1 // ============================================================================
2 // Mirror Magic -- McDuffin's Revenge
3 // ----------------------------------------------------------------------------
4 // (c) 1994-2017 by Artsoft Entertainment
7 // https://www.artsoft.org/
8 // ----------------------------------------------------------------------------
10 // ============================================================================
20 void SetDrawtoField_MM(int mode)
22 int full_xsize = lev_fieldx * TILESIZE_VAR;
23 int full_ysize = lev_fieldy * TILESIZE_VAR;
25 // distance (delta) from screen border (SX/SY) to centered level playfield
26 dSX = (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
27 dSY = (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
29 // for convenience, absolute screen position to centered level playfield
32 cSX2 = SX + dSX + 2; // including playfield border
33 cSY2 = SY + dSY + 2; // including playfield border
35 if (mode == DRAW_TO_BACKBUFFER)
41 SetTileCursorSXSY(cSX, cSY);
44 void BackToFront_MM(void)
46 BlitScreenToBitmap_MM(backbuffer);
51 void ClearWindow(void)
53 ClearRectangle(drawto_mm, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
55 SetDrawtoField(DRAW_TO_BACKBUFFER);
56 SetDrawtoField_MM(DRAW_TO_BACKBUFFER);
58 redraw_mask |= REDRAW_FIELD;
61 void DrawGraphicAnimation_MM(int x, int y, int graphic, int frame)
66 getGraphicSource(graphic, frame, &bitmap, &src_x, &src_y);
68 BlitBitmap(bitmap, drawto_mm, src_x, src_y, TILEX, TILEY,
69 cFX + x * TILEX, cFY + y * TILEY);
72 void DrawGraphic_MM(int x, int y, int graphic)
75 if (!IN_SCR_FIELD(x,y))
77 Debug("game:mm:DrawGraphic_MM", "x = %d, y = %d, graphic = %d",
79 Debug("game:mm:DrawGraphic_MM", "This should never happen!");
85 int frame = getGraphicAnimationFrameXY(graphic, x, y);
87 DrawGraphicAnimation_MM(x, y, graphic, frame);
92 void DrawGraphicExt_MM(DrawBuffer *d, int x, int y, int graphic)
97 getGraphicSource(graphic, 0, &bitmap, &src_x, &src_y);
99 BlitBitmap(bitmap, d, src_x, src_y, TILEX, TILEY, x, y);
102 void DrawGraphicThruMask_MM(int x, int y, int graphic, int frame)
105 if (!IN_SCR_FIELD(x,y))
107 Debug("game:mm:DrawGraphicThruMask_MM", "x = %d,y = %d, graphic = %d",
109 Debug("game:mm:DrawGraphicThruMask_MM", "This should never happen!");
115 DrawGraphicThruMaskExt_MM(drawto_mm, cFX + x * TILEX, cFY + y * TILEY,
121 void DrawGraphicThruMaskExt_MM(DrawBuffer *d, int dest_x, int dest_y,
122 int graphic, int frame)
127 if (graphic == IMG_EMPTY)
130 getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
132 BlitBitmapMasked(src_bitmap, d, src_x, src_y, TILEX, TILEY, dest_x, dest_y);
135 void DrawMiniGraphic_MM(int x, int y, int graphic)
137 DrawMiniGraphicExt_MM(drawto_mm, cSX + x * MINI_TILEX, cSY + y * MINI_TILEY,
140 MarkTileDirty(x / 2, y / 2);
143 void DrawMiniGraphicExt_MM(DrawBuffer *d, int x, int y, int graphic)
148 getMiniGraphicSource(graphic, &bitmap, &src_x, &src_y);
150 BlitBitmap(bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
153 void DrawGraphicShifted_MM(int x,int y, int dx,int dy, int graphic,
154 int cut_mode, int mask_mode)
156 int width = TILEX, height = TILEY;
158 int src_x, src_y, dest_x, dest_y;
163 DrawGraphic_MM(x, y, graphic);
168 if (dx || dy) // Verschiebung der Grafik?
170 if (x < BX1) // Element kommt von links ins Bild
177 else if (x > BX2) // Element kommt von rechts ins Bild
183 else if (x==BX1 && dx < 0) // Element verläßt links das Bild
189 else if (x==BX2 && dx > 0) // Element verläßt rechts das Bild
191 else if (dx) // allg. Bewegung in x-Richtung
192 MarkTileDirty(x + SIGN(dx), y);
194 if (y < BY1) // Element kommt von oben ins Bild
196 if (cut_mode==CUT_BELOW) // Element oberhalb des Bildes
204 else if (y > BY2) // Element kommt von unten ins Bild
210 else if (y==BY1 && dy < 0) // Element verläßt oben das Bild
216 else if (dy > 0 && cut_mode == CUT_ABOVE)
218 if (y == BY2) // Element unterhalb des Bildes
224 MarkTileDirty(x, y + 1);
225 } // Element verläßt unten das Bild
226 else if (dy > 0 && (y == BY2 || cut_mode == CUT_BELOW))
230 else if (dy) // allg. Bewegung in y-Richtung
232 MarkTileDirty(x, y + SIGN(dy));
236 getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
241 dest_x = cFX + x * TILEX + dx;
242 dest_y = cFY + y * TILEY + dy;
245 if (!IN_SCR_FIELD(x,y))
247 Debug("game:mm:DrawGraphicShifted_MM", "x = %d, y = %d, graphic = %d",
249 Debug("game:mm:DrawGraphicShifted_MM", "This should never happen!");
255 if (mask_mode == USE_MASKING)
256 BlitBitmapMasked(src_bitmap, drawto_mm,
257 src_x, src_y, TILEX, TILEY, dest_x, dest_y);
259 BlitBitmap(src_bitmap, drawto_mm,
260 src_x, src_y, width, height, dest_x, dest_y);
265 void DrawScreenElementExt_MM(int x, int y, int dx, int dy, int element,
266 int cut_mode, int mask_mode)
268 int ux = LEVELX(x), uy = LEVELY(y);
269 int graphic = el2gfx(element);
270 int phase8 = ABS(MovPos[ux][uy]) / (TILEX / 8);
271 int phase2 = phase8 / 4;
272 int dir = MovDir[ux][uy];
274 if (element == EL_PACMAN)
276 graphic = (phase2 ? IMG_MM_PACMAN_RIGHT : IMG_MM_PACMAN_EATING_RIGHT);
280 else if (dir == MV_LEFT)
282 else if (dir == MV_DOWN)
287 DrawGraphicShifted_MM(x, y, dx, dy, graphic, cut_mode, mask_mode);
288 else if (mask_mode == USE_MASKING)
289 DrawGraphicThruMask_MM(x, y, graphic, 0);
291 DrawGraphic_MM(x, y, graphic);
294 void DrawLevelElementExt_MM(int x, int y, int dx, int dy, int element,
295 int cut_mode, int mask_mode)
297 if (IN_LEV_FIELD(x, y) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
298 DrawScreenElementExt_MM(SCREENX(x), SCREENY(y), dx, dy, element,
299 cut_mode, mask_mode);
302 void DrawScreenElementShifted_MM(int x, int y, int dx, int dy, int element,
305 DrawScreenElementExt_MM(x, y, dx, dy, element, cut_mode, NO_MASKING);
308 void DrawScreenElement_MM(int x, int y, int element)
310 DrawScreenElementExt_MM(x, y, 0, 0, element, NO_CUTTING, NO_MASKING);
313 void DrawScreenField_MM(int x, int y)
315 int element = Tile[x][y];
317 if (!IN_LEV_FIELD(x, y))
322 int horiz_move = (MovDir[x][y] == MV_LEFT || MovDir[x][y] == MV_RIGHT);
324 DrawScreenElement_MM(x, y, EL_EMPTY);
327 DrawScreenElementShifted_MM(x, y, MovPos[x][y], 0, element, NO_CUTTING);
329 DrawScreenElementShifted_MM(x, y, 0, MovPos[x][y], element, NO_CUTTING);
331 else if (IS_BLOCKED(x, y))
337 Blocked2Moving(x, y, &oldx, &oldy);
341 horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
342 MovDir[oldx][oldy] == MV_RIGHT);
344 DrawScreenElement_MM(x, y, EL_EMPTY);
346 element = Tile[oldx][oldy];
349 DrawScreenElementShifted_MM(sx, sy, MovPos[oldx][oldy], 0, element,
352 DrawScreenElementShifted_MM(sx, sy, 0, MovPos[oldx][oldy], element,
355 else if (IS_DRAWABLE(element))
357 DrawScreenElement_MM(x, y, element);
361 DrawScreenElement_MM(x, y, EL_EMPTY);
365 void DrawLevelField_MM(int x, int y)
367 DrawScreenField_MM(x, y);
370 void DrawMiniElement_MM(int x, int y, int element)
376 DrawMiniGraphic_MM(x, y, IMG_EMPTY);
381 graphic = el2gfx(element);
383 DrawMiniGraphic_MM(x, y, graphic);
386 void DrawMiniElementOrWall_MM(int sx, int sy, int scroll_x, int scroll_y)
388 int x = sx + scroll_x, y = sy + scroll_y;
390 if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
391 DrawMiniElement_MM(sx, sy, EL_EMPTY);
392 else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
393 DrawMiniElement_MM(sx, sy, Tile[x][y]);
396 void DrawField_MM(int x, int y)
398 int element = Tile[x][y];
400 DrawElement_MM(x, y, element);
403 void DrawLevel_MM(void)
409 for (x = 0; x < lev_fieldx; x++)
410 for (y = 0; y < lev_fieldy; y++)
413 redraw_mask |= REDRAW_FIELD;
416 void DrawWallsExt_MM(int x, int y, int element, int draw_mask)
419 int graphic = el2gfx(WALL_BASE(element));
423 getMiniGraphicSource(graphic, &bitmap, &gx, &gy);
425 DrawGraphic_MM(x, y, IMG_EMPTY);
428 if (IS_WALL_WOOD(element) || IS_WALL_AMOEBA(element) ||
429 IS_DF_WALL_WOOD(element))
431 if (IS_WALL_ICE(element) || IS_WALL_AMOEBA(element))
435 for (i = 0; i < 4; i++)
437 int dest_x = cSX + x * TILEX + MINI_TILEX * (i % 2);
438 int dest_y = cSY + y * TILEY + MINI_TILEY * (i / 2);
440 if (!((1 << i) & draw_mask))
443 if (element & (1 << i))
444 BlitBitmap(bitmap, drawto_mm, gx, gy, MINI_TILEX, MINI_TILEY,
447 ClearRectangle(drawto_mm, dest_x, dest_y, MINI_TILEX, MINI_TILEY);
453 void DrawWalls_MM(int x, int y, int element)
455 DrawWallsExt_MM(x, y, element, HIT_MASK_ALL);
458 void DrawWallsAnimation_MM(int x, int y, int element, int phase, int bit_mask)
464 DrawWalls_MM(x, y, element);
469 for (i = 0; i < 4; i++)
471 if (element & (1 << i))
477 int dst_x = cSX + x * TILEX + (i % 2) * MINI_TILEX;
478 int dst_y = cSY + y * TILEY + (i / 2) * MINI_TILEY;
480 if (bit_mask & (1 << i))
482 graphic = (IS_WALL_AMOEBA(element) ?
483 IMG_MM_AMOEBA_WALL_GROWING :
484 IMG_MM_ICE_WALL_SHRINKING);
489 graphic = (IS_WALL_AMOEBA(element) ?
495 getSizedGraphicSource(graphic, frame, MINI_TILESIZE, &bitmap,
498 BlitBitmap(bitmap, drawto_mm, src_x, src_y, MINI_TILEX, MINI_TILEY,
506 void DrawElement_MM(int x, int y, int element)
508 if (element == EL_EMPTY)
509 DrawGraphic_MM(x, y, IMG_EMPTY);
510 else if (IS_WALL(element))
511 DrawWalls_MM(x, y, element);
513 else if (IS_WALL_CHANGING(element) && IS_WALL_CHANGING(Tile[x][y]))
515 int wall_element = Tile[x][y] - EL_WALL_CHANGING + Store[x][y];
517 DrawWalls_MM(x, y, wall_element);
520 else if (element == EL_PACMAN)
521 DrawLevelField_MM(x, y);
522 else if (element == EL_FUSE_ON &&
526 DrawGraphic_MM(x, y, IMG_MM_FUSE);
527 else if (element == EL_GRAY_BALL_ACTIVE)
528 DrawGraphic_MM(x, y, el_act2gfx(EL_GRAY_BALL, MM_ACTION_ACTIVE));
529 else if (element == EL_GRAY_BALL_OPENING)
530 DrawGraphic_MM(x, y, el_act2gfx(EL_GRAY_BALL, MM_ACTION_OPENING));
531 else if (element == EL_BOMB_ACTIVE)
532 DrawGraphic_MM(x, y, el_act2gfx(EL_BOMB, MM_ACTION_ACTIVE));
533 else if (element == EL_MINE_ACTIVE)
534 DrawGraphic_MM(x, y, el_act2gfx(EL_MINE, MM_ACTION_ACTIVE));
536 DrawGraphic_MM(x, y, el2gfx(element));
540 // ----------------------------------------------------------------------------
542 // ----------------------------------------------------------------------------
544 #define XSN_RND(x) ((x) != 0 ? rand() % (x) : 0)
545 #define XSN_ALPHA_VALUE(x) (SDL_ALPHA_OPAQUE * (x) / 100)
547 #define XSN_MAX_ITEMS 100
548 #define XSN_MAX_HEIGHT 40
550 #define XSN_MAX_DY 10
551 #define XSN_CHECK_DELAY 3
552 #define XSN_START_DELAY 60
553 #define XSN_UPDATE_DELAY 50
554 #define XSN_GROWTH_DELAY 3
555 #define XSN_GROWTH_RATE 3
556 #define XSN_CHANGE_DELAY 30
557 #define XSN_CHANGE_FACTOR 3
558 #define XSN_ALPHA_DEFAULT XSN_ALPHA_VALUE(95)
559 #define XSN_ALPHA_VISIBLE XSN_ALPHA_VALUE(50)
560 #define XSN_DEBUG_STEPS 5
562 static byte xsn_bits_0[] = { 0x05, 0x02, 0x05 };
563 static byte xsn_bits_1[] = { 0x22, 0x6b, 0x14, 0x2a, 0x14, 0x6b, 0x22 };
564 static byte xsn_bits_2[] = { 0x14, 0x08, 0x49, 0x36, 0x49, 0x08, 0x14 };
566 char debug_xsn_mode[] = { 76,101,116,32,105,116,32,115,110,111,119,33,0 };
568 void setHideSetupEntry(void *);
569 void removeHideSetupEntry(void *);
579 { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
580 { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
581 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
582 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
583 { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
584 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
585 { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
587 static int num_xsn_data = ARRAY_SIZE(xsn_data);
616 struct XsnItem items[XSN_MAX_ITEMS];
623 static struct Xsn xsn = { 0 };
625 static int xsn_percent(void)
628 int xsn_m1 = xsn_m0 + 10;
629 int xsn_m2 = xsn_m1 + 10;
630 int xsn_m3 = xsn_m2 + 10;
631 time_t xsn_e0 = time(NULL);
632 struct tm *xsn_t0 = localtime(&xsn_e0);
633 struct tm xsn_t1 = { 0,0,0, xsn_m2*3, xsn_m3/3, xsn_t0->tm_year, 0,0,-1 };
634 time_t xsn_e1 = mktime(&xsn_t1);
635 int xsn_c0 = (25 * xsn_m3) << xsn_m1;
636 int xsn_c1 = (xsn_t1.tm_wday - xsn_m1) * !!xsn_t1.tm_wday;
638 for (xsn_m0 = 5; xsn_m0 > 0; xsn_m0--)
640 int xsn_c2 = (xsn_m0 > 4 ? 0 : xsn_c1) - xsn_m1 * xsn_m0;
641 int xsn_off = (xsn_m0 > 4 ? xsn_c0 : 0);
642 time_t xsn_e3 = xsn_e1 - xsn_c2 * xsn_c0;
644 if (xsn_e0 > xsn_e3 - xsn_off &&
645 xsn_e0 < xsn_e3 + xsn_off + xsn_c0)
646 return xsn_m0 * (xsn_m3 - xsn_m1);
652 static void xsn_init_item(int nr)
654 struct XsnItem *item = &xsn.items[nr];
656 item->type = XSN_RND(num_xsn_data);
658 if (xsn.change_type != 0)
660 int new_x = XSN_RND(xsn.area_xsize / 3);
662 item->x = (xsn.change_dir == 1 ? new_x : xsn.area_xsize - new_x);
663 item->y = XSN_RND(xsn.area_ysize);
667 item->x = XSN_RND(xsn.area_xsize - xsn_data[item->type].size);
668 item->y = XSN_RND(xsn.area_ysize / 10);
671 item->dy = XSN_RND(xsn.max_dy + 1) + 1;
672 item->dx = XSN_RND(item->dy / 4 + 1) * (XSN_RND(1000) > 500 ? -1 : 1);
677 static void xsn_update_item(int nr)
679 struct XsnItem *item = &xsn.items[nr];
684 if (xsn.change_type != 0)
686 int dx_new = ABS(item->dx) +
687 (xsn.change_type == 1 ?
688 XSN_RND(XSN_CHANGE_FACTOR + 1) - XSN_CHANGE_FACTOR / 2 :
691 item->dx = MIN(MAX(-50, dx_new * xsn.change_dir), 50);
694 int new_x = item->x + item->dx;
695 int new_y = item->y + item->dy;
697 item->active = (new_y < xsn.area_ysize);
699 if (xsn.change_type != 0)
700 item->active = (item->active && new_x > 0 && new_x < xsn.area_xsize);
702 int item_size = xsn_data[item->type].size;
703 int half_item_size = item_size / 2;
704 int mid_x = new_x + half_item_size;
705 int mid_y = new_y + half_item_size;
706 int upper_border = xsn.area_ysize - xsn.max_height;
709 new_y >= upper_border &&
711 new_x <= xsn.area_xsize - item_size &&
712 mid_y >= xsn.height[mid_x] &&
713 mid_y < xsn.area_ysize)
715 Bitmap *item_bitmap = xsn_data[item->type].bitmap;
716 SDL_Surface *surface = xsn.bitmap->surface;
717 SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
718 int item_alpha = XSN_ALPHA_VALUE(81 + XSN_RND(20));
722 xsn.bitmap->surface = surface_masked;
724 SDLSetAlpha(item_bitmap->surface_masked, TRUE, item_alpha);
726 // blit to masked surface instead of opaque surface
727 BlitBitmapMasked(item_bitmap, xsn.bitmap, 0, 0, item_size, item_size,
728 new_x, new_y - upper_border);
730 SDLSetAlpha(item_bitmap->surface_masked, TRUE, XSN_ALPHA_DEFAULT);
732 for (i = -half_item_size; i <= half_item_size; i++)
734 int xpos = mid_x + i;
736 if (xpos >= 0 && xpos < xsn.area_xsize)
737 xsn.height[xpos] = MIN(new_y + ABS(i), xsn.height[xpos]);
740 if (xsn.height[mid_x] <= upper_border + shrink)
742 int xpos1 = MAX(0, new_x - half_item_size);
743 int xpos2 = MIN(new_x + 3 * half_item_size, xsn.area_xsize);
744 int xsize = xpos2 - xpos1;
745 int ysize1 = XSN_RND(xsn.max_height - shrink);
746 int ysize2 = xsn.max_height - ysize1;
748 SDLSetAlpha(surface_masked, FALSE, 0);
750 FillRectangle(xsn.bitmap, xpos1, xsn.max_height, xsize, xsn.max_height,
752 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, 0, xsize, ysize1,
753 xpos1, xsn.max_height + shrink);
754 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, ysize1, xsize, ysize2,
755 xpos1, xsn.max_height + ysize1);
756 FillRectangle(xsn.bitmap, xpos1, 0, xsize, xsn.max_height,
758 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, xsn.max_height,
759 xsize, xsn.max_height, xpos1, 0);
761 SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
763 for (i = xpos1; i < xpos2; i++)
764 xsn.height[i] = MIN(xsn.height[i] + shrink, xsn.area_ysize - 1);
767 SDLFreeBitmapTextures(xsn.bitmap);
768 SDLCreateBitmapTextures(xsn.bitmap);
770 xsn.bitmap->surface = surface;
775 item->dx += XSN_RND(XSN_CHANGE_FACTOR) * (XSN_RND(1000) > 500 ? -1 : 1);
777 if (xsn.change_type == 0)
778 item->dx = MIN(MAX(-xsn.max_dx, item->dx), xsn.max_dx);
784 static void xsn_update_change(void)
786 if (XSN_RND(100) > 65)
788 xsn.change_dir = (XSN_RND(10) > 4 ? 1 : -1);
789 xsn.change_delay = XSN_RND(5) + 1;
792 else if (xsn.change_type == 2)
794 xsn.change_delay = XSN_RND(3) + 1;
799 xsn.change_delay = XSN_CHANGE_DELAY;
804 static void DrawTileCursor_Xsn(int draw_target)
806 static boolean initialized = FALSE;
807 static boolean started = FALSE;
808 static boolean active = FALSE;
809 static boolean debug = FALSE;
810 static DelayCounter check_delay = { XSN_CHECK_DELAY * 1000 };
811 static DelayCounter start_delay = { 0 };
812 static DelayCounter growth_delay = { 0 };
813 static DelayCounter update_delay = { 0 };
814 static DelayCounter change_delay = { 0 };
815 static int percent = 0;
816 static int debug_value = 0;
817 boolean reinitialize = FALSE;
818 boolean active_last = active;
821 if (draw_target != DRAW_TO_SCREEN)
824 if (DelayReached(&check_delay))
826 percent = (debug ? debug_value * 100 / XSN_DEBUG_STEPS : xsn_percent());
829 setup.debug.xsn_percent = percent;
831 if (setup.debug.xsn_mode != AUTO)
832 percent = setup.debug.xsn_percent;
834 setup.debug.xsn_percent = percent;
836 active = (percent > 0);
838 if ((active && !active_last) || setup.debug.xsn_mode != AUTO)
839 removeHideSetupEntry(&setup.debug.xsn_mode);
840 else if (!active && active_last)
841 setHideSetupEntry(&setup.debug.xsn_mode);
843 if (setup.debug.xsn_mode == FALSE)
846 else if (tile_cursor.xsn_debug)
848 debug_value = (active ? 0 : MIN(debug_value + 1, XSN_DEBUG_STEPS));
852 ResetDelayCounter(&check_delay);
854 setup.debug.xsn_mode = (debug_value > 0);
855 tile_cursor.xsn_debug = FALSE;
863 xsn.area_xsize = gfx.win_xsize;
864 xsn.area_ysize = gfx.win_ysize;
866 for (i = 0; i < num_xsn_data; i++)
868 int size = xsn_data[i].size;
869 byte *bits = xsn_data[i].bits;
870 Bitmap *bitmap = CreateBitmap(size, size, DEFAULT_DEPTH);
872 FillRectangle(bitmap, 0, 0, size, size, BLACK_PIXEL);
874 for (y = 0; y < size; y++)
875 for (x = 0; x < size; x++)
876 if ((bits[y] >> x) & 0x01)
877 SDLPutPixel(bitmap, x, y, WHITE_PIXEL);
879 SDL_Surface *surface = bitmap->surface;
881 if ((bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
882 Fail("SDLGetNativeSurface() failed");
884 SDL_Surface *surface_masked = bitmap->surface_masked;
886 SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
887 SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
889 SDLSetAlpha(surface, TRUE, XSN_ALPHA_DEFAULT);
890 SDLSetAlpha(surface_masked, TRUE, XSN_ALPHA_DEFAULT);
892 xsn_data[i].bitmap = bitmap;
895 srand((unsigned int)time(NULL));
902 start_delay.value = (debug || setup.debug.xsn_mode == TRUE ? 0 :
903 (XSN_START_DELAY + XSN_RND(XSN_START_DELAY)) * 1000);
906 ResetDelayCounter(&start_delay);
914 xsn.max_items = percent * XSN_MAX_ITEMS / 100;
915 xsn.max_height = percent * XSN_MAX_HEIGHT / 100;
917 xsn.max_dx = XSN_MAX_DX;
918 xsn.max_dy = XSN_MAX_DY;
920 xsn.change_delay = XSN_CHANGE_DELAY;
924 xsn.alpha = XSN_ALPHA_DEFAULT;
926 for (i = 0; i < xsn.max_items; i++)
930 if (xsn.area_xsize != gfx.win_xsize ||
931 xsn.area_ysize != gfx.win_ysize ||
934 xsn.area_xsize = gfx.win_xsize;
935 xsn.area_ysize = gfx.win_ysize;
937 if (xsn.bitmap != NULL)
938 FreeBitmap(xsn.bitmap);
940 xsn.bitmap = CreateBitmap(xsn.area_xsize, xsn.max_height * 2,
943 FillRectangle(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
946 SDL_Surface *surface = xsn.bitmap->surface;
948 if ((xsn.bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
949 Fail("SDLGetNativeSurface() failed");
951 SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
953 SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
954 SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
956 SDLSetAlpha(surface, TRUE, xsn.alpha);
957 SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
959 SDLCreateBitmapTextures(xsn.bitmap);
961 for (i = 0; i < num_xsn_data; i++)
963 SDLFreeBitmapTextures(xsn_data[i].bitmap);
964 SDLCreateBitmapTextures(xsn_data[i].bitmap);
967 if (xsn.height != NULL)
968 checked_free(xsn.height);
970 xsn.height = checked_calloc(xsn.area_xsize * sizeof(int));
972 for (i = 0; i < xsn.area_xsize; i++)
973 xsn.height[i] = xsn.area_ysize - 1;
978 if (!DelayReached(&start_delay))
981 update_delay.value = XSN_UPDATE_DELAY;
982 growth_delay.value = XSN_GROWTH_DELAY * 1000;
983 change_delay.value = XSN_CHANGE_DELAY * 1000;
985 ResetDelayCounter(&growth_delay);
986 ResetDelayCounter(&update_delay);
987 ResetDelayCounter(&change_delay);
992 if (xsn.num_items < xsn.max_items)
994 if (DelayReached(&growth_delay))
996 xsn.num_items += XSN_RND(XSN_GROWTH_RATE * 2);
997 xsn.num_items = MIN(xsn.num_items, xsn.max_items);
1001 if (DelayReached(&update_delay))
1003 for (i = 0; i < xsn.num_items; i++)
1007 if (DelayReached(&change_delay))
1009 xsn_update_change();
1011 change_delay.value = xsn.change_delay * 1000;
1014 int xsn_alpha_dx = (gfx.mouse_y > xsn.area_ysize - xsn.max_height ?
1015 (xsn.alpha > XSN_ALPHA_VISIBLE ? -1 : 0) :
1016 (xsn.alpha < XSN_ALPHA_DEFAULT ? +1 : 0));
1018 if (xsn_alpha_dx != 0)
1020 xsn.alpha += xsn_alpha_dx;
1022 SDLSetAlpha(xsn.bitmap->surface_masked, TRUE, xsn.alpha);
1024 SDLFreeBitmapTextures(xsn.bitmap);
1025 SDLCreateBitmapTextures(xsn.bitmap);
1028 BlitToScreenMasked(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
1029 0, xsn.area_ysize - xsn.max_height);
1031 for (i = 0; i < xsn.num_items; i++)
1033 int dst_x = xsn.items[i].x;
1034 int dst_y = xsn.items[i].y;
1035 int type = xsn.items[i].type;
1036 int size = xsn_data[type].size;
1037 Bitmap *bitmap = xsn_data[type].bitmap;
1039 BlitToScreenMasked(bitmap, 0, 0, size, size, dst_x, dst_y);
1043 void DrawTileCursor_MM(int draw_target, boolean tile_cursor_active)
1045 if (program.headless)
1048 Bitmap *fade_bitmap;
1052 int graphic = IMG_GLOBAL_TILE_CURSOR;
1054 int tilesize = TILESIZE_VAR;
1055 int width = tilesize;
1056 int height = tilesize;
1058 DrawTileCursor_Xsn(draw_target);
1060 if (!tile_cursor.enabled ||
1061 !tile_cursor.active ||
1062 !tile_cursor_active)
1065 if (tile_cursor.moving)
1067 int step = TILESIZE_VAR / 4;
1068 int dx = tile_cursor.target_x - tile_cursor.x;
1069 int dy = tile_cursor.target_y - tile_cursor.y;
1072 tile_cursor.x = tile_cursor.target_x;
1074 tile_cursor.x += SIGN(dx) * step;
1077 tile_cursor.y = tile_cursor.target_y;
1079 tile_cursor.y += SIGN(dy) * step;
1081 if (tile_cursor.x == tile_cursor.target_x &&
1082 tile_cursor.y == tile_cursor.target_y)
1083 tile_cursor.moving = FALSE;
1086 dst_x = tile_cursor.x;
1087 dst_y = tile_cursor.y;
1089 frame = getGraphicAnimationFrame(graphic, -1);
1091 getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
1094 (draw_target == DRAW_TO_FADE_SOURCE ? gfx.fade_bitmap_source :
1095 draw_target == DRAW_TO_FADE_TARGET ? gfx.fade_bitmap_target : NULL);
1097 if (draw_target == DRAW_TO_SCREEN)
1098 BlitToScreenMasked(src_bitmap, src_x, src_y, width, height, dst_x, dst_y);
1100 BlitBitmapMasked(src_bitmap, fade_bitmap, src_x, src_y, width, height,
1104 Pixel ReadPixel(DrawBuffer *bitmap, int x, int y)
1106 return GetPixel(bitmap, x, y);
1109 int get_base_element(int element)
1111 if (IS_MIRROR(element))
1112 return EL_MIRROR_START;
1113 else if (IS_MIRROR_FIXED(element))
1114 return EL_MIRROR_FIXED_START;
1115 else if (IS_POLAR(element))
1116 return EL_POLAR_START;
1117 else if (IS_POLAR_CROSS(element))
1118 return EL_POLAR_CROSS_START;
1119 else if (IS_BEAMER(element))
1120 return EL_BEAMER_RED_START + BEAMER_NR(element) * 16;
1121 else if (IS_FIBRE_OPTIC(element))
1122 return EL_FIBRE_OPTIC_START + FIBRE_OPTIC_NR(element) * 2;
1123 else if (IS_MCDUFFIN(element))
1124 return EL_MCDUFFIN_START;
1125 else if (IS_LASER(element))
1126 return EL_LASER_START;
1127 else if (IS_RECEIVER(element))
1128 return EL_RECEIVER_START;
1129 else if (IS_DF_MIRROR(element))
1130 return EL_DF_MIRROR_START;
1131 else if (IS_DF_MIRROR_AUTO(element))
1132 return EL_DF_MIRROR_AUTO_START;
1133 else if (IS_PACMAN(element))
1134 return EL_PACMAN_START;
1135 else if (IS_GRID_STEEL(element))
1136 return EL_GRID_STEEL_START;
1137 else if (IS_GRID_WOOD(element))
1138 return EL_GRID_WOOD_START;
1139 else if (IS_GRID_STEEL_FIXED(element))
1140 return EL_GRID_STEEL_FIXED_START;
1141 else if (IS_GRID_WOOD_FIXED(element))
1142 return EL_GRID_WOOD_FIXED_START;
1143 else if (IS_GRID_STEEL_AUTO(element))
1144 return EL_GRID_STEEL_AUTO_START;
1145 else if (IS_GRID_WOOD_AUTO(element))
1146 return EL_GRID_WOOD_AUTO_START;
1147 else if (IS_WALL_STEEL(element))
1148 return EL_WALL_STEEL_START;
1149 else if (IS_WALL_WOOD(element))
1150 return EL_WALL_WOOD_START;
1151 else if (IS_WALL_ICE(element))
1152 return EL_WALL_ICE_START;
1153 else if (IS_WALL_AMOEBA(element))
1154 return EL_WALL_AMOEBA_START;
1155 else if (IS_DF_WALL_STEEL(element))
1156 return EL_DF_WALL_STEEL_START;
1157 else if (IS_DF_WALL_WOOD(element))
1158 return EL_DF_WALL_WOOD_START;
1159 else if (IS_CHAR(element))
1160 return EL_CHAR_START;
1165 int get_element_phase(int element)
1167 return element - get_base_element(element);
1170 int get_num_elements(int element)
1172 if (IS_MIRROR(element) ||
1173 IS_POLAR(element) ||
1174 IS_BEAMER(element) ||
1175 IS_DF_MIRROR(element) ||
1176 IS_DF_MIRROR_AUTO(element))
1178 else if (IS_GRID_STEEL_FIXED(element) ||
1179 IS_GRID_WOOD_FIXED(element) ||
1180 IS_GRID_STEEL_AUTO(element) ||
1181 IS_GRID_WOOD_AUTO(element))
1183 else if (IS_MIRROR_FIXED(element) ||
1184 IS_POLAR_CROSS(element) ||
1185 IS_MCDUFFIN(element) ||
1186 IS_LASER(element) ||
1187 IS_RECEIVER(element) ||
1188 IS_PACMAN(element) ||
1189 IS_GRID_STEEL(element) ||
1190 IS_GRID_WOOD(element))
1196 int get_rotated_element(int element, int step)
1198 int base_element = get_base_element(element);
1199 int num_elements = get_num_elements(element);
1200 int element_phase = element - base_element;
1202 return base_element + (element_phase + step + num_elements) % num_elements;
1205 int map_wall_from_base_element(int element)
1209 case EL_WALL_STEEL_BASE: return EL_WALL_STEEL;
1210 case EL_WALL_WOOD_BASE: return EL_WALL_WOOD;
1211 case EL_WALL_ICE_BASE: return EL_WALL_ICE;
1212 case EL_WALL_AMOEBA_BASE: return EL_WALL_AMOEBA;
1213 case EL_DF_WALL_STEEL_BASE: return EL_DF_WALL_STEEL;
1214 case EL_DF_WALL_WOOD_BASE: return EL_DF_WALL_WOOD;
1216 default: return element;
1220 int map_wall_to_base_element(int element)
1224 case EL_WALL_STEEL: return EL_WALL_STEEL_BASE;
1225 case EL_WALL_WOOD: return EL_WALL_WOOD_BASE;
1226 case EL_WALL_ICE: return EL_WALL_ICE_BASE;
1227 case EL_WALL_AMOEBA: return EL_WALL_AMOEBA_BASE;
1228 case EL_DF_WALL_STEEL: return EL_DF_WALL_STEEL_BASE;
1229 case EL_DF_WALL_WOOD: return EL_DF_WALL_WOOD_BASE;
1231 default: return element;
1235 int el2gfx(int element)
1237 return el2img_mm(map_wall_from_base_element(element));
1240 int el_act2gfx(int element, int action)
1242 return el_act2img_mm(map_wall_from_base_element(element), action);
1245 void RedrawPlayfield_MM(void)
1251 void BlitScreenToBitmap_MM(Bitmap *target_bitmap)
1253 BlitBitmap(drawto_mm, target_bitmap,
1254 REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE, REAL_SX, REAL_SY);