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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)
00196 {
00197 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00198 DrawPixelInfo *dpi = _cur_dpi;
00199
00200 x -= dpi->left;
00201 x2 -= dpi->left;
00202 y -= dpi->top;
00203 y2 -= dpi->top;
00204
00205
00206 if (x < 0 && x2 < 0) return;
00207 if (y < 0 && y2 < 0) return;
00208 if (x > dpi->width && x2 > dpi->width) return;
00209 if (y > dpi->height && y2 > dpi->height) return;
00210
00211 blitter->DrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour);
00212 }
00213
00214 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00215 {
00216 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00217 DrawPixelInfo *dpi = _cur_dpi;
00218
00219 x -= dpi->left;
00220 x2 -= dpi->left;
00221 y -= dpi->top;
00222 y2 -= dpi->top;
00223
00224
00225 if (x < 0 && x2 < 0) return;
00226 if (y < 0 && y2 < 0) return;
00227 if (x > dpi->width && x2 > dpi->width) return;
00228 if (y > dpi->height && y2 > dpi->height) return;
00229
00230 blitter->DrawLine(dpi->dst_ptr, UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00231 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00232 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour);
00233 }
00234
00248 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00249 {
00250
00251
00252
00253
00254
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265 static const byte colour = 15;
00266
00267 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00268 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00269 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00270
00271 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00272 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00273 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00274 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00275 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00276 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00277 }
00278
00283 static void SetColourRemap(TextColour colour)
00284 {
00285 if (colour == TC_INVALID) return;
00286
00287
00288
00289 bool no_shade = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
00290 bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
00291 colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
00292
00293 _string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[_use_palette][colour];
00294 _string_colourremap[2] = no_shade ? 0 : (_use_palette == PAL_DOS ? 1 : 215);
00295 _colour_remap_ptr = _string_colourremap;
00296 }
00297
00298 #if !defined(WITH_ICU)
00299 typedef WChar UChar;
00300 static UChar *HandleBiDiAndArabicShapes(UChar *text) { return text; }
00301 #else
00302 #include <unicode/ubidi.h>
00303 #include <unicode/ushape.h>
00304
00334 static UChar *HandleBiDiAndArabicShapes(UChar *buffer)
00335 {
00336 static UChar input_output[DRAW_STRING_BUFFER];
00337 UChar intermediate[DRAW_STRING_BUFFER];
00338
00339 UChar *t = buffer;
00340 size_t length = 0;
00341 while (*t != '\0' && length < lengthof(input_output) - 1) {
00342 input_output[length++] = *t++;
00343 }
00344 input_output[length] = 0;
00345
00346 UErrorCode err = U_ZERO_ERROR;
00347 UBiDi *para = ubidi_openSized((int32_t)length, 0, &err);
00348 if (para == NULL) return buffer;
00349
00350 ubidi_setPara(para, input_output, (int32_t)length, _current_text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, NULL, &err);
00351 ubidi_writeReordered(para, intermediate, (int32_t)length, UBIDI_REMOVE_BIDI_CONTROLS, &err);
00352 length = u_shapeArabic(intermediate, (int32_t)length, input_output, lengthof(input_output), U_SHAPE_TEXT_DIRECTION_VISUAL_LTR | U_SHAPE_LETTERS_SHAPE, &err);
00353 ubidi_close(para);
00354
00355 if (U_FAILURE(err)) return buffer;
00356
00357 input_output[length] = '\0';
00358 return input_output;
00359 }
00360 #endif
00361
00362
00372 static int TruncateString(char *str, int maxw, bool ignore_setxy, FontSize start_fontsize)
00373 {
00374 int w = 0;
00375 FontSize size = start_fontsize;
00376 int ddd, ddd_w;
00377
00378 WChar c;
00379 char *ddd_pos;
00380
00381 ddd_w = ddd = GetCharacterWidth(size, '.') * 3;
00382
00383 for (ddd_pos = str; (c = Utf8Consume(const_cast<const char **>(&str))) != '\0'; ) {
00384 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00385 w += GetCharacterWidth(size, c);
00386
00387 if (w > maxw) {
00388
00389
00390 for (int i = 0; *ddd_pos != '\0' && i < 3; i++, ddd_pos++) *ddd_pos = '.';
00391 *ddd_pos = '\0';
00392 return ddd_w;
00393 }
00394 } else {
00395 if (c == SCC_SETX) {
00396 if (!ignore_setxy) w = *str;
00397 str++;
00398 } else if (c == SCC_SETXY) {
00399 if (!ignore_setxy) w = *str;
00400 str += 2;
00401 } else if (c == SCC_TINYFONT) {
00402 size = FS_SMALL;
00403 ddd = GetCharacterWidth(size, '.') * 3;
00404 } else if (c == SCC_BIGFONT) {
00405 size = FS_LARGE;
00406 ddd = GetCharacterWidth(size, '.') * 3;
00407 } else if (c == '\n') {
00408 DEBUG(misc, 0, "Drawing string using newlines with DrawString instead of DrawStringMultiLine. Please notify the developers of this: [%s]", str);
00409 }
00410 }
00411
00412
00413 if (w + ddd < maxw) {
00414 ddd_w = w + ddd;
00415 ddd_pos = str;
00416 }
00417 }
00418
00419 return w;
00420 }
00421
00422 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped = false);
00423
00430 static int GetStringWidth(const UChar *str, FontSize start_fontsize)
00431 {
00432 FontSize size = start_fontsize;
00433 int max_width;
00434 int width;
00435 WChar c;
00436
00437 width = max_width = 0;
00438 for (;;) {
00439 c = *str++;
00440 if (c == 0) break;
00441 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00442 width += GetCharacterWidth(size, c);
00443 } else {
00444 switch (c) {
00445 case SCC_SETX:
00446 case SCC_SETXY:
00447
00448 NOT_REACHED();
00449 break;
00450 case SCC_TINYFONT: size = FS_SMALL; break;
00451 case SCC_BIGFONT: size = FS_LARGE; break;
00452 case '\n':
00453 max_width = max(max_width, width);
00454 break;
00455 }
00456 }
00457 }
00458
00459 return max(max_width, width);
00460 }
00461
00480 static int DrawString(int left, int right, int top, char *str, const char *last, DrawStringParams ¶ms, StringAlignment align, bool underline = false, bool truncate = true)
00481 {
00482
00483 int min_left = INT32_MAX;
00484 int max_right = INT32_MIN;
00485
00486 int initial_left = left;
00487 int initial_right = right;
00488 int initial_top = top;
00489
00490 if (truncate) TruncateString(str, right - left + 1, (align & SA_STRIP) == SA_STRIP, params.fontsize);
00491
00492
00493
00494
00495
00496
00497
00498 static SmallVector<UChar *, 4> setx_offsets;
00499 setx_offsets.Clear();
00500
00501 UChar draw_buffer[DRAW_STRING_BUFFER];
00502 UChar *p = draw_buffer;
00503
00504 *setx_offsets.Append() = p;
00505
00506 char *loc = str;
00507 for (;;) {
00508 WChar c;
00509
00510 size_t len = Utf8Decode(&c, loc);
00511 *p++ = c;
00512
00513 if (c == '\0') break;
00514 if (p >= lastof(draw_buffer) - 3) {
00515
00516 *p = '\0';
00517 break;
00518 }
00519 if (c != SCC_SETX && c != SCC_SETXY) {
00520 loc += len;
00521 continue;
00522 }
00523
00524 if (align & SA_STRIP) {
00525
00526
00527 *p-- = '\0';
00528 loc += len + (c == SCC_SETXY ? 2 : 1);
00529 continue;
00530 }
00531
00532 if ((align & SA_HOR_MASK) != SA_LEFT) {
00533 DEBUG(grf, 1, "Using SETX and/or SETXY when not aligned to the left. Fixing alignment...");
00534
00535
00536
00537
00538
00539 align = SA_LEFT | SA_FORCE;
00540 initial_left = left = max(left, (left + right - (int)GetStringBoundingBox(str).width) / 2);
00541 }
00542
00543
00544 if (p != draw_buffer) {
00545 *setx_offsets.Append() = p;
00546 p[-1] = '\0';
00547 *p++ = c;
00548 }
00549
00550
00551 loc += len;
00552
00553 *p++ = *loc++;
00554
00555 if (c == SCC_SETXY) *p++ = *loc++;
00556 }
00557
00558
00559 if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && !(align & SA_STRIP) && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
00560
00561 for (UChar **iter = setx_offsets.Begin(); iter != setx_offsets.End(); iter++) {
00562 UChar *to_draw = *iter;
00563 int offset = 0;
00564
00565
00566 if (*to_draw == SCC_SETX || *to_draw == SCC_SETXY) {
00567 to_draw++;
00568 offset = *to_draw++;
00569 if (*to_draw == SCC_SETXY) top = initial_top + *to_draw++;
00570 }
00571
00572 to_draw = HandleBiDiAndArabicShapes(to_draw);
00573 int w = GetStringWidth(to_draw, params.fontsize);
00574
00575
00576
00577
00578
00579
00580 switch (align & SA_HOR_MASK) {
00581 case SA_LEFT:
00582
00583 left = initial_left + offset;
00584 right = left + w - 1;
00585 break;
00586
00587 case SA_HOR_CENTER:
00588 left = RoundDivSU(initial_right + 1 + initial_left - w, 2);
00589
00590 right = left + w - 1;
00591 break;
00592
00593 case SA_RIGHT:
00594 left = initial_right + 1 - w - offset;
00595 break;
00596
00597 default:
00598 NOT_REACHED();
00599 }
00600
00601 min_left = min(left, min_left);
00602 max_right = max(right, max_right);
00603
00604 ReallyDoDrawString(to_draw, left, top, params, !truncate);
00605 if (underline) {
00606 GfxFillRect(left, top + FONT_HEIGHT_NORMAL, right, top + FONT_HEIGHT_NORMAL, _string_colourremap[1]);
00607 }
00608 }
00609
00610 return (align & SA_HOR_MASK) == SA_RIGHT ? min_left : max_right;
00611 }
00612
00626 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline)
00627 {
00628 char buffer[DRAW_STRING_BUFFER];
00629 strecpy(buffer, str, lastof(buffer));
00630 DrawStringParams params(colour);
00631 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00632 }
00633
00647 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline)
00648 {
00649 char buffer[DRAW_STRING_BUFFER];
00650 GetString(buffer, str, lastof(buffer));
00651 DrawStringParams params(colour);
00652 return DrawString(left, right, top, buffer, lastof(buffer), params, align, underline);
00653 }
00654
00675 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw, FontSize size)
00676 {
00677 int num = 0;
00678
00679 assert(maxw > 0);
00680
00681 for (;;) {
00682
00683 char *last_space = NULL;
00684 int w = 0;
00685
00686 for (;;) {
00687 WChar c = Utf8Consume(const_cast<const char **>(&str));
00688
00689 if (IsWhitespace(c)) last_space = str;
00690
00691 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00692 int char_w = GetCharacterWidth(size, c);
00693 w += char_w;
00694 if (w > maxw) {
00695
00696
00697 if (w == char_w) {
00698
00699
00700 return num + (size << 16);
00701 }
00702 if (last_space == NULL) {
00703
00704
00705
00706
00707
00708
00709 str = Utf8PrevChar(str);
00710 size_t len = strlen(str);
00711 char *terminator = str + len;
00712
00713
00714
00715
00716 assert(terminator <= last);
00717 assert(*terminator == '\0');
00718
00719
00720 if (terminator == last) {
00721
00722
00723 *Utf8PrevChar(terminator) = '\0';
00724 len = strlen(str);
00725 }
00726
00727 memmove(str + 1, str, len + 1);
00728 *str = '\0';
00729
00730 str++;
00731 } else {
00732
00733 str = last_space;
00734 }
00735 break;
00736 }
00737 } else {
00738 switch (c) {
00739 case '\0': return num + (size << 16);
00740 case SCC_SETX: str++; break;
00741 case SCC_SETXY: str += 2; break;
00742 case SCC_TINYFONT: size = FS_SMALL; break;
00743 case SCC_BIGFONT: size = FS_LARGE; break;
00744 case '\n': goto end_of_inner_loop;
00745 }
00746 }
00747 }
00748 end_of_inner_loop:
00749
00750
00751
00752 num++;
00753 char *s = Utf8PrevChar(str);
00754 *s++ = '\0';
00755
00756
00757 if (str - s >= 1) {
00758 for (; str[-1] != '\0';) *s++ = *str++;
00759 }
00760 }
00761 }
00762
00763
00772 static int GetMultilineStringHeight(const char *src, int num, FontSize start_fontsize)
00773 {
00774 int maxy = 0;
00775 int y = 0;
00776 int fh = GetCharacterHeight(start_fontsize);
00777
00778 for (;;) {
00779 WChar c = Utf8Consume(&src);
00780
00781 switch (c) {
00782 case 0: y += fh; if (--num < 0) return maxy; break;
00783 case '\n': y += fh; break;
00784 case SCC_SETX: src++; break;
00785 case SCC_SETXY: src++; y = (int)*src++; break;
00786 case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
00787 case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
00788 default: maxy = max<int>(maxy, y + fh); break;
00789 }
00790 }
00791 }
00792
00793
00800 int GetStringHeight(StringID str, int maxw)
00801 {
00802 char buffer[DRAW_STRING_BUFFER];
00803
00804 GetString(buffer, str, lastof(buffer));
00805
00806 uint32 tmp = FormatStringLinebreaks(buffer, lastof(buffer), maxw);
00807
00808 return GetMultilineStringHeight(buffer, GB(tmp, 0, 16), FS_NORMAL);
00809 }
00810
00817 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00818 {
00819 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00820 return box;
00821 }
00822
00838 static int DrawStringMultiLine(int left, int right, int top, int bottom, char *str, const char *last, TextColour colour, StringAlignment align, bool underline)
00839 {
00840 int maxw = right - left + 1;
00841 int maxh = bottom - top + 1;
00842
00843
00844
00845 if (maxh <= 0) return top;
00846
00847 uint32 tmp = FormatStringLinebreaks(str, last, maxw);
00848 int num = GB(tmp, 0, 16) + 1;
00849
00850 int mt = GetCharacterHeight((FontSize)GB(tmp, 16, 16));
00851 int total_height = num * mt;
00852
00853 int skip_lines = 0;
00854 if (total_height > maxh) {
00855 if (maxh < mt) return top;
00856 if ((align & SA_VERT_MASK) == SA_BOTTOM) {
00857 skip_lines = num;
00858 num = maxh / mt;
00859 skip_lines -= num;
00860 } else {
00861 num = maxh / mt;
00862 }
00863 total_height = num * mt;
00864 }
00865
00866 int y;
00867 switch (align & SA_VERT_MASK) {
00868 case SA_TOP:
00869 y = top;
00870 break;
00871
00872 case SA_VERT_CENTER:
00873 y = RoundDivSU(bottom + top - total_height, 2);
00874 break;
00875
00876 case SA_BOTTOM:
00877 y = bottom - total_height;
00878 break;
00879
00880 default: NOT_REACHED();
00881 }
00882
00883 const char *src = str;
00884 DrawStringParams params(colour);
00885 int written_top = bottom;
00886 for (;;) {
00887 if (skip_lines == 0) {
00888 char buf2[DRAW_STRING_BUFFER];
00889 strecpy(buf2, src, lastof(buf2));
00890 DrawString(left, right, y, buf2, lastof(buf2), params, align, underline, false);
00891 if (written_top > y) written_top = y;
00892 y += mt;
00893 num--;
00894 }
00895
00896 for (;;) {
00897 WChar c = Utf8Consume(&src);
00898 if (c == 0) {
00899 break;
00900 } else if (c == SCC_SETX) {
00901 src++;
00902 } else if (c == SCC_SETXY) {
00903 src += 2;
00904 } else if (skip_lines > 0) {
00905
00906 if (c >= SCC_BLUE && c <= SCC_BLACK) {
00907 params.SetColour((TextColour)(c - SCC_BLUE));
00908 } else if (c == SCC_PREVIOUS_COLOUR) {
00909 params.SetPreviousColour();
00910 } else if (c == SCC_TINYFONT) {
00911 params.SetFontSize(FS_SMALL);
00912 } else if (c == SCC_BIGFONT) {
00913 params.SetFontSize(FS_LARGE);
00914 }
00915
00916 }
00917 }
00918 if (skip_lines > 0) skip_lines--;
00919 if (num == 0) return ((align & SA_VERT_MASK) == SA_BOTTOM) ? written_top : y;
00920 }
00921 }
00922
00937 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline)
00938 {
00939 char buffer[DRAW_STRING_BUFFER];
00940 strecpy(buffer, str, lastof(buffer));
00941 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00942 }
00943
00958 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline)
00959 {
00960 char buffer[DRAW_STRING_BUFFER];
00961 GetString(buffer, str, lastof(buffer));
00962 return DrawStringMultiLine(left, right, top, bottom, buffer, lastof(buffer), colour, align, underline);
00963 }
00964
00975 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
00976 {
00977 FontSize size = start_fontsize;
00978 Dimension br;
00979 uint max_width;
00980 WChar c;
00981
00982 br.width = br.height = max_width = 0;
00983 for (;;) {
00984 c = Utf8Consume(&str);
00985 if (c == 0) break;
00986 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
00987 br.width += GetCharacterWidth(size, c);
00988 } else {
00989 switch (c) {
00990 case SCC_SETX: br.width = max((uint)*str++, br.width); break;
00991 case SCC_SETXY:
00992 br.width = max((uint)*str++, br.width);
00993 br.height = max((uint)*str++, br.height);
00994 break;
00995 case SCC_TINYFONT: size = FS_SMALL; break;
00996 case SCC_BIGFONT: size = FS_LARGE; break;
00997 case '\n':
00998 br.height += GetCharacterHeight(size);
00999 if (br.width > max_width) max_width = br.width;
01000 br.width = 0;
01001 break;
01002 }
01003 }
01004 }
01005 br.height += GetCharacterHeight(size);
01006
01007 br.width = max(br.width, max_width);
01008 return br;
01009 }
01010
01017 Dimension GetStringBoundingBox(StringID strid)
01018 {
01019 char buffer[DRAW_STRING_BUFFER];
01020
01021 GetString(buffer, strid, lastof(buffer));
01022 return GetStringBoundingBox(buffer);
01023 }
01024
01032 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
01033 {
01034 SetColourRemap(colour);
01035 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
01036 }
01037
01055 static int ReallyDoDrawString(const UChar *string, int x, int y, DrawStringParams ¶ms, bool parse_string_also_when_clipped)
01056 {
01057 DrawPixelInfo *dpi = _cur_dpi;
01058 UChar c;
01059 int xo = x;
01060
01061 if (!parse_string_also_when_clipped) {
01062
01063
01064 if (x >= dpi->left + dpi->width || y >= dpi->top + dpi->height) return x;
01065 }
01066
01067 switch_colour:;
01068 SetColourRemap(params.cur_colour);
01069
01070 check_bounds:
01071 if (y + _max_char_height <= dpi->top || dpi->top + dpi->height <= y) {
01072 skip_char:;
01073 for (;;) {
01074 c = *string++;
01075 if (!IsPrintable(c)) goto skip_cont;
01076 }
01077 }
01078
01079 for (;;) {
01080 c = *string++;
01081 skip_cont:;
01082 if (c == 0) {
01083 return x;
01084 }
01085 if (IsPrintable(c) && !IsTextDirectionChar(c)) {
01086 if (x >= dpi->left + dpi->width) goto skip_char;
01087 if (x + _max_char_width >= dpi->left) {
01088 GfxMainBlitter(GetGlyph(params.fontsize, c), x, y, BM_COLOUR_REMAP);
01089 }
01090 x += GetCharacterWidth(params.fontsize, c);
01091 } else if (c == '\n') {
01092 x = xo;
01093 y += GetCharacterHeight(params.fontsize);
01094 goto check_bounds;
01095 } else if (c >= SCC_BLUE && c <= SCC_BLACK) {
01096 params.SetColour((TextColour)(c - SCC_BLUE));
01097 goto switch_colour;
01098 } else if (c == SCC_PREVIOUS_COLOUR) {
01099 params.SetPreviousColour();
01100 goto switch_colour;
01101 } else if (c == SCC_SETX || c == SCC_SETXY) {
01102
01103 NOT_REACHED();
01104 } else if (c == SCC_TINYFONT) {
01105 params.SetFontSize(FS_SMALL);
01106 } else if (c == SCC_BIGFONT) {
01107 params.SetFontSize(FS_LARGE);
01108 } else if (!IsTextDirectionChar(c)) {
01109 DEBUG(misc, 0, "[utf8] unknown string command character %d", c);
01110 }
01111 }
01112 }
01113
01121 Dimension GetSpriteSize(SpriteID sprid, Point *offset)
01122 {
01123 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
01124
01125 if (offset != NULL) {
01126 offset->x = sprite->x_offs;
01127 offset->y = sprite->y_offs;
01128 }
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 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01149 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite);
01150 } else if (pal != PAL_NONE) {
01151 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
01152 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite);
01153 } else {
01154 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite);
01155 }
01156 }
01157
01158 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
01159 {
01160 const DrawPixelInfo *dpi = _cur_dpi;
01161 Blitter::BlitterParams bp;
01162
01163
01164 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
01165 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
01166 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
01167 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
01168
01169 if (clip_left + clip_right >= sprite->width) return;
01170 if (clip_top + clip_bottom >= sprite->height) return;
01171
01172
01173 x += sprite->x_offs;
01174 y += sprite->y_offs;
01175
01176
01177 bp.sprite = sprite->data;
01178 bp.sprite_width = sprite->width;
01179 bp.sprite_height = sprite->height;
01180 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
01181 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
01182 bp.top = 0;
01183 bp.left = 0;
01184 bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
01185 bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
01186
01187 x += ScaleByZoom(bp.skip_left, dpi->zoom);
01188 y += ScaleByZoom(bp.skip_top, dpi->zoom);
01189
01190 bp.dst = dpi->dst_ptr;
01191 bp.pitch = dpi->pitch;
01192 bp.remap = _colour_remap_ptr;
01193
01194 assert(sprite->width > 0);
01195 assert(sprite->height > 0);
01196
01197 if (bp.width <= 0) return;
01198 if (bp.height <= 0) return;
01199
01200 y -= dpi->top;
01201
01202 if (y < 0) {
01203 bp.height -= -UnScaleByZoom(y, dpi->zoom);
01204 if (bp.height <= 0) return;
01205 bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
01206 y = 0;
01207 } else {
01208 bp.top = UnScaleByZoom(y, dpi->zoom);
01209 }
01210
01211
01212 y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
01213 if (y > 0) {
01214 bp.height -= UnScaleByZoom(y, dpi->zoom);
01215 if (bp.height <= 0) return;
01216 }
01217
01218 x -= dpi->left;
01219
01220 if (x < 0) {
01221 bp.width -= -UnScaleByZoom(x, dpi->zoom);
01222 if (bp.width <= 0) return;
01223 bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
01224 x = 0;
01225 } else {
01226 bp.left = UnScaleByZoom(x, dpi->zoom);
01227 }
01228
01229
01230 x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
01231 if (x > 0) {
01232 bp.width -= UnScaleByZoom(x, dpi->zoom);
01233 if (bp.width <= 0) return;
01234 }
01235
01236 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
01237 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
01238
01239
01240 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
01241 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01242 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
01243 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
01244
01245 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
01246
01247 if (topleft <= clicked && clicked <= bottomright) {
01248 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
01249 if (offset < (uint)bp.width) {
01250 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
01251 }
01252 }
01253 }
01254
01255 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
01256 }
01257
01258 void DoPaletteAnimations();
01259
01260 void GfxInitPalettes()
01261 {
01262 memcpy(_cur_palette, _palettes[_use_palette], sizeof(_cur_palette));
01263
01264 DoPaletteAnimations();
01265 _pal_first_dirty = 0;
01266 _pal_count_dirty = 256;
01267 }
01268
01269 #define EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16)
01270 #define EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16)
01271
01272 void DoPaletteAnimations()
01273 {
01274
01275 static int palette_animation_counter = 0;
01276 palette_animation_counter += 8;
01277
01278 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01279 const Colour *s;
01280 const ExtraPaletteValues *ev = &_extra_palette_values;
01281
01282
01283
01284 const int colour_rotation_amount = (_use_palette == PAL_DOS) ? PALETTE_ANIM_SIZE_DOS : PALETTE_ANIM_SIZE_WIN;
01285 Colour old_val[PALETTE_ANIM_SIZE_DOS];
01286 const int oldval_size = colour_rotation_amount * sizeof(*old_val);
01287 const uint old_tc = palette_animation_counter;
01288 uint i;
01289 uint j;
01290
01291 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01292 palette_animation_counter = 0;
01293 }
01294
01295 Colour *palette_pos = &_cur_palette[PALETTE_ANIM_SIZE_START];
01296
01297
01298 memcpy(old_val, palette_pos, oldval_size);
01299
01300
01301 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01302 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01303 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01304 *palette_pos++ = s[j];
01305 j++;
01306 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01307 }
01308
01309
01310 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01311 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01312 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01313 *palette_pos++ = s[j];
01314 j += 3;
01315 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01316 }
01317
01318
01319 s = ev->fizzy_drink;
01320 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01321 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01322 *palette_pos++ = s[j];
01323 j++;
01324 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01325 }
01326
01327
01328 s = ev->oil_refinery;
01329 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01330 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01331 *palette_pos++ = s[j];
01332 j++;
01333 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01334 }
01335
01336
01337 {
01338 byte i = (palette_animation_counter >> 1) & 0x7F;
01339 byte v;
01340
01341 if (i < 0x3f) {
01342 v = 255;
01343 } else if (i < 0x4A || i >= 0x75) {
01344 v = 128;
01345 } else {
01346 v = 20;
01347 }
01348 palette_pos->r = v;
01349 palette_pos->g = 0;
01350 palette_pos->b = 0;
01351 palette_pos++;
01352
01353 i ^= 0x40;
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
01367
01368 s = ev->lighthouse;
01369 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01370 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01371 *palette_pos++ = s[j];
01372 j++;
01373 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01374 }
01375
01376
01377 if (_use_palette == PAL_DOS) {
01378
01379 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01380 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01381 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01382 *palette_pos++ = s[j];
01383 j++;
01384 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01385 }
01386
01387
01388 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01389 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01390 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01391 *palette_pos++ = s[j];
01392 j += 3;
01393 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01394 }
01395 }
01396
01397 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01398 palette_animation_counter = old_tc;
01399 } else {
01400 if (memcmp(old_val, &_cur_palette[PALETTE_ANIM_SIZE_START], oldval_size) != 0) {
01401
01402 _pal_first_dirty = PALETTE_ANIM_SIZE_START;
01403 _pal_count_dirty = colour_rotation_amount;
01404 }
01405 }
01406 }
01407
01408
01410 void LoadStringWidthTable()
01411 {
01412 _max_char_height = 0;
01413 _max_char_width = 0;
01414
01415 for (FontSize fs = FS_BEGIN; fs < FS_END; fs++) {
01416 _max_char_height = max<int>(_max_char_height, GetCharacterHeight(fs));
01417 for (uint i = 0; i != 224; i++) {
01418 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01419 _max_char_width = max<int>(_max_char_width, _stringwidth_table[fs][i]);
01420 }
01421 }
01422
01423
01424 _max_char_height++;
01425 _max_char_width++;
01426
01427 ReInitAllWindows();
01428 }
01429
01436 byte GetCharacterWidth(FontSize size, WChar key)
01437 {
01438
01439 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01440
01441 return GetGlyphWidth(size, key);
01442 }
01443
01449 byte GetDigitWidth(FontSize size)
01450 {
01451 byte width = 0;
01452 for (char c = '0'; c <= '9'; c++) {
01453 width = max(GetCharacterWidth(size, c), width);
01454 }
01455 return width;
01456 }
01457
01458
01459 void ScreenSizeChanged()
01460 {
01461 _dirty_bytes_per_line = CeilDiv(_screen.width, DIRTY_BLOCK_WIDTH);
01462 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * CeilDiv(_screen.height, DIRTY_BLOCK_HEIGHT));
01463
01464
01465 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01466 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01467
01468
01469 _cursor.visible = false;
01470 }
01471
01472 void UndrawMouseCursor()
01473 {
01474
01475 if (_screen.dst_ptr == NULL) return;
01476
01477 if (_cursor.visible) {
01478 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01479 _cursor.visible = false;
01480 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);
01481 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01482 }
01483 }
01484
01485 void DrawMouseCursor()
01486 {
01487 #if defined(WINCE)
01488
01489 return;
01490 #endif
01491
01492
01493 if (_screen.dst_ptr == NULL) return;
01494
01495 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01496 int x;
01497 int y;
01498 int w;
01499 int h;
01500
01501
01502 if (!_cursor.in_window) return;
01503
01504
01505 if (_cursor.visible) {
01506 if (!_cursor.dirty) return;
01507 UndrawMouseCursor();
01508 }
01509
01510 w = _cursor.size.x;
01511 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01512 if (x < 0) {
01513 w += x;
01514 x = 0;
01515 }
01516 if (w > _screen.width - x) w = _screen.width - x;
01517 if (w <= 0) return;
01518 _cursor.draw_pos.x = x;
01519 _cursor.draw_size.x = w;
01520
01521 h = _cursor.size.y;
01522 y = _cursor.pos.y + _cursor.offs.y;
01523 if (y < 0) {
01524 h += y;
01525 y = 0;
01526 }
01527 if (h > _screen.height - y) h = _screen.height - y;
01528 if (h <= 0) return;
01529 _cursor.draw_pos.y = y;
01530 _cursor.draw_size.y = h;
01531
01532 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01533
01534
01535 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01536
01537
01538 _cur_dpi = &_screen;
01539 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01540
01541 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01542
01543 _cursor.visible = true;
01544 _cursor.dirty = false;
01545 }
01546
01547 void RedrawScreenRect(int left, int top, int right, int bottom)
01548 {
01549 assert(right <= _screen.width && bottom <= _screen.height);
01550 if (_cursor.visible) {
01551 if (right > _cursor.draw_pos.x &&
01552 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01553 bottom > _cursor.draw_pos.y &&
01554 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01555 UndrawMouseCursor();
01556 }
01557 }
01558
01559 #ifdef ENABLE_NETWORK
01560 if (_networking) NetworkUndrawChatMessage();
01561 #endif
01562
01563 DrawOverlappedWindowForAll(left, top, right, bottom);
01564
01565 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01566 }
01567
01573 void DrawDirtyBlocks()
01574 {
01575 byte *b = _dirty_blocks;
01576 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01577 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01578 int x;
01579 int y;
01580
01581 if (IsGeneratingWorld()) {
01582
01583
01584 _genworld_paint_mutex->EndCritical();
01585 _genworld_mapgen_mutex->EndCritical();
01586
01587
01588 CSleep(GENWORLD_REDRAW_TIMEOUT);
01589 _realtime_tick += GENWORLD_REDRAW_TIMEOUT;
01590 _genworld_paint_mutex->BeginCritical();
01591 _genworld_mapgen_mutex->BeginCritical();
01592 }
01593
01594 y = 0;
01595 do {
01596 x = 0;
01597 do {
01598 if (*b != 0) {
01599 int left;
01600 int top;
01601 int right = x + DIRTY_BLOCK_WIDTH;
01602 int bottom = y;
01603 byte *p = b;
01604 int h2;
01605
01606
01607 do {
01608 *p = 0;
01609 p += _dirty_bytes_per_line;
01610 bottom += DIRTY_BLOCK_HEIGHT;
01611 } while (bottom != h && *p != 0);
01612
01613
01614 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01615 assert(h2 > 0);
01616 p = b;
01617
01618 while (right != w) {
01619 byte *p2 = ++p;
01620 int h = h2;
01621
01622 do {
01623 if (!*p2) goto no_more_coalesc;
01624 p2 += _dirty_bytes_per_line;
01625 } while (--h != 0);
01626
01627
01628
01629 right += DIRTY_BLOCK_WIDTH;
01630
01631 h = h2;
01632 p2 = p;
01633 do {
01634 *p2 = 0;
01635 p2 += _dirty_bytes_per_line;
01636 } while (--h != 0);
01637 }
01638 no_more_coalesc:
01639
01640 left = x;
01641 top = y;
01642
01643 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01644 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01645 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01646 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01647
01648 if (left < right && top < bottom) {
01649 RedrawScreenRect(left, top, right, bottom);
01650 }
01651
01652 }
01653 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01654 } while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01655
01656 _invalid_rect.left = w;
01657 _invalid_rect.top = h;
01658 _invalid_rect.right = 0;
01659 _invalid_rect.bottom = 0;
01660 }
01661
01677 void SetDirtyBlocks(int left, int top, int right, int bottom)
01678 {
01679 byte *b;
01680 int width;
01681 int height;
01682
01683 if (left < 0) left = 0;
01684 if (top < 0) top = 0;
01685 if (right > _screen.width) right = _screen.width;
01686 if (bottom > _screen.height) bottom = _screen.height;
01687
01688 if (left >= right || top >= bottom) return;
01689
01690 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01691 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01692 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01693 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01694
01695 left /= DIRTY_BLOCK_WIDTH;
01696 top /= DIRTY_BLOCK_HEIGHT;
01697
01698 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01699
01700 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01701 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01702
01703 assert(width > 0 && height > 0);
01704
01705 do {
01706 int i = width;
01707
01708 do b[--i] = 0xFF; while (i);
01709
01710 b += _dirty_bytes_per_line;
01711 } while (--height != 0);
01712 }
01713
01720 void MarkWholeScreenDirty()
01721 {
01722 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01723 }
01724
01739 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01740 {
01741 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01742 const DrawPixelInfo *o = _cur_dpi;
01743
01744 n->zoom = ZOOM_LVL_NORMAL;
01745
01746 assert(width > 0);
01747 assert(height > 0);
01748
01749 if ((left -= o->left) < 0) {
01750 width += left;
01751 if (width <= 0) return false;
01752 n->left = -left;
01753 left = 0;
01754 } else {
01755 n->left = 0;
01756 }
01757
01758 if (width > o->width - left) {
01759 width = o->width - left;
01760 if (width <= 0) return false;
01761 }
01762 n->width = width;
01763
01764 if ((top -= o->top) < 0) {
01765 height += top;
01766 if (height <= 0) return false;
01767 n->top = -top;
01768 top = 0;
01769 } else {
01770 n->top = 0;
01771 }
01772
01773 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01774 n->pitch = o->pitch;
01775
01776 if (height > o->height - top) {
01777 height = o->height - top;
01778 if (height <= 0) return false;
01779 }
01780 n->height = height;
01781
01782 return true;
01783 }
01784
01789 void UpdateCursorSize()
01790 {
01791 CursorVars *cv = &_cursor;
01792 const Sprite *p = GetSprite(GB(cv->sprite, 0, SPRITE_WIDTH), ST_NORMAL);
01793
01794 cv->size.y = p->height;
01795 cv->size.x = p->width;
01796 cv->offs.x = p->x_offs;
01797 cv->offs.y = p->y_offs;
01798
01799 cv->dirty = true;
01800 }
01801
01807 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01808 {
01809 CursorVars *cv = &_cursor;
01810 if (cv->sprite == cursor) return;
01811
01812 cv->sprite = cursor;
01813 cv->pal = pal;
01814 UpdateCursorSize();
01815
01816 cv->short_vehicle_offset = 0;
01817 }
01818
01819 static void SwitchAnimatedCursor()
01820 {
01821 const AnimCursor *cur = _cursor.animate_cur;
01822
01823 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01824
01825 SetCursorSprite(cur->sprite, _cursor.pal);
01826
01827 _cursor.animate_timeout = cur->display_time;
01828 _cursor.animate_cur = cur + 1;
01829 }
01830
01831 void CursorTick()
01832 {
01833 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0) {
01834 SwitchAnimatedCursor();
01835 }
01836 }
01837
01844 void SetMouseCursor(CursorID sprite, PaletteID pal)
01845 {
01846
01847 _cursor.animate_timeout = 0;
01848
01849 SetCursorSprite(sprite, pal);
01850 }
01851
01857 void SetAnimatedMouseCursor(const AnimCursor *table)
01858 {
01859 _cursor.animate_list = table;
01860 _cursor.animate_cur = NULL;
01861 _cursor.pal = PAL_NONE;
01862 SwitchAnimatedCursor();
01863 }
01864
01865 bool ChangeResInGame(int width, int height)
01866 {
01867 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01868 }
01869
01870 bool ToggleFullScreen(bool fs)
01871 {
01872 bool result = _video_driver->ToggleFullscreen(fs);
01873 if (_fullscreen != fs && _num_resolutions == 0) {
01874 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01875 }
01876 return result;
01877 }
01878
01879 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01880 {
01881 int x = pa->width - pb->width;
01882 if (x != 0) return x;
01883 return pa->height - pb->height;
01884 }
01885
01886 void SortResolutions(int count)
01887 {
01888 QSortT(_resolutions, count, &compare_res);
01889 }