Added a mask to be applied to a sprite.

[supertux.git] / lib / special / sprite.cpp

diff --git a/lib/special/sprite.cpp b/lib/special/sprite.cpp
index d27ae05..4525cfb 100644 (file)
--- a/lib/special/sprite.cpp
+++ b/lib/special/sprite.cpp
@@ -72,26 +72,45 @@ Sprite::parse_action(LispReader& lispreader)
       Termination::abort("Error: If there are more than one action, they need names!", "");
   lispreader.read_int("x-offset", action->x_offset);
   lispreader.read_int("y-offset", action->y_offset);
+  lispreader.read_int("z-order", action->z_order);
   lispreader.read_float("fps",     action->fps);
 
   std::vector<std::string> images;
   if(!lispreader.read_string_vector("images", images))
     Termination::abort("Sprite contains no images: ", action->name.c_str());
 
-  for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
+  for(std::vector<std::string>::size_type i = 0; i < images.size(); i++)
     {
       action->surfaces.push_back(
           new Surface(datadir + "/images/" + images[i], true));
-    }        
+    }
+
+  // TODO: add a top filter entry
+  std::vector <int> mask_color;
+  lispreader.read_int_vector("apply-mask", mask_color);
+  if(mask_color.size() == 4)
+    {
+    for(std::vector<Surface*>::iterator i = action->surfaces.begin();
+        i < action->surfaces.end(); i++)
+      {
+        (*i)->apply_mask(Color(mask_color));
+      }
+    }
 
   actions[action->name] = action;
 }
 
+/*void Sprite::parse_filter(LispReader& lispreader)
+{
+
+}*/
+
 void
 Sprite::init_defaults(Action* act)
 {
   act->x_offset = 0;
   act->y_offset = 0;
+  act->z_order = 0;
   act->fps = 10;
 
   start_animation(-1);
@@ -215,20 +234,25 @@ Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
               << "/" << get_action_name() << std::endl;
   else
     context.draw_surface(action->surfaces[(int)frame],
-            pos - Vector(action->x_offset, action->y_offset), layer, drawing_effect);
+            pos - Vector(action->x_offset, action->y_offset), layer + action->z_order,
+            drawing_effect);
 }
 
-#if 0
 void
-Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
+Sprite::draw_part(DrawingContext& context, const Vector& source, const Vector& size,
+                  const Vector& pos, int layer, Uint32 drawing_effect)
 {
-  time = SDL_GetTicks();
-  unsigned int frame = get_current_frame();
+  update();
 
-  if (frame < surfaces.size())
-    surfaces[frame]->draw_part(sx, sy, x - x_offset, y - y_offset, w, h);
+  if((int)frame >= get_frames() || (int)frame < 0)
+    std::cerr << "Warning: frame out of range: " << (int)frame
+              << "/" << get_frames() << " at sprite: " << get_name()
+              << "/" << get_action_name() << std::endl;
+  else
+    context.draw_surface_part(action->surfaces[(int)frame], source, size,
+            pos - Vector(action->x_offset, action->y_offset), layer + action->z_order,
+            drawing_effect);
 }
-#endif
 
 int
 Sprite::get_width()