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
|
#include "RemoteActor.h"
#if defined(WITH_MULTIPLAYER)
#include "../../../nCine/Base/Clock.h"
namespace Jazz2::Actors::Multiplayer
{
RemoteActor::RemoteActor()
: _stateBufferPos(0), _lastAnim(AnimState::Idle), _isAttachedLocally(false)
{
}
Task<bool> RemoteActor::OnActivatedAsync(const ActorActivationDetails& details)
{
SetState(ActorState::PreserveOnRollback, true);
SetState(ActorState::CanBeFrozen | ActorState::CollideWithTileset | ActorState::ApplyGravitation, false);
Clock& c = nCine::clock();
std::uint64_t now = c.now() * 1000 / c.frequency();
for (std::int32_t i = 0; i < std::int32_t(arraySize(_stateBuffer)); i++) {
_stateBuffer[i].Time = now - arraySize(_stateBuffer) + i;
_stateBuffer[i].Pos = Vector2f(details.Pos.X, details.Pos.Y);
}
async_return true;
}
void RemoteActor::OnUpdate(float timeMult)
{
if (!_isAttachedLocally) {
Clock& c = nCine::clock();
std::int64_t now = c.now() * 1000 / c.frequency();
std::int64_t renderTime = now - ServerDelay;
std::int32_t nextIdx = _stateBufferPos - 1;
if (nextIdx < 0) {
nextIdx += std::int32_t(arraySize(_stateBuffer));
}
if (renderTime <= _stateBuffer[nextIdx].Time) {
std::int32_t prevIdx;
while (true) {
prevIdx = nextIdx - 1;
if (prevIdx < 0) {
prevIdx += std::int32_t(arraySize(_stateBuffer));
}
if (prevIdx == _stateBufferPos || _stateBuffer[prevIdx].Time <= renderTime) {
break;
}
nextIdx = prevIdx;
}
Vector2f pos;
std::int64_t timeRange = (_stateBuffer[nextIdx].Time - _stateBuffer[prevIdx].Time);
if (timeRange > 0) {
float lerp = (float)(renderTime - _stateBuffer[prevIdx].Time) / timeRange;
pos = _stateBuffer[prevIdx].Pos + (_stateBuffer[nextIdx].Pos - _stateBuffer[prevIdx].Pos) * lerp;
} else {
pos = _stateBuffer[nextIdx].Pos;
}
MoveInstantly(pos, MoveType::Absolute | MoveType::Force);
}
}
ActorBase::OnUpdate(timeMult);
}
void RemoteActor::OnAttach(ActorBase* parent)
{
_isAttachedLocally = true;
}
void RemoteActor::OnDetach(ActorBase* parent)
{
_isAttachedLocally = false;
}
void RemoteActor::AssignMetadata(std::uint8_t flags, ActorState state, StringView path, AnimState anim, float rotation, float scaleX, float scaleY, ActorRendererType rendererType)
{
constexpr ActorState RemotedFlags = ActorState::Illuminated | ActorState::IsInvulnerable |
ActorState::CollideWithOtherActors | ActorState::CollideWithSolidObjects | ActorState::IsSolidObject |
ActorState::CollideWithTilesetReduced | ActorState::CollideWithSolidObjectsBelow | ActorState::ExcludeSimilar;
RequestMetadata(path);
SetAnimation(anim);
SetState((GetState() & ~RemotedFlags) | (state & RemotedFlags));
_renderer.Initialize(rendererType);
_renderer.setRotation(rotation);
SyncMiscWithServer(flags);
}
void RemoteActor::SyncPositionWithServer(Vector2f pos)
{
Clock& c = nCine::clock();
std::int64_t now = c.now() * 1000 / c.frequency();
if (_renderer.isDrawEnabled()) {
// Actor is still visible, enable interpolation
_stateBuffer[_stateBufferPos].Time = now;
_stateBuffer[_stateBufferPos].Pos = pos;
} else {
// Actor was hidden before, reset state buffer to disable interpolation
std::int32_t stateBufferPrevPos = _stateBufferPos - 1;
if (stateBufferPrevPos < 0) {
stateBufferPrevPos += std::int32_t(arraySize(_stateBuffer));
}
std::int64_t renderTime = now - ServerDelay;
_stateBuffer[stateBufferPrevPos].Time = renderTime;
_stateBuffer[stateBufferPrevPos].Pos = pos;
_stateBuffer[_stateBufferPos].Time = renderTime;
_stateBuffer[_stateBufferPos].Pos = pos;
}
_stateBufferPos++;
if (_stateBufferPos >= std::int32_t(arraySize(_stateBuffer))) {
_stateBufferPos = 0;
}
}
void RemoteActor::SyncAnimationWithServer(AnimState anim, float rotation, float scaleX, float scaleY, Actors::ActorRendererType rendererType)
{
if (_lastAnim != anim) {
_lastAnim = anim;
SetAnimation(anim);
}
_renderer.setRotation(rotation);
_renderer.setScale(scaleX, scaleY);
_renderer.Initialize(rendererType);
}
void RemoteActor::SyncMiscWithServer(std::uint8_t flags)
{
_renderer.setDrawEnabled((flags & 0x04) != 0);
_renderer.AnimPaused = (flags & 0x08) != 0;
SetFacingLeft((flags & 0x10) != 0);
_renderer.setFlippedY((flags & 0x20) != 0);
bool justWarped = (flags & 0x40) != 0;
if (justWarped) {
Clock& c = nCine::clock();
std::int64_t now = c.now() * 1000 / c.frequency();
std::int32_t stateBufferPrevPos = _stateBufferPos - 1;
if (stateBufferPrevPos < 0) {
stateBufferPrevPos += std::int32_t(arraySize(_stateBuffer));
}
Vector2f pos = _stateBuffer[stateBufferPrevPos].Pos;
for (std::size_t i = 0; i < arraySize(_stateBuffer); i++) {
_stateBuffer[i].Time = now;
_stateBuffer[i].Pos = pos;
}
}
}
}
#endif
|
