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 half laser line size
33 cSY2 = SY + dSY + 2; // including half laser line size
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 if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
368 DrawScreenField_MM(SCREENX(x), SCREENY(y));
369 else if (IS_MOVING(x, y))
373 Moving2Blocked(x, y, &newx, &newy);
374 if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
375 DrawScreenField_MM(SCREENX(newx), SCREENY(newy));
377 else if (IS_BLOCKED(x, y))
381 Blocked2Moving(x, y, &oldx, &oldy);
382 if (IN_SCR_FIELD(SCREENX(oldx), SCREENY(oldy)))
383 DrawScreenField_MM(SCREENX(oldx), SCREENY(oldy));
387 void DrawMiniElement_MM(int x, int y, int element)
393 DrawMiniGraphic_MM(x, y, IMG_EMPTY);
398 graphic = el2gfx(element);
400 DrawMiniGraphic_MM(x, y, graphic);
403 void DrawMiniElementOrWall_MM(int sx, int sy, int scroll_x, int scroll_y)
405 int x = sx + scroll_x, y = sy + scroll_y;
407 if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
408 DrawMiniElement_MM(sx, sy, EL_EMPTY);
409 else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
410 DrawMiniElement_MM(sx, sy, Tile[x][y]);
413 void DrawField_MM(int x, int y)
415 int element = Tile[x][y];
417 DrawElement_MM(x, y, element);
420 void DrawLevel_MM(void)
426 for (x = 0; x < lev_fieldx; x++)
427 for (y = 0; y < lev_fieldy; y++)
430 redraw_mask |= REDRAW_FIELD;
433 void DrawWallsExt_MM(int x, int y, int element, int draw_mask)
436 int graphic = el2gfx(WALL_BASE(element));
440 getMiniGraphicSource(graphic, &bitmap, &gx, &gy);
442 DrawGraphic_MM(x, y, IMG_EMPTY);
445 if (IS_WALL_WOOD(element) || IS_WALL_AMOEBA(element) ||
446 IS_DF_WALL_WOOD(element))
448 if (IS_WALL_ICE(element) || IS_WALL_AMOEBA(element))
452 for (i = 0; i < 4; i++)
454 int dest_x = cSX + x * TILEX + MINI_TILEX * (i % 2);
455 int dest_y = cSY + y * TILEY + MINI_TILEY * (i / 2);
457 if (!((1 << i) & draw_mask))
460 if (element & (1 << i))
461 BlitBitmap(bitmap, drawto_mm, gx, gy, MINI_TILEX, MINI_TILEY,
464 ClearRectangle(drawto_mm, dest_x, dest_y, MINI_TILEX, MINI_TILEY);
470 void DrawWalls_MM(int x, int y, int element)
472 DrawWallsExt_MM(x, y, element, HIT_MASK_ALL);
475 void DrawWallsAnimation_MM(int x, int y, int element, int phase, int bit_mask)
481 DrawWalls_MM(x, y, element);
486 for (i = 0; i < 4; i++)
488 if (element & (1 << i))
494 int dst_x = cSX + x * TILEX + (i % 2) * MINI_TILEX;
495 int dst_y = cSY + y * TILEY + (i / 2) * MINI_TILEY;
497 if (bit_mask & (1 << i))
499 graphic = (IS_WALL_AMOEBA(element) ?
500 IMG_MM_AMOEBA_WALL_GROWING :
501 IMG_MM_ICE_WALL_SHRINKING);
506 graphic = (IS_WALL_AMOEBA(element) ?
512 getSizedGraphicSource(graphic, frame, MINI_TILESIZE, &bitmap,
515 BlitBitmap(bitmap, drawto_mm, src_x, src_y, MINI_TILEX, MINI_TILEY,
523 void DrawElement_MM(int x, int y, int element)
525 if (element == EL_EMPTY)
526 DrawGraphic_MM(x, y, IMG_EMPTY);
527 else if (IS_WALL(element))
528 DrawWalls_MM(x, y, element);
530 else if (IS_WALL_CHANGING(element) && IS_WALL_CHANGING(Tile[x][y]))
532 int wall_element = Tile[x][y] - EL_WALL_CHANGING + Store[x][y];
534 DrawWalls_MM(x, y, wall_element);
537 else if (element == EL_PACMAN)
538 DrawLevelField_MM(x, y);
539 else if (element == EL_FUSE_ON &&
543 DrawGraphic_MM(x, y, IMG_MM_FUSE);
544 else if (element == EL_GRAY_BALL_ACTIVE)
545 DrawGraphic_MM(x, y, el_act2gfx(EL_GRAY_BALL, MM_ACTION_ACTIVE));
546 else if (element == EL_GRAY_BALL_OPENING)
547 DrawGraphic_MM(x, y, el_act2gfx(EL_GRAY_BALL, MM_ACTION_OPENING));
548 else if (element == EL_BOMB_ACTIVE)
549 DrawGraphic_MM(x, y, el_act2gfx(EL_BOMB, MM_ACTION_ACTIVE));
550 else if (element == EL_MINE_ACTIVE)
551 DrawGraphic_MM(x, y, el_act2gfx(EL_MINE, MM_ACTION_ACTIVE));
553 DrawGraphic_MM(x, y, el2gfx(element));
557 // ----------------------------------------------------------------------------
559 // ----------------------------------------------------------------------------
561 #define XSN_RND(x) ((x) != 0 ? rand() % (x) : 0)
562 #define XSN_ALPHA_VALUE(x) (SDL_ALPHA_OPAQUE * (x) / 100)
564 #define XSN_MAX_ITEMS 100
565 #define XSN_MAX_HEIGHT 40
567 #define XSN_MAX_DY 10
568 #define XSN_CHECK_DELAY 3
569 #define XSN_START_DELAY 60
570 #define XSN_UPDATE_DELAY 50
571 #define XSN_GROWTH_DELAY 3
572 #define XSN_GROWTH_RATE 3
573 #define XSN_CHANGE_DELAY 30
574 #define XSN_CHANGE_FACTOR 3
575 #define XSN_ALPHA_DEFAULT XSN_ALPHA_VALUE(95)
576 #define XSN_ALPHA_VISIBLE XSN_ALPHA_VALUE(50)
577 #define XSN_DEBUG_STEPS 5
579 static byte xsn_bits_0[] = { 0x05, 0x02, 0x05 };
580 static byte xsn_bits_1[] = { 0x22, 0x6b, 0x14, 0x2a, 0x14, 0x6b, 0x22 };
581 static byte xsn_bits_2[] = { 0x14, 0x08, 0x49, 0x36, 0x49, 0x08, 0x14 };
583 char debug_xsn_mode[] = { 76,101,116,32,105,116,32,115,110,111,119,33,0 };
585 void setHideSetupEntry(void *);
586 void removeHideSetupEntry(void *);
596 { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
597 { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
598 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
599 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
600 { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
601 { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
602 { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
604 static int num_xsn_data = ARRAY_SIZE(xsn_data);
633 struct XsnItem items[XSN_MAX_ITEMS];
640 static struct Xsn xsn = { 0 };
642 static int xsn_percent(void)
645 int xsn_m1 = xsn_m0 + 10;
646 int xsn_m2 = xsn_m1 + 10;
647 int xsn_m3 = xsn_m2 + 10;
648 time_t xsn_e0 = time(NULL);
649 struct tm *xsn_t0 = localtime(&xsn_e0);
650 struct tm xsn_t1 = { 0,0,0, xsn_m2 * 3, xsn_m3 / 3, xsn_t0->tm_year, 0,0,-1 };
651 time_t xsn_e1 = mktime(&xsn_t1);
652 int xsn_c0 = (25 * xsn_m3) << xsn_m1;
653 int xsn_c1 = (xsn_t1.tm_wday - xsn_m1) * !!xsn_t1.tm_wday;
655 for (xsn_m0 = 5; xsn_m0 > 0; xsn_m0--)
657 int xsn_c2 = (xsn_m0 > 4 ? 0 : xsn_c1) - xsn_m1 * xsn_m0;
658 int xsn_off = (xsn_m0 > 4 ? xsn_c0 : 0);
659 time_t xsn_e3 = xsn_e1 - xsn_c2 * xsn_c0;
661 if (xsn_e0 > xsn_e3 - xsn_off &&
662 xsn_e0 < xsn_e3 + xsn_off + xsn_c0)
663 return xsn_m0 * (xsn_m3 - xsn_m1);
669 static void xsn_init_item(int nr)
671 struct XsnItem *item = &xsn.items[nr];
673 item->type = XSN_RND(num_xsn_data);
675 if (xsn.change_type != 0)
677 int new_x = XSN_RND(xsn.area_xsize / 3);
679 item->x = (xsn.change_dir == 1 ? new_x : xsn.area_xsize - new_x);
680 item->y = XSN_RND(xsn.area_ysize);
684 item->x = XSN_RND(xsn.area_xsize - xsn_data[item->type].size);
685 item->y = XSN_RND(xsn.area_ysize / 10);
688 item->dy = XSN_RND(xsn.max_dy + 1) + 1;
689 item->dx = XSN_RND(item->dy / 4 + 1) * (XSN_RND(1000) > 500 ? -1 : 1);
694 static void xsn_update_item(int nr)
696 struct XsnItem *item = &xsn.items[nr];
701 if (xsn.change_type != 0)
703 int dx_new = ABS(item->dx) +
704 (xsn.change_type == 1 ?
705 XSN_RND(XSN_CHANGE_FACTOR + 1) - XSN_CHANGE_FACTOR / 2 :
708 item->dx = MIN(MAX(-50, dx_new * xsn.change_dir), 50);
711 int new_x = item->x + item->dx;
712 int new_y = item->y + item->dy;
714 item->active = (new_y < xsn.area_ysize);
716 if (xsn.change_type != 0)
717 item->active = (item->active && new_x > 0 && new_x < xsn.area_xsize);
719 int item_size = xsn_data[item->type].size;
720 int half_item_size = item_size / 2;
721 int mid_x = new_x + half_item_size;
722 int mid_y = new_y + half_item_size;
723 int upper_border = xsn.area_ysize - xsn.max_height;
726 new_y >= upper_border &&
728 new_x <= xsn.area_xsize - item_size &&
729 mid_y >= xsn.height[mid_x] &&
730 mid_y < xsn.area_ysize)
732 Bitmap *item_bitmap = xsn_data[item->type].bitmap;
733 SDL_Surface *surface = xsn.bitmap->surface;
734 SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
735 int item_alpha = XSN_ALPHA_VALUE(81 + XSN_RND(20));
739 xsn.bitmap->surface = surface_masked;
741 SDLSetAlpha(item_bitmap->surface_masked, TRUE, item_alpha);
743 // blit to masked surface instead of opaque surface
744 BlitBitmapMasked(item_bitmap, xsn.bitmap, 0, 0, item_size, item_size,
745 new_x, new_y - upper_border);
747 SDLSetAlpha(item_bitmap->surface_masked, TRUE, XSN_ALPHA_DEFAULT);
749 for (i = -half_item_size; i <= half_item_size; i++)
751 int xpos = mid_x + i;
753 if (xpos >= 0 && xpos < xsn.area_xsize)
754 xsn.height[xpos] = MIN(new_y + ABS(i), xsn.height[xpos]);
757 if (xsn.height[mid_x] <= upper_border + shrink)
759 int xpos1 = MAX(0, new_x - half_item_size);
760 int xpos2 = MIN(new_x + 3 * half_item_size, xsn.area_xsize);
761 int xsize = xpos2 - xpos1;
762 int ysize1 = XSN_RND(xsn.max_height - shrink);
763 int ysize2 = xsn.max_height - ysize1;
765 SDLSetAlpha(surface_masked, FALSE, 0);
767 FillRectangle(xsn.bitmap, xpos1, xsn.max_height, xsize, xsn.max_height,
769 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, 0, xsize, ysize1,
770 xpos1, xsn.max_height + shrink);
771 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, ysize1, xsize, ysize2,
772 xpos1, xsn.max_height + ysize1);
773 FillRectangle(xsn.bitmap, xpos1, 0, xsize, xsn.max_height,
775 BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, xsn.max_height,
776 xsize, xsn.max_height, xpos1, 0);
778 SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
780 for (i = xpos1; i < xpos2; i++)
781 xsn.height[i] = MIN(xsn.height[i] + shrink, xsn.area_ysize - 1);
784 SDLFreeBitmapTextures(xsn.bitmap);
785 SDLCreateBitmapTextures(xsn.bitmap);
787 xsn.bitmap->surface = surface;
792 item->dx += XSN_RND(XSN_CHANGE_FACTOR) * (XSN_RND(1000) > 500 ? -1 : 1);
794 if (xsn.change_type == 0)
795 item->dx = MIN(MAX(-xsn.max_dx, item->dx), xsn.max_dx);
801 static void xsn_update_change(void)
803 if (XSN_RND(100) > 65)
805 xsn.change_dir = (XSN_RND(10) > 4 ? 1 : -1);
806 xsn.change_delay = XSN_RND(5) + 1;
809 else if (xsn.change_type == 2)
811 xsn.change_delay = XSN_RND(3) + 1;
816 xsn.change_delay = XSN_CHANGE_DELAY;
821 static void DrawTileCursor_Xsn(int draw_target)
823 static boolean initialized = FALSE;
824 static boolean started = FALSE;
825 static boolean active = FALSE;
826 static boolean debug = FALSE;
827 static DelayCounter check_delay = { XSN_CHECK_DELAY * 1000 };
828 static DelayCounter start_delay = { 0 };
829 static DelayCounter growth_delay = { 0 };
830 static DelayCounter update_delay = { 0 };
831 static DelayCounter change_delay = { 0 };
832 static int percent = 0;
833 static int debug_value = 0;
834 boolean reinitialize = FALSE;
835 boolean active_last = active;
838 if (draw_target != DRAW_TO_SCREEN)
841 if (DelayReached(&check_delay))
843 percent = (debug ? debug_value * 100 / XSN_DEBUG_STEPS : xsn_percent());
846 setup.debug.xsn_percent = percent;
848 if (setup.debug.xsn_mode != AUTO)
849 percent = setup.debug.xsn_percent;
851 setup.debug.xsn_percent = percent;
853 active = (percent > 0);
855 if ((active && !active_last) || setup.debug.xsn_mode != AUTO)
856 removeHideSetupEntry(&setup.debug.xsn_mode);
857 else if (!active && active_last)
858 setHideSetupEntry(&setup.debug.xsn_mode);
860 if (setup.debug.xsn_mode == FALSE)
863 else if (tile_cursor.xsn_debug)
865 debug_value = (active ? 0 : MIN(debug_value + 1, XSN_DEBUG_STEPS));
869 ResetDelayCounter(&check_delay);
871 setup.debug.xsn_mode = (debug_value > 0);
872 tile_cursor.xsn_debug = FALSE;
880 xsn.area_xsize = gfx.win_xsize;
881 xsn.area_ysize = gfx.win_ysize;
883 for (i = 0; i < num_xsn_data; i++)
885 int size = xsn_data[i].size;
886 byte *bits = xsn_data[i].bits;
887 Bitmap *bitmap = CreateBitmap(size, size, DEFAULT_DEPTH);
889 FillRectangle(bitmap, 0, 0, size, size, BLACK_PIXEL);
891 for (y = 0; y < size; y++)
892 for (x = 0; x < size; x++)
893 if ((bits[y] >> x) & 0x01)
894 SDLPutPixel(bitmap, x, y, WHITE_PIXEL);
896 SDL_Surface *surface = bitmap->surface;
898 if ((bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
899 Fail("SDLGetNativeSurface() failed");
901 SDL_Surface *surface_masked = bitmap->surface_masked;
903 SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
904 SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
906 SDLSetAlpha(surface, TRUE, XSN_ALPHA_DEFAULT);
907 SDLSetAlpha(surface_masked, TRUE, XSN_ALPHA_DEFAULT);
909 xsn_data[i].bitmap = bitmap;
912 srand((unsigned int)time(NULL));
919 start_delay.value = (debug || setup.debug.xsn_mode == TRUE ? 0 :
920 (XSN_START_DELAY + XSN_RND(XSN_START_DELAY)) * 1000);
923 ResetDelayCounter(&start_delay);
931 xsn.max_items = percent * XSN_MAX_ITEMS / 100;
932 xsn.max_height = percent * XSN_MAX_HEIGHT / 100;
934 xsn.max_dx = XSN_MAX_DX;
935 xsn.max_dy = XSN_MAX_DY;
937 xsn.change_delay = XSN_CHANGE_DELAY;
941 xsn.alpha = XSN_ALPHA_DEFAULT;
943 for (i = 0; i < xsn.max_items; i++)
947 if (xsn.area_xsize != gfx.win_xsize ||
948 xsn.area_ysize != gfx.win_ysize ||
951 xsn.area_xsize = gfx.win_xsize;
952 xsn.area_ysize = gfx.win_ysize;
954 if (xsn.bitmap != NULL)
955 FreeBitmap(xsn.bitmap);
957 xsn.bitmap = CreateBitmap(xsn.area_xsize, xsn.max_height * 2,
960 FillRectangle(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
963 SDL_Surface *surface = xsn.bitmap->surface;
965 if ((xsn.bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
966 Fail("SDLGetNativeSurface() failed");
968 SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
970 SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
971 SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
973 SDLSetAlpha(surface, TRUE, xsn.alpha);
974 SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
976 SDLCreateBitmapTextures(xsn.bitmap);
978 for (i = 0; i < num_xsn_data; i++)
980 SDLFreeBitmapTextures(xsn_data[i].bitmap);
981 SDLCreateBitmapTextures(xsn_data[i].bitmap);
984 if (xsn.height != NULL)
985 checked_free(xsn.height);
987 xsn.height = checked_calloc(xsn.area_xsize * sizeof(int));
989 for (i = 0; i < xsn.area_xsize; i++)
990 xsn.height[i] = xsn.area_ysize - 1;
995 if (!DelayReached(&start_delay))
998 update_delay.value = XSN_UPDATE_DELAY;
999 growth_delay.value = XSN_GROWTH_DELAY * 1000;
1000 change_delay.value = XSN_CHANGE_DELAY * 1000;
1002 ResetDelayCounter(&growth_delay);
1003 ResetDelayCounter(&update_delay);
1004 ResetDelayCounter(&change_delay);
1009 if (xsn.num_items < xsn.max_items)
1011 if (DelayReached(&growth_delay))
1013 xsn.num_items += XSN_RND(XSN_GROWTH_RATE * 2);
1014 xsn.num_items = MIN(xsn.num_items, xsn.max_items);
1018 if (DelayReached(&update_delay))
1020 for (i = 0; i < xsn.num_items; i++)
1024 if (DelayReached(&change_delay))
1026 xsn_update_change();
1028 change_delay.value = xsn.change_delay * 1000;
1031 int xsn_alpha_dx = (gfx.mouse_y > xsn.area_ysize - xsn.max_height ?
1032 (xsn.alpha > XSN_ALPHA_VISIBLE ? -1 : 0) :
1033 (xsn.alpha < XSN_ALPHA_DEFAULT ? +1 : 0));
1035 if (xsn_alpha_dx != 0)
1037 xsn.alpha += xsn_alpha_dx;
1039 SDLSetAlpha(xsn.bitmap->surface_masked, TRUE, xsn.alpha);
1041 SDLFreeBitmapTextures(xsn.bitmap);
1042 SDLCreateBitmapTextures(xsn.bitmap);
1045 BlitToScreenMasked(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
1046 0, xsn.area_ysize - xsn.max_height);
1048 for (i = 0; i < xsn.num_items; i++)
1050 int dst_x = xsn.items[i].x;
1051 int dst_y = xsn.items[i].y;
1052 int type = xsn.items[i].type;
1053 int size = xsn_data[type].size;
1054 Bitmap *bitmap = xsn_data[type].bitmap;
1056 BlitToScreenMasked(bitmap, 0, 0, size, size, dst_x, dst_y);
1060 void DrawTileCursor_MM(int draw_target, boolean tile_cursor_active)
1062 if (program.headless)
1065 Bitmap *fade_bitmap;
1069 int graphic = IMG_GLOBAL_TILE_CURSOR;
1071 int tilesize = TILESIZE_VAR;
1072 int width = tilesize;
1073 int height = tilesize;
1075 DrawTileCursor_Xsn(draw_target);
1077 if (!tile_cursor.enabled ||
1078 !tile_cursor.active ||
1079 !tile_cursor_active)
1082 if (tile_cursor.moving)
1084 int step = TILESIZE_VAR / 4;
1085 int dx = tile_cursor.target_x - tile_cursor.x;
1086 int dy = tile_cursor.target_y - tile_cursor.y;
1089 tile_cursor.x = tile_cursor.target_x;
1091 tile_cursor.x += SIGN(dx) * step;
1094 tile_cursor.y = tile_cursor.target_y;
1096 tile_cursor.y += SIGN(dy) * step;
1098 if (tile_cursor.x == tile_cursor.target_x &&
1099 tile_cursor.y == tile_cursor.target_y)
1100 tile_cursor.moving = FALSE;
1103 dst_x = tile_cursor.x;
1104 dst_y = tile_cursor.y;
1106 frame = getGraphicAnimationFrame(graphic, -1);
1108 getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
1111 (draw_target == DRAW_TO_FADE_SOURCE ? gfx.fade_bitmap_source :
1112 draw_target == DRAW_TO_FADE_TARGET ? gfx.fade_bitmap_target : NULL);
1114 if (draw_target == DRAW_TO_SCREEN)
1115 BlitToScreenMasked(src_bitmap, src_x, src_y, width, height, dst_x, dst_y);
1117 BlitBitmapMasked(src_bitmap, fade_bitmap, src_x, src_y, width, height,
1121 Pixel ReadPixel(DrawBuffer *bitmap, int x, int y)
1123 return GetPixel(bitmap, x, y);
1126 int get_base_element(int element)
1128 if (IS_MIRROR(element))
1129 return EL_MIRROR_START;
1130 else if (IS_MIRROR_FIXED(element))
1131 return EL_MIRROR_FIXED_START;
1132 else if (IS_POLAR(element))
1133 return EL_POLAR_START;
1134 else if (IS_POLAR_CROSS(element))
1135 return EL_POLAR_CROSS_START;
1136 else if (IS_BEAMER(element))
1137 return EL_BEAMER_RED_START + BEAMER_NR(element) * 16;
1138 else if (IS_FIBRE_OPTIC(element))
1139 return EL_FIBRE_OPTIC_START + FIBRE_OPTIC_NR(element) * 2;
1140 else if (IS_MCDUFFIN(element))
1141 return EL_MCDUFFIN_START;
1142 else if (IS_LASER(element))
1143 return EL_LASER_START;
1144 else if (IS_RECEIVER(element))
1145 return EL_RECEIVER_START;
1146 else if (IS_DF_MIRROR(element))
1147 return EL_DF_MIRROR_START;
1148 else if (IS_DF_MIRROR_AUTO(element))
1149 return EL_DF_MIRROR_AUTO_START;
1150 else if (IS_DF_MIRROR_FIXED(element))
1151 return EL_DF_MIRROR_FIXED_START;
1152 else if (IS_PACMAN(element))
1153 return EL_PACMAN_START;
1154 else if (IS_GRID_STEEL(element))
1155 return EL_GRID_STEEL_START;
1156 else if (IS_GRID_WOOD(element))
1157 return EL_GRID_WOOD_START;
1158 else if (IS_GRID_STEEL_FIXED(element))
1159 return EL_GRID_STEEL_FIXED_START;
1160 else if (IS_GRID_WOOD_FIXED(element))
1161 return EL_GRID_WOOD_FIXED_START;
1162 else if (IS_GRID_STEEL_AUTO(element))
1163 return EL_GRID_STEEL_AUTO_START;
1164 else if (IS_GRID_WOOD_AUTO(element))
1165 return EL_GRID_WOOD_AUTO_START;
1166 else if (IS_WALL_STEEL(element))
1167 return EL_WALL_STEEL_START;
1168 else if (IS_WALL_WOOD(element))
1169 return EL_WALL_WOOD_START;
1170 else if (IS_WALL_ICE(element))
1171 return EL_WALL_ICE_START;
1172 else if (IS_WALL_AMOEBA(element))
1173 return EL_WALL_AMOEBA_START;
1174 else if (IS_DF_WALL_STEEL(element))
1175 return EL_DF_WALL_STEEL_START;
1176 else if (IS_DF_WALL_WOOD(element))
1177 return EL_DF_WALL_WOOD_START;
1178 else if (IS_CHAR(element))
1179 return EL_CHAR_START;
1184 int get_element_phase(int element)
1186 return element - get_base_element(element);
1189 int get_num_elements(int element)
1191 if (IS_MIRROR(element) ||
1192 IS_POLAR(element) ||
1193 IS_BEAMER(element) ||
1194 IS_DF_MIRROR(element) ||
1195 IS_DF_MIRROR_AUTO(element) ||
1196 IS_DF_MIRROR_FIXED(element))
1198 else if (IS_GRID_STEEL_FIXED(element) ||
1199 IS_GRID_WOOD_FIXED(element) ||
1200 IS_GRID_STEEL_AUTO(element) ||
1201 IS_GRID_WOOD_AUTO(element))
1203 else if (IS_MIRROR_FIXED(element) ||
1204 IS_POLAR_CROSS(element) ||
1205 IS_MCDUFFIN(element) ||
1206 IS_LASER(element) ||
1207 IS_RECEIVER(element) ||
1208 IS_PACMAN(element) ||
1209 IS_GRID_STEEL(element) ||
1210 IS_GRID_WOOD(element))
1216 int get_rotated_element(int element, int step)
1218 int base_element = get_base_element(element);
1219 int num_elements = get_num_elements(element);
1220 int element_phase = element - base_element;
1222 return base_element + (element_phase + step + num_elements) % num_elements;
1225 int map_wall_from_base_element(int element)
1229 case EL_WALL_STEEL_BASE: return EL_WALL_STEEL;
1230 case EL_WALL_WOOD_BASE: return EL_WALL_WOOD;
1231 case EL_WALL_ICE_BASE: return EL_WALL_ICE;
1232 case EL_WALL_AMOEBA_BASE: return EL_WALL_AMOEBA;
1233 case EL_DF_WALL_STEEL_BASE: return EL_DF_WALL_STEEL;
1234 case EL_DF_WALL_WOOD_BASE: return EL_DF_WALL_WOOD;
1236 default: return element;
1240 int map_wall_to_base_element(int element)
1244 case EL_WALL_STEEL: return EL_WALL_STEEL_BASE;
1245 case EL_WALL_WOOD: return EL_WALL_WOOD_BASE;
1246 case EL_WALL_ICE: return EL_WALL_ICE_BASE;
1247 case EL_WALL_AMOEBA: return EL_WALL_AMOEBA_BASE;
1248 case EL_DF_WALL_STEEL: return EL_DF_WALL_STEEL_BASE;
1249 case EL_DF_WALL_WOOD: return EL_DF_WALL_WOOD_BASE;
1251 default: return element;
1255 int el2gfx(int element)
1257 return el2img_mm(map_wall_from_base_element(element));
1260 int el_act2gfx(int element, int action)
1262 return el_act2img_mm(map_wall_from_base_element(element), action);
1265 void RedrawPlayfield_MM(void)
1271 void BlitScreenToBitmap_MM(Bitmap *target_bitmap)
1273 BlitBitmap(drawto_mm, target_bitmap,
1274 REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE, REAL_SX, REAL_SY);