Justin Marshall
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#pragma once
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#include "surface.h"
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class alignas(4) idSurface_Patch : public idSurface {
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public:
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idSurface_Patch();
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idSurface_Patch(const idSurface_Patch& other);
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~idSurface_Patch();
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void SetSize(int patchWidth, int patchHeight);
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void Subdivide(float horizontalError, float verticalError,
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float maxLength, bool generateNormals);
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void SubdivideExplicit(int horizontalSubdivisions,
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int verticalSubdivisions, bool generateNormals,
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bool removeLinearColumnsRows);
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int width;
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int height;
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int maxWidth;
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int maxHeight;
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bool expanded;
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private:
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void Collapse();
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void Expand();
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void GenerateIndexes();
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void GenerateNormals();
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void ProjectPointOntoVector(const idVec3& point,
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const idVec3& start, const idVec3& end, idVec3& projected);
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void PutOnCurve();
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void RemoveLinearColumnsRows();
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void ResizeExpanded(int newHeight, int newWidth);
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void SampleSinglePatch(const idDrawVert (*controlPoints)[3],
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int baseCol, int baseRow, int width, int height, int horzSub,
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idDrawVert* out) const;
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void SampleSinglePatchPoint(const idDrawVert (*controlPoints)[3],
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float u, float v, idDrawVert* out) const;
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};
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#if INTPTR_MAX == INT32_MAX
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static_assert(sizeof(idSurface_Patch) == 84,
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"Recovered idSurface_Patch ABI changed");
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#endif
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