rnd-20070822-1-src

[rocksndiamonds.git] / src / game_em / graphics.c

diff --git a/src/game_em/graphics.c b/src/game_em/graphics.c
index 800ee03faaf8de2a6022b7f3cb5440c36492a99f..a908126ccc1d142bd65701d91618abcefd7ac415 100644 (file)
--- a/src/game_em/graphics.c
+++ b/src/game_em/graphics.c
@@ -27,6 +27,7 @@
                                  (8 - frame) * ply[p].y) * TILEY / 8   \
                                 - ((SCR_FIELDY - 1) * TILEY) / 2)
 
+#define USE_EXTENDED_GRAPHICS_ENGINE           1
 
 int frame;                     /* current screen frame */
 int screen_x;                  /* current scroll position */
@@ -93,7 +94,7 @@ void BlitScreenToBitmap_EM(Bitmap *target_bitmap)
   }
 }
 
-void blitscreen(void)
+void BackToFront_EM(void)
 {
   static boolean scrolling_last = FALSE;
   int left = screen_x / TILEX;
@@ -101,6 +102,8 @@ void blitscreen(void)
   boolean scrolling = (screen_x % TILEX != 0 || screen_y % TILEY != 0);
   int x, y;
 
+  SyncDisplay();
+
   if (redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
   {
     /* blit all (up to four) parts of the scroll buffer to the backbuffer */
@@ -126,6 +129,8 @@ void blitscreen(void)
     }
   }
 
+  FlushDisplay();
+
   for (x = 0; x < MAX_BUF_XSIZE; x++)
     for (y = 0; y < MAX_BUF_YSIZE; y++)
       redraw[x][y] = FALSE;
@@ -134,11 +139,38 @@ void blitscreen(void)
   scrolling_last = scrolling;
 }
 
-static void DrawLevelField_EM(int x, int y, int sx, int sy,
-                             boolean draw_masked)
+void blitscreen(void)
+{
+  BackToFront_EM();
+}
+
+static struct GraphicInfo_EM *getObjectGraphic(int x, int y)
 {
   int tile = Draw[y][x];
   struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
+
+  if (!game.use_native_emc_graphics_engine)
+    getGraphicSourceObjectExt_EM(tile, frame, &g->bitmap, &g->src_x, &g->src_y,
+                                &g->crumbled_bitmap,
+                                &g->crumbled_src_x, &g->crumbled_src_y,
+                                x - 2, y - 2);
+  return g;
+}
+
+static struct GraphicInfo_EM *getPlayerGraphic(int player_nr, int anim)
+{
+  struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame];
+
+  if (!game.use_native_emc_graphics_engine)
+    getGraphicSourcePlayerExt_EM(player_nr, anim, frame,
+                                &g->bitmap, &g->src_x, &g->src_y);
+  return g;
+}
+
+static void DrawLevelField_EM(int x, int y, int sx, int sy,
+                             boolean draw_masked)
+{
+  struct GraphicInfo_EM *g = getObjectGraphic(x, y);
   int src_x = g->src_x + g->src_offset_x;
   int src_y = g->src_y + g->src_offset_y;
   int dst_x = sx * TILEX + g->dst_offset_x;
@@ -177,8 +209,7 @@ static void DrawLevelField_EM(int x, int y, int sx, int sy,
 static void DrawLevelFieldCrumbled_EM(int x, int y, int sx, int sy,
                                      int crm, boolean draw_masked)
 {
-  int tile = Draw[y][x];
-  struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
+  struct GraphicInfo_EM *g = getObjectGraphic(x, y);
   int left = screen_x / TILEX;
   int top  = screen_y / TILEY;
   int i;
@@ -191,6 +222,13 @@ static void DrawLevelFieldCrumbled_EM(int x, int y, int sx, int sy,
   if (crm == 0)                /* no crumbled edges for this tile */
     return;
 
+#if 0
+  if (x == 3 && y == 3 && frame == 0)
+    printf("::: %d, %d\n",
+          graphic_info_em_object[207][0].crumbled_src_x,
+          graphic_info_em_object[207][0].crumbled_src_y);
+#endif
+
   for (i = 0; i < 4; i++)
   {
     if (crm & (1 << i))
@@ -237,8 +275,7 @@ static void DrawLevelFieldCrumbled_EM(int x, int y, int sx, int sy,
 static void DrawLevelPlayer_EM(int x1, int y1, int player_nr, int anim,
                               boolean draw_masked)
 {
-  struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame];
-
+  struct GraphicInfo_EM *g = getPlayerGraphic(player_nr, anim);
   int src_x = g->src_x, src_y = g->src_y;
   int dst_x, dst_y;
 
@@ -316,6 +353,11 @@ static void animscreen(void)
     { 0, +1 }
   };
 
+  if (!game.use_native_emc_graphics_engine)
+    for (y = 2; y < EM_MAX_CAVE_HEIGHT - 2; y++)
+      for (x = 2; x < EM_MAX_CAVE_WIDTH - 2; x++)
+       SetGfxAnimation_EM(Draw[y][x], frame, x - 2, y - 2);
+
   for (y = top; y < top + MAX_BUF_YSIZE; y++)
   {
     for (x = left; x < left + MAX_BUF_XSIZE; x++)
@@ -326,6 +368,7 @@ static void animscreen(void)
       struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
       int obj = g->unique_identifier;
       int crm = 0;
+      boolean redraw_screen_tile = FALSE;
 
       /* re-calculate crumbled state of this tile */
       if (g->has_crumbled_graphics)
@@ -347,8 +390,15 @@ static void animscreen(void)
        }
       }
 
+      redraw_screen_tile = (screentiles[sy][sx]    != obj ||
+                           crumbled_state[sy][sx] != crm);
+
+      /* !!! TEST ONLY -- CHANGE THIS !!! */
+      if (!game.use_native_emc_graphics_engine)
+       redraw_screen_tile = TRUE;
+
       /* only redraw screen tiles if they (or their crumbled state) changed */
-      if (screentiles[sy][sx] != obj || crumbled_state[sy][sx] != crm)
+      if (redraw_screen_tile)
       {
        DrawLevelField_EM(x, y, sx, sy, FALSE);
        DrawLevelFieldCrumbled_EM(x, y, sx, sy, crm, FALSE);
@@ -443,9 +493,14 @@ static void blitplayer(struct PLAYER *ply)
       DrawLevelField_EM(new_x, new_y, new_sx, new_sy, TRUE);
     }
 
-    /* mark screen tiles as dirty */
+    /* redraw screen tiles in the next frame (player may have left the tiles) */
     screentiles[old_sy][old_sx] = -1;
     screentiles[new_sy][new_sx] = -1;
+
+    /* mark screen tiles as dirty (force screen refresh with changed content) */
+    redraw[old_sx][old_sy] = TRUE;
+    redraw[new_sx][new_sy] = TRUE;
+    redraw_tiles += 2;
   }
 }
 
@@ -492,7 +547,7 @@ void DrawRelocatePlayer(struct PlayerInfo *player, boolean quick_relocation)
 
   if (quick_relocation)
   {
-    int offset = (setup.scroll_delay ? 3 : 0);
+    int offset = game.scroll_delay_value;
 
     if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
     {
@@ -696,7 +751,7 @@ void RedrawPlayfield_EM(boolean force_redraw)
   int player_nr = game_em.last_moving_player;
 #endif
   int stepsize = TILEX / 8;
-  int offset = (setup.scroll_delay ? 3 : 0) * TILEX;
+  int offset = game.scroll_delay_value * TILEX;
   int offset_x = offset;
   int offset_y = offset;
   int screen_x_old = screen_x;
@@ -869,14 +924,16 @@ void RedrawPlayfield_EM(boolean force_redraw)
        blitplayer(&ply[i]);
 
       blitscreen();
-      FlushDisplay();
+
       Delay(wait_delay_value);
 
       /* scroll second step to align at full tile size */
       screen_x -= dxx;
       screen_y -= dyy;
 
+#if 0
       SyncDisplay();
+#endif
 
       animscreen();
 
@@ -884,7 +941,7 @@ void RedrawPlayfield_EM(boolean force_redraw)
        blitplayer(&ply[i]);
 
       blitscreen();
-      FlushDisplay();
+
       Delay(wait_delay_value);
     }
 
@@ -1028,12 +1085,12 @@ void RedrawPlayfield_EM(boolean force_redraw)
   for (i = 0; i < MAX_PLAYERS; i++)
     blitplayer(&ply[i]);
 
+#if 0
 #if 0
   SyncDisplay();
+#endif
 
   blitscreen();
-
-  FlushDisplay();
 #endif
 }