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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCOREGEOMETRY_H
#define ROCKETCOREGEOMETRY_H
#include "Header.h"
#include "Vertex.h"
namespace Rocket {
namespace Core {
class Context;
class Element;
class RenderInterface;
struct Texture;
/**
A helper object for holding an array of vertices and indices, and compiling it as necessary when rendered.
@author Peter Curry
*/
class ROCKETCORE_API Geometry
{
public:
Geometry(Element* host_element = NULL);
Geometry(Context* host_context);
~Geometry();
/// Set the host element for this geometry; this should be passed in the constructor if possible.
/// @param[in] host_element The new host element for the geometry.
void SetHostElement(Element* host_element);
/// Attempts to compile the geometry if appropriate, then renders the geometry, compiled if it can.
/// @param[in] translation The translation of the geometry.
void Render(const Vector2f& translation);
/// Returns the geometry's vertices. If these are written to, Release() should be called to force a recompile.
/// @return The geometry's vertex array.
std::vector< Vertex >& GetVertices();
/// Returns the geometry's indices. If these are written to, Release() should be called to force a recompile.
/// @return The geometry's index array.
std::vector< int >& GetIndices();
/// Gets the geometry's texture.
/// @return The geometry's texture.
const Texture* GetTexture() const;
/// Sets the geometry's texture.
void SetTexture(const Texture* texture);
/// Releases any previously-compiled geometry, and forces any new geometry to have a compile attempted.
/// @param[in] clear_buffers True to also clear the vertex and index buffers, false to leave intact.
void Release(bool clear_buffers = false);
private:
// Returns the host context's render interface.
RenderInterface* GetRenderInterface();
Context* host_context;
Element* host_element;
std::vector< Vertex > vertices;
std::vector< int > indices;
const Texture* texture;
CompiledGeometryHandle compiled_geometry;
bool compile_attempted;
bool fixed_texcoords;
};
typedef std::vector< Geometry > GeometryList;
}
}
#endif
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