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00012 #include "stdafx.h"
00013 #include "gfx_func.h"
00014 #include "variables.h"
00015 #include "fontcache.h"
00016 #include "genworld.h"
00017 #include "zoom_func.h"
00018 #include "blitter/factory.hpp"
00019 #include "video/video_driver.hpp"
00020 #include "strings_func.h"
00021 #include "settings_type.h"
00022 #include "landscape_type.h"
00023 #include "network/network_func.h"
00024 #include "thread/thread.h"
00025 #include "window_func.h"
00026
00027 #include "table/palettes.h"
00028 #include "table/sprites.h"
00029 #include "table/control_codes.h"
00030
00031 byte _dirkeys;
00032 bool _fullscreen;
00033 CursorVars _cursor;
00034 bool _ctrl_pressed;
00035 bool _shift_pressed;
00036 byte _fast_forward;
00037 bool _left_button_down;
00038 bool _left_button_clicked;
00039 bool _right_button_down;
00040 bool _right_button_clicked;
00041 DrawPixelInfo _screen;
00042 bool _screen_disable_anim = false;
00043 bool _exit_game;
00044 GameMode _game_mode;
00045 SwitchMode _switch_mode;
00046 PauseModeByte _pause_mode;
00047 int _pal_first_dirty;
00048 int _pal_count_dirty;
00049
00050 Colour _cur_palette[256];
00051
00052 static int _max_char_height;
00053 static int _max_char_width;
00054 static byte _stringwidth_table[FS_END][224];
00055 DrawPixelInfo *_cur_dpi;
00056 byte _colour_gradient[COLOUR_END][8];
00057
00058 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL);
00059
00060 FontSize _cur_fontsize;
00061 static FontSize _last_fontsize;
00062 static ReusableBuffer<uint8> _cursor_backup;
00063
00071 static Rect _invalid_rect;
00072 static const byte *_colour_remap_ptr;
00073 static byte _string_colourremap[3];
00074
00075 enum {
00076 DIRTY_BLOCK_HEIGHT = 8,
00077 DIRTY_BLOCK_WIDTH = 64,
00078 };
00079 static uint _dirty_bytes_per_line = 0;
00080 static byte *_dirty_blocks = NULL;
00081
00082 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00083 {
00084 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00085
00086 if (xo == 0 && yo == 0) return;
00087
00088 if (_cursor.visible) UndrawMouseCursor();
00089
00090 #ifdef ENABLE_NETWORK
00091 NetworkUndrawChatMessage();
00092 #endif
00093
00094 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00095
00096 _video_driver->MakeDirty(left, top, width, height);
00097 }
00098
00099
00114 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00115 {
00116 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00117 const DrawPixelInfo *dpi = _cur_dpi;
00118 void *dst;
00119 const int otop = top;
00120 const int oleft = left;
00121
00122 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00123 if (left > right || top > bottom) return;
00124 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00125 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00126
00127 if ( (left -= dpi->left) < 0) left = 0;
00128 right = right - dpi->left + 1;
00129 if (right > dpi->width) right = dpi->width;
00130 right -= left;
00131 assert(right > 0);
00132
00133 if ( (top -= dpi->top) < 0) top = 0;
00134 bottom = bottom - dpi->top + 1;
00135 if (bottom > dpi->height) bottom = dpi->height;
00136 bottom -= top;
00137 assert(bottom > 0);
00138
00139 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00140
00141 switch (mode) {
00142 default:
00143 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00144 break;
00145
00146 case FILLRECT_RECOLOUR:
00147 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00148 break;
00149
00150 case FILLRECT_CHECKER: {
00151 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00152 do {
00153 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00154 dst = blitter->MoveTo(dst, 0, 1);
00155 } while (--bottom > 0);
00156 break;
00157 }
00158 }
00159 }
00160
00161 void GfxDrawLine(int x, int y, int x2, int y2, int colour)
00162 {
00163 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00164 DrawPixelInfo *dpi = _cur_dpi;
00165
00166 x -= dpi->left;
00167 x2 -= dpi->left;
00168 y -= dpi->top;
00169 y2 -= dpi->top;
00170
00171
00172 if (x < 0 && x2 < 0) return;
00173 if (y < 0 && y2 < 0) return;
00174 if (x > dpi->width && x2 > dpi->width) return;
00175 if (y > dpi->height && y2 > dpi->height) return;
00176
00177 blitter->DrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour);
00178 }
00179
00180 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00181 {
00182 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00183 DrawPixelInfo *dpi = _cur_dpi;
00184
00185 x -= dpi->left;
00186 x2 -= dpi->left;
00187 y -= dpi->top;
00188 y2 -= dpi->top;
00189
00190
00191 if (x < 0 && x2 < 0) return;
00192 if (y < 0 && y2 < 0) return;
00193 if (x > dpi->width && x2 > dpi->width) return;
00194 if (y > dpi->height && y2 > dpi->height) return;
00195
00196 blitter->DrawLine(dpi->dst_ptr, UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00197 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00198 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour);
00199 }
00200
00214 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00215 {
00216
00217
00218
00219
00220
00221
00222
00223
00224
00225
00226
00227
00228
00229
00230
00231 static const byte colour = 255;
00232
00233 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00234 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00235 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00236
00237 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00238 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00239 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00240 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00241 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00242 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00243 }
00244
00249 static void SetColourRemap(TextColour colour)
00250 {
00251 if (colour == TC_INVALID) return;
00252
00253 if (colour & IS_PALETTE_COLOUR) {
00254 _string_colourremap[1] = colour & ~IS_PALETTE_COLOUR;
00255 _string_colourremap[2] = (_use_palette == PAL_DOS) ? 1 : 215;
00256 } else {
00257 _string_colourremap[1] = _string_colourmap[_use_palette][colour].text;
00258 _string_colourremap[2] = _string_colourmap[_use_palette][colour].shadow;
00259 }
00260 _colour_remap_ptr = _string_colourremap;
00261 }
00262
00263 #if !defined(WITH_ICU)
00264 typedef WChar UChar;
00265 static UChar *HandleBiDiAndArabicShapes(UChar *text) { return text; }
00266 #else
00267 #include <unicode/ubidi.h>
00268 #include <unicode/ushape.h>
00269
00299 static UChar *HandleBiDiAndArabicShapes(UChar *buffer)
00300 {
00301 static UChar input_output[DRAW_STRING_BUFFER];
00302 UChar intermediate[DRAW_STRING_BUFFER];
00303
00304 UChar *t = buffer;
00305 size_t length = 0;
00306 while (*t != '\0' && length < lengthof(input_output) - 1) {
00307 input_output[length++] = *t++;
00308 }
00309 input_output[length] = 0;
00310
00311 UErrorCode err = U_ZERO_ERROR;
00312 UBiDi *para = ubidi_openSized((int32_t)length, 0, &err);
00313 if (para == NULL) return buffer;
00314
00315 ubidi_setPara(para, input_output, (int32_t)length, _dynlang.text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, NULL, &err);
00316 ubidi_writeReordered(para, intermediate, (int32_t)length, 0, &err);
00317 length = u_shapeArabic(intermediate, (int32_t)length, input_output, lengthof(input_output), U_SHAPE_TEXT_DIRECTION_VISUAL_LTR | U_SHAPE_LETTERS_SHAPE, &err);
00318 ubidi_close(para);
00319
00320 if (U_FAILURE(err)) return buffer;
00321
00322 input_output[length] = '\0';
00323 return input_output;
00324 }
00325 #endif
00326
00327
00335 static int TruncateString(char *str, int maxw, bool ignore_setxy)
00336 {
00337 int w = 0;
00338 FontSize size = _cur_fontsize;
00339 int ddd, ddd_w;
00340
00341 WChar c;
00342 char *ddd_pos;
00343
00344 ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
00345
00346 for (ddd_pos = str; (c = Utf8Consume(const_cast<const char **>(&str))) != '\0'; ) {
00347 if (IsPrintable(c)) {
00348 w += GetCharacterWidth(size, c);
00349
00350 if (w > maxw) {
00351
00352
00353 for (int i = 0; *ddd_pos != '\0' && i < 3; i++, ddd_pos++) *ddd_pos = '.';
00354 *ddd_pos = '\0';
00355 return ddd_w;
00356 }
00357 } else {
00358 if (c == SCC_SETX) {
00359 if (!ignore_setxy) w = *str;
00360 str++;
00361 } else if (c == SCC_SETXY) {
00362 if (!ignore_setxy) w = *str;
00363 str += 2;
00364 } else if (c == SCC_TINYFONT) {
00365 size = FS_SMALL;
00366 ddd = GetCharacterWidth(size, '.') * 3;
00367 } else if (c == SCC_BIGFONT) {
00368 size = FS_LARGE;
00369 ddd = GetCharacterWidth(size, '.') * 3;
00370 } else if (c == '\n') {
00371 DEBUG(misc, 0, "Drawing string using newlines with DrawString instead of DrawStringMultiLine. Please notify the developers of this: [%s]", str);
00372 }
00373 }
00374
00375
00376 if (w + ddd < maxw) {
00377 ddd_w = w + ddd;
00378 ddd_pos = str;
00379 }
00380 }
00381
00382 return w;
00383 }
00384
00385 static int ReallyDoDrawString(const UChar *string, int x, int y, TextColour &colour, bool parse_string_also_when_clipped = false);
00386
00392 static int GetStringWidth(const UChar *str)
00393 {
00394 FontSize size = _cur_fontsize;
00395 int max_width;
00396 int width;
00397 WChar c;
00398
00399 width = max_width = 0;
00400 for (;;) {
00401 c = *str++;
00402 if (c == 0) break;
00403 if (IsPrintable(c)) {
00404 width += GetCharacterWidth(size, c);
00405 } else {
00406 switch (c) {
00407 case SCC_SETX:
00408 case SCC_SETXY:
00409
00410 NOT_REACHED();
00411 break;
00412 case SCC_TINYFONT: size = FS_SMALL; break;
00413 case SCC_BIGFONT: size = FS_LARGE; break;
00414 case '\n':
00415 max_width = max(max_width, width);
00416 break;
00417 }
00418 }
00419 }
00420
00421 return max(max_width, width);
00422 }
00423
00442 static int DrawString(int left, int right, int top, char *str, const char *last, TextColour colour, StringAlignment align, bool underline = false, bool truncate = true)
00443 {
00444
00445 int min_left = INT32_MAX;
00446 int max_right = INT32_MIN;
00447
00448 int initial_left = left;
00449 int initial_right = right;
00450 int initial_top = top;
00451
00452 if (truncate) TruncateString(str, right - left + 1, (align & SA_STRIP) == SA_STRIP);
00453
00454
00455
00456
00457
00458
00459
00460 static SmallVector<UChar *, 4> setx_offsets;
00461 setx_offsets.Clear();
00462
00463 UChar draw_buffer[DRAW_STRING_BUFFER];
00464 UChar *p = draw_buffer;
00465
00466 *setx_offsets.Append() = p;
00467
00468 char *loc = str;
00469 for (;;) {
00470 WChar c;
00471
00472 size_t len = Utf8Decode(&c, loc);
00473 *p++ = c;
00474
00475 if (c == '\0') break;
00476 if (p >= lastof(draw_buffer) - 3) {
00477
00478 *p = '\0';
00479 break;
00480 }
00481 if (c != SCC_SETX && c != SCC_SETXY) {
00482 loc += len;
00483 continue;
00484 }
00485
00486 if (align & SA_STRIP) {
00487
00488
00489 *p-- = '\0';
00490 loc += len + (c == SCC_SETXY ? 2 : 1);
00491 continue;
00492 }
00493
00494 if ((align & SA_MASK) != SA_LEFT) {
00495 DEBUG(grf, 1, "Using SETX and/or SETXY when not aligned to the left. Fixing alignment...");
00496
00497
00498
00499
00500
00501 align = SA_LEFT | SA_FORCE;
00502 initial_left = left = max(left, (left + right - (int)GetStringBoundingBox(str).width) / 2);
00503 }
00504
00505
00506 if (p != draw_buffer) {
00507 *setx_offsets.Append() = p;
00508 p[-1] = '\0';
00509 *p++ = c;
00510 }
00511
00512
00513 loc += len;
00514
00515 *p++ = *loc++;
00516
00517 if (c == SCC_SETXY) *p++ = *loc++;
00518 }
00519
00520
00521 if (!(align & SA_FORCE) && _dynlang.text_dir == TD_RTL && align != SA_CENTER) align ^= SA_RIGHT;
00522
00523 for (UChar **iter = setx_offsets.Begin(); iter != setx_offsets.End(); iter++) {
00524 UChar *to_draw = *iter;
00525 int offset = 0;
00526
00527
00528 if (*to_draw == SCC_SETX || *to_draw == SCC_SETXY) {
00529 to_draw++;
00530 offset = *to_draw++;
00531 if (*to_draw == SCC_SETXY) top = initial_top + *to_draw++;
00532
00533 _cur_fontsize = _last_fontsize;
00534 }
00535
00536 to_draw = HandleBiDiAndArabicShapes(to_draw);
00537 int w = GetStringWidth(to_draw);
00538
00539
00540
00541
00542
00543
00544 switch (align & SA_MASK) {
00545 case SA_LEFT:
00546
00547 left = initial_left + offset;
00548 right = left + w - 1;
00549 break;
00550
00551 case SA_CENTER:
00552
00553 left = (initial_right + 1 + initial_left - w + 1) / 2;
00554
00555 right = left + w - 1;
00556 break;
00557
00558 case SA_RIGHT:
00559 left = initial_right + 1 - w - offset;
00560 break;
00561
00562 default:
00563 NOT_REACHED();
00564 }
00565
00566 min_left = min(left, min_left);
00567 max_right = max(right, max_right);
00568
00569 ReallyDoDrawString(to_draw, left, top, colour, !truncate);
00570 if (underline) {
00571 GfxFillRect(left, top + FONT_HEIGHT_NORMAL, right, top + FONT_HEIGHT_NORMAL, _string_colourremap[1]);
00572 }
00573 }
00574
00575 _cur_fontsize = FS_NORMAL;
00576
00577 return align == SA_RIGHT ? min_left : max_right;
00578 }
00579
00593 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline)
00594 {
00595 char buffer[DRAW_STRING_BUFFER];
00596 strecpy(buffer, str, lastof(buffer));
00597 return DrawString(left, right, top, buffer, lastof(buffer), colour, align, underline);
00598 }
00599
00613 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline)
00614 {
00615 char buffer[DRAW_STRING_BUFFER];
00616 GetString(buffer, str, lastof(buffer));
00617 return DrawString(left, right, top, buffer, lastof(buffer), colour, align, underline);
00618 }
00619
00639 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw)
00640 {
00641 FontSize size = _cur_fontsize;
00642 int num = 0;
00643
00644 assert(maxw > 0);
00645
00646 for (;;) {
00647
00648 char *last_space = NULL;
00649 int w = 0;
00650
00651 for (;;) {
00652 WChar c = Utf8Consume(const_cast<const char **>(&str));
00653
00654 if (IsWhitespace(c)) last_space = str;
00655
00656 if (IsPrintable(c)) {
00657 int char_w = GetCharacterWidth(size, c);
00658 w += char_w;
00659 if (w > maxw) {
00660
00661
00662 if (w == char_w) {
00663
00664
00665 return num + (size << 16);
00666 }
00667 if (last_space == NULL) {
00668
00669
00670
00671
00672
00673
00674 str = Utf8PrevChar(str);
00675 size_t len = strlen(str);
00676 char *terminator = str + len;
00677
00678
00679
00680
00681 assert(terminator <= last);
00682 assert(*terminator == '\0');
00683
00684
00685 if (terminator == last) {
00686
00687
00688 *Utf8PrevChar(terminator) = '\0';
00689 len = strlen(str);
00690 }
00691
00692 memmove(str + 1, str, len + 1);
00693 *str = '\0';
00694
00695 str++;
00696 } else {
00697
00698 str = last_space;
00699 }
00700 break;
00701 }
00702 } else {
00703 switch (c) {
00704 case '\0': return num + (size << 16);
00705 case SCC_SETX: str++; break;
00706 case SCC_SETXY: str += 2; break;
00707 case SCC_TINYFONT: size = FS_SMALL; break;
00708 case SCC_BIGFONT: size = FS_LARGE; break;
00709 case '\n': goto end_of_inner_loop;
00710 }
00711 }
00712 }
00713 end_of_inner_loop:
00714
00715
00716
00717 num++;
00718 char *s = Utf8PrevChar(str);
00719 *s++ = '\0';
00720
00721
00722 if (str - s >= 1) {
00723 for (; str[-1] != '\0';) *s++ = *str++;
00724 }
00725 }
00726 }
00727
00728
00735 static int GetMultilineStringHeight(const char *src, int num)
00736 {
00737 int maxy = 0;
00738 int y = 0;
00739 int fh = GetCharacterHeight(_cur_fontsize);
00740
00741 for (;;) {
00742 WChar c = Utf8Consume(&src);
00743
00744 switch (c) {
00745 case 0: y += fh; if (--num < 0) return maxy; break;
00746 case '\n': y += fh; break;
00747 case SCC_SETX: src++; break;
00748 case SCC_SETXY: src++; y = (int)*src++; break;
00749 case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
00750 case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
00751 default: maxy = max<int>(maxy, y + fh); break;
00752 }
00753 }
00754 }
00755
00756
00762 int GetStringHeight(StringID str, int maxw)
00763 {
00764 char buffer[DRAW_STRING_BUFFER];
00765
00766 GetString(buffer, str, lastof(buffer));
00767
00768 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00769
00770 return GetMultilineStringHeight(buffer, GB(tmp, 0, 16));
00771 }
00772
00778 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00779 {
00780 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00781 return box;
00782 }
00783
00800 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline)
00801 {
00802 int maxw = right - left + 1;
00803 int maxh = bottom - top + 1;
00804
00805
00806
00807 if (maxh <= 0) return top;
00808
00809 char buffer[DRAW_STRING_BUFFER];
00810 GetString(buffer, str, lastof(buffer));
00811
00812 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00813 int num = GB(tmp, 0, 16);
00814
00815 int mt = GetCharacterHeight((FontSize)GB(tmp, 16, 16));
00816 int total_height = (num + 1) * mt;
00817
00818 if (total_height > maxh) {
00819
00820 if (maxh < mt) return top;
00821
00822 num = maxh / mt - 1;
00823 total_height = (num + 1) * mt;
00824 }
00825
00826 int y = (align == SA_CENTER) ? (bottom + top - total_height + 1) / 2 : top;
00827 const char *src = buffer;
00828
00829 for (;;) {
00830 char buf2[DRAW_STRING_BUFFER];
00831 strecpy(buf2, src, lastof(buf2));
00832 DrawString(left, right, y, buf2, lastof(buf2), colour, align, underline, false);
00833 _cur_fontsize = _last_fontsize;
00834
00835 for (;;) {
00836 WChar c = Utf8Consume(&src);
00837 if (c == 0) {
00838 y += mt;
00839 if (--num < 0) {
00840 _cur_fontsize = FS_NORMAL;
00841 return y;
00842 }
00843 break;
00844 } else if (c == SCC_SETX) {
00845 src++;
00846 } else if (c == SCC_SETXY) {
00847 src += 2;
00848 }
00849 }
00850 }
00851 }
00852
00860 Dimension GetStringBoundingBox(const char *str)
00861 {
00862 FontSize size = _cur_fontsize;
00863 Dimension br;
00864 uint max_width;
00865 WChar c;
00866
00867 br.width = br.height = max_width = 0;
00868 for (;;) {
00869 c = Utf8Consume(&str);
00870 if (c == 0) break;
00871 if (IsPrintable(c)) {
00872 br.width += GetCharacterWidth(size, c);
00873 } else {
00874 switch (c) {
00875 case SCC_SETX: br.width = max((uint)*str++, br.width); break;
00876 case SCC_SETXY:
00877 br.width = max((uint)*str++, br.width);
00878 br.height = max((uint)*str++, br.height);
00879 break;
00880 case SCC_TINYFONT: size = FS_SMALL; break;
00881 case SCC_BIGFONT: size = FS_LARGE; break;
00882 case '\n':
00883 br.height += GetCharacterHeight(size);
00884 if (br.width > max_width) max_width = br.width;
00885 br.width = 0;
00886 break;
00887 }
00888 }
00889 }
00890 br.height += GetCharacterHeight(size);
00891
00892 br.width = max(br.width, max_width);
00893 return br;
00894 }
00895
00902 Dimension GetStringBoundingBox(StringID strid)
00903 {
00904 char buffer[DRAW_STRING_BUFFER];
00905
00906 GetString(buffer, strid, lastof(buffer));
00907 return GetStringBoundingBox(buffer);
00908 }
00909
00917 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
00918 {
00919 SetColourRemap(colour);
00920 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
00921 }
00922
00940 static int ReallyDoDrawString(const UChar *string, int x, int y, TextColour &colour, bool parse_string_also_when_clipped)
00941 {
00942 DrawPixelInfo *dpi = _cur_dpi;
00943 FontSize size = _cur_fontsize;
00944 UChar c;
00945 int xo = x;
00946
00947 TextColour previous_colour = colour;
00948
00949 if (!parse_string_also_when_clipped) {
00950
00951
00952 if (x >= dpi->left + dpi->width || y >= dpi->top + dpi->height) return x;
00953
00954 if (colour != TC_INVALID) {
00955 switch_colour:;
00956 SetColourRemap(colour);
00957 }
00958 }
00959
00960 check_bounds:
00961 if (y + _max_char_height <= dpi->top || dpi->top + dpi->height <= y) {
00962 skip_char:;
00963 for (;;) {
00964 c = *string++;
00965 if (!IsPrintable(c)) goto skip_cont;
00966 }
00967 }
00968
00969 for (;;) {
00970 c = *string++;
00971 skip_cont:;
00972 if (c == 0) {
00973 _last_fontsize = size;
00974 return x;
00975 }
00976 if (IsPrintable(c)) {
00977 if (x >= dpi->left + dpi->width) goto skip_char;
00978 if (x + _max_char_width >= dpi->left) {
00979 GfxMainBlitter(GetGlyph(size, c), x, y, BM_COLOUR_REMAP);
00980 }
00981 x += GetCharacterWidth(size, c);
00982 } else if (c == '\n') {
00983 x = xo;
00984 y += GetCharacterHeight(size);
00985 goto check_bounds;
00986 } else if (c >= SCC_BLUE && c <= SCC_BLACK) {
00987 previous_colour = colour;
00988 colour = (TextColour)(c - SCC_BLUE);
00989 goto switch_colour;
00990 } else if (c == SCC_PREVIOUS_COLOUR) {
00991 Swap(colour, previous_colour);
00992 goto switch_colour;
00993 } else if (c == SCC_SETX || c == SCC_SETXY) {
00994
00995 NOT_REACHED();
00996 } else if (c == SCC_TINYFONT) {
00997 size = FS_SMALL;
00998 } else if (c == SCC_BIGFONT) {
00999 size = FS_LARGE;
01000 } else {
01001 DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
01002 }
01003 }
01004 }
01005
01012 Dimension GetSpriteSize(SpriteID sprid)
01013 {
01014 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
01015
01016 Dimension d;
01017 d.width = max<int>(0, sprite->x_offs + sprite->width);
01018 d.height = max<int>(0, sprite->y_offs + sprite->height);
01019 return d;
01020 }
01021
01030 void DrawSprite(SpriteID img, SpriteID pal, int x, int y, const SubSprite *sub)
01031 {
01032 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
01033 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01034 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_TRANSPARENT, sub);
01035 } else if (pal != PAL_NONE) {
01036 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01037 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_COLOUR_REMAP, sub);
01038 } else {
01039 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_NORMAL, sub);
01040 }
01041 }
01042
01043 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub)
01044 {
01045 const DrawPixelInfo *dpi = _cur_dpi;
01046 Blitter::BlitterParams bp;
01047
01048
01049 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
01050 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
01051 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
01052 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
01053
01054 if (clip_left + clip_right >= sprite->width) return;
01055 if (clip_top + clip_bottom >= sprite->height) return;
01056
01057
01058 x += sprite->x_offs;
01059 y += sprite->y_offs;
01060
01061
01062 bp.sprite = sprite->data;
01063 bp.sprite_width = sprite->width;
01064 bp.sprite_height = sprite->height;
01065 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
01066 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
01067 bp.top = 0;
01068 bp.left = 0;
01069 bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
01070 bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
01071
01072 x += ScaleByZoom(bp.skip_left, dpi->zoom);
01073 y += ScaleByZoom(bp.skip_top, dpi->zoom);
01074
01075 bp.dst = dpi->dst_ptr;
01076 bp.pitch = dpi->pitch;
01077 bp.remap = _colour_remap_ptr;
01078
01079 assert(sprite->width > 0);
01080 assert(sprite->height > 0);
01081
01082 if (bp.width <= 0) return;
01083 if (bp.height <= 0) return;
01084
01085 y -= dpi->top;
01086
01087 if (y < 0) {
01088 bp.height -= -UnScaleByZoom(y, dpi->zoom);
01089 if (bp.height <= 0) return;
01090 bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
01091 y = 0;
01092 } else {
01093 bp.top = UnScaleByZoom(y, dpi->zoom);
01094 }
01095
01096
01097 y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
01098 if (y > 0) {
01099 bp.height -= UnScaleByZoom(y, dpi->zoom);
01100 if (bp.height <= 0) return;
01101 }
01102
01103 x -= dpi->left;
01104
01105 if (x < 0) {
01106 bp.width -= -UnScaleByZoom(x, dpi->zoom);
01107 if (bp.width <= 0) return;
01108 bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
01109 x = 0;
01110 } else {
01111 bp.left = UnScaleByZoom(x, dpi->zoom);
01112 }
01113
01114
01115 x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
01116 if (x > 0) {
01117 bp.width -= UnScaleByZoom(x, dpi->zoom);
01118 if (bp.width <= 0) return;
01119 }
01120
01121 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
01122 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
01123
01124 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
01125 }
01126
01127 void DoPaletteAnimations();
01128
01129 void GfxInitPalettes()
01130 {
01131 memcpy(_cur_palette, _palettes[_use_palette], sizeof(_cur_palette));
01132
01133 DoPaletteAnimations();
01134 _pal_first_dirty = 0;
01135 _pal_count_dirty = 256;
01136 }
01137
01138 #define EXTR(p, q) (((uint16)(_palette_animation_counter * (p)) * (q)) >> 16)
01139 #define EXTR2(p, q) (((uint16)(~_palette_animation_counter * (p)) * (q)) >> 16)
01140
01141 void DoPaletteAnimations()
01142 {
01143 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01144 const Colour *s;
01145 const ExtraPaletteValues *ev = &_extra_palette_values;
01146
01147
01148
01149 const int colour_rotation_amount = (_use_palette == PAL_DOS) ? PALETTE_ANIM_SIZE_DOS : PALETTE_ANIM_SIZE_WIN;
01150 Colour old_val[PALETTE_ANIM_SIZE_DOS];
01151 const int oldval_size = colour_rotation_amount * sizeof(*old_val);
01152 const uint old_tc = _palette_animation_counter;
01153 uint i;
01154 uint j;
01155
01156 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01157 _palette_animation_counter = 0;
01158 }
01159
01160 Colour *palette_pos = &_cur_palette[PALETTE_ANIM_SIZE_START];
01161
01162
01163 memcpy(old_val, palette_pos, oldval_size);
01164
01165
01166 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01167 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01168 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01169 *palette_pos++ = s[j];
01170 j++;
01171 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01172 }
01173
01174
01175 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01176 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01177 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01178 *palette_pos++ = s[j];
01179 j += 3;
01180 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01181 }
01182
01183
01184 s = ev->fizzy_drink;
01185 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01186 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01187 *palette_pos++ = s[j];
01188 j++;
01189 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01190 }
01191
01192
01193 s = ev->oil_refinery;
01194 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01195 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01196 *palette_pos++ = s[j];
01197 j++;
01198 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01199 }
01200
01201
01202 {
01203 byte i = (_palette_animation_counter >> 1) & 0x7F;
01204 byte v;
01205
01206 if (i < 0x3f) {
01207 v = 255;
01208 } else if (i < 0x4A || i >= 0x75) {
01209 v = 128;
01210 } else {
01211 v = 20;
01212 }
01213 palette_pos->r = v;
01214 palette_pos->g = 0;
01215 palette_pos->b = 0;
01216 palette_pos++;
01217
01218 i ^= 0x40;
01219 if (i < 0x3f) {
01220 v = 255;
01221 } else if (i < 0x4A || i >= 0x75) {
01222 v = 128;
01223 } else {
01224 v = 20;
01225 }
01226 palette_pos->r = v;
01227 palette_pos->g = 0;
01228 palette_pos->b = 0;
01229 palette_pos++;
01230 }
01231
01232
01233 s = ev->lighthouse;
01234 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01235 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01236 *palette_pos++ = s[j];
01237 j++;
01238 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01239 }
01240
01241
01242 if (_use_palette == PAL_DOS) {
01243
01244 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01245 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01246 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01247 *palette_pos++ = s[j];
01248 j++;
01249 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01250 }
01251
01252
01253 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01254 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01255 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01256 *palette_pos++ = s[j];
01257 j += 3;
01258 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01259 }
01260 }
01261
01262 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01263 _palette_animation_counter = old_tc;
01264 } else {
01265 if (memcmp(old_val, &_cur_palette[PALETTE_ANIM_SIZE_START], oldval_size) != 0) {
01266
01267 _pal_first_dirty = PALETTE_ANIM_SIZE_START;
01268 _pal_count_dirty = colour_rotation_amount;
01269 }
01270 }
01271 }
01272
01273
01275 void LoadStringWidthTable()
01276 {
01277 _max_char_height = 0;
01278 _max_char_width = 0;
01279
01280 for (FontSize fs = FS_BEGIN; fs < FS_END; fs++) {
01281 _max_char_height = max<int>(_max_char_height, GetCharacterHeight(fs));
01282 for (uint i = 0; i != 224; i++) {
01283 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01284 _max_char_width = max<int>(_max_char_width, _stringwidth_table[fs][i]);
01285 }
01286 }
01287
01288
01289 _max_char_height++;
01290 _max_char_width++;
01291
01292 ReInitAllWindows();
01293 }
01294
01301 byte GetCharacterWidth(FontSize size, WChar key)
01302 {
01303
01304 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01305
01306 return GetGlyphWidth(size, key);
01307 }
01308
01314 byte GetDigitWidth(FontSize size)
01315 {
01316 byte width = 0;
01317 for (char c = '0'; c <= '9'; c++) {
01318 width = max(GetCharacterWidth(size, c), width);
01319 }
01320 return width;
01321 }
01322
01323
01324 void ScreenSizeChanged()
01325 {
01326 _dirty_bytes_per_line = (_screen.width + DIRTY_BLOCK_WIDTH - 1) / DIRTY_BLOCK_WIDTH;
01327 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * ((_screen.height + DIRTY_BLOCK_HEIGHT - 1) / DIRTY_BLOCK_HEIGHT));
01328
01329
01330 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01331 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01332
01333
01334 _cursor.visible = false;
01335 }
01336
01337 void UndrawMouseCursor()
01338 {
01339
01340 if (_screen.dst_ptr == NULL) return;
01341
01342 if (_cursor.visible) {
01343 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01344 _cursor.visible = false;
01345 blitter->CopyFromBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), _cursor_backup.GetBuffer(), _cursor.draw_size.x, _cursor.draw_size.y);
01346 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01347 }
01348 }
01349
01350 void DrawMouseCursor()
01351 {
01352 #if defined(WINCE)
01353
01354 return;
01355 #endif
01356
01357
01358 if (_screen.dst_ptr == NULL) return;
01359
01360 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01361 int x;
01362 int y;
01363 int w;
01364 int h;
01365
01366
01367 if (!_cursor.in_window) return;
01368
01369
01370 if (_cursor.visible) {
01371 if (!_cursor.dirty) return;
01372 UndrawMouseCursor();
01373 }
01374
01375 w = _cursor.size.x;
01376 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01377 if (x < 0) {
01378 w += x;
01379 x = 0;
01380 }
01381 if (w > _screen.width - x) w = _screen.width - x;
01382 if (w <= 0) return;
01383 _cursor.draw_pos.x = x;
01384 _cursor.draw_size.x = w;
01385
01386 h = _cursor.size.y;
01387 y = _cursor.pos.y + _cursor.offs.y;
01388 if (y < 0) {
01389 h += y;
01390 y = 0;
01391 }
01392 if (h > _screen.height - y) h = _screen.height - y;
01393 if (h <= 0) return;
01394 _cursor.draw_pos.y = y;
01395 _cursor.draw_size.y = h;
01396
01397 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01398
01399
01400 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01401
01402
01403 _cur_dpi = &_screen;
01404 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01405
01406 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01407
01408 _cursor.visible = true;
01409 _cursor.dirty = false;
01410 }
01411
01412 void RedrawScreenRect(int left, int top, int right, int bottom)
01413 {
01414 assert(right <= _screen.width && bottom <= _screen.height);
01415 if (_cursor.visible) {
01416 if (right > _cursor.draw_pos.x &&
01417 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01418 bottom > _cursor.draw_pos.y &&
01419 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01420 UndrawMouseCursor();
01421 }
01422 }
01423
01424 #ifdef ENABLE_NETWORK
01425 NetworkUndrawChatMessage();
01426 #endif
01427
01428 DrawOverlappedWindowForAll(left, top, right, bottom);
01429
01430 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01431 }
01432
01438 void DrawDirtyBlocks()
01439 {
01440 byte *b = _dirty_blocks;
01441 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01442 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01443 int x;
01444 int y;
01445
01446 if (IsGeneratingWorld()) {
01447
01448
01449 _genworld_paint_mutex->EndCritical();
01450 _genworld_mapgen_mutex->EndCritical();
01451
01452
01453 CSleep(GENWORLD_REDRAW_TIMEOUT);
01454 _realtime_tick += GENWORLD_REDRAW_TIMEOUT;
01455 _genworld_paint_mutex->BeginCritical();
01456 _genworld_mapgen_mutex->BeginCritical();
01457 }
01458
01459 y = 0;
01460 do {
01461 x = 0;
01462 do {
01463 if (*b != 0) {
01464 int left;
01465 int top;
01466 int right = x + DIRTY_BLOCK_WIDTH;
01467 int bottom = y;
01468 byte *p = b;
01469 int h2;
01470
01471
01472 do {
01473 *p = 0;
01474 p += _dirty_bytes_per_line;
01475 bottom += DIRTY_BLOCK_HEIGHT;
01476 } while (bottom != h && *p != 0);
01477
01478
01479 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01480 assert(h2 > 0);
01481 p = b;
01482
01483 while (right != w) {
01484 byte *p2 = ++p;
01485 int h = h2;
01486
01487 do {
01488 if (!*p2) goto no_more_coalesc;
01489 p2 += _dirty_bytes_per_line;
01490 } while (--h != 0);
01491
01492
01493
01494 right += DIRTY_BLOCK_WIDTH;
01495
01496 h = h2;
01497 p2 = p;
01498 do {
01499 *p2 = 0;
01500 p2 += _dirty_bytes_per_line;
01501 } while (--h != 0);
01502 }
01503 no_more_coalesc:
01504
01505 left = x;
01506 top = y;
01507
01508 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01509 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01510 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01511 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01512
01513 if (left < right && top < bottom) {
01514 RedrawScreenRect(left, top, right, bottom);
01515 }
01516
01517 }
01518 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01519 } while (b += -(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01520
01521 _invalid_rect.left = w;
01522 _invalid_rect.top = h;
01523 _invalid_rect.right = 0;
01524 _invalid_rect.bottom = 0;
01525 }
01526
01542 void SetDirtyBlocks(int left, int top, int right, int bottom)
01543 {
01544 byte *b;
01545 int width;
01546 int height;
01547
01548 if (left < 0) left = 0;
01549 if (top < 0) top = 0;
01550 if (right > _screen.width) right = _screen.width;
01551 if (bottom > _screen.height) bottom = _screen.height;
01552
01553 if (left >= right || top >= bottom) return;
01554
01555 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01556 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01557 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01558 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01559
01560 left /= DIRTY_BLOCK_WIDTH;
01561 top /= DIRTY_BLOCK_HEIGHT;
01562
01563 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01564
01565 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01566 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01567
01568 assert(width > 0 && height > 0);
01569
01570 do {
01571 int i = width;
01572
01573 do b[--i] = 0xFF; while (i);
01574
01575 b += _dirty_bytes_per_line;
01576 } while (--height != 0);
01577 }
01578
01584 void MarkWholeScreenDirty()
01585 {
01586 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01587 }
01588
01601 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01602 {
01603 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01604 const DrawPixelInfo *o = _cur_dpi;
01605
01606 n->zoom = ZOOM_LVL_NORMAL;
01607
01608 assert(width > 0);
01609 assert(height > 0);
01610
01611 if ((left -= o->left) < 0) {
01612 width += left;
01613 if (width <= 0) return false;
01614 n->left = -left;
01615 left = 0;
01616 } else {
01617 n->left = 0;
01618 }
01619
01620 if (width > o->width - left) {
01621 width = o->width - left;
01622 if (width <= 0) return false;
01623 }
01624 n->width = width;
01625
01626 if ((top -= o->top) < 0) {
01627 height += top;
01628 if (height <= 0) return false;
01629 n->top = -top;
01630 top = 0;
01631 } else {
01632 n->top = 0;
01633 }
01634
01635 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01636 n->pitch = o->pitch;
01637
01638 if (height > o->height - top) {
01639 height = o->height - top;
01640 if (height <= 0) return false;
01641 }
01642 n->height = height;
01643
01644 return true;
01645 }
01646
01647 static void SetCursorSprite(SpriteID cursor, SpriteID pal)
01648 {
01649 CursorVars *cv = &_cursor;
01650 const Sprite *p;
01651
01652 if (cv->sprite == cursor) return;
01653
01654 p = GetSprite(GB(cursor, 0, SPRITE_WIDTH), ST_NORMAL);
01655 cv->sprite = cursor;
01656 cv->pal = pal;
01657 cv->size.y = p->height;
01658 cv->size.x = p->width;
01659 cv->offs.x = p->x_offs;
01660 cv->offs.y = p->y_offs;
01661
01662 cv->dirty = true;
01663 cv->short_vehicle_offset = 0;
01664 }
01665
01666 static void SwitchAnimatedCursor()
01667 {
01668 const AnimCursor *cur = _cursor.animate_cur;
01669
01670 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01671
01672 SetCursorSprite(cur->sprite, _cursor.pal);
01673
01674 _cursor.animate_timeout = cur->display_time;
01675 _cursor.animate_cur = cur + 1;
01676 }
01677
01678 void CursorTick()
01679 {
01680 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0)
01681 SwitchAnimatedCursor();
01682 }
01683
01684 void SetMouseCursor(SpriteID sprite, SpriteID pal)
01685 {
01686
01687 _cursor.animate_timeout = 0;
01688
01689 SetCursorSprite(sprite, pal);
01690 }
01691
01692 void SetAnimatedMouseCursor(const AnimCursor *table)
01693 {
01694 _cursor.animate_list = table;
01695 _cursor.animate_cur = NULL;
01696 _cursor.pal = PAL_NONE;
01697 SwitchAnimatedCursor();
01698 }
01699
01700 bool ChangeResInGame(int width, int height)
01701 {
01702 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01703 }
01704
01705 bool ToggleFullScreen(bool fs)
01706 {
01707 bool result = _video_driver->ToggleFullscreen(fs);
01708 if (_fullscreen != fs && _num_resolutions == 0) {
01709 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01710 }
01711 return result;
01712 }
01713
01714 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01715 {
01716 int x = pa->width - pb->width;
01717 if (x != 0) return x;
01718 return pa->height - pb->height;
01719 }
01720
01721 void SortResolutions(int count)
01722 {
01723 QSortT(_resolutions, count, &compare_res);
01724 }