mirror of
https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
Alex Szpakowski
154 lines
3.6 KiB
C++
154 lines
3.6 KiB
C++
/**
|
|
* Copyright (c) 2006-2017 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.
|
|
**/
|
|
|
|
#pragma once
|
|
|
|
// C
|
|
#include <cstring>
|
|
|
|
// C++
|
|
#include <unordered_map>
|
|
|
|
// LOVE
|
|
#include "common/math.h"
|
|
#include "common/Matrix.h"
|
|
#include "common/Color.h"
|
|
#include "Drawable.h"
|
|
#include "Mesh.h"
|
|
#include "vertex.h"
|
|
|
|
namespace love
|
|
{
|
|
namespace graphics
|
|
{
|
|
|
|
// Forward declarations.
|
|
class Graphics;
|
|
class Texture;
|
|
class Quad;
|
|
class Buffer;
|
|
|
|
class SpriteBatch : public Drawable
|
|
{
|
|
public:
|
|
|
|
static love::Type type;
|
|
|
|
SpriteBatch(Graphics *gfx, Texture *texture, int size, vertex::Usage usage);
|
|
virtual ~SpriteBatch();
|
|
|
|
int add(const Matrix4 &m, int index = -1);
|
|
int add(Quad *quad, const Matrix4 &m, int index = -1);
|
|
int addLayer(int layer, const Matrix4 &m, int index = -1);
|
|
int addLayer(int layer, Quad *quad, const Matrix4 &m, int index = -1);
|
|
|
|
void clear();
|
|
|
|
void flush();
|
|
|
|
void setTexture(Texture *newtexture);
|
|
Texture *getTexture() const;
|
|
|
|
/**
|
|
* Set the current color for this SpriteBatch. The sprites added
|
|
* after this call will use this color. Note that global color
|
|
* will not longer apply to the SpriteBatch if this is used.
|
|
*
|
|
* @param color The color to use for the following sprites.
|
|
*/
|
|
void setColor(const Colorf &color);
|
|
|
|
/**
|
|
* Disable per-sprite colors for this SpriteBatch. The next call to
|
|
* draw will use the global color for all sprites.
|
|
*/
|
|
void setColor();
|
|
|
|
/**
|
|
* Get the current color for this SpriteBatch.
|
|
**/
|
|
Colorf getColor(bool &active) const;
|
|
|
|
/**
|
|
* Get the number of sprites currently in this SpriteBatch.
|
|
**/
|
|
int getCount() const;
|
|
|
|
/**
|
|
* Get the total number of sprites this SpriteBatch can currently hold.
|
|
**/
|
|
int getBufferSize() const;
|
|
|
|
/**
|
|
* Attaches a specific vertex attribute from a Mesh to this SpriteBatch.
|
|
* The vertex attribute will be used when drawing the SpriteBatch.
|
|
**/
|
|
void attachAttribute(const std::string &name, Mesh *mesh);
|
|
|
|
void setDrawRange(int start, int count);
|
|
void setDrawRange();
|
|
bool getDrawRange(int &start, int &count) const;
|
|
|
|
// Implements Drawable.
|
|
void draw(Graphics *gfx, const Matrix4 &m) override;
|
|
|
|
private:
|
|
|
|
struct AttachedAttribute
|
|
{
|
|
StrongRef<Mesh> mesh;
|
|
int index;
|
|
};
|
|
|
|
/**
|
|
* Sets the total number of sprites this SpriteBatch can hold.
|
|
* Leaves existing sprite data intact when possible.
|
|
**/
|
|
void setBufferSize(int newsize);
|
|
|
|
StrongRef<Texture> texture;
|
|
|
|
// Max number of sprites in the batch.
|
|
int size;
|
|
|
|
// The next free element.
|
|
int next;
|
|
|
|
// Current color. This color, if present, will be applied to the next
|
|
// added sprite.
|
|
Color color;
|
|
bool color_active;
|
|
|
|
vertex::CommonFormat vertex_format;
|
|
size_t vertex_stride;
|
|
|
|
love::graphics::Buffer *array_buf;
|
|
QuadIndices quad_indices;
|
|
|
|
std::unordered_map<std::string, AttachedAttribute> attached_attributes;
|
|
|
|
int range_start;
|
|
int range_count;
|
|
|
|
}; // SpriteBatch
|
|
|
|
} // graphics
|
|
} // love
|