FixedOrder_Camera.hpp

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#pragma once
 
#include "Camera.hpp"
 
#include <ivorium_core/ivorium_core.hpp>
 
#include <map>
#include <vector>
 
namespace iv
{
 
class FixedOrder_Camera : public Camera
{
public:
ClientMarker cm;
                            FixedOrder_Camera( Instance *, iv::RenderTarget::Geometry );
 
    virtual void            FrameStart() override;
    virtual void            AddRenderable_Solid( Renderable *, GLuint shader_id, GLuint primary_texture_id ) override;
    virtual void            AddRenderable_Translucent( Renderable *, GLuint shader_id, GLuint primary_texture_id ) override;
    virtual void            RunRender( CameraState const & state ) override;
 
private:
    struct RenderId
    {
        // primary identity
        Renderable * renderable;
        
        // sorting
        GLuint shader_id;
        GLuint primary_texture_id;
        
        RenderId() : renderable( nullptr ), shader_id( 0 ), primary_texture_id( 0 ){}
    };
    
    struct SolidInfo
    {
        unsigned frame_id;
        unsigned depth;
    };
    
    struct TranslucentInfo
    {
        RenderId id;
        unsigned depth;
        
        TranslucentInfo() : id(), depth( 0 ){}
        TranslucentInfo( RenderId id, unsigned depth ) : id( id ), depth( depth ){}
    };
    
    struct RenderIdComparator
    {
        bool operator()( RenderId const & left, RenderId const & right ) const;
    };
    
private:
    unsigned _depth_next;
    std::map< RenderId, SolidInfo, RenderIdComparator > solids;
    std::vector< TranslucentInfo > translucents;
};
 
}