public MaterialRenderer(RenderMaterial renderMaterial)
{
material = renderMaterial;
shader = ShaderLoader.LoadPlaneShader(material.Material.ShaderName, material.Material.GetShaderArguments());
quadVao = SetupQuadBuffer();
}
//Set up a draw call
private DrawCall CreateDrawCall(Dictionary <string, KVValue> drawProperties, uint[] vertexBuffers, uint[] indexBuffers, ArgumentDependencies modelArguments, VBIB block, Material material)
{
var drawCall = new DrawCall();
switch (drawProperties["m_nPrimitiveType"].Value.ToString())
{
case "RENDER_PRIM_TRIANGLES":
drawCall.PrimitiveType = PrimitiveType.Triangles;
break;
default:
throw new Exception("Unknown PrimitiveType in drawCall! (" + drawProperties["m_nPrimitiveType"].Value + ")");
}
drawCall.Material = material;
// Load shader
drawCall.Shader = ShaderLoader.LoadShader(drawCall.Material.Parameters.ShaderName, modelArguments);
//Bind and validate shader
GL.UseProgram(drawCall.Shader.Program);
var f = (KVObject)drawProperties["m_indexBuffer"].Value;
var indexBuffer = default(DrawBuffer);
indexBuffer.Id = Convert.ToUInt32(f.Properties["m_hBuffer"].Value);
indexBuffer.Offset = Convert.ToUInt32(f.Properties["m_nBindOffsetBytes"].Value);
drawCall.IndexBuffer = indexBuffer;
var bufferSize = block.IndexBuffers[(int)drawCall.IndexBuffer.Id].Size;
drawCall.BaseVertex = Convert.ToUInt32(drawProperties["m_nBaseVertex"].Value);
drawCall.VertexCount = Convert.ToUInt32(drawProperties["m_nVertexCount"].Value);
drawCall.StartIndex = Convert.ToUInt32(drawProperties["m_nStartIndex"].Value) * bufferSize;
drawCall.IndexCount = Convert.ToInt32(drawProperties["m_nIndexCount"].Value);
if (drawProperties.ContainsKey("m_vTintColor"))
{
var tint = (KVObject)drawProperties["m_vTintColor"].Value;
drawCall.TintColor = new Vector3(
Convert.ToSingle(tint.Properties["0"].Value),
Convert.ToSingle(tint.Properties["1"].Value),
Convert.ToSingle(tint.Properties["2"].Value));
if (!drawCall.Material.Textures.ContainsKey("g_tTintMask"))
{
drawCall.Material.Textures.Add("g_tTintMask", MaterialLoader.CreateSolidTexture(1f, 1f, 1f));
}
}
if (bufferSize == 2)
{
//shopkeeper_vr
drawCall.IndiceType = DrawElementsType.UnsignedShort;
}
else if (bufferSize == 4)
{
//glados
drawCall.IndiceType = DrawElementsType.UnsignedInt;
}
else
{
throw new Exception("Unsupported indice type");
}
var g = (KVObject)drawProperties["m_vertexBuffers"].Value;
var h = (KVObject)g.Properties["0"].Value; // TODO: Not just 0
var vertexBuffer = default(DrawBuffer);
vertexBuffer.Id = Convert.ToUInt32(h.Properties["m_hBuffer"].Value);
vertexBuffer.Offset = Convert.ToUInt32(h.Properties["m_nBindOffsetBytes"].Value);
drawCall.VertexBuffer = vertexBuffer;
GL.GenVertexArrays(1, out uint vertexArrayObject);
drawCall.VertexArrayObject = vertexArrayObject;
GL.BindVertexArray(drawCall.VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffers[drawCall.VertexBuffer.Id]);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffers[drawCall.IndexBuffer.Id]);
var curVertexBuffer = block.VertexBuffers[(int)drawCall.VertexBuffer.Id];
var texCoordNum = 0;
foreach (var attribute in curVertexBuffer.Attributes)
{
var attributeName = "v" + attribute.Name;
// TODO: other params too?
if (attribute.Name == "TEXCOORD" && texCoordNum++ > 0)
{
attributeName += texCoordNum;
}
BindVertexAttrib(attribute, attributeName, drawCall.Shader.Program, (int)curVertexBuffer.Size);
}
GL.BindVertexArray(0);
return(drawCall);
}
private void MeshControl_Load(object sender, EventArgs e)
{
meshControl.MakeCurrent();
Console.WriteLine("OpenGL version: " + GL.GetString(StringName.Version));
Console.WriteLine("OpenGL vendor: " + GL.GetString(StringName.Vendor));
Console.WriteLine("GLSL version: " + GL.GetString(StringName.ShadingLanguageVersion));
CheckOpenGL();
LoadBoundingBox();
GL.Enable(EnableCap.DepthTest);
GL.ClearColor(Settings.BackgroundColor);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
InitializeInputTick();
ActiveCamera = new Camera(tabs.Width, tabs.Height, MinBounds, MaxBounds);
Console.WriteLine("Setting up buffers..");
var vertexBuffers = new uint[block.VertexBuffers.Count];
var indexBuffers = new uint[block.IndexBuffers.Count];
GL.GenBuffers(block.VertexBuffers.Count, vertexBuffers);
GL.GenBuffers(block.IndexBuffers.Count, indexBuffers);
Console.WriteLine(block.VertexBuffers.Count + " vertex buffers");
Console.WriteLine(block.IndexBuffers.Count + " index buffers");
for (var i = 0; i < block.VertexBuffers.Count; i++)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffers[i]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(block.VertexBuffers[i].Count * block.VertexBuffers[i].Size), block.VertexBuffers[i].Buffer, BufferUsageHint.StaticDraw);
var verticeBufferSize = 0;
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out verticeBufferSize);
}
for (var i = 0; i < block.IndexBuffers.Count; i++)
{
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffers[i]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(block.IndexBuffers[i].Count * block.IndexBuffers[i].Size), block.IndexBuffers[i].Buffer, BufferUsageHint.StaticDraw);
var indiceBufferSize = 0;
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out indiceBufferSize);
}
Console.WriteLine("Pushed buffers");
//Prepare drawcalls
var a = (KVObject)data.Data.Properties["m_sceneObjects"].Value;
var b = (KVObject)a.Properties["0"].Value;
var c = (KVObject)b.Properties["m_drawCalls"].Value;
for (var i = 0; i < c.Properties.Count; i++)
{
var d = (KVObject)c.Properties[i.ToString()].Value;
var drawCall = default(DrawCall);
switch (d.Properties["m_nPrimitiveType"].Value.ToString())
{
case "RENDER_PRIM_TRIANGLES":
drawCall.PrimitiveType = PrimitiveType.Triangles;
break;
default:
throw new Exception("Unknown PrimitiveType in drawCall! (" + d.Properties["m_nPrimitiveType"].Value + ")");
}
drawCall.BaseVertex = Convert.ToUInt32(d.Properties["m_nBaseVertex"].Value);
drawCall.VertexCount = Convert.ToUInt32(d.Properties["m_nVertexCount"].Value);
drawCall.StartIndex = Convert.ToUInt32(d.Properties["m_nStartIndex"].Value);
drawCall.IndexCount = Convert.ToUInt32(d.Properties["m_nIndexCount"].Value);
drawCall.Material = MaterialLoader.GetMaterial(d.Properties["m_material"].Value.ToString(), MaxTextureMaxAnisotropy);
drawCall.MaterialID = drawCall.Material.TextureIDs["g_tColor"];
// Load shader
drawCall.Shader = ShaderLoader.LoadShaders(drawCall.Material.ShaderName, modelArguments);
//Bind and validate shader
GL.UseProgram(drawCall.Shader);
var f = (KVObject)d.Properties["m_indexBuffer"].Value;
var indexBuffer = default(DrawBuffer);
indexBuffer.Id = Convert.ToUInt32(f.Properties["m_hBuffer"].Value);
indexBuffer.Offset = Convert.ToUInt32(f.Properties["m_nBindOffsetBytes"].Value);
drawCall.IndexBuffer = indexBuffer;
if (block.IndexBuffers[(int)drawCall.IndexBuffer.Id].Size == 2)
{
//shopkeeper_vr
drawCall.IndiceType = DrawElementsType.UnsignedShort;
}
else if (block.IndexBuffers[(int)drawCall.IndexBuffer.Id].Size == 4)
{
//glados
drawCall.IndiceType = DrawElementsType.UnsignedInt;
}
else
{
throw new Exception("Unsupported indice type");
}
var g = (KVObject)d.Properties["m_vertexBuffers"].Value;
var h = (KVObject)g.Properties["0"].Value;
var vertexBuffer = default(DrawBuffer);
vertexBuffer.Id = Convert.ToUInt32(h.Properties["m_hBuffer"].Value);
vertexBuffer.Offset = Convert.ToUInt32(h.Properties["m_nBindOffsetBytes"].Value);
drawCall.VertexBuffer = vertexBuffer;
GL.GenVertexArrays(1, out drawCall.VertexArrayObject);
GL.BindVertexArray(drawCall.VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffers[drawCall.VertexBuffer.Id]);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffers[drawCall.IndexBuffer.Id]);
var curVertexBuffer = block.VertexBuffers[(int)drawCall.VertexBuffer.Id];
var texcoordSet = false;
foreach (var attribute in curVertexBuffer.Attributes)
{
switch (attribute.Name)
{
case "POSITION":
BindVertexAttrib(attribute, "vPosition", drawCall.Shader, (int)curVertexBuffer.Size);
break;
case "NORMAL":
BindVertexAttrib(attribute, "vNormal", drawCall.Shader, (int)curVertexBuffer.Size);
break;
case "TEXCOORD":
// Ignore second set of texcoords
if (texcoordSet)
{
break;
}
BindVertexAttrib(attribute, "vTexCoord", drawCall.Shader, (int)curVertexBuffer.Size);
texcoordSet = true;
break;
case "TANGENT":
BindVertexAttrib(attribute, "vTangent", drawCall.Shader, (int)curVertexBuffer.Size);
break;
case "BLENDINDICES":
BindVertexAttrib(attribute, "vBlendIndices", drawCall.Shader, (int)curVertexBuffer.Size);
break;
case "BLENDWEIGHT":
BindVertexAttrib(attribute, "vBlendWeight", drawCall.Shader, (int)curVertexBuffer.Size);
break;
}
}
if (drawCall.Material.IntParams.ContainsKey("F_ALPHA_TEST") && drawCall.Material.IntParams["F_ALPHA_TEST"] == 1)
{
GL.Enable(EnableCap.AlphaTest);
if (drawCall.Material.FloatParams.ContainsKey("g_flAlphaTestReference"))
{
var alphaReference = GL.GetUniformLocation(drawCall.Shader, "alphaReference");
GL.Uniform1(alphaReference, drawCall.Material.FloatParams["g_flAlphaTestReference"]);
}
}
if (drawCall.Material.IntParams.ContainsKey("F_TRANSLUCENT") && drawCall.Material.IntParams["F_TRANSLUCENT"] == 1)
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
GL.BindVertexArray(0);
GL.EnableVertexAttribArray(drawCall.VertexArrayObject);
drawCalls.Add(drawCall);
}
Loaded = true;
}