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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
#include "ogre_common.cpp"
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struct MyMeshLoader : ManualResourceLoader
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{
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void loadResource(Resource *resource)
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{
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Mesh *mesh = dynamic_cast<Mesh*>(resource);
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assert(mesh);
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const String& name = mesh->getName();
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cout << "Manually loading mesh " << name << endl;
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// Create the mesh here
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int numVerts = 4;
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int numFaces = 2*3;
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const float vertices[] =
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{ -1,-1,0, 1,-1,0,
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1,1,0, -1,1,0 };
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const short faces[] =
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{ 0,2,1, 0,3,2 };
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mesh->sharedVertexData = new VertexData();
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mesh->sharedVertexData->vertexCount = numVerts;
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VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
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decl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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HardwareVertexBufferSharedPtr vbuf =
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HardwareBufferManager::getSingleton().createVertexBuffer(
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VertexElement::getTypeSize(VET_FLOAT3),
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numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
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// Upload the vertex data to the card
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vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
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// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
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VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding;
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bind->setBinding(0, vbuf);
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/// Allocate index buffer of the requested number of faces
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HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
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createIndexBuffer(HardwareIndexBuffer::IT_16BIT,
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numFaces,
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HardwareBuffer::HBU_STATIC_WRITE_ONLY);
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/// Upload the index data to the card
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ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
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SubMesh* sub = mesh->createSubMesh(name+"tris");
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sub->useSharedVertices = true;
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/// Set parameters of the submesh
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sub->indexData->indexBuffer = ibuf;
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sub->indexData->indexCount = numFaces;
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sub->indexData->indexStart = 0;
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mesh->_setBounds(AxisAlignedBox(-1.1,-1.1,-1.1,1.1,1.1,1.1));
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mesh->_setBoundingSphereRadius(2);
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}
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};
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MyMeshLoader mml;
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MeshPtr makeMesh(const string &name)
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{
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return MeshManager::getSingleton().createManual(name, "General", &mml);
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}
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