diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/roamer.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/roamer.c b/src/roamer.c new file mode 100644 index 000000000..6ad009e8b --- /dev/null +++ b/src/roamer.c @@ -0,0 +1,238 @@ +#include "global.h" +#include "roamer.h" +#include "random.h" +#include "overworld.h" +#include "field_specials.h" +#include "constants/species.h" + +EWRAM_DATA u8 sLocationHistory[3][2] = {}; +EWRAM_DATA u8 sRoamerLocation[2] = {}; + +#define saveRoamer (*(&gSaveBlock1Ptr->roamer)) + +enum +{ + MAP_GRP = 0, // map group + MAP_NUM = 1, // map number +}; + +const u8 sRoamerLocations[][7] = { + {0x13, 0x14, 0x27, 0x29, 0xff, 0xff, 0xff}, + {0x14, 0x13, 0x15, 0x29, 0xff, 0xff, 0xff}, + {0x15, 0x14, 0x16, 0xff, 0xff, 0xff, 0xff}, + {0x16, 0x15, 0x17, 0x1b, 0x2b, 0xff, 0xff}, + {0x17, 0x16, 0x18, 0x19, 0x1a, 0x1b, 0x2b}, + {0x18, 0x17, 0x19, 0x1a, 0x1d, 0xff, 0xff}, + {0x19, 0x17, 0x18, 0x1a, 0x22, 0xff, 0xff}, + {0x1a, 0x17, 0x18, 0x19, 0x1c, 0x1e, 0xff}, + {0x1b, 0x16, 0x17, 0x1c, 0x2b, 0xff, 0xff}, + {0x1c, 0x1a, 0x1b, 0x1e, 0xff, 0xff, 0xff}, + {0x1d, 0x18, 0x1e, 0xff, 0xff, 0xff, 0xff}, + {0x1e, 0x1c, 0x1d, 0x1f, 0xff, 0xff, 0xff}, + {0x1f, 0x1e, 0x20, 0xff, 0xff, 0xff, 0xff}, + {0x20, 0x1f, 0x21, 0xff, 0xff, 0xff, 0xff}, + {0x21, 0x20, 0x24, 0x25, 0xff, 0xff, 0xff}, + {0x22, 0x19, 0x23, 0xff, 0xff, 0xff, 0xff}, + {0x23, 0x22, 0x24, 0xff, 0xff, 0xff, 0xff}, + {0x24, 0x21, 0x23, 0x25, 0xff, 0xff, 0xff}, + {0x25, 0x21, 0x24, 0x26, 0xff, 0xff, 0xff}, + {0x26, 0x25, 0x27, 0xff, 0xff, 0xff, 0xff}, + {0x27, 0x13, 0x26, 0xff, 0xff, 0xff, 0xff}, + {0x29, 0x13, 0x14, 0x2a, 0xff, 0xff, 0xff}, + {0x2a, 0x29, 0x14, 0xff, 0xff, 0xff, 0xff}, + {0x2b, 0x16, 0x17, 0x1b, 0xff, 0xff, 0xff}, + {0x2c, 0x2b, 0x1b, 0xff, 0xff, 0xff, 0xff}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff} +}; + +void ClearRoamerData(void) +{ + u32 i; + gSaveBlock1Ptr->roamer = (struct Roamer){}; + sRoamerLocation[MAP_GRP] = 0; + sRoamerLocation[MAP_NUM] = 0; + for (i = 0; i < 3; i++) + { + sLocationHistory[i][MAP_GRP] = 0; + sLocationHistory[i][MAP_NUM] = 0; + } +} + +#define GetRoamerSpecies() ({\ + u16 a;\ + switch (ScrSpecial_GetStarter())\ + {\ + default:\ + a = SPECIES_RAIKOU;\ + break;\ + case SPECIES_BULBASAUR:\ + a = SPECIES_ENTEI;\ + break;\ + case SPECIES_CHARMANDER:\ + a = SPECIES_SUICUNE;\ + break;\ + }\ + a;\ +}) + +void CreateInitialRoamerMon(void) +{ + struct Pokemon * tmpMon = &gEnemyParty[0]; + u16 roamerMon; + + CreateMon(tmpMon, (roamerMon = GetRoamerSpecies()), 50, 0x20, 0, 0, 0, 0); + saveRoamer.species = roamerMon; + saveRoamer.level = 50; + saveRoamer.status = 0; + saveRoamer.active = TRUE; + saveRoamer.ivs = GetMonData(tmpMon, MON_DATA_IVS); + saveRoamer.personality = GetMonData(tmpMon, MON_DATA_PERSONALITY); + saveRoamer.hp = GetMonData(tmpMon, MON_DATA_MAX_HP); + saveRoamer.cool = GetMonData(tmpMon, MON_DATA_COOL); + saveRoamer.beauty = GetMonData(tmpMon, MON_DATA_BEAUTY); + saveRoamer.cute = GetMonData(tmpMon, MON_DATA_CUTE); + saveRoamer.smart = GetMonData(tmpMon, MON_DATA_SMART); + saveRoamer.tough = GetMonData(tmpMon, MON_DATA_TOUGH); + sRoamerLocation[MAP_GRP] = 3; + sRoamerLocation[MAP_NUM] = sRoamerLocations[Random() % (ARRAY_COUNT(sRoamerLocations) - 1)][0]; +} + +void InitRoamer(void) +{ + ClearRoamerData(); + CreateInitialRoamerMon(); +} + +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 mapNum = 0; + struct Roamer *roamer = &saveRoamer; + + if (!roamer->active) + return; + + sRoamerLocation[MAP_GRP] = 3; + + while (1) + { + mapNum = sRoamerLocations[Random() % (ARRAY_COUNT(sRoamerLocations) - 1)][0]; + if (sRoamerLocation[MAP_NUM] != mapNum) + { + sRoamerLocation[MAP_NUM] = mapNum; + return; + } + } +} + + +void RoamerMove(void) +{ + u8 locSet = 0; + + if ((Random() % 16) == 0) + { + RoamerMoveToOtherLocationSet(); + } + else + { + struct Roamer *roamer = &saveRoamer; + + if (!roamer->active) + return; + + while (locSet < (ARRAY_COUNT(sRoamerLocations) - 1)) + { + if (sRoamerLocation[MAP_NUM] == sRoamerLocations[locSet][0]) + { + u8 mapNum; + while (1) + { + mapNum = sRoamerLocations[locSet][(Random() % 6) + 1]; + if (!(sLocationHistory[2][MAP_GRP] == 3 && sLocationHistory[2][MAP_NUM] == mapNum) && mapNum != 0xFF) + break; + } + sRoamerLocation[MAP_NUM] = mapNum; + return; + } + locSet++; + } + } +} + +bool8 IsRoamerAt(u8 mapGroup, u8 mapNum) +{ + struct Roamer *roamer = &saveRoamer; + + 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 = &saveRoamer; + 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) +{ + saveRoamer.hp = GetMonData(mon, MON_DATA_HP); + saveRoamer.status = GetMonData(mon, MON_DATA_STATUS); + + RoamerMoveToOtherLocationSet(); +} + +void SetRoamerInactive(void) +{ + struct Roamer *roamer = &saveRoamer; + roamer->active = FALSE; +} + +void GetRoamerLocation(u8 *mapGroup, u8 *mapNum) +{ + *mapGroup = sRoamerLocation[MAP_GRP]; + *mapNum = sRoamerLocation[MAP_NUM]; +} + +u16 GetRoamerLocationMapSectionId(void) +{ + struct Roamer *roamer = &saveRoamer; + if (!saveRoamer.active) + return 0xC5; + return get_mapheader_by_bank_and_number(sRoamerLocation[MAP_GRP], sRoamerLocation[MAP_NUM])->regionMapSectionId; +} |