Added const some member function qualifiers in Controller

[supertux.git] / src / video / drawing_context.hpp

diff --git a/src/video/drawing_context.hpp b/src/video/drawing_context.hpp
index e37d28b..cc2bc01 100644 (file)
--- a/src/video/drawing_context.hpp
+++ b/src/video/drawing_context.hpp
@@ -23,17 +23,63 @@
 #include <stdint.h>
 #include <obstack.h>
 
-#include "math/rect.hpp"
+#include "math/rectf.hpp"
 #include "math/vector.hpp"
 #include "video/color.hpp"
-#include "video/drawing_request.hpp"
 #include "video/font.hpp"
+#include "video/font_ptr.hpp"
 #include "video/texture.hpp"
 
+class DrawingRequest;
+class Lightmap;
+class Renderer;
 class Surface;
 class Texture;
-class Renderer;
-class Lightmap;
+
+// some constants for predefined layer values
+enum {
+  // Image/gradient backgrounds (should cover entire screen)
+  LAYER_BACKGROUND0 = -300,
+  // Particle backgrounds
+  LAYER_BACKGROUND1 = -200,
+  // Tilemap backgrounds
+  LAYER_BACKGROUNDTILES = -100,
+  // Solid tilemaps
+  LAYER_TILES = 0,
+  // Ordinary objects
+  LAYER_OBJECTS = 50,
+  // Objects that pass through walls
+  LAYER_FLOATINGOBJECTS = 150,
+  //
+  LAYER_FOREGROUNDTILES = 200,
+  //
+  LAYER_FOREGROUND0 = 300,
+  //
+  LAYER_FOREGROUND1 = 400,
+  // Hitpoints, time, coins, etc.
+  LAYER_HUD = 500,
+  // Menus, mouse, console etc.
+  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)
+  {}
+};
+
+enum Target {
+  NORMAL, LIGHTMAP
+};
 
 /**
  * This class provides functions for drawing things on screen. It also
@@ -42,40 +88,42 @@ class Lightmap;
 class DrawingContext
 {
 public:
-  DrawingContext();
+  DrawingContext(Renderer& renderer, Lightmap& lightmap);
   ~DrawingContext();
 
-  void init_renderer();
-
   /// Adds a drawing request for a surface into the request list.
-  void draw_surface(const Surface* surface, const Vector& position,
+  void draw_surface(SurfacePtr 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,
+  void draw_surface(SurfacePtr 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);
+  void draw_surface_part(SurfacePtr surface,
+                         const Rectf& srcrect, const Rectf& dstrect,
+                         int layer);
   /// Draws a text.
-  void draw_text(const Font* font, const std::string& text,
+  void draw_text(FontPtr font, const std::string& text,
                  const Vector& position, FontAlignment alignment, int layer, Color color = Color(1.0,1.0,1.0));
 
   /// 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_ALIGN
-  void draw_center_text(const Font* font, const std::string& text,
+  void draw_center_text(FontPtr font, const std::string& text,
                         const Vector& position, int layer, Color color = Color(1.0,1.0,1.0));
   /// Draws a color gradient onto the whole screen */
   void draw_gradient(const Color& from, const Color& to, int layer);
   /// Fills a rectangle.
   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);
-  void draw_filled_rect(const Rect& rect, const Color& color, float radius, int layer);
+  void draw_filled_rect(const Rectf& rect, const Color& color, int layer);
+  void draw_filled_rect(const Rectf& rect, const Color& color, float radius, int layer);
 
   void draw_inverse_ellipse(const Vector& pos, const Vector& size, const Color& color, int layer);
 
+  /// Returns the visible area in world coordinates
+  Rectf get_cliprect() const;
+
   /// Processes all pending drawing requests and flushes the list.
   void do_drawing();
 
@@ -130,7 +178,7 @@ private:
 
     Transform() :
       translation(),
-      drawing_effect(NO_EFFECT), 
+      drawing_effect(NO_EFFECT),
       alpha(1.0f)
     { }
 
@@ -140,9 +188,11 @@ private:
     }
   };
 
+  void clear_drawing_requests(DrawingRequests& requests);
+
 private:
-  Renderer *renderer;
-  Lightmap *lightmap;
+  Renderer& renderer;
+  Lightmap& lightmap;
 
   /// the transform stack
   std::vector<Transform> transformstack;