private static void TransformVertex(List <Bone> bones, List <GLNode> nodes, Vector3 position, Vector3 normal, ref Vector3 newPosition, ref Vector3 newNormal, float weight, byte boneIndex)
{
var bone = bones[boneIndex];
var boneNode = nodes[bone.NodeIndex];
var bindMatrix = boneNode.WorldTransform;
newPosition += Vector3.Transform(Vector3.Transform(position, bone.InverseBindMatrix),
bindMatrix * weight);
newNormal += Vector3.TransformNormal(Vector3.TransformNormal(normal, bone.InverseBindMatrix),
bindMatrix * weight);
}
public static void DrawRoadmap(this IDebugCanvas debugCanvas, MotionRoadmap roadmap, MovementComponent movementComponent = null)
{
var skip = movementComponent?.PathingRoadmapProgressIndex ?? 0;
foreach (var(i, action) in roadmap.Plan.Skip(skip).Enumerate())
{
switch (action)
{
case MotionRoadmapWalkAction walk:
debugCanvas.Transform = Matrix4x4.Identity;
var s = i == 0 && movementComponent != null
? movementComponent.WorldPosition
: Vector3.Transform(new Vector3(walk.Source.X, walk.Source.Y, 0), walk.Node.SectorNodeDescription.WorldTransform).ToOpenMobaVector();
var t = Vector3.Transform(new Vector3(walk.Destination.X, walk.Destination.Y, 0), walk.Node.SectorNodeDescription.WorldTransform).ToOpenMobaVector();
// Console.WriteLine("S: " + s + "\t AND T: " + t);
// for (var i = 0; i < 100; i++) {
// debugCanvas.DrawPoint((s * (100 - i) + t * i) / 100, new StrokeStyle(Color.Cyan, 50));
// }
debugCanvas.DrawLine(s, t, PathStroke);
break;
}
}
}
public static Vector3 Rotate(Vector3 v, Quaternion q)
{
return(Vector3.Transform(v, q));
}
private Vector3 CalculateCameraOrbitPosition()
{
return(Vector3.Transform(new Vector3(0.0f, 0.0f, mOrbitDistance),
Matrix4x4.CreateRotationX(MathHelper.DegreesToRadians(mOrbitRotation.Y)) *
Matrix4x4.CreateRotationY(MathHelper.DegreesToRadians(mOrbitRotation.X))));
}
void RenderDeferredPathway()
{
var screenDim = vec2(Width, Height) / 2;
var projView = FpsCamera.Matrix * ProjectionMat;
Matrix4x4.Invert(projView, out var invProjView);
Vector2 screenPos(Vector3 wpos)
{
var ipos = Vector4.Transform(vec4(wpos, 1), projView);
return((ipos.XY() / ipos.W).Add(1) * screenDim);
}
Profile("- G-buffer render", () => {
GL.Viewport(0, 0, Width, Height);
FBO.Bind();
GL.ClearColor(0, 0, 0, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.DepthTest);
GL.Disable(EnableCap.Blend);
Mesh.SetProjectionView(projView);
Models.ForEach(model => model.Draw(translucent: false));
FrameBuffer.Unbind();
GL.Flush();
});
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
const int tileSize = 256;
var tw = (int)Math.Ceiling((float)Width / tileSize);
var th = (int)Math.Ceiling((float)Height / tileSize);
IReadOnlyList <IEnumerable <(double Dist, PointLight Light)> > tiles = null;
Profile("- Tile determination", () => {
var cforward = Vector3.Transform(FpsCamera.Forward, Camera.LookRotation).Normalized();
var cp = cforward.Y != 0 || cforward.Z != 0 ? vec3(1, 0, 0) : vec3(0, 1, 0);
var perp = cforward.Cross(cp).Normalized();
var tileLists = Enumerable.Range(0, tw * th).Select(i => new List <(double Dist, PointLight Light)>()).ToArray();
foreach (var light in Lights)
{
var toLight = Camera.Position - light.Position;
var tll = toLight.Length();
if (tll > light.Radius)
{
var lspos = screenPos(light.Position);
var ppos = Camera.Position + cforward * tll;
var pradius = (screenDim - screenPos(ppos + perp * light.Radius)).Length();
if (lspos.X + pradius < 0 || lspos.Y + pradius < 0 || lspos.X - pradius > Width || lspos.Y - pradius > Height)
{
continue;
}
pradius *= pradius;
for (var x = 0; x < tw; ++x)
{
for (var y = 0; y < th; ++y)
{
var tilePos = (x * tileSize, y * tileSize);
var delta = (lspos.X - max(tilePos.Item1, min(lspos.X, tilePos.Item1 + tileSize)), lspos.Y - max(tilePos.Item2, min(lspos.Y, tilePos.Item2 + tileSize)));
if (delta.Item1 * delta.Item1 + delta.Item2 * delta.Item2 < pradius)
{
tileLists[x * th + y].Add((tll, light));
}
}
}
}
else
{
tileLists.ForEach(tile => tile.Add((tll, light)));
}
}
tiles = tileLists.Select(tile => tile.Count <= maxLights ? tile : tile.OrderBy(x => x.Item1).Take(maxLights)).ToList();
});
public GLMesh(Mesh mesh, Matrix4x4 modelMatrix, List <Bone> bones, List <GLNode> nodes, Dictionary <string, GLMaterial> materials)
{
Mesh = mesh;
var vertices = mesh.Vertices;
var normals = mesh.Normals;
if (mesh.VertexWeights != null)
{
vertices = new Vector3[mesh.VertexCount];
normals = null;
if (mesh.Normals != null)
{
normals = new Vector3[mesh.VertexCount];
}
Matrix4x4.Invert(modelMatrix, out var modelMatrixInv);
for (int i = 0; i < mesh.VertexCount; i++)
{
var position = mesh.Vertices[i];
var normal = mesh.Normals?[i] ?? Vector3.Zero;
var newPosition = Vector3.Zero;
var newNormal = Vector3.Zero;
for (int j = 0; j < 4; j++)
{
var weight = mesh.VertexWeights[i].Weights[j];
if (weight == 0)
{
continue;
}
var boneIndex = mesh.VertexWeights[i].Indices[j];
TransformVertex(bones, nodes, position, normal, ref newPosition, ref newNormal, weight, boneIndex);
}
vertices[i] = Vector3.Transform(newPosition, modelMatrixInv);
if (normals != null)
{
normals[i] =
Vector3.Normalize(Vector3.TransformNormal(newNormal, modelMatrixInv));
}
}
}
var indices = new uint[mesh.Triangles.Length * 3];
for (int i = 0; i < mesh.Triangles.Length; i++)
{
indices[(i * 3) + 0] = mesh.Triangles[i].A;
indices[(i * 3) + 1] = mesh.Triangles[i].B;
indices[(i * 3) + 2] = mesh.Triangles[i].C;
}
VertexArray = new GLVertexArray(vertices, normals, mesh.TexCoordsChannel0, indices, PrimitiveType.Triangles);
// material
if (mesh.MaterialName != null && materials != null)
{
if (materials.TryGetValue(mesh.MaterialName, out var material))
{
Material = material;
}
else
{
Trace.TraceError($"Mesh referenced material \"{mesh.MaterialName}\" which does not exist in the model");
Material = new GLMaterial();
}
}
else
{
Material = new GLMaterial();
}
IsVisible = true;
}