public CenterPointedMesh(BigMesh bigMesh)
{
this.bigMesh = bigMesh;
centerPoint = GetCenter(
bigMesh.triangleStripList
.SelectMany(triangleStrip => triangleStrip.vertexIndices)
.Select(index => bigMesh.vertexList[index])
);
}
public static IEnumerable <BigMesh> Split(BigMesh bigMesh)
{
var stripIndex = 0;
var maxStrip = bigMesh.triangleStripList.Count;
while (stripIndex < maxStrip)
{
var smallMesh = new BigMesh
{
textureIndex = bigMesh.textureIndex,
matDef = bigMesh.matDef,
};
var localIndexMap = new Dictionary <int, int>();
var countStocked = 0;
for (; stripIndex < maxStrip; stripIndex++)
{
var triStrip = bigMesh.triangleStripList[stripIndex];
if (countStocked + triStrip.vertexIndices.Count > MaxVertCount)
{
break;
}
var newTriStrip = new BigMesh.TriangleStrip
{
uvList = triStrip.uvList.ToList(),
vertexColorList = triStrip.vertexColorList.ToList(),
vertexIndices = triStrip.vertexIndices
.Select(gi => MapToLocal(localIndexMap, gi))
.ToList(),
};
smallMesh.triangleStripList.Add(newTriStrip);
countStocked += newTriStrip.vertexIndices.Count;
}
var globalIndexMap = localIndexMap
.ToDictionary(pair => pair.Value, pair => pair.Key);
smallMesh.textureIndex = bigMesh.textureIndex;
for (int loop = 0; loop < localIndexMap.Count; loop++)
{
var globalIndex = globalIndexMap[loop];
smallMesh.vertexList.Add(bigMesh.vertexList[globalIndex]);
}
yield return(smallMesh);
}
}
public MapVifPacketBuilder(
BigMesh mesh
)
{
var nLarge = mesh.triangleStripList.Sum(it => it.vertexIndices.Count);
var nSmall = mesh.vertexList.Count;
var top = new TopHeader
{
numVertIdx = nLarge,
offVertIdx = 4,
numClrVert = nLarge,
offClrVert = 4 + nLarge,
numPosVert = nSmall,
offPosVert = 4 + nLarge + nLarge,
};
{
var writer = new BinaryWriter(vifPacket);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write(0x6C048000); // unpack V4-32 c 4 a 000 usn 0 flg 1 m 0
BinaryMapping.WriteObject(vifPacket, top);
vifPacket.AlignPosition(4);
{
// write uv
var off = 4;
var num = Convert.ToByte(nLarge);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write((int)(0x65008000 | off | (num << 16))); // unpack V2-16 c 14 a 004 usn 0 flg 1 m 0
foreach (var one in mesh.triangleStripList.SelectMany(it => it.uvList))
{
writer.Write(Convert.ToInt16(Math.Max(-32768, Math.Min(32767, (one.X * 4096)))));
writer.Write(Convert.ToInt16(Math.Max(-32768, Math.Min(32767, (one.Y * 4096)))));
}
}
vifPacket.AlignPosition(4);
{
// write idx
var off = 4;
var num = Convert.ToByte(nLarge);
writer.Write(0x20000000); // stmask 3 3 0 3 3 3 0 3 3 3 0 3 3 3 0 3
writer.Write(0xcfcfcfcf);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write((int)(0x7200C000 | off | (num << 16))); // unpack S-8 c 14 a 004 usn 1 flg 1 m 1
foreach (var one in mesh.triangleStripList.SelectMany(it => it.vertexIndices))
{
writer.Write(Convert.ToByte(one));
}
}
vifPacket.AlignPosition(4);
{
// write flags
var off = 4;
var num = Convert.ToByte(nLarge);
writer.Write(0x20000000); // stmask 3 3 3 0 3 3 3 0 3 3 3 0 3 3 3 0
writer.Write(0x3f3f3f3f);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write((int)(0x7200C000 | off | (num << 16))); // unpack S-8 c 14 a 004 usn 1 flg 1 m 1
foreach (var triStrip in mesh.triangleStripList)
{
var count = triStrip.vertexIndices.Count;
if (count >= 1)
{
writer.Write((byte)0x10);
if (count >= 2)
{
writer.Write((byte)0x10);
for (var x = 2; x < count; x++)
{
if (0 == (x & 1))
{
writer.Write((byte)0x20);
}
else
{
writer.Write((byte)0x30);
}
}
}
}
}
}
vifPacket.AlignPosition(4);
{
// write vertex color list
var off = 4 + nLarge;
var num = Convert.ToByte(nLarge);
writer.Write(0x20000000); // stmask 3 3 3 0 3 3 3 0 3 3 3 0 3 3 3 0
writer.Write(0x3f3f3f3f);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write((int)(0x6E00C000 | off | (num << 16))); // unpack V4-8 c 14 a 012 usn 1 flg 1 m 0
foreach (var color in mesh.triangleStripList.SelectMany(it => it.vertexColorList))
{
writer.Write(color.r);
writer.Write(color.g);
writer.Write(color.b);
writer.Write(color.a);
}
}
vifPacket.AlignPosition(4);
{
// write vertices
var off = 4 + nLarge + nLarge;
var num = Convert.ToByte(nSmall);
writer.Write(0x31000000); // stcol 3f800000 3f800000 3f800000 3f800000
writer.Write(0x3f800000);
writer.Write(0x3f800000);
writer.Write(0x3f800000);
writer.Write(0x3f800000);
writer.Write(0x20000000); // stmask 3 3 3 0 3 3 3 0 3 3 3 0 3 3 3 0
writer.Write(0x80808080);
writer.Write(0x01000101); // stcycl cl 01 wl 01
writer.Write((int)(0x78008000 | off | (num << 16))); // unpack V3-32 c 9 a 020 usn 0 flg 1 m 1
foreach (var one in mesh.vertexList)
{
writer.Write(one.X);
writer.Write(one.Y);
writer.Write(one.Z);
}
}
vifPacket.AlignPosition(4);
writer.Write(0x17000000); // mscnt
}
Align16Plus8(vifPacket);
firstVifPacketQwc = Convert.ToUInt16(vifPacket.Length / 16);
vifPacket.Write(new byte[8], 0, 8); // write later 8 bytes of the follwing dma (id=RET) packet.
}
private byte[] BuildNavmesh()
{
IEnumerable <Collider> colliders = GatherColliders(this.walkableLayers);
Bounds bounds = new Bounds(this.center, this.size);
BigCombineInstance[] combineInstances =
MakeCombineInstanceArray(colliders, bounds);
if (combineInstances.Length == 0)
{
Debug.LogError("No colliders found");
return(null);
}
BigMesh m = new BigMesh(combineInstances);
Debug.Log(string.Format(
"Combined {0} meshes, {1} vertices, {2} triangles",
combineInstances.Length, m.vertices.Length, m.triangles.Length / 3));
int dataSize = NativeBuildNavmesh(
m.vertices.Length,
m.vertices,
m.triangles.Length,
m.triangles,
bounds.min.x,
bounds.min.y,
bounds.min.z,
bounds.max.x,
bounds.max.y,
bounds.max.z,
this.cellSize,
this.cellHeight,
this.walkableHeight,
this.walkableSlopeAngle,
this.walkableClimb,
this.walkableRadius,
this.maxEdgeLen,
this.maxSimplificationError,
this.monotonePartitioning,
this.minRegionArea,
this.mergeRegionArea,
this.detailSampleDist,
this.detailSampleMaxError,
this.keepIntermediateData,
1000000);
if (dataSize <= 0)
{
Debug.LogError("Error during navmesh generation: " + dataSize);
return(null);
}
else
{
Debug.Log("Built navmesh of size " + dataSize);
}
byte[] buffer = new byte[dataSize];
NativeRetrieveNavmeshData(buffer);
return(buffer);
}
private byte[] BuildNavmesh()
{
IEnumerable<Collider> colliders = GatherColliders(this.walkableLayers);
Bounds bounds = new Bounds(this.center, this.size);
BigCombineInstance[] combineInstances =
MakeCombineInstanceArray(colliders, bounds);
if (combineInstances.Length == 0)
{
Debug.LogError("No colliders found");
return null;
}
BigMesh m = new BigMesh(combineInstances);
Debug.Log(string.Format(
"Combined {0} meshes, {1} vertices, {2} triangles",
combineInstances.Length, m.vertices.Length, m.triangles.Length / 3));
int dataSize = NativeBuildNavmesh(
m.vertices.Length,
m.vertices,
m.triangles.Length,
m.triangles,
bounds.min.x,
bounds.min.y,
bounds.min.z,
bounds.max.x,
bounds.max.y,
bounds.max.z,
this.cellSize,
this.cellHeight,
this.walkableHeight,
this.walkableSlopeAngle,
this.walkableClimb,
this.walkableRadius,
this.maxEdgeLen,
this.maxSimplificationError,
this.monotonePartitioning,
this.minRegionArea,
this.mergeRegionArea,
this.detailSampleDist,
this.detailSampleMaxError,
this.keepIntermediateData,
1000000);
if (dataSize <= 0)
{
Debug.LogError("Error during navmesh generation: " + dataSize);
return null;
}
else
{
Debug.Log("Built navmesh of size " + dataSize);
}
byte[] buffer = new byte[dataSize];
NativeRetrieveNavmeshData(buffer);
return buffer;
}
