diff options
Diffstat (limited to 'src/BlockEntities/MobSpawnerEntity.cpp')
| -rw-r--r-- | src/BlockEntities/MobSpawnerEntity.cpp | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/src/BlockEntities/MobSpawnerEntity.cpp b/src/BlockEntities/MobSpawnerEntity.cpp new file mode 100644 index 000000000..696a109d1 --- /dev/null +++ b/src/BlockEntities/MobSpawnerEntity.cpp @@ -0,0 +1,335 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "MobSpawnerEntity.h" + +#include "../World.h" +#include "../FastRandom.h" +#include "../MobSpawner.h" +#include "../Items/ItemSpawnEgg.h" + + + + + +cMobSpawnerEntity::cMobSpawnerEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) + : super(E_BLOCK_MOB_SPAWNER, a_BlockX, a_BlockY, a_BlockZ, a_World) + , m_Entity(mtPig) + , m_SpawnDelay(100) + , m_IsActive(false) +{ +} + + + + + +void cMobSpawnerEntity::SendTo(cClientHandle & a_Client) +{ + a_Client.SendUpdateBlockEntity(*this); +} + + + + + +void cMobSpawnerEntity::UsedBy(cPlayer * a_Player) +{ + if (a_Player->GetEquippedItem().m_ItemType == E_ITEM_SPAWN_EGG) + { + eMonsterType MonsterType = cItemSpawnEggHandler::ItemDamageToMonsterType(a_Player->GetEquippedItem().m_ItemDamage); + if (MonsterType == eMonsterType::mtInvalidType) + { + return; + } + + m_Entity = MonsterType; + ResetTimer(); + if (!a_Player->IsGameModeCreative()) + { + a_Player->GetInventory().RemoveOneEquippedItem(); + } + LOGD("Changed monster spawner at {%d, %d, %d} to type %s.", GetPosX(), GetPosY(), GetPosZ(), GetEntityName().c_str()); + } +} + + + + + +void cMobSpawnerEntity::UpdateActiveState(void) +{ + if (GetNearbyPlayersNum() > 0) + { + m_IsActive = true; + } + else + { + m_IsActive = false; + } +} + + + + + +bool cMobSpawnerEntity::Tick(float a_Dt, cChunk & a_Chunk) +{ + // Update the active flag every 5 seconds + if ((m_World->GetWorldAge() % 100) == 0) + { + UpdateActiveState(); + } + + if (!m_IsActive) + { + return false; + } + + if (m_SpawnDelay <= 0) + { + SpawnEntity(); + return true; + } + else + { + m_SpawnDelay--; + } + return false; +} + + + + + +void cMobSpawnerEntity::ResetTimer(void) +{ + m_SpawnDelay = (short) (200 + m_World->GetTickRandomNumber(600)); + m_World->BroadcastBlockEntity(m_PosX, m_PosY, m_PosZ); +} + + + + + +void cMobSpawnerEntity::SpawnEntity(void) +{ + int NearbyEntities = GetNearbyMonsterNum(m_Entity); + if (NearbyEntities >= 6) + { + ResetTimer(); + return; + } + + class cCallback : public cChunkCallback + { + public: + cCallback(int a_RelX, int a_RelY, int a_RelZ, eMonsterType a_MobType, int a_NearbyEntitiesNum) : + m_RelX(a_RelX), + m_RelY(a_RelY), + m_RelZ(a_RelZ), + m_MobType(a_MobType), + m_NearbyEntitiesNum(a_NearbyEntitiesNum) + { + } + + virtual bool Item(cChunk * a_Chunk) + { + cFastRandom Random; + + bool EntitiesSpawned = false; + for (size_t i = 0; i < 4; i++) + { + if (m_NearbyEntitiesNum >= 6) + { + break; + } + + int RelX = (int) (m_RelX + (double)(Random.NextFloat() - Random.NextFloat()) * 4.0); + int RelY = m_RelY + Random.NextInt(3) - 1; + int RelZ = (int) (m_RelZ + (double)(Random.NextFloat() - Random.NextFloat()) * 4.0); + + cChunk * Chunk = a_Chunk->GetRelNeighborChunkAdjustCoords(RelX, RelZ); + if ((Chunk == NULL) || !Chunk->IsValid()) + { + continue; + } + EMCSBiome Biome = Chunk->GetBiomeAt(RelX, RelZ); + + if (cMobSpawner::CanSpawnHere(Chunk, RelX, RelY, RelZ, m_MobType, Biome)) + { + double PosX = Chunk->GetPosX() * cChunkDef::Width + RelX; + double PosZ = Chunk->GetPosZ() * cChunkDef::Width + RelZ; + + cMonster * Monster = cMonster::NewMonsterFromType(m_MobType); + if (Monster == NULL) + { + continue; + } + + Monster->SetPosition(PosX, RelY, PosZ); + Monster->SetYaw(Random.NextFloat() * 360.0f); + if (Chunk->GetWorld()->SpawnMobFinalize(Monster) != mtInvalidType) + { + EntitiesSpawned = true; + Chunk->BroadcastSoundParticleEffect(2004, (int)(PosX * 8.0), (int)(RelY * 8.0), (int)(PosZ * 8.0), 0); + m_NearbyEntitiesNum++; + } + } + } + return EntitiesSpawned; + } + protected: + int m_RelX, m_RelY, m_RelZ; + eMonsterType m_MobType; + int m_NearbyEntitiesNum; + } Callback(m_RelX, m_PosY, m_RelZ, m_Entity, NearbyEntities); + + if (m_World->DoWithChunk(GetChunkX(), GetChunkZ(), Callback)) + { + ResetTimer(); + } +} + + + + + +AString cMobSpawnerEntity::GetEntityName() const +{ + switch (m_Entity) + { + case mtBat: return "Bat"; + case mtBlaze: return "Blaze"; + case mtCaveSpider: return "CaveSpider"; + case mtChicken: return "Chicken"; + case mtCow: return "Cow"; + case mtCreeper: return "Creeper"; + case mtEnderDragon: return "EnderDragon"; + case mtEnderman: return "Enderman"; + case mtGhast: return "Ghast"; + case mtGiant: return "Giant"; + case mtHorse: return "EntityHorse"; + case mtIronGolem: return "VillagerGolem"; + case mtMagmaCube: return "LavaSlime"; + case mtMooshroom: return "MushroomCow"; + case mtOcelot: return "Ozelot"; + case mtPig: return "Pig"; + case mtSheep: return "Sheep"; + case mtSilverfish: return "Silverfish"; + case mtSkeleton: return "Skeleton"; + case mtSlime: return "Slime"; + case mtSnowGolem: return "SnowMan"; + case mtSpider: return "Spider"; + case mtSquid: return "Squid"; + case mtVillager: return "Villager"; + case mtWitch: return "Witch"; + case mtWither: return "WitherBoss"; + case mtWolf: return "Wolf"; + case mtZombie: return "Zombie"; + case mtZombiePigman: return "PigZombie"; + default: + { + ASSERT(!"Unknown monster type!"); + return "Pig"; + } + } +} + + + + + +int cMobSpawnerEntity::GetNearbyPlayersNum(void) +{ + Vector3d SpawnerPos(m_PosX + 0.5, m_PosY + 0.5, m_PosZ + 0.5); + int NumPlayers = 0; + + class cCallback : public cChunkDataCallback + { + public: + cCallback(Vector3d a_SpawnerPos, int & a_NumPlayers) : + m_SpawnerPos(a_SpawnerPos), + m_NumPlayers(a_NumPlayers) + { + } + + virtual void Entity(cEntity * a_Entity) override + { + if (!a_Entity->IsPlayer()) + { + return; + } + + if ((m_SpawnerPos - a_Entity->GetPosition()).Length() <= 16) + { + m_NumPlayers++; + } + } + + protected: + Vector3d m_SpawnerPos; + int & m_NumPlayers; + } Callback(SpawnerPos, NumPlayers); + + int ChunkX = GetChunkX(); + int ChunkZ = GetChunkZ(); + m_World->ForEachChunkInRect(ChunkX - 1, ChunkX + 1, ChunkZ - 1, ChunkZ + 1, Callback); + + return NumPlayers; +} + + + + + +int cMobSpawnerEntity::GetNearbyMonsterNum(eMonsterType a_EntityType) +{ + Vector3d SpawnerPos(m_PosX + 0.5, m_PosY + 0.5, m_PosZ + 0.5); + int NumEntities = 0; + + class cCallback : public cChunkDataCallback + { + public: + cCallback(Vector3d a_SpawnerPos, eMonsterType a_EntityType, int & a_NumEntities) : + m_SpawnerPos(a_SpawnerPos), + m_EntityType(a_EntityType), + m_NumEntities(a_NumEntities) + { + } + + virtual void Entity(cEntity * a_Entity) override + { + if (!a_Entity->IsMob()) + { + return; + } + + cMonster * Mob = (cMonster *)a_Entity; + if (Mob->GetMobType() != m_EntityType) + { + return; + } + + if (((m_SpawnerPos - a_Entity->GetPosition()).Length() <= 8) && (Diff(m_SpawnerPos.y, a_Entity->GetPosY()) <= 4.0)) + { + m_NumEntities++; + } + } + + protected: + Vector3d m_SpawnerPos; + eMonsterType m_EntityType; + int & m_NumEntities; + } Callback(SpawnerPos, a_EntityType, NumEntities); + + int ChunkX = GetChunkX(); + int ChunkZ = GetChunkZ(); + m_World->ForEachChunkInRect(ChunkX - 1, ChunkX + 1, ChunkZ - 1, ChunkZ + 1, Callback); + + return NumEntities; +} + + + + |