98 lines
2.2 KiB
Lua
98 lines
2.2 KiB
Lua
--[[ Element: Threat Icon
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Handles updating and toggles visibility of current threat level icon.
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Widget
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Threat - A Texture used to display the current threat level.
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Notes
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This element updates by changing colors of the texture.
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The default threat icon will be used if the UI widget is a texture and doesn't
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have a texture or color defined.
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Examples
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-- Position and size
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local Threat = self:CreateTexture(nil, 'OVERLAY')
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Threat:SetSize(16, 16)
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Threat:SetPoint('TOPRIGHT', self)
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-- Register it with oUF
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self.Threat = Threat
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Hooks
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Override(self) - Used to completely override the internal update function.
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Removing the table key entry will make the element fall-back
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to its internal function again.
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]]
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local parent, ns = ...
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local oUF = ns.oUF
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local Update = function(self, event, unit)
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if(unit ~= self.unit) or not unit or not IsLoggedIn() then return end
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local threat = self.Threat
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if(threat.PreUpdate) then threat:PreUpdate(unit) end
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local status = UnitThreatSituation(unit)
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local r, g, b
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if(status and status > 0) then
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r, g, b = GetThreatStatusColor(status)
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if threat:IsObjectType"Texture" then
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threat:SetVertexColor(r, g, b)
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end
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threat:Show()
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else
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threat:Hide()
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end
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if(threat.PostUpdate) then
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return threat:PostUpdate(unit, status, r, g, b)
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end
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end
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local Path = function(self, ...)
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return (self.Threat.Override or Update) (self, ...)
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end
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local ForceUpdate = function(element)
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return Path(element.__owner, 'ForceUpdate', element.__owner.unit)
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end
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local Enable = function(self)
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local threat = self.Threat
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if(threat) then
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threat.__owner = self
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threat.ForceUpdate = ForceUpdate
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self:RegisterEvent("UNIT_THREAT_SITUATION_UPDATE", Path)
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self:RegisterEvent("UNIT_THREAT_LIST_UPDATE", Path)
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if(threat:IsObjectType"Texture" and not threat:GetTexture()) then
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threat:SetTexture[[Interface\Minimap\ObjectIcons]]
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threat:SetTexCoord(6/8, 7/8, 1/8, 2/8)
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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 Disable = function(self)
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local threat = self.Threat
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if(threat) then
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threat:Hide()
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self:UnregisterEvent("UNIT_THREAT_SITUATION_UPDATE", Path)
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self:UnregisterEvent("UNIT_THREAT_LIST_UPDATE", Path)
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threat:Hide()
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end
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end
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oUF:AddElement('Threat', Path, Enable, Disable)
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