1 // ----------------------------------------------------------------------------
3 // ----------------------------------------------------------------------------
5 #include "DDSpriteBuffer.h"
8 static void Blt(int pX, int pY, Bitmap *bitmap, int SpriteX, int SpriteY)
11 int pseudo_sxsize = SXSIZE * TILESIZE / TILESIZE_VAR;
12 int pseudo_sysize = SYSIZE * TILESIZE / TILESIZE_VAR;
14 int scx = (mScrollX_last < 0 ? 0 : mScrollX_last);
15 int scy = (mScrollY_last < 0 ? 0 : mScrollY_last);
16 int sx1 = scx - 2 * TILEX;
17 int sy1 = scy - 2 * TILEY;
19 int sx2 = scx + pseudo_sxsize + 1 * TILEX;
20 int sy2 = scy + pseudo_sysize + 1 * TILEY;
22 int sx2 = scx + SXSIZE + 1 * TILEX;
23 int sy2 = scy + SYSIZE + 1 * TILEY;
27 int tile_x = sx / TILESIZE;
28 int tile_y = sy / TILESIZE;
29 int move_x = (sx + TILESIZE - 1) / TILESIZE;
30 int move_y = (sy + TILESIZE - 1) / TILESIZE;
35 /* do not draw fields that are outside the visible screen area */
36 if (pX < sx1 || pX > sx2 || pY < sy1 || pY > sy2)
42 SpriteX = SpriteX * TILESIZE_VAR / TILESIZE;
43 SpriteY = SpriteY * TILESIZE_VAR / TILESIZE;
46 sx = sx * TILESIZE_VAR / TILESIZE;
47 sy = sy * TILESIZE_VAR / TILESIZE;
49 BlitBitmap(bitmap, bitmap_db_field_sp, SpriteX, SpriteY,
50 TILEX_VAR, TILEY_VAR, sx, sy);
52 BlitBitmap(bitmap, bitmap_db_field_sp, SpriteX, SpriteY,
53 TILEX, TILEY, sx, sy);
56 redraw[tile_x][tile_y] = TRUE;
61 redraw[move_x][tile_y] = TRUE;
64 else if (move_y != tile_y)
66 redraw[tile_x][move_y] = TRUE;
71 void DDSpriteBuffer_BltImg(int pX, int pY, int graphic, int sync_frame)
73 struct GraphicInfo_SP g;
78 getGraphicSource_SP(&g, graphic, sync_frame, -1, -1);
80 Blt(pX, pY, g.bitmap, g.src_x, g.src_y);