9 .bool(entity this, entity sender, bool isNew) m_read;
10 #define NET_HANDLE(id, param) bool Net_Handle_##id(entity this, entity sender, param)
14 #define REGISTER_NET_TEMP(id) \
15 NET_HANDLE(id, bool); \
16 REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) \
19 this.m_read = Net_Handle_##id; \
22 #define REGISTER_NET_TEMP(id) \
23 const bool NET_##id##_istemp = true; \
24 REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) \
29 #define REGISTER_NET_S2C(id) REGISTER_NET_TEMP(id)
31 REGISTRY(TempEntities, BITS(8) - 80)
32 #define TempEntities_from(i) _TempEntities_from(i, NULL)
33 REGISTER_REGISTRY(TempEntities)
34 REGISTRY_SORT(TempEntities)
35 REGISTRY_CHECK(TempEntities)
36 STATIC_INIT(RegisterTempEntities_renumber) { FOREACH(TempEntities, true, it.m_id = 80 + i); }
41 #define REGISTER_NET_LINKED(id) \
42 [[accumulate]] NET_HANDLE(id, bool isnew) \
45 this.sourceLoc = __FILE__ ":" STR(__LINE__); \
46 if (!this) isnew = true; \
48 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
51 this.m_read = Net_Handle_##id; \
54 #define REGISTER_NET_LINKED(id) \
55 const bool NET_##id##_istemp = false; \
56 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
62 REGISTRY(LinkedEntities, BITS(8) - 1)
63 #define LinkedEntities_from(i) _LinkedEntities_from(i, NULL)
64 REGISTER_REGISTRY(LinkedEntities)
65 REGISTRY_SORT(LinkedEntities)
66 REGISTRY_CHECK(LinkedEntities)
67 STATIC_INIT(RegisterLinkedEntities_renumber) { FOREACH(LinkedEntities, true, it.m_id = 1 + i); }
72 #define REGISTER_NET_C2S(id) \
73 NET_HANDLE(id, bool); \
74 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
77 this.m_read = Net_Handle_##id; \
80 #define REGISTER_NET_C2S(id) \
81 const bool NET_##id##_istemp = true; \
82 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
88 REGISTRY(C2S_Protocol, BITS(8) - 1)
89 #define C2S_Protocol_from(i) _C2S_Protocol_from(i, NULL)
90 REGISTER_REGISTRY(C2S_Protocol)
91 REGISTRY_SORT(C2S_Protocol)
92 REGISTRY_CHECK(C2S_Protocol)
93 STATIC_INIT(C2S_Protocol_renumber) { FOREACH(C2S_Protocol, true, it.m_id = i); }
96 const int MSG_ENTITY = 5;
98 .int Version; // deprecated, use SendFlags
100 .bool(entity to, int sendflags) SendEntity;
101 /** return false to remove from the client */
102 .bool(entity this, entity to, int sendflags) SendEntity3;
104 bool SendEntity_self(entity to, int sendflags) { SELFPARAM(); return this.SendEntity3(this, to, sendflags); }
106 void Net_LinkEntity(entity e, bool docull, float dt, bool(entity this, entity to, int sendflags) sendfunc)
108 if (e.classname == "") e.classname = "net_linked";
110 if (e.model == "" || e.modelindex == 0)
114 _setmodel(e, "null");
118 e.SendEntity = SendEntity_self;
119 e.SendEntity3 = sendfunc;
120 e.SendFlags = 0xFFFFFF;
122 if (!docull) e.effects |= EF_NODEPTHTEST;
126 e.nextthink = time + dt;
127 e.think = SUB_Remove_self;
131 void Net_UnlinkEntity(entity e)
133 e.SendEntity = func_null;
136 .void() uncustomizeentityforclient;
137 .float uncustomizeentityforclient_set;
139 void SetCustomizer(entity e, float() customizer, void() uncustomizer)
141 e.customizeentityforclient = customizer;
142 e.uncustomizeentityforclient = uncustomizer;
143 e.uncustomizeentityforclient_set = !!uncustomizer;
146 void UncustomizeEntitiesRun()
148 FOREACH_ENTITY_FLOAT(uncustomizeentityforclient_set, true, WITHSELF(it, it.uncustomizeentityforclient()));
151 STRING_ITERATOR(g_buf, string_null, 0);
155 void Net_ClientCommand(entity sender, string command)
157 // command matches `c2s "(.+)"`
158 string buf = substring(command, argv_start_index(1) + 1, -2);
159 if (buf == "") return;
160 STRING_ITERATOR_SET(g_buf, buf, 0);
161 for (int C2S; (C2S = ReadByte()) >= 0; )
163 entity reader = C2S_Protocol_from(C2S);
164 if (reader && reader.m_read && reader.m_read(NULL, sender, true)) continue;
165 LOG_SEVEREF("Net_ClientCommand() with malformed C2S=%d\n", C2S);
169 int expected = strlen(buf);
170 if (g_buf_i > expected) LOG_WARNINGF("Underflow: %d", g_buf_i - expected);
171 if (g_buf_i < expected) LOG_WARNINGF("Overrflow: %d", expected - g_buf_i);
177 const int MSG_C2S = 0;
179 #define Net_Accept(classname) \
181 if (!this) this = new(classname); \
183 #define Net_Reject() \
185 if (this) remove(this); \
192 if (g_buf == "") return;
193 localcmd("\ncmd c2s \"", strreplace("$", "$$", g_buf), "\"\n");
200 #define WriteHeader(to, id) \
202 WriteByte(to, NET_##id.m_id); \
205 #define WriteHeader(to, id) \
207 if (NET_##id##_istemp) WriteByte(to, SVC_TEMPENTITY); \
208 WriteByte(to, NET_##id.m_id); \
212 #define ReadRegistered(r) r##_from(Read_byte())
213 #define WriteRegistered(r, to, it) Write_byte(to, it.m_id)
215 #define Read_byte() ReadByte()
216 #define Write_byte(to, f) WriteByte(to, f)
220 void WriteByte(int to, int b)
222 assert(to == MSG_C2S);
223 string s = string_null;
225 string tmp = strcat(g_buf, s);
226 if (g_buf) strunzone(g_buf);
227 g_buf = strzone(tmp);
233 ydec_single(g_buf, ret);
236 void WriteByte(int to, int b);
239 #define Read_int() ReadInt24_t()
240 #define Write_int(to, f) WriteInt24_t(to, f)
242 #define Read_float() ReadFloat()
243 #define Write_float(to, f) WriteFloat(to, f)
245 #define Read_string() ReadString()
246 #define Write_string(to, f) WriteString(to, f)
249 const float APPROXPASTTIME_ACCURACY_REQUIREMENT = 0.05;
250 #define APPROXPASTTIME_MAX (16384 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
251 #define APPROXPASTTIME_RANGE (64 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
254 entity ReadCSQCEntity()
257 if (f == 0) return NULL;
258 return findfloat(NULL, entnum, f);
262 int v = ReadShort() << 8; // note: this is signed
263 v += ReadByte(); // note: this is unsigned
266 #define ReadInt48_t() vec3(ReadInt24_t(), ReadInt24_t(), 0)
267 #define ReadInt72_t() vec3(ReadInt24_t(), ReadInt24_t(), ReadInt24_t())
270 #define ReadSByte() (_ReadSByte = ReadByte(), (_ReadSByte & BIT(7) ? -128 : 0) + (_ReadSByte & BITS(7)))
271 #define ReadFloat() ReadCoord()
272 #define ReadVector() vec3(ReadFloat(), ReadFloat(), ReadFloat())
273 #define ReadVector2D() vec3(ReadFloat(), ReadFloat(), 0)
275 float ReadApproxPastTime()
277 float dt = ReadByte();
279 // map from range...PPROXPASTTIME_MAX / 256
280 dt = (APPROXPASTTIME_MAX / 256) * (dt / (256 - dt));
282 return servertime - dt;
286 void WriteInt24_t(float dst, float val)
289 WriteShort(dst, (v = floor(val >> 8)));
290 WriteByte(dst, val - (v << 8)); // 0..255
292 void WriteInt48_t(float dst, vector val)
294 WriteInt24_t(dst, val.x);
295 WriteInt24_t(dst, val.y);
297 void WriteInt72_t(float dst, vector val)
299 WriteInt24_t(dst, val.x);
300 WriteInt24_t(dst, val.y);
301 WriteInt24_t(dst, val.z);
304 #define WriteFloat(to, f) WriteCoord(to, f)
305 #define WriteVector(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); WriteFloat(to, v.z); } MACRO_END
306 #define WriteVector2D(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); } MACRO_END
308 // this will use the value:
310 // accuracy near zero is APPROXPASTTIME_MAX/(256*255)
311 // accuracy at x is 1/derivative, i.e.
312 // APPROXPASTTIME_MAX * (1 + 256 * (dt / APPROXPASTTIME_MAX))^2 / 65536
313 void WriteApproxPastTime(float dst, float t)
317 // warning: this is approximate; do not resend when you don't have to!
318 // be careful with sendflags here!
319 // we want: 0 -> 0.05, 1 -> 0.1, ..., 255 -> 12.75
322 dt = 256 * (dt / ((APPROXPASTTIME_MAX / 256) + dt));
325 dt = rint(bound(0, dt, 255));
330 // allow writing to also pass through to spectators (like so spectators see the same centerprints as players for example)
331 #define WRITESPECTATABLE_MSG_ONE(to, statement) MACRO_BEGIN { \
332 entity prev = msg_entity; \
334 FOREACH_CLIENT(IS_REAL_CLIENT(it), { \
335 if (it == dst || (it.classname == STR_SPECTATOR && it.enemy == dst)) \