initial commit

aghanim_singleplayer/scripts/vscripts/modifiers/modifier_aggro_on_damage.lua

@@ -0,0 +1,61 @@
+LinkLuaModifier( "modifier_detect_invisible", "modifiers/modifier_detect_invisible", LUA_MODIFIER_MOTION_NONE )
+
+modifier_aggro_on_damage = class({})
+
+--------------------------------------------------------------------------------
+
+function modifier_aggro_on_damage:IsHidden()
+	return true
+end
+
+--------------------------------------------------------------------------------
+
+function modifier_aggro_on_damage:IsPermanent()
+	return true
+end
+
+--------------------------------------------------------------------------------
+
+function modifier_aggro_on_damage:IsPurgable()
+	return false
+end
+
+--------------------------------------------------------------------------------
+
+function modifier_aggro_on_damage:DeclareFunctions()
+	local funcs = 
+	{
+		MODIFIER_EVENT_ON_TAKEDAMAGE,
+	}
+	return funcs
+end
+
+-----------------------------------------------------------------------
+
+function modifier_aggro_on_damage:OnTakeDamage( params )
+	if IsServer() then
+		-- Are we being attacked?
+		local hUnit = params.unit
+		if hUnit ~= self:GetParent() then
+			return 0
+		end
+
+		-- if we already have an aggro target just ignore
+		if hUnit:GetAggroTarget() then
+			return 0
+		end
+
+		-- Is the attacker is not something we can attack ignore it
+		local hAttacker = params.attacker
+		if hAttacker == nil then
+			return 0
+		end
+
+		--print( 'modifier_aggro_on_damage:OnTakeDamage() - setting SetInitialGoalEntity() to ' .. hAttacker:GetUnitName() )
+		self:GetParent():SetInitialGoalEntity( hAttacker )
+
+		return 0
+	end
+
+	return 0
+end