Increased effect affixes on Tinctures are local and multiplicative with Tree/Ascendancy increases

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What platform are you running Path of Building on?

Windows

What is the behaviour in-game?

Tincture quality and explicit mod increases are local, multiplied, and the result is then rounded off, displayed in game when alt-hovering tinctures (see provided screenshot), and that value is used to multiply the effect values on the Tincture.

With the screenshotted Tincture, I gain 37 pen on the character sheet.

PoB calc = (19)(1.2)(1.6) = 36

Non-rounded calc = (19)(1.2)(1.22)(1.38) = 38

Rounded value = (19)(1.42)(1.38) = 37

So, actual calc needs a (quality)(local increases) rounded down value.

Same result/conclusion for the crit implicit, and the other Tincture I looked at.

What is the behaviour in Path of Building?

https://github.com/PathOfBuildingCommunity/PathOfBuilding/issues/7938

Unsure if it should be posted/merged here, sorry.

In PoB, the quality is treated as a more multiplier. Increases are summed with those from Warden Ascendancy/Passive nodes. This is previously how flasks worked, but it appears Tincture effect is local to the tincture, and multiplicative with Ascendancy/Tree.

Need to test if the same is true for flasks (duration/effect).

How to reproduce the issue

1. Activate Tincture in h/o (mana burn not applied)

2. Observe stats

3. Do math

Character build code

https://pobb.in/3-ET_hwoQqn3

Screenshots

Vergleiche die hier beschriebenen Tincture-Werte und -Berechnungen im Spiel mit dem Verhalten von Path of Building und dem verknüpften Issue #7938. Überprüfe, wie Qualität und explizite Erhöhungen kombiniert werden, einschließlich Rundung und der Interaktion mit Warden Ascendancy oder Erhöhungen aus dem passiven Fertigkeitenbaum; als erledigt gilt die Aufgabe, wenn die angezeigten und berechneten Tincture-Effekte mit dem Spiel übereinstimmen.