diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/roamer.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/roamer.c b/src/roamer.c new file mode 100644 index 000000000..cbe1b6312 --- /dev/null +++ b/src/roamer.c @@ -0,0 +1,218 @@ +#include "global.h" +#include "roamer.h" +#include "pokemon.h" +#include "rng.h" +#include "species.h" +#include "event_data.h" + +enum +{ + MAP_GRP = 0, // map group + MAP_NUM = 1, // map number +}; + +EWRAM_DATA static u8 sLocationHistory[3][2] = {0}; +EWRAM_DATA static u8 sRoamerLocation[2] = {0}; + +static const u8 sRoamerLocations[][6] = +{ + { 0x19, 0x1A, 0x20, 0x21, 0x31, 0xFF }, + { 0x1A, 0x19, 0x20, 0x21, 0xFF, 0xFF }, + { 0x20, 0x1A, 0x19, 0x21, 0xFF, 0xFF }, + { 0x21, 0x20, 0x19, 0x1A, 0x22, 0x26 }, + { 0x22, 0x21, 0x23, 0xFF, 0xFF, 0xFF }, + { 0x23, 0x22, 0x24, 0xFF, 0xFF, 0xFF }, + { 0x24, 0x23, 0x25, 0x26, 0xFF, 0xFF }, + { 0x25, 0x24, 0x26, 0xFF, 0xFF, 0xFF }, + { 0x26, 0x25, 0x21, 0xFF, 0xFF, 0xFF }, + { 0x27, 0x24, 0x28, 0x29, 0xFF, 0xFF }, + { 0x28, 0x27, 0x2A, 0xFF, 0xFF, 0xFF }, + { 0x29, 0x27, 0x2A, 0xFF, 0xFF, 0xFF }, + { 0x2A, 0x28, 0x29, 0x2B, 0xFF, 0xFF }, + { 0x2B, 0x2A, 0x2C, 0xFF, 0xFF, 0xFF }, + { 0x2C, 0x2B, 0x2D, 0xFF, 0xFF, 0xFF }, + { 0x2D, 0x2C, 0x2E, 0xFF, 0xFF, 0xFF }, + { 0x2E, 0x2D, 0x2F, 0xFF, 0xFF, 0xFF }, + { 0x2F, 0x2E, 0x30, 0xFF, 0xFF, 0xFF }, + { 0x30, 0x2F, 0x31, 0xFF, 0xFF, 0xFF }, + { 0x31, 0x30, 0x19, 0xFF, 0xFF, 0xFF }, + { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, +}; + +void ClearRoamerData(void) +{ + memset(&gSaveBlock1Ptr->roamer, 0, sizeof(struct Roamer)); + (&gSaveBlock1Ptr->roamer)->species = SPECIES_LATIAS; +} + +void ClearRoamerLocationData(void) +{ + u8 i; + + for (i = 0; i < 3; i++) + { + sLocationHistory[i][MAP_GRP] = 0; + sLocationHistory[i][MAP_NUM] = 0; + } + + sRoamerLocation[MAP_GRP] = 0; + sRoamerLocation[MAP_NUM] = 0; +} + +static void CreateInitialRoamerMon(bool16 createLatios) +{ + if (!createLatios) + (&gSaveBlock1Ptr->roamer)->species = SPECIES_LATIAS; + else + (&gSaveBlock1Ptr->roamer)->species = SPECIES_LATIOS; + + CreateMon(&gEnemyParty[0], (&gSaveBlock1Ptr->roamer)->species, 40, 0x20, 0, 0, 0, 0); + (&gSaveBlock1Ptr->roamer)->level = 40; + (&gSaveBlock1Ptr->roamer)->status = 0; + (&gSaveBlock1Ptr->roamer)->active = TRUE; + (&gSaveBlock1Ptr->roamer)->ivs = GetMonData(&gEnemyParty[0], MON_DATA_IVS); + (&gSaveBlock1Ptr->roamer)->personality = GetMonData(&gEnemyParty[0], MON_DATA_PERSONALITY); + (&gSaveBlock1Ptr->roamer)->hp = GetMonData(&gEnemyParty[0], MON_DATA_MAX_HP); + (&gSaveBlock1Ptr->roamer)->cool = GetMonData(&gEnemyParty[0], MON_DATA_COOL); + (&gSaveBlock1Ptr->roamer)->beauty = GetMonData(&gEnemyParty[0], MON_DATA_BEAUTY); + (&gSaveBlock1Ptr->roamer)->cute = GetMonData(&gEnemyParty[0], MON_DATA_CUTE); + (&gSaveBlock1Ptr->roamer)->smart = GetMonData(&gEnemyParty[0], MON_DATA_SMART); + (&gSaveBlock1Ptr->roamer)->tough = GetMonData(&gEnemyParty[0], MON_DATA_TOUGH); + sRoamerLocation[MAP_GRP] = 0; + sRoamerLocation[MAP_NUM] = sRoamerLocations[Random() % 20][0]; +} + +void InitRoamer(void) +{ + ClearRoamerData(); + ClearRoamerLocationData(); + CreateInitialRoamerMon(gSpecialVar_0x8004); +} + +void UpdateLocationHistoryForRoamer(void) +{ + sLocationHistory[2][MAP_GRP] = sLocationHistory[1][MAP_GRP]; + sLocationHistory[2][MAP_NUM] = sLocationHistory[1][MAP_NUM]; + + sLocationHistory[1][MAP_GRP] = sLocationHistory[0][MAP_GRP]; + sLocationHistory[1][MAP_NUM] = sLocationHistory[0][MAP_NUM]; + + sLocationHistory[0][MAP_GRP] = gSaveBlock1Ptr->location.mapGroup; + sLocationHistory[0][MAP_NUM] = gSaveBlock1Ptr->location.mapNum; +} + +void RoamerMoveToOtherLocationSet(void) +{ + u8 val = 0; + struct Roamer *roamer = &gSaveBlock1Ptr->roamer; + + if (!roamer->active) + return; + + sRoamerLocation[MAP_GRP] = val; + + while (1) + { + val = sRoamerLocations[Random() % 20][0]; + if (sRoamerLocation[MAP_NUM] != val) + { + sRoamerLocation[MAP_NUM] = val; + return; + } + } +} + +void RoamerMove(void) +{ + u8 locSet = 0; + + if ((Random() % 16) == 0) + { + RoamerMoveToOtherLocationSet(); + } + else + { + struct Roamer *roamer = &gSaveBlock1Ptr->roamer; + + if (!roamer->active) + return; + + while (locSet < 20) + { + if (sRoamerLocation[MAP_NUM] == sRoamerLocations[locSet][0]) + { + u8 mapNum; + while (1) + { + mapNum = sRoamerLocations[locSet][(Random() % 5) + 1]; + if (!(sLocationHistory[2][MAP_GRP] == 0 && sLocationHistory[2][MAP_NUM] == mapNum) && mapNum != 0xFF) + break; + } + sRoamerLocation[MAP_NUM] = mapNum; + return; + } + locSet++; + } + } +} + +bool8 IsRoamerAt(u8 mapGroup, u8 mapNum) +{ + struct Roamer *roamer = &gSaveBlock1Ptr->roamer; + + if (roamer->active && mapGroup == sRoamerLocation[MAP_GRP] && mapNum == sRoamerLocation[MAP_NUM]) + return TRUE; + else + return FALSE; +} + +void CreateRoamerMonInstance(void) +{ + struct Pokemon *mon; + struct Roamer *roamer; + + mon = &gEnemyParty[0]; + ZeroEnemyPartyMons(); + roamer = &gSaveBlock1Ptr->roamer; + CreateMonWithIVsPersonality(mon, roamer->species, roamer->level, roamer->ivs, roamer->personality); + SetMonData(mon, MON_DATA_STATUS, &gSaveBlock1Ptr->roamer.status); + SetMonData(mon, MON_DATA_HP, &gSaveBlock1Ptr->roamer.hp); + SetMonData(mon, MON_DATA_COOL, &gSaveBlock1Ptr->roamer.cool); + SetMonData(mon, MON_DATA_BEAUTY, &gSaveBlock1Ptr->roamer.beauty); + SetMonData(mon, MON_DATA_CUTE, &gSaveBlock1Ptr->roamer.cute); + SetMonData(mon, MON_DATA_SMART, &gSaveBlock1Ptr->roamer.smart); + SetMonData(mon, MON_DATA_TOUGH, &gSaveBlock1Ptr->roamer.tough); +} + +bool8 TryStartRoamerEncounter(void) +{ + if (IsRoamerAt(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum) == TRUE && (Random() % 4) == 0) + { + CreateRoamerMonInstance(); + return TRUE; + } + else + { + return FALSE; + } +} + +void UpdateRoamerHPStatus(struct Pokemon *mon) +{ + (&gSaveBlock1Ptr->roamer)->hp = GetMonData(mon, MON_DATA_HP); + (&gSaveBlock1Ptr->roamer)->status = GetMonData(mon, MON_DATA_STATUS); + + RoamerMoveToOtherLocationSet(); +} + +void SetRoamerInactive(void) +{ + struct Roamer *roamer = &gSaveBlock1Ptr->roamer; + roamer->active = FALSE; +} + +void GetRoamerLocation(u8 *mapGroup, u8 *mapNum) +{ + *mapGroup = sRoamerLocation[MAP_GRP]; + *mapNum = sRoamerLocation[MAP_NUM]; +} |