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material initial and pose fix

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bird_egop
2026-06-06 21:26:56 +03:00
parent 776bb9fcb3
commit 5baf3f324f
13 changed files with 536 additions and 248 deletions
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NResUI/Rendering/Viewport/Meshes/PrimitiveMeshes.cs
+58 -210
View File
@@ -1,100 +1,42 @@
using System.Numerics;
using Silk.NET.OpenGL;
using NResUI.Rendering.Viewport;
namespace NResUI.Rendering.Viewport.Meshes;
public static unsafe class PrimitiveMeshes
{
public const int FloatsPerVertex = 11;
public static GpuMesh CreateCube(GL gl)
{
var vertices = new List<float>();
var indices = new List<uint>();
AddCubeFace(
vertices, indices,
new Vector3(-1, -1, 1),
new Vector3( 1, -1, 1),
new Vector3( 1, 1, 1),
new Vector3(-1, 1, 1),
new Vector3(0, 0, 1),
new Vector3(1, 0, 0));
AddCubeFace(
vertices, indices,
new Vector3( 1, -1, -1),
new Vector3(-1, -1, -1),
new Vector3(-1, 1, -1),
new Vector3( 1, 1, -1),
new Vector3(0, 0, -1),
new Vector3(0, 1, 0));
AddCubeFace(
vertices, indices,
new Vector3(-1, -1, -1),
new Vector3(-1, -1, 1),
new Vector3(-1, 1, 1),
new Vector3(-1, 1, -1),
new Vector3(-1, 0, 0),
new Vector3(0, 0, 1));
AddCubeFace(
vertices, indices,
new Vector3(1, -1, 1),
new Vector3(1, -1, -1),
new Vector3(1, 1, -1),
new Vector3(1, 1, 1),
new Vector3(1, 0, 0),
new Vector3(1, 1, 0));
AddCubeFace(
vertices, indices,
new Vector3(-1, 1, 1),
new Vector3( 1, 1, 1),
new Vector3( 1, 1, -1),
new Vector3(-1, 1, -1),
new Vector3(0, 1, 0),
new Vector3(1, 0, 1));
AddCubeFace(
vertices, indices,
new Vector3(-1, -1, -1),
new Vector3( 1, -1, -1),
new Vector3( 1, -1, 1),
new Vector3(-1, -1, 1),
new Vector3(0, -1, 0),
new Vector3(0, 1, 1));
AddCubeFace(vertices, indices, new(-1, -1, 1), new( 1, -1, 1), new( 1, 1, 1), new(-1, 1, 1), new(0, 0, 1), new(1, 0, 0));
AddCubeFace(vertices, indices, new( 1, -1, -1), new(-1, -1, -1), new(-1, 1, -1), new( 1, 1, -1), new(0, 0, -1), new(0, 1, 0));
AddCubeFace(vertices, indices, new(-1, -1, -1), new(-1, -1, 1), new(-1, 1, 1), new(-1, 1, -1), new(-1, 0, 0), new(0, 0, 1));
AddCubeFace(vertices, indices, new( 1, -1, 1), new( 1, -1, -1), new( 1, 1, -1), new( 1, 1, 1), new(1, 0, 0), new(1, 1, 0));
AddCubeFace(vertices, indices, new(-1, 1, 1), new( 1, 1, 1), new( 1, 1, -1), new(-1, 1, -1), new(0, 1, 0), new(1, 0, 1));
AddCubeFace(vertices, indices, new(-1, -1, -1), new( 1, -1, -1), new( 1, -1, 1), new(-1, -1, 1), new(0, -1, 0), new(0, 1, 1));
return CreateColoredIndexedMesh(gl, vertices, indices, PrimitiveType.Triangles);
}
public static GpuMesh CreateWorldGrid(
GL gl,
int halfExtent = 20,
int minorStep = 1,
int majorStep = 5)
public static GpuMesh CreateWorldGrid(GL gl, int halfExtent = 20, int minorStep = 1, int majorStep = 5)
{
if (halfExtent <= 0)
throw new ArgumentOutOfRangeException(nameof(halfExtent));
if (minorStep <= 0)
throw new ArgumentOutOfRangeException(nameof(minorStep));
if (majorStep <= 0)
throw new ArgumentOutOfRangeException(nameof(majorStep));
if (halfExtent <= 0) throw new ArgumentOutOfRangeException(nameof(halfExtent));
if (minorStep <= 0) throw new ArgumentOutOfRangeException(nameof(minorStep));
if (majorStep <= 0) throw new ArgumentOutOfRangeException(nameof(majorStep));
var vertices = new List<float>();
var indices = new List<uint>();
void AddLine(
float x0, float y0, float z0,
float x1, float y1, float z1,
float r, float g, float b)
void AddLine(float x0, float y0, float z0, float x1, float y1, float z1, float r, float g, float b)
{
var startIndex = (uint)(vertices.Count / 9);
AddVertex(vertices, x0, y0, z0, r, g, b, 0, 1, 0);
AddVertex(vertices, x1, y1, z1, r, g, b, 0, 1, 0);
var startIndex = (uint)(vertices.Count / FloatsPerVertex);
AddVertex(vertices, x0, y0, z0, r, g, b);
AddVertex(vertices, x1, y1, z1, r, g, b);
indices.Add(startIndex);
indices.Add(startIndex + 1);
}
@@ -105,135 +47,54 @@ public static unsafe class PrimitiveMeshes
{
var isAxis = i == 0;
var isMajor = i % majorStep == 0;
var brightness = isMajor ? 0.38f : 0.24f;
var r = brightness;
var g = brightness;
var b = brightness;
// Lines parallel to X. The Z axis itself is blue.
if (isAxis)
{
AddLine(-halfExtent, y, i, halfExtent, y, i, 0.25f, 0.45f, 1.0f);
}
else
{
AddLine(-halfExtent, y, i, halfExtent, y, i, r, g, b);
}
// Lines parallel to Z. The X axis itself is red.
if (isAxis)
{
AddLine(i, y, -halfExtent, i, y, halfExtent, 1.0f, 0.25f, 0.25f);
}
else
{
AddLine(i, y, -halfExtent, i, y, halfExtent, r, g, b);
}
AddLine(-halfExtent, y, i, halfExtent, y, i, isAxis ? 0.25f : r, isAxis ? 0.45f : g, isAxis ? 1.0f : b);
AddLine(i, y, -halfExtent, i, y, halfExtent, isAxis ? 1.0f : r, isAxis ? 0.25f : g, isAxis ? 0.25f : b);
}
return CreateIndexedMesh(gl, vertices.ToArray(), indices.ToArray(), PrimitiveType.Lines);
}
private static void AddCubeFace(
List<float> vertices,
List<uint> indices,
Vector3 a,
Vector3 b,
Vector3 c,
Vector3 d,
Vector3 normal,
Vector3 color)
{
var start = (uint)(vertices.Count / 9);
AddVertex(vertices, a.X, a.Y, a.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, b.X, b.Y, b.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, c.X, c.Y, c.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, d.X, d.Y, d.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
indices.Add(start + 0);
indices.Add(start + 1);
indices.Add(start + 2);
indices.Add(start + 2);
indices.Add(start + 3);
indices.Add(start + 0);
}
public static GpuMesh CreateUnitWireBox(GL gl)
{
var vertices = new List<float>();
var indices = new List<uint>();
var color = new Vector3(1.0f, 0.82f, 0.15f);
Vector3[] corners =
{
new(-1, -1, -1),
new( 1, -1, -1),
new( 1, 1, -1),
new(-1, 1, -1),
new(-1, -1, 1),
new( 1, -1, 1),
new( 1, 1, 1),
new(-1, 1, 1),
new(-1, -1, -1), new( 1, -1, -1), new( 1, 1, -1), new(-1, 1, -1),
new(-1, -1, 1), new( 1, -1, 1), new( 1, 1, 1), new(-1, 1, 1),
};
foreach (var corner in corners)
{
AddVertex(vertices, corner.X, corner.Y, corner.Z, color.X, color.Y, color.Z);
}
uint[] lineIndices =
uint[] indices =
{
0, 1, 1, 2, 2, 3, 3, 0,
4, 5, 5, 6, 6, 7, 7, 4,
0, 4, 1, 5, 2, 6, 3, 7,
};
indices.AddRange(lineIndices);
return CreateIndexedMesh(gl, vertices.ToArray(), indices.ToArray(), PrimitiveType.Lines);
}
private static void AddVertex(
List<float> vertices,
float x, float y, float z,
float r, float g, float b,
float nx = 0.0f,
float ny = 1.0f,
float nz = 0.0f)
{
vertices.Add(x);
vertices.Add(y);
vertices.Add(z);
vertices.Add(r);
vertices.Add(g);
vertices.Add(b);
vertices.Add(nx);
vertices.Add(ny);
vertices.Add(nz);
return CreateIndexedMesh(gl, vertices.ToArray(), indices, PrimitiveType.Lines);
}
public static GpuMesh CreateAxes(GL gl, float length = 1.0f)
{
if (length <= 0.0f)
throw new ArgumentOutOfRangeException(nameof(length));
if (length <= 0.0f) throw new ArgumentOutOfRangeException(nameof(length));
var vertices = new List<float>();
var indices = new List<uint>();
void AddLine(Vector3 a, Vector3 b, Vector3 color)
{
var start = (uint)(vertices.Count / 9);
var start = (uint)(vertices.Count / FloatsPerVertex);
AddVertex(vertices, a.X, a.Y, a.Z, color.X, color.Y, color.Z);
AddVertex(vertices, b.X, b.Y, b.Z, color.X, color.Y, color.Z);
indices.Add(start);
indices.Add(start + 1);
}
@@ -245,20 +106,31 @@ public static unsafe class PrimitiveMeshes
return CreateIndexedMesh(gl, vertices.ToArray(), indices.ToArray(), PrimitiveType.Lines);
}
public static GpuMesh CreateColoredIndexedMesh(
GL gl,
IReadOnlyList<float> vertices,
IReadOnlyList<uint> indices,
PrimitiveType primitiveType = PrimitiveType.Triangles)
public static GpuMesh CreateColoredIndexedMesh(GL gl, IReadOnlyList<float> vertices, IReadOnlyList<uint> indices, PrimitiveType primitiveType = PrimitiveType.Triangles, ViewportMaterial? material = null)
{
return CreateIndexedMesh(gl, vertices.ToArray(), indices.ToArray(), primitiveType);
return CreateIndexedMesh(gl, vertices.ToArray(), indices.ToArray(), primitiveType, material);
}
private static GpuMesh CreateIndexedMesh(
GL gl,
float[] vertices,
uint[] indices,
PrimitiveType primitiveType)
private static void AddCubeFace(List<float> vertices, List<uint> indices, Vector3 a, Vector3 b, Vector3 c, Vector3 d, Vector3 normal, Vector3 color)
{
var start = (uint)(vertices.Count / FloatsPerVertex);
AddVertex(vertices, a.X, a.Y, a.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, b.X, b.Y, b.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, c.X, c.Y, c.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
AddVertex(vertices, d.X, d.Y, d.Z, color.X, color.Y, color.Z, normal.X, normal.Y, normal.Z);
indices.Add(start + 0); indices.Add(start + 1); indices.Add(start + 2);
indices.Add(start + 2); indices.Add(start + 3); indices.Add(start + 0);
}
private static void AddVertex(List<float> vertices, float x, float y, float z, float r, float g, float b, float nx = 0.0f, float ny = 1.0f, float nz = 0.0f, float u = 0.0f, float v = 0.0f)
{
vertices.Add(x); vertices.Add(y); vertices.Add(z);
vertices.Add(r); vertices.Add(g); vertices.Add(b);
vertices.Add(nx); vertices.Add(ny); vertices.Add(nz);
vertices.Add(u); vertices.Add(v);
}
private static GpuMesh CreateIndexedMesh(GL gl, float[] vertices, uint[] indices, PrimitiveType primitiveType, ViewportMaterial? material = null)
{
var vao = gl.GenVertexArray();
var vbo = gl.GenBuffer();
@@ -269,55 +141,31 @@ public static unsafe class PrimitiveMeshes
gl.BindBuffer(BufferTargetARB.ArrayBuffer, vbo);
fixed (float* vertexPtr = vertices)
{
gl.BufferData(
BufferTargetARB.ArrayBuffer,
(nuint)(vertices.Length * sizeof(float)),
vertexPtr,
BufferUsageARB.StaticDraw);
gl.BufferData(BufferTargetARB.ArrayBuffer, (nuint)(vertices.Length * sizeof(float)), vertexPtr, BufferUsageARB.StaticDraw);
}
gl.BindBuffer(BufferTargetARB.ElementArrayBuffer, ebo);
fixed (uint* indexPtr = indices)
{
gl.BufferData(
BufferTargetARB.ElementArrayBuffer,
(nuint)(indices.Length * sizeof(uint)),
indexPtr,
BufferUsageARB.StaticDraw);
gl.BufferData(BufferTargetARB.ElementArrayBuffer, (nuint)(indices.Length * sizeof(uint)), indexPtr, BufferUsageARB.StaticDraw);
}
const uint stride = 9 * sizeof(float);
const uint stride = FloatsPerVertex * sizeof(float);
gl.EnableVertexAttribArray(0);
gl.VertexAttribPointer(
0,
3,
VertexAttribPointerType.Float,
false,
stride,
null);
gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, stride, null);
gl.EnableVertexAttribArray(1);
gl.VertexAttribPointer(
1,
3,
VertexAttribPointerType.Float,
false,
stride,
(void*)(3 * sizeof(float)));
gl.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, stride, (void*)(3 * sizeof(float)));
gl.EnableVertexAttribArray(2);
gl.VertexAttribPointer(
2,
3,
VertexAttribPointerType.Float,
false,
stride,
(void*)(6 * sizeof(float))
);
gl.VertexAttribPointer(2, 3, VertexAttribPointerType.Float, false, stride, (void*)(6 * sizeof(float)));
gl.EnableVertexAttribArray(3);
gl.VertexAttribPointer(3, 2, VertexAttribPointerType.Float, false, stride, (void*)(9 * sizeof(float)));
gl.BindVertexArray(0);
return new GpuMesh(gl, vao, vbo, ebo, (uint)indices.Length, primitiveType);
return new GpuMesh(gl, vao, vbo, ebo, (uint)indices.Length, primitiveType, material);
}
}