From ee9e184f386884046f1a9c8720c0ff212738b46a Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Tue, 24 May 2016 01:49:03 +0200
Subject: [PATCH] prepared global animation functions to update different
 screen buffers

---
 src/anim.c           |  6 +++---
 src/anim.h           |  2 +-
 src/libgame/sdl.c    | 12 ++++++------
 src/libgame/system.c |  2 +-
 src/libgame/system.h |  4 ++--
 5 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/anim.c b/src/anim.c
index 7dc62198..7f167070 100644
--- a/src/anim.c
+++ b/src/anim.c
@@ -517,7 +517,7 @@ void InitGlobalAnimations()
   InitGlobalAnimControls();
 }
 
-void DrawGlobalAnimationsExt(int drawing_stage)
+void DrawGlobalAnimationsExt(int drawing_target, int drawing_stage)
 {
   int mode_nr;
 
@@ -671,9 +671,9 @@ void DrawGlobalAnimationsExt(int drawing_stage)
   }
 }
 
-void DrawGlobalAnimations(int drawing_stage)
+void DrawGlobalAnimations(int drawing_target, int drawing_stage)
 {
-  DrawGlobalAnimationsExt(drawing_stage);
+  DrawGlobalAnimationsExt(drawing_target, drawing_stage);
 }
 
 boolean SetGlobalAnimPart_Viewport(struct GlobalAnimPartControlInfo *part)
diff --git a/src/anim.h b/src/anim.h
index b55a550f..99de93ea 100644
--- a/src/anim.h
+++ b/src/anim.h
@@ -16,6 +16,6 @@
 int getAnimationFrame(int, int, int, int, int);
 
 void InitGlobalAnimations(void);
-void DrawGlobalAnimations(int);
+void DrawGlobalAnimations(int, int);
 
 #endif
diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 4546e67d..a88201fd 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -42,19 +42,19 @@ void SDLLimitScreenUpdates(boolean enable)
   limit_screen_updates = enable;
 }
 
-static void FinalizeScreen()
+static void FinalizeScreen(int draw_target)
 {
   // copy global animations to render target buffer, if defined (below border)
   if (gfx.draw_global_anim_function != NULL)
-    gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_1);
+    gfx.draw_global_anim_function(draw_target, DRAW_GLOBAL_ANIM_STAGE_1);
 
   // copy global masked border to render target buffer, if defined
   if (gfx.draw_global_border_function != NULL)
-    gfx.draw_global_border_function(DRAW_TO_SCREEN);
+    gfx.draw_global_border_function(draw_target);
 
   // copy global animations to render target buffer, if defined (above border)
   if (gfx.draw_global_anim_function != NULL)
-    gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_2);
+    gfx.draw_global_anim_function(draw_target, DRAW_GLOBAL_ANIM_STAGE_2);
 }
 
 static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
@@ -95,7 +95,7 @@ static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
     BlitBitmap(backbuffer, gfx.final_screen_bitmap, 0, 0,
 	       gfx.win_xsize, gfx.win_ysize, 0, 0);
 
-    FinalizeScreen();
+    FinalizeScreen(DRAW_TO_SCREEN);
 
     screen = gfx.final_screen_bitmap->surface;
 
@@ -142,7 +142,7 @@ static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
     SDL_RenderCopy(sdl_renderer, sdl_texture_stream, NULL, NULL);
 
   if (video.screen_rendering_mode != SPECIAL_RENDERING_BITMAP)
-    FinalizeScreen();
+    FinalizeScreen(DRAW_TO_SCREEN);
 
   // when using target texture, copy it to screen buffer
   if (video.screen_rendering_mode == SPECIAL_RENDERING_TARGET ||
diff --git a/src/libgame/system.c b/src/libgame/system.c
index a5ebc4f0..8b81ede9 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -241,7 +241,7 @@ void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void))
   gfx.draw_busy_anim_function = draw_busy_anim_function;
 }
 
-void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int))
+void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int, int))
 {
   gfx.draw_global_anim_function = draw_global_anim_function;
 }
diff --git a/src/libgame/system.h b/src/libgame/system.h
index b7da38b5..151f8355 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -865,7 +865,7 @@ struct GfxInfo
   int anim_random_frame;
 
   void (*draw_busy_anim_function)(void);
-  void (*draw_global_anim_function)(int);
+  void (*draw_global_anim_function)(int, int);
   void (*draw_global_border_function)(int);
 
   int cursor_mode;
@@ -1366,7 +1366,7 @@ void InitGfxWindowInfo(int, int);
 void InitGfxScrollbufferInfo(int, int);
 void InitGfxClipRegion(boolean, int, int, int, int);
 void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void));
-void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int));
+void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int, int));
 void InitGfxDrawGlobalBorderFunction(void (*draw_global_border_function)(int));
 void InitGfxCustomArtworkInfo();
 void InitGfxOtherSettings();
-- 
2.34.1