renderfrustumcomponent.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// External includes
#include <renderablemeshcomponent.h>
#include <mesh.h>
#include <nap/resourceptr.h>
#include <componentptr.h>
 
// Local includes
#include "boxframemesh.h"
 
namespace nap
{
    // Forward declares
    class RenderFrustumComponentInstance;
    class CameraComponentInstance;
 
    class NAPAPI RenderFrustumComponent : public RenderableComponent
    {
        RTTI_ENABLE(RenderableComponent)
        DECLARE_COMPONENT(RenderFrustumComponent, RenderFrustumComponentInstance)
 
    public:
        virtual void getDependentComponents(std::vector<rtti::TypeInfo>& components) const override;
 
        float mLineWidth = 2.0f;                            
        RGBColorFloat mColor = { 1.0f, 1.0f, 1.0f };        
    };
 
 
    class NAPAPI RenderFrustumComponentInstance : public RenderableComponentInstance
    {
        RTTI_ENABLE(RenderableComponentInstance)
    public:
        // Default constructor
        RenderFrustumComponentInstance(EntityInstance& entity, Component& resource);
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        const glm::vec3& getColor() const                                                   { return mColorUniform->getValue(); }
 
        void setColor(const glm::vec3& color)                                               { mColorUniform->setValue(color); }
 
        virtual bool isSupported(nap::CameraComponentInstance& camera) const override       { return true; }
 
    protected:
        void onDraw(IRenderTarget& renderTarget, VkCommandBuffer commandBuffer, const glm::mat4& viewMatrix, const glm::mat4& projectionMatrix) override;
 
    private:
        bool updateFrustum(utility::ErrorState& errorState);
 
        RenderFrustumComponent* mResource = nullptr;
        RenderService* mRenderService = nullptr;
        CameraComponentInstance* mCamera = nullptr;
        TransformComponentInstance* mCameraTransform = nullptr;
 
        BoxFrameMesh mFrustumMesh;                                                  
        RenderableMesh mRenderableMesh;                                             
        MaterialInstance mMaterialInstance;                                         
        MaterialInstanceResource mMaterialInstanceResource;                         
 
        UniformStructInstance* mMVPStruct = nullptr;                                
        UniformMat4Instance* mModelMatUniform = nullptr;                            
        UniformMat4Instance* mViewMatUniform = nullptr;                             
        UniformMat4Instance* mProjectMatUniform = nullptr;                          
 
        UniformStructInstance* mUBOStruct = nullptr;                                
        UniformVec3Instance* mColorUniform = nullptr;                               
    };
}