TotemBar v0.3.0

core/manacost.lua

@@ -59,6 +59,52 @@ function TotemBar.sumActiveCost(activeTotems, elements, now, costFn, remainingFn
     return total
 end
 
+-- Pure: is a KNOWN mana shortfall in front of us? Both halves must be known
+-- numbers -- an unresolved cost (the normal state until the tooltip scan runs,
+-- and permanently for a totem that isn't in this character's book) is "I don't
+-- know", never "too expensive". Greying a bar on "I don't know" would grey the
+-- whole bar at login; refusing to record a timer on it would silently drop the
+-- countdown of a totem that is standing. Both callers therefore fail OPEN here,
+-- the same policy as confidentNoneOut/recallReady in core/cast.lua.
+function TotemBar.notEnoughMana(cost, mana)
+    if not cost or not mana then
+        return false
+    end
+    return mana < cost
+end
+
+-- Clearcasting (Elemental Focus) makes the next damage spell free while the
+-- tooltip still shows the full price, so every mana verdict has to stand down
+-- while it is up -- otherwise the bar greys out a totem that casts fine and the
+-- cast gate drops its timer.
+--
+-- Matched by buff ICON, like the out-of-range tint's totem detection (see
+-- TotemBar.hasBuffWithIcon): 1.12 gives no buff NAME without a tooltip scan per
+-- buff per check. VERIFY in-game -- if this icon is wrong the only effect is
+-- that the two features lose their Clearcasting exemption, not that they break.
+TotemBar.CLEARCAST_ICON = "Spell_Shadow_ManaBurn"
+
+function TotemBar.hasClearcasting()
+    if not TotemBar.hasBuffWithIcon then
+        return false
+    end
+    return TotemBar.hasBuffWithIcon(TotemBar.CLEARCAST_ICON)
+end
+
+-- Live mana verdict for one totem by name: true only when its cost is known,
+-- the player's mana is below it, and no Clearcasting is up. Reads the cached
+-- tooltip cost (see getTotemManaCost), so this is a table lookup plus one
+-- UnitMana call -- cheap enough for the 5Hz display tick that calls it.
+function TotemBar.totemOutOfMana(name)
+    if not name or type(UnitMana) ~= "function" then
+        return false
+    end
+    if TotemBar.hasClearcasting() then
+        return false
+    end
+    return TotemBar.notEnoughMana(TotemBar.getTotemManaCost(name), UnitMana("player"))
+end
+
 -- Pure: floored refund.
 function TotemBar.refundAmount(pct, activeCost)
     if not pct or not activeCost then
@@ -105,6 +151,21 @@ function TotemBar.isHelpfulTotem(name)
     return true
 end
 
+-- Pure: brings a pfUI-libtotem-reported duration onto the same scale as the
+-- one recordCast stores. libtotem serves FLAT book durations; own tracking
+-- applies Totemic Mastery's +20% to helpful totems. ui.lua's timer prefers
+-- libtotem while it reports the slot active and falls back to own tracking
+-- once libtotem evicts it -- so at the book duration the display flipped
+-- source and the countdown jumped back UP (...3, 2, 1, 24) with the duration
+-- ring re-filling, instead of running out. Scaling both sides by the same
+-- factor makes them agree on the endpoint.
+function TotemBar.gtiDurationWithMastery(gtiDuration, gtiName, hasMastery)
+    if not gtiDuration then
+        return nil
+    end
+    return TotemBar.durationWithMastery(gtiDuration, TotemBar.isHelpfulTotem(gtiName), hasMastery)
+end
+
 -- ===== WoW-API layer (not offline-executed) =====
 
 -- TotemBar.findHighestRankSlot(name) used to be defined here as its own