|
public static LoadShader ( string shaderName, |
||
| shaderName | string | |
| modelArguments | ||
| return | ||
private void OnRenderModeChange(object sender, EventArgs e)
{
// Override placeholder item
if (renderModeComboBox.SelectedIndex > 0)
{
renderModeComboBox.Items[0] = "Default";
}
// Rebuild shaders with updated parameters
foreach (var obj in MeshesToRender)
{
foreach (var call in obj.DrawCalls)
{
// Recycle old shader parameters that are not render modes since we are scrapping those anyway
var arguments = call.Shader.Parameters.List.Where(arg => !arg.ParameterName.StartsWith("renderMode")).ToList();
call.Shader.Parameters.List.Clear();
call.Shader.Parameters.List.AddRange(arguments);
call.Shader.Parameters.List.Add(new ArgumentDependencies.ArgumentDependency
{
ParameterName = $"renderMode_{renderModeComboBox.SelectedItem}",
Fingerprint = 1,
});
call.Shader = ShaderLoader.LoadShader(call.Shader.Name, call.Shader.Parameters);
}
}
}
//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.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 (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 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 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);
}