public static void ExtractModelMeshPartData(ModelMesh mm, ModelMeshPart mmp, ref Matrix xform,
List<Vector3> vertices, List<TriangleVertexIndices> indices, string name)
{
int offset = vertices.Count;
Vector3[] a = new Vector3[mmp.NumVertices];
mm.VertexBuffer.GetData<Vector3>(mmp.StreamOffset + mmp.BaseVertex * mmp.VertexStride,
a, 0, mmp.NumVertices, mmp.VertexStride);
for (int i = 0; i != a.Length; ++i)
Vector3.Transform(ref a[i], ref xform, out a[i]);
vertices.AddRange(a);
if (mm.IndexBuffer.IndexElementSize != IndexElementSize.SixteenBits)
throw new Exception(
String.Format("Model {0} uses 32-bit indices, which are not supported.",
name));
short[] s = new short[mmp.PrimitiveCount * 3];
mm.IndexBuffer.GetData<short>(mmp.StartIndex * 2, s, 0, mmp.PrimitiveCount * 3);
TriangleVertexIndices[] tvi = new TriangleVertexIndices[mmp.PrimitiveCount];
for (int i = 0; i != tvi.Length; ++i)
{
tvi[i].I0 = s[i * 3 + 0] + offset;
tvi[i].I1 = s[i * 3 + 1] + offset;
tvi[i].I2 = s[i * 3 + 2] + offset;
}
indices.AddRange(tvi);
}
public PartMaterial(ModelMeshPart part)
{
MeshPart = part;
DefaultEffect = part.Effect;
DefaultParameters = EffectParameterListSave.FromEffect(part.Effect);
SetDefaults();
}
private void EnableEffect(ModelMeshPart meshPart)
{
var effect = (BasicEffect)meshPart.Effect;
effect.World = LocalWorld;
effect.View = View;
effect.Projection = Projection;
effect.EnableDefaultLighting();
}
public static void DrawMeshPart( ModelMesh mesh, ModelMeshPart part, Effect effect ) {
GraphicsDevice device = Puzzle3D.Instance.GraphicsDevice;
foreach( EffectPass pass in effect.CurrentTechnique.Passes ) {
pass.Begin();
device.VertexDeclaration = part.VertexDeclaration;
device.Vertices[ 0 ].SetSource( mesh.VertexBuffer, part.StreamOffset, part.VertexStride );
device.Indices = mesh.IndexBuffer;
device.DrawIndexedPrimitives( PrimitiveType.TriangleList, part.BaseVertex, 0, part.NumVertices, part.StartIndex, part.PrimitiveCount );
pass.End();
}
}
public static Vector3[] GetVertexElement(ModelMeshPart meshPart, VertexElementUsage usage)
{
VertexDeclaration vd = meshPart.VertexBuffer.VertexDeclaration;
VertexElement[] elements = vd.GetVertexElements();
Func<VertexElement, bool> elementPredicate = ve => ve.VertexElementUsage == usage && ve.VertexElementFormat == VertexElementFormat.Vector3;
if (!elements.Any(elementPredicate))
return null;
VertexElement element = elements.First(elementPredicate);
Vector3[] vertexData = new Vector3[meshPart.NumVertices];
meshPart.VertexBuffer.GetData((meshPart.VertexOffset * vd.VertexStride) + element.Offset,
vertexData, 0, vertexData.Length, vd.VertexStride);
return vertexData;
}
internal ModelMesh(string name, ModelBone parentBone, BoundingSphere boundingSphere, VertexBuffer vertexBuffer, IndexBuffer indexBuffer, ModelMeshPart[] meshParts, object tag)
{
this.boundingSphere = new BoundingSphere();
this.effects = new ModelEffectCollection();
this.name = name;
this.parentBone = parentBone;
this.boundingSphere = boundingSphere;
this.vertexBuffer = vertexBuffer;
this.indexBuffer = indexBuffer;
this.meshParts = new ModelMeshPartCollection(meshParts);
this.tag = tag;
int length = meshParts.Length;
for (int i = 0; i < length; i++)
{
ModelMeshPart part = meshParts[i];
part.parent = this;
}
}
private static NormalBuffers GetNormalBuffers(ModelMesh mesh, ModelMeshPart meshPart, GraphicsDevice graphicsDevice, float normalLengthPercentage)
{
if (meshPart.VertexBuffer == null)
return null;
Vector3[] positions = VertexElementExtractor.GetVertexElement(meshPart, VertexElementUsage.Position);
if (positions == null)
return null;
Vector3[] normals = VertexElementExtractor.GetVertexElement(meshPart, VertexElementUsage.Normal);
if (normals == null)
return null;
NormalBuffers normalBuffers = new NormalBuffers();
normalBuffers.PrimitiveCount = normals.Length;
normalBuffers.VertexCount = normals.Length * 2;
float size = mesh.BoundingSphere.Radius * normalLengthPercentage;
VertexBuffer vertexBuffer = new VertexBuffer(graphicsDevice,
typeof (VertexPositionColor), normalBuffers.VertexCount,
BufferUsage.WriteOnly);
VertexPositionColor[] vertices = new VertexPositionColor[normalBuffers.VertexCount];
int counter = 0;
for (int i = 0; i < normals.Length; ++i)
{
Vector3 normalColorTemp = Vector3.Normalize(normals[i]);
normalColorTemp += Vector3.One;
normalColorTemp *= 0.5f;
Color normalColor = new Color(normalColorTemp);
vertices[counter++] = new VertexPositionColor(positions[i], normalColor);
vertices[counter++] = new VertexPositionColor(positions[i] + (normals[i] * size), normalColor);
}
vertexBuffer.SetData(vertices);
normalBuffers.Vertices = vertexBuffer;
IndexBuffer indexBuffer = new IndexBuffer(graphicsDevice, IndexElementSize.SixteenBits, normalBuffers.VertexCount,
BufferUsage.WriteOnly);
indexBuffer.SetData(Enumerable.Range(0, normalBuffers.VertexCount).Select(i => (short) i).ToArray());
normalBuffers.Indices = indexBuffer;
return normalBuffers;
}
private void CreateMeshPart(MODELMESHPART dstPart, MeshPrimitive srcPart, MeshNormalsFallback normalsFunc, int maxBones)
{
var doubleSided = srcPart.Material?.DoubleSided ?? false;
var srcGeometry = new MeshPrimitiveReader(srcPart, doubleSided, normalsFunc);
var eff = srcGeometry.IsSkinned ? _MatFactory.UseSkinnedEffect(srcPart.Material) : _MatFactory.UseRigidEffect(srcPart.Material);
dstPart.Effect = eff;
var vb = srcGeometry.IsSkinned ? CreateVertexBuffer(srcGeometry.ToXnaSkinned()) : CreateVertexBuffer(srcGeometry.ToXnaRigid());
dstPart.VertexBuffer = vb;
dstPart.NumVertices = srcGeometry.VertexCount;
dstPart.VertexOffset = 0;
dstPart.IndexBuffer = CreateIndexBuffer(srcGeometry.TriangleIndices);
dstPart.PrimitiveCount = srcGeometry.TriangleIndices.Length;
dstPart.StartIndex = 0;
}
public IndexArrayShort(ModelMeshPart part)
: base(part)
{
Indices = new short[part.PrimitiveCount * 3];
part.IndexBuffer.GetData<short>(part.StartIndex * sizeof(short), Indices, 0, part.PrimitiveCount * 3);
}
private static void DrawMeshPart(ModelMeshPart meshPart)
{
if (meshPart.NumVertices > 0)
{
GraphicsDevice graphicsDevice = meshPart.VertexBuffer.GraphicsDevice;
graphicsDevice.SetVertexBuffer(meshPart.VertexBuffer, meshPart.VertexOffset);
graphicsDevice.Indices = meshPart.IndexBuffer;
graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
}
}
public IndexArray(ModelMeshPart part)
{
}
public virtual void PrepareShadows(ref Matrix renderMatrix)
{
if (!(shader is IShadowShader))
return;
foreach (ModelMesh modelMesh in this.mesh)
{
Matrix.Multiply(ref transforms[modelMesh.ParentBone.Index], ref renderMatrix, out tmpMat1);
if (animationTransforms.Count > 0 && animationTransforms.ContainsKey(modelMesh.Name))
tmpMat1 = animationTransforms[modelMesh.Name] * tmpMat1;
foreach (ModelMeshPart part in modelMesh.MeshParts)
{
curPart = part;
((IShadowShader)shader).ShadowMap.ComputeShadow(
ref tmpMat1,
SubmitGeometry);
}
}
}
private static BoundingBox? GetBoundingBox(ModelMeshPart meshPart)
{
if (meshPart.VertexBuffer == null)
return null;
Vector3[] positions = VertexElementExtractor.GetVertexElement(meshPart, VertexElementUsage.Position);
if (positions == null)
return null;
return BoundingBox.CreateFromPoints(positions);
}
private static OutlineItem CreateOutlineItem(ModelMeshPart meshPart)
{
var item = new OutlineItem
{
Text = "ModelMeshPart",
Icon = MultiColorGlyphs.Mesh,
UserData = meshPart,
};
return item;
}
public override Material CreateFromMeshPart(ModelMeshPart MeshPart)
{
base.CreateFromMeshPart(MeshPart);
this.texture = GetTextureFromEffect(MeshPart.Effect);
return this;
}
private bool PartIsTranslucent(ModelMeshPart modelMeshPart)
{
bool result = false;
if(modelMeshPart.Effect is BasicEffect){
if((double)((BasicEffect)modelMeshPart.Effect).Alpha < 1.0)
result = true;
}
return result;
}
/// <summary>
/// Do the actual replication of the indices, for each ModelMeshPart
/// </summary>
/// <param name="part"></param>
/// <param name="indices"></param>
/// <param name="oldIndices"></param>
private void ReplicateIndexData(ModelMeshPart part, List<ushort> indices, ushort [] oldIndices)
{
// Replicate one copy of the original index buffer for each instance.
for (int instanceIndex = 0; instanceIndex < maxInstances; instanceIndex++)
{
int instanceOffset = instanceIndex * vertexCount;
// Basically, keep adding the indices. We have to replicate this ModelMeshPart index for each instance we can have
// Note that each time we are incrementing by instanceOffset. This is so in the vertex shader, when we divide
// by the vertex count, we know exactly which index we are at.
for (int i = part.StartIndex; i < part.PrimitiveCount * 3; i++)
{
indices.Add((ushort)(oldIndices[i] + instanceOffset));
}
}
}
/// <summary>
/// Get all the triangles from each mesh part (Changed for XNA 4)
/// </summary>
public static void ExtractModelMeshPartData(ModelMeshPart meshPart, ref Matrix transform,
List<Vector3> vertices, List<TriangleVertexIndices> indices)
{
// Before we add any more where are we starting from
int offset = vertices.Count;
// == Vertices (Changed for XNA 4.0)
// Read the format of the vertex buffer
VertexDeclaration declaration = meshPart.VertexBuffer.VertexDeclaration;
VertexElement[] vertexElements = declaration.GetVertexElements();
// Find the element that holds the position
VertexElement vertexPosition = new VertexElement();
foreach (VertexElement vert in vertexElements)
{
if (vert.VertexElementUsage == VertexElementUsage.Position &&
vert.VertexElementFormat == VertexElementFormat.Vector3)
{
vertexPosition = vert;
// There should only be one
break;
}
}
// Check the position element found is valid
if (vertexPosition == null ||
vertexPosition.VertexElementUsage != VertexElementUsage.Position ||
vertexPosition.VertexElementFormat != VertexElementFormat.Vector3)
{
throw new Exception("Model uses unsupported vertex format!");
}
// This where we store the vertices until transformed
Vector3[] allVertex = new Vector3[meshPart.NumVertices];
// Read the vertices from the buffer in to the array
meshPart.VertexBuffer.GetData<Vector3>(
meshPart.VertexOffset * declaration.VertexStride + vertexPosition.Offset,
allVertex,
0,
meshPart.NumVertices,
declaration.VertexStride);
// Transform them based on the relative bone location and the world if provided
for (int i = 0; i != allVertex.Length; ++i)
{
Vector3.Transform(ref allVertex[i], ref transform, out allVertex[i]);
}
// Store the transformed vertices with those from all the other meshes in this model
vertices.AddRange(allVertex);
// == Indices (Changed for XNA 4)
// Find out which vertices make up which triangles
if (meshPart.IndexBuffer.IndexElementSize != IndexElementSize.SixteenBits)
{
// This could probably be handled by using int in place of short but is unnecessary
throw new Exception("Model uses 32-bit indices, which are not supported.");
}
// Each primitive is a triangle
short[] indexElements = new short[meshPart.PrimitiveCount * 3];
// It looks like the same index buffer is referenced from each meshPart.
meshPart.IndexBuffer.GetData<short>(
meshPart.StartIndex * 2,
indexElements,
0,
meshPart.PrimitiveCount * 3);
// Each TriangleVertexIndices holds the three indexes to each vertex that makes up a triangle
TriangleVertexIndices[] tvi = new TriangleVertexIndices[meshPart.PrimitiveCount];
for (int i = 0; i != tvi.Length; ++i)
{
// The offset is because we are storing them all in the one array and the
// vertices were added to the end of the array.
tvi[i].A = indexElements[i * 3 + 0] + offset;
tvi[i].B = indexElements[i * 3 + 1] + offset;
tvi[i].C = indexElements[i * 3 + 2] + offset;
}
// Store our triangles
indices.AddRange(tvi);
}
private void DrawMeshPart(AccessMesh am, ModelMeshPart modelMeshPart,Matrix view, Matrix projection)
{
if(modelMeshPart.Effect is IEffectMatrices) {
IEffectMatrices effectMatrices = modelMeshPart.Effect as IEffectMatrices;
effectMatrices.Projection = projection;
effectMatrices.View = view;
effectMatrices.World = _meshTransform[am.MeshId]
* (_model.Meshes)[am.MeshId].ParentBone.Transform
* Matrix.CreateTranslation(_position);
}
_device.SetVertexBuffer(modelMeshPart.VertexBuffer);
_device.Indices = modelMeshPart.IndexBuffer;
foreach(EffectPass effectPass in modelMeshPart.Effect.CurrentTechnique.Passes) {
effectPass.Apply();
_device.DrawIndexedPrimitives(PrimitiveType.TriangleList, modelMeshPart.VertexOffset,
modelMeshPart.StartIndex, modelMeshPart.NumVertices, modelMeshPart.StartIndex, modelMeshPart.PrimitiveCount);
}
}
// Sets up material from values embedded in a MeshPart
public virtual Material CreateFromMeshPart(ModelMeshPart MeshPart)
{
this.effect = MeshPart.Effect;
return this;
}
/// <summary>
/// Each model part will have several datastrutures associated with it so we need an array of objects to store them all
/// </summary>
/// <param name="part">Model mesh part under consideration</param>
private static void ConstructCollisionDetectionInfoStore(ModelMeshPart part)
{
part.Tag = new object[2];
}
public static bool m0001a8(ModelMeshPart p0)
{
foreach (VertexElement element in p0.VertexDeclaration.GetVertexElements())
{
if ((element.VertexElementUsage == VertexElementUsage.BlendIndices) && (element.UsageIndex == 0))
{
return true;
}
}
return false;
}
public VertexArray(ModelMeshPart part)
{
Vertices = new Vector3[part.NumVertices];
part.VertexBuffer.GetData<Vector3>(part.VertexOffset * part.VertexBuffer.VertexDeclaration.VertexStride,
Vertices, 0, part.NumVertices, part.VertexBuffer.VertexDeclaration.VertexStride);
}
private static BoundingBox? GetBoundingBox(ModelMeshPart meshPart, Matrix transform)
{
if (meshPart.VertexBuffer == null)
return null;
Vector3[] positions = GetVertexElement(meshPart, VertexElementUsage.Position);
if (positions == null)
return null;
Vector3[] transformedPositions = new Vector3[positions.Length];
Vector3.Transform(positions, ref transform, transformedPositions);
return BoundingBox.CreateFromPoints(transformedPositions);
}
/// <summary>
/// Attaches this <see cref="ModelMesh"/> to a parent <see cref="model"/>.
/// </summary>
internal void Attach(Model model, Microsoft.Xna.Framework.Graphics.ModelMesh mesh, Microsoft.Xna.Framework.Graphics.ModelMeshPart part)
{
if (model == null || mesh == null || part == null)
{
throw new ArgumentNullException();
}
this.model = model;
this.name = mesh.Name;
var tag = part.Tag as ModelMeshPartTag;
if (tag != null && tag.Textures != null && tag.Textures.Count > 0)
{
this.textures = tag.Textures;
}
this.diffuseTexture = part.Effect.GetTexture();
this.parentBoneIndex = mesh.ParentBone.Index;
this.vertexBuffer = part.VertexBuffer;
this.indexBuffer = part.IndexBuffer;
this.vertexOffset = part.VertexOffset;
this.numVertices = part.NumVertices;
this.primitiveCount = part.PrimitiveCount;
this.startIndex = part.StartIndex;
}
// Set the required values in the shader.
private void SetupEffect(Matrix[] transforms, ModelMesh mesh,
ModelMeshPart part)
{
Effect effect = part.Effect;
effect.Parameters["TranslationAmount"].SetValue(translationRate * time);
effect.Parameters["RotationAmount"].SetValue(rotationRate * time);
effect.Parameters["time"].SetValue(time);
effect.Parameters["WorldViewProjection"].SetValue(
transforms[mesh.ParentBone.Index] * view * projection);
effect.Parameters["World"].SetValue(transforms[mesh.ParentBone.Index]);
effect.Parameters["eyePosition"].SetValue(cameraPosition);
effect.Parameters["lightPosition"].SetValue(lightPosition);
effect.Parameters["ambientColor"].SetValue(ambientColor);
effect.Parameters["diffuseColor"].SetValue(diffuseColor);
effect.Parameters["specularColor"].SetValue(specularColor);
effect.Parameters["specularPower"].SetValue(specularPower);
}
/// <summary>
/// Renders the model itself as well as the minimum bounding box if showBoundingBox
/// is true. By default, SimpleEffectShader is used to render the model.
/// </summary>
/// <remarks>
/// This function is called automatically to render the model, so do not call this method
/// </remarks>
/// <param name="material">Material properties of this model</param>
/// <param name="renderMatrix">Transform of this model</param>
public virtual void Render(ref Matrix renderMatrix, Material material)
{
if (!UseInternalMaterials)
{
material.InternalEffect = null;
if ((shader.CurrentMaterial != material) || material.HasChanged)
{
shader.SetParameters(material);
foreach (IShader afterEffect in afterEffectShaders)
afterEffect.SetParameters(material);
material.HasChanged = false;
}
}
BlendState origState = null;
if (ContainsTransparency)
{
origState = State.Device.BlendState;
State.AlphaBlendingEnabled = true;
}
// Render the actual model
foreach (ModelMesh modelMesh in this.mesh)
{
Matrix.Multiply(ref transforms[modelMesh.ParentBone.Index], ref renderMatrix, out tmpMat1);
if (animationTransforms.Count > 0 && animationTransforms.ContainsKey(modelMesh.Name))
tmpMat1 = animationTransforms[modelMesh.Name] * tmpMat1;
foreach (ModelMeshPart part in modelMesh.MeshParts)
{
if (UseInternalMaterials)
{
material.InternalEffect = part.Effect;
shader.SetParameters(material);
}
String techniqueName = technique;
if (String.IsNullOrEmpty(techniqueName))
techniqueName = part.Effect.CurrentTechnique.Name;
curPart = part;
shader.Render(
ref tmpMat1,
techniqueName,
SubmitGeometry);
foreach (IShader afterEffect in afterEffectShaders)
{
if (UseInternalMaterials)
afterEffect.SetParameters(material);
afterEffect.Render(
ref tmpMat1,
"",
ResubmitGeometry);
}
}
}
shader.RenderEnd();
foreach (IShader afterEffect in afterEffectShaders)
afterEffect.RenderEnd();
if (ContainsTransparency)
State.Device.BlendState = origState;
if (showBoundingBox)
RenderBoundingBox(ref renderMatrix);
}
private static Int32[] LoadIndexBuffer(ModelMeshPart thisPart)
{
int numIndices = thisPart.IndexBuffer.IndexCount;
Int32[] localIndexBuffer = new Int32[numIndices];
if (thisPart.IndexBuffer.IndexElementSize == IndexElementSize.SixteenBits)
{
Int16[] tmpI = new Int16[numIndices];
thisPart.IndexBuffer.GetData<Int16>(tmpI);
for (int i = 0; i < numIndices; i++)
localIndexBuffer[i] = (Int32)tmpI[i];
}
else
{
thisPart.IndexBuffer.GetData<Int32>(localIndexBuffer);
}
return localIndexBuffer;
}
/// <summary>
/// DrawPart draws the actual ModelMeshPart
/// </summary>
/// <param name="transforms"></param>
/// <param name="animations"></param>
/// <param name="effect"></param>
/// <param name="part"></param>
private void DrawPart(Matrix [] transforms, int [] animations, Effect effect, ModelMeshPart part)
{
for (int i = 0; i < transforms.Length; i += maxInstances)
{
// How many instances can we fit into this batch?
int instanceCount = transforms.Length- i;
if (instanceCount > maxInstances)
instanceCount = maxInstances;
// Copy transform and animation data
Array.Copy(transforms, i, tempTransforms, 0, instanceCount);
Array.Copy(animations, i, tempAnimations, 0, instanceCount);
// Send the transform and animation data to the shader
effect.Parameters["InstanceTransforms"].SetValue(tempTransforms);
effect.Parameters["InstanceAnimations"].SetValue(tempAnimations);
effect.CommitChanges();
// Draw maxInstances copies of our geometry in a single batch.
this.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList,
part.BaseVertex, 0, part.NumVertices * instanceCount,
part.StartIndex, part.PrimitiveCount * instanceCount);
}
}
private void drawTexturedInstancedPrimitives(Matrix[] instancesArray, Effect effect, ModelMeshPart meshPart)
{
if (instancesArray.Length != 0)
{
instanceVertexBuffer.SetData(instancesArray, 0, instancesArray.Length, SetDataOptions.Discard);
// Draw all the GRASS instance copies in a single call.
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0,
meshPart.NumVertices, meshPart.StartIndex,
meshPart.PrimitiveCount, Math.Min(1048574, instancesArray.Length)); //TODO: should have warning or something when too big
}
}
}
/// <summary>
/// Add model mesh part with the used effect to our sortedMeshes list.
/// Neither the model mesh part nor the effect is directly used,
/// we will extract all data from the model and only render the
/// index and vertex buffers later.
/// The model mesh part must use the TangentVertex format.
/// </summary>
/// <param name="vertexBuffer">Vertex buffer</param>
/// <param name="indexBuffer">Index buffer</param>
/// <param name="part">Part</param>
/// <param name="effect">Effect</param>
/// <returns>Renderable mesh</returns>
public RenderableMesh Add(VertexBuffer vertexBuffer,
IndexBuffer indexBuffer, ModelMeshPart part, Effect effect)
{
string techniqueName = effect.CurrentTechnique.Name;
// Does this technique already exists?
MeshesPerMaterialPerTechniques foundList = null;
//obs: foreach (MeshesPerMaterialPerTechniques list in sortedMeshes)
for (int listNum = 0; listNum < sortedMeshes.Count; listNum++)
{
MeshesPerMaterialPerTechniques list = sortedMeshes[listNum];
if (list.technique != null &&
list.technique.Name == techniqueName)
{
foundList = list;
break;
} // if (list.technique.Name)
} // for (listNum)
// Did not found list? Create new one
if (foundList == null)
{
EffectTechnique technique =
BaseGame.ParallaxShader.GetTechnique(techniqueName);
// Make sure we always have a valid technique
if (technique == null)
{
if (BaseGame.CanUsePS20)
techniqueName = "Diffuse20";//"Specular20";
else
techniqueName = "Diffuse";//"Specular";
technique = BaseGame.ParallaxShader.GetTechnique(techniqueName);
} // if
foundList = new MeshesPerMaterialPerTechniques(technique);
sortedMeshes.Add(foundList);
} // if (foundList)
// Create new material from the current effect parameters.
// This will create duplicate materials if the same material is used
// multiple times, we check this later.
Material material = new Material(effect);
// Search for material inside foundList.
//obs: foreach (MeshesPerMaterial innerList in foundList.meshesPerMaterials)
for (int innerListNum = 0; innerListNum <
foundList.meshesPerMaterials.Count; innerListNum++)
{
MeshesPerMaterial innerList =
foundList.meshesPerMaterials[innerListNum];
// Check if this is the same material and we can use it instead.
// For our purposes it is sufficiant if we check textures and colors.
if (innerList.material.diffuseTexture == material.diffuseTexture &&
innerList.material.normalTexture == material.normalTexture &&
innerList.material.ambientColor == material.ambientColor &&
innerList.material.diffuseColor == material.diffuseColor &&
innerList.material.specularColor == material.specularColor &&
innerList.material.specularPower == material.specularPower)
{
// Reuse this material and quit this search
material = innerList.material;
break;
} // if (innerList.material.diffuseTexture)
} // foreach (innerList)
// Build new RenderableMesh object
RenderableMesh mesh = new RenderableMesh(
vertexBuffer, indexBuffer, material, foundList.technique,
part.VertexDeclaration,
part.StreamOffset, part.VertexStride, part.BaseVertex,
part.NumVertices, part.StartIndex, part.PrimitiveCount);
foundList.Add(mesh);
return mesh;
}
public ModelExtractor(ModelMeshPart mmp, Vector3[] vecArray, VertexPositionTexture[] vpcVertexArray)
{
this.model = mmp;
this.vectorArray = vecArray;
this.vpcVerts = vpcVertexArray;
}
