mirror of
https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
rude
113 lines
2.6 KiB
C++
113 lines
2.6 KiB
C++
/**
|
|
* Copyright (c) 2006-2009 LOVE Development Team
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not
|
|
* claim that you wrote the original software. If you use this software
|
|
* in a product, an acknowledgment in the product documentation would be
|
|
* appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
**/
|
|
|
|
#ifndef LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
|
|
#define LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
|
|
|
|
// C
|
|
#include <cstring>
|
|
|
|
// LOVE
|
|
#include <common/math.h>
|
|
#include <common/Object.h>
|
|
#include <common/Vector.h>
|
|
#include <common/Matrix.h>
|
|
#include <graphics/Drawable.h>
|
|
#include <graphics/Volatile.h>
|
|
|
|
// OpenGL
|
|
#include "GLee.h"
|
|
#include <SDL/SDL_opengl.h>
|
|
|
|
namespace love
|
|
{
|
|
namespace graphics
|
|
{
|
|
namespace opengl
|
|
{
|
|
// Forward declarations.
|
|
class Image;
|
|
class Quad;
|
|
|
|
class SpriteBatch : public Drawable, public Volatile
|
|
{
|
|
private:
|
|
|
|
Image * image;
|
|
|
|
// Max number of sprites in the batch.
|
|
int size;
|
|
|
|
// The next free element.
|
|
int next;
|
|
|
|
GLuint vbo[2];
|
|
|
|
// Vertex Buffer.
|
|
vertex * vertices;
|
|
|
|
// Index buffer.
|
|
GLushort * indices;
|
|
|
|
// The uage hint for the vertex buffer.
|
|
int usage;
|
|
int gl_usage;
|
|
|
|
// If the buffer is locked, this pointer is nonzero.
|
|
vertex * lockp;
|
|
|
|
public:
|
|
|
|
enum UsageHint
|
|
{
|
|
USAGE_DYNAMIC,
|
|
USAGE_STATIC,
|
|
USAGE_STREAM
|
|
};
|
|
|
|
SpriteBatch(Image * image, int size, int usage);
|
|
virtual ~SpriteBatch();
|
|
|
|
// Implements Volatile.
|
|
bool loadVolatile();
|
|
void unloadVolatile();
|
|
|
|
void add(float x, float y, float a, float sx, float sy, float ox, float oy);
|
|
void addq(Quad * quad, float x, float y, float a, float sx, float sy, float ox, float oy);
|
|
void clear();
|
|
|
|
void * lock();
|
|
void unlock();
|
|
|
|
// Implements Drawable.
|
|
void draw(float x, float y, float angle, float sx, float sy, float ox, float oy) const;
|
|
|
|
private:
|
|
|
|
void addv(const Matrix & t, const vertex * v);
|
|
|
|
}; // SpriteBatch
|
|
|
|
} // opengl
|
|
} // graphics
|
|
} // love
|
|
|
|
#endif // LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
|