rnd-20030823-2-src
[rocksndiamonds.git] / src / libgame / toons.c
index 8ecc0d5d6672b1a1181fc4fab9f279763bcaba35..f2684b4034d626e097f77319f2172d2b8d83f9df 100644 (file)
@@ -64,7 +64,10 @@ int getAnimationFrame(int num_frames, int delay, int mode, int start_frame,
   {
     /* note: expect different frames for the same delay cycle! */
 
-    frame = anim.simple_random_value % num_frames;
+    if (gfx.anim_random_frame < 0)
+      frame = SimpleRND(num_frames);
+    else
+      frame = gfx.anim_random_frame % num_frames;
   }
 
   if (mode & ANIM_REVERSE)             /* use reverse animation direction */
@@ -78,6 +81,19 @@ int getAnimationFrame(int num_frames, int delay, int mode, int start_frame,
 /* toon animation functions                                                  */
 /* ========================================================================= */
 
+static int get_toon_direction(char *direction_raw)
+{
+  static char *direction = NULL;
+
+  /* !!! MEMORY LEAK HERE! FIX IT! !!! */
+  setString(&direction, getStringToLower(direction_raw));
+
+  return (strcmp(direction, "left")  == 0 ? MV_LEFT :
+         strcmp(direction, "right") == 0 ? MV_RIGHT :
+         strcmp(direction, "up")    == 0 ? MV_UP :
+         strcmp(direction, "down")  == 0 ? MV_DOWN : MV_NO_MOVING);
+}
+
 void InitToonScreen(Bitmap *save_buffer,
                    void (*update_function)(void),
                    void (*prepare_backbuffer_function)(void),
@@ -151,67 +167,76 @@ boolean AnimateToon(int toon_nr, boolean restart)
   struct ToonInfo *anim = &screen_info.toons[toon_nr];
   Bitmap *anim_bitmap = screen_info.toons[toon_nr].bitmap;
   GC anim_clip_gc = anim_bitmap->stored_clip_gc;
+  int direction = get_toon_direction(anim->direction);
 
   if (restart)
   {
-    horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT));
-    vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN));
-    anim_delay_value = anim->move_delay * screen_info.frame_delay_value;
+    horiz_move = (direction & (MV_LEFT | MV_RIGHT));
+    vert_move = (direction & (MV_UP | MV_DOWN));
+    anim_delay_value = anim->step_delay * screen_info.frame_delay_value;
 
     frame = getAnimationFrame(anim->anim_frames, anim->anim_delay,
-                             anim->anim_mode, anim->start_frame,
+                             anim->anim_mode, anim->anim_start_frame,
                              animation_frame_counter++);
 
     if (horiz_move)
     {
-      if (anim->position == ANIMPOS_UP)
+      int pos_bottom = screen_info.height - anim->height;
+
+      if (strcmp(anim->position, "top") == 0)
        pos_y = 0;
-      else if (anim->position == ANIMPOS_DOWN)
-       pos_y = screen_info.height - anim->height;
-      else if (anim->position == ANIMPOS_UPPER)
-       pos_y = SimpleRND((screen_info.height - anim->height) / 2);
+      else if (strcmp(anim->position, "bottom") == 0)
+       pos_y = pos_bottom;
+      else if (strcmp(anim->position, "upper")  == 0)
+       pos_y = SimpleRND(pos_bottom / 2);
+      else if (strcmp(anim->position, "lower")  == 0)
+       pos_y = pos_bottom / 2 + SimpleRND(pos_bottom / 2);
       else
-       pos_y = SimpleRND(screen_info.height - anim->height);
+       pos_y = SimpleRND(pos_bottom);
 
-      if (anim->direction == ANIMDIR_RIGHT)
+      if (direction == MV_RIGHT)
       {
-       delta_x = anim->stepsize;
+       delta_x = anim->step_offset;
        pos_x = -anim->width + delta_x;
       }
       else
       {
-       delta_x = -anim->stepsize;
+       delta_x = -anim->step_offset;
        pos_x = screen_info.width + delta_x;
       }
+
       delta_y = 0;
     }
     else
     {
-      if (anim->position == ANIMPOS_LEFT)
+      int pos_right = screen_info.width - anim->width;
+
+      if (strcmp(anim->position, "left") == 0)
        pos_x = 0;
-      else if (anim->position == ANIMPOS_RIGHT)
-       pos_x = screen_info.width - anim->width;
+      else if (strcmp(anim->position, "right")  == 0)
+       pos_x = pos_right;
       else
-       pos_x = SimpleRND(screen_info.width - anim->width);
+       pos_x = SimpleRND(pos_right);
 
-      if (anim->direction == ANIMDIR_DOWN)
+      if (direction == MV_DOWN)
       {
-       delta_y = anim->stepsize;
+       delta_y = anim->step_offset;
        pos_y = -anim->height + delta_y;
       }
       else
       {
-       delta_y = -anim->stepsize;
+       delta_y = -anim->step_offset;
        pos_y = screen_info.width + delta_y;
       }
+
       delta_x = 0;
     }
   }
 
-  if (pos_x <= -anim->width        - anim->stepsize ||
-      pos_x >=  screen_info.width  + anim->stepsize ||
-      pos_y <= -anim->height       - anim->stepsize ||
-      pos_y >=  screen_info.height + anim->stepsize)
+  if (pos_x <= -anim->width        - anim->step_offset ||
+      pos_x >=  screen_info.width  + anim->step_offset ||
+      pos_y <= -anim->height       - anim->step_offset ||
+      pos_y >=  screen_info.height + anim->step_offset)
     return TRUE;
 
   if (!DelayReached(&anim_delay, anim_delay_value))
@@ -236,8 +261,8 @@ boolean AnimateToon(int toon_nr, boolean restart)
   else if (pos_y > screen_info.height)
     pos_y = screen_info.height;
 
-  pad_x = (horiz_move ? anim->stepsize : 0);
-  pad_y = (vert_move  ? anim->stepsize : 0);
+  pad_x = (horiz_move ? anim->step_offset : 0);
+  pad_y = (vert_move  ? anim->step_offset : 0);
   src_x = anim->src_x + frame * anim->width;
   src_y = anim->src_y;
   dest_x = pos_x;
@@ -275,7 +300,7 @@ boolean AnimateToon(int toon_nr, boolean restart)
   pos_y += delta_y;
 
   frame = getAnimationFrame(anim->anim_frames, anim->anim_delay,
-                           anim->anim_mode, anim->start_frame,
+                           anim->anim_mode, anim->anim_start_frame,
                            animation_frame_counter++);
 
   return FALSE;
@@ -285,6 +310,7 @@ void HandleAnimation(int mode)
 {
   static unsigned long animstart_delay = -1;
   static unsigned long animstart_delay_value = 0;
+  static boolean anim_running = FALSE;
   static boolean anim_restart = TRUE;
   static boolean reset_delay = TRUE;
   static int toon_nr = 0;
@@ -293,16 +319,25 @@ void HandleAnimation(int mode)
   if (!setup.toons)
     return;
 
+  /* this may happen after reloading graphics and redefining "num_toons" */
+  if (toon_nr >= screen_info.num_toons)
+    anim_restart = TRUE;
+
   switch(mode)
   {
     case ANIM_START:
       screen_info.prepare_backbuffer_function();
+
+      anim_running = TRUE;
       anim_restart = TRUE;
       reset_delay = TRUE;
 
       return;
 
     case ANIM_CONTINUE:
+      if (!anim_running)
+       return;
+
       break;
 
     case ANIM_STOP:
@@ -314,6 +349,8 @@ void HandleAnimation(int mode)
       screen_info.update_function();
       setup.direct_draw = draw_mode;
 
+      anim_running = FALSE;
+
       return;
 
     default:
@@ -335,7 +372,7 @@ void HandleAnimation(int mode)
     toon_nr = SimpleRND(screen_info.num_toons);
   }
 
-  anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
+  anim_restart = reset_delay = AnimateToon(toon_nr, anim_restart);
 }
 
 void InitAnimation()