/** * @file missiles.cpp * * Implementation of missile functionality. */ #include "missiles.h" #include #include "control.h" #include "controls/plrctrls.h" #include "cursor.h" #include "dead.h" #ifdef _DEBUG #include "debug.h" #endif #include "engine/cel_header.hpp" #include "engine/load_file.hpp" #include "engine/random.hpp" #include "init.h" #include "inv.h" #include "levels/trigs.h" #include "lighting.h" #include "monster.h" #include "spells.h" namespace devilution { std::list Missiles; bool MissilePreFlag; namespace { int AddClassHealingBonus(int hp, HeroClass heroClass) { switch (heroClass) { case HeroClass::Warrior: case HeroClass::Monk: case HeroClass::Barbarian: return hp * 2; case HeroClass::Rogue: case HeroClass::Bard: return hp + hp / 2; default: return hp; } } int ScaleSpellEffect(int base, int spellLevel) { for (int i = 0; i < spellLevel; i++) { base += base / 8; } return base; } int GenerateRndSum(int range, int iterations) { int value = 0; for (int i = 0; i < iterations; i++) { value += GenerateRnd(range); } return value; } bool CheckBlock(Point from, Point to) { while (from != to) { from += GetDirection(from, to); if (TileHasAny(dPiece[from.x][from.y], TileProperties::Solid)) return true; } return false; } Monster *FindClosest(Point source, int rad) { std::optional monsterPosition = FindClosestValidPosition( [&source](Point target) { // search for a monster with clear line of sight return InDungeonBounds(target) && dMonster[target.x][target.y] > 0 && !CheckBlock(source, target); }, source, 1, rad); if (monsterPosition) { int mid = dMonster[monsterPosition->x][monsterPosition->y]; return &Monsters[mid - 1]; } return nullptr; } constexpr Direction16 Direction16Flip(Direction16 x, Direction16 pivot) { std::underlying_type_t ret = (2 * static_cast>(pivot) + 16 - static_cast>(x)) % 16; return static_cast(ret); } void UpdateMissileVelocity(Missile &missile, Point destination, int velocityInPixels) { missile.position.velocity = { 0, 0 }; if (missile.position.tile == destination) return; // Get the normalized vector in isometric projection Displacement fixed16NormalVector = (missile.position.tile - destination).worldToNormalScreen(); // Multiplying by the target velocity gives us a scaled velocity vector. missile.position.velocity = fixed16NormalVector * velocityInPixels; } /** * @brief Add the missile to the lookup tables * @param i Missiles index */ void PutMissile(Missile &missile) { Point position = missile.position.tile; if (!InDungeonBounds(position)) missile._miDelFlag = true; if (missile._miDelFlag) { return; } dFlags[position.x][position.y] |= DungeonFlag::Missile; if (missile._miPreFlag) MissilePreFlag = true; } void UpdateMissilePos(Missile &missile) { Displacement pixelsTravelled = missile.position.traveled >> 16; Displacement tileOffset = pixelsTravelled.screenToMissile(); missile.position.tile = missile.position.start + tileOffset; missile.position.offset = pixelsTravelled + tileOffset.worldToScreen(); Displacement absoluteLightOffset = pixelsTravelled.screenToLight(); ChangeLightOffset(missile._mlid, absoluteLightOffset - tileOffset * 8); } /** * @brief Dodgy hack used to correct the position for charging monsters. * * If the monster represented by this missile is *not* facing north in some way it gets shifted to the south. * This appears to compensate for some visual oddity or invalid calculation earlier in the MI_Rhino logic. * @param missile MissileStruct representing a charging monster. */ void MoveMissilePos(Missile &missile) { Direction moveDirection; switch (static_cast(missile._mimfnum)) { case Direction::East: moveDirection = Direction::SouthEast; break; case Direction::West: moveDirection = Direction::SouthWest; break; case Direction::South: case Direction::SouthWest: case Direction::SouthEast: moveDirection = Direction::South; break; default: return; } auto target = missile.position.tile + moveDirection; if (IsTileAvailable(Monsters[missile._misource], target)) { missile.position.tile = target; missile.position.offset += Displacement(moveDirection).worldToScreen(); } } bool MonsterMHit(int pnum, int m, int mindam, int maxdam, int dist, missile_id t, bool shift) { auto &monster = Monsters[m]; if (!monster.IsPossibleToHit() || monster.IsImmune(t)) return false; int hit = GenerateRnd(100); int hper = 0; const Player &player = Players[pnum]; if (MissilesData[t].mType == 0) { hper = player.GetRangedPiercingToHit(); hper -= player.CalculateArmorPierce(monster.mArmorClass, false); hper -= (dist * dist) / 2; } else { hper = player.GetMagicToHit() - (monster.mLevel * 2) - dist; } hper = clamp(hper, 5, 95); if (monster._mmode == MonsterMode::Petrified) hit = 0; if (monster.TryLiftGargoyle()) return true; if (hit >= hper) { #ifdef _DEBUG if (!DebugGodMode) #endif return false; } int dam; if (t == MIS_BONESPIRIT) { dam = monster._mhitpoints / 3 >> 6; } else { dam = mindam + GenerateRnd(maxdam - mindam + 1); } if (MissilesData[t].mType == 0 && MissilesData[t].mResist == MISR_NONE) { dam = player._pIBonusDamMod + dam * player._pIBonusDam / 100 + dam; if (player._pClass == HeroClass::Rogue) dam += player._pDamageMod; else dam += player._pDamageMod / 2; if (monster.MData->mMonstClass == MonsterClass::Demon && HasAnyOf(player._pIFlags, ItemSpecialEffect::TripleDemonDamage)) dam *= 3; } bool resist = monster.IsResistant(t); if (!shift) dam <<= 6; if (resist) dam >>= 2; if (pnum == MyPlayerId) monster._mhitpoints -= dam; if ((gbIsHellfire && HasAnyOf(player._pIFlags, ItemSpecialEffect::NoHealOnMonsters)) || (!gbIsHellfire && HasAnyOf(player._pIFlags, ItemSpecialEffect::FireArrows))) monster._mFlags |= MFLAG_NOHEAL; if (monster._mhitpoints >> 6 <= 0) { M_StartKill(m, pnum); } else if (resist) { PlayEffect(monster, 1); } else { if (monster._mmode != MonsterMode::Petrified && MissilesData[t].mType == 0 && HasAnyOf(player._pIFlags, ItemSpecialEffect::Knockback)) M_GetKnockback(m); if (monster.MType->mtype != MT_GOLEM) M_StartHit(m, pnum, dam); } if (monster._msquelch == 0) { monster._msquelch = UINT8_MAX; monster.position.last = player.position.tile; } return true; } bool Plr2PlrMHit(int pnum, int p, int mindam, int maxdam, int dist, missile_id mtype, bool shift, bool *blocked) { Player &player = Players[pnum]; auto &target = Players[p]; if (sgGameInitInfo.bFriendlyFire == 0 && player.friendlyMode) return false; *blocked = false; if (target._pInvincible) { return false; } if (mtype == MIS_HBOLT) { return false; } if (HasAnyOf(target._pSpellFlags, SpellFlag::Etherealize) && MissilesData[mtype].mType == 0) { return false; } int8_t resper; switch (MissilesData[mtype].mResist) { case MISR_FIRE: resper = target._pFireResist; break; case MISR_LIGHTNING: resper = target._pLghtResist; break; case MISR_MAGIC: case MISR_ACID: resper = target._pMagResist; break; default: resper = 0; break; } int hper = GenerateRnd(100); int hit; if (MissilesData[mtype].mType == 0) { hit = player.GetRangedToHit() - (dist * dist / 2) - target.GetArmor(); } else { hit = player.GetMagicToHit() - (target._pLevel * 2) - dist; } hit = clamp(hit, 5, 95); if (hper >= hit) { return false; } int blkper = 100; if (!shift && (target._pmode == PM_STAND || target._pmode == PM_ATTACK) && target._pBlockFlag) { blkper = GenerateRnd(100); } int blk = target.GetBlockChance() - (player._pLevel * 2); blk = clamp(blk, 0, 100); int dam; if (mtype == MIS_BONESPIRIT) { dam = target._pHitPoints / 3; } else { dam = mindam + GenerateRnd(maxdam - mindam + 1); if (MissilesData[mtype].mType == 0 && MissilesData[mtype].mResist == MISR_NONE) dam += player._pIBonusDamMod + player._pDamageMod + dam * player._pIBonusDam / 100; if (!shift) dam <<= 6; } if (MissilesData[mtype].mType != 0) dam /= 2; if (resper > 0) { dam -= (dam * resper) / 100; if (pnum == MyPlayerId) NetSendCmdDamage(true, p, dam); target.Say(HeroSpeech::ArghClang); return true; } if (blkper < blk) { StartPlrBlock(p, GetDirection(target.position.tile, player.position.tile)); *blocked = true; } else { if (pnum == MyPlayerId) NetSendCmdDamage(true, p, dam); StartPlrHit(p, dam, false); } return true; } void RotateBlockedMissile(Missile &missile) { int rotation = GenerateRnd(2) != 0 ? 1 : -1; if (missile._miAnimType == MFILE_ARROWS) { int dir = missile._miAnimFrame + rotation; missile._miAnimFrame = (dir + 15) % 16 + 1; return; } int dir = missile._mimfnum + rotation; int mAnimFAmt = MissileSpriteData[missile._miAnimType].animFAmt; if (dir < 0) dir = mAnimFAmt - 1; else if (dir >= mAnimFAmt) dir = 0; SetMissDir(missile, dir); } void CheckMissileCol(Missile &missile, int minDamage, int maxDamage, bool isDamageShifted, Point position, bool dontDeleteOnCollision) { if (!InDungeonBounds(position)) return; int mx = position.x; int my = position.y; bool isMonsterHit = false; int mid = dMonster[mx][my]; if (mid > 0 || (mid != 0 && Monsters[abs(mid) - 1]._mmode == MonsterMode::Petrified)) { mid = abs(mid) - 1; if (missile.IsTrap() || (missile._micaster == TARGET_PLAYERS && (Monsters[missile._misource]._mFlags & MFLAG_TARGETS_MONSTER) != 0 && Monsters[missile._misource]._menemy == mid)) { isMonsterHit = MonsterTrapHit(mid, minDamage, maxDamage, missile._midist, missile._mitype, isDamageShifted); } else if (IsAnyOf(missile._micaster, TARGET_BOTH, TARGET_MONSTERS)) { isMonsterHit = MonsterMHit(missile._misource, mid, minDamage, maxDamage, missile._midist, missile._mitype, isDamageShifted); } } if (isMonsterHit) { if (!dontDeleteOnCollision) missile._mirange = 0; missile._miHitFlag = true; } bool isPlayerHit = false; bool blocked = false; const int8_t pid = dPlayer[mx][my]; if (pid > 0) { if (missile._micaster != TARGET_BOTH && !missile.IsTrap()) { if (missile._micaster == TARGET_MONSTERS) { if ((pid - 1) != missile._misource) isPlayerHit = Plr2PlrMHit(missile._misource, pid - 1, minDamage, maxDamage, missile._midist, missile._mitype, isDamageShifted, &blocked); } else { Monster &monster = Monsters[missile._misource]; isPlayerHit = PlayerMHit(pid - 1, &monster, missile._midist, minDamage, maxDamage, missile._mitype, isDamageShifted, 0, &blocked); } } else { int earflag = (!missile.IsTrap() && (missile._miAnimType == MFILE_FIREWAL || missile._miAnimType == MFILE_LGHNING)) ? 1 : 0; isPlayerHit = PlayerMHit(pid - 1, nullptr, missile._midist, minDamage, maxDamage, missile._mitype, isDamageShifted, earflag, &blocked); } } if (isPlayerHit) { if (gbIsHellfire && blocked) { RotateBlockedMissile(missile); } else if (!dontDeleteOnCollision) { missile._mirange = 0; } missile._miHitFlag = true; } if (IsMissileBlockedByTile({ mx, my })) { Object *object = ObjectAtPosition({ mx, my }); if (object != nullptr && object->IsBreakable()) { BreakObject(-1, *object); } if (!dontDeleteOnCollision) missile._mirange = 0; missile._miHitFlag = false; } if (missile._mirange == 0 && MissilesData[missile._mitype].miSFX != -1) PlaySfxLoc(MissilesData[missile._mitype].miSFX, missile.position.tile); } void MoveMissileAndCheckMissileCol(Missile &missile, int mindam, int maxdam, bool ignoreStart, bool ifCollidesDontMoveToHitTile) { Point prevTile = missile.position.tile; missile.position.traveled += missile.position.velocity; UpdateMissilePos(missile); int possibleVisitTiles; if (missile.position.velocity.deltaX == 0 || missile.position.velocity.deltaY == 0) possibleVisitTiles = prevTile.WalkingDistance(missile.position.tile); else possibleVisitTiles = prevTile.ManhattanDistance(missile.position.tile); int16_t tileTargetHash = dMonster[missile.position.tile.x][missile.position.tile.y] ^ dPlayer[missile.position.tile.x][missile.position.tile.y]; if (possibleVisitTiles == 0) { // missile didn't change the tile... check that we perform CheckMissileCol only once for any monster/player to avoid multiple hits for slow missiles if (missile.lastCollisionTargetHash == tileTargetHash) return; } // remember what target CheckMissileCol was checked against missile.lastCollisionTargetHash = tileTargetHash; // Did the missile skipped a tile? if (possibleVisitTiles > 1) { // Implementation note: If someone knows the correct math to calculate this without this step for step increase loop, I would really appreciate it. auto incVelocity = missile.position.velocity * (0.01f / (float)(possibleVisitTiles - 1)); auto traveled = missile.position.traveled - missile.position.velocity; do { traveled += incVelocity; // calculate in-between tile int mx = traveled.deltaX >> 16; int my = traveled.deltaY >> 16; int dx = (mx + 2 * my) / 64; int dy = (2 * my - mx) / 64; auto tile = missile.position.start + Displacement { dx, dy }; // we are at the orginal calculated position => resume with normal logic if (tile == missile.position.tile) break; // don't call CheckMissileCol more than once for a tile if (prevTile == tile) continue; prevTile = tile; CheckMissileCol(missile, mindam, maxdam, false, tile, false); // Did missile hit anything? if (missile._mirange != 0) continue; if ((missile._miHitFlag && MissilesData[missile._mitype].MovementDistribution == MissileMovementDistrubution::Blockable) || IsMissileBlockedByTile(tile)) { missile.position.traveled = traveled; if (ifCollidesDontMoveToHitTile && missile._mirange == 0) { missile.position.traveled -= incVelocity; UpdateMissilePos(missile); missile.position.StopMissile(); } else { UpdateMissilePos(missile); } return; } } while (true); } if (ignoreStart && missile.position.start == missile.position.tile) return; CheckMissileCol(missile, mindam, maxdam, false, missile.position.tile, false); if (ifCollidesDontMoveToHitTile && missile._mirange == 0) { missile.position.traveled -= missile.position.velocity; UpdateMissilePos(missile); missile.position.StopMissile(); } } void SetMissAnim(Missile &missile, int animtype) { int dir = missile._mimfnum; if (animtype > MFILE_NONE) { animtype = MFILE_NONE; } missile._miAnimType = animtype; missile._miAnimFlags = MissileSpriteData[animtype].flags; missile._miAnimData = MissileSpriteData[animtype].GetFrame(static_cast(dir)); missile._miAnimDelay = MissileSpriteData[animtype].animDelay[dir]; missile._miAnimLen = MissileSpriteData[animtype].animLen[dir]; missile._miAnimWidth = MissileSpriteData[animtype].animWidth; missile._miAnimWidth2 = MissileSpriteData[animtype].animWidth2; missile._miAnimCnt = 0; missile._miAnimFrame = 1; } void AddRune(Missile &missile, Point dst, missile_id missileID) { if (LineClearMissile(missile.position.start, dst)) { std::optional runePosition = FindClosestValidPosition( [](Point target) { if (!InDungeonBounds(target)) { return false; } if (IsObjectAtPosition(target)) { return false; } if (TileContainsMissile(target)) { return false; } if (TileHasAny(dPiece[target.x][target.y], TileProperties::Solid)) { return false; } return true; }, dst, 0, 9); if (runePosition) { missile.position.tile = *runePosition; missile.var1 = missileID; missile._mlid = AddLight(missile.position.tile, 8); return; } } missile._miDelFlag = true; } bool CheckIfTrig(Point position) { for (int i = 0; i < numtrigs; i++) { if (trigs[i].position.WalkingDistance(position) < 2) return true; } return false; } bool GuardianTryFireAt(Missile &missile, Point target) { Point position = missile.position.tile; if (!LineClearMissile(position, target)) return false; int mid = dMonster[target.x][target.y] - 1; if (mid < 0) return false; const Monster &monster = Monsters[mid]; if (monster.MType->mtype == MT_GOLEM) return false; if (monster._mhitpoints >> 6 <= 0) return false; Direction dir = GetDirection(position, target); AddMissile(position, target, dir, MIS_FIREBOLT, TARGET_MONSTERS, missile._misource, missile._midam, GetSpellLevel(missile._misource, SPL_FIREBOLT), &missile); SetMissDir(missile, 2); missile.var2 = 3; return true; } bool GrowWall(int playerId, Point position, Point target, missile_id type, int spellLevel, int damage) { int dp = dPiece[position.x][position.y]; assert(dp <= MAXTILES && dp >= 0); if (TileHasAny(dp, TileProperties::BlockMissile) || !InDungeonBounds(target)) { return false; } AddMissile(position, position, Players[playerId]._pdir, type, TARGET_BOTH, playerId, damage, spellLevel); return true; } void SpawnLightning(Missile &missile, int dam) { missile._mirange--; missile.position.traveled += missile.position.velocity; UpdateMissilePos(missile); Point position = missile.position.tile; assert(InDungeonBounds(position)); int pn = dPiece[position.x][position.y]; assert(pn >= 0 && pn <= MAXTILES); if (!missile.IsTrap() || position != missile.position.start) { if (TileHasAny(pn, TileProperties::BlockMissile)) { missile._mirange = 0; } } if (!TileHasAny(pn, TileProperties::BlockMissile)) { if (position != Point { missile.var1, missile.var2 } && InDungeonBounds(position)) { missile_id type = MIS_LIGHTNING; if (!missile.IsTrap() && missile._micaster == TARGET_PLAYERS && IsAnyOf(Monsters[missile._misource].MType->mtype, MT_STORM, MT_RSTORM, MT_STORML, MT_MAEL)) { type = MIS_LIGHTNING2; } AddMissile( position, missile.position.start, Direction::South, type, missile._micaster, missile._misource, dam, missile._mispllvl); missile.var1 = position.x; missile.var2 = position.y; } } if (missile._mirange == 0) { missile._miDelFlag = true; } } } // namespace bool IsMissileBlockedByTile(Point tile) { if (!InDungeonBounds(tile)) { return true; } if (TileHasAny(dPiece[tile.x][tile.y], TileProperties::BlockMissile)) { return true; } Object *object = ObjectAtPosition(tile); // _oMissFlag is true if the object allows missiles to pass through so we need to invert the check here... return object != nullptr && !object->_oMissFlag; } void GetDamageAmt(int i, int *mind, int *maxd) { assert(MyPlayerId >= 0 && MyPlayerId < MAX_PLRS); assert(i >= 0 && i < 64); Player &myPlayer = *MyPlayer; int sl = myPlayer._pSplLvl[i] + myPlayer._pISplLvlAdd; switch (i) { case SPL_FIREBOLT: *mind = (myPlayer._pMagic / 8) + sl + 1; *maxd = *mind + 9; break; case SPL_HEAL: case SPL_HEALOTHER: /// BUGFIX: healing calculation is unused *mind = AddClassHealingBonus(myPlayer._pLevel + sl + 1, myPlayer._pClass) - 1; *maxd = AddClassHealingBonus((4 * myPlayer._pLevel) + (6 * sl) + 10, myPlayer._pClass) - 1; break; case SPL_LIGHTNING: case SPL_RUNELIGHT: *mind = 2; *maxd = 2 + myPlayer._pLevel; break; case SPL_FLASH: *mind = ScaleSpellEffect(myPlayer._pLevel, sl); *mind += *mind / 2; *maxd = *mind * 2; break; case SPL_IDENTIFY: case SPL_TOWN: case SPL_STONE: case SPL_INFRA: case SPL_RNDTELEPORT: case SPL_MANASHIELD: case SPL_DOOMSERP: case SPL_BLODRIT: case SPL_INVISIBIL: case SPL_BLODBOIL: case SPL_TELEPORT: case SPL_ETHEREALIZE: case SPL_REPAIR: case SPL_RECHARGE: case SPL_DISARM: case SPL_RESURRECT: case SPL_TELEKINESIS: case SPL_BONESPIRIT: case SPL_WARP: case SPL_REFLECT: case SPL_BERSERK: case SPL_SEARCH: case SPL_RUNESTONE: *mind = -1; *maxd = -1; break; case SPL_FIREWALL: case SPL_LIGHTWALL: case SPL_FIRERING: *mind = 2 * myPlayer._pLevel + 4; *maxd = *mind + 36; break; case SPL_FIREBALL: case SPL_RUNEFIRE: { int base = (2 * myPlayer._pLevel) + 4; *mind = ScaleSpellEffect(base, sl); *maxd = ScaleSpellEffect(base + 36, sl); } break; case SPL_GUARDIAN: { int base = (myPlayer._pLevel / 2) + 1; *mind = ScaleSpellEffect(base, sl); *maxd = ScaleSpellEffect(base + 9, sl); } break; case SPL_CHAIN: *mind = 4; *maxd = 4 + (2 * myPlayer._pLevel); break; case SPL_WAVE: *mind = 6 * (myPlayer._pLevel + 1); *maxd = *mind + 54; break; case SPL_NOVA: case SPL_IMMOLAT: case SPL_RUNEIMMOLAT: case SPL_RUNENOVA: *mind = ScaleSpellEffect((myPlayer._pLevel + 5) / 2, sl) * 5; *maxd = ScaleSpellEffect((myPlayer._pLevel + 30) / 2, sl) * 5; break; case SPL_FLAME: *mind = 3; *maxd = myPlayer._pLevel + 4; *maxd += *maxd / 2; break; case SPL_GOLEM: *mind = 11; *maxd = 17; break; case SPL_APOCA: *mind = myPlayer._pLevel; *maxd = *mind * 6; break; case SPL_ELEMENT: *mind = ScaleSpellEffect(2 * myPlayer._pLevel + 4, sl); /// BUGFIX: add here '*mind /= 2;' *maxd = ScaleSpellEffect(2 * myPlayer._pLevel + 40, sl); /// BUGFIX: add here '*maxd /= 2;' break; case SPL_CBOLT: *mind = 1; *maxd = *mind + (myPlayer._pMagic / 4); break; case SPL_HBOLT: *mind = myPlayer._pLevel + 9; *maxd = *mind + 9; break; case SPL_FLARE: *mind = (myPlayer._pMagic / 2) + 3 * sl - (myPlayer._pMagic / 8); *maxd = *mind; break; } } int GetSpellLevel(int playerId, spell_id sn) { if (playerId != MyPlayerId) return 1; // BUGFIX spell level will be wrong in multiplayer Player &player = Players[playerId]; return std::max(player._pISplLvlAdd + player._pSplLvl[sn], 0); } Direction16 GetDirection16(Point p1, Point p2) { Displacement offset = p2 - p1; Displacement absolute = abs(offset); bool flipY = offset.deltaX != absolute.deltaX; bool flipX = offset.deltaY != absolute.deltaY; bool flipMedian = false; if (absolute.deltaX > absolute.deltaY) { std::swap(absolute.deltaX, absolute.deltaY); flipMedian = true; } Direction16 ret = Direction16::South; if (3 * absolute.deltaX <= (absolute.deltaY * 2)) { // mx/my <= 2/3, approximation of tan(33.75) if (5 * absolute.deltaX < absolute.deltaY) // mx/my < 0.2, approximation of tan(11.25) ret = Direction16::SouthWest; else ret = Direction16::South_SouthWest; } Direction16 medianPivot = Direction16::South; if (flipY) { ret = Direction16Flip(ret, Direction16::SouthWest); medianPivot = Direction16Flip(medianPivot, Direction16::SouthWest); } if (flipX) { ret = Direction16Flip(ret, Direction16::SouthEast); medianPivot = Direction16Flip(medianPivot, Direction16::SouthEast); } if (flipMedian) ret = Direction16Flip(ret, medianPivot); return ret; } bool MonsterTrapHit(int m, int mindam, int maxdam, int dist, missile_id t, bool shift) { auto &monster = Monsters[m]; if (!monster.IsPossibleToHit() || monster.IsImmune(t)) return false; int hit = GenerateRnd(100); int hper = 90 - (BYTE)monster.mArmorClass - dist; hper = clamp(hper, 5, 95); if (monster.TryLiftGargoyle()) return true; if (hit >= hper && monster._mmode != MonsterMode::Petrified) { #ifdef _DEBUG if (!DebugGodMode) #endif return false; } bool resist = monster.IsResistant(t); int dam = mindam + GenerateRnd(maxdam - mindam + 1); if (!shift) dam <<= 6; if (resist) monster._mhitpoints -= dam / 4; else monster._mhitpoints -= dam; #ifdef _DEBUG if (DebugGodMode) monster._mhitpoints = 0; #endif if (monster._mhitpoints >> 6 <= 0) { StartMonsterDeath(m, -1, true); } else if (resist) { PlayEffect(monster, 1); } else { if (monster.MType->mtype != MT_GOLEM) M_StartHit(m, dam); } return true; } bool PlayerMHit(int pnum, Monster *monster, int dist, int mind, int maxd, missile_id mtype, bool shift, int earflag, bool *blocked) { *blocked = false; Player &player = Players[pnum]; if (player._pHitPoints >> 6 <= 0) { return false; } if (player._pInvincible) { return false; } if (HasAnyOf(player._pSpellFlags, SpellFlag::Etherealize) && MissilesData[mtype].mType == 0) { return false; } int hit = GenerateRnd(100); #ifdef _DEBUG if (DebugGodMode) hit = 1000; #endif int hper = 40; if (MissilesData[mtype].mType == 0) { int tac = player.GetArmor(); if (monster != nullptr) { hper = monster->mHit + ((monster->mLevel - player._pLevel) * 2) + 30 - (dist * 2) - tac; } else { hper = 100 - (tac / 2) - (dist * 2); } } else if (monster != nullptr) { hper += (monster->mLevel * 2) - (player._pLevel * 2) - (dist * 2); } int minhit = 10; if (currlevel == 14) minhit = 20; if (currlevel == 15) minhit = 25; if (currlevel == 16) minhit = 30; hper = std::max(hper, minhit); int blk = 100; if ((player._pmode == PM_STAND || player._pmode == PM_ATTACK) && player._pBlockFlag) { blk = GenerateRnd(100); } if (shift) blk = 100; if (mtype == MIS_ACIDPUD) blk = 100; int blkper = player.GetBlockChance(false); if (monster != nullptr) blkper -= (monster->mLevel - player._pLevel) * 2; blkper = clamp(blkper, 0, 100); int8_t resper; switch (MissilesData[mtype].mResist) { case MISR_FIRE: resper = player._pFireResist; break; case MISR_LIGHTNING: resper = player._pLghtResist; break; case MISR_MAGIC: case MISR_ACID: resper = player._pMagResist; break; default: resper = 0; break; } if (hit >= hper) { return false; } int dam; if (mtype == MIS_BONESPIRIT) { dam = player._pHitPoints / 3; } else { if (!shift) { dam = (mind << 6) + GenerateRnd(((maxd - mind) << 6) + 1); if (monster == nullptr) if (HasAnyOf(player._pIFlags, ItemSpecialEffect::HalfTrapDamage)) dam /= 2; dam += player._pIGetHit * 64; } else { dam = mind + GenerateRnd(maxd - mind + 1); if (monster == nullptr) if (HasAnyOf(player._pIFlags, ItemSpecialEffect::HalfTrapDamage)) dam /= 2; dam += player._pIGetHit; } dam = std::max(dam, 64); } if ((resper <= 0 || gbIsHellfire) && blk < blkper) { Direction dir = player._pdir; if (monster != nullptr) { dir = GetDirection(player.position.tile, monster->position.tile); } *blocked = true; StartPlrBlock(pnum, dir); return true; } if (resper > 0) { dam -= dam * resper / 100; if (pnum == MyPlayerId) { ApplyPlrDamage(pnum, 0, 0, dam, earflag); } if (player._pHitPoints >> 6 > 0) { player.Say(HeroSpeech::ArghClang); } return true; } if (pnum == MyPlayerId) { ApplyPlrDamage(pnum, 0, 0, dam, earflag); } if (player._pHitPoints >> 6 > 0) { StartPlrHit(pnum, dam, false); } return true; } void SetMissDir(Missile &missile, int dir) { missile._mimfnum = dir; SetMissAnim(missile, missile._miAnimType); } void InitMissiles() { Player &myPlayer = *MyPlayer; AutoMapShowItems = false; myPlayer._pSpellFlags &= ~SpellFlag::Etherealize; if (myPlayer._pInfraFlag) { for (auto &missile : Missiles) { if (missile._mitype == MIS_INFRA) { if (missile._misource == MyPlayerId) CalcPlrItemVals(myPlayer, true); } } } if (HasAnyOf(myPlayer._pSpellFlags, SpellFlag::RageActive | SpellFlag::RageCooldown)) { myPlayer._pSpellFlags &= ~SpellFlag::RageActive; myPlayer._pSpellFlags &= ~SpellFlag::RageCooldown; for (auto &missile : Missiles) { if (missile._mitype == MIS_BLODBOIL) { if (missile._misource == MyPlayerId) { int missingHP = myPlayer._pMaxHP - myPlayer._pHitPoints; CalcPlrItemVals(myPlayer, true); ApplyPlrDamage(MyPlayerId, 0, 1, missingHP + missile.var2); } } } } Missiles.clear(); for (int j = 0; j < MAXDUNY; j++) { for (int i = 0; i < MAXDUNX; i++) { // NOLINT(modernize-loop-convert) dFlags[i][j] &= ~DungeonFlag::Missile; } } } void AddHiveExplosion(Missile &missile, const AddMissileParameter ¶meter) { for (int x : { 80, 81 }) { for (int y : { 62, 63 }) { AddMissile({ x, y }, { 80, 62 }, parameter.midir, MIS_HIVEEXP, missile._micaster, missile._misource, missile._midam, 0); } } missile._miDelFlag = true; } void AddFireRune(Missile &missile, const AddMissileParameter ¶meter) { AddRune(missile, parameter.dst, MIS_HIVEEXP); } void AddLightningRune(Missile &missile, const AddMissileParameter ¶meter) { int id = missile._misource; int lvl = (id > -1) ? Players[id]._pLevel : 0; int dmg = 16 * (GenerateRndSum(10, 2) + lvl + 2); missile._midam = dmg; AddRune(missile, parameter.dst, MIS_LIGHTWALL); } void AddGreatLightningRune(Missile &missile, const AddMissileParameter ¶meter) { AddRune(missile, parameter.dst, MIS_NOVA); } void AddImmolationRune(Missile &missile, const AddMissileParameter ¶meter) { AddRune(missile, parameter.dst, MIS_IMMOLATION); } void AddStoneRune(Missile &missile, const AddMissileParameter ¶meter) { AddRune(missile, parameter.dst, MIS_STONE); } void AddReflection(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; if (missile._misource < 0) return; Player &player = Players[missile._misource]; int add = (missile._mispllvl != 0 ? missile._mispllvl : 2) * player._pLevel; if (player.wReflections + add >= std::numeric_limits::max()) add = 0; player.wReflections += add; if (missile._misource == MyPlayerId) NetSendCmdParam1(true, CMD_SETREFLECT, player.wReflections); UseMana(missile._misource, SPL_REFLECT); } void AddBerserk(Missile &missile, const AddMissileParameter ¶meter) { missile._miDelFlag = true; if (missile._misource < 0) return; std::optional targetMonsterPosition = FindClosestValidPosition( [](Point target) { if (!InDungeonBounds(target)) { return false; } int monsterId = abs(dMonster[target.x][target.y]) - 1; if (monsterId < 0) return false; const Monster &monster = Monsters[monsterId]; if (monster.MType->mtype == MT_GOLEM) return false; if ((monster._mFlags & MFLAG_BERSERK) != 0) return false; if (monster._uniqtype != 0 || monster._mAi == AI_DIABLO) return false; if (IsAnyOf(monster._mmode, MonsterMode::FadeIn, MonsterMode::FadeOut, MonsterMode::Charge)) return false; if ((monster.mMagicRes & IMMUNE_MAGIC) != 0) return false; if ((monster.mMagicRes & RESIST_MAGIC) != 0 && ((monster.mMagicRes & RESIST_MAGIC) != 1 || GenerateRnd(2) != 0)) return false; return true; }, parameter.dst, 0, 5); if (targetMonsterPosition) { auto &monster = Monsters[abs(dMonster[targetMonsterPosition->x][targetMonsterPosition->y]) - 1]; int slvl = GetSpellLevel(missile._misource, SPL_BERSERK); monster._mFlags |= MFLAG_BERSERK | MFLAG_GOLEM; monster.mMinDamage = (GenerateRnd(10) + 120) * monster.mMinDamage / 100 + slvl; monster.mMaxDamage = (GenerateRnd(10) + 120) * monster.mMaxDamage / 100 + slvl; monster.mMinDamage2 = (GenerateRnd(10) + 120) * monster.mMinDamage2 / 100 + slvl; monster.mMaxDamage2 = (GenerateRnd(10) + 120) * monster.mMaxDamage2 / 100 + slvl; int lightRadius = leveltype == DTYPE_NEST ? 9 : 3; monster.mlid = AddLight(monster.position.tile, lightRadius); UseMana(missile._misource, SPL_BERSERK); } } void AddHorkSpawn(Missile &missile, const AddMissileParameter ¶meter) { UpdateMissileVelocity(missile, parameter.dst, 8); missile._mirange = 9; missile.var1 = static_cast(parameter.midir); PutMissile(missile); } void AddJester(Missile &missile, const AddMissileParameter ¶meter) { missile_id spell = MIS_FIREBOLT; switch (GenerateRnd(10)) { case 0: case 1: spell = MIS_FIREBOLT; break; case 2: spell = MIS_FIREBALL; break; case 3: spell = MIS_FIREWALLC; break; case 4: spell = MIS_GUARDIAN; break; case 5: spell = MIS_CHAIN; break; case 6: spell = MIS_TOWN; UseMana(missile._misource, SPL_TOWN); break; case 7: spell = MIS_TELEPORT; break; case 8: spell = MIS_APOCA; break; case 9: spell = MIS_STONE; break; } AddMissile(missile.position.start, parameter.dst, parameter.midir, spell, missile._micaster, missile._misource, 0, missile._mispllvl); missile._miDelFlag = true; } void AddStealPotions(Missile &missile, const AddMissileParameter & /*parameter*/) { for (int i = 0; i < 3; i++) { for (auto displacement : CrawlTable[i]) { Point target = missile.position.start + displacement; if (!InDungeonBounds(target)) continue; int8_t pnum = dPlayer[target.x][target.y]; if (pnum == 0) continue; Player &player = Players[abs(pnum) - 1]; bool hasPlayedSFX = false; for (int si = 0; si < MAXBELTITEMS; si++) { int ii = -1; if (player.SpdList[si]._itype == ItemType::Misc) { if (GenerateRnd(2) == 0) continue; switch (player.SpdList[si]._iMiscId) { case IMISC_FULLHEAL: ii = ItemMiscIdIdx(IMISC_HEAL); break; case IMISC_HEAL: case IMISC_MANA: player.RemoveSpdBarItem(si); break; case IMISC_FULLMANA: ii = ItemMiscIdIdx(IMISC_MANA); break; case IMISC_REJUV: if (GenerateRnd(2) != 0) { ii = ItemMiscIdIdx(IMISC_MANA); } else { ii = ItemMiscIdIdx(IMISC_HEAL); } break; case IMISC_FULLREJUV: switch (GenerateRnd(3)) { case 0: ii = ItemMiscIdIdx(IMISC_FULLMANA); break; case 1: ii = ItemMiscIdIdx(IMISC_FULLHEAL); break; default: ii = ItemMiscIdIdx(IMISC_REJUV); break; } break; default: continue; } } if (ii != -1) { InitializeItem(player.SpdList[si], ii); player.SpdList[si]._iStatFlag = true; } if (!hasPlayedSFX) { PlaySfxLoc(IS_POPPOP2, target); hasPlayedSFX = true; } } force_redraw = 255; } } missile._miDelFlag = true; } void AddManaTrap(Missile &missile, const AddMissileParameter & /*parameter*/) { std::optional trappedPlayerPosition = FindClosestValidPosition( [](Point target) { return InDungeonBounds(target) && dPlayer[target.x][target.y] != 0; }, missile.position.start, 0, 2); if (trappedPlayerPosition) { Player &player = Players[abs(dPlayer[trappedPlayerPosition->x][trappedPlayerPosition->y]) - 1]; player._pMana = 0; player._pManaBase = player._pMana + player._pMaxManaBase - player._pMaxMana; CalcPlrInv(player, false); drawmanaflag = true; PlaySfxLoc(TSFX_COW7, *trappedPlayerPosition); } missile._miDelFlag = true; } void AddSpecArrow(Missile &missile, const AddMissileParameter ¶meter) { int av = 0; if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[missile._misource]; if (player._pClass == HeroClass::Rogue) av += (player._pLevel - 1) / 4; else if (player._pClass == HeroClass::Warrior || player._pClass == HeroClass::Bard) av += (player._pLevel - 1) / 8; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::QuickAttack)) av++; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastAttack)) av += 2; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FasterAttack)) av += 4; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastestAttack)) av += 8; } missile._mirange = 1; missile.var1 = parameter.dst.x; missile.var2 = parameter.dst.y; missile.var3 = av; } void AddWarp(Missile &missile, const AddMissileParameter & /*parameter*/) { int minDistanceSq = std::numeric_limits::max(); Point src = missile.position.start; Point tile = src; if (missile._misource >= 0) { tile = Players[missile._misource].position.tile; } for (int i = 0; i < numtrigs && i < MAXTRIGGERS; i++) { TriggerStruct *trg = &trigs[i]; if (trg->_tmsg == WM_DIABTWARPUP || trg->_tmsg == WM_DIABPREVLVL || trg->_tmsg == WM_DIABNEXTLVL || trg->_tmsg == WM_DIABRTNLVL) { Point candidate = trg->position; if ((leveltype == DTYPE_CATHEDRAL || leveltype == DTYPE_CATACOMBS) && (trg->_tmsg == WM_DIABNEXTLVL || trg->_tmsg == WM_DIABPREVLVL || trg->_tmsg == WM_DIABRTNLVL)) { candidate += Displacement { 0, 1 }; } else { candidate += Displacement { 1, 0 }; } Displacement off = src - candidate; int distanceSq = off.deltaY * off.deltaY + off.deltaX * off.deltaX; if (distanceSq < minDistanceSq) { minDistanceSq = distanceSq; tile = candidate; } } } missile._mirange = 2; missile.position.tile = tile; if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_WARP); } void AddLightningWall(Missile &missile, const AddMissileParameter ¶meter) { UpdateMissileVelocity(missile, parameter.dst, 16); missile._miAnimFrame = GenerateRnd(8) + 1; missile._mirange = 255 * (missile._mispllvl + 1); if (missile._misource < 0) { missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; } else { missile.var1 = Players[missile._misource].position.tile.x; missile.var2 = Players[missile._misource].position.tile.y; } } void AddRuneExplosion(Missile &missile, const AddMissileParameter & /*parameter*/) { if (IsAnyOf(missile._micaster, TARGET_MONSTERS, TARGET_BOTH)) { int dmg = 2 * (Players[missile._misource]._pLevel + GenerateRndSum(10, 2)) + 4; dmg = ScaleSpellEffect(dmg, missile._mispllvl); missile._midam = dmg; constexpr Displacement Offsets[] = { { -1, -1 }, { 0, -1 }, { 1, -1 }, { -1, 0 }, { 0, 0 }, { 1, 0 }, { -1, 1 }, { 0, 1 }, { 1, 1 } }; for (Displacement offset : Offsets) CheckMissileCol(missile, dmg, dmg, false, missile.position.tile + offset, true); } missile._mlid = AddLight(missile.position.start, 8); SetMissDir(missile, 0); missile._mirange = missile._miAnimLen - 1; } void AddFireNova(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == parameter.dst) { dst += parameter.midir; } int sp = 16; if (missile._micaster == TARGET_MONSTERS) { sp += std::min(missile._mispllvl, 34); } UpdateMissileVelocity(missile, dst, sp); SetMissDir(missile, GetDirection16(missile.position.start, dst)); missile._mirange = 256; missile._mlid = AddLight(missile.position.start, 8); } void AddLightningArrow(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == parameter.dst) { dst += parameter.midir; } UpdateMissileVelocity(missile, dst, 32); missile._miAnimFrame = GenerateRnd(8) + 1; missile._mirange = 255; if (missile._misource < 0) { missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; } else { missile.var1 = Players[missile._misource].position.tile.x; missile.var2 = Players[missile._misource].position.tile.y; } missile._midam <<= 6; } void AddMana(Missile &missile, const AddMissileParameter & /*parameter*/) { Player &player = Players[missile._misource]; int manaAmount = (GenerateRnd(10) + 1) << 6; for (int i = 0; i < player._pLevel; i++) { manaAmount += (GenerateRnd(4) + 1) << 6; } for (int i = 0; i < missile._mispllvl; i++) { manaAmount += (GenerateRnd(6) + 1) << 6; } if (player._pClass == HeroClass::Sorcerer) manaAmount *= 2; if (player._pClass == HeroClass::Rogue || player._pClass == HeroClass::Bard) manaAmount += manaAmount / 2; player._pMana += manaAmount; if (player._pMana > player._pMaxMana) player._pMana = player._pMaxMana; player._pManaBase += manaAmount; if (player._pManaBase > player._pMaxManaBase) player._pManaBase = player._pMaxManaBase; UseMana(missile._misource, SPL_MANA); missile._miDelFlag = true; drawmanaflag = true; } void AddMagi(Missile &missile, const AddMissileParameter & /*parameter*/) { Player &player = Players[missile._misource]; player._pMana = player._pMaxMana; player._pManaBase = player._pMaxManaBase; UseMana(missile._misource, SPL_MAGI); missile._miDelFlag = true; drawmanaflag = true; } void AddRing(Missile &missile, const AddMissileParameter & /*parameter*/) { if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_FIRERING); missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mirange = 7; } void AddSearch(Missile &missile, const AddMissileParameter & /*parameter*/) { if (missile._misource == MyPlayerId) AutoMapShowItems = true; int lvl = 2; if (missile._misource >= 0) lvl = Players[missile._misource]._pLevel * 2; missile._mirange = lvl + 10 * missile._mispllvl + 245; if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_SEARCH); for (auto &other : Missiles) { if (&other != &missile && other._misource == missile._misource && other._mitype == MIS_SEARCH) { int r1 = missile._mirange; int r2 = other._mirange; if (r2 < INT_MAX - r1) other._mirange = r1 + r2; missile._miDelFlag = true; break; } } } void AddCboltArrow(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; missile._mirnd = GenerateRnd(15) + 1; if (missile._micaster != TARGET_MONSTERS) { missile._midam = 15; } if (missile.position.start == dst) { dst += parameter.midir; } missile._miAnimFrame = GenerateRnd(8) + 1; missile._mlid = AddLight(missile.position.start, 5); UpdateMissileVelocity(missile, dst, 8); missile.var1 = 5; missile.var2 = static_cast(parameter.midir); missile._mirange = 256; } void AddLArrow(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int av = 32; if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[missile._misource]; if (player._pClass == HeroClass::Rogue) av += (player._pLevel) / 4; else if (IsAnyOf(player._pClass, HeroClass::Warrior, HeroClass::Bard)) av += (player._pLevel) / 8; if (gbIsHellfire) { if (HasAnyOf(player._pIFlags, ItemSpecialEffect::QuickAttack)) av++; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastAttack)) av += 2; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FasterAttack)) av += 4; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastestAttack)) av += 8; } else { if (IsAnyOf(player._pClass, HeroClass::Rogue, HeroClass::Warrior, HeroClass::Bard)) av -= 1; } } UpdateMissileVelocity(missile, dst, av); SetMissDir(missile, GetDirection16(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 5); } void AddArrow(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int av = 32; if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[missile._misource]; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::RandomArrowVelocity)) { av = GenerateRnd(32) + 16; } if (player._pClass == HeroClass::Rogue) av += (player._pLevel - 1) / 4; else if (player._pClass == HeroClass::Warrior || player._pClass == HeroClass::Bard) av += (player._pLevel - 1) / 8; if (gbIsHellfire) { if (HasAnyOf(player._pIFlags, ItemSpecialEffect::QuickAttack)) av++; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastAttack)) av += 2; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FasterAttack)) av += 4; if (HasAnyOf(player._pIFlags, ItemSpecialEffect::FastestAttack)) av += 8; } } UpdateMissileVelocity(missile, dst, av); missile._miAnimFrame = static_cast(GetDirection16(missile.position.start, dst)) + 1; missile._mirange = 256; } void UpdateVileMissPos(Missile &missile, Point dst) { for (int k = 1; k < 50; k++) { for (int j = -k; j <= k; j++) { int yy = j + dst.y; for (int i = -k; i <= k; i++) { int xx = i + dst.x; if (PosOkPlayer(*MyPlayer, { xx, yy })) { missile.position.tile = { xx, yy }; return; } } } } } void AddRndTeleport(Missile &missile, const AddMissileParameter ¶meter) { missile._mirange = 2; Player &player = Players[missile._misource]; if (missile._micaster == TARGET_BOTH) { missile.position.tile = parameter.dst; if (!PosOkPlayer(player, parameter.dst)) UpdateVileMissPos(missile, parameter.dst); return; } std::array targets; int count = 0; for (int y = -6; y <= 6; y++) { for (int x = -6; x <= 6; x++) { if ((x >= -3 && x <= 3) || (y >= -3 && y <= 3)) continue; // Skip center Point target = missile.position.start + Displacement { x, y }; if (!PosOkPlayer(player, target)) continue; targets[count] = target; count++; } } if (count == 0) { missile._miDelFlag = true; return; } missile.position.tile = targets[std::max(GenerateRnd(count), 0)]; if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_RNDTELEPORT); } void AddFirebolt(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int sp = 26; if (missile._micaster == TARGET_MONSTERS) { sp = 16; if (!missile.IsTrap()) { sp += std::min(missile._mispllvl * 2, 47); } if (parameter.pParent == nullptr || parameter.pParent->_mitype != MIS_GUARDIAN) UseMana(missile._misource, SPL_FIREBOLT); } UpdateMissileVelocity(missile, dst, sp); SetMissDir(missile, GetDirection16(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 8); } void AddMagmaball(Missile &missile, const AddMissileParameter ¶meter) { UpdateMissileVelocity(missile, parameter.dst, 16); missile.position.traveled.deltaX += 3 * missile.position.velocity.deltaX; missile.position.traveled.deltaY += 3 * missile.position.velocity.deltaY; UpdateMissilePos(missile); if (!gbIsHellfire || (missile.position.velocity.deltaX & 0xFFFF0000) != 0 || (missile.position.velocity.deltaY & 0xFFFF0000) != 0) missile._mirange = 256; else missile._mirange = 1; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 8); } void AddTeleport(Missile &missile, const AddMissileParameter ¶meter) { std::optional teleportDestination = FindClosestValidPosition( [&player = Players[missile._misource]](Point target) { return PosOkPlayer(player, target); }, parameter.dst, 0, 5); if (teleportDestination) { missile.position.tile = *teleportDestination; missile.position.start = *teleportDestination; UseMana(missile._misource, SPL_TELEPORT); missile._mirange = 2; } else { missile._miDelFlag = true; } } void AddLightball(Missile &missile, const AddMissileParameter ¶meter) { UpdateMissileVelocity(missile, parameter.dst, 16); missile._miAnimFrame = GenerateRnd(8) + 1; missile._mirange = 255; const Point position { missile._misource < 0 ? missile.position.start : Players[missile._misource].position.tile }; missile.var1 = position.x; missile.var2 = position.y; } void AddFirewall(Missile &missile, const AddMissileParameter ¶meter) { missile._midam = GenerateRndSum(10, 2) + 2; missile._midam += missile._misource >= 0 ? Players[missile._misource]._pLevel : currlevel; // BUGFIX: missing parenthesis around ternary (fixed) missile._midam <<= 3; UpdateMissileVelocity(missile, parameter.dst, 16); int i = missile._mispllvl; missile._mirange = 10; if (i > 0) missile._mirange *= i + 1; if (missile._micaster == TARGET_PLAYERS || missile._misource < 0) missile._mirange += currlevel; else missile._mirange += (Players[missile._misource]._pISplDur * missile._mirange) / 128; missile._mirange *= 16; missile.var1 = missile._mirange - missile._miAnimLen; } void AddFireball(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int sp = 16; if (missile._micaster == TARGET_MONSTERS) { sp += std::min(missile._mispllvl * 2, 34); int dmg = 2 * (Players[missile._misource]._pLevel + GenerateRndSum(10, 2)) + 4; missile._midam = ScaleSpellEffect(dmg, missile._mispllvl); UseMana(missile._misource, SPL_FIREBALL); } UpdateMissileVelocity(missile, dst, sp); SetMissDir(missile, GetDirection16(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 8); } void AddLightctrl(Missile &missile, const AddMissileParameter ¶meter) { if (missile._midam == 0 && missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_LIGHTNING); missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; UpdateMissileVelocity(missile, parameter.dst, 32); missile._miAnimFrame = GenerateRnd(8) + 1; missile._mirange = 256; } void AddLightning(Missile &missile, const AddMissileParameter ¶meter) { missile.position.start = parameter.dst; missile._miAnimFrame = GenerateRnd(8) + 1; if (missile._micaster == TARGET_PLAYERS || missile.IsTrap()) { if (missile.IsTrap() || Monsters[missile._misource].MType->mtype == MT_FAMILIAR) missile._mirange = 8; else missile._mirange = 10; } else { missile._mirange = (missile._mispllvl / 2) + 6; } missile._mlid = AddLight(missile.position.tile, 4); } void AddMisexp(Missile &missile, const AddMissileParameter ¶meter) { if (missile._micaster != TARGET_MONSTERS && missile._misource >= 0) { switch (Monsters[missile._misource].MType->mtype) { case MT_SUCCUBUS: SetMissAnim(missile, MFILE_FLAREEXP); break; case MT_SNOWWICH: SetMissAnim(missile, MFILE_SCBSEXPB); break; case MT_HLSPWN: SetMissAnim(missile, MFILE_SCBSEXPD); break; case MT_SOLBRNR: SetMissAnim(missile, MFILE_SCBSEXPC); break; default: break; } } assert(parameter.pParent != nullptr); // AddMisexp will always be called with a parent associated to the missile. auto &parent = *parameter.pParent; missile.position.tile = parent.position.tile; missile.position.start = parent.position.start; missile.position.offset = parent.position.offset; missile.position.traveled = parent.position.traveled; missile._mirange = missile._miAnimLen; } void AddWeapexp(Missile &missile, const AddMissileParameter ¶meter) { missile.var2 = parameter.dst.x; if (parameter.dst.x == 1) SetMissAnim(missile, MFILE_MAGBLOS); else SetMissAnim(missile, MFILE_MINILTNG); missile._mirange = missile._miAnimLen - 1; } void AddTown(Missile &missile, const AddMissileParameter ¶meter) { if (leveltype == DTYPE_TOWN) { missile.position.tile = parameter.dst; missile.position.start = parameter.dst; } else { std::optional targetPosition = FindClosestValidPosition( [](Point target) { if (!InDungeonBounds(target)) { return false; } if (IsObjectAtPosition(target)) { return false; } if (dPlayer[target.x][target.y] != 0) { return false; } if (TileContainsMissile(target)) { return false; } int dp = dPiece[target.x][target.y]; if (TileHasAny(dp, TileProperties::Solid | TileProperties::BlockMissile)) { return false; } return !CheckIfTrig(target); }, parameter.dst, 0, 5); if (targetPosition) { missile.position.tile = *targetPosition; missile.position.start = *targetPosition; missile._miDelFlag = false; } else { missile._miDelFlag = true; } } missile._mirange = 100; missile.var1 = missile._mirange - missile._miAnimLen; for (auto &other : Missiles) { if (other._mitype == MIS_TOWN && &other != &missile && other._misource == missile._misource) other._mirange = 0; } PutMissile(missile); if (missile._misource == MyPlayerId && !missile._miDelFlag && leveltype != DTYPE_TOWN) { if (!setlevel) { NetSendCmdLocParam3(true, CMD_ACTIVATEPORTAL, missile.position.tile, currlevel, leveltype, 0); } else { NetSendCmdLocParam3(true, CMD_ACTIVATEPORTAL, missile.position.tile, setlvlnum, leveltype, 1); } } } void AddFlash(Missile &missile, const AddMissileParameter & /*parameter*/) { if (!missile.IsTrap()) { if (missile._micaster == TARGET_MONSTERS) { int dmg = GenerateRndSum(20, Players[missile._misource]._pLevel + 1) + Players[missile._misource]._pLevel + 1; missile._midam = ScaleSpellEffect(dmg, missile._mispllvl); missile._midam += missile._midam / 2; UseMana(missile._misource, SPL_FLASH); } else { missile._midam = Monsters[missile._misource].mLevel * 2; } } else { missile._midam = currlevel / 2; } missile._mirange = 19; } void AddFlash2(Missile &missile, const AddMissileParameter & /*parameter*/) { if (missile._micaster == TARGET_MONSTERS) { if (!missile.IsTrap()) { int dmg = Players[missile._misource]._pLevel + 1; dmg += GenerateRndSum(20, dmg); missile._midam = ScaleSpellEffect(dmg, missile._mispllvl); missile._midam += missile._midam / 2; } else { missile._midam = currlevel / 2; } } missile._miPreFlag = true; missile._mirange = 19; } void AddManashield(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; if (missile._misource < 0) return; Player &player = Players[missile._misource]; if (player.pManaShield) return; player.pManaShield = true; if (missile._misource == MyPlayerId) NetSendCmd(true, CMD_SETSHIELD); if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_MANASHIELD); } void AddFiremove(Missile &missile, const AddMissileParameter ¶meter) { missile._midam = GenerateRnd(10) + Players[missile._misource]._pLevel + 1; UpdateMissileVelocity(missile, parameter.dst, 16); missile._mirange = 255; missile.position.tile += Displacement { 1, 1 }; missile.position.offset.deltaY -= 32; } void AddGuardian(Missile &missile, const AddMissileParameter ¶meter) { Player &player = Players[missile._misource]; int dmg = GenerateRnd(10) + (player._pLevel / 2) + 1; missile._midam = ScaleSpellEffect(dmg, missile._mispllvl); std::optional spawnPosition = FindClosestValidPosition( [start = missile.position.start](Point target) { if (!InDungeonBounds(target)) { return false; } if (dMonster[target.x][target.y] != 0) { return false; } if (IsObjectAtPosition(target)) { return false; } if (TileContainsMissile(target)) { return false; } int dp = dPiece[target.x][target.y]; if (TileHasAny(dp, TileProperties::Solid | TileProperties::BlockMissile)) { return false; } return LineClearMissile(start, target); }, parameter.dst, 0, 5); if (!spawnPosition) { missile._miDelFlag = true; return; } missile._miDelFlag = false; missile.position.tile = *spawnPosition; missile.position.start = *spawnPosition; UseMana(missile._misource, SPL_GUARDIAN); missile._mlid = AddLight(missile.position.tile, 1); missile._mirange = missile._mispllvl + (player._pLevel / 2); missile._mirange += (missile._mirange * player._pISplDur) / 128; if (missile._mirange > 30) missile._mirange = 30; missile._mirange <<= 4; if (missile._mirange < 30) missile._mirange = 30; missile.var1 = missile._mirange - missile._miAnimLen; missile.var3 = 1; } void AddChain(Missile &missile, const AddMissileParameter ¶meter) { missile.var1 = parameter.dst.x; missile.var2 = parameter.dst.y; missile._mirange = 1; UseMana(missile._misource, SPL_CHAIN); } namespace { void InitMissileAnimationFromMonster(Missile &mis, Direction midir, const Monster &mon, MonsterGraphic graphic) { const AnimStruct &anim = mon.MType->GetAnimData(graphic); mis._mimfnum = static_cast(midir); mis._miAnimFlags = MissileDataFlags::None; CelSprite celSprite = *anim.GetCelSpritesForDirection(midir); mis._miAnimData = celSprite.Data(); mis._miAnimDelay = anim.Rate; mis._miAnimLen = anim.Frames; mis._miAnimWidth = celSprite.Width(); mis._miAnimWidth2 = CalculateWidth2(celSprite.Width()); mis._miAnimAdd = 1; mis.var1 = 0; mis.var2 = 0; mis._miLightFlag = true; mis._mirange = 256; } } // namespace void AddRhino(Missile &missile, const AddMissileParameter ¶meter) { Monster &monster = Monsters[missile._misource]; MonsterGraphic graphic = MonsterGraphic::Walk; if (IsAnyOf(monster.MType->mtype, MT_HORNED, MT_MUDRUN, MT_FROSTC, MT_OBLORD)) { graphic = MonsterGraphic::Special; } else if (IsAnyOf(monster.MType->mtype, MT_NSNAKE, MT_RSNAKE, MT_BSNAKE, MT_GSNAKE)) { graphic = MonsterGraphic::Attack; } UpdateMissileVelocity(missile, parameter.dst, 18); InitMissileAnimationFromMonster(missile, parameter.midir, monster, graphic); if (IsAnyOf(monster.MType->mtype, MT_NSNAKE, MT_RSNAKE, MT_BSNAKE, MT_GSNAKE)) missile._miAnimFrame = 7; if (monster._uniqtype != 0) { missile._mlid = monster.mlid; } PutMissile(missile); } void AddFlare(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } UpdateMissileVelocity(missile, dst, 16); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 8); if (missile._micaster == TARGET_MONSTERS) { UseMana(missile._misource, SPL_FLARE); ApplyPlrDamage(missile._misource, 5); } else if (missile._misource > 0) { auto &monster = Monsters[missile._misource]; if (monster.MType->mtype == MT_SUCCUBUS) SetMissAnim(missile, MFILE_FLARE); if (monster.MType->mtype == MT_SNOWWICH) SetMissAnim(missile, MFILE_SCUBMISB); if (monster.MType->mtype == MT_HLSPWN) SetMissAnim(missile, MFILE_SCUBMISD); if (monster.MType->mtype == MT_SOLBRNR) SetMissAnim(missile, MFILE_SCUBMISC); } if (MissileSpriteData[missile._miAnimType].animFAmt == 16) { SetMissDir(missile, GetDirection16(missile.position.start, dst)); } } void AddAcid(Missile &missile, const AddMissileParameter ¶meter) { UpdateMissileVelocity(missile, parameter.dst, 16); SetMissDir(missile, GetDirection16(missile.position.start, parameter.dst)); if (!gbIsHellfire || (missile.position.velocity.deltaX & 0xFFFF0000) != 0 || (missile.position.velocity.deltaY & 0xFFFF0000) != 0) missile._mirange = 5 * (Monsters[missile._misource]._mint + 4); else missile._mirange = 1; missile._mlid = NO_LIGHT; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; PutMissile(missile); } void AddAcidpud(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miLightFlag = true; int monst = missile._misource; missile._mirange = GenerateRnd(15) + 40 * (Monsters[monst]._mint + 1); missile._miPreFlag = true; } void AddStone(Missile &missile, const AddMissileParameter ¶meter) { std::optional targetMonsterPosition = FindClosestValidPosition( [](Point target) { if (!InDungeonBounds(target)) { return false; } int monsterId = abs(dMonster[target.x][target.y]) - 1; if (monsterId < 0) { return false; } auto &monster = Monsters[monsterId]; if (IsAnyOf(monster.MType->mtype, MT_GOLEM, MT_DIABLO, MT_NAKRUL)) { return false; } if (IsAnyOf(monster._mmode, MonsterMode::FadeIn, MonsterMode::FadeOut, MonsterMode::Charge)) { return false; } return true; }, parameter.dst, 0, 5); if (!targetMonsterPosition) { missile._miDelFlag = true; return; } // Petrify the targeted monster int monsterId = abs(dMonster[targetMonsterPosition->x][targetMonsterPosition->y]) - 1; auto &monster = Monsters[monsterId]; missile.var1 = static_cast(monster._mmode); missile.var2 = monsterId; monster.Petrify(); // And set up the missile to unpetrify it in the future missile.position.tile = *targetMonsterPosition; missile.position.start = missile.position.tile; missile._mirange = missile._mispllvl + 6; missile._mirange += (missile._mirange * Players[missile._misource]._pISplDur) / 128; if (missile._mirange > 15) missile._mirange = 15; missile._mirange <<= 4; UseMana(missile._misource, SPL_STONE); } void AddGolem(Missile &missile, const AddMissileParameter ¶meter) { missile._miDelFlag = true; int playerId = missile._misource; if (Monsters[playerId].position.tile != GolemHoldingCell && playerId == MyPlayerId) M_StartKill(playerId, playerId); UseMana(playerId, SPL_GOLEM); if (Monsters[playerId].position.tile == GolemHoldingCell) { std::optional spawnPosition = FindClosestValidPosition( [start = missile.position.start](Point target) { return !IsTileOccupied(target) && LineClearMissile(start, target); }, parameter.dst, 0, 5); if (spawnPosition) { SpawnGolem(playerId, *spawnPosition, missile); } } } void AddBoom(Missile &missile, const AddMissileParameter ¶meter) { missile.position.tile = parameter.dst; missile.position.start = parameter.dst; missile._mirange = missile._miAnimLen; } void AddHeal(Missile &missile, const AddMissileParameter & /*parameter*/) { Player &player = Players[missile._misource]; int hp = GenerateRnd(10) + 1; hp += GenerateRndSum(4, player._pLevel) + player._pLevel; hp += GenerateRndSum(6, missile._mispllvl) + missile._mispllvl; hp <<= 6; if (player._pClass == HeroClass::Warrior || player._pClass == HeroClass::Barbarian || player._pClass == HeroClass::Monk) { hp *= 2; } else if (player._pClass == HeroClass::Rogue || player._pClass == HeroClass::Bard) { hp += hp / 2; } player._pHitPoints = std::min(player._pHitPoints + hp, player._pMaxHP); player._pHPBase = std::min(player._pHPBase + hp, player._pMaxHPBase); UseMana(missile._misource, SPL_HEAL); missile._miDelFlag = true; drawhpflag = true; } void AddHealOther(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_HEALOTHER); if (missile._misource == MyPlayerId) { NewCursor(CURSOR_HEALOTHER); if (ControlMode != ControlTypes::KeyboardAndMouse) TryIconCurs(); } } void AddElement(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int dmg = 2 * (Players[missile._misource]._pLevel + GenerateRndSum(10, 2)) + 4; missile._midam = ScaleSpellEffect(dmg, missile._mispllvl) / 2; UpdateMissileVelocity(missile, dst, 16); SetMissDir(missile, GetDirection(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile.var4 = dst.x; missile.var5 = dst.y; missile._mlid = AddLight(missile.position.start, 8); UseMana(missile._misource, SPL_ELEMENT); } extern void FocusOnInventory(); void AddIdentify(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_IDENTIFY); if (missile._misource == MyPlayerId) { if (sbookflag) sbookflag = false; if (!invflag) { invflag = true; if (ControlMode != ControlTypes::KeyboardAndMouse) FocusOnInventory(); } NewCursor(CURSOR_IDENTIFY); } } void AddFirewallC(Missile &missile, const AddMissileParameter ¶meter) { std::optional spreadPosition = FindClosestValidPosition( [start = missile.position.start](Point target) { return start != target && IsTileNotSolid(target) && !IsObjectAtPosition(target) && LineClearMissile(start, target); }, parameter.dst, 0, 5); if (!spreadPosition) { missile._miDelFlag = true; return; } missile._miDelFlag = false; missile.var1 = spreadPosition->x; missile.var2 = spreadPosition->y; missile.var5 = spreadPosition->x; missile.var6 = spreadPosition->y; missile.var3 = static_cast(Left(Left(parameter.midir))); missile.var4 = static_cast(Right(Right(parameter.midir))); missile._mirange = 7; UseMana(missile._misource, SPL_FIREWALL); } void AddInfra(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._mirange = ScaleSpellEffect(1584, missile._mispllvl); missile._mirange += missile._mirange * Players[missile._misource]._pISplDur / 128; if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_INFRA); } void AddWave(Missile &missile, const AddMissileParameter ¶meter) { missile.var1 = parameter.dst.x; missile.var2 = parameter.dst.y; missile._mirange = 1; missile._miAnimFrame = 4; UseMana(missile._misource, SPL_WAVE); } void AddNova(Missile &missile, const AddMissileParameter ¶meter) { missile.var1 = parameter.dst.x; missile.var2 = parameter.dst.y; if (!missile.IsTrap()) { int dmg = GenerateRndSum(6, 5) + Players[missile._misource]._pLevel + 5; missile._midam = ScaleSpellEffect(dmg / 2, missile._mispllvl); if (missile._micaster == TARGET_MONSTERS) UseMana(missile._misource, SPL_NOVA); } else { missile._midam = (currlevel / 2) + GenerateRndSum(3, 3); } missile._mirange = 1; } void AddBlodboil(Missile &missile, const AddMissileParameter & /*parameter*/) { Player &player = Players[missile._misource]; if (HasAnyOf(player._pSpellFlags, SpellFlag::RageActive | SpellFlag::RageCooldown) || player._pHitPoints <= player._pLevel << 6) { missile._miDelFlag = true; return; } UseMana(missile._misource, SPL_BLODBOIL); int tmp = 3 * player._pLevel; tmp <<= 7; player._pSpellFlags |= SpellFlag::RageActive; missile.var2 = tmp; int lvl = player._pLevel * 2; missile._mirange = lvl + 10 * missile._mispllvl + 245; CalcPlrItemVals(player, true); force_redraw = 255; player.Say(HeroSpeech::Aaaaargh); } void AddRepair(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_REPAIR); if (missile._misource == MyPlayerId) { if (sbookflag) sbookflag = false; if (!invflag) { invflag = true; if (ControlMode != ControlTypes::KeyboardAndMouse) FocusOnInventory(); } NewCursor(CURSOR_REPAIR); } } void AddRecharge(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_RECHARGE); if (missile._misource == MyPlayerId) { if (sbookflag) sbookflag = false; if (!invflag) { invflag = true; if (ControlMode != ControlTypes::KeyboardAndMouse) FocusOnInventory(); } NewCursor(CURSOR_RECHARGE); } } void AddDisarm(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_DISARM); if (missile._misource == MyPlayerId) { NewCursor(CURSOR_DISARM); if (ControlMode != ControlTypes::KeyboardAndMouse) { if (pcursobj != -1) NetSendCmdLocParam1(true, CMD_DISARMXY, cursPosition, pcursobj); else NewCursor(CURSOR_HAND); } } } void AddApoca(Missile &missile, const AddMissileParameter & /*parameter*/) { missile.var1 = 8; missile.var2 = std::max(missile.position.start.y - 8, 1); missile.var3 = std::min(missile.position.start.y + 8, MAXDUNY - 1); missile.var4 = std::max(missile.position.start.x - 8, 1); missile.var5 = std::min(missile.position.start.x + 8, MAXDUNX - 1); missile.var6 = missile.var4; int playerLevel = Players[missile._misource]._pLevel; missile._midam = GenerateRndSum(6, playerLevel) + playerLevel; missile._mirange = 255; UseMana(missile._misource, SPL_APOCA); } void AddFlame(Missile &missile, const AddMissileParameter ¶meter) { missile.var2 = 5 * missile._midam; missile.position.start = parameter.dst; missile._mirange = missile.var2 + 20; missile._mlid = AddLight(missile.position.start, 1); if (missile._micaster == TARGET_MONSTERS) { int i = GenerateRnd(Players[missile._misource]._pLevel) + GenerateRnd(2); missile._midam = 8 * i + 16 + ((8 * i + 16) / 2); } else { auto &monster = Monsters[missile._misource]; missile._midam = monster.mMinDamage + GenerateRnd(monster.mMaxDamage - monster.mMinDamage + 1); } } void AddFlamec(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == parameter.dst) { dst += parameter.midir; } UpdateMissileVelocity(missile, dst, 32); if (missile._micaster == TARGET_MONSTERS) { UseMana(missile._misource, SPL_FLAME); } missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mirange = 256; } void AddCbolt(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; missile._mirnd = GenerateRnd(15) + 1; missile._midam = (missile._micaster == TARGET_MONSTERS) ? (GenerateRnd(Players[missile._misource]._pMagic / 4) + 1) : 15; if (missile.position.start == dst) { dst += parameter.midir; } missile._miAnimFrame = GenerateRnd(8) + 1; missile._mlid = AddLight(missile.position.start, 5); UpdateMissileVelocity(missile, dst, 8); missile.var1 = 5; missile.var2 = static_cast(parameter.midir); missile._mirange = 256; } void AddHbolt(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == dst) { dst += parameter.midir; } int sp = 16; if (!missile.IsTrap()) { sp += std::min(missile._mispllvl * 2, 47); } UpdateMissileVelocity(missile, dst, sp); SetMissDir(missile, GetDirection16(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile._mlid = AddLight(missile.position.start, 8); missile._midam = GenerateRnd(10) + Players[missile._misource]._pLevel + 9; UseMana(missile._misource, SPL_HBOLT); } void AddResurrect(Missile &missile, const AddMissileParameter & /*parameter*/) { UseMana(missile._misource, SPL_RESURRECT); if (missile._misource == MyPlayerId) { NewCursor(CURSOR_RESURRECT); if (ControlMode != ControlTypes::KeyboardAndMouse) TryIconCurs(); } missile._miDelFlag = true; } void AddResurrectBeam(Missile &missile, const AddMissileParameter ¶meter) { missile.position.tile = parameter.dst; missile.position.start = parameter.dst; missile._mirange = MissileSpriteData[MFILE_RESSUR1].animLen[0]; } void AddTelekinesis(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._miDelFlag = true; UseMana(missile._misource, SPL_TELEKINESIS); if (missile._misource == MyPlayerId) NewCursor(CURSOR_TELEKINESIS); } void AddBoneSpirit(Missile &missile, const AddMissileParameter ¶meter) { Point dst = parameter.dst; if (missile.position.start == parameter.dst) { dst += parameter.midir; } UpdateMissileVelocity(missile, dst, 16); SetMissDir(missile, GetDirection(missile.position.start, dst)); missile._mirange = 256; missile.var1 = missile.position.start.x; missile.var2 = missile.position.start.y; missile.var4 = dst.x; missile.var5 = dst.y; missile._mlid = AddLight(missile.position.start, 8); if (missile._micaster == TARGET_MONSTERS) { UseMana(missile._misource, SPL_BONESPIRIT); ApplyPlrDamage(missile._misource, 6); } } void AddRportal(Missile &missile, const AddMissileParameter & /*parameter*/) { missile._mirange = 100; missile.var1 = 100 - missile._miAnimLen; PutMissile(missile); } void AddDiabApoca(Missile &missile, const AddMissileParameter & /*parameter*/) { int players = gbIsMultiplayer ? MAX_PLRS : 1; for (int pnum = 0; pnum < players; pnum++) { Player &player = Players[pnum]; if (!player.plractive) continue; if (!LineClearMissile(missile.position.start, player.position.future)) continue; AddMissile({ 0, 0 }, player.position.future, Direction::South, MIS_BOOM2, missile._micaster, missile._misource, missile._midam, 0); } missile._miDelFlag = true; } Missile *AddMissile(Point src, Point dst, Direction midir, missile_id mitype, mienemy_type micaster, int id, int midam, int spllvl, Missile *pParent /*= nullptr*/) { if (Missiles.size() >= Missiles.max_size()) { return nullptr; } Missiles.emplace_back(Missile {}); auto &missile = Missiles.back(); const auto &missileData = MissilesData[mitype]; missile._mitype = mitype; missile._micaster = micaster; missile._misource = id; missile._midam = midam; missile._mispllvl = spllvl; missile.position.tile = src; missile.position.start = src; missile._miAnimAdd = 1; missile._miAnimType = missileData.mFileNum; missile._miDrawFlag = missileData.mDraw; missile._mlid = NO_LIGHT; missile.lastCollisionTargetHash = 0; if (!missile.IsTrap() && micaster == TARGET_PLAYERS) { Monster &monster = Monsters[id]; if (monster._uniqtype != 0) { missile._miUniqTrans = monster._uniqtrans + 1; } } if (missile._miAnimType == MFILE_NONE || MissileSpriteData[missile._miAnimType].animFAmt < 8) SetMissDir(missile, 0); else SetMissDir(missile, midir); if (missileData.mlSFX != SFX_NONE) { PlaySfxLoc(missileData.mlSFX, missile.position.start); } AddMissileParameter parameter = { dst, midir, pParent }; missileData.mAddProc(missile, parameter); return &missile; } void MI_LArrow(Missile &missile) { missile._mirange--; if (missile._miAnimType == MFILE_MINILTNG || missile._miAnimType == MFILE_MAGBLOS) { ChangeLight(missile._mlid, missile.position.tile, missile._miAnimFrame + 5); } else { int mind; int maxd; int p = missile._misource; missile._midist++; if (!missile.IsTrap()) { if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[p]; mind = player._pIMinDam; maxd = player._pIMaxDam; } else { Monster &monster = Monsters[p]; mind = monster.mMinDamage; maxd = monster.mMaxDamage; } } else { mind = GenerateRnd(10) + 1 + currlevel; maxd = GenerateRnd(10) + 1 + currlevel * 2; } missile_resistance rst = MissilesData[missile._mitype].mResist; MissilesData[missile._mitype].mResist = MISR_NONE; MoveMissileAndCheckMissileCol(missile, mind, maxd, true, false); MissilesData[missile._mitype].mResist = rst; if (missile._mirange == 0) { missile._mimfnum = 0; missile._mirange = missile._miAnimLen - 1; missile.position.StopMissile(); rst = MissilesData[missile._mitype].mResist; int eMind; int eMaxd; missile_graphic_id eAnim; missile_resistance eRst; switch (missile._mitype) { case MIS_LARROW: if (!missile.IsTrap()) { Player &player = Players[p]; eMind = player._pILMinDam; eMaxd = player._pILMaxDam; } else { eMind = GenerateRnd(10) + 1 + currlevel; eMaxd = GenerateRnd(10) + 1 + currlevel * 2; } eAnim = MFILE_MINILTNG; eRst = MISR_LIGHTNING; break; case MIS_FARROW: if (!missile.IsTrap()) { Player &player = Players[p]; eMind = player._pIFMinDam; eMaxd = player._pIFMaxDam; } else { eMind = GenerateRnd(10) + 1 + currlevel; eMaxd = GenerateRnd(10) + 1 + currlevel * 2; } eAnim = MFILE_MAGBLOS; eRst = MISR_FIRE; break; default: break; } SetMissAnim(missile, eAnim); MissilesData[missile._mitype].mResist = eRst; CheckMissileCol(missile, eMind, eMaxd, false, missile.position.tile, true); MissilesData[missile._mitype].mResist = rst; } else { if (missile.position.tile != Point { missile.var1, missile.var2 }) { missile.var1 = missile.position.tile.x; missile.var2 = missile.position.tile.y; ChangeLight(missile._mlid, missile.position.tile, 5); } } } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_Arrow(Missile &missile) { missile._mirange--; missile._midist++; int p = missile._misource; int mind; int maxd; if (!missile.IsTrap()) { if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[p]; mind = player._pIMinDam; maxd = player._pIMaxDam; } else { auto &monster = Monsters[p]; mind = monster.mMinDamage; maxd = monster.mMaxDamage; } } else { mind = currlevel; maxd = 2 * currlevel; } MoveMissileAndCheckMissileCol(missile, mind, maxd, true, false); if (missile._mirange == 0) missile._miDelFlag = true; PutMissile(missile); } void MI_Firebolt(Missile &missile) { int d = 0; missile._mirange--; if (missile._mitype != MIS_BONESPIRIT || missile._mimfnum != 8) { int p = missile._misource; if (!missile.IsTrap()) { if (missile._micaster == TARGET_MONSTERS) { Player &player = Players[p]; switch (missile._mitype) { case MIS_FIREBOLT: d = GenerateRnd(10) + (player._pMagic / 8) + missile._mispllvl + 1; break; case MIS_FLARE: d = 3 * missile._mispllvl - (player._pMagic / 8) + (player._pMagic / 2); break; case MIS_BONESPIRIT: d = 0; break; default: break; } } else { auto &monster = Monsters[p]; d = monster.mMinDamage + GenerateRnd(monster.mMaxDamage - monster.mMinDamage + 1); } } else { d = currlevel + GenerateRnd(2 * currlevel); } MoveMissileAndCheckMissileCol(missile, d, d, true, true); if (missile._mirange == 0) { missile._miDelFlag = true; Point dst = { 0, 0 }; auto dir = static_cast(missile._mimfnum); switch (missile._mitype) { case MIS_FIREBOLT: case MIS_MAGMABALL: AddMissile(missile.position.tile, dst, dir, MIS_MISEXP, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_FLARE: AddMissile(missile.position.tile, dst, dir, MIS_MISEXP2, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_ACID: AddMissile(missile.position.tile, dst, dir, MIS_MISEXP3, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_BONESPIRIT: SetMissDir(missile, 8); missile._mirange = 7; missile._miDelFlag = false; PutMissile(missile); return; case MIS_LICH: AddMissile(missile.position.tile, dst, dir, MIS_EXORA1, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_PSYCHORB: AddMissile(missile.position.tile, dst, dir, MIS_EXBL2, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_NECROMORB: AddMissile(missile.position.tile, dst, dir, MIS_EXRED3, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_ARCHLICH: AddMissile(missile.position.tile, dst, dir, MIS_EXYEL2, missile._micaster, missile._misource, 0, 0, &missile); break; case MIS_BONEDEMON: AddMissile(missile.position.tile, dst, dir, MIS_EXBL3, missile._micaster, missile._misource, 0, 0, &missile); break; default: break; } if (missile._mlid != NO_LIGHT) AddUnLight(missile._mlid); PutMissile(missile); } else { if (missile.position.tile != Point { missile.var1, missile.var2 }) { missile.var1 = missile.position.tile.x; missile.var2 = missile.position.tile.y; if (missile._mlid != NO_LIGHT) ChangeLight(missile._mlid, missile.position.tile, 8); } PutMissile(missile); } } else if (missile._mirange == 0) { if (missile._mlid != NO_LIGHT) AddUnLight(missile._mlid); missile._miDelFlag = true; PlaySfxLoc(LS_BSIMPCT, missile.position.tile); PutMissile(missile); } else PutMissile(missile); } void MI_Lightball(Missile &missile) { Point targetPosition = { missile.var1, missile.var2 }; missile._mirange--; int j = missile._mirange; MoveMissileAndCheckMissileCol(missile, missile._midam, missile._midam, false, false); if (missile._miHitFlag) missile._mirange = j; if (missile.position.tile == targetPosition) { Object *object = ObjectAtPosition(targetPosition); if (object != nullptr && object->IsShrine()) { missile._mirange = j; } } if (missile._mirange == 0) missile._miDelFlag = true; PutMissile(missile); } void MI_Acidpud(Missile &missile) { missile._mirange--; int range = missile._mirange; CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile, false); missile._mirange = range; if (range == 0) { if (missile._mimfnum != 0) { missile._miDelFlag = true; } else { SetMissDir(missile, 1); missile._mirange = missile._miAnimLen; } } PutMissile(missile); } void MI_Firewall(Missile &missile) { constexpr int ExpLight[14] = { 2, 3, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 12 }; missile._mirange--; if (missile._mirange == missile.var1) { SetMissDir(missile, 1); missile._miAnimFrame = GenerateRnd(11) + 1; } if (missile._mirange == missile._miAnimLen - 1) { SetMissDir(missile, 0); missile._miAnimFrame = 13; missile._miAnimAdd = -1; } CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile, true); if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } if (missile._mimfnum != 0 && missile._mirange != 0 && missile._miAnimAdd != -1 && missile.var2 < 12) { if (missile.var2 == 0) missile._mlid = AddLight(missile.position.tile, ExpLight[0]); ChangeLight(missile._mlid, missile.position.tile, ExpLight[missile.var2]); missile.var2++; } PutMissile(missile); } void MI_Fireball(Missile &missile) { missile._mirange--; int id = missile._misource; if (missile._miAnimType == MFILE_BIGEXP) { if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } } else { int minDam = missile._midam; int maxDam = missile._midam; if (missile._micaster != TARGET_MONSTERS) { auto &monster = Monsters[id]; minDam = monster.mMinDamage; maxDam = monster.mMaxDamage; } MoveMissileAndCheckMissileCol(missile, minDam, maxDam, true, false); if (missile._mirange == 0) { const Point missilePosition = missile.position.tile; ChangeLight(missile._mlid, missile.position.tile, missile._miAnimFrame); constexpr Displacement Offsets[] = { { 0, 0 }, { 0, 1 }, { 0, -1 }, { 1, 0 }, { 1, -1 }, { 1, 1 }, { -1, 0 }, { -1, 1 }, { -1, -1 } }; for (Displacement offset : Offsets) { if (!CheckBlock(missile.position.start, missilePosition + offset)) CheckMissileCol(missile, minDam, maxDam, false, missilePosition + offset, true); } if (!TransList[dTransVal[missilePosition.x][missilePosition.y]] || (missile.position.velocity.deltaX < 0 && ((TransList[dTransVal[missilePosition.x][missilePosition.y + 1]] && TileHasAny(dPiece[missilePosition.x][missilePosition.y + 1], TileProperties::Solid)) || (TransList[dTransVal[missilePosition.x][missilePosition.y - 1]] && TileHasAny(dPiece[missilePosition.x][missilePosition.y - 1], TileProperties::Solid))))) { missile.position.tile += Displacement { 1, 1 }; missile.position.offset.deltaY -= 32; } if (missile.position.velocity.deltaY > 0 && ((TransList[dTransVal[missilePosition.x + 1][missilePosition.y]] && TileHasAny(dPiece[missilePosition.x + 1][missilePosition.y], TileProperties::Solid)) || (TransList[dTransVal[missilePosition.x - 1][missilePosition.y]] && TileHasAny(dPiece[missilePosition.x - 1][missilePosition.y], TileProperties::Solid)))) { missile.position.offset.deltaY -= 32; } if (missile.position.velocity.deltaX > 0 && ((TransList[dTransVal[missilePosition.x][missilePosition.y + 1]] && TileHasAny(dPiece[missilePosition.x][missilePosition.y + 1], TileProperties::Solid)) || (TransList[dTransVal[missilePosition.x][missilePosition.y - 1]] && TileHasAny(dPiece[missilePosition.x][missilePosition.y - 1], TileProperties::Solid)))) { missile.position.offset.deltaX -= 32; } missile._mimfnum = 0; SetMissAnim(missile, MFILE_BIGEXP); missile._mirange = missile._miAnimLen - 1; missile.position.velocity = {}; } else if (missile.position.tile != Point { missile.var1, missile.var2 }) { missile.var1 = missile.position.tile.x; missile.var2 = missile.position.tile.y; ChangeLight(missile._mlid, missile.position.tile, 8); } } PutMissile(missile); } void MI_HorkSpawn(Missile &missile) { missile._mirange--; CheckMissileCol(missile, 0, 0, false, missile.position.tile, false); if (missile._mirange <= 0) { missile._miDelFlag = true; std::optional spawnPosition = FindClosestValidPosition( [](Point target) { return !IsTileOccupied(target); }, missile.position.tile, 0, 1); if (spawnPosition) { auto facing = static_cast(missile.var1); int monsterId = AddMonster(*spawnPosition, facing, 1, true); if (monsterId != -1) { M_StartStand(Monsters[monsterId], facing); } } } else { missile._midist++; missile.position.traveled += missile.position.velocity; UpdateMissilePos(missile); } PutMissile(missile); } void MI_Rune(Missile &missile) { Point position = missile.position.tile; int mid = dMonster[position.x][position.y]; int pid = dPlayer[position.x][position.y]; if (mid != 0 || pid != 0) { Point targetPosition = mid != 0 ? Monsters[abs(mid) - 1].position.tile : Players[abs(pid) - 1].position.tile; Direction dir = GetDirection(position, targetPosition); missile._miDelFlag = true; AddUnLight(missile._mlid); AddMissile(position, position, dir, static_cast(missile.var1), TARGET_BOTH, missile._misource, missile._midam, missile._mispllvl); } PutMissile(missile); } void MI_LightningWall(Missile &missile) { missile._mirange--; int range = missile._mirange; CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile, false); if (missile._miHitFlag) missile._mirange = range; if (missile._mirange == 0) missile._miDelFlag = true; PutMissile(missile); } void MI_HiveExplode(Missile &missile) { missile._mirange--; if (missile._mirange <= 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_LightningArrow(Missile &missile) { SpawnLightning(missile, missile._midam); } void MI_FireRing(Missile &missile) { missile._miDelFlag = true; int8_t src = missile._misource; uint8_t lvl = missile._micaster == TARGET_MONSTERS ? Players[src]._pLevel : currlevel; int dmg = 16 * (GenerateRndSum(10, 2) + lvl + 2) / 2; for (auto displacement : CrawlTable[3]) { Point target = Point { missile.var1, missile.var2 } + displacement; if (!InDungeonBounds(target)) continue; int dp = dPiece[target.x][target.y]; if (TileHasAny(dp, TileProperties::Solid)) continue; if (IsObjectAtPosition(target)) continue; if (!LineClearMissile(missile.position.tile, target)) continue; if (TileHasAny(dp, TileProperties::BlockMissile) || missile.limitReached) { missile.limitReached = true; continue; } AddMissile(target, target, Direction::South, MIS_FIREWALL, TARGET_BOTH, src, dmg, missile._mispllvl); } } void MI_Search(Missile &missile) { missile._mirange--; if (missile._mirange != 0) return; missile._miDelFlag = true; PlaySfxLoc(IS_CAST7, Players[missile._misource].position.tile); if (missile._misource == MyPlayerId) AutoMapShowItems = false; } void MI_LightningWallC(Missile &missile) { missile._mirange--; if (missile._mirange == 0) { missile._miDelFlag = true; return; } int id = missile._misource; int lvl = !missile.IsTrap() ? Players[id]._pLevel : 0; int dmg = 16 * (GenerateRndSum(10, 2) + lvl + 2); { Point position = { missile.var1, missile.var2 }; Point target = position + static_cast(missile.var3); if (!missile.limitReached && GrowWall(id, position, target, MIS_LIGHTWALL, missile._mispllvl, dmg)) { missile.var1 = target.x; missile.var2 = target.y; } else { missile.limitReached = true; } } { Point position = { missile.var5, missile.var6 }; Point target = position + static_cast(missile.var4); if (missile.var7 == 0 && GrowWall(id, position, target, MIS_LIGHTWALL, missile._mispllvl, dmg)) { missile.var5 = target.x; missile.var6 = target.y; } else { missile.var7 = 1; } } } void MI_FireNova(Missile &missile) { int sx1 = 0; int sy1 = 0; int id = missile._misource; int dam = missile._midam; Point src = missile.position.tile; Direction dir = Direction::South; mienemy_type en = TARGET_PLAYERS; if (!missile.IsTrap()) { dir = Players[id]._pdir; en = TARGET_MONSTERS; } for (const auto &k : VisionCrawlTable) { if (sx1 != k[6] || sy1 != k[7]) { Displacement offsets[] = { { k[6], k[7] }, { -k[6], -k[7] }, { -k[6], +k[7] }, { +k[6], -k[7] } }; for (Displacement offset : offsets) AddMissile(src, src + offset, dir, MIS_FIRENOVA, en, id, dam, missile._mispllvl); sx1 = k[6]; sy1 = k[7]; } } missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; } void MI_SpecArrow(Missile &missile) { int id = missile._misource; int dam = missile._midam; Point src = missile.position.tile; Point dst = { missile.var1, missile.var2 }; int spllvl = missile.var3; missile_id mitype = MIS_ARROW; Direction dir = Direction::South; mienemy_type micaster = TARGET_PLAYERS; if (!missile.IsTrap()) { Player &player = Players[id]; dir = player._pdir; micaster = TARGET_MONSTERS; switch (player._pILMinDam) { case 0: mitype = MIS_FIRENOVA; break; case 1: mitype = MIS_LIGHTARROW; break; case 2: mitype = MIS_CBOLTARROW; break; case 3: mitype = MIS_HBOLTARROW; break; } } AddMissile(src, dst, dir, mitype, micaster, id, dam, spllvl); if (mitype == MIS_CBOLTARROW) { AddMissile(src, dst, dir, mitype, micaster, id, dam, spllvl); AddMissile(src, dst, dir, mitype, micaster, id, dam, spllvl); } missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; } void MI_Lightctrl(Missile &missile) { missile._mirange--; int dam; if (missile.IsTrap()) { dam = GenerateRnd(currlevel) + 2 * currlevel; } else if (missile._micaster == TARGET_MONSTERS) { dam = (GenerateRnd(2) + GenerateRnd(Players[missile._misource]._pLevel) + 2) << 6; } else { auto &monster = Monsters[missile._misource]; dam = 2 * (monster.mMinDamage + GenerateRnd(monster.mMaxDamage - monster.mMinDamage + 1)); } SpawnLightning(missile, dam); } void MI_Lightning(Missile &missile) { missile._mirange--; int j = missile._mirange; if (missile.position.tile != missile.position.start) CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile, false); if (missile._miHitFlag) missile._mirange = j; if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_Town(Missile &missile) { int expLight[17] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15 }; if (missile._mirange > 1) missile._mirange--; if (missile._mirange == missile.var1) SetMissDir(missile, 1); if (leveltype != DTYPE_TOWN && missile._mimfnum != 1 && missile._mirange != 0) { if (missile.var2 == 0) missile._mlid = AddLight(missile.position.tile, 1); ChangeLight(missile._mlid, missile.position.tile, expLight[missile.var2]); missile.var2++; } for (int p = 0; p < MAX_PLRS; p++) { Player &player = Players[p]; if (player.plractive && player.isOnActiveLevel() && !player._pLvlChanging && player._pmode == PM_STAND && player.position.tile == missile.position.tile) { ClrPlrPath(player); if (p == MyPlayerId) { NetSendCmdParam1(true, CMD_WARP, missile._misource); player._pmode = PM_NEWLVL; } } } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_Flash(Missile &missile) { if (missile._micaster == TARGET_MONSTERS) { if (!missile.IsTrap()) Players[missile._misource]._pInvincible = true; } missile._mirange--; constexpr Displacement Offsets[] = { { -1, 0 }, { 0, 0 }, { 1, 0 }, { -1, 1 }, { 0, 1 }, { 1, 1 } }; for (Displacement offset : Offsets) CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile + offset, true); if (missile._mirange == 0) { missile._miDelFlag = true; if (missile._micaster == TARGET_MONSTERS) { if (!missile.IsTrap()) Players[missile._misource]._pInvincible = false; } } PutMissile(missile); } void MI_Flash2(Missile &missile) { if (missile._micaster == TARGET_MONSTERS) { if (!missile.IsTrap()) Players[missile._misource]._pInvincible = true; } missile._mirange--; constexpr Displacement Offsets[] = { { -1, -1 }, { 0, -1 }, { 1, -1 } }; for (Displacement offset : Offsets) CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile + offset, true); if (missile._mirange == 0) { missile._miDelFlag = true; if (missile._micaster == TARGET_MONSTERS) { if (!missile.IsTrap()) Players[missile._misource]._pInvincible = false; } } PutMissile(missile); } void MI_Firemove(Missile &missile) { constexpr int ExpLight[14] = { 2, 3, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 12 }; missile.var1++; if (missile.var1 == missile._miAnimLen) { SetMissDir(missile, 1); missile._miAnimFrame = GenerateRnd(11) + 1; } int j = missile._mirange; MoveMissileAndCheckMissileCol(missile, missile._midam, missile._midam, false, false); if (missile._miHitFlag) missile._mirange = j; if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } if (missile._mimfnum != 0 || missile._mirange == 0) { if (missile.position.tile != Point { missile.var3, missile.var4 }) { missile.var3 = missile.position.tile.x; missile.var4 = missile.position.tile.y; ChangeLight(missile._mlid, missile.position.tile, 8); } } else { if (missile.var2 == 0) missile._mlid = AddLight(missile.position.tile, ExpLight[0]); ChangeLight(missile._mlid, missile.position.tile, ExpLight[missile.var2]); missile.var2++; } missile.position.tile += Direction::South; missile.position.offset.deltaY -= 32; PutMissile(missile); } void MI_Guardian(Missile &missile) { missile._mirange--; if (missile.var2 > 0) { missile.var2--; } if (missile._mirange == missile.var1 || (missile._mimfnum == MFILE_GUARD && missile.var2 == 0)) { SetMissDir(missile, 1); } Point position = missile.position.tile; if ((missile._mirange % 16) == 0) { Displacement previous = { 0, 0 }; bool found = false; for (int j = 0; j < 23 && !found; j++) { for (int k = 10; k >= 0 && !found; k -= 2) { const Displacement offset { VisionCrawlTable[j][k], VisionCrawlTable[j][k + 1] }; if (offset == Displacement { 0, 0 }) { break; } if (previous == offset) { continue; } found = GuardianTryFireAt(missile, { position.x + offset.deltaX, position.y + offset.deltaY }) || GuardianTryFireAt(missile, { position.x - offset.deltaX, position.y - offset.deltaY }) || GuardianTryFireAt(missile, { position.x + offset.deltaX, position.y - offset.deltaY }) || GuardianTryFireAt(missile, { position.x - offset.deltaX, position.y + offset.deltaY }); if (!found) { previous = offset; } } } } if (missile._mirange == 14) { SetMissDir(missile, 0); missile._miAnimFrame = 15; missile._miAnimAdd = -1; } missile.var3 += missile._miAnimAdd; if (missile.var3 > 15) { missile.var3 = 15; } else if (missile.var3 > 0) { ChangeLight(missile._mlid, position, missile.var3); } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_Chain(Missile &missile) { int id = missile._misource; Point position = missile.position.tile; Point dst { missile.var1, missile.var2 }; Direction dir = GetDirection(position, dst); AddMissile(position, dst, dir, MIS_LIGHTCTRL, TARGET_MONSTERS, id, 1, missile._mispllvl); int rad = std::min(missile._mispllvl + 3, (int)CrawlTable.size() - 1); for (int i = 1; i < rad; i++) { for (auto displacement : CrawlTable[i]) { Point target = position + displacement; if (InDungeonBounds(target) && dMonster[target.x][target.y] > 0) { dir = GetDirection(position, target); AddMissile(position, target, dir, MIS_LIGHTCTRL, TARGET_MONSTERS, id, 1, missile._mispllvl); } } } missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; } void MI_Weapexp(Missile &missile) { constexpr int ExpLight[10] = { 9, 10, 11, 12, 11, 10, 8, 6, 4, 2 }; missile._mirange--; int id = missile._misource; int mind; int maxd; if (missile.var2 == 1) { mind = Players[id]._pIFMinDam; maxd = Players[id]._pIFMaxDam; MissilesData[missile._mitype].mResist = MISR_FIRE; } else { mind = Players[id]._pILMinDam; maxd = Players[id]._pILMaxDam; MissilesData[missile._mitype].mResist = MISR_LIGHTNING; } CheckMissileCol(missile, mind, maxd, false, missile.position.tile, false); if (missile.var1 == 0) { missile._mlid = AddLight(missile.position.tile, 9); } else { if (missile._mirange != 0) ChangeLight(missile._mlid, missile.position.tile, ExpLight[missile.var1]); } missile.var1++; if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } else { PutMissile(missile); } } void MI_Misexp(Missile &missile) { constexpr int ExpLight[] = { 9, 10, 11, 12, 11, 10, 8, 6, 4, 2, 1, 0, 0, 0, 0 }; missile._mirange--; if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } else { if (missile.var1 == 0) missile._mlid = AddLight(missile.position.tile, 9); else ChangeLight(missile._mlid, missile.position.tile, ExpLight[missile.var1]); missile.var1++; PutMissile(missile); } } void MI_Acidsplat(Missile &missile) { if (missile._mirange == missile._miAnimLen) { missile.position.tile += Displacement { 1, 1 }; missile.position.offset.deltaY -= 32; } missile._mirange--; if (missile._mirange == 0) { missile._miDelFlag = true; int monst = missile._misource; int dam = (Monsters[monst].MData->mLevel >= 2 ? 2 : 1); AddMissile(missile.position.tile, { 0, 0 }, Direction::South, MIS_ACIDPUD, TARGET_PLAYERS, monst, dam, missile._mispllvl); } else { PutMissile(missile); } } void MI_Teleport(Missile &missile) { missile._mirange--; if (missile._mirange <= 0) { missile._miDelFlag = true; return; } int id = missile._misource; Player &player = Players[id]; dPlayer[player.position.tile.x][player.position.tile.y] = 0; PlrClrTrans(player.position.tile); player.position.tile = missile.position.tile; player.position.future = player.position.tile; player.position.old = player.position.tile; PlrDoTrans(player.position.tile); missile.var1 = 1; dPlayer[player.position.tile.x][player.position.tile.y] = id + 1; if (leveltype != DTYPE_TOWN) { ChangeLightXY(player._plid, player.position.tile); ChangeVisionXY(player._pvid, player.position.tile); } if (id == MyPlayerId) { ViewPosition = Point { 0, 0 } + (player.position.tile - ScrollInfo.tile); } } void MI_Stone(Missile &missile) { missile._mirange--; auto &monster = Monsters[missile.var2]; if (monster._mhitpoints == 0 && missile._miAnimType != MFILE_SHATTER1) { missile._mimfnum = 0; missile._miDrawFlag = true; SetMissAnim(missile, MFILE_SHATTER1); missile._mirange = 11; } if (monster._mmode != MonsterMode::Petrified) { missile._miDelFlag = true; return; } if (missile._mirange == 0) { missile._miDelFlag = true; if (monster._mhitpoints > 0) { monster._mmode = static_cast(missile.var1); monster.AnimInfo.IsPetrified = false; } else { AddCorpse(monster.position.tile, stonendx, monster._mdir); } } if (missile._miAnimType == MFILE_SHATTER1) PutMissile(missile); } void MI_Boom(Missile &missile) { missile._mirange--; if (missile.var1 == 0) CheckMissileCol(missile, missile._midam, missile._midam, false, missile.position.tile, true); if (missile._miHitFlag) missile.var1 = 1; if (missile._mirange == 0) missile._miDelFlag = true; PutMissile(missile); } void MI_Rhino(Missile &missile) { int monst = missile._misource; auto &monster = Monsters[monst]; if (monster._mmode != MonsterMode::Charge) { missile._miDelFlag = true; return; } UpdateMissilePos(missile); Point prevPos = missile.position.tile; Point newPosSnake; dMonster[prevPos.x][prevPos.y] = 0; if (monster._mAi == AI_SNAKE) { missile.position.traveled += missile.position.velocity * 2; UpdateMissilePos(missile); newPosSnake = missile.position.tile; missile.position.traveled -= missile.position.velocity; } else { missile.position.traveled += missile.position.velocity; } UpdateMissilePos(missile); Point newPos = missile.position.tile; if (!IsTileAvailable(monster, newPos) || (monster._mAi == AI_SNAKE && !IsTileAvailable(monster, newPosSnake))) { MissToMonst(missile, prevPos); missile._miDelFlag = true; return; } monster.position.future = newPos; monster.position.old = newPos; monster.position.tile = newPos; dMonster[newPos.x][newPos.y] = -(monst + 1); if (monster._uniqtype != 0) ChangeLightXY(missile._mlid, newPos); MoveMissilePos(missile); PutMissile(missile); } void MI_FirewallC(Missile &missile) { missile._mirange--; if (missile._mirange == 0) { missile._miDelFlag = true; return; } int id = missile._misource; { Point position = { missile.var1, missile.var2 }; Point target = position + static_cast(missile.var3); if (!missile.limitReached && GrowWall(id, position, target, MIS_FIREWALL, missile._mispllvl, 0)) { missile.var1 = target.x; missile.var2 = target.y; } else { missile.limitReached = true; } } { Point position = { missile.var5, missile.var6 }; Point target = position + static_cast(missile.var4); if (missile.var7 == 0 && GrowWall(id, position, target, MIS_FIREWALL, missile._mispllvl, 0)) { missile.var5 = target.x; missile.var6 = target.y; } else { missile.var7 = 1; } } } void MI_Infra(Missile &missile) { Player &player = Players[missile._misource]; missile._mirange--; player._pInfraFlag = true; if (missile._mirange == 0) { missile._miDelFlag = true; CalcPlrItemVals(player, true); } } void MI_Apoca(Missile &missile) { for (int j = missile.var2; j < missile.var3; j++) { for (int k = missile.var4; k < missile.var5; k++) { int mid = dMonster[k][j] - 1; if (mid < 0) continue; if (Monsters[mid].MType->mtype == MT_GOLEM) continue; if (TileHasAny(dPiece[k][j], TileProperties::Solid)) continue; if (gbIsHellfire && !LineClearMissile(missile.position.tile, { k, j })) continue; int id = missile._misource; AddMissile({ k, j }, { k, j }, Players[id]._pdir, MIS_BOOM, TARGET_MONSTERS, id, missile._midam, 0); missile.var2 = j; missile.var4 = k + 1; return; } missile.var4 = missile.var6; } missile._miDelFlag = true; } void MI_Wave(Missile &missile) { bool f1 = false; bool f2 = false; int id = missile._misource; Point src = missile.position.tile; Direction sd = GetDirection(src, { missile.var1, missile.var2 }); Direction dira = Left(Left(sd)); Direction dirb = Right(Right(sd)); Point na = src + sd; int pn = dPiece[na.x][na.y]; assert(pn >= 0 && pn <= MAXTILES); if (!TileHasAny(pn, TileProperties::BlockMissile)) { Direction pdir = Players[id]._pdir; AddMissile(na, na + sd, pdir, MIS_FIREMOVE, TARGET_MONSTERS, id, 0, missile._mispllvl); na += dira; Point nb = src + sd + dirb; for (int j = 0; j < (missile._mispllvl / 2) + 2; j++) { pn = dPiece[na.x][na.y]; // BUGFIX: dPiece is accessed before check against dungeon size and 0 assert(pn >= 0 && pn <= MAXTILES); if (TileHasAny(pn, TileProperties::BlockMissile) || f1 || !InDungeonBounds(na)) { f1 = true; } else { AddMissile(na, na + sd, pdir, MIS_FIREMOVE, TARGET_MONSTERS, id, 0, missile._mispllvl); na += dira; } pn = dPiece[nb.x][nb.y]; // BUGFIX: dPiece is accessed before check against dungeon size and 0 assert(pn >= 0 && pn <= MAXTILES); if (TileHasAny(pn, TileProperties::BlockMissile) || f2 || !InDungeonBounds(nb)) { f2 = true; } else { AddMissile(nb, nb + sd, pdir, MIS_FIREMOVE, TARGET_MONSTERS, id, 0, missile._mispllvl); nb += dirb; } } } missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; } void MI_Nova(Missile &missile) { int sx1 = 0; int sy1 = 0; int id = missile._misource; int dam = missile._midam; Point src = missile.position.tile; Direction dir = Direction::South; mienemy_type en = TARGET_PLAYERS; if (!missile.IsTrap()) { dir = Players[id]._pdir; en = TARGET_MONSTERS; } for (const auto &k : VisionCrawlTable) { if (sx1 != k[6] || sy1 != k[7]) { AddMissile(src, src + Displacement { k[6], k[7] }, dir, MIS_LIGHTBALL, en, id, dam, missile._mispllvl); AddMissile(src, src + Displacement { -k[6], -k[7] }, dir, MIS_LIGHTBALL, en, id, dam, missile._mispllvl); AddMissile(src, src + Displacement { -k[6], k[7] }, dir, MIS_LIGHTBALL, en, id, dam, missile._mispllvl); AddMissile(src, src + Displacement { k[6], -k[7] }, dir, MIS_LIGHTBALL, en, id, dam, missile._mispllvl); sx1 = k[6]; sy1 = k[7]; } } missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; } void MI_Blodboil(Missile &missile) { missile._mirange--; if (missile._mirange != 0) { return; } int id = missile._misource; Player &player = Players[id]; int hpdif = player._pMaxHP - player._pHitPoints; if (HasAnyOf(player._pSpellFlags, SpellFlag::RageActive)) { player._pSpellFlags &= ~SpellFlag::RageActive; player._pSpellFlags |= SpellFlag::RageCooldown; int lvl = player._pLevel * 2; missile._mirange = lvl + 10 * missile._mispllvl + 245; } else { player._pSpellFlags &= ~SpellFlag::RageCooldown; missile._miDelFlag = true; hpdif += missile.var2; } CalcPlrItemVals(player, true); ApplyPlrDamage(id, 0, 1, hpdif); force_redraw = 255; player.Say(HeroSpeech::HeavyBreathing); } void MI_Flame(Missile &missile) { missile._mirange--; missile.var2--; int k = missile._mirange; CheckMissileCol(missile, missile._midam, missile._midam, true, missile.position.tile, false); if (missile._mirange == 0 && missile._miHitFlag) missile._mirange = k; if (missile.var2 == 0) missile._miAnimFrame = 20; if (missile.var2 <= 0) { k = missile._miAnimFrame; if (k > 11) k = 24 - k; ChangeLight(missile._mlid, missile.position.tile, k); } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } if (missile.var2 <= 0) PutMissile(missile); } void MI_Flamec(Missile &missile) { missile._mirange--; int src = missile._misource; missile.position.traveled += missile.position.velocity; UpdateMissilePos(missile); if (missile.position.tile != Point { missile.var1, missile.var2 }) { int id = dPiece[missile.position.tile.x][missile.position.tile.y]; if (!TileHasAny(id, TileProperties::BlockMissile)) { AddMissile( missile.position.tile, missile.position.start, Direction::South, MIS_FLAME, missile._micaster, src, missile.var3, missile._mispllvl); } else { missile._mirange = 0; } missile.var1 = missile.position.tile.x; missile.var2 = missile.position.tile.y; missile.var3++; } if (missile._mirange == 0 || missile.var3 == 3) missile._miDelFlag = true; } void MI_Cbolt(Missile &missile) { missile._mirange--; if (missile._miAnimType != MFILE_LGHNING) { if (missile.var3 == 0) { constexpr int BPath[16] = { -1, 0, 1, -1, 0, 1, -1, -1, 0, 0, 1, 1, 0, 1, -1, 0 }; auto md = static_cast(missile.var2); switch (BPath[missile._mirnd]) { case -1: md = Left(md); break; case 1: md = Right(md); break; } missile._mirnd = (missile._mirnd + 1) & 0xF; UpdateMissileVelocity(missile, missile.position.tile + md, 8); missile.var3 = 16; } else { missile.var3--; } MoveMissileAndCheckMissileCol(missile, missile._midam, missile._midam, false, false); if (missile._miHitFlag) { missile.var1 = 8; missile._mimfnum = 0; missile.position.offset = { 0, 0 }; missile.position.velocity = {}; SetMissAnim(missile, MFILE_LGHNING); missile._mirange = missile._miAnimLen; } ChangeLight(missile._mlid, missile.position.tile, missile.var1); } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } void MI_Hbolt(Missile &missile) { missile._mirange--; if (missile._miAnimType != MFILE_HOLYEXPL) { int dam = missile._midam; MoveMissileAndCheckMissileCol(missile, dam, dam, true, true); if (missile._mirange == 0) { missile._mimfnum = 0; SetMissAnim(missile, MFILE_HOLYEXPL); missile._mirange = missile._miAnimLen - 1; missile.position.StopMissile(); } else { if (missile.position.tile != Point { missile.var1, missile.var2 }) { missile.var1 = missile.position.tile.x; missile.var2 = missile.position.tile.y; ChangeLight(missile._mlid, missile.position.tile, 8); } } } else { ChangeLight(missile._mlid, missile.position.tile, missile._miAnimFrame + 7); if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } } PutMissile(missile); } void MI_Element(Missile &missile) { missile._mirange--; int dam = missile._midam; int id = missile._misource; const Point missilePosition = missile.position.tile; if (missile._miAnimType == MFILE_BIGEXP) { ChangeLight(missile._mlid, missile.position.tile, missile._miAnimFrame); Point startPoint = missile.var3 == 2 ? Point { missile.var4, missile.var5 } : missile.position.start; constexpr Displacement Offsets[] = { { 0, 0 }, { 0, 1 }, { 0, -1 }, { 1, 0 }, { 1, -1 }, { 1, 1 }, { -1, 0 }, { -1, 1 }, { -1, -1 } }; for (Displacement offset : Offsets) { if (!CheckBlock(startPoint, missilePosition + offset)) CheckMissileCol(missile, dam, dam, true, missilePosition + offset, true); } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } } else { MoveMissileAndCheckMissileCol(missile, dam, dam, false, false); if (missile.var3 == 0 && missilePosition == Point { missile.var4, missile.var5 }) missile.var3 = 1; if (missile.var3 == 1) { missile.var3 = 2; missile._mirange = 255; auto *nextMonster = FindClosest(missilePosition, 19); if (nextMonster != nullptr) { Direction sd = GetDirection(missilePosition, nextMonster->position.tile); SetMissDir(missile, sd); UpdateMissileVelocity(missile, nextMonster->position.tile, 16); } else { Direction sd = Players[id]._pdir; SetMissDir(missile, sd); UpdateMissileVelocity(missile, missilePosition + sd, 16); } } if (missilePosition != Point { missile.var1, missile.var2 }) { missile.var1 = missilePosition.x; missile.var2 = missilePosition.y; ChangeLight(missile._mlid, missilePosition, 8); } if (missile._mirange == 0) { missile._mimfnum = 0; SetMissAnim(missile, MFILE_BIGEXP); missile._mirange = missile._miAnimLen - 1; missile.position.StopMissile(); } } PutMissile(missile); } void MI_Bonespirit(Missile &missile) { missile._mirange--; int dam = missile._midam; int id = missile._misource; if (missile._mimfnum == 8) { ChangeLight(missile._mlid, missile.position.tile, missile._miAnimFrame); if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } else { MoveMissileAndCheckMissileCol(missile, dam, dam, false, false); Point c = missile.position.tile; if (missile.var3 == 0 && c == Point { missile.var4, missile.var5 }) missile.var3 = 1; if (missile.var3 == 1) { missile.var3 = 2; missile._mirange = 255; auto *monster = FindClosest(c, 19); if (monster != nullptr) { missile._midam = monster->_mhitpoints >> 7; SetMissDir(missile, GetDirection(c, monster->position.tile)); UpdateMissileVelocity(missile, monster->position.tile, 16); } else { Direction sd = Players[id]._pdir; SetMissDir(missile, sd); UpdateMissileVelocity(missile, c + sd, 16); } } if (c != Point { missile.var1, missile.var2 }) { missile.var1 = c.x; missile.var2 = c.y; ChangeLight(missile._mlid, c, 8); } if (missile._mirange == 0) { SetMissDir(missile, 8); missile.position.velocity = {}; missile._mirange = 7; } PutMissile(missile); } } void MI_ResurrectBeam(Missile &missile) { missile._mirange--; if (missile._mirange == 0) missile._miDelFlag = true; PutMissile(missile); } void MI_Rportal(Missile &missile) { int expLight[17] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15 }; if (missile._mirange > 1) missile._mirange--; if (missile._mirange == missile.var1) SetMissDir(missile, 1); if (leveltype != DTYPE_TOWN && missile._mimfnum != 1 && missile._mirange != 0) { if (missile.var2 == 0) missile._mlid = AddLight(missile.position.tile, 1); ChangeLight(missile._mlid, missile.position.tile, expLight[missile.var2]); missile.var2++; } if (missile._mirange == 0) { missile._miDelFlag = true; AddUnLight(missile._mlid); } PutMissile(missile); } static void DeleteMissiles() { Missiles.remove_if([](Missile &missile) { return missile._miDelFlag; }); } void ProcessManaShield() { Player &myPlayer = *MyPlayer; if (myPlayer.pManaShield && myPlayer._pMana <= 0) { myPlayer.pManaShield = false; NetSendCmd(true, CMD_REMSHIELD); } } void ProcessMissiles() { for (auto &missile : Missiles) { const auto &position = missile.position.tile; if (InDungeonBounds(position)) { dFlags[position.x][position.y] &= ~DungeonFlag::Missile; } else { missile._miDelFlag = true; } } DeleteMissiles(); MissilePreFlag = false; for (auto &missile : Missiles) { if (MissilesData[missile._mitype].mProc != nullptr) MissilesData[missile._mitype].mProc(missile); if (missile._miAnimFlags == MissileDataFlags::NotAnimated) continue; missile._miAnimCnt++; if (missile._miAnimCnt < missile._miAnimDelay) continue; missile._miAnimCnt = 0; missile._miAnimFrame += missile._miAnimAdd; if (missile._miAnimFrame > missile._miAnimLen) missile._miAnimFrame = 1; else if (missile._miAnimFrame < 1) missile._miAnimFrame = missile._miAnimLen; } ProcessManaShield(); DeleteMissiles(); } void missiles_process_charge() { for (auto &missile : Missiles) { missile._miAnimData = MissileSpriteData[missile._miAnimType].GetFrame(missile._mimfnum); if (missile._mitype != MIS_RHINO) continue; CMonster *mon = Monsters[missile._misource].MType; MonsterGraphic graphic; if (IsAnyOf(mon->mtype, MT_HORNED, MT_MUDRUN, MT_FROSTC, MT_OBLORD)) { graphic = MonsterGraphic::Special; } else if (IsAnyOf(mon->mtype, MT_NSNAKE, MT_RSNAKE, MT_BSNAKE, MT_GSNAKE)) { graphic = MonsterGraphic::Attack; } else { graphic = MonsterGraphic::Walk; } missile._miAnimData = mon->GetAnimData(graphic).CelSpritesForDirections[missile._mimfnum]; } } void RedoMissileFlags() { for (auto &missile : Missiles) { PutMissile(missile); } } } // namespace devilution