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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
* The Mana Server
* Copyright (C) 2013 The Mana Developers
*
* This file is part of The Mana Server.
*
* The Mana Server 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
* any later version.
*
* The Mana Server 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 The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#include "abilitycomponent.h"
#include "game-server/being.h"
#include "game-server/entity.h"
#include "scripting/scriptmanager.h"
#include "utils/logger.h"
AbilityComponent::AbilityComponent(Entity &entity)
{
entity.getComponent<BeingComponent>()->signal_attribute_changed.connect(
sigc::mem_fun(this, &AbilityComponent::attributeChanged));
}
void AbilityComponent::update(Entity &entity)
{
// Update ability recharge
for (auto &it : mAbilities)
{
AbilityValue &s = it.second;
if (s.abilityInfo->rechargeable &&
s.currentPoints < s.abilityInfo->neededPoints)
{
auto *beingComponent = entity.getComponent<BeingComponent>();
const double rechargeSpeed = beingComponent->getModifiedAttribute(
s.abilityInfo->rechargeAttribute);
s.currentPoints += (int)rechargeSpeed;
if (s.currentPoints >= s.abilityInfo->neededPoints &&
s.abilityInfo->rechargedCallback.isValid())
{
Script *script = ScriptManager::currentState();
script->prepare(s.abilityInfo->rechargedCallback);
script->push(&entity);
script->push(s.abilityInfo->id);
script->execute(entity.getMap());
}
}
}
}
/**
* Removes an available ability action
*/
bool AbilityComponent::takeAbility(int id)
{
AbilityMap::iterator i = mAbilities.find(id);
if (i != mAbilities.end())
{
mAbilities.erase(i);
signal_ability_took.emit(id);
return true;
}
return false;
}
bool AbilityComponent::abilityUseCheck(AbilityMap::iterator it)
{
if (it == mAbilities.end())
{
LOG_INFO("Character uses ability " << it->first
<< " without authorization.");
return false;
}
//check if the ability is currently recharged
AbilityValue &ability = it->second;
if (ability.abilityInfo->rechargeable &&
ability.currentPoints < ability.abilityInfo->neededPoints)
{
LOG_INFO("Character uses ability " << it->first
<< " which is not recharged. ("
<< ability.currentPoints << "/"
<< ability.abilityInfo->neededPoints << ")");
return false;
}
if (!ability.abilityInfo->useCallback.isValid())
{
LOG_WARN("No callback for use of ability "
<< ability.abilityInfo->categoryName << "/"
<< ability.abilityInfo->name << ". Ignoring ability.");
return false;
}
return true;
}
/**
* makes the character perform a ability on a being
* when it is allowed to do so
*/
void AbilityComponent::useAbilityOnBeing(Entity &user, int id, Entity *b)
{
AbilityMap::iterator it = mAbilities.find(id);
if (!abilityUseCheck(it))
return;
AbilityValue &ability = it->second;
if (ability.abilityInfo->target != AbilityManager::TARGET_BEING)
return;
//tell script engine to cast the spell
Script *script = ScriptManager::currentState();
script->prepare(ability.abilityInfo->useCallback);
script->push(&user);
script->push(b);
script->push(ability.abilityInfo->id);
script->execute(user.getMap());
}
/**
* makes the character perform a ability on a map point
* when it is allowed to do so
*/
void AbilityComponent::useAbilityOnPoint(Entity &user, int id, int x, int y)
{
AbilityMap::iterator it = mAbilities.find(id);
if (!abilityUseCheck(it))
return;
AbilityValue &ability = it->second;
if (ability.abilityInfo->target != AbilityManager::TARGET_POINT)
return;
//tell script engine to cast the spell
Script *script = ScriptManager::currentState();
script->prepare(ability.abilityInfo->useCallback);
script->push(&user);
script->push(x);
script->push(y);
script->push(ability.abilityInfo->id);
script->execute(user.getMap());
}
/**
* Allows a character to perform a ability
*/
bool AbilityComponent::giveAbility(int id, int currentPoints)
{
if (mAbilities.find(id) == mAbilities.end())
{
const AbilityManager::AbilityInfo *abilityInfo =
abilityManager->getAbilityInfo(id);
if (!abilityInfo)
{
LOG_ERROR("Tried to give not existing ability id " << id << ".");
return false;
}
mAbilities.insert(std::pair<int, AbilityValue>(
id, AbilityValue(currentPoints, abilityInfo)));
signal_ability_changed.emit(id);
return true;
}
return false;
}
/**
* Sets new current mana + makes sure that the client will get informed.
*/
bool AbilityComponent::setAbilityMana(int id, int mana)
{
AbilityMap::iterator it = mAbilities.find(id);
if (it != mAbilities.end())
{
it->second.currentPoints = mana;
signal_ability_changed.emit(id);
return true;
}
return false;
}
void AbilityComponent::attributeChanged(Entity *entity, unsigned attr)
{
for (auto &abilityIt : mAbilities)
{
// Inform the client about rechargespeed changes
if (abilityIt.second.abilityInfo->rechargeAttribute == attr)
signal_ability_changed.emit(abilityIt.first);
}
}
|
