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490 lines
20 KiB
C#
490 lines
20 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using libsecondlife;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Region.Environment.Interfaces;
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using OpenSim.Region.Environment.Scenes;
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using OpenSim.Region.Environment.Modules.ModuleFramework;
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namespace OpenSim.Region.Environment.Modules.Terrain
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{
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public class TerrainModule : IRegionModule , ITerrainTemp, ICommandableModule
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{
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public enum StandardTerrainEffects : byte
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{
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Flatten = 0,
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Raise = 1,
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Lower = 2,
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Smooth = 3,
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Noise = 4,
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Revert = 5
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}
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private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private Commander m_commander = new Commander("Terrain");
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private Dictionary<StandardTerrainEffects, ITerrainPaintableEffect> m_painteffects =
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new Dictionary<StandardTerrainEffects, ITerrainPaintableEffect>();
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private Dictionary<StandardTerrainEffects, ITerrainFloodEffect> m_floodeffects =
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new Dictionary<StandardTerrainEffects, ITerrainFloodEffect>();
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private Dictionary<string, ITerrainLoader> m_loaders = new Dictionary<string, ITerrainLoader>();
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Scene m_scene;
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ITerrainChannel m_channel;
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ITerrainChannel m_revert;
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bool m_tainted = false;
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private IConfigSource m_gConfig;
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private void InstallDefaultEffects()
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{
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// Draggable Paint Brush Effects
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m_painteffects[StandardTerrainEffects.Raise] = new PaintBrushes.RaiseSphere();
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m_painteffects[StandardTerrainEffects.Lower] = new PaintBrushes.LowerSphere();
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m_painteffects[StandardTerrainEffects.Smooth] = new PaintBrushes.SmoothSphere();
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m_painteffects[StandardTerrainEffects.Noise] = new PaintBrushes.NoiseSphere();
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m_painteffects[StandardTerrainEffects.Flatten] = new PaintBrushes.FlattenSphere();
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m_painteffects[StandardTerrainEffects.Revert] = new PaintBrushes.RevertSphere(m_revert);
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// Area of effect selection effects
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m_floodeffects[StandardTerrainEffects.Raise] = new FloodBrushes.RaiseArea();
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m_floodeffects[StandardTerrainEffects.Lower] = new FloodBrushes.LowerArea();
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m_floodeffects[StandardTerrainEffects.Smooth] = new FloodBrushes.SmoothArea();
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m_floodeffects[StandardTerrainEffects.Noise] = new FloodBrushes.NoiseArea();
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m_floodeffects[StandardTerrainEffects.Flatten] = new FloodBrushes.FlattenArea();
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m_floodeffects[StandardTerrainEffects.Revert] = new FloodBrushes.RevertArea(m_revert);
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// Filesystem load/save loaders
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m_loaders[".r32"] = new FileLoaders.RAW32();
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m_loaders[".f32"] = m_loaders[".r32"];
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m_loaders[".ter"] = new FileLoaders.Terragen();
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m_loaders[".raw"] = new FileLoaders.LLRAW();
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m_loaders[".jpg"] = new FileLoaders.JPEG();
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m_loaders[".jpeg"] = m_loaders[".jpg"];
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}
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public void UpdateRevertMap()
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{
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int x, y;
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for (x = 0; x < m_channel.Width; x++)
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{
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for (y = 0; y < m_channel.Height; y++)
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{
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m_revert[x, y] = m_channel[x, y];
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}
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}
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}
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public void LoadFromFile(string filename)
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{
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foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
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{
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if (filename.EndsWith(loader.Key))
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{
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lock (m_scene)
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{
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try
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{
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ITerrainChannel channel = loader.Value.LoadFile(filename);
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m_scene.Heightmap = channel;
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m_channel = channel;
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UpdateRevertMap();
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}
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catch (NotImplementedException)
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{
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m_log.Error("[TERRAIN]: Unable to load heightmap, the " + loader.Value.ToString() + " parser does not support file loading. (May be save only)");
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return;
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}
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catch (System.IO.FileNotFoundException)
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{
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m_log.Error("[TERRAIN]: Unable to load heightmap, file not found. (A directory permissions error may also cause this)");
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return;
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}
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}
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m_log.Info("[TERRAIN]: File (" + filename + ") loaded successfully");
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return;
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}
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}
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m_log.Error("[TERRAIN]: Unable to load heightmap, no file loader availible for that format.");
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}
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public void LoadFromFile(string filename, int fileWidth, int fileHeight, int fileStartX, int fileStartY)
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{
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fileStartX -= (int)m_scene.RegionInfo.RegionLocX;
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fileStartY -= (int)m_scene.RegionInfo.RegionLocY;
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foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
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{
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if (filename.EndsWith(loader.Key))
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{
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lock (m_scene)
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{
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ITerrainChannel channel = loader.Value.LoadFile(filename, fileStartX, fileStartY,
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fileWidth, fileHeight, (int)Constants.RegionSize, (int)Constants.RegionSize);
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m_scene.Heightmap = channel;
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m_channel = channel;
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UpdateRevertMap();
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}
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return;
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}
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}
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}
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public void SaveToFile(string filename)
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{
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try
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{
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foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
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{
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if (filename.EndsWith(loader.Key))
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{
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loader.Value.SaveFile(filename, m_channel);
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return;
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}
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}
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}
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catch (NotImplementedException)
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{
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m_log.Error("Unable to save to " + filename + ", saving of this file format has not been implemented.");
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}
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}
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public void Initialise(Scene scene, IConfigSource config)
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{
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m_scene = scene;
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m_scene.RegisterModuleInterface<ITerrainTemp>(this);
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m_gConfig = config;
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// Install terrain module in the simulator
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if (m_scene.Heightmap == null)
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{
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lock (m_scene)
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{
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m_channel = new TerrainChannel();
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m_scene.Heightmap = m_channel;
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m_revert = new TerrainChannel();
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UpdateRevertMap();
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}
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}
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else
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{
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m_channel = m_scene.Heightmap;
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m_revert = new TerrainChannel();
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UpdateRevertMap();
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}
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m_scene.EventManager.OnNewClient += EventManager_OnNewClient;
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m_scene.EventManager.OnPluginConsole += EventManager_OnPluginConsole;
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m_scene.EventManager.OnTerrainTick += EventManager_OnTerrainTick;
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}
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void EventManager_OnTerrainTick()
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{
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if (m_tainted)
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{
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m_tainted = false;
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m_scene.PhysicsScene.SetTerrain(m_channel.GetFloatsSerialised());
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m_scene.SaveTerrain();
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}
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}
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#region Console Commands
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private void InterfaceLoadFile(Object[] args)
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{
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LoadFromFile((string)args[0]);
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SendUpdatedLayerData();
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}
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private void InterfaceLoadTileFile(Object[] args)
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{
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LoadFromFile((string)args[0],
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(int)args[1],
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(int)args[2],
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(int)args[3],
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(int)args[4]);
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SendUpdatedLayerData();
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}
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private void InterfaceSaveFile(Object[] args)
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{
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SaveToFile((string)args[0]);
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}
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private void InterfaceFillTerrain(Object[] args)
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{
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int x, y;
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for (x = 0; x < m_channel.Width; x++)
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for (y = 0; y < m_channel.Height; y++)
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m_channel[x, y] = (double)args[0];
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SendUpdatedLayerData();
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}
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private void InterfaceEnableExperimentalBrushes(Object[] args)
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{
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if ((bool)args[0])
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{
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m_painteffects[StandardTerrainEffects.Revert] = new PaintBrushes.WeatherSphere();
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m_painteffects[StandardTerrainEffects.Flatten] = new PaintBrushes.OlsenSphere();
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m_painteffects[StandardTerrainEffects.Smooth] = new PaintBrushes.ErodeSphere();
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}
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else
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{
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InstallDefaultEffects();
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}
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}
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private void InstallInterfaces()
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{
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// Load / Save
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string supportedFileExtensions = "";
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foreach (KeyValuePair<string,ITerrainLoader> loader in m_loaders)
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supportedFileExtensions += " " + loader.Key + " (" + loader.Value.ToString() + ")";
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Command loadFromFileCommand = new Command("load", InterfaceLoadFile, "Loads a terrain from a specified file.");
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loadFromFileCommand.AddArgument("filename", "The file you wish to load from, the file extension determines the loader to be used. Supported extensions include: " + supportedFileExtensions, "String");
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Command saveToFileCommand = new Command("save", InterfaceSaveFile, "Saves the current heightmap to a specified file.");
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saveToFileCommand.AddArgument("filename", "The destination filename for your heightmap, the file extension determines the format to save in. Supported extensions include: " + supportedFileExtensions, "String");
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Command loadFromTileCommand = new Command("load-tile", InterfaceLoadTileFile, "Loads a terrain from a section of a larger file.");
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loadFromTileCommand.AddArgument("filename", "The file you wish to load from, the file extension determines the loader to be used. Supported extensions include: " + supportedFileExtensions, "String");
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loadFromTileCommand.AddArgument("file width", "The width of the file in tiles", "Integer");
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loadFromTileCommand.AddArgument("file height", "The height of the file in tiles", "Integer");
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loadFromTileCommand.AddArgument("minimum X tile", "The X region coordinate of the first section on the file", "Integer");
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loadFromTileCommand.AddArgument("minimum Y tile", "The Y region coordinate of the first section on the file", "Integer");
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// Terrain adjustments
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Command fillRegionCommand = new Command("fill", InterfaceFillTerrain, "Fills the current heightmap with a specified value.");
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fillRegionCommand.AddArgument("value", "The numeric value of the height you wish to set your region to.", "Double");
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// Brushes
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Command experimentalBrushesCommand = new Command("newbrushes", InterfaceEnableExperimentalBrushes, "Enables experimental brushes which replace the standard terrain brushes. WARNING: This is a debug setting and may be removed at any time.");
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experimentalBrushesCommand.AddArgument("Enabled?", "true / false - Enable new brushes", "Boolean");
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m_commander.RegisterCommand("load", loadFromFileCommand);
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m_commander.RegisterCommand("load-tile", loadFromTileCommand);
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m_commander.RegisterCommand("save", saveToFileCommand);
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m_commander.RegisterCommand("fill", fillRegionCommand);
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m_commander.RegisterCommand("newbrushes", experimentalBrushesCommand);
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// Add this to our scene so scripts can call these functions
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m_scene.RegisterModuleCommander("Terrain", m_commander);
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}
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#endregion
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void EventManager_OnPluginConsole(string[] args)
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{
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if (args[0] == "terrain")
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{
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string[] tmpArgs = new string[args.Length - 2];
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int i = 0;
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for (i = 2; i < args.Length; i++)
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tmpArgs[i - 2] = args[i];
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m_commander.ProcessConsoleCommand(args[1], tmpArgs);
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}
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}
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void EventManager_OnNewClient(IClientAPI client)
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{
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client.OnModifyTerrain += client_OnModifyTerrain;
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}
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void SendUpdatedLayerData()
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{
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bool shouldTaint = false;
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float[] serialised = m_channel.GetFloatsSerialised();
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int x, y;
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for (x = 0; x < m_channel.Width; x += Constants.TerrainPatchSize)
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{
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for (y = 0; y < m_channel.Height; y += Constants.TerrainPatchSize)
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{
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if (m_channel.Tainted(x, y))
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{
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m_scene.ForEachClient(delegate(IClientAPI controller)
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{
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controller.SendLayerData(x / Constants.TerrainPatchSize, y / Constants.TerrainPatchSize, serialised);
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});
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shouldTaint = true;
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}
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}
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}
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if (shouldTaint)
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{
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m_tainted = true;
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}
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}
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void client_OnModifyTerrain(float height, float seconds, byte size, byte action, float north, float west, float south, float east, IClientAPI remoteClient)
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{
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// Not a good permissions check, if in area mode, need to check the entire area.
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if (m_scene.PermissionsMngr.CanTerraform(remoteClient.AgentId, new LLVector3(north, west, 0)))
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{
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if (north == south && east == west)
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{
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if (m_painteffects.ContainsKey((StandardTerrainEffects)action))
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{
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m_painteffects[(StandardTerrainEffects)action].PaintEffect(
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m_channel, west, south, size, seconds);
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bool usingTerrainModule = true;
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if (usingTerrainModule)
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{
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SendUpdatedLayerData();
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}
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}
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else
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{
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m_log.Debug("Unknown terrain brush type " + action.ToString());
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}
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}
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else
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{
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if (m_floodeffects.ContainsKey((StandardTerrainEffects)action))
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{
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bool[,] fillArea = new bool[m_channel.Width, m_channel.Height];
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fillArea.Initialize();
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int x, y;
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for (x = 0; x < m_channel.Width; x++)
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{
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for (y = 0; y < m_channel.Height; y++)
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{
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if (x < east && x > west)
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{
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if (y < north && y > south)
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{
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fillArea[x, y] = true;
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}
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}
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}
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}
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m_floodeffects[(StandardTerrainEffects)action].FloodEffect(
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m_channel, fillArea, size);
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bool usingTerrainModule = true;
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if (usingTerrainModule)
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{
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SendUpdatedLayerData();
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}
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}
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else
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{
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m_log.Debug("Unknown terrain flood type " + action.ToString());
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}
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}
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}
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}
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public byte[] WriteJpegImage(string gradientmap)
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{
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byte[] imageData = null;
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try
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{
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Bitmap bmp = TerrainToBitmap(gradientmap);
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imageData = OpenJPEGNet.OpenJPEG.EncodeFromImage(bmp, true);
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}
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catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke
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{
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Console.WriteLine("Failed generating terrain map: " + e.ToString());
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}
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return imageData;
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}
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private Bitmap TerrainToBitmap(string gradientmap)
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{
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Bitmap gradientmapLd = new Bitmap(gradientmap);
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int pallete = gradientmapLd.Height;
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Bitmap bmp = new Bitmap(m_channel.Width, m_channel.Height);
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Color[] colours = new Color[pallete];
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for (int i = 0; i < pallete; i++)
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{
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colours[i] = gradientmapLd.GetPixel(0, i);
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}
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TerrainChannel copy =(TerrainChannel) m_channel.MakeCopy();
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for (int y = 0; y < copy.Height; y++)
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{
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for (int x = 0; x < copy.Width; x++)
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{
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// 512 is the largest possible height before colours clamp
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int colorindex = (int)(Math.Max(Math.Min(1.0, copy[x, y] / 512.0), 0.0) * (pallete - 1));
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bmp.SetPixel(x, copy.Height - y - 1, colours[colorindex]);
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}
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}
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return bmp;
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}
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public void PostInitialise()
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{
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InstallDefaultEffects();
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InstallInterfaces();
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}
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public void Close()
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{
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}
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public string Name
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{
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get { return "TerrainModule"; }
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}
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public bool IsSharedModule
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{
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get { return false; }
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}
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#region ICommandable Members
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public ICommander CommandInterface
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{
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get { return m_commander; }
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}
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#endregion
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}
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}
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