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Implement View Map mode [commit 5]: make View Map mode work from branch space (#29)

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This commit is contained in:
xCrystal 2023-11-04 17:17:08 +01:00
parent 8f3e9b04e2
commit 2df937cbee
10 changed files with 165 additions and 97 deletions
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2
charmap.asm
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@ -194,4 +194,4 @@ DEF DIE_NUMBERS_OAM_FIRST_TILE EQU BOARD_MENU_OAM_FIRST_TILE
DEF BRANCH_ARROWS_OAM_FIRST_TILE EQU DIE_NUMBERS_OAM_FIRST_TILE + 40 ; DIE_NUMBER_SIZE * 10
DEF VIEW_MAP_MODE_OAM_FIRST_TILE EQU SECONDARY_SPRITES_FIRST_TILE
DEF VIEW_MAP_MODE_OAM_FIRST_TILE EQU BOARD_MENU_OAM_FIRST_TILE + 45 ; max(BRANCH_ARROWS_OAM_FIRST_TILE + NUM_DIRECTIONS, BOARD_MENU_ITEM_SIZE * NUM_BOARD_MENU_ITEMS)

1
constants/script_constants.asm
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@ -331,6 +331,7 @@ DEF NUM_UNOWN_PUZZLES EQU const_value
const BOARDEVENT_END_TURN ; 3
const BOARDEVENT_VIEW_MAP_MODE ; 4
const BOARDEVENT_REDISPLAY_MENU ; 5
const BOARDEVENT_RESUME_BRANCH ; 6
DEF NUM_BOARD_EVENTS EQU const_value - 1
; exitoverworld arguments

1
data/maps/setup_script_pointers.asm
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@ -51,3 +51,4 @@ MapSetupCommands:
add_mapsetup EnableTextAcceleration ; 2c
add_mapsetup ConstructAndEnableOverworldHUD ; 2d
add_mapsetup EnableOverworldHUD ; 2e
add_mapsetup SpawnInCustomFacing ; 2f

1
data/maps/setup_scripts.asm
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@ -183,6 +183,7 @@ MapSetupScript_ExitViewMap:
mapsetup LoadMapObjects
mapsetup EnableLCD
mapsetup LoadMapPalettes
mapsetup SpawnInCustomFacing ; restore player's facing if in branch space
mapsetup RefreshMapSprites
mapsetup FadeInPalettesFromWhite
mapsetup ActivateMapAnims

11
engine/board/menu.asm
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@ -75,9 +75,7 @@ BoardMenuScript::
.ViewMap:
callasm .EnterViewMapMode
appearplayermock
closetext
callasm .ViewMapModeOAM
end
.EnterViewMapMode:
@ -99,15 +97,12 @@ BoardMenuScript::
ld [wViewMapModeDisplacementY], a
ld [wViewMapModeDisplacementX], a
call DisableOverworldHUD
ld hl, wPlayerFlags
set INVISIBLE_F, [hl]
ret
.ViewMapModeOAM:
; this runs after closetext to prevent graphical glitches with the board menu OAM
farcall LoadViewMapModeGFX
ld hl, wDisplaySecondarySprites
set SECONDARYSPRITES_VIEW_MAP_MODE_F, [hl]
ld hl, wPlayerFlags
set INVISIBLE_F, [hl]
farcall MockPlayerObject
ret
.SubmenuCallback:

62
engine/board/spaces.asm
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@ -137,9 +137,9 @@ LandedInRegularSpaceScript_AfterSpaceEffect:
ret
BranchSpaceScript::
scall .ArriveToBranchSpaceScript
.prompt_player
callasm .PromptPlayerToChooseDirection
scall ArriveToBranchSpaceScript
BranchSpaceScript_PromptPlayer::
callasm PromptPlayerToChooseBranchDirection
iffalse .print_technique_required
wait 200
end
@ -149,14 +149,14 @@ BranchSpaceScript::
writetext .TechniqueRequiredText
waitbutton
closetext
sjump .prompt_player
sjump BranchSpaceScript_PromptPlayer
.TechniqueRequiredText:
text "A new TECHNIQUE is"
line "required!"
done
.ArriveToBranchSpaceScript:
ArriveToBranchSpaceScript:
playsound SFX_TWINKLE
wait 400
callasm .ArriveToBranchSpace
@ -199,20 +199,25 @@ rept NUM_DIRECTIONS
endr
ret
.PromptPlayerToChooseDirection:
; sample a dpad press
PromptPlayerToChooseBranchDirection:
; sample a dpad press or SELECT button
ld hl, wTempSpaceBranchStruct
call GetJoypad
ldh a, [hJoyPressed]
and D_PAD
jr z, .PromptPlayerToChooseDirection
and D_PAD | SELECT
jr z, PromptPlayerToChooseBranchDirection
cp SELECT ; check if SELECT pressed along with no dpad key
jr nz, .not_select
jp .EnterViewMapMode
.not_select
; determine the status (ok/invalid/unavailable) of the chosen direction
bit D_RIGHT_F, a
jr z, .not_right
ld a, [hl]
inc a ; cp BRANCH_DIRECTION_INVALID
jr z, .PromptPlayerToChooseDirection
jr z, PromptPlayerToChooseBranchDirection
inc a ; cp BRANCH_DIRECTION_UNAVAILABLE
jr z, .technique_required
jr .direction_chosen
@ -223,7 +228,7 @@ endr
jr z, .not_left
ld a, [hl]
inc a ; cp BRANCH_DIRECTION_INVALID
jr z, .PromptPlayerToChooseDirection
jr z, PromptPlayerToChooseBranchDirection
inc a ; cp BRANCH_DIRECTION_UNAVAILABLE
jr z, .technique_required
jr .direction_chosen
@ -234,7 +239,7 @@ endr
jr z, .not_up
ld a, [hl]
inc a ; cp BRANCH_DIRECTION_INVALID
jr z, .PromptPlayerToChooseDirection
jr z, PromptPlayerToChooseBranchDirection
inc a ; cp BRANCH_DIRECTION_UNAVAILABLE
jr z, .technique_required
jr .direction_chosen
@ -243,7 +248,7 @@ endr
inc hl
ld a, [hl]
inc a ; cp BRANCH_DIRECTION_INVALID
jr z, .PromptPlayerToChooseDirection
jr z, PromptPlayerToChooseBranchDirection
inc a ; cp BRANCH_DIRECTION_UNAVAILABLE
jr z, .technique_required
; fallthrough
@ -263,6 +268,37 @@ endr
ldh [hScriptVar], a
jp PlayClickSFX
.EnterViewMapMode:
ld a, BOARDEVENT_VIEW_MAP_MODE
ldh [hCurBoardEvent], a
ld a, TRUE
ld [wViewMapModeRange], a
ld a, [wMapGroup]
ld [wBeforeViewMapMapGroup], a
ld a, [wMapNumber]
ld [wBeforeViewMapMapNumber], a
ld a, [wXCoord]
ld [wBeforeViewMapXCoord], a
ld a, [wYCoord]
ld [wBeforeViewMapYCoord], a
xor a
ld [wViewMapModeDisplacementY], a
ld [wViewMapModeDisplacementX], a
call DisableOverworldHUD
ld hl, wPlayerFlags
set INVISIBLE_F, [hl]
ld hl, wDisplaySecondarySprites
res SECONDARYSPRITES_SPACES_LEFT_F, [hl]
res SECONDARYSPRITES_BRANCH_ARROWS_F, [hl]
farcall MockPlayerObject
call UpdateSprites
farcall LoadViewMapModeGFX
ld hl, wDisplaySecondarySprites
set SECONDARYSPRITES_VIEW_MAP_MODE_F, [hl]
ld a, TRUE
ldh [hScriptVar], a
jp PlayClickSFX
UnionSpaceScript::
callasm .ArriveToUnionSpace
end

22
engine/overworld/events.asm
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@ -338,8 +338,9 @@ CheckBoardEvent:
dw .menu ; BOARDEVENT_DISPLAY_MENU
dw .board ; BOARDEVENT_HANDLE_BOARD
dw .none ; BOARDEVENT_END_TURN
dw .mapview ; BOARDEVENT_VIEW_MAP_MODE
dw .viewmap ; BOARDEVENT_VIEW_MAP_MODE
dw .menu ; BOARDEVENT_REDISPLAY_MENU
dw .branch ; BOARDEVENT_RESUME_BRANCH
assert_table_length NUM_BOARD_EVENTS + 1
.none
@ -375,7 +376,7 @@ CheckBoardEvent:
scf
ret
.mapview
.viewmap
; check if player pressed B and if so queue the script to exit View Map mode
ldh a, [hJoyDown]
and D_PAD
@ -384,16 +385,27 @@ CheckBoardEvent:
bit B_BUTTON_F, a
ret z ; nc
; B was pressed
ld a, BANK(.ExitMapViewModeScript)
ld hl, .ExitMapViewModeScript
ld a, BANK(.ExitViewMapModeScript)
ld hl, .ExitViewMapModeScript
call CallScript
scf
ret
.ExitMapViewModeScript:
.ExitViewMapModeScript:
reloadmapafterviewmapmode
end
.branch
; special handler to resume branch space after returning from View Map mode.
; skip scall to .ArriveToBranchSpaceScript not to recompute branch struct.
ld a, BOARDEVENT_HANDLE_BOARD
ldh [hCurBoardEvent], a
ld a, BANK(BranchSpaceScript)
ld hl, BranchSpaceScript_PromptPlayer
call CallScript
scf
ret
.no_space_effect
; continue moving in board
xor a

76
engine/overworld/player_object.asm
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@ -99,7 +99,7 @@ WriteObjectXY::
and a
ret
RefreshPlayerCoords:
RefreshPlayerCoords::
ld a, [wXCoord]
add 4
ld d, a
@ -855,3 +855,77 @@ QueueFollowerFirstStep:
.same_xy
scf
ret
MockPlayerObject::
; refresh wPlayerObjectYCoord and wPlayerObjectXCoord
farcall RefreshPlayerCoords
; copy default sprite object to the last object struct
ld hl, .DefaultPlayerObject
ld de, wMap{d:LAST_OBJECT}Object
ld bc, OBJECT_EVENT_SIZE + 1
call CopyBytes
; adjust sprite id and palette number
ld hl, .PlayerObjectFields
.loop
ld a, [wPlayerGender]
cp [hl]
inc hl
jr nz, .next1
ld a, [wPlayerState]
cp [hl]
inc hl
jr nz, .next2
; found a match
ld a, [hli] ; sprite
ld [wMap{d:LAST_OBJECT}ObjectSprite], a
ld a, [hl] ; palette | objecttype
ld [wMap{d:LAST_OBJECT}ObjectPalette], a ; also wMap{d:LAST_OBJECT}ObjectType
jr .copy_player_coords
.next1
inc hl
.next2
inc hl
inc hl
ld a, [hl]
cp -1
jr nz, .loop
.copy_player_coords
; copy player's coordinates
ld hl, wPlayerObjectYCoord
ld de, wMap{d:LAST_OBJECT}ObjectYCoord
ld a, [hli]
ld [de], a
inc de
ld a, [hl] ; wPlayerObjectXCoord
ld [de], a ; wMap{d:LAST_OBJECT}ObjectXCoord
; set facing direction
ld a, [wPlayerDirection]
srl a
srl a
maskbits NUM_DIRECTIONS
ld b, SPRITEMOVEDATA_STANDING_DOWN
add b
ld [wMap{d:LAST_OBJECT}ObjectMovement], a
; display mocked player object
; it will go to the last wMapObjects slot and to whichever wObjectStructs slot
; wObjectStructs[n][MAPOBJECT_OBJECT_STRUCT_ID] links both structs
ld a, NUM_OBJECTS - 1
call UnmaskCopyMapObjectStruct
ret
.DefaultPlayerObject:
db -1 ; MAPOBJECT_OBJECT_STRUCT_ID
object_event 0, 0, SPRITE_CHRIS, SPRITEMOVEDATA_STANDING_DOWN, 0, 0, -1, -1, PAL_NPC_RED, OBJECTTYPE_SCRIPT, 0, ObjectEvent, -1
.PlayerObjectFields:
; [wPlayerGender], [wPlayerState], sprite id, palette
db 0, PLAYER_NORMAL, SPRITE_CHRIS, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_NORMAL, SPRITE_KRIS, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db 0, PLAYER_SURF, SPRITE_SURF, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_SURF, SPRITE_SURF, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db 0, PLAYER_BIKE, SPRITE_CHRIS_BIKE, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_BIKE, SPRITE_KRIS_BIKE, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db -1

81
engine/overworld/scripting.asm
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@ -236,7 +236,6 @@ ScriptCommandTable:
dw Script_checksave ; a9
dw Script_exitoverworld ; aa
dw Script_reloadmapafterviewmapmode ; ab
dw Script_appearplayermock ; ac
assert_table_length NUM_EVENT_COMMANDS
StartScript:
@ -962,69 +961,6 @@ Script_variablesprite:
ld [hl], a
ret
Script_appearplayermock:
ld hl, .DefaultPlayerObject
ld de, wMap{d:LAST_OBJECT}Object
ld bc, OBJECT_EVENT_SIZE + 1
call CopyBytes
; adjust sprite id and palette number
ld hl, .PlayerObjectFields
.loop
ld a, [wPlayerGender]
cp [hl]
inc hl
jr nz, .next1
ld a, [wPlayerState]
cp [hl]
inc hl
jr nz, .next2
; found a match
ld a, [hli] ; sprite
ld [wMap{d:LAST_OBJECT}ObjectSprite], a
ld a, [hl] ; palette | objecttype
ld [wMap{d:LAST_OBJECT}ObjectPalette], a ; also wMap{d:LAST_OBJECT}ObjectType
jr .copy_player_coords
.next1
inc hl
.next2
inc hl
inc hl
ld a, [hl]
cp -1
jr nz, .loop
.copy_player_coords
; copy player's coordinates
ld hl, wPlayerObjectYCoord
ld de, wMap{d:LAST_OBJECT}ObjectYCoord
ld a, [hli]
ld [de], a
inc de
ld a, [hl] ; wPlayerObjectXCoord
ld [de], a ; wMap{d:LAST_OBJECT}ObjectXCoord
; display mocked player object
; it will go to the last wMapObjects slot and to whichever wObjectStructs slot
; wObjectStructs[n][MAPOBJECT_OBJECT_STRUCT_ID] links both structs
ld a, NUM_OBJECTS - 1
call UnmaskCopyMapObjectStruct
ret
.DefaultPlayerObject:
db -1 ; MAPOBJECT_OBJECT_STRUCT_ID
object_event 0, 0, SPRITE_CHRIS, SPRITEMOVEDATA_STANDING_DOWN, 0, 0, -1, -1, PAL_NPC_RED, OBJECTTYPE_SCRIPT, 0, ObjectEvent, -1
.PlayerObjectFields:
; [wPlayerGender], [wPlayerState], sprite id, palette
db 0, PLAYER_NORMAL, SPRITE_CHRIS, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_NORMAL, SPRITE_KRIS, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db 0, PLAYER_SURF, SPRITE_SURF, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_SURF, SPRITE_SURF, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db 0, PLAYER_BIKE, SPRITE_CHRIS_BIKE, PAL_NPC_RED << 4 | OBJECTTYPE_SCRIPT
db 1 << PLAYERGENDER_FEMALE_F, PLAYER_BIKE, SPRITE_KRIS_BIKE, PAL_NPC_BLUE << 4 | OBJECTTYPE_SCRIPT
db -1
Script_appear:
call GetScriptByte
call GetScriptObject
@ -1275,7 +1211,24 @@ Script_reloadmapafterviewmapmode:
ldh [hMapEntryMethod], a
ld a, SPAWN_FROM_RAM
ld [wDefaultSpawnpoint], a
ld a, [wSpacesLeft]
and a
ld a, BOARDEVENT_REDISPLAY_MENU
jr z, .in_board_menu
; .in_branch_space
ld hl, wDisplaySecondarySprites
set SECONDARYSPRITES_SPACES_LEFT_F, [hl]
set SECONDARYSPRITES_BRANCH_ARROWS_F, [hl]
ld hl, wPlayerSpriteSetupFlags
; get the facing direction from the mocked object's facing direction
ld a, [wMap{d:LAST_OBJECT}ObjectMovement]
sub SPRITEMOVEDATA_STANDING_DOWN
ld [hl], a
set PLAYERSPRITESETUP_CUSTOM_FACING_F, [hl]
ld a, BOARDEVENT_RESUME_BRANCH
.in_board_menu
ldh [hCurBoardEvent], a
ld hl, wDisplaySecondarySprites
res SECONDARYSPRITES_VIEW_MAP_MODE_F, [hl]

5
macros/scripts/events.asm
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@ -1076,9 +1076,4 @@ MACRO reloadmapafterviewmapmode
db reloadmapafterviewmapmode_command
ENDM
const appearplayermock_command ; $ac
MACRO appearplayermock
db appearplayermock_command
ENDM
DEF NUM_EVENT_COMMANDS EQU const_value