forked from Dusk/ShaguTweaks-ClassicAPI
90 lines
4.0 KiB
Lua
90 lines
4.0 KiB
Lua
local T = ShaguTweaks.T
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local P = ShaguTweaks.libpredict
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local module = ShaguTweaks:register({
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title = T["Healing Predictions"],
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description = T["Shows estimated direct heals and upcoming HoT ticks on player and target health bars. Reuses compatible Puppeteer prediction data when available; otherwise uses ClassicAPI events, observed heal amounts and vanilla HealComm. Unknown amounts are not shown."],
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expansions = { ["vanilla"] = true }, category = T["Unit Frames"], enabled = nil,
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})
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local states, events, enabled
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local function Refresh(state)
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local bar, unit, fill = state.bar, state.unit, state.fill
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if not enabled or not bar:IsVisible() or not UnitExists(unit) or UnitIsDeadOrGhost(unit)
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or not UnitCanAssist("player", unit) then fill:Hide(); return end
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local current, maximum = UnitHealth(unit), UnitHealthMax(unit)
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-- A percentage-only target cannot be combined with an absolute heal amount.
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if not current or not maximum or maximum <= 0 or current >= maximum
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or (unit == "target" and maximum == 100 and not UnitIsUnit(unit, "player")) then fill:Hide(); return end
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local amount = math.min(P:UnitGetIncomingHeals(unit), maximum-current)
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local width, height = bar:GetWidth(), bar:GetHeight()
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if amount <= 0 or width <= 0 or height <= 0 then fill:Hide(); return end
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local texture = bar:GetStatusBarTexture()
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if bar.personalResourceDisplay then
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-- Native status bars may crop transparent texture padding themselves;
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-- a plain texture region does not inherit that rendering behavior.
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fill:SetTexture(1, 1, 1, 1)
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else
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fill:SetTexture(texture and texture:GetTexture() or "Interface\\TargetingFrame\\UI-StatusBar")
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end
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fill:SetVertexColor(0, .85, .4, .6)
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fill:ClearAllPoints()
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fill:SetPoint("TOPLEFT", bar, "TOPLEFT", width * current/maximum, 0)
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fill:SetWidth(width * amount/maximum)
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fill:SetHeight(height)
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if bar.personalResourceDisplay then fill:SetTexCoord(0, 1, 0, 1)
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else fill:SetTexCoord(current/maximum, (current+amount)/maximum, 0, 1) end
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fill:Show()
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end
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local function RefreshAll()
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for _, state in ipairs(states) do Refresh(state) end
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end
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local function AttachBar(unit, bar)
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if not bar then return end
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for _, state in ipairs(states) do if state.bar == bar then return end end
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local state = { unit = unit, bar = bar, fill = bar:CreateTexture(nil,"ARTWORK") }
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table.insert(states,state)
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state.fill:Hide()
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local function Changed() Refresh(state) end
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ShaguTweaks.hooksecurefunc(bar,"SetValue",Changed)
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ShaguTweaks.hooksecurefunc(bar,"SetMinMaxValues",Changed)
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ShaguTweaks.hooksecurefunc(bar,"SetStatusBarTexture",Changed)
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ShaguTweaks.hooksecurefunc(bar,"SetWidth",Changed)
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ShaguTweaks.hooksecurefunc(bar,"SetHeight",Changed)
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ShaguTweaks.HookScript(bar,"OnShow",Changed)
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ShaguTweaks.HookScript(bar,"OnSizeChanged",Changed)
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ShaguTweaks.HookScript(bar,"OnHide",function() state.fill:Hide() end)
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Refresh(state)
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end
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-- Additional displays share the existing estimator and event driver.
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ShaguTweaks.RegisterHealingPredictionBar = function(unit, bar)
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if enabled then AttachBar(unit, bar) end
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end
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module.enable = function()
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if enabled then return end
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enabled = true
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if not states then
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states = {}
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AttachBar("player", PlayerFrameHealthBar)
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AttachBar("target", TargetFrameHealthBar)
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P.changed = function(name)
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for _, state in ipairs(states) do if UnitName(state.unit)==name then Refresh(state) end end
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end
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events = CreateFrame("Frame")
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events:SetScript("OnEvent",RefreshAll)
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end
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local display = ShaguTweaks.PersonalResourceDisplay
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if display then AttachBar("player", display.health.bar) end
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P:Enable()
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ShaguTweaks.API.RegisterUnitEvent(events,"UNIT_HEALTH","player","target")
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ShaguTweaks.API.RegisterUnitEvent(events,"UNIT_MAXHEALTH","player","target")
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events:RegisterEvent("PLAYER_TARGET_CHANGED")
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events:RegisterEvent("PLAYER_ENTERING_WORLD")
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RefreshAll()
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end
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module.disable = function()
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if not enabled then return end
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enabled = false
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events:UnregisterAllEvents()
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P:Disable()
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RefreshAll()
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end
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