DebugRendererSimple.h

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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2024 Jorrit Rouwe
// SPDX-License-Identifier: MIT
 
#pragma once
 
#ifndef JPH_DEBUG_RENDERER
    #error This file should only be included when JPH_DEBUG_RENDERER is defined
#endif // !JPH_DEBUG_RENDERER
 
#include <Jolt/Renderer/DebugRenderer.h>
 
JPH_NAMESPACE_BEGIN
 
class JPH_DEBUG_RENDERER_EXPORT DebugRendererSimple : public DebugRenderer
{
public:
    JPH_OVERRIDE_NEW_DELETE
 
                                DebugRendererSimple();
 
    void                        SetCameraPos(RVec3Arg inCameraPos)
    {
        mCameraPos = inCameraPos;
        mCameraPosSet = true;
    }
 
    virtual void                DrawTriangle(RVec3Arg inV1, RVec3Arg inV2, RVec3Arg inV3, ColorArg inColor, ECastShadow inCastShadow) override
    {
        DrawLine(inV1, inV2, inColor);
        DrawLine(inV2, inV3, inColor);
        DrawLine(inV3, inV1, inColor);
    }
 
protected:
    virtual Batch               CreateTriangleBatch(const Triangle *inTriangles, int inTriangleCount) override;
    virtual Batch               CreateTriangleBatch(const Vertex *inVertices, int inVertexCount, const uint32 *inIndices, int inIndexCount) override;
    virtual void                DrawGeometry(RMat44Arg inModelMatrix, const AABox &inWorldSpaceBounds, float inLODScaleSq, ColorArg inModelColor, const GeometryRef &inGeometry, ECullMode inCullMode, ECastShadow inCastShadow, EDrawMode inDrawMode) override;
 
private:
    class BatchImpl : public RefTargetVirtual
    {
    public:
        JPH_OVERRIDE_NEW_DELETE
 
        virtual void            AddRef() override           { ++mRefCount; }
        virtual void            Release() override          { if (--mRefCount == 0) delete this; }
 
        Array<Triangle>         mTriangles;
 
    private:
        atomic<uint32>          mRefCount = 0;
    };
 
    RVec3                       mCameraPos;
    bool                        mCameraPosSet = false;
};
 
JPH_NAMESPACE_END