public ParticleSystem(GraphicsDevice device, ContentManager content)
{
this.device = device;
// Create vertex buffer used to spawn new particles
this.particleStart = Buffer.Vertex.New <ParticleVertex>(device, MAX_NEW);
// Create vertex buffers to use for updating and drawing the particles alternatively
var vbFlags = BufferFlags.VertexBuffer | BufferFlags.StreamOutput;
this.particleDrawFrom = Buffer.New <ParticleVertex>(device, MAX_PARTICLES, vbFlags);
this.particleStreamTo = Buffer.New <ParticleVertex>(device, MAX_PARTICLES, vbFlags);
this.layout = VertexInputLayout.FromBuffer(0, this.particleStreamTo);
this.effect = content.Load <Effect>("ParticleEffect");
this.texture = content.Load <Texture2D>("Dot");
this.viewParameter = effect.Parameters["_view"];
this.projParameter = effect.Parameters["_proj"];
this.lookAtMatrixParameter = effect.Parameters["_lookAtMatrix"];
this.elapsedSecondsParameter = effect.Parameters["_elapsedSeconds"];
this.camDirParameter = effect.Parameters["_camDir"];
this.gravityParameter = effect.Parameters["_gravity"];
this.textureParameter = effect.Parameters["_texture"];
this.samplerParameter = effect.Parameters["_sampler"];
this.updatePass = effect.Techniques["UpdateTeq"].Passes[0];
this.renderPass = effect.Techniques["RenderTeq"].Passes[0];
}
private Buffer <SolidVertex> GetVertexBufferFromBoundingBox(BoundingBox box)
{
var p0 = new SolidVertex(new Vector3(box.Minimum.X, box.Minimum.Y, box.Minimum.Z));
var p1 = new SolidVertex(new Vector3(box.Maximum.X, box.Minimum.Y, box.Minimum.Z));
var p2 = new SolidVertex(new Vector3(box.Maximum.X, box.Minimum.Y, box.Maximum.Z));
var p3 = new SolidVertex(new Vector3(box.Minimum.X, box.Minimum.Y, box.Maximum.Z));
var p4 = new SolidVertex(new Vector3(box.Minimum.X, box.Maximum.Y, box.Minimum.Z));
var p5 = new SolidVertex(new Vector3(box.Maximum.X, box.Maximum.Y, box.Minimum.Z));
var p6 = new SolidVertex(new Vector3(box.Maximum.X, box.Maximum.Y, box.Maximum.Z));
var p7 = new SolidVertex(new Vector3(box.Minimum.X, box.Maximum.Y, box.Maximum.Z));
var vertices = new[]
{
p4, p5, p5, p1, p1, p0, p0, p4,
p5, p6, p6, p2, p2, p1, p1, p5,
p2, p6, p6, p7, p7, p3, p3, p2,
p7, p4, p4, p0, p0, p3, p3, p7,
p7, p6, p6, p5, p5, p4, p4, p7,
p0, p1, p1, p2, p2, p3, p3, p0
};
return(Buffer.New(_device, vertices, BufferFlags.VertexBuffer, SharpDX.Direct3D11.ResourceUsage.Default));
}
protected override void OnDraw()
{
// To make sure things are in a defined state for legacy rendering...
((TombLib.Rendering.DirectX11.Dx11RenderingSwapChain)SwapChain).BindForce();
((TombLib.Rendering.DirectX11.Dx11RenderingDevice)Device).ResetState();
_device.SetDepthStencilState(_device.DepthStencilStates.Default);
_device.SetRasterizerState(_device.RasterizerStates.CullBack);
_device.SetBlendState(_device.BlendStates.Opaque);
Matrix4x4 viewProjection = Camera.GetViewProjectionMatrix(ClientSize.Width, ClientSize.Height);
Effect solidEffect = _deviceManager.___LegacyEffects["Solid"];
if (Static != null)
{
var model = _wadRenderer.GetStatic(Static);
var effect = _deviceManager.___LegacyEffects["StaticModel"];
var world = GizmoTransform;
effect.Parameters["ModelViewProjection"].SetValue((world * viewProjection).ToSharpDX());
effect.Parameters["Color"].SetValue(Vector4.One);
effect.Parameters["Texture"].SetResource(_wadRenderer.Texture);
effect.Parameters["TextureSampler"].SetResource(_device.SamplerStates.Default);
for (int i = 0; i < model.Meshes.Count; i++)
{
var mesh = model.Meshes[i];
_device.SetVertexBuffer(0, mesh.VertexBuffer);
_device.SetIndexBuffer(mesh.IndexBuffer, true);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, mesh.VertexBuffer));
effect.Parameters["ModelViewProjection"].SetValue((world * viewProjection).ToSharpDX());
effect.Techniques[0].Passes[0].Apply();
foreach (var submesh in mesh.Submeshes)
{
_device.Draw(PrimitiveType.TriangleList, submesh.Value.NumIndices, submesh.Value.BaseIndex);
}
//foreach (var submesh in mesh.Submeshes)
// _device.DrawIndexed(PrimitiveType.TriangleList, submesh.Value.NumIndices, submesh.Value.MeshBaseIndex);
}
_device.SetRasterizerState(_rasterizerWireframe);
// Draw boxes
if (DrawVisibilityBox || DrawCollisionBox)
{
if (DrawVisibilityBox)
{
_vertexBufferVisibility?.Dispose();
_vertexBufferVisibility = GetVertexBufferFromBoundingBox(Static.VisibilityBox);
_device.SetVertexBuffer(_vertexBufferVisibility);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, _vertexBufferVisibility));
_device.SetIndexBuffer(null, false);
solidEffect.Parameters["ModelViewProjection"].SetValue(viewProjection.ToSharpDX());
solidEffect.Parameters["Color"].SetValue(new Vector4(0.0f, 1.0f, 0.0f, 1.0f));
solidEffect.CurrentTechnique.Passes[0].Apply();
_device.Draw(PrimitiveType.LineList, _vertexBufferVisibility.ElementCount);
}
if (DrawCollisionBox)
{
_vertexBufferCollision?.Dispose();
_vertexBufferCollision = GetVertexBufferFromBoundingBox(Static.CollisionBox);
_device.SetVertexBuffer(_vertexBufferCollision);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, _vertexBufferCollision));
_device.SetIndexBuffer(null, false);
solidEffect.Parameters["ModelViewProjection"].SetValue(viewProjection.ToSharpDX());
solidEffect.Parameters["Color"].SetValue(new Vector4(1.0f, 0.0f, 0.0f, 1.0f));
solidEffect.CurrentTechnique.Passes[0].Apply();
_device.Draw(PrimitiveType.LineList, _vertexBufferCollision.ElementCount);
}
}
// Draw normals
if (DrawNormals)
{
var lines = new List <SolidVertex>();
for (int i = 0; i < Static.Mesh.VerticesNormals.Count; i++)
{
var p = Vector3.Transform(Static.Mesh.VerticesPositions[i], world);
var n = Vector3.TransformNormal(Static.Mesh.VerticesNormals[i] /
Static.Mesh.VerticesNormals[i].Length(), world);
var v = new SolidVertex();
v.Position = p;
v.Color = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
lines.Add(v);
v = new SolidVertex();
v.Position = p + n * 256.0f;
v.Color = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
lines.Add(v);
}
Buffer <SolidVertex> bufferLines = Buffer.New(_device, lines.ToArray(), BufferFlags.VertexBuffer, SharpDX.Direct3D11.ResourceUsage.Default);
_device.SetVertexBuffer(bufferLines);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, bufferLines));
_device.SetIndexBuffer(null, false);
solidEffect.Parameters["ModelViewProjection"].SetValue(viewProjection.ToSharpDX());
solidEffect.Parameters["Color"].SetValue(new Vector4(1.0f, 1.0f, 1.0f, 1.0f));
solidEffect.CurrentTechnique.Passes[0].Apply();
_device.Draw(PrimitiveType.LineList, bufferLines.ElementCount);
}
}
if (DrawGrid)
{
_device.SetRasterizerState(_rasterizerWireframe);
// Draw the grid
_device.SetVertexBuffer(0, _plane.VertexBuffer);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, _plane.VertexBuffer));
_device.SetIndexBuffer(_plane.IndexBuffer, true);
solidEffect.Parameters["ModelViewProjection"].SetValue(viewProjection.ToSharpDX());
solidEffect.Parameters["Color"].SetValue(Vector4.One);
solidEffect.Techniques[0].Passes[0].Apply();
_device.Draw(PrimitiveType.LineList, _plane.VertexBuffer.ElementCount);
}
if (DrawLights)
{
_device.SetRasterizerState(_rasterizerWireframe);
foreach (var light in Static.Lights)
{
// Draw the little sphere
_device.SetVertexBuffer(0, _littleSphere.VertexBuffer);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, _littleSphere.VertexBuffer));
_device.SetIndexBuffer(_littleSphere.IndexBuffer, false);
var world = Matrix4x4.CreateTranslation(light.Position);
solidEffect.Parameters["ModelViewProjection"].SetValue((world * viewProjection).ToSharpDX());
solidEffect.Parameters["Color"].SetValue(new Vector4(1.0f, 1.0f, 0.0f, 1.0f));
solidEffect.Techniques[0].Passes[0].Apply();
_device.DrawIndexed(PrimitiveType.TriangleList, _littleSphere.IndexBuffer.ElementCount);
if (SelectedLight == light)
{
_device.SetVertexBuffer(0, _sphere.VertexBuffer);
_device.SetVertexInputLayout(VertexInputLayout.FromBuffer(0, _sphere.VertexBuffer));
_device.SetIndexBuffer(_sphere.IndexBuffer, false);
world = Matrix4x4.CreateScale(light.Radius * 2.0f) * Matrix4x4.CreateTranslation(light.Position);
solidEffect.Parameters["ModelViewProjection"].SetValue((world * viewProjection).ToSharpDX());
solidEffect.Parameters["Color"].SetValue(new Vector4(0.0f, 1.0f, 0.0f, 1.0f));
solidEffect.Techniques[0].Passes[0].Apply();
_device.DrawIndexed(PrimitiveType.TriangleList, _sphere.IndexBuffer.ElementCount);
}
}
_device.SetRasterizerState(_device.RasterizerStates.CullBack);
}
if (DrawGizmo)
{
// Draw the gizmo
SwapChain.ClearDepth();
_gizmo.Draw(viewProjection);
}
if (SelectedLight != null)
{
// Draw the gizmo of selected light
SwapChain.ClearDepth();
_gizmoLight.Draw(viewProjection);
}
// Draw debug strings
((TombLib.Rendering.DirectX11.Dx11RenderingDevice)Device).ResetState(); // To make sure SharpDx.Toolkit didn't change settings.
SwapChain.RenderText(new Text
{
Font = _fontDefault,
PixelPos = new Vector2(5, 5),
Alignment = new Vector2(0, 0),
String =
"Position: " + StaticPosition +
"\nRotation: " + StaticRotation.X * (180 / Math.PI) +
"\nScale: " + StaticScale
});
}