106 lines
2.5 KiB
Lua
106 lines
2.5 KiB
Lua
--[[
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# Element: Combat Indicator
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Toggles the visibility of an indicator based on the player's combat status.
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## Widget
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CombatIndicator - Any UI widget.
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## Notes
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A default texture will be applied if the widget is a Texture and doesn't have a texture or a color set.
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## Examples
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-- Position and size
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local CombatIndicator = self:CreateTexture(nil, 'OVERLAY')
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CombatIndicator:SetSize(16, 16)
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CombatIndicator:SetPoint('TOP', self)
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-- Register it with oUF
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self.CombatIndicator = CombatIndicator
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--]]
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local _, ns = ...
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local oUF = ns.oUF
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local function Update(self, event, unit)
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if not unit or self.unit ~= unit then return end
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local element = self.CombatIndicator
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--[[ Callback: CombatIndicator:PreUpdate()
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Called before the element has been updated.
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* self - the CombatIndicator element
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--]]
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if(element.PreUpdate) then
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element:PreUpdate()
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end
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local inCombat = UnitAffectingCombat(unit)
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if(inCombat) then
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element:Show()
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else
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element:Hide()
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end
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--[[ Callback: CombatIndicator:PostUpdate(inCombat)
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Called after the element has been updated.
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* self - the CombatIndicator element
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* inCombat - indicates if the player is affecting combat (boolean)
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--]]
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if(element.PostUpdate) then
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return element:PostUpdate(inCombat)
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end
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end
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local function Path(self, ...)
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--[[ Override: CombatIndicator.Override(self, event)
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Used to completely override the internal update function.
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* self - the parent object
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* event - the event triggering the update (string)
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--]]
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return (self.CombatIndicator.Override or Update) (self, ...)
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end
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local function ForceUpdate(element)
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return Path(element.__owner, 'ForceUpdate')
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end
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local function Enable(self, unit)
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local element = self.CombatIndicator
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if element then
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element.__owner = self
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element.ForceUpdate = ForceUpdate
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self:RegisterEvent('UNIT_COMBAT', Path)
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self:RegisterEvent('UNIT_FLAGS', Path)
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self:RegisterEvent('PLAYER_REGEN_DISABLED', Path, true)
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self:RegisterEvent('PLAYER_REGEN_ENABLED', Path, true)
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if(element:IsObjectType('Texture') and not element:GetTexture()) then
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element:SetTexture([[Interface\CharacterFrame\UI-StateIcon]])
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element:SetTexCoord(.5, 1, 0, .49)
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end
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return true
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end
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end
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local function Disable(self)
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local element = self.CombatIndicator
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if(element) then
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element:Hide()
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self:UnregisterEvent('UNIT_COMBAT', Path)
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self:UnregisterEvent('UNIT_FLAGS', Path)
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self:UnregisterEvent('PLAYER_REGEN_DISABLED', Path)
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self:UnregisterEvent('PLAYER_REGEN_ENABLED', Path)
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end
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end
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oUF:AddElement('CombatIndicator', Path, Enable, Disable)
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