Changeset 69 for trunk/src/game/Unit.cpp

Timestamp:

11/19/08 13:31:22 (17 years ago)

Author:

yumileroy

Message:

[svn] Add Unit::IsWithinCombatDist? function to check melee range and spell range (now range is related to the attacker's bounding_radius and target's combat_reach, not sure if both should be combat_reach).

Original author: megamage
Date: 2008-10-19 14:42:12-05:00

Files:

• trunk/src/game/Unit.cpp (modified) (1 diff)

trunk/src/game/Unit.cpp

@@ -407 +407 @@
         reach = 1.0f;
     return IsWithinDistInMap(pVictim, reach);
+}
+
+bool Unit::IsWithinCombatDist(Unit *obj, float dist2compare) const
+{
+    if (!obj || !IsInMap(obj)) return false;
+
+    float dx = GetPositionX() - obj->GetPositionX();
+    float dy = GetPositionY() - obj->GetPositionY();
+    float dz = GetPositionZ() - obj->GetPositionZ();
+    float distsq = dx*dx + dy*dy + dz*dz;
+    //not sure here, or combatreach + combatreach?
+    float sizefactor = GetObjectSize() + obj->GetFloatValue(UNIT_FIELD_COMBATREACH);
+    float maxdist = dist2compare + sizefactor;
+
+    return distsq < maxdist * maxdist;
 }