From d468b7f2d33ac2562048f60de599e2e07cac270d Mon Sep 17 00:00:00 2001
From: Dahlia Trimble
Date: Sun, 29 Mar 2009 23:59:14 +0000
Subject: Thank you Flyte Xevious for Mantis #3361 - Implementation of
llEdgeOfWorld
---
.../Shared/Api/Implementation/LSL_Api.cs | 62 +++++++++++++++++++++-
1 file changed, 60 insertions(+), 2 deletions(-)
(limited to 'OpenSim/Region')
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 9819ce0..3c1b87f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4991,8 +4991,66 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
public LSL_Integer llEdgeOfWorld(LSL_Vector pos, LSL_Vector dir)
{
m_host.AddScriptLPS(1);
- NotImplemented("llEdgeOfWorld");
- return 0;
+
+ // edge will be used to pass the Region Coordinates offset
+ // we want to check for a neighboring sim
+ LSL_Vector edge = new LSL_Vector(0, 0, 0);
+
+ if (dir.x == 0)
+ {
+ if (dir.y == 0)
+ {
+ // Direction vector is 0,0 so return
+ // false since we're staying in the sim
+ return 0;
+ }
+ else
+ {
+ // Y is the only valid direction
+ edge.y = dir.y / Math.Abs(dir.y);
+ }
+ }
+ else
+ {
+ LSL_Float mag;
+ if (dir.x > 0)
+ {
+ mag = (Constants.RegionSize - pos.x) / dir.x;
+ }
+ else
+ {
+ mag = (pos.x/dir.x);
+ }
+
+ mag = Math.Abs(mag);
+
+ edge.y = pos.y + (dir.y * mag);
+
+ if (edge.y > Constants.RegionSize || edge.y < 0)
+ {
+ // Y goes out of bounds first
+ edge.y = dir.y / Math.Abs(dir.y);
+ }
+ else
+ {
+ // X goes out of bounds first or its a corner exit
+ edge.y = 0;
+ edge.x = dir.x / Math.Abs(dir.x);
+ }
+ }
+
+ List<SimpleRegionInfo> neighbors = World.CommsManager.GridService.RequestNeighbours(World.RegionInfo.RegionLocX, World.RegionInfo.RegionLocY);
+
+ uint neighborX = World.RegionInfo.RegionLocX + (uint)dir.x;
+ uint neighborY = World.RegionInfo.RegionLocY + (uint)dir.y;
+
+ foreach (SimpleRegionInfo sri in neighbors)
+ {
+ if (sri.RegionLocX == neighborX && sri.RegionLocY == neighborY)
+ return 0;
+ }
+
+ return 1;
}
/// <summary>
--
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