truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@1349: #include "spritecache.h"
tron@1309: #include "strings.h"
truelight@0: #include "gfx.h"
truelight@0: #include "table/palettes.h"
truelight@0: #include "hal.h"
truelight@0: 
tron@1991: Colour _cur_palette[256];
tron@1991: 
tron@1357: static void GfxMainBlitter(const Sprite *sprite, int x, int y, int mode);
truelight@0: 
truelight@0: static int _stringwidth_out;
truelight@0: static byte _cursor_backup[64*64];
truelight@0: static Rect _invalid_rect;
tron@1357: static const byte *_color_remap_ptr;
truelight@0: static byte _string_colorremap[3];
truelight@0: 
truelight@0: #define DIRTY_BYTES_PER_LINE (MAX_SCREEN_WIDTH/64)
truelight@0: static byte _dirty_blocks[DIRTY_BYTES_PER_LINE * MAX_SCREEN_HEIGHT / 8];
truelight@0: 
truelight@0: 
truelight@543: 
truelight@543: void memcpy_pitch(void *d, void *s, int w, int h, int spitch, int dpitch)
truelight@0: {
truelight@0: 	byte *dp = (byte*)d;
truelight@0: 	byte *sp = (byte*)s;
truelight@0: 
truelight@0: 	assert(h >= 0);
tron@1056: 	for (; h != 0; --h) {
truelight@0: 		memcpy(dp, sp, w);
truelight@0: 		dp += dpitch;
truelight@0: 		sp += spitch;
tron@1056: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void GfxScroll(int left, int top, int width, int height, int xo, int yo) {
truelight@0: 	byte *src, *dst;
truelight@0: 	int p;
truelight@0: 	int ht;
truelight@0: 
truelight@0: 	if (xo == 0 && yo == 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (_cursor.visible)
truelight@0: 		UndrawMouseCursor();
truelight@543: 	UndrawTextMessage();
truelight@0: 
truelight@0: 	p = _screen.pitch;
truelight@0: 
tron@375: 	if (yo > 0) {
truelight@0: 		// Calculate pointers
tron@375: 		dst = _screen.dst_ptr + (top + height - 1) * p + left;
truelight@0: 		src = dst - yo * p;
truelight@0: 
truelight@0: 		// Decrease height and increase top
truelight@0: 		top += yo;
truelight@0: 		height -= yo;
truelight@0: 		assert(height > 0);
truelight@0: 
truelight@0: 		// Adjust left & width
truelight@0: 		if (xo >= 0) {
tron@375: 			dst += xo;
truelight@0: 			left += xo;
truelight@0: 			width -= xo;
truelight@0: 		} else {
tron@375: 			src -= xo;
truelight@0: 			width += xo;
truelight@0: 		}
truelight@0: 
tron@375: 		for (ht = height; ht > 0; --ht) {
tron@375: 			memcpy(dst, src, width);
truelight@0: 			src -= p;
truelight@0: 			dst -= p;
tron@375: 		}
truelight@0: 	} else {
tron@375: 		// Calculate pointers
truelight@0: 		dst = _screen.dst_ptr + top * p + left;
truelight@0: 		src = dst - yo * p;
truelight@0: 
truelight@0: 		// Decrese height. (yo is <=0).
truelight@0: 		height += yo;
truelight@0: 		assert(height > 0);
truelight@0: 
truelight@0: 		// Adjust left & width
truelight@0: 		if (xo >= 0) {
truelight@0: 			dst += xo;
truelight@0: 			left += xo;
truelight@0: 			width -= xo;
truelight@0: 		} else {
truelight@0: 			src -= xo;
truelight@0: 			width += xo;
truelight@0: 		}
truelight@0: 
tron@375: 		// the y-displacement may be 0 therefore we have to use memmove,
tron@375: 		// because source and destination may overlap
tron@375: 		for (ht = height; ht > 0; --ht) {
tron@375: 			memmove(dst, src, width);
truelight@0: 			src += p;
truelight@0: 			dst += p;
tron@375: 		}
truelight@0: 	}
tron@375: 	// This part of the screen is now dirty.
tron@375: 	_video_driver->make_dirty(left, top, width, height);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void GfxFillRect(int left, int top, int right, int bottom, int color) {
truelight@0: 	DrawPixelInfo *dpi = _cur_dpi;
tron@1357: 	byte *dst;
tron@332: 	const int otop = top;
tron@332: 	const int oleft = left;
truelight@0: 
truelight@0: 	if (dpi->zoom != 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (left > right || top > bottom)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (right < dpi->left || left >= dpi->left + dpi->width)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (bottom < dpi->top || top >= dpi->top + dpi->height)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if ( (left -= dpi->left) < 0) left = 0;
truelight@0: 	right = right - dpi->left + 1;
truelight@0: 	if (right > dpi->width) right=dpi->width;
truelight@0: 	right -= left;
truelight@0: 	assert(right > 0);
truelight@0: 
truelight@0: 	if ( (top -= dpi->top) < 0) top = 0;
truelight@0: 	bottom = bottom - dpi->top + 1;
truelight@0: 	if (bottom > dpi->height) bottom=dpi->height;
truelight@0: 	bottom -= top;
truelight@0: 	assert(bottom > 0);
truelight@0: 
truelight@0: 	dst = dpi->dst_ptr + top * dpi->pitch + left;
truelight@0: 
truelight@0: 	if (!(color & 0x8000)) {
truelight@0: 		if (!(color & 0x4000)) {
truelight@0: 			do {
truelight@0: 				memset(dst, color, right);
truelight@0: 				dst += dpi->pitch;
truelight@0: 			} while (--bottom);
truelight@0: 		} else {
truelight@0: 			/* use colortable mode */
tron@1357: 			const byte* ctab = GetNonSprite(color & 0x3FFF) + 1;
tron@1357: 
truelight@0: 			do {
truelight@0: 				int i;
truelight@0: 				for(i=0; i!=right;i++)
truelight@0: 					dst[i] = ctab[dst[i]];
truelight@0: 				dst += dpi->pitch;
truelight@0: 			} while (--bottom);
truelight@0: 		}
truelight@0: 	} else {
tron@332: 		byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
truelight@0: 		do {
truelight@0: 			int i;
tron@332: 			for (i = (bo ^= 1); i < right; i += 2)
tron@332: 				dst[i] = (byte)color;
truelight@0: 			dst += dpi->pitch;
tron@332: 		} while (--bottom > 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@410: static void GfxSetPixel(int x, int y, int color)
truelight@0: {
truelight@0: 	DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 	if ((x-=dpi->left) < 0 || x>=dpi->width || (y-=dpi->top)<0 || y>=dpi->height)
truelight@0: 		return;
truelight@0: 	dpi->dst_ptr[y*dpi->pitch+x] = color;
truelight@0: }
truelight@0: 
truelight@0: void GfxDrawLine(int x, int y, int x2, int y2, int color)
truelight@0: {
truelight@0: 	int dy;
truelight@0: 	int dx;
truelight@0: 	int stepx, stepy;
truelight@0: 	int frac;
truelight@0: 
truelight@0: 	// Check clipping first
truelight@0: 	{
truelight@0: 		DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 		int t;
truelight@0: 
truelight@0: 		if (x < dpi->left && x2 < dpi->left)
truelight@0: 			return;
truelight@0: 
truelight@0: 		if (y < dpi->top && y2 < dpi->top)
truelight@0: 			return;
truelight@0: 
truelight@0: 		t = dpi->left + dpi->width;
truelight@0: 		if (x > t && x2 > t)
truelight@0: 			return;
truelight@0: 
truelight@0: 		t = dpi->top + dpi->height;
truelight@0: 		if (y > t && y2 > t)
truelight@0: 			return;
truelight@0: 	}
truelight@0: 
truelight@0: 	dy = (y2 - y) * 2;
truelight@0: 	if (dy < 0) { dy = -dy;  stepy = -1; } else { stepy = 1; }
truelight@0: 
truelight@0: 	dx = (x2 - x) * 2;
truelight@0: 	if (dx < 0) { dx = -dx;  stepx = -1; } else { stepx = 1; }
truelight@0: 
truelight@0: 	GfxSetPixel(x, y, color);
truelight@0: 	if (dx > dy) {
truelight@0: 		frac = dy - (dx >> 1);
truelight@0: 		while (x != x2) {
truelight@0: 			if (frac >= 0) {
truelight@0: 				y += stepy;
truelight@0: 				frac -= dx;
truelight@0: 			}
truelight@0: 			x += stepx;
truelight@0: 			frac += dy;
truelight@0: 			GfxSetPixel(x, y, color);
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		frac = dx - (dy >> 1);
truelight@0: 		while (y != y2) {
truelight@0: 			if (frac >= 0) {
truelight@0: 				x += stepx;
truelight@0: 				frac -= dy;
truelight@0: 			}
truelight@0: 			y += stepy;
truelight@0: 			frac += dx;
truelight@0: 			GfxSetPixel(x, y, color);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: // ASSIGNMENT OF ASCII LETTERS < 32
truelight@0: // 0 - end of string
truelight@0: // 1 - SETX <BYTE>
truelight@0: // 2 - SETXY <BYTE> <BYTE>
truelight@193: // 3-7 -
truelight@0: // 8 - TINYFONT
truelight@0: // 9 - BIGFONT
truelight@0: // 10 - newline
truelight@193: // 11-14 -
truelight@0: // 15-31 - 17 colors
truelight@0: 
truelight@0: 
truelight@0: enum {
truelight@0: 	ASCII_SETX = 1,
truelight@0: 	ASCII_SETXY = 2,
truelight@0: 
truelight@0: 	ASCII_TINYFONT = 8,
truelight@0: 	ASCII_BIGFONT = 9,
truelight@0: 	ASCII_NL = 10,
truelight@0: 
truelight@0: 	ASCII_COLORSTART = 15,
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: /* returns right coordinate */
truelight@543: int DrawString(int x, int y, uint16 str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
tron@1336: 
tron@1336: 	GetString(buffer, str);
tron@1336: 	return DoDrawString(buffer, x, y, color);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@543: void DrawStringRightAligned(int x, int y, uint16 str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
tron@1336: 
tron@1336: 	GetString(buffer, str);
tron@1336: 	DoDrawString(buffer, x - GetStringWidth(buffer), y, color);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@543: int DrawStringCentered(int x, int y, uint16 str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
truelight@0: 	int w;
truelight@0: 
tron@1336: 	GetString(buffer, str);
truelight@0: 
tron@1336: 	w = GetStringWidth(buffer);
tron@1336: 	DoDrawString(buffer, x - w / 2, y, color);
truelight@0: 
truelight@0: 	return w;
truelight@0: }
truelight@0: 
truelight@543: void DrawStringCenterUnderline(int x, int y, uint16 str, uint16 color)
truelight@0: {
truelight@0: 	int w = DrawStringCentered(x, y, str, color);
truelight@0: 	GfxFillRect(x-(w>>1), y+10, x-(w>>1)+w, y+10, _string_colorremap[1]);
truelight@0: }
truelight@0: 
tron@1323: static uint32 FormatStringLinebreaks(char *str, int maxw)
tron@1095: {
truelight@0: 	int num = 0;
truelight@0: 	int base = _stringwidth_base;
truelight@0: 	int w;
tron@1323: 	char *last_space;
truelight@0: 	byte c;
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		w = 0;
truelight@0: 		last_space = NULL;
truelight@0: 
truelight@0: 		for(;;) {
truelight@0: 			c = *str++;
Darkvater@1390: 			if (c == ASCII_LETTERSTART) last_space = str;
truelight@0: 
truelight@0: 			if (c >= ASCII_LETTERSTART) {
Darkvater@1390: 				w += GetCharacterWidth(base + (byte)c);
truelight@0: 				if (w > maxw) {
truelight@0: 					str = last_space;
truelight@0: 					if (str == NULL)
truelight@0: 						return num + (base << 16);
truelight@0: 					break;
truelight@0: 				}
truelight@0: 			} else {
truelight@0: 				if (c == 0) return num + (base << 16);
truelight@0: 				if (c == ASCII_NL) break;
truelight@0: 
truelight@0: 				if (c == ASCII_SETX) str++;
truelight@0: 				else if (c == ASCII_SETXY) str += 2;
truelight@0: 				else if (c == ASCII_TINYFONT) base = 224;
truelight@0: 				else if (c == ASCII_BIGFONT) base = 448;
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		num++;
truelight@0: 		str[-1] = 0;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void DrawStringMultiCenter(int x, int y, uint16 str, int maxw)
truelight@0: {
tron@1336: 	char buffer[512];
truelight@0: 	uint32 tmp;
truelight@0: 	int num, w, mt, t;
tron@1323: 	const char *src;
truelight@0: 	byte c;
truelight@0: 
tron@1336: 	GetString(buffer, str);
truelight@0: 
tron@1336: 	tmp = FormatStringLinebreaks(buffer, maxw);
truelight@0: 	num = (uint16)tmp;
truelight@0: 	t = tmp >> 16;
truelight@0: 
truelight@0: 	mt = 10;
truelight@0: 	if (t != 0) {
truelight@0: 		mt = 6;
truelight@0: 		if (t != 244) mt = 18;
truelight@0: 	}
truelight@0: 
truelight@0: 	y -= (mt >> 1) * num;
truelight@0: 
tron@1336: 	src = buffer;
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		w = GetStringWidth(src);
truelight@0: 		DoDrawString(src, x - (w>>1), y, 0xFE);
truelight@0: 		_stringwidth_base = _stringwidth_out;
truelight@0: 
truelight@0: 		for(;;) {
truelight@0: 			c = *src++;
truelight@0: 			if (c == 0) {
truelight@0: 				y += mt;
truelight@0: 				if (--num < 0) {
truelight@0: 					_stringwidth_base = 0;
truelight@0: 					return;
truelight@0: 				}
truelight@0: 				break;
truelight@0: 			} else if (c == ASCII_SETX) {
truelight@0: 				src++;
truelight@0: 			} else if (c == ASCII_SETXY) {
truelight@0: 				src+=2;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DrawStringMultiLine(int x, int y, uint16 str, int maxw) {
tron@1336: 	char buffer[512];
truelight@0: 	uint32 tmp;
truelight@0: 	int num, w, mt, t;
tron@1323: 	const char *src;
truelight@0: 	byte c;
truelight@0: 
tron@1336: 	GetString(buffer, str);
truelight@0: 
tron@1336: 	tmp = FormatStringLinebreaks(buffer, maxw);
truelight@0: 	num = (uint16)tmp;
truelight@0: 	t = tmp >> 16;
truelight@0: 	mt = 10;
truelight@0: 	if (t != 0) {
truelight@0: 		mt = 6;
truelight@0: 		if (t != 244) mt = 18;
truelight@0: 	}
truelight@0: 
tron@1336: 	src = buffer;
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		w = GetStringWidth(src);
truelight@0: 		DoDrawString(src, x, y, 0xFE);
truelight@0: 		_stringwidth_base = _stringwidth_out;
truelight@0: 
truelight@0: 		for(;;) {
truelight@0: 			c = *src++;
truelight@0: 			if (c == 0) {
truelight@0: 				y += mt;
truelight@0: 				if (--num < 0) {
truelight@0: 					_stringwidth_base = 0;
truelight@0: 					return;
truelight@0: 				}
truelight@0: 				break;
truelight@0: 			} else if (c == ASCII_SETX) {
truelight@0: 				src++;
truelight@0: 			} else if (c == ASCII_SETXY) {
truelight@0: 				src+=2;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1323: int GetStringWidth(const char *str)
tron@1323: {
Darkvater@1390: 	int w = 0;
truelight@0: 	byte c;
truelight@0: 	int base = _stringwidth_base;
Darkvater@1390: 	for (c = *str; c != '\0'; c = *(++str)) {
truelight@0: 		if (c >= ASCII_LETTERSTART) {
Darkvater@1390: 			w += GetCharacterWidth(base + c);
truelight@0: 		} else {
truelight@0: 			if (c == ASCII_SETX) str++;
truelight@0: 			else if (c == ASCII_SETXY) str += 2;
truelight@0: 			else if (c == ASCII_TINYFONT) base = 224;
truelight@0: 			else if (c == ASCII_BIGFONT) base = 448;
truelight@0: 		}
truelight@0: 	}
Darkvater@1390: 	return w;
truelight@0: }
truelight@0: 
truelight@0: void DrawFrameRect(int left, int top, int right, int bottom, int ctab, int flags) {
truelight@0: 	byte color_2 = _color_list[ctab].window_color_1a;
truelight@0: 	byte color_interior = _color_list[ctab].window_color_bga;
truelight@0: 	byte color_3 = _color_list[ctab].window_color_bgb;
truelight@0: 	byte color = _color_list[ctab].window_color_2;
truelight@0: 
truelight@0: 	if (!(flags & 0x8))	{
truelight@0: 		if (!(flags & 0x20)) {
truelight@0: 			GfxFillRect(left, top, left, bottom-1, color);
truelight@0: 			GfxFillRect(left+1, top, right-1, top, color);
truelight@0: 			GfxFillRect(right, top, right, bottom-1, color_2);
truelight@0: 			GfxFillRect(left, bottom, right, bottom, color_2);
truelight@0: 			if (!(flags & 0x10)) {
truelight@0: 				GfxFillRect(left+1, top+1, right-1, bottom-1, color_interior);
truelight@0: 			}
truelight@0: 		} else {
truelight@0: 			GfxFillRect(left, top, left, bottom, color_2);
truelight@0: 			GfxFillRect(left+1, top, right, top, color_2);
truelight@0: 			GfxFillRect(right, top+1, right, bottom-1, color);
truelight@0: 			GfxFillRect(left+1, bottom, right, bottom, color);
truelight@0: 			if (!(flags & 0x10)) {
truelight@0: 				GfxFillRect(left+1, top+1, right-1, bottom-1,
truelight@0: 					flags&0x40 ? color_interior : color_3);
truelight@0: 			}
truelight@0: 		}
truelight@0: 	} else if (flags & 0x1) {
truelight@0: 		// transparency
truelight@0: 		GfxFillRect(left, top, right, bottom, 0x4322);
truelight@0: 	} else {
truelight@0: 		GfxFillRect(left, top, right, bottom, color_interior);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1323: int DoDrawString(const char *string, int x, int y, uint16 real_color)
tron@1323: {
truelight@0: 	DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 	int base = _stringwidth_base;
dominik@509: 	byte c;
truelight@543: 	byte color;
truelight@0: 	int xo = x, yo = y;
truelight@0: 
truelight@543: 	color = real_color & 0xFF;
truelight@543: 
truelight@0: 	if (color != 0xFE) {
truelight@0: 		if (x >= dpi->left + dpi->width ||
truelight@0: 				x + _screen.width*2 <= dpi->left ||
truelight@0: 				y >= dpi->top + dpi->height ||
truelight@0: 				y + _screen.height <= dpi->top)
truelight@0: 					return x;
truelight@0: 
truelight@0: 		if (color != 0xFF) {
truelight@0: switch_color:;
dominik@657: 			if (real_color & IS_PALETTE_COLOR) {
truelight@543: 				_string_colorremap[1] = color;
truelight@543: 				_string_colorremap[2] = 215;
truelight@543: 			} else {
truelight@543: 				_string_colorremap[1] = _string_colormap[color].text;
truelight@543: 				_string_colorremap[2] = _string_colormap[color].shadow;
truelight@543: 			}
truelight@0: 			_color_remap_ptr = _string_colorremap;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: check_bounds:
truelight@0: 	if (y + 19 <= dpi->top || dpi->top + dpi->height <= y) {
truelight@0: skip_char:;
truelight@0: 		for(;;) {
truelight@0: 			c = *string++;
truelight@193: 			if (c < ASCII_LETTERSTART) goto skip_cont;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		c = *string++;
truelight@0: skip_cont:;
truelight@0: 		if (c == 0) {
truelight@0: 			_stringwidth_out = base;
truelight@0: 			return x;
truelight@0: 		}
truelight@0: 		if (c >= ASCII_LETTERSTART) {
truelight@0: 			if (x >= dpi->left + dpi->width) goto skip_char;
truelight@0: 			if (x + 26 >= dpi->left) {
tron@1350: 				GfxMainBlitter(GetSprite(base + 2 + c - ASCII_LETTERSTART), x, y, 1);
truelight@0: 			}
Darkvater@1390: 			x += GetCharacterWidth(base + c);
truelight@0: 		} else if (c == ASCII_NL) { // newline = {}
truelight@0: 			x = xo;
truelight@0: 			y += 10;
truelight@0: 			if (base != 0) {
truelight@0: 				y -= 4;
truelight@0: 				if (base != 0xE0)
truelight@0: 					y += 12;
truelight@0: 			}
truelight@0: 			goto check_bounds;
truelight@0: 		} else if (c >= ASCII_COLORSTART) { // change color?
truelight@0: 			color = (byte)(c - ASCII_COLORSTART);
truelight@0: 			goto switch_color;
truelight@0: 		} else if (c == ASCII_SETX) { // {SETX}
tron@1323: 			x = xo + (byte)*string++;
truelight@0: 		} else if (c == ASCII_SETXY) {// {SETXY}
tron@1323: 			x = xo + (byte)*string++;
tron@1323: 			y = yo + (byte)*string++;
truelight@0: 		} else if (c == ASCII_TINYFONT) { // {TINYFONT}
truelight@0: 			base = 0xE0;
truelight@0: 		} else if (c == ASCII_BIGFONT) { // {BIGFONT}
truelight@0: 			base = 0x1C0;
truelight@0: 		} else {
truelight@0: 			printf("Unknown string command character %d\n", c);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DrawSprite(uint32 img, int x, int y) {
truelight@0: 	if (img & 0x8000) {
tron@1350: 		_color_remap_ptr = GetNonSprite(img >> 16) + 1;
tron@1350: 		GfxMainBlitter(GetSprite(img & 0x3FFF), x, y, 1);
truelight@0: 	} else if (img & 0x4000) {
tron@1350: 		_color_remap_ptr = GetNonSprite(img >> 16) + 1;
tron@1350: 		GfxMainBlitter(GetSprite(img & 0x3FFF), x, y, 2);
truelight@0: 	} else {
tron@1350: 		GfxMainBlitter(GetSprite(img & 0x3FFF), x, y, 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: typedef struct BlitterParams {
truelight@0: 	int start_x, start_y;
tron@1357: 	const byte* sprite;
tron@1357: 	const byte* sprite_org;
truelight@0: 	byte *dst;
truelight@0: 	int mode;
truelight@0: 	int width, height;
truelight@0: 	int width_org, height_org;
truelight@0: 	int pitch;
truelight@0: 	byte info;
truelight@0: } BlitterParams;
truelight@0: 
truelight@0: static void GfxBlitTileZoomIn(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte* src_o = bp->sprite;
tron@1357: 	const byte* src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@1357: 	byte *dst;
tron@1357: 	const byte* ctab;
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@193: 
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
truelight@0: 
tron@1997: 				for (; num >= 4; num -=4) {
truelight@0: 					dst[3] = ctab[src[3]];
truelight@0: 					dst[2] = ctab[src[2]];
truelight@0: 					dst[1] = ctab[src[1]];
truelight@0: 					dst[0] = ctab[src[0]];
truelight@0: 					dst += 4;
truelight@0: 					src += 4;
truelight@0: 				}
tron@1997: 				for (; num != 0; num--) *dst++ = ctab[*src++];
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 			bp->dst += bp->pitch;
truelight@0: 		} while (--bp->height);
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip;
truelight@0: 				} else {
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
tron@1997: 				for (; num != 0; num--) {
truelight@0: 					*dst = ctab[*dst];
truelight@0: 					dst++;
truelight@0: 				}
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 			bp->dst += bp->pitch;
truelight@0: 		} while (--bp->height);
truelight@0: 
truelight@0: 	} else {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: #if defined(_WIN32)
truelight@0: 				if (num & 1) *dst++ = *src++;
truelight@0: 				if (num & 2) { *(uint16*)dst = *(uint16*)src; dst += 2; src += 2; }
truelight@0: 				if (num >>= 2) {
truelight@0: 					do {
truelight@0: 						*(uint32*)dst = *(uint32*)src;
truelight@0: 						dst += 4;
truelight@0: 						src += 4;
truelight@0: 					} while (--num);
truelight@0: 				}
truelight@0: #else
truelight@0: 				memcpy(dst, src, num);
truelight@0: #endif
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 			bp->dst += bp->pitch;
truelight@0: 		} while (--bp->height);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomInUncomp(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte *src = bp->sprite;
truelight@0: 	byte *dst = bp->dst;
truelight@0: 	int height = bp->height;
truelight@0: 	int width = bp->width;
truelight@0: 	int i;
truelight@0: 
truelight@0: 	assert(height > 0);
truelight@0: 	assert(width > 0);
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
truelight@0: 
truelight@0: 			do {
tron@1996: 				for (i = 0; i != width; i++) {
tron@1996: 					byte b = ctab[src[i]];
tron@1996: 
tron@1996: 					if (b != 0) dst[i] = b;
truelight@0: 				}
truelight@0: 				src += bp->width_org;
truelight@0: 				dst += bp->pitch;
truelight@0: 			} while (--height);
truelight@0: 		}
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
truelight@0: 			do {
tron@1996: 				for (i = 0; i != width; i++)
tron@1996: 					if (src[i] != 0) dst[i] = ctab[dst[i]];
truelight@0: 				src += bp->width_org;
truelight@0: 				dst += bp->pitch;
truelight@0: 			} while (--height);
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		if (!(bp->info & 1)) {
truelight@0: 			do {
truelight@0: 				memcpy(dst, src, width);
truelight@0: 				src += bp->width_org;
truelight@0: 				dst += bp->pitch;
truelight@0: 			} while (--height);
truelight@0: 		} else {
truelight@0: 			do {
truelight@0: 				int n = width;
tron@2004: 
tron@2004: 				for (; n >= 4; n -= 4) {
tron@1996: 					if (src[0] != 0) dst[0] = src[0];
tron@1996: 					if (src[1] != 0) dst[1] = src[1];
tron@1996: 					if (src[2] != 0) dst[2] = src[2];
tron@1996: 					if (src[3] != 0) dst[3] = src[3];
truelight@0: 
truelight@0: 					dst += 4;
truelight@0: 					src += 4;
truelight@0: 				}
truelight@0: 
tron@2004: 				for (; n != 0; n--) {
tron@1996: 					if (src[0] != 0) dst[0] = src[0];
truelight@0: 					src++;
truelight@0: 					dst++;
truelight@0: 				}
truelight@0: 
truelight@0: 				src += bp->width_org - width;
truelight@0: 				dst += bp->pitch - width;
truelight@0: 			} while (--height);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitTileZoomMedium(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte* src_o = bp->sprite;
tron@1357: 	const byte* src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@1357: 	byte *dst;
tron@1357: 	const byte* ctab;
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
truelight@0: 					src++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 1;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
truelight@0: 				num = (num + 1) >> 1;
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = ctab[*src];
truelight@0: 						dst++;
tron@1997: 						src += 2;
truelight@0: 				}
truelight@0: 			} while (!(done & 0x80));
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
truelight@0: 		} while (--bp->height);
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 1;
truelight@0: 				} else {
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
truelight@0: 				num = (num + 1) >> 1;
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = ctab[*dst];
truelight@0: 						dst++;
truelight@0: 				}
truelight@0: 			} while (!(done & 0x80));
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
truelight@0: 		} while (--bp->height);
truelight@0: 
truelight@0: 	} else {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		do {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
truelight@0: 					src++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 1;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
truelight@0: 					if (num <= 0)
truelight@0: 						continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				num = (num + 1) >> 1;
truelight@0: 
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = *src;
truelight@0: 						dst++;
tron@1997: 						src += 2;
truelight@0: 				}
truelight@0: 
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 		} while (--bp->height);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomMediumUncomp(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte *src = bp->sprite;
truelight@0: 	byte *dst = bp->dst;
truelight@0: 	int height = bp->height;
truelight@0: 	int width = bp->width;
truelight@0: 	int i;
truelight@0: 
truelight@0: 	assert(height > 0);
truelight@0: 	assert(width > 0);
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@1996: 			for (height >>= 1; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 1; i++) {
tron@1996: 					byte b = ctab[src[i * 2]];
tron@1996: 
tron@1996: 					if (b != 0) dst[i] = b;
tron@1996: 				}
truelight@0: 				src += bp->width_org * 2;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@1996: 			for (height >>= 1; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 1; i++)
tron@1996: 					if (src[i * 2] != 0) dst[i] = ctab[dst[i]];
truelight@0: 				src += bp->width_org * 2;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		if (bp->info & 1) {
tron@1996: 			for (height >>= 1; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 1; i++)
tron@1996: 					if (src[i * 2] != 0) dst[i] = src[i * 2];
truelight@0: 				src += bp->width_org * 2;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitTileZoomOut(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte* src_o = bp->sprite;
tron@1357: 	const byte* src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@1357: 	byte *dst;
tron@1357: 	const byte* ctab;
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		for(;;) {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
truelight@0: 					src++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if (skip & 2) {
tron@2004: 					skip += 2;
tron@2004: 					src += 2;
tron@2004: 					num -= 2;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 2;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
truelight@0: 				num = (num + 3) >> 2;
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = ctab[*src];
truelight@0: 						dst++;
tron@1997: 						src += 4;
truelight@0: 				}
truelight@0: 			} while (!(done & 0x80));
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 		}
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		for(;;) {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if (skip & 2) {
tron@2004: 					skip += 2;
tron@2004: 					num -= 2;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 2;
truelight@0: 				} else {
truelight@0: 					num += skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				ctab = _color_remap_ptr;
truelight@0: 				num = (num + 3) >> 2;
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = ctab[*dst];
truelight@0: 						dst++;
truelight@0: 				}
truelight@0: 
truelight@0: 			} while (!(done & 0x80));
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		src_o += READ_LE_UINT16(src_o + bp->start_y * 2);
truelight@0: 		for(;;) {
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				num = done & 0x7F;
truelight@0: 				skip = src_o[1];
truelight@0: 				src = src_o + 2;
truelight@0: 				src_o += num + 2;
truelight@0: 
truelight@0: 				dst = bp->dst;
truelight@0: 
truelight@0: 				if (skip & 1) {
truelight@0: 					skip++;
truelight@0: 					src++;
tron@2004: 					if (--num == 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if (skip & 2) {
tron@2004: 					skip += 2;
tron@2004: 					src += 2;
tron@2004: 					num -= 2;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				if ( (skip -= bp->start_x) > 0) {
truelight@0: 					dst += skip >> 2;
truelight@0: 				} else {
truelight@0: 					src -= skip;
truelight@0: 					num += skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 					skip = 0;
truelight@0: 				}
truelight@0: 
truelight@0: 				skip = skip + num - bp->width;
truelight@0: 				if (skip > 0) {
truelight@0: 					num -= skip;
tron@2004: 					if (num <= 0) continue;
truelight@0: 				}
truelight@0: 
truelight@0: 				num = (num + 3) >> 2;
truelight@0: 
tron@1997: 				for (; num != 0; num--) {
truelight@0: 						*dst = *src;
truelight@0: 						dst++;
tron@1997: 						src += 4;
truelight@0: 				}
truelight@0: 			} while (!(done & 0x80));
truelight@0: 
truelight@0: 			bp->dst += bp->pitch;
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 
truelight@0: 			do {
truelight@0: 				done = src_o[0];
truelight@0: 				src_o += (done & 0x7F) + 2;
truelight@0: 			} while (!(done & 0x80));
tron@2004: 			if (--bp->height == 0) return;
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomOutUncomp(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte* src = bp->sprite;
truelight@0: 	byte *dst = bp->dst;
truelight@0: 	int height = bp->height;
truelight@0: 	int width = bp->width;
truelight@0: 	int i;
truelight@0: 
truelight@0: 	assert(height > 0);
truelight@0: 	assert(width > 0);
truelight@0: 
truelight@0: 	if (bp->mode & 1) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@1996: 			for (height >>= 2; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 2; i++) {
tron@1996: 					byte b = ctab[src[i * 4]];
tron@1996: 
tron@1996: 					if (b != 0) dst[i] = b;
tron@1996: 				}
truelight@0: 				src += bp->width_org * 4;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	} else if (bp->mode & 2) {
truelight@0: 		if (bp->info & 1) {
tron@1357: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@1996: 			for (height >>= 2; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 2; i++)
tron@1996: 					if (src[i * 4] != 0) dst[i] = ctab[dst[i]];
truelight@0: 				src += bp->width_org * 4;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		if (bp->info & 1) {
tron@1996: 			for (height >>= 2; height != 0; height--) {
tron@1996: 				for (i = 0; i != width >> 2; i++)
tron@1996: 					if (src[i * 4] != 0) dst[i] = src[i * 4];
truelight@0: 				src += bp->width_org * 4;
truelight@0: 				dst += bp->pitch;
tron@1996: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: typedef void (*BlitZoomFunc)(BlitterParams *bp);
truelight@0: 
tron@1357: static void GfxMainBlitter(const Sprite* sprite, int x, int y, int mode)
truelight@0: {
truelight@0: 	DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 	int start_x, start_y;
truelight@0: 	byte info;
truelight@0: 	BlitterParams bp;
truelight@0: 	int zoom_mask = ~((1 << (dpi->zoom))-1);
truelight@0: 
truelight@0: 	static const BlitZoomFunc zf_tile[3] =
truelight@0: 	{
truelight@0: 		GfxBlitTileZoomIn,
truelight@0: 		GfxBlitTileZoomMedium,
truelight@0: 		GfxBlitTileZoomOut
truelight@0: 	};
truelight@0: 	static const BlitZoomFunc zf_uncomp[3] =
truelight@0: 	{
truelight@0: 		GfxBlitZoomInUncomp,
truelight@0: 		GfxBlitZoomMediumUncomp,
truelight@0: 		GfxBlitZoomOutUncomp
truelight@0: 	};
truelight@0: 
truelight@0: 	/* decode sprite header */
tron@1351: 	x += sprite->x_offs;
tron@1351: 	y += sprite->y_offs;
tron@1351: 	bp.width_org = bp.width = sprite->width;
tron@1348: 	bp.height_org = bp.height = sprite->height;
tron@1348: 	info = sprite->info;
truelight@0: 	bp.info = info;
tron@1348: 	bp.sprite_org = bp.sprite = sprite->data;
truelight@0: 	bp.dst = dpi->dst_ptr;
truelight@0: 	bp.mode = mode;
truelight@0: 	bp.pitch = dpi->pitch;
truelight@0: 
truelight@0: 	assert(bp.height > 0);
truelight@0: 	assert(bp.width > 0);
truelight@0: 
truelight@0: 	if (info & 8) {
truelight@0: 		/* tile blit */
truelight@0: 		start_y = 0;
truelight@0: 
truelight@0: 		if (dpi->zoom > 0) {
truelight@0: 			start_y += bp.height &~ zoom_mask;
truelight@193: 			bp.height &= zoom_mask;
truelight@0: 			if (bp.height == 0) return;
truelight@0: 			y&=zoom_mask;
truelight@0: 		}
truelight@0: 
truelight@0: 		if ( (y -= dpi->top) < 0) {
truelight@0: 			if ((bp.height += y) <= 0)
truelight@0: 				return;
truelight@0: 			start_y -= y;
truelight@0: 			y = 0;
truelight@0: 		} else {
truelight@0: 			bp.dst += bp.pitch * (y>>(dpi->zoom));
truelight@0: 		}
truelight@0: 		bp.start_y = start_y;
truelight@0: 
truelight@0: 		if ( (y = y + bp.height - dpi->height) > 0) {
truelight@0: 			if ( (bp.height -= y) <= 0)
truelight@0: 				return;
truelight@0: 		}
truelight@0: 
truelight@0: 		start_x = 0;
truelight@0: 		x &= zoom_mask;
truelight@0: 		if ( (x -= dpi->left) < 0) {
truelight@0: 			if ((bp.width += x) <= 0)
truelight@0: 				return;
truelight@0: 			start_x -= x;
truelight@0: 			x = 0;
truelight@0: 		}
truelight@0: 		bp.start_x = start_x;
truelight@0: 		bp.dst += x>>(dpi->zoom);
truelight@0: 
truelight@0: 		if ( (x = x + bp.width - dpi->width) > 0) {
truelight@0: 			if ( (bp.width -= x) <= 0)
truelight@0: 				return;
truelight@0: 		}
truelight@0: 
truelight@0: 		zf_tile[dpi->zoom](&bp);
truelight@0: 	} else {
truelight@0: 
truelight@0: 		bp.sprite += bp.width * (bp.height & ~zoom_mask);
truelight@0: 		bp.height &= zoom_mask;
truelight@0: 		if (bp.height == 0)
truelight@0: 			return;
truelight@0: 
truelight@0: 		y &= zoom_mask;
truelight@0: 
truelight@0: 		if ( (y -= dpi->top) < 0) {
truelight@0: 			if ((bp.height += y) <= 0)
truelight@0: 				return;
truelight@0: 			bp.sprite -= bp.width * y;
truelight@0: 			y = 0;
truelight@0: 		} else {
truelight@0: 			bp.dst += bp.pitch * (y>>(dpi->zoom));
truelight@0: 		}
truelight@0: 
truelight@0: 		if ( (y = y + bp.height - dpi->height) > 0) {
truelight@0: 			if ( (bp.height -= y) <= 0)
truelight@0: 				return;
truelight@0: 		}
truelight@0: 
truelight@0: 		start_x = 0;
truelight@0: 
truelight@0: 		x &= zoom_mask;
truelight@0: 
truelight@0: 		if ( (x -= dpi->left) < 0) {
truelight@0: 			if ((bp.width += x) <= 0)
truelight@0: 				return;
truelight@0: 			start_x -= x;
truelight@0: 			bp.sprite -= x;
truelight@0: 			x = 0;
truelight@0: 		}
truelight@0: 		bp.dst += x>>(dpi->zoom);
truelight@0: 
truelight@0: 		if ( (x = x + bp.width - dpi->width) > 0) {
truelight@0: 			if ( (bp.width -= x) <= 0)
truelight@0: 				return;
truelight@0: 			start_x += x;
truelight@0: 		}
truelight@0: 		bp.start_x = start_x;
truelight@0: 
truelight@0: 		if (info&2) {
truelight@0: 			int totpix = bp.height_org * bp.width_org;
truelight@0: 			byte *dst = (byte*)alloca(totpix);
tron@1357: 			const byte *src = bp.sprite_org;
truelight@0: 
pasky@461: 			bp.sprite = dst + (bp.sprite - bp.sprite_org);
truelight@0: 
truelight@0: 			while (totpix != 0) {
tron@2004: 				signed char b;
tron@2004: 
truelight@0: 				assert(totpix > 0);
tron@2004: 
truelight@0: 				b = *src++;
truelight@0: 				if (b >= 0) {
tron@2004: 					uint count = b;
tron@2004: 					uint i;
tron@2004: 
tron@2004: 					for (i = 0; i != count; i++) dst[i] = src[i];
truelight@0: 					dst += count;
truelight@0: 					src += count;
truelight@0: 					totpix -= count;
truelight@0: 				} else {
tron@2004: 					const byte *tmp = dst - (((b & 7) << 8) | *src++);
tron@2004: 					uint count = -(b >> 3);
tron@2004: 					uint i;
truelight@0: 
tron@2004: 					for (i = 0; i != count; i++) dst[i] = tmp[i];
truelight@0: 					dst += count;
truelight@0: 					totpix -= count;
truelight@0: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 		zf_uncomp[dpi->zoom](&bp);
truelight@0: 	}
truelight@0: }
truelight@0: 
darkvater@798: #if 0
tron@410: static void GfxScalePalette(int pal, byte scaling)
truelight@0: {
tron@1991: 	const Colour* src;
tron@1991: 	uint i;
truelight@0: 
truelight@0: 	GfxInitPalettes();
truelight@0: 
truelight@0: 	src = GET_PALETTE(pal);
tron@1991: 	for (i = 0; i < lengthof(_cur_palette); i++) {
tron@1991: 		_cur_palette[i].r = src[i].r * scaling >> 8;
tron@1991: 		_cur_palette[i].g = src[i].g * scaling >> 8;
tron@1991: 		_cur_palette[i].b = src[i].b * scaling >> 8;
tron@1991: 	}
truelight@0: }
darkvater@798: #endif
truelight@0: 
tron@1093: void DoPaletteAnimations(void);
dominik@614: 
tron@1093: void GfxInitPalettes(void)
truelight@0: {
tron@1991: 	memcpy(_cur_palette, _palettes[_use_dos_palette ? 1 : 0], sizeof(_cur_palette));
dominik@614: 
truelight@0: 	_pal_first_dirty = 0;
truelight@0: 	_pal_last_dirty = 255;
dominik@614: 	DoPaletteAnimations();
truelight@0: }
truelight@0: 
truelight@0: #define EXTR(p,q) (((uint16)(_timer_counter * (p)) * (q)) >> 16)
truelight@0: #define EXTR2(p,q) (((uint16)(~_timer_counter * (p)) * (q)) >> 16)
truelight@0: 
tron@1093: void DoPaletteAnimations(void)
truelight@0: {
tron@1991: 	const Colour* s;
tron@1991: 	Colour* d;
dominik@614: 	/* Amount of colors to be rotated.
dominik@614: 	 * A few more for the DOS palette, because the water colors are
dominik@614: 	 * 245-254 for DOS and 217-226 for Windows.  */
tron@915: 	int c = _use_dos_palette?38:28;
truelight@0: 	int j;
truelight@0: 	int i;
truelight@0: 	const ExtraPaletteValues *ev = &_extra_palette_values;
tron@1991: 	Colour old_val[38]; // max(38, 28)
truelight@0: 
tron@1991: 	d = &_cur_palette[217];
tron@1991: 	memcpy(old_val, d, c * sizeof(*old_val));
truelight@0: 
truelight@0: 	// Dark blue water
truelight@0: 	s = ev->a;
truelight@0: 	if (_opt.landscape == LT_CANDY) s = ev->ac;
tron@1991: 	j = EXTR(320,5);
truelight@0: 	for(i=0; i!=5; i++) {
tron@1991: 		*d++ = s[j];
tron@1991: 		j++;
tron@1991: 		if (j == 5) j = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Glittery water
truelight@0: 	s = ev->b;
truelight@0: 	if (_opt.landscape == LT_CANDY) s = ev->bc;
tron@1991: 	j = EXTR(128, 15);
truelight@0: 	for(i=0; i!=5; i++) {
tron@1991: 		*d++ = s[j];
tron@1991: 		j += 3;
tron@1991: 		if (j >= 15) j -= 15;
truelight@0: 	}
truelight@0: 
truelight@0: 	s = ev->e;
tron@1991: 	j = EXTR2(512, 5);
truelight@0: 	for(i=0; i!=5; i++) {
tron@1991: 		*d++ = s[j];
tron@1991: 		j++;
tron@1991: 		if (j == 5) j = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Oil refinery fire animation
truelight@0: 	s = ev->oil_ref;
tron@1991: 	j = EXTR2(512, 7);
truelight@0: 	for(i=0; i!=7; i++) {
tron@1991: 		*d++ = s[j];
tron@1991: 		j++;
tron@1991: 		if (j == 7) j = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Radio tower blinking
truelight@0: 	{
truelight@0: 		byte i,v;
truelight@0: 		i = (_timer_counter >> 1) & 0x7F;
truelight@0: 		(v = 255, i < 0x3f) ||
truelight@0: 		(v = 128, i < 0x4A || i >= 0x75) ||
truelight@0: 		(v = 20);
tron@1991: 		d->r = v;
tron@1991: 		d->g = 0;
tron@1991: 		d->b = 0;
tron@1991: 		d++;
truelight@0: 
truelight@0: 		i ^= 0x40;
truelight@0: 		(v = 255, i < 0x3f) ||
truelight@0: 		(v = 128, i < 0x4A || i >= 0x75) ||
truelight@0: 		(v = 20);
tron@1991: 		d->r = v;
tron@1991: 		d->g = 0;
tron@1991: 		d->b = 0;
tron@1991: 		d++;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Handle lighthouse and stadium animation
truelight@0: 	s = ev->lighthouse;
tron@1991: 	j = EXTR(256, 4);
truelight@0: 	for(i=0; i!=4; i++) {
tron@1991: 		*d++ = s[j];
tron@1991: 		j++;
tron@1991: 		if (j == 4) j = 0;
truelight@0: 	}
truelight@0: 
dominik@614: 	// Animate water for old DOS graphics
dominik@614: 	if(_use_dos_palette) {
dominik@614: 		// Dark blue water DOS
dominik@614: 		s = ev->a;
dominik@614: 		if (_opt.landscape == LT_CANDY) s = ev->ac;
tron@1991: 		j = EXTR(320,5);
dominik@614: 		for(i=0; i!=5; i++) {
tron@1991: 			*d++ = s[j];
tron@1991: 			j++;
tron@1991: 			if (j == 5) j = 0;
dominik@614: 		}
tron@915: 
dominik@614: 		// Glittery water DOS
dominik@614: 		s = ev->b;
dominik@614: 		if (_opt.landscape == LT_CANDY) s = ev->bc;
tron@1991: 		j = EXTR(128, 15);
dominik@614: 		for(i=0; i!=5; i++) {
tron@1991: 			*d++ = s[j];
tron@1991: 			j += 3;
tron@1991: 			if (j >= 15) j -= 15;
dominik@614: 		}
dominik@614: 	}
dominik@614: 
tron@1991: 	if (memcmp(old_val, &_cur_palette[217], c * sizeof(*old_val)) != 0) {
truelight@0: 		if (_pal_first_dirty > 217) _pal_first_dirty = 217;
tron@1991: 		if (_pal_last_dirty < 217 + c) _pal_last_dirty = 217 + c;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
tron@1093: void LoadStringWidthTable(void)
truelight@0: {
truelight@0: 	int i;
truelight@0: 	byte *b;
truelight@0: 
truelight@0: 	b = _stringwidth_table;
truelight@0: 
truelight@0: 	// 2 equals space.
truelight@0: 	for(i=2; i != 0xE2; i++) {
tron@1351: 		*b++ = (byte)((i < 93 || i >= 129 || i == 98) ? GetSprite(i)->width : 0);
truelight@0: 	}
truelight@0: 
truelight@0: 	for(i=0xE2; i != 0x1C2; i++) {
tron@1351: 		*b++ = (byte)((i < 317 || i >= 353) ? GetSprite(i)->width + 1 : 0);
truelight@0: 	}
truelight@0: 
truelight@0: 	for(i=0x1C2; i != 0x2A2; i++) {
tron@1351: 		*b++ = (byte)((i < 541 || i >= 577) ? GetSprite(i)->width + 1 : 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1093: void ScreenSizeChanged(void)
truelight@0: {
truelight@0: 	// check the dirty rect
truelight@0: 	if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
truelight@0: 	if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
truelight@0: 
truelight@0: 	// screen size changed and the old bitmap is invalid now, so we don't want to undraw it
truelight@0: 	_cursor.visible = false;
truelight@0: }
truelight@0: 
tron@1093: void UndrawMouseCursor(void)
truelight@0: {
truelight@0: 	if (_cursor.visible) {
truelight@0: 		_cursor.visible = false;
truelight@0: 		memcpy_pitch(
truelight@0: 			_screen.dst_ptr + _cursor.draw_pos.x + _cursor.draw_pos.y * _screen.pitch,
truelight@0: 			_cursor_backup,
truelight@0: 			_cursor.draw_size.x, _cursor.draw_size.y, _cursor.draw_size.x, _screen.pitch);
truelight@193: 
truelight@0: 		_video_driver->make_dirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1093: void DrawMouseCursor(void)
truelight@0: {
truelight@0: 	int x,y,w,h;
truelight@0: 
truelight@0: 	// Don't draw the mouse cursor if it's already drawn
truelight@0: 	if (_cursor.visible) {
truelight@0: 		if (!_cursor.dirty)
truelight@0: 			return;
truelight@0: 		UndrawMouseCursor();
truelight@0: 	}
truelight@0: 
truelight@0: 	w = _cursor.size.x;
truelight@0: 	x = _cursor.pos.x + _cursor.offs.x;
truelight@0: 	if (x < 0) { w += x; x=0; }
truelight@0: 	if (w>_screen.width-x) { w = _screen.width-x; }
truelight@0: 	if (w <= 0) return;
truelight@0: 	_cursor.draw_pos.x = x;
truelight@0: 	_cursor.draw_size.x = w;
truelight@0: 
truelight@0: 	h = _cursor.size.y;
truelight@0: 	y = _cursor.pos.y + _cursor.offs.y;
truelight@0: 	if (y < 0) { h += y; y=0; }
truelight@0: 	if (h>_screen.height-y) { h = _screen.height-y; }
truelight@0: 	if (h <= 0) return;
truelight@0: 	_cursor.draw_pos.y = y;
truelight@0: 	_cursor.draw_size.y = h;
truelight@0: 
dominik@1130: 	assert(w*h < (int) sizeof(_cursor_backup));
truelight@0: 
truelight@0: 	// Make backup of stuff below cursor
truelight@0: 	memcpy_pitch(
truelight@0: 		_cursor_backup,
truelight@0: 		_screen.dst_ptr + _cursor.draw_pos.x + _cursor.draw_pos.y * _screen.pitch,
darkvater@306: 		_cursor.draw_size.x, _cursor.draw_size.y, _screen.pitch, _cursor.draw_size.x);
truelight@0: 
truelight@0: 	// Draw cursor on screen
truelight@0: 	_cur_dpi = &_screen;
truelight@0: 	DrawSprite(_cursor.sprite, _cursor.pos.x, _cursor.pos.y);
truelight@0: 
truelight@0: 	_video_driver->make_dirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
truelight@0: 
truelight@0: 	_cursor.visible = true;
truelight@0: 	_cursor.dirty = false;
truelight@0: }
truelight@0: 
darkvater@798: #if defined(_DEBUG)
tron@410: static void DbgScreenRect(int left, int top, int right, int bottom)
truelight@0: {
truelight@0: 	DrawPixelInfo dp,*old;
truelight@0: 
truelight@0: 	old = _cur_dpi;
truelight@0: 	_cur_dpi = &dp;
truelight@0: 	dp = _screen;
truelight@0: 	GfxFillRect(left, top, right-1, bottom-1, rand() & 255);
truelight@0: 	_cur_dpi = old;
truelight@0: }
darkvater@798: #endif
truelight@0: 
truelight@0: extern bool _dbg_screen_rect;
truelight@0: 
truelight@0: void RedrawScreenRect(int left, int top, int right, int bottom)
truelight@0: {
truelight@0: 	assert(right <= _screen.width && bottom <= _screen.height);
truelight@0: 	if (_cursor.visible) {
truelight@0: 		if (right > _cursor.draw_pos.x &&
truelight@0: 				left < _cursor.draw_pos.x + _cursor.draw_size.x &&
truelight@0: 				bottom > _cursor.draw_pos.y &&
truelight@0: 				top < _cursor.draw_pos.y + _cursor.draw_size.y) {
truelight@0: 			UndrawMouseCursor();
truelight@0: 		}
truelight@0: 	}
truelight@543: 	UndrawTextMessage();
truelight@0: 
truelight@0: #if defined(_DEBUG)
truelight@0: 	if (_dbg_screen_rect)
truelight@0: 		DbgScreenRect(left, top, right, bottom);
truelight@0: 	else
truelight@0: #endif
truelight@0: 		DrawOverlappedWindowForAll(left, top, right, bottom);
truelight@0: 
truelight@0: 	_video_driver->make_dirty(left, top, right-left, bottom-top);
truelight@0: }
truelight@0: 
tron@1093: void DrawDirtyBlocks(void)
truelight@0: {
truelight@0: 	byte *b = _dirty_blocks;
truelight@0: 	int x=0,y=0;
darkvater@306: 	const int w = (_screen.width + 63) & ~63;
darkvater@306: 	const int h = (_screen.height + 7) & ~7;
truelight@0: 
truelight@0: 	do {
truelight@0: 		if (*b != 0) {
truelight@0: 			int left,top;
truelight@0: 			int right = x + 64;
truelight@0: 			int bottom = y;
truelight@0: 			byte *p = b;
truelight@0: 			int h2;
truelight@0: 			// First try coalescing downwards
truelight@0: 			do {
truelight@0: 				*p = 0;
truelight@0: 				p += DIRTY_BYTES_PER_LINE;
truelight@0: 				bottom += 8;
truelight@0: 			} while (bottom != h && *p);
truelight@0: 
truelight@0: 			// Try coalescing to the right too.
truelight@0: 			h2 = (bottom - y) >> 3;
truelight@0: 			assert(h2>0);
truelight@0: 			p = b;
truelight@0: 
truelight@0: 			while (right != w) {
truelight@0: 				byte *p2 = ++p;
truelight@0: 				int h = h2;
truelight@0: 				// Check if a full line of dirty flags is set.
truelight@0: 				do {
truelight@0: 					if (!*p2) goto no_more_coalesc;
truelight@0: 					p2 += DIRTY_BYTES_PER_LINE;
truelight@0: 				} while (--h);
truelight@0: 
truelight@0: 				// Wohoo, can combine it one step to the right!
truelight@0: 				// Do that, and clear the bits.
truelight@0: 				right += 64;
truelight@0: 
truelight@0: 				h = h2;
truelight@0: 				p2 = p;
truelight@0: 				do {
truelight@0: 					*p2 = 0;
truelight@0: 					p2 += DIRTY_BYTES_PER_LINE;
truelight@0: 				} while (--h);
truelight@0: 			}
truelight@0: 			no_more_coalesc:;
truelight@0: 
truelight@0: 			left = x;
truelight@0: 			top = y;
truelight@0: 
truelight@0: 			if (left < _invalid_rect.left)left = _invalid_rect.left;
truelight@0: 			if (top < _invalid_rect.top)	top = _invalid_rect.top;
truelight@0: 			if (right > _invalid_rect.right)right = _invalid_rect.right;
truelight@0: 			if (bottom > _invalid_rect.bottom)bottom = _invalid_rect.bottom;
truelight@0: 
truelight@0: 			if (left < right && top < bottom) {
truelight@0: 				RedrawScreenRect(left, top, right, bottom);
truelight@0: 			}
truelight@0: 
truelight@0: 		}
truelight@0: 	} while (b++, (x+=64) != w || (x=0,b+=-(w>>6)+DIRTY_BYTES_PER_LINE,(y+=8) != h));
truelight@0: 
truelight@0: 	_invalid_rect.left = w;
truelight@0: 	_invalid_rect.top = h;
truelight@0: 	_invalid_rect.right = 0;
truelight@0: 	_invalid_rect.bottom = 0;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void SetDirtyBlocks(int left, int top, int right, int bottom)
truelight@0: {
truelight@0: 	byte *b;
truelight@0: 	int width,height,i;
truelight@0: 
truelight@0: 	if (left < 0) left = 0;
truelight@0: 	if (top < 0) top = 0;
truelight@0: 	if (right > _screen.width) right = _screen.width;
truelight@0: 	if (bottom > _screen.height) bottom = _screen.height;
truelight@0: 
truelight@0: 	if (left >= right || top >= bottom)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (left < _invalid_rect.left)	_invalid_rect.left = left;
truelight@0: 	if (top < _invalid_rect.top)  	_invalid_rect.top = top;
truelight@0: 	if (right > _invalid_rect.right)_invalid_rect.right = right;
truelight@0: 	if (bottom > _invalid_rect.bottom)_invalid_rect.bottom = bottom;
truelight@0: 
truelight@0: 	left >>= 6;
truelight@0: 	top >>= 3;
truelight@0: 
truelight@0: 	b = _dirty_blocks + top * DIRTY_BYTES_PER_LINE + left;
truelight@0: 
truelight@0: 	width = ((right-1) >> 6) - left + 1;
truelight@0: 	height = ((bottom-1) >> 3) - top + 1;
truelight@0: 
truelight@0: 	assert(width > 0 && height > 0);
truelight@0: 
truelight@0: 	do {
truelight@0: 		i=width;
truelight@0: 		do b[--i] = 0xFF; while (i);
truelight@0: 
truelight@0: 		b += DIRTY_BYTES_PER_LINE;
truelight@0: 	} while (--height);
truelight@0: }
truelight@0: 
tron@1093: void MarkWholeScreenDirty(void)
truelight@0: {
truelight@0: 	SetDirtyBlocks(0, 0, _screen.width, _screen.height);
truelight@0: }
truelight@0: 
truelight@0: bool FillDrawPixelInfo(DrawPixelInfo *n, DrawPixelInfo *o, int left, int top, int width, int height)
truelight@0: {
truelight@0: 	int t;
truelight@0: 
truelight@0: 	if (o == NULL)
truelight@0: 		o = _cur_dpi;
truelight@0: 
truelight@0: 	n->zoom = 0;
truelight@0: 
truelight@0: 	assert(width > 0);
truelight@0: 	assert(height > 0);
truelight@0: 
truelight@0: 	n->left = 0;
truelight@0: 	if ((left -= o->left) < 0) {
truelight@0: 		if ((width += left) < 0)
truelight@0: 			return false;
truelight@0: 		n->left = -left;
truelight@0: 		left = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	if ((t=width + left - o->width) > 0) {
truelight@0: 		if ((width -= t) < 0)
truelight@0: 			return false;
truelight@0: 	}
truelight@0: 	n->width = width;
truelight@0: 
truelight@0: 	n->top = 0;
truelight@0: 	if ((top -= o->top) < 0) {
truelight@0: 		if ((height += top) < 0)
truelight@0: 			return false;
truelight@0: 		n->top = -top;
truelight@0: 		top = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	n->dst_ptr = o->dst_ptr + left + top * (n->pitch = o->pitch);
truelight@0: 
truelight@0: 	if ((t=height + top - o->height) > 0) {
truelight@0: 		if ((height-=t) < 0)
truelight@0: 			return false;
truelight@0: 	}
truelight@0: 	n->height = height;
truelight@0: 
truelight@0: 
truelight@0: 	return true;
truelight@0: }
truelight@0: 
Darkvater@1914: static void SetCursorSprite(CursorID cursor)
truelight@0: {
truelight@0: 	CursorVars *cv = &_cursor;
tron@1348: 	const Sprite *p;
truelight@0: 
truelight@0: 	if (cv->sprite == cursor)
truelight@0: 		return;
truelight@0: 
tron@1350: 	p =	GetSprite(cursor & 0x3FFF);
truelight@0: 	cv->sprite = cursor;
tron@1348: 	cv->size.y = p->height;
tron@1351: 	cv->size.x = p->width;
tron@1351: 	cv->offs.x = p->x_offs;
tron@1351: 	cv->offs.y = p->y_offs;
truelight@0: 
truelight@0: 	cv->dirty = true;
truelight@0: }
truelight@0: 
tron@1093: static void SwitchAnimatedCursor(void)
truelight@0: {
truelight@0: 	CursorVars *cv = &_cursor;
Darkvater@1914: 	const CursorID *cur = cv->animate_cur;
Darkvater@1914: 	CursorID sprite;
truelight@0: 
Darkvater@1914: 	// ANIM_CURSOR_END is 0xFFFF in table/animcursors.h
Darkvater@1914: 	if (cur == NULL || *cur == 0xFFFF) cur = cv->animate_list;
Darkvater@1914: 
truelight@0: 	sprite = cur[0];
truelight@0: 	cv->animate_timeout = cur[1];
truelight@0: 	cv->animate_cur = cur + 2;
truelight@0: 
truelight@0: 	SetCursorSprite(sprite);
truelight@0: }
truelight@0: 
tron@1093: void CursorTick(void)
tron@1093: {
truelight@0: 	CursorVars *cv = &_cursor;
truelight@0: 	if (cv->animate_timeout && !--cv->animate_timeout)
truelight@0: 		SwitchAnimatedCursor();
truelight@0: }
truelight@0: 
Darkvater@1914: void SetMouseCursor(CursorID cursor)
truelight@0: {
truelight@0: 	// Turn off animation
truelight@0: 	_cursor.animate_timeout = 0;
truelight@0: 	// Set cursor
truelight@0: 	SetCursorSprite(cursor);
truelight@0: }
truelight@0: 
Darkvater@1914: void SetAnimatedMouseCursor(const CursorID *table)
truelight@0: {
truelight@0: 	_cursor.animate_list = table;
truelight@0: 	_cursor.animate_cur = NULL;
truelight@0: 	SwitchAnimatedCursor();
truelight@0: }
truelight@0: 
truelight@0: bool ChangeResInGame(int w, int h)
truelight@193: {
truelight@0: 	if ((_screen.width != w || _screen.height != h) && !_video_driver->change_resolution(w, h))
truelight@193: 		return false;
truelight@0: 
truelight@0: 	_cur_resolution[0] = w;
truelight@0: 	_cur_resolution[1] = h;
truelight@0: 	return true;
truelight@0: }
darkvater@298: 
Darkvater@1829: void ToggleFullScreen(bool fs) {_video_driver->toggle_fullscreen(fs);}
Darkvater@1829: 
Darkvater@1806: static int CDECL compare_res(const void *pa, const void *pb)
darkvater@298: {
Darkvater@1806: 	int x = ((const uint16*)pa)[0] - ((const uint16*)pb)[0];
Darkvater@1806: 	if (x != 0) return x;
Darkvater@1806: 	return ((const uint16*)pa)[1] - ((const uint16*)pb)[1];
Darkvater@1806: }
Darkvater@1806: 
Darkvater@1806: void SortResolutions(int count)
Darkvater@1806: {
Darkvater@1806: 	qsort(_resolutions, count, sizeof(_resolutions[0]), compare_res);
darkvater@298: }
truelight@543: 
truelight@543: uint16 GetDrawStringPlayerColor(byte player)
truelight@543: {
truelight@543: 	// Get the color for DrawString-subroutines which matches the color
truelight@543: 	//  of the player
truelight@543: 	if (player == OWNER_SPECTATOR || player == OWNER_SPECTATOR - 1)
truelight@543: 			return 1;
dominik@657: 	return (_color_list[_player_colors[player]].window_color_1b) | IS_PALETTE_COLOR;
truelight@543: }