internal Mesh(RendererCore rc, string name, int matidx, int[] indices, Vector3[] positions, Vector3[] normals,
Vector3[] tangents, Vector3[] bitangents, List<Vector3>[] texcoords, List<Color4>[] colors, PrimitiveType type)
{
if (rc == null || indices == null || positions == null || name == null)
{
Logger.Log.AddLogEntry(LogLevel.Fatal, "Renderer.Mesh", FreezingArcher.Core.Status.BadArgument);
throw new Exception();
}
m_MaterialIndex = matidx;
m_PrimitiveType = type;
//Init buffers
long ticks = DateTime.Now.Ticks;
m_VertexTexCoords = null;
m_VertexColors = null;
this.vertices = positions;
this.indices = indices;
m_Indices = rc.CreateIndexBuffer(indices, indices.Length * 4, RendererBufferUsage.StaticDraw, name + "_Indices_"+ticks);
m_VertexPosition = rc.CreateVertexBuffer(positions, positions.Length * 3 * 4, RendererBufferUsage.StaticDraw, name + "_Positions_"+ticks);
if (normals == null)
{
m_VertexNormal = new VertexBuffer();
//TODO: Generate simple normals!
}
else
m_VertexNormal = rc.CreateVertexBuffer(normals, normals.Length * 3 * 4, RendererBufferUsage.StreamDraw, name + "_Normals_"+ticks);
if (tangents == null || tangents.Length == 0)
{
//TODO: generate tangents
Vector3[] gen_tangents = new Vector3[positions.Length];
for (int i = 0; i < gen_tangents.Length; i++)
{
Vector3 c1 = Vector3.Cross(normals[i], Vector3.UnitZ);
Vector3 c2 = Vector3.Cross(normals[i], Vector3.UnitY);
if (c1.Length > c2.Length)
gen_tangents[i] = c1;
else
gen_tangents[i] = c2;
gen_tangents[i] = Vector3.Normalize(gen_tangents[i]);
}
tangents = gen_tangents;
}
m_VertexTangent = rc.CreateVertexBuffer(tangents, tangents.Length * 3 * 4, RendererBufferUsage.StaticDraw, name + "_Tangents_"+ticks);
if (bitangents == null || bitangents.Length == 0)
{
//TODO: generate bitangents
Vector3[] gen_bitangents = new Vector3[positions.Length];
for (int i = 0; i < gen_bitangents.Length; i++)
gen_bitangents[i] = Vector3.Normalize(Vector3.Cross(normals[i], tangents[i]));
bitangents = gen_bitangents;
}
m_VertexBiTangent = rc.CreateVertexBuffer(bitangents, bitangents.Length * 3 * 4, RendererBufferUsage.StaticDraw, name + "_BiNormals_"+ticks);
if (texcoords != null && texcoords.Length > 0)
{
int count = 0;
//check, which arrays are empty
foreach (List<Vector3> texcs in texcoords)
if (texcs.Count > 0)
count++;
m_VertexTexCoords = new VertexBuffer[count];
for (int i = 0; i < count; i++)
{
if (texcoords[i].Count > 0)
{
m_VertexTexCoords[i] =
rc.CreateVertexBuffer(texcoords[i].ToArray(), texcoords[i].ToArray().Length * 3 * 4, RendererBufferUsage.StaticDraw, name + "_TexCoord" + i + "_"+ticks);
}
}
}
if (colors != null && colors.Length > 0)
{
m_VertexColors = new VertexBuffer[colors.Length];
for (int i = 0; i < colors.Length; i++)
m_VertexColors[i] =
rc.CreateVertexBuffer(colors[i].ToArray(), colors[i].ToArray().Length * 4 * 4, RendererBufferUsage.StaticDraw, name + "_Colors" + i + "_"+ticks);
}
//Now, put everything into the VBA :'(
VertexBufferLayoutKind[] vblk = new VertexBufferLayoutKind[1];
vblk[0].AttributeID = 0;
vblk[0].AttributeSize = 3;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 3 * 4;
m_VertexBufferArray = rc.CreateVertexBufferArray(m_VertexPosition, vblk, name + "_VertexBufferArray_"+ticks, m_Indices);
m_VertexBufferArray.BeginPrepare();
//Normals
vblk[0].AttributeID = 1;
vblk[0].AttributeSize = 3;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 3 * 4;
m_VertexBufferArray.AddVertexBuffer(vblk, m_VertexNormal);
//Tangents
vblk[0].AttributeID = 2;
vblk[0].AttributeSize = 3;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 3 * 4;
m_VertexBufferArray.AddVertexBuffer(vblk, m_VertexTangent);
//BiTangents
vblk[0].AttributeID = 3;
vblk[0].AttributeSize = 3;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 3 * 4;
m_VertexBufferArray.AddVertexBuffer(vblk, m_VertexTangent);
//Textures
uint foo_bla_counter = 0;
if (m_VertexTexCoords != null)
{
foreach (VertexBuffer vb in m_VertexTexCoords)
{
if (foo_bla_counter < 3)
{
vblk[0].AttributeID = (uint)4 + foo_bla_counter;
vblk[0].AttributeSize = 3;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 3 * 4;
m_VertexBufferArray.AddVertexBuffer(vblk, vb);
foo_bla_counter++;
}
}
}
/*
//Colors
foo_bla_counter = 0;
if (m_VertexColors != null)
{
foreach (VertexBuffer vb in m_VertexColors)
{
if (foo_bla_counter < 3)
{
vblk[0].AttributeID = (uint)7 + foo_bla_counter;
vblk[0].AttributeSize = 4;
vblk[0].AttributeType = RendererVertexAttribType.Float;
vblk[0].Normalized = false;
vblk[0].Offset = 0;
vblk[0].Stride = 4 * 4;
m_VertexBufferArray.AddVertexBuffer(vblk, vb);
foo_bla_counter++;
}
}
}*/
m_VertexBufferArray.EndPrepare();
}
public unsafe bool Init(RendererCore rc)
{
m_VertexBufferLayoutKind[0].AttributeID = rc.BasicEffect.LocationInPosition;
m_VertexBufferLayoutKind[0].AttributeSize = 3;
m_VertexBufferLayoutKind[0].AttributeType = RendererVertexAttribType.Float;
m_VertexBufferLayoutKind[0].Normalized = false;
m_VertexBufferLayoutKind[0].Offset = 0;
m_VertexBufferLayoutKind[0].Stride = CubeVertex.SIZE;
m_VertexBufferLayoutKind[1].AttributeID = rc.BasicEffect.LocationInNormal;
m_VertexBufferLayoutKind[1].AttributeSize = 3;
m_VertexBufferLayoutKind[1].AttributeType = RendererVertexAttribType.Float;
m_VertexBufferLayoutKind[1].Normalized = false;
m_VertexBufferLayoutKind[1].Offset = sizeof(Vector3);
m_VertexBufferLayoutKind[1].Stride = CubeVertex.SIZE;
m_VertexBufferLayoutKind[2].AttributeID = rc.BasicEffect.LocationInTexCoord1;
m_VertexBufferLayoutKind[2].AttributeSize = 3;
m_VertexBufferLayoutKind[2].AttributeType = RendererVertexAttribType.Float;
m_VertexBufferLayoutKind[2].Normalized = false;
m_VertexBufferLayoutKind[2].Offset = sizeof(Vector3) + sizeof(Vector3);
m_VertexBufferLayoutKind[2].Stride = CubeVertex.SIZE;
m_VertexBufferLayoutKind[3].AttributeID = rc.BasicEffect.LocationInColor;
m_VertexBufferLayoutKind[3].AttributeSize = 4;
m_VertexBufferLayoutKind[3].AttributeType = RendererVertexAttribType.Float;
m_VertexBufferLayoutKind[3].Normalized = false;
m_VertexBufferLayoutKind[3].Offset = sizeof(Vector3) + sizeof(Vector3) + sizeof(Vector3);
m_VertexBufferLayoutKind[3].Stride = CubeVertex.SIZE;
Int64 next = System.DateTime.Now.Ticks;
m_VertexBuffer = rc.CreateVertexBuffer<CubeVertex>(m_Vertices, m_Vertices.Length * CubeVertex.SIZE, RendererBufferUsage.StaticDraw, "CubeVertexVertexBuffer_" + next);
m_VertexBufferArray = rc.CreateVertexBufferArray(m_VertexBuffer, m_VertexBufferLayoutKind, "CubeVertexVertexBufferArray_" + next);
return true;
}
