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Don't overlap GO_* and BRANCH_DIRECTION_* constants [bug fix] (#28)

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xCrystal 2023-12-14 17:03:28 +01:00
parent 5a7a380e37
commit 429aad6798
1 changed files with 11 additions and 10 deletions
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21
constants/space_constants.asm Executable file → Normal file
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@ -3,14 +3,15 @@ DEF FIRST_SPACE_METATILE EQU $80
DEF FIRST_GREY_SPACE_METATILE EQU $e0 DEF FIRST_GREY_SPACE_METATILE EQU $e0
DEF UNIQUE_SPACE_METATILES_MASK EQU %11111 DEF UNIQUE_SPACE_METATILES_MASK EQU %11111
; reserved next space values that signal movement towards anchor point rather than towards space
const_def -1, -1
const GO_DOWN ; 255
const GO_UP ; 254
const GO_LEFT ; 253
const GO_RIGHT ; 252
DEF NEXT_SPACE_IS_ANCHOR_POINT EQU const_value + 1
; Branch Space special direction values ; Branch Space special direction values
DEF BRANCH_DIRECTION_INVALID EQU -1 const_def -1, -1
DEF BRANCH_DIRECTION_UNAVAILABLE EQU -2 const BRANCH_DIRECTION_INVALID ; -1
const BRANCH_DIRECTION_UNAVAILABLE ; -2
; reserved next space values that signal movement towards anchor point rather than towards space.
; must not overlap with BRANCH_DIRECTION_* constants in order to support GO_* values as next spaces of a branch direction.
const GO_DOWN ; 253
const GO_UP ; 252
const GO_LEFT ; 251
const GO_RIGHT ; 250
DEF NEXT_SPACE_IS_ANCHOR_POINT EQU const_value + 1