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43 lines
911 B
C++
43 lines
911 B
C++
#pragma once
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struct FModelVertex
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{
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float x, y, z; // world position
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float u, v; // texture coordinates
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unsigned packedNormal; // normal vector as GL_INT_2_10_10_10_REV.
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void Set(float xx, float yy, float zz, float uu, float vv)
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{
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x = xx;
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y = yy;
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z = zz;
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u = uu;
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v = vv;
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}
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void SetNormal(float nx, float ny, float nz)
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{
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int inx = clamp(int(nx * 512), -512, 511);
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int iny = clamp(int(ny * 512), -512, 511);
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int inz = clamp(int(nz * 512), -512, 511);
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int inw = 0;
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packedNormal = (inw << 30) | ((inz & 1023) << 20) | ((iny & 1023) << 10) | (inx & 1023);
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}
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};
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#define VMO ((FModelVertex*)nullptr)
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class IModelVertexBuffer
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{
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public:
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virtual ~IModelVertexBuffer() { }
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virtual FModelVertex *LockVertexBuffer(unsigned int size) = 0;
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virtual void UnlockVertexBuffer() = 0;
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virtual unsigned int *LockIndexBuffer(unsigned int size) = 0;
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virtual void UnlockIndexBuffer() = 0;
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};
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