public override void Draw(Camera3D camera)
{
if (vertexBuffer.IsContentLost)
{
vertexBuffer.SetData(particles);
}
if (firstNewParticle != firstFreeParticle)
{
AddNewParticlesToVertexBuffer();
}
if (firstActiveParticle != firstFreeParticle)
{
Deferred3DEffect effect3D = ParticleHolder;
effect3D.SetFromCamera(camera);
Game1.graphicsDevice.BlendState = BlendState.Additive;
Game1.graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
effect3D.SetTextureSize(new Vector2(0.5f / Game1.graphicsDevice.Viewport.AspectRatio, -0.5f));
effect3D.SetTime(Level.Time);
Game1.graphicsDevice.SetVertexBuffer(vertexBuffer);
Game1.graphicsDevice.Indices = indexBuffer;
// Activate the particle effect.
foreach (EffectPass pass in ParticleEffect.CurrentTechnique.Passes)
{
pass.Apply();
if (firstActiveParticle < firstFreeParticle)
{
// If the active particles are all in one consecutive range,
// we can draw them all in a single call.
Game1.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
firstActiveParticle * 4, (firstFreeParticle - firstActiveParticle) * 4,
firstActiveParticle * 6, (firstFreeParticle - firstActiveParticle) * 2);
}
else
{
// If the active particle range wraps past the end of the queue
// back to the start, we must split them over two draw calls.
Game1.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
firstActiveParticle * 4, (MaxParticles - firstActiveParticle) * 4,
firstActiveParticle * 6, (MaxParticles - firstActiveParticle) * 2);
if (firstFreeParticle > 0)
{
Game1.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, firstFreeParticle * 4,
0, firstFreeParticle * 2);
}
}
}
}
drawCounter++;
}
public override void Draw(Camera3D camera)
{
if (firstFreeParticle == 0)
{
return;
}
if (vertexBuffer.IsContentLost || !BufferReady)
{
BufferReady = true;
vertexBuffer.SetData(0, particles, 0, firstFreeParticle * 4, FlareVertex.SizeInBytes, SetDataOptions.Discard);
}
Deferred3DEffect effect3D = ParticleHolder;
effect3D.SetFromCamera(camera);
Game1.graphicsDevice.BlendState = BlendState.Additive;
Game1.graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
effect3D.SetTextureSize(new Vector2(0.5f / Game1.graphicsDevice.Viewport.AspectRatio, -0.5f));
effect3D.SetTime(Level.Time);
Game1.graphicsDevice.SetVertexBuffer(vertexBuffer);
Game1.graphicsDevice.Indices = indexBuffer;
// Activate the particle effect.
foreach (EffectPass pass in FlareEffect.CurrentTechnique.Passes)
{
pass.Apply();
Game1.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, firstFreeParticle * 4,
0, firstFreeParticle * 2);
}
}
public override void Draw3D(Camera3D camera, GameObjectTag DrawTag)
{
if (MyEffect.get() == null)
return;
GraphicsDevice device = Game1.graphicsDevice;
// Restore the vertex buffer contents if the graphics device was lost.
if (vertexBuffer.IsContentLost)
{
vertexBuffer.SetData(particles);
}
if (NeedDurationChange && DurationParameter != null && ParticleDuration != null)
{
DurationParameter.SetValue(ParticleDuration.get());
NeedDurationChange = false;
}
// If there are any particles waiting in the newly added queue,
// we'd better upload them to the GPU ready for drawing.
if (firstNewParticle != firstFreeParticle)
{
AddNewParticlesToVertexBuffer();
}
// If there are any active particles, draw them now!
if (firstActiveParticle != firstFreeParticle)
{
Deferred3DEffect effect3D = (Deferred3DEffect)MyEffect.Holder;
effect3D.SetFromCamera(camera);
device.BlendState = Additive.get() ? BlendState.Additive : BlendState.AlphaBlend;
device.DepthStencilState = UseDepth.get() ? DepthStencilState.DepthRead : DepthStencilState.None;
effect3D.SetTextureSize(new Vector2(0.5f / device.Viewport.AspectRatio, -0.5f));
effect3D.SetTime(Level.Time);
device.SetVertexBuffer(vertexBuffer);
device.Indices = indexBuffer;
// Activate the particle effect.
foreach (EffectPass pass in MyEffect.get().CurrentTechnique.Passes)
{
pass.Apply();
if (firstActiveParticle < firstFreeParticle)
{
// If the active particles are all in one consecutive range,
// we can draw them all in a single call.
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
firstActiveParticle * 4, (firstFreeParticle - firstActiveParticle) * 4,
firstActiveParticle * 6, (firstFreeParticle - firstActiveParticle) * 2);
}
else
{
// If the active particle range wraps past the end of the queue
// back to the start, we must split them over two draw calls.
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
firstActiveParticle * 4, ((int)MaxParticles.get() - firstActiveParticle) * 4,
firstActiveParticle * 6, ((int)MaxParticles.get() - firstActiveParticle) * 2);
if (firstFreeParticle > 0)
{
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, firstFreeParticle * 4,
0, firstFreeParticle * 2);
}
}
}
}
drawCounter++;
base.Draw3D(camera, DrawTag);
}