diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/shop.c | 300 |
1 files changed, 299 insertions, 1 deletions
diff --git a/src/shop.c b/src/shop.c index 0ce14c004..110b5cdea 100644 --- a/src/shop.c +++ b/src/shop.c @@ -27,6 +27,7 @@ #include "decoration_inventory.h" extern void sub_80B4378(u8); +extern void sub_80B43F0(u8); extern void sub_80B4470(u8); extern bool8 sub_80A52C4(u8, u8); @@ -42,7 +43,7 @@ struct MartInfo /* 0x0 */ void (* callback) (void); /* 0x4 */ u16 *itemList; /* 0x8 */ u8 itemCount; - /* 0x9 */ u8 cursor; + /* 0x9 */ u8 cursor; // this shows the on-screen true index of the cursor and not the current item selected. /* 0xA */ u8 numChoices; /* 0xB */ u8 choicesAbove; /* 0xC */ u8 martType; @@ -760,3 +761,300 @@ void sub_80B3EFC(u8 taskId) gTasks[taskId].func = sub_80B3DC8; } + +// the next two functions are strange gMenuWindow functions that manually acccess gMenuWindow.tilemap and do weird pointer arithmetic. i'd rather not deal with these right now. +__attribute__((naked)) +void sub_80B3F88(void) +{ + asm(".syntax unified\n\ + push {r4-r7,lr}\n\ + mov r7, r10\n\ + mov r6, r9\n\ + mov r5, r8\n\ + push {r5-r7}\n\ + sub sp, 0x4\n\ + ldr r0, _080B4020 @ =gMenuWindow\n\ + mov r8, r0\n\ + ldr r1, [r0, 0x28]\n\ + ldr r3, _080B4024 @ =0x000003de\n\ + adds r1, r3\n\ + adds r2, r1, 0\n\ + adds r2, 0x80\n\ + ldr r7, [r0, 0x24]\n\ + mov r10, r7\n\ + ldr r0, _080B4028 @ =0x000003ff\n\ + mov r9, r0\n\ + movs r6, 0xD\n\ +_080B3FAC:\n\ + adds r3, r2, 0\n\ + subs r3, 0x40\n\ + str r3, [sp]\n\ + movs r7, 0x40\n\ + negs r7, r7\n\ + adds r7, r1\n\ + mov r12, r7\n\ + adds r3, r2, 0\n\ + adds r4, r1, 0\n\ + movs r5, 0xE\n\ +_080B3FC0:\n\ + ldrh r2, [r4]\n\ + mov r1, r9\n\ + ands r1, r2\n\ + mov r7, r8\n\ + ldrh r0, [r7, 0x1A]\n\ + adds r0, 0x1\n\ + cmp r1, r0\n\ + ble _080B3FD4\n\ + adds r0, r2, 0\n\ + adds r0, 0x3C\n\ +_080B3FD4:\n\ + strh r0, [r3]\n\ + adds r3, 0x2\n\ + adds r4, 0x2\n\ + subs r5, 0x1\n\ + cmp r5, 0\n\ + bge _080B3FC0\n\ + ldr r2, [sp]\n\ + mov r1, r12\n\ + subs r6, 0x1\n\ + cmp r6, 0\n\ + bge _080B3FAC\n\ + ldr r1, _080B402C @ =0x00003a20\n\ + add r1, r10\n\ + movs r0, 0xF0\n\ + lsls r0, 3\n\ + adds r2, r1, r0\n\ + ldr r3, _080B4030 @ =0x040000d4\n\ + ldr r5, _080B4034 @ =0x800000f0\n\ + ldr r4, _080B4038 @ =0xfffffc40\n\ + movs r6, 0xD\n\ +_080B3FFC:\n\ + str r1, [r3]\n\ + str r2, [r3, 0x4]\n\ + str r5, [r3, 0x8]\n\ + ldr r0, [r3, 0x8]\n\ + adds r2, r4\n\ + adds r1, r4\n\ + subs r6, 0x1\n\ + cmp r6, 0\n\ + bge _080B3FFC\n\ + add sp, 0x4\n\ + pop {r3-r5}\n\ + mov r8, r3\n\ + mov r9, r4\n\ + mov r10, r5\n\ + pop {r4-r7}\n\ + pop {r0}\n\ + bx r0\n\ + .align 2, 0\n\ +_080B4020: .4byte gMenuWindow\n\ +_080B4024: .4byte 0x000003de\n\ +_080B4028: .4byte 0x000003ff\n\ +_080B402C: .4byte 0x00003a20\n\ +_080B4030: .4byte 0x040000d4\n\ +_080B4034: .4byte 0x800000f0\n\ +_080B4038: .4byte 0xfffffc40\n\ + .syntax divided"); +} + +__attribute__((naked)) +void sub_80B403C(void) +{ + asm(".syntax unified\n\ + push {r4-r7,lr}\n\ + mov r7, r10\n\ + mov r6, r9\n\ + mov r5, r8\n\ + push {r5-r7}\n\ + sub sp, 0x4\n\ + ldr r0, _080B40D8 @ =gMenuWindow\n\ + mov r8, r0\n\ + ldr r2, [r0, 0x28]\n\ + adds r1, r2, 0\n\ + adds r1, 0x9E\n\ + adds r2, r1, 0\n\ + adds r1, 0x80\n\ + ldr r3, [r0, 0x24]\n\ + mov r10, r3\n\ + ldr r7, _080B40DC @ =0x000003ff\n\ + mov r9, r7\n\ + movs r6, 0xD\n\ +_080B4060:\n\ + adds r0, r2, 0\n\ + adds r0, 0x40\n\ + str r0, [sp]\n\ + movs r3, 0x40\n\ + adds r3, r1\n\ + mov r12, r3\n\ + adds r3, r2, 0\n\ + adds r4, r1, 0\n\ + movs r5, 0xE\n\ +_080B4072:\n\ + ldrh r2, [r4]\n\ + mov r1, r9\n\ + ands r1, r2\n\ + mov r7, r8\n\ + ldrh r0, [r7, 0x1A]\n\ + adds r0, 0x1\n\ + cmp r1, r0\n\ + ble _080B4086\n\ + adds r0, r2, 0\n\ + subs r0, 0x3C\n\ +_080B4086:\n\ + strh r0, [r3]\n\ + adds r3, 0x2\n\ + adds r4, 0x2\n\ + subs r5, 0x1\n\ + cmp r5, 0\n\ + bge _080B4072\n\ + ldr r2, [sp]\n\ + mov r1, r12\n\ + subs r6, 0x1\n\ + cmp r6, 0\n\ + bge _080B4060\n\ + movs r1, 0x96\n\ + lsls r1, 4\n\ + add r1, r10\n\ + adds r2, r1, 0\n\ + movs r0, 0xF0\n\ + lsls r0, 3\n\ + adds r1, r0\n\ + ldr r3, _080B40E0 @ =0x040000d4\n\ + ldr r5, _080B40E4 @ =0x800000f0\n\ + movs r4, 0xF0\n\ + lsls r4, 2\n\ + movs r6, 0xD\n\ +_080B40B4:\n\ + str r1, [r3]\n\ + str r2, [r3, 0x4]\n\ + str r5, [r3, 0x8]\n\ + ldr r0, [r3, 0x8]\n\ + adds r2, r4\n\ + adds r1, r4\n\ + subs r6, 0x1\n\ + cmp r6, 0\n\ + bge _080B40B4\n\ + add sp, 0x4\n\ + pop {r3-r5}\n\ + mov r8, r3\n\ + mov r9, r4\n\ + mov r10, r5\n\ + pop {r4-r7}\n\ + pop {r0}\n\ + bx r0\n\ + .align 2, 0\n\ +_080B40D8: .4byte gMenuWindow\n\ +_080B40DC: .4byte 0x000003ff\n\ +_080B40E0: .4byte 0x040000d4\n\ +_080B40E4: .4byte 0x800000f0\n\ + .syntax divided"); +} + +void sub_80B40E8(u8 taskId) // Mart_DoCursorAction +{ + if(!gPaletteFade.active) + { + if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_UP) // only up can be pressed + { + if(gMartInfo.cursor == 0) + { + if(gMartInfo.choicesAbove == 0) // if there are no choices above, dont bother + return; + + PlaySE(SE_SELECT); + gMartInfo.choicesAbove--; // since cursor is at the top and there are choices above the top, scroll the menu up by updating choicesAbove. + sub_80B3F88(); + sub_80B39D0(0, 0, 0); + sub_80B3A70(); + sub_80B32A4(); + } + else // if the cursor is not 0, choicesAbove cannot be updated yet since the cursor is at the top of the menu, so update cursor. + { + PlaySE(SE_SELECT); + gMartInfo.cursor = MoveMenuCursor(-1); // move cursor up + sub_80B3A70(); + } + } + else if((gMain.newAndRepeatedKeys & DPAD_ANY) == DPAD_DOWN) // only down can be pressed + { + if(gMartInfo.cursor == 7) // are you at the bottom of the menu? + { + if(gMartInfo.choicesAbove + gMartInfo.cursor == gMartInfo.itemCount) // are you at cancel? + return; + + PlaySE(SE_SELECT); + gMartInfo.choicesAbove++; + sub_80B403C(); + sub_80B39D0(7, 7, 0); + sub_80B3A70(); + sub_80B32A4(); + } + else if(gMartInfo.cursor != gMartInfo.itemCount) + { + PlaySE(SE_SELECT); + gMartInfo.cursor = MoveMenuCursor(1); + sub_80B3A70(); + } + } + else if(gMain.newKeys & A_BUTTON) + { + PlaySE(SE_SELECT); + + if(gMartInfo.choicesAbove + gMartInfo.cursor != gMartInfo.itemCount) // did you not hit CANCEL? + { + PauseVerticalScrollIndicator(0); + PauseVerticalScrollIndicator(1); + sub_80F979C(1, 1); + sub_80B39D0(gMartInfo.cursor, gMartInfo.cursor, 1); + HandleDestroyMenuCursors(); + MenuZeroFillWindowRect(0, 0xC, 0xD, 0x13); + + if(gMartInfo.martType == MART_TYPE_0) + { + gMartTotalCost = (ItemId_GetPrice(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]) >> GetPriceReduction(1)); // set 1x price + if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost)) + { + DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge + } + else // _080B42BA + { + CopyItemName(gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor], gStringVar1); + StringExpandPlaceholders(gStringVar4, gOtherText_HowManyYouWant); + DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3EFC, 0xC3E1); + } + } + else // _080B428C + { + gMartTotalCost = gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].price; + + if(!IsEnoughMoney(gSaveBlock1.money, gMartTotalCost)) + { + DisplayItemMessageOnField(taskId, gOtherText_NotEnoughMoney, sub_80B3BD0, 0xC3E1); // tail merge + } + else + { + StringCopy(gStringVar1, gDecorations[gMartInfo.itemList[gMartInfo.choicesAbove + gMartInfo.cursor]].name); + ConvertIntToDecimalStringN(gStringVar2, gMartTotalCost, 0, 0x8); + + if(gMartInfo.martType == MART_TYPE_1) + { + StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe2); + } + else + { + StringExpandPlaceholders(gStringVar4, gOtherText_ThatWillBe3); + } + DisplayItemMessageOnField(taskId, gStringVar4, sub_80B3D38, 0xC3E1); + } + } + } + else + sub_80B43F0(taskId); + } + else if(gMain.newKeys & B_BUTTON) // go back to buy/sell/exit menu + { + PlaySE(SE_SELECT); + sub_80B43F0(taskId); + } + } +} |