-// $Id$
-//
// SuperTux
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#ifndef SUPERTUX_DRAWINGCONTEXT_H
-#define SUPERTUX_DRAWINGCONTEXT_H
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#include <vector>
-#include <string>
-#include <memory>
+#ifndef HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP
+#define HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP
+#include <memory>
+#include <string>
+#include <vector>
#include <stdint.h>
+#include <obstack.h>
-#include <SDL_video.h>
-
-#include "glutil.hpp"
-#include "obstack/obstack.h"
+#include "math/rectf.hpp"
#include "math/vector.hpp"
-#include "math/rect.hpp"
-#include "drawing_request.hpp"
-#include "font.hpp"
-#include "color.hpp"
+#include "video/color.hpp"
+#include "video/font.hpp"
+#include "video/font_ptr.hpp"
+#include "video/texture.hpp"
+class DrawingRequest;
+class Lightmap;
+class Renderer;
class Surface;
class Texture;
-struct DrawingRequest;
-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
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,
- const Vector& position, FontAlignment alignment, int layer);
+ 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_ALLIGN
- void draw_center_text(const Font* font, const std::string& text,
- const Vector& position, int layer);
+ /// alignment set to LEFT_ALIGN
+ 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();
void take_screenshot();
private:
+ typedef std::vector<DrawingRequest*> DrawingRequests;
+
+private:
+ void handle_drawing_requests(DrawingRequests& requests);
+
+private:
class Transform
{
public:
DrawingEffect drawing_effect;
float alpha;
- Transform()
- : drawing_effect(NO_EFFECT), alpha(1.0f)
+ Transform() :
+ translation(),
+ drawing_effect(NO_EFFECT),
+ alpha(1.0f)
{ }
Vector apply(const Vector& v) const
}
};
- Renderer *renderer;
- Lightmap *lightmap;
+ void clear_drawing_requests(DrawingRequests& requests);
+
+private:
+ Renderer& renderer;
+ Lightmap& lightmap;
/// the transform stack
std::vector<Transform> transformstack;
std::vector<Blend> blend_stack;
Blend blend_mode;
- typedef std::vector<DrawingRequest*> DrawingRequests;
-
- void handle_drawing_requests(DrawingRequests& requests);
-
DrawingRequests drawing_requests;
DrawingRequests lightmap_requests;
struct obstack obst;
bool screenshot_requested; /**< true if a screenshot should be taken after the next frame has been rendered */
+
+private:
+ DrawingContext(const DrawingContext&);
+ DrawingContext& operator=(const DrawingContext&);
};
#endif
+/* EOF */
projects / supertux.git / blobdiff