renderablemeshcomponent.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
 
// Local Includes
#include "rendercomponent.h"
#include "renderablemesh.h"
#include "materialinstance.h"
 
// External Includes
#include <nap/resourceptr.h>
#include <transformcomponent.h>
#include <rect.h>
 
namespace nap
{
    class RenderableMeshComponentInstance;
    
    class NAPAPI RenderableMeshComponent : public RenderableComponent
    {
        RTTI_ENABLE(RenderableComponent)
        DECLARE_COMPONENT(RenderableMeshComponent, RenderableMeshComponentInstance)
    public:
        virtual void getDependentComponents(std::vector<rtti::TypeInfo>& components) const override;
 
        IMesh& getMeshResource()            { return *mMesh; }
 
    public:
        ResourcePtr<IMesh>                  mMesh;                              
        MaterialInstanceResource            mMaterialInstanceResource;          
        math::Rect                          mClipRect;                          
        float                               mLineWidth = 1.0f;                  
    };
 
 
    class NAPAPI RenderableMeshComponentInstance : public RenderableComponentInstance
    {
        RTTI_ENABLE(RenderableComponentInstance)
 
    public:
        RenderableMeshComponentInstance(EntityInstance& entity, Component& component);
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        RenderableMesh createRenderableMesh(IMesh& mesh, MaterialInstance& materialInstance, utility::ErrorState& errorState);
 
        RenderableMesh createRenderableMesh(IMesh& mesh, utility::ErrorState& errorState);
 
        void setMesh(const RenderableMesh& mesh);
 
        MaterialInstance& getMaterialInstance();
 
        IMesh& getMesh()                                        { return mRenderableMesh.getMesh(); }
 
        MeshInstance& getMeshInstance()                         { return getMesh().getMeshInstance(); }
 
        const RenderableMesh& getRenderableMesh() const         { return mRenderableMesh; }
 
        void setClipRect(const math::Rect& rect)                { mClipRect = rect; }
 
        void setLineWidth(float lineWidth)                      { mLineWidth = lineWidth; }
 
        const math::Rect& getClipRect() const                   { return mClipRect; }
 
        const TransformComponentInstance& getTransform()        { return *mTransformComponent; }
 
        MaterialInstance* getOrCreateMaterial() { return &mMaterialInstance; }
 
    protected:
        virtual void onDraw(IRenderTarget& renderTarget, VkCommandBuffer commandBuffer, const glm::mat4& viewMatrix, const glm::mat4& projectionMatrix) override;
 
        TransformComponentInstance*             mTransformComponent;                
        MaterialInstance                        mMaterialInstance;                  
        math::Rect                              mClipRect;                          
        RenderableMesh                          mRenderableMesh;                    
 
        UniformMat4Instance*                    mModelMatUniform = nullptr;         
        UniformMat4Instance*                    mViewMatUniform = nullptr;          
        UniformMat4Instance*                    mProjectMatUniform = nullptr;       
        UniformMat4Instance*                    mNormalMatrixUniform = nullptr;     
        UniformVec3Instance*                    mCameraWorldPosUniform = nullptr;   
 
        float                                   mLineWidth = 1.0f;                  
    };
}