public void Draw(Shader shader)
{
shader.Use();
for (int i = 0; i < this.textures.Length; ++i)
{
MeshTexture meshTex = this.textures[i];
meshTex.tex.Use(TextureUnit.Texture0 + i);
shader.SetUniform1(meshTex.shaderTexFieldName, i);
}
GL.BindVertexArray(VAO);
GL.DrawElements(PrimitiveType.Triangles, indices.Length * sizeof(uint), DrawElementsType.UnsignedInt, 0);
GL.BindVertexArray(0);
}
MeshTexture[] loadMaterialTextures(Material mat, TextureType type,
string typeName)
{
MeshTexture[] textures = new MeshTexture[mat.GetMaterialTextureCount(type)];
for (int i = 0; i < mat.GetMaterialTextureCount(type); i++)
{
TextureSlot textureSlot;
mat.GetMaterialTexture(type, i, out textureSlot);
string path = Path.Combine(directory, textureSlot.FilePath);
Texture texture = Texture.GetTextureFromCache(path);
if (texture == null)
{
texture = new Texture(path, OpenTK.Graphics.OpenGL4.TextureUnit.Texture0);
Texture.AddTextureToCache(path, texture);
}
MeshTexture meshTexture = new MeshTexture();
meshTexture.tex = texture;
meshTexture.shaderTexFieldName = typeName;
textures[i] = meshTexture;
}
return(textures);
}