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authorTeravus Ovares2007-12-03 13:11:15 +0000
committerTeravus Ovares2007-12-03 13:11:15 +0000
commit0ec208a2001d068327e3ca4311f16f0f0b10c2ca (patch)
treee585e0558f5c9bdaf77cd0ba511eef9f5ce5edf4 /OpenSim/Region
parentSome refactoring (diff)
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* Resize terrain heightmap info going to ODE to double the resolution.
* Using the nearest neighbor method, interpolation coming soon.
Diffstat (limited to 'OpenSim/Region')
-rw-r--r--OpenSim/Region/Physics/OdePlugin/OdePlugin.cs68
1 files changed, 60 insertions, 8 deletions
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 7193886..59b8ff0 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -154,7 +154,7 @@ namespace OpenSim.Region.Physics.OdePlugin
154 d.WorldSetContactMaxCorrectingVel(world, 1000.0f); 154 d.WorldSetContactMaxCorrectingVel(world, 1000.0f);
155 } 155 }
156 156
157 _heightmap = new double[258*258]; 157 _heightmap = new double[514*514];
158 158
159 for (int i = 0; i < staticPrimspace.GetLength(0); i++) 159 for (int i = 0; i < staticPrimspace.GetLength(0); i++)
160 { 160 {
@@ -885,25 +885,77 @@ namespace OpenSim.Region.Physics.OdePlugin
885 get { return (false); // for now we won't be multithreaded 885 get { return (false); // for now we won't be multithreaded
886 } 886 }
887 } 887 }
888 public float[] ResizeTerrain512(float[] heightMap)
889 {
890 float[] returnarr = new float[262144];
891 float[,] resultarr = new float[256, 256];
892
893 // Filling out the array into it's multi-dimentional components
894 for (int y = 0; y < 256; y++)
895 {
896 for (int x = 0; x < 256; x++)
897 {
898 resultarr[y,x] = heightMap[y * 256 + x];
899 }
900 }
901
902 // Resize using the nearest neighbor method
903 // Going to be doing interpolation here soon
904
905 // This particular way is quick but it only works on a multiple of the original
906
907 float[,] resultarr2 = new float[512, 512];
908 for (int y = 0; y < 256; y++)
909 {
910 for (int x = 0; x < 256; x++)
911 {
912 resultarr2[y*2,x*2] = resultarr[y,x];
913
914 if (y < 256)
915 resultarr2[(y*2)+1,x*2] = resultarr[y,x];
916 if (x < 256)
917 resultarr2[y*2,(x*2)+1] = resultarr[y,x];
888 918
919 if (x<256 && y < 256)
920 resultarr2[(y*2)+1,(x*2)+1] = resultarr[y,x];
921 }
922
923 }
924 //Flatten out the array
925 int i = 0;
926 for (int y = 0; y < 512; y++)
927 {
928 for (int x = 0; x < 512; x++)
929 {
930 returnarr[i] = resultarr2[y, x];
931 i++;
932 }
933 }
934
935 return returnarr;
936
937 }
889 public override void SetTerrain(float[] heightMap) 938 public override void SetTerrain(float[] heightMap)
890 { 939 {
891 // this._heightmap[i] = (double)heightMap[i]; 940 // this._heightmap[i] = (double)heightMap[i];
892 // dbm (danx0r) -- heightmap x,y must be swapped for Ode (should fix ODE, but for now...) 941 // dbm (danx0r) -- heightmap x,y must be swapped for Ode (should fix ODE, but for now...)
893 // also, creating a buffer zone of one extra sample all around 942 // also, creating a buffer zone of one extra sample all around
894 for (int x = 0; x < 258; x++) 943
944 //Double resolution
945 heightMap = ResizeTerrain512(heightMap);
946 for (int x = 0; x < 514; x++)
895 { 947 {
896 for (int y = 0; y < 258; y++) 948 for (int y = 0; y < 514; y++)
897 { 949 {
898 int xx = x - 1; 950 int xx = x - 1;
899 if (xx < 0) xx = 0; 951 if (xx < 0) xx = 0;
900 if (xx > 255) xx = 255; 952 if (xx > 511) xx = 511;
901 int yy = y - 1; 953 int yy = y - 1;
902 if (yy < 0) yy = 0; 954 if (yy < 0) yy = 0;
903 if (yy > 255) yy = 255; 955 if (yy > 511) yy = 511;
904 956
905 double val = (double) heightMap[yy*256 + xx]; 957 double val = (double) heightMap[yy*512 + xx];
906 _heightmap[x*258 + y] = val; 958 _heightmap[x*514 + y] = val;
907 } 959 }
908 } 960 }
909 961
@@ -914,7 +966,7 @@ namespace OpenSim.Region.Physics.OdePlugin
914 d.SpaceRemove(space, LandGeom); 966 d.SpaceRemove(space, LandGeom);
915 } 967 }
916 IntPtr HeightmapData = d.GeomHeightfieldDataCreate(); 968 IntPtr HeightmapData = d.GeomHeightfieldDataCreate();
917 d.GeomHeightfieldDataBuildDouble(HeightmapData, _heightmap, 0, 258, 258, 258, 258, 1.0f, 0.0f, 2.0f, 0); 969 d.GeomHeightfieldDataBuildDouble(HeightmapData, _heightmap, 0, 258, 258, 514, 514, 1.0f, 0.0f, 2.0f, 0);
918 d.GeomHeightfieldDataSetBounds(HeightmapData, 256, 256); 970 d.GeomHeightfieldDataSetBounds(HeightmapData, 256, 256);
919 LandGeom = d.CreateHeightfield(space, HeightmapData, 1); 971 LandGeom = d.CreateHeightfield(space, HeightmapData, 1);
920 geom_name_map[LandGeom] = "Terrain"; 972 geom_name_map[LandGeom] = "Terrain";