protected virtual object EvalSampler_State_Expression(ParseTree tree, params object[] paramlist)
{
var sampler = paramlist[0] as SamplerStateInfo;
var name = this.GetValue(tree, TokenType.Identifier, 0) as string;
var value = (this.GetValue(tree, TokenType.Identifier, 1) ?? (this.GetValue(tree, TokenType.Identifier, 2) ?? this.GetValue(tree, TokenType.Number, 0))) as string;
switch (name.ToLower())
{
case "texture":
sampler.textureName = value;
break;
case "minfilter":
sampler.MinFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "magfilter":
sampler.MagFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "mipfilter":
sampler.MipFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "filter":
sampler.MinFilter = sampler.MagFilter = sampler.MipFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "addressu":
sampler.state.AddressU = ParseTreeTools.ParseAddressMode(value);
break;
case "addressv":
sampler.state.AddressV = ParseTreeTools.ParseAddressMode(value);
break;
case "addressw":
sampler.state.AddressW = ParseTreeTools.ParseAddressMode(value);
break;
case "maxanisotropy":
sampler.state.MaxAnisotropy = int.Parse(value);
break;
case "maxlod":
sampler.state.MaxMipLevel = int.Parse(value);
break;
case "miplodbias":
sampler.state.MipMapLevelOfDetailBias = float.Parse(value);
break;
default:
break;
}
return(null);
}
public void Parse(string name, string value)
{
switch (name.ToLower())
{
case "texture":
TextureName = value;
break;
case "minfilter":
MinFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "magfilter":
MagFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "mipfilter":
MipFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "filter":
MinFilter = MagFilter = MipFilter = ParseTreeTools.ParseTextureFilterType(value);
break;
case "addressu":
AddressU = ParseTreeTools.ParseAddressMode(value);
break;
case "addressv":
AddressV = ParseTreeTools.ParseAddressMode(value);
break;
case "addressw":
AddressW = ParseTreeTools.ParseAddressMode(value);
break;
case "maxanisotropy":
MaxAnisotropy = int.Parse(value);
break;
case "maxlod":
MaxMipLevel = int.Parse(value);
break;
case "miplodbias":
MipMapLevelOfDetailBias = float.Parse(value);
break;
}
}