/// <summary>
/// Removes a light's binding from the shadow map, disabling it from casting shadows.
/// </summary>
/// <param name="light">The light to unregister / unbind.</param>
public void UnregisterLight(ShadowCastingLight light)
{
if (light.shadow_map_slot < 0 || light.shadow_map_slot > MAX_SHADOW_MAPS)
{
Debug.LogError("Error freeing shadow map slot.");
}
FreeShadowMap(light.shadow_map_slot);
light.shadow_map_slot = -1;
}
/// <summary>
/// Sets up a light, assigning / binding it to a slot (row) in the shadow map.
/// </summary>
/// <param name="light">The light to register / bind.</param>
public void RegisterLight(ShadowCastingLight light)
{
int slot = AllocateShadowMap();
if (slot != -1)
{
light.shadow_map_slot = slot;
}
else
{
#if UNITY_EDITOR
Debug.LogError("Too many shadow casting lights in the scene!");
#endif
}
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed ||
Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
this.KeyboardInput.Update();
this.MouseInput.Update();
if (this.KeyboardInput.Click(Keys.OemTilde))
{
this.detailView = !this.detailView;
}
if (this.KeyboardInput.Click(Keys.Tab))
{
this.currentSceneIndex = (this.currentSceneIndex + 1) % this.scenes.Length;
this.renderSystem.Scene = this.scenes[this.currentSceneIndex];
}
if (this.KeyboardInput.Click(Keys.F))
{
this.IsFixedTimeStep = !this.IsFixedTimeStep;
}
if (this.KeyboardInput.Click(Keys.OemPlus))
{
this.viewIndex = (this.viewIndex + 1) % this.viewOptions;
}
else if (this.KeyboardInput.Click(Keys.OemMinus))
{
this.viewIndex = (this.viewIndex + this.viewOptions - 1) % this.viewOptions;
}
if (this.KeyboardInput.Click(Keys.LeftControl))
{
this.renderSystem.EnableFXAA = !this.renderSystem.EnableFXAA;
}
// HACK: dropping some lights
var selectedScene = this.scenes[this.currentSceneIndex];
if (this.KeyboardInput.Click(Keys.Q))
{
var color = ColorUtilities.PickRandomColor();
var light = new PointLight(this.camera.Position, color, 10, 1.0f);
selectedScene.PointLights.Add(light);
}
if (this.KeyboardInput.Click(Keys.LeftAlt))
{
var light = new ShadowCastingLight(this.GraphicsDevice, this.camera.Position, this.camera.LookAt, Color.White);
selectedScene.ShadowCastingLights.Add(light);
}
if (this.KeyboardInput.Click(Keys.H))
{
selectedScene.Sunlights.ForEach(x => x.Move(this.camera.Position, this.camera.LookAt));
}
this.cameraController.Update(gameTime.ElapsedGameTime);
this.renderSystem.Scene.Update(gameTime.ElapsedGameTime);
base.Update(gameTime);
}
public void Update(PerspectiveCamera camera, Seconds elapsed)
{
if (this.started == false)
{
return;
}
this.CutsceneSystem.Update(camera, elapsed);
if (this.accumulator == 0)
{
this.ambientLight = this.SceneBuilder.BuildSponzaAmbientLight();
this.sunlight = this.SceneBuilder.BuildSponzaSunLight();
this.PointLight = this.SceneBuilder.BuildFirePlace();
this.SceneBuilder.BuildStainedGlass();
this.SceneBuilder.BuildBulletHoles();
this.SceneBuilder.BuildCutScene();
this.ambientLight.Color = Color.Black;
this.sunlight.Move(this.sunlight.Position, new Vector3(-10.0f, this.sunlight.LookAt.Y, this.sunlight.LookAt.Z));
this.ambientLight.Color = Color.Black;
this.sunlight.Move(this.sunlight.Position, new Vector3(-10.0f, this.sunlight.LookAt.Y, this.sunlight.LookAt.Z));
//MediaPlayer.Play(this.song);
}
if (this.accumulator < new Seconds(1))
{
this.PointLight.Color = Color.IndianRed * this.accumulator;
}
this.accumulator += elapsed;
var warmup = new Seconds(7);
if (this.accumulator > warmup)
{
var since = this.accumulator - warmup;
var desiredOff2 = MathHelper.Clamp(since / 1, 0.0f, 9.25f);
this.off2 = MathHelper.Lerp(this.off2, desiredOff2, 0.05f);
this.sunlight.Move(this.sunlight.Position, new Vector3(-10.0f + this.off2, this.sunlight.LookAt.Y, this.sunlight.LookAt.Z));
var off = MathHelper.Clamp(since / 23.0f, 0f, 0.4f);
this.ambientLight.Color = new Color(off, off, off);
}
var secondState = new Seconds(26);
if (this.accumulator > secondState)
{
if (this.shadowCastingLight == null)
{
this.shadowCastingLight = this.SceneBuilder.BuildLionSpotLight();
}
var since = this.accumulator - secondState;
var off = MathHelper.Clamp(since / 2.0f, 0f, 0.8f);
this.shadowCastingLight.Color = Color.White * off;
}
var fadeOut = new Seconds(28);
if (this.accumulator > fadeOut)
{
var left = MathHelper.Clamp((this.accumulator - fadeOut) / 3.0f, 0, 1);
MediaPlayer.Volume = 1.0f - left;
}
Debug.WriteLine(this.accumulator);
}
