#ifndef GUARD_GLOBAL_H
#define GUARD_GLOBAL_H

#include "config.h"
#include "gba/gba.h"

// Prevent cross-jump optimization.
#define BLOCK_CROSS_JUMP asm("");

// to help in decompiling
#define asm_comment(x) asm volatile("@ -- " x " -- ")
#define asm_unified(x) asm(".syntax unified\n" x "\n.syntax divided")

#if defined (__APPLE__) || defined (__CYGWIN__)
void *memset(void *, int, size_t);
void *memcpy(void *, const void *, size_t);
int strcmp(const char *s1, const char *s2);
char* strcpy(char *dst0, const char *src0);
#endif // __APPLE__

#define ARRAY_COUNT(array) (sizeof(array) / sizeof((array)[0]))

// useful math macros

// Converts a number to Q8.8 fixed-point format
#define Q_8_8(n) ((s16)((n) * 256))

// Converts a number to Q4.12 fixed-point format
#define Q_4_12(n)  ((s16)((n) * 4096))

#define POKEMON_SLOTS_NUMBER 412
#define POKEMON_NAME_LENGTH 10
#define OT_NAME_LENGTH 7

#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) >= (b) ? (a) : (b))

// There are many quirks in the source code which have overarching behavioral differences from
// a number of other files. For example, diploma.c seems to declare rodata before each use while
// other files declare out of order and must be at the beginning. There are also a number of
// macros which differ from one file to the next due to the method of obtaining the result, such
// as these below. Because of this, there is a theory (Two Team Theory) that states that these
// programming projects had more than 1 "programming team" which utilized different macros for
// each of the files that were worked on.
#define T1_READ_8(ptr)  ((ptr)[0])
#define T1_READ_16(ptr) ((ptr)[0] | ((ptr)[1] << 8))
#define T1_READ_32(ptr) ((ptr)[0] | ((ptr)[1] << 8) | ((ptr)[2] << 16) | ((ptr)[3] << 24))
#define T1_READ_PTR(ptr) (u8*) T1_READ_32(ptr)

// T2_READ_8 is a duplicate to remain consistent with each group.
#define T2_READ_8(ptr)  ((ptr)[0])
#define T2_READ_16(ptr) ((ptr)[0] + ((ptr)[1] << 8))
#define T2_READ_32(ptr) ((ptr)[0] + ((ptr)[1] << 8) + ((ptr)[2] << 16) + ((ptr)[3] << 24))
#define T2_READ_PTR(ptr) (void*) T2_READ_32(ptr)

extern u8 gStringVar1[];
extern u8 gStringVar2[];
extern u8 gStringVar3[];
extern u8 gStringVar4[];

enum
{
    VERSION_SAPPHIRE = 1,
    VERSION_RUBY = 2,
    VERSION_EMERALD = 3,
    VERSION_FIRE_RED = 4,
    VERSION_LEAF_GREEN = 5,
};

enum LanguageId {
    LANGUAGE_JAPANESE = 1,
    LANGUAGE_ENGLISH = 2,
    LANGUAGE_FRENCH = 3,
    LANGUAGE_ITALIAN = 4,
    LANGUAGE_GERMAN = 5,
    // 6 goes unused but the theory is it was meant to be Korean
    LANGUAGE_SPANISH = 7,
};

#define GAME_LANGUAGE (LANGUAGE_ENGLISH)

#define BAG_ITEMS_COUNT     42
#define BAG_KEYITEMS_COUNT  30
#define BAG_POKEBALLS_COUNT 13
#define BAG_TMHM_COUNT      58
#define BAG_BERRIES_COUNT   43

enum
{
    MALE,
    FEMALE
};

enum
{
    OPTIONS_BUTTON_MODE_NORMAL,
    OPTIONS_BUTTON_MODE_LR,
    OPTIONS_BUTTON_MODE_L_EQUALS_A
};

enum
{
    OPTIONS_TEXT_SPEED_SLOW,
    OPTIONS_TEXT_SPEED_MID,
    OPTIONS_TEXT_SPEED_FAST
};

enum
{
    OPTIONS_SOUND_MONO,
    OPTIONS_SOUND_STEREO
};

enum
{
    OPTIONS_BATTLE_STYLE_SHIFT,
    OPTIONS_BATTLE_STYLE_SET
};

enum
{
    BAG_ITEMS = 1,
    BAG_POKEBALLS,
    BAG_TMsHMs,
    BAG_BERRIES,
    BAG_KEYITEMS
};

struct Coords16
{
    s16 x;
    s16 y;
};

struct UCoords16
{
    u16 x;
    u16 y;
};

struct Time
{
    /*0x00*/ s16 days;
    /*0x02*/ s8 hours;
    /*0x03*/ s8 minutes;
    /*0x04*/ s8 seconds;
};

struct Pokedex
{
    /*0x00*/ u8 order;
    /*0x01*/ u8 unknown1;
    /*0x02*/ u8 nationalMagic; // must equal 0xDA in order to have National mode
    /*0x03*/ u8 unknown2;
    /*0x04*/ u32 unownPersonality; // set when you first see Unown
    /*0x08*/ u32 spindaPersonality; // set when you first see Spinda
    /*0x0C*/ u32 unknown3;
    /*0x10*/ u8 owned[52];
    /*0x44*/ u8 seen[52];
};

struct PokemonJumpResults // possibly used in the game itself?
{
    u16 jumpsInRow;
    u16 field2;
    u16 excellentsInRow;
    u16 field6;
    u16 field8;
    u16 fieldA;
    u32 bestJumpScore;
};

struct BerryPickingResults // possibly used in the game itself? Size may be wrong as well
{
    u32 bestScore;
    u16 berriesPicked;
    u16 berriesPickedInRow;
    u8 field_8;
    u8 field_9;
    u8 field_A;
    u8 field_B;
    u8 field_C;
    u8 field_D;
    u8 field_E;
    u8 field_F;
};

struct PyramidBag
{
    u16 items_Lvl50[10];
    u16 items_OpenLvl[10];
    u8 quantity[10];
};

struct BerryCrush
{
    u16 berryCrushResults[4];
    u32 berryPowderAmount;
    u32 unk;
};

#define PLAYER_NAME_LENGTH  8

struct UnknownSaveBlock2Struct
{
    u8 field_0;
    u8 field_1;
    u8 field_2[2];
    u8 field_4[8];
    u8 field_C[16];
    u16 field_1C[6];
    u16 field_28[6];
    u8 field_34[176];
    u8 field_E4;
    u8 field_E5;
    u8 field_E6;
    u8 field_E7;
    u8 field_E8;
    u8 field_E9;
    u8 field_EA;
    u8 field_EB;
}; // sizeof = 0xEC

struct SaveBlock2
{
    /*0x000*/ u8 playerName[PLAYER_NAME_LENGTH];
    /*0x008*/ u8 playerGender; // MALE, FEMALE
    /*0x009*/ u8 specialSaveWarp;
    /*0x00A*/ u8 playerTrainerId[4];
    /*0x00E*/ u16 playTimeHours;
    /*0x010*/ u8 playTimeMinutes;
    /*0x011*/ u8 playTimeSeconds;
    /*0x012*/ u8 playTimeVBlanks;
    /*0x013*/ u8 optionsButtonMode;  // OPTIONS_BUTTON_MODE_[NORMAL/LR/L_EQUALS_A]
    /*0x014*/ u16 optionsTextSpeed:3; // OPTIONS_TEXT_SPEED_[SLOW/MID/FAST]
              u16 optionsWindowFrameType:5; // Specifies one of the 20 decorative borders for text boxes
              u16 optionsSound:1; // OPTIONS_SOUND_[MONO/STEREO]
              u16 optionsBattleStyle:1; // OPTIONS_BATTLE_STYLE_[SHIFT/SET]
              u16 optionsBattleSceneOff:1; // whether battle animations are disabled
              u16 regionMapZoom:1; // whether the map is zoomed in
    /*0x018*/ struct Pokedex pokedex;
    /*0x090*/ u8 filler_90[0x8];
    /*0x098*/ struct Time localTimeOffset;
    /*0x0A0*/ struct Time lastBerryTreeUpdate;
    /*0x0A8*/ u32 field_A8;
    /*0x0AC*/ u8 filler_AC[0x9ec];
    /*0xA98*/ u8 unk_A98[2][16];
    /*0xAB8*/ u8 filler_AB8[0x468];
    /*0xF20*/ u32 encryptionKey;
};

extern struct SaveBlock2 *gSaveBlock2Ptr;

#define PARTY_SIZE 6

struct SecretBaseParty
{
    u32 personality[PARTY_SIZE];
    u16 moves[PARTY_SIZE * 4];
    u16 species[PARTY_SIZE];
    u16 heldItems[PARTY_SIZE];
    u8 levels[PARTY_SIZE];
    u8 EVs[PARTY_SIZE];
};

struct SecretBaseRecord
{
    /*0x1A9C*/ u8 secretBaseId;
    /*0x1A9D*/ u8 sbr_field_1_0:4;
    /*0x1A9D*/ u8 gender:1;
    /*0x1A9D*/ u8 sbr_field_1_5:1;
    /*0x1A9D*/ u8 sbr_field_1_6:2;
    /*0x1A9E*/ u8 trainerName[7]; // TODO: Change PLAYER_NAME_LENGTH to 7
    /*0x1AA5*/ u8 trainerId[4]; // byte 0 is used for determining trainer class
    /*0x1AA9*/ u8 language;
    /*0x1AAA*/ u16 sbr_field_e;
    /*0x1AAC*/ u8 sbr_field_10;
    /*0x1AAD*/ u8 sbr_field_11;
    /*0x1AAE*/ u8 decorations[16];
    /*0x1ABE*/ u8 decorationPos[16];
    /*0x1AD0*/ struct SecretBaseParty party;
};

#include "constants/game_stat.h"
#include "global.fieldmap.h"
#include "global.berry.h"
#include "pokemon.h"

struct WarpData
{
    s8 mapGroup;
    s8 mapNum;
    s8 warpId;
    s16 x, y;
};

struct ItemSlot
{
    u16 itemId;
    u16 quantity;
};

struct Pokeblock
{
    u8 color;
    u8 spicy;
    u8 dry;
    u8 sweet;
    u8 bitter;
    u8 sour;
    u8 feel;
};

struct Roamer
{
    /*0x00*/ u32 ivs;
    /*0x04*/ u32 personality;
    /*0x08*/ u16 species;
    /*0x0A*/ u16 hp;
    /*0x0C*/ u8 level;
    /*0x0D*/ u8 status;
    /*0x0E*/ u8 cool;
    /*0x0F*/ u8 beauty;
    /*0x10*/ u8 cute;
    /*0x11*/ u8 smart;
    /*0x12*/ u8 tough;
    /*0x13*/ bool8 active;
    /*0x14*/ u8 filler[0x8];
};

struct RamScriptData
{
    u8 magic;
    u8 mapGroup;
    u8 mapNum;
    u8 objectId;
    u8 script[995];
};

struct RamScript
{
    u32 checksum;
    struct RamScriptData data;
};

struct EasyChatPair
{
    u16 unk0_0:7;
    u16 unk0_7:7;
    u16 unk1_6:1;
    u16 unk2;
    u16 words[2];
}; /*size = 0x8*/

struct MailStruct
{
    /*0x00*/ u16 words[9];
    /*0x12*/ u8 playerName[8];
    /*0x1A*/ u8 trainerId[4];
    /*0x1E*/ u16 species;
    /*0x20*/ u16 itemId;
};

struct UnkMauvilleOldManStruct
{
               u8 unk_2D94;
               u8 unk_2D95;
    /*0x2D96*/ u16 mauvilleOldMan_ecArray[6];
    /*0x2DA2*/ u16 mauvilleOldMan_ecArray2[6];
    /*0x2DAE*/ u8 playerName[8];
    /*0x2DB6*/ u8 filler_2DB6[0x3];
    /*0x2DB9*/ u8 playerTrainerId[4];
               u8 unk_2DBD;
}; /*size = 0x2C*/

struct UnkMauvilleOldManStruct2
{
    u8 filler0;
    u8 unk1;
    u8 unk2;
    u16 mauvilleOldMan_ecArray[10];
    u8 mauvilleOldMan_ecArray2[12];
    u8 fillerF[0x2];
}; /*size = 0x2C*/

struct MauvilleOldManTrader
{
    u8 unk0;
    u8 unk1[4];
    u8 unk5[4][11];
    u8 unk31;
};

typedef union OldMan
{
    struct UnkMauvilleOldManStruct oldMan1;
    struct UnkMauvilleOldManStruct2 oldMan2;
    struct MauvilleOldManTrader trader;
    u8 filler[0x40];
} OldMan;

struct RecordMixing_UnknownStructSub
{
    u32 unk0;
    u8 data[0x34];
    //u8 data[0x38];
};

struct RecordMixing_UnknownStruct
{
    struct RecordMixing_UnknownStructSub data[2];
    u32 unk70;
    u16 unk74[0x2];
};

struct LinkBattleRecord
{
    u8 name[8];
    u16 trainerId;
    u16 wins;
    u16 losses;
    u16 draws;
};

struct RecordMixingGiftData
{
    u8 unk0;
    u8 quantity;
    u16 itemId;
    u8 filler4[8];
};

struct RecordMixingGift
{
    int checksum;
    struct RecordMixingGiftData data;
};

struct ContestWinner
{
    u32 personality;
    u32 trainerId;
    u16 species;
    u8 contestCategory;
    u8 monName[11];
    u8 trainerName[8];
    u8 contestRank;
};

struct DaycareMiscMon
{
    struct MailStruct mail;
    u8 OT_name[OT_NAME_LENGTH + 1];
    u8 monName[POKEMON_NAME_LENGTH + 1];
    u8 gameLanguage:4;
    u8 monLanguage:4;
};

struct DaycareMon
{
    struct BoxPokemon mon;
    struct DaycareMiscMon misc;
    u32 steps;
};

#define DAYCARE_MON_COUNT   2

struct DayCare
{
    struct DaycareMon mons[DAYCARE_MON_COUNT];
    u32 offspringPersonality;
    u8 stepCounter;
};

struct DayCareMail
{
    /*0x00*/ struct MailStruct message;
    /*0x24*/ u8 names[19];
};

struct RecordMixingDayCareMail
{
    struct DayCareMail mail[DAYCARE_MON_COUNT];
    u32 numDaycareMons;
    bool16 holdsItem[DAYCARE_MON_COUNT];
};

struct MysteryEventStruct
{
    u8 unk_0_0:2;
    u8 unk_0_2:3;
    u8 unk_0_5:3;
    u8 unk_1;
};

struct QuestLogNPCData
{
    u32 x:8;
    u32 negx:1;
    u32 y:8;
    u32 negy:1;
    u32 elevation:6;
    u32 movementType:8;
};

struct QuestLog
{
    /*0x0000*/ u8 unk_000;
    /*0x0001*/ s8 unk_001;
    /*0x0002*/ s8 unk_002;
    /*0x0003*/ s8 unk_003;
    /*0x0004*/ s16 unk_004;
    /*0x0006*/ s16 unk_006;
    /*0x0008*/ u8 filler_008[0x140];
    /*0x0148*/ u8 unk_148[0x120];
    /*0x02c8*/ u8 unk_268[0x200];
    /*0x0468*/ struct QuestLogNPCData npcData[64];
    /*0x0568*/ u16 unk_568[0x80];
    /*0x0668*/ u16 end[0];
};

#define MAP_OBJECTS_COUNT  16
#define BERRY_TREES_COUNT  128
#define FLAGS_COUNT        288 // 300
#define VARS_COUNT         256
#define MAIL_COUNT         16

struct SaveBlock1
{
    /*0x0000*/ struct Coords16 pos;
    /*0x0004*/ struct WarpData location;
    /*0x0C*/ struct WarpData warp1;
    /*0x14*/ struct WarpData warp2;
    /*0x1C*/ struct WarpData lastHealLocation;
    /*0x24*/ struct WarpData warp4;
    /*0x2C*/ u16 savedMusic;
    /*0x2E*/ u8 weather;
    /*0x2F*/ u8 filler_2F;
    /*0x30*/ u8 flashLevel;
    /*0x32*/ u16 mapDataId;
    /*0x234*/ u8 playerPartyCount;
    /*0x238*/ struct Pokemon playerParty[PARTY_SIZE];
    /*0x490*/ u32 money;
    /*0x494*/ u16 coins;
    /*0x496*/ u16 registeredItem; // registered for use with SELECT button
	/*0x0298*/ u8 filler298[0x78];
	/*0x0310*/ struct ItemSlot bagPocket_Items[BAG_ITEMS_COUNT];
	/*0x????*/ struct ItemSlot bagPocket_KeyItems[BAG_KEYITEMS_COUNT];
	/*0x????*/ struct ItemSlot bagPocket_PokeBalls[BAG_POKEBALLS_COUNT];
	/*0x????*/ struct ItemSlot bagPocket_TMHM[BAG_TMHM_COUNT];
	/*0x????*/ struct ItemSlot bagPocket_Berries[BAG_BERRIES_COUNT];
	/*0x05F8*/ u8 filler5F8[0x40];
    /*0x638*/ u8 trainerRematchStepCounter;
              u8 filler_639;
    /*0x63A*/ u8 trainerRematches[100];
    /*0x06A0*/  struct MapObject mapObjects[MAP_OBJECTS_COUNT];
    /*0x08E0*/  struct MapObjectTemplate mapObjectTemplates[64];
    /*0x0EE0*/ u8 flags[FLAGS_COUNT];
    /*0x1000*/ u16 vars[VARS_COUNT];
    /*0x1200*/ u8 filler1200[0x100];
    /*0x1300*/ struct QuestLog questLog[4];
    /*0x2CA0*/ u8 filler2CA0[0x30];
	/*0x2CD0*/ struct MailStruct mail[MAIL_COUNT];
	/*0x2F10*/ u8 filler2F10[0x1DA];
	/*0x30EC*/ struct EnigmaBerry enigmaBerry;
	/*0x3120*/ u8 filler3120[0x340];
    /*0x3460*/ struct MysteryEventStruct unk_3460;
    /*0x3464*/ u8 filler_3464[0x1b8];
    /*0x361C*/ struct RamScript ramScript;
    /*0x3A08*/ u8 filler3A08[0x44];
    /*0x3A4C*/ u8 rivalName[PLAYER_NAME_LENGTH];
    /*0x3A54*/ u8 filler3A54[0x2E4];
               u32 unkArray[4][3];
};

extern struct SaveBlock1* gSaveBlock1Ptr;

struct Bitmap           // TODO: Find a better spot for this
{
    u8* pixels;
    u32 width:16;
    u32 height:16;
};

extern u8 gReservedSpritePaletteCount;

#endif // GUARD_GLOBAL_H
