public void Draw(GraphicsDevice device, Camera camera)
{
BlendState beforeBlend = device.BlendState;
RasterizerState beforeRasterizer = device.RasterizerState;
device.RasterizerState = new RasterizerState() { FillMode = beforeRasterizer.FillMode, CullMode = CullMode.None };
device.BlendState = BlendState.Additive;
billboardEffect.Parameters["W"].SetValue(Matrix.CreateScale(Scale) * Matrix.CreateWorld(Position, Position - camera.Position, Vector3.Up));
billboardEffect.Parameters["VP"].SetValue(camera.View * camera.Projection);
billboardEffect.Parameters["tex"].SetValue(Texture);
billboardEffect.Parameters["col"].SetValue(Color.ToVector4());
foreach (EffectPass p in billboardEffect.CurrentTechnique.Passes) {
p.Apply();
device.DrawUserIndexedPrimitives<VertexPositionColorTexture>(PrimitiveType.TriangleList, VertexBuffer, 0, 4, IndexBuffer, 0, 2);
}
device.RasterizerState = beforeRasterizer;
device.BlendState = beforeBlend;
}
public void Render(GraphicsDevice device, SpriteBatch sBatch, Camera camera, bool debug = false)
{
BoundingFrustum frustum = camera.Frustum;
List<Chunk> toDraw = new List<Chunk>();
foreach (Chunk c in Chunks)
if (c.bbox.Intersects(frustum))
toDraw.Add(c);
#region effect parameters
terrainEffect.Parameters["GrassTimer"].SetValue(totalTime);
terrainEffect.Parameters["BlockTexture"].SetValue(Block.BlockTexture);
terrainEffect.Parameters["AmbientBrightness"].SetValue(AmbientBrightness);
terrainEffect.Parameters["LightDirection"].SetValue(LightDirection * (IsDayTime ? 1 : -1));
terrainEffect.Parameters["CameraPosition"].SetValue(camera.Position);
terrainEffect.Parameters["VP"].SetValue(camera.View * camera.Projection);
//terrainEffect.Parameters["LightWVP"].SetValue(getLightProjection(camera.Position));
skyEffect.Parameters["W"].SetValue(Matrix.CreateTranslation(camera.Position));
skyEffect.Parameters["VP"].SetValue(camera.View * camera.Projection);
skyEffect.Parameters["CameraPosition"].SetValue(camera.Position);
skyEffect.Parameters["SkyTexture"].SetValue(NightSkybox);
skyEffect.Parameters["SkyAlpha"].SetValue(1f - (AmbientBrightness - .05f) / .95f);
if (blurKernel == null || blurXOffsets == null || blurYOffsets == null) {
Util.ComputeKernel(7, .5f, out blurKernel);
Util.ComputeOffsets2D(7, sceneRenderTarget.Width, sceneRenderTarget.Height, out blurXOffsets, out blurYOffsets);
postfxEffect.Parameters["weights"].SetValue(blurKernel);
postfxEffect.Parameters["pixel"].SetValue(Vector2.One / new Vector2(sceneRenderTarget.Width, sceneRenderTarget.Height));
}
#endregion
#region terrain
device.BlendState = BlendState.AlphaBlend;
device.DepthStencilState = DepthStencilState.Default;
/*RasterizerState b4 = device.RasterizerState;
device.RasterizerState = RasterizerState.CullClockwise;
terrainEffect.Parameters["VP"].SetValue(getLightProjection(camera.Position));
device.SetRenderTarget(depthRenderTarget);
device.Clear(Color.Transparent);
foreach (Chunk c in toDraw)
c.Render(device, frustum, terrainEffect, true, DrawGrass, debug);
if (!debug) terrainEffect.Parameters["VP"].SetValue(camera.View * camera.Projection);*/
//device.RasterizerState = b4;
device.SetRenderTarget(sceneRenderTarget);
device.Clear(Color.Transparent);
//terrainEffect.Parameters["DepthTexture"].SetValue(depthRenderTarget);
ChunksDrawnLastFrame = 0;
foreach (Chunk c in toDraw)
ChunksDrawnLastFrame += c.Render(device, frustum, terrainEffect, DrawGrass, debug) ? 1 : 0;
device.SetVertexBuffer(null);
device.Indices = null;
#endregion
Debug.DrawBoxes(device, debugEffect);
#region sun & moon, sun shafts
Sun.Position = camera.Position - LightDirection * 2f;
Moon.Position = camera.Position + LightDirection * 2f;
device.DepthStencilState = DepthStencilState.None;
device.BlendState = BlendState.AlphaBlend;
device.SetRenderTarget(sunRenderTarget);
device.Clear(Color.Transparent);
Sun.Draw(device, camera);
postfxEffect.CurrentTechnique = postfxEffect.Techniques["Occuld"];
sBatch.Begin(SpriteSortMode.Deferred, BlendState.Opaque, null, null, null, postfxEffect);
sBatch.Draw(sceneRenderTarget, Vector2.Zero, Color.White);
sBatch.End();
// sun shafts
device.SetRenderTarget(postfxRenderTarget1);
device.Clear(Color.Transparent);
Vector3 lp = device.Viewport.Project(Sun.Position, camera.Projection, camera.View, Matrix.Identity);
postfxEffect.Parameters["lightPosition"].SetValue(new Vector2(lp.X, lp.Y) / new Vector2(sceneRenderTarget.Width, sceneRenderTarget.Height));
postfxEffect.CurrentTechnique = postfxEffect.Techniques["Scatter"];
sBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, null, null, null, postfxEffect);
sBatch.Draw(sunRenderTarget, Vector2.Zero, Color.White);
sBatch.End();
// blur x
device.SetRenderTarget(postfxRenderTarget2);
device.Clear(Color.Transparent);
postfxEffect.Parameters["offsets"].SetValue(blurXOffsets);
postfxEffect.CurrentTechnique = postfxEffect.Techniques["Blur"];
sBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, null, null, null, postfxEffect);
sBatch.Draw(postfxRenderTarget1, Vector2.Zero, Color.White);
sBatch.End();
// blur y
device.SetRenderTarget(sunRenderTarget);
device.Clear(Color.Transparent);
postfxEffect.Parameters["offsets"].SetValue(blurYOffsets);
postfxEffect.CurrentTechnique = postfxEffect.Techniques["Blur"];
sBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, null, null, null, postfxEffect);
sBatch.Draw(postfxRenderTarget2, Vector2.Zero, Color.White);
sBatch.End();
#endregion
#region skybox & moon
device.SetRenderTarget(null);
device.Clear(Color.LightSkyBlue);
device.BlendState = BlendState.AlphaBlend;
device.DepthStencilState = DepthStencilState.DepthRead;
device.RasterizerState = new RasterizerState() { FillMode = device.RasterizerState.FillMode, CullMode = CullMode.CullClockwiseFace };
skyEffect.CurrentTechnique = skyEffect.Techniques["Skybox"];
foreach (EffectPass p in skyEffect.CurrentTechnique.Passes) {
p.Apply();
device.DrawUserIndexedPrimitives<VertexPositionColor>(PrimitiveType.TriangleList, SkyboxVerts, 0, SkyboxVerts.Length, SkyboxInds, 0, SkyboxInds.Length / 3);
}
Moon.Draw(device, camera);
device.RasterizerState = new RasterizerState() { FillMode = device.RasterizerState.FillMode, CullMode = CullMode.CullCounterClockwiseFace };
device.DepthStencilState = DepthStencilState.Default;
#endregion
sBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend);
sBatch.Draw(sceneRenderTarget, Vector2.Zero, Color.White);
sBatch.Draw(sunRenderTarget, Vector2.Zero, Color.White);
sBatch.End();
}