CBaseRP.h

/*
!@
MIT License
 
Copyright (c) 2019 Skylicht Technology CO., LTD
 
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
This file is part of the "Skylicht Engine".
https://github.com/skylicht-lab/skylicht-engine
!#
*/
 
#pragma once
 
#include "IRenderPipeline.h"
#include "Entity/CEntityManager.h"
 
namespace Skylicht
{
    class SKYLICHT_API CBaseRP : public IRenderPipeline
    {
    protected:
        IRenderPipeline* m_next;
 
        CMeshBuffer<video::S3DVertex2TCoords>* m_drawBuffer;
        IVertexBuffer* m_verticesImage;
        IIndexBuffer* m_indicesImage;
 
        float m_viewport2DW;
        float m_viewport2DH;
 
        SMaterial m_unbindMaterial;
 
        int m_textureColorShaderID;
 
        static bool s_bakeMode;
        static bool s_bakeLMMode;
        static u32 s_bakeBounce;
        static u32 s_maxLight;
        static SColor s_clearColor;
 
    public:
        CBaseRP();
 
        virtual ~CBaseRP();
 
        virtual bool canRenderMaterial(CMaterial* m);
 
        virtual bool canRenderShader(CShader* s);
 
        virtual void render(ITexture* target, CCamera* camera, CEntityManager* entityManager, const core::recti& vp, int cubeFaceId = -1, IRenderPipeline* lastRP = NULL) = 0;
 
        virtual void setCamera(CCamera* camera);
 
        virtual void setNextPipeLine(IRenderPipeline* next);
 
        virtual void onNext(ITexture* target, CCamera* camera, CEntityManager* entity, const core::recti& vp, int cubeFaceId);
 
        virtual void drawMeshBuffer(CMesh* mesh, int bufferID, CEntityManager* entity, int entityID, bool skinnedMesh);
 
        virtual void drawInstancingMeshBuffer(CMesh* mesh, int bufferID, CShader* instancingShader, CEntityManager* entityMgr, int entityID, bool skinnedMesh);
 
    public:
 
        virtual void updateTextureResource(CMesh* mesh, int bufferID, CEntityManager* entity, int entityID, bool skinnedMesh);
 
        virtual void updateShaderResource(CShader* shader, CEntityManager* entity, int entityID, video::SMaterial& irrMaterial);
 
        void beginRender2D(float w, float h);
 
        void renderBufferToTarget(float sx, float sy, float sw, float sh, SMaterial& material, bool flipY = true, bool flipX = false);
 
        void renderBufferToTarget(float dx, float dy, float dw, float dh, float sx, float sy, float sw, float sh, SMaterial& material, bool flipY = true, bool flipX = false);
 
        void renderEnvironment(CCamera* camera, CEntityManager* entityMgr, const core::vector3df& position, ITexture* texture[], int* face, int numFace, bool allPipeline);
 
        void renderCubeEnvironment(CCamera* camera, CEntityManager* entityMgr, const core::vector3df& position, ITexture* texture, int* face, int numFace, bool allPipeline);
 
        static void saveFBOToFile(ITexture* texture, const char* output);
 
        static void setBakeMode(bool b);
 
        static void setBakeLightmapMode(bool b);
 
        static void setBakeLightingMapBounce(u32 i);
 
        static void setClearColor(const SColor& c);
 
        static void setMaxLight(u32 maxLights);
 
        void unbindRTT();
 
    protected:
 
        void disableTextureBilinear(SMaterial& m, int slot);
 
        void enableTextureBilinear(SMaterial& m, int slot);
 
        void setTarget(ITexture* target, int faceId);
 
        void drawSceneToTexture(ITexture* target, CCamera* camera, CEntityManager* entityMgr, bool allPipeline);
 
        void drawSceneToCubeTexture(ITexture* target, CCamera* camera, video::E_CUBEMAP_FACE faceID, CEntityManager* entityMgr, bool allPipeline);
    };
}