public void UpdatePerFrameResources(GraphicsDevice gd, CommandList cl, GraphicsSystem sc)
{
WorldAndInverse wai;
wai.World = _transform.GetTransformMatrix();
wai.InverseWorld = VdUtilities.CalculateInverseTranspose(ref wai.World);
gd.UpdateBuffer(_worldAndInverseBuffer, 0, ref wai);
}
// modifies projection matrix in place
// clipPlane is in camera space
public static void CalculateObliqueMatrixPerspective(ref Matrix4x4 projection, Matrix4x4 view, Plane clipPlane)
{
Matrix4x4 invTransposeView = VdUtilities.CalculateInverseTranspose(view);
Vector4 clipV4 = new Vector4(clipPlane.Normal, clipPlane.D);
clipV4 = Vector4.Transform(clipV4, invTransposeView);
Vector4 q = new Vector4(
(Math.Sign(clipV4.X) + projection.M13) / projection.M11,
(Math.Sign(clipV4.Y) + projection.M23) / projection.M22,
-1f,
(1 + projection.M33) / projection.M34);
Vector4 c = clipV4 * (1f / Vector4.Dot(clipV4, q));
projection.M31 = c.X;
projection.M32 = c.Y;
projection.M33 = c.Z;
projection.M34 = c.W;
}
public void Render(GraphicsDevice gd, CommandList cl, SceneContext sc, RenderPasses renderPass, SpriteModelResourceContainer modelResource, ref SpriteModelRenderData renderData)
{
if (renderData.Shared.RenderMode == RenderMode.Glow)
{
renderData.Shared.RenderAmount = GlowBlend(ref renderData.Shared, sc.ViewState);
}
//Don't render if blend is 0 (even if blend were ignored below)
if (renderData.Shared.RenderAmount == 0)
{
return;
}
var blend = renderData.Shared.RenderMode != RenderMode.Normal ? renderData.Shared.RenderAmount : 255;
//TODO: glow sprite visibility testing
var angles = GetSpriteAngles(ref renderData.Shared, modelResource.SpriteModel.SpriteFile.Type, sc.ViewState);
angles = VectorUtils.ToRadians(angles);
var wai = new WorldAndInverse();
var anglesWithoutYaw = angles;
anglesWithoutYaw.Y = 0;
wai.World = Matrix4x4.CreateScale(renderData.Shared.Scale)
* WorldAndInverse.CreateRotationMatrix(anglesWithoutYaw)
* WorldAndInverse.CreateRotationMatrix(new Vector3(0, angles.Y, 0))
* Matrix4x4.CreateTranslation(renderData.Shared.Origin);
wai.InverseWorld = VdUtilities.CalculateInverseTranspose(ref wai.World);
//var wai = new WorldAndInverse(renderData.Origin, angles, renderData.Scale);
sc.UpdateWorldAndInverseBuffer(cl, ref wai);
var alpha = 255;
switch (renderData.Shared.RenderMode)
{
case RenderMode.Normal:
case RenderMode.TransTexture:
case RenderMode.TransAlpha:
alpha = blend;
break;
}
var renderColor = new Vector4(CalculateSpriteColor(ref renderData.Shared, blend), alpha) / 255.0f;
cl.UpdateBuffer(modelResource.RenderColorBuffer, 0, ref renderColor);
renderData.Frame = Math.Clamp((int)renderData.Frame, 0, modelResource.VertexBuffers.Length - 1);
var frameBuffer = modelResource.VertexBuffers[(int)renderData.Frame];
var pipeline = Pipelines[renderData.Shared.RenderMode];
cl.SetVertexBuffer(0, frameBuffer);
cl.SetIndexBuffer(modelResource.IndexBuffer, IndexFormat.UInt16);
cl.SetPipeline(pipeline);
cl.SetGraphicsResourceSet(0, modelResource.ResourceSet);
cl.DrawIndexed((uint)SPRResourceUtils.Indices.Length, 1, 0, 0, 0);
}
