Implement llCastRay fully, simplified.

bin/OpenSimDefaults.ini

@@ -1477,6 +1477,44 @@
     ; Avatar bounding box, upper Z value, coefficient to multiply with avatar height, when sitting
     UpperAvatarBoundingBoxSittingZcoeff = 0.25
 
+    ; Safety coefficient for max bounding box from prim size box X coordinate
+    ; Worst case is twisted and sheared box, 1+sqrt(2)
+    PrimBoundingBoxSafetyCoefficientX = 2.414214
+
+    ; Safety coefficient for max bounding box from prim size box Y coordinate
+    ; Worst case is twisted and sheared box, 1+sqrt(2)
+    PrimBoundingBoxSafetyCoefficientY = 2.414214
+
+    ; Safety coefficient for max bounding box from prim size box Z coordinate
+    ; Worst case is twisted tube, 0.5+sqrt(1.25)
+    PrimBoundingBoxSafetyCoefficientZ = 1.618034
+
+    ; Accepted calculation precision error in calculations in llCastRay
+    FloatToleranceInLlCastRay = 0.000001
+
+    ; Accepted distance difference between duplicate hits in llCastRay
+    FloatTolerance2InLlCastRay = 0.0001
+
+    ; Maximum number of returned hits from llCastRay
+    MaxHitsInLlCastRay = 16
+
+    ; Maximum number of returned hits per prim from llCastRay
+    MaxHitsPerPrimInLlCastRay = 16
+
+    ; Maximum number of returned hits per object from llCastRay
+    MaxHitsPerObjectInLlCastRay = 16
+
+    ; Report ray intersections with surfaces on exits from a prim as hits in llCastRay if true
+    DetectExitHitsInLlCastRay = false
+
+    ; Filter on parts instead of groups in llCastRay if true
+    FilterPartsInLlCastRay = false
+
+    ; Detect attachments in llCastRay if true
+    DoAttachmentsInLlCastRay = false
+
+    ; Use legacy version 1 of llCastRay if true
+    UseLlCastRayV1 = true
 
 [DataSnapshot]
     ; The following set of configs pertains to search.