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--[[
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Name: Banzai-1.1
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Revision: $Rev: 21576 $
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Author(s): Rabbit (rabbit.magtheridon@gmail.com), maia
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Documentation: http://www.wowace.com/index.php/Banzai-1.1_API_Documentation
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SVN: http://svn.wowace.com/wowace/trunk/BanzaiLib/Banzai-1.1
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Description: Aggro notification library.
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Dependencies: AceLibrary, AceOO-2.0, AceEvent-2.0, Roster-2.1
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]]
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--[[
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BanzaiLib is copyrighted 2006 by Rabbit.
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This addon is distributed under the terms of the Creative Commons
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Attribution-NonCommercial-ShareAlike 2.0 license.
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http://creativecommons.org/licenses/by-nc-sa/2.5/
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You may distribute and use these libraries without making your mod adhere to the
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same license, as long as you preserve the license text embedded in the
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libraries.
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Any and all questions regarding our stance and licensing should be
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directed to the #wowace IRC channel on irc.freenode.net.
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]]
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-------------------------------------------------------------------------------
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-- Locals
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-------------------------------------------------------------------------------
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local MAJOR_VERSION = "Banzai-1.1"
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local MINOR_VERSION = "$Revision: 21576 $"
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if not AceLibrary then error(MAJOR_VERSION .. " requires AceLibrary.") end
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if not AceLibrary:IsNewVersion(MAJOR_VERSION, MINOR_VERSION) then return end
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if AceLibrary:HasInstance("Banzai-1.0") then error(MAJOR_VERSION .. " can't run alongside Banzai-1.0.") end
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if not AceLibrary:HasInstance("AceOO-2.0") then error(MAJOR_VERSION .. " requires AceOO-2.0.") end
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if not AceLibrary:HasInstance("AceEvent-2.0") then error(MAJOR_VERSION .. " requires AceEvent-2.0.") end
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if not AceLibrary:HasInstance("Roster-2.1") then error(MAJOR_VERSION .. " requires Roster-2.1.") end
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local lib = {}
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AceLibrary("AceEvent-2.0"):embed(lib)
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local RL = nil
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local roster = nil
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local playerName = nil
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-------------------------------------------------------------------------------
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-- Local heap
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-------------------------------------------------------------------------------
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local new, del
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do
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local cache = setmetatable({},{__mode='k'})
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function new()
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local t = next(cache)
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if t then
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cache[t] = nil
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return t
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else
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return {}
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end
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end
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function del(t)
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for k in pairs(t) do
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t[k] = nil
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end
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cache[t] = true
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return nil
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end
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end
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-------------------------------------------------------------------------------
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-- Initialization
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-------------------------------------------------------------------------------
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-- Activate a new instance of this library
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function activate(self, oldLib, oldDeactivate)
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if oldLib then
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self.vars = oldLib.vars
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if oldLib:IsEventScheduled("UpdateAggroList") then
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oldLib:CancelScheduledEvent("UpdateAggroList")
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self:StartOrStop()
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end
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else
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self.vars = {}
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end
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RL = AceLibrary("Roster-2.1")
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roster = RL.roster
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playerName = UnitName("player")
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if not self.vars then self.vars = {} end
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self:RegisterEvent("AceEvent_EventRegistered", "StartOrStop")
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self:RegisterEvent("AceEvent_EventUnregistered", "StartOrStop")
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if oldDeactivate then oldDeactivate(oldLib) end
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end
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-------------------------------------------------------------------------------
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-- Events
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-------------------------------------------------------------------------------
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function lib:StartOrStop()
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local aceEvent = AceLibrary("AceEvent-2.0")
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if aceEvent:IsEventRegistered("Banzai_UnitGainedAggro") or
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aceEvent:IsEventRegistered("Banzai_PlayerGainedAggro") or
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aceEvent:IsEventRegistered("Banzai_UnitLostAggro") or
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aceEvent:IsEventRegistered("Banzai_PlayerLostAggro") or
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aceEvent:IsEventRegistered("Banzai_Run") then
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if not self:IsEventScheduled("UpdateAggroList") then
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self:ScheduleRepeatingEvent("UpdateAggroList", self.UpdateAggroList, 0.2, self)
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self.vars.running = true
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self:TriggerEvent("Banzai_Enabled")
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end
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elseif self:IsEventRegistered("UpdateAggroList") then
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self:CancelScheduledEvent("UpdateAggroList")
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for i, unit in pairs(roster) do
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unit.banzai = nil
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unit.banzaiModifier = nil
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end
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self.vars.running = nil
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self:TriggerEvent("Banzai_Disabled")
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end
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end
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-------------------------------------------------------------------------------
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-- Library
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-------------------------------------------------------------------------------
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function lib:UpdateAggroList()
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local oldBanzai = nil
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for name, unit in pairs(roster) do
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if not oldBanzai then oldBanzai = new() end
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oldBanzai[name] = unit.banzai
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-- deduct aggro for all, increase it later for everyone with aggro
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if not unit.banzaiModifier then unit.banzaiModifier = 0 end
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unit.banzaiModifier = math.max(0, unit.banzaiModifier - 5)
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-- check for aggro
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local targetId = unit.unitid .. "target"
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if UnitExists(targetId) and UnitExists(targetId .. "target") then
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local targetName = UnitName(targetId .. "target")
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if roster[targetName] and UnitCanAttack("player", targetId) and UnitCanAttack(targetId, "player") then
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if not roster[targetName].banzaiModifier then roster[targetName].banzaiModifier = 0 end
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roster[targetName].banzaiModifier = roster[targetName].banzaiModifier + 10
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if not roster[targetName].banzaiTarget then roster[targetName].banzaiTarget = new() end
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table.insert(roster[targetName].banzaiTarget, targetId)
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end
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end
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-- cleanup
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unit.banzaiModifier = math.max(0, unit.banzaiModifier)
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unit.banzaiModifier = math.min(25, unit.banzaiModifier)
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-- set aggro
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unit.banzai = (unit.banzaiModifier > 15)
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end
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for name, unit in pairs(roster) do
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if oldBanzai[name] ~= nil and oldBanzai[name] ~= unit.banzai then
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-- Aggro status has changed.
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if unit.banzai == true and unit.banzaiTarget then
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-- Unit has aggro
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self:TriggerEvent("Banzai_UnitGainedAggro", unit.unitid, unit.banzaiTarget)
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if name == playerName then
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self:TriggerEvent("Banzai_PlayerGainedAggro", unit.banzaiTarget)
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end
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elseif unit.banzai == false then
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-- Unit lost aggro
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self:TriggerEvent("Banzai_UnitLostAggro", unit.unitid)
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if name == playerName then
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self:TriggerEvent("Banzai_PlayerLostAggro", unit.unitid)
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end
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end
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end
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if unit.banzaiTarget then
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unit.banzaiTarget = del(unit.banzaiTarget)
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end
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end
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if oldBanzai then
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oldBanzai = del(oldBanzai)
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end
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end
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-------------------------------------------------------------------------------
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-- API
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-------------------------------------------------------------------------------
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function lib:GetUnitAggroByUnitId( unitId )
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if not self.vars.running then error(MAJOR_VERSION.." is not running. You must register for one of the events.") end
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local rosterUnit = RL:GetUnitObjectFromUnit(unitId)
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if not rosterUnit then return nil end
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return rosterUnit.banzai
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end
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function lib:GetUnitAggroByUnitName( unitName )
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if not self.vars.running then error(MAJOR_VERSION.." is not running. You must register for one of the events.") end
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local rosterUnit = RL:GetUnitObjectFromName(unitName)
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if not rosterUnit then return nil end
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return rosterUnit.banzai
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end
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function lib:IsRunning()
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return self:IsEventScheduled("UpdateAggroList")
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end
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-------------------------------------------------------------------------------
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-- Register
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-------------------------------------------------------------------------------
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AceLibrary:Register(lib, MAJOR_VERSION, MINOR_VERSION, activate)
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