From 0984461aeb32d7de6abf09ffbec17b9f619eb346 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Mon, 25 Sep 2017 08:53:25 -0400 Subject: [PATCH] Start decomp of easy_chat --- asm/easy_chat.s | 257 ------------------------------------------------ include/rom4.h | 1 + ld_script.txt | 1 + src/easy_chat.c | 141 ++++++++++++++++++++++++++ 4 files changed, 143 insertions(+), 257 deletions(-) create mode 100644 src/easy_chat.c diff --git a/asm/easy_chat.s b/asm/easy_chat.s index 20bf327ac..bfeef4514 100644 --- a/asm/easy_chat.s +++ b/asm/easy_chat.s @@ -5,263 +5,6 @@ .text - thumb_func_start sub_811A20C -sub_811A20C: @ 811A20C - push {r4-r6,lr} - mov r6, r9 - mov r5, r8 - push {r5,r6} - adds r6, r0, 0 - mov r8, r1 - mov r9, r2 - adds r5, r3, 0 - lsls r6, 24 - lsrs r6, 24 - lsls r5, 24 - lsrs r5, 24 - bl ResetTasks - ldr r0, =sub_811A2C0 - movs r1, 0 - bl CreateTask - adds r4, r0, 0 - lsls r4, 24 - lsrs r4, 24 - ldr r1, =gTasks - lsls r0, r4, 2 - adds r0, r4 - lsls r0, 3 - adds r0, r1 - strh r6, [r0, 0xA] - strh r5, [r0, 0x16] - adds r0, r4, 0 - movs r1, 0x2 - mov r2, r8 - bl SetWordTaskArg - adds r0, r4, 0 - movs r1, 0x4 - mov r2, r9 - bl SetWordTaskArg - ldr r0, =sub_811A278 - bl SetMainCallback2 - pop {r3,r4} - mov r8, r3 - mov r9, r4 - pop {r4-r6} - pop {r0} - bx r0 - .pool - thumb_func_end sub_811A20C - - thumb_func_start sub_811A278 -sub_811A278: @ 811A278 - push {lr} - bl RunTasks - bl AnimateSprites - bl BuildOamBuffer - bl UpdatePaletteFade - pop {r0} - bx r0 - thumb_func_end sub_811A278 - - thumb_func_start sub_811A290 -sub_811A290: @ 811A290 - push {lr} - bl TransferPlttBuffer - bl LoadOam - bl ProcessSpriteCopyRequests - pop {r0} - bx r0 - thumb_func_end sub_811A290 - - thumb_func_start sub_811A2A4 -sub_811A2A4: @ 811A2A4 - lsls r0, 24 - lsrs r0, 24 - ldr r3, =gTasks - lsls r2, r0, 2 - adds r2, r0 - lsls r2, 3 - adds r2, r3 - str r1, [r2] - movs r0, 0 - strh r0, [r2, 0x8] - bx lr - .pool - thumb_func_end sub_811A2A4 - - thumb_func_start sub_811A2C0 -sub_811A2C0: @ 811A2C0 - push {r4,lr} - lsls r0, 24 - lsrs r4, r0, 24 - bl is_c1_link_related_active - cmp r0, 0 - bne _0811A2DC -_0811A2CE: - adds r0, r4, 0 - bl sub_811A428 - lsls r0, 24 - cmp r0, 0 - bne _0811A2CE - b _0811A2EA -_0811A2DC: - adds r0, r4, 0 - bl sub_811A428 - lsls r0, 24 - lsrs r0, 24 - cmp r0, 0x1 - beq _0811A2F2 -_0811A2EA: - ldr r1, =sub_811A2FC - adds r0, r4, 0 - bl sub_811A2A4 -_0811A2F2: - pop {r4} - pop {r0} - bx r0 - .pool - thumb_func_end sub_811A2C0 - - thumb_func_start sub_811A2FC -sub_811A2FC: @ 811A2FC - push {r4-r6,lr} - sub sp, 0x4 - lsls r0, 24 - lsrs r2, r0, 24 - lsls r0, r2, 2 - adds r0, r2 - lsls r0, 3 - ldr r1, =gTasks + 0x8 - adds r5, r0, r1 - movs r1, 0 - ldrsh r0, [r5, r1] - cmp r0, 0x5 - bls _0811A318 - b _0811A41C -_0811A318: - lsls r0, 2 - ldr r1, =_0811A32C - adds r0, r1 - ldr r0, [r0] - mov pc, r0 - .pool - .align 2, 0 -_0811A32C: - .4byte _0811A344 - .4byte _0811A370 - .4byte _0811A3CC - .4byte _0811A3D4 - .4byte _0811A3EC - .4byte _0811A40C -_0811A344: - ldr r0, =sub_811A290 - bl SetVBlankCallback - movs r4, 0x1 - negs r4, r4 - adds r0, r4, 0 - movs r1, 0x10 - movs r2, 0 - bl BlendPalettes - movs r0, 0 - str r0, [sp] - adds r0, r4, 0 - adds r1, r4, 0 - movs r2, 0x10 - movs r3, 0 - bl BeginNormalPaletteFade - movs r0, 0x5 - b _0811A41A - .pool -_0811A370: - bl sub_811AAAC - lsls r0, 16 - lsrs r4, r0, 16 - adds r6, r4, 0 - adds r0, r4, 0 - bl sub_811A88C - cmp r0, 0 - beq _0811A39E - movs r0, 0x1 - negs r0, r0 - movs r1, 0x2 - negs r1, r1 - movs r2, 0 - str r2, [sp] - movs r3, 0x10 - bl BeginNormalPaletteFade - movs r0, 0x3 - strh r0, [r5] - strh r4, [r5, 0xC] - b _0811A41C -_0811A39E: - cmp r4, 0x18 - bne _0811A3B6 - movs r1, 0x1 - negs r1, r1 - str r0, [sp] - adds r0, r1, 0 - movs r2, 0 - movs r3, 0x10 - bl BeginNormalPaletteFade - movs r0, 0x4 - b _0811A41A -_0811A3B6: - cmp r6, 0 - beq _0811A41C - movs r0, 0x5 - bl PlaySE - adds r0, r6, 0 - bl sub_811C158 - ldrh r0, [r5] - adds r0, 0x1 - b _0811A41A -_0811A3CC: - bl sub_811C170 - lsls r0, 24 - b _0811A414 -_0811A3D4: - ldr r0, =gPaletteFade - ldrb r1, [r0, 0x7] - movs r0, 0x80 - ands r0, r1 - cmp r0, 0 - bne _0811A41C - ldrh r0, [r5, 0xC] - bl sub_811A8A4 - b _0811A41C - .pool -_0811A3EC: - ldr r0, =gPaletteFade - ldrb r1, [r0, 0x7] - movs r0, 0x80 - ands r0, r1 - cmp r0, 0 - bne _0811A41C - adds r0, r2, 0 - movs r1, 0x4 - bl GetWordTaskArg - bl sub_811A4D0 - b _0811A41C - .pool -_0811A40C: - ldr r0, =gPaletteFade - ldrb r1, [r0, 0x7] - movs r0, 0x80 - ands r0, r1 -_0811A414: - cmp r0, 0 - bne _0811A41C - movs r0, 0x1 -_0811A41A: - strh r0, [r5] -_0811A41C: - add sp, 0x4 - pop {r4-r6} - pop {r0} - bx r0 - .pool - thumb_func_end sub_811A2FC - thumb_func_start sub_811A428 sub_811A428: @ 811A428 push {r4-r6,lr} diff --git a/include/rom4.h b/include/rom4.h index e19d277a6..9f214cfee 100644 --- a/include/rom4.h +++ b/include/rom4.h @@ -29,5 +29,6 @@ const struct MapHeader *get_mapheader_by_bank_and_number(u8, u8); void FieldObjectMoveDestCoords(struct MapObject *, u32, s16 *, s16 *); void sub_8086230(void); void c2_exit_to_overworld_2_switch(void); +bool32 is_c1_link_related_active(void); #endif //GUARD_ROM4_H diff --git a/ld_script.txt b/ld_script.txt index b2e996ff5..d839bb922 100644 --- a/ld_script.txt +++ b/ld_script.txt @@ -166,6 +166,7 @@ SECTIONS { asm/item_use.o(.text); asm/battle_anim_80FE840.o(.text); asm/bike.o(.text); + src/easy_chat.o(.text); asm/easy_chat.o(.text); asm/mon_markings.o(.text); asm/mauville_old_man.o(.text); diff --git a/src/easy_chat.c b/src/easy_chat.c new file mode 100644 index 000000000..edfab86b7 --- /dev/null +++ b/src/easy_chat.c @@ -0,0 +1,141 @@ + +// Includes +#include "global.h" +#include "songs.h" +#include "sound.h" +#include "rom4.h" +#include "task.h" +#include "main.h" +#include "palette.h" +#include "easy_chat.h" + +// Static type declarations + +// Static RAM declarations +static void sub_811A2C0(u8); +static void sub_811A278(void); +/*static*/ bool8 sub_811A428(u8); +static void sub_811A2FC(u8); +/*static*/ u16 sub_811AAAC(void); +/*static*/ bool32 sub_811A88C(u16); +/*static*/ void sub_811C158(u16); +/*static*/ bool8 sub_811C170(void); +/*static*/ void sub_811A8A4(u16); +/*static*/ void sub_811A4D0(u32); + +// Static ROM declarations + +// .rodata + +// .text + +void sub_811A20C(u8 a0, u32 a1, u32 a2, u8 a3) +{ + u8 taskId; + + ResetTasks(); + taskId = CreateTask(sub_811A2C0, 0); + gTasks[taskId].data[1] = a0; + gTasks[taskId].data[7] = a3; + SetWordTaskArg(taskId, 0x02, a1); + SetWordTaskArg(taskId, 0x04, a2); + SetMainCallback2(sub_811A278); +} + +static void sub_811A278(void) +{ + RunTasks(); + AnimateSprites(); + BuildOamBuffer(); + UpdatePaletteFade(); +} + +static void sub_811A290(void) +{ + TransferPlttBuffer(); + LoadOam(); + ProcessSpriteCopyRequests(); +} + +static void sub_811A2A4(u8 taskId, TaskFunc taskFunc) +{ + gTasks[taskId].func = taskFunc; + gTasks[taskId].data[0] = 0; +} + +static void sub_811A2C0(u8 taskId) +{ + if (!is_c1_link_related_active()) + { + while (sub_811A428(taskId)); + } + else + { + if (sub_811A428(taskId) == TRUE) + { + return; + } + } + sub_811A2A4(taskId, sub_811A2FC); +} + +static void sub_811A2FC(u8 taskId) +{ + u16 v0; + s16 *data; + + data = gTasks[taskId].data; + switch (data[0]) + { + case 0: + SetVBlankCallback(sub_811A290); + BlendPalettes(-1, 16, 0); + BeginNormalPaletteFade(-1, -1, 16, 0, 0); + data[0] = 5; + break; + case 1: + v0 = sub_811AAAC(); + if (sub_811A88C(v0)) + { + BeginNormalPaletteFade(-1, -2, 0, 16, 0); + data[0] = 3; + data[6] = v0; + } + else if (v0 == 0x18) + { + BeginNormalPaletteFade(-1, -1, 0, 16, 0); + data[0] = 4; + } + else if (v0 != 0) + { + PlaySE(SE_SELECT); + sub_811C158(v0); + data[0] ++; + } + break; + case 2: + if (!sub_811C170()) + { + data[0] = 1; + } + break; + case 3: + if (!gPaletteFade.active) + { + sub_811A8A4(data[6]); + } + break; + case 4: + if (!gPaletteFade.active) + { + sub_811A4D0(GetWordTaskArg(taskId, 0x04)); + } + break; + case 5: + if (!gPaletteFade.active) + { + data[0] = 1; + } + break; + } +}