number to a quality level delta as added to the base quality level. */
int premiumlvladd[] = {
	// clang-format off
	-1,
	-1,
	 0,
	 0,
	 1,
	 2,
	// clang-format on
};
/** Maps from Griswold premium item number to a quality level delta as added to the base quality level. */
int premiumLvlAddHellfire[] = {
	// clang-format off
	-1,
	-1,
	-1,
	 0,
	 0,
	 0,
	 0,
	 1,
	 1,
	 1,
	 1,
	 2,
	 2,
	 3,
	 3,
	// clang-format on
};

bool IsPrefixValidForItemType(int i, AffixItemType flgs, bool hellfireItem)
{
	AffixItemType itemTypes = ItemPrefixes[i].PLIType;

	if (!hellfireItem) {
		if (i > 82)
			return false;

		if (i >= 12 && i <= 20)
			itemTypes &= ~AffixItemType::Staff;
	}

	return HasAnyOf(flgs, itemTypes);
}

bool IsSuffixValidForItemType(int i, AffixItemType flgs, bool hellfireItem)
{
	AffixItemType itemTypes = ItemSuffixes[i].PLIType;

	if (!hellfireItem) {
		if (i > 94)
			return false;

		if ((i >= 0 && i <= 1)
		    || (i >= 14 && i <= 15)
		    || (i >= 21 && i <= 22)
		    || (i >= 34 && i <= 36)
		    || (i >= 41 && i <= 44)
		    || (i >= 60 && i <= 63))
			itemTypes &= ~AffixItemType::Staff;
	}

	return HasAnyOf(flgs, itemTypes);
}

int ItemsGetCurrlevel()
{
	if (setlevel) {
		switch (setlvlnum) {
		case SL_SKELKING:
			return Quests[Q_SKELKING]._qlevel;
		case SL_BONECHAMB:
			return Quests[Q_SCHAMB]._qlevel;
		case SL_POISONWATER:
			return Quests[Q_PWATER]._qlevel;
		case SL_VILEBETRAYER:
			return Quests[Q_BETRAYER]._qlevel;
		default:
			return 1;
		}
	}

	if (leveltype == DTYPE_NEST)
		return currlevel - 8;

	if (leveltype == DTYPE_CRYPT)
		return currlevel - 7;

	return currlevel;
}

bool ItemPlace(Point position)
{
	if (dMonster[position.x][position.y] != 0)
		return false;
	if (dPlayer[position.x][position.y] != 0)
		return false;
	if (dItem[position.x][position.y] != 0)
		return false;
	if (IsObjectAtPosition(position))
		return false;
	if (TileContainsSetPiece(position))
		return false;
	if (IsTileSolid(position))
		return false;

	return true;
}

Point GetRandomAvailableItemPosition()
{
	Point position = {};
	do {
		position = Point { GenerateRnd(80), GenerateRnd(80) } + Displacement { 16, 16 };
	} while (!ItemPlace(position));

	return position;
}

void AddInitItems()
{
	int curlv = ItemsGetCurrlevel();
	int rnd = GenerateRnd(3) + 3;
	for (int j = 0; j < rnd; j++) {
		int ii = AllocateItem();
		auto &item = Items[ii];

		Point position = GetRandomAvailableItemPosition();
		item.position = position;

		dItem[position.x][position.y] = ii + 1;

		item._iSeed = AdvanceRndSeed();
		SetRndSeed(item._iSeed);

		GetItemAttrs(item, PickRandomlyAmong({ IDI_MANA, IDI_HEAL }), curlv);

		item._iCreateInfo = curlv | CF_PREGEN;
		SetupItem(item);
		item.AnimInfo.currentFrame = item.AnimInfo.numberOfFrames - 1;
		item._iAnimFlag = false;
		item.selectionRegion = SelectionRegion::Bottom;
		DeltaAddItem(ii);
	}
}

void SpawnNote()
{
	_item_indexes id;

	switch (currlevel) {
	case 22:
		id = IDI_NOTE2;
		break;
	case 23:
		id = IDI_NOTE3;
		break;
	default:
		id = IDI_NOTE1;
		break;
	}

	Point position = GetRandomAvailableItemPosition();
	SpawnQuestItem(id, position, 0, SelectionRegion::Bottom, false);
}

void CalcSelfItems(Player &player)
{
	int sa = 0;
	int ma = 0;
	int da = 0;

	// first iteration is used for collecting stat bonuses from items
	for (Item &equipment : EquippedPlayerItemsRange(player)) {
		equipment._iStatFlag = true;
		if (equipment._iIdentified) {
			sa += equipment._iPLStr;
			ma += equipment._iPLMag;
			da += equipment._iPLDex;
		}
	}

	bool changeflag;
	do {
		// cap stats to 0
		const int currstr = std::max(0, sa + player._pBaseStr);
		const int currmag = std::max(0, ma + player._pBaseMag);
		const int currdex = std::max(0, da + player._pBaseDex);

		changeflag = false;
		for (Item &equipment : EquippedPlayerItemsRange(player)) {
			if (!equipment._iStatFlag)
				continue;

			if (currstr >= equipment._iMinStr
			    && currmag >= equipment._iMinMag
			    && currdex >= equipment._iMinDex)
				continue;

			changeflag = true;
			equipment._iStatFlag = false;
			if (equipment._iIdentified) {
				sa -= equipment._iPLStr;
				ma -= equipment._iPLMag;
				da -= equipment._iPLDex;
			}
		}
	} while (changeflag);
}

bool GetItemSpace(Point position, int8_t inum)
{
	int xx = 0;
	int yy = 0;
	for (int j = position.y - 1; j <= position.y + 1; j++) {
		xx = 0;
		for (int i = position.x - 1; i <= position.x + 1; i++) {
			itemhold[xx][yy] = ItemSpaceOk({ i, j });
			xx++;
		}
		yy++;
	}

	bool savail = false;
	for (int j = 0; j < 3; j++) {
		for (int i = 0; i < 3; i++) { // NOLINT(modernize-loop-convert)
			if (itemhold[i][j])
				savail = true;
		}
	}

	int rs = GenerateRnd(15) + 1;

	if (!savail)
		return false;

	xx = 0;
	yy = 0;
	while (rs > 0) {
		if (itemhold[xx][yy])
			rs--;
		if (rs <= 0)
			continue;
		xx++;
		if (xx != 3)
			continue;
		xx = 0;
		yy++;
		if (yy == 3)
			yy = 0;
	}

	xx += position.x - 1;
	yy += position.y - 1;
	Items[inum].position = { xx, yy };
	dItem[xx][yy] = inum + 1;

	return true;
}

void CalcItemValue(Item &item)
{
	int v = item._iVMult1 + item._iVMult2;
	if (v > 0) {
		v *= item._ivalue;
	}
	if (v < 0) {
		v = item._ivalue / v;
	}
	v = item._iVAdd1 + item._iVAdd2 + v;
	item._iIvalue = std::max(v, 1);
}

void GetBookSpell(Item &item, int lvl)
{
	int rv;

	if (lvl == 0)
		lvl = 1;

	int maxSpells = gbIsHellfire ? MAX_SPELLS : 37;

	rv = GenerateRnd(maxSpells) + 1;

	if (gbIsSpawn && lvl > 5)
		lvl = 5;

	int s = static_cast<int8_t>(SpellID::Firebolt);
	SpellID bs = SpellID::Firebolt;
	while (rv > 0) {
		int sLevel = GetSpellBookLevel(static_cast<SpellID>(s));
		if (sLevel != -1 && lvl >= sLevel) {
			rv--;
			bs = static_cast<SpellID>(s);
		}
		s++;
		if (!gbIsMultiplayer) {
			if (s == static_cast<int8_t>(SpellID::Resurrect))
				s = static_cast<int8_t>(SpellID::Telekinesis);
		}
		if (!gbIsMultiplayer) {
			if (s == static_cast<int8_t>(SpellID::HealOther))
				s = static_cast<int8_t>(SpellID::BloodStar);
		}
		if (s == maxSpells)
			s = 1;
	}
	const std::string_view spellName = GetSpellData(bs).sNameText;
	const size_t iNameLen = std::string_view(item._iName).size();
	const size_t iINameLen = std::string_view(item._iIName).size();
	CopyUtf8(item._iName + iNameLen, spellName, sizeof(item._iName) - iNameLen);
	CopyUtf8(item._iIName + iINameLen, spellName, sizeof(item._iIName) - iINameLen);
	item._iSpell = bs;
	const SpellData &spellData = GetSpellData(bs);
	item._iMinMag = spellData.minInt;
	item._ivalue += spellData.bookCost();
	item._iIvalue += spellData.bookCost();
	switch (spellData.type()) {
	case MagicType::Fire:
		item._iCurs = ICURS_BOOK_RED;
		break;
	case MagicType::Lightning:
		item._iCurs = ICURS_BOOK_BLUE;
		break;
	case MagicType::Magic:
		item._iCurs = ICURS_BOOK_GREY;
		break;
	}
}

int RndPL(int param1, int param2)
{
	return param1 + GenerateRnd(param2 - param1 + 1);
}

int CalculateToHitBonus(int level)
{
	switch (level) {
	case -50:
		return -RndPL(6, 10);
	case -25:
		return -RndPL(1, 5);
	case 20:
		return RndPL(1, 5);
	case 36:
		return RndPL(6, 10);
	case 51:
		return RndPL(11, 15);
	case 66:
		return RndPL(16, 20);
	case 81:
		return RndPL(21, 30);
	case 96:
		return RndPL(31, 40);
	case 111:
		return RndPL(41, 50);
	case 126:
		return RndPL(51, 75);
	case 151:
		return RndPL(76, 100);
	default:
		app_fatal("Unknown to hit bonus");
	}
}

int SaveItemPower(const Player &player, Item &item, ItemPower &power)
{
	if (!gbIsHellfire) {
		if (power.type == IPL_TARGAC) {
			power.param1 = 1 << power.param1;
			power.param2 = 3 << power.param2;
		}
	}

	int r = RndPL(power.param1, power.param2);

	switch (power.type) {
	case IPL_TOHIT:
		item._iPLToHit += r;
		break;
	case IPL_TOHIT_CURSE:
		item._iPLToHit -= r;
		break;
	case IPL_DAMP:
		item._iPLDam += r;
		break;
	case IPL_DAMP_CURSE:
		item._iPLDam -= r;
		break;
	case IPL_DOPPELGANGER:
		item._iDamAcFlags |= ItemSpecialEffectHf::Doppelganger;
		[[fallthrough]];
	case IPL_TOHIT_DAMP:
		r = RndPL(power.param1, power.param2);
		item._iPLDam += r;
		item._iPLToHit += CalculateToHitBonus(power.param1);
		break;
	case IPL_TOHIT_DAMP_CURSE:
		item._iPLDam -= r;
		item._iPLToHit += CalculateToHitBonus(-power.param1);
		break;
	case IPL_ACP:
		item._iPLAC += r;
		break;
	case IPL_ACP_CURSE:
		item._iPLAC -= r;
		break;
	case IPL_SETAC:
		item._iAC = r;
		break;
	case IPL_AC_CURSE:
		item._iAC -= r;
		break;
	case IPL_FIRERES:
		item._iPLFR += r;
		break;
	case IPL_LIGHTRES:
		item._iPLLR += r;
		break;
	case IPL_MAGICRES:
		item._iPLMR += r;
		break;
	case IPL_ALLRES:
		item._iPLFR = std::max(item._iPLFR + r, 0);
		item._iPLLR = std::max(item._iPLLR + r, 0);
		item._iPLMR = std::max(item._iPLMR + r, 0);
		break;
	case IPL_SPLLVLADD:
		item._iSplLvlAdd = r;
		break;
	case IPL_CHARGES:
		item._iCharges *= power.param1;
		item._iMaxCharges = item._iCharges;
		break;
	case IPL_SPELL:
		item._iSpell = static_cast<SpellID>(power.param1);
		item._iCharges = power.param2;
		item._iMaxCharges = power.param2;
		break;
	case IPL_FIREDAM:
		item._iFlags |= ItemSpecialEffect::FireDamage;
		item._iFlags &= ~ItemSpecialEffect::LightningDamage;
		item._iFMinDam = power.param1;
		item._iFMaxDam = power.param2;
		item._iLMinDam = 0;
		item._iLMaxDam = 0;
		break;
	case IPL_LIGHTDAM:
		item._iFlags |= ItemSpecialEffect::LightningDamage;
		item._iFlags &= ~ItemSpecialEffect::FireDamage;
		item._iLMinDam = power.param1;
		item._iLMaxDam = power.param2;
		item._iFMinDam = 0;
		item._iFMaxDam = 0;
		break;
	case IPL_STR:
		item._iPLStr += r;
		break;
	case IPL_STR_CURSE:
		item._iPLStr -= r;
		break;
	case IPL_MAG:
		item._iPLMag += r;
		break;
	case IPL_MAG_CURSE:
		item._iPLMag -= r;
		break;
	case IPL_DEX:
		item._iPLDex += r;
		break;
	case IPL_DEX_CURSE:
		item._iPLDex -= r;
		break;
	case IPL_VIT:
		item._iPLVit += r;
		break;
	case IPL_VIT_CURSE:
		item._iPLVit -= r;
		break;
	case IPL_ATTRIBS:
		item._iPLStr += r;
		item._iPLMag += r;
		item._iPLDex += r;
		item._iPLVit += r;
		break;
	case IPL_ATTRIBS_CURSE:
		item._iPLStr -= r;
		item._iPLMag -= r;
		item._iPLDex -= r;
		item._iPLVit -= r;
		break;
	case IPL_GETHIT_CURSE:
		item._iPLGetHit += r;
		break;
	case IPL_GETHIT:
		item._iPLGetHit -= r;
		break;
	case IPL_LIFE:
		item._iPLHP += r << 6;
		break;
	case IPL_LIFE_CURSE:
		item._iPLHP -= r << 6;
		break;
	case IPL_MANA:
		item._iPLMana += r << 6;
		RedrawComponent(PanelDrawComponent::Mana);
		break;
	case IPL_MANA_CURSE:
		item._iPLMana -= r << 6;
		RedrawComponent(PanelDrawComponent::Mana);
		break;
	case IPL_DUR: {
		int bonus = r * item._iMaxDur / 100;
		item._iMaxDur += bonus;
		item._iDurability += bonus;
	} break;
	case IPL_CRYSTALLINE:
		item._iPLDam += 140 + r * 2;
		[[fallthrough]];
	case IPL_DUR_CURSE:
		item._iMaxDur -= r * item._iMaxDur / 100;
		item._iMaxDur = std::max<uint8_t>(item._iMaxDur, 1);
		item._iDurability = item._iMaxDur;
		break;
	case IPL_INDESTRUCTIBLE:
		item._iDurability = DUR_INDESTRUCTIBLE;
		item._iMaxDur = DUR_INDESTRUCTIBLE;
		break;
	case IPL_LIGHT:
		item._iPLLight += power.param1;
		break;
	case IPL_LIGHT_CURSE:
		item._iPLLight -= power.param1;
		break;
	case IPL_MULT_ARROWS:
		item._iFlags |= ItemSpecialEffect::MultipleArrows;
		break;
	case IPL_FIRE_ARROWS:
		item._iFlags |= (ItemSpecialEffect::FireArrows | ItemSpecialEffect::FireDamage);
		item._iFlags &= ~ItemSpecialEffect::LightningArrows;
		item._iFMinDam = power.param1;
		item._iFMaxDam = power.param2;
		item._iLMinDam = 0;
		item._iLMaxDam = 0;
		break;
	case IPL_LIGHT_ARROWS:
		item._iFlags |= (ItemSpecialEffect::LightningArrows | ItemSpecialEffect::LightningDamage);
		item._iFlags &= ~ItemSpecialEffect::FireArrows;
		item._iLMinDam = power.param1;
		item._iLMaxDam = power.param2;
		item._iFMinDam = 0;
		item._iFMaxDam = 0;
		break;
	case IPL_FIREBALL:
		item._iFlags |= (ItemSpecialEffect::LightningArrows | ItemSpecialEffect::FireArrows);
		item._iFMinDam = power.param1;
		item._iFMaxDam = power.param2;
		item._iLMinDam = 0;
		item._iLMaxDam = 0;
		break;
	case IPL_THORNS:
		item._iFlags |= ItemSpecialEffect::Thorns;
		break;
	case IPL_NOMANA:
		item._iFlags |= ItemSpecialEffect::NoMana;
		RedrawComponent(PanelDrawComponent::Mana);
		break;
	case IPL_ABSHALFTRAP:
		item._iFlags |= ItemSpecialEffect::HalfTrapDamage;
		break;
	case IPL_KNOCKBACK:
		item._iFlags |= ItemSpecialEffect::Knockback;
		break;
	case IPL_3XDAMVDEM:
		item._iFlags |= ItemSpecialEffect::TripleDemonDamage;
		break;
	case IPL_ALLRESZERO:
		item._iFlags |= ItemSpecialEffect::ZeroResistance;
		break;
	case IPL_STEALMANA:
		if (power.param1 == 3)
			item._iFlags |= ItemSpecialEffect::StealMana3;
		if (power.param1 == 5)
			item._iFlags |= ItemSpecialEffect::StealMana5;
		RedrawComponent(PanelDrawComponent::Mana);
		break;
	case IPL_STEALLIFE:
		if (power.param1 == 3)
			item._iFlags |= ItemSpecialEffect::StealLife3;
		if (power.param1 == 5)
			item._iFlags |= ItemSpecialEffect::StealLife5;
		RedrawComponent(PanelDrawComponent::Health);
		break;
	case IPL_TARGAC:
		if (gbIsHellfire)
			item._iPLEnAc = power.param1;
		else
			item._iPLEnAc += r;
		break;
	case IPL_FASTATTACK:
		if (power.param1 == 1)
			item._iFlags |= ItemSpecialEffect::QuickAttack;
		if (power.param1 == 2)
			item._iFlags |= ItemSpecialEffect::FastAttack;
		if (power.param1 == 3)
			item._iFlags |= ItemSpecialEffect::FasterAttack;
		if (power.param1 == 4)
			item._iFlags |= ItemSpecialEffect::FastestAttack;
		break;
	case IPL_FASTRECOVER:
		if (power.param1 == 1)
			item._iFlags |= ItemSpecialEffect::FastHitRecovery;
		if (power.param1 == 2)
			item._iFlags |= ItemSpecialEffect::FasterHitRecovery;
		if (power.param1 == 3)
			item._iFlags |= ItemSpecialEffect::FastestHitRecovery;
		break;
	case IPL_FASTBLOCK:
		item._iFlags |= ItemSpecialEffect::FastBlock;
		break;
	case IPL_DAMMOD:
		item._iPLDamMod += r;
		break;
	case IPL_RNDARROWVEL:
		item._iFlags |= ItemSpecialEffect::RandomArrowVelocity;
		break;
	case IPL_SETDAM:
		item._iMinDam = power.param1;
		item._iMaxDam = power.param2;
		break;
	case IPL_SETDUR:
		item._iDurability = power.param1;
		item._iMaxDur = power.param1;
		break;
	case IPL_ONEHAND:
		item._iLoc = ILOC_ONEHAND;
		break;
	case IPL_DRAINLIFE:
		item._iFlags |= ItemSpecialEffect::DrainLife;
		break;
	case IPL_RNDSTEALLIFE:
		item._iFlags |= ItemSpecialEffect::RandomStealLife;
		break;
	case IPL_NOMINSTR:
		item._iMinStr = 0;
		break;
	case IPL_ADDACLIFE:
		item._iFlags |= (ItemSpecialEffect::LightningArrows | ItemSpecialEffect::FireArrows);
		item._iFMinDam = power.param1;
		item._iFMaxDam = power.param2;
		item._iLMinDam = 1;
		item._iLMaxDam = 0;
		break;
	case IPL_ADDMANAAC:
		item._iFlags |= (ItemSpecialEffect::LightningDamage | ItemSpecialEffect::FireDamage);
		item._iFMinDam = power.param1;
		item._iFMaxDam = power.param2;
		item._iLMinDam = 2;
		item._iLMaxDam = 0;
		break;
	case IPL_FIRERES_CURSE:
		item._iPLFR -= r;
		break;
	case IPL_LIGHTRES_CURSE:
		item._iPLLR -= r;
		break;
	case IPL_MAGICRES_CURSE:
		item._iPLMR -= r;
		break;
	case IPL_DEVASTATION:
		item._iDamAcFlags |= ItemSpecialEffectHf::Devastation;
		break;
	case IPL_DECAY:
		item._iDamAcFlags |= ItemSpecialEffectHf::Decay;
		item._iPLDam += r;
		break;
	case IPL_PERIL:
		item._iDamAcFlags |= ItemSpecialEffectHf::Peril;
		break;
	case IPL_JESTERS:
		item._iDamAcFlags |= ItemSpecialEffectHf::Jesters;
		break;
	case IPL_ACDEMON:
		item._iDamAcFlags |= ItemSpecialEffectHf::ACAgainstDemons;
		break;
	case IPL_ACUNDEAD:
		item._iDamAcFlags |= ItemSpecialEffectHf::ACAgainstUndead;
		break;
	case IPL_MANATOLIFE: {
		int portion = ((player._pMaxManaBase >> 6) * 50 / 100) << 6;
		item._iPLMana -= portion;
		item._iPLHP += portion;
	} break;
	case IPL_LIFETOMANA: {
		int portion = ((player._pMaxHPBase >> 6) * 40 / 100) << 6;
		item._iPLHP -= portion;
		item._iPLMana += portion;
	} break;
	default:
		break;
	}

	return r;
}

bool StringInPanel(const char *str)
{
	return GetLineWidth(str, GameFont12, 2) < 254;
}

int PLVal(int pv, int p1, int p2, int minv, int maxv)
{
	if (p1 == p2)
		return minv;
	if (minv == maxv)
		return minv;
	return minv + (maxv - minv) * (100 * (pv - p1) / (p2 - p1)) / 100;
}

void SaveItemAffix(const Player &player, Item &item, const PLStruct &affix)
{
	auto power = affix.power;
	int value = SaveItemPower(player, item, power);

	value = PLVal(value, power.param1, power.param2, affix.minVal, affix.maxVal);
	if (item._iVAdd1 != 0 || item._iVMult1 != 0) {
		item._iVAdd2 = value;
		item._iVMult2 = affix.multVal;
	} else {
		item._iVAdd1 = value;
		item._iVMult1 = affix.multVal;
	}
}

int GetStaffPrefixId(int lvl, bool onlygood, bool hellfireItem)
{
	int preidx = -1;
	if (FlipCoin(10) || onlygood) {
		int nl = 0;
		int l[256];
		for (int j = 0, n = static_cast<int>(ItemPrefixes.size()); j < n; ++j) {
			if (!IsPrefixValidForItemType(j, AffixItemType::Staff, hellfireItem) || ItemPrefixes[j].PLMinLvl > lvl)
				continue;
			if (onlygood && !ItemPrefixes[j].PLOk)
				continue;
			l[nl] = j;
			nl++;
			if (ItemPrefixes[j].PLDouble) {
				l[nl] = j;
				nl++;
			}
		}
		if (nl != 0) {
			preidx = l[GenerateRnd(nl)];
		}
	}
	return preidx;
}

std::string GenerateStaffName(const ItemData &baseItemData, SpellID spellId, bool translate)
{
	std::string_view baseName = translate ? _(baseItemData.iName) : baseItemData.iName;
	std::string_view spellName = translate ? pgettext("spell", GetSpellData(spellId).sNameText) : GetSpellData(spellId).sNameText;
	std::string_view normalFmt = translate ? pgettext("spell", /* TRANSLATORS: Constructs item names. Format: {Item} of {Spell}. Example: War Staff of Firewall */ "{0} of {1}") : "{0} of {1}";
	std::string name = fmt::format(fmt::runtime(normalFmt), baseName, spellName);
	if (!StringInPanel(name.c_str())) {
		std::string_view shortName = translate ? _(baseItemData.iSName) : baseItemData.iSName;
		name = fmt::format(fmt::runtime(normalFmt), shortName, spellName);
	}
	return name;
}

std::string GenerateStaffNameMagical(const ItemData &baseItemData, SpellID spellId, int preidx, bool translate, std::optional<bool> forceNameLengthCheck)
{
	std::string_view baseName = translate ? _(baseItemData.iName) : baseItemData.iName;
	std::string_view magicFmt = translate ? pgettext("spell", /* TRANSLATORS: Constructs item names. Format: {Prefix} {Item} of {Spell}. Example: King's War Staff of Firewall */ "{0} {1} of {2}") : "{0} {1} of {2}";
	std::string_view spellName = translate ? pgettext("spell", GetSpellData(spellId).sNameText) : GetSpellData(spellId).sNameText;
	std::string_view prefixName = translate ? _(ItemPrefixes[preidx].PLName) : ItemPrefixes[preidx].PLName;

	std::string identifiedName = fmt::format(fmt::runtime(magicFmt), prefixName, baseName, spellName);
	if (forceNameLengthCheck ? *forceNameLengthCheck : !StringInPanel(identifiedName.c_str())) {
		std::string_view shortName = translate ? _(baseItemData.iSName) : baseItemData.iSName;
		identifiedName = fmt::format(fmt::runtime(magicFmt), prefixName, shortName, spellName);
	}
	return identifiedName;
}

void GetStaffPower(const Player &player, Item &item, int lvl, SpellID bs, bool onlygood)
{
	int preidx = GetStaffPrefixId(lvl, onlygood, gbIsHellfire);
	if (preidx != -1) {
		item._iMagical = ITEM_QUALITY_MAGIC;
		SaveItemAffix(player, item, ItemPrefixes[preidx]);
		item._iPrePower = ItemPrefixes[preidx].power.type;
	}

	const ItemData &baseItemData = AllItemsList[item.IDidx];
	std::string staffName = GenerateStaffName(baseItemData, item._iSpell, false);

	CopyUtf8(item._iName, staffName, sizeof(item._iName));
	if (preidx != -1) {
		std::string staffNameMagical = GenerateStaffNameMagical(baseItemData, item._iSpell, preidx, false, std::nullopt);
		CopyUtf8(item._iIName, staffNameMagical, sizeof(item._iIName));
	} else {
		CopyUtf8(item._iIName, item._iName, sizeof(item._iIName));
	}

	CalcItemValue(item);
}

std::string GenerateMagicItemName(const std::string_view &baseNamel, const PLStruct *pPrefix, const PLStruct *pSufix, bool translate)
{
	if (pPrefix != nullptr && pSufix != nullptr) {
		std::string_view fmt = translate ? _(/* TRANSLATORS: Constructs item names. Format: {Prefix} {Item} of {Suffix}. Example: King's Long Sword of the Whale */ "{0} {1} of {2}") : "{0} {1} of {2}";
		return fmt::format(fmt::runtime(fmt), translate ? _(pPrefix->PLName) : pPrefix->PLName, baseNamel, translate ? _(pSufix->PLName) : pSufix->PLName);
	} else if (pPrefix != nullptr) {
		std::string_view fmt = translate ? _(/* TRANSLATORS: Constructs item names. Format: {Prefix} {Item}. Example: King's Long Sword */ "{0} {1}") : "{0} {1}";
		return fmt::format(fmt::runtime(fmt), translate ? _(pPrefix->PLName) : pPrefix->PLName, baseNamel);
	} else if (pSufix != nullptr) {
		std::string_view fmt = translate ? _(/* TRANSLATORS: Constructs item names. Format: {Item} of {Suffix}. Example: Long Sword of the Whale */ "{0} of {1}") : "{0} of {1}";
		return fmt::format(fmt::runtime(fmt), baseNamel, translate ? _(pSufix->PLName) : pSufix->PLName);
	}

	return std::string(baseNamel);
}

void GetItemPowerPrefixAndSuffix(int minlvl, int maxlvl, AffixItemType flgs, bool onlygood, bool hellfireItem, tl::function_ref<void(const PLStruct &prefix)> prefixFound, tl::function_ref<void(const PLStruct &suffix)> suffixFound)
{
	int preidx = -1;
	int sufidx = -1;

	int l[256];
	goodorevil goe;

	bool allocatePrefix = FlipCoin(4);
	bool allocateSuffix = !FlipCoin(3);
	if (!allocatePrefix && !allocateSuffix) {
		// At least try and give each item a prefix or suffix
		if (FlipCoin())
			allocatePrefix = true;
		else
			allocateSuffix = true;
	}
	goe = GOE_ANY;
	if (!onlygood && !FlipCoin(3))
		onlygood = true;
	if (allocatePrefix) {
		int nt = 0;
		for (int j = 0, n = static_cast<int>(ItemPrefixes.size()); j < n; ++j) {
			if (!IsPrefixValidForItemType(j, flgs, hellfireItem))
				continue;
			if (ItemPrefixes[j].PLMinLvl < minlvl || ItemPrefixes[j].PLMinLvl > maxlvl)
				continue;
			if (onlygood && !ItemPrefixes[j].PLOk)
				continue;
			if (HasAnyOf(flgs, AffixItemType::Staff) && ItemPrefixes[j].power.type == IPL_CHARGES)
				continue;
			l[nt] = j;
			nt++;
			if (ItemPrefixes[j].PLDouble) {
				l[nt] = j;
				nt++;
			}
		}
		if (nt != 0) {
			preidx = l[GenerateRnd(nt)];
			goe = ItemPrefixes[preidx].PLGOE;
			prefixFound(ItemPrefixes[preidx]);
		}
	}
	if (allocateSuffix) {
		int nl = 0;
		for (int j = 0, n = static_cast<int>(ItemSuffixes.size()); j < n; ++j) {
			if (IsSuffixValidForItemType(j, flgs, hellfireItem)
			    && ItemSuffixes[j].PLMinLvl >= minlvl && ItemSuffixes[j].PLMinLvl <= maxlvl
			    && !((goe == GOE_GOOD && ItemSuffixes[j].PLGOE == GOE_EVIL) || (goe == GOE_EVIL && ItemSuffixes[j].PLGOE == GOE_GOOD))
			    && (!onlygood || ItemSuffixes[j].PLOk)) {
				l[nl] = j;
				nl++;
			}
		}
		if (nl != 0) {
			sufidx = l[GenerateRnd(nl)];
			suffixFound(ItemSuffixes[sufidx]);
		}
	}
}

void GetItemPower(const Player &player, Item &item, int minlvl, int maxlvl, AffixItemType flgs, bool onlygood)
{
	const PLStruct *pPrefix = nullptr;
	const PLStruct *pSufix = nullptr;
	GetItemPowerPrefixAndSuffix(
	    minlvl, maxlvl, flgs, onlygood, gbIsHellfire,
	    [&item, &player, &pPrefix](const PLStruct &prefix) {
		    item._iMagical = ITEM_QUALITY_MAGIC;
		    SaveItemAffix(player, item, prefix);
		    item._iPrePower = prefix.power.type;
		    pPrefix = &prefix;
	    },
	    [&item, &player, &pSufix](const PLStruct &suffix) {
		    item._iMagical = ITEM_QUALITY_MAGIC;
		    SaveItemAffix(player, item, suffix);
		    item._iSufPower = suffix.power.type;
		    pSufix = &suffix;
	    });

	CopyUtf8(item._iIName, GenerateMagicItemName(item._iName, pPrefix, pSufix, false), sizeof(item._iIName));
	if (!StringInPanel(item._iIName)) {
		CopyUtf8(item._iIName, GenerateMagicItemName(AllItemsList[item.IDidx].iSName, pPrefix, pSufix, false), sizeof(item._iIName));
	}
	if (pPrefix != nullptr || pSufix != nullptr)
		CalcItemValue(item);
}

void GetStaffSpell(const Player &player, Item &item, int lvl, bool onlygood)
{
	if (!gbIsHellfire && FlipCoin(4)) {
		GetItemPower(player, item, lvl / 2, lvl, AffixItemType::Staff, onlygood);
		return;
	}

	int maxSpells = gbIsHellfire ? MAX_SPELLS : 37;
	int l = lvl / 2;
	if (l == 0)
		l = 1;
	int rv = GenerateRnd(maxSpells) + 1;

	if (gbIsSpawn && lvl > 10)
		lvl = 10;

	int s = static_cast<int8_t>(SpellID::Firebolt);
	SpellID bs = SpellID::Null;
	while (rv > 0) {
		int sLevel = GetSpellStaffLevel(static_cast<SpellID>(s));
		if (sLevel != -1 && l >= sLevel) {
			rv--;
			bs = static_cast<SpellID>(s);
		}
		s++;
		if (!gbIsMultiplayer && s == static_cast<int8_t>(SpellID::Resurrect))
			s = static_cast<int8_t>(SpellID::Telekinesis);
		if (!gbIsMultiplayer && s == static_cast<int8_t>(SpellID::HealOther))
			s = static_cast<int8_t>(SpellID::BloodStar);
		if (s == maxSpells)
			s = static_cast<int8_t>(SpellID::Firebolt);
	}

	int minc = GetSpellData(bs).sStaffMin;
	int maxc = GetSpellData(bs).sStaffMax - minc + 1;
	item._iSpell = bs;
	item._iCharges = minc + GenerateRnd(maxc);
	item._iMaxCharges = item._iCharges;

	item._iMinMag = GetSpellData(bs).minInt;
	int v = item._iCharges * GetSpellData(bs).staffCost() / 5;
	item._ivalue += v;
	item._iIvalue += v;
	GetStaffPower(player, item, lvl, bs, onlygood);
}

void GetOilType(Item &item, int maxLvl)
{
	int cnt = 2;
	int8_t rnd[32] = { 5, 6 };

	if (!gbIsMultiplayer) {
		if (maxLvl == 0)
			maxLvl = 1;

		cnt = 0;
		for (size_t j = 0; j < sizeof(OilLevels) / sizeof(OilLevels[0]); j++) {
			if (OilLevels[j] <= maxLvl) {
				rnd[cnt] = static_cast<int8_t>(j);
				cnt++;
			}
		}
	}

	int8_t t = rnd[GenerateRnd(cnt)];

	CopyUtf8(item._iName, OilNames[t], sizeof(item._iName));
	CopyUtf8(item._iIName, OilNames[t], sizeof(item._iIName));
	item._iMiscId = OilMagic[t];
	item._ivalue = OilValues[t];
	item._iIvalue = OilValues[t];
}

void GetItemBonus(const Player &player, Item &item, int minlvl, int maxlvl, bool onlygood, bool allowspells)
{
	if (minlvl > 25)
		minlvl = 25;

	switch (item._itype) {
	case ItemType::Sword:
	case ItemType::Axe:
	case ItemType::Mace:
		GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Weapon, onlygood);
		break;
	case ItemType::Bow:
		GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Bow, onlygood);
		break;
	case ItemType::Shield:
		GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Shield, onlygood);
		break;
	case ItemType::LightArmor:
	case ItemType::Helm:
	case ItemType::MediumArmor:
	case ItemType::HeavyArmor:
		GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Armor, onlygood);
		break;
	case ItemType::Staff:
		if (allowspells)
			GetStaffSpell(player, item, maxlvl, onlygood);
		else
			GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Staff, onlygood);
		break;
	case ItemType::Ring:
	case ItemType::Amulet:
		GetItemPower(player, item, minlvl, maxlvl, AffixItemType::Misc, onlygood);
		break;
	case ItemType::None:
	case ItemType::Misc:
	case ItemType::Gold:
		break;
	}
}

_item_indexes GetItemIndexForDroppableItem(bool considerDropRate, tl::function_ref<bool(const ItemData &item)> isItemOkay)
{
	static std::array<_item_indexes, IDI_LAST * 2> ril;

	size_t ri = 0;
	for (std::underlying_type_t<_item_indexes> i = IDI_GOLD; i <= IDI_LAST; i++) {
		if (!IsItemAvailable(i))
			continue;
		const ItemData &item = AllItemsList[i];
		if (item.iRnd == IDROP_NEVER)
			continue;
		if (IsAnyOf(item.iSpell, SpellID::Resurrect, SpellID::HealOther) && !gbIsMultiplayer)
			continue;
		if (!isItemOkay(item))
			continue;
		ril[ri] = static_cast<_item_indexes>(i);
		ri++;
		if (item.iRnd == IDROP_DOUBLE && considerDropRate) {
			ril[ri] = static_cast<_item_indexes>(i);
			ri++;
		}
	}

	return ril[GenerateRnd(static_cast<int>(ri))];
}

_item_indexes RndUItem(Monster *monster)
{
	int itemMaxLevel = ItemsGetCurrlevel() * 2;
	if (monster != nullptr)
		itemMaxLevel = monster->level(sgGameInitInfo.nDifficulty);
	return GetItemIndexForDroppableItem(false, [&itemMaxLevel](const ItemData &item) {
		if (item.itype == ItemType::Misc && item.iMiscId == IMISC_BOOK)
			return true;
		if (itemMaxLevel < item.iMinMLvl)
			return false;
		if (IsAnyOf(item.itype, ItemType::Gold, ItemType::Misc))
			return false;
		return true;
	});
}

_item_indexes RndAllItems()
{
	if (GenerateRnd(100) > 25)
		return IDI_GOLD;

	int itemMaxLevel = ItemsGetCurrlevel() * 2;
	return GetItemIndexForDroppableItem(false, [&itemMaxLevel](const ItemData &item) {
		if (itemMaxLevel < item.iMinMLvl)
			return false;
		return true;
	});
}

_item_indexes RndTypeItems(ItemType itemType, int imid, int lvl)
{
	int itemMaxLevel = lvl * 2;
	return GetItemIndexForDroppableItem(false, [&itemMaxLevel, &itemType, &imid](const ItemData &item) {
		if (itemMaxLevel < item.iMinMLvl)
			return false;
		if (item.itype != itemType)
			return false;
		if (imid != -1 && item.iMiscId != imid)
			return false;
		return true;
	});
}

std::vector<uint8_t> GetValidUniques(int lvl, unique_base_item baseItemId)
{
	std::vector<uint8_t> validUniques;
	for (int j = 0; j < static_cast<int>(UniqueItems.size()); ++j) {
		if (!IsUniqueAvailable(j))
			break;
		if (UniqueItems[j].UIItemId == baseItemId && lvl >= UniqueItems[j].UIMinLvl) {
			validUniques.push_back(j);
		}
	}
	return validUniques;
}

_unique_items CheckUnique(Item &item, int lvl, int uper, int uidOffset = 0)
{
	if (GenerateRnd(100) > uper)
		return UITEM_INVALID;

	auto validUniques = GetValidUniques(lvl, AllItemsList[item.IDidx].iItemId);

	if (validUniques.empty())
		return UITEM_INVALID;

	DiscardRandomValues(1);

	// Check if uidOffset is out of bounds
	if (static_cast<size_t>(uidOffset) >= validUniques.size()) {
		return UITEM_INVALID;
	}

	const uint8_t selectedUniqueIndex = validUniques[validUniques.size() - 1 - uidOffset];

	return static_cast<_unique_items>(selectedUniqueIndex);
}

void GetUniqueItem(const Player &player, Item &item, _unique_items uid)
{
	const auto &uniqueItemData = UniqueItems[uid];

	for (auto power : uniqueItemData.powers) {
		if (power.type == IPL_INVALID)
			break;
		SaveItemPower(player, item, power);
	}

	CopyUtf8(item._iIName, uniqueItemData.UIName, sizeof(item._iIName));
	if (uniqueItemData.UICurs != ICURS_DEFAULT)
		item._iCurs = uniqueItemData.UICurs;
	item._iIvalue = uniqueItemData.UIValue;

	if (item._iMiscId == IMISC_UNIQUE)
		item._iSeed = uid;

	item._iUid = uid;
	item._iMagical = ITEM_QUALITY_UNIQUE;
	item._iCreateInfo |= CF_UNIQUE;
}

void ItemRndDur(Item &item)
{
	if (item._iDurability > 0 && item._iDurability != DUR_INDESTRUCTIBLE)
		item._iDurability = GenerateRnd(item._iMaxDur / 2) + (item._iMaxDur / 4) + 1;
}

int GetItemBLevel(int lvl, item_misc_id miscId, bool onlygood, bool uper15)
{
	int iblvl = -1;
	if (GenerateRnd(100) <= 10
	    || GenerateRnd(100) <= lvl
	    || onlygood
	    || IsAnyOf(miscId, IMISC_STAFF, IMISC_RING, IMISC_AMULET)) {
		iblvl = lvl;
	}
	if (uper15)
		iblvl = lvl + 4;
	return iblvl;
}

void SetupBaseItem(Point position, _item_indexes idx, bool onlygood, bool sendmsg, bool delta, bool spawn = false)
{
	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];
	GetSuperItemSpace(position, ii);
	int curlv = ItemsGetCurrlevel();

	SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), 2 * curlv, 1, onlygood, delta);
	TryRandomUniqueItem(item, idx, 2 * curlv, 1, onlygood, delta);
	SetupItem(item);

	if (sendmsg)
		NetSendCmdPItem(false, CMD_DROPITEM, item.position, item);
	if (delta)
		DeltaAddItem(ii);
	if (spawn)
		NetSendCmdPItem(false, CMD_SPAWNITEM, item.position, item);
}

void SetupAllUseful(Item &item, int iseed, int lvl)
{
	item._iSeed = iseed;
	SetRndSeed(iseed);

	_item_indexes idx;

	if (gbIsHellfire) {
		switch (GenerateRnd(7)) {
		case 0:
			idx = IDI_PORTAL;
			if (lvl <= 1)
				idx = IDI_HEAL;
			break;
		case 1:
		case 2:
			idx = IDI_HEAL;
			break;
		case 3:
			idx = IDI_PORTAL;
			if (lvl <= 1)
				idx = IDI_MANA;
			break;
		case 4:
		case 5:
			idx = IDI_MANA;
			break;
		default:
			idx = IDI_OIL;
			break;
		}
	} else {
		idx = PickRandomlyAmong({ IDI_MANA, IDI_HEAL });

		if (lvl > 1 && FlipCoin(3))
			idx = IDI_PORTAL;
	}

	GetItemAttrs(item, idx, lvl);
	item._iCreateInfo = lvl | CF_USEFUL;
	SetupItem(item);
}

uint8_t Char2int(uint8_t input)
{
	if (input >= '0' && input <= '9')
		return input - '0';
	if (input >= 'A' && input <= 'F')
		return input - 'A' + 10;
	return 0;
}

void Hex2bin(const char *src, int bytes, uint8_t *target)
{
	for (int i = 0; i < bytes; i++, src += 2) {
		target[i] = (Char2int(src[0]) << 4) | Char2int(src[1]);
	}
}

void SpawnRock()
{
	if (ActiveItemCount >= MAXITEMS)
		return;

	const Object *stand = nullptr;
	for (int i = 0; i < ActiveObjectCount; i++) {
		const Object &object = Objects[ActiveObjects[i]];
		if (object._otype == OBJ_STAND) {
			stand = &object;
			break;
		}
	}

	if (stand == nullptr)
		return;

	int ii = AllocateItem();
	Item &item = Items[ii];

	item.position = stand->position;
	dItem[item.position.x][item.position.y] = ii + 1;
	int curlv = ItemsGetCurrlevel();
	GetItemAttrs(item, IDI_ROCK, curlv);
	SetupItem(item);
	item.selectionRegion = SelectionRegion::Middle;
	item._iPostDraw = true;
	item.AnimInfo.currentFrame = 10;
	item._iAnimFlag = true;
	item._iCreateInfo |= CF_PREGEN;

	DeltaAddItem(ii);
}

void ItemDoppel()
{
	if (!gbIsMultiplayer)
		return;

	static int idoppely = 16;

	for (int idoppelx = 16; idoppelx < 96; idoppelx++) {
		if (dItem[idoppelx][idoppely] != 0) {
			Item *i = &Items[dItem[idoppelx][idoppely] - 1];
			if (i->position.x != idoppelx || i->position.y != idoppely)
				dItem[idoppelx][idoppely] = 0;
		}
	}

	idoppely++;
	if (idoppely == 96)
		idoppely = 16;
}

void PrintItemOil(char iDidx)
{
	switch (iDidx) {
	case IMISC_OILACC:
		AddPanelString(_("increases a weapon's"));
		AddPanelString(_("chance to hit"));
		break;
	case IMISC_OILMAST:
		AddPanelString(_("greatly increases a"));
		AddPanelString(_("weapon's chance to hit"));
		break;
	case IMISC_OILSHARP:
		AddPanelString(_("increases a weapon's"));
		AddPanelString(_("damage potential"));
		break;
	case IMISC_OILDEATH:
		AddPanelString(_("greatly increases a weapon's"));
		AddPanelString(_("damage potential - not bows"));
		break;
	case IMISC_OILSKILL:
		AddPanelString(_("reduces attributes needed"));
		AddPanelString(_("to use armor or weapons"));
		break;
	case IMISC_OILBSMTH:
		AddPanelString(/*xgettext:no-c-format*/ _("restores 20% of an"));
		AddPanelString(_("item's durability"));
		break;
	case IMISC_OILFORT:
		AddPanelString(_("increases an item's"));
		AddPanelString(_("current and max durability"));
		break;
	case IMISC_OILPERM:
		AddPanelString(_("makes an item indestructible"));
		break;
	case IMISC_OILHARD:
		AddPanelString(_("increases the armor class"));
		AddPanelString(_("of armor and shields"));
		break;
	case IMISC_OILIMP:
		AddPanelString(_("greatly increases the armor"));
		AddPanelString(_("class of armor and shields"));
		break;
	case IMISC_RUNEF:
		AddPanelString(_("sets fire trap"));
		break;
	case IMISC_RUNEL:
	case IMISC_GR_RUNEL:
		AddPanelString(_("sets lightning trap"));
		break;
	case IMISC_GR_RUNEF:
		AddPanelString(_("sets fire trap"));
		break;
	case IMISC_RUNES:
		AddPanelString(_("sets petrification trap"));
		break;
	case IMISC_FULLHEAL:
		AddPanelString(_("restore all life"));
		break;
	case IMISC_HEAL:
		AddPanelString(_("restore some life"));
		break;
	case IMISC_MANA:
		AddPanelString(_("restore some mana"));
		break;
	case IMISC_FULLMANA:
		AddPanelString(_("restore all mana"));
		break;
	case IMISC_ELIXSTR:
		AddPanelString(_("increase strength"));
		break;
	case IMISC_ELIXMAG:
		AddPanelString(_("increase magic"));
		break;
	case IMISC_ELIXDEX:
		AddPanelString(_("increase dexterity"));
		break;
	case IMISC_ELIXVIT:
		AddPanelString(_("increase vitality"));
		break;
	case IMISC_REJUV:
		AddPanelString(_("restore some life and mana"));
		break;
	case IMISC_FULLREJUV:
		AddPanelString(_("restore all life and mana"));
		break;
	case IMISC_ARENAPOT:
		AddPanelString(_("restore all life and mana"));
		AddPanelString(_("(works only in arenas)"));
		break;
	}
}

Point DrawUniqueInfoWindow(const Surface &out)
{
	const bool isInStash = IsStashOpen && GetLeftPanel().contains(MousePosition);
	int panelX, panelY;
	if (isInStash) {
		ClxDraw(out, GetPanelPosition(UiPanels::Stash, { 24 + SidePanelSize.width, 327 }), (*pSTextBoxCels)[0]);
		panelX = GetLeftPanel().position.x + SidePanelSize.width + 27;
		panelY = GetLeftPanel().position.y + 28;
	} else {
		ClxDraw(out, GetPanelPosition(UiPanels::Inventory, { 24 - SidePanelSize.width, 327 }), (*pSTextBoxCels)[0]);
		panelX = GetRightPanel().position.x - SidePanelSize.width + 27;
		panelY = GetRightPanel().position.y + 28;
	}

	const Point rightInfoPos = GetRightPanel().position - Displacement { SidePanelSize.width, 0 };
	const Point leftInfoPos = GetLeftPanel().position + Displacement { SidePanelSize.width, 0 };

	const bool isInfoOverlapping = IsLeftPanelOpen() && IsRightPanelOpen() && GetLeftPanel().contains(rightInfoPos);
	int fadeLevel = isInfoOverlapping ? 3 : 1;

	for (int i = 0; i < fadeLevel; ++i) {
		DrawHalfTransparentRectTo(out, panelX, panelY, 265, 297);
	}

	return isInStash ? leftInfoPos : rightInfoPos;
}

void printItemMiscKBM(const Item &item, const bool isOil, const bool isCastOnTarget)
{
	if (item._iMiscId == IMISC_MAPOFDOOM) {
		AddPanelString(_("Right-click to view"));
	} else if (isOil) {
		PrintItemOil(item._iMiscId);
		AddPanelString(_("Right-click to use"));
	} else if (isCastOnTarget) {
		AddPanelString(_("Right-click to read, then\nleft-click to target"));
	} else if (IsAnyOf(item._iMiscId, IMISC_BOOK, IMISC_NOTE, IMISC_SCROLL, IMISC_SCROLLT)) {
		AddPanelString(_("Right-click to read"));
	}
}

void printItemMiscGenericGamepad(const Item &item, const bool isOil, bool isCastOnTarget)
{
	if (item._iMiscId == IMISC_MAPOFDOOM) {
		AddPanelString(_("Activate to view"));
	} else if (isOil) {
		PrintItemOil(item._iMiscId);
		if (!invflag) {
			AddPanelString(_("Open inventory to use"));
		} else {
			AddPanelString(_("Activate to use"));
		}
	} else if (isCastOnTarget) {
		AddPanelString(_("Select from spell book, then\ncast spell to read"));
	} else if (IsAnyOf(item._iMiscId, IMISC_BOOK, IMISC_NOTE, IMISC_SCROLL, IMISC_SCROLLT)) {
		AddPanelString(_("Activate to read"));
	}
}

void printItemMiscGamepad(const Item &item, bool isOil, bool isCastOnTarget)
{
	if (GamepadType == GamepadLayout::Generic) {
		printItemMiscGenericGamepad(item, isOil, isCastOnTarget);
		return;
	}
	const std::string_view activateButton = ToString(ControllerButton_BUTTON_Y);
	const std::string_view castButton = ToString(ControllerButton_BUTTON_X);

	if (item._iMiscId == IMISC_MAPOFDOOM) {
		AddPanelString(fmt::format(fmt::runtime(_("{} to view")), activateButton));
	} else if (isOil) {
		PrintItemOil(item._iMiscId);
		if (!invflag) {
			AddPanelString(_("Open inventory to use"));
		} else {
			AddPanelString(fmt::format(fmt::runtime(_("{} to use")), activateButton));
		}
	} else if (isCastOnTarget) {
		AddPanelString(fmt::format(fmt::runtime(_("Select from spell book,\nthen {} to read")), castButton));
	} else if (IsAnyOf(item._iMiscId, IMISC_BOOK, IMISC_NOTE, IMISC_SCROLL, IMISC_SCROLLT)) {
		AddPanelString(fmt::format(fmt::runtime(_("{} to read")), activateButton));
	}
}

void PrintItemMisc(const Item &item)
{
	if (item._iMiscId == IMISC_EAR) {
		AddPanelString(fmt::format(fmt::runtime(pgettext("player", "Level: {:d}")), item._ivalue));
		return;
	}
	if (item._iMiscId == IMISC_AURIC) {
		AddPanelString(_("Doubles gold capacity"));
		return;
	}
	const bool isOil = (item._iMiscId >= IMISC_USEFIRST && item._iMiscId <= IMISC_USELAST)
	    || (item._iMiscId > IMISC_OILFIRST && item._iMiscId < IMISC_OILLAST)
	    || (item._iMiscId > IMISC_RUNEFIRST && item._iMiscId < IMISC_RUNELAST)
	    || item._iMiscId == IMISC_ARENAPOT;
	const bool isCastOnTarget = (item._iMiscId == IMISC_SCROLLT && item._iSpell != SpellID::Flash)
	    || (item._iMiscId == IMISC_SCROLL && IsAnyOf(item._iSpell, SpellID::TownPortal, SpellID::Identify));

	switch (ControlMode) {
	case ControlTypes::None:
		break;
	case ControlTypes::KeyboardAndMouse:
		printItemMiscKBM(item, isOil, isCastOnTarget);
		break;
	case ControlTypes::VirtualGamepad:
		printItemMiscGenericGamepad(item, isOil, isCastOnTarget);
		break;
	case ControlTypes::Gamepad:
		printItemMiscGamepad(item, isOil, isCastOnTarget);
		break;
	}
}

void PrintItemInfo(const Item &item)
{
	PrintItemMisc(item);
	uint8_t str = item._iMinStr;
	uint8_t dex = item._iMinDex;
	uint8_t mag = item._iMinMag;
	if (str != 0 || mag != 0 || dex != 0) {
		std::string text = std::string(_("Required:"));
		if (str != 0)
			text.append(fmt::format(fmt::runtime(_(" {:d} Str")), str));
		if (mag != 0)
			text.append(fmt::format(fmt::runtime(_(" {:d} Mag")), mag));
		if (dex != 0)
			text.append(fmt::format(fmt::runtime(_(" {:d} Dex")), dex));
		AddPanelString(text);
	}
}

bool SmithItemOk(const Player &player, const ItemData &item)
{
	if (item.itype == ItemType::Misc)
		return false;
	if (item.itype == ItemType::Gold)
		return false;
	if (item.itype == ItemType::Staff && (!gbIsHellfire || IsValidSpell(item.iSpell)))
		return false;
	if (item.itype == ItemType::Ring)
		return false;
	if (item.itype == ItemType::Amulet)
		return false;

	return true;
}

template <bool (*Ok)(const Player &, const ItemData &), bool ConsiderDropRate = false>
_item_indexes RndVendorItem(const Player &player, int minlvl, int maxlvl)
{
	return GetItemIndexForDroppableItem(ConsiderDropRate, [&player, &minlvl, &maxlvl](const ItemData &item) {
		if (!Ok(player, item))
			return false;
		if (item.iMinMLvl < minlvl || item.iMinMLvl > maxlvl)
			return false;
		return true;
	});
}

_item_indexes RndSmithItem(const Player &player, int lvl)
{
	return RndVendorItem<SmithItemOk, true>(player, 0, lvl);
}

void SortVendor(Item *itemList)
{
	int count = 1;
	while (!itemList[count].isEmpty())
		count++;

	auto cmp = [](const Item &a, const Item &b) {
		return a.IDidx < b.IDidx;
	};

	std::sort(itemList, itemList + count, cmp);
}

bool PremiumItemOk(const Player &player, const ItemData &item)
{
	if (item.itype == ItemType::Misc)
		return false;
	if (item.itype == ItemType::Gold)
		return false;
	if (!gbIsHellfire && item.itype == ItemType::Staff)
		return false;

	if (gbIsMultiplayer) {
		if (item.iMiscId == IMISC_OILOF)
			return false;
		if (item.itype == ItemType::Ring)
			return false;
		if (item.itype == ItemType::Amulet)
			return false;
	}

	return true;
}

_item_indexes RndPremiumItem(const Player &player, int minlvl, int maxlvl)
{
	return RndVendorItem<PremiumItemOk>(player, minlvl, maxlvl);
}

void SpawnOnePremium(Item &premiumItem, int plvl, const Player &player)
{
	int strength = std::max(player.GetMaximumAttributeValue(CharacterAttribute::Strength), player._pStrength);
	int dexterity = std::max(player.GetMaximumAttributeValue(CharacterAttribute::Dexterity), player._pDexterity);
	int magic = std::max(player.GetMaximumAttributeValue(CharacterAttribute::Magic), player._pMagic);
	strength += strength / 5;
	dexterity += dexterity / 5;
	magic += magic / 5;

	plvl = std::clamp(plvl, 1, 30);

	int maxCount = 150;
	const bool unlimited = !gbIsHellfire; // TODO: This could lead to an infinite loop if a suitable item can never be generated
	for (int count = 0; unlimited || count < maxCount; count++) {
		premiumItem = {};
		premiumItem._iSeed = AdvanceRndSeed();
		SetRndSeed(premiumItem._iSeed);
		_item_indexes itemType = RndPremiumItem(player, plvl / 4, plvl);
		GetItemAttrs(premiumItem, itemType, plvl);
		GetItemBonus(player, premiumItem, plvl / 2, plvl, true, !gbIsHellfire);

		if (!gbIsHellfire) {
			if (premiumItem._iIvalue <= 140000) {
				break;
			}
		} else {
			int itemValue = 0;
			switch (premiumItem._itype) {
			case ItemType::LightArmor:
			case ItemType::MediumArmor:
			case ItemType::HeavyArmor: {
				const auto *const mostValuablePlayerArmor = player.GetMostValuableItem(
				    [](const Item &item) {
					    return IsAnyOf(item._itype, ItemType::LightArmor, ItemType::MediumArmor, ItemType::HeavyArmor);
				    });

				itemValue = mostValuablePlayerArmor == nullptr ? 0 : mostValuablePlayerArmor->_iIvalue;
				break;
			}
			case ItemType::Shield:
			case ItemType::Axe:
			case ItemType::Bow:
			case ItemType::Mace:
			case ItemType::Sword:
			case ItemType::Helm:
			case ItemType::Staff:
			case ItemType::Ring:
			case ItemType::Amulet: {
				const auto *const mostValuablePlayerItem = player.GetMostValuableItem(
				    [filterType = premiumItem._itype](const Item &item) { return item._itype == filterType; });

				itemValue = mostValuablePlayerItem == nullptr ? 0 : mostValuablePlayerItem->_iIvalue;
				break;
			}
			default:
				itemValue = 0;
				break;
			}
			itemValue = itemValue * 4 / 5; // avoids forced int > float > int conversion
			if (premiumItem._iIvalue <= 200000
			    && premiumItem._iMinStr <= strength
			    && premiumItem._iMinMag <= magic
			    && premiumItem._iMinDex <= dexterity
			    && premiumItem._iIvalue >= itemValue) {
				break;
			}
		}
	}
	premiumItem._iCreateInfo = plvl | CF_SMITHPREMIUM;
	premiumItem._iIdentified = true;
	premiumItem._iStatFlag = player.CanUseItem(premiumItem);
}

bool WitchItemOk(const Player &player, const ItemData &item)
{
	if (IsNoneOf(item.itype, ItemType::Misc, ItemType::Staff))
		return false;
	if (item.iMiscId == IMISC_MANA)
		return false;
	if (item.iMiscId == IMISC_FULLMANA)
		return false;
	if (item.iSpell == SpellID::TownPortal)
		return false;
	if (item.iMiscId == IMISC_FULLHEAL)
		return false;
	if (item.iMiscId == IMISC_HEAL)
		return false;
	if (item.iMiscId > IMISC_OILFIRST && item.iMiscId < IMISC_OILLAST)
		return false;
	if (item.iSpell == SpellID::Resurrect && !gbIsMultiplayer)
		return false;
	if (item.iSpell == SpellID::HealOther && !gbIsMultiplayer)
		return false;

	return true;
}

_item_indexes RndWitchItem(const Player &player, int lvl)
{
	return RndVendorItem<WitchItemOk>(player, 0, lvl);
}

_item_indexes RndBoyItem(const Player &player, int lvl)
{
	return RndVendorItem<PremiumItemOk>(player, 0, lvl);
}

bool HealerItemOk(const Player &player, const ItemData &item)
{
	if (item.itype != ItemType::Misc)
		return false;

	if (item.iMiscId == IMISC_SCROLL)
		return item.iSpell == SpellID::Healing;
	if (item.iMiscId == IMISC_SCROLLT)
		return item.iSpell == SpellID::HealOther && gbIsMultiplayer;

	if (!gbIsMultiplayer) {
		if (item.iMiscId == IMISC_ELIXSTR)
			return !gbIsHellfire || player._pBaseStr < player.GetMaximumAttributeValue(CharacterAttribute::Strength);
		if (item.iMiscId == IMISC_ELIXMAG)
			return !gbIsHellfire || player._pBaseMag < player.GetMaximumAttributeValue(CharacterAttribute::Magic);
		if (item.iMiscId == IMISC_ELIXDEX)
			return !gbIsHellfire || player._pBaseDex < player.GetMaximumAttributeValue(CharacterAttribute::Dexterity);
		if (item.iMiscId == IMISC_ELIXVIT)
			return !gbIsHellfire || player._pBaseVit < player.GetMaximumAttributeValue(CharacterAttribute::Vitality);
	}

	if (item.iMiscId == IMISC_REJUV)
		return true;
	if (item.iMiscId == IMISC_FULLREJUV)
		return true;

	return false;
}

_item_indexes RndHealerItem(const Player &player, int lvl)
{
	return RndVendorItem<HealerItemOk>(player, 0, lvl);
}

void RecreateSmithItem(const Player &player, Item &item, int lvl, int iseed)
{
	SetRndSeed(iseed);
	_item_indexes itype = RndSmithItem(player, lvl);
	GetItemAttrs(item, itype, lvl);

	item._iSeed = iseed;
	item._iCreateInfo = lvl | CF_SMITH;
	item._iIdentified = true;
}

void RecreatePremiumItem(const Player &player, Item &item, int plvl, int iseed)
{
	SetRndSeed(iseed);
	_item_indexes itype = RndPremiumItem(player, plvl / 4, plvl);
	GetItemAttrs(item, itype, plvl);
	GetItemBonus(player, item, plvl / 2, plvl, true, !gbIsHellfire);

	item._iSeed = iseed;
	item._iCreateInfo = plvl | CF_SMITHPREMIUM;
	item._iIdentified = true;
}

void RecreateBoyItem(const Player &player, Item &item, int lvl, int iseed)
{
	SetRndSeed(iseed);
	_item_indexes itype = RndBoyItem(player, lvl);
	GetItemAttrs(item, itype, lvl);
	GetItemBonus(player, item, lvl, 2 * lvl, true, true);

	item._iSeed = iseed;
	item._iCreateInfo = lvl | CF_BOY;
	item._iIdentified = true;
}

void RecreateWitchItem(const Player &player, Item &item, _item_indexes idx, int lvl, int iseed)
{
	if (IsAnyOf(idx, IDI_MANA, IDI_FULLMANA, IDI_PORTAL)) {
		GetItemAttrs(item, idx, lvl);
	} else if (gbIsHellfire && idx >= 114 && idx <= 117) {
		SetRndSeed(iseed);
		DiscardRandomValues(1);
		GetItemAttrs(item, idx, lvl);
	} else {
		SetRndSeed(iseed);
		_item_indexes itype = RndWitchItem(player, lvl);
		GetItemAttrs(item, itype, lvl);
		int iblvl = -1;
		if (GenerateRnd(100) <= 5)
			iblvl = 2 * lvl;
		if (iblvl == -1 && item._iMiscId == IMISC_STAFF)
			iblvl = 2 * lvl;
		if (iblvl != -1)
			GetItemBonus(player, item, iblvl / 2, iblvl, true, true);
	}

	item._iSeed = iseed;
	item._iCreateInfo = lvl | CF_WITCH;
	item._iIdentified = true;
}

void RecreateHealerItem(const Player &player, Item &item, _item_indexes idx, int lvl, int iseed)
{
	if (IsAnyOf(idx, IDI_HEAL, IDI_FULLHEAL, IDI_RESURRECT)) {
		GetItemAttrs(item, idx, lvl);
	} else {
		SetRndSeed(iseed);
		_item_indexes itype = RndHealerItem(player, lvl);
		GetItemAttrs(item, itype, lvl);
	}

	item._iSeed = iseed;
	item._iCreateInfo = lvl | CF_HEALER;
	item._iIdentified = true;
}

void RecreateTownItem(const Player &player, Item &item, _item_indexes idx, uint16_t icreateinfo, int iseed)
{
	if ((icreateinfo & CF_SMITH) != 0)
		RecreateSmithItem(player, item, icreateinfo & CF_LEVEL, iseed);
	else if ((icreateinfo & CF_SMITHPREMIUM) != 0)
		RecreatePremiumItem(player, item, icreateinfo & CF_LEVEL, iseed);
	else if ((icreateinfo & CF_BOY) != 0)
		RecreateBoyItem(player, item, icreateinfo & CF_LEVEL, iseed);
	else if ((icreateinfo & CF_WITCH) != 0)
		RecreateWitchItem(player, item, idx, icreateinfo & CF_LEVEL, iseed);
	else if ((icreateinfo & CF_HEALER) != 0)
		RecreateHealerItem(player, item, idx, icreateinfo & CF_LEVEL, iseed);
}

void CreateMagicItem(Point position, int lvl, ItemType itemType, int imid, int icurs, bool sendmsg, bool delta, bool spawn = false)
{
	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];
	_item_indexes idx = RndTypeItems(itemType, imid, lvl);

	while (true) {
		item = {};
		SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), 2 * lvl, 1, true, delta);
		TryRandomUniqueItem(item, idx, 2 * lvl, 1, true, delta);
		SetupItem(item);
		if (item._iCurs == icurs)
			break;

		idx = RndTypeItems(itemType, imid, lvl);
	}
	GetSuperItemSpace(position, ii);

	if (sendmsg)
		NetSendCmdPItem(false, CMD_DROPITEM, item.position, item);
	if (delta)
		DeltaAddItem(ii);
	if (spawn)
		NetSendCmdPItem(false, CMD_SPAWNITEM, item.position, item);
}

void NextItemRecord(int i)
{
	gnNumGetRecords--;

	if (gnNumGetRecords == 0) {
		return;
	}

	itemrecord[i].dwTimestamp = itemrecord[gnNumGetRecords].dwTimestamp;
	itemrecord[i].nSeed = itemrecord[gnNumGetRecords].nSeed;
	itemrecord[i].wCI = itemrecord[gnNumGetRecords].wCI;
	itemrecord[i].nIndex = itemrecord[gnNumGetRecords].nIndex;
}

StringOrView GetTranslatedItemName(const Item &item)
{
	const auto &baseItemData = AllItemsList[static_cast<size_t>(item.IDidx)];

	if (item._iCreateInfo == 0) {
		return _(baseItemData.iName);
	} else if (item._iMiscId == IMISC_BOOK) {
		const std::string_view spellName = pgettext("spell", GetSpellData(item._iSpell).sNameText);
		return fmt::format(fmt::runtime(_(/* TRANSLATORS: {:s} will be a spell name */ "Book of {:s}")), spellName);
	} else if (item._iMiscId == IMISC_EAR) {
		return fmt::format(fmt::runtime(_(/* TRANSLATORS: {:s} will be a Character Name */ "Ear of {:s}")), item._iIName);
	} else if (item._iMiscId > IMISC_OILFIRST && item._iMiscId < IMISC_OILLAST) {
		for (size_t i = 0; i < 10; i++) {
			if (OilMagic[i] != item._iMiscId)
				continue;
			return _(OilNames[i]);
		}
		app_fatal("unknown oil");
	} else if (item._itype == ItemType::Staff && item._iSpell != SpellID::Null && item._iMagical != ITEM_QUALITY_UNIQUE) {
		return GenerateStaffName(baseItemData, item._iSpell, true);
	} else {
		return _(baseItemData.iName);
	}
}

std::string GetTranslatedItemNameMagical(const Item &item, bool hellfireItem, bool translate, std::optional<bool> forceNameLengthCheck)
{
	std::string identifiedName;
	const auto &baseItemData = AllItemsList[static_cast<size_t>(item.IDidx)];

	int lvl = item._iCreateInfo & CF_LEVEL;
	bool onlygood = (item._iCreateInfo & (CF_ONLYGOOD | CF_SMITHPREMIUM | CF_BOY | CF_WITCH)) != 0;

	uint32_t currentSeed = GetLCGEngineState();
	SetRndSeed(item._iSeed);

	int minlvl;
	int maxlvl;
	if ((item._iCreateInfo & CF_SMITHPREMIUM) != 0) {
		DiscardRandomValues(2); // RndVendorItem and GetItemAttrs
		minlvl = lvl / 2;
		maxlvl = lvl;
	} else if ((item._iCreateInfo & CF_BOY) != 0) {
		DiscardRandomValues(2); // RndVendorItem and GetItemAttrs
		minlvl = lvl;
		maxlvl = lvl * 2;
	} else if ((item._iCreateInfo & CF_WITCH) != 0) {
		DiscardRandomValues(2); // RndVendorItem and GetItemAttrs
		int iblvl = -1;
		if (GenerateRnd(100) <= 5)
			iblvl = 2 * lvl;
		if (iblvl == -1 && item._iMiscId == IMISC_STAFF)
			iblvl = 2 * lvl;
		minlvl = iblvl / 2;
		maxlvl = iblvl;
	} else {
		DiscardRandomValues(1); // GetItemAttrs
		int iblvl = GetItemBLevel(lvl, item._iMiscId, onlygood, item._iCreateInfo & CF_UPER15);
		minlvl = iblvl / 2;
		maxlvl = iblvl;
		DiscardRandomValues(1); // CheckUnique
	}

	if (minlvl > 25)
		minlvl = 25;

	AffixItemType affixItemType = AffixItemType::None;

	switch (item._itype) {
	case ItemType::Sword:
	case ItemType::Axe:
	case ItemType::Mace:
		affixItemType = AffixItemType::Weapon;
		break;
	case ItemType::Bow:
		affixItemType = AffixItemType::Bow;
		break;
	case ItemType::Shield:
		affixItemType = AffixItemType::Shield;
		break;
	case ItemType::LightArmor:
	case ItemType::Helm:
	case ItemType::MediumArmor:
	case ItemType::HeavyArmor:
		affixItemType = AffixItemType::Armor;
		break;
	case ItemType::Staff: {
		bool allowspells = !hellfireItem || ((item._iCreateInfo & CF_SMITHPREMIUM) == 0);

		if (!allowspells)
			affixItemType = AffixItemType::Staff;
		else if (!hellfireItem && FlipCoin(4)) {
			affixItemType = AffixItemType::Staff;
			minlvl = maxlvl / 2;
		} else {
			DiscardRandomValues(2); // Spell and Charges

			int preidx = GetStaffPrefixId(maxlvl, onlygood, hellfireItem);
			if (preidx == -1 || item._iSpell == SpellID::Null) {
				if (forceNameLengthCheck) {
					// We generate names to check if it's a diablo or hellfire item. This checks fails => invalid item => don't generate a item name
					identifiedName.clear();
				} else {
					// This can happen, if the item is hacked or a bug in the logic exists
					LogWarn("GetTranslatedItemNameMagical failed for item '{}' with preidx '{}' and spellid '{}'", item._iIName, preidx, static_cast<std::underlying_type_t<SpellID>>(item._iSpell));
					identifiedName = item._iIName;
				}
			} else {
				identifiedName = GenerateStaffNameMagical(baseItemData, item._iSpell, preidx, translate, forceNameLengthCheck);
			}
		}
		break;
	}
	case ItemType::Ring:
	case ItemType::Amulet:
		affixItemType = AffixItemType::Misc;
		break;
	case ItemType::None:
	case ItemType::Misc:
	case ItemType::Gold:
		break;
	}

	if (affixItemType != AffixItemType::None) {
		const PLStruct *pPrefix = nullptr;
		const PLStruct *pSufix = nullptr;
		GetItemPowerPrefixAndSuffix(
		    minlvl, maxlvl, affixItemType, onlygood, hellfireItem,
		    [&pPrefix](const PLStruct &prefix) {
			    pPrefix = &prefix;
			    // GenerateRnd(prefix.power.param2 - prefix.power.param2 + 1)
			    DiscardRandomValues(1);
			    switch (pPrefix->power.type) {
			    case IPL_DOPPELGANGER:
			    case IPL_TOHIT_DAMP:
				    DiscardRandomValues(2);
				    break;
			    case IPL_TOHIT_DAMP_CURSE:
				    DiscardRandomValues(1);
				    break;
			    default:
				    break;
			    }
		    },
		    [&pSufix](const PLStruct &suffix) {
			    pSufix = &suffix;
		    });

		identifiedName = GenerateMagicItemName(_(baseItemData.iName), pPrefix, pSufix, translate);
		if (forceNameLengthCheck ? *forceNameLengthCheck : !StringInPanel(identifiedName.c_str())) {
			identifiedName = GenerateMagicItemName(_(baseItemData.iSName), pPrefix, pSufix, translate);
		}
	}

	SetRndSeed(currentSeed);
	return identifiedName;
}

} // namespace

bool IsItemAvailable(int i)
{
	if (i < 0 || i > IDI_LAST)
		return false;

	if (gbIsSpawn) {
		if (i >= 62 && i <= 70)
			return false; // Medium and heavy armors
		if (IsAnyOf(i, 105, 107, 108, 110, 111, 113))
			return false; // Unavailable scrolls
	}

	if (gbIsHellfire)
		return true;

	return (
	           i != IDI_MAPOFDOOM                   // Cathedral Map
	           && i != IDI_LGTFORGE                 // Bovine Plate
	           && (i < IDI_OIL || i > IDI_GREYSUIT) // Hellfire exclusive items
	           && (i < 83 || i > 86)                // Oils
	           && i != 92                           // Scroll of Search
	           && (i < 161 || i > 165)              // Runes
	           && i != IDI_SORCERER                 // Short Staff of Mana
	           )
	    || (
	        // Bard items are technically Hellfire-exclusive
	        // but are just normal items with adjusted stats.
	        *sgOptions.Gameplay.testBard && IsAnyOf(i, IDI_BARDSWORD, IDI_BARDDAGGER));
}

uint8_t GetOutlineColor(const Item &item, bool checkReq)
{
	if (checkReq && !item._iStatFlag)
		return ICOL_RED;
	if (item._itype == ItemType::Gold)
		return ICOL_YELLOW;
	if (item._iMagical == ITEM_QUALITY_MAGIC)
		return ICOL_BLUE;
	if (item._iMagical == ITEM_QUALITY_UNIQUE)
		return ICOL_YELLOW;

	return ICOL_WHITE;
}

bool IsUniqueAvailable(int i)
{
	return gbIsHellfire || i <= 89;
}

void InitItemGFX()
{
	char arglist[64];

	int itemTypes = gbIsHellfire ? ITEMTYPES : 35;
	for (int i = 0; i < itemTypes; i++) {
		*BufCopy(arglist, "items\\", ItemDropNames[i]) = '\0';
		itemanims[i] = LoadCel(arglist, ItemAnimWidth);
	}
	memset(UniqueItemFlags, 0, sizeof(UniqueItemFlags));
}

void InitItems()
{
	ActiveItemCount = 0;
	memset(dItem, 0, sizeof(dItem));

	for (auto &item : Items) {
		item.clear();
		item.position = { 0, 0 };
		item._iAnimFlag = false;
		item.selectionRegion = SelectionRegion::None;
		item._iIdentified = false;
		item._iPostDraw = false;
	}

	for (uint8_t i = 0; i < MAXITEMS; i++) {
		ActiveItems[i] = i;
	}

	if (!setlevel) {
		DiscardRandomValues(1);
		if (Quests[Q_ROCK].IsAvailable())
			SpawnRock();
		if (Quests[Q_ANVIL].IsAvailable())
			SpawnQuestItem(IDI_ANVIL, SetPiece.position.megaToWorld() + Displacement { 11, 11 }, 0, SelectionRegion::Bottom, false);
		if (sgGameInitInfo.bCowQuest != 0 && currlevel == 20)
			SpawnQuestItem(IDI_BROWNSUIT, { 25, 25 }, 3, SelectionRegion::Bottom, false);
		if (sgGameInitInfo.bCowQuest != 0 && currlevel == 19)
			SpawnQuestItem(IDI_GREYSUIT, { 25, 25 }, 3, SelectionRegion::Bottom, false);
		// In multiplayer items spawn during level generation to avoid desyncs
		if (gbIsMultiplayer) {
			if (Quests[Q_MUSHROOM].IsAvailable())
				SpawnQuestItem(IDI_FUNGALTM, { 0, 0 }, 5, SelectionRegion::Bottom, false);
			if (currlevel == Quests[Q_VEIL]._qlevel + 1 && Quests[Q_VEIL]._qactive != QUEST_NOTAVAIL)
				SpawnQuestItem(IDI_GLDNELIX, { 0, 0 }, 5, SelectionRegion::Bottom, false);
		}
		if (currlevel > 0 && currlevel < 16)
			AddInitItems();
		if (currlevel >= 21 && currlevel <= 23)
			SpawnNote();
	}

	ShowUniqueItemInfoBox = false;

	initItemGetRecords();
}

int GetBonusAC(const Item &item)
{
	if (item._iPLAC != 0) {
		int tempAc = item._iAC;
		tempAc *= item._iPLAC;
		tempAc /= 100;
		if (tempAc == 0)
			tempAc = math::Sign(item._iPLAC);
		return tempAc;
	}

	return 0;
}

void CalcPlrDamage(Player &player, int minDamage, int maxDamage)
{
	const uint8_t playerLevel = player.getCharacterLevel();

	if (minDamage == 0 && maxDamage == 0) {
		minDamage = 1;
		maxDamage = 1;

		if (player.isHoldingItem(ItemType::Shield)) {
			maxDamage = 3;
		}

		if (player._pClass == HeroClass::Monk) {
			minDamage = std::max(minDamage, playerLevel / 2);
			maxDamage = std::max<int>(maxDamage, playerLevel);
		}
	}

	player._pIMinDam = minDamage;
	player._pIMaxDam = maxDamage;
}

void CalcPlrPrimaryStats(Player &player, int strength, int &magic, int dexterity, int &vitality)
{
	const uint8_t playerLevel = player.getCharacterLevel();

	if (HasAnyOf(player._pSpellFlags, SpellFlag::RageActive)) {
		strength += 2 * playerLevel;
		dexterity += playerLevel + playerLevel / 2;
		vitality += 2 * playerLevel;
	}
	if (HasAnyOf(player._pSpellFlags, SpellFlag::RageCooldown)) {
		strength -= 2 * playerLevel;
		dexterity -= playerLevel + playerLevel / 2;
		vitality -= 2 * playerLevel;
	}

	player._pStrength = std::max(0, strength + player._pBaseStr);
	player._pMagic = std::max(0, magic + player._pBaseMag);
	player._pDexterity = std::max(0, dexterity + player._pBaseDex);
	player._pVitality = std::max(0, vitality + player._pBaseVit);
}

void CalcPlrLightRadius(Player &player, int lrad)

{
	lrad = std::clamp(lrad, 2, 15);

	if (player._pLightRad != lrad) {
		ChangeLightRadius(player.lightId, lrad);
		ChangeVisionRadius(player.getId(), lrad);
		player._pLightRad = lrad;
	}
}

void CalcPlrDamageMod(Player &player)
{
	const uint8_t playerLevel = player.getCharacterLevel();
	const Item &leftHandItem = player.InvBody[INVLOC_HAND_LEFT];
	const Item &rightHandItem = player.InvBody[INVLOC_HAND_RIGHT];
	const int strMod = playerLevel * player._pStrength;
	const int strDexMod = playerLevel * (player._pStrength + player._pDexterity);

	switch (player._pClass) {
	case HeroClass::Rogue:
		player._pDamageMod = strDexMod / 200;
		return;
	case HeroClass::Monk:
		if (player.isHoldingItem(ItemType::Staff) || (leftHandItem.isEmpty() && rightHandItem.isEmpty())) {
			player._pDamageMod = strDexMod / 150;
		} else {
			player._pDamageMod = strDexMod / 300;
		}
		return;
	case HeroClass::Bard:
		if (player.isHoldingItem(ItemType::Sword)) {
			player._pDamageMod = strDexMod / 150;
		} else if (player.isHoldingItem(ItemType::Bow)) {
			player._pDamageMod = strDexMod / 250;
		} else {
			player._pDamageMod = strMod / 100;
		}
		return;
	case HeroClass::Barbarian:
		if (player.isHoldingItem(ItemType::Axe) || player.isHoldingItem(ItemType::Mace)) {
			player._pDamageMod = strMod / 75;
		} else if (player.isHoldingItem(ItemType::Bow)) {
			player._pDamageMod = strMod / 300;
		} else {
			player._pDamageMod = strMod / 100;
		}
		if (player.isHoldingItem(ItemType::Shield)) {
			if (leftHandItem._itype == ItemType::Shield)
				player._pIAC -= leftHandItem._iAC / 2;
			else if (rightHandItem._itype == ItemType::Shield)
				player._pIAC -= rightHandItem._iAC / 2;
		} else if (!player.isHoldingItem(ItemType::Staff) && !player.isHoldingItem(ItemType::Bow)) {
			player._pDamageMod += playerLevel * player._pVitality / 100;
		}
		player._pIAC += playerLevel / 4;
		return;
	default:
		player._pDamageMod = strMod / 100;
		return;
	}
}

void CalcPlrResistances(Player &player, ItemSpecialEffect iflgs, int fire, int lightning, int magic)
{
	const uint8_t playerLevel = player.getCharacterLevel();

	if (player._pClass == HeroClass::Barbarian) {
		magic += playerLevel;
		fire += playerLevel;
		lightning += playerLevel;
	}

	if (HasAnyOf(player._pSpellFlags, SpellFlag::RageCooldown)) {
		magic -= playerLevel;
		fire -= playerLevel;
		lightning -= playerLevel;
	}

	if (HasAnyOf(iflgs, ItemSpecialEffect::ZeroResistance)) {
		// reset resistances to zero if the respective special effect is active
		magic = 0;
		fire = 0;
		lightning = 0;
	}

	player._pMagResist = std::clamp(magic, 0, MaxResistance);
	player._pFireResist = std::clamp(fire, 0, MaxResistance);
	player._pLghtResist = std::clamp(lightning, 0, MaxResistance);
}

void CalcPlrLifeMana(Player &player, int vitality, int magic, int life, int mana)
{
	const ClassAttributes &playerClassAttributes = player.getClassAttributes();
	vitality = (vitality * playerClassAttributes.itmLife) >> 6;
	life += (vitality << 6);

	magic = (magic * playerClassAttributes.itmMana) >> 6;
	mana += (magic << 6);

	player._pMaxHP = life + player._pMaxHPBase;
	player._pHitPoints = std::min(life + player._pHPBase, player._pMaxHP);

	if (&player == MyPlayer && (player._pHitPoints >> 6) <= 0) {
		SetPlayerHitPoints(player, 0);
	}

	player._pMaxMana = mana + player._pMaxManaBase;
	player._pMana = std::min(mana + player._pManaBase, player._pMaxMana);
}

void CalcPlrBlockFlag(Player &player)
{
	const auto &leftHandItem = player.InvBody[INVLOC_HAND_LEFT];
	const auto &rightHandItem = player.InvBody[INVLOC_HAND_RIGHT];

	player._pBlockFlag = false;

	if (player._pClass == HeroClass::Monk) {
		if (player.isHoldingItem(ItemType::Staff)) {
			player._pBlockFlag = true;
			player._pIFlags |= ItemSpecialEffect::FastBlock;
		} else if ((leftHandItem.isEmpty() && rightHandItem.isEmpty()) || (leftHandItem._iClass == ICLASS_WEAPON && leftHandItem._iLoc != ILOC_TWOHAND && rightHandItem.isEmpty()) || (rightHandItem._iClass == ICLASS_WEAPON && rightHandItem._iLoc != ILOC_TWOHAND && leftHandItem.isEmpty())) {
			player._pBlockFlag = true;
		}
	}

	player._pBlockFlag = player._pBlockFlag || player.isHoldingItem(ItemType::Shield);
}

PlayerWeaponGraphic GetPlrAnimWeaponId(const Player &player)
{
	const Item &leftHandItem = player.InvBody[INVLOC_HAND_LEFT];
	const Item &rightHandItem = player.InvBody[INVLOC_HAND_RIGHT];
	bool holdsShield = player.isHoldingItem(ItemType::Shield);
	bool leftHandUsable = player.CanUseItem(leftHandItem);
	bool rightHandUsable = player.CanUseItem(rightHandItem);
	ItemType weaponItemType = ItemType::None;

	if (!leftHandItem.isEmpty() && leftHandItem._iClass == ICLASS_WEAPON && leftHandUsable) {
		weaponItemType = leftHandItem._itype;
	}

	if (!rightHandItem.isEmpty() && rightHandItem._iClass == ICLASS_WEAPON && rightHandUsable) {
		weaponItemType = rightHandItem._itype;
	}

	switch (weaponItemType) {
	case ItemType::Sword:
		return holdsShield ? PlayerWeaponGraphic::SwordShield : PlayerWeaponGraphic::Sword;
	case ItemType::Axe:
		return PlayerWeaponGraphic::Axe;
	case ItemType::Bow:
		return PlayerWeaponGraphic::Bow;
	case ItemType::Mace:
		return holdsShield ? PlayerWeaponGraphic::MaceShield : PlayerWeaponGraphic::Mace;
	case ItemType::Staff:
		return PlayerWeaponGraphic::Staff;
	default:
		return holdsShield ? PlayerWeaponGraphic::UnarmedShield : PlayerWeaponGraphic::Unarmed;
	}
}

PlayerArmorGraphic GetPlrAnimArmorId(Player &player)
{
	const Item &chestItem = player.InvBody[INVLOC_CHEST];
	bool chestUsable = player.CanUseItem(chestItem);
	const uint8_t playerLevel = player.getCharacterLevel();

	if (chestUsable) {
		switch (chestItem._itype) {
		case ItemType::HeavyArmor:
			if (player._pClass == HeroClass::Monk) {
				if (chestItem._iMagical == ITEM_QUALITY_UNIQUE)
					player._pIAC += playerLevel / 2;
			}
			return PlayerArmorGraphic::Heavy;
		case ItemType::MediumArmor:
			if (player._pClass == HeroClass::Monk) {
				if (chestItem._iMagical == ITEM_QUALITY_UNIQUE)
					player._pIAC += playerLevel * 2;
				else
					player._pIAC += playerLevel / 2;
			}
			return PlayerArmorGraphic::Medium;
		default:
			if (player._pClass == HeroClass::Monk)
				player._pIAC += playerLevel * 2;
			return PlayerArmorGraphic::Light;
		}
	}

	return PlayerArmorGraphic::Light;
}

void CalcPlrGraphics(Player &player, PlayerWeaponGraphic animWeaponId, PlayerArmorGraphic animArmorId, bool loadgfx)
{
	const uint8_t gfxNum = static_cast<uint8_t>(animWeaponId) | static_cast<uint8_t>(animArmorId);
	if (player._pgfxnum != gfxNum && loadgfx) {
		player._pgfxnum = gfxNum;
		ResetPlayerGFX(player);
		SetPlrAnims(player);
		player.previewCelSprite = std::nullopt;
		player_graphic graphic = player.getGraphic();
		int8_t numberOfFrames;
		int8_t ticksPerFrame;
		player.getAnimationFramesAndTicksPerFrame(graphic, numberOfFrames, ticksPerFrame);
		LoadPlrGFX(player, graphic);
		OptionalClxSpriteList sprites;
		if (!HeadlessMode)
			sprites = player.AnimationData[static_cast<size_t>(graphic)].spritesForDirection(player._pdir);
		player.AnimInfo.changeAnimationData(sprites, numberOfFrames, ticksPerFrame);
	} else {
		player._pgfxnum = gfxNum;
	}
}

void CalcPlrAuricBonus(Player &player)

{
	if (&player == MyPlayer) {
		if (player.InvBody[INVLOC_AMULET].isEmpty() || player.InvBody[INVLOC_AMULET].IDidx != IDI_AURIC) {
			int half = MaxGold;
			MaxGold = GOLD_MAX_LIMIT;

			if (half != MaxGold)
				StripTopGold(player);
		} else {
			MaxGold = GOLD_MAX_LIMIT * 2;
		}
	}
}

void CalcPlrItemVals(Player &player, bool loadgfx)
{
	int minDamage = 0;
	int maxDamage = 0;
	int ac = 0;

	int dam = 0;
	int toHit = 0;
	int bonusAc = 0;

	ItemSpecialEffect flags = ItemSpecialEffect::None;
	ItemSpecialEffectHf damAcFlags = ItemSpecialEffectHf::None;

	int strength = 0;
	int magic = 0;
	int dexterity = 0;
	int vitality = 0;

	uint64_t spells = 0;

	int fireRes = 0;
	int lightRes = 0;
	int magicRes = 0;

	int damMod = 0;
	int getHit = 0;

	int lightRadius = 10;

	int life = 0;
	int mana = 0;

	int8_t splLvlAdd = 0;
	int targetAc = 0;

	int minFireDam = 0;
	int maxFireDam = 0;
	int minLightDam = 0;
	int maxLightDam = 0;

	for (const Item &item : player.InvBody) {
		if (!item.isEmpty() && item._iStatFlag) {

			minDamage += item._iMinDam;
			maxDamage += item._iMaxDam;
			ac += item._iAC;

			if (IsValidSpell(item._iSpell)) {
				spells |= GetSpellBitmask(item._iSpell);
			}

			if (item._iMagical == ITEM_QUALITY_NORMAL || item._iIdentified) {
				dam += item._iPLDam;
				toHit += item._iPLToHit;
				bonusAc += GetBonusAC(item);
				flags |= item._iFlags;
				damAcFlags |= item._iDamAcFlags;
				strength += item._iPLStr;
				magic += item._iPLMag;
				dexterity += item._iPLDex;
				vitality += item._iPLVit;
				fireRes += item._iPLFR;
				lightRes += item._iPLLR;
				magicRes += item._iPLMR;
				damMod += item._iPLDamMod;
				getHit += item._iPLGetHit;
				lightRadius += item._iPLLight;
				life += item._iPLHP;
				mana += item._iPLMana;
				splLvlAdd += item._iSplLvlAdd;
				targetAc += item._iPLEnAc;
				minFireDam += item._iFMinDam;
				maxFireDam += item._iFMaxDam;
				minLightDam += item._iLMinDam;
				maxLightDam += item._iLMaxDam;
			}
		}
	}

	CalcPlrDamage(player, minDamage, maxDamage);
	CalcPlrPrimaryStats(player, strength, magic, dexterity, vitality);
	player._pIAC = ac;
	player._pIBonusDam = dam;
	player._pIBonusToHit = toHit;
	player._pIBonusAC = bonusAc;
	player._pIFlags = flags;
	player.pDamAcFlags = damAcFlags;
	player._pIBonusDamMod = damMod;
	player._pIGetHit = getHit;
	CalcPlrLightRadius(player, lightRadius);
	CalcPlrDamageMod(player);
	player._pISpells = spells;
	EnsureValidReadiedSpell(player);
	player._pISplLvlAdd = splLvlAdd;
	player._pIEnAc = targetAc;
	CalcPlrResistances(player, flags, fireRes, lightRes, magicRes);
	CalcPlrLifeMana(player, vitality, magic, life, mana);
	player._pIFMinDam = minFireDam;
	player._pIFMaxDam = maxFireDam;
	player._pILMinDam = minLightDam;
	player._pILMaxDam = maxLightDam;

	CalcPlrBlockFlag(player);

	CalcPlrGraphics(player, GetPlrAnimWeaponId(player), GetPlrAnimArmorId(player), loadgfx);

	CalcPlrAuricBonus(player);
	RedrawComponent(PanelDrawComponent::Mana);
	RedrawComponent(PanelDrawComponent::Health);
}

void CalcPlrInv(Player &player, bool loadgfx)
{
	// Determine the players current stats, this updates the statFlag on all equipped items that became unusable after
	//  a change in equipment.
	CalcSelfItems(player);

	// Determine the current item bonuses gained from usable equipped items
	if (&player != MyPlayer && !player.isOnActiveLevel()) {
		// Ensure we don't load graphics for players that aren't on our level
		loadgfx = false;
	}
	CalcPlrItemVals(player, loadgfx);

	if (&player == MyPlayer) {
		// Now that stat gains from equipped items have been calculated, mark unusable scrolls etc
		for (Item &item : InventoryAndBeltPlayerItemsRange { player }) {
			item.updateRequiredStatsCacheForPlayer(player);
		}
		player.CalcScrolls();
		CalcPlrStaff(player);
		if (IsStashOpen) {
			// If stash is open, ensure the items are displayed correctly
			Stash.RefreshItemStatFlags();
		}
	}
}

void InitializeItem(Item &item, _item_indexes itemData)
{
	auto &pAllItem = AllItemsList[static_cast<size_t>(itemData)];

	// zero-initialize struct
	item = {};

	item._itype = pAllItem.itype;
	item._iCurs = pAllItem.iCurs;
	CopyUtf8(item._iName, pAllItem.iName, sizeof(item._iName));
	CopyUtf8(item._iIName, pAllItem.iName, sizeof(item._iIName));
	item._iLoc = pAllItem.iLoc;
	item._iClass = pAllItem.iClass;
	item._iMinDam = pAllItem.iMinDam;
	item._iMaxDam = pAllItem.iMaxDam;
	item._iAC = pAllItem.iMinAC;
	item._iMiscId = pAllItem.iMiscId;
	item._iSpell = pAllItem.iSpell;

	if (pAllItem.iMiscId == IMISC_STAFF) {
		item._iCharges = gbIsHellfire ? 18 : 40;
	}

	item._iMaxCharges = item._iCharges;
	item._iDurability = pAllItem.iDurability;
	item._iMaxDur = pAllItem.iDurability;
	item._iMinStr = pAllItem.iMinStr;
	item._iMinMag = pAllItem.iMinMag;
	item._iMinDex = pAllItem.iMinDex;
	item._ivalue = pAllItem.iValue;
	item._iIvalue = pAllItem.iValue;
	item._iPrePower = IPL_INVALID;
	item._iSufPower = IPL_INVALID;
	item._iMagical = ITEM_QUALITY_NORMAL;
	item.IDidx = static_cast<_item_indexes>(itemData);
	if (gbIsHellfire)
		item.dwBuff |= CF_HELLFIRE;
}

void GenerateNewSeed(Item &item)
{
	item._iSeed = AdvanceRndSeed();
}

int GetGoldCursor(int value)
{
	if (value >= GOLD_MEDIUM_LIMIT)
		return ICURS_GOLD_LARGE;

	if (value <= GOLD_SMALL_LIMIT)
		return ICURS_GOLD_SMALL;

	return ICURS_GOLD_MEDIUM;
}

void SetPlrHandGoldCurs(Item &gold)
{
	gold._iCurs = GetGoldCursor(gold._ivalue);
}

namespace {
void CreateStartingItem(Player &player, _item_indexes itemData)
{
	Item item;
	InitializeItem(item, itemData);
	GenerateNewSeed(item);
	item.updateRequiredStatsCacheForPlayer(player);
	AutoEquip(player, item) || AutoPlaceItemInBelt(player, item, true) || AutoPlaceItemInInventory(player, item, true);
}
} // namespace

void CreatePlrItems(Player &player)
{
	for (auto &item : player.InvBody) {
		item.clear();
	}

	// converting this to a for loop creates a `rep stosd` instruction,
	// so this probably actually was a memset
	memset(&player.InvGrid, 0, sizeof(player.InvGrid));

	for (auto &item : player.InvList) {
		item.clear();
	}

	player._pNumInv = 0;

	for (auto &item : player.SpdList) {
		item.clear();
	}

	const PlayerStartingLoadoutData &loadout = GetPlayerStartingLoadoutForClass(player._pClass);

	if (loadout.spell != SpellID::Null && loadout.spellLevel > 0) {
		player._pMemSpells = GetSpellBitmask(loadout.spell);
		player._pRSplType = SpellType::Spell;
		player._pRSpell = loadout.spell;
		player._pSplLvl[static_cast<unsigned>(loadout.spell)] = loadout.spellLevel;
	} else {
		player._pMemSpells = 0;
	}

	if (loadout.skill != SpellID::Null) {
		player._pAblSpells = GetSpellBitmask(loadout.skill);
		if (player._pRSplType == SpellType::Invalid) {
			player._pRSplType = SpellType::Skill;
			player._pRSpell = loadout.skill;
		}
	}

	InitCursor();
	for (auto &itemChoice : loadout.items) {
		_item_indexes itemData = gbIsHellfire && itemChoice.hellfire != _item_indexes::IDI_NONE ? itemChoice.hellfire : itemChoice.diablo;
		if (itemData != _item_indexes::IDI_NONE)
			CreateStartingItem(player, itemData);
	}
	FreeCursor();

	if (loadout.gold > 0) {
		Item &goldItem = player.InvList[player._pNumInv];
		MakeGoldStack(goldItem, loadout.gold);

		player._pNumInv++;
		player.InvGrid[30] = player._pNumInv;

		player._pGold = goldItem._ivalue;
	}

	CalcPlrItemVals(player, false);
}

bool ItemSpaceOk(Point position)
{
	if (!InDungeonBounds(position)) {
		return false;
	}

	if (IsTileSolid(position)) {
		return false;
	}

	if (dItem[position.x][position.y] != 0) {
		return false;
	}

	if (dMonster[position.x][position.y] != 0) {
		return false;
	}

	if (dPlayer[position.x][position.y] != 0) {
		return false;
	}

	if (IsItemBlockingObjectAtPosition(position)) {
		return false;
	}

	return true;
}

int AllocateItem()
{
	assert(ActiveItemCount < MAXITEMS);

	int inum = ActiveItems[ActiveItemCount];
	ActiveItemCount++;

	Items[inum] = {};

	return inum;
}

uint8_t PlaceItemInWorld(Item &&item, WorldTilePosition position)
{
	assert(ActiveItemCount < MAXITEMS);

	uint8_t ii = ActiveItems[ActiveItemCount];
	ActiveItemCount++;

	dItem[position.x][position.y] = ii + 1;
	auto &item_ = Items[ii];
	item_ = std::move(item);
	item_.position = position;
	RespawnItem(item_, true);

	if (CornerStone.isAvailable() && position == CornerStone.position) {
		CornerStone.item = item_;
		InitQTextMsg(TEXT_CORNSTN);
		Quests[Q_CORNSTN]._qactive = QUEST_DONE;
	}

	return ii;
}

Point GetSuperItemLoc(Point position)
{
	std::optional<Point> itemPosition = FindClosestValidPosition(ItemSpaceOk, position, 1, 50);

	return itemPosition.value_or(Point { 0, 0 }); // TODO handle no space for dropping items
}

void GetItemAttrs(Item &item, _item_indexes itemData, int lvl)
{
	auto &baseItemData = AllItemsList[static_cast<size_t>(itemData)];
	item._itype = baseItemData.itype;
	item._iCurs = baseItemData.iCurs;
	CopyUtf8(item._iName, baseItemData.iName, sizeof(item._iName));
	CopyUtf8(item._iIName, baseItemData.iName, sizeof(item._iIName));
	item._iLoc = baseItemData.iLoc;
	item._iClass = baseItemData.iClass;
	item._iMinDam = baseItemData.iMinDam;
	item._iMaxDam = baseItemData.iMaxDam;
	item._iAC = baseItemData.iMinAC + GenerateRnd(baseItemData.iMaxAC - baseItemData.iMinAC + 1);
	item._iFlags = baseItemData.iFlags;
	item._iMiscId = baseItemData.iMiscId;
	item._iSpell = baseItemData.iSpell;
	item._iMagical = ITEM_QUALITY_NORMAL;
	item._ivalue = baseItemData.iValue;
	item._iIvalue = baseItemData.iValue;
	item._iDurability = baseItemData.iDurability;
	item._iMaxDur = baseItemData.iDurability;
	item._iMinStr = baseItemData.iMinStr;
	item._iMinMag = baseItemData.iMinMag;
	item._iMinDex = baseItemData.iMinDex;
	item.IDidx = itemData;
	if (gbIsHellfire)
		item.dwBuff |= CF_HELLFIRE;
	item._iPrePower = IPL_INVALID;
	item._iSufPower = IPL_INVALID;

	if (item._iMiscId == IMISC_BOOK)
		GetBookSpell(item, lvl);

	if (gbIsHellfire && item._iMiscId == IMISC_OILOF)
		GetOilType(item, lvl);

	if (item._itype != ItemType::Gold)
		return;

	int rndv;
	int itemlevel = ItemsGetCurrlevel();
	switch (sgGameInitInfo.nDifficulty) {
	case DIFF_NORMAL:
		rndv = 5 * itemlevel + GenerateRnd(10 * itemlevel);
		break;
	case DIFF_NIGHTMARE:
		rndv = 5 * (itemlevel + 16) + GenerateRnd(10 * (itemlevel + 16));
		break;
	case DIFF_HELL:
		rndv = 5 * (itemlevel + 32) + GenerateRnd(10 * (itemlevel + 32));
		break;
	}
	if (leveltype == DTYPE_HELL)
		rndv += rndv / 8;

	item._ivalue = std::min(rndv, GOLD_MAX_LIMIT);
	SetPlrHandGoldCurs(item);
}

void SetupItem(Item &item)
{
	item.setNewAnimation(MyPlayer != nullptr && MyPlayer->pLvlLoad == 0);
	item._iIdentified = false;
}

Item *SpawnUnique(_unique_items uid, Point position, std::optional<int> level /*= std::nullopt*/, bool sendmsg /*= true*/, bool exactPosition /*= false*/)
{
	if (ActiveItemCount >= MAXITEMS)
		return nullptr;

	int ii = AllocateItem();
	auto &item = Items[ii];
	if (exactPosition && CanPut(position)) {
		item.position = position;
		dItem[position.x][position.y] = ii + 1;
	} else {
		GetSuperItemSpace(position, ii);
	}
	int curlv = ItemsGetCurrlevel();

	std::underlying_type_t<_item_indexes> idx = 0;
	while (AllItemsList[idx].iItemId != UniqueItems[uid].UIItemId)
		idx++;

	if (sgGameInitInfo.nDifficulty == DIFF_NORMAL) {
		GetItemAttrs(item, static_cast<_item_indexes>(idx), curlv);
		GetUniqueItem(*MyPlayer, item, uid);
		SetupItem(item);
	} else {
		if (level)
			curlv = *level;
		const ItemData &uniqueItemData = AllItemsList[idx];
		_item_indexes idx = GetItemIndexForDroppableItem(false, [&uniqueItemData](const ItemData &item) {
			return item.itype == uniqueItemData.itype;
		});
		SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), curlv * 2, 15, true, false);
		TryRandomUniqueItem(item, idx, curlv * 2, 15, true, false);
		SetupItem(item);
	}

	if (sendmsg)
		NetSendCmdPItem(false, CMD_SPAWNITEM, item.position, item);

	return &item;
}

void GetSuperItemSpace(Point position, int8_t inum)
{
	Point positionToCheck = position;
	if (GetItemSpace(positionToCheck, inum))
		return;
	for (int k = 2; k < 50; k++) {
		for (int j = -k; j <= k; j++) {
			for (int i = -k; i <= k; i++) {
				Displacement offset = { i, j };
				positionToCheck = position + offset;
				if (!ItemSpaceOk(positionToCheck))
					continue;
				Items[inum].position = positionToCheck;
				dItem[positionToCheck.x][positionToCheck.y] = inum + 1;
				return;
			}
		}
	}
}

_item_indexes RndItemForMonsterLevel(int8_t monsterLevel)
{
	if (GenerateRnd(100) > 40)
		return IDI_NONE;

	if (GenerateRnd(100) > 25)
		return IDI_GOLD;

	return GetItemIndexForDroppableItem(true, [&monsterLevel](const ItemData &item) {
		return item.iMinMLvl <= monsterLevel;
	});
}

void SetupAllItems(const Player &player, Item &item, _item_indexes idx, uint32_t iseed, int lvl, int uper, bool onlygood, bool pregen, int uidOffset /*= 0*/, bool forceNotUnique /*= false*/)
{
	item._iSeed = iseed;
	SetRndSeed(iseed);
	GetItemAttrs(item, idx, lvl / 2);
	item._iCreateInfo = lvl;

	if (pregen)
		item._iCreateInfo |= CF_PREGEN;
	if (onlygood)
		item._iCreateInfo |= CF_ONLYGOOD;

	if (uper == 15)
		item._iCreateInfo |= CF_UPER15;
	else if (uper == 1)
		item._iCreateInfo |= CF_UPER1;

	if (item._iMiscId != IMISC_UNIQUE) {
		int iblvl = GetItemBLevel(lvl, item._iMiscId, onlygood, uper == 15);
		if (iblvl != -1) {
			_unique_items uid = UITEM_INVALID;
			if (!forceNotUnique) {
				uid = CheckUnique(item, iblvl, uper, uidOffset);
			} else {
				DiscardRandomValues(1);
			}
			if (uid == UITEM_INVALID) {
				GetItemBonus(player, item, iblvl / 2, iblvl, onlygood, true);
			} else {
				GetUniqueItem(player, item, uid);
			}
		}
		if (item._iMagical != ITEM_QUALITY_UNIQUE)
			ItemRndDur(item);
	} else {
		if (item._iLoc != ILOC_UNEQUIPABLE) {
			if (iseed > 109 || AllItemsList[static_cast<size_t>(idx)].iItemId != UniqueItems[iseed].UIItemId) {
				item.clear();
				return;
			}

			GetUniqueItem(player, item, (_unique_items)iseed); // uid is stored in iseed for uniques
		}
	}
}

void TryRandomUniqueItem(Item &item, _item_indexes idx, int8_t mLevel, int uper, bool onlygood, bool pregen)
{
	// If the item is a non-quest unique, find a random valid uid and force generate items to get an item with that uid.
	if ((item._iCreateInfo & CF_UNIQUE) == 0 || item._iMiscId == IMISC_UNIQUE)
		return;

	SetRndSeed(item._iSeed);

	// Get item base level, which is used in CheckUnique to get the correct valid uniques for the base item.
	DiscardRandomValues(1); // GetItemAttrs
	int blvl = GetItemBLevel(mLevel, item._iMiscId, onlygood, uper == 15);

	// Gather all potential unique items. uid is the index into UniqueItems.
	auto validUniques = GetValidUniques(blvl, AllItemsList[static_cast<size_t>(idx)].iItemId);
	assert(!validUniques.empty());
	std::vector<int> uids;
	for (auto &possibleUid : validUniques) {
		// Verify item hasn't been dropped yet. We set this to true in MP, since uniques previously dropping shouldn't prevent further identical uniques from dropping.
		if (!UniqueItemFlags[possibleUid] || gbIsMultiplayer) {
			uids.emplace_back(possibleUid);
		}
	}

	// If we find at least one unique in uids that hasn't been obtained yet, we can proceed getting a random unique.
	if (uids.empty()) {
		// Set uper to 1 and make the level adjustment so we have better odds of not generating a unique item.
		if (uper == 15)
			mLevel += 4;
		uper = 1;

		Point itemPos = item.position;

		// Force generate a non-unique item.
		DiabloGenerator itemGenerator(item._iSeed);
		do {
			item = {}; // Reset item data
			item.position = itemPos;
			SetupAllItems(*MyPlayer, item, idx, itemGenerator.advanceRndSeed(), mLevel, uper, onlygood, pregen);
		} while (item._iMagical == ITEM_QUALITY_UNIQUE);

		return;
	}

	int32_t uidsIdx = std::max<int32_t>(0, GenerateRnd(static_cast<int32_t>(uids.size()))); // Index into uids, used to get a random uid from the uids vector.
	int uid = uids[uidsIdx];                                                                // Actual unique id.
	const UniqueItem &uniqueItem = UniqueItems[uid];

	// If the selected unique was already generated, there is no need to fiddle with its parameters.
	if (item._iUid == uid) {
		if (!gbIsMultiplayer) {
			UniqueItemFlags[uid] = true;
		}
		return;
	}

	// Find our own id to calculate the offset in validUniques and check if we can generate a reverse-compatible version of the item.
	int uidOffset = -1;
	bool canGenerateReverseCompatible = true;
	for (size_t i = 0; i < validUniques.size(); i++) {
		if (validUniques[i] == uid) {
			// Vanilla always picks the last unique, so the offset is calculated from the back of the valid unique list.
			uidOffset = static_cast<int>(validUniques.size() - i - 1);
		} else if (uidOffset != -1 && UniqueItems[validUniques[i]].UIMinLvl <= uniqueItem.UIMinLvl) {
			// Found an item with same or lower level as our desired unique after our unique.
			// This means that we cannot possibly generate the item in reverse compatible mode and must rely on an offset.
			canGenerateReverseCompatible = false;
		}
	}
	assert(uidOffset != -1);

	const Point itemPos = item.position;
	if (canGenerateReverseCompatible) {
		int targetLvl = 1; // Target level for reverse compatibility, since vanilla always takes the last applicable uid in the list.

		// Set target level. Ideally we use uper 15 to have a 16% chance of generating a unique item.
		if (uniqueItem.UIMinLvl - 4 > 0) { // Negative level will underflow. Lvl 0 items may have unintended consequences.
			uper = 15;
			targetLvl = uniqueItem.UIMinLvl - 4;
		} else {
			uper = 1;
			targetLvl = uniqueItem.UIMinLvl;
		}

		// Force generate items until we find a uid match.
		DiabloGenerator itemGenerator(item._iSeed);
		do {
			item = {}; // Reset item data
			item.position = itemPos;
			// Set onlygood = true, to always get the required item base level for the unique.
			SetupAllItems(*MyPlayer, item, idx, itemGenerator.advanceRndSeed(), targetLvl, uper, true, pregen);
		} while (item._iUid != uid);
	} else {
		// Recreate the item with new offset, this creates the desired unique item but is not reverse compatible.
		const int seed = item._iSeed;
		item = {}; // Reset item data
		item.position = itemPos;
		SetupAllItems(*MyPlayer, item, idx, seed, mLevel, uper, onlygood, pregen, uidOffset);
		item.dwBuff |= (uidOffset << 1) & CF_UIDOFFSET;
		assert(item._iUid == uid);
	}

	// Set item as obtained to prevent it from being dropped again in SP.
	if (!gbIsMultiplayer) {
		UniqueItemFlags[uid] = true;
	}
}

void SpawnItem(Monster &monster, Point position, bool sendmsg, bool spawn /*= false*/)
{
	_item_indexes idx;
	bool onlygood = true;

	bool dropsSpecialTreasure = (monster.data().treasure & T_UNIQ) != 0;
	bool dropBrain = Quests[Q_MUSHROOM]._qactive == QUEST_ACTIVE && Quests[Q_MUSHROOM]._qvar1 == QS_MUSHGIVEN;

	if (dropsSpecialTreasure && !UseMultiplayerQuests()) {
		Item *uniqueItem = SpawnUnique(static_cast<_unique_items>(monster.data().treasure & T_MASK), position, std::nullopt, false);
		if (uniqueItem != nullptr && sendmsg)
			NetSendCmdPItem(false, CMD_DROPITEM, uniqueItem->position, *uniqueItem);
		return;
	} else if (monster.isUnique() || dropsSpecialTreasure) {
		// Unique monster is killed => use better item base (for example no gold)
		idx = RndUItem(&monster);
	} else if (dropBrain && !gbIsMultiplayer) {
		// Normal monster is killed => need to drop brain to progress the quest
		Quests[Q_MUSHROOM]._qvar1 = QS_BRAINSPAWNED;
		NetSendCmdQuest(true, Quests[Q_MUSHROOM]);
		// brain replaces normal drop
		idx = IDI_BRAIN;
	} else {
		if (dropBrain && gbIsMultiplayer && sendmsg) {
			Quests[Q_MUSHROOM]._qvar1 = QS_BRAINSPAWNED;
			NetSendCmdQuest(true, Quests[Q_MUSHROOM]);
			// Drop the brain as extra item to ensure that all clients see the brain drop
			// When executing SpawnItem is not reliable, because another client can already have the quest state updated before SpawnItem is executed
			Point posBrain = GetSuperItemLoc(position);
			SpawnQuestItem(IDI_BRAIN, posBrain, 0, SelectionRegion::None, true);
		}
		// Normal monster
		if ((monster.data().treasure & T_NODROP) != 0)
			return;
		onlygood = false;
		idx = RndItemForMonsterLevel(static_cast<int8_t>(monster.level(sgGameInitInfo.nDifficulty)));
	}

	if (idx == IDI_NONE)
		return;

	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];
	GetSuperItemSpace(position, ii);
	int uper = monster.isUnique() ? 15 : 1;

	int8_t mLevel = monster.data().level;
	if (!gbIsHellfire && monster.type().type == MT_DIABLO)
		mLevel -= 15;

	SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), mLevel, uper, onlygood, false, false);
	TryRandomUniqueItem(item, idx, mLevel, uper, onlygood, false);
	SetupItem(item);

	if (sendmsg)
		NetSendCmdPItem(false, CMD_DROPITEM, item.position, item);
	if (spawn)
		NetSendCmdPItem(false, CMD_SPAWNITEM, item.position, item);
}

void CreateRndItem(Point position, bool onlygood, bool sendmsg, bool delta)
{
	_item_indexes idx = onlygood ? RndUItem(nullptr) : RndAllItems();

	SetupBaseItem(position, idx, onlygood, sendmsg, delta);
}

void CreateRndUseful(Point position, bool sendmsg)
{
	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];
	GetSuperItemSpace(position, ii);
	int curlv = ItemsGetCurrlevel();

	SetupAllUseful(item, AdvanceRndSeed(), curlv);
	if (sendmsg)
		NetSendCmdPItem(false, CMD_DROPITEM, item.position, item);
}

void CreateTypeItem(Point position, bool onlygood, ItemType itemType, int imisc, bool sendmsg, bool delta, bool spawn)
{
	_item_indexes idx;

	int curlv = ItemsGetCurrlevel();
	if (itemType != ItemType::Gold)
		idx = RndTypeItems(itemType, imisc, curlv);
	else
		idx = IDI_GOLD;

	SetupBaseItem(position, idx, onlygood, sendmsg, delta, spawn);
}

void RecreateItem(const Player &player, Item &item, _item_indexes idx, uint16_t icreateinfo, uint32_t iseed, int ivalue, bool isHellfire)
{
	bool tmpIsHellfire = gbIsHellfire;
	gbIsHellfire = isHellfire;

	if (idx == IDI_GOLD) {
		InitializeItem(item, IDI_GOLD);
		item._iSeed = iseed;
		item._iCreateInfo = icreateinfo;
		item._ivalue = ivalue;
		SetPlrHandGoldCurs(item);
		gbIsHellfire = tmpIsHellfire;
		return;
	}

	if (icreateinfo == 0) {
		InitializeItem(item, idx);
		item._iSeed = iseed;
		gbIsHellfire = tmpIsHellfire;
		return;
	}

	if ((icreateinfo & CF_UNIQUE) == 0) {
		if ((icreateinfo & CF_TOWN) != 0) {
			RecreateTownItem(player, item, idx, icreateinfo, iseed);
			gbIsHellfire = tmpIsHellfire;
			return;
		}

		if ((icreateinfo & CF_USEFUL) == CF_USEFUL) {
			SetupAllUseful(item, iseed, icreateinfo & CF_LEVEL);
			gbIsHellfire = tmpIsHellfire;
			return;
		}
	}

	int level = icreateinfo & CF_LEVEL;

	int uper = 0;
	if ((icreateinfo & CF_UPER1) != 0)
		uper = 1;
	if ((icreateinfo & CF_UPER15) != 0)
		uper = 15;

	bool onlygood = (icreateinfo & CF_ONLYGOOD) != 0;
	bool forceNotUnique = (icreateinfo & CF_UNIQUE) == 0;
	bool pregen = (icreateinfo & CF_PREGEN) != 0;
	auto uidOffset = static_cast<int>((item.dwBuff & CF_UIDOFFSET) >> 1);

	SetupAllItems(player, item, idx, iseed, level, uper, onlygood, pregen, uidOffset, forceNotUnique);
	SetupItem(item);
	gbIsHellfire = tmpIsHellfire;
}

void RecreateEar(Item &item, uint16_t ic, uint32_t iseed, uint8_t bCursval, std::string_view heroName)
{
	InitializeItem(item, IDI_EAR);

	std::string itemName = fmt::format(fmt::runtime("Ear of {:s}"), heroName);

	CopyUtf8(item._iName, itemName, sizeof(item._iName));
	CopyUtf8(item._iIName, heroName, sizeof(item._iIName));

	item._iCurs = ((bCursval >> 6) & 3) + ICURS_EAR_SORCERER;
	item._ivalue = bCursval & 0x3F;
	item._iCreateInfo = ic;
	item._iSeed = iseed;
}

void CornerstoneSave()
{
	if (!CornerStone.activated)
		return;
	if (!CornerStone.item.isEmpty()) {
		ItemPack id;
		PackItem(id, CornerStone.item, (CornerStone.item.dwBuff & CF_HELLFIRE) != 0);
		const auto *buffer = reinterpret_cast<uint8_t *>(&id);
		for (size_t i = 0; i < sizeof(ItemPack); i++) {
			fmt::format_to(&sgOptions.Hellfire.szItem[i * 2], "{:02X}", buffer[i]);
		}
		sgOptions.Hellfire.szItem[sizeof(sgOptions.Hellfire.szItem) - 1] = '\0';
	} else {
		sgOptions.Hellfire.szItem[0] = '\0';
	}
}

void CornerstoneLoad(Point position)
{
	ItemPack pkSItem;

	if (CornerStone.activated || position.x == 0 || position.y == 0) {
		return;
	}

	CornerStone.item.clear();
	CornerStone.activated = true;
	if (dItem[position.x][position.y] != 0) {
		int ii = dItem[position.x][position.y] - 1;
		for (int i = 0; i < ActiveItemCount; i++) {
			if (ActiveItems[i] == ii) {
				DeleteItem(i);
				break;
			}
		}
		dItem[position.x][position.y] = 0;
	}

	if (strlen(sgOptions.Hellfire.szItem) < sizeof(ItemPack) * 2)
		return;

	Hex2bin(sgOptions.Hellfire.szItem, sizeof(ItemPack), reinterpret_cast<uint8_t *>(&pkSItem));

	int ii = AllocateItem();
	auto &item = Items[ii];

	dItem[position.x][position.y] = ii + 1;

	UnPackItem(pkSItem, *MyPlayer, item, (pkSItem.dwBuff & CF_HELLFIRE) != 0);
	item.position = position;
	RespawnItem(item, false);
	CornerStone.item = item;
}

void SpawnQuestItem(_item_indexes itemid, Point position, int randarea, SelectionRegion selectionRegion, bool sendmsg)
{
	if (randarea > 0) {
		int tries = 0;
		while (true) {
			tries++;
			if (tries > 1000 && randarea > 1)
				randarea--;

			position.x = GenerateRnd(MAXDUNX);
			position.y = GenerateRnd(MAXDUNY);

			bool failed = false;
			for (int i = 0; i < randarea && !failed; i++) {
				for (int j = 0; j < randarea && !failed; j++) {
					failed = !ItemSpaceOk(position + Displacement { i, j });
				}
			}
			if (!failed)
				break;
		}
	}

	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];

	item.position = position;

	dItem[position.x][position.y] = ii + 1;

	int curlv = ItemsGetCurrlevel();
	GetItemAttrs(item, itemid, curlv);

	SetupItem(item);
	item._iSeed = AdvanceRndSeed();
	SetRndSeed(item._iSeed);
	item._iPostDraw = true;
	if (selectionRegion != SelectionRegion::None) {
		item.selectionRegion = selectionRegion;
		item.AnimInfo.currentFrame = item.AnimInfo.numberOfFrames - 1;
		item._iAnimFlag = false;
	}

	if (sendmsg)
		NetSendCmdPItem(true, CMD_SPAWNITEM, item.position, item);
	else {
		item._iCreateInfo |= CF_PREGEN;
		DeltaAddItem(ii);
	}
}

void SpawnRewardItem(_item_indexes itemid, Point position, bool sendmsg)
{
	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];

	item.position = position;
	dItem[position.x][position.y] = ii + 1;
	int curlv = ItemsGetCurrlevel();
	GetItemAttrs(item, itemid, curlv);
	item.setNewAnimation(true);
	item.selectionRegion = SelectionRegion::Middle;
	item._iPostDraw = true;
	item._iIdentified = true;
	GenerateNewSeed(item);

	if (sendmsg) {
		NetSendCmdPItem(true, CMD_SPAWNITEM, item.position, item);
	}
}

void SpawnMapOfDoom(Point position, bool sendmsg)
{
	SpawnRewardItem(IDI_MAPOFDOOM, position, sendmsg);
}

void SpawnRuneBomb(Point position, bool sendmsg)
{
	SpawnRewardItem(IDI_RUNEBOMB, position, sendmsg);
}

void SpawnTheodore(Point position, bool sendmsg)
{
	SpawnRewardItem(IDI_THEODORE, position, sendmsg);
}

void RespawnItem(Item &item, bool flipFlag)
{
	int it = ItemCAnimTbl[item._iCurs];
	item.setNewAnimation(flipFlag);
	item._iRequest = false; // Item isn't being picked up by a player

	switch (item._iCurs) {
	case ICURS_TAVERN_SIGN:
	case ICURS_ANVIL_OF_FURY:
		item.selectionRegion = SelectionRegion::Bottom;
		break;
	case ICURS_MAP_OF_THE_STARS:
	case ICURS_RUNE_BOMB:
	case ICURS_THEODORE:
	case ICURS_AURIC_AMULET:
		item.selectionRegion = SelectionRegion::Middle; // Item is selectable at elevated level
		break;
	case ICURS_MAGIC_ROCK:
		Object *stand = FindObjectAtPosition(item.position);
		if (stand != nullptr && stand->_otype == OBJ_STAND) {
			item.selectionRegion = SelectionRegion::Middle; // Item is selectable at elevated level and renders at elevated level
			item._iPostDraw = true;                         // Draw in front of stand
			item.AnimInfo.currentFrame = 10;                // Frame 10 is the start of the elevated frames in the cel
		} else {
			item.selectionRegion = SelectionRegion::Bottom; // Item is selectable at floor level and renders at floor level
		}
		PlaySfxLoc(ItemDropSnds[it], item.position); // Play the drop sound (this item is perpetually in a dropping state, but can always be picked up)
		break;
	}
}

void DeleteItem(int i)
{
	if (ActiveItemCount > 0)
		ActiveItemCount--;

	assert(i >= 0 && i < MAXITEMS && ActiveItemCount < MAXITEMS);

	if (pcursitem == ActiveItems[i]) // Unselect item if player has it highlighted
		pcursitem = -1;

	if (i < ActiveItemCount) {
		// If the deleted item was not already at the end of the active list, swap the indexes around to make the next item allocation simpler.
		std::swap(ActiveItems[i], ActiveItems[ActiveItemCount]);
	}
}

void ProcessItems()
{
	for (int i = 0; i < ActiveItemCount; i++) {
		int ii = ActiveItems[i];
		auto &item = Items[ii];
		if (!item._iAnimFlag)
			continue;
		item.AnimInfo.processAnimation();
		if (item._iCurs == ICURS_MAGIC_ROCK) {
			if (item.selectionRegion == SelectionRegion::Bottom && item.AnimInfo.currentFrame == 10) // Reached end of floor frames + 1, cycle back
				item.AnimInfo.currentFrame = 0;                                                      // Beginning of floor frames
			if (item.selectionRegion == SelectionRegion::Middle && item.AnimInfo.currentFrame == 19) // Reached end of elevated frames, cycle back
				item.AnimInfo.currentFrame = 10;                                                     // Beginning of elevated frames
		} else {
			if (item.AnimInfo.currentFrame == (item.AnimInfo.numberOfFrames - 1) / 2)
				PlaySfxLoc(ItemDropSnds[ItemCAnimTbl[item._iCurs]], item.position);

			if (item.AnimInfo.isLastFrame()) {
				item.AnimInfo.currentFrame = item.AnimInfo.numberOfFrames - 1;
				item._iAnimFlag = false;
				item.selectionRegion = SelectionRegion::Bottom;
			}
		}
	}
	ItemDoppel();
}

void FreeItemGFX()
{
	for (auto &itemanim : itemanims) {
		itemanim = std::nullopt;
	}
}

void GetItemFrm(Item &item)
{
	int it = ItemCAnimTbl[item._iCurs];
	if (itemanims[it])
		item.AnimInfo.sprites.emplace(*itemanims[it]);
}

void GetItemStr(Item &item)
{
	if (item._itype != ItemType::Gold) {
		InfoString = item.getName();
		InfoColor = item.getTextColor();
	} else {
		int nGold = item._ivalue;
		InfoString = fmt::format(fmt::runtime(ngettext("{:s} gold piece", "{:s} gold pieces", nGold)), FormatInteger(nGold));
	}
}

void CheckIdentify(Player &player, int cii)
{
	Item *pi;

	if (cii >= NUM_INVLOC)
		pi = &player.InvList[cii - NUM_INVLOC];
	else
		pi = &player.InvBody[cii];

	pi->_iIdentified = true;
	CalcPlrInv(player, true);
}

void DoRepair(Player &player, int cii)
{
	Item *pi;

	PlaySfxLoc(SfxID::SpellRepair, player.position.tile);

	if (cii >= NUM_INVLOC) {
		pi = &player.InvList[cii - NUM_INVLOC];
	} else {
		pi = &player.InvBody[cii];
	}

	RepairItem(*pi, player.getCharacterLevel());
	CalcPlrInv(player, true);
}

void DoRecharge(Player &player, int cii)
{
	Item *pi;

	if (cii >= NUM_INVLOC) {
		pi = &player.InvList[cii - NUM_INVLOC];
	} else {
		pi = &player.InvBody[cii];
	}

	RechargeItem(*pi, player);
	CalcPlrInv(player, true);
}

bool DoOil(Player &player, int cii)
{
	Item *pi;
	if (cii >= NUM_INVLOC) {
		pi = &player.InvList[cii - NUM_INVLOC];
	} else {
		pi = &player.InvBody[cii];
	}
	if (!ApplyOilToItem(*pi, player))
		return false;
	CalcPlrInv(player, true);
	return true;
}

[[nodiscard]] StringOrView PrintItemPower(char plidx, const Item &item)
{
	switch (plidx) {
	case IPL_TOHIT:
	case IPL_TOHIT_CURSE:
		return fmt::format(fmt::runtime(_("chance to hit: {:+d}%")), item._iPLToHit);
	case IPL_DAMP:
	case IPL_DAMP_CURSE:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "{:+d}% damage")), item._iPLDam);
	case IPL_TOHIT_DAMP:
	case IPL_TOHIT_DAMP_CURSE:
		return fmt::format(fmt::runtime(_("to hit: {:+d}%, {:+d}% damage")), item._iPLToHit, item._iPLDam);
	case IPL_ACP:
	case IPL_ACP_CURSE:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "{:+d}% armor")), item._iPLAC);
	case IPL_SETAC:
	case IPL_AC_CURSE:
		return fmt::format(fmt::runtime(_("armor class: {:d}")), item._iAC);
	case IPL_FIRERES:
	case IPL_FIRERES_CURSE:
		if (item._iPLFR < MaxResistance)
			return fmt::format(fmt::runtime(_("Resist Fire: {:+d}%")), item._iPLFR);
		else
			return fmt::format(fmt::runtime(_("Resist Fire: {:+d}% MAX")), MaxResistance);
	case IPL_LIGHTRES:
	case IPL_LIGHTRES_CURSE:
		if (item._iPLLR < MaxResistance)
			return fmt::format(fmt::runtime(_("Resist Lightning: {:+d}%")), item._iPLLR);
		else
			return fmt::format(fmt::runtime(_("Resist Lightning: {:+d}% MAX")), MaxResistance);
	case IPL_MAGICRES:
	case IPL_MAGICRES_CURSE:
		if (item._iPLMR < MaxResistance)
			return fmt::format(fmt::runtime(_("Resist Magic: {:+d}%")), item._iPLMR);
		else
			return fmt::format(fmt::runtime(_("Resist Magic: {:+d}% MAX")), MaxResistance);
	case IPL_ALLRES:
		if (item._iPLFR < MaxResistance)
			return fmt::format(fmt::runtime(_("Resist All: {:+d}%")), item._iPLFR);
		else
			return fmt::format(fmt::runtime(_("Resist All: {:+d}% MAX")), MaxResistance);
	case IPL_SPLLVLADD:
		if (item._iSplLvlAdd > 0)
			return fmt::format(fmt::runtime(ngettext("spells are increased {:d} level", "spells are increased {:d} levels", item._iSplLvlAdd)), item._iSplLvlAdd);
		else if (item._iSplLvlAdd < 0)
			return fmt::format(fmt::runtime(ngettext("spells are decreased {:d} level", "spells are decreased {:d} levels", -item._iSplLvlAdd)), -item._iSplLvlAdd);
		else
			return _("spell levels unchanged (?)");
	case IPL_CHARGES:
		return _("Extra charges");
	case IPL_SPELL:
		return fmt::format(fmt::runtime(ngettext("{:d} {:s} charge", "{:d} {:s} charges", item._iMaxCharges)), item._iMaxCharges, pgettext("spell", GetSpellData(item._iSpell).sNameText));
	case IPL_FIREDAM:
		if (item._iFMinDam == item._iFMaxDam)
			return fmt::format(fmt::runtime(_("Fire hit damage: {:d}")), item._iFMinDam);
		else
			return fmt::format(fmt::runtime(_("Fire hit damage: {:d}-{:d}")), item._iFMinDam, item._iFMaxDam);
	case IPL_LIGHTDAM:
		if (item._iLMinDam == item._iLMaxDam)
			return fmt::format(fmt::runtime(_("Lightning hit damage: {:d}")), item._iLMinDam);
		else
			return fmt::format(fmt::runtime(_("Lightning hit damage: {:d}-{:d}")), item._iLMinDam, item._iLMaxDam);
	case IPL_STR:
	case IPL_STR_CURSE:
		return fmt::format(fmt::runtime(_("{:+d} to strength")), item._iPLStr);
	case IPL_MAG:
	case IPL_MAG_CURSE:
		return fmt::format(fmt::runtime(_("{:+d} to magic")), item._iPLMag);
	case IPL_DEX:
	case IPL_DEX_CURSE:
		return fmt::format(fmt::runtime(_("{:+d} to dexterity")), item._iPLDex);
	case IPL_VIT:
	case IPL_VIT_CURSE:
		return fmt::format(fmt::runtime(_("{:+d} to vitality")), item._iPLVit);
	case IPL_ATTRIBS:
	case IPL_ATTRIBS_CURSE:
		return fmt::format(fmt::runtime(_("{:+d} to all attributes")), item._iPLStr);
	case IPL_GETHIT_CURSE:
	case IPL_GETHIT:
		return fmt::format(fmt::runtime(_("{:+d} damage from enemies")), item._iPLGetHit);
	case IPL_LIFE:
	case IPL_LIFE_CURSE:
		return fmt::format(fmt::runtime(_("Hit Points: {:+d}")), item._iPLHP >> 6);
	case IPL_MANA:
	case IPL_MANA_CURSE:
		return fmt::format(fmt::runtime(_("Mana: {:+d}")), item._iPLMana >> 6);
	case IPL_DUR:
		return _("high durability");
	case IPL_DUR_CURSE:
		return _("decreased durability");
	case IPL_INDESTRUCTIBLE:
		return _("indestructible");
	case IPL_LIGHT:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "+{:d}% light radius")), 10 * item._iPLLight);
	case IPL_LIGHT_CURSE:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "-{:d}% light radius")), -10 * item._iPLLight);
	case IPL_MULT_ARROWS:
		return _("multiple arrows per shot");
	case IPL_FIRE_ARROWS:
		if (item._iFMinDam == item._iFMaxDam)
			return fmt::format(fmt::runtime(_("fire arrows damage: {:d}")), item._iFMinDam);
		else
			return fmt::format(fmt::runtime(_("fire arrows damage: {:d}-{:d}")), item._iFMinDam, item._iFMaxDam);
	case IPL_LIGHT_ARROWS:
		if (item._iLMinDam == item._iLMaxDam)
			return fmt::format(fmt::runtime(_("lightning arrows damage {:d}")), item._iLMinDam);
		else
			return fmt::format(fmt::runtime(_("lightning arrows damage {:d}-{:d}")), item._iLMinDam, item._iLMaxDam);
	case IPL_FIREBALL:
		if (item._iFMinDam == item._iFMaxDam)
			return fmt::format(fmt::runtime(_("fireball damage: {:d}")), item._iFMinDam);
		else
			return fmt::format(fmt::runtime(_("fireball damage: {:d}-{:d}")), item._iFMinDam, item._iFMaxDam);
	case IPL_THORNS:
		return _("attacker takes 1-3 damage");
	case IPL_NOMANA:
		return _("user loses all mana");
	case IPL_ABSHALFTRAP:
		return _("absorbs half of trap damage");
	case IPL_KNOCKBACK:
		return _("knocks target back");
	case IPL_3XDAMVDEM:
		return _(/*xgettext:no-c-format*/ "+200% damage vs. demons");
	case IPL_ALLRESZERO:
		return _("All Resistance equals 0");
	case IPL_STEALMANA:
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::StealMana3))
			return _(/*xgettext:no-c-format*/ "hit steals 3% mana");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::StealMana5))
			return _(/*xgettext:no-c-format*/ "hit steals 5% mana");
		return {};
	case IPL_STEALLIFE:
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::StealLife3))
			return _(/*xgettext:no-c-format*/ "hit steals 3% life");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::StealLife5))
			return _(/*xgettext:no-c-format*/ "hit steals 5% life");
		return {};
	case IPL_TARGAC:
		return _("penetrates target's armor");
	case IPL_FASTATTACK:
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::QuickAttack))
			return _("quick attack");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FastAttack))
			return _("fast attack");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FasterAttack))
			return _("faster attack");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FastestAttack))
			return _("fastest attack");
		return _("Another ability (NW)");
	case IPL_FASTRECOVER:
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FastHitRecovery))
			return _("fast hit recovery");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FasterHitRecovery))
			return _("faster hit recovery");
		if (HasAnyOf(item._iFlags, ItemSpecialEffect::FastestHitRecovery))
			return _("fastest hit recovery");
		return _("Another ability (NW)");
	case IPL_FASTBLOCK:
		return _("fast block");
	case IPL_DAMMOD:
		return fmt::format(fmt::runtime(ngettext("adds {:d} point to damage", "adds {:d} points to damage", item._iPLDamMod)), item._iPLDamMod);
	case IPL_RNDARROWVEL:
		return _("fires random speed arrows");
	case IPL_SETDAM:
		return _("unusual item damage");
	case IPL_SETDUR:
		return _("altered durability");
	case IPL_ONEHAND:
		return _("one handed sword");
	case IPL_DRAINLIFE:
		return _("constantly lose hit points");
	case IPL_RNDSTEALLIFE:
		return _("life stealing");
	case IPL_NOMINSTR:
		return _("no strength requirement");
	case IPL_ADDACLIFE:
		if (item._iFMinDam == item._iFMaxDam)
			return fmt::format(fmt::runtime(_("lightning damage: {:d}")), item._iFMinDam);
		else
			return fmt::format(fmt::runtime(_("lightning damage: {:d}-{:d}")), item._iFMinDam, item._iFMaxDam);
	case IPL_ADDMANAAC:
		return _("charged bolts on hits");
	case IPL_DEVASTATION:
		return _("occasional triple damage");
	case IPL_DECAY:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "decaying {:+d}% damage")), item._iPLDam);
	case IPL_PERIL:
		return _("2x dmg to monst, 1x to you");
	case IPL_JESTERS:
		return std::string(_(/*xgettext:no-c-format*/ "Random 0 - 600% damage"));
	case IPL_CRYSTALLINE:
		return fmt::format(fmt::runtime(_(/*xgettext:no-c-format*/ "low dur, {:+d}% damage")), item._iPLDam);
	case IPL_DOPPELGANGER:
		return fmt::format(fmt::runtime(_("to hit: {:+d}%, {:+d}% damage")), item._iPLToHit, item._iPLDam);
	case IPL_ACDEMON:
		return _("extra AC vs demons");
	case IPL_ACUNDEAD:
		return _("extra AC vs undead");
	case IPL_MANATOLIFE:
		return _("50% Mana moved to Health");
	case IPL_LIFETOMANA:
		return _("40% Health moved to Mana");
	default:
		return _("Another ability (NW)");
	}
}

void DrawUniqueInfo(const Surface &out)
{
	const Point position = DrawUniqueInfoWindow(out);

	Rectangle rect { position + Displacement { 32, 56 }, { 257, 0 } };
	const UniqueItem &uitem = UniqueItems[curruitem._iUid];
	DrawString(out, _(uitem.UIName), rect, { .flags = UiFlags::AlignCenter });

	const Rectangle dividerLineRect { position + Displacement { 26, 25 }, { 267, 3 } };
	out.BlitFrom(out, MakeSdlRect(dividerLineRect), dividerLineRect.position + Displacement { 0, 5 * 12 + 13 });

	rect.position.y += (10 - uitem.UINumPL) * 12;
	assert(uitem.UINumPL <= sizeof(uitem.powers) / sizeof(*uitem.powers));
	for (const auto &power : uitem.powers) {
		if (power.type == IPL_INVALID)
			break;
		rect.position.y += 2 * 12;
		DrawString(out, PrintItemPower(power.type, curruitem), rect,
		    { .flags = UiFlags::ColorWhite | UiFlags::AlignCenter });
	}
}

void PrintItemDetails(const Item &item)
{
	if (HeadlessMode)
		return;

	if (item._iClass == ICLASS_WEAPON) {
		if (item._iMinDam == item._iMaxDam) {
			if (item._iMaxDur == DUR_INDESTRUCTIBLE)
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}  Indestructible")), item._iMinDam));
			else
				AddPanelString(fmt::format(fmt::runtime(_(/* TRANSLATORS: Dur: is durability */ "damage: {:d}  Dur: {:d}/{:d}")), item._iMinDam, item._iDurability, item._iMaxDur));
		} else {
			if (item._iMaxDur == DUR_INDESTRUCTIBLE)
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}-{:d}  Indestructible")), item._iMinDam, item._iMaxDam));
			else
				AddPanelString(fmt::format(fmt::runtime(_(/* TRANSLATORS: Dur: is durability */ "damage: {:d}-{:d}  Dur: {:d}/{:d}")), item._iMinDam, item._iMaxDam, item._iDurability, item._iMaxDur));
		}
	}
	if (item._iClass == ICLASS_ARMOR) {
		if (item._iMaxDur == DUR_INDESTRUCTIBLE)
			AddPanelString(fmt::format(fmt::runtime(_("armor: {:d}  Indestructible")), item._iAC));
		else
			AddPanelString(fmt::format(fmt::runtime(_(/* TRANSLATORS: Dur: is durability */ "armor: {:d}  Dur: {:d}/{:d}")), item._iAC, item._iDurability, item._iMaxDur));
	}
	if (item._iMiscId == IMISC_STAFF && item._iMaxCharges != 0) {
		AddPanelString(fmt::format(fmt::runtime(_("Charges: {:d}/{:d}")), item._iCharges, item._iMaxCharges));
	}
	if (item._iPrePower != -1) {
		AddPanelString(PrintItemPower(item._iPrePower, item));
	}
	if (item._iSufPower != -1) {
		AddPanelString(PrintItemPower(item._iSufPower, item));
	}
	if (item._iMagical == ITEM_QUALITY_UNIQUE) {
		AddPanelString(_("unique item"));
		ShowUniqueItemInfoBox = true;
		curruitem = item;
	}
	PrintItemInfo(item);
}

void PrintItemDur(const Item &item)
{
	if (HeadlessMode)
		return;

	if (item._iClass == ICLASS_WEAPON) {
		if (item._iMinDam == item._iMaxDam) {
			if (item._iMaxDur == DUR_INDESTRUCTIBLE)
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}  Indestructible")), item._iMinDam));
			else
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}  Dur: {:d}/{:d}")), item._iMinDam, item._iDurability, item._iMaxDur));
		} else {
			if (item._iMaxDur == DUR_INDESTRUCTIBLE)
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}-{:d}  Indestructible")), item._iMinDam, item._iMaxDam));
			else
				AddPanelString(fmt::format(fmt::runtime(_("damage: {:d}-{:d}  Dur: {:d}/{:d}")), item._iMinDam, item._iMaxDam, item._iDurability, item._iMaxDur));
		}
		if (item._iMiscId == IMISC_STAFF && item._iMaxCharges > 0) {
			AddPanelString(fmt::format(fmt::runtime(_("Charges: {:d}/{:d}")), item._iCharges, item._iMaxCharges));
		}
		if (item._iMagical != ITEM_QUALITY_NORMAL)
			AddPanelString(_("Not Identified"));
	}
	if (item._iClass == ICLASS_ARMOR) {
		if (item._iMaxDur == DUR_INDESTRUCTIBLE)
			AddPanelString(fmt::format(fmt::runtime(_("armor: {:d}  Indestructible")), item._iAC));
		else
			AddPanelString(fmt::format(fmt::runtime(_("armor: {:d}  Dur: {:d}/{:d}")), item._iAC, item._iDurability, item._iMaxDur));
		if (item._iMagical != ITEM_QUALITY_NORMAL)
			AddPanelString(_("Not Identified"));
		if (item._iMiscId == IMISC_STAFF && item._iMaxCharges > 0) {
			AddPanelString(fmt::format(fmt::runtime(_("Charges: {:d}/{:d}")), item._iCharges, item._iMaxCharges));
		}
	}
	if (IsAnyOf(item._itype, ItemType::Ring, ItemType::Amulet))
		AddPanelString(_("Not Identified"));
	PrintItemInfo(item);
}

void UseItem(Player &player, item_misc_id mid, SpellID spellID, int spellFrom)
{
	std::optional<SpellID> prepareSpellID;

	switch (mid) {
	case IMISC_HEAL:
		player.RestorePartialLife();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Health);
		}
		break;
	case IMISC_FULLHEAL:
		player.RestoreFullLife();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Health);
		}
		break;
	case IMISC_MANA:
		player.RestorePartialMana();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Mana);
		}
		break;
	case IMISC_FULLMANA:
		player.RestoreFullMana();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Mana);
		}
		break;
	case IMISC_ELIXSTR:
		ModifyPlrStr(player, 1);
		break;
	case IMISC_ELIXMAG:
		ModifyPlrMag(player, 1);
		if (gbIsHellfire) {
			player.RestoreFullMana();
			if (&player == MyPlayer) {
				RedrawComponent(PanelDrawComponent::Mana);
			}
		}
		break;
	case IMISC_ELIXDEX:
		ModifyPlrDex(player, 1);
		break;
	case IMISC_ELIXVIT:
		ModifyPlrVit(player, 1);
		if (gbIsHellfire) {
			player.RestoreFullLife();
			if (&player == MyPlayer) {
				RedrawComponent(PanelDrawComponent::Health);
			}
		}
		break;
	case IMISC_REJUV: {
		player.RestorePartialLife();
		player.RestorePartialMana();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Health);
			RedrawComponent(PanelDrawComponent::Mana);
		}
	} break;
	case IMISC_FULLREJUV:
	case IMISC_ARENAPOT:
		player.RestoreFullLife();
		player.RestoreFullMana();
		if (&player == MyPlayer) {
			RedrawComponent(PanelDrawComponent::Health);
			RedrawComponent(PanelDrawComponent::Mana);
		}
		break;
	case IMISC_SCROLL:
	case IMISC_SCROLLT:
		if (ControlMode == ControlTypes::KeyboardAndMouse && GetSpellData(spellID).isTargeted()) {
			prepareSpellID = spellID;
		} else {
			const int spellLevel = player.GetSpellLevel(spellID);
			// Find a valid target for the spell because tile coords
			// will be validated when processing the network message
			Point target = cursPosition;
			if (!InDungeonBounds(target))
				target = player.position.future + Displacement(player._pdir);
			// Use CMD_SPELLXY because it's the same behavior as normal casting
			assert(IsValidSpellFrom(spellFrom));
			NetSendCmdLocParam4(true, CMD_SPELLXY, target, static_cast<int8_t>(spellID), static_cast<uint8_t>(SpellType::Scroll), spellLevel, static_cast<uint16_t>(spellFrom));
		}
		break;
	case IMISC_BOOK: {
		uint8_t newSpellLevel = player._pSplLvl[static_cast<int8_t>(spellID)] + 1;
		if (newSpellLevel <= MaxSpellLevel) {
			player._pSplLvl[static_cast<int8_t>(spellID)] = newSpellLevel;
			NetSendCmdParam2(true, CMD_CHANGE_SPELL_LEVEL, static_cast<uint16_t>(spellID), newSpellLevel);
		}
		if (HasNoneOf(player._pIFlags, ItemSpecialEffect::NoMana)) {
			player._pMana += GetSpellData(spellID).sManaCost << 6;
			player._pMana = std::min(player._pMana, player._pMaxMana);
			player._pManaBase += GetSpellData(spellID).sManaCost << 6;
			player._pManaBase = std::min(player._pManaBase, player._pMaxManaBase);
		}
		if (&player == MyPlayer) {
			for (Item &item : InventoryPlayerItemsRange { player }) {
				item.updateRequiredStatsCacheForPlayer(player);
			}
			if (IsStashOpen) {
				Stash.RefreshItemStatFlags();
			}
		}
		RedrawComponent(PanelDrawComponent::Mana);
	} break;
	case IMISC_MAPOFDOOM:
		doom_init();
		break;
	case IMISC_OILACC:
	case IMISC_OILMAST:
	case IMISC_OILSHARP:
	case IMISC_OILDEATH:
	case IMISC_OILSKILL:
	case IMISC_OILBSMTH:
	case IMISC_OILFORT:
	case IMISC_OILPERM:
	case IMISC_OILHARD:
	case IMISC_OILIMP:
		player._pOilType = mid;
		if (&player != MyPlayer) {
			return;
		}
		if (sbookflag) {
			sbookflag = false;
		}
		if (!invflag) {
			invflag = true;
		}
		NewCursor(CURSOR_OIL);
		break;
	case IMISC_SPECELIX:
		ModifyPlrStr(player, 3);
		ModifyPlrMag(player, 3);
		ModifyPlrDex(player, 3);
		ModifyPlrVit(player, 3);
		break;
	case IMISC_RUNEF:
		prepareSpellID = SpellID::RuneOfFire;
		break;
	case IMISC_RUNEL:
		prepareSpellID = SpellID::RuneOfLight;
		break;
	case IMISC_GR_RUNEL:
		prepareSpellID = SpellID::RuneOfNova;
		break;
	case IMISC_GR_RUNEF:
		prepareSpellID = SpellID::RuneOfImmolation;
		break;
	case IMISC_RUNES:
		prepareSpellID = SpellID::RuneOfStone;
		break;
	default:
		break;
	}

	if (prepareSpellID) {
		assert(IsValidSpellFrom(spellFrom));
		player.inventorySpell = *prepareSpellID;
		player.spellFrom = spellFrom;
		if (&player == MyPlayer)
			NewCursor(CURSOR_TELEPORT);
	}
}

bool UseItemOpensHive(const Item &item, Point position)
{
	if (item.IDidx != IDI_RUNEBOMB)
		return false;
	for (auto dir : PathDirs) {
		Point adjacentPosition = position + dir;
		if (OpensHive(adjacentPosition))
			return true;
	}
	return false;
}

bool UseItemOpensGrave(const Item &item, Point position)
{
	if (item.IDidx != IDI_MAPOFDOOM)
		return false;
	for (auto dir : PathDirs) {
		Point adjacentPosition = position + dir;
		if (OpensGrave(adjacentPosition))
			return true;
	}
	return false;
}

void SpawnSmith(int lvl)
{
	constexpr int PinnedItemCount = 0;

	int maxValue = 140000;
	int maxItems = 19;
	if (gbIsHellfire) {
		maxValue = 200000;
		maxItems = 24;
	}

	int iCnt = RandomIntBetween(10, maxItems);
	for (int i = 0; i < iCnt; i++) {
		Item &newItem = smithitem[i];

		do {
			newItem = {};
			newItem._iSeed = AdvanceRndSeed();
			SetRndSeed(newItem._iSeed);
			_item_indexes itemData = RndSmithItem(*MyPlayer, lvl);
			GetItemAttrs(newItem, itemData, lvl);
		} while (newItem._iIvalue > maxValue);

		newItem._iCreateInfo = lvl | CF_SMITH;
		newItem._iIdentified = true;
	}
	for (int i = iCnt; i < SMITH_ITEMS; i++)
		smithitem[i].clear();

	SortVendor(smithitem + PinnedItemCount);
}

void SpawnPremium(const Player &player)
{
	int lvl = player.getCharacterLevel();
	int maxItems = gbIsHellfire ? SMITH_PREMIUM_ITEMS : 6;
	if (numpremium < maxItems) {
		for (int i = 0; i < maxItems; i++) {
			if (premiumitems[i].isEmpty()) {
				int plvl = premiumlevel + (gbIsHellfire ? premiumLvlAddHellfire[i] : premiumlvladd[i]);
				SpawnOnePremium(premiumitems[i], plvl, player);
			}
		}
		numpremium = maxItems;
	}
	while (premiumlevel < lvl) {
		premiumlevel++;
		if (gbIsHellfire) {
			// Discard first 3 items and shift next 10
			std::move(&premiumitems[3], &premiumitems[12] + 1, &premiumitems[0]);
			SpawnOnePremium(premiumitems[10], premiumlevel + premiumLvlAddHellfire[10], player);
			premiumitems[11] = premiumitems[13];
			SpawnOnePremium(premiumitems[12], premiumlevel + premiumLvlAddHellfire[12], player);
			premiumitems[13] = premiumitems[14];
			SpawnOnePremium(premiumitems[14], premiumlevel + premiumLvlAddHellfire[14], player);
		} else {
			// Discard first 2 items and shift next 3
			std::move(&premiumitems[2], &premiumitems[4] + 1, &premiumitems[0]);
			SpawnOnePremium(premiumitems[3], premiumlevel + premiumlvladd[3], player);
			premiumitems[4] = premiumitems[5];
			SpawnOnePremium(premiumitems[5], premiumlevel + premiumlvladd[5], player);
		}
	}
}

void SpawnWitch(int lvl)
{
	constexpr int PinnedItemCount = 3;
	constexpr std::array<_item_indexes, PinnedItemCount> PinnedItemTypes = { IDI_MANA, IDI_FULLMANA, IDI_PORTAL };
	constexpr int MaxPinnedBookCount = 4;
	constexpr std::array<_item_indexes, MaxPinnedBookCount> PinnedBookTypes = { IDI_BOOK1, IDI_BOOK2, IDI_BOOK3, IDI_BOOK4 };

	int bookCount = 0;
	const int pinnedBookCount = gbIsHellfire ? RandomIntLessThan(MaxPinnedBookCount) : 0;
	const int itemCount = RandomIntBetween(10, gbIsHellfire ? 24 : 17);
	const int maxValue = gbIsHellfire ? 200000 : 140000;

	for (int i = 0; i < WITCH_ITEMS; i++) {
		Item &item = witchitem[i];
		item = {};

		if (i < PinnedItemCount) {
			item._iSeed = AdvanceRndSeed();
			GetItemAttrs(item, PinnedItemTypes[i], 1);
			item._iCreateInfo = lvl;
			item._iStatFlag = true;
			continue;
		}

		if (gbIsHellfire) {
			if (i < PinnedItemCount + MaxPinnedBookCount && bookCount < pinnedBookCount) {
				_item_indexes bookType = PinnedBookTypes[i - PinnedItemCount];
				if (lvl >= AllItemsList[bookType].iMinMLvl) {
					item._iSeed = AdvanceRndSeed();
					SetRndSeed(item._iSeed);
					DiscardRandomValues(1);
					GetItemAttrs(item, bookType, lvl);
					item._iCreateInfo = lvl | CF_WITCH;
					item._iIdentified = true;
					bookCount++;
					continue;
				}
			}
		}

		if (i >= itemCount) {
			item.clear();
			continue;
		}

		do {
			item = {};
			item._iSeed = AdvanceRndSeed();
			SetRndSeed(item._iSeed);
			_item_indexes itemData = RndWitchItem(*MyPlayer, lvl);
			GetItemAttrs(item, itemData, lvl);
			int maxlvl = -1;
			if (GenerateRnd(100) <= 5)
				maxlvl = 2 * lvl;
			if (maxlvl == -1 && item._iMiscId == IMISC_STAFF)
				maxlvl = 2 * lvl;
			if (maxlvl != -1)
				GetItemBonus(*MyPlayer, item, maxlvl / 2, maxlvl, true, true);
		} while (item._iIvalue > maxValue);

		item._iCreateInfo = lvl | CF_WITCH;
		item._iIdentified = true;
	}

	SortVendor(witchitem + PinnedItemCount);
}

void SpawnBoy(int lvl)
{
	int ivalue = 0;
	bool keepgoing = false;
	int count = 0;

	Player &myPlayer = *MyPlayer;

	HeroClass pc = myPlayer._pClass;
	int strength = std::max(myPlayer.GetMaximumAttributeValue(CharacterAttribute::Strength), myPlayer._pStrength);
	int dexterity = std::max(myPlayer.GetMaximumAttributeValue(CharacterAttribute::Dexterity), myPlayer._pDexterity);
	int magic = std::max(myPlayer.GetMaximumAttributeValue(CharacterAttribute::Magic), myPlayer._pMagic);
	strength += strength / 5;
	dexterity += dexterity / 5;
	magic += magic / 5;

	if (boylevel >= (lvl / 2) && !boyitem.isEmpty())
		return;
	do {
		keepgoing = false;
		boyitem = {};
		boyitem._iSeed = AdvanceRndSeed();
		SetRndSeed(boyitem._iSeed);
		_item_indexes itype = RndBoyItem(*MyPlayer, lvl);
		GetItemAttrs(boyitem, itype, lvl);
		GetItemBonus(*MyPlayer, boyitem, lvl, 2 * lvl, true, true);

		if (!gbIsHellfire) {
			if (boyitem._iIvalue > 90000) {
				keepgoing = true; // prevent breaking the do/while loop too early by failing hellfire's condition in while
				continue;
			}
			break;
		}

		ivalue = 0;

		ItemType itemType = boyitem._itype;

		switch (itemType) {
		case ItemType::LightArmor:
		case ItemType::MediumArmor:
		case ItemType::HeavyArmor: {
			const auto *const mostValuablePlayerArmor = myPlayer.GetMostValuableItem(
			    [](const Item &item) {
				    return IsAnyOf(item._itype, ItemType::LightArmor, ItemType::MediumArmor, ItemType::HeavyArmor);
			    });

			ivalue = mostValuablePlayerArmor == nullptr ? 0 : mostValuablePlayerArmor->_iIvalue;
			break;
		}
		case ItemType::Shield:
		case ItemType::Axe:
		case ItemType::Bow:
		case ItemType::Mace:
		case ItemType::Sword:
		case ItemType::Helm:
		case ItemType::Staff:
		case ItemType::Ring:
		case ItemType::Amulet: {
			const auto *const mostValuablePlayerItem = myPlayer.GetMostValuableItem(
			    [itemType](const Item &item) { return item._itype == itemType; });

			ivalue = mostValuablePlayerItem == nullptr ? 0 : mostValuablePlayerItem->_iIvalue;
			break;
		}
		default:
			app_fatal("Invalid item spawn");
		}
		ivalue = ivalue * 4 / 5; // avoids forced int > float > int conversion

		count++;

		if (count < 200) {
			switch (pc) {
			case HeroClass::Warrior:
				if (IsAnyOf(itemType, ItemType::Bow, ItemType::Staff))
					ivalue = INT_MAX;
				break;
			case HeroClass::Rogue:
				if (IsAnyOf(itemType, ItemType::Sword, ItemType::Staff, ItemType::Axe, ItemType::Mace, ItemType::Shield))
					ivalue = INT_MAX;
				break;
			case HeroClass::Sorcerer:
				if (IsAnyOf(itemType, ItemType::Staff, ItemType::Axe, ItemType::Bow, ItemType::Mace))
					ivalue = INT_MAX;
				break;
			case HeroClass::Monk:
				if (IsAnyOf(itemType, ItemType::Bow, ItemType::MediumArmor, ItemType::Shield, ItemType::Mace))
					ivalue = INT_MAX;
				break;
			case HeroClass::Bard:
				if (IsAnyOf(itemType, ItemType::Axe, ItemType::Mace, ItemType::Staff))
					ivalue = INT_MAX;
				break;
			case HeroClass::Barbarian:
				if (IsAnyOf(itemType, ItemType::Bow, ItemType::Staff))
					ivalue = INT_MAX;
				break;
			}
		}
	} while (keepgoing
	    || ((
	            boyitem._iIvalue > 200000
	            || boyitem._iMinStr > strength
	            || boyitem._iMinMag > magic
	            || boyitem._iMinDex > dexterity
	            || boyitem._iIvalue < ivalue)
	        && count < 250));
	boyitem._iCreateInfo = lvl | CF_BOY;
	boyitem._iIdentified = true;
	boylevel = lvl / 2;
}

void SpawnHealer(int lvl)
{
	constexpr size_t PinnedItemCount = 2;
	constexpr std::array<_item_indexes, PinnedItemCount + 1> PinnedItemTypes = { IDI_HEAL, IDI_FULLHEAL, IDI_RESURRECT };
	const auto itemCount = static_cast<size_t>(RandomIntBetween(10, gbIsHellfire ? 19 : 17));

	for (size_t i = 0; i < sizeof(healitem) / sizeof(healitem[0]); ++i) {
		Item &item = healitem[i];
		item = {};

		if (i < PinnedItemCount || (gbIsMultiplayer && i == PinnedItemCount)) {
			item._iSeed = AdvanceRndSeed();
			GetItemAttrs(item, PinnedItemTypes[i], 1);
			item._iCreateInfo = lvl;
			item._iStatFlag = true;
			continue;
		}

		if (i >= itemCount) {
			item.clear();
			continue;
		}

		item._iSeed = AdvanceRndSeed();
		SetRndSeed(item._iSeed);
		_item_indexes itype = RndHealerItem(*MyPlayer, lvl);
		GetItemAttrs(item, itype, lvl);
		item._iCreateInfo = lvl | CF_HEALER;
		item._iIdentified = true;
	}

	SortVendor(healitem + PinnedItemCount);
}

void MakeGoldStack(Item &goldItem, int value)
{
	InitializeItem(goldItem, IDI_GOLD);
	GenerateNewSeed(goldItem);
	goldItem._iStatFlag = true;
	goldItem._ivalue = value;
	SetPlrHandGoldCurs(goldItem);
}

int ItemNoFlippy()
{
	int r = ActiveItems[ActiveItemCount - 1];
	Items[r].AnimInfo.currentFrame = Items[r].AnimInfo.numberOfFrames - 1;
	Items[r]._iAnimFlag = false;
	Items[r].selectionRegion = SelectionRegion::Bottom;

	return r;
}

void CreateSpellBook(Point position, SpellID ispell, bool sendmsg, bool delta)
{
	int lvl = currlevel;

	if (gbIsHellfire) {
		lvl = GetSpellBookLevel(ispell) + 1;
		if (lvl < 1) {
			return;
		}
	}

	_item_indexes idx = RndTypeItems(ItemType::Misc, IMISC_BOOK, lvl);
	if (ActiveItemCount >= MAXITEMS)
		return;

	int ii = AllocateItem();
	auto &item = Items[ii];

	while (true) {
		item = {};
		SetupAllItems(*MyPlayer, item, idx, AdvanceRndSeed(), 2 * lvl, 1, true, delta);
		SetupItem(item);
		if (item._iMiscId == IMISC_BOOK && item._iSpell == ispell)
			break;
	}
	GetSuperItemSpace(position, ii);

	if (sendmsg)
		NetSendCmdPItem(false, CMD_DROPITEM, item.position, item);
	if (delta)
		DeltaAddItem(ii);
}

void CreateMagicArmor(Point position, ItemType itemType, int icurs, bool sendmsg, bool delta)
{
	int lvl = ItemsGetCurrlevel();
	CreateMagicItem(position, lvl, itemType, IMISC_NONE, icurs, sendmsg, delta);
}

void CreateAmulet(Point position, int lvl, bool sendmsg, bool delta, bool spawn /*= false*/)
{
	CreateMagicItem(position, lvl, ItemType::Amulet, IMISC_AMULET, ICURS_AMULET, sendmsg, delta, spawn);
}

void CreateMagicWeapon(Point position, ItemType itemType, int icurs, bool sendmsg, bool delta)
{
	int imid = IMISC_NONE;
	if (itemType == ItemType::Staff)
		imid = IMISC_STAFF;

	int curlv = ItemsGetCurrlevel();

	CreateMagicItem(position, curlv, itemType, imid, icurs, sendmsg, delta);
}

bool GetItemRecord(uint32_t nSeed, uint16_t wCI, int nIndex)
{
	uint32_t ticks = SDL_GetTicks();

	for (int i = 0; i < gnNumGetRecords; i++) {
		if (ticks - itemrecord[i].dwTimestamp > 6000) {
			// BUGFIX: loot actions for multiple quest items with same seed (e.g. blood stone) performed within less than 6 seconds will be ignored.
			NextItemRecord(i);
			i--;
		} else if (nSeed == itemrecord[i].nSeed && wCI == itemrecord[i].wCI && nIndex == itemrecord[i].nIndex) {
			return false;
		}
	}

	return true;
}

void SetItemRecord(uint32_t nSeed, uint16_t wCI, int nIndex)
{
	uint32_t ticks = SDL_GetTicks();

	if (gnNumGetRecords == MAXITEMS) {
		return;
	}

	itemrecord[gnNumGetRecords].dwTimestamp = ticks;
	itemrecord[gnNumGetRecords].nSeed = nSeed;
	itemrecord[gnNumGetRecords].wCI = wCI;
	itemrecord[gnNumGetRecords].nIndex = nIndex;
	gnNumGetRecords++;
}

void PutItemRecord(uint32_t nSeed, uint16_t wCI, int nIndex)
{
	uint32_t ticks = SDL_GetTicks();

	for (int i = 0; i < gnNumGetRecords; i++) {
		if (ticks - itemrecord[i].dwTimestamp > 6000) {
			NextItemRecord(i);
			i--;
		} else if (nSeed == itemrecord[i].nSeed && wCI == itemrecord[i].wCI && nIndex == itemrecord[i].nIndex) {
			NextItemRecord(i);
			break;
		}
	}
}

bool Item::isUsable() const
{
	if (IDidx == IDI_SPECELIX && Quests[Q_MUSHROOM]._qactive != QUEST_DONE)
		return false;
	return AllItemsList[IDidx].iUsable;
}

void Item::setNewAnimation(bool showAnimation)
{
	int8_t it = ItemCAnimTbl[_iCurs];
	int8_t numberOfFrames = ItemAnimLs[it];
	OptionalClxSpriteList sprite = itemanims[it] ? OptionalClxSpriteList { *itemanims[static_cast<size_t>(it)] } : std::nullopt;
	if (_iCurs != ICURS_MAGIC_ROCK)
		AnimInfo.setNewAnimation(sprite, numberOfFrames, 1, AnimationDistributionFlags::ProcessAnimationPending, 0, numberOfFrames);
	else
		AnimInfo.setNewAnimation(sprite, numberOfFrames, 1);
	_iPostDraw = false;
	_iRequest = false;
	if (showAnimation) {
		_iAnimFlag = true;
		selectionRegion = SelectionRegion::None;
	} else {
		AnimInfo.currentFrame = AnimInfo.numberOfFrames - 1;
		_iAnimFlag = false;
		selectionRegion = SelectionRegion::Bottom;
	}
}

void Item::updateRequiredStatsCacheForPlayer(const Player &player)
{
	if (_itype == ItemType::Misc && _iMiscId == IMISC_BOOK) {
		_iMinMag = GetSpellData(_iSpell).minInt;
		int8_t spellLevel = player._pSplLvl[static_cast<int8_t>(_iSpell)];
		while (spellLevel != 0) {
			_iMinMag += 20 * _iMinMag / 100;
			spellLevel--;
			if (_iMinMag + 20 * _iMinMag / 100 > 255) {
				_iMinMag = 255;
				spellLevel = 0;
			}
		}
	}
	_iStatFlag = player.CanUseItem(*this);
}

StringOrView Item::getName() const
{
	if (isEmpty()) {
		return std::string_view("");
	} else if (!_iIdentified || _iCreateInfo == 0 || _iMagical == ITEM_QUALITY_NORMAL) {
		return GetTranslatedItemName(*this);
	} else if (_iMagical == ITEM_QUALITY_UNIQUE) {
		return _(UniqueItems[_iUid].UIName);
	} else {
		return GetTranslatedItemNameMagical(*this, dwBuff & CF_HELLFIRE, true, std::nullopt);
	}
}

bool CornerStoneStruct::isAvailable()
{
	return currlevel == 21 && !gbIsMultiplayer;
}

void initItemGetRecords()
{
	memset(itemrecord, 0, sizeof(itemrecord));
	gnNumGetRecords = 0;
}

void RepairItem(Item &item, int lvl)
{
	if (item._iDurability == item._iMaxDur) {
		return;
	}

	if (item._iMaxDur <= 0) {
		item.clear();
		return;
	}

	int rep = 0;
	do {
		rep += lvl + GenerateRnd(lvl);
		item._iMaxDur -= std::max(item._iMaxDur / (lvl + 9), 1);
		if (item._iMaxDur == 0) {
			item.clear();
			return;
		}
	} while (rep + item._iDurability < item._iMaxDur);

	item._iDurability = std::min<int>(item._iDurability + rep, item._iMaxDur);
}

void RechargeItem(Item &item, Player &player)
{
	if (item._itype != ItemType::Staff || !IsValidSpell(item._iSpell))
		return;

	if (item._iCharges == item._iMaxCharges)
		return;

	int rechargeStrength = RandomIntBetween(1, player.getCharacterLevel() / GetSpellStaffLevel(item._iSpell));

	do {
		item._iMaxCharges--;
		if (item._iMaxCharges == 0) {
			return;
		}
		item._iCharges += rechargeStrength;
	} while (item._iCharges < item._iMaxCharges);

	item._iCharges = std::min(item._iCharges, item._iMaxCharges);

	if (&player != MyPlayer)
		return;
	if (&item == &player.InvBody[INVLOC_HAND_LEFT]) {
		NetSendCmdChItem(true, INVLOC_HAND_LEFT);
		return;
	}
	if (&item == &player.InvBody[INVLOC_HAND_RIGHT]) {
		NetSendCmdChItem(true, INVLOC_HAND_RIGHT);
		return;
	}
	for (int i = 0; i < player._pNumInv; i++) {
		if (&item == &player.InvList[i]) {
			NetSyncInvItem(player, i);
			break;
		}
	}
}

bool ApplyOilToItem(Item &item, Player &player)
{
	int r;

	if (item._iClass == ICLASS_MISC) {
		return false;
	}
	if (item._iClass == ICLASS_GOLD) {
		return false;
	}
	if (item._iClass == ICLASS_QUEST) {
		return false;
	}

	switch (player._pOilType) {
	case IMISC_OILACC:
	case IMISC_OILMAST:
	case IMISC_OILSHARP:
		if (item._iClass == ICLASS_ARMOR) {
			return false;
		}
		break;
	case IMISC_OILDEATH:
		if (item._iClass == ICLASS_ARMOR) {
			return false;
		}
		if (item._itype == ItemType::Bow) {
			return false;
		}
		break;
	case IMISC_OILHARD:
	case IMISC_OILIMP:
		if (item._iClass == ICLASS_WEAPON) {
			return false;
		}
		break;
	default:
		break;
	}

	switch (player._pOilType) {
	case IMISC_OILACC:
		if (item._iPLToHit < 50) {
			item._iPLToHit += RandomIntBetween(1, 2);
		}
		break;
	case IMISC_OILMAST:
		if (item._iPLToHit < 100) {
			item._iPLToHit += RandomIntBetween(3, 5);
		}
		break;
	case IMISC_OILSHARP:
		if (item._iMaxDam - item._iMinDam < 30 && item._iMaxDam < 255) {
			item._iMaxDam = item._iMaxDam + 1;
		}
		break;
	case IMISC_OILDEATH:
		if (item._iMaxDam - item._iMinDam < 30 && item._iMaxDam < 254) {
			item._iMinDam = item._iMinDam + 1;
			item._iMaxDam = item._iMaxDam + 2;
		}
		break;
	case IMISC_OILSKILL:
		r = RandomIntBetween(5, 10);
		item._iMinStr = std::max(0, item._iMinStr - r);
		item._iMinMag = std::max(0, item._iMinMag - r);
		item._iMinDex = std::max(0, item._iMinDex - r);
		break;
	case IMISC_OILBSMTH:
		if (item._iMaxDur == DUR_INDESTRUCTIBLE)
			return true;
		if (item._iDurability < item._iMaxDur) {
			item._iDurability = (item._iMaxDur + 4) / 5 + item._iDurability;
			item._iDurability = std::min<int>(item._iDurability, item._iMaxDur);
		} else {
			if (item._iMaxDur >= 100) {
				return true;
			}
			item._iMaxDur++;
			item._iDurability = item._iMaxDur;
		}
		break;
	case IMISC_OILFORT:
		if (item._iMaxDur != DUR_INDESTRUCTIBLE && item._iMaxDur < 200) {
			r = RandomIntBetween(10, 50);
			item._iMaxDur += r;
			item._iDurability += r;
		}
		break;
	case IMISC_OILPERM:
		item._iDurability = DUR_INDESTRUCTIBLE;
		item._iMaxDur = DUR_INDESTRUCTIBLE;
		break;
	case IMISC_OILHARD:
		if (item._iAC < 60) {
			item._iAC += RandomIntBetween(1, 2);
		}
		break;
	case IMISC_OILIMP:
		if (item._iAC < 120) {
			item._iAC += RandomIntBetween(3, 5);
		}
		break;
	default:
		return false;
	}
	return true;
}

void UpdateHellfireFlag(Item &item, const char *identifiedItemName)
{
	// DevilutionX support vanilla and hellfire items in one save file and for that introduced CF_HELLFIRE
	// But vanilla hellfire items don't have CF_HELLFIRE set in Item::dwBuff
	// This functions tries to set this flag for vanilla hellfire items based on the item name
	// This ensures that Item::getName() returns the correct translated item name
	if (item.dwBuff & CF_HELLFIRE)
		return; // Item is already a hellfire item
	if (item._iMagical != ITEM_QUALITY_MAGIC)
		return; // Only magic item's name can differ between diablo and hellfire
	if (gbIsMultiplayer)
		return; // Vanilla hellfire multiplayer is not supported in devilutionX, so there can't be items with missing dwBuff from there
	// We need to test both short and long name, because StringInPanel can return a different result (other font and some bugfixes)
	std::string diabloItemNameShort = GetTranslatedItemNameMagical(item, false, false, false);
	if (diabloItemNameShort == identifiedItemName)
		return; // Diablo item name is identical => not a hellfire specific item
	std::string diabloItemNameLong = GetTranslatedItemNameMagical(item, false, false, true);
	if (diabloItemNameLong == identifiedItemName)
		return; // Diablo item name is identical => not a hellfire specific item
	std::string hellfireItemNameShort = GetTranslatedItemNameMagical(item, true, false, false);
	std::string hellfireItemNameLong = GetTranslatedItemNameMagical(item, true, false, true);
	if (hellfireItemNameShort == identifiedItemName || hellfireItemNameLong == identifiedItemName) {
		// This item should be a vanilla hellfire item that has CF_HELLFIRE missing, cause only then the item name matches
		item.dwBuff |= CF_HELLFIRE;
	}
}

} // namespace devilution