X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fvideo%2Fdrawing_context.hpp;h=4839239dc52d6c97ddacc9581fb82329abb488c0;hb=6cd71a8644049d1951b5a9702a57ad02a7971c1e;hp=c65e0fb8fdcf1be1db1bd51edb8bd8b331e9d4f1;hpb=77d6c22146b06e5737b905795c8d7aab3f146527;p=supertux.git

diff --git a/src/video/drawing_context.hpp b/src/video/drawing_context.hpp
index c65e0fb8f..4839239dc 100644
--- a/src/video/drawing_context.hpp
+++ b/src/video/drawing_context.hpp
@@ -49,7 +49,23 @@ enum {
   LAYER_FOREGROUNDTILES = 200,
   LAYER_FOREGROUND0 = 300,
   LAYER_FOREGROUND1 = 400,
-  LAYER_GUI         = 500
+  LAYER_HUD = 500,
+  LAYER_GUI         = 600
+};
+
+class Blend
+{
+public:
+  GLenum sfactor;
+  GLenum dfactor;
+
+  Blend()
+    : sfactor(GL_SRC_ALPHA), dfactor(GL_ONE_MINUS_SRC_ALPHA)
+  {}
+
+  Blend(GLenum s, GLenum d)
+    : sfactor(s), dfactor(d)
+  {}
 };
 
 /**
@@ -61,17 +77,21 @@ class DrawingContext
 public:
   DrawingContext();
   ~DrawingContext();
-  
+
   /// Adds a drawing request for a surface into the request list.
   void draw_surface(const Surface* surface, const Vector& position,
                     int layer);
+  /// Adds a drawing request for a surface into the request list.
+  void draw_surface(const Surface* surface, const Vector& position,
+                    float angle, const Color& color, const Blend& blend,
+                    int layer);
   /// Adds a drawing request for part of a surface.
   void draw_surface_part(const Surface* surface, const Vector& source,
                          const Vector& size, const Vector& dest, int layer);
   /// Draws a text.
   void draw_text(const Font* font, const std::string& text,
                  const Vector& position, FontAlignment alignment, int layer);
-  
+
   /// Draws text on screen center (feed Vector.x with a 0).
   /// This is the same as draw_text() with a SCREEN_WIDTH/2 position and
   /// alignment set to LEFT_ALLIGN
@@ -83,19 +103,19 @@ public:
   void draw_filled_rect(const Vector& topleft, const Vector& size,
                         const Color& color, int layer);
   void draw_filled_rect(const Rect& rect, const Color& color, int layer);
-  
+
   /// Processes all pending drawing requests and flushes the list.
   void do_drawing();
-  
+
   const Vector& get_translation() const
   {  return transform.translation;  }
-  
+
   void set_translation(const Vector& newtranslation)
   {  transform.translation = newtranslation;  }
-  
+
   void push_transform();
   void pop_transform();
-  
+
   /// Apply that effect in the next draws (effects are listed on surface.h).
   void set_drawing_effect(DrawingEffect effect);
   /// return currently applied drawing effect
@@ -105,13 +125,18 @@ public:
   /// return currently set alpha
   float get_alpha() const;
 
+  /// on next update, set color to lightmap's color at position
+  void get_light(const Vector& position, Color* color );
+
   enum Target {
     NORMAL, LIGHTMAP
   };
   void push_target();
   void pop_target();
   void set_target(Target target);
-  
+
+  void set_ambient_color( Color new_color );
+
 private:
   class Transform
   {
@@ -119,96 +144,101 @@ private:
     Vector translation;
     DrawingEffect drawing_effect;
     float alpha;
-    
+
     Transform()
       : drawing_effect(NO_EFFECT), alpha(1.0f)
     { }
-    
+
     Vector apply(const Vector& v) const
     {
       return v - translation;
     }
   };
-  
+
   /// the transform stack
   std::vector<Transform> transformstack;
   /// the currently active transform
   Transform transform;
 
-  class Blend
-  {
-  public:
-    GLenum sfactor;
-    GLenum dfactor;
-    
-    Blend()
-      : sfactor(GL_SRC_ALPHA), dfactor(GL_ONE_MINUS_SRC_ALPHA)
-    {}
-  };
   std::vector<Blend> blend_stack;
   Blend blend_mode;
-  
+
   enum RequestType
   {
-    SURFACE, SURFACE_PART, TEXT, GRADIENT, FILLRECT
+    SURFACE, SURFACE_PART, TEXT, GRADIENT, FILLRECT, LIGHTMAPREQUEST, GETLIGHT
   };
-  
+
   struct SurfacePartRequest
   {
     const Surface* surface;
     Vector source, size;
   };
-  
+
   struct TextRequest
   {
     const Font* font;
     std::string text;
     FontAlignment alignment;
   };
-  
+
   struct GradientRequest
   {
     Color top, bottom;
     Vector size;
   };
-  
+
   struct FillRectRequest
   {
     Color color;
     Vector size;
   };
-  
+
   struct DrawingRequest
   {
     RequestType type;
-    Vector pos;                
-    
+    Vector pos;
+
     int layer;
     DrawingEffect drawing_effect;
     float alpha;
     Blend blend;
-    
+    float angle;
+    Color color;
+
     void* request_data;
-    
+
+    DrawingRequest()
+      : angle(0.0f),
+        color(1.0f, 1.0f, 1.0f, 1.0f)
+    {}
+
     bool operator<(const DrawingRequest& other) const
     {
       return layer < other.layer;
     }
   };
 
+  struct GetLightRequest
+  {
+    Color* color_ptr;
+  };
+
   typedef std::vector<DrawingRequest> DrawingRequests;
-  
+
   void handle_drawing_requests(DrawingRequests& requests);
   void draw_surface_part(DrawingRequest& request);
   void draw_text(DrawingRequest& request);
   void draw_text_center(DrawingRequest& request);
   void draw_gradient(DrawingRequest& request);
   void draw_filled_rect(DrawingRequest& request);
-  
+  void draw_lightmap(DrawingRequest& request);
+  void get_light(DrawingRequest& request);
+
   DrawingRequests drawing_requests;
   DrawingRequests lightmap_requests;
 
   DrawingRequests* requests;
+  Color ambient_color;
 
   SDL_Surface* screen;
   Target target;