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
|
/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TRINITY_PLAYERAI_H
#define TRINITY_PLAYERAI_H
#include "UnitAI.h"
class Creature;
class Spell;
enum class ChrSpecialization : uint32;
class TC_GAME_API PlayerAI : public UnitAI
{
public:
explicit PlayerAI(Player* player);
Creature* GetCharmer() const;
// helper functions to determine player info
ChrSpecialization GetSpec(Player const* who = nullptr) const;
static bool IsPlayerHealer(Player const* who);
bool IsHealer(Player const* who = nullptr) const { return (!who || who == me) ? _isSelfHealer : IsPlayerHealer(who); }
static bool IsPlayerRangedAttacker(Player const* who);
bool IsRangedAttacker(Player const* who = nullptr) const { return (!who || who == me) ? _isSelfRangedAttacker : IsPlayerRangedAttacker(who); }
protected:
struct TargetedSpell : public std::pair<Spell*, Unit*>
{
TargetedSpell() : pair<Spell*, Unit*>() { }
TargetedSpell(Spell* first, Unit* second) : pair<Spell*, Unit*>(first, second) { }
explicit operator bool() { return !!first; }
};
typedef std::pair<TargetedSpell, uint32> PossibleSpell;
typedef std::vector<PossibleSpell> PossibleSpellVector;
Player* const me;
void SetIsRangedAttacker(bool state) { _isSelfRangedAttacker = state; } // this allows overriding of the default ranged attacker detection
enum SpellTarget
{
TARGET_NONE,
TARGET_VICTIM,
TARGET_CHARMER,
TARGET_SELF
};
/* Check if the specified spell can be cast on that target.
Caller is responsible for cleaning up created Spell object from pointer. */
TargetedSpell VerifySpellCast(uint32 spellId, Unit* target);
/* Check if the specified spell can be cast on that target.
Caller is responsible for cleaning up created Spell object from pointer. */
TargetedSpell VerifySpellCast(uint32 spellId, SpellTarget target);
/* Helper method - checks spell cast, then pushes it onto provided vector if valid. */
template<typename T> inline void VerifyAndPushSpellCast(PossibleSpellVector& spells, uint32 spellId, T target, uint32 weight)
{
if (TargetedSpell spell = VerifySpellCast(spellId, target))
spells.push_back({ spell,weight });
}
/* Helper method - selects one spell from the vector and returns it, while deleting everything else.
This invalidates the vector, and empties it to prevent accidental misuse. */
TargetedSpell SelectSpellCast(PossibleSpellVector& spells);
/* Helper method - casts the included spell at the included target */
void DoCastAtTarget(TargetedSpell spell);
virtual Unit* SelectAttackTarget() const;
void DoRangedAttackIfReady();
void DoAutoAttackIfReady();
// Cancels all shapeshifts that the player could voluntarily cancel
void CancelAllShapeshifts();
private:
ChrSpecialization const _selfSpec;
bool const _isSelfHealer;
bool _isSelfRangedAttacker;
};
class TC_GAME_API SimpleCharmedPlayerAI : public PlayerAI
{
public:
SimpleCharmedPlayerAI(Player* player) : PlayerAI(player), _castCheckTimer(2500), _chaseCloser(false), _forceFacing(true), _isFollowing(false) { }
void UpdateAI(uint32 diff) override;
void OnCharmed(bool isNew) override;
protected:
bool CanAIAttack(Unit const* who) const override;
Unit* SelectAttackTarget() const override;
private:
TargetedSpell SelectAppropriateCastForSpec();
uint32 _castCheckTimer;
bool _chaseCloser;
bool _forceFacing;
bool _isFollowing;
};
#endif
|
