private QuadtreeTerrain terrain = null; // terrain
// mins, maxs: aadd in local space
public QuadtreeMesh(QuadtreeTerrain _trn, int _nodeIdx, Vector3 mins, Vector3 maxs)
{
terrain = _trn;
nodeIndex = _nodeIdx;
aabb = new Bounds();
aabb.SetMinMax(mins, maxs);
}
public Quadtree(QuadtreeTerrain _trn, int _hmSize)
{
Debug.Assert(Misc.Is2Power(_hmSize - 1));
terrain = _trn;
hmSize = _hmSize;
// create node buffer
AllocateNodeBuffer();
// Initialize root node
root = nodeBuf[0];
root.index = 0;
root.hmLeft = 0;
root.hmTop = 0;
root.hmAreaSize = (ushort)(_hmSize - 1);
// Generate tree recursively
int nodeTempCnt = 1;
BuildNode_r(0, (sbyte)eChildPos.POS_INVALID, ref nodeTempCnt);
// check node number
Debug.Assert(nodeTempCnt == (int)nodeNum);
// Build neighbours info
BuildNeighbours_r(0);
}
public TerrainRendererDefault(QuadtreeTerrain _trn)
{
terrain = _trn;
drawDataList = new List <DRAWDATA>(256);
// load materials
mtlDefault = new Material(terrain.GetDefaultShader());
mtlDefault.hideFlags = HideFlags.DontSave;
defMtlProp = new MaterialPropertyBlock();
defMtlProp.SetColor("lodColor", new Color(1.0f, 1.0f, 1.0f, 1.0f));
// Create lod material property block
Action <Color> CreateLODMtlProp = (Color lodColor) =>
{
MaterialPropertyBlock prop = new MaterialPropertyBlock();
prop.SetColor("lodColor", lodColor);
lodMtlProps.Add(prop);
};
// LOD grade color table
lodMtlProps = new List <MaterialPropertyBlock>(maxLODCount);
CreateLODMtlProp(new Color(1.0f, 0.5f, 0.5f, 1.0f));
CreateLODMtlProp(new Color(0.5f, 1.0f, 0.5f, 1.0f));
CreateLODMtlProp(new Color(0.5f, 0.5f, 1.0f, 1.0f));
CreateLODMtlProp(new Color(1.0f, 1.0f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 1.0f, 1.0f, 1.0f));
CreateLODMtlProp(new Color(0.75f, 0.0f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 0.75f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 0.0f, 0.75f, 1.0f));
CreateLODMtlProp(new Color(1.0f, 0.75f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 1.0f, 0.75f, 1.0f));
CreateLODMtlProp(new Color(0.5f, 0.0f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 0.5f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 0.0f, 0.5f, 1.0f));
CreateLODMtlProp(new Color(1.0f, 0.5f, 0.0f, 1.0f));
CreateLODMtlProp(new Color(0.0f, 1.0f, 0.5f, 1.0f));
CreateLODMtlProp(new Color(0.5f, 0.5f, 0.5f, 1.0f));
}
public QuadtreeMeshMan(QuadtreeTerrain _trn)
{
terrain = _trn;
meshTable = new Hashtable(256);
}
public TerrainRes(QuadtreeTerrain _trn)
{
terrain = _trn;
// Create index buffers for nodes rendering with inborn LOD grade
int gridWidth = terrain.leafGridSize;
int vertPitch = gridWidth + 1;
// create comuter buffer
Func <List <int>, ComputeBuffer> CreateCB = (List <int> ib) =>
{
ComputeBuffer cb = new ComputeBuffer(ib.Count, 4);
cb.SetData(ib.ToArray());
return(cb);
};
idxBufs[(int)eIndexBuf.IB_NO_LOD] = CreateIndexBuffer(gridWidth, vertPitch, 0, 0);
idxBufs[(int)eIndexBuf.IB_LOD_L] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.LEFT);
idxBufs[(int)eIndexBuf.IB_LOD_T] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.TOP);
idxBufs[(int)eIndexBuf.IB_LOD_R] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.RIGHT);
idxBufs[(int)eIndexBuf.IB_LOD_B] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.BOTTOM);
idxBufs[(int)eIndexBuf.IB_LOD_LT] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.LEFT | (int)eSideFlag.TOP);
idxBufs[(int)eIndexBuf.IB_LOD_RT] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.RIGHT | (int)eSideFlag.TOP);
idxBufs[(int)eIndexBuf.IB_LOD_LB] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.LEFT | (int)eSideFlag.BOTTOM);
idxBufs[(int)eIndexBuf.IB_LOD_RB] = CreateIndexBuffer(gridWidth, vertPitch, 0, (int)eSideFlag.RIGHT | (int)eSideFlag.BOTTOM);
for (int i = 0; i < (int)eIndexBuf.COUNT; i++)
{
ComputeBuffer cb = CreateCB(idxBufs[i]);
idxCBs.Add(cb);
}
// Create index buffer for nodes LOD grade-up rendering (use parent's LOD)
int halfGridWidth = gridWidth >> 1;
Debug.Assert(halfGridWidth > 0);
// Base index of child's left-top corner in it's parent's node mesh
int[] baseIdx = new int[4]
{
0,
halfGridWidth,
halfGridWidth *vertPitch,
halfGridWidth *vertPitch + halfGridWidth
};
for (int i = 0; i < 4; i++)
{
int ltbase = baseIdx[i];
gradeUpIdxBufs[i] = new List <int> [(int)eIndexBuf.COUNT];
gradeUpIdxBufs[i][(int)eIndexBuf.IB_NO_LOD] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, 0);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_L] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.LEFT);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_T] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.TOP);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_R] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.RIGHT);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_B] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.BOTTOM);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_LT] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.LEFT | (int)eSideFlag.TOP);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_RT] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.RIGHT | (int)eSideFlag.TOP);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_LB] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.LEFT | (int)eSideFlag.BOTTOM);
gradeUpIdxBufs[i][(int)eIndexBuf.IB_LOD_RB] = CreateIndexBuffer(halfGridWidth, vertPitch, ltbase, (int)eSideFlag.RIGHT | (int)eSideFlag.BOTTOM);
gradeUpIdxCBs[i] = new List <ComputeBuffer>((int)eIndexBuf.COUNT);
for (int j = 0; j < (int)eIndexBuf.COUNT; j++)
{
ComputeBuffer cb = CreateCB(gradeUpIdxBufs[i][j]);
gradeUpIdxCBs[i].Add(cb);
}
}
}
public GeometryBuilder(QuadtreeTerrain _trn)
{
terrain = _trn;
hsLayers = new List <IHeightStream>();
tempMesh = new TEMPMESH();
}
