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Changed 'heights', 'areas', 'cons', and 'regs' arrays to byte arrays for uniformity and efficiency in DtTileCacheLayer

This commit is contained in:
ikpil 2024-06-11 00:44:20 +09:00
parent 3417ecae36
commit 65c572a4c2
6 changed files with 43 additions and 45 deletions
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1
CHANGELOG.md
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@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
### Changed
- Changed to reuse samples and edges list in BuildPolyDetail()
- Changed 'heights', 'areas', 'cons', and 'regs' arrays to byte arrays for uniformity and efficiency in DtTileCacheLayer
### Removed
- Removed RcMeshDetails.VdistSq2(float[], float[])

6
src/DotRecast.Detour.TileCache/DtLayerMonotoneRegion.cs
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@ -7,8 +7,8 @@ namespace DotRecast.Detour.TileCache
public const int DT_LAYER_MAX_NEIS = 16;
public int area;
public List<int> neis = new List<int>(DT_LAYER_MAX_NEIS);
public int regId;
public int areaId;
public List<byte> neis = new List<byte>(DT_LAYER_MAX_NEIS);
public byte regId;
public byte areaId;
};
}

50
src/DotRecast.Detour.TileCache/DtTileCacheBuilder.cs
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@ -43,7 +43,7 @@ namespace DotRecast.Detour.TileCache
int w = layer.header.width;
int h = layer.header.height;
Array.Fill(layer.regs, (short)0x00FF);
Array.Fill(layer.regs, (byte)0xFF);
int nsweeps = w;
RcLayerSweepSpan[] sweeps = new RcLayerSweepSpan[nsweeps];
for (int i = 0; i < sweeps.Length; i++)
@ -53,7 +53,7 @@ namespace DotRecast.Detour.TileCache
// Partition walkable area into monotone regions.
int[] prevCount = new int[256];
int regId = 0;
byte regId = 0;
for (int y = 0; y < h; ++y)
{
@ -92,7 +92,7 @@ namespace DotRecast.Detour.TileCache
int yidx = x + (y - 1) * w;
if (y > 0 && IsConnected(layer, idx, yidx, walkableClimb))
{
int nr = layer.regs[yidx];
byte nr = layer.regs[yidx];
if (nr != 0xff)
{
// Set neighbour when first valid neighbour is
@ -146,12 +146,12 @@ namespace DotRecast.Detour.TileCache
{
int idx = x + y * w;
if (layer.regs[idx] != 0xff)
layer.regs[idx] = (short)sweeps[layer.regs[idx]].id;
layer.regs[idx] = sweeps[layer.regs[idx]].id;
}
}
// Allocate and init layer regions.
int nregs = regId;
byte nregs = regId;
DtLayerMonotoneRegion[] regs = new DtLayerMonotoneRegion[nregs];
for (int i = 0; i < nregs; ++i)
@ -166,7 +166,7 @@ namespace DotRecast.Detour.TileCache
for (int x = 0; x < w; ++x)
{
int idx = x + y * w;
int ri = layer.regs[idx];
byte ri = layer.regs[idx];
if (ri == 0xff)
continue;
@ -178,7 +178,7 @@ namespace DotRecast.Detour.TileCache
int ymi = x + (y - 1) * w;
if (y > 0 && IsConnected(layer, idx, ymi, walkableClimb))
{
int rai = layer.regs[ymi];
byte rai = layer.regs[ymi];
if (rai != 0xff && rai != ri)
{
AddUniqueLast(regs[ri].neis, rai);
@ -188,7 +188,7 @@ namespace DotRecast.Detour.TileCache
}
}
for (int i = 0; i < nregs; ++i)
for (byte i = 0; i < nregs; ++i)
regs[i].regId = i;
for (int i = 0; i < nregs; ++i)
@ -217,7 +217,7 @@ namespace DotRecast.Detour.TileCache
if (merge != -1)
{
int oldId = reg.regId;
int newId = regs[merge].regId;
byte newId = regs[merge].regId;
for (int j = 0; j < nregs; ++j)
if (regs[j].regId == oldId)
regs[j].regId = newId;
@ -225,7 +225,7 @@ namespace DotRecast.Detour.TileCache
}
// Compact ids.
int[] remap = new int[256];
byte[] remap = new byte[256];
// Find number of unique regions.
regId = 0;
for (int i = 0; i < nregs; ++i)
@ -242,11 +242,11 @@ namespace DotRecast.Detour.TileCache
for (int i = 0; i < w * h; ++i)
{
if (layer.regs[i] != 0xff)
layer.regs[i] = (short)regs[layer.regs[i]].regId;
layer.regs[i] = regs[layer.regs[i]].regId;
}
}
public static void AddUniqueLast(List<int> a, int v)
public static void AddUniqueLast(List<byte> a, byte v)
{
int n = a.Count;
if (n > 0 && a[n - 1] == v)
@ -1800,7 +1800,7 @@ namespace DotRecast.Detour.TileCache
return mesh;
}
public static void MarkCylinderArea(DtTileCacheLayer layer, RcVec3f orig, float cs, float ch, RcVec3f pos, float radius, float height, int areaId)
public static void MarkCylinderArea(DtTileCacheLayer layer, RcVec3f orig, float cs, float ch, RcVec3f pos, float radius, float height, byte areaId)
{
RcVec3f bmin = new RcVec3f();
RcVec3f bmax = new RcVec3f();
@ -1856,12 +1856,12 @@ namespace DotRecast.Detour.TileCache
int y = layer.heights[x + z * w];
if (y < miny || y > maxy)
continue;
layer.areas[x + z * w] = (short)areaId;
layer.areas[x + z * w] = areaId;
}
}
}
public static void MarkBoxArea(DtTileCacheLayer layer, RcVec3f orig, float cs, float ch, RcVec3f bmin, RcVec3f bmax, int areaId)
public static void MarkBoxArea(DtTileCacheLayer layer, RcVec3f orig, float cs, float ch, RcVec3f bmin, RcVec3f bmax, byte areaId)
{
int w = layer.header.width;
int h = layer.header.height;
@ -1900,7 +1900,7 @@ namespace DotRecast.Detour.TileCache
int y = layer.heights[x + z * w];
if (y < miny || y > maxy)
continue;
layer.areas[x + z * w] = (short)areaId;
layer.areas[x + z * w] = areaId;
}
}
}
@ -1975,22 +1975,22 @@ namespace DotRecast.Detour.TileCache
int gridSize = layer.header.width * layer.header.height;
byte[] grids = comp.Decompress(compressed, buf.Position(), compressed.Length - buf.Position(), gridSize * 3);
layer.heights = new short[gridSize];
layer.areas = new short[gridSize];
layer.cons = new short[gridSize];
layer.regs = new short[gridSize];
layer.heights = new byte[gridSize];
layer.areas = new byte[gridSize];
layer.cons = new byte[gridSize];
layer.regs = new byte[gridSize];
for (int i = 0; i < gridSize; i++)
{
layer.heights[i] = (short)(grids[i] & 0xFF);
layer.areas[i] = (short)(grids[i + gridSize] & 0xFF);
layer.cons[i] = (short)(grids[i + gridSize * 2] & 0xFF);
layer.heights[i] = (byte)(grids[i] & 0xFF);
layer.areas[i] = (byte)(grids[i + gridSize] & 0xFF);
layer.cons[i] = (byte)(grids[i + gridSize * 2] & 0xFF);
}
return layer;
}
public static void MarkBoxArea(DtTileCacheLayer layer, RcVec3f orig, float cs, float ch, RcVec3f center, RcVec3f extents,
float[] rotAux, int areaId)
float[] rotAux, byte areaId)
{
int w = layer.header.width;
int h = layer.header.height;
@ -2043,7 +2043,7 @@ namespace DotRecast.Detour.TileCache
int y = layer.heights[x + z * w];
if (y < miny || y > maxy)
continue;
layer.areas[x + z * w] = (short)areaId;
layer.areas[x + z * w] = areaId;
}
}
}

13
src/DotRecast.Detour.TileCache/DtTileCacheLayer.cs
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@ -23,13 +23,10 @@ namespace DotRecast.Detour.TileCache
public class DtTileCacheLayer
{
public DtTileCacheLayerHeader header;
public int regCount;
/// < Region count.
public short[] heights; // char
public short[] areas; // char
public short[] cons; // char
public short[] regs; // char
public byte regCount; // < Region count.
public byte[] heights; // unsigned char
public byte[] areas; // unsigned char
public byte[] cons; // unsigned char
public byte[] regs; // unsigned char
}
}

4
src/DotRecast.Recast/RcLayerSweepSpan.cs
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@ -3,7 +3,7 @@
public class RcLayerSweepSpan
{
public int ns; // number samples
public int id; // region id
public int nei; // neighbour id
public byte id; // region id
public byte nei; // neighbour id
};
}

14
src/DotRecast.Recast/RcLayers.cs
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@ -80,10 +80,10 @@ namespace DotRecast.Recast
int w = chf.width;
int h = chf.height;
int[] srcReg = new int[chf.spanCount];
Array.Fill(srcReg, 0xFF);
byte[] srcReg = new byte[chf.spanCount];
Array.Fill(srcReg, (byte)0xFF);
int nsweeps = chf.width; // Math.Max(chf.width, chf.height);
int nsweeps = chf.width;
RcLayerSweepSpan[] sweeps = new RcLayerSweepSpan[nsweeps];
for (int i = 0; i < sweeps.Length; i++)
{
@ -92,14 +92,14 @@ namespace DotRecast.Recast
// Partition walkable area into monotone regions.
int[] prevCount = new int[256];
int regId = 0;
byte regId = 0;
// Sweep one line at a time.
for (int y = borderSize; y < h - borderSize; ++y)
{
// Collect spans from this row.
Array.Fill(prevCount, 0);
int sweepId = 0;
byte sweepId = 0;
for (int x = borderSize; x < w - borderSize; ++x)
{
@ -111,7 +111,7 @@ namespace DotRecast.Recast
if (chf.areas[i] == RC_NULL_AREA)
continue;
int sid = 0xFF;
byte sid = 0xFF;
// -x
if (GetCon(ref s, 0) != RC_NOT_CONNECTED)
@ -136,7 +136,7 @@ namespace DotRecast.Recast
int ax = x + GetDirOffsetX(3);
int ay = y + GetDirOffsetY(3);
int ai = chf.cells[ax + ay * w].index + GetCon(ref s, 3);
int nr = srcReg[ai];
byte nr = srcReg[ai];
if (nr != 0xff)
{
// Set neighbour when first valid neighbour is encoutered.