private EffectTechnique GetTechnique(BasicEffect11 effect, bool texture, bool reflection, NumberOfLights lights) {
string fieldName;
switch (lights) {
case NumberOfLights.One:
fieldName = "Light1";
break;
case NumberOfLights.Two:
fieldName = "Light2";
break;
case NumberOfLights.Three:
fieldName = "Light3";
break;
default:
throw new ArgumentOutOfRangeException();
}
if (texture) {
fieldName += "Tex";
}
if (reflection) {
fieldName += "Reflect";
}
fieldName += "Tech";
var prop = effect.GetType().GetProperty(fieldName);
return prop.GetValue(effect) as EffectTechnique;
}
private void InitializeTechniqueTable(BasicEffect11 basicFx, NormalMapEffect11 normalMapFx, DisplacementMapEffect11 displacementMapFx) {
var dict1 = new Dictionary<SurfaceMapping, BasicEffect11>() {
[SurfaceMapping.Simple] = basicFx,
[SurfaceMapping.NormalMapping] = normalMapFx,
[SurfaceMapping.DisplacementMapping] = displacementMapFx
};
// reflection, texture, surface, lights
// non-ref, ref, model
foreach (var surface in new[] { SurfaceMapping.Simple, SurfaceMapping.NormalMapping, SurfaceMapping.DisplacementMapping }) {
foreach (var reflect in new[] { true, false }) {
foreach (var texture in new[] { true, false }) {
foreach (var lights in new[] { NumberOfLights.One, NumberOfLights.Two, NumberOfLights.Three }) {
_techniqueTable.Add(new Tuple<bool, bool, SurfaceMapping, NumberOfLights>(reflect, texture, surface, lights),
new Tuple<EffectTechnique, EffectTechnique, EffectTechnique>(
GetTechnique(dict1[surface], texture, false, lights),
GetTechnique(basicFx, texture, true, lights),
GetTechnique(basicFx, texture, reflect, lights)));
}
}
}
}
}
