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
|
/* 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/LosHandler.h"
#include "Sim/Misc/QuadField.h"
#include "Sim/Misc/RadarHandler.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitDef.h"
#include "System/myMath.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(maxSpeed),
CR_MEMBER(maxSpeedDef),
CR_MEMBER(maxWantedSpeed),
CR_MEMBER(repairBelowHealth),
CR_MEMBER(maneuverLeash),
CR_MEMBER(useHeading),
CR_ENUM_MEMBER(progressState)
))
AMoveType::AMoveType(CUnit* owner):
owner(owner),
goalPos(owner? owner->pos: ZeroVector),
oldPos(owner? owner->pos: ZeroVector),
oldSlowUpdatePos(oldPos),
useHeading(true),
progressState(Done),
maxSpeed(owner? owner->unitDef->speed / GAME_SPEED : 0.0f),
maxSpeedDef(owner? owner->unitDef->speed / GAME_SPEED : 0.0f),
maxWantedSpeed(owner? owner->unitDef->speed / GAME_SPEED : 0.0f),
repairBelowHealth(0.3f),
maneuverLeash(500.0f)
{
}
void AMoveType::SlowUpdate()
{
if (owner->pos != oldSlowUpdatePos) {
oldSlowUpdatePos = owner->pos;
const int newMapSquare = CGround::GetSquare(owner->pos);
const float losHeight = owner->losHeight;
const float radarHeight = owner->radarHeight;
if (newMapSquare != owner->mapSquare) {
owner->mapSquare = newMapSquare;
// if owner is an aircraft, temporarily add current altitude to emit-heights
// otherwise leave them as-is unless owner floats on water and is over water
if (!owner->UsingScriptMoveType()) {
const float agh = CGround::GetApproximateHeight(owner->pos.x, owner->pos.z);
const float alt = owner->pos.y - agh;
if (owner->IsInAir() && owner->unitDef->canfly) {
owner->losHeight += alt;
owner->radarHeight += alt;
}
if (owner->IsInWater() && owner->unitDef->floatOnWater) {
// agh is (should be) <= 0 here
owner->losHeight -= agh;
owner->radarHeight -= agh;
}
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();
}
}
losHandler->MoveUnit(owner, false);
radarHandler->MoveUnit(owner);
// restore emit-heights
owner->losHeight = losHeight;
owner->radarHeight = radarHeight;
}
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) / (PI + PI);
return turnRadius;
}
bool AMoveType::WantsRepair() const { return (owner->health < (repairBelowHealth * owner->maxHealth)); }
bool AMoveType::WantsRefuel() const { return (owner->currentFuel < (repairBelowHealth * owner->unitDef->maxFuel)); }
bool AMoveType::SetMemberValue(unsigned int memberHash, void* memberValue) {
#define MEMBER_CHARPTR_HASH(memberName) HsiehHash(memberName, strlen(memberName), 0)
#define MEMBER_LITERAL_HASH(memberName) HsiehHash(memberName, sizeof(memberName) - 1, 0)
#define MAXSPEED_MEMBER_IDX 0
#define MAXWANTEDSPEED_MEMBER_IDX 1
#define REPAIRBELOWHEALTH_MEMBER_IDX 2
#define MANEUVERLEASH_MEMBER_IDX 3
static const unsigned int floatMemberHashes[] = {
MEMBER_LITERAL_HASH( "maxSpeed"),
MEMBER_LITERAL_HASH( "maxWantedSpeed"),
MEMBER_LITERAL_HASH("repairBelowHealth"),
MEMBER_LITERAL_HASH( "maneuverLeash"),
};
#undef MEMBER_CHARPTR_HASH
#undef MEMBER_LITERAL_HASH
/*
// unordered_map etc. perform dynallocs, so KISS here
float* floatMemberPtrs[] = {
&maxSpeed,
&maxWantedSpeed,
&repairBelowHealth,
};
*/
// special cases
if (memberHash == floatMemberHashes[MAXSPEED_MEMBER_IDX]) {
SetMaxSpeed((*reinterpret_cast<float*>(memberValue)) / GAME_SPEED);
return true;
}
if (memberHash == floatMemberHashes[MAXWANTEDSPEED_MEMBER_IDX]) {
SetWantedMaxSpeed((*reinterpret_cast<float*>(memberValue)) / GAME_SPEED);
return true;
}
if (memberHash == floatMemberHashes[REPAIRBELOWHEALTH_MEMBER_IDX]) {
SetRepairBelowHealth(*reinterpret_cast<float*>(memberValue));
return true;
}
if (memberHash == floatMemberHashes[MANEUVERLEASH_MEMBER_IDX]) {
SetManeuverLeash(*reinterpret_cast<float*>(memberValue));
return true;
}
return false;
}
|
