private void ParseSkinSet(BinaryParser parser, AnimSkin skin)
{
var name = parser.ConsumeUInt32();
var numVerts = parser.ConsumeUInt32();
var numBones = parser.ConsumeByte();
parser.Expect(1);
var boneIds = parser.ConsumeByteArray(numBones);
var vertIds = parser.ConsumeUInt16Array((int)numVerts);
var preMultipliedPositions = parser.ConsumeVector3Array((int)numVerts * numBones);
var weights = parser.ConsumeFloatArray((int)numVerts * numBones);
for (int index = 0; index < vertIds.Length; index++)
{
var id = vertIds[index];
skin.Weights.EnsureAt(id);
var vertexWeights = new VertexWeights { };
if (numBones > 0)
{
vertexWeights.Bone0 = new VertexWeight { BoneIndex = boneIds[0], Weight = weights[0 + index * numBones] };
}
if (numBones > 1)
{
vertexWeights.Bone1 = new VertexWeight { BoneIndex = boneIds[1], Weight = weights[1 + index * numBones] };
}
if (numBones > 2)
{
vertexWeights.Bone2 = new VertexWeight { BoneIndex = boneIds[2], Weight = weights[2 + index * numBones] };
}
if (numBones > 3)
{
vertexWeights.Bone3 = new VertexWeight { BoneIndex = boneIds[3], Weight = weights[3 + index * numBones] };
}
skin.Weights[id] = vertexWeights;
}
}
private static void ParseAnimSkinSet(TextParser parser, AnimSkin mesh)
{
List<int> bones = new List<int>(4);
parser.Consume("{");
for (;;)
{
var attribute = parser.Lexem;
if (attribute == "}")
{
parser.Consume();
break;
}
if (attribute == "useBones")
{
parser.Consume();
parser.Consume("{");
for (;;)
{
attribute = parser.Lexem;
if (attribute == "}")
{
parser.Consume();
break;
}
bones.Add(mesh.EnsureBone(parser.ConsumeString()));
parser.Skip(",");
}
continue;
}
if (attribute == "numVerts")
{
parser.Consume();
parser.ConsumeInt();
continue;
}
if (attribute == "vertWeights")
{
parser.Consume();
ParseVertWeights(parser, bones, mesh);
continue;
}
parser.UnknownLexemError();
}
}
private static void ParseVertWeights(TextParser parser, List<int> bones, AnimSkin mesh)
{
parser.Consume("{");
var bone = parser.ConsumeInt();
mesh.Weights.EnsureAt(bone);
parser.Skip(",");
VertexWeights w = VertexWeights.Empty;
if (bones.Count > 0)
{
w.Bone0 = new VertexWeight { BoneIndex = bones[0], Weight = parser.ConsumeFloat() };
parser.Skip(",");
if (bones.Count > 1)
{
w.Bone1 = new VertexWeight { BoneIndex = bones[1], Weight = parser.ConsumeFloat() };
parser.Skip(",");
if (bones.Count > 2)
{
w.Bone2 = new VertexWeight { BoneIndex = bones[2], Weight = parser.ConsumeFloat() };
parser.Skip(",");
if (bones.Count > 3)
{
w.Bone3 = new VertexWeight { BoneIndex = bones[3], Weight = parser.ConsumeFloat() };
parser.Skip(",");
if (bones.Count > 4)
{
throw new TextParserException("max 4 bones supported");
}
}
}
}
}
parser.Consume("}");
}
