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cuberite-2a/src/Mobs/Creeper.cpp

158 lines
3.3 KiB
C++

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Creeper.h"
#include "../World.h"
#include "../Entities/ProjectileEntity.h"
#include "../Entities/Player.h"
cCreeper::cCreeper(void) :
Super("Creeper", mtCreeper, "entity.creeper.hurt", "entity.creeper.death", "entity.creeper.ambient", 0.6f, 1.7f),
m_bIsBlowing(false),
m_bIsCharged(false),
m_BurnedWithFlintAndSteel(false),
m_ExplodingTimer(0)
{
}
void cCreeper::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
Super::Tick(a_Dt, a_Chunk);
if (!IsTicking())
{
// The base class tick destroyed us
return;
}
if (((GetTarget() == nullptr) || !TargetIsInRange()) && !m_BurnedWithFlintAndSteel)
{
if (m_bIsBlowing)
{
m_ExplodingTimer = 0;
m_bIsBlowing = false;
m_World->BroadcastEntityMetadata(*this);
}
}
else
{
if (m_bIsBlowing)
{
m_ExplodingTimer += 1;
}
if ((m_ExplodingTimer == 30) && (GetHealth() > 0.0)) // only explode when not already dead
{
m_World->DoExplosionAt((m_bIsCharged ? 5 : 3), GetPosX(), GetPosY(), GetPosZ(), false, esMonster, this);
Destroy(); // Just in case we aren't killed by the explosion
}
}
}
void cCreeper::GetDrops(cItems & a_Drops, cEntity * a_Killer)
{
if (m_ExplodingTimer == 30)
{
// Exploded creepers drop naught but charred flesh, which Minecraft doesn't have
return;
}
unsigned int LootingLevel = 0;
if (a_Killer != nullptr)
{
LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
}
AddRandomDropItem(a_Drops, 0, 2 + LootingLevel, E_ITEM_GUNPOWDER);
// If the creeper was killed by a skeleton, add a random music disc drop:
if (
(a_Killer != nullptr) &&
a_Killer->IsProjectile() &&
((static_cast<cProjectileEntity *>(a_Killer))->GetCreatorUniqueID() != cEntity::INVALID_ID))
{
auto ProjectileCreatorCallback = [](cEntity & a_Entity)
{
return (
a_Entity.IsMob() &&
((static_cast<cMonster &>(a_Entity)).GetMobType() == mtSkeleton)
);
};
if (GetWorld()->DoWithEntityByID(static_cast<cProjectileEntity *>(a_Killer)->GetCreatorUniqueID(), ProjectileCreatorCallback))
{
AddRandomDropItem(a_Drops, 1, 1, static_cast<short>(m_World->GetTickRandomNumber(11) + E_ITEM_FIRST_DISC));
}
}
}
bool cCreeper::DoTakeDamage(TakeDamageInfo & a_TDI)
{
if (!Super::DoTakeDamage(a_TDI))
{
return false;
}
if (a_TDI.DamageType == dtLightning)
{
m_bIsCharged = true;
}
m_World->BroadcastEntityMetadata(*this);
return true;
}
bool cCreeper::Attack(std::chrono::milliseconds a_Dt)
{
UNUSED(a_Dt);
if (!m_bIsBlowing)
{
m_World->BroadcastSoundEffect("entity.creeper.primed", GetPosition(), 1.f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
m_bIsBlowing = true;
m_World->BroadcastEntityMetadata(*this);
return true;
}
return false;
}
void cCreeper::OnRightClicked(cPlayer & a_Player)
{
Super::OnRightClicked(a_Player);
if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_FLINT_AND_STEEL))
{
if (!a_Player.IsGameModeCreative())
{
a_Player.UseEquippedItem();
}
m_World->BroadcastSoundEffect("entity.creeper.primed", GetPosition(), 1.f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
m_bIsBlowing = true;
m_World->BroadcastEntityMetadata(*this);
m_BurnedWithFlintAndSteel = true;
}
}