forked from spring/spring
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathMoveType.cpp
More file actions
155 lines (119 loc) · 4.08 KB
/
MoveType.cpp
File metadata and controls
155 lines (119 loc) · 4.08 KB
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
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include <cassert>
#include "MoveType.h"
#include "Map/Ground.h"
#include "Sim/Misc/QuadField.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitDef.h"
#include "System/SpringMath.h"
#include "System/Sync/HsiehHash.h"
CR_BIND_DERIVED_INTERFACE(AMoveType, CObject)
CR_REG_METADATA(AMoveType, (
CR_MEMBER(owner),
CR_MEMBER(goalPos),
CR_MEMBER(oldPos),
CR_MEMBER(oldSlowUpdatePos),
CR_MEMBER(progressState),
CR_MEMBER(maxSpeed),
CR_MEMBER(maxSpeedDef),
CR_MEMBER(maxWantedSpeed),
CR_MEMBER(maneuverLeash),
CR_MEMBER(waterline),
CR_MEMBER(useHeading),
CR_MEMBER(useWantedSpeed)
))
#define MEMBER_CHARPTR_HASH(memberName) HsiehHash(memberName, strlen(memberName), 0)
#define MEMBER_LITERAL_HASH(memberName) HsiehHash(memberName, sizeof(memberName) - 1, 0)
static const unsigned int BOOL_MEMBER_HASHES[] = {
MEMBER_LITERAL_HASH("useWantedSpeed[0]"), // individual
MEMBER_LITERAL_HASH("useWantedSpeed[1]"), // formation
};
static const unsigned int FLOAT_MEMBER_HASHES[] = {
MEMBER_LITERAL_HASH( "maxSpeed"),
MEMBER_LITERAL_HASH( "maxWantedSpeed"),
MEMBER_LITERAL_HASH( "maneuverLeash"),
MEMBER_LITERAL_HASH( "waterline"),
};
#undef MEMBER_CHARPTR_HASH
#undef MEMBER_LITERAL_HASH
AMoveType::AMoveType(CUnit* owner):
owner(owner),
goalPos((owner != nullptr)? owner->pos: ZeroVector),
oldPos((owner != nullptr)? owner->pos: ZeroVector),
oldSlowUpdatePos(oldPos),
maxSpeed((owner != nullptr)? owner->unitDef->speed / GAME_SPEED : 0.0f),
maxSpeedDef((owner != nullptr)? owner->unitDef->speed / GAME_SPEED : 0.0f),
maxWantedSpeed((owner != nullptr)? owner->unitDef->speed / GAME_SPEED : 0.0f),
maneuverLeash(500.0f),
waterline((owner != nullptr)? owner->unitDef->waterline: 0.0f)
{
}
void AMoveType::SlowUpdate()
{
if (owner->pos != oldSlowUpdatePos) {
const int newMapSquare = CGround::GetSquare(oldSlowUpdatePos = owner->pos);
if (newMapSquare != owner->mapSquare) {
owner->mapSquare = newMapSquare;
if (!owner->UsingScriptMoveType()) {
if ((owner->IsOnGround() || owner->IsInWater()) && owner->unitDef->IsGroundUnit()) {
// always (re-)add us to occupation map if we moved
// (since our last SlowUpdate) and are on the ground
// NOTE: ships are ground units but not on the ground
owner->Block();
}
}
}
quadField.MovedUnit(owner);
}
}
void AMoveType::KeepPointingTo(CUnit* unit, float distance, bool aggressive)
{
KeepPointingTo(float3(unit->pos), distance, aggressive);
}
float AMoveType::CalcStaticTurnRadius() const {
// calculate a rough turn radius (not based on current speed)
const float turnFrames = SPRING_CIRCLE_DIVS / std::max(owner->unitDef->turnRate, 1.0f);
const float turnRadius = (maxSpeedDef * turnFrames) / math::TWOPI;
return turnRadius;
}
bool AMoveType::SetMemberValue(unsigned int memberHash, void* memberValue) {
#define MAXSPEED_MEMBER_IDX 0
#define MAXWANTEDSPEED_MEMBER_IDX 1
#define MANEUVERLEASH_MEMBER_IDX 2
#define WATERLINE_MEMBER_IDX 3
bool* boolMemberPtrs[] = {
&useWantedSpeed[false],
&useWantedSpeed[ true],
};
#if 0
// unordered_map etc. perform dynallocs, so KISS here
float* floatMemberPtrs[] = {
&maxSpeed,
&maxWantedSpeed,
};
#endif
for (size_t n = 0; n < sizeof(boolMemberPtrs) / sizeof(boolMemberPtrs[0]); n++) {
if (memberHash == BOOL_MEMBER_HASHES[n]) {
*(boolMemberPtrs[n]) = *(reinterpret_cast<bool*>(memberValue));
return true;
}
}
// special cases
if (memberHash == FLOAT_MEMBER_HASHES[MAXSPEED_MEMBER_IDX]) {
SetMaxSpeed((*reinterpret_cast<float*>(memberValue)) / GAME_SPEED);
return true;
}
if (memberHash == FLOAT_MEMBER_HASHES[MAXWANTEDSPEED_MEMBER_IDX]) {
SetWantedMaxSpeed((*reinterpret_cast<float*>(memberValue)) / GAME_SPEED);
return true;
}
if (memberHash == FLOAT_MEMBER_HASHES[MANEUVERLEASH_MEMBER_IDX]) {
SetManeuverLeash(*reinterpret_cast<float*>(memberValue));
return true;
}
if (memberHash == FLOAT_MEMBER_HASHES[WATERLINE_MEMBER_IDX]) {
SetWaterline(*reinterpret_cast<float*>(memberValue));
return true;
}
return false;
}