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#include "global.h"
#include "event_data.h"
#include "pokedex.h"
#define TEMP_FLAGS_SIZE 0x4
#define DAILY_FLAGS_SIZE 0x8
#define TEMP_VARS_SIZE 0x20
EWRAM_DATA u16 gSpecialVar_0x8000 = 0;
EWRAM_DATA u16 gSpecialVar_0x8001 = 0;
EWRAM_DATA u16 gSpecialVar_0x8002 = 0;
EWRAM_DATA u16 gSpecialVar_0x8003 = 0;
EWRAM_DATA u16 gSpecialVar_0x8004 = 0;
EWRAM_DATA u16 gSpecialVar_0x8005 = 0;
EWRAM_DATA u16 gSpecialVar_0x8006 = 0;
EWRAM_DATA u16 gSpecialVar_0x8007 = 0;
EWRAM_DATA u16 gSpecialVar_0x8008 = 0;
EWRAM_DATA u16 gSpecialVar_0x8009 = 0;
EWRAM_DATA u16 gSpecialVar_0x800A = 0;
EWRAM_DATA u16 gSpecialVar_0x800B = 0;
EWRAM_DATA u16 gSpecialVar_Result = 0;
EWRAM_DATA u16 gSpecialVar_LastTalked = 0;
EWRAM_DATA u16 gSpecialVar_Facing = 0;
EWRAM_DATA u8 gUnknown_0202E8E2[16] = {0};
extern u16 *gSpecialVars[];
void InitEventData(void)
{
memset(gSaveBlock1.flags, 0, sizeof(gSaveBlock1.flags));
memset(gSaveBlock1.vars, 0, sizeof(gSaveBlock1.vars));
memset(gUnknown_0202E8E2, 0, sizeof(gUnknown_0202E8E2));
}
void ClearTempFieldEventData(void)
{
memset(gSaveBlock1.flags, 0, TEMP_FLAGS_SIZE);
memset(gSaveBlock1.vars, 0, TEMP_VARS_SIZE);
FlagClear(FLAG_SYS_ENC_UP_ITEM);
FlagClear(FLAG_SYS_ENC_DOWN_ITEM);
FlagClear(FLAG_SYS_USE_STRENGTH);
FlagClear(FLAG_SYS_CTRL_OBJ_DELETE);
}
// probably had different flag splits at one point.
void ClearDailyFlags(void)
{
memset(gSaveBlock1.flags + (DAILY_FLAGS_START / 8), 0, DAILY_FLAGS_SIZE);
}
void DisableNationalPokedex(void)
{
u16 *nationalDexVar = GetVarPointer(VAR_NATIONAL_DEX);
gSaveBlock2.pokedex.nationalMagic = 0;
*nationalDexVar = 0;
FlagClear(FLAG_SYS_NATIONAL_DEX);
}
void EnableNationalPokedex(void)
{
u16 *nationalDexVar = GetVarPointer(VAR_NATIONAL_DEX);
gSaveBlock2.pokedex.nationalMagic = 0xDA;
*nationalDexVar = 0x302;
FlagSet(FLAG_SYS_NATIONAL_DEX);
gSaveBlock2.pokedex.mode = 1;
gSaveBlock2.pokedex.order = 0;
ResetPokedexScrollPositions();
}
bool32 IsNationalPokedexEnabled(void)
{
if (gSaveBlock2.pokedex.nationalMagic == 0xDA && VarGet(VAR_NATIONAL_DEX) == 0x302 && FlagGet(FLAG_SYS_NATIONAL_DEX))
return TRUE;
else
return FALSE;
}
void DisableMysteryEvent(void)
{
FlagClear(FLAG_SYS_EXDATA_ENABLE);
}
void EnableMysteryEvent(void)
{
FlagSet(FLAG_SYS_EXDATA_ENABLE);
}
bool32 IsMysteryEventEnabled(void)
{
return FlagGet(FLAG_SYS_EXDATA_ENABLE);
}
void DisableResetRTC(void)
{
VarSet(VAR_RESET_RTC_ENABLE, 0);
FlagClear(FLAG_SYS_RESET_RTC_ENABLE);
}
void EnableResetRTC(void)
{
VarSet(VAR_RESET_RTC_ENABLE, 0x920);
FlagSet(FLAG_SYS_RESET_RTC_ENABLE);
}
bool32 CanResetRTC(void)
{
if (FlagGet(FLAG_SYS_RESET_RTC_ENABLE) && VarGet(VAR_RESET_RTC_ENABLE) == 0x920)
return TRUE;
else
return FALSE;
}
u16 *GetVarPointer(u16 id)
{
if (id < VARS_START)
return NULL;
if (id < SPECIAL_VARS_START)
return &gSaveBlock1.vars[id - VARS_START];
return gSpecialVars[id - SPECIAL_VARS_START];
}
u16 VarGet(u16 id)
{
u16 *ptr = GetVarPointer(id);
if (!ptr)
return id;
return *ptr;
}
bool8 VarSet(u16 id, u16 value)
{
u16 *ptr = GetVarPointer(id);
if (!ptr)
return FALSE;
*ptr = value;
return TRUE;
}
u8 VarGetObjectEventGraphicsId(u8 id)
{
return VarGet(VAR_OBJ_GFX_ID_0 + id);
}
u8 *GetFlagPointer(u16 id)
{
if (id == 0)
return 0;
if (id < 0x4000)
return &gSaveBlock1.flags[id / 8];
return &gUnknown_0202E8E2[(id - 0x4000) / 8];
}
u8 FlagSet(u16 id)
{
u8 *ptr = GetFlagPointer(id);
if (ptr)
*ptr |= 1 << (id & 7);
return 0;
}
u8 FlagClear(u16 id)
{
u8 *ptr = GetFlagPointer(id);
if (ptr)
*ptr &= ~(1 << (id & 7));
return 0;
}
bool8 FlagGet(u16 id)
{
u8 *ptr = GetFlagPointer(id);
if (!ptr)
return FALSE;
if (!(((*ptr) >> (id & 7)) & 1))
return FALSE;
return TRUE;
}
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