ObjectNodeRenderer.h

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#pragma once
 
#include <vector>
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/model/Node.h>
#include <tdme/engine/subsystems/manager/VBOManager_VBOManaged.h>
#include <tdme/engine/subsystems/rendering/fwd-tdme.h>
#include <tdme/engine/subsystems/rendering/ObjectNode.h>
#include <tdme/engine/subsystems/rendering/ObjectNodeMesh.h>
#include <tdme/engine/subsystems/skinning/fwd-tdme.h>
 
using std::vector;
 
using tdme::engine::subsystems::manager::VBOManager_VBOManaged;
using tdme::engine::subsystems::rendering::EntityRenderer;
using tdme::engine::subsystems::rendering::ObjectNode;
using tdme::engine::subsystems::rendering::ObjectNodeMesh;
using tdme::engine::subsystems::skinning::SkinningShader;
 
/**
 * Object node VBO renderer
 * @author Andreas Drewke
 */
class tdme::engine::subsystems::rendering::ObjectNodeRenderer final
{
    friend class EntityRenderer;
    friend class tdme::engine::Object;
    friend class tdme::engine::subsystems::rendering::ObjectNodeMesh;
    friend class tdme::engine::subsystems::skinning::SkinningShader;
 
private:
    ObjectNode* objectNode { nullptr };
    VBOManager_VBOManaged* vboManagedBase { nullptr };
    VBOManager_VBOManaged* vboManagedNormalMapping { nullptr };
    VBOManager_VBOManaged* vboManagedOrigins { nullptr };
    VBOManager_VBOManaged* vboManagedLods { nullptr };
    vector<int32_t>* vboBaseIds { nullptr };
    vector<int32_t>* vboNormalMappingIds { nullptr  };
    vector<int32_t>* vboOrigins { nullptr };
    vector<int32_t>* vboLods { nullptr };
    bool haveVBOs { false };
 
public:
    // forbid class copy
    FORBID_CLASS_COPY(ObjectNodeRenderer)
 
    /**
     * Constructor
     * @param objectNode object node
     */
    ObjectNodeRenderer(ObjectNode* objectNode);
 
    /**
     * @return if preRender call is required
     */
    inline bool needsPreRender() {
        return haveVBOs == false || objectNode->mesh->hasRecreatedBuffers() == true || objectNode->mesh->node->hasUpdate();
    }
 
    /**
     * Pre render step like uploading VBOs and such
     * @param contextIdx context index
     */
    void preRender(int contextIdx);
 
    /**
     * Disposes the object node
     */
    void dispose();
 
};