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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.h"
00024 #include "network/network_func.h"
00025 #include "thread/thread.h"
00026 #include "window_func.h"
00027
00028 #include "table/palettes.h"
00029 #include "table/sprites.h"
00030 #include "table/control_codes.h"
00031
00032 byte _dirkeys;
00033 bool _fullscreen;
00034 CursorVars _cursor;
00035 bool _ctrl_pressed;
00036 bool _shift_pressed;
00037 byte _fast_forward;
00038 bool _left_button_down;
00039 bool _left_button_clicked;
00040 bool _right_button_down;
00041 bool _right_button_clicked;
00042 DrawPixelInfo _screen;
00043 bool _screen_disable_anim = false;
00044 bool _exit_game;
00045 GameMode _game_mode;
00046 SwitchMode _switch_mode;
00047 PauseModeByte _pause_mode;
00048 int _pal_first_dirty;
00049 int _pal_count_dirty;
00050
00051 Colour _cur_palette[256];
00052
00053 static int _max_char_height;
00054 static int _max_char_width;
00055 static byte _stringwidth_table[FS_END][224];
00056 DrawPixelInfo *_cur_dpi;
00057 byte _colour_gradient[COLOUR_END][8];
00058
00059 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL);
00060
00061 FontSize _cur_fontsize;
00062 static FontSize _last_fontsize;
00063 static ReusableBuffer<uint8> _cursor_backup;
00064
00072 static Rect _invalid_rect;
00073 static const byte *_colour_remap_ptr;
00074 static byte _string_colourremap[3];
00075
00076 enum {
00077 DIRTY_BLOCK_HEIGHT = 8,
00078 DIRTY_BLOCK_WIDTH = 64,
00079 };
00080 static uint _dirty_bytes_per_line = 0;
00081 static byte *_dirty_blocks = NULL;
00082
00083 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00084 {
00085 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00086
00087 if (xo == 0 && yo == 0) return;
00088
00089 if (_cursor.visible) UndrawMouseCursor();
00090
00091 #ifdef ENABLE_NETWORK
00092 if (_networking) NetworkUndrawChatMessage();
00093 #endif
00094
00095 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00096
00097 _video_driver->MakeDirty(left, top, width, height);
00098 }
00099
00100
00115 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00116 {
00117 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00118 const DrawPixelInfo *dpi = _cur_dpi;
00119 void *dst;
00120 const int otop = top;
00121 const int oleft = left;
00122
00123 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00124 if (left > right || top > bottom) return;
00125 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00126 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00127
00128 if ( (left -= dpi->left) < 0) left = 0;
00129 right = right - dpi->left + 1;
00130 if (right > dpi->width) right = dpi->width;
00131 right -= left;
00132 assert(right > 0);
00133
00134 if ( (top -= dpi->top) < 0) top = 0;
00135 bottom = bottom - dpi->top + 1;
00136 if (bottom > dpi->height) bottom = dpi->height;
00137 bottom -= top;
00138 assert(bottom > 0);
00139
00140 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00141
00142 switch (mode) {
00143 default:
00144 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00145 break;
00146
00147 case FILLRECT_RECOLOUR:
00148 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00149 break;
00150
00151 case FILLRECT_CHECKER: {
00152 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00153 do {
00154 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00155 dst = blitter->MoveTo(dst, 0, 1);
00156 } while (--bottom > 0);
00157 break;
00158 }
00159 }
00160 }
00161
00162 void GfxDrawLine(int x, int y, int x2, int y2, int colour)
00163 {
00164 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00165 DrawPixelInfo *dpi = _cur_dpi;
00166
00167 x -= dpi->left;
00168 x2 -= dpi->left;
00169 y -= dpi->top;
00170 y2 -= dpi->top;
00171
00172
00173 if (x < 0 && x2 < 0) return;
00174 if (y < 0 && y2 < 0) return;
00175 if (x > dpi->width && x2 > dpi->width) return;
00176 if (y > dpi->height && y2 > dpi->height) return;
00177
00178 blitter->DrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour);
00179 }
00180
00181 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00182 {
00183 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00184 DrawPixelInfo *dpi = _cur_dpi;
00185
00186 x -= dpi->left;
00187 x2 -= dpi->left;
00188 y -= dpi->top;
00189 y2 -= dpi->top;
00190
00191
00192 if (x < 0 && x2 < 0) return;
00193 if (y < 0 && y2 < 0) return;
00194 if (x > dpi->width && x2 > dpi->width) return;
00195 if (y > dpi->height && y2 > dpi->height) return;
00196
00197 blitter->DrawLine(dpi->dst_ptr, UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00198 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00199 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour);
00200 }
00201
00215 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00216 {
00217
00218
00219
00220
00221
00222
00223
00224
00225
00226
00227
00228
00229
00230
00231
00232 static const byte colour = 255;
00233
00234 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00235 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00236 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00237
00238 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00239 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00240 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00241 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00242 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00243 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00244 }
00245
00250 static void SetColourRemap(TextColour colour)
00251 {
00252 if (colour == TC_INVALID) return;
00253
00254 if (colour & IS_PALETTE_COLOUR) {
00255 _string_colourremap[1] = colour & ~IS_PALETTE_COLOUR;
00256 _string_colourremap[2] = (_use_palette == PAL_DOS) ? 1 : 215;
00257 } else {
00258 _string_colourremap[1] = _string_colourmap[_use_palette][colour].text;
00259 _string_colourremap[2] = _string_colourmap[_use_palette][colour].shadow;
00260 }
00261 _colour_remap_ptr = _string_colourremap;
00262 }
00263
00264 #if !defined(WITH_ICU)
00265 typedef WChar UChar;
00266 static UChar *HandleBiDiAndArabicShapes(UChar *text) { return text; }
00267 #else
00268 #include <unicode/ubidi.h>
00269 #include <unicode/ushape.h>
00270
00300 static UChar *HandleBiDiAndArabicShapes(UChar *buffer)
00301 {
00302 static UChar input_output[DRAW_STRING_BUFFER];
00303 UChar intermediate[DRAW_STRING_BUFFER];
00304
00305 UChar *t = buffer;
00306 size_t length = 0;
00307 while (*t != '\0' && length < lengthof(input_output) - 1) {
00308 input_output[length++] = *t++;
00309 }
00310 input_output[length] = 0;
00311
00312 UErrorCode err = U_ZERO_ERROR;
00313 UBiDi *para = ubidi_openSized((int32_t)length, 0, &err);
00314 if (para == NULL) return buffer;
00315
00316 ubidi_setPara(para, input_output, (int32_t)length, _dynlang.text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, NULL, &err);
00317 ubidi_writeReordered(para, intermediate, (int32_t)length, 0, &err);
00318 length = u_shapeArabic(intermediate, (int32_t)length, input_output, lengthof(input_output), U_SHAPE_TEXT_DIRECTION_VISUAL_LTR | U_SHAPE_LETTERS_SHAPE, &err);
00319 ubidi_close(para);
00320
00321 if (U_FAILURE(err)) return buffer;
00322
00323 input_output[length] = '\0';
00324 return input_output;
00325 }
00326 #endif
00327
00328
00336 static int TruncateString(char *str, int maxw, bool ignore_setxy)
00337 {
00338 int w = 0;
00339 FontSize size = _cur_fontsize;
00340 int ddd, ddd_w;
00341
00342 WChar c;
00343 char *ddd_pos;
00344
00345 ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
00346
00347 for (ddd_pos = str; (c = Utf8Consume(const_cast<const char **>(&str))) != '\0'; ) {
00348 if (IsPrintable(c)) {
00349 w += GetCharacterWidth(size, c);
00350
00351 if (w > maxw) {
00352
00353
00354 for (int i = 0; *ddd_pos != '\0' && i < 3; i++, ddd_pos++) *ddd_pos = '.';
00355 *ddd_pos = '\0';
00356 return ddd_w;
00357 }
00358 } else {
00359 if (c == SCC_SETX) {
00360 if (!ignore_setxy) w = *str;
00361 str++;
00362 } else if (c == SCC_SETXY) {
00363 if (!ignore_setxy) w = *str;
00364 str += 2;
00365 } else if (c == SCC_TINYFONT) {
00366 size = FS_SMALL;
00367 ddd = GetCharacterWidth(size, '.') * 3;
00368 } else if (c == SCC_BIGFONT) {
00369 size = FS_LARGE;
00370 ddd = GetCharacterWidth(size, '.') * 3;
00371 } else if (c == '\n') {
00372 DEBUG(misc, 0, "Drawing string using newlines with DrawString instead of DrawStringMultiLine. Please notify the developers of this: [%s]", str);
00373 }
00374 }
00375
00376
00377 if (w + ddd < maxw) {
00378 ddd_w = w + ddd;
00379 ddd_pos = str;
00380 }
00381 }
00382
00383 return w;
00384 }
00385
00386 static int ReallyDoDrawString(const UChar *string, int x, int y, TextColour &colour, bool parse_string_also_when_clipped = false);
00387
00393 static int GetStringWidth(const UChar *str)
00394 {
00395 FontSize size = _cur_fontsize;
00396 int max_width;
00397 int width;
00398 WChar c;
00399
00400 width = max_width = 0;
00401 for (;;) {
00402 c = *str++;
00403 if (c == 0) break;
00404 if (IsPrintable(c)) {
00405 width += GetCharacterWidth(size, c);
00406 } else {
00407 switch (c) {
00408 case SCC_SETX:
00409 case SCC_SETXY:
00410
00411 NOT_REACHED();
00412 break;
00413 case SCC_TINYFONT: size = FS_SMALL; break;
00414 case SCC_BIGFONT: size = FS_LARGE; break;
00415 case '\n':
00416 max_width = max(max_width, width);
00417 break;
00418 }
00419 }
00420 }
00421
00422 return max(max_width, width);
00423 }
00424
00443 static int DrawString(int left, int right, int top, char *str, const char *last, TextColour colour, StringAlignment align, bool underline = false, bool truncate = true)
00444 {
00445
00446 int min_left = INT32_MAX;
00447 int max_right = INT32_MIN;
00448
00449 int initial_left = left;
00450 int initial_right = right;
00451 int initial_top = top;
00452
00453 if (truncate) TruncateString(str, right - left + 1, (align & SA_STRIP) == SA_STRIP);
00454
00455
00456
00457
00458
00459
00460
00461 static SmallVector<UChar *, 4> setx_offsets;
00462 setx_offsets.Clear();
00463
00464 UChar draw_buffer[DRAW_STRING_BUFFER];
00465 UChar *p = draw_buffer;
00466
00467 *setx_offsets.Append() = p;
00468
00469 char *loc = str;
00470 for (;;) {
00471 WChar c;
00472
00473 size_t len = Utf8Decode(&c, loc);
00474 *p++ = c;
00475
00476 if (c == '\0') break;
00477 if (p >= lastof(draw_buffer) - 3) {
00478
00479 *p = '\0';
00480 break;
00481 }
00482 if (c != SCC_SETX && c != SCC_SETXY) {
00483 loc += len;
00484 continue;
00485 }
00486
00487 if (align & SA_STRIP) {
00488
00489
00490 *p-- = '\0';
00491 loc += len + (c == SCC_SETXY ? 2 : 1);
00492 continue;
00493 }
00494
00495 if ((align & SA_MASK) != SA_LEFT) {
00496 DEBUG(grf, 1, "Using SETX and/or SETXY when not aligned to the left. Fixing alignment...");
00497
00498
00499
00500
00501
00502 align = SA_LEFT | SA_FORCE;
00503 initial_left = left = max(left, (left + right - (int)GetStringBoundingBox(str).width) / 2);
00504 }
00505
00506
00507 if (p != draw_buffer) {
00508 *setx_offsets.Append() = p;
00509 p[-1] = '\0';
00510 *p++ = c;
00511 }
00512
00513
00514 loc += len;
00515
00516 *p++ = *loc++;
00517
00518 if (c == SCC_SETXY) *p++ = *loc++;
00519 }
00520
00521
00522 if (!(align & SA_FORCE) && _dynlang.text_dir == TD_RTL && align != SA_CENTER) align ^= SA_RIGHT;
00523
00524 for (UChar **iter = setx_offsets.Begin(); iter != setx_offsets.End(); iter++) {
00525 UChar *to_draw = *iter;
00526 int offset = 0;
00527
00528
00529 if (*to_draw == SCC_SETX || *to_draw == SCC_SETXY) {
00530 to_draw++;
00531 offset = *to_draw++;
00532 if (*to_draw == SCC_SETXY) top = initial_top + *to_draw++;
00533
00534 _cur_fontsize = _last_fontsize;
00535 }
00536
00537 to_draw = HandleBiDiAndArabicShapes(to_draw);
00538 int w = GetStringWidth(to_draw);
00539
00540
00541
00542
00543
00544
00545 switch (align & SA_MASK) {
00546 case SA_LEFT:
00547
00548 left = initial_left + offset;
00549 right = left + w - 1;
00550 break;
00551
00552 case SA_CENTER:
00553
00554 left = (initial_right + 1 + initial_left - w + 1) / 2;
00555
00556 right = left + w - 1;
00557 break;
00558
00559 case SA_RIGHT:
00560 left = initial_right + 1 - w - offset;
00561 break;
00562
00563 default:
00564 NOT_REACHED();
00565 }
00566
00567 min_left = min(left, min_left);
00568 max_right = max(right, max_right);
00569
00570 ReallyDoDrawString(to_draw, left, top, colour, !truncate);
00571 if (underline) {
00572 GfxFillRect(left, top + FONT_HEIGHT_NORMAL, right, top + FONT_HEIGHT_NORMAL, _string_colourremap[1]);
00573 }
00574 }
00575
00576 _cur_fontsize = FS_NORMAL;
00577
00578 return align == SA_RIGHT ? min_left : max_right;
00579 }
00580
00594 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline)
00595 {
00596 char buffer[DRAW_STRING_BUFFER];
00597 strecpy(buffer, str, lastof(buffer));
00598 return DrawString(left, right, top, buffer, lastof(buffer), colour, align, underline);
00599 }
00600
00614 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline)
00615 {
00616 char buffer[DRAW_STRING_BUFFER];
00617 GetString(buffer, str, lastof(buffer));
00618 return DrawString(left, right, top, buffer, lastof(buffer), colour, align, underline);
00619 }
00620
00640 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw)
00641 {
00642 FontSize size = _cur_fontsize;
00643 int num = 0;
00644
00645 assert(maxw > 0);
00646
00647 for (;;) {
00648
00649 char *last_space = NULL;
00650 int w = 0;
00651
00652 for (;;) {
00653 WChar c = Utf8Consume(const_cast<const char **>(&str));
00654
00655 if (IsWhitespace(c)) last_space = str;
00656
00657 if (IsPrintable(c)) {
00658 int char_w = GetCharacterWidth(size, c);
00659 w += char_w;
00660 if (w > maxw) {
00661
00662
00663 if (w == char_w) {
00664
00665
00666 return num + (size << 16);
00667 }
00668 if (last_space == NULL) {
00669
00670
00671
00672
00673
00674
00675 str = Utf8PrevChar(str);
00676 size_t len = strlen(str);
00677 char *terminator = str + len;
00678
00679
00680
00681
00682 assert(terminator <= last);
00683 assert(*terminator == '\0');
00684
00685
00686 if (terminator == last) {
00687
00688
00689 *Utf8PrevChar(terminator) = '\0';
00690 len = strlen(str);
00691 }
00692
00693 memmove(str + 1, str, len + 1);
00694 *str = '\0';
00695
00696 str++;
00697 } else {
00698
00699 str = last_space;
00700 }
00701 break;
00702 }
00703 } else {
00704 switch (c) {
00705 case '\0': return num + (size << 16);
00706 case SCC_SETX: str++; break;
00707 case SCC_SETXY: str += 2; break;
00708 case SCC_TINYFONT: size = FS_SMALL; break;
00709 case SCC_BIGFONT: size = FS_LARGE; break;
00710 case '\n': goto end_of_inner_loop;
00711 }
00712 }
00713 }
00714 end_of_inner_loop:
00715
00716
00717
00718 num++;
00719 char *s = Utf8PrevChar(str);
00720 *s++ = '\0';
00721
00722
00723 if (str - s >= 1) {
00724 for (; str[-1] != '\0';) *s++ = *str++;
00725 }
00726 }
00727 }
00728
00729
00736 static int GetMultilineStringHeight(const char *src, int num)
00737 {
00738 int maxy = 0;
00739 int y = 0;
00740 int fh = GetCharacterHeight(_cur_fontsize);
00741
00742 for (;;) {
00743 WChar c = Utf8Consume(&src);
00744
00745 switch (c) {
00746 case 0: y += fh; if (--num < 0) return maxy; break;
00747 case '\n': y += fh; break;
00748 case SCC_SETX: src++; break;
00749 case SCC_SETXY: src++; y = (int)*src++; break;
00750 case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
00751 case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
00752 default: maxy = max<int>(maxy, y + fh); break;
00753 }
00754 }
00755 }
00756
00757
00763 int GetStringHeight(StringID str, int maxw)
00764 {
00765 char buffer[DRAW_STRING_BUFFER];
00766
00767 GetString(buffer, str, lastof(buffer));
00768
00769 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00770
00771 return GetMultilineStringHeight(buffer, GB(tmp, 0, 16));
00772 }
00773
00779 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00780 {
00781 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00782 return box;
00783 }
00784
00801 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline)
00802 {
00803 int maxw = right - left + 1;
00804 int maxh = bottom - top + 1;
00805
00806
00807
00808 if (maxh <= 0) return top;
00809
00810 char buffer[DRAW_STRING_BUFFER];
00811 GetString(buffer, str, lastof(buffer));
00812
00813 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00814 int num = GB(tmp, 0, 16);
00815
00816 int mt = GetCharacterHeight((FontSize)GB(tmp, 16, 16));
00817 int total_height = (num + 1) * mt;
00818
00819 if (total_height > maxh) {
00820
00821 if (maxh < mt) return top;
00822
00823 num = maxh / mt - 1;
00824 total_height = (num + 1) * mt;
00825 }
00826
00827 int y = (align == SA_CENTER) ? (bottom + top - total_height + 1) / 2 : top;
00828 const char *src = buffer;
00829
00830 for (;;) {
00831 char buf2[DRAW_STRING_BUFFER];
00832 strecpy(buf2, src, lastof(buf2));
00833 DrawString(left, right, y, buf2, lastof(buf2), colour, align, underline, false);
00834 _cur_fontsize = _last_fontsize;
00835
00836 for (;;) {
00837 WChar c = Utf8Consume(&src);
00838 if (c == 0) {
00839 y += mt;
00840 if (--num < 0) {
00841 _cur_fontsize = FS_NORMAL;
00842 return y;
00843 }
00844 break;
00845 } else if (c == SCC_SETX) {
00846 src++;
00847 } else if (c == SCC_SETXY) {
00848 src += 2;
00849 }
00850 }
00851 }
00852 }
00853
00861 Dimension GetStringBoundingBox(const char *str)
00862 {
00863 FontSize size = _cur_fontsize;
00864 Dimension br;
00865 uint max_width;
00866 WChar c;
00867
00868 br.width = br.height = max_width = 0;
00869 for (;;) {
00870 c = Utf8Consume(&str);
00871 if (c == 0) break;
00872 if (IsPrintable(c)) {
00873 br.width += GetCharacterWidth(size, c);
00874 } else {
00875 switch (c) {
00876 case SCC_SETX: br.width = max((uint)*str++, br.width); break;
00877 case SCC_SETXY:
00878 br.width = max((uint)*str++, br.width);
00879 br.height = max((uint)*str++, br.height);
00880 break;
00881 case SCC_TINYFONT: size = FS_SMALL; break;
00882 case SCC_BIGFONT: size = FS_LARGE; break;
00883 case '\n':
00884 br.height += GetCharacterHeight(size);
00885 if (br.width > max_width) max_width = br.width;
00886 br.width = 0;
00887 break;
00888 }
00889 }
00890 }
00891 br.height += GetCharacterHeight(size);
00892
00893 br.width = max(br.width, max_width);
00894 return br;
00895 }
00896
00903 Dimension GetStringBoundingBox(StringID strid)
00904 {
00905 char buffer[DRAW_STRING_BUFFER];
00906
00907 GetString(buffer, strid, lastof(buffer));
00908 return GetStringBoundingBox(buffer);
00909 }
00910
00918 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
00919 {
00920 SetColourRemap(colour);
00921 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
00922 }
00923
00941 static int ReallyDoDrawString(const UChar *string, int x, int y, TextColour &colour, bool parse_string_also_when_clipped)
00942 {
00943 DrawPixelInfo *dpi = _cur_dpi;
00944 FontSize size = _cur_fontsize;
00945 UChar c;
00946 int xo = x;
00947
00948 TextColour previous_colour = colour;
00949
00950 if (!parse_string_also_when_clipped) {
00951
00952
00953 if (x >= dpi->left + dpi->width || y >= dpi->top + dpi->height) return x;
00954
00955 if (colour != TC_INVALID) {
00956 switch_colour:;
00957 SetColourRemap(colour);
00958 }
00959 }
00960
00961 check_bounds:
00962 if (y + _max_char_height <= dpi->top || dpi->top + dpi->height <= y) {
00963 skip_char:;
00964 for (;;) {
00965 c = *string++;
00966 if (!IsPrintable(c)) goto skip_cont;
00967 }
00968 }
00969
00970 for (;;) {
00971 c = *string++;
00972 skip_cont:;
00973 if (c == 0) {
00974 _last_fontsize = size;
00975 return x;
00976 }
00977 if (IsPrintable(c)) {
00978 if (x >= dpi->left + dpi->width) goto skip_char;
00979 if (x + _max_char_width >= dpi->left) {
00980 GfxMainBlitter(GetGlyph(size, c), x, y, BM_COLOUR_REMAP);
00981 }
00982 x += GetCharacterWidth(size, c);
00983 } else if (c == '\n') {
00984 x = xo;
00985 y += GetCharacterHeight(size);
00986 goto check_bounds;
00987 } else if (c >= SCC_BLUE && c <= SCC_BLACK) {
00988 previous_colour = colour;
00989 colour = (TextColour)(c - SCC_BLUE);
00990 goto switch_colour;
00991 } else if (c == SCC_PREVIOUS_COLOUR) {
00992 Swap(colour, previous_colour);
00993 goto switch_colour;
00994 } else if (c == SCC_SETX || c == SCC_SETXY) {
00995
00996 NOT_REACHED();
00997 } else if (c == SCC_TINYFONT) {
00998 size = FS_SMALL;
00999 } else if (c == SCC_BIGFONT) {
01000 size = FS_LARGE;
01001 } else {
01002 DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
01003 }
01004 }
01005 }
01006
01013 Dimension GetSpriteSize(SpriteID sprid)
01014 {
01015 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
01016
01017 Dimension d;
01018 d.width = max<int>(0, sprite->x_offs + sprite->width);
01019 d.height = max<int>(0, sprite->y_offs + sprite->height);
01020 return d;
01021 }
01022
01031 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
01032 {
01033 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
01034 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01035 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_TRANSPARENT, sub);
01036 } else if (pal != PAL_NONE) {
01037 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01038 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_COLOUR_REMAP, sub);
01039 } else {
01040 GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH), ST_NORMAL), x, y, BM_NORMAL, sub);
01041 }
01042 }
01043
01044 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub)
01045 {
01046 const DrawPixelInfo *dpi = _cur_dpi;
01047 Blitter::BlitterParams bp;
01048
01049
01050 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
01051 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
01052 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
01053 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
01054
01055 if (clip_left + clip_right >= sprite->width) return;
01056 if (clip_top + clip_bottom >= sprite->height) return;
01057
01058
01059 x += sprite->x_offs;
01060 y += sprite->y_offs;
01061
01062
01063 bp.sprite = sprite->data;
01064 bp.sprite_width = sprite->width;
01065 bp.sprite_height = sprite->height;
01066 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
01067 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
01068 bp.top = 0;
01069 bp.left = 0;
01070 bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
01071 bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
01072
01073 x += ScaleByZoom(bp.skip_left, dpi->zoom);
01074 y += ScaleByZoom(bp.skip_top, dpi->zoom);
01075
01076 bp.dst = dpi->dst_ptr;
01077 bp.pitch = dpi->pitch;
01078 bp.remap = _colour_remap_ptr;
01079
01080 assert(sprite->width > 0);
01081 assert(sprite->height > 0);
01082
01083 if (bp.width <= 0) return;
01084 if (bp.height <= 0) return;
01085
01086 y -= dpi->top;
01087
01088 if (y < 0) {
01089 bp.height -= -UnScaleByZoom(y, dpi->zoom);
01090 if (bp.height <= 0) return;
01091 bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
01092 y = 0;
01093 } else {
01094 bp.top = UnScaleByZoom(y, dpi->zoom);
01095 }
01096
01097
01098 y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
01099 if (y > 0) {
01100 bp.height -= UnScaleByZoom(y, dpi->zoom);
01101 if (bp.height <= 0) return;
01102 }
01103
01104 x -= dpi->left;
01105
01106 if (x < 0) {
01107 bp.width -= -UnScaleByZoom(x, dpi->zoom);
01108 if (bp.width <= 0) return;
01109 bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
01110 x = 0;
01111 } else {
01112 bp.left = UnScaleByZoom(x, dpi->zoom);
01113 }
01114
01115
01116 x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
01117 if (x > 0) {
01118 bp.width -= UnScaleByZoom(x, dpi->zoom);
01119 if (bp.width <= 0) return;
01120 }
01121
01122 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
01123 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
01124
01125 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
01126 }
01127
01128 void DoPaletteAnimations();
01129
01130 void GfxInitPalettes()
01131 {
01132 memcpy(_cur_palette, _palettes[_use_palette], sizeof(_cur_palette));
01133
01134 DoPaletteAnimations();
01135 _pal_first_dirty = 0;
01136 _pal_count_dirty = 256;
01137 }
01138
01139 #define EXTR(p, q) (((uint16)(_palette_animation_counter * (p)) * (q)) >> 16)
01140 #define EXTR2(p, q) (((uint16)(~_palette_animation_counter * (p)) * (q)) >> 16)
01141
01142 void DoPaletteAnimations()
01143 {
01144 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01145 const Colour *s;
01146 const ExtraPaletteValues *ev = &_extra_palette_values;
01147
01148
01149
01150 const int colour_rotation_amount = (_use_palette == PAL_DOS) ? PALETTE_ANIM_SIZE_DOS : PALETTE_ANIM_SIZE_WIN;
01151 Colour old_val[PALETTE_ANIM_SIZE_DOS];
01152 const int oldval_size = colour_rotation_amount * sizeof(*old_val);
01153 const uint old_tc = _palette_animation_counter;
01154 uint i;
01155 uint j;
01156
01157 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01158 _palette_animation_counter = 0;
01159 }
01160
01161 Colour *palette_pos = &_cur_palette[PALETTE_ANIM_SIZE_START];
01162
01163
01164 memcpy(old_val, palette_pos, oldval_size);
01165
01166
01167 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01168 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01169 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01170 *palette_pos++ = s[j];
01171 j++;
01172 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01173 }
01174
01175
01176 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01177 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01178 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01179 *palette_pos++ = s[j];
01180 j += 3;
01181 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01182 }
01183
01184
01185 s = ev->fizzy_drink;
01186 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01187 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01188 *palette_pos++ = s[j];
01189 j++;
01190 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01191 }
01192
01193
01194 s = ev->oil_refinery;
01195 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01196 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01197 *palette_pos++ = s[j];
01198 j++;
01199 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01200 }
01201
01202
01203 {
01204 byte i = (_palette_animation_counter >> 1) & 0x7F;
01205 byte v;
01206
01207 if (i < 0x3f) {
01208 v = 255;
01209 } else if (i < 0x4A || i >= 0x75) {
01210 v = 128;
01211 } else {
01212 v = 20;
01213 }
01214 palette_pos->r = v;
01215 palette_pos->g = 0;
01216 palette_pos->b = 0;
01217 palette_pos++;
01218
01219 i ^= 0x40;
01220 if (i < 0x3f) {
01221 v = 255;
01222 } else if (i < 0x4A || i >= 0x75) {
01223 v = 128;
01224 } else {
01225 v = 20;
01226 }
01227 palette_pos->r = v;
01228 palette_pos->g = 0;
01229 palette_pos->b = 0;
01230 palette_pos++;
01231 }
01232
01233
01234 s = ev->lighthouse;
01235 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01236 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01237 *palette_pos++ = s[j];
01238 j++;
01239 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01240 }
01241
01242
01243 if (_use_palette == PAL_DOS) {
01244
01245 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01246 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01247 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01248 *palette_pos++ = s[j];
01249 j++;
01250 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01251 }
01252
01253
01254 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01255 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01256 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01257 *palette_pos++ = s[j];
01258 j += 3;
01259 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01260 }
01261 }
01262
01263 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01264 _palette_animation_counter = old_tc;
01265 } else {
01266 if (memcmp(old_val, &_cur_palette[PALETTE_ANIM_SIZE_START], oldval_size) != 0) {
01267
01268 _pal_first_dirty = PALETTE_ANIM_SIZE_START;
01269 _pal_count_dirty = colour_rotation_amount;
01270 }
01271 }
01272 }
01273
01274
01276 void LoadStringWidthTable()
01277 {
01278 _max_char_height = 0;
01279 _max_char_width = 0;
01280
01281 for (FontSize fs = FS_BEGIN; fs < FS_END; fs++) {
01282 _max_char_height = max<int>(_max_char_height, GetCharacterHeight(fs));
01283 for (uint i = 0; i != 224; i++) {
01284 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01285 _max_char_width = max<int>(_max_char_width, _stringwidth_table[fs][i]);
01286 }
01287 }
01288
01289
01290 _max_char_height++;
01291 _max_char_width++;
01292
01293 ReInitAllWindows();
01294 }
01295
01302 byte GetCharacterWidth(FontSize size, WChar key)
01303 {
01304
01305 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01306
01307 return GetGlyphWidth(size, key);
01308 }
01309
01315 byte GetDigitWidth(FontSize size)
01316 {
01317 byte width = 0;
01318 for (char c = '0'; c <= '9'; c++) {
01319 width = max(GetCharacterWidth(size, c), width);
01320 }
01321 return width;
01322 }
01323
01324
01325 void ScreenSizeChanged()
01326 {
01327 _dirty_bytes_per_line = (_screen.width + DIRTY_BLOCK_WIDTH - 1) / DIRTY_BLOCK_WIDTH;
01328 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * ((_screen.height + DIRTY_BLOCK_HEIGHT - 1) / DIRTY_BLOCK_HEIGHT));
01329
01330
01331 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01332 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01333
01334
01335 _cursor.visible = false;
01336 }
01337
01338 void UndrawMouseCursor()
01339 {
01340
01341 if (_screen.dst_ptr == NULL) return;
01342
01343 if (_cursor.visible) {
01344 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01345 _cursor.visible = false;
01346 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);
01347 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01348 }
01349 }
01350
01351 void DrawMouseCursor()
01352 {
01353 #if defined(WINCE)
01354
01355 return;
01356 #endif
01357
01358
01359 if (_screen.dst_ptr == NULL) return;
01360
01361 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01362 int x;
01363 int y;
01364 int w;
01365 int h;
01366
01367
01368 if (!_cursor.in_window) return;
01369
01370
01371 if (_cursor.visible) {
01372 if (!_cursor.dirty) return;
01373 UndrawMouseCursor();
01374 }
01375
01376 w = _cursor.size.x;
01377 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01378 if (x < 0) {
01379 w += x;
01380 x = 0;
01381 }
01382 if (w > _screen.width - x) w = _screen.width - x;
01383 if (w <= 0) return;
01384 _cursor.draw_pos.x = x;
01385 _cursor.draw_size.x = w;
01386
01387 h = _cursor.size.y;
01388 y = _cursor.pos.y + _cursor.offs.y;
01389 if (y < 0) {
01390 h += y;
01391 y = 0;
01392 }
01393 if (h > _screen.height - y) h = _screen.height - y;
01394 if (h <= 0) return;
01395 _cursor.draw_pos.y = y;
01396 _cursor.draw_size.y = h;
01397
01398 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01399
01400
01401 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01402
01403
01404 _cur_dpi = &_screen;
01405 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01406
01407 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01408
01409 _cursor.visible = true;
01410 _cursor.dirty = false;
01411 }
01412
01413 void RedrawScreenRect(int left, int top, int right, int bottom)
01414 {
01415 assert(right <= _screen.width && bottom <= _screen.height);
01416 if (_cursor.visible) {
01417 if (right > _cursor.draw_pos.x &&
01418 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01419 bottom > _cursor.draw_pos.y &&
01420 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01421 UndrawMouseCursor();
01422 }
01423 }
01424
01425 #ifdef ENABLE_NETWORK
01426 if (_networking) NetworkUndrawChatMessage();
01427 #endif
01428
01429 DrawOverlappedWindowForAll(left, top, right, bottom);
01430
01431 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01432 }
01433
01439 void DrawDirtyBlocks()
01440 {
01441 byte *b = _dirty_blocks;
01442 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01443 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01444 int x;
01445 int y;
01446
01447 if (IsGeneratingWorld()) {
01448
01449
01450 _genworld_paint_mutex->EndCritical();
01451 _genworld_mapgen_mutex->EndCritical();
01452
01453
01454 CSleep(GENWORLD_REDRAW_TIMEOUT);
01455 _realtime_tick += GENWORLD_REDRAW_TIMEOUT;
01456 _genworld_paint_mutex->BeginCritical();
01457 _genworld_mapgen_mutex->BeginCritical();
01458 }
01459
01460 y = 0;
01461 do {
01462 x = 0;
01463 do {
01464 if (*b != 0) {
01465 int left;
01466 int top;
01467 int right = x + DIRTY_BLOCK_WIDTH;
01468 int bottom = y;
01469 byte *p = b;
01470 int h2;
01471
01472
01473 do {
01474 *p = 0;
01475 p += _dirty_bytes_per_line;
01476 bottom += DIRTY_BLOCK_HEIGHT;
01477 } while (bottom != h && *p != 0);
01478
01479
01480 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01481 assert(h2 > 0);
01482 p = b;
01483
01484 while (right != w) {
01485 byte *p2 = ++p;
01486 int h = h2;
01487
01488 do {
01489 if (!*p2) goto no_more_coalesc;
01490 p2 += _dirty_bytes_per_line;
01491 } while (--h != 0);
01492
01493
01494
01495 right += DIRTY_BLOCK_WIDTH;
01496
01497 h = h2;
01498 p2 = p;
01499 do {
01500 *p2 = 0;
01501 p2 += _dirty_bytes_per_line;
01502 } while (--h != 0);
01503 }
01504 no_more_coalesc:
01505
01506 left = x;
01507 top = y;
01508
01509 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01510 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01511 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01512 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01513
01514 if (left < right && top < bottom) {
01515 RedrawScreenRect(left, top, right, bottom);
01516 }
01517
01518 }
01519 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01520 } while (b += -(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01521
01522 _invalid_rect.left = w;
01523 _invalid_rect.top = h;
01524 _invalid_rect.right = 0;
01525 _invalid_rect.bottom = 0;
01526 }
01527
01543 void SetDirtyBlocks(int left, int top, int right, int bottom)
01544 {
01545 byte *b;
01546 int width;
01547 int height;
01548
01549 if (left < 0) left = 0;
01550 if (top < 0) top = 0;
01551 if (right > _screen.width) right = _screen.width;
01552 if (bottom > _screen.height) bottom = _screen.height;
01553
01554 if (left >= right || top >= bottom) return;
01555
01556 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01557 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01558 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01559 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01560
01561 left /= DIRTY_BLOCK_WIDTH;
01562 top /= DIRTY_BLOCK_HEIGHT;
01563
01564 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01565
01566 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01567 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01568
01569 assert(width > 0 && height > 0);
01570
01571 do {
01572 int i = width;
01573
01574 do b[--i] = 0xFF; while (i);
01575
01576 b += _dirty_bytes_per_line;
01577 } while (--height != 0);
01578 }
01579
01585 void MarkWholeScreenDirty()
01586 {
01587 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01588 }
01589
01602 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01603 {
01604 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01605 const DrawPixelInfo *o = _cur_dpi;
01606
01607 n->zoom = ZOOM_LVL_NORMAL;
01608
01609 assert(width > 0);
01610 assert(height > 0);
01611
01612 if ((left -= o->left) < 0) {
01613 width += left;
01614 if (width <= 0) return false;
01615 n->left = -left;
01616 left = 0;
01617 } else {
01618 n->left = 0;
01619 }
01620
01621 if (width > o->width - left) {
01622 width = o->width - left;
01623 if (width <= 0) return false;
01624 }
01625 n->width = width;
01626
01627 if ((top -= o->top) < 0) {
01628 height += top;
01629 if (height <= 0) return false;
01630 n->top = -top;
01631 top = 0;
01632 } else {
01633 n->top = 0;
01634 }
01635
01636 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01637 n->pitch = o->pitch;
01638
01639 if (height > o->height - top) {
01640 height = o->height - top;
01641 if (height <= 0) return false;
01642 }
01643 n->height = height;
01644
01645 return true;
01646 }
01647
01648 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01649 {
01650 CursorVars *cv = &_cursor;
01651 const Sprite *p;
01652
01653 if (cv->sprite == cursor) return;
01654
01655 p = GetSprite(GB(cursor, 0, SPRITE_WIDTH), ST_NORMAL);
01656 cv->sprite = cursor;
01657 cv->pal = pal;
01658 cv->size.y = p->height;
01659 cv->size.x = p->width;
01660 cv->offs.x = p->x_offs;
01661 cv->offs.y = p->y_offs;
01662
01663 cv->dirty = true;
01664 cv->short_vehicle_offset = 0;
01665 }
01666
01667 static void SwitchAnimatedCursor()
01668 {
01669 const AnimCursor *cur = _cursor.animate_cur;
01670
01671 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01672
01673 SetCursorSprite(cur->sprite, _cursor.pal);
01674
01675 _cursor.animate_timeout = cur->display_time;
01676 _cursor.animate_cur = cur + 1;
01677 }
01678
01679 void CursorTick()
01680 {
01681 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0)
01682 SwitchAnimatedCursor();
01683 }
01684
01685 void SetMouseCursor(CursorID sprite, PaletteID pal)
01686 {
01687
01688 _cursor.animate_timeout = 0;
01689
01690 SetCursorSprite(sprite, pal);
01691 }
01692
01693 void SetAnimatedMouseCursor(const AnimCursor *table)
01694 {
01695 _cursor.animate_list = table;
01696 _cursor.animate_cur = NULL;
01697 _cursor.pal = PAL_NONE;
01698 SwitchAnimatedCursor();
01699 }
01700
01701 bool ChangeResInGame(int width, int height)
01702 {
01703 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01704 }
01705
01706 bool ToggleFullScreen(bool fs)
01707 {
01708 bool result = _video_driver->ToggleFullscreen(fs);
01709 if (_fullscreen != fs && _num_resolutions == 0) {
01710 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01711 }
01712 return result;
01713 }
01714
01715 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01716 {
01717 int x = pa->width - pb->width;
01718 if (x != 0) return x;
01719 return pa->height - pb->height;
01720 }
01721
01722 void SortResolutions(int count)
01723 {
01724 QSortT(_resolutions, count, &compare_res);
01725 }