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
|
/* Battle Tanks Game
* Copyright (C) 2006-2009 Battle Tanks team
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Additional rights can be granted beyond the GNU General Public License
* on the terms provided in the Exception. If you modify this file,
* you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to provide this
* exception without modification, you must delete this exception statement
* from your version and license this file solely under the GPL without exception.
*/
#include "object.h"
#include "registrar.h"
#include "alarm.h"
#include "config.h"
#include "ai/targets.h"
#include "zbox.h"
#include "player_manager.h"
#include "mrt/random.h"
#define PIERCEABLE_PAIR(o1, o2) ((o1->piercing && o2->pierceable) || (o2->piercing && o1->pierceable))
class ShilkaTurret : public Object {
public:
void tick(const float dt) {
Object::tick(dt);
if (_parent == NULL)
throw_ex(("turret is only operable attached to shilka "));
bool play_fire = false;
const bool fire_possible = _fire.tick(dt);
const bool alt_fire_possible = _special_fire.tick(dt);
if (_state.alt_fire && alt_fire_possible) {
_special_fire.reset();
if (_parent->has_effect("dirt")) {
if (get_state().substr(0,4) == "fire")
cancel();
static const std::string left_fire = "shilka-bullet-left";
static const std::string right_fire = "shilka-bullet-right";
std::string animation = "shilka-dirt-bullet-";
animation += (_left_fire)?"left":"right";
_parent->spawn("dirt-bullet", animation, v2<float>(), _direction);
play_fire = true;
}
}
if (_state.fire && fire_possible) {
_fire.reset();
if (_parent->has_effect("ricochet")) {
_parent->spawn("ricochet-bullet(auto-aim)", "ricochet-bullet", v2<float>(), _direction);
play_fire = true;
_left_fire = ! _left_fire;
} else if (_parent->has_effect("dispersion")) {
if (alt_fire_possible) {
_special_fire.reset();
_parent->spawn("dispersion-bullet", "dispersion-bullet", v2<float>(), _direction);
play_fire = true;
_left_fire = ! _left_fire;
};
} else {
static const std::string left_fire = "shilka-bullet-left";
static const std::string right_fire = "shilka-bullet-right";
std::string animation = "shilka-bullet-";
animation += (_left_fire)?"left":"right";
_parent->spawn("shilka-bullet", animation, v2<float>(), _direction);
play_fire = true;
_left_fire = ! _left_fire;
}
}
if (play_fire) {
if (get_state().substr(0,4) == "fire")
cancel();
play_now(_left_fire?"fire-left":"fire-right");
}
} //end of tick()
void calculate(const float dt) {
if (!_reaction.tick(dt))
return;
if (_parent == NULL)
throw_ex(("turret is only operable attached to shilka "));
if (_parent->disable_ai && PlayerManager->get_slot_by_id(_parent->get_id()) == NULL) {
Object::calculate(dt);
return;
}
v2<float> pos, vel;
std::set<const Object *> objects;
_parent->enumerate_objects(objects, getWeaponRange("shilka-bullet"), &ai::Targets->troops);
int dirs = get_directions_number();
//int parent_dir = _parent->get_direction();
//(_parent->get_direction() - _parent->get_directions_number() / 2) * get_directions_number() / _parent->get_directions_number();
const Object *target = NULL;
v2<float> target_pos;
for(std::set<const Object *>::iterator i = objects.begin(); i != objects.end(); ++i) {
const Object *o = *i;
if (o->get_id() == _parent->get_id() || o->impassability == 0 || o->hp <= 0 ||
PIERCEABLE_PAIR(_parent, o) || !ZBox::sameBox(_parent->get_z(), o->get_z()) || _parent->has_same_owner(o) ||
o->has_effect("invulnerability")
)
continue;
pos = get_relative_position(o);
if (target == NULL || pos.quick_length() < target_pos.quick_length()) {
target = o;
target_pos = pos;
}
//LOG_DEBUG(("%s <- dir: %d, parent_dir: %d (%g, %g)", o->animation.c_str(), dir, parent_dir, pos.x, pos.y));
}
target_pos.normalize();
int dir = target_pos.get_direction(dirs) - 1;
if (target == NULL || dir < 0) {
Object::calculate(dt);
return;
}
_direction = target_pos;
set_direction(dir);
}
void on_spawn() {
play("hold", true);
GET_CONFIG_VALUE("objects.shilka.fire-rate", float, fr, 0.2f);
_fire.set(fr);
GET_CONFIG_VALUE("objects.shilka.special-fire-rate", float, sfr, 0.4f);
_special_fire.set(sfr);
}
ShilkaTurret() : Object("turrel"), _reaction(true), _fire(false), _special_fire(false), _left_fire(false) {
impassability = 0;
hp = -1;
set_directions_number(16);
pierceable = true;
float rt = 0.1f;
mrt::randomize(rt, rt/10);
_reaction.set(rt);
}
virtual void serialize(mrt::Serializator &s) const {
Object::serialize(s);
s.add(_reaction);
s.add(_fire);
s.add(_special_fire);
s.add(_left_fire);
}
virtual void deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(_reaction);
s.get(_fire);
s.get(_special_fire);
s.get(_left_fire);
}
virtual Object * clone() const { return new ShilkaTurret(*this); }
private:
Alarm _reaction, _fire, _special_fire;
bool _left_fire;
};
REGISTER_OBJECT("shilka-turret", ShilkaTurret, ());
|
