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00012 #include "stdafx.h"
00013 #include "gfx_layout.h"
00014 #include "progress.h"
00015 #include "zoom_func.h"
00016 #include "blitter/factory.hpp"
00017 #include "video/video_driver.hpp"
00018 #include "strings_func.h"
00019 #include "settings_type.h"
00020 #include "network/network.h"
00021 #include "network/network_func.h"
00022 #include "window_func.h"
00023 #include "newgrf_debug.h"
00024
00025 #include "table/palettes.h"
00026 #include "table/sprites.h"
00027 #include "table/control_codes.h"
00028
00029 byte _dirkeys;
00030 bool _fullscreen;
00031 CursorVars _cursor;
00032 bool _ctrl_pressed;
00033 bool _shift_pressed;
00034 byte _fast_forward;
00035 bool _left_button_down;
00036 bool _left_button_clicked;
00037 bool _right_button_down;
00038 bool _right_button_clicked;
00039 DrawPixelInfo _screen;
00040 bool _screen_disable_anim = false;
00041 bool _exit_game;
00042 GameMode _game_mode;
00043 SwitchMode _switch_mode;
00044 PauseModeByte _pause_mode;
00045 Palette _cur_palette;
00046
00047 static byte _stringwidth_table[FS_END][224];
00048 DrawPixelInfo *_cur_dpi;
00049 byte _colour_gradient[COLOUR_END][8];
00050
00051 static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL, SpriteID sprite_id = SPR_CURSOR_MOUSE);
00052 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL, SpriteID sprite_id = SPR_CURSOR_MOUSE, ZoomLevel zoom = ZOOM_LVL_NORMAL);
00053
00054 static ReusableBuffer<uint8> _cursor_backup;
00055
00063 static Rect _invalid_rect;
00064 static const byte *_colour_remap_ptr;
00065 static byte _string_colourremap[3];
00066
00067 static const uint DIRTY_BLOCK_HEIGHT = 8;
00068 static const uint DIRTY_BLOCK_WIDTH = 64;
00069
00070 static uint _dirty_bytes_per_line = 0;
00071 static byte *_dirty_blocks = NULL;
00072 extern uint _dirty_block_colour;
00073
00074 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00075 {
00076 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
00077
00078 if (xo == 0 && yo == 0) return;
00079
00080 if (_cursor.visible) UndrawMouseCursor();
00081
00082 #ifdef ENABLE_NETWORK
00083 if (_networking) NetworkUndrawChatMessage();
00084 #endif
00085
00086 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00087
00088 _video_driver->MakeDirty(left, top, width, height);
00089 }
00090
00091
00106 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00107 {
00108 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
00109 const DrawPixelInfo *dpi = _cur_dpi;
00110 void *dst;
00111 const int otop = top;
00112 const int oleft = left;
00113
00114 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00115 if (left > right || top > bottom) return;
00116 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00117 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00118
00119 if ( (left -= dpi->left) < 0) left = 0;
00120 right = right - dpi->left + 1;
00121 if (right > dpi->width) right = dpi->width;
00122 right -= left;
00123 assert(right > 0);
00124
00125 if ( (top -= dpi->top) < 0) top = 0;
00126 bottom = bottom - dpi->top + 1;
00127 if (bottom > dpi->height) bottom = dpi->height;
00128 bottom -= top;
00129 assert(bottom > 0);
00130
00131 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00132
00133 switch (mode) {
00134 default:
00135 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00136 break;
00137
00138 case FILLRECT_RECOLOUR:
00139 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00140 break;
00141
00142 case FILLRECT_CHECKER: {
00143 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00144 do {
00145 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00146 dst = blitter->MoveTo(dst, 0, 1);
00147 } while (--bottom > 0);
00148 break;
00149 }
00150 }
00151 }
00152
00167 static inline void GfxDoDrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash = 0)
00168 {
00169 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
00170
00171 assert(width > 0);
00172
00173 if (y2 == y) {
00174
00175 blitter->DrawLine(video,
00176 Clamp(x, 0, screen_width), y,
00177 Clamp(x2, 0, screen_width), y2,
00178 screen_width, screen_height, colour, width, dash);
00179 return;
00180 }
00181 if (x2 == x) {
00182
00183 blitter->DrawLine(video,
00184 x, Clamp(y, 0, screen_height),
00185 x2, Clamp(y2, 0, screen_height),
00186 screen_width, screen_height, colour, width, dash);
00187 return;
00188 }
00189
00190 int grade_y = y2 - y;
00191 int grade_x = x2 - x;
00192
00193
00194 int margin = 1;
00195 while (INT_MAX / abs(grade_y) < max(abs(x), abs(screen_width - x))) {
00196 grade_y /= 2;
00197 grade_x /= 2;
00198 margin *= 2;
00199 }
00200
00201
00202
00203 int offset_0 = y - x * grade_y / grade_x;
00204 int offset_width = y + (screen_width - x) * grade_y / grade_x;
00205 if ((offset_0 > screen_height + width / 2 + margin && offset_width > screen_height + width / 2 + margin) ||
00206 (offset_0 < -width / 2 - margin && offset_width < -width / 2 - margin)) {
00207 return;
00208 }
00209
00210
00211
00212
00213
00214
00215
00216 blitter->DrawLine(video, x, y, x2, y2, screen_width, screen_height, colour, width, dash);
00217 }
00218
00230 static inline bool GfxPreprocessLine(DrawPixelInfo *dpi, int &x, int &y, int &x2, int &y2, int width)
00231 {
00232 x -= dpi->left;
00233 x2 -= dpi->left;
00234 y -= dpi->top;
00235 y2 -= dpi->top;
00236
00237
00238 if (x + width / 2 < 0 && x2 + width / 2 < 0 ) return false;
00239 if (y + width / 2 < 0 && y2 + width / 2 < 0 ) return false;
00240 if (x - width / 2 > dpi->width && x2 - width / 2 > dpi->width ) return false;
00241 if (y - width / 2 > dpi->height && y2 - width / 2 > dpi->height) return false;
00242 return true;
00243 }
00244
00245 void GfxDrawLine(int x, int y, int x2, int y2, int colour, int width, int dash)
00246 {
00247 DrawPixelInfo *dpi = _cur_dpi;
00248 if (GfxPreprocessLine(dpi, x, y, x2, y2, width)) {
00249 GfxDoDrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour, width, dash);
00250 }
00251 }
00252
00253 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00254 {
00255 DrawPixelInfo *dpi = _cur_dpi;
00256 if (GfxPreprocessLine(dpi, x, y, x2, y2, 1)) {
00257 GfxDoDrawLine(dpi->dst_ptr,
00258 UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00259 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00260 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour, 1);
00261 }
00262 }
00263
00277 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00278 {
00279
00280
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00290
00291
00292
00293
00294 static const byte colour = PC_WHITE;
00295
00296 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00297 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00298 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00299
00300 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00301 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00302 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00303 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00304 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00305 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00306 }
00307
00312 static void SetColourRemap(TextColour colour)
00313 {
00314 if (colour == TC_INVALID) return;
00315
00316
00317
00318 bool no_shade = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
00319 bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
00320 colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
00321
00322 _string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[colour];
00323 _string_colourremap[2] = no_shade ? 0 : 1;
00324 _colour_remap_ptr = _string_colourremap;
00325 }
00326
00342 static int DrawLayoutLine(const ParagraphLayouter::Line *line, int y, int left, int right, StringAlignment align, bool underline, bool truncation)
00343 {
00344 if (line->CountRuns() == 0) return 0;
00345
00346 int w = line->GetWidth();
00347 int h = line->GetLeading();
00348
00349
00350
00351
00352
00353
00354
00355
00356
00357
00358
00359
00360
00361 int max_w = right - left + 1;
00362
00363 int offset_x = 0;
00364 int min_x = left;
00365 int max_x = right;
00366
00367 truncation &= max_w < w;
00368 int dot_width = 0;
00369 const Sprite *dot_sprite = NULL;
00370
00371 if (truncation) {
00372
00373
00374
00375
00376
00377
00378 FontCache *fc = ((const Font*)line->GetVisualRun(0)->GetFont())->fc;
00379 GlyphID dot_glyph = fc->MapCharToGlyph('.');
00380 dot_width = fc->GetGlyphWidth(dot_glyph);
00381 dot_sprite = fc->GetGlyph(dot_glyph);
00382
00383 if (_current_text_dir == TD_RTL) {
00384 min_x += 3 * dot_width;
00385 offset_x = w - 3 * dot_width - max_w;
00386 } else {
00387 max_x -= 3 * dot_width;
00388 }
00389
00390 w = max_w;
00391 }
00392
00393
00394 if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
00395
00396
00397
00398
00399
00400
00401 switch (align & SA_HOR_MASK) {
00402 case SA_LEFT:
00403
00404 right = left + w - 1;
00405 break;
00406
00407 case SA_HOR_CENTER:
00408 left = RoundDivSU(right + 1 + left - w, 2);
00409
00410 right = left + w - 1;
00411 break;
00412
00413 case SA_RIGHT:
00414 left = right + 1 - w;
00415 break;
00416
00417 default:
00418 NOT_REACHED();
00419 }
00420
00421 for (int run_index = 0; run_index < line->CountRuns(); run_index++) {
00422 const ParagraphLayouter::VisualRun *run = line->GetVisualRun(run_index);
00423 const Font *f = (const Font*)run->GetFont();
00424
00425 FontCache *fc = f->fc;
00426 TextColour colour = f->colour;
00427 SetColourRemap(colour);
00428
00429 DrawPixelInfo *dpi = _cur_dpi;
00430 int dpi_left = dpi->left;
00431 int dpi_right = dpi->left + dpi->width - 1;
00432
00433 bool draw_shadow = fc->GetDrawGlyphShadow() && colour != TC_BLACK;
00434
00435 for (int i = 0; i < run->GetGlyphCount(); i++) {
00436 GlyphID glyph = run->GetGlyphs()[i];
00437
00438
00439 if (glyph == 0xFFFF) continue;
00440
00441 int begin_x = (int)run->GetPositions()[i * 2] + left - offset_x;
00442 int end_x = (int)run->GetPositions()[i * 2 + 2] + left - offset_x - 1;
00443 int top = (int)run->GetPositions()[i * 2 + 1] + y;
00444
00445
00446 if (truncation && (begin_x < min_x || end_x > max_x)) continue;
00447
00448 const Sprite *sprite = fc->GetGlyph(glyph);
00449
00450 if (begin_x + sprite->x_offs > dpi_right || begin_x + sprite->x_offs + sprite->width < dpi_left) continue;
00451
00452 if (draw_shadow && (glyph & SPRITE_GLYPH) == 0) {
00453 SetColourRemap(TC_BLACK);
00454 GfxMainBlitter(sprite, begin_x + 1, top + 1, BM_COLOUR_REMAP);
00455 SetColourRemap(colour);
00456 }
00457 GfxMainBlitter(sprite, begin_x, top, BM_COLOUR_REMAP);
00458 }
00459 }
00460
00461 if (truncation) {
00462 int x = (_current_text_dir == TD_RTL) ? left : (right - 3 * dot_width);
00463 for (int i = 0; i < 3; i++, x += dot_width) {
00464 GfxMainBlitter(dot_sprite, x, y, BM_COLOUR_REMAP);
00465 }
00466 }
00467
00468 if (underline) {
00469 GfxFillRect(left, y + h, right, y + h, _string_colourremap[1]);
00470 }
00471
00472 return (align & SA_HOR_MASK) == SA_RIGHT ? left : right;
00473 }
00474
00491 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00492 {
00493
00494 int max_height = max(max(FONT_HEIGHT_SMALL, FONT_HEIGHT_NORMAL), max(FONT_HEIGHT_LARGE, FONT_HEIGHT_MONO));
00495
00496
00497 int extra = max_height / 2;
00498
00499 if (_cur_dpi->top + _cur_dpi->height + extra < top || _cur_dpi->top > top + max_height + extra ||
00500 _cur_dpi->left + _cur_dpi->width + extra < left || _cur_dpi->left > right + extra) {
00501 return 0;
00502 }
00503
00504 Layouter layout(str, INT32_MAX, colour, fontsize);
00505 if (layout.Length() == 0) return 0;
00506
00507 return DrawLayoutLine(*layout.Begin(), top, left, right, align, underline, true);
00508 }
00509
00526 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00527 {
00528 char buffer[DRAW_STRING_BUFFER];
00529 GetString(buffer, str, lastof(buffer));
00530 return DrawString(left, right, top, buffer, colour, align, underline, fontsize);
00531 }
00532
00539 int GetStringHeight(const char *str, int maxw, FontSize fontsize)
00540 {
00541 Layouter layout(str, maxw, TC_FROMSTRING, fontsize);
00542 return layout.GetBounds().height;
00543 }
00544
00551 int GetStringHeight(StringID str, int maxw)
00552 {
00553 char buffer[DRAW_STRING_BUFFER];
00554 GetString(buffer, str, lastof(buffer));
00555 return GetStringHeight(buffer, maxw);
00556 }
00557
00564 int GetStringLineCount(StringID str, int maxw)
00565 {
00566 char buffer[DRAW_STRING_BUFFER];
00567 GetString(buffer, str, lastof(buffer));
00568
00569 Layouter layout(buffer, maxw);
00570 return layout.Length();
00571 }
00572
00579 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00580 {
00581 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00582 return box;
00583 }
00584
00591 Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion)
00592 {
00593 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00594 return box;
00595 }
00596
00612 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00613 {
00614 int maxw = right - left + 1;
00615 int maxh = bottom - top + 1;
00616
00617
00618
00619 if (maxh <= 0) return top;
00620
00621 Layouter layout(str, maxw, colour, fontsize);
00622 int total_height = layout.GetBounds().height;
00623 int y;
00624 switch (align & SA_VERT_MASK) {
00625 case SA_TOP:
00626 y = top;
00627 break;
00628
00629 case SA_VERT_CENTER:
00630 y = RoundDivSU(bottom + top - total_height, 2);
00631 break;
00632
00633 case SA_BOTTOM:
00634 y = bottom - total_height;
00635 break;
00636
00637 default: NOT_REACHED();
00638 }
00639
00640 int last_line = top;
00641 int first_line = bottom;
00642
00643 for (const ParagraphLayouter::Line **iter = layout.Begin(); iter != layout.End(); iter++) {
00644 const ParagraphLayouter::Line *line = *iter;
00645
00646 int line_height = line->GetLeading();
00647 if (y >= top && y < bottom) {
00648 last_line = y + line_height;
00649 if (first_line > y) first_line = y;
00650
00651 DrawLayoutLine(line, y, left, right, align, underline, false);
00652 }
00653 y += line_height;
00654 }
00655
00656 return ((align & SA_VERT_MASK) == SA_BOTTOM) ? first_line : last_line;
00657 }
00658
00674 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00675 {
00676 char buffer[DRAW_STRING_BUFFER];
00677 GetString(buffer, str, lastof(buffer));
00678 return DrawStringMultiLine(left, right, top, bottom, buffer, colour, align, underline, fontsize);
00679 }
00680
00691 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
00692 {
00693 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00694 return layout.GetBounds();
00695 }
00696
00703 Dimension GetStringBoundingBox(StringID strid)
00704 {
00705 char buffer[DRAW_STRING_BUFFER];
00706
00707 GetString(buffer, strid, lastof(buffer));
00708 return GetStringBoundingBox(buffer);
00709 }
00710
00719 Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsize)
00720 {
00721 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00722 return layout.GetCharPosition(ch);
00723 }
00724
00732 const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize)
00733 {
00734 if (x < 0) return NULL;
00735
00736 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00737 return layout.GetCharAtPosition(x);
00738 }
00739
00747 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
00748 {
00749 SetColourRemap(colour);
00750 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
00751 }
00752
00760 Dimension GetSpriteSize(SpriteID sprid, Point *offset, ZoomLevel zoom)
00761 {
00762 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
00763
00764 if (offset != NULL) {
00765 offset->x = UnScaleByZoom(sprite->x_offs, zoom);
00766 offset->y = UnScaleByZoom(sprite->y_offs, zoom);
00767 }
00768
00769 Dimension d;
00770 d.width = max<int>(0, UnScaleByZoom(sprite->x_offs + sprite->width, zoom));
00771 d.height = max<int>(0, UnScaleByZoom(sprite->y_offs + sprite->height, zoom));
00772 return d;
00773 }
00774
00783 void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
00784 {
00785 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
00786 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
00787 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00788 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite);
00789 } else if (pal != PAL_NONE) {
00790 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00791 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite);
00792 } else {
00793 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite);
00794 }
00795 }
00796
00806 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub, ZoomLevel zoom)
00807 {
00808 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
00809 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
00810 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00811 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite, zoom);
00812 } else if (pal != PAL_NONE) {
00813 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00814 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite, zoom);
00815 } else {
00816 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite, zoom);
00817 }
00818 }
00819
00831 template <int ZOOM_BASE, bool SCALED_XY>
00832 static void GfxBlitter(const Sprite * const sprite, int x, int y, BlitterMode mode, const SubSprite * const sub, SpriteID sprite_id, ZoomLevel zoom)
00833 {
00834 const DrawPixelInfo *dpi = _cur_dpi;
00835 Blitter::BlitterParams bp;
00836
00837 if (SCALED_XY) {
00838
00839 x = ScaleByZoom(x, zoom);
00840 y = ScaleByZoom(y, zoom);
00841 }
00842
00843
00844 x += sprite->x_offs;
00845 y += sprite->y_offs;
00846
00847 if (sub == NULL) {
00848
00849 bp.skip_left = 0;
00850 bp.skip_top = 0;
00851 bp.width = UnScaleByZoom(sprite->width, zoom);
00852 bp.height = UnScaleByZoom(sprite->height, zoom);
00853 } else {
00854
00855 int clip_left = max(0, -sprite->x_offs + sub->left * ZOOM_BASE );
00856 int clip_top = max(0, -sprite->y_offs + sub->top * ZOOM_BASE );
00857 int clip_right = max(0, sprite->width - (-sprite->x_offs + (sub->right + 1) * ZOOM_BASE));
00858 int clip_bottom = max(0, sprite->height - (-sprite->y_offs + (sub->bottom + 1) * ZOOM_BASE));
00859
00860 if (clip_left + clip_right >= sprite->width) return;
00861 if (clip_top + clip_bottom >= sprite->height) return;
00862
00863 bp.skip_left = UnScaleByZoomLower(clip_left, zoom);
00864 bp.skip_top = UnScaleByZoomLower(clip_top, zoom);
00865 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, zoom);
00866 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, zoom);
00867
00868 x += ScaleByZoom(bp.skip_left, zoom);
00869 y += ScaleByZoom(bp.skip_top, zoom);
00870 }
00871
00872
00873 bp.sprite = sprite->data;
00874 bp.sprite_width = sprite->width;
00875 bp.sprite_height = sprite->height;
00876 bp.top = 0;
00877 bp.left = 0;
00878
00879 bp.dst = dpi->dst_ptr;
00880 bp.pitch = dpi->pitch;
00881 bp.remap = _colour_remap_ptr;
00882
00883 assert(sprite->width > 0);
00884 assert(sprite->height > 0);
00885
00886 if (bp.width <= 0) return;
00887 if (bp.height <= 0) return;
00888
00889 y -= SCALED_XY ? ScaleByZoom(dpi->top, zoom) : dpi->top;
00890 int y_unscaled = UnScaleByZoom(y, zoom);
00891
00892 if (y < 0) {
00893 bp.height -= -y_unscaled;
00894 if (bp.height <= 0) return;
00895 bp.skip_top += -y_unscaled;
00896 y = 0;
00897 } else {
00898 bp.top = y_unscaled;
00899 }
00900
00901
00902 y += SCALED_XY ? ScaleByZoom(bp.height - dpi->height, zoom) : ScaleByZoom(bp.height, zoom) - dpi->height;
00903 if (y > 0) {
00904 bp.height -= UnScaleByZoom(y, zoom);
00905 if (bp.height <= 0) return;
00906 }
00907
00908 x -= SCALED_XY ? ScaleByZoom(dpi->left, zoom) : dpi->left;
00909 int x_unscaled = UnScaleByZoom(x, zoom);
00910
00911 if (x < 0) {
00912 bp.width -= -x_unscaled;
00913 if (bp.width <= 0) return;
00914 bp.skip_left += -x_unscaled;
00915 x = 0;
00916 } else {
00917 bp.left = x_unscaled;
00918 }
00919
00920
00921 x += SCALED_XY ? ScaleByZoom(bp.width - dpi->width, zoom) : ScaleByZoom(bp.width, zoom) - dpi->width;
00922 if (x > 0) {
00923 bp.width -= UnScaleByZoom(x, zoom);
00924 if (bp.width <= 0) return;
00925 }
00926
00927 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, zoom));
00928 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, zoom));
00929
00930
00931 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
00932 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
00933 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
00934 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
00935
00936 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
00937
00938 if (topleft <= clicked && clicked <= bottomright) {
00939 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
00940 if (offset < (uint)bp.width) {
00941 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
00942 }
00943 }
00944 }
00945
00946 BlitterFactory::GetCurrentBlitter()->Draw(&bp, mode, zoom);
00947 }
00948
00949 static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
00950 {
00951 GfxBlitter<ZOOM_LVL_BASE, false>(sprite, x, y, mode, sub, sprite_id, _cur_dpi->zoom);
00952 }
00953
00954 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id, ZoomLevel zoom)
00955 {
00956 GfxBlitter<1, true>(sprite, x, y, mode, sub, sprite_id, zoom);
00957 }
00958
00959 void DoPaletteAnimations();
00960
00961 void GfxInitPalettes()
00962 {
00963 memcpy(&_cur_palette, &_palette, sizeof(_cur_palette));
00964 DoPaletteAnimations();
00965 }
00966
00967 #define EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16)
00968 #define EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16)
00969
00970 void DoPaletteAnimations()
00971 {
00972
00973 static int palette_animation_counter = 0;
00974 palette_animation_counter += 8;
00975
00976 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
00977 const Colour *s;
00978 const ExtraPaletteValues *ev = &_extra_palette_values;
00979 Colour old_val[PALETTE_ANIM_SIZE];
00980 const uint old_tc = palette_animation_counter;
00981 uint i;
00982 uint j;
00983
00984 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
00985 palette_animation_counter = 0;
00986 }
00987
00988 Colour *palette_pos = &_cur_palette.palette[PALETTE_ANIM_START];
00989
00990
00991 memcpy(old_val, palette_pos, sizeof(old_val));
00992
00993
00994 s = ev->fizzy_drink;
00995 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
00996 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
00997 *palette_pos++ = s[j];
00998 j++;
00999 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01000 }
01001
01002
01003 s = ev->oil_refinery;
01004 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01005 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01006 *palette_pos++ = s[j];
01007 j++;
01008 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01009 }
01010
01011
01012 {
01013 byte i = (palette_animation_counter >> 1) & 0x7F;
01014 byte v;
01015
01016 if (i < 0x3f) {
01017 v = 255;
01018 } else if (i < 0x4A || i >= 0x75) {
01019 v = 128;
01020 } else {
01021 v = 20;
01022 }
01023 palette_pos->r = v;
01024 palette_pos->g = 0;
01025 palette_pos->b = 0;
01026 palette_pos++;
01027
01028 i ^= 0x40;
01029 if (i < 0x3f) {
01030 v = 255;
01031 } else if (i < 0x4A || i >= 0x75) {
01032 v = 128;
01033 } else {
01034 v = 20;
01035 }
01036 palette_pos->r = v;
01037 palette_pos->g = 0;
01038 palette_pos->b = 0;
01039 palette_pos++;
01040 }
01041
01042
01043 s = ev->lighthouse;
01044 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01045 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01046 *palette_pos++ = s[j];
01047 j++;
01048 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01049 }
01050
01051
01052 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01053 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01054 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01055 *palette_pos++ = s[j];
01056 j++;
01057 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01058 }
01059
01060
01061 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01062 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01063 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01064 *palette_pos++ = s[j];
01065 j += 3;
01066 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01067 }
01068
01069 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01070 palette_animation_counter = old_tc;
01071 } else {
01072 if (memcmp(old_val, &_cur_palette.palette[PALETTE_ANIM_START], sizeof(old_val)) != 0 && _cur_palette.count_dirty == 0) {
01073
01074 _cur_palette.first_dirty = PALETTE_ANIM_START;
01075 _cur_palette.count_dirty = PALETTE_ANIM_SIZE;
01076 }
01077 }
01078 }
01079
01085 TextColour GetContrastColour(uint8 background)
01086 {
01087 Colour c = _cur_palette.palette[background];
01088
01089
01090 uint sq1000_brightness = c.r * c.r * 299 + c.g * c.g * 587 + c.b * c.b * 114;
01091
01092 return sq1000_brightness < 128 * 128 * 1000 ? TC_WHITE : TC_BLACK;
01093 }
01094
01099 void LoadStringWidthTable(bool monospace)
01100 {
01101 for (FontSize fs = monospace ? FS_MONO : FS_BEGIN; fs < (monospace ? FS_END : FS_MONO); fs++) {
01102 for (uint i = 0; i != 224; i++) {
01103 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01104 }
01105 }
01106
01107 ReInitAllWindows();
01108 }
01109
01116 byte GetCharacterWidth(FontSize size, WChar key)
01117 {
01118
01119 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01120
01121 return GetGlyphWidth(size, key);
01122 }
01123
01129 byte GetDigitWidth(FontSize size)
01130 {
01131 byte width = 0;
01132 for (char c = '0'; c <= '9'; c++) {
01133 width = max(GetCharacterWidth(size, c), width);
01134 }
01135 return width;
01136 }
01137
01144 void GetBroadestDigit(uint *front, uint *next, FontSize size)
01145 {
01146 int width = -1;
01147 for (char c = '9'; c >= '0'; c--) {
01148 int w = GetCharacterWidth(size, c);
01149 if (w > width) {
01150 width = w;
01151 *next = c - '0';
01152 if (c != '0') *front = c - '0';
01153 }
01154 }
01155 }
01156
01157 void ScreenSizeChanged()
01158 {
01159 _dirty_bytes_per_line = CeilDiv(_screen.width, DIRTY_BLOCK_WIDTH);
01160 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * CeilDiv(_screen.height, DIRTY_BLOCK_HEIGHT));
01161
01162
01163 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01164 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01165
01166
01167 _cursor.visible = false;
01168 }
01169
01170 void UndrawMouseCursor()
01171 {
01172
01173 if (_screen.dst_ptr == NULL) return;
01174
01175 if (_cursor.visible) {
01176 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
01177 _cursor.visible = false;
01178 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);
01179 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01180 }
01181 }
01182
01183 void DrawMouseCursor()
01184 {
01185 #if defined(WINCE)
01186
01187 return;
01188 #endif
01189
01190
01191 if (_screen.dst_ptr == NULL) return;
01192
01193 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
01194 int x;
01195 int y;
01196 int w;
01197 int h;
01198
01199
01200 if (!_cursor.in_window) return;
01201
01202
01203 if (_cursor.visible) {
01204 if (!_cursor.dirty) return;
01205 UndrawMouseCursor();
01206 }
01207
01208 w = _cursor.size.x;
01209 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01210 if (x < 0) {
01211 w += x;
01212 x = 0;
01213 }
01214 if (w > _screen.width - x) w = _screen.width - x;
01215 if (w <= 0) return;
01216 _cursor.draw_pos.x = x;
01217 _cursor.draw_size.x = w;
01218
01219 h = _cursor.size.y;
01220 y = _cursor.pos.y + _cursor.offs.y;
01221 if (y < 0) {
01222 h += y;
01223 y = 0;
01224 }
01225 if (h > _screen.height - y) h = _screen.height - y;
01226 if (h <= 0) return;
01227 _cursor.draw_pos.y = y;
01228 _cursor.draw_size.y = h;
01229
01230 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01231
01232
01233 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01234
01235
01236 _cur_dpi = &_screen;
01237 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01238
01239 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01240
01241 _cursor.visible = true;
01242 _cursor.dirty = false;
01243 }
01244
01245 void RedrawScreenRect(int left, int top, int right, int bottom)
01246 {
01247 assert(right <= _screen.width && bottom <= _screen.height);
01248 if (_cursor.visible) {
01249 if (right > _cursor.draw_pos.x &&
01250 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01251 bottom > _cursor.draw_pos.y &&
01252 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01253 UndrawMouseCursor();
01254 }
01255 }
01256
01257 #ifdef ENABLE_NETWORK
01258 if (_networking) NetworkUndrawChatMessage();
01259 #endif
01260
01261 DrawOverlappedWindowForAll(left, top, right, bottom);
01262
01263 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01264 }
01265
01271 void DrawDirtyBlocks()
01272 {
01273 byte *b = _dirty_blocks;
01274 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01275 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01276 int x;
01277 int y;
01278
01279 if (HasModalProgress()) {
01280
01281
01282 _modal_progress_paint_mutex->EndCritical();
01283 _modal_progress_work_mutex->EndCritical();
01284
01285
01286 if (!IsFirstModalProgressLoop()) CSleep(MODAL_PROGRESS_REDRAW_TIMEOUT);
01287 _realtime_tick += MODAL_PROGRESS_REDRAW_TIMEOUT;
01288 _modal_progress_paint_mutex->BeginCritical();
01289 _modal_progress_work_mutex->BeginCritical();
01290
01291
01292
01293
01294
01295 if (_switch_mode != SM_NONE && !HasModalProgress()) return;
01296 }
01297
01298 y = 0;
01299 do {
01300 x = 0;
01301 do {
01302 if (*b != 0) {
01303 int left;
01304 int top;
01305 int right = x + DIRTY_BLOCK_WIDTH;
01306 int bottom = y;
01307 byte *p = b;
01308 int h2;
01309
01310
01311 do {
01312 *p = 0;
01313 p += _dirty_bytes_per_line;
01314 bottom += DIRTY_BLOCK_HEIGHT;
01315 } while (bottom != h && *p != 0);
01316
01317
01318 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01319 assert(h2 > 0);
01320 p = b;
01321
01322 while (right != w) {
01323 byte *p2 = ++p;
01324 int h = h2;
01325
01326 do {
01327 if (!*p2) goto no_more_coalesc;
01328 p2 += _dirty_bytes_per_line;
01329 } while (--h != 0);
01330
01331
01332
01333 right += DIRTY_BLOCK_WIDTH;
01334
01335 h = h2;
01336 p2 = p;
01337 do {
01338 *p2 = 0;
01339 p2 += _dirty_bytes_per_line;
01340 } while (--h != 0);
01341 }
01342 no_more_coalesc:
01343
01344 left = x;
01345 top = y;
01346
01347 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01348 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01349 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01350 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01351
01352 if (left < right && top < bottom) {
01353 RedrawScreenRect(left, top, right, bottom);
01354 }
01355
01356 }
01357 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01358 } while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01359
01360 ++_dirty_block_colour;
01361 _invalid_rect.left = w;
01362 _invalid_rect.top = h;
01363 _invalid_rect.right = 0;
01364 _invalid_rect.bottom = 0;
01365 }
01366
01382 void SetDirtyBlocks(int left, int top, int right, int bottom)
01383 {
01384 byte *b;
01385 int width;
01386 int height;
01387
01388 if (left < 0) left = 0;
01389 if (top < 0) top = 0;
01390 if (right > _screen.width) right = _screen.width;
01391 if (bottom > _screen.height) bottom = _screen.height;
01392
01393 if (left >= right || top >= bottom) return;
01394
01395 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01396 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01397 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01398 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01399
01400 left /= DIRTY_BLOCK_WIDTH;
01401 top /= DIRTY_BLOCK_HEIGHT;
01402
01403 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01404
01405 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01406 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01407
01408 assert(width > 0 && height > 0);
01409
01410 do {
01411 int i = width;
01412
01413 do b[--i] = 0xFF; while (i != 0);
01414
01415 b += _dirty_bytes_per_line;
01416 } while (--height != 0);
01417 }
01418
01425 void MarkWholeScreenDirty()
01426 {
01427 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01428 }
01429
01444 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01445 {
01446 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
01447 const DrawPixelInfo *o = _cur_dpi;
01448
01449 n->zoom = ZOOM_LVL_NORMAL;
01450
01451 assert(width > 0);
01452 assert(height > 0);
01453
01454 if ((left -= o->left) < 0) {
01455 width += left;
01456 if (width <= 0) return false;
01457 n->left = -left;
01458 left = 0;
01459 } else {
01460 n->left = 0;
01461 }
01462
01463 if (width > o->width - left) {
01464 width = o->width - left;
01465 if (width <= 0) return false;
01466 }
01467 n->width = width;
01468
01469 if ((top -= o->top) < 0) {
01470 height += top;
01471 if (height <= 0) return false;
01472 n->top = -top;
01473 top = 0;
01474 } else {
01475 n->top = 0;
01476 }
01477
01478 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01479 n->pitch = o->pitch;
01480
01481 if (height > o->height - top) {
01482 height = o->height - top;
01483 if (height <= 0) return false;
01484 }
01485 n->height = height;
01486
01487 return true;
01488 }
01489
01494 void UpdateCursorSize()
01495 {
01496 CursorVars *cv = &_cursor;
01497 const Sprite *p = GetSprite(GB(cv->sprite, 0, SPRITE_WIDTH), ST_NORMAL);
01498
01499 cv->size.y = UnScaleByZoom(p->height, ZOOM_LVL_GUI);
01500 cv->size.x = UnScaleByZoom(p->width, ZOOM_LVL_GUI);
01501 cv->offs.x = UnScaleByZoom(p->x_offs, ZOOM_LVL_GUI);
01502 cv->offs.y = UnScaleByZoom(p->y_offs, ZOOM_LVL_GUI);
01503
01504 cv->dirty = true;
01505 }
01506
01512 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01513 {
01514 CursorVars *cv = &_cursor;
01515 if (cv->sprite == cursor) return;
01516
01517 cv->sprite = cursor;
01518 cv->pal = pal;
01519 UpdateCursorSize();
01520
01521 cv->short_vehicle_offset = 0;
01522 }
01523
01524 static void SwitchAnimatedCursor()
01525 {
01526 const AnimCursor *cur = _cursor.animate_cur;
01527
01528 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01529
01530 SetCursorSprite(cur->sprite, _cursor.pal);
01531
01532 _cursor.animate_timeout = cur->display_time;
01533 _cursor.animate_cur = cur + 1;
01534 }
01535
01536 void CursorTick()
01537 {
01538 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0) {
01539 SwitchAnimatedCursor();
01540 }
01541 }
01542
01549 void SetMouseCursor(CursorID sprite, PaletteID pal)
01550 {
01551
01552 _cursor.animate_timeout = 0;
01553
01554 SetCursorSprite(sprite, pal);
01555 }
01556
01562 void SetAnimatedMouseCursor(const AnimCursor *table)
01563 {
01564 _cursor.animate_list = table;
01565 _cursor.animate_cur = NULL;
01566 _cursor.pal = PAL_NONE;
01567 SwitchAnimatedCursor();
01568 }
01569
01570 bool ChangeResInGame(int width, int height)
01571 {
01572 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01573 }
01574
01575 bool ToggleFullScreen(bool fs)
01576 {
01577 bool result = _video_driver->ToggleFullscreen(fs);
01578 if (_fullscreen != fs && _num_resolutions == 0) {
01579 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01580 }
01581 return result;
01582 }
01583
01584 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01585 {
01586 int x = pa->width - pb->width;
01587 if (x != 0) return x;
01588 return pa->height - pb->height;
01589 }
01590
01591 void SortResolutions(int count)
01592 {
01593 QSortT(_resolutions, count, &compare_res);
01594 }