From 48d86fb23f7ae0e7919274d67fc25f590e6845b1 Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Tue, 7 Oct 2008 14:49:12 +0000
Subject: * Apply http://opensimulator.org/mantis/view.php?id=1207 *
 Implmements llModifyLand() and a check for the "Allow others to terraform
 flag" * Thanks tglion!

---
 .../Modules/World/Terrain/TerrainModule.cs         | 97 ++++++++++++++++------
 1 file changed, 72 insertions(+), 25 deletions(-)

(limited to 'OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs')

diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
index ed4075c..3b8debb 100644
--- a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
@@ -40,6 +40,7 @@ using OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes;
 using OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes;
 using OpenSim.Region.Environment.Scenes;
 
+
 namespace OpenSim.Region.Environment.Modules.World.Terrain
 {
     public class TerrainModule : IRegionModule, ICommandableModule, ITerrainModule
@@ -259,6 +260,18 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain
         }
 
         /// <summary>
+        /// Modify Land
+        /// </summary>
+        /// <param name="pos">Land-position (X,Y,0)</param>
+        /// <param name="size">The size of the brush (0=small, 1=medium, 2=large)</param>
+        /// <param name="action">0=LAND_LEVEL, 1=LAND_RAISE, 2=LAND_LOWER, 3=LAND_SMOOTH, 4=LAND_NOISE, 5=LAND_REVERT</param>
+        /// <param name="agentId">UUID of script-owner</param>
+        public void ModifyTerrain(Vector3 pos, byte size, byte action, UUID agentId)
+        {
+            client_OnModifyTerrain((float)pos.Z, (float)0.25, size, action, pos.Y, pos.X, pos.Y, pos.X, agentId);
+        }        
+
+        /// <summary>
         /// Saves the current heightmap to a specified stream.
         /// </summary>
         /// <param name="filename">The destination filename.  Used here only to identify the image type</param>
@@ -587,58 +600,92 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain
             );
         }
 
-        private void client_OnModifyTerrain(float height, float seconds, byte size, byte action, float north, float west,
-                                            float south, float east, IClientAPI remoteClient)
+        private void client_OnModifyTerrain(float height, float seconds, byte size, byte action,
+                                            float north, float west, float south, float east, UUID agentId)
         {
-            // Not a good permissions check, if in area mode, need to check the entire area.
-            if (m_scene.ExternalChecks.ExternalChecksCanTerraformLand(remoteClient.AgentId, new Vector3(north, west, 0)))
+            bool allowed = false;
+            if (north == south && east == west)
             {
-                if (north == south && east == west)
+                if (m_painteffects.ContainsKey((StandardTerrainEffects) action))
                 {
-                    if (m_painteffects.ContainsKey((StandardTerrainEffects) action))
+                    bool[,] allowMask = new bool[m_channel.Width,m_channel.Height];
+                    allowMask.Initialize();
+                    int n = size + 1;
+                    if (n > 2)
+                        n = 4;
+
+                    int zx = (int) (west + 0.5);
+                    int zy = (int) (north + 0.5);
+
+                    int dx;
+                    for (dx=-n; dx<=n; dx++)
+                    {
+                        int dy;
+                        for (dy=-n; dy<=n; dy++)
+                        {
+                            int x = zx + dx;
+                            int y = zy + dy;
+                            if (x>=0 && y>=0 && x<m_channel.Width && y<m_channel.Height)
+                            {
+                                if (m_scene.ExternalChecks.ExternalChecksCanTerraformLand(agentId, new Vector3(x,y,0)))
+                                {
+                                    allowMask[x, y] = true;
+                                    allowed = true;
+                                }
+                            }
+                        }
+                    }
+                    if (allowed)
                     {
                         m_painteffects[(StandardTerrainEffects) action].PaintEffect(
-                            m_channel, west, south, size, seconds);
+                            m_channel, allowMask, west, south, height, size, seconds);
 
                         CheckForTerrainUpdates(true); //revert changes outside estate limits
                     }
-                    else
-                    {
-                        m_log.Debug("Unknown terrain brush type " + action);
-                    }
                 }
                 else
                 {
-                    if (m_floodeffects.ContainsKey((StandardTerrainEffects) action))
-                    {
-                        bool[,] fillArea = new bool[m_channel.Width,m_channel.Height];
-                        fillArea.Initialize();
+                    m_log.Debug("Unknown terrain brush type " + action);
+                }
+            }
+            else
+            {
+                if (m_floodeffects.ContainsKey((StandardTerrainEffects) action))
+                {
+                    bool[,] fillArea = new bool[m_channel.Width,m_channel.Height];
+                    fillArea.Initialize();
 
-                        int x;
-                        for (x = 0; x < m_channel.Width; x++)
+                    int x;
+                    for (x = 0; x < m_channel.Width; x++)
+                    {
+                        int y;
+                        for (y = 0; y < m_channel.Height; y++)
                         {
-                            int y;
-                            for (y = 0; y < m_channel.Height; y++)
+                            if (x < east && x > west)
                             {
-                                if (x < east && x > west)
+                                if (y < north && y > south)
                                 {
-                                    if (y < north && y > south)
+                                    if (m_scene.ExternalChecks.ExternalChecksCanTerraformLand(agentId, new Vector3(x,y,0)))
                                     {
                                         fillArea[x, y] = true;
+                                        allowed = true;
                                     }
                                 }
                             }
                         }
+                    }
 
+                    if (allowed)
+                    {
                         m_floodeffects[(StandardTerrainEffects) action].FloodEffect(
                             m_channel, fillArea, size);
 
                         CheckForTerrainUpdates(true); //revert changes outside estate limits
                     }
-                    else
-                    {
-                        m_log.Debug("Unknown terrain flood type " + action);
-                    }
+                }
+                else
+                {
+                    m_log.Debug("Unknown terrain flood type " + action);
                 }
             }
         }
-- 
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