From ec5f4027a019ebf435b41577ab1234849c77a059 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Fri, 25 Mar 2016 13:23:57 +0100
Subject: [PATCH] added support for '.draw_order' for global animations

---
 src/cartoons.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/init.c     |  4 +++-
 2 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/src/cartoons.c b/src/cartoons.c
index 0563e1de..1d175186 100644
--- a/src/cartoons.c
+++ b/src/cartoons.c
@@ -160,6 +160,38 @@ static int getGlobalAnimationPart(struct GlobalAnimMainControlInfo *anim)
   return part_nr;
 }
 
+static int compareGlobalAnimPartControlInfo(const void *obj1, const void *obj2)
+{
+  const struct GlobalAnimPartControlInfo *o1 =
+    (struct GlobalAnimPartControlInfo *)obj1;
+  const struct GlobalAnimPartControlInfo *o2 =
+    (struct GlobalAnimPartControlInfo *)obj2;
+  int compare_result;
+
+  if (o1->control_info.draw_order != o2->control_info.draw_order)
+    compare_result = o1->control_info.draw_order - o2->control_info.draw_order;
+  else
+    compare_result = o1->nr - o2->nr;
+
+  return compare_result;
+}
+
+static int compareGlobalAnimMainControlInfo(const void *obj1, const void *obj2)
+{
+  const struct GlobalAnimMainControlInfo *o1 =
+    (struct GlobalAnimMainControlInfo *)obj1;
+  const struct GlobalAnimMainControlInfo *o2 =
+    (struct GlobalAnimMainControlInfo *)obj2;
+  int compare_result;
+
+  if (o1->control_info.draw_order != o2->control_info.draw_order)
+    compare_result = o1->control_info.draw_order - o2->control_info.draw_order;
+  else
+    compare_result = o1->nr - o2->nr;
+
+  return compare_result;
+}
+
 static void PrepareBackbuffer()
 {
   if (game_status != GAME_MODE_PLAYING)
@@ -382,6 +414,27 @@ void InitGlobalAnimControls()
 
   InitToonControls();
 
+  /* sort all animations according to draw_order and animation number */
+  for (m = 0; m < NUM_GAME_MODES; m++)
+  {
+    struct GlobalAnimControlInfo *ctrl = &global_anim_ctrl[m];
+
+    /* sort all main animations for this game mode */
+    qsort(ctrl->anim, ctrl->num_anims,
+	  sizeof(struct GlobalAnimMainControlInfo),
+	  compareGlobalAnimMainControlInfo);
+
+    for (a = 0; a < ctrl->num_anims; a++)
+    {
+      struct GlobalAnimMainControlInfo *anim = &ctrl->anim[a];
+
+      /* sort all animation parts for this main animation */
+      qsort(anim->part, anim->num_parts,
+	    sizeof(struct GlobalAnimPartControlInfo),
+	    compareGlobalAnimPartControlInfo);
+    }
+  }
+
   for (i = 0; i < NUM_GAME_MODES; i++)
     game_mode_anim_classes[i] = ANIM_CLASS_NONE;
   for (i = 0; game_mode_anim_classes_list[i].game_mode != -1; i++)
diff --git a/src/init.c b/src/init.c
index 943839ed..922fc11a 100644
--- a/src/init.c
+++ b/src/init.c
@@ -1136,6 +1136,7 @@ static void set_graphic_parameters_ext(int graphic, int *parameter,
   g->anim_delay_random = 0;
   g->post_delay_fixed = 0;
   g->post_delay_random = 0;
+  g->draw_order = 0;
   g->fade_mode = FADE_MODE_DEFAULT;
   g->fade_delay = -1;
   g->post_delay = -1;
@@ -1369,7 +1370,8 @@ static void set_graphic_parameters_ext(int graphic, int *parameter,
   g->draw_masked = parameter[GFX_ARG_DRAW_MASKED];
 
   /* used for toon animations and global animations */
-  g->draw_order = parameter[GFX_ARG_DRAW_ORDER];
+  if (parameter[GFX_ARG_DRAW_ORDER] != ARG_UNDEFINED_VALUE)
+    g->draw_order = parameter[GFX_ARG_DRAW_ORDER];
 
   /* optional graphic for cloning all graphics settings */
   if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
-- 
2.34.1