ClipmapGeometry.h

#pragma once
 
#include "Rendering/IBuffers.h"
 
namespace Cogs
{
  struct ClipmapMesh
  {
    VertexBufferHandle vertexBuffer;
    IndexBufferHandle indexBuffer;
 
    uint32_t stride;
 
    int width;
    int height;
  };
 
  struct ClipmapGeometry
  {
    ClipmapGeometry() : initialized(false) {}
 
    ClipmapMesh fieldBlockMesh;
    ClipmapMesh ringFixupHorizontalMesh;
    ClipmapMesh ringFixupVerticalMesh;
 
    ClipmapMesh offsetStripHorizontalMesh;
    ClipmapMesh offsetStripVerticalMesh;
 
    ClipmapMesh centerMesh;
 
    ClipmapMesh degenerateTriangleMesh;
 
    ClipmapMesh worldMesh;
    ClipmapMesh simpleWorldMesh;
 
    ClipmapMesh simpleMesh;
 
    bool initialized;
 
    IBuffers * buffers;
 
    VertexFormatHandle meshFormat;
    uint32_t stride;
  };
 
  ClipmapMesh createMesh(IBuffers * buffers, double left, double bottom, double right, double top, size_t numberOfPartitionsX, size_t numberOfPartitionsY, const VertexFormatHandle & vertexFormat);
  ClipmapMesh createSimpleMesh(IBuffers * buffers, double left, double bottom, double right, double top, size_t numberOfPartitionsX, size_t numberOfPartitionsY, const VertexFormatHandle & vertexFormat);
  ClipmapMesh createDegenerateMesh(IBuffers * buffers, size_t clipmapSegments, size_t clipmapPosts, const VertexFormatHandle & vertexFormat);
 
  void initializeGeometry(ClipmapGeometry & clipmapGeometry, IBuffers * buffers, size_t fillPatchPosts, size_t fillPatchSegments, size_t clipmapSegments, size_t clipmapPosts);
 
  void releaseMesh(ClipmapMesh & mesh, IBuffers * buffers);
 
  void releaseGeometry(ClipmapGeometry & clipmapGeometry, IBuffers * buffers);
}