[7836] Fixes for distance range checks. Author: VladimirMangos

* ignore 0.0f min range limit (this correct case when 2 object overlapped)

    Also use int32 for temporary store GetSessionDbLocaleIndex result.

--HG--
branch : trunk

src/game/Object.cpp

@@ -1311,9 +1311,13 @@ bool WorldObject::IsInRange(WorldObject const* obj, float minRange, float maxRan
 
     float sizefactor = GetObjectSize() + obj->GetObjectSize();
 
-    float mindist = minRange + sizefactor;
-    if(distsq < mindist * mindist)
-        return false;
+    // check only for real range
+    if(minRange > 0.0f)
+    {
+        float mindist = minRange + sizefactor;
+        if(distsq < mindist * mindist)
+            return false;
+    }
 
     float maxdist = maxRange + sizefactor;
     return distsq < maxdist * maxdist;
@@ -1327,9 +1331,13 @@ bool WorldObject::IsInRange2d(float x, float y, float minRange, float maxRange)
 
     float sizefactor = GetObjectSize();
 
-    float mindist = minRange + sizefactor;
-    if(distsq < mindist * mindist)
-        return false;
+    // check only for real range
+    if(minRange > 0.0f)
+    {
+        float mindist = minRange + sizefactor;
+        if(distsq < mindist * mindist)
+            return false;
+    }
 
     float maxdist = maxRange + sizefactor;
     return distsq < maxdist * maxdist;
@@ -1344,9 +1352,13 @@ bool WorldObject::IsInRange3d(float x, float y, float z, float minRange, float m
 
     float sizefactor = GetObjectSize();
 
-    float mindist = minRange + sizefactor;
-    if(distsq < mindist * mindist)
-        return false;
+    // check only for real range
+    if(minRange > 0.0f)
+    {
+        float mindist = minRange + sizefactor;
+        if(distsq < mindist * mindist)
+            return false;
+    }
 
     float maxdist = maxRange + sizefactor;
     return distsq < maxdist * maxdist;