devilutionX/Source/scrollrt.cpp

//HEADER_GOES_HERE

#include "../types.h"

int light_table_index; // weak
int screen_y_times_768[1024];
unsigned int sgdwCursWdtOld; // idb
int sgdwCursX;               // idb
int sgdwCursY;               // idb
unsigned char *gpBufEnd;     // weak
int sgdwCursHgt;
DWORD level_cel_block; // weak
int sgdwCursXOld;      // idb
int sgdwCursYOld;      // idb
char arch_draw_type;   // weak
DDSURFACEDESC DDS_desc;
int cel_transparency_active; // weak
int level_piece_id;          // weak
int sgdwCursWdt;
void (__fastcall *DrawPlrProc)(int, int, int, int, int, BYTE *, int, int, int, int);
char sgSaveBack[8192];
int draw_monster_num; // weak
int sgdwCursHgtOld;   // idb

/* data */

/* used in 1.00 debug */
char *szMonModeAssert[18] = {
	"standing",
	"walking (1)",
	"walking (2)",
	"walking (3)",
	"attacking",
	"getting hit",
	"dying",
	"attacking (special)",
	"fading in",
	"fading out",
	"attacking (ranged)",
	"standing (special)",
	"attacking (special ranged)",
	"delaying",
	"charging",
	"stoned",
	"healing",
	"talking"
};

char *szPlrModeAssert[12] = {
	"standing",
	"walking (1)",
	"walking (2)",
	"walking (3)",
	"attacking (melee)",
	"attacking (ranged)",
	"blocking",
	"getting hit",
	"dying",
	"casting a spell",
	"changing levels",
	"quitting"
};

void __cdecl ClearCursor() // CODE_FIX: this was supposed to be in cursor.cpp
{
	sgdwCursWdt = 0;
	sgdwCursWdtOld = 0;
}

void __fastcall DrawMissile(int x, int y, int sx, int sy, int a5, int a6, BOOL pre)
{
	int i, mx, my, nCel;
	MissileStruct *m;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if(dMissile[x][y] == -1) {
		for(i = 0; i < nummissiles; i++) {
			/// ASSERT: assert(missileactive[i] < MAXMISSILES)
			if(missileactive[i] >= MAXMISSILES)
				break;
			m = &missile[missileactive[i]];
			if(m->_mix == x && m->_miy == y && m->_miPreFlag == pre && m->_miDrawFlag) {
				pCelBuff = m->_miAnimData;
				if(!pCelBuff) {
					// TermMsg("Draw Missile type %d: NULL Cel Buffer", m->_mitype);
					return;
				}
				nCel = m->_miAnimFrame;
				pFrameTable = (DWORD *)pCelBuff;
				if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
					// TermMsg("Draw Missile: frame %d of %d, missile type==%d", nCel, pFrameTable[0], m->_mitype);
					return;
				}
				mx = sx + m->_mixoff - m->_miAnimWidth2;
				my = sy + m->_miyoff;
				if(m->_miUniqTrans)
					Cl2DecodeFrm3(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6, m->_miUniqTrans + 3);
				else if(m->_miLightFlag)
					Cl2DecodeLightTbl(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
				else
					Cl2DecodeFrm1(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
			}
		}
	} else {
		m = &missile[dMissile[x][y] - 1];
		if(m->_miPreFlag == pre && m->_miDrawFlag) {
			pCelBuff = m->_miAnimData;
			if(!pCelBuff) {
				// TermMsg("Draw Missile 2 type %d: NULL Cel Buffer", m->_mitype);
				return;
			}
			nCel = m->_miAnimFrame;
			pFrameTable = (DWORD *)pCelBuff;
			if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
				// TermMsg("Draw Missile 2: frame %d of %d, missile type==%d", nCel, pFrameTable[0], m->_mitype);
				return;
			}
			mx = sx + m->_mixoff - m->_miAnimWidth2;
			my = sy + m->_miyoff;
			if(m->_miUniqTrans)
				Cl2DecodeFrm3(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6, m->_miUniqTrans + 3);
			else if(m->_miLightFlag)
				Cl2DecodeLightTbl(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
			else
				Cl2DecodeFrm1(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
		}
	}
}

void __fastcall DrawClippedMissile(int x, int y, int sx, int sy, int a5, int a6, BOOL pre)
{
	int i, mx, my, nCel;
	MissileStruct *m;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if(dMissile[x][y] == -1) {
		for(i = 0; i < nummissiles; i++) {
			/// ASSERT: assert(missileactive[i] < MAXMISSILES)
			if(missileactive[i] >= MAXMISSILES)
				break;
			m = &missile[missileactive[i]];
			if(m->_mix == x && m->_miy == y && m->_miPreFlag == pre && m->_miDrawFlag) {
				pCelBuff = m->_miAnimData;
				if(!pCelBuff) {
					// TermMsg("Draw Missile type %d Clipped: NULL Cel Buffer", m->_mitype);
					return;
				}
				nCel = m->_miAnimFrame;
				pFrameTable = (DWORD *)pCelBuff;
				if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
					// TermMsg("Draw Clipped Missile: frame %d of %d, missile type==%d", nCel, pFrameTable[0], m->_mitype);
					return;
				}
				mx = sx + m->_mixoff - m->_miAnimWidth2;
				my = sy + m->_miyoff;
				if(m->_miUniqTrans)
					Cl2DecodeFrm5(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6, m->_miUniqTrans + 3);
				else if(m->_miLightFlag)
					Cl2DecodeFrm6(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
				else
					Cl2DecodeFrm4(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
			}
		}
	} else {
		m = &missile[dMissile[x][y] - 1];
		if(m->_miPreFlag == pre && m->_miDrawFlag) {
			pCelBuff = m->_miAnimData;
			if(!pCelBuff) {
				// TermMsg("Draw Missile 2 type %d Clipped: NULL Cel Buffer", m->_mitype);
				return;
			}
			nCel = m->_miAnimFrame;
			pFrameTable = (DWORD *)pCelBuff;
			if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
				// TermMsg("Draw Clipped Missile 2: frame %d of %d, missile type==%d", nCel, pFrameTable[0], m->_mitype);
				return;
			}
			mx = sx + m->_mixoff - m->_miAnimWidth2;
			my = sy + m->_miyoff;
			if(m->_miUniqTrans)
				Cl2DecodeFrm5(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6, m->_miUniqTrans + 3);
			else if(m->_miLightFlag)
				Cl2DecodeFrm6(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
			else
				Cl2DecodeFrm4(mx, my, m->_miAnimData, m->_miAnimFrame, m->_miAnimWidth, a5, a6);
		}
	}
}

void __fastcall DrawDeadPlayer(int x, int y, int sx, int sy, int a5, int a6, BOOL clipped)
{
	int i, px, py, nCel;
	PlayerStruct *p;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if(clipped)
		DrawPlrProc = DrawClippedPlayer;
	else
		DrawPlrProc = DrawPlayer;

	dFlags[x][y] &= ~DFLAG_DEAD_PLAYER;

	for(i = 0; i < MAX_PLRS; i++) {
		p = &plr[i];
		if(p->plractive && !p->_pHitPoints && p->plrlevel == (unsigned char)currlevel && p->WorldX == x && p->WorldY == y) {
			pCelBuff = p->_pAnimData;
			if(!pCelBuff) {
				// TermMsg("Drawing dead player %d \"%s\": NULL Cel Buffer", i, p->_pName);
				break;
			}
			nCel = p->_pAnimFrame;
			pFrameTable = (DWORD *)pCelBuff;
			if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
				// TermMsg("Drawing dead player %d \"%s\": facing %d, frame %d of %d", i, p->_pName, p->_pdir, nCel, pFrameTable[0]);
				break;
			}
			dFlags[x][y] |= DFLAG_DEAD_PLAYER;
			px = sx + p->_pxoff - p->_pAnimWidth2;
			py = sy + p->_pyoff;
			DrawPlrProc(i, x, y, px, py, p->_pAnimData, p->_pAnimFrame, p->_pAnimWidth, a5, a6);
		}
	}
}

void __fastcall DrawPlayer(int pnum, int x, int y, int px, int py, BYTE *pCelBuff, int nCel, int nWidth, int a9, int a10)
{
	int l;
	DWORD *pFrameTable;

	if(dFlags[x][y] & DFLAG_LIT || plr[myplr]._pInfraFlag || !setlevel && !currlevel) {
		if(!pCelBuff) {
			// TermMsg("Drawing player %d \"%s\": NULL Cel Buffer", pnum, plr[pnum]._pName);
			return;
		}
		pFrameTable = (DWORD *)pCelBuff;
		if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
			/*
			const char *szMode = "unknown action";
			if(plr[pnum]._pmode <= 11)
				szMode = szPlrModeAssert[plr[pnum]._pmode];
			TermMsg(
				"Drawing player %d \"%s\" %s: facing %d, frame %d of %d",
				pnum,
				plr[pnum]._pName,
				szMode,
				plr[pnum]._pdir,
				nCel,
				pFrameTable[0]);
			*/
			return;
		}
		if(pnum == pcursplr)
			Cl2DecodeFrm2(165, px, py, pCelBuff, nCel, nWidth, a9, a10);
		if(pnum == myplr) {
			Cl2DecodeFrm1(px, py, pCelBuff, nCel, nWidth, a9, a10);
			if(plr[pnum].pManaShield)
				Cl2DecodeFrm1(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10);
		} else if(!(dFlags[x][y] & DFLAG_LIT) || plr[myplr]._pInfraFlag && light_table_index > 8) {
			Cl2DecodeFrm3(px, py, pCelBuff, nCel, nWidth, a9, a10, 1);
			if(plr[pnum].pManaShield)
				Cl2DecodeFrm3(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10,
					1);
		} else {
			l = light_table_index;
			if(light_table_index < 5)
				light_table_index = 0;
			else
				light_table_index -= 5;
			Cl2DecodeLightTbl(px, py, pCelBuff, nCel, nWidth, a9, a10);
			if(plr[pnum].pManaShield)
				Cl2DecodeLightTbl(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10);
			light_table_index = l;
		}
	}
}
// 4B8CC2: using guessed type char pcursplr;
// 5CF31D: using guessed type char setlevel;
// 69BEF8: using guessed type int light_table_index;

void __fastcall DrawClippedPlayer(int pnum, int x, int y, int px, int py, BYTE *pCelBuff, int nCel, int nWidth, int a9, int a10)
{
	int l;
	DWORD *pFrameTable;

	if(dFlags[x][y] & DFLAG_LIT || plr[myplr]._pInfraFlag) {
		if(!pCelBuff) {
			// TermMsg("Drawing player %d \"%s\" clipped: NULL Cel Buffer", pnum, plr[pnum]._pName);
			return;
		}
		pFrameTable = (DWORD *)pCelBuff;
		if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
			/*
			const char *szMode = "unknown action";
			if(plr[pnum]._pmode <= 11)
				szMode = szPlrModeAssert[plr[pnum]._pmode];
			TermMsg(
				"Drawing player %d \"%s\" %s clipped: facing %d, frame %d of %d",
				pnum,
				plr[pnum]._pName,
				szMode,
				plr[pnum]._pdir,
				nCel,
				pFrameTable[0]);
			*/
			return;
		}
		if(pnum == pcursplr)
			Cl2DecodeClrHL(165, px, py, pCelBuff, nCel, nWidth, a9, a10);
		if(pnum == myplr) {
			Cl2DecodeFrm4(px, py, pCelBuff, nCel, nWidth, a9, a10);
			if(plr[pnum].pManaShield)
				Cl2DecodeFrm4(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10);
		} else if(!(dFlags[x][y] & DFLAG_LIT) || plr[myplr]._pInfraFlag && light_table_index > 8) {
			Cl2DecodeFrm5(px, py, pCelBuff, nCel, nWidth, a9, a10, 1);
			if(plr[pnum].pManaShield)
				Cl2DecodeFrm5(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10,
					1);
		} else {
			l = light_table_index;
			if(light_table_index < 5)
				light_table_index = 0;
			else
				light_table_index -= 5;
			Cl2DecodeFrm6(px, py, pCelBuff, nCel, nWidth, a9, a10);
			if(plr[pnum].pManaShield)
				Cl2DecodeFrm6(
					px + plr[pnum]._pAnimWidth2 - misfiledata[MFILE_MANASHLD].mAnimWidth2[0],
					py,
					misfiledata[MFILE_MANASHLD].mAnimData[0],
					1,
					misfiledata[MFILE_MANASHLD].mAnimWidth[0],
					a9,
					a10);
			light_table_index = l;
		}
	}
}
// 4B8CC2: using guessed type char pcursplr;
// 69BEF8: using guessed type int light_table_index;

void __fastcall DrawView(int StartX, int StartY)
{
	if (zoomflag)
		DrawGame(StartX, StartY);
	else
		DrawZoom(StartX, StartY);

	if (automapflag)
		DrawAutomap();

	if (invflag)
		DrawInv();
	else if (sbookflag)
		DrawSpellBook();

	DrawDurIcon();

	if (chrflag)
		DrawChr();
	else if (questlog)
		DrawQuestLog();
	else if (plr[myplr]._pStatPts && !spselflag)
		DrawLevelUpIcon();

	if (uitemflag)
		DrawUniqueInfo();
	if (qtextflag)
		DrawQText();
	if (spselflag)
		DrawSpellList();
	if (dropGoldFlag)
		DrawGoldSplit(dropGoldValue);
	if (helpflag)
		DrawHelp();
	if (msgflag)
		DrawDiabloMsg();

	if (deathflag)
		RedBack();
	else if (PauseMode)
		gmenu_draw_pause();

	DrawPlrMsg();
	gmenu_draw();
	doom_draw();
	DrawInfoBox();
	DrawLifeFlask();
	DrawManaFlask();
}
// 4B84DC: using guessed type int dropGoldFlag;
// 4B8968: using guessed type int sbookflag;
// 4B8C98: using guessed type int spselflag;
// 52569C: using guessed type int zoomflag;
// 525740: using guessed type int PauseMode;
// 52B9F1: using guessed type char msgflag;
// 646D00: using guessed type char qtextflag;
// 69BD04: using guessed type int questlog;

void __fastcall DrawGame(int x, int y)
{
	int v2;         // esi
	int v3;         // ebx
	int v4;         // edi
	int v5;         // edi
	int v6;         // esi
	int v7;         // edi
	int v8;         // esi
	int v9;         // edi
	int v10;        // esi
	signed int v11; // [esp+Ch] [ebp-10h]
	signed int a6;  // [esp+10h] [ebp-Ch]
	signed int a6a; // [esp+10h] [ebp-Ch]
	signed int a5;  // [esp+14h] [ebp-8h]
	int ya;         // [esp+18h] [ebp-4h]

	dword_5C2FF8 = 10;
	v2 = ScrollInfo._sxoff + 64;
	v3 = x - 10;
	ya = y - 1;
	a5 = 10;
	v4 = ScrollInfo._syoff + 175;
	scr_pix_width = 640;
	scr_pix_height = 352;
	dword_5C2FFC = 11;
	v11 = 8;
	if (chrflag || questlog) {
		ya = y - 3;
		v3 += 2;
		v2 = ScrollInfo._sxoff + 352;
		a5 = 6;
	}
	if (invflag || sbookflag) {
		ya -= 2;
		v3 += 2;
		v2 -= 32;
		a5 = 6;
	}
	switch (ScrollInfo._sdir) {
	case DIR_SW:
		goto LABEL_9;
	case DIR_W:
		++a5;
	LABEL_9:
		v4 = ScrollInfo._syoff + 143;
		--v3;
		--ya;
		goto LABEL_15;
	case DIR_NW:
		goto LABEL_13;
	case DIR_N:
		v11 = 9;
		goto LABEL_13;
	case DIR_NE:
		goto LABEL_15;
	case DIR_E:
		v11 = 9;
		goto LABEL_12;
	case DIR_SE:
	LABEL_12:
		v2 -= 64;
		--v3;
		++ya;
	LABEL_13:
		++a5;
		break;
	case DIR_OMNI:
		v2 -= 64;
		v4 = ScrollInfo._syoff + 143;
		v3 -= 2;
		++a5;
	LABEL_15:
		v11 = 9;
		break;
	default:
		break;
	}
	a6 = 0;
	gpBufEnd = (unsigned char *)gpBuffer + screen_y_times_768[160];
	do {
		scrollrt_draw_upper(v3, ya++, v2, v4, a5, a6, 0);
		v5 = v4 + 16;
		v6 = v2 - 32;
		scrollrt_draw_upper(v3++, ya, v6, v5, a5, a6, 1);
		v2 = v6 + 32;
		v4 = v5 + 16;
		++a6;
	} while (a6 < 4);
	gpBufEnd = (unsigned char *)gpBuffer + screen_y_times_768[512];
	if (v11 > 0) {
		do {
			scrollrt_draw_lower(v3, ya++, v2, v4, a5, 0);
			v7 = v4 + 16;
			v8 = v2 - 32;
			scrollrt_draw_lower(v3++, ya, v8, v7, a5, 1);
			v2 = v8 + 32;
			v4 = v7 + 16;
			--v11;
		} while (v11);
	}
	arch_draw_type = 0;
	a6a = 0;
	do {
		scrollrt_draw_lower_2(v3, ya++, v2, v4, a5, a6a, 0);
		v9 = v4 + 16;
		v10 = v2 - 32;
		scrollrt_draw_lower_2(v3++, ya, v10, v9, a5, a6a, 1);
		v2 = v10 + 32;
		v4 = v9 + 16;
		++a6a;
	} while (a6a < 4);
}
// 4B8968: using guessed type int sbookflag;
// 5C2FF8: using guessed type int dword_5C2FF8;
// 5C2FFC: using guessed type int dword_5C2FFC;
// 5C3000: using guessed type int scr_pix_width;
// 5C3004: using guessed type int scr_pix_height;
// 69BD04: using guessed type int questlog;
// 69CF0C: using guessed type int gpBufEnd;
// 69CF20: using guessed type char arch_draw_type;

void __fastcall scrollrt_draw_lower(int x, int y, int sx, int sy, int a5, int some_flag)
{
	unsigned int v6;    // edi
	unsigned int v7;    // ebx
	unsigned short *v8; // esi
	unsigned int v9;    // ebx
	int v10;            // eax
	int v11;            // ecx
	int v12;            // edx
	char *v13;          // edx
	int v14;            // edi
	int v15;            // eax
	unsigned char *v16; // edi
	unsigned char *v17; // edi
	unsigned char *v18; // edi
	unsigned char *v19; // edi
	int v20;            // eax
	int v21;            // edi
	int v22;            // ecx
	int v23;            // ecx
	int v24;            // eax
	int *v25;           // ebx
	int v26;            // ecx
	int v27;            // eax
	int v28;            // edi
	unsigned char *v29; // edi
	int v30;            // eax
	int v31;            // eax
	int v32;            // eax
	int v33;            // ecx
	int v34;            // eax
	int *v35;           // edi
	int v36;            // ecx
	int v37;            // eax
	char *v38;          // edi
	unsigned char *v39; // edi
	int v40;            // eax
	unsigned char *v41; // edi
	unsigned char *v42; // edi
	unsigned char *v43; // edi
	unsigned char *v44; // edi
	int v45;            // eax
	int v46;            // [esp+Ch] [ebp-10h]
	int v47;            // [esp+10h] [ebp-Ch]
	signed int sya;     // [esp+14h] [ebp-8h]
	unsigned int sxa;   // [esp+18h] [ebp-4h]
	signed int i;       // [esp+2Ch] [ebp+10h]
	int *v51;           // [esp+2Ch] [ebp+10h]

	v6 = y;
	v7 = x;
	sya = y;
	sxa = x;
	v8 = (unsigned short *)((char *)dpiece_defs_map_1 + 32 * gendung_get_dpiece_num_from_coord(x, y));
	if (some_flag) {
		if (v6 < 0x70 && v7 < 0x70) {
			v9 = v7;
			v10 = dPiece[v9][v6];
			light_table_index = dTransVal[v9][v6];
			level_piece_id = v10;
			if (v10) {
				v11 = (unsigned char)(nTransTable[v10] & TransList[dung_map[v9][v6]]);
				arch_draw_type = 2;
				v12 = screen_y_times_768[sy];
				cel_transparency_active = v11;
				v13 = (char *)gpBuffer + v12;
				level_cel_block = v8[1];
				v14 = (int)&v13[sx + 32];
				if (level_cel_block)
					drawLowerScreen((unsigned char *)&v13[sx + 32]);
				v15 = v8[3];
				arch_draw_type = 0;
				v16 = (unsigned char *)(v14 - 24576);
				level_cel_block = v15;
				if (v15)
					drawLowerScreen(v16);
				v17 = v16 - 24576;
				level_cel_block = v8[5];
				if (level_cel_block)
					drawLowerScreen(v17);
				v18 = v17 - 24576;
				level_cel_block = v8[7];
				if (level_cel_block)
					drawLowerScreen(v18);
				v19 = v18 - 24576;
				level_cel_block = v8[9];
				if (level_cel_block)
					drawLowerScreen(v19);
				v20 = v8[11];
				level_cel_block = v8[11];
				if (v20 && leveltype == DTYPE_HELL)
					drawLowerScreen(v19 - 24576);
				v21 = sy;
				scrollrt_draw_clipped_dungeon((char *)gpBuffer + screen_y_times_768[sy] + sx, sxa, sya, sx, sy, 0);
				goto LABEL_21;
			}
			world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[sy] + sx);
		}
		v21 = sy;
	LABEL_21:
		++sxa;
		--sya;
		sx += 64;
		v8 += 16;
		--a5;
		goto LABEL_23;
	}
	v21 = sy;
LABEL_23:
	v46 = a5;
	if (a5) {
		v22 = 112 * sxa;
		v47 = 112 * sxa;
		do {
			--v46;
			if (sya < 0 || v22 >= MAXDUNX * 112)
				break;
			if (sya < MAXDUNY && v22 >= 0) {
				v23 = sya + v22;
				v24 = dPiece[0][v23];
				light_table_index = dTransVal[0][v23];
				level_piece_id = v24;
				if (v24) {
					v25 = &screen_y_times_768[v21];
					v26 = (unsigned char)(nTransTable[v24] & TransList[dung_map[0][v23]]);
					v27 = *v8;
					v28 = *v25;
					cel_transparency_active = v26;
					arch_draw_type = 1;
					level_cel_block = v27;
					v29 = (unsigned char *)gpBuffer + v28 + sx;
					if (v27)
						drawLowerScreen(v29);
					v30 = v8[1];
					arch_draw_type = 2;
					level_cel_block = v30;
					if (v30)
						drawLowerScreen(v29 + 32);
					arch_draw_type = 0;
					v31 = 2;
					for (i = 2; i < dword_5A5594; i += 2) {
						v29 -= 24576;
						level_cel_block = v8[v31];
						if (level_cel_block)
							drawLowerScreen(v29);
						v32 = v8[i + 1];
						level_cel_block = v8[i + 1];
						if (v32)
							drawLowerScreen(v29 + 32);
						v31 = i + 2;
					}
					scrollrt_draw_clipped_dungeon((char *)gpBuffer + *v25 + sx, sxa, sya, sx, sy, 1);
					v21 = sy;
				} else {
					world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[v21] + sx);
				}
				v22 = v47;
			}
			++sxa;
			sx += 64;
			v22 += 112;
			--sya;
			v8 += 16;
			v47 = v22;
		} while (v46);
	}
	if (some_flag && (unsigned int)sya < 0x70 && sxa < 0x70) {
		v33 = sya + 112 * sxa;
		v34 = dPiece[0][v33];
		light_table_index = dTransVal[0][v33];
		level_piece_id = v34;
		if (v34) {
			v35 = &screen_y_times_768[v21];
			v36 = (unsigned char)(nTransTable[v34] & TransList[dung_map[0][v33]]);
			v37 = *v8;
			v51 = v35;
			v38 = (char *)gpBuffer + *v35;
			cel_transparency_active = v36;
			arch_draw_type = 1;
			level_cel_block = v37;
			v39 = (unsigned char *)&v38[sx];
			if (v37)
				drawLowerScreen(v39);
			v40 = v8[2];
			arch_draw_type = 0;
			v41 = v39 - 24576;
			level_cel_block = v40;
			if (v40)
				drawLowerScreen(v41);
			v42 = v41 - 24576;
			level_cel_block = v8[4];
			if (level_cel_block)
				drawLowerScreen(v42);
			v43 = v42 - 24576;
			level_cel_block = v8[6];
			if (level_cel_block)
				drawLowerScreen(v43);
			v44 = v43 - 24576;
			level_cel_block = v8[8];
			if (level_cel_block)
				drawLowerScreen(v44);
			v45 = v8[10];
			level_cel_block = v8[10];
			if (v45) {
				if (leveltype == DTYPE_HELL)
					drawLowerScreen(v44 - 24576);
			}
			scrollrt_draw_clipped_dungeon((char *)gpBuffer + *v51 + sx, sxa, sya, sx, sy, 0);
		} else {
			world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[v21] + sx);
		}
	}
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF20: using guessed type char arch_draw_type;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall scrollrt_draw_clipped_dungeon(char *a1, int sx, int sy, int a4, int a5, int a6)
{
	int v6;             // eax
	char v7;            // bl
	char v8;            // cl
	char v9;            // dl
	int *v10;           // eax
	DeadStruct *v11;    // eax
	int *v12;           // esi
	int v13;            // ecx
	int v14;            // edx
	char v15;           // bl
	ItemStruct *v16;    // esi
	char *v17;          // eax
	signed int v18;     // ebx
	int v19;            // ebx
	unsigned int v20;   // ecx
	PlayerStruct *v21;  // esi
	int v22;            // esi
	int v23;            // eax
	MonsterStruct *v24; // esi
	CMonster *v25;      // ecx
	int v26;            // ebx
	int v27;            // edi
	unsigned int v28;   // ecx
	PlayerStruct *v29;  // esi
	int v30;            // esi
	int v31;            // eax
	MonsterStruct *v32; // esi
	CMonster *v33;      // ecx
	int v34;            // ebx
	int v35;            // edi
	ItemStruct *v36;    // esi
	char *v37;          // ecx
	signed int v38;     // ebx
	int v39;            // ebx
	int v40;            // [esp+Ch] [ebp-18h]
	int v41;            // [esp+10h] [ebp-14h]
	char *dst_buf;      // [esp+14h] [ebp-10h]
	int a1a;            // [esp+18h] [ebp-Ch]
	char v44;           // [esp+1Dh] [ebp-7h]
	char v45;           // [esp+1Eh] [ebp-6h]
	char v46;           // [esp+1Fh] [ebp-5h]
	char v47;           // [esp+20h] [ebp-4h]
	char v48;           // [esp+21h] [ebp-3h]
	char v49;           // [esp+22h] [ebp-2h]
	char v50;           // [esp+23h] [ebp-1h]

	a1a = sx;
	dst_buf = a1;
	v6 = 112 * sx + sy;
	v7 = dDead[0][v6];
	v50 = dFlags[0][v6];
	v47 = dObject[0][v6];
	v49 = dItem[0][v6];
	v8 = dPlayer[0][v6 - 1];
	v48 = dPlayer[0][v6];
	v46 = dArch[0][v6];
	v9 = dung_map[0][v6];
	v10 = (int *)((char *)dMonster + 4 * v6);
	v44 = v9;
	v45 = v8;
	v40 = *v10;
	v41 = *(v10 - 1);
	if (visiondebug && v50 & DFLAG_LIT)
		Cel2DecodeHdrOnly((BYTE *)dst_buf, (BYTE *)pSquareCel, 1, 64, 0, 8);
	if (MissilePreFlag && v50 & DFLAG_MISSILE)
		DrawClippedMissile(a1a, sy, a4, a5, 0, 8, TRUE);
	if (light_table_index < lightmax) {
		if (v7) {
			v11 = &dead[(v7 & 0x1F) - 1];
			v12 = (int *)v11->_deadData[(v7 >> 5) & 7];
			v13 = a4 - v11->_deadWidth2;
			if (v12) {
				v14 = v11->_deadFrame;
				if (v14 >= 1 && (unsigned int)*v12 <= 0x32 && v14 <= *v12) {
					v15 = v11->_deadtrans;
					if (v15)
						Cl2DecodeFrm5(v13, a5, (BYTE *)v12, v14, v11->_deadWidth, 0, 8, v15);
					else
						Cl2DecodeFrm6(v13, a5, (BYTE *)v12, v14, v11->_deadWidth, 0, 8);
				}
			}
		}
		if (v47)
			DrawClippedObject(a1a, sy, a4, a5, 1, 0, 8);
	}
	if (v49) {
		v16 = &item[v49 - 1];
		if (!v16->_iPostDraw && (unsigned char)v49 <= MAXITEMS) {
			v17 = (char *)v16->_iAnimData;
			if (v17) {
				v18 = v16->_iAnimFrame;
				if (v18 >= 1 && *(_DWORD *)v17 <= 0x32u && v18 <= *(_DWORD *)v17) {
					v19 = a4 - v16->_iAnimWidth2;
					if (v49 - 1 == pcursitem)
						CelDrawHdrClrHL(ICOL_BLUE, v19, a5, (BYTE *)v17, v16->_iAnimFrame, v16->_iAnimWidth, 0, 8);
					Cel2DecodeHdrLight(v19, a5, v16->_iAnimData, v16->_iAnimFrame, v16->_iAnimWidth, 0, 8);
				}
			}
		}
	}
	if (v50 & DFLAG_PLAYER) {
		v20 = -1 - v45;
		if (v20 < 4) {
			v21 = &plr[v20];
			DrawClippedPlayer(
			    v20,
			    a1a,
			    sy - 1,
			    a4 + v21->_pxoff - v21->_pAnimWidth2,
			    a5 + v21->_pyoff,
			    v21->_pAnimData,
			    v21->_pAnimFrame,
			    v21->_pAnimWidth,
			    0,
			    8);
			if (a6) {
				v22 = v21->_peflag;
				if (v22) {
					if (v22 == 2)
						scrollrt_draw_clipped_e_flag(dst_buf - 12384, a1a - 2, sy + 1, a4 - 96, a5 - 16);
					scrollrt_draw_clipped_e_flag(dst_buf - 64, a1a - 1, sy + 1, a4 - 64, a5);
				}
			}
		}
	}
	if (v50 & DFLAG_MONSTER && (v50 & DFLAG_LIT || plr[myplr]._pInfraFlag) && v41 < 0) {
		v23 = -1 - v41;
		draw_monster_num = -1 - v41;
		if ((unsigned int)(-1 - v41) < MAXMONSTERS) {
			v24 = &monster[v23];
			if (!(v24->_mFlags & MFLAG_HIDDEN)) {
				v25 = v24->MType;
				if (v25) {
					v26 = a5 + v24->_myoff;
					v27 = a4 + v24->_mxoff - v25->width2;
					if (v23 == pcursmonst) {
						Cl2DecodeClrHL(233, v27, v26, v24->_mAnimData, v24->_mAnimFrame, v25->width, 0, 8);
						v23 = draw_monster_num;
					}
					DrawClippedMonster(a1a, sy, v27, v26, v23, 0, 8);
					if (a6 && v24->_meflag)
						scrollrt_draw_clipped_e_flag(dst_buf - 64, a1a - 1, sy + 1, a4 - 64, a5);
				}
			}
		}
	}
	if (v50 & 4)
		DrawDeadPlayer(a1a, sy, a4, a5, 0, 8, 1);
	if (v48 > 0) {
		v28 = v48 - 1;
		if (v28 < 4) {
			v29 = &plr[v28];
			DrawClippedPlayer(
			    v28,
			    a1a,
			    sy,
			    a4 + v29->_pxoff - v29->_pAnimWidth2,
			    a5 + v29->_pyoff,
			    v29->_pAnimData,
			    v29->_pAnimFrame,
			    v29->_pAnimWidth,
			    0,
			    8);
			if (a6) {
				v30 = v29->_peflag;
				if (v30) {
					if (v30 == 2)
						scrollrt_draw_clipped_e_flag(dst_buf - 12384, a1a - 2, sy + 1, a4 - 96, a5 - 16);
					scrollrt_draw_clipped_e_flag(dst_buf - 64, a1a - 1, sy + 1, a4 - 64, a5);
				}
			}
		}
	}
	if (v40 > 0 && (v50 & 0x40 || plr[myplr]._pInfraFlag)) {
		v31 = v40 - 1;
		draw_monster_num = v40 - 1;
		if ((unsigned int)(v40 - 1) < MAXMONSTERS) {
			v32 = &monster[v31];
			if (!(v32->_mFlags & MFLAG_HIDDEN)) {
				v33 = v32->MType;
				if (v33) {
					v34 = a5 + v32->_myoff;
					v35 = a4 + v32->_mxoff - v33->width2;
					if (v31 == pcursmonst) {
						Cl2DecodeClrHL(233, v35, v34, v32->_mAnimData, v32->_mAnimFrame, v33->width, 0, 8);
						v31 = draw_monster_num;
					}
					DrawClippedMonster(a1a, sy, v35, v34, v31, 0, 8);
					if (a6 && v32->_meflag)
						scrollrt_draw_clipped_e_flag(dst_buf - 64, a1a - 1, sy + 1, a4 - 64, a5);
				}
			}
		}
	}
	if (v50 & 1)
		DrawClippedMissile(a1a, sy, a4, a5, 0, 8, FALSE);
	if (v47 && light_table_index < lightmax)
		DrawClippedObject(a1a, sy, a4, a5, 0, 0, 8);
	if (v49) {
		v36 = &item[v49 - 1];
		if (v36->_iPostDraw) {
			if ((unsigned char)v49 <= MAXITEMS) {
				v37 = (char *)v36->_iAnimData;
				if (v37) {
					v38 = v36->_iAnimFrame;
					if (v38 >= 1 && *(_DWORD *)v37 <= 0x32u && v38 <= *(_DWORD *)v37) {
						v39 = a4 - v36->_iAnimWidth2;
						if (v49 - 1 == pcursitem)
							CelDrawHdrClrHL(ICOL_BLUE, v39, a5, (BYTE *)v37, v36->_iAnimFrame, v36->_iAnimWidth, 0, 8);
						Cel2DecodeHdrLight(
						    v39,
						    a5,
						    v36->_iAnimData,
						    v36->_iAnimFrame,
						    v36->_iAnimWidth,
						    0,
						    8);
					}
				}
			}
		}
	}
	if (v46) {
		cel_transparency_active = (unsigned char)TransList[v44];
		Cel2DecodeLightTrans((BYTE *)dst_buf, (BYTE *)level_special_cel, v46, 64, 0, 8);
	}
}
// 4B8CC0: using guessed type char pcursitem;
// 525720: using guessed type int visiondebug;
// 642A14: using guessed type char lightmax;
// 64CCD4: using guessed type int MissilePreFlag;
// 69BEF8: using guessed type int light_table_index;
// 69CF94: using guessed type int cel_transparency_active;
// 69EFA4: using guessed type int draw_monster_num;

void __fastcall DrawClippedMonster(int x, int y, int mx, int my, int m, int a6, int a7)
{
	int nCel;
	char trans;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if((DWORD)m >= MAXMONSTERS) {
		// TermMsg("Draw Monster Clipped: tried to draw illegal monster %d", m);
		return;
	}

	pCelBuff = monster[m]._mAnimData;
	if(!pCelBuff) {
		// TermMsg("Draw Monster \"%s\" Clipped: NULL Cel Buffer", monster[m].mName);
		return;
	}

	nCel = monster[m]._mAnimFrame;
	pFrameTable = (DWORD *)pCelBuff;
	if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
		/*
		const char *szMode = "unknown action";
		if(monster[m]._mmode <= 17)
			szMode = szMonModeAssert[monster[m]._mmode];
		TermMsg(
			"Draw Monster \"%s\" %s Clipped: facing %d, frame %d of %d",
			monster[m].mName,
			szMode,
			monster[m]._mdir,
			nCel,
			pFrameTable[0]);
		*/
		return;
	}

	if(!(dFlags[x][y] & DFLAG_LIT)) {
		Cl2DecodeFrm5(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7, 1);
	} else {
		trans = 0;
		if(monster[m]._uniqtype)
			trans = monster[m]._uniqtrans + 4;
		if(monster[m]._mmode == MM_STONE)
			trans = 2;
		if(plr[myplr]._pInfraFlag && light_table_index > 8)
			trans = 1;
		if(trans)
			Cl2DecodeFrm5(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7, trans);
		else
			Cl2DecodeFrm6(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7);
	}
}
// 69BEF8: using guessed type int light_table_index;

void __fastcall DrawClippedObject(int x, int y, int ox, int oy, BOOL pre, int a6, int dir)
{
	int sx, sy, xx, yy, nCel;
	char bv;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if(dObject[x][y] > 0) {
		bv = dObject[x][y] - 1;
		if(object[bv]._oPreFlag != pre)
			return;
		sx = ox - object[bv]._oAnimWidth2;
		sy = oy;
	} else {
		bv = -(dObject[x][y] + 1);
		if(object[bv]._oPreFlag != pre)
			return;
		xx = object[bv]._ox - x;
		yy = object[bv]._oy - y;
		sx = (xx << 5) + ox - object[bv]._oAnimWidth2 - (yy << 5);
		sy = oy + (yy << 4) + (xx << 4);
		a6 = 0;
		dir = 8;
	}

	/// ASSERT: assert((unsigned char)bv < MAXOBJECTS);
	if((unsigned char)bv >= MAXOBJECTS)
		return;

	pCelBuff = object[bv]._oAnimData;
	if(!pCelBuff) {
		// TermMsg("Draw Object type %d Clipped: NULL Cel Buffer", object[bv]._otype);
		return;
	}

	nCel = object[bv]._oAnimFrame;
	pFrameTable = (DWORD *)pCelBuff;
	if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
		// TermMsg("Draw Clipped Object: frame %d of %d, object type==%d", nCel, pFrameTable[0], object[bv]._otype);
		return;
	}

	if(bv == pcursobj)
		CelDrawHdrClrHL(194, sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
	if(object[bv]._oLight)
		Cel2DecodeHdrLight(sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
	else
		Cel2DrawHdrOnly(sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
}
// 4B8CC1: using guessed type char pcursobj;

void __fastcall scrollrt_draw_clipped_e_flag(char *buffer, int x, int y, int a4, int a5)
{
	int v5;               // eax
	int v6;               // ebx
	int v7;               // ecx
	int v8;               // esi
	int v9;               // eax
	int v10;              // edi
	int v11;              // eax
	int v12;              // eax
	unsigned short *v13;  // esi
	int v14;              // eax
	int v15;              // eax
	int v16;              // eax
	int v17;              // eax
	int v18;              // [esp+Ch] [ebp-14h]
	int xa;               // [esp+10h] [ebp-10h]
	int i;                // [esp+14h] [ebp-Ch]
	unsigned char *a1;    // [esp+18h] [ebp-8h]
	unsigned char *pbDst; // [esp+1Ch] [ebp-4h]

	xa = x;
	v18 = level_piece_id;
	v5 = y + 112 * x;
	a1 = (unsigned char *)buffer;
	v6 = cel_transparency_active;
	v7 = dPiece[0][v5];
	v8 = dTransVal[0][v5];
	v9 = dung_map[0][v5];
	v10 = light_table_index;
	level_piece_id = v7;
	v11 = (unsigned char)(nTransTable[v7] & TransList[v9]);
	light_table_index = v8;
	cel_transparency_active = v11;
	v12 = gendung_get_dpiece_num_from_coord(x, y);
	arch_draw_type = 1;
	v13 = (unsigned short *)((char *)dpiece_defs_map_1 + 32 * v12);
	v14 = *v13;
	level_cel_block = *v13;
	if (v14)
		drawLowerScreen(a1);
	v15 = v13[1];
	arch_draw_type = 2;
	level_cel_block = v15;
	if (v15)
		drawLowerScreen(a1 + 32);
	arch_draw_type = 0;
	pbDst = a1;
	v16 = 2;
	for (i = 2; i < dword_5A5594; i += 2) {
		pbDst -= 24576;
		level_cel_block = v13[v16];
		if (level_cel_block)
			drawLowerScreen(pbDst);
		v17 = v13[i + 1];
		level_cel_block = v13[i + 1];
		if (v17)
			drawLowerScreen(pbDst + 32);
		v16 = i + 2;
	}
	scrollrt_draw_clipped_dungeon((char *)a1, xa, y, a4, a5, 0);
	light_table_index = v10;
	cel_transparency_active = v6;
	level_piece_id = v18;
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF20: using guessed type char arch_draw_type;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall scrollrt_draw_lower_2(int x, int y, int sx, int sy, int a5, int a6, int some_flag)
{
	signed int v7;       // ebx
	int v8;              // edi
	int v9;              // ecx
	int v10;             // eax
	int v11;             // eax
	int v12;             // eax
	int v13;             // ecx
	int v14;             // ecx
	int v15;             // eax
	unsigned char *v16;  // ebx
	int v17;             // eax
	int v18;             // eax
	int v19;             // ecx
	int v20;             // eax
	int v21;             // eax
	int v22;             // eax
	int v23;             // [esp+Ch] [ebp-14h]
	unsigned short *v24; // [esp+10h] [ebp-10h]
	int v25;             // [esp+10h] [ebp-10h]
	int a1;              // [esp+14h] [ebp-Ch]
	unsigned char *a1a;  // [esp+14h] [ebp-Ch]
	unsigned char *a1b;  // [esp+14h] [ebp-Ch]
	char *v29;           // [esp+18h] [ebp-8h]
	signed int xa;       // [esp+1Ch] [ebp-4h]
	int a6a;             // [esp+28h] [ebp+8h]
	int a6b;             // [esp+28h] [ebp+8h]
	int a6c;             // [esp+28h] [ebp+8h]
	unsigned short *a5a; // [esp+30h] [ebp+10h]
	unsigned short *a5b; // [esp+30h] [ebp+10h]

	v7 = y;
	a1 = y;
	xa = x;
	v8 = sx;
	v29 = (char *)dpiece_defs_map_1 + 32 * gendung_get_dpiece_num_from_coord(x, y);
	if (some_flag) {
		if (v7 >= 0 && v7 < MAXDUNY && xa >= 0 && xa < MAXDUNX) {
			v9 = 112 * xa + v7;
			v10 = dPiece[0][v9];
			light_table_index = dTransVal[0][v9];
			level_piece_id = v10;
			if (v10) {
				a6a = 0;
				cel_transparency_active = (unsigned char)(nTransTable[v10] & TransList[dung_map[0][v9]]);
				a1a = (unsigned char *)gpBuffer + screen_y_times_768[sy] + v8 - 24544;
				if ((dword_5A5594 >> 1) - 1 > 0) {
					v24 = (unsigned short *)(v29 + 6);
					do {
						if (a6 <= a6a) {
							v11 = *v24;
							level_cel_block = *v24;
							if (v11)
								drawLowerScreen(a1a);
						}
						a1a -= 24576;
						++a6a;
						v24 += 2;
					} while (a6a < (dword_5A5594 >> 1) - 1);
				}
				v12 = 2 * a6 + 2;
				if (v12 < 8)
					scrollrt_draw_clipped_dungeon_2(
					    (char *)gpBuffer + screen_y_times_768[sy] - 12288 * v12 + v8,
					    xa,
					    v7,
					    a6,
					    2 * a6 + 2,
					    v8,
					    sy,
					    0);
			}
		}
		++xa;
		--v7;
		v8 += 64;
		--a5;
		v29 += 32;
		a1 = v7;
	}
	v25 = a5;
	if (a5) {
		v13 = 112 * xa;
		v23 = 112 * xa;
		do {
			--v25;
			if (v13 >= MAXDUNX * 112 || v7 < 0)
				break;
			if (v7 < MAXDUNY && v13 >= 0) {
				v14 = v7 + v13;
				v15 = dPiece[0][v14];
				light_table_index = dTransVal[0][v14];
				level_piece_id = v15;
				if (v15) {
					a6b = 0;
					cel_transparency_active = (unsigned char)(nTransTable[v15] & TransList[dung_map[0][v14]]);
					v16 = (unsigned char *)gpBuffer + screen_y_times_768[sy] + v8 - 24576;
					if ((dword_5A5594 >> 1) - 1 > 0) {
						a5a = (unsigned short *)(v29 + 6);
						do {
							if (a6 <= a6b) {
								v17 = *(a5a - 1);
								level_cel_block = *(a5a - 1);
								if (v17)
									drawLowerScreen(v16);
								v18 = *a5a;
								level_cel_block = *a5a;
								if (v18)
									drawLowerScreen(v16 + 32);
							}
							++a6b;
							a5a += 2;
							v16 -= 24576;
						} while (a6b < (dword_5A5594 >> 1) - 1);
					}
					if (2 * a6 + 2 < 8)
						scrollrt_draw_clipped_dungeon_2(
						    (char *)gpBuffer + screen_y_times_768[sy] - ((3 * a6 + 3) << 13) + v8,
						    xa,
						    a1,
						    a6,
						    2 * a6 + 2,
						    v8,
						    sy,
						    1);
					v7 = a1;
				}
			}
			++xa;
			v29 += 32;
			v13 = v23 + 112;
			--v7;
			v8 += 64;
			v23 += 112;
			a1 = v7;
		} while (v25);
	}
	if (some_flag) {
		if ((unsigned int)v7 < 0x70 && (unsigned int)xa < 0x70) {
			v19 = 112 * xa + v7;
			v20 = dPiece[0][v19];
			light_table_index = dTransVal[0][v19];
			level_piece_id = v20;
			if (v20) {
				a6c = 0;
				cel_transparency_active = (unsigned char)(nTransTable[v20] & TransList[dung_map[0][v19]]);
				a1b = (unsigned char *)gpBuffer + screen_y_times_768[sy] + v8 - 24576;
				if ((dword_5A5594 >> 1) - 1 > 0) {
					a5b = (unsigned short *)(v29 + 4);
					do {
						if (a6 <= a6c) {
							v21 = *a5b;
							level_cel_block = *a5b;
							if (v21)
								drawLowerScreen(a1b);
						}
						a1b -= 24576;
						++a6c;
						a5b += 2;
					} while (a6c < (dword_5A5594 >> 1) - 1);
				}
				v22 = 2 * a6 + 2;
				if (v22 < 8)
					scrollrt_draw_clipped_dungeon_2(
					    (char *)gpBuffer + screen_y_times_768[sy] - 12288 * v22 + v8,
					    xa,
					    v7,
					    a6,
					    2 * a6 + 2,
					    v8,
					    sy,
					    0);
			}
		}
	}
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall scrollrt_draw_clipped_dungeon_2(char *buffer, int x, int y, int a4, int a5, int sx, int sy, int me_flag)
{
	int v8;             // eax
	char v9;            // bl
	char v10;           // cl
	char v11;           // dl
	int *v12;           // eax
	int v13;            // edi
	DeadStruct *v14;    // eax
	int *v15;           // esi
	int v16;            // ecx
	int v17;            // edx
	char v18;           // bl
	ItemStruct *v19;    // esi
	char *v20;          // eax
	signed int v21;     // ebx
	int v22;            // ebx
	unsigned int v23;   // ecx
	PlayerStruct *v24;  // esi
	int v25;            // esi
	int v26;            // eax
	MonsterStruct *v27; // esi
	CMonster *v28;      // ecx
	int v29;            // ebx
	int v30;            // edi
	unsigned int v31;   // ecx
	PlayerStruct *v32;  // esi
	int v33;            // esi
	int v34;            // eax
	MonsterStruct *v35; // esi
	CMonster *v36;      // ecx
	int v37;            // ebx
	int v38;            // edi
	ItemStruct *v39;    // esi
	char *v40;          // eax
	int v41;            // ecx
	int v42;            // edi
	int v43;            // [esp+Ch] [ebp-18h]
	int v44;            // [esp+10h] [ebp-14h]
	char *dst_buf;      // [esp+14h] [ebp-10h]
	int a1;             // [esp+18h] [ebp-Ch]
	char v47;           // [esp+1Dh] [ebp-7h]
	char v48;           // [esp+1Eh] [ebp-6h]
	char v49;           // [esp+1Fh] [ebp-5h]
	char v50;           // [esp+20h] [ebp-4h]
	char v51;           // [esp+21h] [ebp-3h]
	char v52;           // [esp+22h] [ebp-2h]
	char v53;           // [esp+23h] [ebp-1h]

	a1 = x;
	dst_buf = buffer;
	v8 = 112 * x + y;
	v9 = dDead[0][v8];
	v53 = dFlags[0][v8];
	v50 = dObject[0][v8];
	v52 = dItem[0][v8];
	v10 = dPlayer[0][v8 - 1];
	v51 = dPlayer[0][v8];
	v49 = dArch[0][v8];
	v11 = dung_map[0][v8];
	v12 = (int *)((char *)dMonster + 4 * v8);
	v47 = v11;
	v48 = v10;
	v43 = *v12;
	v44 = *(v12 - 1);
	if (visiondebug && v53 & DFLAG_LIT)
		Cel2DecodeHdrOnly((BYTE *)dst_buf, (BYTE *)pSquareCel, 1, 64, a5, 8);
	if (MissilePreFlag && v53 & DFLAG_MISSILE) {
		v13 = sx;
		DrawClippedMissile(a1, y, sx, sy, a5, 8, TRUE);
	} else {
		v13 = sx;
	}
	if (light_table_index < lightmax) {
		if (v9) {
			v14 = &dead[(v9 & 0x1F) - 1];
			v15 = (int *)v14->_deadData[(v9 >> 5) & 7];
			v16 = v13 - v14->_deadWidth2;
			if (v15) {
				v17 = v14->_deadFrame;
				if (v17 >= 1 && (unsigned int)*v15 <= 0x32 && v17 <= *v15) {
					v18 = v14->_deadtrans;
					if (v18)
						Cl2DecodeFrm5(v16, sy, (BYTE *)v15, v17, v14->_deadWidth, a5, 8, v18);
					else
						Cl2DecodeFrm6(v16, sy, (BYTE *)v15, v17, v14->_deadWidth, a5, 8);
				}
			}
		}
		if (v50)
			DrawClippedObject(a1, y, v13, sy, 1, a5, 8);
	}
	if (v52) {
		v19 = &item[v52 - 1];
		if (!v19->_iPostDraw && (unsigned char)v52 <= MAXITEMS) {
			v20 = (char *)v19->_iAnimData;
			if (v20) {
				v21 = v19->_iAnimFrame;
				if (v21 >= 1 && *(_DWORD *)v20 <= 0x32u && v21 <= *(_DWORD *)v20) {
					v22 = v13 - v19->_iAnimWidth2;
					if (v52 - 1 == pcursitem)
						CelDrawHdrClrHL(ICOL_BLUE, v22, sy, (BYTE *)v20, v19->_iAnimFrame, v19->_iAnimWidth, a5, 8);
					Cel2DecodeHdrLight(v22, sy, v19->_iAnimData, v19->_iAnimFrame, v19->_iAnimWidth, a5, 8);
				}
			}
		}
	}
	if (v53 & DFLAG_PLAYER) {
		v23 = -1 - v48;
		if (v23 < 4) {
			v24 = &plr[v23];
			DrawClippedPlayer(
			    v23,
			    a1,
			    y - 1,
			    v13 + v24->_pxoff - v24->_pAnimWidth2,
			    sy + v24->_pyoff,
			    v24->_pAnimData,
			    v24->_pAnimFrame,
			    v24->_pAnimWidth,
			    a5,
			    8);
			if (me_flag) {
				v25 = v24->_peflag;
				if (v25) {
					if (v25 == 2)
						scrollrt_draw_clipped_e_flag_2(dst_buf - 12384, a1 - 2, y + 1, a4, a5, v13 - 96, sy - 16);
					scrollrt_draw_clipped_e_flag_2(dst_buf - 64, a1 - 1, y + 1, a4, a5, v13 - 64, sy);
				}
			}
		}
	}
	if (v53 & DFLAG_MONSTER && (v53 & DFLAG_LIT || plr[myplr]._pInfraFlag) && v44 < 0) {
		v26 = -1 - v44;
		draw_monster_num = -1 - v44;
		if ((unsigned int)(-1 - v44) < MAXMONSTERS) {
			v27 = &monster[v26];
			if (!(v27->_mFlags & MFLAG_HIDDEN)) {
				v28 = v27->MType;
				if (v28) {
					v29 = sy + v27->_myoff;
					v30 = sx + v27->_mxoff - v28->width2;
					if (v26 == pcursmonst) {
						Cl2DecodeClrHL(233, v30, v29, v27->_mAnimData, v27->_mAnimFrame, v28->width, a5, 8);
						v26 = draw_monster_num;
					}
					DrawClippedMonster(a1, y, v30, v29, v26, a5, 8);
					if (me_flag && !v27->_meflag)
						scrollrt_draw_clipped_e_flag_2(dst_buf - 64, a1 - 1, y + 1, a4, a5, sx - 64, sy);
					v13 = sx;
				}
			}
		}
	}
	if (v53 & DFLAG_DEAD_PLAYER)
		DrawDeadPlayer(a1, y, v13, sy, a5, 8, 1);
	if (v51 > 0) {
		v31 = v51 - 1;
		if (v31 < 4) {
			v32 = &plr[v31];
			DrawClippedPlayer(
			    v31,
			    a1,
			    y,
			    v13 + v32->_pxoff - v32->_pAnimWidth2,
			    sy + v32->_pyoff,
			    v32->_pAnimData,
			    v32->_pAnimFrame,
			    v32->_pAnimWidth,
			    a5,
			    8);
			if (me_flag) {
				v33 = v32->_peflag;
				if (v33) {
					if (v33 == 2)
						scrollrt_draw_clipped_e_flag_2(dst_buf - 12384, a1 - 2, y + 1, a4, a5, v13 - 96, sy - 16);
					scrollrt_draw_clipped_e_flag_2(dst_buf - 64, a1 - 1, y + 1, a4, a5, v13 - 64, sy);
				}
			}
		}
	}
	if (v43 > 0 && (v53 & DFLAG_LIT || plr[myplr]._pInfraFlag)) {
		v34 = v43 - 1;
		draw_monster_num = v43 - 1;
		if ((unsigned int)(v43 - 1) < MAXMONSTERS) {
			v35 = &monster[v34];
			if (!(v35->_mFlags & MFLAG_HIDDEN)) {
				v36 = v35->MType;
				if (v36) {
					v37 = sy + v35->_myoff;
					v38 = sx + v35->_mxoff - v36->width2;
					if (v34 == pcursmonst) {
						Cl2DecodeClrHL(233, v38, v37, v35->_mAnimData, v35->_mAnimFrame, v36->width, a5, 8);
						v34 = draw_monster_num;
					}
					DrawClippedMonster(a1, y, v38, v37, v34, a5, 8);
					if (me_flag && !v35->_meflag)
						scrollrt_draw_clipped_e_flag_2(dst_buf - 64, a1 - 1, y + 1, a4, a5, sx - 64, sy);
					v13 = sx;
				}
			}
		}
	}
	if (v53 & DFLAG_MISSILE)
		DrawClippedMissile(a1, y, v13, sy, a5, 8, FALSE);
	if (v50 && light_table_index < lightmax)
		DrawClippedObject(a1, y, v13, sy, 0, a5, 8);
	if (v52) {
		v39 = &item[v52 - 1];
		if (v39->_iPostDraw) {
			if ((unsigned char)v52 <= MAXITEMS) {
				v40 = (char *)v39->_iAnimData;
				if (v40) {
					v41 = v39->_iAnimFrame;
					if (v41 >= 1 && *(_DWORD *)v40 <= 0x32u && v41 <= *(_DWORD *)v40) {
						v42 = v13 - v39->_iAnimWidth2;
						if (v52 - 1 == pcursitem)
							CelDrawHdrClrHL(ICOL_BLUE, v42, sy, (BYTE *)v40, v41, v39->_iAnimWidth, a5, 8);
						Cel2DecodeHdrLight(
						    v42,
						    sy,
						    v39->_iAnimData,
						    v39->_iAnimFrame,
						    v39->_iAnimWidth,
						    a5,
						    8);
					}
				}
			}
		}
	}
	if (v49) {
		cel_transparency_active = (unsigned char)TransList[v47];
		Cel2DecodeLightTrans((BYTE *)dst_buf, (BYTE *)level_special_cel, v49, 64, a5, 8);
	}
}
// 4B8CC0: using guessed type char pcursitem;
// 525720: using guessed type int visiondebug;
// 642A14: using guessed type char lightmax;
// 64CCD4: using guessed type int MissilePreFlag;
// 69BEF8: using guessed type int light_table_index;
// 69CF94: using guessed type int cel_transparency_active;
// 69EFA4: using guessed type int draw_monster_num;

void __fastcall scrollrt_draw_clipped_e_flag_2(char *buffer, int x, int y, int a4, signed int a5, int sx, int sy)
{
	int v7;              // eax
	int v8;              // ecx
	int v9;              // esi
	int v10;             // eax
	unsigned char *v11;  // edi
	int v12;             // eax
	unsigned short *v13; // esi
	int v14;             // eax
	int v15;             // eax
	int v16;             // eax
	int v17;             // eax
	unsigned char *v18;  // edi
	int v19;             // eax
	int v20;             // [esp+Ch] [ebp-14h]
	int v21;             // [esp+10h] [ebp-10h]
	int v22;             // [esp+14h] [ebp-Ch]
	char *a1;            // [esp+18h] [ebp-8h]
	int xa;              // [esp+1Ch] [ebp-4h]

	xa = x;
	v22 = light_table_index;
	v21 = cel_transparency_active;
	v20 = level_piece_id;
	v7 = y + 112 * x;
	a1 = buffer;
	v8 = dPiece[0][v7];
	v9 = dTransVal[0][v7];
	v10 = dung_map[0][v7];
	level_piece_id = v8;
	v11 = (unsigned char *)&a1[24576 * a4];
	v12 = (unsigned char)(nTransTable[v8] & TransList[v10]);
	light_table_index = v9;
	cel_transparency_active = v12;
	v13 = (unsigned short *)((char *)dpiece_defs_map_1 + 32 * gendung_get_dpiece_num_from_coord(x, y));
	if (!a4) {
		v14 = v13[2];
		level_cel_block = v13[2];
		if (v14)
			drawLowerScreen(v11);
		v15 = v13[3];
		level_cel_block = v13[3];
		if (v15)
			drawLowerScreen(v11 + 32);
		goto LABEL_10;
	}
	if (a4 == 1) {
	LABEL_10:
		v11 -= 24576;
		level_cel_block = v13[4];
		if (level_cel_block)
			drawLowerScreen(v11);
		v16 = v13[5];
		level_cel_block = v13[5];
		if (v16)
			drawLowerScreen(v11 + 32);
		goto LABEL_14;
	}
	if (a4 != 2) {
		if (a4 != 3)
			goto LABEL_22;
		goto LABEL_18;
	}
LABEL_14:
	v11 -= 24576;
	level_cel_block = v13[6];
	if (level_cel_block)
		drawLowerScreen(v11);
	v17 = v13[7];
	level_cel_block = v13[7];
	if (v17)
		drawLowerScreen(v11 + 32);
LABEL_18:
	v18 = v11 - 24576;
	level_cel_block = v13[8];
	if (level_cel_block)
		drawLowerScreen(v18);
	v19 = v13[9];
	level_cel_block = v13[9];
	if (v19)
		drawLowerScreen(v18 + 32);
LABEL_22:
	if (a5 < 8)
		scrollrt_draw_clipped_dungeon_2(a1, xa, y, a4, a5, sx, sy, 0);
	light_table_index = v22;
	cel_transparency_active = v21;
	level_piece_id = v20;
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall scrollrt_draw_upper(int x, int y, int sx, int sy, int a5, int a6, int some_flag)
{
	int v7;             // edi
	int v8;             // esi
	unsigned short *v9; // ebx
	int v10;            // ecx
	int v11;            // eax
	char *v12;          // edx
	int v13;            // edi
	int v14;            // eax
	unsigned char *v15; // edi
	int v16;            // eax
	unsigned char *v17; // edi
	int v18;            // eax
	int v19;            // eax
	int v20;            // esi
	int v21;            // eax
	int v22;            // ecx
	int v23;            // ecx
	int v24;            // eax
	int v25;            // esi
	unsigned char *v26; // esi
	int v27;            // eax
	int v28;            // eax
	int v29;            // eax
	BOOLEAN v30;        // zf
	int v31;            // ecx
	int v32;            // eax
	unsigned char *v33; // esi
	int v34;            // eax
	unsigned char *v35; // esi
	int v36;            // eax
	unsigned char *v37; // esi
	int v38;            // eax
	int v39;            // eax
	int v40;            // [esp+Ch] [ebp-14h]
	int v41;            // [esp+10h] [ebp-10h]
	int a5a;            // [esp+14h] [ebp-Ch]
	int ya;             // [esp+18h] [ebp-8h]
	signed int xa;      // [esp+1Ch] [ebp-4h]
	int i;              // [esp+30h] [ebp+10h]

	v7 = y;
	v8 = x;
	ya = y;
	xa = x;
	v9 = (unsigned short *)((char *)dpiece_defs_map_1 + 32 * gendung_get_dpiece_num_from_coord(x, y));
	a5a = 2 * a6 + 2;
	if (a5a > 8)
		a5a = 8;
	if (some_flag) {
		if (v7 >= 0 && v7 < MAXDUNY && v8 >= 0 && v8 < MAXDUNX) {
			v10 = 112 * v8 + v7;
			v11 = dPiece[0][v10];
			light_table_index = dTransVal[0][v10];
			level_piece_id = v11;
			if (v11) {
				cel_transparency_active = (unsigned char)(nTransTable[v11] & TransList[dung_map[0][v10]]);
				v12 = (char *)gpBuffer + screen_y_times_768[sy];
				v13 = (int)&v12[sx + 32];
				if (a6 >= 0) {
					v14 = v9[1];
					level_cel_block = v9[1];
					if (v14) {
						arch_draw_type = 2;
						drawUpperScreen((unsigned char *)&v12[sx + 32]);
						arch_draw_type = 0;
					}
				}
				v15 = (unsigned char *)(v13 - 24576);
				if (a6 >= 1) {
					v16 = v9[3];
					level_cel_block = v9[3];
					if (v16)
						drawUpperScreen(v15);
				}
				v17 = v15 - 24576;
				if (a6 >= 2) {
					v18 = v9[5];
					level_cel_block = v9[5];
					if (v18)
						drawUpperScreen(v17);
				}
				if (a6 >= 3) {
					v19 = v9[7];
					level_cel_block = v9[7];
					if (v19)
						drawUpperScreen(v17 - 24576);
				}
				v7 = ya;
				scrollrt_draw_dungeon((char *)gpBuffer + screen_y_times_768[sy] + sx, xa, ya, a6, a5a, sx, sy, 0);
			} else {
				world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[sy] + sx);
			}
		}
		sx += 64;
		v8 = xa + 1;
		--v7;
		--a5;
		++xa;
		ya = v7;
		v9 += 16;
	}
	if (a5 > 0) {
		v20 = 112 * v8;
		v41 = v20;
		v40 = a5;
		do {
			if (v7 >= 0 && v7 < MAXDUNY && v20 >= 0 && v20 < MAXDUNX * 112) {
				v21 = dPiece[0][v20 + v7];
				light_table_index = dTransVal[0][v20 + v7];
				level_piece_id = v21;
				if (v21) {
					v22 = dung_map[0][v20 + v7];
					arch_draw_type = 1;
					v23 = (unsigned char)(nTransTable[v21] & TransList[v22]);
					v24 = *v9;
					v25 = screen_y_times_768[sy];
					cel_transparency_active = v23;
					level_cel_block = v24;
					v26 = (unsigned char *)gpBuffer + v25 + sx;
					if (v24)
						drawUpperScreen(v26);
					v27 = v9[1];
					arch_draw_type = 2;
					level_cel_block = v27;
					if (v27)
						drawUpperScreen(v26 + 32);
					arch_draw_type = 0;
					for (i = 1; i < (dword_5A5594 >> 1) - 1; ++i) {
						v26 -= 24576;
						if (a6 >= i) {
							v28 = v9[2 * i];
							level_cel_block = v9[2 * i];
							if (v28)
								drawUpperScreen(v26);
							v29 = v9[2 * i + 1];
							level_cel_block = v9[2 * i + 1];
							if (v29)
								drawUpperScreen(v26 + 32);
						}
					}
					scrollrt_draw_dungeon((char *)gpBuffer + screen_y_times_768[sy] + sx, xa, ya, a6, a5a, sx, sy, 1);
					v7 = ya;
					v20 = v41;
				} else {
					world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[sy] + sx);
				}
			}
			++xa;
			sx += 64;
			v20 += 112;
			--v7;
			v9 += 16;
			v30 = v40-- == 1;
			v41 = v20;
			ya = v7;
		} while (!v30);
	}
	if (some_flag && v7 >= 0 && v7 < MAXDUNY && xa >= 0 && xa < MAXDUNX) {
		v31 = 112 * xa + v7;
		v32 = dPiece[0][v31];
		light_table_index = dTransVal[0][v31];
		level_piece_id = v32;
		if (v32) {
			arch_draw_type = 1;
			cel_transparency_active = (unsigned char)(nTransTable[v32] & TransList[dung_map[0][v31]]);
			v33 = (unsigned char *)gpBuffer + screen_y_times_768[sy] + sx;
			if (a6 >= 0) {
				v34 = *v9;
				level_cel_block = *v9;
				if (v34)
					drawUpperScreen(v33);
			}
			arch_draw_type = 0;
			v35 = v33 - 24576;
			if (a6 >= 1) {
				v36 = v9[2];
				level_cel_block = v9[2];
				if (v36)
					drawUpperScreen(v35);
			}
			v37 = v35 - 24576;
			if (a6 >= 2) {
				v38 = v9[4];
				level_cel_block = v9[4];
				if (v38)
					drawUpperScreen(v37);
			}
			if (a6 >= 3) {
				v39 = v9[6];
				level_cel_block = v9[6];
				if (v39)
					drawUpperScreen(v37 - 24576);
			}
			scrollrt_draw_dungeon((char *)gpBuffer + screen_y_times_768[sy] + sx, xa, ya, a6, a5a, sx, sy, 0);
		} else {
			world_draw_black_tile((unsigned char *)gpBuffer + screen_y_times_768[sy] + sx);
		}
	}
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF20: using guessed type char arch_draw_type;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall scrollrt_draw_dungeon(char *buffer, int x, int y, int a4, int a5, int sx, int sy, int me_flag)
{
	int v8;             // eax
	char v9;            // bl
	char v10;           // cl
	char v11;           // dl
	int *v12;           // eax
	DeadStruct *v13;    // eax
	int *v14;           // esi
	int v15;            // ecx
	int v16;            // edx
	char v17;           // bl
	ItemStruct *v18;    // esi
	char *v19;          // eax
	signed int v20;     // ebx
	int v21;            // ebx
	unsigned int v22;   // ecx
	PlayerStruct *v23;  // esi
	int v24;            // esi
	int v25;            // eax
	MonsterStruct *v26; // esi
	CMonster *v27;      // ecx
	int v28;            // ebx
	int v29;            // edi
	unsigned int v30;   // ecx
	PlayerStruct *v31;  // esi
	int v32;            // esi
	int v33;            // eax
	MonsterStruct *v34; // esi
	CMonster *v35;      // ecx
	int v36;            // ebx
	int v37;            // edi
	ItemStruct *v38;    // esi
	char *v39;          // ecx
	signed int v40;     // ebx
	int v41;            // ebx
	int v42;            // [esp+Ch] [ebp-18h]
	int v43;            // [esp+10h] [ebp-14h]
	char *dst_buf;      // [esp+14h] [ebp-10h]
	int xa;             // [esp+18h] [ebp-Ch]
	char v46;           // [esp+1Dh] [ebp-7h]
	char v47;           // [esp+1Eh] [ebp-6h]
	char v48;           // [esp+1Fh] [ebp-5h]
	char v49;           // [esp+20h] [ebp-4h]
	char v50;           // [esp+21h] [ebp-3h]
	char v51;           // [esp+22h] [ebp-2h]
	char v52;           // [esp+23h] [ebp-1h]

	xa = x;
	dst_buf = buffer;
	v8 = 112 * x + y;
	v9 = dDead[0][v8];
	v52 = dFlags[0][v8];
	v49 = dObject[0][v8];
	v51 = dItem[0][v8];
	v10 = dPlayer[0][v8 - 1];
	v50 = dPlayer[0][v8];
	v48 = dArch[0][v8];
	v11 = dung_map[0][v8];
	v12 = (int *)((char *)dMonster + 4 * v8);
	v46 = v11;
	v47 = v10;
	v42 = *v12;
	v43 = *(v12 - 1);
	if (visiondebug && v52 & DFLAG_LIT)
		CelDecodeHdrOnly((BYTE *)dst_buf, (BYTE *)pSquareCel, 1, 64, 0, a5);
	if (MissilePreFlag && v52 & DFLAG_MISSILE)
		DrawMissile(xa, y, sx, sy, 0, a5, TRUE);
	if (light_table_index < lightmax) {
		if (v9) {
			v13 = &dead[(v9 & 0x1F) - 1];
			v14 = (int *)v13->_deadData[(v9 >> 5) & 7];
			v15 = sx - v13->_deadWidth2;
			if (v14) {
				v16 = v13->_deadFrame;
				if (v16 >= 1 && (unsigned int)*v14 <= 0x32 && v16 <= *v14) {
					v17 = v13->_deadtrans;
					if (v17)
						Cl2DecodeFrm3(v15, sy, (BYTE *)v14, v16, v13->_deadWidth, 0, a5, v17);
					else
						Cl2DecodeLightTbl(v15, sy, (BYTE *)v14, v16, v13->_deadWidth, 0, a5);
				}
			}
		}
		if (v49)
			DrawObject(xa, y, sx, sy, 1, 0, a5);
	}
	if (v51) {
		v18 = &item[v51 - 1];
		if (!v18->_iPostDraw && (unsigned char)v51 <= MAXITEMS) {
			v19 = (char *)v18->_iAnimData;
			if (v19) {
				v20 = v18->_iAnimFrame;
				if (v20 >= 1 && *(_DWORD *)v19 <= 0x32u && v20 <= *(_DWORD *)v19) {
					v21 = sx - v18->_iAnimWidth2;
					if (v51 - 1 == pcursitem)
						CelDecodeClr(ICOL_BLUE, v21, sy, (BYTE *)v19, v18->_iAnimFrame, v18->_iAnimWidth, 0, a5);
					CelDecodeHdrLightOnly(v21, sy, v18->_iAnimData, v18->_iAnimFrame, v18->_iAnimWidth, 0, a5);
				}
			}
		}
	}
	if (v52 & DFLAG_PLAYER) {
		v22 = -1 - v47;
		if (v22 < 4) {
			v23 = &plr[v22];
			DrawPlayer(
			    v22,
			    xa,
			    y - 1,
			    sx + v23->_pxoff - v23->_pAnimWidth2,
			    sy + v23->_pyoff,
			    v23->_pAnimData,
			    v23->_pAnimFrame,
			    v23->_pAnimWidth,
			    0,
			    a5);
			if (me_flag) {
				v24 = v23->_peflag;
				if (v24) {
					if (v24 == 2)
						scrollrt_draw_e_flag(dst_buf - 12384, xa - 2, y + 1, a4, a5, sx - 96, sy - 16);
					scrollrt_draw_e_flag(dst_buf - 64, xa - 1, y + 1, a4, a5, sx - 64, sy);
				}
			}
		}
	}
	if (v52 & DFLAG_MONSTER && (v52 & DFLAG_LIT || plr[myplr]._pInfraFlag) && v43 < 0) {
		v25 = -1 - v43;
		draw_monster_num = -1 - v43;
		if ((unsigned int)(-1 - v43) < MAXMONSTERS) {
			v26 = &monster[v25];
			if (!(v26->_mFlags & MFLAG_HIDDEN)) {
				v27 = v26->MType;
				if (v27) {
					v28 = sy + v26->_myoff;
					v29 = sx + v26->_mxoff - v27->width2;
					if (v25 == pcursmonst) {
						Cl2DecodeFrm2(233, v29, v28, v26->_mAnimData, v26->_mAnimFrame, v27->width, 0, a5);
						v25 = draw_monster_num;
					}
					DrawMonster(xa, y, v29, v28, v25, 0, a5);
					if (me_flag && !v26->_meflag)
						scrollrt_draw_e_flag(dst_buf - 64, xa - 1, y + 1, a4, a5, sx - 64, sy);
				}
			}
		}
	}
	if (v52 & DFLAG_DEAD_PLAYER)
		DrawDeadPlayer(xa, y, sx, sy, 0, a5, 0);
	if (v50 > 0) {
		v30 = v50 - 1;
		if (v30 < 4) {
			v31 = &plr[v30];
			DrawPlayer(
			    v30,
			    xa,
			    y,
			    sx + v31->_pxoff - v31->_pAnimWidth2,
			    sy + v31->_pyoff,
			    v31->_pAnimData,
			    v31->_pAnimFrame,
			    v31->_pAnimWidth,
			    0,
			    a5);
			if (me_flag) {
				v32 = v31->_peflag;
				if (v32) {
					if (v32 == 2)
						scrollrt_draw_e_flag(dst_buf - 12384, xa - 2, y + 1, a4, a5, sx - 96, sy - 16);
					scrollrt_draw_e_flag(dst_buf - 64, xa - 1, y + 1, a4, a5, sx - 64, sy);
				}
			}
		}
	}
	if (v42 > 0 && (v52 & DFLAG_LIT || plr[myplr]._pInfraFlag)) {
		v33 = v42 - 1;
		draw_monster_num = v42 - 1;
		if ((unsigned int)(v42 - 1) < MAXMONSTERS) {
			v34 = &monster[v33];
			if (!(v34->_mFlags & MFLAG_HIDDEN)) {
				v35 = v34->MType;
				if (v35) {
					v36 = sy + v34->_myoff;
					v37 = sx + v34->_mxoff - v35->width2;
					if (v33 == pcursmonst) {
						Cl2DecodeFrm2(233, v37, v36, v34->_mAnimData, v34->_mAnimFrame, v35->width, 0, a5);
						v33 = draw_monster_num;
					}
					DrawMonster(xa, y, v37, v36, v33, 0, a5);
					if (me_flag && !v34->_meflag)
						scrollrt_draw_e_flag(dst_buf - 64, xa - 1, y + 1, a4, a5, sx - 64, sy);
				}
			}
		}
	}
	if (v52 & DFLAG_MISSILE)
		DrawMissile(xa, y, sx, sy, 0, a5, FALSE);
	if (v49 && light_table_index < lightmax)
		DrawObject(xa, y, sx, sy, 0, 0, a5);
	if (v51) {
		v38 = &item[v51 - 1];
		if (v38->_iPostDraw) {
			if ((unsigned char)v51 <= MAXITEMS) {
				v39 = (char *)v38->_iAnimData;
				if (v39) {
					v40 = v38->_iAnimFrame;
					if (v40 >= 1 && *(_DWORD *)v39 <= 0x32u && v40 <= *(_DWORD *)v39) {
						v41 = sx - v38->_iAnimWidth2;
						if (v51 - 1 == pcursitem)
							CelDecodeClr(ICOL_BLUE, v41, sy, (BYTE *)v39, v38->_iAnimFrame, v38->_iAnimWidth, 0, a5);
						CelDecodeHdrLightOnly(
						    v41,
						    sy,
						    v38->_iAnimData,
						    v38->_iAnimFrame,
						    v38->_iAnimWidth,
						    0,
						    a5);
					}
				}
			}
		}
	}
	if (v48) {
		cel_transparency_active = (unsigned char)TransList[v46];
		CelDecodeHdrLightTrans((BYTE *)dst_buf, (BYTE *)level_special_cel, v48, 64, 0, a5);
	}
}
// 4B8CC0: using guessed type char pcursitem;
// 525720: using guessed type int visiondebug;
// 642A14: using guessed type char lightmax;
// 64CCD4: using guessed type int MissilePreFlag;
// 69BEF8: using guessed type int light_table_index;
// 69CF94: using guessed type int cel_transparency_active;
// 69EFA4: using guessed type int draw_monster_num;

void __fastcall DrawMonster(int x, int y, int mx, int my, int m, int a6, int a7)
{
	int nCel;
	char trans;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if((DWORD)m >= MAXMONSTERS) {
		// TermMsg("Draw Monster: tried to draw illegal monster %d", m);
		return;
	}

	pCelBuff = monster[m]._mAnimData;
	if(!pCelBuff) {
		// TermMsg("Draw Monster \"%s\": NULL Cel Buffer", monster[m].mName);
		return;
	}

	nCel = monster[m]._mAnimFrame;
	pFrameTable = (DWORD *)pCelBuff;
	if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
		/*
		const char *szMode = "unknown action";
		if(monster[m]._mmode <= 17)
			szMode = szMonModeAssert[monster[m]._mmode];
		TermMsg(
			"Draw Monster \"%s\" %s: facing %d, frame %d of %d",
			monster[m].mName,
			szMode,
			monster[m]._mdir,
			nCel,
			pFrameTable[0]);
		*/
		return;
	}

	if(!(dFlags[x][y] & DFLAG_LIT)) {
		Cl2DecodeFrm3(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7, 1);
	} else {
		trans = 0;
		if(monster[m]._uniqtype)
			trans = monster[m]._uniqtrans + 4;
		if(monster[m]._mmode == MM_STONE)
			trans = 2;
		if(plr[myplr]._pInfraFlag && light_table_index > 8)
			trans = 1;
		if(trans)
			Cl2DecodeFrm3(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7, trans);
		else
			Cl2DecodeLightTbl(mx, my, monster[m]._mAnimData, monster[m]._mAnimFrame, monster[m].MType->width, a6, a7);
	}
}
// 69BEF8: using guessed type int light_table_index;

void __fastcall DrawObject(int x, int y, int ox, int oy, BOOL pre, int a6, int dir)
{
	int sx, sy, xx, yy, nCel;
	char bv;
	BYTE *pCelBuff;
	DWORD *pFrameTable;

	if(dObject[x][y] > 0) {
		bv = dObject[x][y] - 1;
		if(object[bv]._oPreFlag != pre)
			return;
		sx = ox - object[bv]._oAnimWidth2;
		sy = oy;
	} else {
		bv = -(dObject[x][y] + 1);
		if(object[bv]._oPreFlag != pre)
			return;
		xx = object[bv]._ox - x;
		yy = object[bv]._oy - y;
		sx = (xx << 5) + ox - object[bv]._oAnimWidth2 - (yy << 5);
		sy = oy + (yy << 4) + (xx << 4);
		a6 = 0;
		dir = 8;
	}

	/// ASSERT: assert((unsigned char)bv < MAXOBJECTS);
	if((unsigned char)bv >= MAXOBJECTS)
		return;

	pCelBuff = object[bv]._oAnimData;
	if(!pCelBuff) {
		// TermMsg("Draw Object type %d: NULL Cel Buffer", object[bv]._otype);
		return;
	}

	nCel = object[bv]._oAnimFrame;
	pFrameTable = (DWORD *)pCelBuff;
	if(nCel < 1 || pFrameTable[0] > 50 || nCel > (int)pFrameTable[0]) {
		// TermMsg("Draw Object: frame %d of %d, object type==%d", nCel, pFrameTable[0], object[bv]._otype);
		return;
	}

	if(bv == pcursobj)
		CelDecodeClr(194, sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
	if(object[bv]._oLight) {
		CelDecodeHdrLightOnly(sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
	} else {
		/// ASSERT: assert(object[bv]._oAnimData);
		if(object[bv]._oAnimData) // BUGFIX: _oAnimData was already checked, this is redundant
			CelDrawHdrOnly(sx, sy, object[bv]._oAnimData, object[bv]._oAnimFrame, object[bv]._oAnimWidth, a6, dir);
	}
}
// 4B8CC1: using guessed type char pcursobj;

void __fastcall scrollrt_draw_e_flag(char *buffer, int x, int y, int a4, int a5, int sx, int sy)
{
	int v7;              // eax
	char *v8;            // esi
	int v9;              // ecx
	int v10;             // ebx
	int v11;             // edx
	int v12;             // eax
	int v13;             // eax
	int v14;             // ecx
	int v15;             // edi
	int v16;             // eax
	unsigned short *v17; // esi
	int v18;             // eax
	int v19;             // eax
	int v20;             // eax
	int v21;             // eax
	int v22;             // [esp+Ch] [ebp-14h]
	int xa;              // [esp+10h] [ebp-10h]
	unsigned char *a1;   // [esp+14h] [ebp-Ch]
	unsigned char *v25;  // [esp+18h] [ebp-8h]
	int i;               // [esp+1Ch] [ebp-4h]

	xa = x;
	v22 = level_piece_id;
	v7 = 112 * x + y;
	v8 = buffer;
	v9 = dPiece[0][v7];
	v10 = cel_transparency_active;
	v11 = dTransVal[0][v7];
	v12 = dung_map[0][v7];
	level_piece_id = v9;
	v13 = (unsigned char)TransList[v12];
	v14 = (unsigned char)nTransTable[v9];
	v15 = light_table_index;
	light_table_index = v11;
	a1 = (unsigned char *)v8;
	v25 = (unsigned char *)v8;
	cel_transparency_active = v14 & v13;
	v16 = gendung_get_dpiece_num_from_coord(xa, y);
	arch_draw_type = 1;
	v17 = (unsigned short *)((char *)dpiece_defs_map_1 + 32 * v16);
	v18 = *v17;
	level_cel_block = *v17;
	if (v18)
		drawUpperScreen(a1);
	v19 = v17[1];
	arch_draw_type = 2;
	level_cel_block = v19;
	if (v19)
		drawUpperScreen(a1 + 32);
	arch_draw_type = 0;
	for (i = 1; i < (dword_5A5594 >> 1) - 1; ++i) {
		v25 -= 24576;
		if (a4 >= i) {
			v20 = v17[2 * i];
			level_cel_block = v17[2 * i];
			if (v20)
				drawUpperScreen(v25);
			v21 = v17[2 * i + 1];
			level_cel_block = v17[2 * i + 1];
			if (v21)
				drawUpperScreen(v25 + 32);
		}
	}
	scrollrt_draw_dungeon((char *)a1, xa, y, a4, a5, sx, sy, 0);
	light_table_index = v15;
	cel_transparency_active = v10;
	level_piece_id = v22;
}
// 69BEF8: using guessed type int light_table_index;
// 69CF14: using guessed type int level_cel_block;
// 69CF20: using guessed type char arch_draw_type;
// 69CF94: using guessed type int cel_transparency_active;
// 69CF98: using guessed type int level_piece_id;

void __fastcall DrawZoom(int x, int y)
{
	int v2;         // edi
	int v3;         // ebx
	int v4;         // esi
	int v5;         // esi
	int v6;         // edi
	int v7;         // esi
	int v8;         // edi
	int v9;         // esi
	int v10;        // edi
	_WORD *v11;     // edi
	char *v12;      // esi
	char *v13;      // ebx
	signed int v14; // edx
	signed int v15; // ecx
	short v16;      // ax
	int v17;        // eax
	signed int v18; // [esp+Ch] [ebp-10h]
	signed int v19; // [esp+Ch] [ebp-10h]
	signed int a5;  // [esp+10h] [ebp-Ch]
	int a5a;        // [esp+10h] [ebp-Ch]
	signed int a6;  // [esp+14h] [ebp-8h]
	signed int a6a; // [esp+14h] [ebp-8h]
	int a6b;        // [esp+14h] [ebp-8h]
	int ya;         // [esp+18h] [ebp-4h]

	v2 = ScrollInfo._sxoff + 64;
	dword_5C2FF8 = 6;
	dword_5C2FFC = 6;
	v3 = x - 6;
	ya = y - 1;
	a5 = 6;
	v4 = ScrollInfo._syoff + 143;
	scr_pix_width = 384;
	scr_pix_height = 192;
	v18 = 3;
	switch (ScrollInfo._sdir) {
	case DIR_SW:
		goto LABEL_3;
	case DIR_W:
		a5 = 7;
	LABEL_3:
		v4 = ScrollInfo._syoff + 111;
		v3 = x - 7;
		ya = y - 2;
		goto LABEL_9;
	case DIR_NW:
		goto LABEL_7;
	case DIR_N:
		v18 = 4;
		goto LABEL_7;
	case DIR_NE:
		goto LABEL_9;
	case DIR_E:
		v18 = 4;
		goto LABEL_6;
	case DIR_SE:
	LABEL_6:
		v2 = ScrollInfo._sxoff;
		v3 = x - 7;
		ya = y;
	LABEL_7:
		a5 = 7;
		break;
	case DIR_OMNI:
		v2 = ScrollInfo._sxoff;
		v4 = ScrollInfo._syoff + 111;
		a5 = 7;
		v3 = x - 8;
	LABEL_9:
		v18 = 4;
		break;
	default:
		break;
	}
	a6 = 0;
	gpBufEnd = (unsigned char *)gpBuffer + screen_y_times_768[143];
	do {
		scrollrt_draw_upper(v3, ya++, v2, v4, a5, a6, 0);
		v5 = v4 + 16;
		v6 = v2 - 32;
		scrollrt_draw_upper(v3++, ya, v6, v5, a5, a6, 1);
		v2 = v6 + 32;
		v4 = v5 + 16;
		++a6;
	} while (a6 < 4);
	gpBufEnd = (unsigned char *)gpBuffer + screen_y_times_768[320];
	if (v18 > 0) {
		do {
			scrollrt_draw_lower(v3, ya++, v2, v4, a5, 0);
			v7 = v4 + 16;
			v8 = v2 - 32;
			scrollrt_draw_lower(v3++, ya, v8, v7, a5, 1);
			v2 = v8 + 32;
			v4 = v7 + 16;
			--v18;
		} while (v18);
	}
	arch_draw_type = 0;
	a6a = 0;
	do {
		scrollrt_draw_lower_2(v3, ya++, v2, v4, a5, a6a, 0);
		v9 = v4 + 16;
		v10 = v2 - 32;
		scrollrt_draw_lower_2(v3++, ya, v10, v9, a5, a6a, 1);
		v2 = v10 + 32;
		v4 = v9 + 16;
		++a6a;
	} while (a6a < 4);
	if (chrflag || questlog) {
		a6b = 392064;
		goto LABEL_23;
	}
	if (invflag || sbookflag) {
		a6b = 391744;
	LABEL_23:
		a5a = 245168;
		v19 = 160;
		goto LABEL_24;
	}
	a5a = 245088;
	a6b = 391744;
	v19 = 320;
LABEL_24:
	v11 = (_WORD *)((char *)gpBuffer + a6b);
	v12 = (char *)gpBuffer + a5a;
	v13 = (char *)&gpBuffer[a6b + 768];
	v14 = 176;
	do {
		v15 = v19;
		do {
			_LOBYTE(v16) = *v12++;
			_HIBYTE(v16) = v16;
			*v11 = v16;
			*(_WORD *)v13 = v16;
			++v11;
			v13 += 2;
			--v15;
		} while (v15);
		v12 += -v19 - 768;
		v17 = 2 * (v19 + 768);
		v13 -= v17;
		v11 = (_WORD *)((char *)v11 - v17);
		--v14;
	} while (v14);
}
// 4B8968: using guessed type int sbookflag;
// 5C2FF8: using guessed type int dword_5C2FF8;
// 5C2FFC: using guessed type int dword_5C2FFC;
// 5C3000: using guessed type int scr_pix_width;
// 5C3004: using guessed type int scr_pix_height;
// 69BD04: using guessed type int questlog;
// 69CF0C: using guessed type int gpBufEnd;
// 69CF20: using guessed type char arch_draw_type;

void __cdecl ClearScreenBuffer()
{
	int i; // edx

	j_lock_buf_priv(3);

	for (i = 0; i < 480; i++)
		memset(&gpBuffer[SCREENXY(0, i)], 0, 640);

	j_unlock_buf_priv(3);
}

#ifdef _DEBUG
void __cdecl ScrollView()
{
	BOOL scroll;

	if (pcurs >= CURSOR_FIRSTITEM)
		return;

	scroll = FALSE;

	if (MouseX < 20) {
		if (dmaxy - 1 <= ViewY || dminx >= ViewX) {
			if (dmaxy - 1 > ViewY) {
				ViewY++;
				scroll = TRUE;
			}
			if (dminx < ViewX) {
				ViewX--;
				scroll = TRUE;
			}
		} else {
			ViewY++;
			ViewX--;
			scroll = TRUE;
		}
	}
	if (MouseX > 640 - 20) {
		if (dmaxx - 1 <= ViewX || dminy >= ViewY) {
			if (dmaxx - 1 > ViewX) {
				ViewX++;
				scroll = TRUE;
			}
			if (dminy < ViewY) {
				ViewY--;
				scroll = TRUE;
			}
		} else {
			ViewY--;
			ViewX++;
			scroll = TRUE;
		}
	}
	if (MouseY < 20) {
		if (dminy >= ViewY || dminx >= ViewX) {
			if (dminy < ViewY) {
				ViewY--;
				scroll = TRUE;
			}
			if (dminx < ViewX) {
				ViewX--;
				scroll = TRUE;
			}
		} else {
			ViewX--;
			ViewY--;
			scroll = TRUE;
		}
	}
	if (MouseY > 480 - 20) {
		if (dmaxy - 1 <= ViewY || dmaxx - 1 <= ViewX) {
			if (dmaxy - 1 > ViewY) {
				ViewY++;
				scroll = TRUE;
			}
			if (dmaxx - 1 > ViewX) {
				ViewX++;
				scroll = TRUE;
			}
		} else {
			ViewX++;
			ViewY++;
			scroll = TRUE;
		}
	}

	if (scroll)
		ScrollInfo._sdir = SDIR_NONE;
}

void __cdecl EnableFrameCount()
{
	frameflag = frameflag == 0;
	framestart = GetTickCount();
}
#endif

void __fastcall scrollrt_draw_game_screen(BOOL draw_cursor)
{
	int dwHgt; // edi

	if (drawpanflag == 255) {
		drawpanflag = 0;
		dwHgt = 480;
	} else {
		dwHgt = 0;
	}
	if (draw_cursor) {
		j_lock_buf_priv(0);
		scrollrt_draw_cursor_item();
		j_unlock_buf_priv(0);
	}
	DrawMain(dwHgt, 0, 0, 0, 0, 0);
	if (draw_cursor) {
		j_lock_buf_priv(0);
		scrollrt_draw_cursor_back_buffer();
		j_unlock_buf_priv(0);
	}
}
// 52571C: using guessed type int drawpanflag;

void __cdecl scrollrt_draw_cursor_back_buffer()
{
	int v0;   // edx
	int v1;   // eax
	char *v2; // edi
	char *v3; // esi
	int v4;   // ecx
	int v5;   // ebx

	v0 = sgdwCursWdt;
	if (sgdwCursWdt) {
		v1 = sgdwCursY;
		v2 = sgSaveBack;
		v3 = (char *)&gpBuffer[SCREENXY(sgdwCursX, sgdwCursY)];
		v4 = sgdwCursHgt;
		if (sgdwCursHgt) {
			v5 = sgdwCursHgt;
			do {
				memcpy(v3, v2, v0);
				v0 = sgdwCursWdt;
				v2 += sgdwCursWdt;
				v3 += 768;
				--v5;
			} while (v5);
			v1 = sgdwCursY;
			v4 = sgdwCursHgt;
		}
		sgdwCursWdt = 0;
		sgdwCursXOld = sgdwCursX;
		sgdwCursYOld = v1;
		sgdwCursWdtOld = v0;
		sgdwCursHgtOld = v4;
	}
}

void __cdecl scrollrt_draw_cursor_item()
{
	int v0;            // ebp
	int v1;            // edx
	int v2;            // edi
	int v3;            // esi
	unsigned int v4;   // eax
	unsigned int v5;   // eax
	int v6;            // eax
	char *v7;          // ebx
	int v8;            // ebp
	int v9;            // edi
	int v10;           // esi
	signed int colour; // ebx
	int v12;           // edi
	int v13;           // edx
	char *v14;         // [esp+10h] [ebp-4h]

	if (pcurs > 0) {
		v0 = cursW;
		if (cursW) {
			v1 = cursH;
			if (cursH) {
				v2 = MouseX - 1;
				if (MouseX - 1 >= 0) {
					if (v2 > 639)
						return;
				} else {
					v2 = 0;
				}
				v3 = MouseY - 1;
				if (MouseY - 1 >= 0) {
					if (v3 > 479)
						return;
				} else {
					v3 = 0;
				}
				v4 = v2 + cursW + 1;
				if (v4 > 0x27F)
					v4 = 639;
				_LOBYTE(v4) = v4 | 3;
				sgdwCursY = v3;
				sgdwCursX = v2 & 0xFFFFFFFC;
				sgdwCursWdt = v4 - (v2 & 0xFFFFFFFC) + 1;
				v5 = cursH + v3 + 1;
				if (v5 > 0x1DF)
					v5 = 479;
				v14 = sgSaveBack;
				v6 = 1 - v3 + v5;
				sgdwCursHgt = v6;
				v7 = (char *)&gpBuffer[SCREENXY(v2 & 0xFFFFFFFC, v3)];
				if (v6) {
					v8 = v6;
					do {
						memcpy(v14, v7, sgdwCursWdt);
						v14 += sgdwCursWdt;
						v7 += 768;
						--v8;
					} while (v8);
					v0 = cursW;
					v1 = cursH;
				}
				v9 = v2 + 1;
				v10 = v3 + 1;
				gpBufEnd = (unsigned char *)gpBuffer + screen_y_times_768[640] - v0 - 2;
				if (pcurs < 12) {
					Cel2DrawHdrOnly(v9 + 64, v1 + v10 + 159, (BYTE *)pCursCels, pcurs, v0, 0, 8);
				} else {
					colour = ICOL_WHITE;
					if (plr[myplr].HoldItem._iMagical != ITEM_QUALITY_NORMAL)
						colour = ICOL_BLUE;
					if (!plr[myplr].HoldItem._iStatFlag)
						colour = ICOL_RED;
					v12 = v9 + 64;
					CelDrawHdrClrHL(colour, v12, v1 + v10 + 159, (BYTE *)pCursCels, pcurs, v0, 0, 8);
					v13 = cursH + v10 + 159;
					if (colour == ICOL_RED)
						Cel2DrawHdrLightRed(v12, v13, (BYTE *)pCursCels, pcurs, cursW, 0, 8, 1);
					else
						Cel2DrawHdrOnly(v12, v13, (BYTE *)pCursCels, pcurs, cursW, 0, 8);
				}
			}
		}
	}
}
// 4B8C9C: using guessed type int cursH;
// 69CF0C: using guessed type int gpBufEnd;

void __fastcall DrawMain(int dwHgt, int draw_desc, int draw_hp, int draw_mana, int draw_sbar, int draw_btn)
{
	signed int v6; // ebp
	DWORD v7;      // ebx
	int v8;        // esi
	int v9;        // eax
	signed int a4; // [esp+1Ch] [ebp-8h]

	a4 = dwHgt;
	if (gbActive && lpDDSPrimary) {
#ifdef __cplusplus
		if (lpDDSPrimary->IsLost() == DDERR_SURFACELOST) {
			if (lpDDSPrimary->Restore())
				return;
#else
		if (lpDDSPrimary->lpVtbl->IsLost(lpDDSPrimary) == DDERR_SURFACELOST) {
			if (lpDDSPrimary->lpVtbl->Restore(lpDDSPrimary))
				return;
#endif
			ResetPal();
			a4 = 480;
		}
		if (lpDDSBackBuf == NULL) {
			v6 = 1;
		LABEL_8:
			v7 = GetTickCount();
			while (1) {
				DDS_desc.dwSize = 108;
#ifdef __cplusplus
				v8 = lpDDSPrimary->Lock(NULL, &DDS_desc, DDLOCK_WRITEONLY | DDLOCK_WAIT, NULL);
#else
				v8 = lpDDSPrimary->lpVtbl->Lock(lpDDSPrimary, NULL, &DDS_desc, DDLOCK_WRITEONLY | DDLOCK_WAIT, NULL);
#endif
				if (!v8)
					break;
				if (v7 - GetTickCount() > 5000)
					goto LABEL_17;
				Sleep(1u);
				if (v8 == DDERR_SURFACELOST)
					return;
				if (v8 != DDERR_WASSTILLDRAWING && v8 != DDERR_SURFACEBUSY) {
					if (v6 && v8 == E_FAIL) {
						v6 = 0;
						dx_reinit();
						a4 = 480;
						goto LABEL_8;
					}
				LABEL_17:
					if (v8 != DDERR_SURFACELOST && v8 != DDERR_WASSTILLDRAWING && v8 != DDERR_SURFACEBUSY) {
						DDErrMsg(v8, 3707, "C:\\Src\\Diablo\\Source\\SCROLLRT.CPP");
						break;
					}
					return;
				}
			}
		}
		if (a4 > 0)
			DoBlitScreen(0, 0, 640, a4);
		if (a4 < 480) {
			if (draw_sbar)
				DoBlitScreen(204, 357, 232, 28);
			if (draw_desc)
				DoBlitScreen(176, 398, 288, 60);
			if (draw_mana) {
				DoBlitScreen(460, 352, 88, 72);
				DoBlitScreen(564, 416, 56, 56);
			}
			if (draw_hp)
				DoBlitScreen(96, 352, 88, 72);
			if (draw_btn) {
				DoBlitScreen(8, 357, 72, 119);
				DoBlitScreen(556, 357, 72, 48);
				if ((unsigned char)gbMaxPlayers > 1u) {
					DoBlitScreen(84, 443, 36, 32);
					DoBlitScreen(524, 443, 36, 32);
				}
			}
			if (sgdwCursWdtOld)
				DoBlitScreen(sgdwCursXOld, sgdwCursYOld, sgdwCursWdtOld, sgdwCursHgtOld);
			if (sgdwCursWdt)
				DoBlitScreen(sgdwCursX, sgdwCursY, sgdwCursWdt, sgdwCursHgt);
		}
		if (lpDDSBackBuf == NULL) {
#ifdef __cplusplus
			v9 = lpDDSPrimary->Unlock(NULL);
#else
			v9 = lpDDSPrimary->lpVtbl->Unlock(lpDDSPrimary, NULL);
#endif
			if (v9 != DDERR_SURFACELOST) {
				if (v9)
					DDErrMsg(v9, 3779, "C:\\Src\\Diablo\\Source\\SCROLLRT.CPP");
			}
		}
#ifdef _DEBUG
		DrawFPS();
#endif
	}
}
// 634980: using guessed type int gbActive;
// 679660: using guessed type char gbMaxPlayers;

#ifdef _DEBUG
void __cdecl DrawFPS()
{
	DWORD v0;        // eax
	int v1;          // esi
	char String[12]; // [esp+8h] [ebp-10h]
	HDC hdc;         // [esp+14h] [ebp-4h]

	if (frameflag && gbActive) {
		++frameend;
		v0 = GetTickCount();
		v1 = v0 - framestart;
		if (v0 - framestart >= 1000) {
			framestart = v0;
			framerate = 1000 * frameend / v1;
			frameend = 0;
		}
		if (framerate > 99)
			framerate = 99;
		wsprintf(String, "%2d", framerate);
#ifdef __cplusplus
		if (!lpDDSPrimary->GetDC(&hdc)) {
			TextOut(hdc, 0, 400, String, strlen(String));
			lpDDSPrimary->ReleaseDC(hdc);
		}
#else
		if (!lpDDSPrimary->lpVtbl->GetDC(lpDDSPrimary, &hdc)) {
			TextOut(hdc, 0, 400, String, strlen(String));
			lpDDSPrimary->lpVtbl->ReleaseDC(lpDDSPrimary, hdc);
		}
#endif
	}
}
#endif

void __fastcall DoBlitScreen(int dwX, int dwY, int dwWdt, int dwHgt)
{
	int v4;             // esi
	int v5;             // edi
	int v6;             // ecx
	char *v7;           // esi
	char *v8;           // edi
	int v9;             // edx
	RECT Rect;          // [esp+Ch] [ebp-20h]
	int v14;            // [esp+1Ch] [ebp-10h]
	LONG v15;           // [esp+20h] [ebp-Ch]
	int v16;            // [esp+24h] [ebp-8h]
	LONG v17;           // [esp+28h] [ebp-4h]
	HRESULT error_code; // [esp+34h] [ebp+8h]
	int error_codea;    // [esp+34h] [ebp+8h]
	int a4;             // [esp+38h] [ebp+Ch]

	v4 = dwY;
	v5 = dwX;
	if (lpDDSBackBuf != NULL) {
		Rect.left = dwX + 64;
		Rect.right = dwX + 64 + dwWdt - 1;
		Rect.top = dwY + 160;
		Rect.bottom = dwY + 160 + dwHgt - 1;
		a4 = GetTickCount();
		while (1) {
#ifdef __cplusplus
			error_code = lpDDSPrimary->BltFast(v5, v4, lpDDSBackBuf, &Rect, DDBLTFAST_WAIT);
#else
			error_code = lpDDSPrimary->lpVtbl->BltFast(lpDDSPrimary, v5, v4, lpDDSBackBuf, &Rect, DDBLTFAST_WAIT);
#endif
			if (!error_code)
				break;
			if (a4 - GetTickCount() <= 5000) {
				Sleep(1u);
				if (error_code == DDERR_SURFACELOST)
					return;
				if (error_code == DDERR_WASSTILLDRAWING || error_code == DDERR_SURFACEBUSY)
					continue;
			}
			if (error_code != DDERR_SURFACELOST && error_code != DDERR_WASSTILLDRAWING && error_code != DDERR_SURFACEBUSY)
				DDErrMsg(error_code, 3596, "C:\\Src\\Diablo\\Source\\SCROLLRT.CPP");
			return;
		}
	} else {
		v14 = 768 * dwY + dwX + 0x1E040;
		v17 = DDS_desc.lPitch - dwWdt;
		v15 = dwX + dwY * DDS_desc.lPitch;
		v6 = 768 - dwWdt;
		error_codea = (unsigned int)dwWdt >> 2;
		v16 = v6;
		j_lock_buf_priv(6);
		v7 = (char *)gpBuffer + v14;
		v8 = (char *)DDS_desc.lpSurface + v15;
		v9 = dwHgt;
		do {
			qmemcpy(v8, v7, 4 * error_codea);
			v7 += 4 * error_codea + v16;
			v8 += 4 * error_codea + v17;
			--v9;
		} while (v9);
		j_unlock_buf_priv(6);
	}
}

void __cdecl DrawAndBlit()
{
	BOOLEAN ddsdesc; // ebp
	BOOLEAN ctrlPan; // esi
	int dwHgt;       // edi

	if (gbRunGame) {
		if (drawpanflag == 255) {
			drawhpflag = TRUE;
			drawmanaflag = TRUE;
			drawbtnflag = 1;
			drawsbarflag = 1;
			ddsdesc = 0;
			ctrlPan = 1;
			dwHgt = 480;
		} else {
			if (drawpanflag != 1)
				return;
			ddsdesc = 1;
			ctrlPan = 0;
			dwHgt = 352;
		}
		drawpanflag = 0;
		j_lock_buf_priv(0);
		if (leveltype)
			DrawView(ViewX, ViewY);
		else
			T_DrawView(ViewX, ViewY);
		if (ctrlPan)
			ClearCtrlPan();
		if (drawhpflag)
			UpdateLifeFlask();
		if (drawmanaflag)
			UpdateManaFlask();
		if (drawbtnflag)
			DrawCtrlPan();
		if (drawsbarflag)
			DrawInvBelt();
		if (talkflag) {
			DrawTalkPan();
			dwHgt = 480;
		}
		scrollrt_draw_cursor_item();
		j_unlock_buf_priv(0);
		DrawMain(dwHgt, ddsdesc, drawhpflag, drawmanaflag, drawsbarflag, drawbtnflag);
		j_lock_buf_priv(0);
		scrollrt_draw_cursor_back_buffer();
		j_unlock_buf_priv(0);
		drawhpflag = FALSE;
		drawmanaflag = FALSE;
		drawbtnflag = 0;
		drawsbarflag = 0;
	}
}
// 4B8960: using guessed type int talkflag;
// 52571C: using guessed type int drawpanflag;