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
|
/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Laser and Missile class
*/
#include "MemDebug.h"
#include "Drone.h"
#include "Weapon.h"
#include "Ship.h"
#include "Sim.h"
#include "Explosion.h"
#include "Game.h"
#include "Bolt.h"
#include "Sprite.h"
#include "Solid.h"
#include "Light.h"
#include "Bitmap.h"
#include "DataLoader.h"
#include "Sound.h"
// +--------------------------------------------------------------------+
Drone::Drone(const Point& pos, const Camera& shot_cam, WeaponDesign* dsn, const Ship* ship)
: Shot(pos, shot_cam, dsn, ship),
decoy_type(0), iff_code(0)
{
obj_type = SimObject::SIM_DRONE;
if (dsn) {
decoy_type = dsn->decoy_type;
probe = dsn->probe;
integrity = dsn->integrity;
sprintf_s(name, "Drone %04d", Identity());
}
}
// +--------------------------------------------------------------------+
Drone::~Drone()
{
}
// +--------------------------------------------------------------------+
void
Drone::SeekTarget(SimObject* target, System* sub)
{
if (!probe)
Shot::SeekTarget(target, sub);
}
// +--------------------------------------------------------------------+
void
Drone::ExecFrame(double seconds)
{
Shot::ExecFrame(seconds);
}
// +--------------------------------------------------------------------+
void
Drone::Disarm()
{
Shot::Disarm();
}
// +--------------------------------------------------------------------+
void
Drone::Destroy()
{
Shot::Destroy();
}
// +--------------------------------------------------------------------+
double
Drone::PCS() const
{
if (decoy_type == 0 && !probe)
return 10e3;
return 0;
}
double
Drone::ACS() const
{
if (decoy_type == 0 && !probe)
return 1e3;
return 0;
}
// +--------------------------------------------------------------------+
const char*
Drone::ClassName() const
{
return Ship::ClassName(decoy_type);
}
int
Drone::Class() const
{
return decoy_type;
}
// +--------------------------------------------------------------------+
int
Drone::HitBy(Shot* shot, Point& impact)
{
if (life == 0 || !shot->IsArmed()) return 0;
const int HIT_NOTHING = 0;
const int HIT_HULL = 1;
Point hull_impact;
int hit_type = HIT_NOTHING;
Point shot_loc = shot->Location();
Point shot_org = shot->Origin();
Point delta = shot_loc - Location();
double dlen = delta.length();
double dscale = 1;
float scale = design->explosion_scale;
Sim* sim = Sim::GetSim();
if (scale <= 0)
scale = design->scale;
// MISSILE PROCESSING ------------------------------------------------
if (shot->IsMissile()) {
if (dlen < 10 * Radius()) {
hull_impact = impact = shot_loc;
sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.3f * scale, scale, region);
sim->CreateExplosion(impact, Point(), Explosion::SHOT_BLAST, 2.0f, scale, region);
hit_type = HIT_HULL;
}
}
// ENERGY WEP PROCESSING ---------------------------------------------
else {
if (shot->IsBeam()) {
// check right angle spherical distance:
Point d0 = Location() - shot_org;
Point w = shot_loc - shot_org; w.Normalize();
Point test = shot_org + w * (d0 * w);
Point d1 = test - Location();
double dlen = d1.length(); // distance of point from line
if (dlen < 2*Radius()) {
hull_impact = impact = test;
shot->SetBeamPoints(shot_org, impact);
sim->CreateExplosion(impact, Velocity(), Explosion::BEAM_FLASH, 0.30f * scale, scale, region);
hit_type = HIT_HULL;
}
}
else if (dlen < 2*Radius()) {
hull_impact = impact = shot_loc;
sim->CreateExplosion(impact, Velocity(), Explosion::HULL_FLASH, 0.30f * scale, scale, region);
hit_type = HIT_HULL;
}
}
// DAMAGE RESOLUTION -------------------------------------------------
if (hit_type != HIT_NOTHING) {
double effective_damage = shot->Damage() * dscale;
if (shot->IsBeam()) {
effective_damage *= Game::GetInstance()->FrameTime();
}
else {
ApplyTorque(shot->Velocity() * (float) effective_damage * 1e-6f);
}
if (effective_damage > 0)
Physical::InflictDamage(effective_damage);
}
return hit_type;
}
|
