unsafe private static vec3[] GetNormals(EZMVertexbuffer vertexbuffer)
{
Passbuffer passbuffer = vertexbuffer.GetBuffer("normal");
IntPtr address = passbuffer.Mapbuffer();
vec3 * pointer = (vec3 *)address.ToPointer();
int length = passbuffer.Length();
var normals = new vec3[length];
for (int i = 0; i < length; i++)
{
normals[i] = pointer[i];
}
passbuffer.Unmapbuffer();
return(normals);
}
unsafe private static vec2[] GetTexCoords(EZMVertexbuffer vertexbuffer)
{
Passbuffer passbuffer = vertexbuffer.GetBuffer("texcoord1");
IntPtr address = passbuffer.Mapbuffer();
vec2 * pointer = (vec2 *)address.ToPointer();
int length = passbuffer.Length();
var texCoords = new vec2[length];
for (int i = 0; i < length; i++)
{
texCoords[i] = pointer[i];
}
passbuffer.Unmapbuffer();
return(texCoords);
}
unsafe private static vec4[] GetBoneWeights(EZMVertexbuffer vertexbuffer)
{
Passbuffer passbuffer = vertexbuffer.GetBuffer("blendweights");
IntPtr address = passbuffer.Mapbuffer();
vec4 * pointer = (vec4 *)address.ToPointer();
int length = passbuffer.Length();
var boneWeights = new vec4[length];
for (int i = 0; i < length; i++)
{
boneWeights[i] = pointer[i];
}
passbuffer.Unmapbuffer();
return(boneWeights);
}
unsafe private static uvec4[] GetBoneIndexes(EZMVertexbuffer vertexbuffer)
{
Passbuffer passbuffer = vertexbuffer.GetBuffer("blendindices");
IntPtr address = passbuffer.Mapbuffer();
uvec4 * pointer = (uvec4 *)address.ToPointer();
int length = passbuffer.Length();
var boneIndexes = new uvec4[length];
for (int i = 0; i < length; i++)
{
boneIndexes[i] = pointer[i];
}
passbuffer.Unmapbuffer();
return(boneIndexes);
}
unsafe private static vec3[] GetPositions(EZMVertexbuffer vertexbuffer)
{
Passbuffer passbuffer = vertexbuffer.GetBuffer("position");
IntPtr address = passbuffer.Mapbuffer();
vec3 * pointer = (vec3 *)address.ToPointer();
int length = passbuffer.Length();
var vertexes = new vec3[length];
for (int i = 0; i < length; i++)
{
vertexes[i] = pointer[i];
}
passbuffer.Unmapbuffer();
return(vertexes);
}
public Passbuffer GetBuffer(string semantics)
{
Passbuffer buffer = null;
for (int i = 0; i < this.Buffers.Length; i++)
{
string s = this.Semantics[i];
if (s == semantics)
{
buffer = this.Buffers[i];
break;
}
}
return(buffer);
}
// <vertexbuffer count="13114" ctype="fff fff ff ff ff ffff hhhh" semantic="position normal texcoord1 texcoord2 texcoord3 blendweights blendindices">
/// <summary>
///
/// </summary>
/// <param name="xElement"></param>
/// <returns></returns>
public static unsafe EZMVertexbuffer Parse(System.Xml.Linq.XElement xElement)
{
EZMVertexbuffer result = null;
if (xElement.Name == "vertexbuffer")
{
result = new EZMVertexbuffer();
int groupCount = int.Parse(xElement.Attribute("count").Value);
result.Ctypes = xElement.Attribute("ctype").Value.Split(' ');
result.Semantics = xElement.Attribute("semantic").Value.Split(' ');
if (result.Ctypes.Length != result.Semantics.Length)
{
throw new Exception("EZMVertexbuffer.Ctypes.Length != EZMVertexbuffer.Semantics.Length");
}
int groupSize = result.Ctypes.Length; // how many elements in a group.
string[] parts = xElement.Value.Split(Separator.separators, StringSplitOptions.RemoveEmptyEntries);
var lineLength = result.Ctypes[0].Length;
var charCounts = new int[groupSize];
for (int i = 1; i < groupSize; i++)
{
charCounts[i] = charCounts[i - 1] + result.Ctypes[i - 1].Length; lineLength += result.Ctypes[i].Length;
}
var buffers = new Passbuffer[groupSize];
var pointers = new void *[groupSize];
for (int i = 0; i < groupSize; i++)
{
int index = charCounts[i];
buffers[i] = new Passbuffer(result.Ctypes[i], groupCount);
pointers[i] = buffers[i].Mapbuffer().ToPointer();
switch (buffers[i].type)
{
case PassType.vec4:
for (int t = 0; t < groupCount; t++)
{
float x = float.Parse(parts[t * lineLength + index + 0]);
float y = float.Parse(parts[t * lineLength + index + 1]);
float z = float.Parse(parts[t * lineLength + index + 2]);
float w = float.Parse(parts[t * lineLength + index + 3]);
var array = (vec4 *)pointers[i];
array[t] = new vec4(x, y, z, w);
if (!(0 <= x && x <= 1))
{
Console.WriteLine("Error");
}
if (!(0 <= y && y <= 1))
{
Console.WriteLine("Error");
}
if (!(0 <= z && z <= 1))
{
Console.WriteLine("Error");
}
if (!(0 <= w && w <= 1))
{
Console.WriteLine("Error");
}
}
break;
case PassType.vec3:
for (int t = 0; t < groupCount; t++)
{
float x = float.Parse(parts[t * lineLength + index + 0]);
float y = float.Parse(parts[t * lineLength + index + 1]);
float z = float.Parse(parts[t * lineLength + index + 2]);
var array = (vec3 *)pointers[i];
array[t] = new vec3(x, y, z);
}
break;
case PassType.vec2:
var vec2xList = new List <float>();
var vec2yList = new List <float>();
for (int t = 0; t < groupCount; t++)
{
float x = float.Parse(parts[t * lineLength + index + 0]);
if (x < 0)
{
x = 0;
}
if (1 < x)
{
x = 1;
}
float y = float.Parse(parts[t * lineLength + index + 1]);
if (y < 0)
{
y = 0;
}
if (1 < y)
{
y = 1;
}
var array = (vec2 *)pointers[i];
array[t] = new vec2(x, y);
if (!(0 <= x && x <= 1))
{
vec2xList.Add(x);
}
if (!(0 <= y && y <= 1))
{
vec2yList.Add(y);
}
}
if (vec2xList.Count > 0 || vec2yList.Count > 0)
{
Console.WriteLine("Error");
}
break;
case PassType.ivec4:
var list = new List <int>();
for (int t = 0; t < groupCount; t++)
{
int x = int.Parse(parts[t * lineLength + index + 0]);
int y = int.Parse(parts[t * lineLength + index + 1]);
int z = int.Parse(parts[t * lineLength + index + 2]);
int w = int.Parse(parts[t * lineLength + index + 3]);
var array = (ivec4 *)pointers[i];
array[t] = new ivec4(x, y, z, w);
if (!list.Contains(x))
{
list.Add(x);
}
if (!list.Contains(y))
{
list.Add(y);
}
if (!list.Contains(z))
{
list.Add(z);
}
if (!list.Contains(w))
{
list.Add(w);
}
}
break;
default:
break;
}
buffers[i].Unmapbuffer();
}
result.Buffers = buffers;
}
return(result);
}