/// <summary>
/// Sets the aspect of the global render state associated with the specified bit.
/// Consider using SetRenderStateByIndex if you have access to the index.</summary>
/// <param name="renderStateBit">Render state bit to set</param>
/// <param name="renderState">Current RenderState to commit to the graphics device driver layer</param>
public void SetRenderState(int renderStateBit, RenderState renderState)
{
RenderStateSetHandler handler = TryGetHandler(renderStateBit);
if (handler == null)
return;
handler(renderState, m_reset==false ? m_oldRenderState : null);
}
/// <summary>
/// Creates the render state object for this material, including finding and loading the
/// diffuse texture, if any</summary>
/// <returns>The render state representing this material</returns>
public virtual RenderState CreateRenderState()
{
RenderState rs = new RenderState();
rs.SolidColor = new Vec4F(1, 1, 1, 1);
rs.WireframeColor = new Vec4F(1, 1, 1, 1);
rs.RenderMode = RenderMode.Smooth | RenderMode.Lit | RenderMode.SolidColor | RenderMode.WireframeColor;
rs.InheritState = ~(RenderMode.Alpha | RenderMode.DisableZBuffer | RenderMode.SolidColor);
ParseBindingsForTexture(rs);
return rs;
}
/// <summary>
/// Initializes this object from the given RenderState</summary>
/// <param name="other">RenderState to copy</param>
public void Init(RenderState other)
{
m_overrideChildState = other.m_overrideChildState;
m_renderMode = other.m_renderMode;
m_inheritState = other.m_inheritState;
m_wireframeColor = other.m_wireframeColor;
m_diffuseColor = other.m_diffuseColor;
m_emissionColor = other.m_emissionColor;
m_ambientColor = other.m_ambientColor;
m_specularColor = other.m_specularColor;
m_shininess = other.m_shininess;
m_textureName = other.m_textureName;
m_lineThickness = other.m_lineThickness;
}
/// <summary>
/// Creates RenderState for an object</summary>
/// <returns>RenderState for object</returns>
public RenderState CreateRenderState()
{
var rs = new RenderState
{
InheritState = ~(RenderMode.Alpha | RenderMode.DisableZBuffer | RenderMode.SolidColor),
RenderMode = RenderMode.Smooth | RenderMode.Lit | RenderMode.SolidColor | RenderMode.WireframeColor,
SolidColor = new Vec4F(1, 1, 1, 1),
WireframeColor = new Vec4F(1, 1, 1, 1),
AmbientColor = GetAttribute<Vec4F>(Schema.shaderType.ambientAttribute),
DiffuseColor = GetAttribute<Vec4F>(Schema.shaderType.diffuseAttribute),
Shininess = GetAttribute<float>(Schema.shaderType.shininessAttribute),
SpecularColor = GetAttribute<Vec4F>(Schema.shaderType.specularAttribute)
};
ParseAttributesForTexture(rs);
return rs;
}
private void ParseAttributesForTexture(RenderState rs)
{
string texturePath = Uri.UnescapeDataString(GetAttribute<string>(Schema.shaderType.textureAttribute));
if (texturePath.Equals(""))
return;
int texName = Global<TextureManager>.Instance.GetTextureName(texturePath);
if (texName != -1)
{
rs.RenderMode |= RenderMode.Textured;
rs.TextureName = texName;
TextureInfo info = Global<TextureManager>.Instance.GetTextureInfo(texName);
if (info.Components == 4)
rs.RenderMode |= RenderMode.Alpha;
}
return;
}
private void ParseCustomAttributesForLightingInfo(RenderState rs)
{
IEnumerable attributes = CustomAttributes;
if (attributes != null)
{
float[] alpha = null;
foreach (DomNode attribute in attributes)
{
string name = attribute.GetAttribute(Schema.customDataAttributeType.nameAttribute) as string;
if (name == "color")
{
float[] diffuse = new float[3];
PopulateCustomAttributeValueArray(
attribute.GetAttribute(Schema.customDataAttributeType.valueAttribute) as string, diffuse);
rs.SolidColor = new Vec4F(diffuse[0], diffuse[1], diffuse[2], 1.0f);
}
else if (name == "specularColor")
{
float[] specular = new float[3];
PopulateCustomAttributeValueArray(
attribute.GetAttribute(Schema.customDataAttributeType.valueAttribute) as string, specular);
}
else if (name == "transparency")
{
alpha = new float[3];
PopulateCustomAttributeValueArray(
attribute.GetAttribute(Schema.customDataAttributeType.valueAttribute) as string, alpha);
}
}
if (alpha != null)
{
Vec4F color = new Vec4F(rs.SolidColor);
color[3] = alpha[0];
rs.SolidColor = color;
rs.RenderMode |= RenderMode.Alpha;
}
}
}
/// <summary>
/// Sets this RenderState to a combination of itself and the specified parent.
/// The InheritState property of this RenderState and the OverrideChildState property of the parent
/// are considered.</summary>
/// <param name="parent">Parent RenderState to compose from</param>
public virtual void ComposeFrom(RenderState parent)
{
RenderMode bitsFromChild =
((~parent.OverrideChildState & ~InheritState) | OverrideChildState) & RenderMode;
RenderMode overrideFromParent = parent.OverrideChildState & ~OverrideChildState;
RenderMode bitsFromParent = (overrideFromParent | InheritState) & parent.RenderMode;
RenderMode = bitsFromChild | bitsFromParent;
bool inheritSolidColor = ((overrideFromParent & RenderMode.SolidColor) != 0) ||
((InheritState & RenderMode.SolidColor) != 0);
bool inheritWireColor = ((overrideFromParent & RenderMode.WireframeColor) != 0) ||
((InheritState & RenderMode.WireframeColor) != 0);
bool inheritWireThickness = ((overrideFromParent & RenderMode.WireframeThickness) != 0) ||
((InheritState & RenderMode.WireframeThickness) != 0);
bool parentIsTextured = ((parent.RenderMode & RenderMode.Textured) != 0);
if (inheritSolidColor)
SolidColor = parent.SolidColor;
if (inheritSolidColor)
SpecularColor = parent.SpecularColor;
if (inheritWireColor)
WireframeColor = parent.WireframeColor;
if (inheritWireThickness)
LineThickness = parent.LineThickness;
if (parentIsTextured && (m_textureName == 0))
m_textureName = parent.TextureName;
}
/// <summary>
/// Applies the provided RenderState to the graphics driver.
/// At exit, the state of the graphics device matches the parameters of the provided RenderState.</summary>
/// <param name="renderState">The RenderState to set the graphics device state to</param>
public void Commit(RenderState renderState)
{
renderState.CommitAllBitsToGuardian(this);
m_oldRenderState.Init(renderState);
m_reset = false;
}
/// <summary>
/// Sets the aspect of the global render state associated with the specified bit.
/// For performance reasons, this is better than SetRenderState().</summary>
/// <param name="renderStateIndex">Zero-based render state index to set. Is equivalent
/// to how many times the 1 is shifted left in the render state bit.</param>
/// <param name="renderState">Current RenderState to commit to the graphics device driver layer</param>
public void SetRenderStateByIndex(int renderStateIndex, RenderState renderState)
{
RenderStateSetHandler handler = m_renderStateSetters[renderStateIndex];
if (handler == null)
return;
handler(renderState, m_reset == false ? m_oldRenderState : null);
}
private void ParseBindingsForTexture(RenderState rs)
{
foreach (IBinding binding in Bindings)
{
if (binding.BindingType == "texture")
{
DomNode textureObject = (DomNode)binding.Source;
ITexture texture = textureObject.As<ITexture>();
string texUri = texture.PathName;
int texName = Global<TextureManager>.Instance.GetTextureName(texUri);
if (texName != -1)
{
rs.RenderMode |= RenderMode.Textured;
rs.TextureName = texName;
TextureInfo info = Global<TextureManager>.Instance.GetTextureInfo(texName);
if (info.Components == 4)
rs.RenderMode |= RenderMode.Alpha;
}
return;
}
}
}
/// <summary>
/// Custom pick rendering</summary>
/// <param name="graphPath">The graph path</param>
/// <param name="renderState">The render state</param>
/// <param name="action">The render action</param>
/// <param name="camera">The camera</param>
public void PickDispatch(SceneNode[] graphPath, RenderState renderState, IRenderAction action, Camera camera)
{
action.RenderStateGuardian.Commit(renderState);
// apply xform
Gl.glPushMatrix();
Util3D.glMultMatrixf(action.TopMatrix);
RenderVertices(action);
Gl.glPopMatrix();
}
/// <summary>
/// Pushes the specified RenderState onto the stack</summary>
/// <param name="renderState">RenderState to push</param>
public void Push(RenderState renderState)
{
m_contents.Add(renderState);
ComputeComposedRenderState();
}
/// <summary>
/// Determines whether stack contains the specified RenderState</summary>
/// <param name="renderState">Render state</param>
/// <returns><c>True</c> iff stack contains the specified RenderState</returns>
public bool Contains(RenderState renderState)
{
return m_contents.Contains(renderState);
}
/// <summary>
/// Renders the specified graph path</summary>
/// <param name="graphPath">The graph path</param>
/// <param name="renderState">The render state</param>
/// <param name="action">The render action</param>
/// <param name="camera">The camera</param>
protected override void Render(SceneNode[] graphPath, RenderState renderState, IRenderAction action, Camera camera)
{
// apply xform
Gl.glPushMatrix();
Util3D.glMultMatrixf(action.TopMatrix);
if (m_displayListId == 0)
{
RenderStats globalStats = Util3D.RenderStats;
RenderStats ourStats = new RenderStats();
Util3D.RenderStats = ourStats;
m_displayListId = Gl.glGenLists(1);
#if MEMORY_DEBUG
lock(s_lock) NumDisplayListIds++;
#endif
Gl.glNewList(m_displayListId, Gl.GL_COMPILE);
Render(action);
Gl.glEndList();
m_numPrimitives = ourStats.PrimCount;
m_numVertices = ourStats.VertexCount;
Util3D.RenderStats = globalStats;
}
Gl.glCallList(m_displayListId);
Gl.glPopMatrix();
Util3D.RenderStats.PrimCount += m_numPrimitives;
Util3D.RenderStats.VertexCount += m_numVertices;
}
/// <summary>
/// Pushes the specified RenderState onto the stack</summary>
public void Push(RenderState renderState)
{
m_contents.Add(renderState);
ComputeComposedRenderState();
}
/// <summary>
/// Removes the specified RenderState from stack</summary>
/// <param name="renderState">The RenderState to remove</param>
public void Remove(RenderState renderState)
{
m_contents.Remove(renderState);
ComputeComposedRenderState();
}
/// <summary>
/// Parses the bindings within this material to load the diffuse texture and set the
/// RenderState. The diffuse texture is determined by the following preference:
/// 1. A MaterialBinding whose type is "texture" and whose Tag is "diffuseTexture". See
/// http://wiki.ship.scea.com/confluence/display/SCEEATGDOCS/Materials+in+.atgi.
/// 2. The first binding whose type is "texture".</summary>
/// <param name="rs">The RenderState object to be set for this material</param>
private void ParseBindingsForTexture(RenderState rs)
{
IBinding bestMatch = null;
foreach (IBinding binding in Bindings)
{
if (binding.BindingType == "texture")
{
MaterialBinding matBinding = binding as MaterialBinding;
if (matBinding != null && matBinding.Tag == DiffuseTextureTag)
{
bestMatch = binding;
break;
}
else if (bestMatch == null)
{
bestMatch = binding;
}
}
}
if (bestMatch != null)
{
DomNode textureObject = (DomNode)bestMatch.Source;
ITexture texture = textureObject.As<ITexture>();
int texId = Global<TextureManager>.Instance.GetTextureName(texture.PathName);
if (texId != -1)
{
rs.RenderMode |= RenderMode.Textured;
rs.TextureName = texId;
TextureInfo info = Global<TextureManager>.Instance.GetTextureInfo(texId);
if (info.Components == 4 &&
AlphaBlend)
{
rs.RenderMode |= RenderMode.Alpha;
}
}
}
}
/// <summary>
/// Removes the specified RenderState from stack</summary>
/// <param name="renderState">The RenderState to remove</param>
public void Remove(RenderState renderState)
{
m_contents.Remove(renderState);
ComputeComposedRenderState();
}
/// <summary>
/// Determines whether stack contains the specified RenderState</summary>
/// <param name="renderState">Render state</param>
/// <returns><c>True</c> iff stack contains the specified RenderState</returns>
public bool Contains(RenderState renderState)
{
return(m_contents.Contains(renderState));
}
/// <summary>
/// Applies the provided RenderState to the graphics driver.
/// At exit, the state of the graphics device matches the parameters of the provided RenderState.</summary>
/// <param name="renderState">The RenderState to set the graphics device state to</param>
public void Commit(RenderState renderState)
{
renderState.CommitAllBitsToGuardian(this);
m_oldRenderState.Init(renderState);
m_reset = false;
}
/// <summary>
/// Constructor that copies another RenderState</summary>
/// <param name="other">RenderState to copy</param>
public RenderState(RenderState other)
{
Init(other);
}
/// <summary>
/// Constructor that copies another RenderState</summary>
/// <param name="other">RenderState to copy</param>
public RenderState(RenderState other)
{
Init(other);
}
private void BindTexture(Uri relativeUri, RenderState rs)
{
Collada root = this.DomNode.GetRoot().As<Collada>();
string fullPath = root.GetAbsolutePath(relativeUri);
if (!System.IO.File.Exists(fullPath))
{
Outputs.WriteLine(OutputMessageType.Error, "Texture not found " + fullPath);
return;
}
// Load texture and set RenderState
int texName = Global<TextureManager>.Instance.GetTextureName(fullPath);
if (texName != -1)
{
rs.RenderMode |= RenderMode.Textured;
rs.TextureName = texName;
}
}
