private static void DrawWithWireOverlay(Mesh meshToRender, RenderTypes renderType)
{
GLMeshTrianglePlugin glMeshPlugin = GLMeshTrianglePlugin.Get(meshToRender);
GL.Enable(EnableCap.PolygonOffsetFill);
GL.PolygonOffset(1, 1);
DrawToGL(meshToRender);
GL.Color4(0, 0, 0, 255);
GL.PolygonOffset(0, 0);
GL.Disable(EnableCap.PolygonOffsetFill);
GL.Disable(EnableCap.Lighting);
GL.DisableClientState(ArrayCap.TextureCoordArray);
GLMeshWirePlugin glWireMeshPlugin = null;
if (renderType == RenderTypes.Outlines)
{
glWireMeshPlugin = GLMeshWirePlugin.Get(meshToRender, MathHelper.Tau / 8);
}
else
{
glWireMeshPlugin = GLMeshWirePlugin.Get(meshToRender);
}
VectorPOD <WireVertexData> edegLines = glWireMeshPlugin.edgeLinesData;
GL.EnableClientState(ArrayCap.VertexArray);
#if true
unsafe
{
fixed(WireVertexData *pv = edegLines.Array)
{
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(pv));
GL.DrawArrays(BeginMode.Lines, 0, edegLines.Count);
}
}
#else
GL.InterleavedArrays(InterleavedArrayFormat.V3f, 0, edegLines.Array);
GL.DrawArrays(BeginMode.Lines, 0, edegLines.Count);
#endif
GL.DisableClientState(ArrayCap.VertexArray);
GL.Enable(EnableCap.Lighting);
}
public static void EnsureUpdated(Mesh meshToRender, Matrix4X4 transform)
{
var faces = meshToRender.Faces;
if (faces?.Count < 1)
{
return;
}
if (!meshToRender.PropertyBag.ContainsKey("Face0WorldZAngle"))
{
meshToRender.PropertyBag.Add("Face0WorldZAngle", new NormalZ());
}
var normalZ = meshToRender.PropertyBag["Face0WorldZAngle"] as NormalZ;
var face0Normal = faces[0].normal.TransformNormal(transform).GetNormal();
var error = .0001;
if (normalZ.z < face0Normal.Z - error ||
normalZ.z > face0Normal.Z + error)
{
meshToRender.MarkAsChanged();
normalZ.z = face0Normal.Z;
}
// change the color to be the right thing per face normal
GLMeshTrianglePlugin.Get(
meshToRender,
(normal) =>
{
normal = normal.TransformNormal(transform).GetNormal();
double startColor = 223.0 / 360.0;
double endColor = 5.0 / 360.0;
double delta = endColor - startColor;
var polyColor = ColorF.FromHSL(startColor, .99, .49).ToColor();
if (normal.Z < 0)
{
polyColor = ColorF.FromHSL(startColor - delta * normal.Z, .99, .49).ToColor();
}
return(polyColor);
});
}
private static void DrawToGL(Mesh meshToRender, bool isTransparent, Matrix4X4?meshToViewTransform, bool blendTexture = true, bool allowBspRendering = true)
{
if (!blendTexture)
{
// Turn off default GL_MODULATE mode
GL.TexEnv(TextureEnvironmentTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, GL_REPLACE);
}
if (meshToViewTransform != null &&
isTransparent &&
meshToRender.FaceBspTree != null &&
meshToRender.Faces.Count > 0 &&
allowBspRendering)
{
var invMeshToViewTransform = meshToViewTransform.Value;
invMeshToViewTransform.Invert();
DrawToGLZSorted(meshToRender, meshToViewTransform.Value, invMeshToViewTransform);
if (!blendTexture)
{
// Restore default GL_MODULATE mode
GL.TexEnv(TextureEnvironmentTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, GL_MODULATE);
}
return;
}
var glMeshPlugin = GLMeshTrianglePlugin.Get(meshToRender);
for (int i = 0; i < glMeshPlugin.subMeshs.Count; i++)
{
SubTriangleMesh subMesh = glMeshPlugin.subMeshs[i];
// Make sure the GLMeshPlugin has a reference to hold onto the image so it does not go away before this.
if (subMesh.texture != null)
{
if (subMesh.texture.HasTransparency)
{
GL.Enable(EnableCap.Blend);
}
var glPlugin = ImageGlPlugin.GetImageGlPlugin(subMesh.texture, true);
GL.Enable(EnableCap.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, glPlugin.GLTextureHandle);
GL.EnableClientState(ArrayCap.TextureCoordArray);
}
else
{
GL.Disable(EnableCap.Texture2D);
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
if (subMesh.UseVertexColors)
{
GL.EnableClientState(ArrayCap.ColorArray);
}
GL.EnableClientState(ArrayCap.NormalArray);
GL.EnableClientState(ArrayCap.VertexArray);
unsafe
{
fixed(VertexTextureData *pTextureData = subMesh.textureData.Array)
{
fixed(VertexColorData *pColorData = subMesh.colorData.Array)
{
fixed(VertexNormalData *pNormalData = subMesh.normalData.Array)
{
fixed(VertexPositionData *pPosition = subMesh.positionData.Array)
{
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(pPosition));
GL.NormalPointer(NormalPointerType.Float, 0, new IntPtr(pNormalData));
GL.TexCoordPointer(2, TexCordPointerType.Float, 0, new IntPtr(pTextureData));
if (pColorData != null)
{
GL.ColorPointer(3, ColorPointerType.UnsignedByte, 0, new IntPtr(pColorData));
}
GL.DrawArrays(BeginMode.Triangles, 0, subMesh.positionData.Count);
}
}
}
}
}
GL.DisableClientState(ArrayCap.NormalArray);
GL.DisableClientState(ArrayCap.VertexArray);
GL.DisableClientState(ArrayCap.TextureCoordArray);
GL.DisableClientState(ArrayCap.ColorArray);
GL.TexCoordPointer(2, TexCordPointerType.Float, 0, new IntPtr(0));
GL.ColorPointer(3, ColorPointerType.UnsignedByte, 0, new IntPtr(0));
GL.NormalPointer(NormalPointerType.Float, 0, new IntPtr(0));
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(0));
if (subMesh.texture != null)
{
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
}
if (!blendTexture)
{
// Restore default GL_MODULATE mode
GL.TexEnv(TextureEnvironmentTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, GL_MODULATE);
}
}
private static void DrawToGL(Mesh meshToRender)
{
GLMeshTrianglePlugin glMeshPlugin = GLMeshTrianglePlugin.Get(meshToRender);
for (int i = 0; i < glMeshPlugin.subMeshs.Count; i++)
{
SubTriangleMesh subMesh = glMeshPlugin.subMeshs[i];
// Make sure the GLMeshPlugin has a reference to hold onto the image so it does not go away before this.
if (subMesh.texture != null)
{
ImageGlPlugin glPlugin = ImageGlPlugin.GetImageGlPlugin(subMesh.texture, true);
GL.Enable(EnableCap.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, glPlugin.GLTextureHandle);
GL.EnableClientState(ArrayCap.TextureCoordArray);
}
else
{
GL.Disable(EnableCap.Texture2D);
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
#if true
GL.EnableClientState(ArrayCap.NormalArray);
GL.EnableClientState(ArrayCap.VertexArray);
unsafe
{
fixed(VertexTextureData *pTextureData = subMesh.textrueData.Array)
{
fixed(VertexNormalData *pNormalData = subMesh.normalData.Array)
{
fixed(VertexPositionData *pPosition = subMesh.positionData.Array)
{
GL.TexCoordPointer(2, TexCordPointerType.Float, 0, new IntPtr(pTextureData));
GL.NormalPointer(NormalPointerType.Float, 0, new IntPtr(pNormalData));
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(pPosition));
GL.DrawArrays(BeginMode.Triangles, 0, subMesh.positionData.Count);
}
}
}
}
#else
GL.InterleavedArrays(InterleavedArrayFormat.T2fN3fV3f, 0, subMesh.vertexDatas.Array);
if (subMesh.texture != null)
{
//GL.TexCoordPointer(2, TexCoordPointerType.Float, VertexData.Stride, subMesh.vertexDatas.Array);
//GL.EnableClientState(ArrayCap.TextureCoordArray);
}
else
{
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
#endif
GL.DisableClientState(ArrayCap.NormalArray);
GL.DisableClientState(ArrayCap.VertexArray);
GL.DisableClientState(ArrayCap.TextureCoordArray);
GL.TexCoordPointer(2, TexCordPointerType.Float, 0, new IntPtr(0));
GL.NormalPointer(NormalPointerType.Float, 0, new IntPtr(0));
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(0));
if (subMesh.texture != null)
{
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
}
}