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add_tm and add_hm define TM##_MOVE and HM##_MOVE constants, to avoid repeating the move names twice

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This commit is contained in:
Rangi 2020-07-06 09:32:55 -04:00
parent 405889193e
commit 25a3e67b94
3 changed files with 94 additions and 60 deletions
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39
constants/item_constants.asm
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@ -103,10 +103,27 @@ SAFARI_ROCK EQU $16 ; overload
const_value = $C4
add_hm: MACRO
if !DEF(HM01)
; Defines three constants:
; - HM_\1: the item id, starting at $C4
; - \1_TMNUM: the learnable TM/HM flag, starting at 51
; - HM##_MOVE: alias for the move id, equal to the value of \1
; The first usage also defines HM01 as the first HM item id.
;
; HMs are defined before TMs, so the value of NUM_TMS is not
; available here, and its value of 50 is hard-coded.
IF !DEF(HM01)
HM01 EQU const_value
enum_start 51 ; NUM_TMS + 1
endc
ENDC
HM_VALUE EQU __enum__ - 50 ; __enum__ - NUM_TMS
IF HM_VALUE < 10
MOVE_FOR_HM EQUS "HM0{d:HM_VALUE}_MOVE"
ELSE
MOVE_FOR_HM EQUS "HM{d:HM_VALUE}_MOVE"
ENDC
MOVE_FOR_HM = \1
PURGE MOVE_FOR_HM
PURGE HM_VALUE
const HM_\1
enum \1_TMNUM
ENDM
@ -119,10 +136,22 @@ ENDM
NUM_HMS EQU const_value - HM01
add_tm: MACRO
if !DEF(TM01)
; Defines three constants:
; - TM_\1: the item id, starting at $C9
; - \1_TMNUM: the learnable TM/HM flag, starting at 1
; - TM##_MOVE: alias for the move id, equal to the value of \1
; The first usage also defines TM01 as the first TM item id.
IF !DEF(TM01)
TM01 EQU const_value
enum_start 1
endc
ENDC
IF __enum__ < 10
MOVE_FOR_TM EQUS "TM0{d:__enum__}_MOVE"
ELSE
MOVE_FOR_TM EQUS "TM{d:__enum__}_MOVE"
ENDC
MOVE_FOR_TM = \1
PURGE MOVE_FOR_TM
const TM_\1
enum \1_TMNUM
ENDM
@ -179,5 +208,7 @@ ENDM
add_tm SUBSTITUTE ; $FA
NUM_TMS EQU const_value - TM01
; 50 TMs + 5 HMs = 55 learnable TM/HM flags per Pokémon.
; These fit in 7 bytes, with one unused bit left over.
enum_start NUM_TMS + NUM_HMS + 1
enum UNUSED_TMNUM