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Addign the new / renamed files for previous commit

viewer-2-initial-appearance
Melanie 2010-10-03 16:34:55 +01:00
parent ab4be3ffdf
commit 27340f616e
8 changed files with 2655 additions and 0 deletions
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39
OpenSim/Region/CoreModules/World/LegacyMap/IMapTileTerrainRenderer.cs Normal file
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System.Drawing;
using Nini.Config;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.LegacyMap
{
public interface IMapTileTerrainRenderer
{
void Initialise(Scene scene, IConfigSource config);
void TerrainToBitmap(Bitmap mapbmp);
}
}

549
OpenSim/Region/CoreModules/World/LegacyMap/MapImageModule.cs Normal file
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.Imaging;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.LegacyMap
{
public enum DrawRoutine
{
Rectangle,
Polygon,
Ellipse
}
public struct face
{
public Point[] pts;
}
public struct DrawStruct
{
public DrawRoutine dr;
public Rectangle rect;
public SolidBrush brush;
public face[] trns;
}
public class MapImageModule : IMapImageGenerator, IRegionModule
{
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Scene m_scene;
private IConfigSource m_config;
private IMapTileTerrainRenderer terrainRenderer;
#region IMapImageGenerator Members
public Bitmap CreateMapTile()
{
bool drawPrimVolume = true;
bool textureTerrain = false;
try
{
IConfig startupConfig = m_config.Configs["Startup"];
drawPrimVolume = startupConfig.GetBoolean("DrawPrimOnMapTile", drawPrimVolume);
textureTerrain = startupConfig.GetBoolean("TextureOnMapTile", textureTerrain);
}
catch
{
m_log.Warn("[MAPTILE]: Failed to load StartupConfig");
}
if (textureTerrain)
{
terrainRenderer = new TexturedMapTileRenderer();
}
else
{
terrainRenderer = new ShadedMapTileRenderer();
}
terrainRenderer.Initialise(m_scene, m_config);
Bitmap mapbmp = new Bitmap((int)Constants.RegionSize, (int)Constants.RegionSize, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
//long t = System.Environment.TickCount;
//for (int i = 0; i < 10; ++i) {
terrainRenderer.TerrainToBitmap(mapbmp);
//}
//t = System.Environment.TickCount - t;
//m_log.InfoFormat("[MAPTILE] generation of 10 maptiles needed {0} ms", t);
if (drawPrimVolume)
{
DrawObjectVolume(m_scene, mapbmp);
}
return mapbmp;
}
public byte[] WriteJpeg2000Image()
{
try
{
using (Bitmap mapbmp = CreateMapTile())
return OpenJPEG.EncodeFromImage(mapbmp, true);
}
catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke
{
m_log.Error("Failed generating terrain map: " + e);
}
return null;
}
#endregion
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource source)
{
m_scene = scene;
m_config = source;
IConfig startupConfig = m_config.Configs["Startup"];
if (startupConfig.GetString("MapImageModule", "MapImageModule") !=
"MapImageModule")
return;
m_scene.RegisterModuleInterface<IMapImageGenerator>(this);
}
public void PostInitialise()
{
}
public void Close()
{
}
public string Name
{
get { return "MapImageModule"; }
}
public bool IsSharedModule
{
get { return false; }
}
#endregion
// TODO: unused:
// private void ShadeBuildings(Bitmap map)
// {
// lock (map)
// {
// lock (m_scene.Entities)
// {
// foreach (EntityBase entity in m_scene.Entities.Values)
// {
// if (entity is SceneObjectGroup)
// {
// SceneObjectGroup sog = (SceneObjectGroup) entity;
//
// foreach (SceneObjectPart primitive in sog.Children.Values)
// {
// int x = (int) (primitive.AbsolutePosition.X - (primitive.Scale.X / 2));
// int y = (int) (primitive.AbsolutePosition.Y - (primitive.Scale.Y / 2));
// int w = (int) primitive.Scale.X;
// int h = (int) primitive.Scale.Y;
//
// int dx;
// for (dx = x; dx < x + w; dx++)
// {
// int dy;
// for (dy = y; dy < y + h; dy++)
// {
// if (x < 0 || y < 0)
// continue;
// if (x >= map.Width || y >= map.Height)
// continue;
//
// map.SetPixel(dx, dy, Color.DarkGray);
// }
// }
// }
// }
// }
// }
// }
// }
private Bitmap DrawObjectVolume(Scene whichScene, Bitmap mapbmp)
{
int tc = 0;
double[,] hm = whichScene.Heightmap.GetDoubles();
tc = Environment.TickCount;
m_log.Info("[MAPTILE]: Generating Maptile Step 2: Object Volume Profile");
EntityBase[] objs = whichScene.GetEntities();
Dictionary<uint, DrawStruct> z_sort = new Dictionary<uint, DrawStruct>();
//SortedList<float, RectangleDrawStruct> z_sort = new SortedList<float, RectangleDrawStruct>();
List<float> z_sortheights = new List<float>();
List<uint> z_localIDs = new List<uint>();
lock (objs)
{
foreach (EntityBase obj in objs)
{
// Only draw the contents of SceneObjectGroup
if (obj is SceneObjectGroup)
{
SceneObjectGroup mapdot = (SceneObjectGroup)obj;
Color mapdotspot = Color.Gray; // Default color when prim color is white
// Loop over prim in group
foreach (SceneObjectPart part in mapdot.Parts)
{
if (part == null)
continue;
// Draw if the object is at least 1 meter wide in any direction
if (part.Scale.X > 1f || part.Scale.Y > 1f || part.Scale.Z > 1f)
{
// Try to get the RGBA of the default texture entry..
//
try
{
// get the null checks out of the way
// skip the ones that break
if (part == null)
continue;
if (part.Shape == null)
continue;
if (part.Shape.PCode == (byte)PCode.Tree || part.Shape.PCode == (byte)PCode.NewTree || part.Shape.PCode == (byte)PCode.Grass)
continue; // eliminates trees from this since we don't really have a good tree representation
// if you want tree blocks on the map comment the above line and uncomment the below line
//mapdotspot = Color.PaleGreen;
Primitive.TextureEntry textureEntry = part.Shape.Textures;
if (textureEntry == null || textureEntry.DefaultTexture == null)
continue;
Color4 texcolor = textureEntry.DefaultTexture.RGBA;
// Not sure why some of these are null, oh well.
int colorr = 255 - (int)(texcolor.R * 255f);
int colorg = 255 - (int)(texcolor.G * 255f);
int colorb = 255 - (int)(texcolor.B * 255f);
if (!(colorr == 255 && colorg == 255 && colorb == 255))
{
//Try to set the map spot color
try
{
// If the color gets goofy somehow, skip it *shakes fist at Color4
mapdotspot = Color.FromArgb(colorr, colorg, colorb);
}
catch (ArgumentException)
{
}
}
}
catch (IndexOutOfRangeException)
{
// Windows Array
}
catch (ArgumentOutOfRangeException)
{
// Mono Array
}
Vector3 pos = part.GetWorldPosition();
// skip prim outside of retion
if (pos.X < 0f || pos.X > 256f || pos.Y < 0f || pos.Y > 256f)
continue;
// skip prim in non-finite position
if (Single.IsNaN(pos.X) || Single.IsNaN(pos.Y) ||
Single.IsInfinity(pos.X) || Single.IsInfinity(pos.Y))
continue;
// Figure out if object is under 256m above the height of the terrain
bool isBelow256AboveTerrain = false;
try
{
isBelow256AboveTerrain = (pos.Z < ((float)hm[(int)pos.X, (int)pos.Y] + 256f));
}
catch (Exception)
{
}
if (isBelow256AboveTerrain)
{
// Translate scale by rotation so scale is represented properly when object is rotated
Vector3 lscale = new Vector3(part.Shape.Scale.X, part.Shape.Scale.Y, part.Shape.Scale.Z);
Vector3 scale = new Vector3();
Vector3 tScale = new Vector3();
Vector3 axPos = new Vector3(pos.X,pos.Y,pos.Z);
Quaternion llrot = part.GetWorldRotation();
Quaternion rot = new Quaternion(llrot.W, llrot.X, llrot.Y, llrot.Z);
scale = lscale * rot;
// negative scales don't work in this situation
scale.X = Math.Abs(scale.X);
scale.Y = Math.Abs(scale.Y);
scale.Z = Math.Abs(scale.Z);
// This scaling isn't very accurate and doesn't take into account the face rotation :P
int mapdrawstartX = (int)(pos.X - scale.X);
int mapdrawstartY = (int)(pos.Y - scale.Y);
int mapdrawendX = (int)(pos.X + scale.X);
int mapdrawendY = (int)(pos.Y + scale.Y);
// If object is beyond the edge of the map, don't draw it to avoid errors
if (mapdrawstartX < 0 || mapdrawstartX > ((int)Constants.RegionSize - 1) || mapdrawendX < 0 || mapdrawendX > ((int)Constants.RegionSize - 1)
|| mapdrawstartY < 0 || mapdrawstartY > ((int)Constants.RegionSize - 1) || mapdrawendY < 0
|| mapdrawendY > ((int)Constants.RegionSize - 1))
continue;
#region obb face reconstruction part duex
Vector3[] vertexes = new Vector3[8];
// float[] distance = new float[6];
Vector3[] FaceA = new Vector3[6]; // vertex A for Facei
Vector3[] FaceB = new Vector3[6]; // vertex B for Facei
Vector3[] FaceC = new Vector3[6]; // vertex C for Facei
Vector3[] FaceD = new Vector3[6]; // vertex D for Facei
tScale = new Vector3(lscale.X, -lscale.Y, lscale.Z);
scale = ((tScale * rot));
vertexes[0] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[0].x = pos.X + vertexes[0].x;
//vertexes[0].y = pos.Y + vertexes[0].y;
//vertexes[0].z = pos.Z + vertexes[0].z;
FaceA[0] = vertexes[0];
FaceB[3] = vertexes[0];
FaceA[4] = vertexes[0];
tScale = lscale;
scale = ((tScale * rot));
vertexes[1] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[1].x = pos.X + vertexes[1].x;
// vertexes[1].y = pos.Y + vertexes[1].y;
//vertexes[1].z = pos.Z + vertexes[1].z;
FaceB[0] = vertexes[1];
FaceA[1] = vertexes[1];
FaceC[4] = vertexes[1];
tScale = new Vector3(lscale.X, -lscale.Y, -lscale.Z);
scale = ((tScale * rot));
vertexes[2] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
//vertexes[2].x = pos.X + vertexes[2].x;
//vertexes[2].y = pos.Y + vertexes[2].y;
//vertexes[2].z = pos.Z + vertexes[2].z;
FaceC[0] = vertexes[2];
FaceD[3] = vertexes[2];
FaceC[5] = vertexes[2];
tScale = new Vector3(lscale.X, lscale.Y, -lscale.Z);
scale = ((tScale * rot));
vertexes[3] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
//vertexes[3].x = pos.X + vertexes[3].x;
// vertexes[3].y = pos.Y + vertexes[3].y;
// vertexes[3].z = pos.Z + vertexes[3].z;
FaceD[0] = vertexes[3];
FaceC[1] = vertexes[3];
FaceA[5] = vertexes[3];
tScale = new Vector3(-lscale.X, lscale.Y, lscale.Z);
scale = ((tScale * rot));
vertexes[4] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[4].x = pos.X + vertexes[4].x;
// vertexes[4].y = pos.Y + vertexes[4].y;
// vertexes[4].z = pos.Z + vertexes[4].z;
FaceB[1] = vertexes[4];
FaceA[2] = vertexes[4];
FaceD[4] = vertexes[4];
tScale = new Vector3(-lscale.X, lscale.Y, -lscale.Z);
scale = ((tScale * rot));
vertexes[5] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[5].x = pos.X + vertexes[5].x;
// vertexes[5].y = pos.Y + vertexes[5].y;
// vertexes[5].z = pos.Z + vertexes[5].z;
FaceD[1] = vertexes[5];
FaceC[2] = vertexes[5];
FaceB[5] = vertexes[5];
tScale = new Vector3(-lscale.X, -lscale.Y, lscale.Z);
scale = ((tScale * rot));
vertexes[6] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[6].x = pos.X + vertexes[6].x;
// vertexes[6].y = pos.Y + vertexes[6].y;
// vertexes[6].z = pos.Z + vertexes[6].z;
FaceB[2] = vertexes[6];
FaceA[3] = vertexes[6];
FaceB[4] = vertexes[6];
tScale = new Vector3(-lscale.X, -lscale.Y, -lscale.Z);
scale = ((tScale * rot));
vertexes[7] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
// vertexes[7].x = pos.X + vertexes[7].x;
// vertexes[7].y = pos.Y + vertexes[7].y;
// vertexes[7].z = pos.Z + vertexes[7].z;
FaceD[2] = vertexes[7];
FaceC[3] = vertexes[7];
FaceD[5] = vertexes[7];
#endregion
//int wy = 0;
//bool breakYN = false; // If we run into an error drawing, break out of the
// loop so we don't lag to death on error handling
DrawStruct ds = new DrawStruct();
ds.brush = new SolidBrush(mapdotspot);
//ds.rect = new Rectangle(mapdrawstartX, (255 - mapdrawstartY), mapdrawendX - mapdrawstartX, mapdrawendY - mapdrawstartY);
ds.trns = new face[FaceA.Length];
for (int i = 0; i < FaceA.Length; i++)
{
Point[] working = new Point[5];
working[0] = project(FaceA[i], axPos);
working[1] = project(FaceB[i], axPos);
working[2] = project(FaceD[i], axPos);
working[3] = project(FaceC[i], axPos);
working[4] = project(FaceA[i], axPos);
face workingface = new face();
workingface.pts = working;
ds.trns[i] = workingface;
}
z_sort.Add(part.LocalId, ds);
z_localIDs.Add(part.LocalId);
z_sortheights.Add(pos.Z);
//for (int wx = mapdrawstartX; wx < mapdrawendX; wx++)
//{
//for (wy = mapdrawstartY; wy < mapdrawendY; wy++)
//{
//m_log.InfoFormat("[MAPDEBUG]: {0},{1}({2})", wx, (255 - wy),wy);
//try
//{
// Remember, flip the y!
// mapbmp.SetPixel(wx, (255 - wy), mapdotspot);
//}
//catch (ArgumentException)
//{
// breakYN = true;
//}
//if (breakYN)
// break;
//}
//if (breakYN)
// break;
//}
} // Object is within 256m Z of terrain
} // object is at least a meter wide
} // loop over group children
} // entitybase is sceneobject group
} // foreach loop over entities
float[] sortedZHeights = z_sortheights.ToArray();
uint[] sortedlocalIds = z_localIDs.ToArray();
// Sort prim by Z position
Array.Sort(sortedZHeights, sortedlocalIds);
Graphics g = Graphics.FromImage(mapbmp);
for (int s = 0; s < sortedZHeights.Length; s++)
{
if (z_sort.ContainsKey(sortedlocalIds[s]))
{
DrawStruct rectDrawStruct = z_sort[sortedlocalIds[s]];
for (int r = 0; r < rectDrawStruct.trns.Length; r++)
{
g.FillPolygon(rectDrawStruct.brush,rectDrawStruct.trns[r].pts);
}
//g.FillRectangle(rectDrawStruct.brush , rectDrawStruct.rect);
}
}
g.Dispose();
} // lock entities objs
m_log.Info("[MAPTILE]: Generating Maptile Step 2: Done in " + (Environment.TickCount - tc) + " ms");
return mapbmp;
}
private Point project(Vector3 point3d, Vector3 originpos)
{
Point returnpt = new Point();
//originpos = point3d;
//int d = (int)(256f / 1.5f);
//Vector3 topos = new Vector3(0, 0, 0);
// float z = -point3d.z - topos.z;
returnpt.X = (int)point3d.X;//(int)((topos.x - point3d.x) / z * d);
returnpt.Y = (int)(((int)Constants.RegionSize - 1) - point3d.Y);//(int)(255 - (((topos.y - point3d.y) / z * d)));
return returnpt;
}
}
}

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OpenSim/Region/CoreModules/World/LegacyMap/ShadedMapTileRenderer.cs Normal file
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Drawing;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.LegacyMap
{
public class ShadedMapTileRenderer : IMapTileTerrainRenderer
{
private static readonly Color WATER_COLOR = Color.FromArgb(29, 71, 95);
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Scene m_scene;
//private IConfigSource m_config; // not used currently
public void Initialise(Scene scene, IConfigSource config)
{
m_scene = scene;
// m_config = config; // not used currently
}
public void TerrainToBitmap(Bitmap mapbmp)
{
int tc = Environment.TickCount;
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Terrain");
double[,] hm = m_scene.Heightmap.GetDoubles();
bool ShadowDebugContinue = true;
bool terraincorruptedwarningsaid = false;
float low = 255;
float high = 0;
for (int x = 0; x < (int)Constants.RegionSize; x++)
{
for (int y = 0; y < (int)Constants.RegionSize; y++)
{
float hmval = (float)hm[x, y];
if (hmval < low)
low = hmval;
if (hmval > high)
high = hmval;
}
}
float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;
for (int x = 0; x < (int)Constants.RegionSize; x++)
{
for (int y = 0; y < (int)Constants.RegionSize; y++)
{
// Y flip the cordinates for the bitmap: hf origin is lower left, bm origin is upper left
int yr = ((int)Constants.RegionSize - 1) - y;
float heightvalue = (float)hm[x, y];
if (heightvalue > waterHeight)
{
// scale height value
// No, that doesn't scale it:
// heightvalue = low + mid * (heightvalue - low) / mid; => low + (heightvalue - low) * mid / mid = low + (heightvalue - low) * 1 = low + heightvalue - low = heightvalue
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
heightvalue = 0;
else if (heightvalue > 255f)
heightvalue = 255f;
else if (heightvalue < 0f)
heightvalue = 0f;
Color color = Color.FromArgb((int)heightvalue, 100, (int)heightvalue);
mapbmp.SetPixel(x, yr, color);
try
{
//X
// .
//
// Shade the terrain for shadows
if (x < ((int)Constants.RegionSize - 1) && yr < ((int)Constants.RegionSize - 1))
{
float hfvalue = (float)hm[x, y];
float hfvaluecompare = 0f;
if ((x + 1 < (int)Constants.RegionSize) && (y + 1 < (int)Constants.RegionSize))
{
hfvaluecompare = (float)hm[x + 1, y + 1]; // light from north-east => look at land height there
}
if (Single.IsInfinity(hfvalue) || Single.IsNaN(hfvalue))
hfvalue = 0f;
if (Single.IsInfinity(hfvaluecompare) || Single.IsNaN(hfvaluecompare))
hfvaluecompare = 0f;
float hfdiff = hfvalue - hfvaluecompare; // => positive if NE is lower, negative if here is lower
int hfdiffi = 0;
int hfdiffihighlight = 0;
float highlightfactor = 0.18f;
try
{
// hfdiffi = Math.Abs((int)((hfdiff * 4) + (hfdiff * 0.5))) + 1;
hfdiffi = Math.Abs((int)(hfdiff * 4.5f)) + 1;
if (hfdiff % 1f != 0)
{
// hfdiffi = hfdiffi + Math.Abs((int)(((hfdiff % 1) * 0.5f) * 10f) - 1);
hfdiffi = hfdiffi + Math.Abs((int)((hfdiff % 1f) * 5f) - 1);
}
hfdiffihighlight = Math.Abs((int)((hfdiff * highlightfactor) * 4.5f)) + 1;
if (hfdiff % 1f != 0)
{
// hfdiffi = hfdiffi + Math.Abs((int)(((hfdiff % 1) * 0.5f) * 10f) - 1);
hfdiffihighlight = hfdiffihighlight + Math.Abs((int)(((hfdiff * highlightfactor) % 1f) * 5f) - 1);
}
}
catch (OverflowException)
{
m_log.Debug("[MAPTILE]: Shadow failed at value: " + hfdiff.ToString());
ShadowDebugContinue = false;
}
if (hfdiff > 0.3f)
{
// NE is lower than here
// We have to desaturate and lighten the land at the same time
// we use floats, colors use bytes, so shrink are space down to
// 0-255
if (ShadowDebugContinue)
{
int r = color.R;
int g = color.G;
int b = color.B;
color = Color.FromArgb((r + hfdiffihighlight < 255) ? r + hfdiffihighlight : 255,
(g + hfdiffihighlight < 255) ? g + hfdiffihighlight : 255,
(b + hfdiffihighlight < 255) ? b + hfdiffihighlight : 255);
}
}
else if (hfdiff < -0.3f)
{
// here is lower than NE:
// We have to desaturate and blacken the land at the same time
// we use floats, colors use bytes, so shrink are space down to
// 0-255
if (ShadowDebugContinue)
{
if ((x - 1 > 0) && (yr + 1 < (int)Constants.RegionSize))
{
color = mapbmp.GetPixel(x - 1, yr + 1);
int r = color.R;
int g = color.G;
int b = color.B;
color = Color.FromArgb((r - hfdiffi > 0) ? r - hfdiffi : 0,
(g - hfdiffi > 0) ? g - hfdiffi : 0,
(b - hfdiffi > 0) ? b - hfdiffi : 0);
mapbmp.SetPixel(x-1, yr+1, color);
}
}
}
}
}
catch (ArgumentException)
{
if (!terraincorruptedwarningsaid)
{
m_log.WarnFormat("[MAPIMAGE]: Your terrain is corrupted in region {0}, it might take a few minutes to generate the map image depending on the corruption level", m_scene.RegionInfo.RegionName);
terraincorruptedwarningsaid = true;
}
color = Color.Black;
mapbmp.SetPixel(x, yr, color);
}
}
else
{
// We're under the water level with the terrain, so paint water instead of land
// Y flip the cordinates
heightvalue = waterHeight - heightvalue;
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
heightvalue = 0f;
else if (heightvalue > 19f)
heightvalue = 19f;
else if (heightvalue < 0f)
heightvalue = 0f;
heightvalue = 100f - (heightvalue * 100f) / 19f;
try
{
mapbmp.SetPixel(x, yr, WATER_COLOR);
}
catch (ArgumentException)
{
if (!terraincorruptedwarningsaid)
{
m_log.WarnFormat("[MAPIMAGE]: Your terrain is corrupted in region {0}, it might take a few minutes to generate the map image depending on the corruption level", m_scene.RegionInfo.RegionName);
terraincorruptedwarningsaid = true;
}
Color black = Color.Black;
mapbmp.SetPixel(x, ((int)Constants.RegionSize - y) - 1, black);
}
}
}
}
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Done in " + (Environment.TickCount - tc) + " ms");
}
}
}

418
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.Imaging;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.LegacyMap
{
// Hue, Saturation, Value; used for color-interpolation
struct HSV {
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public float h;
public float s;
public float v;
public HSV(float h, float s, float v)
{
this.h = h;
this.s = s;
this.v = v;
}
// (for info about algorithm, see http://en.wikipedia.org/wiki/HSL_and_HSV)
public HSV(Color c)
{
float r = c.R / 255f;
float g = c.G / 255f;
float b = c.B / 255f;
float max = Math.Max(Math.Max(r, g), b);
float min = Math.Min(Math.Min(r, g), b);
float diff = max - min;
if (max == min) h = 0f;
else if (max == r) h = (g - b) / diff * 60f;
else if (max == g) h = (b - r) / diff * 60f + 120f;
else h = (r - g) / diff * 60f + 240f;
if (h < 0f) h += 360f;
if (max == 0f) s = 0f;
else s = diff / max;
v = max;
}
// (for info about algorithm, see http://en.wikipedia.org/wiki/HSL_and_HSV)
public Color toColor()
{
if (s < 0f) m_log.Debug("S < 0: " + s);
else if (s > 1f) m_log.Debug("S > 1: " + s);
if (v < 0f) m_log.Debug("V < 0: " + v);
else if (v > 1f) m_log.Debug("V > 1: " + v);
float f = h / 60f;
int sector = (int)f % 6;
f = f - (int)f;
int pi = (int)(v * (1f - s) * 255f);
int qi = (int)(v * (1f - s * f) * 255f);
int ti = (int)(v * (1f - (1f - f) * s) * 255f);
int vi = (int)(v * 255f);
if (pi < 0) pi = 0;
if (pi > 255) pi = 255;
if (qi < 0) qi = 0;
if (qi > 255) qi = 255;
if (ti < 0) ti = 0;
if (ti > 255) ti = 255;
if (vi < 0) vi = 0;
if (vi > 255) vi = 255;
switch (sector)
{
case 0:
return Color.FromArgb(vi, ti, pi);
case 1:
return Color.FromArgb(qi, vi, pi);
case 2:
return Color.FromArgb(pi, vi, ti);
case 3:
return Color.FromArgb(pi, qi, vi);
case 4:
return Color.FromArgb(ti, pi, vi);
default:
return Color.FromArgb(vi, pi, qi);
}
}
}
public class TexturedMapTileRenderer : IMapTileTerrainRenderer
{
#region Constants
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
// some hardcoded terrain UUIDs that work with SL 1.20 (the four default textures and "Blank").
// The color-values were choosen because they "look right" (at least to me) ;-)
private static readonly UUID defaultTerrainTexture1 = new UUID("0bc58228-74a0-7e83-89bc-5c23464bcec5");
private static readonly Color defaultColor1 = Color.FromArgb(165, 137, 118);
private static readonly UUID defaultTerrainTexture2 = new UUID("63338ede-0037-c4fd-855b-015d77112fc8");
private static readonly Color defaultColor2 = Color.FromArgb(69, 89, 49);
private static readonly UUID defaultTerrainTexture3 = new UUID("303cd381-8560-7579-23f1-f0a880799740");
private static readonly Color defaultColor3 = Color.FromArgb(162, 154, 141);
private static readonly UUID defaultTerrainTexture4 = new UUID("53a2f406-4895-1d13-d541-d2e3b86bc19c");
private static readonly Color defaultColor4 = Color.FromArgb(200, 200, 200);
private static readonly Color WATER_COLOR = Color.FromArgb(29, 71, 95);
#endregion
private Scene m_scene;
// private IConfigSource m_config; // not used currently
// mapping from texture UUIDs to averaged color. This will contain 5-9 values, in general; new values are only
// added when the terrain textures are changed in the estate dialog and a new map is generated (and will stay in
// that map until the region-server restarts. This could be considered a memory-leak, but it's a *very* small one.
// TODO does it make sense to use a "real" cache and regenerate missing entries on fetch?
private Dictionary<UUID, Color> m_mapping;
public void Initialise(Scene scene, IConfigSource source)
{
m_scene = scene;
// m_config = source; // not used currently
m_mapping = new Dictionary<UUID,Color>();
m_mapping.Add(defaultTerrainTexture1, defaultColor1);
m_mapping.Add(defaultTerrainTexture2, defaultColor2);
m_mapping.Add(defaultTerrainTexture3, defaultColor3);
m_mapping.Add(defaultTerrainTexture4, defaultColor4);
m_mapping.Add(Util.BLANK_TEXTURE_UUID, Color.White);
}
#region Helpers
// This fetches the texture from the asset server synchroneously. That should be ok, as we
// call map-creation only in those places:
// - on start: We can wait here until the asset server returns the texture
// TODO (- on "map" command: We are in the command-line thread, we will wait for completion anyway)
// TODO (- on "automatic" update after some change: We are called from the mapUpdateTimer here and
// will wait anyway)
private Bitmap fetchTexture(UUID id)
{
AssetBase asset = m_scene.AssetService.Get(id.ToString());
m_log.DebugFormat("Fetched texture {0}, found: {1}", id, asset != null);
if (asset == null) return null;
ManagedImage managedImage;
Image image;
try
{
if (OpenJPEG.DecodeToImage(asset.Data, out managedImage, out image))
return new Bitmap(image);
else
return null;
}
catch (DllNotFoundException)
{
m_log.ErrorFormat("[TexturedMapTileRenderer]: OpenJpeg is not installed correctly on this system. Asset Data is emtpy for {0}", id);
}
catch (IndexOutOfRangeException)
{
m_log.ErrorFormat("[TexturedMapTileRenderer]: OpenJpeg was unable to encode this. Asset Data is emtpy for {0}", id);
}
catch (Exception)
{
m_log.ErrorFormat("[TexturedMapTileRenderer]: OpenJpeg was unable to encode this. Asset Data is emtpy for {0}", id);
}
return null;
}
// Compute the average color of a texture.
private Color computeAverageColor(Bitmap bmp)
{
// we have 256 x 256 pixel, each with 256 possible color-values per
// color-channel, so 2^24 is the maximum value we can get, adding everything.
// int is be big enough for that.
int r = 0, g = 0, b = 0;
for (int y = 0; y < bmp.Height; ++y)
{
for (int x = 0; x < bmp.Width; ++x)
{
Color c = bmp.GetPixel(x, y);
r += (int)c.R & 0xff;
g += (int)c.G & 0xff;
b += (int)c.B & 0xff;
}
}
int pixels = bmp.Width * bmp.Height;
return Color.FromArgb(r / pixels, g / pixels, b / pixels);
}
// return either the average color of the texture, or the defaultColor if the texturID is invalid
// or the texture couldn't be found
private Color computeAverageColor(UUID textureID, Color defaultColor) {
if (textureID == UUID.Zero) return defaultColor; // not set
if (m_mapping.ContainsKey(textureID)) return m_mapping[textureID]; // one of the predefined textures
Bitmap bmp = fetchTexture(textureID);
Color color = bmp == null ? defaultColor : computeAverageColor(bmp);
// store it for future reference
m_mapping[textureID] = color;
return color;
}
// S-curve: f(x) = 3x² - 2x³:
// f(0) = 0, f(0.5) = 0.5, f(1) = 1,
// f'(x) = 0 at x = 0 and x = 1; f'(0.5) = 1.5,
// f''(0.5) = 0, f''(x) != 0 for x != 0.5
private float S(float v) {
return (v * v * (3f - 2f * v));
}
// interpolate two colors in HSV space and return the resulting color
private HSV interpolateHSV(ref HSV c1, ref HSV c2, float ratio) {
if (ratio <= 0f) return c1;
if (ratio >= 1f) return c2;
// make sure we are on the same side on the hue-circle for interpolation
// We change the hue of the parameters here, but we don't change the color
// represented by that value
if (c1.h - c2.h > 180f) c1.h -= 360f;
else if (c2.h - c1.h > 180f) c1.h += 360f;
return new HSV(c1.h * (1f - ratio) + c2.h * ratio,
c1.s * (1f - ratio) + c2.s * ratio,
c1.v * (1f - ratio) + c2.v * ratio);
}
// the heigthfield might have some jumps in values. Rendered land is smooth, though,
// as a slope is rendered at that place. So average 4 neighbour values to emulate that.
private float getHeight(double[,] hm, int x, int y) {
if (x < ((int)Constants.RegionSize - 1) && y < ((int)Constants.RegionSize - 1))
return (float)(hm[x, y] * .444 + (hm[x + 1, y] + hm[x, y + 1]) * .222 + hm[x + 1, y +1] * .112);
else
return (float)hm[x, y];
}
#endregion
public void TerrainToBitmap(Bitmap mapbmp)
{
int tc = Environment.TickCount;
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Terrain");
// These textures should be in the AssetCache anyway, as every client conneting to this
// region needs them. Except on start, when the map is recreated (before anyone connected),
// and on change of the estate settings (textures and terrain values), when the map should
// be recreated.
RegionSettings settings = m_scene.RegionInfo.RegionSettings;
// the four terrain colors as HSVs for interpolation
HSV hsv1 = new HSV(computeAverageColor(settings.TerrainTexture1, defaultColor1));
HSV hsv2 = new HSV(computeAverageColor(settings.TerrainTexture2, defaultColor2));
HSV hsv3 = new HSV(computeAverageColor(settings.TerrainTexture3, defaultColor3));
HSV hsv4 = new HSV(computeAverageColor(settings.TerrainTexture4, defaultColor4));
float levelNElow = (float)settings.Elevation1NE;
float levelNEhigh = (float)settings.Elevation2NE;
float levelNWlow = (float)settings.Elevation1NW;
float levelNWhigh = (float)settings.Elevation2NW;
float levelSElow = (float)settings.Elevation1SE;
float levelSEhigh = (float)settings.Elevation2SE;
float levelSWlow = (float)settings.Elevation1SW;
float levelSWhigh = (float)settings.Elevation2SW;
float waterHeight = (float)settings.WaterHeight;
double[,] hm = m_scene.Heightmap.GetDoubles();
for (int x = 0; x < (int)Constants.RegionSize; x++)
{
float columnRatio = x / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
for (int y = 0; y < (int)Constants.RegionSize; y++)
{
float rowRatio = y / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
// Y flip the cordinates for the bitmap: hf origin is lower left, bm origin is upper left
int yr = ((int)Constants.RegionSize - 1) - y;
float heightvalue = getHeight(hm, x, y);
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
heightvalue = 0;
if (heightvalue > waterHeight)
{
// add a bit noise for breaking up those flat colors:
// - a large-scale noise, for the "patches" (using an doubled s-curve for sharper contrast)
// - a small-scale noise, for bringing in some small scale variation
//float bigNoise = (float)TerrainUtil.InterpolatedNoise(x / 8.0, y / 8.0) * .5f + .5f; // map to 0.0 - 1.0
//float smallNoise = (float)TerrainUtil.InterpolatedNoise(x + 33, y + 43) * .5f + .5f;
//float hmod = heightvalue + smallNoise * 3f + S(S(bigNoise)) * 10f;
float hmod =
heightvalue +
(float)TerrainUtil.InterpolatedNoise(x + 33, y + 43) * 1.5f + 1.5f + // 0 - 3
S(S((float)TerrainUtil.InterpolatedNoise(x / 8.0, y / 8.0) * .5f + .5f)) * 10f; // 0 - 10
// find the low/high values for this point (interpolated bilinearily)
// (and remember, x=0,y=0 is SW)
float low = levelSWlow * (1f - rowRatio) * (1f - columnRatio) +
levelSElow * (1f - rowRatio) * columnRatio +
levelNWlow * rowRatio * (1f - columnRatio) +
levelNElow * rowRatio * columnRatio;
float high = levelSWhigh * (1f - rowRatio) * (1f - columnRatio) +
levelSEhigh * (1f - rowRatio) * columnRatio +
levelNWhigh * rowRatio * (1f - columnRatio) +
levelNEhigh * rowRatio * columnRatio;
if (high < low)
{
// someone tried to fool us. High value should be higher than low every time
float tmp = high;
high = low;
low = tmp;
}
HSV hsv;
if (hmod <= low) hsv = hsv1; // too low
else if (hmod >= high) hsv = hsv4; // too high
else
{
// HSV-interpolate along the colors
// first, rescale h to 0.0 - 1.0
hmod = (hmod - low) / (high - low);
// now we have to split: 0.00 => color1, 0.33 => color2, 0.67 => color3, 1.00 => color4
if (hmod < 1f/3f) hsv = interpolateHSV(ref hsv1, ref hsv2, hmod * 3f);
else if (hmod < 2f/3f) hsv = interpolateHSV(ref hsv2, ref hsv3, (hmod * 3f) - 1f);
else hsv = interpolateHSV(ref hsv3, ref hsv4, (hmod * 3f) - 2f);
}
// Shade the terrain for shadows
if (x < ((int)Constants.RegionSize - 1) && y < ((int)Constants.RegionSize - 1))
{
float hfvaluecompare = getHeight(hm, x + 1, y + 1); // light from north-east => look at land height there
if (Single.IsInfinity(hfvaluecompare) || Single.IsNaN(hfvaluecompare))
hfvaluecompare = 0f;
float hfdiff = heightvalue - hfvaluecompare; // => positive if NE is lower, negative if here is lower
hfdiff *= 0.06f; // some random factor so "it looks good"
if (hfdiff > 0.02f)
{
float highlightfactor = 0.18f;
// NE is lower than here
// We have to desaturate and lighten the land at the same time
hsv.s = (hsv.s - (hfdiff * highlightfactor) > 0f) ? hsv.s - (hfdiff * highlightfactor) : 0f;
hsv.v = (hsv.v + (hfdiff * highlightfactor) < 1f) ? hsv.v + (hfdiff * highlightfactor) : 1f;
}
else if (hfdiff < -0.02f)
{
// here is lower than NE:
// We have to desaturate and blacken the land at the same time
hsv.s = (hsv.s + hfdiff > 0f) ? hsv.s + hfdiff : 0f;
hsv.v = (hsv.v + hfdiff > 0f) ? hsv.v + hfdiff : 0f;
}
}
mapbmp.SetPixel(x, yr, hsv.toColor());
}
else
{
// We're under the water level with the terrain, so paint water instead of land
heightvalue = waterHeight - heightvalue;
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
heightvalue = 0f;
else if (heightvalue > 19f)
heightvalue = 19f;
else if (heightvalue < 0f)
heightvalue = 0f;
heightvalue = 100f - (heightvalue * 100f) / 19f; // 0 - 19 => 100 - 0
mapbmp.SetPixel(x, yr, WATER_COLOR);
}
}
}
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Done in " + (Environment.TickCount - tc) + " ms");
}
}
}

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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Reflection;
using CSJ2K;
using Nini.Config;
using log4net;
using Rednettle.Warp3D;
using OpenMetaverse;
using OpenMetaverse.Imaging;
using OpenMetaverse.Rendering;
using OpenMetaverse.StructuredData;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Region.Physics.Manager;
using OpenSim.Services.Interfaces;
using WarpRenderer = global::Warp3D.Warp3D;
namespace OpenSim.Region.CoreModules.World.Warp3DMap
{
public class Warp3DImageModule : IMapImageGenerator, IRegionModule
{
private static readonly UUID TEXTURE_METADATA_MAGIC = new UUID("802dc0e0-f080-4931-8b57-d1be8611c4f3");
private static readonly Color4 WATER_COLOR = new Color4(29, 71, 95, 216);
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Scene m_scene;
private IRendering m_primMesher;
private IConfigSource m_config;
private Dictionary<UUID, Color4> m_colors = new Dictionary<UUID, Color4>();
private bool m_useAntiAliasing = true; // TODO: Make this a config option
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource source)
{
m_scene = scene;
m_config = source;
IConfig startupConfig = m_config.Configs["Startup"];
if (startupConfig.GetString("MapImageModule", "MapImageModule") != "Warp3DImageModule")
return;
List<string> renderers = RenderingLoader.ListRenderers(Util.ExecutingDirectory());
if (renderers.Count > 0)
{
m_primMesher = RenderingLoader.LoadRenderer(renderers[0]);
m_log.Info("[MAPTILE]: Loaded prim mesher " + m_primMesher.ToString());
}
else
{
m_log.Info("[MAPTILE]: No prim mesher loaded, prim rendering will be disabled");
}
m_scene.RegisterModuleInterface<IMapImageGenerator>(this);
}
public void PostInitialise()
{
}
public void Close()
{
}
public string Name
{
get { return "Warp3DImageModule"; }
}
public bool IsSharedModule
{
get { return false; }
}
#endregion
#region IMapImageGenerator Members
public Bitmap CreateMapTile()
{
bool drawPrimVolume = true;
bool textureTerrain = true;
try
{
IConfig startupConfig = m_config.Configs["Startup"];
drawPrimVolume = startupConfig.GetBoolean("DrawPrimOnMapTile", drawPrimVolume);
textureTerrain = startupConfig.GetBoolean("TextureOnMapTile", textureTerrain);
}
catch
{
m_log.Warn("[MAPTILE]: Failed to load StartupConfig");
}
m_colors.Clear();
Vector3 camPos = new Vector3(127.5f, 127.5f, 221.7025033688163f);
Viewport viewport = new Viewport(camPos, -Vector3.UnitZ, 1024f, 0.1f, (int)Constants.RegionSize, (int)Constants.RegionSize, (float)Constants.RegionSize, (float)Constants.RegionSize);
int width = viewport.Width;
int height = viewport.Height;
if (m_useAntiAliasing)
{
width *= 2;
height *= 2;
}
WarpRenderer renderer = new WarpRenderer();
renderer.CreateScene(width, height);
renderer.Scene.autoCalcNormals = false;
#region Camera
warp_Vector pos = ConvertVector(viewport.Position);
pos.z -= 0.001f; // Works around an issue with the Warp3D camera
warp_Vector lookat = warp_Vector.add(ConvertVector(viewport.Position), ConvertVector(viewport.LookDirection));
renderer.Scene.defaultCamera.setPos(pos);
renderer.Scene.defaultCamera.lookAt(lookat);
if (viewport.Orthographic)
{
renderer.Scene.defaultCamera.isOrthographic = true;
renderer.Scene.defaultCamera.orthoViewWidth = viewport.OrthoWindowWidth;
renderer.Scene.defaultCamera.orthoViewHeight = viewport.OrthoWindowHeight;
}
else
{
float fov = viewport.FieldOfView;
fov *= 1.75f; // FIXME: ???
renderer.Scene.defaultCamera.setFov(fov);
}
#endregion Camera
renderer.Scene.addLight("Light1", new warp_Light(new warp_Vector(0.2f, 0.2f, 1f), 0xffffff, 320, 80));
renderer.Scene.addLight("Light2", new warp_Light(new warp_Vector(-1f, -1f, 1f), 0xffffff, 100, 40));
CreateWater(renderer);
CreateTerrain(renderer, textureTerrain);
if (drawPrimVolume)
CreateAllPrims(renderer);
renderer.Render();
Bitmap bitmap = renderer.Scene.getImage();
if (m_useAntiAliasing)
bitmap = ImageUtils.ResizeImage(bitmap, viewport.Width, viewport.Height);
return bitmap;
}
public byte[] WriteJpeg2000Image()
{
try
{
using (Bitmap mapbmp = CreateMapTile())
return OpenJPEG.EncodeFromImage(mapbmp, true);
}
catch (Exception e)
{
// JPEG2000 encoder failed
m_log.Error("[MAPTILE]: Failed generating terrain map: " + e);
}
return null;
}
#endregion
#region Rendering Methods
private void CreateWater(WarpRenderer renderer)
{
float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;
renderer.AddPlane("Water", 256f * 0.5f);
renderer.Scene.sceneobject("Water").setPos(127.5f, waterHeight, 127.5f);
renderer.AddMaterial("WaterColor", ConvertColor(WATER_COLOR));
renderer.Scene.material("WaterColor").setTransparency((byte)((1f - WATER_COLOR.A) * 255f));
renderer.SetObjectMaterial("Water", "WaterColor");
}
private void CreateTerrain(WarpRenderer renderer, bool textureTerrain)
{
ITerrainChannel terrain = m_scene.Heightmap;
float[] heightmap = terrain.GetFloatsSerialised();
warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
int v = y * 256 + x;
float height = heightmap[v];
warp_Vector pos = ConvertVector(new Vector3(x, y, height));
obj.addVertex(new warp_Vertex(pos, (float)x / 255f, (float)(255 - y) / 255f));
}
}
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
if (x < 255 && y < 255)
{
int v = y * 256 + x;
// Normal
Vector3 v1 = new Vector3(x, y, heightmap[y * 256 + x]);
Vector3 v2 = new Vector3(x + 1, y, heightmap[y * 256 + x + 1]);
Vector3 v3 = new Vector3(x, y + 1, heightmap[(y + 1) * 256 + x]);
warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
norm = norm.reverse();
obj.vertex(v).n = norm;
// Triangle 1
obj.addTriangle(
v,
v + 1,
v + 256);
// Triangle 2
obj.addTriangle(
v + 256 + 1,
v + 256,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
textureIDs[0] = regionInfo.TerrainTexture1;
textureIDs[1] = regionInfo.TerrainTexture2;
textureIDs[2] = regionInfo.TerrainTexture3;
textureIDs[3] = regionInfo.TerrainTexture4;
startHeights[0] = (float)regionInfo.Elevation1SW;
startHeights[1] = (float)regionInfo.Elevation1NW;
startHeights[2] = (float)regionInfo.Elevation1SE;
startHeights[3] = (float)regionInfo.Elevation1NE;
heightRanges[0] = (float)regionInfo.Elevation2SW;
heightRanges[1] = (float)regionInfo.Elevation2NW;
heightRanges[2] = (float)regionInfo.Elevation2SE;
heightRanges[3] = (float)regionInfo.Elevation2NE;
uint globalX, globalY;
Utils.LongToUInts(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
Bitmap image = TerrainSplat.Splat(heightmap, textureIDs, startHeights, heightRanges, new Vector3d(globalX, globalY, 0.0), m_scene.AssetService, textureTerrain);
warp_Texture texture = new warp_Texture(image);
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}
private void CreateAllPrims(WarpRenderer renderer)
{
if (m_primMesher == null)
return;
m_scene.ForEachSOG(
delegate(SceneObjectGroup group)
{
CreatePrim(renderer, group.RootPart);
foreach (SceneObjectPart child in group.Children.Values)
CreatePrim(renderer, child);
}
);
}
private void CreatePrim(WarpRenderer renderer, SceneObjectPart prim)
{
const float MIN_SIZE = 2f;
if ((PCode)prim.Shape.PCode != PCode.Prim)
return;
if (prim.Scale.LengthSquared() < MIN_SIZE * MIN_SIZE)
return;
Primitive omvPrim = prim.Shape.ToOmvPrimitive(prim.OffsetPosition, prim.RotationOffset);
FacetedMesh renderMesh = m_primMesher.GenerateFacetedMesh(omvPrim, DetailLevel.Medium);
if (renderMesh == null)
return;
warp_Vector primPos = ConvertVector(prim.AbsolutePosition);
warp_Quaternion primRot = ConvertQuaternion(prim.RotationOffset);
warp_Matrix m = warp_Matrix.quaternionMatrix(primRot);
if (prim.ParentID != 0)
{
SceneObjectGroup group = m_scene.SceneGraph.GetGroupByPrim(prim.LocalId);
if (group != null)
m.transform(warp_Matrix.quaternionMatrix(ConvertQuaternion(group.RootPart.RotationOffset)));
}
warp_Vector primScale = ConvertVector(prim.Scale);
string primID = prim.UUID.ToString();
// Create the prim faces
for (int i = 0; i < renderMesh.Faces.Count; i++)
{
Face face = renderMesh.Faces[i];
string meshName = primID + "-Face-" + i.ToString();
warp_Object faceObj = new warp_Object(face.Vertices.Count, face.Indices.Count / 3);
for (int j = 0; j < face.Vertices.Count; j++)
{
Vertex v = face.Vertices[j];
warp_Vector pos = ConvertVector(v.Position);
warp_Vector norm = ConvertVector(v.Normal);
if (prim.Shape.SculptTexture == UUID.Zero)
norm = norm.reverse();
warp_Vertex vert = new warp_Vertex(pos, norm, v.TexCoord.X, v.TexCoord.Y);
faceObj.addVertex(vert);
}
for (int j = 0; j < face.Indices.Count; j += 3)
{
faceObj.addTriangle(
face.Indices[j + 0],
face.Indices[j + 1],
face.Indices[j + 2]);
}
Primitive.TextureEntryFace teFace = prim.Shape.Textures.GetFace((uint)i);
Color4 faceColor = GetFaceColor(teFace);
string materialName = GetOrCreateMaterial(renderer, faceColor);
faceObj.transform(m);
faceObj.setPos(primPos);
faceObj.scaleSelf(primScale.x, primScale.y, primScale.z);
renderer.Scene.addObject(meshName, faceObj);
renderer.SetObjectMaterial(meshName, materialName);
}
}
private Color4 GetFaceColor(Primitive.TextureEntryFace face)
{
Color4 color;
if (face.TextureID == UUID.Zero)
return face.RGBA;
if (!m_colors.TryGetValue(face.TextureID, out color))
{
bool fetched = false;
// Attempt to fetch the texture metadata
UUID metadataID = UUID.Combine(face.TextureID, TEXTURE_METADATA_MAGIC);
AssetBase metadata = m_scene.AssetService.GetCached(metadataID.ToString());
if (metadata != null)
{
OSDMap map = null;
try { map = OSDParser.Deserialize(metadata.Data) as OSDMap; } catch { }
if (map != null)
{
color = map["X-JPEG2000-RGBA"].AsColor4();
fetched = true;
}
}
if (!fetched)
{
// Fetch the texture, decode and get the average color,
// then save it to a temporary metadata asset
AssetBase textureAsset = m_scene.AssetService.Get(face.TextureID.ToString());
if (textureAsset != null)
{
int width, height;
color = GetAverageColor(textureAsset.FullID, textureAsset.Data, out width, out height);
OSDMap data = new OSDMap { { "X-JPEG2000-RGBA", OSD.FromColor4(color) } };
metadata = new AssetBase
{
Data = System.Text.Encoding.UTF8.GetBytes(OSDParser.SerializeJsonString(data)),
Description = "Metadata for JPEG2000 texture " + face.TextureID.ToString(),
Flags = AssetFlags.Collectable,
FullID = metadataID,
ID = metadataID.ToString(),
Local = true,
Temporary = true,
Name = String.Empty,
Type = (sbyte)AssetType.Unknown
};
m_scene.AssetService.Store(metadata);
}
else
{
color = new Color4(0.5f, 0.5f, 0.5f, 1.0f);
}
}
m_colors[face.TextureID] = color;
}
return color * face.RGBA;
}
private string GetOrCreateMaterial(WarpRenderer renderer, Color4 color)
{
string name = color.ToString();
warp_Material material = renderer.Scene.material(name);
if (material != null)
return name;
renderer.AddMaterial(name, ConvertColor(color));
if (color.A < 1f)
renderer.Scene.material(name).setTransparency((byte)((1f - color.A) * 255f));
return name;
}
#endregion Rendering Methods
#region Static Helpers
private static warp_Vector ConvertVector(Vector3 vector)
{
return new warp_Vector(vector.X, vector.Z, vector.Y);
}
private static warp_Quaternion ConvertQuaternion(Quaternion quat)
{
return new warp_Quaternion(quat.X, quat.Z, quat.Y, -quat.W);
}
private static int ConvertColor(Color4 color)
{
int c = warp_Color.getColor((byte)(color.R * 255f), (byte)(color.G * 255f), (byte)(color.B * 255f));
if (color.A < 1f)
c |= (byte)(color.A * 255f) << 24;
return c;
}
private static Vector3 SurfaceNormal(Vector3 c1, Vector3 c2, Vector3 c3)
{
Vector3 edge1 = new Vector3(c2.X - c1.X, c2.Y - c1.Y, c2.Z - c1.Z);
Vector3 edge2 = new Vector3(c3.X - c1.X, c3.Y - c1.Y, c3.Z - c1.Z);
Vector3 normal = Vector3.Cross(edge1, edge2);
normal.Normalize();
return normal;
}
public static Color4 GetAverageColor(UUID textureID, byte[] j2kData, out int width, out int height)
{
ulong r = 0;
ulong g = 0;
ulong b = 0;
ulong a = 0;
using (MemoryStream stream = new MemoryStream(j2kData))
{
try
{
Bitmap bitmap = (Bitmap)J2kImage.FromStream(stream);
width = bitmap.Width;
height = bitmap.Height;
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, bitmap.PixelFormat);
int pixelBytes = (bitmap.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
// Sum up the individual channels
unsafe
{
if (pixelBytes == 4)
{
for (int y = 0; y < height; y++)
{
byte* row = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
for (int x = 0; x < width; x++)
{
b += row[x * pixelBytes + 0];
g += row[x * pixelBytes + 1];
r += row[x * pixelBytes + 2];
a += row[x * pixelBytes + 3];
}
}
}
else
{
for (int y = 0; y < height; y++)
{
byte* row = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
for (int x = 0; x < width; x++)
{
b += row[x * pixelBytes + 0];
g += row[x * pixelBytes + 1];
r += row[x * pixelBytes + 2];
}
}
}
}
// Get the averages for each channel
const decimal OO_255 = 1m / 255m;
decimal totalPixels = (decimal)(width * height);
decimal rm = ((decimal)r / totalPixels) * OO_255;
decimal gm = ((decimal)g / totalPixels) * OO_255;
decimal bm = ((decimal)b / totalPixels) * OO_255;
decimal am = ((decimal)a / totalPixels) * OO_255;
if (pixelBytes == 3)
am = 1m;
return new Color4((float)rm, (float)gm, (float)bm, (float)am);
}
catch (Exception ex)
{
m_log.WarnFormat("[MAPTILE]: Error decoding JPEG2000 texture {0} ({1} bytes): {2}", textureID, j2kData.Length, ex.Message);
width = 0;
height = 0;
return new Color4(0.5f, 0.5f, 0.5f, 1.0f);
}
}
}
#endregion Static Helpers
}
public static class ImageUtils
{
/// <summary>
/// Performs bilinear interpolation between four values
/// </summary>
/// <param name="v00">First, or top left value</param>
/// <param name="v01">Second, or top right value</param>
/// <param name="v10">Third, or bottom left value</param>
/// <param name="v11">Fourth, or bottom right value</param>
/// <param name="xPercent">Interpolation value on the X axis, between 0.0 and 1.0</param>
/// <param name="yPercent">Interpolation value on fht Y axis, between 0.0 and 1.0</param>
/// <returns>The bilinearly interpolated result</returns>
public static float Bilinear(float v00, float v01, float v10, float v11, float xPercent, float yPercent)
{
return Utils.Lerp(Utils.Lerp(v00, v01, xPercent), Utils.Lerp(v10, v11, xPercent), yPercent);
}
/// <summary>
/// Performs a high quality image resize
/// </summary>
/// <param name="image">Image to resize</param>
/// <param name="width">New width</param>
/// <param name="height">New height</param>
/// <returns>Resized image</returns>
public static Bitmap ResizeImage(Image image, int width, int height)
{
Bitmap result = new Bitmap(width, height);
using (Graphics graphics = Graphics.FromImage(result))
{
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
graphics.DrawImage(image, 0, 0, result.Width, result.Height);
}
return result;
}
}
}

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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using OpenMetaverse;
namespace OpenSim.Region.CoreModules.World.Warp3DMap
{
public static class Perlin
{
// We use a hardcoded seed to keep the noise generation consistent between runs
private const int SEED = 42;
private const int SAMPLE_SIZE = 1024;
private const int B = SAMPLE_SIZE;
private const int BM = SAMPLE_SIZE - 1;
private const int N = 0x1000;
private static readonly int[] p = new int[SAMPLE_SIZE + SAMPLE_SIZE + 2];
private static readonly float[,] g3 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2, 3];
private static readonly float[,] g2 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2, 2];
private static readonly float[] g1 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2];
static Perlin()
{
Random rng = new Random(SEED);
int i, j, k;
for (i = 0; i < B; i++)
{
p[i] = i;
g1[i] = (float)((rng.Next() % (B + B)) - B) / B;
for (j = 0; j < 2; j++)
g2[i, j] = (float)((rng.Next() % (B + B)) - B) / B;
normalize2(g2, i);
for (j = 0; j < 3; j++)
g3[i, j] = (float)((rng.Next() % (B + B)) - B) / B;
normalize3(g3, i);
}
while (--i > 0)
{
k = p[i];
p[i] = p[j = rng.Next() % B];
p[j] = k;
}
for (i = 0; i < B + 2; i++)
{
p[B + i] = p[i];
g1[B + i] = g1[i];
for (j = 0; j < 2; j++)
g2[B + i, j] = g2[i, j];
for (j = 0; j < 3; j++)
g3[B + i, j] = g3[i, j];
}
}
public static float noise1(float arg)
{
int bx0, bx1;
float rx0, rx1, sx, t, u, v, a;
a = arg;
t = arg + N;
bx0 = ((int)t) & BM;
bx1 = (bx0 + 1) & BM;
rx0 = t - (int)t;
rx1 = rx0 - 1f;
sx = s_curve(rx0);
u = rx0 * g1[p[bx0]];
v = rx1 * g1[p[bx1]];
return Utils.Lerp(u, v, sx);
}
public static float noise2(float x, float y)
{
int bx0, bx1, by0, by1, b00, b10, b01, b11;
float rx0, rx1, ry0, ry1, sx, sy, a, b, t, u, v;
int i, j;
t = x + N;
bx0 = ((int)t) & BM;
bx1 = (bx0 + 1) & BM;
rx0 = t - (int)t;
rx1 = rx0 - 1f;
t = y + N;
by0 = ((int)t) & BM;
by1 = (by0 + 1) & BM;
ry0 = t - (int)t;
ry1 = ry0 - 1f;
i = p[bx0];
j = p[bx1];
b00 = p[i + by0];
b10 = p[j + by0];
b01 = p[i + by1];
b11 = p[j + by1];
sx = s_curve(rx0);
sy = s_curve(ry0);
u = rx0 * g2[b00, 0] + ry0 * g2[b00, 1];
v = rx1 * g2[b10, 0] + ry0 * g2[b10, 1];
a = Utils.Lerp(u, v, sx);
u = rx0 * g2[b01, 0] + ry1 * g2[b01, 1];
v = rx1 * g2[b11, 0] + ry1 * g2[b11, 1];
b = Utils.Lerp(u, v, sx);
return Utils.Lerp(a, b, sy);
}
public static float noise3(float x, float y, float z)
{
int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11;
float rx0, rx1, ry0, ry1, rz0, rz1, sy, sz, a, b, c, d, t, u, v;
int i, j;
t = x + N;
bx0 = ((int)t) & BM;
bx1 = (bx0 + 1) & BM;
rx0 = t - (int)t;
rx1 = rx0 - 1f;
t = y + N;
by0 = ((int)t) & BM;
by1 = (by0 + 1) & BM;
ry0 = t - (int)t;
ry1 = ry0 - 1f;
t = z + N;
bz0 = ((int)t) & BM;
bz1 = (bz0 + 1) & BM;
rz0 = t - (int)t;
rz1 = rz0 - 1f;
i = p[bx0];
j = p[bx1];
b00 = p[i + by0];
b10 = p[j + by0];
b01 = p[i + by1];
b11 = p[j + by1];
t = s_curve(rx0);
sy = s_curve(ry0);
sz = s_curve(rz0);
u = rx0 * g3[b00 + bz0, 0] + ry0 * g3[b00 + bz0, 1] + rz0 * g3[b00 + bz0, 2];
v = rx1 * g3[b10 + bz0, 0] + ry0 * g3[b10 + bz0, 1] + rz0 * g3[b10 + bz0, 2];
a = Utils.Lerp(u, v, t);
u = rx0 * g3[b01 + bz0, 0] + ry1 * g3[b01 + bz0, 1] + rz0 * g3[b01 + bz0, 2];
v = rx1 * g3[b11 + bz0, 0] + ry1 * g3[b11 + bz0, 1] + rz0 * g3[b11 + bz0, 2];
b = Utils.Lerp(u, v, t);
c = Utils.Lerp(a, b, sy);
u = rx0 * g3[b00 + bz1, 0] + ry0 * g3[b00 + bz1, 1] + rz1 * g3[b00 + bz1, 2];
v = rx1 * g3[b10 + bz1, 0] + ry0 * g3[b10 + bz1, 1] + rz1 * g3[b10 + bz1, 2];
a = Utils.Lerp(u, v, t);
u = rx0 * g3[b01 + bz1, 0] + ry1 * g3[b01 + bz1, 1] + rz1 * g3[b01 + bz1, 2];
v = rx1 * g3[b11 + bz1, 0] + ry1 * g3[b11 + bz1, 1] + rz1 * g3[b11 + bz1, 2];
b = Utils.Lerp(u, v, t);
d = Utils.Lerp(a, b, sy);
return Utils.Lerp(c, d, sz);
}
public static float turbulence1(float x, float freq)
{
float t;
float v;
for (t = 0f; freq >= 1f; freq *= 0.5f)
{
v = freq * x;
t += noise1(v) / freq;
}
return t;
}
public static float turbulence2(float x, float y, float freq)
{
float t;
Vector2 vec;
for (t = 0f; freq >= 1f; freq *= 0.5f)
{
vec.X = freq * x;
vec.Y = freq * y;
t += noise2(vec.X, vec.Y) / freq;
}
return t;
}
public static float turbulence3(float x, float y, float z, float freq)
{
float t;
Vector3 vec;
for (t = 0f; freq >= 1f; freq *= 0.5f)
{
vec.X = freq * x;
vec.Y = freq * y;
vec.Z = freq * z;
t += noise3(vec.X, vec.Y, vec.Z) / freq;
}
return t;
}
private static void normalize2(float[,] v, int i)
{
float s;
s = (float)Math.Sqrt(v[i, 0] * v[i, 0] + v[i, 1] * v[i, 1]);
s = 1.0f / s;
v[i, 0] = v[i, 0] * s;
v[i, 1] = v[i, 1] * s;
}
private static void normalize3(float[,] v, int i)
{
float s;
s = (float)Math.Sqrt(v[i, 0] * v[i, 0] + v[i, 1] * v[i, 1] + v[i, 2] * v[i, 2]);
s = 1.0f / s;
v[i, 0] = v[i, 0] * s;
v[i, 1] = v[i, 1] * s;
v[i, 2] = v[i, 2] * s;
}
private static float s_curve(float t)
{
return t * t * (3f - 2f * t);
}
}
}

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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Services.Interfaces;
namespace OpenSim.Region.CoreModules.World.Warp3DMap
{
public static class TerrainSplat
{
#region Constants
private static readonly UUID DIRT_DETAIL = new UUID("0bc58228-74a0-7e83-89bc-5c23464bcec5");
private static readonly UUID GRASS_DETAIL = new UUID("63338ede-0037-c4fd-855b-015d77112fc8");
private static readonly UUID MOUNTAIN_DETAIL = new UUID("303cd381-8560-7579-23f1-f0a880799740");
private static readonly UUID ROCK_DETAIL = new UUID("53a2f406-4895-1d13-d541-d2e3b86bc19c");
private static readonly UUID[] DEFAULT_TERRAIN_DETAIL = new UUID[]
{
DIRT_DETAIL,
GRASS_DETAIL,
MOUNTAIN_DETAIL,
ROCK_DETAIL
};
private static readonly Color[] DEFAULT_TERRAIN_COLOR = new Color[]
{
Color.FromArgb(255, 164, 136, 117),
Color.FromArgb(255, 65, 87, 47),
Color.FromArgb(255, 157, 145, 131),
Color.FromArgb(255, 125, 128, 130)
};
private static readonly UUID TERRAIN_CACHE_MAGIC = new UUID("2c0c7ef2-56be-4eb8-aacb-76712c535b4b");
#endregion Constants
private static readonly ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name);
/// <summary>
/// Builds a composited terrain texture given the region texture
/// and heightmap settings
/// </summary>
/// <param name="heightmap">Terrain heightmap</param>
/// <param name="regionInfo">Region information including terrain texture parameters</param>
/// <returns>A composited 256x256 RGB texture ready for rendering</returns>
/// <remarks>Based on the algorithm described at http://opensimulator.org/wiki/Terrain_Splatting
/// </remarks>
public static Bitmap Splat(float[] heightmap, UUID[] textureIDs, float[] startHeights, float[] heightRanges, Vector3d regionPosition, IAssetService assetService, bool textureTerrain)
{
Debug.Assert(heightmap.Length == 256 * 256);
Debug.Assert(textureIDs.Length == 4);
Debug.Assert(startHeights.Length == 4);
Debug.Assert(heightRanges.Length == 4);
Bitmap[] detailTexture = new Bitmap[4];
if (textureTerrain)
{
// Swap empty terrain textureIDs with default IDs
for (int i = 0; i < textureIDs.Length; i++)
{
if (textureIDs[i] == UUID.Zero)
textureIDs[i] = DEFAULT_TERRAIN_DETAIL[i];
}
#region Texture Fetching
if (assetService != null)
{
for (int i = 0; i < 4; i++)
{
AssetBase asset;
UUID cacheID = UUID.Combine(TERRAIN_CACHE_MAGIC, textureIDs[i]);
// Try to fetch a cached copy of the decoded/resized version of this texture
asset = assetService.GetCached(cacheID.ToString());
if (asset != null)
{
try
{
using (System.IO.MemoryStream stream = new System.IO.MemoryStream(asset.Data))
detailTexture[i] = (Bitmap)Image.FromStream(stream);
}
catch (Exception ex)
{
m_log.Warn("Failed to decode cached terrain texture " + cacheID +
" (textureID: " + textureIDs[i] + "): " + ex.Message);
}
}
if (detailTexture[i] == null)
{
// Try to fetch the original JPEG2000 texture, resize if needed, and cache as PNG
asset = assetService.Get(textureIDs[i].ToString());
if (asset != null)
{
try { detailTexture[i] = (Bitmap)CSJ2K.J2kImage.FromBytes(asset.Data); }
catch (Exception ex)
{
m_log.Warn("Failed to decode terrain texture " + asset.ID + ": " + ex.Message);
}
}
if (detailTexture[i] != null)
{
Bitmap bitmap = detailTexture[i];
// Make sure this texture is the correct size, otherwise resize
if (bitmap.Width != 256 || bitmap.Height != 256)
bitmap = ImageUtils.ResizeImage(bitmap, 256, 256);
// Save the decoded and resized texture to the cache
byte[] data;
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
bitmap.Save(stream, ImageFormat.Png);
data = stream.ToArray();
}
// Cache a PNG copy of this terrain texture
AssetBase newAsset = new AssetBase
{
Data = data,
Description = "PNG",
Flags = AssetFlags.Collectable,
FullID = cacheID,
ID = cacheID.ToString(),
Local = true,
Name = String.Empty,
Temporary = true,
Type = (sbyte)AssetType.Unknown
};
newAsset.Metadata.ContentType = "image/png";
assetService.Store(newAsset);
}
}
}
}
#endregion Texture Fetching
}
// Fill in any missing textures with a solid color
for (int i = 0; i < 4; i++)
{
if (detailTexture[i] == null)
{
// Create a solid color texture for this layer
detailTexture[i] = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
using (Graphics gfx = Graphics.FromImage(detailTexture[i]))
{
using (SolidBrush brush = new SolidBrush(DEFAULT_TERRAIN_COLOR[i]))
gfx.FillRectangle(brush, 0, 0, 256, 256);
}
}
}
#region Layer Map
float[] layermap = new float[256 * 256];
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float height = heightmap[y * 256 + x];
float pctX = (float)x / 255f;
float pctY = (float)y / 255f;
// Use bilinear interpolation between the four corners of start height and
// height range to select the current values at this position
float startHeight = ImageUtils.Bilinear(
startHeights[0],
startHeights[2],
startHeights[1],
startHeights[3],
pctX, pctY);
startHeight = Utils.Clamp(startHeight, 0f, 255f);
float heightRange = ImageUtils.Bilinear(
heightRanges[0],
heightRanges[2],
heightRanges[1],
heightRanges[3],
pctX, pctY);
heightRange = Utils.Clamp(heightRange, 0f, 255f);
// Generate two frequencies of perlin noise based on our global position
// The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
Vector3 vec = new Vector3
(
((float)regionPosition.X + x) * 0.20319f,
((float)regionPosition.Y + y) * 0.20319f,
height * 0.25f
);
float lowFreq = Perlin.noise2(vec.X * 0.222222f, vec.Y * 0.222222f) * 6.5f;
float highFreq = Perlin.turbulence2(vec.X, vec.Y, 2f) * 2.25f;
float noise = (lowFreq + highFreq) * 2f;
// Combine the current height, generated noise, start height, and height range parameters, then scale all of it
float layer = ((height + noise - startHeight) / heightRange) * 4f;
if (Single.IsNaN(layer)) layer = 0f;
layermap[y * 256 + x] = Utils.Clamp(layer, 0f, 3f);
}
}
#endregion Layer Map
#region Texture Compositing
Bitmap output = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
BitmapData outputData = output.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
unsafe
{
// Get handles to all of the texture data arrays
BitmapData[] datas = new BitmapData[]
{
detailTexture[0].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[0].PixelFormat),
detailTexture[1].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[1].PixelFormat),
detailTexture[2].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[2].PixelFormat),
detailTexture[3].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[3].PixelFormat)
};
int[] comps = new int[]
{
(datas[0].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[1].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[2].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[3].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3
};
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float layer = layermap[y * 256 + x];
// Select two textures
int l0 = (int)Math.Floor(layer);
int l1 = Math.Min(l0 + 1, 3);
byte* ptrA = (byte*)datas[l0].Scan0 + y * datas[l0].Stride + x * comps[l0];
byte* ptrB = (byte*)datas[l1].Scan0 + y * datas[l1].Stride + x * comps[l1];
byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride + x * 3;
float aB = *(ptrA + 0);
float aG = *(ptrA + 1);
float aR = *(ptrA + 2);
float bB = *(ptrB + 0);
float bG = *(ptrB + 1);
float bR = *(ptrB + 2);
float layerDiff = layer - l0;
// Interpolate between the two selected textures
*(ptrO + 0) = (byte)Math.Floor(aB + layerDiff * (bB - aB));
*(ptrO + 1) = (byte)Math.Floor(aG + layerDiff * (bG - aG));
*(ptrO + 2) = (byte)Math.Floor(aR + layerDiff * (bR - aR));
}
}
for (int i = 0; i < 4; i++)
detailTexture[i].UnlockBits(datas[i]);
}
output.UnlockBits(outputData);
// We generated the texture upside down, so flip it
output.RotateFlip(RotateFlipType.RotateNoneFlipY);
#endregion Texture Compositing
return output;
}
public static Bitmap SplatSimple(float[] heightmap)
{
const float BASE_HSV_H = 93f / 360f;
const float BASE_HSV_S = 44f / 100f;
const float BASE_HSV_V = 34f / 100f;
Bitmap img = new Bitmap(256, 256);
BitmapData bitmapData = img.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
unsafe
{
for (int y = 255; y >= 0; y--)
{
for (int x = 0; x < 256; x++)
{
float normHeight = heightmap[y * 256 + x] / 255f;
normHeight = Utils.Clamp(normHeight, BASE_HSV_V, 1.0f);
Color4 color = Color4.FromHSV(BASE_HSV_H, BASE_HSV_S, normHeight);
byte* ptr = (byte*)bitmapData.Scan0 + y * bitmapData.Stride + x * 3;
*(ptr + 0) = (byte)(color.B * 255f);
*(ptr + 1) = (byte)(color.G * 255f);
*(ptr + 2) = (byte)(color.R * 255f);
}
}
}
img.UnlockBits(bitmapData);
return img;
}
}
}

165
OpenSim/Region/CoreModules/World/Warp3DMap/Viewport.cs Normal file
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@ -0,0 +1,165 @@
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Drawing;
using OpenMetaverse;
namespace OpenSim.Region.CoreModules.World.Warp3DMap
{
public class Viewport
{
private const float DEG_TO_RAD = (float)Math.PI / 180f;
private static readonly Vector3 UP_DIRECTION = Vector3.UnitZ;
public Vector3 Position;
public Vector3 LookDirection;
public float FieldOfView;
public float NearPlaneDistance;
public float FarPlaneDistance;
public int Width;
public int Height;
public bool Orthographic;
public float OrthoWindowWidth;
public float OrthoWindowHeight;
public Viewport(Vector3 position, Vector3 lookDirection, float fieldOfView, float farPlaneDist, float nearPlaneDist, int width, int height)
{
// Perspective projection mode
Position = position;
LookDirection = lookDirection;
FieldOfView = fieldOfView;
FarPlaneDistance = farPlaneDist;
NearPlaneDistance = nearPlaneDist;
Width = width;
Height = height;
}
public Viewport(Vector3 position, Vector3 lookDirection, float farPlaneDist, float nearPlaneDist, int width, int height, float orthoWindowWidth, float orthoWindowHeight)
{
// Orthographic projection mode
Position = position;
LookDirection = lookDirection;
FarPlaneDistance = farPlaneDist;
NearPlaneDistance = nearPlaneDist;
Width = width;
Height = height;
OrthoWindowWidth = orthoWindowWidth;
OrthoWindowHeight = orthoWindowHeight;
Orthographic = true;
}
public Point VectorToScreen(Vector3 v)
{
Matrix4 m = GetWorldToViewportMatrix();
Vector3 screenPoint = v * m;
return new Point((int)screenPoint.X, (int)screenPoint.Y);
}
public Matrix4 GetWorldToViewportMatrix()
{
Matrix4 result = GetViewMatrix();
result *= GetPerspectiveProjectionMatrix();
result *= GetViewportMatrix();
return result;
}
public Matrix4 GetViewMatrix()
{
Vector3 zAxis = -LookDirection;
zAxis.Normalize();
Vector3 xAxis = Vector3.Cross(UP_DIRECTION, zAxis);
xAxis.Normalize();
Vector3 yAxis = Vector3.Cross(zAxis, xAxis);
Vector3 position = Position;
float offsetX = -Vector3.Dot(xAxis, position);
float offsetY = -Vector3.Dot(yAxis, position);
float offsetZ = -Vector3.Dot(zAxis, position);
return new Matrix4(
xAxis.X, yAxis.X, zAxis.X, 0f,
xAxis.Y, yAxis.Y, zAxis.Y, 0f,
xAxis.Z, yAxis.Z, zAxis.Z, 0f,
offsetX, offsetY, offsetZ, 1f);
}
public Matrix4 GetPerspectiveProjectionMatrix()
{
float aspectRatio = (float)Width / (float)Height;
float hFoV = FieldOfView * DEG_TO_RAD;
float zn = NearPlaneDistance;
float zf = FarPlaneDistance;
float xScale = 1f / (float)Math.Tan(hFoV / 2f);
float yScale = aspectRatio * xScale;
float m33 = (zf == double.PositiveInfinity) ? -1 : (zf / (zn - zf));
float m43 = zn * m33;
return new Matrix4(
xScale, 0f, 0f, 0f,
0f, yScale, 0f, 0f,
0f, 0f, m33, -1f,
0f, 0f, m43, 0f);
}
public Matrix4 GetOrthographicProjectionMatrix(float aspectRatio)
{
float w = Width;
float h = Height;
float zn = NearPlaneDistance;
float zf = FarPlaneDistance;
float m33 = 1 / (zn - zf);
float m43 = zn * m33;
return new Matrix4(
2f / w, 0f, 0f, 0f,
0f, 2f / h, 0f, 0f,
0f, 0f, m33, 0f,
0f, 0f, m43, 1f);
}
public Matrix4 GetViewportMatrix()
{
float scaleX = (float)Width * 0.5f;
float scaleY = (float)Height * 0.5f;
float offsetX = 0f + scaleX;
float offsetY = 0f + scaleY;
return new Matrix4(
scaleX, 0f, 0f, 0f,
0f, -scaleY, 0f, 0f,
0f, 0f, 1f, 0f,
offsetX, offsetY, 0f, 1f);
}
}
}