protected override void Initialize()
{
IsMouseVisible = true;
map = new Map (new Vector3(400, 200, 0));
cam = new Camera();
player = EntityFactory.GetPlayer();
player.Postion = new Vector3(150, 200, 0);
gameWorld = new World();
gameWorld.AddEntity(player);
gameWorld.Map = map;
render = new Renderer();
render.Groups.Add(
new RenderGroup(400000, "atlas", map)
);
render.Groups.Add(
entitygroup = new RenderGroup(200, "char1", player )
);
render.Groups.Add(
itemgroup = new RenderGroup(2000, "char1") {TileCount = 32 }
);
//enemy.SetType(new NodeType { Texture = new Vector3(0, 2, 0) });
GraphicsDevice.BlendState = BlendState.AlphaBlend;
GraphicsDevice.DepthStencilState = DepthStencilState.None;
map.Init();
base.Initialize();
}
public Renderer()
{
planeCam = new Camera { View = Matrix.CreateLookAt(new Vector3(0, 0, 10), new Vector3(0, 0, 0), Vector3.Up), Projection = Matrix.CreateOrthographic(1f, 1f, 1f, 100.0f)};
Device = Game1.Instance.GraphicsDevice;
instanceVertexBuffer = new DynamicVertexBuffer(
Game1.Instance.GraphicsDevice,
typeof(InstanceData),
1,
BufferUsage.WriteOnly);
instanceVertexBuffer.SetData( new []{new InstanceData { World = Matrix.Identity }}, 0, 1, SetDataOptions.Discard);
}
public void Update(Camera cam)
{
int startX = (int)MathHelper.Clamp(cam.Position.X - cam.ViewSize.X / 2 - 15, 0, X);
int endX = (int)MathHelper.Clamp(cam.Position.X + cam.ViewSize.X / 2 + 15, 0, X);
int startY = (int)MathHelper.Clamp(cam.Position.Y - cam.ViewSize.Y / 2 - 15, 0, Y);
int endY = (int)MathHelper.Clamp(cam.Position.Y + cam.ViewSize.Y / 2 + 15, 0, Y);
var area = new BoundingBox(new Vector3(startX, startY, 0), new Vector3(endX, endY, 0));
PreUpdate(area);
for (int i1 = startX; i1 < endX; i1++)
{
for (int i2 = startY; i2 < endY; i2++)
{
var node = ForeGround[i1, i2];
foreach (var component in components)
component.Update(node);
}
}
}
public void Update(Camera cam)
{
Camera = cam;
GetInstanceData();
if (InstanceCount == 0)
return;
if ((instanceVertexBuffer == null) || (InstanceCount > instanceVertexBuffer.VertexCount))
{
if (instanceVertexBuffer != null)
instanceVertexBuffer.Dispose();
instanceVertexBuffer = new DynamicVertexBuffer(
Game1.Instance.GraphicsDevice,
typeof(InstanceData),
InstanceCount,
BufferUsage.WriteOnly);
}
instanceVertexBuffer.SetData(instances, 0, InstanceCount, SetDataOptions.Discard);
}
private Vector2 toScreenSpace(Vector3 r, Camera cam )
{
r = Vector3.Transform(r, cam.View);
r = Vector3.Transform(r, cam.Projection);
return new Vector2(r.X / 2 + .5f, -r.Y / 2 + 0.5f);
}
private void RenderShadows(ModelMeshPart meshPart, Effect effect, Camera cam)
{
for (int i = 0; i < lights.Count; i++)
{
Vector3 r = lights[i].Postion;
if (Vector3.Distance(r, cam.Target) > cam.ViewSize.Length())
continue;
Device.SetRenderTarget(zmaps[i]);
effect.Parameters["Light"].SetValue(toScreenSpace(r, cam));
effect.Parameters["Distance"].SetValue(0.5f);
effect.Parameters["Shadow"].SetValue(opacity);
effect.CurrentTechnique = effect.Techniques["ZMap"];
effect.CurrentTechnique.Passes[1].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, 1);
}
Device.SetRenderTarget(shadow);
Device.Clear(Color.Black);
for (int i = 0; i < lights.Count; i++)
{
Vector3 r = lights[i].Postion;
if (Vector3.Distance(r, cam.Target) > cam.ViewSize.Length())
continue;
effect.Parameters["Light"].SetValue(toScreenSpace(r, cam));
effect.Parameters["Distance"].SetValue(0.5f);
effect.Parameters["Shadow"].SetValue(zmaps[i]);
effect.CurrentTechnique = effect.Techniques["ShadowAccum"];
effect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, 1);
}
}
private void RenderInstances2(ModelMeshPart meshPart, Effect effect, Camera cam)
{
effect.Parameters["View"].SetValue(cam.View);
effect.Parameters["Projection"].SetValue(cam.Projection);
Device.Indices = meshPart.IndexBuffer;
effect.CurrentTechnique = effect.Techniques["Wire"];
Device.Clear(Color.Black);
foreach (var group in Groups)
{
group.Update(cam);
if (group.InstanceCount == 0)
continue;
effect.Parameters["Texture"].SetValue(group.Texture);
effect.Parameters["TileCount"].SetValue(group.TileCount);
Device.SetVertexBuffers(
new VertexBufferBinding(meshPart.VertexBuffer, meshPart.VertexOffset, 0),
new VertexBufferBinding(group.instanceVertexBuffer, 0, 1)
);
effect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, group.InstanceCount);
}
}
private void RenderInstances(ModelMeshPart meshPart, Effect effect, Camera cam)
{
effect.Parameters["View"].SetValue(planeCam.View);
effect.Parameters["Projection"].SetValue(planeCam.Projection);
effect.Parameters["Offset"].SetValue(planeCam.Offset);
effect.Parameters["skycolor"].SetValue(Game1.Instance.gameWorld.SkyColor);
effect.Parameters["downcolor"].SetValue(Game1.Instance.gameWorld.SunColor);
Device.Indices = meshPart.IndexBuffer;
Device.SetRenderTargets(color, opacity, ambience);
Device.Clear(new Color(1f, 1f, 1f, 0f));
effect.CurrentTechnique = effect.Techniques["Sky"];
Device.SetVertexBuffers(
new VertexBufferBinding(meshPart.VertexBuffer, meshPart.VertexOffset, 0),
new VertexBufferBinding(instanceVertexBuffer, 0, 1)
);
effect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, 1);
effect.Parameters["View"].SetValue(cam.View);
effect.Parameters["Projection"].SetValue(cam.Projection);
effect.Parameters["Offset"].SetValue(cam.Offset);
effect.CurrentTechnique = effect.Techniques["Color"];
foreach (var group in Groups)
{
group.Update(cam);
if (group.InstanceCount == 0)
continue;
effect.Parameters["Texture"].SetValue(group.Texture);
effect.Parameters["TileCount"].SetValue(group.TileCount);
Device.SetVertexBuffers(
new VertexBufferBinding(meshPart.VertexBuffer, meshPart.VertexOffset, 0),
new VertexBufferBinding(group.instanceVertexBuffer, 0, 1)
);
effect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, group.InstanceCount);
}
}
private void render(ModelMeshPart meshPart, Camera cam)
{
// Set up the instance rendering effect.
Effect effect = meshPart.Effect;
RenderInstances(meshPart, effect, cam);
Device.SetVertexBuffers(
new VertexBufferBinding(meshPart.VertexBuffer, meshPart.VertexOffset, 0),
new VertexBufferBinding(instanceVertexBuffer, 0, 1)
);
effect.Parameters["View"].SetValue(planeCam.View);
effect.Parameters["Projection"].SetValue(planeCam.Projection);
effect.Parameters["Offset"].SetValue(planeCam.Offset);
RenderShadows(meshPart, effect, cam);
Device.SetRenderTarget(null);
effect.Parameters["Texture"].SetValue(color);
effect.Parameters["Ambient"].SetValue(ambience);
effect.Parameters["Ambient2"].SetValue(opacity);
effect.Parameters["Shadow"].SetValue(shadow);
effect.CurrentTechnique = effect.Techniques["Final"];
effect.CurrentTechnique.Passes[0].Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, meshPart.NumVertices, meshPart.StartIndex, meshPart.PrimitiveCount, 1);
//using (System.IO.Stream s = System.IO.File.OpenWrite("D:\\sh.png"))
// shadow.SaveAsPng(s, shadow.Width, shadow.Height);
}
public void Draw(Camera cam)
{
render(model.Meshes[0].MeshParts[0], cam);
}
