Make target castbar event-driven with ClassicAPI
This commit is contained in:
Dusk-92
+154
-62
@@ -1,6 +1,5 @@
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local _G = ShaguTweaks.GetGlobalEnv()
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local T = ShaguTweaks.T
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local GetExpansion = ShaguTweaks.GetExpansion
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local API = ShaguTweaks.API
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local LegacyCastingInfo = ShaguTweaks.UnitCastingInfo
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local LegacyChannelInfo = ShaguTweaks.UnitChannelInfo
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@@ -59,7 +58,7 @@ castbar.backdrop:SetBackdrop({
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castbar.text = castbar:CreateFontString(nil, "HIGH", "GameFontWhite")
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castbar.text:SetPoint("CENTER", castbar, "CENTER", 0, 0)
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local font, size, opts = castbar.text:GetFont()
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local font, size = castbar.text:GetFont()
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castbar.text:SetFont(font, size - 2, "THINOUTLINE")
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local function QueryLegacy(query)
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@@ -95,7 +94,7 @@ local function QueryCast(unit)
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-- SuperWoW remains a second source for GUID-keyed casts when available.
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if ShaguTweaks.superwow_active and not UnitIsUnit(unit, "player") then
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local _, guid = UnitExists(unit)
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local guid = API.UnitGUID(unit)
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if guid then
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local a, b, c, d, e, f, g, h = QueryLegacy(guid)
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if a then return a, b, c, d, e, f, g, h end
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@@ -105,70 +104,163 @@ local function QueryCast(unit)
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return QueryLegacy(unit)
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end
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module.enable = function(self)
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local oldUpdate = TargetFrame:GetScript("OnUpdate")
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TargetFrame:SetScript("OnUpdate", function(arg)
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if oldUpdate then oldUpdate(arg) end
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local function UpdatePosition()
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -4)
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local unit = this.unit or "target"
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local cast, nameSubtext, text, texture, startTime, endTime, isTradeSkill, isChannel = QueryCast(unit)
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if cast and startTime and endTime and endTime > startTime then
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local duration = endTime - startTime
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local max = duration / 1000
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local cur = GetTime() - startTime / 1000
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if isChannel then
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cur = max + startTime/1000 - GetTime()
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end
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cur = cur > max and max or cur
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cur = cur < 0 and 0 or cur
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castbar:Show()
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castbar:SetMinMaxValues(0, max)
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castbar:SetValue(cur)
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local percent = cur / max
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local x = castbar:GetWidth()*percent
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castbar.spark:SetPoint("CENTER", castbar, "LEFT", x, 0)
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castbar.text:SetText(cast)
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if texture then
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castbar.texture.icon:SetTexture(texture)
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castbar.texture.icon:Show()
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else
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castbar.texture.icon:Hide()
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end
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local targetOfTarget = TargetofTargetFrame and TargetofTargetFrame:IsShown()
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local debuff11 = TargetFrameDebuff11 and TargetFrameDebuff11:IsShown()
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local debuff7 = TargetFrameDebuff7 and TargetFrameDebuff7:IsShown()
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local buff1 = TargetFrameBuff1 and TargetFrameBuff1:IsShown()
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if targetOfTarget then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -24)
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if debuff11 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -4)
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local targetOfTarget = TargetofTargetFrame and TargetofTargetFrame:IsShown()
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local debuff11 = TargetFrameDebuff11 and TargetFrameDebuff11:IsShown()
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local debuff7 = TargetFrameDebuff7 and TargetFrameDebuff7:IsShown()
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local buff1 = TargetFrameBuff1 and TargetFrameBuff1:IsShown()
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if targetOfTarget then
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -45)
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if buff1 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -24)
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if debuff11 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -45)
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if buff1 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -65)
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end
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end
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else
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if debuff7 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -24)
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end
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -65)
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end
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else
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castbar:Hide()
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end
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elseif debuff7 then
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castbar:ClearAllPoints()
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castbar:SetPoint("BOTTOM", TargetFrame, "BOTTOM", -12, -24)
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end
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end
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local function HideCast()
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castbar.startTime = nil
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castbar.endTime = nil
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castbar.isChannel = nil
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castbar:Hide()
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end
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local function UpdateProgress()
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local startTime = castbar.startTime
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local endTime = castbar.endTime
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if not startTime or not endTime or endTime <= startTime then
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HideCast()
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return
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end
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local now = GetTime()
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local max = endTime - startTime
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if now >= endTime then
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HideCast()
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return
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end
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local cur
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if castbar.isChannel then
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cur = endTime - now
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else
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cur = now - startTime
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end
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cur = cur > max and max or cur
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cur = cur < 0 and 0 or cur
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castbar:SetValue(cur)
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local percent = max > 0 and cur / max or 0
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local x = castbar:GetWidth() * percent
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castbar.spark:ClearAllPoints()
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castbar.spark:SetPoint("CENTER", castbar, "LEFT", x, 0)
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-- The target frame can move its buff/debuff rows while a cast is active.
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-- Repositioning the visible bar is cheap and keeps it attached correctly.
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UpdatePosition()
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end
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local function RefreshCast()
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if not UnitExists("target") then
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HideCast()
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return
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end
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local cast, nameSubtext, text, texture, startTime, endTime, isTradeSkill, isChannel = QueryCast("target")
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if not cast or not startTime or not endTime or endTime <= startTime then
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HideCast()
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return
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end
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castbar.startTime = startTime / 1000
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castbar.endTime = endTime / 1000
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castbar.isChannel = isChannel
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local max = castbar.endTime - castbar.startTime
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castbar:SetMinMaxValues(0, max)
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castbar.text:SetText(cast)
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if texture then
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castbar.texture.icon:SetTexture(texture)
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castbar.texture.icon:Show()
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else
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castbar.texture.icon:Hide()
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end
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UpdatePosition()
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castbar:Show()
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UpdateProgress()
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end
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module.enable = function(self)
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-- OnUpdate is now animation-only and runs only while the castbar is visible.
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-- Cast discovery is driven by ClassicAPI's UNIT_SPELLCAST_* events instead
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-- of querying the target's cast state on every rendered frame.
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castbar:SetScript("OnUpdate", UpdateProgress)
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local listener = CreateFrame("Frame")
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listener:RegisterEvent("PLAYER_TARGET_CHANGED")
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local castEvents = {
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"UNIT_SPELLCAST_START",
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"UNIT_SPELLCAST_STOP",
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"UNIT_SPELLCAST_INTERRUPTED",
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"UNIT_SPELLCAST_FAILED",
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"UNIT_SPELLCAST_DELAYED",
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"UNIT_SPELLCAST_CHANNEL_START",
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"UNIT_SPELLCAST_CHANNEL_STOP",
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"UNIT_SPELLCAST_CHANNEL_UPDATE",
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}
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local hasClassicCastEvents = false
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if API and API.eventutils and _G.C_EventUtils and _G.C_EventUtils.IsEventValid then
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for _, eventName in pairs(castEvents) do
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if _G.C_EventUtils.IsEventValid(eventName) then
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listener:RegisterEvent(eventName)
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hasClassicCastEvents = true
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end
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end
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end
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listener:SetScript("OnEvent", function()
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if event == "PLAYER_TARGET_CHANGED" then
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RefreshCast()
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return
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end
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-- ClassicAPI fans remote cast events out to every unit token currently
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-- resolving to the caster, including "target" when appropriate.
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if arg1 == "target" then
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RefreshCast()
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end
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end)
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if not hasClassicCastEvents then
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-- Compatibility fallback for older ClassicAPI builds: discover state at
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-- 20 Hz, while the bar itself still animates every frame when visible.
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listener.elapsed = 0
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listener:SetScript("OnUpdate", function()
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this.elapsed = this.elapsed + arg1
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if this.elapsed >= .05 then
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this.elapsed = 0
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RefreshCast()
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end
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end)
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end
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RefreshCast()
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end
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