mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
Document a bugfix: 1/256 failure rate for 100% effect chance
This commit is contained in:
parent
3650232398
commit
5207615cdc
@ -16,6 +16,7 @@ Fixes are written in the `diff` format. If you've used Git before, this should l
|
||||
- [Thick Club and Light Ball can make (Special) Attack wrap around above 1024](#thick-club-and-light-ball-can-make-special-attack-wrap-around-above-1024)
|
||||
- [Metal Powder can increase damage taken with boosted (Special) Defense](#metal-powder-can-increase-damage-taken-with-boosted-special-defense)
|
||||
- [Reflect and Light Screen can make (Special) Defense wrap around above 1024](#reflect-and-light-screen-can-make-special-defense-wrap-around-above-1024)
|
||||
- [Moves with a 100% secondary effect chance will not trigger it in 1/256 uses](#moves-with-a-100-secondary-effect-chance-will-not-trigger-it-in-1256-uses)
|
||||
- [Belly Drum sharply boosts Attack even with under 50% HP](#belly-drum-sharply-boosts-attack-even-with-under-50-hp)
|
||||
- [Confusion damage is affected by type-boosting items and Explosion/Self-Destruct doubling](#confusion-damage-is-affected-by-type-boosting-items-and-explosionself-destruct-doubling)
|
||||
- [Moves that lower Defense can do so after breaking a Substitute](#moves-that-lower-defense-can-do-so-after-breaking-a-substitute)
|
||||
@ -161,6 +162,35 @@ This bug existed for all battles in Gold and Silver, and was only fixed for sing
|
||||
(This fix also affects Thick Club, Light Ball, and Metal Powder, as described above, but their specific fixes in the above bugs allow more accurate damage calculations.)
|
||||
|
||||
|
||||
## Moves with a 100% secondary effect chance will not trigger it in 1/256 uses
|
||||
|
||||
*Fixing this bug will break compatibility with standard Pokémon Crystal for link battles.*
|
||||
|
||||
([Video](https://www.youtube.com/watch?v=mHkyO5T5wZU&t=206))
|
||||
|
||||
**Fix:** Edit `BattleCommand_EffectChance` in [engine/battle/effect_commands.asm](/engine/battle/effect_commands.asm):
|
||||
|
||||
```diff
|
||||
- ; BUG: 1/256 chance to fail even for a 100% effect chance,
|
||||
- ; since carry is not set if BattleRandom == [hl] == 255
|
||||
+ ld a, [hl]
|
||||
+ cp 100 percent
|
||||
+ jr z, .ok
|
||||
call BattleRandom
|
||||
cp [hl]
|
||||
- pop hl
|
||||
- ret c
|
||||
+ jr c, .ok
|
||||
|
||||
.failed
|
||||
ld a, 1
|
||||
ld [wEffectFailed], a
|
||||
and a
|
||||
+.ok
|
||||
+ pop hl
|
||||
ret
|
||||
```
|
||||
|
||||
## Belly Drum sharply boosts Attack even with under 50% HP
|
||||
|
||||
*Fixing this bug will break compatibility with standard Pokémon Crystal for link battles.*
|
||||
|
@ -1877,6 +1877,8 @@ BattleCommand_EffectChance:
|
||||
ld hl, wEnemyMoveStruct + MOVE_CHANCE
|
||||
.got_move_chance
|
||||
|
||||
; BUG: 1/256 chance to fail even for a 100% effect chance,
|
||||
; since carry is not set if BattleRandom == [hl] == 255
|
||||
call BattleRandom
|
||||
cp [hl]
|
||||
pop hl
|
||||
|
Loading…
Reference in New Issue
Block a user