/// <summary>
/// Buffers array data and creates draw commands as needed for a given object
/// </summary>
/// <param name="eye">Viewer camera used to select detail level</param>
/// <param name="objectBlock">Object to draw</param>
private void Dispatch(Camera eye, ScenarioStructureBspBlock scenarioStructure, CacheKey cacheKey)
{
if (scenarioStructure == null)
{
return;
}
foreach (var cluster in scenarioStructure.Clusters)
{
if (!cluster.IsClusterDataLoaded)
{
cluster.LoadClusterData( );
}
var section = cluster.ClusterData[0].Section;
_bucketManager.BufferPartData(section);
foreach (var part in section.Parts)
{
var materialBlock = scenarioStructure.Materials[part.Material];
// Create an instance for this part and assign a shader for it
_drawManager.CreateInstance(part, new ScenarioInstanceBlock( ), false);
_drawManager.AssignShader(part, cacheKey, materialBlock.Shader.Ident);
}
}
}
internal void LoadScenarioCollision(ScenarioStructureBspBlock structureBSP)
{
foreach (var cluster in structureBSP.clusters)
{
var triangleMesh = new TriangleMesh();
var vertices = new Vector3[cluster.clusterData[0].section.vertexBuffers[0].vertexBuffer.Data.Length / 12];
for (int i = 0; i < vertices.Length; ++i)
{
var data = cluster.clusterData[0].section.vertexBuffers[0].vertexBuffer.Data;
vertices[i] = new Vector3(
BitConverter.ToSingle(data, i * 12 + 0),
BitConverter.ToSingle(data, i * 12 + 4),
BitConverter.ToSingle(data, i * 12 + 8));
}
TriangleIndexVertexArray inte = new TriangleIndexVertexArray(
cluster.clusterData[0].section.stripIndices.Select(x => (int)x.index).ToArray(), vertices);
CollisionObject o = new CollisionObject();
o.CollisionShape = new BvhTriangleMeshShape(inte, true);
o.CollisionFlags = CollisionFlags.StaticObject;
World.AddCollisionObject(o, CollisionFilterGroups.StaticFilter, CollisionFilterGroups.AllFilter);
}
}
public void LoadScenarioStructure(ScenarioStructureBspBlock levelBlock)
{
this.Level = levelBlock;
ClusterObjects = new List <RenderObject>();
InstancedGeometryObjects = new List <RenderObject>();
foreach (var cluster in this.Level.clusters)
{
ClusterObjects.Add(new RenderObject(cluster)
{
DiffuseColour = Colours.LinearRandomDiffuseColor
});
}
foreach (var item in this.Level.instancedGeometriesDefinitions)
{
InstancedGeometryObjects.Add(new RenderObject(item)
{
DiffuseColour = Color.DarkRed
});
}
}
internal void LoadScenarioCollision(ScenarioStructureBspBlock structureBSP)
{
{
var meshArray = new InfoTriangleIndexVertexArray( );
foreach (var cluster in structureBSP.Clusters)
{
var globalGeometrySectionStructBlock = cluster.ClusterData[0].Section;
if (!IsCollisionMesh(globalGeometrySectionStructBlock))
{
continue;
}
var indexedMesh = GenerateBvhCollisionObjectFromMesh(globalGeometrySectionStructBlock, Matrix4.Identity);
meshArray.AddIndexedMesh(indexedMesh);
meshArray.AddIndexedMeshSurfaceData(globalGeometrySectionStructBlock);
}
Vector3 aabbMax;
Vector3 aabbMin;
meshArray.CalculateAabbBruteForce(out aabbMin, out aabbMax);
var bvhTriangleMeshShape = new BvhTriangleMeshShape(meshArray, true, aabbMin, aabbMax, true);
bvhTriangleMeshShape.BuildOptimizedBvh( );
var collisionObject = new CollisionObject
{
CollisionShape = bvhTriangleMeshShape
};
World.AddCollisionObject(collisionObject, CollisionFilterGroups.StaticFilter,
CollisionFilterGroups.DefaultFilter);
}
foreach (var structureBspInstancedGeometryInstancesBlock in structureBSP.InstancedGeometryInstances)
{
var instanceMeshArray = new InfoTriangleIndexVertexArray();
var structureBspInstancedGeometryDefinitionBlock = structureBSP.InstancedGeometriesDefinitions[structureBspInstancedGeometryInstancesBlock.InstanceDefinition];
if (structureBspInstancedGeometryDefinitionBlock.RenderInfo.RenderData.Length < 1)
{
continue;
}
var globalGeometrySectionStructBlock = structureBspInstancedGeometryDefinitionBlock.RenderInfo.RenderData[0].Section;
if (!IsCollisionMesh(globalGeometrySectionStructBlock))
{
continue;
}
var indexedMesh = GenerateBvhCollisionObjectFromMesh(globalGeometrySectionStructBlock, structureBspInstancedGeometryInstancesBlock.WorldMatrix);
instanceMeshArray.AddIndexedMesh(indexedMesh);
instanceMeshArray.AddIndexedMeshSurfaceData(globalGeometrySectionStructBlock);
Vector3 aabbMin;
Vector3 aabbMax;
instanceMeshArray.CalculateAabbBruteForce(out aabbMin, out aabbMax);
var bvhTriangleMeshShape = new BvhTriangleMeshShape(instanceMeshArray, true, aabbMin, aabbMax, true);
bvhTriangleMeshShape.BuildOptimizedBvh();
var collisionObject = new CollisionObject
{
CollisionShape = bvhTriangleMeshShape,
UserObject = "Instance"
};
World.AddCollisionObject(collisionObject, CollisionFilterGroups.StaticFilter, CollisionFilterGroups.DefaultFilter);
}
World.UpdateAabbs();
}
