/// <summary>
/// Add a new control by passing a string parameter
/// params is a string using the following format:<para></para>
/// 'Control Name', 'Shader parameter name', 'Parameter Type', 'Min Val', 'Max Val', 'Parameter Sub Index'<para></para>
/// 'Control Name' = is the string displayed for the control name on screen<para></para>
/// 'Shader parameter name' = is the name of the variable in the shader<para></para>
/// 'Parameter Type' = can be GPU_VERTEX, GPU_FRAGMENT<para></para>
/// 'Min Val' = minimum value that parameter can be<para></para>
/// 'Max Val' = maximum value that parameter can be<para></para>
/// 'Parameter Sub Index' = index into the the float array of the parameter. All GPU parameters are assumed to be float[4].<para></para>
/// </summary>
public void AddControl(string parameters)
{
// params is a string containing using the following format:
// "<Control Name>, <Shader parameter name>, <Parameter Type>, <Min Val>, <Max Val>, <Parameter Sub Index>"
// break up long string into components
string[] lineParams = parameters.Split(',');
// if there are not five elements then log error and move on
if (lineParams.Length != 6)
{
LogManager.Instance.Write(
"Incorrect number of parameters passed in params string for MaterialControls.AddControl()");
return;
}
try
{
var newControl = new ShaderControl();
newControl.Name = lineParams[0].Trim();
newControl.ParamName = lineParams[1].Trim();
newControl.Type = lineParams[2].Trim() == "GPU_VERTEX" ? ShaderType.GpuVertex : ShaderType.GpuFragment;
newControl.MinVal = float.Parse(lineParams[3].Trim());
newControl.MaxVal = float.Parse(lineParams[4].Trim());
newControl.ElementIndex = int.Parse(lineParams[5].Trim());
this.shaderControlsContainer.Add(newControl);
}
catch
{
LogManager.Instance.Write("Error while parsing control params in MaterialControls.AddControl()");
}
}
/// <summary>
/// Add a new control by passing a string parameter
/// params is a string using the following format:<para></para>
/// 'Control Name', 'Shader parameter name', 'Parameter Type', 'Min Val', 'Max Val', 'Parameter Sub Index'<para></para>
/// 'Control Name' = is the string displayed for the control name on screen<para></para>
/// 'Shader parameter name' = is the name of the variable in the shader<para></para>
/// 'Parameter Type' = can be GPU_VERTEX, GPU_FRAGMENT<para></para>
/// 'Min Val' = minimum value that parameter can be<para></para>
/// 'Max Val' = maximum value that parameter can be<para></para>
/// 'Parameter Sub Index' = index into the the float array of the parameter. All GPU parameters are assumed to be float[4].<para></para>
/// </summary>
public void AddControl( string parameters )
{
// params is a string containing using the following format:
// "<Control Name>, <Shader parameter name>, <Parameter Type>, <Min Val>, <Max Val>, <Parameter Sub Index>"
// break up long string into components
string[] lineParams = parameters.Split( ',' );
// if there are not five elements then log error and move on
if ( lineParams.Length != 6 )
{
LogManager.Instance.Write(
"Incorrect number of parameters passed in params string for MaterialControls.AddControl()" );
return;
}
try
{
var newControl = new ShaderControl();
newControl.Name = lineParams[ 0 ].Trim();
newControl.ParamName = lineParams[ 1 ].Trim();
newControl.Type = lineParams[ 2 ].Trim() == "GPU_VERTEX" ? ShaderType.GpuVertex : ShaderType.GpuFragment;
newControl.MinVal = float.Parse( lineParams[ 3 ].Trim() );
newControl.MaxVal = float.Parse( lineParams[ 4 ].Trim() );
newControl.ElementIndex = int.Parse( lineParams[ 5 ].Trim() );
this.shaderControlsContainer.Add( newControl );
}
catch
{
LogManager.Instance.Write( "Error while parsing control params in MaterialControls.AddControl()" );
}
}
private void shaderControlSlider_SliderMoved(object sender, Slider slider)
{
int sliderIndex = -1;
for (int i = 0; i < ControlsPerPage; i++)
{
if (this.shaderControls[i] == slider)
{
sliderIndex = i;
break;
}
}
Utilities.Contract.Requires(sliderIndex != -1);
int index = this.currentPage * ControlsPerPage + sliderIndex;
ShaderControl activeShaderDef = this.materialControlsContainer[this.currentMaterial].GetShaderControl(index);
float val = slider.Value;
if (this.activePass != null)
{
switch (activeShaderDef.Type)
{
case ShaderType.GpuVertex:
case ShaderType.GpuFragment:
{
GpuProgramParameters activeParameters = (activeShaderDef.Type == ShaderType.GpuVertex)
? this.activeVertexParameters
: this.activeFragmentParameters;
if (activeParameters != null)
{
activeParameters.WriteRawConstant(activeShaderDef.PhysicalIndex + activeShaderDef.ElementIndex, val);
}
}
break;
case ShaderType.MatSpecular:
{
//// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Specular;
switch (activeShaderDef.ElementIndex)
{
case 0:
oldSpec.r = val;
break;
case 1:
oldSpec.g = val;
break;
case 2:
oldSpec.b = val;
break;
case 3:
oldSpec.a = val;
break;
}
this.activePass.Specular = oldSpec;
}
break;
case ShaderType.MatDiffuse:
{
//// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Diffuse;
switch (activeShaderDef.ElementIndex)
{
case 0:
oldSpec.r = val;
break;
case 1:
oldSpec.g = val;
break;
case 2:
oldSpec.b = val;
break;
case 3:
oldSpec.a = val;
break;
}
this.activePass.Diffuse = oldSpec;
}
break;
case ShaderType.MatAmbient:
{
//// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Ambient;
switch (activeShaderDef.ElementIndex)
{
case 0:
oldSpec.r = val;
break;
case 1:
oldSpec.g = val;
break;
case 2:
oldSpec.b = val;
break;
case 3:
oldSpec.a = val;
break;
}
this.activePass.Ambient = oldSpec;
}
break;
case ShaderType.MatShininess:
{
//// get the specular values from the material pass
this.activePass.Shininess = val;
}
break;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="pageNum"></param>
protected void ChangePage(int pageNum)
{
if (this.materialControlsContainer.Count == 0)
{
return;
}
this.currentPage = (pageNum == -1) ? (this.currentPage + 1) % this.numPages : pageNum;
string pageText = string.Format("Parameters {0} / {1}", this.currentPage + 1, this.numPages);
((Button)TrayManager.GetWidget("PageButtonControl")).Caption = pageText;
if (this.activeMaterial != null && this.activeMaterial.SupportedTechniques.Count > 0)
{
Technique currentTechnique = this.activeMaterial.SupportedTechniques[0];
if (currentTechnique != null)
{
this.activePass = currentTechnique.GetPass(0);
if (this.activePass != null)
{
if (this.activePass.HasFragmentProgram)
{
this.activeFragmentProgram = this.activePass.FragmentProgram;
this.activeFragmentParameters = this.activePass.FragmentProgramParameters;
}
if (this.activePass.HasVertexProgram)
{
this.activeVertexProgram = this.activePass.VertexProgram;
this.activeVertexParameters = this.activePass.VertexProgramParameters;
}
int activeControlCount = this.materialControlsContainer[this.currentMaterial].ShaderControlsCount;
int startControlIndex = this.currentPage * ControlsPerPage;
int numControls = activeControlCount - startControlIndex;
if (numControls <= 0)
{
this.currentPage = 0;
startControlIndex = 0;
numControls = activeControlCount;
}
for (int i = 0; i < ControlsPerPage; i++)
{
Slider shaderControlSlider = this.shaderControls[i];
if (i < numControls)
{
shaderControlSlider.Show();
int controlIndex = startControlIndex + i;
ShaderControl activeShaderDef =
this.materialControlsContainer[this.currentMaterial].GetShaderControl(controlIndex);
shaderControlSlider.SetRange(activeShaderDef.MinVal, activeShaderDef.MaxVal, 50, false);
shaderControlSlider.Caption = activeShaderDef.Name;
shaderControlSlider.SliderMoved += new SliderMovedHandler(shaderControlSlider_SliderMoved);
float uniformVal = 0.0f;
switch (activeShaderDef.Type)
{
case ShaderType.GpuVertex:
case ShaderType.GpuFragment:
{
GpuProgramParameters activeParameters = (activeShaderDef.Type == ShaderType.GpuVertex)
? this.activeVertexParameters
: this.activeFragmentParameters;
if (activeParameters != null)
{
throw new NotImplementedException("Fix this");
//int idx = activeParameters.GetParamIndex( activeShaderDef.ParamName );
//activeShaderDef.PhysicalIndex = idx;
//uniformVal = activeParameters.GetNamedFloatConstant( activeShaderDef.ParamName ).val[ activeShaderDef.ElementIndex ];
}
}
break;
case ShaderType.MatSpecular:
{
// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Specular;
int x = activeShaderDef.ElementIndex;
uniformVal = x == 0 ? oldSpec.r : x == 1 ? oldSpec.g : x == 2 ? oldSpec.b : x == 3 ? oldSpec.a : 0;
}
break;
case ShaderType.MatDiffuse:
{
// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Diffuse;
int x = activeShaderDef.ElementIndex;
uniformVal = x == 0 ? oldSpec.r : x == 1 ? oldSpec.g : x == 2 ? oldSpec.b : x == 3 ? oldSpec.a : 0;
}
break;
case ShaderType.MatAmbient:
{
// get the specular values from the material pass
ColorEx oldSpec = this.activePass.Ambient;
int x = activeShaderDef.ElementIndex;
uniformVal = x == 0 ? oldSpec.r : x == 1 ? oldSpec.g : x == 2 ? oldSpec.b : x == 3 ? oldSpec.a : 0;
}
break;
case ShaderType.MatShininess:
{
// get the specular values from the material pass
uniformVal = this.activePass.Shininess;
}
break;
}
shaderControlSlider.Value = uniformVal;
}
}
}
}
}
}