public void RenderClouds()
{
if (!TheClient.CVars.r_clouds.ValueB)
{
if (Cl_Pos.Count > 0)
{
Cl_Pos = new List <Vector3>();
Cl_Norm = new List <Vector3>();
Cl_TC = new List <Vector2>();
Cl_Ind = new List <uint>();
}
return;
}
if (ReClouds)
{
bool forceset = false;
if (Cl_VAO == -1)
{
Cl_VAO = GL.GenVertexArray();
Cl_VBO_Pos = GL.GenBuffer();
Cl_VBO_Norm = GL.GenBuffer();
Cl_VBO_TC = GL.GenBuffer();
Cl_VBO_Tang = GL.GenBuffer();
Cl_VBO_Ind = GL.GenBuffer();
Cl_VBO_Col = GL.GenBuffer();
Cl_VBO_BID1 = GL.GenBuffer();
Cl_VBO_BID2 = GL.GenBuffer();
Cl_VBO_BWE1 = GL.GenBuffer();
Cl_VBO_BWE2 = GL.GenBuffer();
forceset = true;
}
Cl_Pos.Clear();
Cl_Norm.Clear();
Cl_TC.Clear();
Cl_Ind.Clear();
foreach (Cloud cloud in Clouds)
{
Location relang = Utilities.VectorToAngles(cloud.Position - TheClient.MainWorldView.CameraPos);
Matrix4 mat = Matrix4.CreateRotationY((float)((relang.Y - 90) * Utilities.PI180))
* Matrix4.CreateRotationZ((float)(relang.Z * Utilities.PI180))
* Matrix4.CreateTranslation(ClientUtilities.Convert(cloud.Position));
for (int i = 0; i < cloud.Points.Count; i++)
{
Matrix4 pmat = Matrix4.CreateTranslation(-0.5f, -0.5f, 0f) * Matrix4.CreateScale(cloud.Sizes[i]) * mat * Matrix4.CreateTranslation(ClientUtilities.Convert(cloud.Points[i]));
Matrix4 nmat = pmat;
nmat[3, 0] = 0;
nmat[3, 1] = 0;
nmat[3, 2] = 0;
for (uint n = 0; n < 6; n++)
{
Cl_Ind.Add((uint)Cl_Ind.Count);
Cl_Col.Add(Vector4.One);
Cl_Norm.Add(Vector4.Transform(nmat, new Vector4(0, 0, 1, 1)).Xyz);
Vector4 p = Vector4.Transform(new Vector4(Cl_Vecer[n], 1f), pmat);
Cl_Pos.Add(p.Xyz / p.W);
Cl_TC.Add(Cl_TCer[n]);
}
}
}
Vector3[] pos = Cl_Pos.ToArray();
Vector3[] norm = Cl_Norm.ToArray();
Vector2[] tc = Cl_TC.ToArray();
Vector3[] tang = VBO.TangentsFor(pos, norm, tc);
Vector4[] col = Cl_Col.ToArray();
uint[] ind = Cl_Ind.ToArray();
Vector4[] bdata = new Vector4[pos.Length];
for (int i = 0; i < bdata.Length; i++)
{
bdata[i] = new Vector4(0f, 0f, 0f, 0f);
}
BufferUsageHint BufferMode = BufferUsageHint.StreamDraw;
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Pos);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(pos.Length * Vector3.SizeInBytes), pos, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Norm);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(norm.Length * Vector3.SizeInBytes), norm, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_TC);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(tc.Length * Vector2.SizeInBytes), tc, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Tang);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(tang.Length * Vector3.SizeInBytes), tang, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Col);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(col.Length * Vector4.SizeInBytes), col, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BWE1);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(bdata.Length * Vector4.SizeInBytes), bdata, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BID1);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(bdata.Length * Vector4.SizeInBytes), bdata, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BWE2);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(bdata.Length * Vector4.SizeInBytes), bdata, BufferMode);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BID2);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(bdata.Length * Vector4.SizeInBytes), bdata, BufferMode);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, Cl_VBO_Ind);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(ind.Length * sizeof(uint)), ind, BufferMode);
if (forceset)
{
GL.BindVertexArray(Cl_VAO);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Pos);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Norm);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_TC);
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Tang);
GL.VertexAttribPointer(3, 3, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_Col);
GL.VertexAttribPointer(4, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BWE1);
GL.VertexAttribPointer(5, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BID1);
GL.VertexAttribPointer(6, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BWE2);
GL.VertexAttribPointer(7, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, Cl_VBO_BID2);
GL.VertexAttribPointer(8, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.EnableVertexAttribArray(0);
GL.EnableVertexAttribArray(1);
GL.EnableVertexAttribArray(2);
GL.EnableVertexAttribArray(3);
GL.EnableVertexAttribArray(4);
GL.EnableVertexAttribArray(5);
GL.EnableVertexAttribArray(6);
GL.EnableVertexAttribArray(7);
GL.EnableVertexAttribArray(8);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, Cl_VBO_Ind);
}
//ReClouds = false;
}
TheClient.SetEnts();
TheClient.Textures.GetTexture("effects/clouds/cloud1").Bind(); // TODO: Cache!
TheClient.MainWorldView.SetMatrix(2, Matrix4d.Identity);
Matrix4 identity = Matrix4.Identity;
GL.UniformMatrix4(40, false, ref identity);
GL.BindVertexArray(Cl_VAO);
GL.DrawElements(PrimitiveType.Triangles, Cl_Ind.Count, DrawElementsType.UnsignedInt, IntPtr.Zero);
}
