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/*
render/state.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_RENDER_STATE_H__
#define __INCLUDED_RENDER_STATE_H__
#include "core/entity.h"
#include "render/gl.h"
namespace render
{
class State
{
public:
/* ---- render context ------------------------------------- */
/**
* @brief Initialize the render state
**/
static void init(int width, int height);
/**
* @brief Initialize the render state
**/
static void shutdown();
/**
* @brief Resize the render context
**/
static void resize(int width, int height);
/**
* @brief Clear the render context state
**/
static void clear();
/* ---- material context ----------------------------------- */
/**
* @brief Reset the material context
**/
static void reset();
/**
* @brief Set the primary color of the material context
* set_color() should be used before calling set_material().
**/
static void set_color(const math::Color & color);
/**
* @brief Set the secondary color of the material context
* set_color_second() should be used before calling set_material().
**/
static void set_color_second(const math::Color & color);
/**
* @brief Set the engine color of the material context
* set_color_engine() should be used before calling set_material().
**/
static void set_color_engine(const math::Color & color);
/**
* @brief Copy primary, secondary and engine color from an entity
* set_color() should be used before calling set_material().
**/
static void set_color(const core::Entity *entity);
/**
* @brief set the power state for materials with Bright and Engine flags
*/
static void set_power(const bool power);
/**
* @brief Set the material context
* use_material() will alter the current render context according to the settings
* defined by the material. If the material uses primary, secondary or engine color,
* the current material context colors will be used.
**/
static void use_material(const model::Material * material);
inline static int width() {
return state_width;
}
inline static int height() {
return state_height;
}
inline static float aspect() {
return state_aspect;
}
inline static bool has_generate_mipmaps() {
return state_has_generate_mipmaps;
}
inline static bool has_vbo() {
return state_has_vbo;
}
inline static GLuint vbo() {
return state_vbo;
}
static void set_normalize(const bool enable=true);
private:
static int state_width;
static int state_height;
static float state_aspect;
static bool state_has_generate_mipmaps;
static bool state_has_vbo;
static GLuint state_vbo;
static math::Color state_color_primary; // current primary color
static math::Color state_color_secondary; // current secondary color
static math::Color state_color_engine; // current secondary color
static bool state_power; // power state indicator
};
} // namespace render
#endif // __INCLUDED_RENDER_STATE_H__
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