diff options
Diffstat (limited to 'engine/items.asm')
| -rwxr-xr-x | engine/items.asm | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/engine/items.asm b/engine/items.asm deleted file mode 100755 index c07042aed..000000000 --- a/engine/items.asm +++ /dev/null @@ -1,581 +0,0 @@ -_ReceiveItem:: ; d1d5 - call DoesHLEqualNumItems - jp nz, PutItemInPocket - push hl - call CheckItemPocket - pop de - ld a, [wItemAttributeParamBuffer] - dec a - ld hl, .Pockets - rst JumpTable - ret - -.Pockets: ; d1e9 -; entries correspond to item types - dw .Item - dw .KeyItem - dw .Ball - dw .TMHM - -.Item: ; d1f1 - ld h, d - ld l, e - jp PutItemInPocket - -.KeyItem: ; d1f6 - ld h, d - ld l, e - jp ReceiveKeyItem - -.Ball: ; d1fb - ld hl, wNumBalls - jp PutItemInPocket - -.TMHM: ; d201 - ld h, d - ld l, e - ld a, [wCurItem] - ld c, a - call GetTMHMNumber - jp ReceiveTMHM - -_TossItem:: ; d20d - call DoesHLEqualNumItems - jr nz, .remove - push hl - call CheckItemPocket - pop de - ld a, [wItemAttributeParamBuffer] - dec a - ld hl, .Pockets - rst JumpTable - ret - -.Pockets: -; entries correspond to item types - dw .Item - dw .KeyItem - dw .Ball - dw .TMHM - -.Ball: ; d228 - ld hl, wNumBalls - jp RemoveItemFromPocket - -.TMHM: ; d22e - ld h, d - ld l, e - ld a, [wCurItem] - ld c, a - call GetTMHMNumber - jp TossTMHM - -.KeyItem: ; d23a - ld h, d - ld l, e - jp TossKeyItem - -.Item: ; d23f - ld h, d - ld l, e - -.remove - jp RemoveItemFromPocket - -_CheckItem:: ; d244 - call DoesHLEqualNumItems - jr nz, .nope - push hl - call CheckItemPocket - pop de - ld a, [wItemAttributeParamBuffer] - dec a - ld hl, .Pockets - rst JumpTable - ret - -.Pockets: -; entries correspond to item types - dw .Item - dw .KeyItem - dw .Ball - dw .TMHM - -.Ball: ; d25f - ld hl, wNumBalls - jp CheckTheItem - -.TMHM: ; d265 - ld h, d - ld l, e - ld a, [wCurItem] - ld c, a - call GetTMHMNumber - jp CheckTMHM - -.KeyItem: ; d271 - ld h, d - ld l, e - jp CheckKeyItems - -.Item: ; d276 - ld h, d - ld l, e - -.nope - jp CheckTheItem - -DoesHLEqualNumItems: ; d27b - ld a, l - cp LOW(wNumItems) - ret nz - ld a, h - cp HIGH(wNumItems) - ret - -GetPocketCapacity: ; d283 - ld c, MAX_ITEMS - ld a, e - cp LOW(wNumItems) - jr nz, .not_bag - ld a, d - cp HIGH(wNumItems) - ret z - -.not_bag - ld c, MAX_PC_ITEMS - ld a, e - cp LOW(wPCItems) - jr nz, .not_pc - ld a, d - cp HIGH(wPCItems) - ret z - -.not_pc - ld c, MAX_BALLS - ret - -PutItemInPocket: ; d29c - ld d, h - ld e, l - inc hl - ld a, [wCurItem] - ld c, a - ld b, 0 -.loop - ld a, [hli] - cp -1 - jr z, .terminator - cp c - jr nz, .next - ld a, 99 - sub [hl] - add b - ld b, a - ld a, [wItemQuantityChangeBuffer] - cp b - jr z, .ok - jr c, .ok - -.next - inc hl - jr .loop - -.terminator - call GetPocketCapacity - ld a, [de] - cp c - jr c, .ok - and a - ret - -.ok - ld h, d - ld l, e - ld a, [wCurItem] - ld c, a - ld a, [wItemQuantityChangeBuffer] - ld [wItemQuantityBuffer], a -.loop2 - inc hl - ld a, [hli] - cp -1 - jr z, .terminator2 - cp c - jr nz, .loop2 - ld a, [wItemQuantityBuffer] - add [hl] - cp 100 - jr nc, .newstack - ld [hl], a - jr .done - -.newstack - ld [hl], 99 - sub 99 - ld [wItemQuantityBuffer], a - jr .loop2 - -.terminator2 - dec hl - ld a, [wCurItem] - ld [hli], a - ld a, [wItemQuantityBuffer] - ld [hli], a - ld [hl], -1 - ld h, d - ld l, e - inc [hl] - -.done - scf - ret - -RemoveItemFromPocket: ; d2ff - ld d, h - ld e, l - ld a, [hli] - ld c, a - ld a, [wCurItemQuantity] - cp c - jr nc, .ok ; memory - ld c, a - ld b, $0 - add hl, bc - add hl, bc - ld a, [wCurItem] - cp [hl] - inc hl - jr z, .skip - ld h, d - ld l, e - inc hl - -.ok - ld a, [wCurItem] - ld b, a -.loop - ld a, [hli] - cp b - jr z, .skip - cp -1 - jr z, .nope - inc hl - jr .loop - -.skip - ld a, [wItemQuantityChangeBuffer] - ld b, a - ld a, [hl] - sub b - jr c, .nope - ld [hl], a - ld [wItemQuantityBuffer], a - and a - jr nz, .yup - dec hl - ld b, h - ld c, l - inc hl - inc hl -.loop2 - ld a, [hli] - ld [bc], a - inc bc - cp -1 - jr nz, .loop2 - ld h, d - ld l, e - dec [hl] - -.yup - scf - ret - -.nope - and a - ret - -CheckTheItem: ; d349 - ld a, [wCurItem] - ld c, a -.loop - inc hl - ld a, [hli] - cp -1 - jr z, .done - cp c - jr nz, .loop - scf - ret - -.done - and a - ret - -ReceiveKeyItem: ; d35a - ld hl, wNumKeyItems - ld a, [hli] - cp MAX_KEY_ITEMS - jr nc, .nope - ld c, a - ld b, 0 - add hl, bc - ld a, [wCurItem] - ld [hli], a - ld [hl], -1 - ld hl, wNumKeyItems - inc [hl] - scf - ret - -.nope - and a - ret - -TossKeyItem: ; d374 - ld a, [wCurItemQuantity] - ld e, a - ld d, 0 - ld hl, wNumKeyItems - ld a, [hl] - cp e - jr nc, .ok - call .Toss - ret nc - jr .ok2 - -.ok - dec [hl] - inc hl - add hl, de - -.ok2 - ld d, h - ld e, l - inc hl -.loop - ld a, [hli] - ld [de], a - inc de - cp -1 - jr nz, .loop - scf - ret - -.Toss: ; d396 - ld hl, wNumKeyItems - ld a, [wCurItem] - ld c, a -.loop3 - inc hl - ld a, [hl] - cp c - jr z, .ok3 - cp -1 - jr nz, .loop3 - xor a - ret - -.ok3 - ld a, [wNumKeyItems] - dec a - ld [wNumKeyItems], a - scf - ret - -CheckKeyItems: ; d3b1 - ld a, [wCurItem] - ld c, a - ld hl, wKeyItems -.loop - ld a, [hli] - cp c - jr z, .done - cp -1 - jr nz, .loop - and a - ret - -.done - scf - ret - -ReceiveTMHM: ; d3c4 - dec c - ld b, 0 - ld hl, wTMsHMs - add hl, bc - ld a, [wItemQuantityChangeBuffer] - add [hl] - cp 100 - jr nc, .toomany - ld [hl], a - scf - ret - -.toomany - and a - ret - -TossTMHM: ; d3d8 - dec c - ld b, 0 - ld hl, wTMsHMs - add hl, bc - ld a, [wItemQuantityChangeBuffer] - ld b, a - ld a, [hl] - sub b - jr c, .nope - ld [hl], a - ld [wItemQuantityBuffer], a - jr nz, .yup - ld a, [wTMHMPocketScrollPosition] - and a - jr z, .yup - dec a - ld [wTMHMPocketScrollPosition], a - -.yup - scf - ret - -.nope - and a - ret - -CheckTMHM: ; d3fb - dec c - ld b, $0 - ld hl, wTMsHMs - add hl, bc - ld a, [hl] - and a - ret z - scf - ret - -GetTMHMNumber:: ; d407 -; Return the number of a TM/HM by item id c. - ld a, c -; Skip any dummy items. - cp ITEM_C3 ; TM04-05 - jr c, .done - cp ITEM_DC ; TM28-29 - jr c, .skip - dec a -.skip - dec a -.done - sub TM01 - inc a - ld c, a - ret - -GetNumberedTMHM: ; d417 -; Return the item id of a TM/HM by number c. - ld a, c -; Skip any gaps. - cp ITEM_C3 - (TM01 - 1) - jr c, .done - cp ITEM_DC - (TM01 - 1) - 1 - jr c, .skip_one -.skip_two - inc a -.skip_one - inc a -.done - add TM01 - dec a - ld c, a - ret - -_CheckTossableItem:: ; d427 -; Return 1 in wItemAttributeParamBuffer and carry if wCurItem can't be removed from the bag. - ld a, ITEMATTR_PERMISSIONS - call GetItemAttr - bit CANT_TOSS_F, a - jr nz, ItemAttr_ReturnCarry - and a - ret - -CheckSelectableItem: ; d432 -; Return 1 in wItemAttributeParamBuffer and carry if wCurItem can't be selected. - ld a, ITEMATTR_PERMISSIONS - call GetItemAttr - bit CANT_SELECT_F, a - jr nz, ItemAttr_ReturnCarry - and a - ret - -CheckItemPocket:: ; d43d -; Return the pocket for wCurItem in wItemAttributeParamBuffer. - ld a, ITEMATTR_POCKET - call GetItemAttr - and $f - ld [wItemAttributeParamBuffer], a - ret - -CheckItemContext: ; d448 -; Return the context for wCurItem in wItemAttributeParamBuffer. - ld a, ITEMATTR_HELP - call GetItemAttr - and $f - ld [wItemAttributeParamBuffer], a - ret - -CheckItemMenu: ; d453 -; Return the menu for wCurItem in wItemAttributeParamBuffer. - ld a, ITEMATTR_HELP - call GetItemAttr - swap a - and $f - ld [wItemAttributeParamBuffer], a - ret - -GetItemAttr: ; d460 -; Get attribute a of wCurItem. - - push hl - push bc - - ld hl, ItemAttributes - ld c, a - ld b, 0 - add hl, bc - - xor a - ld [wItemAttributeParamBuffer], a - - ld a, [wCurItem] - dec a - ld c, a - ld a, ITEMATTR_STRUCT_LENGTH - call AddNTimes - ld a, BANK(ItemAttributes) - call GetFarByte - - pop bc - pop hl - ret - -ItemAttr_ReturnCarry: ; d47f - ld a, 1 - ld [wItemAttributeParamBuffer], a - scf - ret - -GetItemPrice: ; d486 -; Return the price of wCurItem in de. - push hl - push bc - ld a, ITEMATTR_PRICE - call GetItemAttr - ld e, a - ld a, ITEMATTR_PRICE_HI - call GetItemAttr - ld d, a - pop bc - pop hl - ret |