73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#pragma once
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#include "tarray.h"
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#include "r_defs.h"
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struct vertex_t;
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struct FQualifiedVertex
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{
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vertex_t *vertex; // index into vertex array
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int qualifier; // some index to prevent vertices in different groups from being merged together.
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};
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template<> struct THashTraits<FQualifiedVertex>
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{
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hash_t Hash(const FQualifiedVertex &key)
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{
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return (int)(((intptr_t)key.vertex) >> 4) ^ (key.qualifier << 16);
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}
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int Compare(const FQualifiedVertex &left, const FQualifiedVertex &right) { return left.vertex != right.vertex || left.qualifier != right.qualifier; }
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};
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//=============================================================================
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//
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// One sector's vertex data.
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//
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//=============================================================================
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struct VertexContainer
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{
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TArray<FQualifiedVertex> vertices;
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TMap<FQualifiedVertex, uint32_t> vertexmap;
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bool perSubsector = false;
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TArray<uint32_t> indices;
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uint32_t AddVertex(FQualifiedVertex *vert)
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{
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auto check = vertexmap.CheckKey(*vert);
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if (check != nullptr) return *check;
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auto index = vertices.Push(*vert);
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vertexmap[*vert] = index;
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return index;
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}
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uint32_t AddVertex(vertex_t *vert, int qualifier)
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{
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FQualifiedVertex vertx = { vert, qualifier};
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return AddVertex(&vertx);
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}
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uint32_t AddIndexForVertex(FQualifiedVertex *vert)
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{
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return indices.Push(AddVertex(vert));
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}
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uint32_t AddIndexForVertex(vertex_t *vert, int qualifier)
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{
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return indices.Push(AddVertex(vert, qualifier));
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}
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uint32_t AddIndex(uint32_t indx)
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{
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return indices.Push(indx);
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}
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};
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using VertexContainers = TArray<VertexContainer>;
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VertexContainers BuildVertices(TArray<sector_t> §ors);
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class FFlatVertexBuffer;
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void CheckUpdate(FFlatVertexBuffer* fvb, sector_t* sector);
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void CreateVBO(FFlatVertexBuffer* fvb, TArray<sector_t>& sectors);
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