private void InitializeConvertersFloatToVector()
{
HLSLValuePair pair;
// float -> float2
pair = new HLSLValuePair
{
From = HLSLValueBaseType.FLOAT,
To = HLSLValueBaseType.FLOAT2
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
switch (from)
{
case HLSLValueSubType.X_R: return(string.Format("float2({0}, 0.0f)", value));
case HLSLValueSubType.Y_G: return(string.Format("float2(0.0f, {0})", value));
}
return(string.Format("float2({0}, {0})", value));
});
// float -> float3
pair = new HLSLValuePair
{
From = HLSLValueBaseType.FLOAT,
To = HLSLValueBaseType.FLOAT3
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
switch (from)
{
case HLSLValueSubType.X_R: return(string.Format("float3({0}, 0.0f, 0.0f)", value));
case HLSLValueSubType.Y_G: return(string.Format("float3(0.0f, {0}, 0.0f)", value));
case HLSLValueSubType.Z_B: return(string.Format("float3(0.0f, 0.0f, {0})", value));
}
return(string.Format("float3({0}, {0}, {0})", value));
});
// float -> float4
pair = new HLSLValuePair
{
From = HLSLValueBaseType.FLOAT,
To = HLSLValueBaseType.FLOAT4
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
switch (from)
{
case HLSLValueSubType.X_R: return(string.Format("float4({0}, 0.0f, 0.0f, 0.0f)", value));
case HLSLValueSubType.Y_G: return(string.Format("float4(0.0f, {0}, 0.0f, 0.0f)", value));
case HLSLValueSubType.Z_B: return(string.Format("float4(0.0f, 0.0f, {0}, 0.0f)", value));
case HLSLValueSubType.W_A: return(string.Format("float4(0.0f, 0.0f, 0.0f, {0})", value));
}
return(string.Format("float4({0}, {0}, {0}, 1.0f)", value));
});
}
public bool CanConvert(HLSLValueBaseType from, HLSLValueBaseType to)
{
var pair = new HLSLValuePair
{
From = from,
To = to
};
return(CanConvert(pair));
}
public string Convert(HLSLValue from, HLSLValue to, object value)
{
var pair = new HLSLValuePair
{
From = from.HLSLValueBaseType,
To = to.HLSLValueBaseType
};
if (CanConvert(pair))
{
var converter = converters[pair];
return(converter.Convert(from.HLSLValueSubType, to.HLSLValueSubType, value));
}
return("");
}
public string Convert(HLSLResult input, HLSLValue target)
{
var pair = new HLSLValuePair
{
From = input.HLSLValueBaseType,
To = target.HLSLValueBaseType
};
if (CanConvert(pair))
{
var converter = converters[pair];
return(converter.Convert(input.HLSLValueSubType, target.HLSLValueSubType, input.Value));
}
return("");
}
private void InitializeConvertersVectorToVector()
{
HLSLValuePair pair;
// float2 -> float4
pair = new HLSLValuePair
{
From = HLSLValueBaseType.FLOAT2,
To = HLSLValueBaseType.FLOAT4
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
return(string.Format("float4({0}, 0.0f, 1.0f)", value));
});
// float3 -> float4
pair = new HLSLValuePair
{
From = HLSLValueBaseType.FLOAT3,
To = HLSLValueBaseType.FLOAT4
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
return(string.Format("float4({0}, 1.0f)", value));
});
// float4 -> float2, float3 -> float2
Func <HLSLValueSubType, HLSLValueSubType, object, string> func = (from, to, value) => {
return(string.Format("float2({0}.xy)", value));
};
converters[new HLSLValuePair {
From = HLSLValueBaseType.FLOAT3, To = HLSLValueBaseType.FLOAT2
}] = new HLSLValueConverter(func);
converters[new HLSLValuePair {
From = HLSLValueBaseType.FLOAT4, To = HLSLValueBaseType.FLOAT2
}] = new HLSLValueConverter(func);
// float4 -> float3
pair = new HLSLValuePair {
From = HLSLValueBaseType.FLOAT4, To = HLSLValueBaseType.FLOAT3
};
converters[pair] = new HLSLValueConverter((from, to, value) => {
return(string.Format("float3({0}.xyz)", value));
});
}
bool CanConvert(HLSLValuePair pair)
{
return(converters.ContainsKey(pair));
}
