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devilutionX/Source/levels/drlg_l4.cpp

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/**
* @file levels/drlg_l4.cpp
*
* Implementation of the hell level generation algorithms.
*/
#include "levels/drlg_l4.h"
#include "engine/load_file.hpp"
#include "engine/random.hpp"
#include "levels/gendung.h"
#include "monster.h"
#include "multi.h"
#include "objdat.h"
namespace devilution {
Point DiabloQuad1;
Point DiabloQuad2;
Point DiabloQuad3;
Point DiabloQuad4;
namespace {
bool hallok[20];
Point L4Hold;
/**
* A lookup table for the 16 possible patterns of a 2x2 area,
* where each cell either contains a SW wall or it doesn't.
*/
const BYTE L4ConvTbl[16] = { 30, 6, 1, 6, 2, 6, 6, 6, 9, 6, 1, 6, 2, 6, 3, 6 };
/** Miniset: Stairs up. */
const Miniset L4USTAIRS {
{ 4, 5 },
{
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
},
{
{ 0, 0, 0, 0 },
{ 36, 38, 35, 0 },
{ 37, 34, 33, 32 },
{ 0, 0, 31, 0 },
{ 0, 0, 0, 0 },
}
};
/** Miniset: Stairs up to town. */
const Miniset L4TWARP {
{ 4, 5 },
{
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
{ 6, 6, 6, 6 },
},
{
{ 0, 0, 0, 0 },
{ 134, 136, 133, 0 },
{ 135, 132, 131, 130 },
{ 0, 0, 129, 0 },
{ 0, 0, 0, 0 },
}
};
/** Miniset: Stairs down. */
const Miniset L4DSTAIRS {
{ 5, 5 },
{
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
},
{
{ 0, 0, 0, 0, 0 },
{ 0, 0, 45, 41, 0 },
{ 0, 44, 43, 40, 0 },
{ 0, 46, 42, 39, 0 },
{ 0, 0, 0, 0, 0 },
}
};
/** Miniset: Pentagram. */
const Miniset L4PENTA {
{ 5, 5 },
{
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
},
{
{ 0, 0, 0, 0, 0 },
{ 0, 98, 100, 103, 0 },
{ 0, 99, 102, 105, 0 },
{ 0, 101, 104, 106, 0 },
{ 0, 0, 0, 0, 0 },
}
};
/** Miniset: Pentagram portal. */
const Miniset L4PENTA2 {
{ 5, 5 },
{
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
{ 6, 6, 6, 6, 6 },
},
{
{ 0, 0, 0, 0, 0 },
{ 0, 107, 109, 112, 0 },
{ 0, 108, 111, 114, 0 },
{ 0, 110, 113, 115, 0 },
{ 0, 0, 0, 0, 0 },
}
};
/** Maps tile IDs to their corresponding undecorated tile ID. */
const BYTE L4BTYPES[140] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 6,
6, 6, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 2, 1, 2, 1, 2, 1, 1, 2,
2, 0, 0, 0, 0, 0, 0, 15, 16, 9,
12, 4, 5, 7, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
void ApplyShadowsPatterns()
{
for (int y = 1; y < DMAXY; y++) {
for (int x = 1; x < DMAXY; x++) {
if (IsNoneOf(dungeon[x][y], 3, 4, 8, 15)) {
continue;
}
if (dungeon[x - 1][y] == 6) {
dungeon[x - 1][y] = 47;
}
if (dungeon[x - 1][y - 1] == 6) {
dungeon[x - 1][y - 1] = 48;
}
}
}
}
void LoadQuestSetPieces()
{
if (Quests[Q_WARLORD].IsAvailable()) {
pSetPiece = LoadFileInMem<uint16_t>("Levels\\L4Data\\Warlord.DUN");
} else if (currlevel == 15 && gbIsMultiplayer) {
pSetPiece = LoadFileInMem<uint16_t>("Levels\\L4Data\\Vile1.DUN");
}
}
void InitDungeonFlags()
{
DungeonMask.reset();
Protected.reset();
memset(dungeon, 30, sizeof(dungeon));
}
void MapRoom(Rectangle room)
{
for (int y = 0; y < room.size.height && y + room.position.y < 20; y++) {
for (int x = 0; x < room.size.width && x + room.position.x < 20; x++) {
DungeonMask.set(room.position.x + x, room.position.y + y);
}
}
}
bool CheckRoom(Rectangle room)
{
if (room.position.x <= 0 || room.position.y <= 0) {
return false;
}
for (int y = 0; y < room.size.height; y++) {
for (int x = 0; x < room.size.width; x++) {
if (x + room.position.x < 0 || x + room.position.x >= DMAXX / 2 || y + room.position.y < 0 || y + room.position.y >= DMAXY / 2) {
return false;
}
if (DungeonMask.test(room.position.x + x, room.position.y + y)) {
return false;
}
}
}
return true;
}
void GenerateRoom(Rectangle area, bool verticalLayout)
{
bool rotate = !FlipCoin(4);
verticalLayout = (!verticalLayout && rotate) || (verticalLayout && !rotate);
bool placeRoom1;
Rectangle room1;
for (int num = 0; num < 20; num++) {
room1.size = { (GenerateRnd(5) + 2) & ~1, (GenerateRnd(5) + 2) & ~1 };
room1.position = area.position;
if (verticalLayout) {
room1.position += Displacement { -room1.size.width, area.size.height / 2 - room1.size.height / 2 };
placeRoom1 = CheckRoom({ room1.position + Displacement { -1, -1 }, { room1.size.height + 2, room1.size.width + 1 } }); /// BUGFIX: swap height and width ({ room1.size.width + 1, room1.size.height + 2 }) (workaround applied below)
} else {
room1.position += Displacement { area.size.width / 2 - room1.size.width / 2, -room1.size.height };
placeRoom1 = CheckRoom({ room1.position + Displacement { -1, -1 }, { room1.size.width + 2, room1.size.height + 1 } });
}
if (placeRoom1)
break;
}
if (placeRoom1)
MapRoom({ room1.position, { std::min(DMAXX - room1.position.x, room1.size.width), std::min(DMAXX - room1.position.y, room1.size.height) } });
bool placeRoom2;
Rectangle room2 = room1;
if (verticalLayout) {
room2.position.x = area.position.x + area.size.width;
placeRoom2 = CheckRoom({ room2.position + Displacement { 0, -1 }, { room2.size.width + 1, room2.size.height + 2 } });
} else {
room2.position.y = area.position.y + area.size.height;
placeRoom2 = CheckRoom({ room2.position + Displacement { -1, 0 }, { room2.size.width + 2, room2.size.height + 1 } });
}
if (placeRoom2)
MapRoom(room2);
if (placeRoom1)
GenerateRoom(room1, verticalLayout);
if (placeRoom2)
GenerateRoom(room2, verticalLayout);
}
void FirstRoom()
{
Rectangle room { { 0, 0 }, { 14, 14 } };
if (currlevel != 16) {
if (currlevel == Quests[Q_WARLORD]._qlevel && Quests[Q_WARLORD]._qactive != QUEST_NOTAVAIL) {
assert(!gbIsMultiplayer);
room.size = { 11, 11 };
} else if (currlevel == Quests[Q_BETRAYER]._qlevel && gbIsMultiplayer) {
room.size = { 11, 11 };
} else {
room.size = { GenerateRnd(5) + 2, GenerateRnd(5) + 2 };
}
}
int xmin = (DMAXX / 2 - room.size.width) / 2;
int xmax = DMAXX / 2 - 1 - room.size.width;
int ymin = (DMAXY / 2 - room.size.height) / 2;
int ymax = DMAXY / 2 - 1 - room.size.height;
room.position = { GenerateRnd(xmax - xmin + 1) + xmin, GenerateRnd(ymax - ymin + 1) + ymin };
if (currlevel == 16) {
L4Hold = room.position;
}
if (Quests[Q_WARLORD].IsAvailable() || (currlevel == Quests[Q_BETRAYER]._qlevel && gbIsMultiplayer)) {
SetPieceRoom = { room.position + Displacement { 1, 1 }, { room.size.width + 1, room.size.height + 1 } };
} else {
SetPieceRoom = {};
}
MapRoom(room);
GenerateRoom(room, GenerateRnd(2));
}
void MakeDungeon()
{
for (int y = 0; y < DMAXY / 2; y++) {
for (int x = 0; x < DMAXX / 2; x++) {
if (DungeonMask.test(x, y)) {
DungeonMask.set(x, DMAXY - 1 - y);
DungeonMask.set(DMAXX - 1 - x, y);
DungeonMask.set(DMAXX - 1 - x, DMAXY - 1 - y);
}
}
}
}
void MakeDmt()
{
for (int y = 0; y < DMAXY - 1; y++) {
for (int x = 0; x < DMAXX - 1; x++) {
int val = (DungeonMask.test(x + 1, y + 1) << 3) | (DungeonMask.test(x, y + 1) << 2) | (DungeonMask.test(x + 1, y) << 1) | DungeonMask.test(x, y);
dungeon[x][y] = L4ConvTbl[val];
}
}
}
int HorizontalWallOk(int i, int j)
{
int x;
for (x = 1; dungeon[i + x][j] == 6; x++) {
if (Protected.test(i + x, j)) {
break;
}
if (dungeon[i + x][j - 1] != 6) {
break;
}
if (dungeon[i + x][j + 1] != 6) {
break;
}
}
if (IsAnyOf(dungeon[i + x][j], 10, 12, 13, 15, 16, 21, 22) && x > 3)
return x;
return -1;
}
int VerticalWallOk(int i, int j)
{
int y;
for (y = 1; dungeon[i][j + y] == 6; y++) {
if (Protected.test(i, j + y)) {
break;
}
if (dungeon[i - 1][j + y] != 6) {
break;
}
if (dungeon[i + 1][j + y] != 6) {
break;
}
}
if (IsAnyOf(dungeon[i][j + y], 8, 9, 11, 14, 15, 16, 21, 23) && y > 3)
return y;
return -1;
}
void HorizontalWall(int i, int j, int dx)
{
if (dungeon[i][j] == 13) {
dungeon[i][j] = 17;
}
if (dungeon[i][j] == 16) {
dungeon[i][j] = 11;
}
if (dungeon[i][j] == 12) {
dungeon[i][j] = 14;
}
for (int xx = 1; xx < dx; xx++) {
dungeon[i + xx][j] = 2;
}
if (dungeon[i + dx][j] == 15) {
dungeon[i + dx][j] = 14;
}
if (dungeon[i + dx][j] == 10) {
dungeon[i + dx][j] = 17;
}
if (dungeon[i + dx][j] == 21) {
dungeon[i + dx][j] = 23;
}
if (dungeon[i + dx][j] == 22) {
dungeon[i + dx][j] = 29;
}
int xx = GenerateRnd(dx - 3) + 1;
dungeon[i + xx][j] = 57;
dungeon[i + xx + 2][j] = 56;
dungeon[i + xx + 1][j] = 60;
if (dungeon[i + xx][j - 1] == 6) {
dungeon[i + xx][j - 1] = 58;
}
if (dungeon[i + xx + 1][j - 1] == 6) {
dungeon[i + xx + 1][j - 1] = 59;
}
}
void VerticalWall(int i, int j, int dy)
{
if (dungeon[i][j] == 14) {
dungeon[i][j] = 17;
}
if (dungeon[i][j] == 8) {
dungeon[i][j] = 9;
}
if (dungeon[i][j] == 15) {
dungeon[i][j] = 10;
}
for (int yy = 1; yy < dy; yy++) {
dungeon[i][j + yy] = 1;
}
if (dungeon[i][j + dy] == 11) {
dungeon[i][j + dy] = 17;
}
if (dungeon[i][j + dy] == 9) {
dungeon[i][j + dy] = 10;
}
if (dungeon[i][j + dy] == 16) {
dungeon[i][j + dy] = 13;
}
if (dungeon[i][j + dy] == 21) {
dungeon[i][j + dy] = 22;
}
if (dungeon[i][j + dy] == 23) {
dungeon[i][j + dy] = 29;
}
int yy = GenerateRnd(dy - 3) + 1;
dungeon[i][j + yy] = 53;
dungeon[i][j + yy + 2] = 52;
dungeon[i][j + yy + 1] = 6;
if (dungeon[i - 1][j + yy] == 6) {
dungeon[i - 1][j + yy] = 54;
}
if (dungeon[i - 1][j + yy - 1] == 6) {
dungeon[i - 1][j + yy - 1] = 55;
}
}
void AddWall()
{
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (Protected.test(i, j)) {
continue;
}
for (auto d : { 10, 12, 13, 15, 16, 21, 22 }) {
if (d == dungeon[i][j]) {
AdvanceRndSeed();
int x = HorizontalWallOk(i, j);
if (x != -1) {
HorizontalWall(i, j, x);
}
}
}
for (auto d : { 8, 9, 11, 14, 15, 16, 21, 23 }) {
if (d == dungeon[i][j]) {
AdvanceRndSeed();
int y = VerticalWallOk(i, j);
if (y != -1) {
VerticalWall(i, j, y);
}
}
}
}
}
}
void FixTilesPatterns()
{
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 6)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 13;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 14;
}
}
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 6)
dungeon[i + 1][j] = 2;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 9 && dungeon[i + 1][j] == 6)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 13;
if (dungeon[i][j] == 6 && dungeon[i + 1][j] == 14)
dungeon[i + 1][j] = 15;
if (dungeon[i][j] == 6 && dungeon[i][j + 1] == 13)
dungeon[i][j + 1] = 16;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 6 && dungeon[i][j - 1] == 1)
dungeon[i][j - 1] = 1;
}
}
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 27;
if (dungeon[i][j] == 27 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 27;
if (dungeon[i][j] == 27 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 27)
dungeon[i + 1][j] = 26;
if (dungeon[i][j] == 27 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 15)
dungeon[i + 1][j] = 14;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 15)
dungeon[i + 1][j] = 14;
if (dungeon[i][j] == 22 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 27 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 6 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] != 0) /* check */
dungeon[i + 1][j] = 22;
if (dungeon[i][j] == 22 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 1 && dungeon[i + 1][j - 1] == 1)
dungeon[i + 1][j] = 13;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 30 && dungeon[i][j + 1] == 6)
dungeon[i + 1][j] = 28;
if (dungeon[i][j] == 16 && dungeon[i + 1][j] == 6 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 27;
if (dungeon[i][j] == 16 && dungeon[i][j + 1] == 30 && dungeon[i + 1][j + 1] == 30)
dungeon[i][j + 1] = 27;
if (dungeon[i][j] == 6 && dungeon[i + 1][j] == 30 && dungeon[i + 1][j - 1] == 6)
dungeon[i + 1][j] = 21;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] == 9)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 9 && dungeon[i + 1][j] == 15)
dungeon[i + 1][j] = 14;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] == 2)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 18)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 9 && dungeon[i + 1][j] == 15)
dungeon[i + 1][j] = 14;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 19 && dungeon[i + 1][j - 1] == 30)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 24 && dungeon[i][j - 1] == 30 && dungeon[i][j - 2] == 6)
dungeon[i][j - 1] = 21;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 28;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 28;
if (dungeon[i][j] == 28 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 28 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 19 && dungeon[i + 2][j] == 2 && dungeon[i + 1][j - 1] == 18 && dungeon[i + 1][j + 1] == 1)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 19 && dungeon[i + 2][j] == 2 && dungeon[i + 1][j - 1] == 22 && dungeon[i + 1][j + 1] == 1)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 19 && dungeon[i + 2][j] == 2 && dungeon[i + 1][j - 1] == 18 && dungeon[i + 1][j + 1] == 13)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 21 && dungeon[i + 2][j] == 2 && dungeon[i + 1][j - 1] == 18 && dungeon[i + 1][j + 1] == 1)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 21 && dungeon[i + 1][j + 1] == 1 && dungeon[i + 1][j - 1] == 22 && dungeon[i + 2][j] == 3)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 28 && dungeon[i + 2][j] == 30 && dungeon[i + 1][j - 1] == 6)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 28 && dungeon[i + 2][j] == 1)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] == 30)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 28 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 21 && dungeon[i + 1][j - 1] == 21)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] == 30)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 18)
dungeon[i + 1][j] = 25;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 9 && dungeon[i + 2][j] == 2)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 10)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 15 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 22 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 18 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 24 && dungeon[i - 1][j] == 30)
dungeon[i - 1][j] = 19;
if (dungeon[i][j] == 21 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 21 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 22 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 21 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 16 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 22 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 18 && dungeon[i + 2][j] == 30)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 9 && dungeon[i + 1][j + 1] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 27 && dungeon[i + 1][j + 1] == 2)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 23 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 23 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 25 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 22 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 23 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 11 && dungeon[i + 1][j] == 15)
dungeon[i + 1][j] = 14;
if (dungeon[i][j] == 23 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 27)
dungeon[i + 1][j] = 26;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 18)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 26 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 29 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 29 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 1 && dungeon[i][j - 1] == 15)
dungeon[i][j - 1] = 10;
if (dungeon[i][j] == 18 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 23 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 18 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 30 && dungeon[i + 1][j + 1] == 30)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 28 && dungeon[i + 1][j - 1] == 6)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 23 && dungeon[i + 1][j] == 18 && dungeon[i][j - 1] == 6)
dungeon[i + 1][j] = 24;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 23 && dungeon[i + 2][j] == 30)
dungeon[i + 1][j] = 28;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 28 && dungeon[i + 2][j] == 30 && dungeon[i + 1][j - 1] == 6)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 23 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 29 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 29 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 26 && dungeon[i + 1][j] == 30)
dungeon[i + 1][j] = 19;
if (dungeon[i][j] == 16 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 25 && dungeon[i][j + 1] == 30)
dungeon[i][j + 1] = 18;
if (dungeon[i][j] == 18 && dungeon[i][j + 1] == 2)
dungeon[i][j + 1] = 15;
if (dungeon[i][j] == 11 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 13;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 13 && dungeon[i + 1][j - 1] == 6)
dungeon[i + 1][j] = 16;
}
}
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 21 && dungeon[i][j + 1] == 24 && dungeon[i][j + 2] == 1)
dungeon[i][j + 1] = 17;
if (dungeon[i][j] == 15 && dungeon[i + 1][j + 1] == 9 && dungeon[i + 1][j - 1] == 1 && dungeon[i + 2][j] == 16)
dungeon[i + 1][j] = 29;
if (dungeon[i][j] == 2 && dungeon[i - 1][j] == 6)
dungeon[i - 1][j] = 8;
if (dungeon[i][j] == 1 && dungeon[i][j - 1] == 6)
dungeon[i][j - 1] = 7;
if (dungeon[i][j] == 6 && dungeon[i + 1][j] == 15 && dungeon[i + 1][j + 1] == 4)
dungeon[i + 1][j] = 10;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 6)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 9 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 10 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 16)
dungeon[i][j + 1] = 13;
if (dungeon[i][j] == 6 && dungeon[i][j + 1] == 13)
dungeon[i][j + 1] = 16;
if (dungeon[i][j] == 25 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 28 && dungeon[i][j - 1] == 6 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 10)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 11 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 10 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 27 && dungeon[i + 1][j] == 9)
dungeon[i + 1][j] = 11;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 1)
dungeon[i + 1][j] = 16;
if (dungeon[i][j] == 11 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 9 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 14 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 3)
dungeon[i + 1][j] = 5;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 5 && dungeon[i + 1][j - 1] == 16)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 2 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 9 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 1 && dungeon[i][j - 1] == 8)
dungeon[i][j - 1] = 9;
if (dungeon[i][j] == 28 && dungeon[i + 1][j] == 23 && dungeon[i + 1][j + 1] == 3)
dungeon[i + 1][j] = 16;
}
}
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 10)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 17 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 10 && dungeon[i + 1][j] == 4)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 17 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 29 && dungeon[i][j + 1] == 9)
dungeon[i][j + 1] = 10;
if (dungeon[i][j] == 13 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 9 && dungeon[i][j + 1] == 16)
dungeon[i][j + 1] = 13;
if (dungeon[i][j] == 10 && dungeon[i][j + 1] == 16)
dungeon[i][j + 1] = 13;
if (dungeon[i][j] == 16 && dungeon[i][j + 1] == 3)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 11 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 10 && dungeon[i + 1][j] == 3 && dungeon[i + 1][j - 1] == 16)
dungeon[i + 1][j] = 12;
if (dungeon[i][j] == 16 && dungeon[i][j + 1] == 5)
dungeon[i][j + 1] = 12;
if (dungeon[i][j] == 1 && dungeon[i][j + 1] == 6)
dungeon[i][j + 1] = 4;
if (dungeon[i][j] == 21 && dungeon[i + 1][j] == 13 && dungeon[i][j + 1] == 10)
dungeon[i + 1][j + 1] = 12;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 10)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 22 && dungeon[i][j + 1] == 11)
dungeon[i][j + 1] = 17;
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 28 && dungeon[i + 2][j] == 16)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 28 && dungeon[i + 1][j] == 23 && dungeon[i + 1][j + 1] == 1 && dungeon[i + 2][j] == 6)
dungeon[i + 1][j] = 16;
}
}
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (dungeon[i][j] == 15 && dungeon[i + 1][j] == 28 && dungeon[i + 2][j] == 16)
dungeon[i + 1][j] = 23;
if (dungeon[i][j] == 21 && dungeon[i + 1][j - 1] == 21 && dungeon[i + 1][j + 1] == 13 && dungeon[i + 2][j] == 2)
dungeon[i + 1][j] = 17;
if (dungeon[i][j] == 19 && dungeon[i + 1][j] == 15 && dungeon[i + 1][j + 1] == 12)
dungeon[i + 1][j] = 17;
}
}
}
void Substitution()
{
for (int y = 0; y < DMAXY; y++) {
for (int x = 0; x < DMAXX; x++) {
if (FlipCoin(3)) {
uint8_t c = L4BTYPES[dungeon[x][y]];
if (c != 0 && !Protected.test(x, y)) {
int rv = GenerateRnd(16);
int i = -1;
while (rv >= 0) {
i++;
if (i == sizeof(L4BTYPES)) {
i = 0;
}
if (c == L4BTYPES[i]) {
rv--;
}
}
dungeon[x][y] = i;
}
}
}
}
for (int y = 0; y < DMAXY; y++) {
for (int x = 0; x < DMAXX; x++) {
if (FlipCoin(10)) {
uint8_t c = dungeon[x][y];
if (L4BTYPES[c] == 6 && !Protected.test(x, y)) {
dungeon[x][y] = GenerateRnd(3) + 95;
}
}
}
}
}
void UShape()
{
for (int y = DMAXY / 2 - 1; y >= 0; y--) {
for (int x = DMAXX / 2 - 1; x >= 0; x--) {
if (!DungeonMask.test(x, y)) {
hallok[y] = false;
} else {
hallok[y] = x + 1 < DMAXX / 2 && y + 1 < DMAXY / 2 && DungeonMask.test(x, y + 1) && !DungeonMask.test(x + 1, y + 1);
x = 0;
}
}
}
int ry = GenerateRnd(DMAXY / 2 - 1) + 1;
do {
if (hallok[ry]) {
for (int x = DMAXX / 2 - 1; x >= 0; x--) {
if (DungeonMask.test(x, ry)) {
x = -1;
ry = 0;
} else {
DungeonMask.set(x, ry);
DungeonMask.set(x, ry + 1);
}
}
} else {
ry++;
if (ry == DMAXY / 2) {
ry = 1;
}
}
} while (ry != 0);
for (int x = DMAXX / 2 - 1; x >= 0; x--) {
for (int y = DMAXY / 2 - 1; y >= 0; y--) {
if (!DungeonMask.test(x, y)) {
hallok[x] = false;
} else {
hallok[x] = x + 1 < DMAXX / 2 && y + 1 < DMAXY / 2 && DungeonMask.test(x + 1, y) && !DungeonMask.test(x + 1, y + 1);
y = 0;
}
}
}
int rx = GenerateRnd(DMAXX / 2 - 1) + 1;
do {
if (hallok[rx]) {
for (int y = DMAXY / 2 - 1; y >= 0; y--) {
if (DungeonMask.test(rx, y)) {
y = -1;
rx = 0;
} else {
DungeonMask.set(rx, y);
DungeonMask.set(rx + 1, y);
}
}
} else {
rx++;
if (rx == DMAXX / 2) {
rx = 1;
}
}
} while (rx != 0);
}
/**
* @brief Find the number of mega tiles used by layout
*/
int FindArea()
{
int area = 0;
for (int y = 0; y < DMAXY / 2; y++) {
for (int x = 0; x < DMAXX / 2; x++) { // NOLINT(modernize-loop-convert)
if (DungeonMask.test(x, y)) {
area++;
}
}
}
return area * 4;
}
void ProtectQuads()
{
for (int y = 0; y < 14; y++) {
for (int x = 0; x < 14; x++) {
Protected.set(L4Hold.x + x, L4Hold.y + y);
Protected.set(DMAXX - 1 - x - L4Hold.x, L4Hold.y + y);
Protected.set(L4Hold.x + x, DMAXY - 1 - y - L4Hold.y);
Protected.set(DMAXX - 1 - x - L4Hold.x, DMAXY - 1 - y - L4Hold.y);
}
}
}
void LoadDiabQuads(bool preflag)
{
{
auto dunData = LoadFileInMem<uint16_t>("Levels\\L4Data\\diab1.DUN");
DiabloQuad1 = L4Hold + Displacement { 4, 4 };
PlaceDunTiles(dunData.get(), DiabloQuad1, 6);
}
{
auto dunData = LoadFileInMem<uint16_t>(preflag ? "Levels\\L4Data\\diab2b.DUN" : "Levels\\L4Data\\diab2a.DUN");
DiabloQuad2 = { 27 - L4Hold.x, 1 + L4Hold.y };
PlaceDunTiles(dunData.get(), DiabloQuad2, 6);
}
{
auto dunData = LoadFileInMem<uint16_t>(preflag ? "Levels\\L4Data\\diab3b.DUN" : "Levels\\L4Data\\diab3a.DUN");
DiabloQuad3 = { 1 + L4Hold.x, 27 - L4Hold.y };
PlaceDunTiles(dunData.get(), DiabloQuad3, 6);
}
{
auto dunData = LoadFileInMem<uint16_t>(preflag ? "Levels\\L4Data\\diab4b.DUN" : "Levels\\L4Data\\diab4a.DUN");
DiabloQuad4 = { 28 - L4Hold.x, 28 - L4Hold.y };
PlaceDunTiles(dunData.get(), DiabloQuad4, 6);
}
}
bool IsDURightWall(char d)
{
if (d == 25) {
return true;
}
if (d == 28) {
return true;
}
if (d == 23) {
return true;
}
return false;
}
bool IsDLLeftWall(char dd)
{
if (dd == 27) {
return true;
}
if (dd == 26) {
return true;
}
if (dd == 22) {
return true;
}
return false;
}
void FixTransparency()
{
int yy = 16;
for (int j = 0; j < DMAXY; j++) {
int xx = 16;
for (int i = 0; i < DMAXX; i++) {
// BUGFIX: Should check for `j > 0` first.
if (IsDURightWall(dungeon[i][j]) && dungeon[i][j - 1] == 18) {
dTransVal[xx + 1][yy] = dTransVal[xx][yy];
dTransVal[xx + 1][yy + 1] = dTransVal[xx][yy];
}
// BUGFIX: Should check for `i + 1 < DMAXY` first.
if (IsDLLeftWall(dungeon[i][j]) && dungeon[i + 1][j] == 19) {
dTransVal[xx][yy + 1] = dTransVal[xx][yy];
dTransVal[xx + 1][yy + 1] = dTransVal[xx][yy];
}
if (dungeon[i][j] == 18) {
dTransVal[xx + 1][yy] = dTransVal[xx][yy];
dTransVal[xx + 1][yy + 1] = dTransVal[xx][yy];
}
if (dungeon[i][j] == 19) {
dTransVal[xx][yy + 1] = dTransVal[xx][yy];
dTransVal[xx + 1][yy + 1] = dTransVal[xx][yy];
}
if (dungeon[i][j] == 24) {
dTransVal[xx + 1][yy] = dTransVal[xx][yy];
dTransVal[xx][yy + 1] = dTransVal[xx][yy];
dTransVal[xx + 1][yy + 1] = dTransVal[xx][yy];
}
if (dungeon[i][j] == 57) {
dTransVal[xx - 1][yy] = dTransVal[xx][yy + 1];
dTransVal[xx][yy] = dTransVal[xx][yy + 1];
}
if (dungeon[i][j] == 53) {
dTransVal[xx][yy - 1] = dTransVal[xx + 1][yy];
dTransVal[xx][yy] = dTransVal[xx + 1][yy];
}
xx += 2;
}
yy += 2;
}
}
void FixCornerTiles()
{
for (int j = 1; j < DMAXY - 1; j++) {
for (int i = 1; i < DMAXX - 1; i++) {
if (dungeon[i][j] >= 18 && dungeon[i][j] <= 30) {
if (dungeon[i + 1][j] < 18 || dungeon[i][j + 1] < 18) {
dungeon[i][j] += 98;
}
}
}
}
}
void FixRim()
{
for (int x = 0; x < DMAXX / 2; x++) { // NOLINT(modernize-loop-convert)
DungeonMask.reset(x, 0);
}
for (int y = 0; y < DMAXY / 2; y++) {
DungeonMask.reset(0, y);
}
}
void GeneralFix()
{
for (int j = 0; j < DMAXY - 1; j++) {
for (int i = 0; i < DMAXX - 1; i++) {
if ((dungeon[i][j] == 24 || dungeon[i][j] == 122) && dungeon[i + 1][j] == 2 && dungeon[i][j + 1] == 5) {
dungeon[i][j] = 17;
}
}
}
}
bool PlaceStairs(lvl_entry entry)
{
std::optional<Point> position;
// Place stairs up
position = PlaceMiniSet(L4USTAIRS);
if (!position)
return false;
if (entry == ENTRY_MAIN)
ViewPosition = position->megaToWorld() + Displacement { 6, 6 };
if (currlevel != 15) {
// Place stairs down
if (currlevel != 16) {
if (Quests[Q_WARLORD].IsAvailable()) {
if (entry == ENTRY_PREV)
ViewPosition = SetPiece.position.megaToWorld() + Displacement { 6, 6 };
} else {
position = PlaceMiniSet(L4DSTAIRS);
if (!position)
return false;
if (entry == ENTRY_PREV)
ViewPosition = position->megaToWorld() + Displacement { 5, 7 };
}
}
// Place town warp stairs
if (currlevel == 13) {
position = PlaceMiniSet(L4TWARP);
if (!position)
return false;
if (entry == ENTRY_TWARPDN)
ViewPosition = position->megaToWorld() + Displacement { 6, 6 };
}
} else {
// Place hell gate
bool isGateOpen = gbIsMultiplayer || Quests[Q_DIABLO]._qactive == QUEST_ACTIVE;
position = PlaceMiniSet(isGateOpen ? L4PENTA2 : L4PENTA);
if (!position)
return false;
if (entry == ENTRY_PREV)
ViewPosition = position->megaToWorld() + Displacement { 5, 7 };
}
return true;
}
void GenerateLevel(lvl_entry entry)
{
LoadQuestSetPieces();
while (true) {
DRLG_InitTrans();
constexpr int Minarea = 692;
do {
InitDungeonFlags();
FirstRoom();
FixRim();
} while (FindArea() < Minarea);
UShape();
MakeDungeon();
MakeDmt();
FixTilesPatterns();
if (currlevel == 16) {
ProtectQuads();
}
if (Quests[Q_WARLORD].IsAvailable() || (currlevel == Quests[Q_BETRAYER]._qlevel && gbIsMultiplayer)) {
for (int spi = SetPieceRoom.position.x; spi < SetPieceRoom.position.x + SetPieceRoom.size.width - 1; spi++) {
for (int spj = SetPieceRoom.position.y; spj < SetPieceRoom.position.y + SetPieceRoom.size.height - 1; spj++) {
Protected.set(spi, spj);
}
}
}
AddWall();
FloodTransparencyValues(6);
FixTransparency();
SetSetPieceRoom(SetPieceRoom.position, 6);
if (currlevel == 16) {
LoadDiabQuads(true);
}
if (PlaceStairs(entry))
break;
}
FreeQuestSetPieces();
GeneralFix();
if (currlevel != 16) {
DRLG_PlaceThemeRooms(7, 10, 6, 8, true);
}
ApplyShadowsPatterns();
FixCornerTiles();
Substitution();
memcpy(pdungeon, dungeon, sizeof(pdungeon));
DRLG_CheckQuests(SetPieceRoom.position);
if (currlevel == 15) {
for (int j = 0; j < DMAXY; j++) {
for (int i = 0; i < DMAXX; i++) {
if (IsAnyOf(dungeon[i][j], 98, 107)) {
Make_SetPC({ { i - 1, j - 1 }, { 5, 5 } });
if (Quests[Q_BETRAYER]._qactive >= QUEST_ACTIVE) { /// Lazarus staff skip bug fixed
// Set the portal position to the location of the northmost pentagram tile.
Quests[Q_BETRAYER].position = { i, j };
}
}
}
}
}
if (currlevel == 16) {
LoadDiabQuads(false);
}
}
void Pass3()
{
DRLG_LPass3(30 - 1);
}
} // namespace
void CreateL4Dungeon(uint32_t rseed, lvl_entry entry)
{
SetRndSeed(rseed);
GenerateLevel(entry);
Pass3();
}
void LoadPreL4Dungeon(const char *path)
{
memset(dungeon, 30, sizeof(dungeon));
auto dunData = LoadFileInMem<uint16_t>(path);
PlaceDunTiles(dunData.get(), { 0, 0 }, 6);
memcpy(pdungeon, dungeon, sizeof(pdungeon));
}
void LoadL4Dungeon(const char *path, Point spawn)
{
LoadDungeonBase(path, spawn, 6, 30);
Pass3();
}
} // namespace devilution