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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 "video/video_driver.hpp"
00019 #include "strings_func.h"
00020 #include "settings_type.h"
00021 #include "network/network.h"
00022 #include "network/network_func.h"
00023 #include "thread/thread.h"
00024 #include "window_func.h"
00025 #include "newgrf_debug.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, SpriteID sprite_id = SPR_CURSOR_MOUSE);
00059
00064 struct DrawStringParams {
00065 FontSize fontsize;
00066 TextColour cur_colour, prev_colour;
00067
00068 DrawStringParams(TextColour colour) : fontsize(FS_NORMAL), cur_colour(colour), prev_colour(colour) {}
00069
00074 FORCEINLINE void SetColour(TextColour c)
00075 {
00076 assert(c >= TC_BLUE && c <= TC_BLACK);
00077 this->prev_colour = this->cur_colour;
00078 this->cur_colour = c;
00079 }
00080
00082 FORCEINLINE void SetPreviousColour()
00083 {
00084 Swap(this->cur_colour, this->prev_colour);
00085 }
00086
00091 FORCEINLINE void SetFontSize(FontSize f)
00092 {
00093 this->fontsize = f;
00094 }
00095 };
00096
00097 static ReusableBuffer<uint8> _cursor_backup;
00098
00106 static Rect _invalid_rect;
00107 static const byte *_colour_remap_ptr;
00108 static byte _string_colourremap[3];
00109
00110 static const uint DIRTY_BLOCK_HEIGHT = 8;
00111 static const uint DIRTY_BLOCK_WIDTH = 64;
00112
00113 static uint _dirty_bytes_per_line = 0;
00114 static byte *_dirty_blocks = NULL;
00115
00116 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00117 {
00118 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00119
00120 if (xo == 0 && yo == 0) return;
00121
00122 if (_cursor.visible) UndrawMouseCursor();
00123
00124 #ifdef ENABLE_NETWORK
00125 if (_networking) NetworkUndrawChatMessage();
00126 #endif
00127
00128 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00129
00130 _video_driver->MakeDirty(left, top, width, height);
00131 }
00132
00133
00148 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00149 {
00150 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00151 const DrawPixelInfo *dpi = _cur_dpi;
00152 void *dst;
00153 const int otop = top;
00154 const int oleft = left;
00155
00156 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00157 if (left > right || top > bottom) return;
00158 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00159 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00160
00161 if ( (left -= dpi->left) < 0) left = 0;
00162 right = right - dpi->left + 1;
00163 if (right > dpi->width) right = dpi->width;
00164 right -= left;
00165 assert(right > 0);
00166
00167 if ( (top -= dpi->top) < 0) top = 0;
00168 bottom = bottom - dpi->top + 1;
00169 if (bottom > dpi->height) bottom = dpi->height;
00170 bottom -= top;
00171 assert(bottom > 0);
00172
00173 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00174
00175 switch (mode) {
00176 default:
00177 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00178 break;
00179
00180 case FILLRECT_RECOLOUR:
00181 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00182 break;
00183
00184 case FILLRECT_CHECKER: {
00185 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00186 do {
00187 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00188 dst = blitter->MoveTo(dst, 0, 1);
00189 } while (--bottom > 0);
00190 break;
00191 }
00192 }
00193 }
00194
00195 void GfxDrawLine(int x, int y, int x2, int y2, int colour, int width)
00196 {
00197 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00198 DrawPixelInfo *dpi = _cur_dpi;
00199
00200 assert(width > 0);
00201
00202 x -= dpi->left;
00203 x2 -= dpi->left;
00204 y -= dpi->top;
00205 y2 -= dpi->top;
00206
00207
00208 if (x + width / 2 < 0 && x2 + width / 2 < 0 ) return;
00209 if (y + width / 2 < 0 && y2 + width / 2 < 0 ) return;
00210 if (x - width / 2 > dpi->width && x2 - width / 2 > dpi->width ) return;
00211 if (y - width / 2 > dpi->height && y2 - width / 2 > dpi->height) return;
00212
00213 blitter->DrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour, width);
00214 }
00215
00216 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00217 {
00218 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00219 DrawPixelInfo *dpi = _cur_dpi;
00220
00221 x -= dpi->left;
00222 x2 -= dpi->left;
00223 y -= dpi->top;
00224 y2 -= dpi->top;
00225
00226
00227 if (x < 0 && x2 < 0) return;
00228 if (y < 0 && y2 < 0) return;
00229 if (x > dpi->width && x2 > dpi->width) return;
00230 if (y > dpi->height && y2 > dpi->height) return;
00231
00232 blitter->DrawLine(dpi->dst_ptr, UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00233 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00234 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour, 1);
00235 }
00236
00250 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00251 {
00252
00253
00254
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267 static const byte colour = PC_WHITE;
00268
00269 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00270 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00271 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00272
00273 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00274 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00275 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00276 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00277 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00278 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00279 }
00280
00285 static void SetColourRemap(TextColour colour)
00286 {
00287 if (colour == TC_INVALID) return;
00288
00289
00290
00291 bool no_shade = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
00292 bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
00293 colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
00294
00295 _string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[colour];
00296 _string_colourremap[2] = no_shade ? 0 : 1;
00297 _colour_remap_ptr = _string_colourremap;
00298 }
00299
00300 #if !defined(WITH_ICU)
00301 typedef WChar UChar;
00302 static UChar *HandleBiDiAndArabicShapes(UChar *text) { return text; }
00303 #else
00304 #include <unicode/ubidi.h>
00305 #include <unicode/ushape.h>
00306
00336 static UChar *HandleBiDiAndArabicShapes(UChar *buffer)
00337 {
00338 static UChar input_output[DRAW_STRING_BUFFER];
00339 UChar intermediate[DRAW_STRING_BUFFER];
00340
00341 UChar *t = buffer;
00342 size_t length = 0;
00343 while (*t != '\0' && length < lengthof(input_output) - 1) {
00344 input_output[length++] = *t++;
00345 }
00346 input_output[length] = 0;
00347
00348 UErrorCode err = U_ZERO_ERROR;
00349 UBiDi *para = ubidi_openSized((int32_t)length, 0, &err);
00350 if (para == NULL) return buffer;
00351
00352 ubidi_setPara(para, input_output, (int32_t)length, _current_text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, NULL, &err);
00353 ubidi_writeReordered(para, intermediate, (int32_t)length, UBIDI_REMOVE_BIDI_CONTROLS, &err);
00354 length = u_shapeArabic(intermediate, (int32_t)length, input_output, lengthof(input_output), U_SHAPE_TEXT_DIRECTION_VISUAL_LTR | U_SHAPE_LETTERS_SHAPE, &err);
00355 ubidi_close(para);
00356
00357 if (U_FAILURE(err)) return buffer;
00358
00359 input_output[length] = '\0';
00360 return input_output;
00361 }
00362 #endif
00363
00364
00374 static int TruncateString(char *str, int maxw, bool ignore_setxy, FontSize start_fontsize)
00375 {
00376 int w = 0;
00377 FontSize size = start_fontsize;
00378 int ddd, ddd_w;
00379
00380 WChar c;
00381 char *ddd_pos;
00382
00383 ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
00384
00385 for (ddd_pos = str; (c = Utf8Consume(const_cast<const char **>(&str))) != '\0'; ) {
00386 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00387 w += GetCharacterWidth(size, c);
00388
00389 if (w > maxw) {
00390
00391
00392 for (int i = 0; *ddd_pos != '\0' && i < 3; i++, ddd_pos++) *ddd_pos = '.';
00393 *ddd_pos = '\0';
00394 return ddd_w;
00395 }
00396 } else {
00397 if (c == SCC_SETX) {
00398 if (!ignore_setxy) w = *str;
00399 str++;
00400 } else if (c == SCC_SETXY) {
00401 if (!ignore_setxy) w = *str;
00402 str += 2;
00403 } else if (c == SCC_TINYFONT) {
00404 size = FS_SMALL;
00405 ddd = GetCharacterWidth(size, '.') * 3;
00406 } else if (c == SCC_BIGFONT) {
00407 size = FS_LARGE;
00408 ddd = GetCharacterWidth(size, '.') * 3;
00409 } else if (c == '\n') {
00410 DEBUG(misc, 0, "Drawing string using newlines with DrawString instead of DrawStringMultiLine. Please notify the developers of this: [%s]", str);
00411 }
00412 }
00413
00414
00415 if (w + ddd < maxw) {
00416 ddd_w = w + ddd;
00417 ddd_pos = str;
00418 }
00419 }
00420
00421 return w;
00422 }
00423
00424 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped = false);
00425
00432 static int GetStringWidth(const UChar *str, FontSize start_fontsize)
00433 {
00434 FontSize size = start_fontsize;
00435 int max_width;
00436 int width;
00437 WChar c;
00438
00439 width = max_width = 0;
00440 for (;;) {
00441 c = *str++;
00442 if (c == 0) break;
00443 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00444 width += GetCharacterWidth(size, c);
00445 } else {
00446 switch (c) {
00447 case SCC_SETX:
00448 case SCC_SETXY:
00449
00450 NOT_REACHED();
00451 break;
00452 case SCC_TINYFONT: size = FS_SMALL; break;
00453 case SCC_BIGFONT: size = FS_LARGE; break;
00454 case '\n':
00455 max_width = max(max_width, width);
00456 break;
00457 }
00458 }
00459 }
00460
00461 return max(max_width, width);
00462 }
00463
00482 static int DrawString(int left, int right, int top, char *str, const char *last, DrawStringParams ¶ms, StringAlignment align, bool underline = false, bool truncate = true)
00483 {
00484
00485 int min_left = INT32_MAX;
00486 int max_right = INT32_MIN;
00487
00488 int initial_left = left;
00489 int initial_right = right;
00490 int initial_top = top;
00491
00492 if (truncate) TruncateString(str, right - left + 1, (align & SA_STRIP) == SA_STRIP, params.fontsize);
00493
00494
00495
00496
00497
00498
00499
00500 static SmallVector<UChar *, 4> setx_offsets;
00501 setx_offsets.Clear();
00502
00503 UChar draw_buffer[DRAW_STRING_BUFFER];
00504 UChar *p = draw_buffer;
00505
00506 *setx_offsets.Append() = p;
00507
00508 char *loc = str;
00509 for (;;) {
00510 WChar c;
00511
00512 size_t len = Utf8Decode(&c, loc);
00513 *p++ = c;
00514
00515 if (c == '\0') break;
00516 if (p >= lastof(draw_buffer) - 3) {
00517
00518 *p = '\0';
00519 break;
00520 }
00521 if (c != SCC_SETX && c != SCC_SETXY) {
00522 loc += len;
00523 continue;
00524 }
00525
00526 if (align & SA_STRIP) {
00527
00528
00529 *p-- = '\0';
00530 loc += len + (c == SCC_SETXY ? 2 : 1);
00531 continue;
00532 }
00533
00534 if ((align & SA_HOR_MASK) != SA_LEFT) {
00535 DEBUG(grf, 1, "Using SETX and/or SETXY when not aligned to the left. Fixing alignment...");
00536
00537
00538
00539
00540
00541 align = SA_LEFT | SA_FORCE;
00542 initial_left = left = max(left, (left + right - (int)GetStringBoundingBox(str).width) / 2);
00543 }
00544
00545
00546 if (p != draw_buffer) {
00547 *setx_offsets.Append() = p;
00548 p[-1] = '\0';
00549 *p++ = c;
00550 }
00551
00552
00553 loc += len;
00554
00555 *p++ = *loc++;
00556
00557 if (c == SCC_SETXY) *p++ = *loc++;
00558 }
00559
00560
00561 if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && !(align & SA_STRIP) && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
00562
00563 for (UChar **iter = setx_offsets.Begin(); iter != setx_offsets.End(); iter++) {
00564 UChar *to_draw = *iter;
00565 int offset = 0;
00566
00567
00568 if (*to_draw == SCC_SETX || *to_draw == SCC_SETXY) {
00569 to_draw++;
00570 offset = *to_draw++;
00571 if (*to_draw == SCC_SETXY) top = initial_top + *to_draw++;
00572 }
00573
00574 to_draw = HandleBiDiAndArabicShapes(to_draw);
00575 int w = GetStringWidth(to_draw, params.fontsize);
00576
00577
00578
00579
00580
00581
00582 switch (align & SA_HOR_MASK) {
00583 case SA_LEFT:
00584
00585 left = initial_left + offset;
00586 right = left + w - 1;
00587 break;
00588
00589 case SA_HOR_CENTER:
00590 left = RoundDivSU(initial_right + 1 + initial_left - w, 2);
00591
00592 right = left + w - 1;
00593 break;
00594
00595 case SA_RIGHT:
00596 left = initial_right + 1 - w - offset;
00597 break;
00598
00599 default:
00600 NOT_REACHED();
00601 }
00602
00603 min_left = min(left, min_left);
00604 max_right = max(right, max_right);
00605
00606 ReallyDoDrawString(to_draw, left, top, params, !truncate);
00607 if (underline) {
00608 GfxFillRect(left, top + FONT_HEIGHT_NORMAL, right, top + FONT_HEIGHT_NORMAL, _string_colourremap[1]);
00609 }
00610 }
00611
00612 return (align & SA_HOR_MASK) == SA_RIGHT ? min_left : max_right;
00613 }
00614
00628 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline)
00629 {
00630 char buffer[DRAW_STRING_BUFFER];
00631 strecpy(buffer, str, lastof(buffer));
00632 DrawStringParams params(colour);
00633 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00634 }
00635
00649 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline)
00650 {
00651 char buffer[DRAW_STRING_BUFFER];
00652 GetString(buffer, str, lastof(buffer));
00653 DrawStringParams params(colour);
00654 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00655 }
00656
00677 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw, FontSize size)
00678 {
00679 int num = 0;
00680
00681 assert(maxw > 0);
00682
00683 for (;;) {
00684
00685 char *last_space = NULL;
00686 int w = 0;
00687
00688 for (;;) {
00689 WChar c = Utf8Consume(const_cast<const char **>(&str));
00690
00691 if (IsWhitespace(c)) last_space = str;
00692
00693 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00694 int char_w = GetCharacterWidth(size, c);
00695 w += char_w;
00696 if (w > maxw) {
00697
00698
00699 if (w == char_w) {
00700
00701
00702 return num + (size << 16);
00703 }
00704 if (last_space == NULL) {
00705
00706
00707
00708
00709
00710
00711 str = Utf8PrevChar(str);
00712 size_t len = strlen(str);
00713 char *terminator = str + len;
00714
00715
00716
00717
00718 assert(terminator <= last);
00719 assert(*terminator == '\0');
00720
00721
00722 if (terminator == last) {
00723
00724
00725 *Utf8PrevChar(terminator) = '\0';
00726 len = strlen(str);
00727 }
00728
00729 memmove(str + 1, str, len + 1);
00730 *str = '\0';
00731
00732 str++;
00733 } else {
00734
00735 str = last_space;
00736 }
00737 break;
00738 }
00739 } else {
00740 switch (c) {
00741 case '\0': return num + (size << 16);
00742 case SCC_SETX: str++; break;
00743 case SCC_SETXY: str += 2; break;
00744 case SCC_TINYFONT: size = FS_SMALL; break;
00745 case SCC_BIGFONT: size = FS_LARGE; break;
00746 case '\n': goto end_of_inner_loop;
00747 }
00748 }
00749 }
00750 end_of_inner_loop:
00751
00752
00753
00754 num++;
00755 char *s = Utf8PrevChar(str);
00756 *s++ = '\0';
00757
00758
00759 if (str - s >= 1) {
00760 for (; str[-1] != '\0';) *s++ = *str++;
00761 }
00762 }
00763 }
00764
00765
00774 static int GetMultilineStringHeight(const char *src, int num, FontSize start_fontsize)
00775 {
00776 int maxy = 0;
00777 int y = 0;
00778 int fh = GetCharacterHeight(start_fontsize);
00779
00780 for (;;) {
00781 WChar c = Utf8Consume(&src);
00782
00783 switch (c) {
00784 case 0: y += fh; if (--num < 0) return maxy; break;
00785 case '\n': y += fh; break;
00786 case SCC_SETX: src++; break;
00787 case SCC_SETXY: src++; y = (int)*src++; break;
00788 case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
00789 case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
00790 default: maxy = max<int>(maxy, y + fh); break;
00791 }
00792 }
00793 }
00794
00795
00802 int GetStringHeight(StringID str, int maxw)
00803 {
00804 char buffer[DRAW_STRING_BUFFER];
00805
00806 GetString(buffer, str, lastof(buffer));
00807
00808 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00809
00810 return GetMultilineStringHeight(buffer, GB(tmp, 0, 16), FS_NORMAL);
00811 }
00812
00819 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00820 {
00821 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00822 return box;
00823 }
00824
00840 static int DrawStringMultiLine(int left, int right, int top, int bottom, char *str, const char *last, TextColour colour, StringAlignment align, bool underline)
00841 {
00842 int maxw = right - left + 1;
00843 int maxh = bottom - top + 1;
00844
00845
00846
00847 if (maxh <= 0) return top;
00848
00849 uint32 tmp = FormatStringLinebreaks(str, last, maxw);
00850 int num = GB(tmp, 0, 16) + 1;
00851
00852 int mt = GetCharacterHeight((FontSize)GB(tmp, 16, 16));
00853 int total_height = num * mt;
00854
00855 int skip_lines = 0;
00856 if (total_height > maxh) {
00857 if (maxh < mt) return top;
00858 if ((align & SA_VERT_MASK) == SA_BOTTOM) {
00859 skip_lines = num;
00860 num = maxh / mt;
00861 skip_lines -= num;
00862 } else {
00863 num = maxh / mt;
00864 }
00865 total_height = num * mt;
00866 }
00867
00868 int y;
00869 switch (align & SA_VERT_MASK) {
00870 case SA_TOP:
00871 y = top;
00872 break;
00873
00874 case SA_VERT_CENTER:
00875 y = RoundDivSU(bottom + top - total_height, 2);
00876 break;
00877
00878 case SA_BOTTOM:
00879 y = bottom - total_height;
00880 break;
00881
00882 default: NOT_REACHED();
00883 }
00884
00885 const char *src = str;
00886 DrawStringParams params(colour);
00887 int written_top = bottom;
00888 for (;;) {
00889 if (skip_lines == 0) {
00890 char buf2[DRAW_STRING_BUFFER];
00891 strecpy(buf2, src, lastof(buf2));
00892 DrawString(left, right, y, buf2, lastof(buf2), params, align, underline, false);
00893 if (written_top > y) written_top = y;
00894 y += mt;
00895 num--;
00896 }
00897
00898 for (;;) {
00899 WChar c = Utf8Consume(&src);
00900 if (c == 0) {
00901 break;
00902 } else if (c == SCC_SETX) {
00903 src++;
00904 } else if (c == SCC_SETXY) {
00905 src += 2;
00906 } else if (skip_lines > 0) {
00907
00908 if (c >= SCC_BLUE && c <= SCC_BLACK) {
00909 params.SetColour((TextColour)(c - SCC_BLUE));
00910 } else if (c == SCC_PREVIOUS_COLOUR) {
00911 params.SetPreviousColour();
00912 } else if (c == SCC_TINYFONT) {
00913 params.SetFontSize(FS_SMALL);
00914 } else if (c == SCC_BIGFONT) {
00915 params.SetFontSize(FS_LARGE);
00916 }
00917
00918 }
00919 }
00920 if (skip_lines > 0) skip_lines--;
00921 if (num == 0) return ((align & SA_VERT_MASK) == SA_BOTTOM) ? written_top : y;
00922 }
00923 }
00924
00939 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline)
00940 {
00941 char buffer[DRAW_STRING_BUFFER];
00942 strecpy(buffer, str, lastof(buffer));
00943 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00944 }
00945
00960 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline)
00961 {
00962 char buffer[DRAW_STRING_BUFFER];
00963 GetString(buffer, str, lastof(buffer));
00964 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00965 }
00966
00977 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
00978 {
00979 FontSize size = start_fontsize;
00980 Dimension br;
00981 uint max_width;
00982 WChar c;
00983
00984 br.width = br.height = max_width = 0;
00985 for (;;) {
00986 c = Utf8Consume(&str);
00987 if (c == 0) break;
00988 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00989 br.width += GetCharacterWidth(size, c);
00990 } else {
00991 switch (c) {
00992 case SCC_SETX: br.width = max((uint)*str++, br.width); break;
00993 case SCC_SETXY:
00994 br.width = max((uint)*str++, br.width);
00995 br.height = max((uint)*str++, br.height);
00996 break;
00997 case SCC_TINYFONT: size = FS_SMALL; break;
00998 case SCC_BIGFONT: size = FS_LARGE; break;
00999 case '\n':
01000 br.height += GetCharacterHeight(size);
01001 if (br.width > max_width) max_width = br.width;
01002 br.width = 0;
01003 break;
01004 }
01005 }
01006 }
01007 br.height += GetCharacterHeight(size);
01008
01009 br.width = max(br.width, max_width);
01010 return br;
01011 }
01012
01019 Dimension GetStringBoundingBox(StringID strid)
01020 {
01021 char buffer[DRAW_STRING_BUFFER];
01022
01023 GetString(buffer, strid, lastof(buffer));
01024 return GetStringBoundingBox(buffer);
01025 }
01026
01034 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
01035 {
01036 SetColourRemap(colour);
01037 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
01038 }
01039
01057 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped)
01058 {
01059 DrawPixelInfo *dpi = _cur_dpi;
01060 UChar c;
01061 int xo = x;
01062
01063 if (!parse_string_also_when_clipped) {
01064
01065
01066 if (x >= dpi->left + dpi->width || y >= dpi->top + dpi->height) return x;
01067 }
01068
01069 switch_colour:;
01070 SetColourRemap(params.cur_colour);
01071
01072 check_bounds:
01073 if (y + _max_char_height <= dpi->top || dpi->top + dpi->height <= y) {
01074 skip_char:;
01075 for (;;) {
01076 c = *string++;
01077 if (!IsPrintable(c)) goto skip_cont;
01078 }
01079 }
01080
01081 for (;;) {
01082 c = *string++;
01083 skip_cont:;
01084 if (c == 0) {
01085 return x;
01086 }
01087 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
01088 if (x >= dpi->left + dpi->width) goto skip_char;
01089 if (x + _max_char_width >= dpi->left) {
01090 GfxMainBlitter(GetGlyph(params.fontsize, c), x, y, BM_COLOUR_REMAP);
01091 }
01092 x += GetCharacterWidth(params.fontsize, c);
01093 } else if (c == '\n') {
01094 x = xo;
01095 y += GetCharacterHeight(params.fontsize);
01096 goto check_bounds;
01097 } else if (c >= SCC_BLUE && c <= SCC_BLACK) {
01098 params.SetColour((TextColour)(c - SCC_BLUE));
01099 goto switch_colour;
01100 } else if (c == SCC_PREVIOUS_COLOUR) {
01101 params.SetPreviousColour();
01102 goto switch_colour;
01103 } else if (c == SCC_SETX || c == SCC_SETXY) {
01104
01105 NOT_REACHED();
01106 } else if (c == SCC_TINYFONT) {
01107 params.SetFontSize(FS_SMALL);
01108 } else if (c == SCC_BIGFONT) {
01109 params.SetFontSize(FS_LARGE);
01110 } else if (!IsTextDirectionChar(c)) {
01111 DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
01112 }
01113 }
01114 }
01115
01122 Dimension GetSpriteSize(SpriteID sprid)
01123 {
01124 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
01125
01126 Dimension d;
01127 d.width = max<int>(0, sprite->x_offs + sprite->width);
01128 d.height = max<int>(0, sprite->y_offs + sprite->height);
01129 return d;
01130 }
01131
01140 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
01141 {
01142 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
01143 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
01144 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01145 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite);
01146 } else if (pal != PAL_NONE) {
01147 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01148 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite);
01149 } else {
01150 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite);
01151 }
01152 }
01153
01154 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
01155 {
01156 const DrawPixelInfo *dpi = _cur_dpi;
01157 Blitter::BlitterParams bp;
01158
01159
01160 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
01161 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
01162 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
01163 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
01164
01165 if (clip_left + clip_right >= sprite->width) return;
01166 if (clip_top + clip_bottom >= sprite->height) return;
01167
01168
01169 x += sprite->x_offs;
01170 y += sprite->y_offs;
01171
01172
01173 bp.sprite = sprite->data;
01174 bp.sprite_width = sprite->width;
01175 bp.sprite_height = sprite->height;
01176 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
01177 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
01178 bp.top = 0;
01179 bp.left = 0;
01180 bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
01181 bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
01182
01183 x += ScaleByZoom(bp.skip_left, dpi->zoom);
01184 y += ScaleByZoom(bp.skip_top, dpi->zoom);
01185
01186 bp.dst = dpi->dst_ptr;
01187 bp.pitch = dpi->pitch;
01188 bp.remap = _colour_remap_ptr;
01189
01190 assert(sprite->width > 0);
01191 assert(sprite->height > 0);
01192
01193 if (bp.width <= 0) return;
01194 if (bp.height <= 0) return;
01195
01196 y -= dpi->top;
01197
01198 if (y < 0) {
01199 bp.height -= -UnScaleByZoom(y, dpi->zoom);
01200 if (bp.height <= 0) return;
01201 bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
01202 y = 0;
01203 } else {
01204 bp.top = UnScaleByZoom(y, dpi->zoom);
01205 }
01206
01207
01208 y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
01209 if (y > 0) {
01210 bp.height -= UnScaleByZoom(y, dpi->zoom);
01211 if (bp.height <= 0) return;
01212 }
01213
01214 x -= dpi->left;
01215
01216 if (x < 0) {
01217 bp.width -= -UnScaleByZoom(x, dpi->zoom);
01218 if (bp.width <= 0) return;
01219 bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
01220 x = 0;
01221 } else {
01222 bp.left = UnScaleByZoom(x, dpi->zoom);
01223 }
01224
01225
01226 x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
01227 if (x > 0) {
01228 bp.width -= UnScaleByZoom(x, dpi->zoom);
01229 if (bp.width <= 0) return;
01230 }
01231
01232 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
01233 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
01234
01235
01236 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
01237 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01238 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
01239 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
01240
01241 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
01242
01243 if (topleft <= clicked && clicked <= bottomright) {
01244 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
01245 if (offset < (uint)bp.width) {
01246 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
01247 }
01248 }
01249 }
01250
01251 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
01252 }
01253
01254 void DoPaletteAnimations();
01255
01256 void GfxInitPalettes()
01257 {
01258 memcpy(_cur_palette, _palette, sizeof(_cur_palette));
01259
01260 DoPaletteAnimations();
01261 _pal_first_dirty = 0;
01262 _pal_count_dirty = 256;
01263 }
01264
01265 #define EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16)
01266 #define EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16)
01267
01268 void DoPaletteAnimations()
01269 {
01270
01271 static int palette_animation_counter = 0;
01272 palette_animation_counter += 8;
01273
01274 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01275 const Colour *s;
01276 const ExtraPaletteValues *ev = &_extra_palette_values;
01277 Colour old_val[PALETTE_ANIM_SIZE];
01278 const uint old_tc = palette_animation_counter;
01279 uint i;
01280 uint j;
01281
01282 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01283 palette_animation_counter = 0;
01284 }
01285
01286 Colour *palette_pos = &_cur_palette[PALETTE_ANIM_START];
01287
01288
01289 memcpy(old_val, palette_pos, sizeof(old_val));
01290
01291
01292 s = ev->fizzy_drink;
01293 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01294 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01295 *palette_pos++ = s[j];
01296 j++;
01297 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01298 }
01299
01300
01301 s = ev->oil_refinery;
01302 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01303 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01304 *palette_pos++ = s[j];
01305 j++;
01306 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01307 }
01308
01309
01310 {
01311 byte i = (palette_animation_counter >> 1) & 0x7F;
01312 byte v;
01313
01314 if (i < 0x3f) {
01315 v = 255;
01316 } else if (i < 0x4A || i >= 0x75) {
01317 v = 128;
01318 } else {
01319 v = 20;
01320 }
01321 palette_pos->r = v;
01322 palette_pos->g = 0;
01323 palette_pos->b = 0;
01324 palette_pos++;
01325
01326 i ^= 0x40;
01327 if (i < 0x3f) {
01328 v = 255;
01329 } else if (i < 0x4A || i >= 0x75) {
01330 v = 128;
01331 } else {
01332 v = 20;
01333 }
01334 palette_pos->r = v;
01335 palette_pos->g = 0;
01336 palette_pos->b = 0;
01337 palette_pos++;
01338 }
01339
01340
01341 s = ev->lighthouse;
01342 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01343 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01344 *palette_pos++ = s[j];
01345 j++;
01346 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01347 }
01348
01349
01350 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01351 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01352 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01353 *palette_pos++ = s[j];
01354 j++;
01355 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01356 }
01357
01358
01359 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01360 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01361 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01362 *palette_pos++ = s[j];
01363 j += 3;
01364 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01365 }
01366
01367 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01368 palette_animation_counter = old_tc;
01369 } else {
01370 if (memcmp(old_val, &_cur_palette[PALETTE_ANIM_START], sizeof(old_val)) != 0) {
01371
01372 _pal_first_dirty = PALETTE_ANIM_START;
01373 _pal_count_dirty = PALETTE_ANIM_SIZE;
01374 }
01375 }
01376 }
01377
01378
01380 void LoadStringWidthTable()
01381 {
01382 _max_char_height = 0;
01383 _max_char_width = 0;
01384
01385 for (FontSize fs = FS_BEGIN; fs < FS_END; fs++) {
01386 _max_char_height = max<int>(_max_char_height, GetCharacterHeight(fs));
01387 for (uint i = 0; i != 224; i++) {
01388 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01389 _max_char_width = max<int>(_max_char_width, _stringwidth_table[fs][i]);
01390 }
01391 }
01392
01393
01394 _max_char_height++;
01395 _max_char_width++;
01396
01397 ReInitAllWindows();
01398 }
01399
01406 byte GetCharacterWidth(FontSize size, WChar key)
01407 {
01408
01409 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01410
01411 return GetGlyphWidth(size, key);
01412 }
01413
01419 byte GetDigitWidth(FontSize size)
01420 {
01421 byte width = 0;
01422 for (char c = '0'; c <= '9'; c++) {
01423 width = max(GetCharacterWidth(size, c), width);
01424 }
01425 return width;
01426 }
01427
01428
01429 void ScreenSizeChanged()
01430 {
01431 _dirty_bytes_per_line = CeilDiv(_screen.width, DIRTY_BLOCK_WIDTH);
01432 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * CeilDiv(_screen.height, DIRTY_BLOCK_HEIGHT));
01433
01434
01435 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01436 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01437
01438
01439 _cursor.visible = false;
01440 }
01441
01442 void UndrawMouseCursor()
01443 {
01444
01445 if (_screen.dst_ptr == NULL) return;
01446
01447 if (_cursor.visible) {
01448 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01449 _cursor.visible = false;
01450 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);
01451 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01452 }
01453 }
01454
01455 void DrawMouseCursor()
01456 {
01457 #if defined(WINCE)
01458
01459 return;
01460 #endif
01461
01462
01463 if (_screen.dst_ptr == NULL) return;
01464
01465 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01466 int x;
01467 int y;
01468 int w;
01469 int h;
01470
01471
01472 if (!_cursor.in_window) return;
01473
01474
01475 if (_cursor.visible) {
01476 if (!_cursor.dirty) return;
01477 UndrawMouseCursor();
01478 }
01479
01480 w = _cursor.size.x;
01481 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01482 if (x < 0) {
01483 w += x;
01484 x = 0;
01485 }
01486 if (w > _screen.width - x) w = _screen.width - x;
01487 if (w <= 0) return;
01488 _cursor.draw_pos.x = x;
01489 _cursor.draw_size.x = w;
01490
01491 h = _cursor.size.y;
01492 y = _cursor.pos.y + _cursor.offs.y;
01493 if (y < 0) {
01494 h += y;
01495 y = 0;
01496 }
01497 if (h > _screen.height - y) h = _screen.height - y;
01498 if (h <= 0) return;
01499 _cursor.draw_pos.y = y;
01500 _cursor.draw_size.y = h;
01501
01502 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01503
01504
01505 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01506
01507
01508 _cur_dpi = &_screen;
01509 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01510
01511 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01512
01513 _cursor.visible = true;
01514 _cursor.dirty = false;
01515 }
01516
01517 void RedrawScreenRect(int left, int top, int right, int bottom)
01518 {
01519 assert(right <= _screen.width && bottom <= _screen.height);
01520 if (_cursor.visible) {
01521 if (right > _cursor.draw_pos.x &&
01522 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01523 bottom > _cursor.draw_pos.y &&
01524 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01525 UndrawMouseCursor();
01526 }
01527 }
01528
01529 #ifdef ENABLE_NETWORK
01530 if (_networking) NetworkUndrawChatMessage();
01531 #endif
01532
01533 DrawOverlappedWindowForAll(left, top, right, bottom);
01534
01535 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01536 }
01537
01543 void DrawDirtyBlocks()
01544 {
01545 byte *b = _dirty_blocks;
01546 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01547 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01548 int x;
01549 int y;
01550
01551 if (IsGeneratingWorld()) {
01552
01553
01554 _genworld_paint_mutex->EndCritical();
01555 _genworld_mapgen_mutex->EndCritical();
01556
01557
01558 CSleep(GENWORLD_REDRAW_TIMEOUT);
01559 _realtime_tick += GENWORLD_REDRAW_TIMEOUT;
01560 _genworld_paint_mutex->BeginCritical();
01561 _genworld_mapgen_mutex->BeginCritical();
01562 }
01563
01564 y = 0;
01565 do {
01566 x = 0;
01567 do {
01568 if (*b != 0) {
01569 int left;
01570 int top;
01571 int right = x + DIRTY_BLOCK_WIDTH;
01572 int bottom = y;
01573 byte *p = b;
01574 int h2;
01575
01576
01577 do {
01578 *p = 0;
01579 p += _dirty_bytes_per_line;
01580 bottom += DIRTY_BLOCK_HEIGHT;
01581 } while (bottom != h && *p != 0);
01582
01583
01584 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01585 assert(h2 > 0);
01586 p = b;
01587
01588 while (right != w) {
01589 byte *p2 = ++p;
01590 int h = h2;
01591
01592 do {
01593 if (!*p2) goto no_more_coalesc;
01594 p2 += _dirty_bytes_per_line;
01595 } while (--h != 0);
01596
01597
01598
01599 right += DIRTY_BLOCK_WIDTH;
01600
01601 h = h2;
01602 p2 = p;
01603 do {
01604 *p2 = 0;
01605 p2 += _dirty_bytes_per_line;
01606 } while (--h != 0);
01607 }
01608 no_more_coalesc:
01609
01610 left = x;
01611 top = y;
01612
01613 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01614 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01615 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01616 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01617
01618 if (left < right && top < bottom) {
01619 RedrawScreenRect(left, top, right, bottom);
01620 }
01621
01622 }
01623 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01624 } while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01625
01626 _invalid_rect.left = w;
01627 _invalid_rect.top = h;
01628 _invalid_rect.right = 0;
01629 _invalid_rect.bottom = 0;
01630 }
01631
01647 void SetDirtyBlocks(int left, int top, int right, int bottom)
01648 {
01649 byte *b;
01650 int width;
01651 int height;
01652
01653 if (left < 0) left = 0;
01654 if (top < 0) top = 0;
01655 if (right > _screen.width) right = _screen.width;
01656 if (bottom > _screen.height) bottom = _screen.height;
01657
01658 if (left >= right || top >= bottom) return;
01659
01660 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01661 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01662 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01663 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01664
01665 left /= DIRTY_BLOCK_WIDTH;
01666 top /= DIRTY_BLOCK_HEIGHT;
01667
01668 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01669
01670 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01671 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01672
01673 assert(width > 0 && height > 0);
01674
01675 do {
01676 int i = width;
01677
01678 do b[--i] = 0xFF; while (i != 0);
01679
01680 b += _dirty_bytes_per_line;
01681 } while (--height != 0);
01682 }
01683
01690 void MarkWholeScreenDirty()
01691 {
01692 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01693 }
01694
01709 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01710 {
01711 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01712 const DrawPixelInfo *o = _cur_dpi;
01713
01714 n->zoom = ZOOM_LVL_NORMAL;
01715
01716 assert(width > 0);
01717 assert(height > 0);
01718
01719 if ((left -= o->left) < 0) {
01720 width += left;
01721 if (width <= 0) return false;
01722 n->left = -left;
01723 left = 0;
01724 } else {
01725 n->left = 0;
01726 }
01727
01728 if (width > o->width - left) {
01729 width = o->width - left;
01730 if (width <= 0) return false;
01731 }
01732 n->width = width;
01733
01734 if ((top -= o->top) < 0) {
01735 height += top;
01736 if (height <= 0) return false;
01737 n->top = -top;
01738 top = 0;
01739 } else {
01740 n->top = 0;
01741 }
01742
01743 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01744 n->pitch = o->pitch;
01745
01746 if (height > o->height - top) {
01747 height = o->height - top;
01748 if (height <= 0) return false;
01749 }
01750 n->height = height;
01751
01752 return true;
01753 }
01754
01759 void UpdateCursorSize()
01760 {
01761 CursorVars *cv = &_cursor;
01762 const Sprite *p = GetSprite(GB(cv->sprite, 0, SPRITE_WIDTH), ST_NORMAL);
01763
01764 cv->size.y = p->height;
01765 cv->size.x = p->width;
01766 cv->offs.x = p->x_offs;
01767 cv->offs.y = p->y_offs;
01768
01769 cv->dirty = true;
01770 }
01771
01777 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01778 {
01779 CursorVars *cv = &_cursor;
01780 if (cv->sprite == cursor) return;
01781
01782 cv->sprite = cursor;
01783 cv->pal = pal;
01784 UpdateCursorSize();
01785
01786 cv->short_vehicle_offset = 0;
01787 }
01788
01789 static void SwitchAnimatedCursor()
01790 {
01791 const AnimCursor *cur = _cursor.animate_cur;
01792
01793 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01794
01795 SetCursorSprite(cur->sprite, _cursor.pal);
01796
01797 _cursor.animate_timeout = cur->display_time;
01798 _cursor.animate_cur = cur + 1;
01799 }
01800
01801 void CursorTick()
01802 {
01803 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0) {
01804 SwitchAnimatedCursor();
01805 }
01806 }
01807
01814 void SetMouseCursor(CursorID sprite, PaletteID pal)
01815 {
01816
01817 _cursor.animate_timeout = 0;
01818
01819 SetCursorSprite(sprite, pal);
01820 }
01821
01827 void SetAnimatedMouseCursor(const AnimCursor *table)
01828 {
01829 _cursor.animate_list = table;
01830 _cursor.animate_cur = NULL;
01831 _cursor.pal = PAL_NONE;
01832 SwitchAnimatedCursor();
01833 }
01834
01835 bool ChangeResInGame(int width, int height)
01836 {
01837 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01838 }
01839
01840 bool ToggleFullScreen(bool fs)
01841 {
01842 bool result = _video_driver->ToggleFullscreen(fs);
01843 if (_fullscreen != fs && _num_resolutions == 0) {
01844 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01845 }
01846 return result;
01847 }
01848
01849 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01850 {
01851 int x = pa->width - pb->width;
01852 if (x != 0) return x;
01853 return pa->height - pb->height;
01854 }
01855
01856 void SortResolutions(int count)
01857 {
01858 QSortT(_resolutions, count, &compare_res);
01859 }