/// <summary>
/// Adds a dynamic light to the scene. Will be rendered every frame
/// until RemoveLight is called. Has priority over normal lights.
/// </summary>
/// <param name="light"></param>
public override void AddSceneLight(Light light)
{
sceneLights.Add(light);
}
/// <summary>
/// Removes a light from the scene.
/// </summary>
/// <param name="light">Light</param>
public override void RemoveLight(Light light)
{
dynamicLights.Remove(light);
sceneLights.Remove(light);
}
/// <summary>
/// Applies contribution from a point light.
/// </summary>
/// <param name="light">Light</param>
private void RenderPointLight(Light light, bool shadow)
{
pointLightEffect.CurrentTechnique = pointLightEffect.Techniques["PointLight"];
//pointLightEffect.Parameters["xLightTex"].SetValue(lightMap);
//pointLightEffect.Parameters["xLightViewProjection"].SetValue(cameraViewProjection);
pointLightEffect.Parameters["xLightColorAndIntensity"].SetValue(light.Color.ToVector3() * light.Intensity);
pointLightEffect.Parameters["xLightPosition"].SetValue(light.Location);
// TODO: light volume shapes
RenderEffectToScreen(pointLightEffect);
}
/// <summary>
/// Adds a dynamic light to the scene. Will be rendered every
/// frame until RemoveLight is called.
/// </summary>
/// <param name="light">Light</param>
public override void AddDynamicLight(Light light)
{
if (light.Type == LightType.Directional)
throw new ArgumentException("Dynamic lights can't be directional");
dynamicLights.Add(light);
}
/// <summary>
/// Applies contribution from a directional light.
/// </summary>
/// <param name="light">Light</param>
private void RenderDirectionalLight(Light light, bool shadow)
{
if (light.Intensity != 0)
{
directionalLightEffect.CurrentTechnique = shadow
? directionalLightEffect.Techniques["DirectionalLightShadow"]
: directionalLightEffect.Techniques["DirectionalLight"];
directionalLightEffect.Parameters["xLightViewProjection"].SetValue(lightViewProjection);
directionalLightEffect.Parameters["xLightColorAndIntensity"].SetValue(light.Color.ToVector3() * light.Intensity);
directionalLightEffect.Parameters["xLightNormal"].SetValue(Vector3.Normalize(light.Location));
RenderEffectToScreen(directionalLightEffect);
}
}
/// <summary>
/// Initializes a light from a binary stream, version 0.
/// </summary>
/// <param name="light">Light being initialized</param>
/// <param name="reader">Binary stream</param>
private static Light ReadVer0(BinaryReader reader)
{
Light light = new Light();
light.Type = (LightType)reader.ReadUInt32();
light.Color.R = reader.ReadByte();
light.Color.G = reader.ReadByte();
light.Color.B = reader.ReadByte();
light.Intensity = reader.ReadSingle();
return light;
}
/// <summary> /// Removes a light from the scene. /// </summary> /// <param name="light">Light</param> public abstract void RemoveLight(Light light);
/// <summary> /// Adds a dynamic light to the scene. Will be rendered every frame /// until RemoveLight is called. Has priority over normal lights. /// </summary> /// <param name="light"></param> public abstract void AddSceneLight(Light light);
/// <summary> /// Adds a dynamic light to the scene. Will be rendered every /// frame until RemoveLight is called. /// </summary> /// <param name="light">Light</param> public abstract void AddDynamicLight(Light light);
