/// <summary>
/// Looks up shortcut references to our effect parameters.
/// </summary>
void CacheEffectParameters(BlBasicEffect cloneSource)
{
textureParam = Parameters["Texture"];
diffuseColorParam = Parameters["DiffuseColor"];
emissiveColorParam = Parameters["EmissiveColor"];
specularColorParam = Parameters["SpecularColor"];
specularPowerParam = Parameters["SpecularPower"];
eyePositionParam = Parameters["EyePosition"];
fogColorParam = Parameters["FogColor"];
fogVectorParam = Parameters["FogVector"];
worldParam = Parameters["World"];
worldInverseTransposeParam = Parameters["WorldInverseTranspose"];
worldViewProjParam = Parameters["WorldViewProj"];
light0 = new DirectionalLight(Parameters["DirLight0Direction"],
Parameters["DirLight0DiffuseColor"],
Parameters["DirLight0SpecularColor"],
(cloneSource != null) ? cloneSource.light0 : null);
light1 = new DirectionalLight(Parameters["DirLight1Direction"],
Parameters["DirLight1DiffuseColor"],
Parameters["DirLight1SpecularColor"],
(cloneSource != null) ? cloneSource.light1 : null);
light2 = new DirectionalLight(Parameters["DirLight2Direction"],
Parameters["DirLight2DiffuseColor"],
Parameters["DirLight2SpecularColor"],
(cloneSource != null) ? cloneSource.light2 : null);
}
/// <summary>
/// Creates a new BlBasicEffect by cloning parameter settings from an existing instance.
/// </summary>
protected BlBasicEffect(BlBasicEffect cloneSource)
: base(cloneSource)
{
CacheEffectParameters(cloneSource);
lightingEnabled = cloneSource.lightingEnabled;
preferPerPixelLighting = cloneSource.preferPerPixelLighting;
fogEnabled = cloneSource.fogEnabled;
textureEnabled = cloneSource.textureEnabled;
vertexColorEnabled = cloneSource.vertexColorEnabled;
world = cloneSource.world;
view = cloneSource.view;
projection = cloneSource.projection;
diffuseColor = cloneSource.diffuseColor;
emissiveColor = cloneSource.emissiveColor;
ambientLightColor = cloneSource.ambientLightColor;
alpha = cloneSource.alpha;
fogStart = cloneSource.fogStart;
fogEnd = cloneSource.fogEnd;
}
/// <summary>
/// Sets up in the specified BlBasicEffect with all matrices and lighting parameters for this sprite.
/// App code might call this from a SetEffect delegate if, for example, it is using one of the
/// BlBasicEffectxxx effects, like the BlBasicEffectWithAlphaTest.
/// </summary>
public void SetupBasicEffect(BlBasicEffect effect)
{
effect.Projection = Graphics.Projection;
effect.View = Graphics.View;
effect.World = AbsoluteMatrix;
effect.LightingEnabled = true;
do
{
if (Graphics.Lights.Count < 1)
{
effect.DirectionalLight0.Enabled = false;
effect.DirectionalLight1.Enabled = false;
effect.DirectionalLight2.Enabled = false;
break;
}
var light = Graphics.Lights[0];
if (light.LightDirection != null)
{
effect.DirectionalLight0.DiffuseColor = light.LightDiffuseColor;
effect.DirectionalLight0.SpecularColor = light.LightSpecularColor;
effect.DirectionalLight0.Direction = (Vector3)light.LightDirection;
effect.DirectionalLight0.Enabled = true;
}
else
{
effect.DirectionalLight0.Enabled = false;
}
if (Graphics.Lights.Count < 2)
{
effect.DirectionalLight1.Enabled = false;
effect.DirectionalLight2.Enabled = false;
break;
}
light = Graphics.Lights[1];
if (light.LightDirection != null)
{
effect.DirectionalLight1.DiffuseColor = light.LightDiffuseColor;
effect.DirectionalLight1.SpecularColor = light.LightSpecularColor;
effect.DirectionalLight1.Direction = (Vector3)light.LightDirection;
effect.DirectionalLight1.Enabled = true;
}
else
{
effect.DirectionalLight1.Enabled = false;
}
if (Graphics.Lights.Count < 3)
{
effect.DirectionalLight2.Enabled = false;
break;
}
light = Graphics.Lights[2];
if (light.LightDirection != null)
{
effect.DirectionalLight2.DiffuseColor = light.LightDiffuseColor;
effect.DirectionalLight2.SpecularColor = light.LightSpecularColor;
effect.DirectionalLight2.Direction = (Vector3)light.LightDirection;
effect.DirectionalLight2.Enabled = true;
}
else
{
effect.DirectionalLight2.Enabled = false;
}
}while (false);
if (Color != null)
{
effect.DiffuseColor = (Vector3)Color;
}
if (EmissiveColor != null)
{
effect.EmissiveColor = (Vector3)EmissiveColor;
}
if (Graphics.AmbientLightColor != null)
{
effect.AmbientLightColor = (Vector3)Graphics.AmbientLightColor;
}
if (SpecularColor != null)
{
effect.SpecularColor = (Vector3)SpecularColor;
effect.SpecularPower = SpecularPower;
}
if (Graphics.FogColor != null)
{
effect.FogColor = (Vector3)Graphics.FogColor;
effect.FogEnabled = true;
effect.FogStart = Graphics.fogStart;
effect.FogEnd = Graphics.fogEnd;
}
var Texture = GetCurrentTexture();
if (Texture != null)
{
effect.TextureEnabled = true;
effect.Texture = Texture;
}
}