From 878df52515ea3519130ba646a050c8d8c1f09b29 Mon Sep 17 00:00:00 2001
From: teravus
Date: Wed, 23 Jan 2013 21:58:51 -0500
Subject: * This makes the non-physics llCastRay 'better'.     It's not
 'correctly working', and if you look deep enough, you see that the results
 are not really stable depending on the direction of the ray.

---
 .../Shared/Api/Implementation/LSL_Api.cs            | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'OpenSim/Region/ScriptEngine/Shared')

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 63f4800..001f4d9 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -11152,12 +11152,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     radius = Math.Abs(maxY);
                 if (Math.Abs(maxZ) > radius)
                     radius = Math.Abs(maxZ);
-
+                radius = radius*1.413f;
                 Vector3 ac = group.AbsolutePosition - rayStart;
                 Vector3 bc = group.AbsolutePosition - rayEnd;
 
                 double d = Math.Abs(Vector3.Mag(Vector3.Cross(ab, ac)) / Vector3.Distance(rayStart, rayEnd));
-
+                
                 // Too far off ray, don't bother
                 if (d > radius)
                     return;
@@ -11167,11 +11167,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 if (d2 > 0)
                     return;
 
+                ray = new Ray(rayStart, Vector3.Normalize(rayEnd - rayStart));
                 EntityIntersection intersection = group.TestIntersection(ray, true, false);
                 // Miss.
                 if (!intersection.HitTF)
                     return;
 
+                Vector3 b1 = group.AbsolutePosition + new Vector3(minX, minY, minZ);
+                Vector3 b2 = group.AbsolutePosition + new Vector3(maxX, maxY, maxZ);
+                //m_log.DebugFormat("[LLCASTRAY]: min<{0},{1},{2}>, max<{3},{4},{5}> = hitp<{6},{7},{8}>", b1.X,b1.Y,b1.Z,b2.X,b2.Y,b2.Z,intersection.ipoint.X,intersection.ipoint.Y,intersection.ipoint.Z);
+                if (!(intersection.ipoint.X >= b1.X && intersection.ipoint.X <= b2.X &&
+                    intersection.ipoint.Y >= b1.Y && intersection.ipoint.Y <= b2.Y &&
+                    intersection.ipoint.Z >= b1.Z && intersection.ipoint.Z <= b2.Z))
+                    return;
+
                 ContactResult result = new ContactResult ();
                 result.ConsumerID = group.LocalId;
                 result.Depth = intersection.distance;
@@ -11423,8 +11432,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 if (checkPhysical || checkNonPhysical || detectPhantom)
                 {
                     ContactResult[] objectHits = ObjectIntersection(rayStart, rayEnd, checkPhysical, checkNonPhysical, detectPhantom);
-                    foreach (ContactResult r in objectHits)
-                        results.Add(r);
+                    for (int iter = 0; iter < objectHits.Length; iter++)
+                    {
+                        // Redistance the Depth because the Scene RayCaster returns distance from center to make the rezzing code simpler.
+                        objectHits[iter].Depth = Vector3.Distance(objectHits[iter].Pos, rayStart);
+                        results.Add(objectHits[iter]);
+                    }
                 }
             }
 
-- 
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