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vcmi/docs/modders/Bonus/Bonus_Updaters.md

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# Bonus Updaters
TODO: this page may be incorrect or outdated
2023-08-12 23:17:38 +02:00
Updaters come in two forms: simple and complex. Simple updaters take no
parameters and are specified as strings. Complex updaters do take
parameters (sometimes optional), and are specified as structs.
Check the files in *config/heroes/* for additional usage examples.
## GROWS_WITH_LEVEL
- Type: Complex
- Parameters: valPer20, stepSize=1
- Effect: Updates val to
` ceil(valPer20 * floor(heroLevel / stepSize) / 20)`
Example: The following updater will cause a bonus to grow by 6 for every
40 levels. At first level, rounding will cause the bonus to be 0.
` "updater" : {`
` "parameters" : [ 6, 2 ],`
` "type" : "GROWS_WITH_LEVEL"`
` }`
Example: The following updater will cause a bonus to grow by 3 for every
20 levels. At first level, rounding will cause the bonus to be 1.
` "updater" : {`
` "parameters" : [ 3 ],`
` "type" : "GROWS_WITH_LEVEL"`
` }`
Remarks:
- The rounding rules are designed to match the attack/defense bonus
progression for heroes with creature specialties in HMM3.
- There is no point in specifying val for a bonus with a
GROWS_WITH_LEVEL updater.
## TIMES_HERO_LEVEL
- Type: Simple
- Effect: Updates val to
` val * heroLevel`
Usage:
` "updater" : "TIMES_HERO_LEVEL"`
Remark: This updater is redundant, in the sense that GROWS_WITH_LEVEL
can also express the desired scaling by setting valPer20 to 20\*val. It
has been added for convenience.
## TIMES_STACK_LEVEL
- Type: Simple
- Effect: Updates val to
` val * stackLevel`
Usage:
` "updater" : "TIMES_STACK_LEVEL"`
Remark: The stack level for war machines is 0.
## ARMY_MOVEMENT
- Type: Complex
- Parameters: basePerSpeed, dividePerSpeed, additionalMultiplier,
maxValue
- Effect: Updates val to val+= max((floor(basePerSpeed /
dividePerSpeed)\* additionalMultiplier), maxValue)
- Remark: this updater is designed for MOVEMENT bonus to match H3 army
movement rules (in the example - actual movement updater, which
produces values same as in default movement.txt).
- Example:
` "updater" : {`
` "parameters" : [ 20, 3, 10, 700 ],`
` "type" : "ARMY_MOVEMENT"`
` }`
## BONUS_OWNER_UPDATER
TODO: document me