summaryrefslogtreecommitdiffstats
path: root/src/Mobs/Creeper.cpp
blob: 0461bcc2a4f9634f73cfceca683c6f96e3eea2e3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

#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;
	}
}