#include "diablo.h"

unsigned char dungeon[40][40];
BYTE pdungeon[40][40];
char dflags[40][40];
int setpc_x; // idb
int setpc_y; // idb
int setpc_w; // weak
int setpc_h; // weak
char *pSetPiece_2;
int setloadflag_2; // weak
BYTE *pSpecialCels;
BYTE *pMegaTiles;
BYTE *pLevelPieces;
BYTE *pDungeonCels;
BYTE *pSpeedCels;
int SpeedFrameTbl[128][16]; /* MICROS */
char block_lvid[2049];
int level_frame_count[MAXTILES];
int tile_defs[MAXTILES];
WORD level_frame_types[MAXTILES];
int level_frame_sizes[MAXTILES];
int nlevel_frames; // weak
BOOLEAN nBlockTable[2049];
BOOLEAN nSolidTable[2049];
BOOLEAN nTransTable[2049];
BOOLEAN nMissileTable[2049];
BOOLEAN nTrapTable[2049];
int dminx; // weak
int dminy; // weak
int dmaxx; // weak
int dmaxy; // weak
int gnDifficulty; // idb
unsigned char leveltype; // weak
unsigned char currlevel; // idb
char setlevel; // weak
BYTE setlvlnum; // weak
char setlvltype; // weak
int ViewX; // idb
int ViewY; // idb
int ViewDX; // weak
int ViewDY; // weak
int ViewBX; // weak
int ViewBY; // weak
ScrollStruct ScrollInfo;
int LvlViewX; // weak
int LvlViewY; // weak
int MicroTileLen;
char TransVal; // weak
char TransList[256];
int dPiece[MAXDUNX][MAXDUNY];
MICROS dpiece_defs_map_2[MAXDUNX][MAXDUNY];
MICROS dpiece_defs_map_1[MAXDUNX * MAXDUNY];
char dTransVal[MAXDUNX][MAXDUNY];
char dLight[MAXDUNX][MAXDUNY];
char dPreLight[MAXDUNX][MAXDUNY];
char dFlags[MAXDUNX][MAXDUNY];
char dPlayer[MAXDUNX][MAXDUNY];
int dMonster[MAXDUNX][MAXDUNY];
char dDead[MAXDUNX][MAXDUNY];
char dObject[MAXDUNX][MAXDUNY];
char dItem[MAXDUNX][MAXDUNY];
char dMissile[MAXDUNX][MAXDUNY];
char dSpecial[MAXDUNX][MAXDUNY];
int themeCount;
THEME_LOC themeLoc[MAXTHEMES];

void FillSolidBlockTbls()
{
	unsigned char bv;
	DWORD dwTiles;
	unsigned char *pSBFile, *pTmp;
	int i;

	memset(nBlockTable, 0, sizeof(nBlockTable));
	memset(nSolidTable, 0, sizeof(nSolidTable));
	memset(nTransTable, 0, sizeof(nTransTable));
	memset(nMissileTable, 0, sizeof(nMissileTable));
	memset(nTrapTable, 0, sizeof(nTrapTable));

	switch((unsigned char)leveltype) {
	case DTYPE_TOWN:
		pSBFile = DiabLoad("Levels\\TownData\\Town.SOL", &dwTiles, 'SOL ');
		break;
	case DTYPE_CATHEDRAL:
		pSBFile = DiabLoad("Levels\\L1Data\\L1.SOL", &dwTiles, 'SOL ');
		break;
	case DTYPE_CATACOMBS:
		pSBFile = DiabLoad("Levels\\L2Data\\L2.SOL", &dwTiles, 'SOL ');
		break;
	case DTYPE_CAVES:
		pSBFile = DiabLoad("Levels\\L3Data\\L3.SOL", &dwTiles, 'SOL ');
		break;
	case DTYPE_HELL:
		pSBFile = DiabLoad("Levels\\L4Data\\L4.SOL", &dwTiles, 'SOL ');
		break;
	default:
		app_fatal("FillSolidBlockTbls");
	}

	pTmp = pSBFile;

	for(i = 1; i <= dwTiles; i++) {
		bv = *pTmp++;
		if(bv & 1)
			nSolidTable[i] = 1;
		if(bv & 2)
			nBlockTable[i] = 1;
		if(bv & 4)
			nMissileTable[i] = 1;
		if(bv & 8)
			nTransTable[i] = 1;
		if(bv & 0x80)
			nTrapTable[i] = 1;
		block_lvid[i] = (bv & 0x70) >> 4; /* beta: (bv >> 4) & 7 */
	}

	mem_free_dbg(pSBFile);
}

static void SwapTile(int f1, int f2)
{
	int swap;

	swap = level_frame_count[f1];
	level_frame_count[f1] = level_frame_count[f2];
	level_frame_count[f2] = swap;
	swap = tile_defs[f1];
	tile_defs[f1] = tile_defs[f2];
	tile_defs[f2] = swap;
	swap = level_frame_types[f1];
	level_frame_types[f1] = level_frame_types[f2];
	level_frame_types[f2] = swap;
	swap = level_frame_sizes[f1];
	level_frame_sizes[f1] = level_frame_sizes[f2];
	level_frame_sizes[f2] = swap;
}

static void SortTiles(int frames)
{
	int i;
	BOOL doneflag;

	doneflag = FALSE;
	while(frames > 0 && !doneflag) {
		doneflag = TRUE;
		for(i = 0; i < frames; i++) {
			if(level_frame_count[i] < level_frame_count[i + 1]) {
				SwapTile(i, i + 1);
				doneflag = FALSE;
			}
		}
		frames--;
	}
}

void MakeSpeedCels()
{
	int i, j, x, y;
	int tile, total_frames, blocks, total_size, frameidx, lfs_adder, blk_cnt, currtile, nDataSize;
	WORD m;
	BOOL blood_flag;
	DWORD *pFrameTable;
	MICROS *pMap;
#ifndef USE_ASM
	int k, l;
	BYTE width, pix;
	BYTE *src, *dst, *tbl;
#endif

	for(i = 0; i < MAXTILES; i++) {
		tile_defs[i] = i;
		level_frame_count[i] = 0;
		level_frame_types[i] = 0;
	}

	if(leveltype != DTYPE_HELL)
		blocks = 10;
	else
		blocks = 12;

	for(y = 0; y < MAXDUNY; y++) {
		for(x = 0; x < MAXDUNX; x++) {
			pMap = &dpiece_defs_map_2[x][y];
			for(i = 0; i < blocks; i++) {
				tile = pMap->mt[i];
				if(tile) {
					level_frame_count[tile & 0xFFF]++;
					level_frame_types[tile & 0xFFF] = tile & 0x7000;
				}
			}
		}
	}

	pFrameTable = (DWORD *)pDungeonCels;
	nDataSize = pFrameTable[0];
	nlevel_frames = nDataSize & 0xFFFF;

	for(i = 1; i < nlevel_frames; i++) {
		currtile = i;
#ifdef USE_ASM
		__asm {
			mov		ebx, pDungeonCels
			mov		eax, currtile
			shl		eax, 2
			add		ebx, eax
			mov		eax, [ebx+4]
			sub		eax, [ebx]
			mov		nDataSize, eax
		}
#else
		nDataSize = pFrameTable[currtile + 1] - pFrameTable[currtile];
#endif
		level_frame_sizes[i] = nDataSize & 0xFFFF;
	}

	level_frame_sizes[0] = 0;

	if(leveltype == DTYPE_HELL) {
		for(i = 0; i < nlevel_frames; i++) {
			if(!i)
				level_frame_count[0] = 0;
			currtile = i;
			blood_flag = TRUE;
			if(level_frame_count[i]) {
				if(level_frame_types[i] != 0x1000) {
#ifdef USE_ASM
					lfs_adder = level_frame_sizes[i];
					__asm {
						mov		ebx, pDungeonCels
						mov		eax, currtile
						shl		eax, 2
						add		ebx, eax
						mov		esi, pDungeonCels
						add		esi, [ebx]
						xor		ebx, ebx
						mov		ecx, lfs_adder
						jecxz	l1_label3
					l1_label1:
						lodsb
						cmp		al, 0
						jz		l1_label2
						cmp		al, 32
						jnb		l1_label2
						mov		blood_flag, ebx
					l1_label2:
						loop	l1_label1
					l1_label3:
						nop
					}
#else
					src = &pDungeonCels[pFrameTable[currtile]];
					for(lfs_adder = level_frame_sizes[i]; lfs_adder; lfs_adder--) {
						pix = *src++;
						if(pix && pix < 32)
							blood_flag = FALSE;
					}
#endif
				} else {
#ifdef USE_ASM
					__asm {
						mov		ebx, pDungeonCels
						mov		eax, currtile
						shl		eax, 2
						add		ebx, eax
						mov		esi, pDungeonCels
						add		esi, [ebx]
						xor		ebx, ebx
						mov		ecx, 32
					l2_label1:
						push	ecx
						mov		edx, 32
					l2_label2:
						xor		eax, eax
						lodsb
						or		al, al
						js		l2_label5
						sub		edx, eax
						mov		ecx, eax
					l2_label3:
						lodsb
						cmp		al, 0
						jz		l2_label4
						cmp		al, 32
						jnb		l2_label4
						mov		blood_flag, ebx
					l2_label4:
						loop	l2_label3
						or		edx, edx
						jz		l2_label6
						jmp		l2_label2
					l2_label5:
						neg		al
						sub		edx, eax
						jnz		l2_label2
					l2_label6:
						pop		ecx
						loop	l2_label1
					}
#else
					src = &pDungeonCels[pFrameTable[currtile]];
					for(k = 32; k; k--) {
						for(l = 32; l;) {
							width = *src++;
							if(!(width & 0x80)) {
								l -= width;
								while(width) {
									pix = *src++;
									if(pix && pix < 32)
										blood_flag = FALSE;
									width--;
								}
							} else {
								width = -(char)width;
								l -= width;
							}
						}
					}
#endif
				}
				if(!blood_flag)
					level_frame_count[i] = 0;
			}
		}
	}

	SortTiles(MAXTILES - 1);
	total_size = 0;
	total_frames = 0;

	if(light4flag) {
		while(total_size < 0x100000) {
			total_size += level_frame_sizes[total_frames] << 1;
			total_frames++;
		}
	} else {
		while(total_size < 0x100000) {
			total_size += (level_frame_sizes[total_frames] << 4) - (level_frame_sizes[total_frames] << 1);
			total_frames++;
		}
	}

	total_frames--;
	if(total_frames > 128)
		total_frames = 128;

	frameidx = 0; /* move into loop ? */

	if(light4flag)
		blk_cnt = 3;
	else
		blk_cnt = 15;

	for(i = 0; i < total_frames; i++) {
		currtile = tile_defs[i];
		SpeedFrameTbl[i][0] = currtile;
		if(level_frame_types[i] != 0x1000) {
			lfs_adder = level_frame_sizes[i];
			for(j = 1; j < blk_cnt; j++) {
				SpeedFrameTbl[i][j] = frameidx;
#ifdef USE_ASM
				__asm {
					mov		ebx, pDungeonCels
					mov		eax, currtile
					shl		eax, 2
					add		ebx, eax
					mov		esi, pDungeonCels
					add		esi, [ebx]
					mov		edi, pSpeedCels
					add		edi, frameidx
					mov		ebx, j
					shl		ebx, 8
					add		ebx, pLightTbl
					mov		ecx, lfs_adder
					jecxz	l3_label2
				l3_label1:
					lodsb
					xlat
					stosb
					loop	l3_label1
				l3_label2:
					nop
				}
#else
				src = &pDungeonCels[pFrameTable[currtile]];
				dst = &pSpeedCels[frameidx];
				tbl = &pLightTbl[256 * j];
				for(k = lfs_adder; k; k--) {
					*dst++ = tbl[*src++];
				}
#endif
				frameidx += lfs_adder;
			}
		} else {
			for(j = 1; j < blk_cnt; j++) {
				SpeedFrameTbl[i][j] = frameidx;
#ifdef USE_ASM
				__asm {
					mov		ebx, pDungeonCels
					mov		eax, currtile
					shl		eax, 2
					add		ebx, eax
					mov		esi, pDungeonCels
					add		esi, [ebx]
					mov		edi, pSpeedCels
					add		edi, frameidx
					mov		ebx, j
					shl		ebx, 8
					add		ebx, pLightTbl
					mov		ecx, 32
				l4_label1:
					push	ecx
					mov		edx, 32
				l4_label2:
					xor		eax, eax
					lodsb
					stosb
					or		al, al
					js		l4_label4
					sub		edx, eax
					mov		ecx, eax
				l4_label3:
					lodsb
					xlat
					stosb
					loop	l4_label3
					or		edx, edx
					jz		l4_label5
					jmp		l4_label2
				l4_label4:
					neg		al
					sub		edx, eax
					jnz		l4_label2
				l4_label5:
					pop		ecx
					loop	l4_label1
				}
#else
				src = &pDungeonCels[pFrameTable[currtile]];
				dst = &pSpeedCels[frameidx];
				tbl = &pLightTbl[256 * j];
				for(k = 32; k; k--) {
					for(l = 32; l;) {
						width = *src++;
						*dst++ = width;
						if(!(width & 0x80)) {
							l -= width;
							while(width) {
								*dst++ = tbl[*src++];
								width--;
							}
						} else {
							width = -(char)width;
							l -= width;
						}
					}
				}
#endif
				frameidx += level_frame_sizes[i];
			}
		}
	}

	for(y = 0; y < MAXDUNY; y++) {
		for(x = 0; x < MAXDUNX; x++) {
			if(dPiece[x][y]) {
				pMap = &dpiece_defs_map_2[x][y];
				for(i = 0; i < blocks; i++) {
					if(pMap->mt[i]) {
						for(m = 0; m < total_frames; m++) {
							if((pMap->mt[i] & 0xFFF) == tile_defs[m]) {
								pMap->mt[i] = m + level_frame_types[m] + 0x8000;
								m = total_frames;
							}
						}
					}
				}
			}
		}
	}
}

int IsometricCoord(int x, int y)
{
	if(x < MAXDUNY - y)
		return (y + y * y + x * (x + 2 * y + 3)) / 2;

	x = MAXDUNX - x - 1;
	y = MAXDUNY - y - 1;
	return MAXDUNX * MAXDUNY - ((y + y * y + x * (x + 2 * y + 3)) / 2) - 1;
}

void SetSpeedCels()
{
	int x, y;

	for(x = 0; x < MAXDUNX; x++) {
		for(y = 0; y < MAXDUNY; y++) {
			dpiece_defs_map_1[IsometricCoord(x, y)] = dpiece_defs_map_2[x][y];
		}
	}
}

void SetDungeonMicros()
{
	int i, x, y, lv, blocks;
	WORD *pPiece;
	MICROS *pMap;

	if(leveltype != DTYPE_HELL) {
		MicroTileLen = 10;
		blocks = 10;
	} else {
		MicroTileLen = 12;
		blocks = 16;
	}

	for(y = 0; y < MAXDUNY; y++) {
		for(x = 0; x < MAXDUNX; x++) {
			lv = dPiece[x][y];
			pMap = &dpiece_defs_map_2[x][y];
			if(lv) {
				lv--;
				if(leveltype != DTYPE_HELL)
					pPiece = (WORD *)&pLevelPieces[20 * lv];
				else
					pPiece = (WORD *)&pLevelPieces[32 * lv];
				for(i = 0; i < blocks; i++)
					pMap->mt[i] = pPiece[(i & 1) + blocks - 2 - (i & 0xE)];
			} else {
				for(i = 0; i < blocks; i++)
					pMap->mt[i] = 0;
			}
		}
	}

	MakeSpeedCels();
	SetSpeedCels();

	if(zoomflag) {
		ViewDX = 640;
		ViewDY = 352;
		ViewBX = 10;
		ViewBY = 11;
	} else {
		ViewDX = 384;
		ViewDY = 224;
		ViewBX = 6;
		ViewBY = 7;
	}
}

void DRLG_InitTrans()
{
	memset(dTransVal, 0, 0x3100u);
	memset(TransList, 0, 0x100u);
	TransVal = 1;
}

void DRLG_MRectTrans(int x1, int y1, int x2, int y2)
{
	int i, j;

	x1 = 2 * x1 + 17;
	y1 = 2 * y1 + 17;
	x2 = 2 * x2 + 16;
	y2 = 2 * y2 + 16;

	for(j = y1; j <= y2; j++) {
		for(i = x1; i <= x2; i++) {
			dTransVal[i][j] = TransVal;
		}
	}

	TransVal++;
}

void DRLG_RectTrans(int x1, int y1, int x2, int y2)
{
	int i; // esi
	char *v5; // edx
	int j; // eax

	for ( i = y1; i <= y2; ++i )
	{
		if ( x1 <= x2 )
		{
			v5 = &dTransVal[x1][i];
			j = x2 - x1 + 1;
			do
			{
				*v5 = TransVal;
				v5 += 112;
				--j;
			}
			while ( j );
		}
	}
	++TransVal;
}

void DRLG_CopyTrans(int sx, int sy, int dx, int dy)
{
	dTransVal[dx][dy] = dTransVal[sx][sy];
}

void DRLG_ListTrans(int num, unsigned char *List)
{
	unsigned char *v2; // esi
	int v3; // edi
	unsigned char v4; // al
	unsigned char *v5; // esi
	unsigned char v6; // cl
	unsigned char v7; // dl
	unsigned char v8; // bl

	v2 = List;
	if ( num > 0 )
	{
		v3 = num;
		do
		{
			v4 = *v2;
			v5 = v2 + 1;
			v6 = *v5++;
			v7 = *v5++;
			v8 = *v5;
			v2 = v5 + 1;
			DRLG_RectTrans(v4, v6, v7, v8);
			--v3;
		}
		while ( v3 );
	}
}

void DRLG_AreaTrans(int num, unsigned char *List)
{
	unsigned char *v2; // esi
	int v3; // edi
	unsigned char v4; // al
	unsigned char *v5; // esi
	unsigned char v6; // cl
	unsigned char v7; // dl
	unsigned char v8; // bl

	v2 = List;
	if ( num > 0 )
	{
		v3 = num;
		do
		{
			v4 = *v2;
			v5 = v2 + 1;
			v6 = *v5++;
			v7 = *v5++;
			v8 = *v5;
			v2 = v5 + 1;
			DRLG_RectTrans(v4, v6, v7, v8);
			--TransVal;
			--v3;
		}
		while ( v3 );
	}
	++TransVal;
}

void DRLG_InitSetPC()
{
	setpc_x = 0;
	setpc_y = 0;
	setpc_w = 0;
	setpc_h = 0;
}

void DRLG_SetPC()
{
	int i, j, x, y, w, h;

	w = 2 * setpc_w;
	h = 2 * setpc_h;
	x = 2 * setpc_x + 16;
	y = 2 * setpc_y + 16;

	for(j = 0; j < h; j++) {
		for(i = 0; i < w; i++) {
			dFlags[i + x][j + y] |= 8;
		}
	}
}

void Make_SetPC(int x, int y, int w, int h)
{
	int i, j, dx, dy, dh, dw;

	dw = 2 * w;
	dh = 2 * h;
	dx = 2 * x + 16;
	dy = 2 * y + 16;

	for(j = 0; j < dh; j++) {
		for(i = 0; i < dw; i++) {
			dFlags[i + dx][j + dy] |= 8;
		}
	}
}

BOOL DRLG_WillThemeRoomFit(int floor, int x, int y, int minSize, int maxSize, int *width, int *height)
{
	int ii, xx, yy;
	int xSmallest, ySmallest;
	int xArray[20], yArray[20];
	int xCount, yCount;
	BOOL yFlag, xFlag;

	yFlag = TRUE;
	xFlag = TRUE;
	xCount = 0;
	yCount = 0;

	if(x > DMAXX - maxSize && y > DMAXY - maxSize) {
		return FALSE;
	}
	if(!SkipThemeRoom(x, y)) {
		return FALSE;
	}

	memset(xArray, 0, sizeof(xArray));
	memset(yArray, 0, sizeof(yArray));

	for(ii = 0; ii < maxSize; ii++) {
		if(xFlag) {
			for(xx = x; xx < x + maxSize; xx++) {
				if((unsigned char)dungeon[xx][y + ii] != floor) {
					if(xx >= minSize) {
						break;
					}
					xFlag = FALSE;
				} else {
					xCount++;
				}
			}
			if(xFlag) {
				xArray[ii] = xCount;
				xCount = 0;
			}
		}
		if(yFlag) {
			for(yy = y; yy < y + maxSize; yy++) {
				if((unsigned char)dungeon[x + ii][yy] != floor) {
					if(yy >= minSize) {
						break;
					}
					yFlag = FALSE;
				} else {
					yCount++;
				}
			}
			if(yFlag) {
				yArray[ii] = yCount;
				yCount = 0;
			}
		}
	}

	for(ii = 0; ii < minSize; ii++) {
		if(xArray[ii] < minSize || yArray[ii] < minSize) {
			return FALSE;
		}
	}

	xSmallest = xArray[0];
	ySmallest = yArray[0];

	for(ii = 0; ii < maxSize; ii++) {
		if(xArray[ii] < minSize || yArray[ii] < minSize) {
			break;
		}
		if(xArray[ii] < xSmallest) {
			xSmallest = xArray[ii];
		}
		if(yArray[ii] < ySmallest) {
			ySmallest = yArray[ii];
		}
	}

	*width = xSmallest - 2;
	*height = ySmallest - 2;
	return TRUE;
}

void DRLG_CreateThemeRoom(int themeIndex)
{
	int xx, yy;

	for(yy = themeLoc[themeIndex].y; yy < themeLoc[themeIndex].y + themeLoc[themeIndex].height; yy++) {
		for(xx = themeLoc[themeIndex].x; xx < themeLoc[themeIndex].x + themeLoc[themeIndex].width; xx++) {
			if(leveltype == DTYPE_CATACOMBS) {
				if(yy == themeLoc[themeIndex].y
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width
				|| yy == themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width) {
					dungeon[xx][yy] = 2;
				} else if(xx == themeLoc[themeIndex].x
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height
				|| xx == themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height) {
					dungeon[xx][yy] = 1;
				} else {
					dungeon[xx][yy] = 3;
				}
			}
			if(leveltype == DTYPE_CAVES) {
				if(yy == themeLoc[themeIndex].y
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width
				|| yy == themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width) {
					dungeon[xx][yy] = 134;
				} else if(xx == themeLoc[themeIndex].x
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height
				|| xx == themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height) {
					dungeon[xx][yy] = 137;
				} else {
					dungeon[xx][yy] = 7;
				}
			}
			if(leveltype == DTYPE_HELL) {
				if(yy == themeLoc[themeIndex].y
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width
				|| yy == themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1
				&& xx >= themeLoc[themeIndex].x
				&& xx <= themeLoc[themeIndex].x + themeLoc[themeIndex].width) {
					dungeon[xx][yy] = 2;
				} else if(xx == themeLoc[themeIndex].x
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height
				|| xx == themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1
				&& yy >= themeLoc[themeIndex].y
				&& yy <= themeLoc[themeIndex].y + themeLoc[themeIndex].height) {
					dungeon[xx][yy] = 1;
				} else {
					dungeon[xx][yy] = 6;
				}
			}
		}
	}

	if(leveltype == DTYPE_CATACOMBS) {
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y] = 8;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y] = 7;
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 9;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 6;
	}
	if(leveltype == DTYPE_CAVES) {
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y] = 150;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y] = 151;
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 152;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 138;
	}
	if(leveltype == DTYPE_HELL) {
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y] = 9;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y] = 16;
		dungeon[themeLoc[themeIndex].x][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 15;
		dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 12;
	}

	if(leveltype == DTYPE_CATACOMBS) {
		switch(random(0, 2)) {
		case 0:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2] = 4;
			break;
		case 1:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 5;
			break;
		}
	}
	if(leveltype == DTYPE_CAVES) {
		switch(random(0, 2)) {
		case 0:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2] = 147;
			break;
		case 1:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 146;
			break;
		}
	}
	if(leveltype == DTYPE_HELL) {
		switch(random(0, 2)) {
		case 0:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2 - 1] = 53;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2] = 6;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2 + 1] = 52;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width - 2][themeLoc[themeIndex].y + themeLoc[themeIndex].height / 2 - 1] = 54;
			break;
		case 1:
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2 - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 57;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 6;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2 + 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 1] = 56;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 2] = 59;
			dungeon[themeLoc[themeIndex].x + themeLoc[themeIndex].width / 2 - 1][themeLoc[themeIndex].y + themeLoc[themeIndex].height - 2] = 58;
			break;
		}
	}
}

void DRLG_PlaceThemeRooms(int minSize, int maxSize, int floor, int freq, int rndSize)
{
	int v5; // ebx
	//int v7; // eax
	int v8; // esi
	int v9; // edi
	int v10; // eax
	int v12; // eax
	int v14; // eax
	int v16; // eax
	int v17; // edi
	int v18; // esi
	int v19; // ecx
	int v20; // ecx
	int v21; // eax
	int minSize2; // [esp+10h] [ebp-1Ch]
	int maxSize2; // [esp+14h] [ebp-18h]
	unsigned char *v24; // [esp+18h] [ebp-14h]
	signed int x_start; // [esp+1Ch] [ebp-10h]
	int x; // [esp+20h] [ebp-Ch]
	int width; // [esp+24h] [ebp-8h]
	int height; // [esp+28h] [ebp-4h]

	v5 = 0;
	maxSize2 = maxSize;
	minSize2 = minSize;
	themeCount = 0;
	memset(themeLoc, 0, 0x14u);
	do
	{
		x = 0;
		x_start = 20;
		v24 = (unsigned char *)dungeon + v5;
		do
		{
			if ( *v24 == floor )
			{
				if ( !random(0, freq) )
				{
					//_LOBYTE(v7) = DRLG_WillThemeRoomFit(floor, x, v5, minSize2, maxSize2, &width, &height);
					if ( DRLG_WillThemeRoomFit(floor, x, v5, minSize2, maxSize2, &width, &height) )
					{
						if ( rndSize )
						{
							v8 = minSize2 - 2;
							v9 = maxSize2 - 2;
							v10 = random(0, width - (minSize2 - 2) + 1);
							v12 = minSize2 - 2 + random(0, v10);
							if ( v12 < minSize2 - 2 || (width = v12, v12 > v9) )
								width = minSize2 - 2;
							v14 = random(0, height - v8 + 1);
							v16 = v8 + random(0, v14);
							if ( v16 < v8 || v16 > v9 )
								v16 = minSize2 - 2;
							height = v16;
						}
						else
						{
							v16 = height;
						}
						v17 = themeCount;
						v18 = themeCount;
						themeLoc[v18].x = x + 1;
						themeLoc[v18].y = v5 + 1;
						v19 = width;
						themeLoc[v18].width = width;
						themeLoc[v18].height = v16;
						v20 = x + v19;
						v21 = v5 + v16;
						if ( leveltype == DTYPE_CAVES )
							DRLG_RectTrans(x_start, 2 * v5 + 20, 2 * v20 + 15, 2 * v21 + 15);
						else
							DRLG_MRectTrans(x + 1, v5 + 1, v20, v21);
						themeLoc[v18].ttval = TransVal - 1;
						DRLG_CreateThemeRoom(v17);
						++themeCount;
					}
				}
			}
			x_start += 2;
			++x;
			v24 += 40;
		}
		while ( x_start < 100 );
		++v5;
	}
	while ( v5 < 40 );
}

void DRLG_HoldThemeRooms()
{
	int i, x, y, xx, yy;

	for(i = 0; i < themeCount; i++) {
		for(y = themeLoc[i].y; y < themeLoc[i].y + themeLoc[i].height - 1; y++) {
			for(x = themeLoc[i].x; x < themeLoc[i].x + themeLoc[i].width - 1; x++) {
				xx = 2 * x + 16;
				yy = 2 * y + 16;
				dFlags[xx][yy] |= 8;
				dFlags[xx + 1][yy] |= 8;
				dFlags[xx][yy + 1] |= 8;
				dFlags[xx + 1][yy + 1] |= 8;
			}
		}
	}
}

BOOL SkipThemeRoom(int x, int y)
{
	int i; // ebx
	THEME_LOC *v3; // eax
	int v4; // esi

	i = 0;
	if ( themeCount <= 0 )
		return 1;
	v3 = themeLoc;
	while ( 1 )
	{
		if ( x >= v3->x - 2 && x <= v3->x + v3->width + 2 )
		{
			v4 = v3->y;
			if ( y >= v4 - 2 && y <= v4 + v3->height + 2 )
				break;
		}
		++i;
		++v3;
		if ( i >= themeCount )
			return 1;
	}
	return 0;
}

void InitLevels()
{
	if ( !leveldebug )
	{
		currlevel = 0;
		leveltype = 0;
		setlevel = 0;
	}
}