added pausing global animations on playfield if game engine is paused

[rocksndiamonds.git] / src / anim.c

diff --git a/src/anim.c b/src/anim.c
index 710383f3c608c03e4e3832fea3b13e6ab6cc3bbf..060bb60e8f9e7995644742030e8a410cdd5d7205 100644 (file)
--- a/src/anim.c
+++ b/src/anim.c
@@ -17,6 +17,7 @@
 #include "files.h"
 #include "events.h"
 #include "screens.h"
+#include "tape.h"
 
 
 #define DEBUG_ANIM_DELAY               0
@@ -114,6 +115,8 @@ struct GlobalAnimPartControlInfo
   struct GraphicInfo graphic_info;
   struct GraphicInfo control_info;
 
+  boolean class_playfield;
+
   int viewport_x;
   int viewport_y;
   int viewport_width;
@@ -372,6 +375,27 @@ static int compareGlobalAnimMainControlInfo(const void *obj1, const void *obj2)
   return compare_result;
 }
 
+static boolean isPausedOnPlayfield(struct GlobalAnimPartControlInfo *part)
+{
+  // only pause playfield animations when playing
+  if (game_status != GAME_MODE_PLAYING)
+    return FALSE;
+
+  // do not pause animations when game ended (and engine is running)
+  if (checkGameEnded())
+    return FALSE;
+
+  // only pause animations on playfield
+  if (!part->class_playfield)
+    return FALSE;
+
+  // only pause animations when engine is paused or request dialog is open(ing)
+  if (!tape.pausing && !game.request_active_or_moving)
+    return FALSE;
+
+  return TRUE;
+}
+
 static void InitToonControls(void)
 {
   int mode_nr_toons = GAME_MODE_PSEUDO_TOONS;
@@ -921,6 +945,10 @@ static void DrawGlobalAnimationsExt(int drawing_target, int drawing_stage)
        if (part->drawing_stage != drawing_stage)
          continue;
 
+       // if game is paused, also pause playfield animations
+       if (isPausedOnPlayfield(part))
+         part->initial_anim_sync_frame++;
+
        sync_frame = anim_sync_frame - part->initial_anim_sync_frame;
 
        // re-initialize random animation frame after animation delay
@@ -974,8 +1002,6 @@ void DrawGlobalAnimations(int drawing_target, int drawing_stage)
     ResetGlobalAnim_Clicked();
   }
 
-  DrawEnvelopeRequestToScreen(drawing_target, drawing_stage);
-
   if (gfx.cursor_mode_override != last_cursor_mode_override)
     SetMouseCursor(gfx.cursor_mode);
 }
@@ -996,6 +1022,8 @@ static boolean SetGlobalAnimPart_Viewport(struct GlobalAnimPartControlInfo *part
 
   part->drawing_stage = DRAW_GLOBAL_ANIM_STAGE_1;
 
+  part->class_playfield = FALSE;
+
   if (part->control_info.class == get_hash_from_key("window") ||
       part->control_info.class == get_hash_from_key("border"))
   {
@@ -1057,6 +1085,8 @@ static boolean SetGlobalAnimPart_Viewport(struct GlobalAnimPartControlInfo *part
     viewport_y = REAL_SY;
     viewport_width  = FULL_SXSIZE;
     viewport_height = FULL_SYSIZE;
+
+    part->class_playfield = TRUE;
   }
 
   if (viewport_x != part->viewport_x ||
@@ -1467,6 +1497,10 @@ static int HandleGlobalAnim_Part(struct GlobalAnimPartControlInfo *part,
   struct GraphicInfo *c = &part->control_info;
   boolean viewport_changed = SetGlobalAnimPart_Viewport(part);
 
+  // if game is paused, also pause playfield animations
+  if (isPausedOnPlayfield(part))
+    return state;
+
   if (viewport_changed)
     state |= ANIM_STATE_RESTART;
 
@@ -1732,12 +1766,17 @@ static int HandleGlobalAnim_Part(struct GlobalAnimPartControlInfo *part,
   if (c->position == POS_CE)
   {
     // calculate playfield position (with scrolling) for related CE tile
+    // (do not use FX/FY, which are incorrect during envelope requests)
+    int FX0 = 2 * TILEX_VAR;   // same as FX during DRAW_TO_FIELDBUFFER
+    int FY0 = 2 * TILEY_VAR;   // same as FY during DRAW_TO_FIELDBUFFER
     int fx = getFieldbufferOffsetX_RND(ScreenMovDir, ScreenGfxPos);
     int fy = getFieldbufferOffsetY_RND(ScreenMovDir, ScreenGfxPos);
-    int sx = FX + SCREENX(part->tile_x) * TILEX_VAR;
-    int sy = FY + SCREENY(part->tile_y) * TILEY_VAR;
-    int x = sx - fx;
-    int y = sy - fy;
+    int sx = FX0 + SCREENX(part->tile_x) * TILEX_VAR;
+    int sy = FY0 + SCREENY(part->tile_y) * TILEY_VAR;
+    int cx = SX - REAL_SX;
+    int cy = SY - REAL_SY;
+    int x = sx - fx + cx;
+    int y = sy - fy + cy;
 
     part->tile_xoffset += part->step_xoffset;
     part->tile_yoffset += part->step_yoffset;
@@ -2164,6 +2203,11 @@ void RestartGlobalAnimsByStatus(int status)
   global.anim_status = anim_status_last;
 }
 
+void SetAnimStatusBeforeFading(int status)
+{
+  anim_status_last_before_fading = status;
+}
+
 boolean HandleGlobalAnimClicks(int mx, int my, int button, boolean force_click)
 {
   static boolean click_consumed = FALSE;