tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@2163: #include "functions.h"
tron@4428: #include "macros.h"
tron@1349: #include "spritecache.h"
tron@1309: #include "strings.h"
Darkvater@2097: #include "string.h"
truelight@0: #include "gfx.h"
truelight@0: #include "table/palettes.h"
celestar@2187: #include "table/sprites.h"
truelight@0: #include "hal.h"
tron@2153: #include "variables.h"
peter1138@5108: #include "table/control_codes.h"
peter1138@5108: #include "fontcache.h"
truelight@4300: #include "genworld.h"
rubidium@5217: #include "debug.h"
truelight@0: 
tron@2649: #ifdef _DEBUG
tron@2649: bool _dbg_screen_rect;
tron@2649: #endif
tron@2649: 
tron@1991: Colour _cur_palette[256];
peter1138@3798: byte _stringwidth_table[FS_END][224];
tron@1991: 
tron@1357: static void GfxMainBlitter(const Sprite *sprite, int x, int y, int mode);
truelight@0: 
peter1138@3798: FontSize _cur_fontsize;
peter1138@3798: static FontSize _last_fontsize;
tron@2062: static Pixel _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: 
tron@2010: #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: 
Darkvater@4949: void memcpy_pitch(void *dst, void *src, int w, int h, int srcpitch, int dstpitch)
truelight@0: {
Darkvater@4949: 	byte *dstp = (byte*)dst;
Darkvater@4949: 	byte *srcp = (byte*)src;
truelight@0: 
truelight@0: 	assert(h >= 0);
tron@1056: 	for (; h != 0; --h) {
Darkvater@4949: 		memcpy(dstp, srcp, w);
Darkvater@4949: 		dstp += dstpitch;
Darkvater@4949: 		srcp += srcpitch;
tron@1056: 	}
truelight@0: }
truelight@0: 
tron@2010: void GfxScroll(int left, int top, int width, int height, int xo, int yo)
tron@2010: {
tron@2062: 	const Pixel *src;
tron@2062: 	Pixel *dst;
truelight@0: 	int p;
truelight@0: 	int ht;
truelight@0: 
tron@2010: 	if (xo == 0 && yo == 0) return;
truelight@0: 
tron@2010: 	if (_cursor.visible) 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: 
tron@2010: void GfxFillRect(int left, int top, int right, int bottom, int color)
tron@2010: {
tron@2548: 	const DrawPixelInfo* dpi = _cur_dpi;
tron@2062: 	Pixel *dst;
tron@332: 	const int otop = top;
tron@332: 	const int oleft = left;
truelight@0: 
tron@2010: 	if (dpi->zoom != 0) return;
tron@2010: 	if (left > right || top > bottom) return;
tron@2010: 	if (right < dpi->left || left >= dpi->left + dpi->width) return;
tron@2010: 	if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
truelight@0: 
truelight@0: 	if ( (left -= dpi->left) < 0) left = 0;
truelight@0: 	right = right - dpi->left + 1;
tron@2010: 	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;
tron@2010: 	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: 
celestar@2218: 	if (!(color & PALETTE_MODIFIER_GREYOUT)) {
celestar@2218: 		if (!(color & USE_COLORTABLE)) {
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 */
celestar@2218: 			const byte* ctab = GetNonSprite(color & COLORTABLE_MASK) + 1;
tron@1357: 
truelight@0: 			do {
truelight@0: 				int i;
tron@2005: 				for (i = 0; i != right; i++) 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@2005: 			for (i = (bo ^= 1); i < right; i += 2) 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: {
tron@2548: 	const DrawPixelInfo* dpi = _cur_dpi;
truelight@0: 	if ((x-=dpi->left) < 0 || x>=dpi->width || (y-=dpi->top)<0 || y>=dpi->height)
truelight@0: 		return;
tron@2010: 	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;
tron@2010: 	int stepx;
tron@2010: 	int stepy;
truelight@0: 	int frac;
truelight@0: 
truelight@0: 	// Check clipping first
truelight@0: 	{
tron@4522: 		DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 		int t;
truelight@0: 
tron@2010: 		if (x < dpi->left && x2 < dpi->left) return;
truelight@0: 
tron@2010: 		if (y < dpi->top && y2 < dpi->top) return;
truelight@0: 
truelight@0: 		t = dpi->left + dpi->width;
tron@2010: 		if (x > t && x2 > t) return;
truelight@0: 
truelight@0: 		t = dpi->top + dpi->height;
tron@2010: 		if (y > t && y2 > t) return;
truelight@0: 	}
truelight@0: 
truelight@0: 	dy = (y2 - y) * 2;
tron@2010: 	if (dy < 0) {
tron@2010: 		dy = -dy;
tron@2010: 		stepy = -1;
tron@2010: 	} else {
tron@2010: 		stepy = 1;
tron@2010: 	}
truelight@0: 
truelight@0: 	dx = (x2 - x) * 2;
tron@2010: 	if (dx < 0) {
tron@2010: 		dx = -dx;
tron@2010: 		stepx = -1;
tron@2010: 	} else {
tron@2010: 		stepx = 1;
tron@2010: 	}
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: 
peter1138@3798: 
Darkvater@2097: /** Truncate a given string to a maximum width if neccessary.
Darkvater@2097:  * If the string is truncated, add three dots ('...') to show this.
Darkvater@2097:  * @param *dest string that is checked and possibly truncated
Darkvater@2097:  * @param maxw maximum width in pixels of the string
Darkvater@2097:  * @return new width of (truncated) string */
Darkvater@2113: static int TruncateString(char *str, int maxw)
Darkvater@2097: {
Darkvater@2113: 	int w = 0;
peter1138@3798: 	FontSize size = _cur_fontsize;
Darkvater@2097: 	int ddd, ddd_w;
Darkvater@2097: 
peter1138@5108: 	WChar c;
Darkvater@2097: 	char *ddd_pos;
Darkvater@2097: 
peter1138@3798: 	ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
Darkvater@2097: 
peter1138@5108: 	for (ddd_pos = str; (c = Utf8Consume((const char **)&str)) != '\0'; ) {
peter1138@5108: 		if (IsPrintable(c)) {
peter1138@3798: 			w += GetCharacterWidth(size, c);
Darkvater@2097: 
Darkvater@2097: 			if (w >= maxw) {
Darkvater@2097: 				// string got too big... insert dotdotdot
Darkvater@2097: 				ddd_pos[0] = ddd_pos[1] = ddd_pos[2] = '.';
Darkvater@2097: 				ddd_pos[3] = 0;
Darkvater@2097: 				return ddd_w;
Darkvater@2097: 			}
Darkvater@2097: 		} else {
peter1138@5108: 			if (c == SCC_SETX) str++;
peter1138@5108: 			else if (c == SCC_SETXY) str += 2;
peter1138@5108: 			else if (c == SCC_TINYFONT) {
peter1138@3798: 				size = FS_SMALL;
peter1138@3798: 				ddd = GetCharacterWidth(size, '.') * 3;
peter1138@5108: 			} else if (c == SCC_BIGFONT) {
peter1138@3798: 				size = FS_LARGE;
peter1138@3798: 				ddd = GetCharacterWidth(size, '.') * 3;
Darkvater@2097: 			}
Darkvater@2097: 		}
Darkvater@2097: 
Darkvater@2097: 		// Remember the last position where three dots fit.
Darkvater@2097: 		if (w + ddd < maxw) {
Darkvater@2097: 			ddd_w = w + ddd;
Darkvater@2113: 			ddd_pos = str;
Darkvater@2097: 		}
Darkvater@2097: 	}
Darkvater@2097: 
Darkvater@2097: 	return w;
Darkvater@2097: }
Darkvater@2097: 
Darkvater@4912: static inline int TruncateStringID(StringID src, char *dest, int maxw, const char* last)
Darkvater@2097: {
Darkvater@4912: 	GetString(dest, src, last);
Darkvater@2097: 	return TruncateString(dest, maxw);
Darkvater@2097: }
truelight@0: 
truelight@0: /* returns right coordinate */
Darkvater@2097: int DrawString(int x, int y, StringID str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
tron@1336: 
Darkvater@4912: 	GetString(buffer, str, lastof(buffer));
tron@1336: 	return DoDrawString(buffer, x, y, color);
truelight@0: }
truelight@0: 
Darkvater@2097: int DrawStringTruncated(int x, int y, StringID str, uint16 color, uint maxw)
Darkvater@2097: {
Darkvater@2097: 	char buffer[512];
Darkvater@4912: 	TruncateStringID(str, buffer, maxw, lastof(buffer));
Darkvater@2097: 	return DoDrawString(buffer, x, y, color);
Darkvater@2097: }
truelight@0: 
Darkvater@2097: 
rubidium@4314: int DrawStringRightAligned(int x, int y, StringID str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
rubidium@4314: 	int w;
tron@1336: 
Darkvater@4912: 	GetString(buffer, str, lastof(buffer));
Darkvater@4609: 	w = GetStringBoundingBox(buffer).width;
rubidium@4314: 	DoDrawString(buffer, x - w, y, color);
rubidium@4314: 
rubidium@4314: 	return w;
truelight@0: }
truelight@0: 
Darkvater@2097: void DrawStringRightAlignedTruncated(int x, int y, StringID str, uint16 color, uint maxw)
Darkvater@2097: {
Darkvater@2097: 	char buffer[512];
truelight@0: 
Darkvater@4912: 	TruncateStringID(str, buffer, maxw, lastof(buffer));
Darkvater@4609: 	DoDrawString(buffer, x - GetStringBoundingBox(buffer).width, y, color);
Darkvater@2097: }
Darkvater@2097: 
rubidium@4314: void DrawStringRightAlignedUnderline(int x, int y, StringID str, uint16 color)
rubidium@4314: {
rubidium@4314: 	int w = DrawStringRightAligned(x, y, str, color);
rubidium@4314: 	GfxFillRect(x - w, y + 10, x, y + 10, _string_colorremap[1]);
rubidium@4314: }
rubidium@4314: 
Darkvater@2097: 
Darkvater@2097: int DrawStringCentered(int x, int y, StringID str, uint16 color)
truelight@0: {
tron@1336: 	char buffer[512];
truelight@0: 	int w;
truelight@0: 
Darkvater@4912: 	GetString(buffer, str, lastof(buffer));
truelight@0: 
Darkvater@4609: 	w = GetStringBoundingBox(buffer).width;
tron@1336: 	DoDrawString(buffer, x - w / 2, y, color);
truelight@0: 
truelight@0: 	return w;
truelight@0: }
truelight@0: 
Darkvater@2113: int DrawStringCenteredTruncated(int xl, int xr, int y, StringID str, uint16 color)
Darkvater@2097: {
Darkvater@2097: 	char buffer[512];
Darkvater@4912: 	int w = TruncateStringID(str, buffer, xr - xl, lastof(buffer));
Darkvater@2113: 	return DoDrawString(buffer, (xl + xr - w) / 2, y, color);
Darkvater@2097: }
Darkvater@2097: 
Darkvater@2134: int DoDrawStringCentered(int x, int y, const char *str, uint16 color)
Darkvater@2134: {
Darkvater@4609: 	int w = GetStringBoundingBox(str).width;
Darkvater@2134: 	DoDrawString(str, x - w / 2, y, color);
Darkvater@2134: 	return w;
Darkvater@2134: }
Darkvater@2134: 
Darkvater@2097: void DrawStringCenterUnderline(int x, int y, StringID str, uint16 color)
truelight@0: {
truelight@0: 	int w = DrawStringCentered(x, y, str, color);
tron@2010: 	GfxFillRect(x - (w >> 1), y + 10, x - (w >> 1) + w, y + 10, _string_colorremap[1]);
truelight@0: }
truelight@0: 
Darkvater@2113: void DrawStringCenterUnderlineTruncated(int xl, int xr, int y, StringID str, uint16 color)
Darkvater@2097: {
Darkvater@2113: 	int w = DrawStringCenteredTruncated(xl, xr, y, str, color);
Darkvater@2113: 	GfxFillRect((xl + xr - w) / 2, y + 10, (xl + xr + w) / 2, y + 10, _string_colorremap[1]);
Darkvater@2097: }
Darkvater@2097: 
Darkvater@4954: /** 'Correct' a string to a maximum length. Longer strings will be cut into
Darkvater@4954:  * additional lines at whitespace characters if possible. The string parameter
Darkvater@4954:  * is modified with terminating characters mid-string which are the
Darkvater@4954:  * placeholders for the newlines.<br/>
Darkvater@4954:  * The string WILL be truncated if there was no whitespace for the current
Darkvater@4954:  * line's maximum width.
Darkvater@4954:  *
Darkvater@4954:  * @note To know if the the terminating '\0' is the string end or just a
Darkvater@4954:  * newline, the returned 'num' value should be consulted. The num'th '\0',
Darkvater@4954:  * starting with index 0 is the real string end.
Darkvater@4954:  *
Darkvater@4954:  * @param str string to check and correct for length restrictions
Darkvater@4954:  * @param maxw the maximum width the string can have on one line
Darkvater@4954:  * @return return a 32bit wide number consisting of 2 packed values:
Darkvater@4954:  *  0 - 15 the number of lines ADDED to the string
Darkvater@4954:  * 16 - 31 the fontsize in which the length calculation was done at */
Darkvater@4954: uint32 FormatStringLinebreaks(char *str, int maxw)
tron@1095: {
Darkvater@4954: 	FontSize size = _cur_fontsize;
truelight@0: 	int num = 0;
Darkvater@4954: 
Darkvater@4954: 	assert(maxw > 0);
truelight@0: 
tron@2952: 	for (;;) {
Darkvater@4954: 		char *last_space = NULL;
Darkvater@4954: 		int w = 0;
truelight@0: 
tron@2952: 		for (;;) {
peter1138@5108: 			WChar c = Utf8Consume((const char **)&str);
Darkvater@4954: 			/* whitespace is where we will insert the line-break */
peter1138@5108: 			if (c == ' ') last_space = str;
truelight@0: 
peter1138@5108: 			if (IsPrintable(c)) {
peter1138@3798: 				w += GetCharacterWidth(size, c);
Darkvater@4954: 				/* string is longer than maximum width so we need to decide what to
Darkvater@4954: 				 * do. We can do two things:
Darkvater@4954: 				 * 1. If no whitespace was found at all up until now (on this line) then
Darkvater@4954: 				 *    we will truncate the string and bail out.
Darkvater@4954: 				 * 2. In all other cases force a linebreak at the last seen whitespace */
truelight@0: 				if (w > maxw) {
Darkvater@4954: 					if (last_space == NULL) {
Darkvater@4954: 						str[-1] = '\0';
Darkvater@4954: 						return num + (size << 16);
Darkvater@4954: 					}
truelight@0: 					str = last_space;
truelight@0: 					break;
truelight@0: 				}
truelight@0: 			} else {
Darkvater@4954: 				switch (c) {
Darkvater@4954: 					case '\0': return num + (size << 16); break;
peter1138@5108: 					case SCC_SETX:  str++; break;
peter1138@5108: 					case SCC_SETXY: str +=2; break;
peter1138@5108: 					case SCC_TINYFONT: size = FS_SMALL; break;
peter1138@5108: 					case SCC_BIGFONT:  size = FS_LARGE; break;
peter1138@5108: 					case '\n': goto end_of_inner_loop;
Darkvater@4954: 				}
truelight@0: 			}
truelight@0: 		}
Darkvater@4954: end_of_inner_loop:
Darkvater@4954: 		/* string didn't fit on line, so 'dummy' terminate and increase linecount */
truelight@0: 		num++;
tron@2548: 		str[-1] = '\0';
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@5579: /** Draw a given string with the centre around the given x coordinates
Darkvater@5579:  * @param x Centre the string around this pixel width
Darkvater@5579:  * @param y Draw the string at this pixel height (first line's bottom)
Darkvater@5579:  * @param str String to draw
Darkvater@5579:  * @param max Maximum width the string can have before it is wrapped */
tron@2634: void DrawStringMultiCenter(int x, int y, StringID str, int maxw)
truelight@0: {
tron@1336: 	char buffer[512];
truelight@0: 	uint32 tmp;
tron@2631: 	int num, w, mt;
tron@1323: 	const char *src;
peter1138@5108: 	WChar c;
truelight@0: 
Darkvater@4912: 	GetString(buffer, str, lastof(buffer));
truelight@0: 
tron@1336: 	tmp = FormatStringLinebreaks(buffer, maxw);
tron@2635: 	num = GB(tmp, 0, 16);
truelight@0: 
peter1138@3798: 	mt = GetCharacterHeight(GB(tmp, 16, 16));
truelight@0: 
truelight@0: 	y -= (mt >> 1) * num;
truelight@0: 
tron@1336: 	src = buffer;
truelight@0: 
tron@2952: 	for (;;) {
Darkvater@4609: 		w = GetStringBoundingBox(src).width;
truelight@0: 		DoDrawString(src, x - (w>>1), y, 0xFE);
peter1138@3798: 		_cur_fontsize = _last_fontsize;
truelight@0: 
tron@2952: 		for (;;) {
peter1138@5108: 			c = Utf8Consume(&src);
truelight@0: 			if (c == 0) {
truelight@0: 				y += mt;
truelight@0: 				if (--num < 0) {
peter1138@3798: 					_cur_fontsize = FS_NORMAL;
truelight@0: 					return;
truelight@0: 				}
truelight@0: 				break;
peter1138@5108: 			} else if (c == SCC_SETX) {
truelight@0: 				src++;
peter1138@5108: 			} else if (c == SCC_SETXY) {
truelight@0: 				src+=2;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
peter1138@4928: 
peter1138@4928: uint DrawStringMultiLine(int x, int y, StringID str, int maxw)
tron@2010: {
tron@1336: 	char buffer[512];
truelight@0: 	uint32 tmp;
tron@2753: 	int num, mt;
peter1138@4928: 	uint total_height;
tron@1323: 	const char *src;
peter1138@5108: 	WChar c;
truelight@0: 
Darkvater@4912: 	GetString(buffer, str, lastof(buffer));
truelight@0: 
tron@1336: 	tmp = FormatStringLinebreaks(buffer, maxw);
tron@2635: 	num = GB(tmp, 0, 16);
tron@2631: 
peter1138@3798: 	mt = GetCharacterHeight(GB(tmp, 16, 16));
peter1138@4928: 	total_height = (num + 1) * mt;
truelight@0: 
tron@1336: 	src = buffer;
truelight@0: 
tron@2952: 	for (;;) {
truelight@0: 		DoDrawString(src, x, y, 0xFE);
peter1138@3798: 		_cur_fontsize = _last_fontsize;
truelight@0: 
tron@2952: 		for (;;) {
peter1138@5108: 			c = Utf8Consume(&src);
truelight@0: 			if (c == 0) {
truelight@0: 				y += mt;
truelight@0: 				if (--num < 0) {
peter1138@3798: 					_cur_fontsize = FS_NORMAL;
peter1138@4928: 					return total_height;
truelight@0: 				}
truelight@0: 				break;
peter1138@5108: 			} else if (c == SCC_SETX) {
truelight@0: 				src++;
peter1138@5108: 			} else if (c == SCC_SETXY) {
truelight@0: 				src+=2;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@4609: /** Return the string dimension in pixels. The height and width are returned
Darkvater@4609:  * in a single BoundingRect value. TINYFONT, BIGFONT modifiers are only
Darkvater@4609:  * supported as the first character of the string. The returned dimensions
Darkvater@4609:  * are therefore a rough estimation correct for all the current strings
Darkvater@4609:  * but not every possible combination
Darkvater@4609:  * @param str string to calculate pixel-width
Darkvater@4609:  * @return string width and height in pixels */
Darkvater@4609: BoundingRect GetStringBoundingBox(const char *str)
tron@1323: {
peter1138@3798: 	FontSize size = _cur_fontsize;
Darkvater@4609: 	BoundingRect br;
Darkvater@4609: 	int max_width;
peter1138@5108: 	WChar c;
Darkvater@4557: 
Darkvater@4609: 	br.width = br.height = max_width = 0;
peter1138@5108: 	for (;;) {
peter1138@5108: 		c = Utf8Consume(&str);
peter1138@5108: 		if (c == 0) break;
peter1138@5108: 		if (IsPrintable(c)) {
Darkvater@4609: 			br.width += GetCharacterWidth(size, c);
truelight@0: 		} else {
Darkvater@4609: 			switch (c) {
Darkvater@5579: 				case SCC_SETX: br.width += (byte)*str++; break;
peter1138@5108: 				case SCC_SETXY:
Darkvater@5579: 					br.width += (byte)*str++;
Darkvater@5579: 					br.height += (byte)*str++;
Darkvater@4609: 					break;
peter1138@5108: 				case SCC_TINYFONT: size = FS_SMALL; break;
peter1138@5108: 				case SCC_BIGFONT:  size = FS_LARGE; break;
peter1138@5108: 				case '\n':
Darkvater@4609: 					br.height += GetCharacterHeight(size);
Darkvater@4610: 					if (br.width > max_width) max_width = br.width;
Darkvater@4610: 					br.width = 0;
Darkvater@4609: 					break;
Darkvater@4609: 			}
truelight@0: 		}
truelight@0: 	}
Darkvater@4609: 	br.height += GetCharacterHeight(size);
Darkvater@4557: 
Darkvater@4609: 	br.width  = max(br.width, max_width);
Darkvater@4609: 	return br;
truelight@0: }
truelight@0: 
Darkvater@4949: /** Draw a string at the given coordinates with the given colour
Darkvater@4949:  * @param string the string to draw
Darkvater@4949:  * @param x offset from left side of the screen, if negative offset from the right side
Darkvater@4949:  * @param x offset from top side of the screen, if negative offset from the bottom
Darkvater@4949:  * @param real_color colour of the string, see _string_colormap in
Darkvater@4949:  * table/palettes.h or docs/ottd-colourtext-palette.png
Darkvater@4949:  * @return the x-coordinates where the drawing has finished. If nothing is drawn
Darkvater@4949:  * the originally passed x-coordinate is returned */
tron@1323: int DoDrawString(const char *string, int x, int y, uint16 real_color)
tron@1323: {
tron@4522: 	DrawPixelInfo *dpi = _cur_dpi;
peter1138@3798: 	FontSize size = _cur_fontsize;
peter1138@5108: 	WChar 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:;
tron@2952: 		for (;;) {
peter1138@5108: 			c = Utf8Consume(&string);
peter1138@5108: 			if (!IsPrintable(c)) goto skip_cont;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
tron@2952: 	for (;;) {
peter1138@5108: 		c = Utf8Consume(&string);
truelight@0: skip_cont:;
truelight@0: 		if (c == 0) {
peter1138@3798: 			_last_fontsize = size;
truelight@0: 			return x;
truelight@0: 		}
peter1138@5108: 		if (IsPrintable(c)) {
truelight@0: 			if (x >= dpi->left + dpi->width) goto skip_char;
truelight@0: 			if (x + 26 >= dpi->left) {
peter1138@5108: 				GfxMainBlitter(GetGlyph(size, c), x, y, 1);
truelight@0: 			}
peter1138@3798: 			x += GetCharacterWidth(size, c);
peter1138@5108: 		} else if (c == '\n') { // newline = {}
truelight@0: 			x = xo;
peter1138@3798: 			y += GetCharacterHeight(size);
truelight@0: 			goto check_bounds;
peter1138@5108: 		} else if (c >= SCC_BLUE && c <= SCC_BLACK) { // change color?
peter1138@5108: 			color = (byte)(c - SCC_BLUE);
truelight@0: 			goto switch_color;
peter1138@5108: 		} else if (c == SCC_SETX) { // {SETX}
tron@1323: 			x = xo + (byte)*string++;
peter1138@5108: 		} else if (c == SCC_SETXY) {// {SETXY}
tron@1323: 			x = xo + (byte)*string++;
tron@1323: 			y = yo + (byte)*string++;
peter1138@5108: 		} else if (c == SCC_TINYFONT) { // {TINYFONT}
peter1138@3798: 			size = FS_SMALL;
peter1138@5108: 		} else if (c == SCC_BIGFONT) { // {BIGFONT}
peter1138@3798: 			size = FS_LARGE;
truelight@0: 		} else {
Darkvater@5579: 			DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@2097: int DoDrawStringTruncated(const char *str, int x, int y, uint16 color, uint maxw)
Darkvater@2097: {
Darkvater@2097: 	char buffer[512];
Darkvater@2097: 	ttd_strlcpy(buffer, str, sizeof(buffer));
Darkvater@2097: 	TruncateString(buffer, maxw);
Darkvater@2097: 	return DoDrawString(buffer, x, y, color);
Darkvater@2097: }
Darkvater@2097: 
tron@2010: void DrawSprite(uint32 img, int x, int y)
tron@2010: {
celestar@2187: 	if (img & PALETTE_MODIFIER_COLOR) {
celestar@2187: 		_color_remap_ptr = GetNonSprite(GB(img, PALETTE_SPRITE_START, PALETTE_SPRITE_WIDTH)) + 1;
celestar@2187: 		GfxMainBlitter(GetSprite(img & SPRITE_MASK), x, y, 1);
celestar@2187: 	} else if (img & PALETTE_MODIFIER_TRANSPARENT) {
celestar@2187: 		_color_remap_ptr = GetNonSprite(GB(img, PALETTE_SPRITE_START, PALETTE_SPRITE_WIDTH)) + 1;
celestar@2187: 		GfxMainBlitter(GetSprite(img & SPRITE_MASK), x, y, 2);
truelight@0: 	} else {
celestar@2187: 		GfxMainBlitter(GetSprite(img & SPRITE_MASK), x, y, 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: typedef struct BlitterParams {
truelight@0: 	int start_x, start_y;
belugas@4171: 	const byte *sprite;
tron@2062: 	Pixel *dst;
truelight@0: 	int mode;
truelight@0: 	int width, height;
tron@2010: 	int width_org;
truelight@0: 	int pitch;
truelight@0: } BlitterParams;
truelight@0: 
truelight@0: static void GfxBlitTileZoomIn(BlitterParams *bp)
truelight@0: {
belugas@4171: 	const byte *src_o = bp->sprite;
belugas@4171: 	const byte *src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@2062: 	Pixel *dst;
belugas@4171: 	const byte *ctab;
truelight@0: 
tron@4516: 	src_o += ReadLE16Aligned(src_o + bp->start_y * 2);
tron@4516: 	switch (bp->mode) {
tron@4516: 		case 1:
truelight@0: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
truelight@0: 
tron@4516: 					dst = bp->dst;
truelight@0: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
truelight@0: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 
tron@4516: 					for (; num >= 4; num -=4) {
tron@4516: 						dst[3] = ctab[src[3]];
tron@4516: 						dst[2] = ctab[src[2]];
tron@4516: 						dst[1] = ctab[src[1]];
tron@4516: 						dst[0] = ctab[src[0]];
truelight@0: 						dst += 4;
truelight@0: 						src += 4;
tron@4516: 					}
tron@4516: 					for (; num != 0; num--) *dst++ = ctab[*src++];
tron@4516: 				} while (!(done & 0x80));
tron@4516: 
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
tron@4516: 
tron@4516: 		case 2:
tron@4516: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip;
tron@4516: 					} else {
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 					for (; num != 0; num--) {
tron@4516: 						*dst = ctab[*dst];
tron@4516: 						dst++;
tron@4516: 					}
tron@4516: 				} while (!(done & 0x80));
tron@4516: 
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
tron@4516: 
tron@4516: 		default:
tron@4516: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: #if defined(_WIN32)
tron@4516: 					if (num & 1) *dst++ = *src++;
tron@4516: 					if (num & 2) { *(uint16*)dst = *(uint16*)src; dst += 2; src += 2; }
tron@4516: 					if (num >>= 2) {
tron@4516: 						do {
tron@4516: 							*(uint32*)dst = *(uint32*)src;
tron@4516: 							dst += 4;
tron@4516: 							src += 4;
tron@4516: 						} while (--num != 0);
tron@4516: 					}
truelight@0: #else
tron@4516: 					memcpy(dst, src, num);
truelight@0: #endif
tron@4516: 				} while (!(done & 0x80));
truelight@0: 
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomInUncomp(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte *src = bp->sprite;
tron@2062: 	Pixel *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: 
tron@4516: 	switch (bp->mode) {
tron@4517: 		case 1: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@2004: 
tron@4517: 			do {
tron@4517: 				for (i = 0; i != width; i++) {
tron@4517: 					byte b = ctab[src[i]];
truelight@0: 
tron@4517: 					if (b != 0) dst[i] = b;
tron@4517: 				}
tron@4517: 				src += bp->width_org;
tron@4517: 				dst += bp->pitch;
tron@4517: 			} while (--height != 0);
tron@4517: 			break;
tron@4517: 		}
truelight@0: 
tron@4517: 		case 2: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@4517: 
tron@4517: 			do {
tron@4517: 				for (i = 0; i != width; i++)
tron@4517: 					if (src[i] != 0) dst[i] = ctab[dst[i]];
tron@4517: 				src += bp->width_org;
tron@4517: 				dst += bp->pitch;
tron@4517: 			} while (--height != 0);
tron@4516: 			break;
tron@4517: 		}
tron@4516: 
tron@4516: 		default:
tron@4517: 			do {
tron@4517: 				int n = width;
tron@4516: 
tron@4517: 				for (; n >= 4; n -= 4) {
tron@4517: 					if (src[0] != 0) dst[0] = src[0];
tron@4517: 					if (src[1] != 0) dst[1] = src[1];
tron@4517: 					if (src[2] != 0) dst[2] = src[2];
tron@4517: 					if (src[3] != 0) dst[3] = src[3];
tron@4516: 
tron@4517: 					dst += 4;
tron@4517: 					src += 4;
tron@4517: 				}
tron@4516: 
tron@4517: 				for (; n != 0; n--) {
tron@4517: 					if (src[0] != 0) dst[0] = src[0];
tron@4517: 					src++;
tron@4517: 					dst++;
tron@4517: 				}
tron@4517: 
tron@4517: 				src += bp->width_org - width;
tron@4517: 				dst += bp->pitch - width;
tron@4517: 			} while (--height != 0);
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitTileZoomMedium(BlitterParams *bp)
truelight@0: {
belugas@4171: 	const byte *src_o = bp->sprite;
belugas@4171: 	const byte *src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@2062: 	Pixel *dst;
belugas@4171: 	const byte *ctab;
truelight@0: 
tron@4516: 	src_o += ReadLE16Aligned(src_o + bp->start_y * 2);
tron@4516: 	switch (bp->mode) {
tron@4516: 		case 1:
truelight@0: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
truelight@0: 
tron@4516: 					dst = bp->dst;
truelight@0: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						src++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 1;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
truelight@0: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 					num = (num + 1) >> 1;
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = ctab[*src];
tron@4516: 							dst++;
tron@4516: 							src += 2;
tron@4516: 					}
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
truelight@0: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
tron@4516: 
tron@4516: 		case 2:
truelight@0: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 1;
tron@4516: 					} else {
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 					num = (num + 1) >> 1;
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = ctab[*dst];
tron@4516: 							dst++;
tron@4516: 					}
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
tron@4516: 
tron@4516: 		default:
tron@4516: 			do {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						src++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 1;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					num = (num + 1) >> 1;
tron@4516: 
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = *src;
tron@4516: 							dst++;
tron@4516: 							src += 2;
tron@4516: 					}
tron@4516: 
tron@4516: 				} while (!(done & 0x80));
tron@4516: 
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 			} while (--bp->height != 0);
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomMediumUncomp(BlitterParams *bp)
truelight@0: {
tron@1357: 	const byte *src = bp->sprite;
tron@2062: 	Pixel *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: 
tron@4516: 	switch (bp->mode) {
tron@4517: 		case 1: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@4517: 			for (height >>= 1; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 1; i++) {
tron@4517: 					byte b = ctab[src[i * 2]];
tron@1996: 
tron@4517: 					if (b != 0) dst[i] = b;
tron@1996: 				}
tron@4517: 				src += bp->width_org * 2;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
tron@4517: 		}
tron@4516: 
tron@4517: 		case 2: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@4517: 
tron@4517: 			for (height >>= 1; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 1; i++)
tron@4517: 					if (src[i * 2] != 0) dst[i] = ctab[dst[i]];
tron@4517: 				src += bp->width_org * 2;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
tron@4517: 		}
tron@4516: 
tron@4516: 		default:
tron@4517: 			for (height >>= 1; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 1; i++)
tron@4517: 					if (src[i * 2] != 0) dst[i] = src[i * 2];
tron@4517: 				src += bp->width_org * 2;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitTileZoomOut(BlitterParams *bp)
truelight@0: {
belugas@4171: 	const byte *src_o = bp->sprite;
belugas@4171: 	const byte *src;
truelight@0: 	int num, skip;
truelight@0: 	byte done;
tron@2062: 	Pixel *dst;
belugas@4171: 	const byte *ctab;
truelight@0: 
tron@4516: 	src_o += ReadLE16Aligned(src_o + bp->start_y * 2);
tron@4516: 	switch (bp->mode) {
tron@4516: 		case 1:
tron@4516: 			for (;;) {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
truelight@0: 
tron@4516: 					dst = bp->dst;
truelight@0: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						src++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					if (skip & 2) {
tron@4516: 						skip += 2;
tron@4516: 						src += 2;
tron@4516: 						num -= 2;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 2;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
truelight@0: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
truelight@0: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 					num = (num + 3) >> 2;
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = ctab[*src];
tron@4516: 							dst++;
tron@4516: 							src += 4;
tron@4516: 					}
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 			}
tron@4516: 			break;
tron@4516: 
tron@4516: 		case  2:
tron@4516: 			for (;;) {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if (skip & 2) {
tron@4516: 						skip += 2;
tron@4516: 						num -= 2;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 2;
tron@4516: 					} else {
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					ctab = _color_remap_ptr;
tron@4516: 					num = (num + 3) >> 2;
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = ctab[*dst];
tron@4516: 							dst++;
tron@4516: 					}
tron@4516: 
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 			}
tron@4516: 			break;
tron@4516: 
tron@4516: 		default:
tron@4516: 			for (;;) {
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					num = done & 0x7F;
tron@4516: 					skip = src_o[1];
tron@4516: 					src = src_o + 2;
tron@4516: 					src_o += num + 2;
tron@4516: 
tron@4516: 					dst = bp->dst;
tron@4516: 
tron@4516: 					if (skip & 1) {
tron@4516: 						skip++;
tron@4516: 						src++;
tron@4516: 						if (--num == 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if (skip & 2) {
tron@4516: 						skip += 2;
tron@4516: 						src += 2;
tron@4516: 						num -= 2;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					if ( (skip -= bp->start_x) > 0) {
tron@4516: 						dst += skip >> 2;
tron@4516: 					} else {
tron@4516: 						src -= skip;
tron@4516: 						num += skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 						skip = 0;
tron@4516: 					}
tron@4516: 
tron@4516: 					skip = skip + num - bp->width;
tron@4516: 					if (skip > 0) {
tron@4516: 						num -= skip;
tron@4516: 						if (num <= 0) continue;
tron@4516: 					}
tron@4516: 
tron@4516: 					num = (num + 3) >> 2;
tron@4516: 
tron@4516: 					for (; num != 0; num--) {
tron@4516: 							*dst = *src;
tron@4516: 							dst++;
tron@4516: 							src += 4;
tron@4516: 					}
tron@4516: 				} while (!(done & 0x80));
tron@4516: 
tron@4516: 				bp->dst += bp->pitch;
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 
tron@4516: 				do {
tron@4516: 					done = src_o[0];
tron@4516: 					src_o += (done & 0x7F) + 2;
tron@4516: 				} while (!(done & 0x80));
tron@4516: 				if (--bp->height == 0) return;
tron@4516: 			}
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void GfxBlitZoomOutUncomp(BlitterParams *bp)
truelight@0: {
belugas@4171: 	const byte *src = bp->sprite;
tron@2062: 	Pixel *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: 
tron@4516: 	switch (bp->mode) {
tron@4517: 		case 1: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@1357: 
tron@4517: 			for (height >>= 2; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 2; i++) {
tron@4517: 					byte b = ctab[src[i * 4]];
tron@1996: 
tron@4517: 					if (b != 0) dst[i] = b;
tron@1996: 				}
tron@4517: 				src += bp->width_org * 4;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
tron@4517: 		}
tron@4516: 
tron@4517: 		case 2: {
tron@4517: 			const byte *ctab = _color_remap_ptr;
tron@4517: 
tron@4517: 			for (height >>= 2; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 2; i++)
tron@4517: 					if (src[i * 4] != 0) dst[i] = ctab[dst[i]];
tron@4517: 				src += bp->width_org * 4;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
tron@4517: 		}
tron@4516: 
tron@4516: 		default:
tron@4517: 			for (height >>= 2; height != 0; height--) {
tron@4517: 				for (i = 0; i != width >> 2; i++)
tron@4517: 					if (src[i * 4] != 0) dst[i] = src[i * 4];
tron@4517: 				src += bp->width_org * 4;
tron@4517: 				dst += bp->pitch;
tron@1996: 			}
tron@4516: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
belugas@4171: static void GfxMainBlitter(const Sprite *sprite, int x, int y, int mode)
truelight@0: {
belugas@4171: 	const DrawPixelInfo *dpi = _cur_dpi;
truelight@0: 	int start_x, start_y;
truelight@0: 	BlitterParams bp;
tron@2005: 	int zoom_mask = ~((1 << dpi->zoom) - 1);
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@4518: 	bp.height = sprite->height;
tron@4518: 	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: 
tron@4517: 	if (sprite->info & 8) {
truelight@0: 		/* tile blit */
truelight@0: 		start_y = 0;
truelight@0: 
truelight@0: 		if (dpi->zoom > 0) {
tron@2005: 			start_y += bp.height & ~zoom_mask;
truelight@193: 			bp.height &= zoom_mask;
truelight@0: 			if (bp.height == 0) return;
tron@2005: 			y &= zoom_mask;
truelight@0: 		}
truelight@0: 
truelight@0: 		if ( (y -= dpi->top) < 0) {
tron@2005: 			bp.height += y;
tron@2005: 			if (bp.height <= 0) return;
truelight@0: 			start_y -= y;
truelight@0: 			y = 0;
truelight@0: 		} else {
tron@2005: 			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) {
tron@2005: 			bp.height -= y;
tron@2005: 			if (bp.height <= 0) return;
truelight@0: 		}
truelight@0: 
truelight@0: 		start_x = 0;
truelight@0: 		x &= zoom_mask;
truelight@0: 		if ( (x -= dpi->left) < 0) {
tron@2005: 			bp.width += x;
tron@2005: 			if (bp.width <= 0) return;
truelight@0: 			start_x -= x;
truelight@0: 			x = 0;
truelight@0: 		}
truelight@0: 		bp.start_x = start_x;
tron@2005: 		bp.dst += x >> dpi->zoom;
truelight@0: 
truelight@0: 		if ( (x = x + bp.width - dpi->width) > 0) {
tron@2005: 			bp.width -= x;
tron@2005: 			if (bp.width <= 0) return;
truelight@0: 		}
truelight@0: 
tron@4425: 		switch (dpi->zoom) {
tron@4425: 			default: NOT_REACHED();
tron@4425: 			case 0: GfxBlitTileZoomIn(&bp);     break;
tron@4425: 			case 1: GfxBlitTileZoomMedium(&bp); break;
tron@4425: 			case 2: GfxBlitTileZoomOut(&bp);    break;
tron@4425: 		}
truelight@0: 	} else {
truelight@0: 		bp.sprite += bp.width * (bp.height & ~zoom_mask);
truelight@0: 		bp.height &= zoom_mask;
tron@2005: 		if (bp.height == 0) return;
truelight@0: 
truelight@0: 		y &= zoom_mask;
truelight@0: 
truelight@0: 		if ( (y -= dpi->top) < 0) {
tron@2005: 			bp.height += y;
tron@2005: 			if (bp.height <= 0) return;
truelight@0: 			bp.sprite -= bp.width * y;
truelight@0: 			y = 0;
truelight@0: 		} else {
tron@2005: 			bp.dst += bp.pitch * (y >> dpi->zoom);
truelight@0: 		}
truelight@0: 
tron@2037: 		if (bp.height > dpi->height - y) {
tron@2037: 			bp.height = dpi->height - y;
tron@2005: 			if (bp.height <= 0) return;
truelight@0: 		}
truelight@0: 
truelight@0: 		x &= zoom_mask;
truelight@0: 
truelight@0: 		if ( (x -= dpi->left) < 0) {
tron@2005: 			bp.width += x;
tron@2005: 			if (bp.width <= 0) return;
truelight@0: 			bp.sprite -= x;
truelight@0: 			x = 0;
truelight@0: 		}
tron@2005: 		bp.dst += x >> dpi->zoom;
truelight@0: 
tron@2037: 		if (bp.width > dpi->width - x) {
tron@2037: 			bp.width = dpi->width - x;
tron@2005: 			if (bp.width <= 0) return;
truelight@0: 		}
truelight@0: 
tron@4425: 		switch (dpi->zoom) {
tron@4425: 			default: NOT_REACHED();
tron@4425: 			case 0: GfxBlitZoomInUncomp(&bp);     break;
tron@4425: 			case 1: GfxBlitZoomMediumUncomp(&bp); break;
tron@4425: 			case 2: GfxBlitZoomOutUncomp(&bp);    break;
tron@4425: 		}
truelight@0: 	}
truelight@0: }
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: 
tron@2010: #define EXTR(p, q) (((uint16)(_timer_counter * (p)) * (q)) >> 16)
tron@2010: #define EXTR2(p, q) (((uint16)(~_timer_counter * (p)) * (q)) >> 16)
truelight@0: 
tron@1093: void DoPaletteAnimations(void)
truelight@0: {
belugas@4171: 	const Colour *s;
belugas@4171: 	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.  */
truelight@0: 	const ExtraPaletteValues *ev = &_extra_palette_values;
tron@2005: 	int c = _use_dos_palette ? 38 : 28;
tron@1991: 	Colour old_val[38]; // max(38, 28)
tron@2005: 	uint i;
tron@2005: 	uint j;
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
tron@2005: 	s = (_opt.landscape == LT_CANDY) ? ev->ac : ev->a;
tron@2005: 	j = EXTR(320, 5);
tron@2005: 	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
tron@2005: 	s = (_opt.landscape == LT_CANDY) ? ev->bc : ev->b;
tron@1991: 	j = EXTR(128, 15);
tron@2005: 	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);
tron@2005: 	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);
tron@2005: 	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: 	{
tron@2005: 		byte i = (_timer_counter >> 1) & 0x7F;
tron@2005: 		byte v;
tron@2005: 
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);
tron@2005: 	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
tron@2005: 	if (_use_dos_palette) {
dominik@614: 		// Dark blue water DOS
tron@2005: 		s = (_opt.landscape == LT_CANDY) ? ev->ac : ev->a;
tron@2005: 		j = EXTR(320, 5);
tron@2005: 		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
tron@2005: 		s = (_opt.landscape == LT_CANDY) ? ev->bc : ev->b;
tron@1991: 		j = EXTR(128, 15);
tron@2005: 		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: {
tron@2005: 	uint i;
truelight@0: 
peter1138@3797: 	/* Normal font */
peter1138@3798: 	for (i = 0; i != 224; i++) {
peter1138@5108: 		_stringwidth_table[FS_NORMAL][i] = GetGlyphWidth(FS_NORMAL, i + 32);
truelight@0: 	}
truelight@0: 
peter1138@3797: 	/* Small font */
peter1138@3798: 	for (i = 0; i != 224; i++) {
peter1138@5108: 		_stringwidth_table[FS_SMALL][i] = GetGlyphWidth(FS_SMALL, i + 32);
truelight@0: 	}
truelight@0: 
peter1138@3797: 	/* Large font */
peter1138@3798: 	for (i = 0; i != 224; i++) {
peter1138@5108: 		_stringwidth_table[FS_LARGE][i] = GetGlyphWidth(FS_LARGE, i + 32);
truelight@0: 	}
truelight@0: }
truelight@0: 
peter1138@5108: 
peter1138@5108: byte GetCharacterWidth(FontSize size, WChar key)
peter1138@5108: {
peter1138@5108: 	if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
peter1138@5108: 
peter1138@5108: 	return GetGlyphWidth(size, key);
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
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: {
tron@2010: 	int x;
tron@2010: 	int y;
tron@2010: 	int w;
tron@2010: 	int h;
truelight@0: 
Darkvater@3312: 	/* Redraw mouse cursor but only when it's inside the window */
Darkvater@3312: 	if (!_cursor.in_window) return;
Darkvater@3312: 
truelight@0: 	// Don't draw the mouse cursor if it's already drawn
truelight@0: 	if (_cursor.visible) {
tron@2010: 		if (!_cursor.dirty) return;
truelight@0: 		UndrawMouseCursor();
truelight@0: 	}
truelight@0: 
truelight@0: 	w = _cursor.size.x;
truelight@0: 	x = _cursor.pos.x + _cursor.offs.x;
tron@2010: 	if (x < 0) {
tron@2010: 		w += x;
tron@2010: 		x = 0;
tron@2010: 	}
tron@2010: 	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;
tron@2010: 	if (y < 0) {
tron@2010: 		h += y;
tron@2010: 		y = 0;
tron@2010: 	}
tron@2010: 	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: 
tron@2010: 	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: {
tron@2010: 	DrawPixelInfo dp;
belugas@4171: 	DrawPixelInfo *old;
truelight@0: 
truelight@0: 	old = _cur_dpi;
truelight@0: 	_cur_dpi = &dp;
truelight@0: 	dp = _screen;
tron@2010: 	GfxFillRect(left, top, right - 1, bottom - 1, rand() & 255);
truelight@0: 	_cur_dpi = old;
truelight@0: }
darkvater@798: #endif
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: 
tron@2010: 	_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;
tron@2398: 	const int w = ALIGN(_screen.width, 64);
tron@2398: 	const int h = ALIGN(_screen.height, 8);
tron@2025: 	int x;
tron@2025: 	int y;
truelight@0: 
truelight@4300: 	if (IsGeneratingWorld() && !IsGeneratingWorldReadyForPaint()) return;
truelight@4300: 
tron@2025: 	y = 0;
truelight@0: 	do {
tron@2025: 		x = 0;
tron@2025: 		do {
tron@2025: 			if (*b != 0) {
tron@2025: 				int left;
tron@2025: 				int top;
tron@2025: 				int right = x + 64;
tron@2025: 				int bottom = y;
tron@2025: 				byte *p = b;
tron@2025: 				int h2;
truelight@0: 
tron@2025: 				// First try coalescing downwards
truelight@0: 				do {
tron@2025: 					*p = 0;
tron@2025: 					p += DIRTY_BYTES_PER_LINE;
tron@2025: 					bottom += 8;
tron@2025: 				} while (bottom != h && *p != 0);
truelight@0: 
tron@2025: 				// Try coalescing to the right too.
tron@2025: 				h2 = (bottom - y) >> 3;
tron@2025: 				assert(h2 > 0);
tron@2025: 				p = b;
truelight@0: 
tron@2025: 				while (right != w) {
tron@2025: 					byte *p2 = ++p;
tron@2025: 					int h = h2;
tron@2025: 					// Check if a full line of dirty flags is set.
tron@2025: 					do {
tron@2025: 						if (!*p2) goto no_more_coalesc;
tron@2025: 						p2 += DIRTY_BYTES_PER_LINE;
tron@2025: 					} while (--h != 0);
tron@2025: 
tron@2025: 					// Wohoo, can combine it one step to the right!
tron@2025: 					// Do that, and clear the bits.
tron@2025: 					right += 64;
tron@2025: 
tron@2025: 					h = h2;
tron@2025: 					p2 = p;
tron@2025: 					do {
tron@2025: 						*p2 = 0;
tron@2025: 						p2 += DIRTY_BYTES_PER_LINE;
tron@2025: 					} while (--h != 0);
tron@2025: 				}
tron@2025: 				no_more_coalesc:
tron@2025: 
tron@2025: 				left = x;
tron@2025: 				top = y;
tron@2025: 
tron@2025: 				if (left   < _invalid_rect.left  ) left   = _invalid_rect.left;
tron@2025: 				if (top    < _invalid_rect.top   ) top    = _invalid_rect.top;
tron@2025: 				if (right  > _invalid_rect.right ) right  = _invalid_rect.right;
tron@2025: 				if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
tron@2025: 
tron@2025: 				if (left < right && top < bottom) {
tron@2025: 					RedrawScreenRect(left, top, right, bottom);
tron@2025: 				}
tron@2025: 
truelight@0: 			}
tron@2025: 		} while (b++, (x += 64) != w);
tron@2025: 	} while (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@4300: 
truelight@4300: 	/* If we are generating a world, and waiting for a paint run, mark it here
truelight@4300: 	 *  as done painting, so we can continue generating. */
truelight@4300: 	if (IsGeneratingWorld() && IsGeneratingWorldReadyForPaint()) {
truelight@4300: 		SetGeneratingWorldPaintStatus(false);
truelight@4300: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void SetDirtyBlocks(int left, int top, int right, int bottom)
truelight@0: {
truelight@0: 	byte *b;
tron@2010: 	int width;
tron@2010: 	int height;
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: 
tron@2010: 	if (left >= right || top >= bottom) return;
truelight@0: 
tron@2010: 	if (left   < _invalid_rect.left  ) _invalid_rect.left   = left;
tron@2010: 	if (top    < _invalid_rect.top   ) _invalid_rect.top    = top;
tron@2010: 	if (right  > _invalid_rect.right ) _invalid_rect.right  = right;
tron@2010: 	if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
truelight@0: 
truelight@0: 	left >>= 6;
tron@2010: 	top  >>= 3;
truelight@0: 
truelight@0: 	b = _dirty_blocks + top * DIRTY_BYTES_PER_LINE + left;
truelight@0: 
tron@2010: 	width  = ((right  - 1) >> 6) - left + 1;
tron@2010: 	height = ((bottom - 1) >> 3) - top  + 1;
truelight@0: 
truelight@0: 	assert(width > 0 && height > 0);
truelight@0: 
truelight@0: 	do {
tron@2010: 		int i = width;
tron@2010: 
truelight@0: 		do b[--i] = 0xFF; while (i);
truelight@0: 
truelight@0: 		b += DIRTY_BYTES_PER_LINE;
tron@2010: 	} while (--height != 0);
truelight@0: }
truelight@0: 
tron@1093: void MarkWholeScreenDirty(void)
truelight@0: {
truelight@0: 	SetDirtyBlocks(0, 0, _screen.width, _screen.height);
truelight@0: }
truelight@0: 
Darkvater@4958: /** Set up a clipping area for only drawing into a certain area. To do this,
Darkvater@4958:  * Fill a DrawPixelInfo object with the supplied relative rectangle, backup
Darkvater@4958:  * the original (calling) _cur_dpi and assign the just returned DrawPixelInfo
Darkvater@4958:  * _cur_dpi. When you are done, give restore _cur_dpi's original value
Darkvater@4958:  * @param *n the DrawPixelInfo that will be the clipping rectangle box allowed
Darkvater@4958:  * for drawing
Darkvater@4958:  * @param left,top,width,height the relative coordinates of the clipping
Darkvater@4958:  * rectangle relative to the current _cur_dpi. This will most likely be the
Darkvater@4958:  * offset from the calling window coordinates
Darkvater@4958:  * @return return false if the requested rectangle is not possible with the
Darkvater@4958:  * current dpi pointer. Only continue of the return value is true, or you'll
Darkvater@4958:  * get some nasty results */
tron@4429: bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
truelight@0: {
tron@4429: 	const DrawPixelInfo *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: 	if ((left -= o->left) < 0) {
tron@2010: 		width += left;
tron@4525: 		if (width <= 0) return false;
truelight@0: 		n->left = -left;
truelight@0: 		left = 0;
tron@4429: 	} else {
tron@4429: 		n->left = 0;
truelight@0: 	}
truelight@0: 
tron@4429: 	if (width > o->width - left) {
tron@4429: 		width = o->width - left;
tron@4525: 		if (width <= 0) return false;
truelight@0: 	}
truelight@0: 	n->width = width;
truelight@0: 
truelight@0: 	if ((top -= o->top) < 0) {
tron@2010: 		height += top;
tron@4525: 		if (height <= 0) return false;
truelight@0: 		n->top = -top;
truelight@0: 		top = 0;
tron@4429: 	} else {
tron@4429: 		n->top = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	n->dst_ptr = o->dst_ptr + left + top * (n->pitch = o->pitch);
truelight@0: 
tron@4429: 	if (height > o->height - top) {
tron@4429: 		height = o->height - top;
tron@4525: 		if (height <= 0) return false;
truelight@0: 	}
truelight@0: 	n->height = height;
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: 
tron@2010: 	if (cv->sprite == cursor) return;
truelight@0: 
celestar@2187: 	p = GetSprite(cursor & SPRITE_MASK);
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: {
tron@2010: 	if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0)
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: {
tron@2645: 	return
tron@2645: 		(_screen.width == w && _screen.height == h) ||
tron@2645: 		_video_driver->change_resolution(w, h);
truelight@0: }
darkvater@298: 
rubidium@5217: void ToggleFullScreen(bool fs)
rubidium@5217: {
rubidium@5217: 	_video_driver->toggle_fullscreen(fs);
rubidium@5217: 	if (_fullscreen != fs && _num_resolutions == 0) {
Darkvater@5568: 		DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
rubidium@5217: 	}
rubidium@5217: }
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: }