diff options
Diffstat (limited to 'engine/overworld/pokemart.asm')
-rwxr-xr-x | engine/overworld/pokemart.asm | 112 |
1 files changed, 65 insertions, 47 deletions
diff --git a/engine/overworld/pokemart.asm b/engine/overworld/pokemart.asm index fa93e1db..de18a1ab 100755 --- a/engine/overworld/pokemart.asm +++ b/engine/overworld/pokemart.asm @@ -1,30 +1,34 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) ld a,[wListScrollOffset] - ld [wd07e],a + ld [wSavedListScrollOffset],a call UpdateSprites xor a - ld [wcf0a],a ; flag that is set if something is sold or bought + ld [wBoughtOrSoldItemInMart],a .loop xor a ld [wListScrollOffset],a ld [wCurrentMenuItem],a ld [wPlayerMonNumber],a inc a - ld [wcf93],a + ld [wPrintItemPrices],a ld a,MONEY_BOX ld [wTextBoxID],a - call DisplayTextBoxID ; draw money text box + call DisplayTextBoxID ld a,BUY_SELL_QUIT_MENU ld [wTextBoxID],a - call DisplayTextBoxID ; do buy/sell/quit menu - ld hl,wd128 ; pointer to this pokemart's inventory + call DisplayTextBoxID + +; This code is useless. It copies the address of the pokemart's inventory to hl, +; but the address is never used. + ld hl,wItemListPointer ld a,[hli] ld l,[hl] - ld h,a ; hl = address of inventory - ld a,[wd12e] - cp a,$02 + ld h,a + + ld a,[wMenuExitMethod] + cp a,CANCELLED_MENU jp z,.done - ld a,[wd12d] ; ID of the chosen menu item + ld a,[wChosenMenuItem] and a ; buying? jp z,.buyMenu dec a ; selling? @@ -32,11 +36,14 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) dec a ; quitting? jp z,.done .sellMenu + +; the same variables are set again below, so this code has no effect xor a - ld [wcf93],a - ld a,$02 - ld [wd11b],a + ld [wPrintItemPrices],a + ld a,INIT_BAG_ITEM_LIST + ld [wInitListType],a callab InitList + ld a,[wNumBagItems] and a jp z,.bagEmpty @@ -54,15 +61,15 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) ld a,h ld [wList + 1],a xor a - ld [wcf93],a + ld [wPrintItemPrices],a ld [wCurrentMenuItem],a ld a,ITEMLISTMENU ld [wListMenuID],a call DisplayListMenuID jp c,.returnToMainPokemartMenu ; if the player closed the menu .confirmItemSale ; if the player is trying to sell a specific item - call IsKeyItem ; check if item is unsellable - ld a,[wd124] + call IsKeyItem + ld a,[wIsKeyItem] and a jr nz,.unsellableItem ld a,[wcf91] @@ -70,7 +77,7 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) jr c,.unsellableItem ld a,PRICEDITEMLISTMENU ld [wListMenuID],a - ld [$ff8e],a ; halve prices when selling + ld [hHalveItemPrices],a ; halve prices when selling call DisplayChooseQuantityMenu inc a jr z,.sellMenuLoop ; if the player closed the choose quantity menu with the B button @@ -82,18 +89,22 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) ld a,TWO_OPTION_MENU ld [wTextBoxID],a call DisplayTextBoxID ; yes/no menu - ld a,[wd12e] - cp a,$02 - jr z,.sellMenuLoop ; if the player pressed the B button - ld a,[wd12d] ; ID of the chosen menu item + ld a,[wMenuExitMethod] + cp a,CHOSE_SECOND_ITEM + jr z,.sellMenuLoop ; if the player chose No or pressed the B button + +; The following code is supposed to check if the player chose No, but the above +; check already catches it. + ld a,[wChosenMenuItem] dec a - jr z,.sellMenuLoop ; if the player chose No + jr z,.sellMenuLoop + .sellItem - ld a,[wcf0a] ; flag that is set if something is sold or bought + ld a,[wBoughtOrSoldItemInMart] and a jr nz,.skipSettingFlag1 inc a - ld [wcf0a],a + ld [wBoughtOrSoldItemInMart],a .skipSettingFlag1 call AddAmountSoldToMoney ld hl,wNumBagItems @@ -106,22 +117,25 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) .bagEmpty ld hl,PokemartItemBagEmptyText call PrintText - call SaveScreenTilesToBuffer1 ; save screen + call SaveScreenTilesToBuffer1 jp .returnToMainPokemartMenu .buyMenu - ld a,$01 - ld [wcf93],a - ld a,$03 - ld [wd11b],a + +; the same variables are set again below, so this code has no effect + ld a,1 + ld [wPrintItemPrices],a + ld a,INIT_OTHER_ITEM_LIST + ld [wInitListType],a callab InitList + ld hl,PokemartBuyingGreetingText call PrintText - call SaveScreenTilesToBuffer1 ; save screen + call SaveScreenTilesToBuffer1 .buyMenuLoop - call LoadScreenTilesFromBuffer1 ; restore saved screen + call LoadScreenTilesFromBuffer1 ld a,MONEY_BOX ld [wTextBoxID],a - call DisplayTextBoxID ; draw money text box + call DisplayTextBoxID ld hl,wStringBuffer2 + 11 ld a,l ld [wList],a @@ -130,15 +144,15 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) xor a ld [wCurrentMenuItem],a inc a - ld [wcf93],a + ld [wPrintItemPrices],a inc a ; a = 2 (PRICEDITEMLISTMENU) ld [wListMenuID],a call DisplayListMenuID jr c,.returnToMainPokemartMenu ; if the player closed the menu - ld a,$63 - ld [wcf97],a + ld a,99 + ld [wMaxItemQuantity],a xor a - ld [$ff8e],a + ld [hHalveItemPrices],a ; don't halve item prices when buying call DisplayChooseQuantityMenu inc a jr z,.buyMenuLoop ; if the player closed the choose quantity menu with the B button @@ -153,12 +167,16 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) ld a,TWO_OPTION_MENU ld [wTextBoxID],a call DisplayTextBoxID ; yes/no menu - ld a,[wd12e] - cp a,$02 - jp z,.buyMenuLoop ; if the player pressed the B button - ld a,[wd12d] ; ID of the chosen menu item + ld a,[wMenuExitMethod] + cp a,CHOSE_SECOND_ITEM + jp z,.buyMenuLoop ; if the player chose No or pressed the B button + +; The following code is supposed to check if the player chose No, but the above +; check already catches it. + ld a,[wChosenMenuItem] dec a - jr z,.buyMenuLoop ; if the player chose No + jr z,.buyMenuLoop + .buyItem call .isThereEnoughMoney jr c,.notEnoughMoney @@ -166,11 +184,11 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) call AddItemToInventory jr nc,.bagFull call SubtractAmountPaidFromMoney - ld a,[wcf0a] ; flag that is set if something is sold or bought + ld a,[wBoughtOrSoldItemInMart] and a jr nz,.skipSettingFlag2 - ld a,$01 - ld [wcf0a],a + ld a,1 + ld [wBoughtOrSoldItemInMart],a .skipSettingFlag2 ld a,(SFX_02_5a - SFX_Headers_02) / 3 call PlaySoundWaitForCurrent @@ -182,7 +200,7 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) call LoadScreenTilesFromBuffer1 ld a,MONEY_BOX ld [wTextBoxID],a - call DisplayTextBoxID ; draw money text box + call DisplayTextBoxID ld hl,PokemartAnythingElseText call PrintText jp .loop @@ -202,10 +220,10 @@ DisplayPokemartDialogue_: ; 6c20 (1:6c20) .done ld hl,PokemartThankYouText call PrintText - ld a,$01 + ld a,1 ld [wUpdateSpritesEnabled],a call UpdateSprites - ld a,[wd07e] + ld a,[wSavedListScrollOffset] ld [wListScrollOffset],a ret |