private static void RenderFace(ref MeshMaterial Material, VertexTemplate[] Vertices, OpenGlTextureWrapMode wrap, ref MeshFace Face, Vector3 Camera, bool IsDebugTouchMode = false)
{
// texture
if (Material.DaytimeTexture != null)
{
if (Textures.LoadTexture(Material.DaytimeTexture, wrap))
{
if (!TexturingEnabled)
{
GL.Enable(EnableCap.Texture2D);
TexturingEnabled = true;
}
if (Material.DaytimeTexture.OpenGlTextures[(int)wrap] != LastBoundTexture)
{
GL.BindTexture(TextureTarget.Texture2D, Material.DaytimeTexture.OpenGlTextures[(int)wrap].Name);
LastBoundTexture = Material.DaytimeTexture.OpenGlTextures[(int)wrap];
}
}
else
{
if (TexturingEnabled)
{
GL.Disable(EnableCap.Texture2D);
TexturingEnabled = false;
LastBoundTexture = null;
}
}
}
else
{
if (TexturingEnabled)
{
GL.Disable(EnableCap.Texture2D);
TexturingEnabled = false;
LastBoundTexture = null;
}
}
// blend mode
float factor;
if (Material.BlendMode == MeshMaterialBlendMode.Additive)
{
factor = 1.0f;
if (!BlendEnabled)
{
GL.Enable(EnableCap.Blend);
}
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
if (FogEnabled)
{
GL.Disable(EnableCap.Fog);
}
}
else if (Material.NighttimeTexture == null)
{
float blend = inv255 * (float)Material.DaytimeNighttimeBlend + 1.0f - OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
factor = 1.0f - 0.7f * blend;
}
else
{
factor = 1.0f;
}
if (Material.NighttimeTexture != null)
{
if (LightingEnabled)
{
GL.Disable(EnableCap.Lighting);
LightingEnabled = false;
}
}
else
{
if (OptionLighting & !LightingEnabled)
{
GL.Enable(EnableCap.Lighting);
LightingEnabled = true;
}
}
// render daytime polygon
int FaceType = Face.Flags & MeshFace.FaceTypeMask;
if (!IsDebugTouchMode)
{
switch (FaceType)
{
case MeshFace.FaceTypeTriangles:
GL.Begin(PrimitiveType.Triangles);
break;
case MeshFace.FaceTypeTriangleStrip:
GL.Begin(PrimitiveType.TriangleStrip);
break;
case MeshFace.FaceTypeQuads:
GL.Begin(PrimitiveType.Quads);
break;
case MeshFace.FaceTypeQuadStrip:
GL.Begin(PrimitiveType.QuadStrip);
break;
default:
GL.Begin(PrimitiveType.Polygon);
break;
}
}
else
{
GL.Begin(PrimitiveType.LineLoop);
}
if (Material.GlowAttenuationData != 0)
{
float alphafactor = (float)Glow.GetDistanceFactor(Vertices, ref Face, Material.GlowAttenuationData, World.AbsoluteCameraPosition);
if (OptionWireframe)
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, 1.0f);
}
else
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, inv255 * (float)Material.Color.A * alphafactor);
}
}
else
{
if (OptionWireframe)
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, 1.0f);
}
else
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, inv255 * (float)Material.Color.A);
}
}
if ((Material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new float[] { inv255 *(float)Material.EmissiveColor.R, inv255 * (float)Material.EmissiveColor.G, inv255 * (float)Material.EmissiveColor.B, 1.0f });
}
else
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new float[] { 0.0f, 0.0f, 0.0f, 1.0f });
}
if (Material.DaytimeTexture != null)
{
if (LightingEnabled)
{
for (int j = 0; j < Face.Vertices.Length; j++)
{
GL.Normal3(Face.Vertices[j].Normal.X, Face.Vertices[j].Normal.Y, Face.Vertices[j].Normal.Z);
GL.TexCoord2(Vertices[Face.Vertices[j].Index].TextureCoordinates.X, Vertices[Face.Vertices[j].Index].TextureCoordinates.Y);
if (Vertices[Face.Vertices[j].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)Vertices[Face.Vertices[j].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
}
}
else
{
for (int j = 0; j < Face.Vertices.Length; j++)
{
GL.TexCoord2(Vertices[Face.Vertices[j].Index].TextureCoordinates.X, Vertices[Face.Vertices[j].Index].TextureCoordinates.Y);
if (Vertices[Face.Vertices[j].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)Vertices[Face.Vertices[j].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
}
}
}
else
{
if (LightingEnabled)
{
for (int j = 0; j < Face.Vertices.Length; j++)
{
GL.Normal3(Face.Vertices[j].Normal.X, Face.Vertices[j].Normal.Y, Face.Vertices[j].Normal.Z);
if (Vertices[Face.Vertices[j].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)Vertices[Face.Vertices[j].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
}
}
else
{
for (int j = 0; j < Face.Vertices.Length; j++)
{
if (Vertices[Face.Vertices[j].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)Vertices[Face.Vertices[j].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
}
}
}
GL.End();
// render nighttime polygon
if (Material.NighttimeTexture != null && Textures.LoadTexture(Material.NighttimeTexture, wrap))
{
if (!TexturingEnabled)
{
GL.Enable(EnableCap.Texture2D);
TexturingEnabled = true;
}
if (!BlendEnabled)
{
GL.Enable(EnableCap.Blend);
}
GL.BindTexture(TextureTarget.Texture2D, Material.NighttimeTexture.OpenGlTextures[(int)wrap].Name);
LastBoundTexture = null;
GL.AlphaFunc(AlphaFunction.Greater, 0.0f);
GL.Enable(EnableCap.AlphaTest);
switch (FaceType)
{
case MeshFace.FaceTypeTriangles:
GL.Begin(PrimitiveType.Triangles);
break;
case MeshFace.FaceTypeTriangleStrip:
GL.Begin(PrimitiveType.TriangleStrip);
break;
case MeshFace.FaceTypeQuads:
GL.Begin(PrimitiveType.Quads);
break;
case MeshFace.FaceTypeQuadStrip:
GL.Begin(PrimitiveType.QuadStrip);
break;
default:
GL.Begin(PrimitiveType.Polygon);
break;
}
float alphafactor;
if (Material.GlowAttenuationData != 0)
{
alphafactor = (float)Glow.GetDistanceFactor(Vertices, ref Face, Material.GlowAttenuationData, Camera);
float blend = inv255 * (float)Material.DaytimeNighttimeBlend + 1.0f - OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
alphafactor *= blend;
}
else
{
alphafactor = inv255 * (float)Material.DaytimeNighttimeBlend + 1.0f - OptionLightingResultingAmount;
if (alphafactor > 1.0f)
{
alphafactor = 1.0f;
}
}
if (OptionWireframe)
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, 1.0f);
}
else
{
GL.Color4(inv255 * (float)Material.Color.R * factor, inv255 * Material.Color.G * factor, inv255 * (float)Material.Color.B * factor, inv255 * (float)Material.Color.A * alphafactor);
}
if ((Material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new float[] { inv255 *(float)Material.EmissiveColor.R, inv255 * (float)Material.EmissiveColor.G, inv255 * (float)Material.EmissiveColor.B, 1.0f });
}
else
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new float[] { 0.0f, 0.0f, 0.0f, 1.0f });
}
for (int j = 0; j < Face.Vertices.Length; j++)
{
GL.TexCoord2(Vertices[Face.Vertices[j].Index].TextureCoordinates.X, Vertices[Face.Vertices[j].Index].TextureCoordinates.Y);
if (Vertices[Face.Vertices[j].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)Vertices[Face.Vertices[j].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
}
GL.End();
RestoreAlphaFunc();
if (!BlendEnabled)
{
GL.Disable(EnableCap.Blend);
}
}
// normals
if (OptionNormals)
{
if (TexturingEnabled)
{
GL.Disable(EnableCap.Texture2D);
TexturingEnabled = false;
}
for (int j = 0; j < Face.Vertices.Length; j++)
{
GL.Begin(PrimitiveType.Lines);
GL.Color4(inv255 * (float)Material.Color.R, inv255 * (float)Material.Color.G, inv255 * (float)Material.Color.B, 1.0f);
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z - Camera.Z));
GL.Vertex3((float)(Vertices[Face.Vertices[j].Index].Coordinates.X + Face.Vertices[j].Normal.X - Camera.X), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Y + Face.Vertices[j].Normal.Y - Camera.Y), (float)(Vertices[Face.Vertices[j].Index].Coordinates.Z + Face.Vertices[j].Normal.Z - Camera.Z));
GL.End();
}
}
// finalize
if (Material.BlendMode == MeshMaterialBlendMode.Additive)
{
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
if (!BlendEnabled)
{
GL.Disable(EnableCap.Blend);
}
if (FogEnabled)
{
GL.Enable(EnableCap.Fog);
}
}
}
public void RenderFaceImmediateMode(ObjectState State, MeshFace Face, bool IsDebugTouchMode = false)
{
if (State.Prototype.Mesh.Vertices.Length < 1)
{
return;
}
VertexTemplate[] vertices = State.Prototype.Mesh.Vertices;
MeshMaterial material = State.Prototype.Mesh.Materials[Face.Material];
if (!OptionBackFaceCulling || (Face.Flags & MeshFace.Face2Mask) != 0)
{
GL.Disable(EnableCap.CullFace);
}
else if (OptionBackFaceCulling)
{
if ((Face.Flags & MeshFace.Face2Mask) == 0)
{
GL.Enable(EnableCap.CullFace);
}
}
Matrix4D modelMatrix = State.ModelMatrix * Camera.TranslationMatrix;
// matrix
unsafe
{
GL.MatrixMode(MatrixMode.Projection);
GL.PushMatrix();
fixed(double *matrixPointer = &CurrentProjectionMatrix.Row0.X)
{
GL.LoadMatrix(matrixPointer);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.PushMatrix();
fixed(double *matrixPointer = &CurrentViewMatrix.Row0.X)
{
GL.LoadMatrix(matrixPointer);
}
double *matrixPointer2 = &modelMatrix.Row0.X;
{
GL.MultMatrix(matrixPointer2);
}
GL.MatrixMode(MatrixMode.Texture);
GL.PushMatrix();
fixed(double *matrixPointer = &State.TextureTranslation.Row0.X)
{
GL.LoadMatrix(matrixPointer);
}
}
if (OptionWireFrame)
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
// lighting
if (material.NighttimeTexture == null)
{
if (OptionLighting)
{
GL.Enable(EnableCap.Lighting);
}
}
if ((material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new Color4(material.EmissiveColor.R, material.EmissiveColor.G, material.EmissiveColor.B, 255));
}
else
{
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Emission, new Color4(0.0f, 0.0f, 0.0f, 1.0f));
}
// fog
if (OptionFog)
{
GL.Enable(EnableCap.Fog);
}
PrimitiveType DrawMode;
switch (Face.Flags & MeshFace.FaceTypeMask)
{
case MeshFace.FaceTypeTriangles:
DrawMode = PrimitiveType.Triangles;
break;
case MeshFace.FaceTypeTriangleStrip:
DrawMode = PrimitiveType.TriangleStrip;
break;
case MeshFace.FaceTypeQuads:
DrawMode = PrimitiveType.Quads;
break;
case MeshFace.FaceTypeQuadStrip:
DrawMode = PrimitiveType.QuadStrip;
break;
default:
DrawMode = PrimitiveType.Polygon;
break;
}
// daytime polygon
{
// texture
if (material.DaytimeTexture != null)
{
if (currentHost.LoadTexture(material.DaytimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
GL.Enable(EnableCap.Texture2D);
if (LastBoundTexture != material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode])
{
GL.BindTexture(TextureTarget.Texture2D, material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
LastBoundTexture = material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode];
}
}
}
// blend mode
float factor;
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
factor = 1.0f;
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
GL.Disable(EnableCap.Fog);
}
else if (material.NighttimeTexture == null)
{
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
factor = 1.0f - 0.7f * blend;
}
else
{
factor = 1.0f;
}
float alphaFactor;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, vertices, ref Face, material.GlowAttenuationData);
}
else
{
alphaFactor = 1.0f;
}
GL.Begin(DrawMode);
if (OptionWireFrame)
{
GL.Color4(inv255 * material.Color.R * factor, inv255 * material.Color.G * factor, inv255 * material.Color.B * factor, 1.0f);
}
else
{
GL.Color4(inv255 * material.Color.R * factor, inv255 * material.Color.G * factor, inv255 * material.Color.B * factor, inv255 * material.Color.A * alphaFactor);
}
for (int i = 0; i < Face.Vertices.Length; i++)
{
GL.Normal3(Face.Vertices[i].Normal.X, Face.Vertices[i].Normal.Y, -Face.Vertices[i].Normal.Z);
GL.TexCoord2(vertices[Face.Vertices[i].Index].TextureCoordinates.X, vertices[Face.Vertices[i].Index].TextureCoordinates.Y);
if (vertices[Face.Vertices[i].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)vertices[Face.Vertices[i].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3(vertices[Face.Vertices[i].Index].Coordinates.X, vertices[Face.Vertices[i].Index].Coordinates.Y, -vertices[Face.Vertices[i].Index].Coordinates.Z);
}
GL.End();
}
// nighttime polygon
if (material.NighttimeTexture != null && currentHost.LoadTexture(material.NighttimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
// texture
GL.Enable(EnableCap.Texture2D);
if (LastBoundTexture != material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode])
{
GL.BindTexture(TextureTarget.Texture2D, material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
LastBoundTexture = material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode];
}
GL.Enable(EnableCap.Blend);
// alpha test
GL.Enable(EnableCap.AlphaTest);
GL.AlphaFunc(AlphaFunction.Greater, 0.0f);
// blend mode
float alphaFactor;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, vertices, ref Face, material.GlowAttenuationData);
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
alphaFactor *= blend;
}
else
{
alphaFactor = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (alphaFactor > 1.0f)
{
alphaFactor = 1.0f;
}
}
GL.Begin(DrawMode);
if (OptionWireFrame)
{
GL.Color4(inv255 * material.Color.R, inv255 * material.Color.G, inv255 * material.Color.B, 1.0f);
}
else
{
GL.Color4(inv255 * material.Color.R, inv255 * material.Color.G, inv255 * material.Color.B, inv255 * material.Color.A * alphaFactor);
}
for (int i = 0; i < Face.Vertices.Length; i++)
{
GL.Normal3(Face.Vertices[i].Normal.X, Face.Vertices[i].Normal.Y, -Face.Vertices[i].Normal.Z);
GL.TexCoord2(vertices[Face.Vertices[i].Index].TextureCoordinates.X, vertices[Face.Vertices[i].Index].TextureCoordinates.Y);
if (vertices[Face.Vertices[i].Index] is ColoredVertex)
{
ColoredVertex v = (ColoredVertex)vertices[Face.Vertices[i].Index];
GL.Color3(v.Color.R, v.Color.G, v.Color.B);
}
GL.Vertex3(vertices[Face.Vertices[i].Index].Coordinates.X, vertices[Face.Vertices[i].Index].Coordinates.Y, -vertices[Face.Vertices[i].Index].Coordinates.Z);
}
GL.End();
RestoreBlendFunc();
RestoreAlphaFunc();
}
GL.Disable(EnableCap.Texture2D);
// normals
if (OptionNormals)
{
for (int i = 0; i < Face.Vertices.Length; i++)
{
GL.Begin(PrimitiveType.Lines);
GL.Color4(new Color4(material.Color.R, material.Color.G, material.Color.B, 255));
GL.Vertex3(vertices[Face.Vertices[i].Index].Coordinates.X, vertices[Face.Vertices[i].Index].Coordinates.Y, -vertices[Face.Vertices[i].Index].Coordinates.Z);
GL.Vertex3(vertices[Face.Vertices[i].Index].Coordinates.X + Face.Vertices[i].Normal.X, vertices[Face.Vertices[i].Index].Coordinates.Y + +Face.Vertices[i].Normal.Z, -(vertices[Face.Vertices[i].Index].Coordinates.Z + Face.Vertices[i].Normal.Z));
GL.End();
}
}
// finalize
if (OptionWireFrame)
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
RestoreBlendFunc();
}
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Modelview);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Projection);
GL.PopMatrix();
}
public void RenderFace(Shader Shader, ObjectState State, MeshFace Face, Matrix4D modelMatrix, Matrix4D modelViewMatrix, bool IsDebugTouchMode = false)
{
if (State.Prototype.Mesh.Vertices.Length < 1)
{
return;
}
MeshMaterial material = State.Prototype.Mesh.Materials[Face.Material];
VertexArrayObject VAO = (VertexArrayObject)State.Prototype.Mesh.VAO;
if (lastVAO != VAO.handle)
{
VAO.Bind();
lastVAO = VAO.handle;
}
if (!OptionBackFaceCulling || (Face.Flags & MeshFace.Face2Mask) != 0)
{
GL.Disable(EnableCap.CullFace);
}
else if (OptionBackFaceCulling)
{
if ((Face.Flags & MeshFace.Face2Mask) == 0)
{
GL.Enable(EnableCap.CullFace);
}
}
// matrix
Shader.SetCurrentModelViewMatrix(modelViewMatrix);
Shader.SetCurrentTextureMatrix(State.TextureTranslation);
if (OptionWireFrame || IsDebugTouchMode)
{
if (material.Color != lastColor)
{
Shader.SetMaterialAmbient(material.Color);
lastColor = material.Color;
}
Shader.SetOpacity(1.0f);
Shader.SetBrightness(1.0f);
VAO.Draw(PrimitiveType.LineLoop, Face.IboStartIndex, Face.Vertices.Length);
return;
}
// lighting
if (OptionLighting)
{
if (material.Color != lastColor)
{
Shader.SetMaterialAmbient(material.Color);
Shader.SetMaterialDiffuse(material.Color);
Shader.SetMaterialSpecular(material.Color);
//TODO: Ambient and specular colors are not set by any current parsers
}
if ((material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
Shader.SetMaterialEmission(material.EmissiveColor);
Shader.SetMaterialEmissive(true);
}
else
{
Shader.SetMaterialEmissive(false);
}
Shader.SetMaterialShininess(1.0f);
}
else
{
if (material.Color != lastColor)
{
Shader.SetMaterialAmbient(material.Color);
}
//As lighting is disabled, the face cannot be emitting light....
Shader.SetMaterialEmissive(false);
}
lastColor = material.Color;
PrimitiveType DrawMode;
switch (Face.Flags & MeshFace.FaceTypeMask)
{
case MeshFace.FaceTypeTriangles:
DrawMode = PrimitiveType.Triangles;
break;
case MeshFace.FaceTypeTriangleStrip:
DrawMode = PrimitiveType.TriangleStrip;
break;
case MeshFace.FaceTypeQuads:
DrawMode = PrimitiveType.Quads;
break;
case MeshFace.FaceTypeQuadStrip:
DrawMode = PrimitiveType.QuadStrip;
break;
default:
DrawMode = PrimitiveType.Polygon;
break;
}
// daytime polygon
{
// texture
if (material.DaytimeTexture != null && currentHost.LoadTexture(material.DaytimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
Shader.SetIsTexture(true);
if (LastBoundTexture != material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode])
{
GL.BindTexture(TextureTarget.Texture2D,
material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
LastBoundTexture = material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode];
}
}
else
{
Shader.SetIsTexture(false);
}
// Calculate the brightness of the poly to render
float factor;
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
//Additive blending- Full brightness
factor = 1.0f;
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
Shader.SetIsFog(false);
}
else if ((material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
//As material is emitting light, it must be at full brightness
factor = 1.0f;
}
else if (material.NighttimeTexture == null || material.NighttimeTexture == material.DaytimeTexture)
{
//No nighttime texture or both are identical- Darken the polygon to match the light conditions
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
factor = 1.0f - 0.7f * blend;
}
else
{
//Valid nighttime texture- Blend the two textures by DNB at max brightness
factor = 1.0f;
}
Shader.SetBrightness(factor);
float alphaFactor;
GlowAttenuationMode mode = GlowAttenuationMode.None;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, State.Prototype.Mesh.Vertices, ref Face, material.GlowAttenuationData, out mode);
}
else
{
alphaFactor = 1.0f;
}
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
Shader.SetMaterialAdditive(1 + (int)mode);
}
else
{
Shader.SetMaterialAdditive(0);
}
Shader.SetOpacity(inv255 * material.Color.A * alphaFactor);
// render polygon
VAO.Draw(DrawMode, Face.IboStartIndex, Face.Vertices.Length);
}
// nighttime polygon
if (material.NighttimeTexture != null && material.NighttimeTexture != material.DaytimeTexture && currentHost.LoadTexture(material.NighttimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
// texture
Shader.SetIsTexture(true);
if (LastBoundTexture != material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode])
{
GL.BindTexture(TextureTarget.Texture2D, material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
LastBoundTexture = material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode];
}
GL.Enable(EnableCap.Blend);
// alpha test
GL.Enable(EnableCap.AlphaTest);
GL.AlphaFunc(AlphaFunction.Greater, 0.0f);
// blend mode
float alphaFactor;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, State.Prototype.Mesh.Vertices, ref Face, material.GlowAttenuationData);
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
alphaFactor *= blend;
}
else
{
alphaFactor = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (alphaFactor > 1.0f)
{
alphaFactor = 1.0f;
}
}
Shader.SetOpacity(inv255 * material.Color.A * alphaFactor);
// render polygon
VAO.Draw(DrawMode, Face.IboStartIndex, Face.Vertices.Length);
RestoreBlendFunc();
RestoreAlphaFunc();
}
// normals
if (OptionNormals)
{
Shader.SetIsTexture(false);
Shader.SetBrightness(1.0f);
Shader.SetOpacity(1.0f);
VertexArrayObject NormalsVAO = (VertexArrayObject)State.Prototype.Mesh.NormalsVAO;
NormalsVAO.Bind();
lastVAO = NormalsVAO.handle;
NormalsVAO.Draw(PrimitiveType.Lines, Face.NormalsIboStartIndex, Face.Vertices.Length * 2);
}
// finalize
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
RestoreBlendFunc();
Shader.SetIsFog(OptionFog);
}
}
public void RenderFace(Shader Shader, ObjectState State, MeshFace Face, Vector3 EyePosition, bool IsDebugTouchMode = false)
{
if (State.Prototype.Mesh.Vertices.Length < 1)
{
return;
}
VertexTemplate[] vertices = State.Prototype.Mesh.Vertices;
MeshMaterial material = State.Prototype.Mesh.Materials[Face.Material];
VertexArrayObject VAO = (VertexArrayObject)State.Prototype.Mesh.VAO;
VertexArrayObject NormalsVAO = (VertexArrayObject)State.Prototype.Mesh.NormalsVAO;
if (!OptionBackFaceCulling || (Face.Flags & MeshFace.Face2Mask) != 0)
{
GL.Disable(EnableCap.CullFace);
}
else if (OptionBackFaceCulling)
{
if ((Face.Flags & MeshFace.Face2Mask) == 0)
{
GL.Enable(EnableCap.CullFace);
}
}
// matrix
Matrix4D modelMatrix = State.Scale * State.Rotate * State.Translation * Matrix4D.CreateTranslation(-EyePosition);
Matrix4D modelViewMatrix = modelMatrix * CurrentViewMatrix;
Shader.SetCurrentProjectionMatrix(CurrentProjectionMatrix);
Shader.SetCurrentModelViewMatrix(modelViewMatrix);
Shader.SetCurrentNormalMatrix(Matrix4D.Transpose(Matrix4D.Invert(modelViewMatrix)));
Shader.SetCurrentTextureMatrix(State.TextureTranslation);
if (OptionWireFrame || IsDebugTouchMode)
{
VAO.Bind();
VAO.Draw(Shader.VertexLayout, PrimitiveType.LineLoop, Face.IboStartIndex, Face.Vertices.Length);
VAO.UnBind();
return;
}
// lighting
if (material.NighttimeTexture == null)
{
if (OptionLighting)
{
Shader.SetIsLight(true);
Shader.SetLightPosition(new Vector3(Lighting.OptionLightPosition.X, Lighting.OptionLightPosition.Y, -Lighting.OptionLightPosition.Z));
Shader.SetLightAmbient(new Color4(Lighting.OptionAmbientColor.R, Lighting.OptionAmbientColor.G, Lighting.OptionAmbientColor.B, 255));
Shader.SetLightDiffuse(new Color4(Lighting.OptionDiffuseColor.R, Lighting.OptionDiffuseColor.G, Lighting.OptionDiffuseColor.B, 255));
Shader.SetLightSpecular(new Color4(Lighting.OptionSpecularColor.R, Lighting.OptionSpecularColor.G, Lighting.OptionSpecularColor.B, 255));
Shader.SetMaterialAmbient(new Color4(material.Color.R, material.Color.G, material.Color.B, material.Color.A)); // TODO
Shader.SetMaterialDiffuse(new Color4(material.Color.R, material.Color.G, material.Color.B, material.Color.A));
Shader.SetMaterialSpecular(new Color4(material.Color.R, material.Color.G, material.Color.B, material.Color.A)); // TODO
if ((material.Flags & MeshMaterial.EmissiveColorMask) != 0)
{
Shader.SetMaterialEmission(new Color4(material.EmissiveColor.R, material.EmissiveColor.G, material.EmissiveColor.B, 255));
}
else
{
Shader.SetMaterialEmission(new Color4(0.0f, 0.0f, 0.0f, 1.0f));
}
Shader.SetMaterialShininess(1.0f);
Lighting.OptionLightingResultingAmount = (Lighting.OptionAmbientColor.R + Lighting.OptionAmbientColor.G + Lighting.OptionAmbientColor.B) / 480.0f;
if (Lighting.OptionLightingResultingAmount > 1.0f)
{
Lighting.OptionLightingResultingAmount = 1.0f;
}
}
else
{
Shader.SetMaterialAmbient(new Color4(material.Color.R, material.Color.G, material.Color.B, material.Color.A)); // TODO
}
}
else
{
Shader.SetMaterialAmbient(new Color4(material.Color.R, material.Color.G, material.Color.B, material.Color.A)); // TODO
}
// fog
if (OptionFog)
{
Shader.SetIsFog(true);
Shader.SetFogStart(Fog.Start);
Shader.SetFogEnd(Fog.End);
Shader.SetFogColor(new Color4(Fog.Color.R, Fog.Color.G, Fog.Color.B, 255));
}
PrimitiveType DrawMode;
switch (Face.Flags & MeshFace.FaceTypeMask)
{
case MeshFace.FaceTypeTriangles:
DrawMode = PrimitiveType.Triangles;
break;
case MeshFace.FaceTypeTriangleStrip:
DrawMode = PrimitiveType.TriangleStrip;
break;
case MeshFace.FaceTypeQuads:
DrawMode = PrimitiveType.Quads;
break;
case MeshFace.FaceTypeQuadStrip:
DrawMode = PrimitiveType.QuadStrip;
break;
default:
DrawMode = PrimitiveType.Polygon;
break;
}
// daytime polygon
{
// texture
if (material.DaytimeTexture != null)
{
if (currentHost.LoadTexture(material.DaytimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
GL.Enable(EnableCap.Texture2D);
Shader.SetIsTexture(true);
Shader.SetTexture(0);
GL.BindTexture(TextureTarget.Texture2D, material.DaytimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
}
}
// blend mode
float factor;
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
factor = 1.0f;
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
Shader.SetIsFog(false);
}
else if (material.NighttimeTexture == null)
{
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
factor = 1.0f - 0.7f * blend;
}
else
{
factor = 1.0f;
}
Shader.SetBrightness(factor);
float alphaFactor;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, vertices, ref Face, material.GlowAttenuationData);
}
else
{
alphaFactor = 1.0f;
}
Shader.SetOpacity(inv255 * material.Color.A * alphaFactor);
// render polygon
VAO.Bind();
VAO.Draw(Shader.VertexLayout, DrawMode, Face.IboStartIndex, Face.Vertices.Length);
VAO.UnBind();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
// nighttime polygon
if (material.NighttimeTexture != null && currentHost.LoadTexture(material.NighttimeTexture, (OpenGlTextureWrapMode)material.WrapMode))
{
// texture
GL.Enable(EnableCap.Texture2D);
Shader.SetIsTexture(true);
Shader.SetTexture(0);
GL.BindTexture(TextureTarget.Texture2D, material.NighttimeTexture.OpenGlTextures[(int)material.WrapMode].Name);
GL.Enable(EnableCap.Blend);
// alpha test
GL.Enable(EnableCap.AlphaTest);
GL.AlphaFunc(AlphaFunction.Greater, 0.0f);
// blend mode
float alphaFactor;
if (material.GlowAttenuationData != 0)
{
alphaFactor = (float)Glow.GetDistanceFactor(modelMatrix, vertices, ref Face, material.GlowAttenuationData);
float blend = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (blend > 1.0f)
{
blend = 1.0f;
}
alphaFactor *= blend;
}
else
{
alphaFactor = inv255 * material.DaytimeNighttimeBlend + 1.0f - Lighting.OptionLightingResultingAmount;
if (alphaFactor > 1.0f)
{
alphaFactor = 1.0f;
}
}
Shader.SetOpacity(alphaFactor);
// render polygon
VAO.Bind();
VAO.Draw(Shader.VertexLayout, DrawMode, Face.IboStartIndex, Face.Vertices.Length);
VAO.UnBind();
GL.BindTexture(TextureTarget.Texture2D, 0);
RestoreBlendFunc();
RestoreAlphaFunc();
}
GL.Disable(EnableCap.Texture2D);
// normals
if (OptionNormals)
{
Shader.SetIsTexture(false);
Shader.SetBrightness(1.0f);
Shader.SetOpacity(1.0f);
NormalsVAO.Bind();
NormalsVAO.Draw(Shader.VertexLayout, PrimitiveType.Lines, Face.NormalsIboStartIndex, Face.Vertices.Length * 2);
NormalsVAO.UnBind();
}
// finalize
if (material.BlendMode == MeshMaterialBlendMode.Additive)
{
RestoreBlendFunc();
}
}