#include "continuegame.h"

#include "helpsystem.h"

#include "overworld.h"

#include "save.h"

#include "task.h"

#include "u0807d_overworld.h"

#ifndef NO_RAM

// 0203ADF8

u8 flashback_cursor;

// 0203ADF9

u8 prev_quest_display_number;

// 0203ADFA

u8 prev_quest_mode; // 0: normal

// 1: unknown

// 2: flashback

// 3: fade flashback to normal

// 0203ADFC

u16 word_203ADFC;

// 0203ADFE

u8 byte_203ADFE;

// 0203ADFF

u8 byte_203ADFF;

// 0203AE00

u8 pq_rbox;

// 0203AE04

u8 *prev_quest_postbuffer_cursor_backup; // points into sav1-area

// 0203AE08

u8 *prev_quest_postbuffer_cursor; // points into sav1-area

// 0203AE0C

u8 prev_quest_postbuffer[0x80];

// 0203AE8C

void (*funcptr_203AE8C)();

// 0203AE90

u16 *ptr_to_palette_backup;

// 0203AE94

u8 byte_203AE94;

// 0203AE95

u8 byte_203AE95;

// 0203AE96

u8 byte_203AE96;

// 0203AE97

u8 byte_203AE97;

// 0203AE98

u8 byte_203AE98[0x100];

// 0203AF98

u16 pq_npc_cursor;

// 0203AF90

u8 byte_203AF90[0x80];

// 0203B01A

u16 pq_npc__script_env_2_is_enabled;

// 0203B01C

u16 word_203B01C;

// 0203B01E

u16 word_203B01E;

// 0203B020

u8 word_203B020;

// 0203B024

u16 prev_quest_prebuffer_length[0x10];

// ...

// 03005E88

u8 pq_npc_recording;

// 03005E8C

u16 pq_npc_end;

// 03005E94

struct pq_npc_entry *pq_npc_buffer;

// 03005E90

u32 dword_3005E90;

#endif

// 08056938 (move to overworld.c/overworld_loading.c probably)

void c2_8056938() {

sub_80569BC();

sub_8071A94();

flag_clear_safari_zone();

cur_mapheader_from_sav1();

load_sav1_rom_npc_scripts();

sub_8068A5C();

// TODO

}

// 081109CC

void prev_quest_mode_set(u8 mode) {

prev_quest_mode = mode;

j5 = (mode == 1)

? &j5_prev_quest_mode_1

: &j5_08110A3C;

}

// 08110A00

// void j5_prev_quest_mode_1() {

// if (sub_8110E68(&unk_203AE98) != 1) {

// pq_npc_recording = 0;

// sub_8110E3C(&pq_npc_recording);

// prev_quest_mode = 0;

// j5 = 0;

// }

// }

// 08110A3C

void j5_08110A3C() {

if ((byte_203AE94 & 0xF) == 2)

byte_203AE94 &= 0xF0u;

if (!(byte_203AE94 & 0xC0)) {

if (pq_npc_recording

|| (byte_203AE94 & 0xF) == 1

|| byte_203AE95 <= 0x1Fu && prev_quest_postbuffer[byte_203AE95]) {

prev_quest_get_story();

} else {

byte_203AE94 = byte_203AE94 & 0x3F | 0x80;

script_env_2_enable();

sub_81118F4(0);

}

}

}

// 08110AC8

bool questlog_active_at_cursor() {

return sav1i->questlog[flashback_cursor].active;

}

// 08110F14

void game_continue(task_id c) {

quest_logger_filter_disable();

prev_quest_display_number = 0;

for (uint i=0; i<4; i++)

if (sav1i->questlog[i].active)

prev_quest_display_number++;

if (prev_quest_display_number > 0) {

help_system_enabled = 0;

flashback();

} else

set_callback2(&c2_8056938);

task_del(c);

}

// 08110F90

void flashback() {

// Route 1

sav1i->location.group = 3;

sav1i->location.map = 19;

sav1i->location.warpid = 0xFF;

flashback_cursor = 0;

warp_sound_disable = 1;

set_20386DC(1);

flashback_2();

}

// 08111000

bool hmp1_8111000() {

pal_bg_patch(stdpal_get(4), 0xF0, 0x20);

prev_quest_mode_set(2);

mapldr_default();

byte_203AE94 = 2;

byte_203AE95 = 0;

byte_203AE96 = 0;

byte_203AE97 = 0;

return true;

}

// 08111038

bool hmp1_8111038() {

pal_bg_patch(stdpal_get(4), 0xF0, 0x20);

prev_quest_mode_set(2);

mapldr_for_new_game();

byte_203AE94 = 2;

byte_203AE95 = 0;

byte_203AE96 = 0;

byte_203AE97 = 0;

return true;

}

// 08111368

void flashback_2() {

prev_quest_mode = 1;

init_vars();

bag_809A2DC();

sub_809A2A4();

if (questlog_active_at_cursor()) {

sub_8111274(flashback_cursor, 0);

hm_phase_1 = &hmp1_8111038;

set_callback2(&c2_080572A8);

} else {

sub_8111274(flashback_cursor, 1);

warp_in_metadata();

hm_phase_1 = &hmp1_8111000;

set_callback2(&c2_0805726C);

}

}

// 08111CF0

void render_prev_quest_text_if_appropriate() {

if (prev_quest_mode == 2)

render_previous_quest_text(prev_quest_display_number);

}

// 0811246C

//void objc_npc_alternative(struct obj *obj) {

// // TODO

//}

// 0203AF98

extern u16 pq_npc_cursor;

// 08114710

u8 *prev_quest_write_x10_union_room(u8 *cursor) {

cursor[0] = 0x10;

cursor[2] = pq_npc_cursor & 0xFF;

cursor[3] = pq_npc_cursor >> 8;

return cursor+4;

}

// 08114724

u8 *prev_quest_read_x10_union_room(u8 *cursor) {

fdecoder(displayed_string, "Mingled with other TRAINERS in the UNION ROOM.");

return cursor + 4;

}

// 08114744

u8 *prev_quest_write_x11_chat_with_trainers(u8 *cursor) {

cursor[0] = 0x11;

cursor[2] = pq_npc_cursor & 0xFF;

cursor[3] = pq_npc_cursor >> 8;

return cursor+4;

}

// 08114758

u8 *prev_quest_read_x11_chat_with_trainers(u8 *cursor) {

fdecoder(displayed_string, "Chatted with many TRAINERS.");

return cursor + 4;

}