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Better support for Adela specialty (+new modding functionality for it)

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Fixes Adela specialty that was apparently broken back in #1518 and
replaced with logic that was clearly not tested - it was neither
functional, nor it was following H3 behavior.

- `HAS_ANOTHER_BONUS_LIMITER` now accepts `null` in place of bonus type,
for cases when limiting is needed by bonus source or bonus subtype. This
allows Adela Bless specialty to always work, irregardless of which
bonuses are provided by Bless.
- Implemented `DIVIDE_STACK_LEVEL` updater that functions same as
`TIMES_STACK_LEVEL`, but it divides bonus value, instead of multiplying
it (to make Adela specialty weaker for high-tier units, as in H3)
- Implemented `TIMES_HERO_LEVEL_DIVIDE_STACK_LEVEL` updater that
combines two existing updaters, to implement `val * heroLevel /
unitLevel` formula needed for Adela specialty
- Removed deprecated `ARMY_MOVEMENT` updater. Its functionality has
already been removed in 1.6.X releases, and it was remaining only as a
placeholder
- Updated modding documentation to account for these changes & to remove
some TODO's

Fixed regression from #777 that could led to either duplicated bonuses
or to multiple application of updaters. It introduced double-recursion -
node parents were gathered recursively, and then bonuses were also
collected recursively within each parent. This created situation where
updater could be applied different number of times. For example, hero
bonus that is propagated to unit in combat could be selected directly,
or via hero->combat unit chain, or via hero->garrison unit->combat unit
chains, leading to different calls to updaters if updater handles
garrison unit node type
This commit is contained in:
Ivan Savenko
2025-04-11 15:04:30 +03:00
parent 439c9a7888
commit 896a7ec88e
10 changed files with 192 additions and 154 deletions
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24
lib/bonuses/CBonusSystemNode.cpp
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@@ -55,6 +55,10 @@ void CBonusSystemNode::getAllParents(TCNodes & out) const //retrieves list of pa
{
for(auto * parent : parentsToInherit)
{
// Diamond found! One of the parents of the targeted node can be discovered in two ways.
// For example, a hero has been attached to both the player node and the global node (to which the player node is also attached).
// This is illegal and can be a source of duplicate bonuses.
assert(out.count(parent) == 0);
out.insert(parent);
parent->getAllParents(out);
}
@@ -63,13 +67,10 @@ void CBonusSystemNode::getAllParents(TCNodes & out) const //retrieves list of pa
void CBonusSystemNode::getAllBonusesRec(BonusList &out, const CSelector & selector) const
{
BonusList beforeUpdate;
TCNodes lparents;
getAllParents(lparents);
for(const auto * parent : lparents)
{
for(const auto * parent : parentsToInherit)
parent->getAllBonusesRec(beforeUpdate, selector);
}
bonuses.getAllBonuses(beforeUpdate);
for(const auto & b : beforeUpdate)
@@ -79,18 +80,7 @@ void CBonusSystemNode::getAllBonusesRec(BonusList &out, const CSelector & select
? getUpdatedBonus(b, b->updater)
: b;
//do not add bonus with updater
bool bonusExists = false;
for(const auto & bonus : out)
{
if (bonus == updated)
bonusExists = true;
if (bonus->updater && bonus->updater == updated->updater)
bonusExists = true;
}
if (!bonusExists)
out.push_back(updated);
out.push_back(updated);
}
}