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00012 #include "stdafx.h"
00013 #include "gfx_func.h"
00014 #include "fontcache.h"
00015 #include "genworld.h"
00016 #include "zoom_func.h"
00017 #include "blitter/factory.hpp"
00018 #include "blitter/32bpp_optimized.hpp"
00019 #include "video/video_driver.hpp"
00020 #include "strings_func.h"
00021 #include "settings_type.h"
00022 #include "network/network.h"
00023 #include "network/network_func.h"
00024 #include "thread/thread.h"
00025 #include "window_func.h"
00026 #include "newgrf_debug.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, SpriteID sprite_id = SPR_CURSOR_MOUSE);
00060
00065 struct DrawStringParams {
00066 FontSize fontsize;
00067 TextColour cur_colour, prev_colour;
00068
00069 DrawStringParams(TextColour colour) : fontsize(FS_NORMAL), cur_colour(colour), prev_colour(colour) {}
00070
00075 FORCEINLINE void SetColour(TextColour c)
00076 {
00077 assert(c >= TC_BLUE && c <= TC_BLACK);
00078 this->prev_colour = this->cur_colour;
00079 this->cur_colour = c;
00080 }
00081
00083 FORCEINLINE void SetPreviousColour()
00084 {
00085 Swap(this->cur_colour, this->prev_colour);
00086 }
00087
00092 FORCEINLINE void SetFontSize(FontSize f)
00093 {
00094 this->fontsize = f;
00095 }
00096 };
00097
00098 static ReusableBuffer<uint8> _cursor_backup;
00099
00107 static Rect _invalid_rect;
00108 static const byte *_colour_remap_ptr;
00109 static byte _string_colourremap[3];
00110
00111 static const uint DIRTY_BLOCK_HEIGHT = 8;
00112 static const uint DIRTY_BLOCK_WIDTH = 64;
00113
00114 static uint _dirty_bytes_per_line = 0;
00115 static byte *_dirty_blocks = NULL;
00116
00117 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00118 {
00119 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00120
00121 if (xo == 0 && yo == 0) return;
00122
00123 if (_cursor.visible) UndrawMouseCursor();
00124
00125 #ifdef ENABLE_NETWORK
00126 if (_networking) NetworkUndrawChatMessage();
00127 #endif
00128
00129 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00130
00131 _video_driver->MakeDirty(left, top, width, height);
00132 }
00133
00134
00149 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00150 {
00151 Blitter_32bppOptimized *blitter = (Blitter_32bppOptimized *)BlitterFactoryBase::GetCurrentBlitter();
00152 const DrawPixelInfo *dpi = _cur_dpi;
00153 void *dst;
00154 const int otop = top;
00155 const int oleft = left;
00156
00157 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00158 if (left > right || top > bottom) return;
00159 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00160 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00161
00162 if ( (left -= dpi->left) < 0) left = 0;
00163 right = right - dpi->left + 1;
00164 if (right > dpi->width) right = dpi->width;
00165 right -= left;
00166 assert(right > 0);
00167
00168 if ( (top -= dpi->top) < 0) top = 0;
00169 bottom = bottom - dpi->top + 1;
00170 if (bottom > dpi->height) bottom = dpi->height;
00171 bottom -= top;
00172 assert(bottom > 0);
00173
00174 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00175
00176 switch (mode) {
00177 default:
00178 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00179 break;
00180
00181 case FILLRECT_RECOLOUR:
00182 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00183 break;
00184
00185 case FILLRECT_CHECKER: {
00186 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00187 do {
00188 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00189 dst = blitter->MoveTo(dst, 0, 1);
00190 } while (--bottom > 0);
00191 break;
00192 }
00193 }
00194 }
00195
00196 void GfxDrawLine(int x, int y, int x2, int y2, int colour)
00197 {
00198 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00199 DrawPixelInfo *dpi = _cur_dpi;
00200
00201 x -= dpi->left;
00202 x2 -= dpi->left;
00203 y -= dpi->top;
00204 y2 -= dpi->top;
00205
00206
00207 if (x < 0 && x2 < 0) return;
00208 if (y < 0 && y2 < 0) return;
00209 if (x > dpi->width && x2 > dpi->width) return;
00210 if (y > dpi->height && y2 > dpi->height) return;
00211
00212 blitter->DrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour);
00213 }
00214
00215 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00216 {
00217 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00218 DrawPixelInfo *dpi = _cur_dpi;
00219
00220 x -= dpi->left;
00221 x2 -= dpi->left;
00222 y -= dpi->top;
00223 y2 -= dpi->top;
00224
00225
00226 if (x < 0 && x2 < 0) return;
00227 if (y < 0 && y2 < 0) return;
00228 if (x > dpi->width && x2 > dpi->width) return;
00229 if (y > dpi->height && y2 > dpi->height) return;
00230
00231 blitter->DrawLine(dpi->dst_ptr, UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00232 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00233 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour);
00234 }
00235
00249 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00250 {
00251
00252
00253
00254
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266 static const byte colour = 15;
00267
00268
00269 GfxDrawLine(x, y, x + dx1, y + dy1, colour);
00270 GfxDrawLine(x, y, x + dx2, y + dy2, colour);
00271 GfxDrawLine(x, y, x + dx3, y + dy3, colour);
00272
00273 GfxDrawLine(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00274 GfxDrawLine(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00275 GfxDrawLine(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00276 GfxDrawLine(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00277 GfxDrawLine(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00278 GfxDrawLine(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00279 }
00280
00281 Colour _string_colourremap_32bpp[3];
00286 static void SetColourRemap(TextColour colour)
00287 {
00288 if (colour == TC_INVALID) return;
00289
00290
00291
00292 bool no_shade = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
00293 bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
00294 colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
00295
00296 _string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[_use_palette][colour];
00297 _string_colourremap[2] = no_shade ? 0 : (_use_palette == PAL_DOS ? 1 : 215);
00298 for (int i = 0; i < 3; i++) {
00299 _string_colourremap_32bpp[i].data = _cur_palette[_string_colourremap[i]].data;
00300 }
00301
00302 _colour_remap_ptr = (byte *)_string_colourremap_32bpp;
00303 }
00304
00305 #if !defined(WITH_ICU)
00306 typedef WChar UChar;
00307 static UChar *HandleBiDiAndArabicShapes(UChar *text) { return text; }
00308 #else
00309 #include <unicode/ubidi.h>
00310 #include <unicode/ushape.h>
00311
00341 static UChar *HandleBiDiAndArabicShapes(UChar *buffer)
00342 {
00343 static UChar input_output[DRAW_STRING_BUFFER];
00344 UChar intermediate[DRAW_STRING_BUFFER];
00345
00346 UChar *t = buffer;
00347 size_t length = 0;
00348 while (*t != '\0' && length < lengthof(input_output) - 1) {
00349 input_output[length++] = *t++;
00350 }
00351 input_output[length] = 0;
00352
00353 UErrorCode err = U_ZERO_ERROR;
00354 UBiDi *para = ubidi_openSized((int32_t)length, 0, &err);
00355 if (para == NULL) return buffer;
00356
00357 ubidi_setPara(para, input_output, (int32_t)length, _current_text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, NULL, &err);
00358 ubidi_writeReordered(para, intermediate, (int32_t)length, UBIDI_REMOVE_BIDI_CONTROLS, &err);
00359 length = u_shapeArabic(intermediate, (int32_t)length, input_output, lengthof(input_output), U_SHAPE_TEXT_DIRECTION_VISUAL_LTR | U_SHAPE_LETTERS_SHAPE, &err);
00360 ubidi_close(para);
00361
00362 if (U_FAILURE(err)) return buffer;
00363
00364 input_output[length] = '\0';
00365 return input_output;
00366 }
00367 #endif
00368
00369
00379 static int TruncateString(char *str, int maxw, bool ignore_setxy, FontSize start_fontsize)
00380 {
00381 int w = 0;
00382 FontSize size = start_fontsize;
00383 int ddd, ddd_w;
00384
00385 WChar c;
00386 char *ddd_pos;
00387
00388 ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
00389
00390 for (ddd_pos = str; (c = Utf8Consume(const_cast<const char **>(&str))) != '\0'; ) {
00391 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00392 w += GetCharacterWidth(size, c);
00393
00394 if (w > maxw) {
00395
00396
00397 for (int i = 0; *ddd_pos != '\0' && i < 3; i++, ddd_pos++) *ddd_pos = '.';
00398 *ddd_pos = '\0';
00399 return ddd_w;
00400 }
00401 } else {
00402 if (c == SCC_SETX) {
00403 if (!ignore_setxy) w = *str;
00404 str++;
00405 } else if (c == SCC_SETXY) {
00406 if (!ignore_setxy) w = *str;
00407 str += 2;
00408 } else if (c == SCC_TINYFONT) {
00409 size = FS_SMALL;
00410 ddd = GetCharacterWidth(size, '.') * 3;
00411 } else if (c == SCC_BIGFONT) {
00412 size = FS_LARGE;
00413 ddd = GetCharacterWidth(size, '.') * 3;
00414 } else if (c == '\n') {
00415 DEBUG(misc, 0, "Drawing string using newlines with DrawString instead of DrawStringMultiLine. Please notify the developers of this: [%s]", str);
00416 }
00417 }
00418
00419
00420 if (w + ddd < maxw) {
00421 ddd_w = w + ddd;
00422 ddd_pos = str;
00423 }
00424 }
00425
00426 return w;
00427 }
00428
00429 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped = false);
00430
00437 static int GetStringWidth(const UChar *str, FontSize start_fontsize)
00438 {
00439 FontSize size = start_fontsize;
00440 int max_width;
00441 int width;
00442 WChar c;
00443
00444 width = max_width = 0;
00445 for (;;) {
00446 c = *str++;
00447 if (c == 0) break;
00448 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00449 width += GetCharacterWidth(size, c);
00450 } else {
00451 switch (c) {
00452 case SCC_SETX:
00453 case SCC_SETXY:
00454
00455 NOT_REACHED();
00456 break;
00457 case SCC_TINYFONT: size = FS_SMALL; break;
00458 case SCC_BIGFONT: size = FS_LARGE; break;
00459 case '\n':
00460 max_width = max(max_width, width);
00461 break;
00462 }
00463 }
00464 }
00465
00466 return max(max_width, width);
00467 }
00468
00487 static int DrawString(int left, int right, int top, char *str, const char *last, DrawStringParams ¶ms, StringAlignment align, bool underline = false, bool truncate = true)
00488 {
00489
00490 int min_left = INT32_MAX;
00491 int max_right = INT32_MIN;
00492
00493 int initial_left = left;
00494 int initial_right = right;
00495 int initial_top = top;
00496
00497 if (truncate) TruncateString(str, right - left + 1, (align & SA_STRIP) == SA_STRIP, params.fontsize);
00498
00499
00500
00501
00502
00503
00504
00505 static SmallVector<UChar *, 4> setx_offsets;
00506 setx_offsets.Clear();
00507
00508 UChar draw_buffer[DRAW_STRING_BUFFER];
00509 UChar *p = draw_buffer;
00510
00511 *setx_offsets.Append() = p;
00512
00513 char *loc = str;
00514 for (;;) {
00515 WChar c;
00516
00517 size_t len = Utf8Decode(&c, loc);
00518 *p++ = c;
00519
00520 if (c == '\0') break;
00521 if (p >= lastof(draw_buffer) - 3) {
00522
00523 *p = '\0';
00524 break;
00525 }
00526 if (c != SCC_SETX && c != SCC_SETXY) {
00527 loc += len;
00528 continue;
00529 }
00530
00531 if (align & SA_STRIP) {
00532
00533
00534 *p-- = '\0';
00535 loc += len + (c == SCC_SETXY ? 2 : 1);
00536 continue;
00537 }
00538
00539 if ((align & SA_HOR_MASK) != SA_LEFT) {
00540 DEBUG(grf, 1, "Using SETX and/or SETXY when not aligned to the left. Fixing alignment...");
00541
00542
00543
00544
00545
00546 align = SA_LEFT | SA_FORCE;
00547 initial_left = left = max(left, (left + right - (int)GetStringBoundingBox(str).width) / 2);
00548 }
00549
00550
00551 if (p != draw_buffer) {
00552 *setx_offsets.Append() = p;
00553 p[-1] = '\0';
00554 *p++ = c;
00555 }
00556
00557
00558 loc += len;
00559
00560 *p++ = *loc++;
00561
00562 if (c == SCC_SETXY) *p++ = *loc++;
00563 }
00564
00565
00566 if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && !(align & SA_STRIP) && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
00567
00568 for (UChar **iter = setx_offsets.Begin(); iter != setx_offsets.End(); iter++) {
00569 UChar *to_draw = *iter;
00570 int offset = 0;
00571
00572
00573 if (*to_draw == SCC_SETX || *to_draw == SCC_SETXY) {
00574 to_draw++;
00575 offset = *to_draw++;
00576 if (*to_draw == SCC_SETXY) top = initial_top + *to_draw++;
00577 }
00578
00579 to_draw = HandleBiDiAndArabicShapes(to_draw);
00580 int w = GetStringWidth(to_draw, params.fontsize);
00581
00582
00583
00584
00585
00586
00587 switch (align & SA_HOR_MASK) {
00588 case SA_LEFT:
00589
00590 left = initial_left + offset;
00591 right = left + w - 1;
00592 break;
00593
00594 case SA_HOR_CENTER:
00595 left = RoundDivSU(initial_right + 1 + initial_left - w, 2);
00596
00597 right = left + w - 1;
00598 break;
00599
00600 case SA_RIGHT:
00601 left = initial_right + 1 - w - offset;
00602 break;
00603
00604 default:
00605 NOT_REACHED();
00606 }
00607
00608 min_left = min(left, min_left);
00609 max_right = max(right, max_right);
00610
00611 ReallyDoDrawString(to_draw, left, top, params, !truncate);
00612 if (underline) {
00613 GfxFillRect(left, top + FONT_HEIGHT_NORMAL, right, top + FONT_HEIGHT_NORMAL, _string_colourremap[1]);
00614 }
00615 }
00616
00617 return (align & SA_HOR_MASK) == SA_RIGHT ? min_left : max_right;
00618 }
00619
00633 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline)
00634 {
00635 char buffer[DRAW_STRING_BUFFER];
00636 strecpy(buffer, str, lastof(buffer));
00637 DrawStringParams params(colour);
00638 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00639 }
00640
00654 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline)
00655 {
00656 char buffer[DRAW_STRING_BUFFER];
00657 GetString(buffer, str, lastof(buffer));
00658 DrawStringParams params(colour);
00659 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00660 }
00661
00682 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw, FontSize size)
00683 {
00684 int num = 0;
00685
00686 assert(maxw > 0);
00687
00688 for (;;) {
00689
00690 char *last_space = NULL;
00691 int w = 0;
00692
00693 for (;;) {
00694 WChar c = Utf8Consume(const_cast<const char **>(&str));
00695
00696 if (IsWhitespace(c)) last_space = str;
00697
00698 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00699 int char_w = GetCharacterWidth(size, c);
00700 w += char_w;
00701 if (w > maxw) {
00702
00703
00704 if (w == char_w) {
00705
00706
00707 return num + (size << 16);
00708 }
00709 if (last_space == NULL) {
00710
00711
00712
00713
00714
00715
00716 str = Utf8PrevChar(str);
00717 size_t len = strlen(str);
00718 char *terminator = str + len;
00719
00720
00721
00722
00723 assert(terminator <= last);
00724 assert(*terminator == '\0');
00725
00726
00727 if (terminator == last) {
00728
00729
00730 *Utf8PrevChar(terminator) = '\0';
00731 len = strlen(str);
00732 }
00733
00734 memmove(str + 1, str, len + 1);
00735 *str = '\0';
00736
00737 str++;
00738 } else {
00739
00740 str = last_space;
00741 }
00742 break;
00743 }
00744 } else {
00745 switch (c) {
00746 case '\0': return num + (size << 16);
00747 case SCC_SETX: str++; break;
00748 case SCC_SETXY: str += 2; break;
00749 case SCC_TINYFONT: size = FS_SMALL; break;
00750 case SCC_BIGFONT: size = FS_LARGE; break;
00751 case '\n': goto end_of_inner_loop;
00752 }
00753 }
00754 }
00755 end_of_inner_loop:
00756
00757
00758
00759 num++;
00760 char *s = Utf8PrevChar(str);
00761 *s++ = '\0';
00762
00763
00764 if (str - s >= 1) {
00765 for (; str[-1] != '\0';) *s++ = *str++;
00766 }
00767 }
00768 }
00769
00770
00779 static int GetMultilineStringHeight(const char *src, int num, FontSize start_fontsize)
00780 {
00781 int maxy = 0;
00782 int y = 0;
00783 int fh = GetCharacterHeight(start_fontsize);
00784
00785 for (;;) {
00786 WChar c = Utf8Consume(&src);
00787
00788 switch (c) {
00789 case 0: y += fh; if (--num < 0) return maxy; break;
00790 case '\n': y += fh; break;
00791 case SCC_SETX: src++; break;
00792 case SCC_SETXY: src++; y = (int)*src++; break;
00793 case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
00794 case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
00795 default: maxy = max<int>(maxy, y + fh); break;
00796 }
00797 }
00798 }
00799
00800
00807 int GetStringHeight(StringID str, int maxw)
00808 {
00809 char buffer[DRAW_STRING_BUFFER];
00810
00811 GetString(buffer, str, lastof(buffer));
00812
00813 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00814
00815 return GetMultilineStringHeight(buffer, GB(tmp, 0, 16), FS_NORMAL);
00816 }
00817
00824 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00825 {
00826 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00827 return box;
00828 }
00829
00845 static int DrawStringMultiLine(int left, int right, int top, int bottom, char *str, const char *last, TextColour colour, StringAlignment align, bool underline)
00846 {
00847 int maxw = right - left + 1;
00848 int maxh = bottom - top + 1;
00849
00850
00851
00852 if (maxh <= 0) return top;
00853
00854 uint32 tmp = FormatStringLinebreaks(str, last, maxw);
00855 int num = GB(tmp, 0, 16) + 1;
00856
00857 int mt = GetCharacterHeight((FontSize)GB(tmp, 16, 16));
00858 int total_height = num * mt;
00859
00860 int skip_lines = 0;
00861 if (total_height > maxh) {
00862 if (maxh < mt) return top;
00863 if ((align & SA_VERT_MASK) == SA_BOTTOM) {
00864 skip_lines = num;
00865 num = maxh / mt;
00866 skip_lines -= num;
00867 } else {
00868 num = maxh / mt;
00869 }
00870 total_height = num * mt;
00871 }
00872
00873 int y;
00874 switch (align & SA_VERT_MASK) {
00875 case SA_TOP:
00876 y = top;
00877 break;
00878
00879 case SA_VERT_CENTER:
00880 y = RoundDivSU(bottom + top - total_height, 2);
00881 break;
00882
00883 case SA_BOTTOM:
00884 y = bottom - total_height;
00885 break;
00886
00887 default: NOT_REACHED();
00888 }
00889
00890 const char *src = str;
00891 DrawStringParams params(colour);
00892 int written_top = bottom;
00893 for (;;) {
00894 if (skip_lines == 0) {
00895 char buf2[DRAW_STRING_BUFFER];
00896 strecpy(buf2, src, lastof(buf2));
00897 DrawString(left, right, y, buf2, lastof(buf2), params, align, underline, false);
00898 if (written_top > y) written_top = y;
00899 y += mt;
00900 num--;
00901 }
00902
00903 for (;;) {
00904 WChar c = Utf8Consume(&src);
00905 if (c == 0) {
00906 break;
00907 } else if (c == SCC_SETX) {
00908 src++;
00909 } else if (c == SCC_SETXY) {
00910 src += 2;
00911 } else if (skip_lines > 0) {
00912
00913 if (c >= SCC_BLUE && c <= SCC_BLACK) {
00914 params.SetColour((TextColour)(c - SCC_BLUE));
00915 } else if (c == SCC_PREVIOUS_COLOUR) {
00916 params.SetPreviousColour();
00917 } else if (c == SCC_TINYFONT) {
00918 params.SetFontSize(FS_SMALL);
00919 } else if (c == SCC_BIGFONT) {
00920 params.SetFontSize(FS_LARGE);
00921 }
00922
00923 }
00924 }
00925 if (skip_lines > 0) skip_lines--;
00926 if (num == 0) return ((align & SA_VERT_MASK) == SA_BOTTOM) ? written_top : y;
00927 }
00928 }
00929
00944 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline)
00945 {
00946 char buffer[DRAW_STRING_BUFFER];
00947 strecpy(buffer, str, lastof(buffer));
00948 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00949 }
00950
00965 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline)
00966 {
00967 char buffer[DRAW_STRING_BUFFER];
00968 GetString(buffer, str, lastof(buffer));
00969 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00970 }
00971
00982 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
00983 {
00984 FontSize size = start_fontsize;
00985 Dimension br;
00986 uint max_width;
00987 WChar c;
00988
00989 br.width = br.height = max_width = 0;
00990 for (;;) {
00991 c = Utf8Consume(&str);
00992 if (c == 0) break;
00993 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00994 br.width += GetCharacterWidth(size, c);
00995 } else {
00996 switch (c) {
00997 case SCC_SETX: br.width = max((uint)*str++, br.width); break;
00998 case SCC_SETXY:
00999 br.width = max((uint)*str++, br.width);
01000 br.height = max((uint)*str++, br.height);
01001 break;
01002 case SCC_TINYFONT: size = FS_SMALL; break;
01003 case SCC_BIGFONT: size = FS_LARGE; break;
01004 case '\n':
01005 br.height += GetCharacterHeight(size);
01006 if (br.width > max_width) max_width = br.width;
01007 br.width = 0;
01008 break;
01009 }
01010 }
01011 }
01012 br.height += GetCharacterHeight(size);
01013
01014 br.width = max(br.width, max_width);
01015 return br;
01016 }
01017
01024 Dimension GetStringBoundingBox(StringID strid)
01025 {
01026 char buffer[DRAW_STRING_BUFFER];
01027
01028 GetString(buffer, strid, lastof(buffer));
01029 return GetStringBoundingBox(buffer);
01030 }
01031
01039 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
01040 {
01041 SetColourRemap(colour);
01042 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
01043 }
01044
01062 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped)
01063 {
01064 DrawPixelInfo *dpi = _cur_dpi;
01065 UChar c;
01066 int xo = x;
01067
01068 if (!parse_string_also_when_clipped) {
01069
01070
01071 if (x >= dpi->left + dpi->width || y >= dpi->top + dpi->height) return x;
01072 }
01073
01074 switch_colour:;
01075 SetColourRemap(params.cur_colour);
01076 check_bounds:
01077 if (y + _max_char_height <= dpi->top || dpi->top + dpi->height <= y) {
01078 skip_char:;
01079 for (;;) {
01080 c = *string++;
01081 if (!IsPrintable(c)) goto skip_cont;
01082 }
01083 }
01084
01085 for (;;) {
01086 c = *string++;
01087 skip_cont:;
01088 if (c == 0) {
01089 return x;
01090 }
01091 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
01092 if (x >= dpi->left + dpi->width) goto skip_char;
01093 if (x + _max_char_width >= dpi->left) {
01094 GfxMainBlitter(GetGlyph(params.fontsize, c), x, y, BM_COLOUR_OPAQUE);
01095 }
01096 x += GetCharacterWidth(params.fontsize, c);
01097 } else if (c == '\n') {
01098 x = xo;
01099 y += GetCharacterHeight(params.fontsize);
01100 goto check_bounds;
01101 } else if (c >= SCC_BLUE && c <= SCC_BLACK) {
01102 params.SetColour((TextColour)(c - SCC_BLUE));
01103 goto switch_colour;
01104 } else if (c == SCC_PREVIOUS_COLOUR) {
01105 params.SetPreviousColour();
01106 goto switch_colour;
01107 } else if (c == SCC_SETX || c == SCC_SETXY) {
01108
01109 NOT_REACHED();
01110 } else if (c == SCC_TINYFONT) {
01111 params.SetFontSize(FS_SMALL);
01112 } else if (c == SCC_BIGFONT) {
01113 params.SetFontSize(FS_LARGE);
01114 } else if (!IsTextDirectionChar(c)) {
01115 DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
01116 }
01117 }
01118 }
01119
01126 Dimension GetSpriteSize(SpriteID sprid)
01127 {
01128 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
01129
01130 Dimension d;
01131 d.width = max<int>(0, sprite->x_offs + sprite->width);
01132 d.height = max<int>(0, sprite->y_offs + sprite->height);
01133 return d;
01134 }
01135
01144 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
01145 {
01146 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
01147 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
01148 if (pal != PAL_NONE) {
01149 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR);
01150 }
01151 else {
01152 _colour_remap_ptr = NULL;
01153 }
01154 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite);
01155 } else if (HasBit(img, PALETTE_MODIFIER_SHADOW)){
01156 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_SHADOW, sub, real_sprite);
01157 } else if (pal != PAL_NONE) {
01158 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR);
01159 memcpy(&_colour_remap_ptr, _colour_remap_ptr + 257, sizeof(_colour_remap_ptr));
01160 if(pal >= PALETTE_RECOLOUR_START) {
01161 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite);
01162 } else {
01163 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_OPAQUE, sub, real_sprite);
01164 }
01165 } else {
01166 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite);
01167 }
01168 }
01169
01170 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
01171 {
01172 const DrawPixelInfo *dpi = _cur_dpi;
01173 Blitter::BlitterParams bp;
01174
01175
01176 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
01177 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
01178 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
01179 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
01180
01181 if (clip_left + clip_right >= sprite->width) return;
01182 if (clip_top + clip_bottom >= sprite->height) return;
01183
01184
01185 x += sprite->x_offs;
01186 y += sprite->y_offs;
01187
01188
01189 bp.sprite = sprite->data;
01190 bp.sprite_width = sprite->width;
01191 bp.sprite_height = sprite->height;
01192
01193 bp.width = (sprite->width - clip_left - clip_right) ;
01194 bp.height = (sprite->height - clip_top - clip_bottom) ;
01195 bp.top = 0;
01196 bp.left = 0;
01197 bp.skip_left = clip_left ;
01198 bp.skip_top = clip_top ;
01199
01200 x += bp.skip_left;
01201 y += bp.skip_top;
01202
01203 bp.dst = dpi->dst_ptr;
01204 bp.pitch = dpi->pitch;
01205 bp.remap = _colour_remap_ptr;
01206
01207 assert(sprite->width > 0);
01208 assert(sprite->height > 0);
01209
01210 if (bp.width <= 0) return;
01211 if (bp.height <= 0) return;
01212
01213 y -= dpi->top;
01214
01215
01216 if (y < 0) {
01217 bp.height -= -y;
01218 if (bp.height <= 0) return;
01219 bp.skip_top += -y;
01220 y = 0;
01221 } else {
01222 bp.top = y;
01223 }
01224
01225
01226
01227 y += bp.height - dpi->height;
01228
01229 if (y > 0) {
01230 bp.height -= y;
01231 if (bp.height <= 0) return;
01232 }
01233
01234 x -= dpi->left;
01235
01236 if (x < 0) {
01237 bp.width -= -x;
01238 if (bp.width <= 0) return;
01239 bp.skip_left += -x ;
01240 x = 0;
01241 } else {
01242 bp.left = x;
01243 }
01244
01245
01246 x += bp.width - dpi->width;
01247 if (x > 0) {
01248 bp.width -= x;
01249 if (bp.width <= 0) return;
01250 }
01251
01252
01253 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
01254 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01255 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
01256 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
01257
01258 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
01259
01260 if (topleft <= clicked && clicked <= bottomright) {
01261 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
01262 if (offset < (uint)bp.width) {
01263 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
01264 }
01265 }
01266 }
01267
01268 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
01269 }
01270
01271 void DoPaletteAnimations();
01272
01273 void GfxInitPalettes()
01274 {
01275 memcpy(_cur_palette, _palettes[_use_palette], sizeof(_cur_palette));
01276
01277 DoPaletteAnimations();
01278 _pal_first_dirty = 0;
01279 _pal_count_dirty = 256;
01280 }
01281
01282 #define EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16)
01283 #define EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16)
01284
01285 void DoPaletteAnimations()
01286 {
01287
01288 static int palette_animation_counter = 0;
01289 palette_animation_counter += 8;
01290
01291 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01292 const Colour *s;
01293 const ExtraPaletteValues *ev = &_extra_palette_values;
01294
01295
01296
01297 const int colour_rotation_amount = (_use_palette == PAL_DOS) ? PALETTE_ANIM_SIZE_DOS : PALETTE_ANIM_SIZE_WIN;
01298 Colour old_val[PALETTE_ANIM_SIZE_DOS];
01299 const int oldval_size = colour_rotation_amount * sizeof(*old_val);
01300 const uint old_tc = palette_animation_counter;
01301 uint i;
01302 uint j;
01303
01304 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01305 palette_animation_counter = 0;
01306 }
01307
01308 Colour *palette_pos = &_cur_palette[PALETTE_ANIM_SIZE_START];
01309
01310
01311 memcpy(old_val, palette_pos, oldval_size);
01312
01313
01314 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01315 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01316 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01317 *palette_pos++ = s[j];
01318 j++;
01319 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01320 }
01321
01322
01323 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01324 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01325 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01326 *palette_pos++ = s[j];
01327 j += 3;
01328 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01329 }
01330
01331
01332 s = ev->fizzy_drink;
01333 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01334 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01335 *palette_pos++ = s[j];
01336 j++;
01337 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01338 }
01339
01340
01341 s = ev->oil_refinery;
01342 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01343 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01344 *palette_pos++ = s[j];
01345 j++;
01346 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01347 }
01348
01349
01350 {
01351 byte i = (palette_animation_counter >> 1) & 0x7F;
01352 byte v;
01353
01354 if (i < 0x3f) {
01355 v = 255;
01356 } else if (i < 0x4A || i >= 0x75) {
01357 v = 128;
01358 } else {
01359 v = 20;
01360 }
01361 palette_pos->r = v;
01362 palette_pos->g = 0;
01363 palette_pos->b = 0;
01364 palette_pos++;
01365
01366 i ^= 0x40;
01367 if (i < 0x3f) {
01368 v = 255;
01369 } else if (i < 0x4A || i >= 0x75) {
01370 v = 128;
01371 } else {
01372 v = 20;
01373 }
01374 palette_pos->r = v;
01375 palette_pos->g = 0;
01376 palette_pos->b = 0;
01377 palette_pos++;
01378 }
01379
01380
01381 s = ev->lighthouse;
01382 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01383 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01384 *palette_pos++ = s[j];
01385 j++;
01386 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01387 }
01388
01389
01390 if (_use_palette == PAL_DOS) {
01391
01392 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01393 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01394 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01395 *palette_pos++ = s[j];
01396 j++;
01397 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01398 }
01399
01400
01401 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01402 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01403 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01404 *palette_pos++ = s[j];
01405 j += 3;
01406 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01407 }
01408 }
01409
01410 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01411 palette_animation_counter = old_tc;
01412 } else {
01413 if (memcmp(old_val, &_cur_palette[PALETTE_ANIM_SIZE_START], oldval_size) != 0) {
01414
01415 _pal_first_dirty = PALETTE_ANIM_SIZE_START;
01416 _pal_count_dirty = colour_rotation_amount;
01417 }
01418 }
01419 }
01420
01421
01423 void LoadStringWidthTable()
01424 {
01425 _max_char_height = 0;
01426 _max_char_width = 0;
01427
01428 for (FontSize fs = FS_BEGIN; fs < FS_END; fs++) {
01429 _max_char_height = max<int>(_max_char_height, GetCharacterHeight(fs));
01430 for (uint i = 0; i != 224; i++) {
01431 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01432 _max_char_width = max<int>(_max_char_width, _stringwidth_table[fs][i]);
01433 }
01434 }
01435
01436
01437 _max_char_height++;
01438 _max_char_width++;
01439
01440 ReInitAllWindows();
01441 }
01442
01449 byte GetCharacterWidth(FontSize size, WChar key)
01450 {
01451
01452 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01453
01454 return GetGlyphWidth(size, key);
01455 }
01456
01462 byte GetDigitWidth(FontSize size)
01463 {
01464 byte width = 0;
01465 for (char c = '0'; c <= '9'; c++) {
01466 width = max(GetCharacterWidth(size, c), width);
01467 }
01468 return width;
01469 }
01470
01471
01472 void ScreenSizeChanged()
01473 {
01474 _dirty_bytes_per_line = CeilDiv(_screen.width, DIRTY_BLOCK_WIDTH);
01475 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * CeilDiv(_screen.height, DIRTY_BLOCK_HEIGHT));
01476
01477
01478 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01479 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01480
01481
01482 _cursor.visible = false;
01483 }
01484
01485 void UndrawMouseCursor()
01486 {
01487
01488 if (_screen.dst_ptr == NULL) return;
01489
01490 if (_cursor.visible) {
01491 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01492 _cursor.visible = false;
01493 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);
01494 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01495 }
01496 }
01497
01498 void DrawMouseCursor()
01499 {
01500 #if defined(WINCE)
01501
01502 return;
01503 #endif
01504
01505
01506 if (_screen.dst_ptr == NULL) return;
01507
01508 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01509 int x;
01510 int y;
01511 int w;
01512 int h;
01513
01514
01515 if (!_cursor.in_window) return;
01516
01517
01518 if (_cursor.visible) {
01519 if (!_cursor.dirty) return;
01520 UndrawMouseCursor();
01521 }
01522
01523 w = _cursor.size.x;
01524 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01525 if (x < 0) {
01526 w += x;
01527 x = 0;
01528 }
01529 if (w > _screen.width - x) w = _screen.width - x;
01530 if (w <= 0) return;
01531 _cursor.draw_pos.x = x;
01532 _cursor.draw_size.x = w;
01533
01534 h = _cursor.size.y;
01535 y = _cursor.pos.y + _cursor.offs.y;
01536 if (y < 0) {
01537 h += y;
01538 y = 0;
01539 }
01540 if (h > _screen.height - y) h = _screen.height - y;
01541 if (h <= 0) return;
01542 _cursor.draw_pos.y = y;
01543 _cursor.draw_size.y = h;
01544
01545 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01546
01547
01548 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01549
01550
01551 _cur_dpi = &_screen;
01552 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01553
01554 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01555
01556 _cursor.visible = true;
01557 _cursor.dirty = false;
01558 }
01559
01560 void RedrawScreenRect(int left, int top, int right, int bottom)
01561 {
01562 assert(right <= _screen.width && bottom <= _screen.height);
01563 if (_cursor.visible) {
01564 if (right > _cursor.draw_pos.x &&
01565 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01566 bottom > _cursor.draw_pos.y &&
01567 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01568 UndrawMouseCursor();
01569 }
01570 }
01571
01572 #ifdef ENABLE_NETWORK
01573 if (_networking) NetworkUndrawChatMessage();
01574 #endif
01575
01576 DrawOverlappedWindowForAll(left, top, right, bottom);
01577
01578 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01579 }
01580
01586 void DrawDirtyBlocks()
01587 {
01588 byte *b = _dirty_blocks;
01589 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01590 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01591 int x;
01592 int y;
01593
01594 if (IsGeneratingWorld()) {
01595
01596
01597 _genworld_paint_mutex->EndCritical();
01598 _genworld_mapgen_mutex->EndCritical();
01599
01600
01601 CSleep(GENWORLD_REDRAW_TIMEOUT);
01602 _realtime_tick += GENWORLD_REDRAW_TIMEOUT;
01603 _genworld_paint_mutex->BeginCritical();
01604 _genworld_mapgen_mutex->BeginCritical();
01605 }
01606
01607 y = 0;
01608 do {
01609 x = 0;
01610 do {
01611 if (*b != 0) {
01612 int left;
01613 int top;
01614 int right = x + DIRTY_BLOCK_WIDTH;
01615 int bottom = y;
01616 byte *p = b;
01617 int h2;
01618
01619
01620 do {
01621 *p = 0;
01622 p += _dirty_bytes_per_line;
01623 bottom += DIRTY_BLOCK_HEIGHT;
01624 } while (bottom != h && *p != 0);
01625
01626
01627 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01628 assert(h2 > 0);
01629 p = b;
01630
01631 while (right != w) {
01632 byte *p2 = ++p;
01633 int h = h2;
01634
01635 do {
01636 if (!*p2) goto no_more_coalesc;
01637 p2 += _dirty_bytes_per_line;
01638 } while (--h != 0);
01639
01640
01641
01642 right += DIRTY_BLOCK_WIDTH;
01643
01644 h = h2;
01645 p2 = p;
01646 do {
01647 *p2 = 0;
01648 p2 += _dirty_bytes_per_line;
01649 } while (--h != 0);
01650 }
01651 no_more_coalesc:
01652
01653 left = x;
01654 top = y;
01655
01656 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01657 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01658 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01659 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01660
01661 if (left < right && top < bottom) {
01662 RedrawScreenRect(left, top, right, bottom);
01663 }
01664
01665 }
01666 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01667 } while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01668
01669 _invalid_rect.left = w;
01670 _invalid_rect.top = h;
01671 _invalid_rect.right = 0;
01672 _invalid_rect.bottom = 0;
01673 }
01674
01690 void SetDirtyBlocks(int left, int top, int right, int bottom)
01691 {
01692 byte *b;
01693 int width;
01694 int height;
01695 left -=7;
01696 right += 7;
01697 top -= 7;
01698 bottom += 7;
01699 if (left < 0) left = 0;
01700 if (top < 0) top = 0;
01701 if (right > _screen.width) right = _screen.width;
01702 if (bottom > _screen.height) bottom = _screen.height;
01703
01704 if (left >= right || top >= bottom) return;
01705
01706 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01707 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01708 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01709 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01710
01711 left /= DIRTY_BLOCK_WIDTH;
01712 top /= DIRTY_BLOCK_HEIGHT;
01713
01714 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01715
01716 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01717 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01718
01719 assert(width > 0 && height > 0);
01720
01721 do {
01722 int i = width;
01723
01724 do b[--i] = 0xFF; while (i);
01725
01726 b += _dirty_bytes_per_line;
01727 } while (--height != 0);
01728 }
01729
01736 void MarkWholeScreenDirty()
01737 {
01738 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01739 }
01740
01755 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01756 {
01757 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01758 const DrawPixelInfo *o = _cur_dpi;
01759
01760 n->zoom = ZOOM_LVL_NORMAL;
01761
01762 assert(width > 0);
01763 assert(height > 0);
01764
01765 if ((left -= o->left) < 0) {
01766 width += left;
01767 if (width <= 0) return false;
01768 n->left = -left;
01769 left = 0;
01770 } else {
01771 n->left = 0;
01772 }
01773
01774 if (width > o->width - left) {
01775 width = o->width - left;
01776 if (width <= 0) return false;
01777 }
01778 n->width = width;
01779
01780 if ((top -= o->top) < 0) {
01781 height += top;
01782 if (height <= 0) return false;
01783 n->top = -top;
01784 top = 0;
01785 } else {
01786 n->top = 0;
01787 }
01788
01789 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01790 n->pitch = o->pitch;
01791
01792 if (height > o->height - top) {
01793 height = o->height - top;
01794 if (height <= 0) return false;
01795 }
01796 n->height = height;
01797
01798 return true;
01799 }
01800
01805 void UpdateCursorSize()
01806 {
01807 CursorVars *cv = &_cursor;
01808 const Sprite *p = GetSprite(GB(cv->sprite, 0, SPRITE_WIDTH), ST_NORMAL);
01809
01810 cv->size.y = p->height;
01811 cv->size.x = p->width;
01812 cv->offs.x = p->x_offs;
01813 cv->offs.y = p->y_offs;
01814
01815 cv->dirty = true;
01816 }
01817
01823 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01824 {
01825 CursorVars *cv = &_cursor;
01826 if (cv->sprite == cursor) return;
01827
01828 cv->sprite = cursor;
01829 cv->pal = pal;
01830 UpdateCursorSize();
01831
01832 cv->short_vehicle_offset = 0;
01833 }
01834
01835 static void SwitchAnimatedCursor()
01836 {
01837 const AnimCursor *cur = _cursor.animate_cur;
01838
01839 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01840
01841 SetCursorSprite(cur->sprite, _cursor.pal);
01842
01843 _cursor.animate_timeout = cur->display_time;
01844 _cursor.animate_cur = cur + 1;
01845 }
01846
01847 void CursorTick()
01848 {
01849 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0) {
01850 SwitchAnimatedCursor();
01851 }
01852 }
01853
01860 void SetMouseCursor(CursorID sprite, PaletteID pal)
01861 {
01862
01863 _cursor.animate_timeout = 0;
01864
01865 SetCursorSprite(sprite, pal);
01866 }
01867
01873 void SetAnimatedMouseCursor(const AnimCursor *table)
01874 {
01875 _cursor.animate_list = table;
01876 _cursor.animate_cur = NULL;
01877 _cursor.pal = PAL_NONE;
01878 SwitchAnimatedCursor();
01879 }
01880
01881 bool ChangeResInGame(int width, int height)
01882 {
01883 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01884 }
01885
01886 bool ToggleFullScreen(bool fs)
01887 {
01888 bool result = _video_driver->ToggleFullscreen(fs);
01889 if (_fullscreen != fs && _num_resolutions == 0) {
01890 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01891 }
01892 return result;
01893 }
01894
01895 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01896 {
01897 int x = pa->width - pb->width;
01898 if (x != 0) return x;
01899 return pa->height - pb->height;
01900 }
01901
01902 void SortResolutions(int count)
01903 {
01904 QSortT(_resolutions, count, &compare_res);
01905 }