Imported Upstream version 0.26.0

components/nifogre/tests/ogre_mesh_common.cpp

@@ -0,0 +1,69 @@
+#include "ogre_common.cpp"
+
+struct MyMeshLoader : ManualResourceLoader
+{
+  void loadResource(Resource *resource)
+  {
+    Mesh *mesh = dynamic_cast<Mesh*>(resource);
+    assert(mesh);
+
+    const String& name = mesh->getName();
+    cout << "Manually loading mesh " << name << endl;
+
+    // Create the mesh here
+    int numVerts = 4;
+    int numFaces = 2*3;
+    const float vertices[] =
+      { -1,-1,0, 1,-1,0,
+        1,1,0,   -1,1,0 };
+
+    const short faces[] =
+      { 0,2,1,  0,3,2 };
+
+    mesh->sharedVertexData = new VertexData();
+    mesh->sharedVertexData->vertexCount = numVerts;
+
+    VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
+
+    decl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
+
+    HardwareVertexBufferSharedPtr vbuf = 
+      HardwareBufferManager::getSingleton().createVertexBuffer(
+    VertexElement::getTypeSize(VET_FLOAT3),
+        numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
+
+    // Upload the vertex data to the card
+    vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
+
+    // Set vertex buffer binding so buffer 0 is bound to our vertex buffer
+    VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding; 
+    bind->setBinding(0, vbuf);
+
+    /// Allocate index buffer of the requested number of faces
+    HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
+      createIndexBuffer(HardwareIndexBuffer::IT_16BIT, 
+                        numFaces,
+                        HardwareBuffer::HBU_STATIC_WRITE_ONLY);
+
+    /// Upload the index data to the card
+    ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
+
+    SubMesh* sub = mesh->createSubMesh(name+"tris");
+    sub->useSharedVertices = true;
+
+    /// Set parameters of the submesh
+    sub->indexData->indexBuffer = ibuf;
+    sub->indexData->indexCount = numFaces;
+    sub->indexData->indexStart = 0;
+
+    mesh->_setBounds(AxisAlignedBox(-1.1,-1.1,-1.1,1.1,1.1,1.1));
+    mesh->_setBoundingSphereRadius(2);
+  }
+};
+
+MyMeshLoader mml;
+
+MeshPtr makeMesh(const string &name)
+{
+  return MeshManager::getSingleton().createManual(name, "General", &mml);
+}