diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/wild_encounter.c | 257 |
1 files changed, 256 insertions, 1 deletions
diff --git a/src/wild_encounter.c b/src/wild_encounter.c index 7d4cc7794..6238f6aab 100644 --- a/src/wild_encounter.c +++ b/src/wild_encounter.c @@ -11,6 +11,8 @@ #include "event_data.h" #include "safari_zone.h" #include "pokeblock.h" +#include "battle_setup.h" +#include "roamer.h" EWRAM_DATA u8 sWildEncountersDisabled = 0; EWRAM_DATA u32 sFeebasRngValue = 0; @@ -18,6 +20,12 @@ EWRAM_DATA u32 sFeebasRngValue = 0; #define NUM_FEEBAS_SPOTS 6 extern const u16 gRoute119WaterTileData[]; +extern const struct WildPokemonHeader gBattlePikeWildMonHeaders[]; +extern const struct WildPokemonHeader gBattlePyramidWildMonHeaders[]; + +extern u8 GetBattlePikeWildMonHeaderId(void); +extern bool32 TryGenerateBattlePikeWildMon(bool8 checkKeenEyeIntimidate); +extern void GenerateBattlePyramidWildMon(void); // this file's functions u16 FeebasRandom(void); @@ -374,7 +382,7 @@ enum #define WILD_CHECK_REPEL 0x1 #define WILD_CHECK_KEEN_EYE 0x2 -bool8 TryGenerateWildMon(struct WildPokemonInfo *wildMonInfo, u8 area, u8 flags) +bool8 TryGenerateWildMon(const struct WildPokemonInfo *wildMonInfo, u8 area, u8 flags) { u8 wildMonIndex = 0; u8 level; @@ -481,3 +489,250 @@ bool8 DoWildEncounterRateTest(u32 encounterRate, bool8 ignoreAbility) encounterRate = 2880; return DoWildEncounterRateDiceRoll(encounterRate); } + +bool8 DoGlobalWildEncounterDiceRoll(void) +{ + if (Random() % 100 >= 60) + return FALSE; + else + return TRUE; +} + +bool8 AreLegendariesInSootopolisPreventingEncounters(void) +{ + if (gSaveBlock1Ptr->location.mapGroup != MAP_GROUP_SOOTOPOLIS_CITY + || gSaveBlock1Ptr->location.mapNum != MAP_ID_SOOTOPOLIS_CITY) + { + return FALSE; + } + + return FlagGet(FLAG_LEGENDARIES_IN_SOOTOPOLIS); +} + +bool8 StandardWildEncounter(u16 currMetaTileBehavior, u16 previousMetaTileBehavior) +{ + u16 headerId; + struct Roamer *roamer; + + if (sWildEncountersDisabled == TRUE) + return FALSE; + + headerId = GetCurrentMapWildMonHeaderId(); + if (headerId == 0xFFFF) // invalid + { + if (gMapHeader.mapDataId == 0x166) + { + headerId = GetBattlePikeWildMonHeaderId(); + if (previousMetaTileBehavior != currMetaTileBehavior && !DoGlobalWildEncounterDiceRoll()) + return FALSE; + if (DoWildEncounterRateTest(gBattlePikeWildMonHeaders[headerId].landMonsInfo->encounterRate, FALSE) != TRUE) + return FALSE; + if (TryGenerateWildMon(gBattlePikeWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, WILD_CHECK_KEEN_EYE) != TRUE) + return FALSE; + if (!TryGenerateBattlePikeWildMon(TRUE)) + return FALSE; + + BattleSetup_StartBattlePikeWildBattle(); + return TRUE; + } + if (gMapHeader.mapDataId == 0x169) + { + headerId = gSaveBlock2Ptr->battlePyramidWildHeaderId; + if (previousMetaTileBehavior != currMetaTileBehavior && !DoGlobalWildEncounterDiceRoll()) + return FALSE; + if (DoWildEncounterRateTest(gBattlePyramidWildMonHeaders[headerId].landMonsInfo->encounterRate, FALSE) != TRUE) + return FALSE; + if (TryGenerateWildMon(gBattlePyramidWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, WILD_CHECK_KEEN_EYE) != TRUE) + return FALSE; + + GenerateBattlePyramidWildMon(); + BattleSetup_StartWildBattle(); + return TRUE; + } + } + else + { + if (MetatileBehavior_IsLandWildEncounter(currMetaTileBehavior) == TRUE) + { + if (gWildMonHeaders[headerId].landMonsInfo == NULL) + return FALSE; + if (previousMetaTileBehavior != currMetaTileBehavior && !DoGlobalWildEncounterDiceRoll()) + return FALSE; + if (DoWildEncounterRateTest(gWildMonHeaders[headerId].landMonsInfo->encounterRate, FALSE) != TRUE) + return FALSE; + + if (TryStartRoamerEncounter() == TRUE) + { + roamer = &gSaveBlock1Ptr->roamer; + if (!IsWildLevelAllowedByRepel(roamer->level)) + return FALSE; + + BattleSetup_StartRoamerBattle(); + return TRUE; + } + else + { + if (DoMassOutbreakEncounterTest() == TRUE && SetUpMassOutbreakEncounter(WILD_CHECK_REPEL | WILD_CHECK_KEEN_EYE) == TRUE) + { + BattleSetup_StartWildBattle(); + return TRUE; + } + + // try a regular wild land encounter + if (TryGenerateWildMon(gWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, WILD_CHECK_REPEL | WILD_CHECK_KEEN_EYE) == TRUE) + { + BattleSetup_StartWildBattle(); + return TRUE; + } + + return FALSE; + } + } + else if (MetatileBehavior_IsWaterWildEncounter(currMetaTileBehavior) == TRUE + || (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_SURFING) && MetatileBehavior_IsBridge(currMetaTileBehavior) == TRUE)) + { + if (AreLegendariesInSootopolisPreventingEncounters() == TRUE) + return FALSE; + if (gWildMonHeaders[headerId].waterMonsInfo == NULL) + return FALSE; + if (previousMetaTileBehavior != currMetaTileBehavior && !DoGlobalWildEncounterDiceRoll()) + return FALSE; + if (DoWildEncounterRateTest(gWildMonHeaders[headerId].waterMonsInfo->encounterRate, FALSE) != TRUE) + return FALSE; + + if (TryStartRoamerEncounter() == TRUE) + { + roamer = &gSaveBlock1Ptr->roamer; + if (!IsWildLevelAllowedByRepel(roamer->level)) + return FALSE; + + BattleSetup_StartRoamerBattle(); + return TRUE; + } + else // try a regular surfing encounter + { + if (TryGenerateWildMon(gWildMonHeaders[headerId].waterMonsInfo, WILD_AREA_WATER, WILD_CHECK_REPEL | WILD_CHECK_KEEN_EYE) == TRUE) + { + BattleSetup_StartWildBattle(); + return TRUE; + } + + return FALSE; + } + } + } + + return FALSE; +} + +void RockSmashWildEncounter(void) +{ + u16 headerId = GetCurrentMapWildMonHeaderId(); + + if (headerId != 0xFFFF) + { + const struct WildPokemonInfo *wildPokemonInfo = gWildMonHeaders[headerId].rockSmashMonsInfo; + + if (wildPokemonInfo == NULL) + { + gSpecialVar_Result = FALSE; + } + else if (DoWildEncounterRateTest(wildPokemonInfo->encounterRate, 1) == TRUE + && TryGenerateWildMon(wildPokemonInfo, 2, WILD_CHECK_REPEL | WILD_CHECK_KEEN_EYE) == TRUE) + { + BattleSetup_StartWildBattle(); + gSpecialVar_Result = TRUE; + } + else + { + gSpecialVar_Result = FALSE; + } + } + else + { + gSpecialVar_Result = FALSE; + } +} + +bool8 SweetScentWildEncounter(void) +{ + s16 x, y; + u16 headerId; + + PlayerGetDestCoords(&x, &y); + headerId = GetCurrentMapWildMonHeaderId(); + if (headerId == 0xFFFF) // invalid + { + if (gMapHeader.mapDataId == 0x166) + { + headerId = GetBattlePikeWildMonHeaderId(); + if (TryGenerateWildMon(gBattlePikeWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, 0) != TRUE) + return FALSE; + + TryGenerateBattlePikeWildMon(FALSE); + BattleSetup_StartBattlePikeWildBattle(); + return TRUE; + } + if (gMapHeader.mapDataId == 0x169) + { + headerId = gSaveBlock2Ptr->battlePyramidWildHeaderId; + if (TryGenerateWildMon(gBattlePyramidWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, 0) != TRUE) + return FALSE; + + GenerateBattlePyramidWildMon(); + BattleSetup_StartWildBattle(); + return TRUE; + } + } + else + { + if (MetatileBehavior_IsLandWildEncounter(MapGridGetMetatileBehaviorAt(x, y)) == TRUE) + { + if (gWildMonHeaders[headerId].landMonsInfo == NULL) + return FALSE; + + if (TryStartRoamerEncounter() == TRUE) + { + BattleSetup_StartRoamerBattle(); + return TRUE; + } + + if (DoMassOutbreakEncounterTest() == TRUE) + SetUpMassOutbreakEncounter(0); + else + TryGenerateWildMon(gWildMonHeaders[headerId].landMonsInfo, WILD_AREA_LAND, 0); + + BattleSetup_StartWildBattle(); + return TRUE; + } + else if (MetatileBehavior_IsWaterWildEncounter(MapGridGetMetatileBehaviorAt(x, y)) == TRUE) + { + if (AreLegendariesInSootopolisPreventingEncounters() == TRUE) + return FALSE; + if (gWildMonHeaders[headerId].waterMonsInfo == NULL) + return FALSE; + + if (TryStartRoamerEncounter() == TRUE) + { + BattleSetup_StartRoamerBattle(); + return TRUE; + } + + TryGenerateWildMon(gWildMonHeaders[headerId].waterMonsInfo, WILD_AREA_WATER, 0); + BattleSetup_StartWildBattle(); + return TRUE; + } + } + + return FALSE; +} + +bool8 DoesCurrentMapHaveFishingMons(void) +{ + u16 headerId = GetCurrentMapWildMonHeaderId(); + + if (headerId != 0xFFFF && gWildMonHeaders[headerId].fishingMonsInfo != NULL) + return TRUE; + else + return FALSE; +} |