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
158
|
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "AggressiveMonster.h"
#include "LineBlockTracer.h"
#include "World.h"
#include "Entities/Player.h"
cAggressiveMonster::cAggressiveMonster(const AString & a_ConfigName, eMonsterType a_MobType, const AString & a_SoundHurt, const AString & a_SoundDeath, const AString & a_SoundAmbient, float a_Width, float a_Height) :
Super(a_ConfigName, a_MobType, a_SoundHurt, a_SoundDeath, a_SoundAmbient, a_Width, a_Height)
{
m_EMPersonality = AGGRESSIVE;
}
// What to do if in Chasing State
void cAggressiveMonster::InStateChasing(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
Super::InStateChasing(a_Dt, a_Chunk);
if (GetTarget() != nullptr)
{
MoveToPosition(GetTarget()->GetPosition());
}
}
void cAggressiveMonster::EventSeePlayer(cPlayer * a_Player, cChunk & a_Chunk)
{
Super::EventSeePlayer(a_Player, a_Chunk);
m_EMState = CHASING;
}
cMonster * cAggressiveMonster::GetMonsterOfTypeInSight(eMonsterType a_MobType, unsigned int a_SightDistance)
{
cMonster * FoundTarget = nullptr;
auto MinimumDistance = static_cast<double>(a_SightDistance * a_SightDistance);
class cCallback : public cBlockTracer::cCallbacks
{
public:
bool OnNextBlock(Vector3i a_BlockPos, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, eBlockFace a_EntryFace) override
{
return a_BlockType != E_BLOCK_AIR;
}
};
auto Callbacks = cCallback();
auto Tracer = cLineBlockTracer(*GetWorld(), Callbacks);
cEntityCallback Callback = [&](cEntity & a_Entity)
{
if (!a_Entity.IsMob())
{
return false;
}
auto & Other = dynamic_cast<cMonster &>(a_Entity);
if (Other.GetMobType() != a_MobType)
{
return false;
}
Vector3d MyHeadPosition = GetPosition().addedY(GetHeight());
Vector3d TargetPosition = Other.GetPosition().addedY(Other.GetHeight());
double TargetDistance = (MyHeadPosition - TargetPosition).SqrLength();
if (
(MinimumDistance > TargetDistance) &&
(TargetDistance < (a_SightDistance * a_SightDistance))
)
{
FoundTarget = & Other;
return true;
}
return false;
};
cBoundingBox CheckZone(GetPosition().addedXZ(-a_SightDistance, -a_SightDistance), GetPosition().addedXZ(a_SightDistance, a_SightDistance));
m_World->ForEachEntityInBox(CheckZone, Callback);
return FoundTarget;
}
void cAggressiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
Super::Tick(a_Dt, a_Chunk);
if (!IsTicking())
{
// The base class tick destroyed us
return;
}
// Set or clear m_Target depending on rules for this Monster:
if (m_EMState == CHASING)
{
CheckEventLostPlayer(a_Dt);
}
else
{
CheckEventSeePlayer(a_Chunk);
}
if (
(GetTarget() != nullptr) &&
TargetIsInRange() &&
cLineBlockTracer::LineOfSightTrace(
*GetWorld(),
GetPosition().addedY(GetHeight()),
GetTarget()->GetPosition().addedY(GetTarget()->GetHeight()),
(IsNetherNative() ? cLineBlockTracer::losAirWaterLava : cLineBlockTracer::losAirWater)
) &&
(GetHealth() > 0.0)
)
{
// Attack if reached destination, target isn't null, and have a clear line of sight to target (so won't attack through walls)
Attack(a_Dt);
}
}
bool cAggressiveMonster::Attack(std::chrono::milliseconds a_Dt)
{
if ((GetTarget() == nullptr) || (m_AttackCoolDownTicksLeft != 0))
{
return false;
}
// Setting this higher gives us more wiggle room for attackrate
ResetAttackCooldown();
double KnockbackAmount = 9;
GetTarget()->TakeDamage(dtMobAttack, this, m_AttackDamage, KnockbackAmount);
return true;
}
|
