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we still don't have extended wind and cloud neither do viewers

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This commit is contained in:
UbitUmarov
2015-09-24 20:55:39 +01:00
parent a6b8eb7bca
commit 13b8b17b9a
2 changed files with 36 additions and 49 deletions
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72
OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
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@@ -82,8 +82,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
// Used to send cloud and wind patches
public static LayerDataPacket CreateLayerDataPacket(TerrainPatch[] patches, byte type, int pRegionSizeX,
int pRegionSizeY)
public static LayerDataPacket CreateLayerDataPacketStandardSize(TerrainPatch[] patches, byte type)
{
LayerDataPacket layer = new LayerDataPacket {LayerID = {Type = type}};
@@ -98,7 +97,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
bitpack.PackBits(type, 8);
foreach (TerrainPatch t in patches)
CreatePatch(bitpack, t.Data, t.X, t.Y, pRegionSizeX, pRegionSizeY);
CreatePatchtStandardSize(bitpack, t.Data, t.X, t.Y);
bitpack.PackBits(END_OF_PATCHES, 8);
@@ -108,27 +107,38 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return layer;
}
public static void CreatePatch(BitPack output, float[] patchData, int x, int y, int pRegionSizeX, int pRegionSizeY)
public static void CreatePatchtStandardSize(BitPack output, float[] patchData, int x, int y)
{
TerrainPatch.Header header = PrescanPatch(patchData);
header.QuantWBits = 136;
if (pRegionSizeX > Constants.RegionSize || pRegionSizeY > Constants.RegionSize)
{
header.PatchIDs = (y & 0xFFFF);
header.PatchIDs += (x << 16);
}
else
{
header.PatchIDs = (y & 0x1F);
header.PatchIDs += (x << 5);
}
header.PatchIDs = (y & 0x1F);
header.PatchIDs += (x << 5);
int wbits;
int[] patch = CompressPatch(patchData, header, 10, out wbits);
wbits = EncodePatchHeader(output, header, patch, Constants.RegionSize, Constants.RegionSize, wbits);
EncodePatchHeader(output, header, patch, false, ref wbits);
EncodePatch(output, patch, 0, wbits);
}
private static TerrainPatch.Header PrescanPatch(float[] patch)
{
TerrainPatch.Header header = new TerrainPatch.Header();
float zmax = -99999999.0f;
float zmin = 99999999.0f;
for (int i = 0; i < Constants.TerrainPatchSize * Constants.TerrainPatchSize; i++)
{
float val = patch[i];
if (val > zmax) zmax = val;
if (val < zmin) zmin = val;
}
header.DCOffset = zmin;
header.Range = (int)((zmax - zmin) + 1.0f);
return header;
}
private static int[] CompressPatch(float[] patchData, TerrainPatch.Header header, int prequant, out int wbits)
{
float[] block = new float[Constants.TerrainPatchSize * Constants.TerrainPatchSize];
@@ -232,11 +242,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
TerrainPatch.Header header = PrescanPatch(terrData, patchX, patchY, out frange);
header.QuantWBits = 130;
bool largeRegion = false;
// If larger than legacy region size, pack patch X and Y info differently.
if (terrData.SizeX > Constants.RegionSize || terrData.SizeY > Constants.RegionSize)
{
header.PatchIDs = (patchY & 0xFFFF);
header.PatchIDs += (patchX << 16);
largeRegion = true;
}
else
{
@@ -246,7 +258,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
if(Math.Round((double)frange,2) == 1.0)
{
// flat terrain spead up things
// flat terrain speed up things
header.DCOffset -= 0.5f;
@@ -254,7 +266,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
output.PackBits(header.QuantWBits, 8);
output.PackFloat(header.DCOffset);
output.PackBits(1, 16);
if (terrData.SizeX > Constants.RegionSize || terrData.SizeY > Constants.RegionSize)
if (largeRegion)
output.PackBits(header.PatchIDs, 32);
else
output.PackBits(header.PatchIDs, 10);
@@ -266,28 +278,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
int wbits;
int[] patch = CompressPatch(terrData, patchX, patchY, header, 10, out wbits);
wbits = EncodePatchHeader(output, header, patch, (uint)terrData.SizeX, (uint)terrData.SizeY, wbits);
EncodePatchHeader(output, header, patch, largeRegion, ref wbits);
EncodePatch(output, patch, 0, wbits);
}
private static TerrainPatch.Header PrescanPatch(float[] patch)
{
TerrainPatch.Header header = new TerrainPatch.Header();
float zmax = -99999999.0f;
float zmin = 99999999.0f;
for (int i = 0; i < Constants.TerrainPatchSize*Constants.TerrainPatchSize; i++)
{
float val = patch[i];
if (val > zmax) zmax = val;
if (val < zmin) zmin = val;
}
header.DCOffset = zmin;
header.Range = (int) ((zmax - zmin) + 1.0f);
return header;
}
// Scan the height info we're returning and return a patch packet header for this patch.
private static TerrainPatch.Header PrescanPatch(TerrainData terrData, int patchX, int patchY, out float frange)
@@ -338,8 +333,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return header;
}
private static int EncodePatchHeader(BitPack output, TerrainPatch.Header header, int[] patch, uint pRegionSizeX,
uint pRegionSizeY, int wbits)
private static void EncodePatchHeader(BitPack output, TerrainPatch.Header header, int[] patch, bool largeRegion, ref int wbits)
{
if (wbits > 17)
wbits = 17;
@@ -352,12 +346,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
output.PackBits(header.QuantWBits, 8);
output.PackFloat(header.DCOffset);
output.PackBits(header.Range, 16);
if (pRegionSizeX > Constants.RegionSize || pRegionSizeY > Constants.RegionSize)
if (largeRegion)
output.PackBits(header.PatchIDs, 32);
else
output.PackBits(header.PatchIDs, 10);
return wbits;
}
private static void IDCTColumn16(float[] linein, float[] lineout, int column)