From 31a61bbeec5aae6b679ffa53e2966420e774f301 Mon Sep 17 00:00:00 2001
From: Teravus Ovares (Dan Olivares)
Date: Tue, 13 Oct 2009 22:03:00 -0400
Subject: * Fixes some prim crossings on megaregions with regions beyond the
 512m mark * There's a slight chance that this could cause a problem with
 regular prim crossings..   but hopefully not.     Revert if it does.

---
 .../CoreModules/World/Land/RegionCombinerModule.cs |  10 +-
 OpenSim/Region/Framework/Scenes/Scene.cs           | 114 +++++++++++++++++----
 2 files changed, 99 insertions(+), 25 deletions(-)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs b/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
index 05d19a2..6499915 100644
--- a/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
@@ -343,7 +343,9 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.WestBorders)
                         {
-                            scene.WestBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport West
+
+
+                            scene.WestBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocX - conn.RegionScene.RegionInfo.RegionLocX) * (int)Constants.RegionSize); //auto teleport West
 
                             // Trigger auto teleport to root region
                             scene.WestBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
@@ -410,7 +412,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                             conn.RegionScene.WestBorders[0].BorderLine.Y += (int)Constants.RegionSize;
                         lock (scene.SouthBorders)
                         {
-                            scene.SouthBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport south
+                            scene.SouthBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocY - conn.RegionScene.RegionInfo.RegionLocY) * (int)Constants.RegionSize); //auto teleport south
                             scene.SouthBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.SouthBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
@@ -481,7 +483,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.SouthBorders)
                         {
-                            scene.SouthBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport south
+                            scene.SouthBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocY - conn.RegionScene.RegionInfo.RegionLocY) * (int)Constants.RegionSize); //auto teleport south
                             scene.SouthBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.SouthBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
@@ -503,7 +505,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.WestBorders)
                         {
-                            scene.WestBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport West
+                            scene.WestBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocX - conn.RegionScene.RegionInfo.RegionLocX) * (int)Constants.RegionSize); //auto teleport West
                             scene.WestBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.WestBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 949cf19..0f351ce 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1780,36 +1780,86 @@ namespace OpenSim.Region.Framework.Scenes
 
             Vector3 pos = attemptedPosition;
 
+            int changeX = 1;
+            int changeY = 1;
+
             if (TestBorderCross(attemptedPosition + WestCross, Cardinals.W))
             {
                 if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
                 {
-                    //Border crossedBorderx = GetCrossedBorder(attemptedPosition,Cardinals.W);
-                    //Border crossedBordery = GetCrossedBorder(attemptedPosition, Cardinals.S);
+
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z /(int) Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
                     //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
-                    pos.X = ((pos.X + Constants.RegionSize));
-                    pos.Y = ((pos.Y + Constants.RegionSize));
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+
+
+                    
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx - 1) * Constants.RegionSize),
-                                           (uint)((thisy - 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
+                                           (uint)((thisy - changeY) * Constants.RegionSize));
                     // x - 1
                     // y - 1
                 }
                 else if (TestBorderCross(attemptedPosition + NorthCross, Cardinals.N))
                 {
-                    pos.X = ((pos.X + Constants.RegionSize));
-                    pos.Y = ((pos.Y - Constants.RegionSize));
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+
+
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                    //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                        changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx - 1) * Constants.RegionSize),
-                                           (uint)((thisy + 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
+                                           (uint)((thisy + changeY) * Constants.RegionSize));
                     // x - 1
                     // y + 1
                 }
                 else
                 {
-                    pos.X = ((pos.X + Constants.RegionSize));
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+                       
                     newRegionHandle
-                        = Util.UIntsToLong((uint) ((thisx - 1)*Constants.RegionSize),
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
                                            (uint) (thisy*Constants.RegionSize));
                     // x - 1
                 }
@@ -1818,11 +1868,23 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
                 {
+                    
                     pos.X = ((pos.X - Constants.RegionSize));
-                    pos.Y = ((pos.Y + Constants.RegionSize));
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                    //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                        changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+                    
+                    
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx + 1) * Constants.RegionSize),
-                                           (uint)((thisy - 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
+                                           (uint)((thisy - changeY) * Constants.RegionSize));
                     // x + 1
                     // y - 1
                 }
@@ -1831,8 +1893,8 @@ namespace OpenSim.Region.Framework.Scenes
                     pos.X = ((pos.X - Constants.RegionSize));
                     pos.Y = ((pos.Y - Constants.RegionSize));
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx + 1) * Constants.RegionSize),
-                                           (uint)((thisy + 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
+                                           (uint)((thisy + changeY) * Constants.RegionSize));
                     // x + 1
                     // y + 1
                 }
@@ -1840,16 +1902,26 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     pos.X = ((pos.X - Constants.RegionSize));
                     newRegionHandle
-                        = Util.UIntsToLong((uint) ((thisx + 1)*Constants.RegionSize),
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
                                            (uint) (thisy*Constants.RegionSize));
                     // x + 1
                 }
             } 
             else if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
             {
-                pos.Y = ((pos.Y + Constants.RegionSize));
+                Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                if (crossedBordery.BorderLine.Z > 0)
+                {
+                    pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                    changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                }
+                else
+                    pos.Y = ((pos.Y + Constants.RegionSize));
+
                 newRegionHandle
-                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy - 1) * Constants.RegionSize));
+                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy - changeY) * Constants.RegionSize));
                 // y - 1
             }
             else if (TestBorderCross(attemptedPosition + NorthCross, Cardinals.N))
@@ -1857,7 +1929,7 @@ namespace OpenSim.Region.Framework.Scenes
                 
                 pos.Y = ((pos.Y - Constants.RegionSize));
                 newRegionHandle
-                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy + 1) * Constants.RegionSize));
+                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy + changeY) * Constants.RegionSize));
                 // y + 1
             }
 
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