private void parseParameterMap(XmlNode node, Material m)
{
foreach (XmlNode parameter in node.ChildNodes)
{
if (parameter.Name == "Parameter")
{
Material.ParameterMapping mapping = new Material.ParameterMapping();
foreach (XmlAttribute attrib in parameter.Attributes)
{
if (attrib.Name == "Name")
{
mapping.name = attrib.Value;
}
else if (attrib.Name == "Value")
{
mapping.value = attrib.Value;
}
else if (attrib.Name == "perInstance")
{
mapping.perInstance = bool.Parse(attrib.Value);
}
else if (attrib.Name == "Semantic")
{
Enum.TryParse(attrib.Value, out mapping.semantic);
}
}
if (mapping.name.Length > 0)
{
m.ParameterMappings.Add(mapping);
}
}
}
}
private void parseTextures(XmlNode node, Material m)
{
m.TextureNames[0] = m.TextureNames[1] = m.TextureNames[2] = m.TextureNames[3] = "";
foreach (XmlNode textureNode in node.ChildNodes)
{
if (textureNode.Name == "Texture")
{
int textureUnit = 0;
String texName = "";
foreach (XmlAttribute attrib in textureNode.Attributes)
{
if (attrib.Name == "TextureUnit")
{
textureUnit = Int32.Parse(attrib.Value);
}
if (attrib.Name == "Texture")
{
texName = attrib.Value;
}
}
if (textureUnit >= 0 && textureUnit < 4)
{
m.TextureNames[textureUnit] = texName;
}
}
}
}
private void parseEffect(XmlNode node, Material m)
{
foreach (XmlNode effectNode in node.ChildNodes)
{
if (effectNode.Name == "EffectName")
{
m.EffectName = effectNode.InnerText;
}
else if (effectNode.Name == "Technique")
{
m.Technique = effectNode.InnerText;
}
}
}
/// <summary>
/// Set a shader parameter to some data provided by CBero
/// </summary>
/// <param name="effectParameter">the shader parameter</param>
/// <param name="semantic">the type of data requested</param>
public void setBuiltInShaderParameter(EffectParameter effectParameter, Material.ShaderParameterSemantic semantic)
{
if (effectParameter == null)
return;
switch (semantic)
{
case Material.ShaderParameterSemantic.MODEL_MATRIX:
{
effectParameter.SetValue(RenderState.m_currentWorld.Peek());
break;
}
case Material.ShaderParameterSemantic.MODEL_INV_MATRIX:
{
Matrix inv = Matrix.Invert(RenderState.m_currentWorld.Peek());
effectParameter.SetValue(inv);
break;
}
case Material.ShaderParameterSemantic.MODEL_INV_TRANS_MATRIX:
{
Matrix invTrans = Matrix.Transpose(Matrix.Invert(RenderState.m_currentWorld.Peek()));
effectParameter.SetValue(invTrans);
break;
}
case Material.ShaderParameterSemantic.MODEL_TRANS_MATRIX:
{
Matrix trans = Matrix.Transpose(RenderState.m_currentWorld.Peek());
effectParameter.SetValue(trans);
break;
}
case Material.ShaderParameterSemantic.VIEW_MATRIX:
{
effectParameter.SetValue(RenderState.m_currentView.Peek());
break;
}
case Material.ShaderParameterSemantic.VIEW_INV_MATRIX:
{
Matrix inv = Matrix.Invert(RenderState.m_currentView.Peek());
effectParameter.SetValue(inv);
break;
}
case Material.ShaderParameterSemantic.VIEW_TRANS_MATRIX:
{
Matrix trans = Matrix.Transpose(RenderState.m_currentView.Peek());
effectParameter.SetValue(trans);
break;
}
case Material.ShaderParameterSemantic.VIEW_INV_TRANS_MATRIX:
{
Matrix invTrans = Matrix.Transpose(Matrix.Invert(RenderState.m_currentView.Peek()));
effectParameter.SetValue(invTrans);
break;
}
case Material.ShaderParameterSemantic.PROJECTION_MATRIX:
{
effectParameter.SetValue(RenderState.m_currentProj.Peek());
break;
}
case Material.ShaderParameterSemantic.VIEW_PROJECTION_MATRIX:
{
Matrix viewProj = Matrix.Multiply(RenderState.m_currentView.Peek(), RenderState.m_currentProj.Peek());
effectParameter.SetValue(viewProj);
break;
}
case Material.ShaderParameterSemantic.MODEL_VIEW_PROJECTION_MATRIX:
{
Matrix mvp = Matrix.Multiply(Matrix.Multiply(RenderState.m_currentWorld.Peek(), RenderState.m_currentView.Peek()), RenderState.m_currentProj.Peek());
effectParameter.SetValue(mvp);
break;
}
case Material.ShaderParameterSemantic.BONE_TRANSFORMS:
{
Matrix[] bone;
IRenderable3D renderable = RenderState.m_currentRenderable.Peek();
if (renderable is SkinnedRenderable3D)
{
SkinnedRenderable3D skinned = renderable as SkinnedRenderable3D;
bone = skinned.GetSkinTransforms();
}
else
{
bone = new Matrix[1] { Matrix.Identity };
}
effectParameter.SetValue(bone);
break;
}
case Material.ShaderParameterSemantic.TEXTURE2D0:
{
effectParameter.SetValue(RenderState.m_currentTexture[0].Peek());
break;
}
case Material.ShaderParameterSemantic.TEXTURE2D1:
{
effectParameter.SetValue(RenderState.m_currentTexture[1].Peek());
break;
}
case Material.ShaderParameterSemantic.TEXTURE2D2:
{
effectParameter.SetValue(RenderState.m_currentTexture[2].Peek());
break;
}
case Material.ShaderParameterSemantic.TEXTURE2D3:
{
effectParameter.SetValue(RenderState.m_currentTexture[3].Peek());
break;
}
case Material.ShaderParameterSemantic.AMBIENTLIGHTING:
{
effectParameter.SetValue(RenderState.GetAmbientLighting().ToVector3());
break;
}
case Material.ShaderParameterSemantic.BACKGROUNDCOLOR:
{
effectParameter.SetValue(RenderState.GetClearColor().ToVector3());
break;
}
case Material.ShaderParameterSemantic.FOGCOLOR:
{
effectParameter.SetValue(RenderState.GetFogColor().ToVector3());
break;
}
// TODO implement USER_DEFINED_*
}
}
private void ApplyMaterial(Material material)
{
m_currentEffect.Peek().CurrentTechnique = m_currentEffect.Peek().Techniques[material.Technique];
m_currentEffectPass = m_currentEffect.Peek().CurrentTechnique.Passes.First();
// apply textures
for (int i = 0; i < RenderManager.MAX_TEXTURES; ++i)
{
setTexture(material.Textures[i], i);
}
// apply shader data
ApplyEffectParameterPerFrame();
}
public void PushMaterial(Material mat)
{
if (mat == null)
{
mat = RenderManager.BasicEffectMaterial;
}
m_currentMaterial.Push(mat);
m_currentEffect.Push(mat.Effect);
ApplyMaterial(mat);
}
public override void doInitialize()
{
// get material
m_material = new Material();
setTexture(m_materialName);
// add to rendermanager
RenderManager renderMan = Owner.Game.Services.GetService(typeof(RenderManager)) as RenderManager;
renderMan.addRenderable(this);
// get position
IPosition2D pos = Owner.getFirst(typeof(IPosition2D)) as IPosition2D;
if (pos != null)
{
m_position = pos.Position;
pos.Pos2DChanged += new XnaScrapCore.Core.Delegates.Position2DChangedEventHandler(PositionChanged);
}
// get orientation
IOrientation2D orientation = Owner.getFirst(typeof(IOrientation2D)) as IOrientation2D;
if (orientation != null)
{
m_orientation = orientation.Orientation;
orientation.Orientation2DChanged += new XnaScrapCore.Core.Delegates.OrientationChangedEventHandler(OrientationChanged);
}
// get dimension
IScale2D scale = Owner.getFirst(typeof(IScale2D)) as IScale2D;
if (scale != null)
{
m_scale = scale.Scale;
scale.Changed += new Scale2DChangedEventHandler(scale_Changed);
}
base.doInitialize();
}
private void process(String xml, Material m)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
XmlNode n = doc.FirstChild;
if (n.Name != "Material")
{
return;
}
foreach (XmlNode node in n.ChildNodes)
{
if (node.Name == "Textures")
{
parseTextures(node, m);
}
if (node.Name == "Effect")
{
parseEffect(node, m);
}
if (node.Name == "ParameterMap")
{
parseParameterMap(node, m);
}
}
}
public Material Compile(MaterialUncompiled input)
{
Material ret = new Material();
process(input.MaterialString,ret);
return ret;
}
public void process(String xml,Material.ParameterMapping mapping)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
XmlNode n = doc.FirstChild;
if (n.Name != "ParameterMapping")
{
return;
}
foreach (XmlNode node in n.ChildNodes)
{
if (node.Name == "Mapping")
{
foreach (XmlAttribute attrib in node.Attributes)
{
}
}
}
}
private void processMaterial(Material mat)
{
for (int i = 0; i < mat.TextureNames.Length; ++i)
{
if (!string.IsNullOrEmpty(mat.TextureNames[i]))
{
if (!m_textures.TryGetValue(mat.TextureNames[i], out mat.Textures[i]))
{
// try to load the texture now
loadTexture2D(mat.TextureNames[i]);
m_textures.TryGetValue(mat.TextureNames[i], out mat.Textures[i]);
}
}
else
{
break;
}
}
Effect effect;
if (m_effects.TryGetValue(mat.EffectName, out effect))
{
mat.Effect = effect;
mat.Effect.CurrentTechnique = mat.Effect.Techniques[mat.Technique];
}
}
private void processMapping(Material.ParameterMapping mapping)
{
}