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.sourceLocFile = __FILE__; \
46 this.sourceLocLine = __LINE__; \
47 if (!this) isnew = true; \
49 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
52 this.m_read = Net_Handle_##id; \
55 #define REGISTER_NET_LINKED(id) \
56 const bool NET_##id##_istemp = false; \
57 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
63 REGISTRY(LinkedEntities, BITS(8) - 1)
64 #define LinkedEntities_from(i) _LinkedEntities_from(i, NULL)
65 REGISTER_REGISTRY(LinkedEntities)
66 REGISTRY_SORT(LinkedEntities)
67 REGISTRY_CHECK(LinkedEntities)
68 STATIC_INIT(RegisterLinkedEntities_renumber) { FOREACH(LinkedEntities, true, it.m_id = 1 + i); }
73 #define REGISTER_NET_C2S(id) \
74 NET_HANDLE(id, bool); \
75 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
78 this.m_read = Net_Handle_##id; \
81 #define REGISTER_NET_C2S(id) \
82 const bool NET_##id##_istemp = true; \
83 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
89 REGISTRY(C2S_Protocol, BITS(8) - 1)
90 #define C2S_Protocol_from(i) _C2S_Protocol_from(i, NULL)
91 REGISTER_REGISTRY(C2S_Protocol)
92 REGISTRY_SORT(C2S_Protocol)
93 REGISTRY_CHECK(C2S_Protocol)
94 STATIC_INIT(C2S_Protocol_renumber) { FOREACH(C2S_Protocol, true, it.m_id = i); }
97 const int MSG_ENTITY = 5;
99 .int Version; // deprecated, use SendFlags
101 .bool(entity to, int sendflags) SendEntity;
102 /** return false to remove from the client */
103 .bool(entity this, entity to, int sendflags) SendEntity3;
105 bool SendEntity_self(entity to, int sendflags) { return self.SendEntity3(self, to, sendflags); }
107 void Net_LinkEntity(entity e, bool docull, float dt, bool(entity this, entity to, int sendflags) sendfunc)
109 if (e.classname == "") e.classname = "net_linked";
111 if (e.model == "" || self.modelindex == 0)
115 _setmodel(e, "null");
119 e.SendEntity = SendEntity_self;
120 e.SendEntity3 = sendfunc;
121 e.SendFlags = 0xFFFFFF;
123 if (!docull) e.effects |= EF_NODEPTHTEST;
127 e.nextthink = time + dt;
128 e.think = SUB_Remove_self;
132 void Net_UnlinkEntity(entity e)
134 e.SendEntity = func_null;
137 .void() uncustomizeentityforclient;
138 .float uncustomizeentityforclient_set;
140 void SetCustomizer(entity e, float() customizer, void() uncustomizer)
142 e.customizeentityforclient = customizer;
143 e.uncustomizeentityforclient = uncustomizer;
144 e.uncustomizeentityforclient_set = !!uncustomizer;
147 void UncustomizeEntitiesRun()
149 FOREACH_ENTITY_FLOAT(uncustomizeentityforclient_set, true, LAMBDA(
150 WITH(entity, self, it, it.uncustomizeentityforclient());
154 STRING_ITERATOR(g_buf, string_null, 0);
158 void Net_ClientCommand(entity sender, string command)
160 // command matches `c2s "(.+)"`
161 string buf = substring(command, argv_start_index(1) + 1, -2);
162 if (buf == "") return;
163 STRING_ITERATOR_SET(g_buf, buf, 0);
164 for (int C2S; (C2S = ReadByte()) >= 0; )
166 entity reader = C2S_Protocol_from(C2S);
167 if (reader && reader.m_read && reader.m_read(NULL, sender, true)) continue;
168 LOG_SEVEREF("Net_ClientCommand() with malformed C2S=%d\n", C2S);
172 int expected = strlen(buf);
173 if (g_buf_i > expected) LOG_WARNINGF("Underflow: %d", g_buf_i - expected);
174 if (g_buf_i < expected) LOG_WARNINGF("Overrflow: %d", expected - g_buf_i);
180 const int MSG_C2S = 0;
182 #define Net_Accept(classname) \
184 if (!this) this = new(classname); \
186 #define Net_Reject() \
188 if (this) remove(this); \
195 if (g_buf == "") return;
196 localcmd("\ncmd c2s \"", strreplace("$", "$$", g_buf), "\"\n");
203 #define WriteHeader(to, id) \
205 WriteByte(to, NET_##id.m_id); \
208 #define WriteHeader(to, id) \
210 if (NET_##id##_istemp) WriteByte(to, SVC_TEMPENTITY); \
211 WriteByte(to, NET_##id.m_id); \
215 #define ReadRegistered(r) r##_from(Read_byte())
216 #define WriteRegistered(r, to, it) Write_byte(to, it.m_id)
218 #define Read_byte() ReadByte()
219 #define Write_byte(to, f) WriteByte(to, f)
223 void WriteByte(int to, int b)
225 assert(to == MSG_C2S);
226 string s = string_null;
228 string tmp = strcat(g_buf, s);
229 if (g_buf) strunzone(g_buf);
230 g_buf = strzone(tmp);
236 ydec_single(g_buf, ret);
239 void WriteByte(int to, int b);
242 #define Read_int() ReadInt24_t()
243 #define Write_int(to, f) WriteInt24_t(to, f)
245 #define Read_float() ReadFloat()
246 #define Write_float(to, f) WriteFloat(to, f)
248 #define Read_string() ReadString()
249 #define Write_string(to, f) WriteString(to, f)
252 const float APPROXPASTTIME_ACCURACY_REQUIREMENT = 0.05;
253 #define APPROXPASTTIME_MAX (16384 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
254 #define APPROXPASTTIME_RANGE (64 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
257 entity ReadCSQCEntity()
260 if (f == 0) return NULL;
261 return findfloat(NULL, entnum, f);
265 int v = ReadShort() << 8; // note: this is signed
266 v += ReadByte(); // note: this is unsigned
287 #define ReadSByte() (_ReadSByte = ReadByte(), (_ReadSByte & BIT(7) ? -128 : 0) + (_ReadSByte & BITS(7)))
288 #define ReadFloat() ReadCoord()
289 vector ReadVector() { vector v; v.x = ReadFloat(); v.y = ReadFloat(); v.z = ReadFloat(); return v; }
290 vector ReadVector2D() { vector v; v.x = ReadFloat(); v.y = ReadFloat(); v.z = 0; return v; }
292 float ReadApproxPastTime()
294 float dt = ReadByte();
296 // map from range...PPROXPASTTIME_MAX / 256
297 dt = (APPROXPASTTIME_MAX / 256) * (dt / (256 - dt));
299 return servertime - dt;
303 void WriteInt24_t(float dst, float val)
306 WriteShort(dst, (v = floor(val >> 8)));
307 WriteByte(dst, val - (v << 8)); // 0..255
309 void WriteInt48_t(float dst, vector val)
311 WriteInt24_t(dst, val.x);
312 WriteInt24_t(dst, val.y);
314 void WriteInt72_t(float dst, vector val)
316 WriteInt24_t(dst, val.x);
317 WriteInt24_t(dst, val.y);
318 WriteInt24_t(dst, val.z);
321 #define WriteFloat(to, f) WriteCoord(to, f)
322 #define WriteVector(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); WriteFloat(to, v.z); } MACRO_END
323 #define WriteVector2D(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); } MACRO_END
325 // this will use the value:
327 // accuracy near zero is APPROXPASTTIME_MAX/(256*255)
328 // accuracy at x is 1/derivative, i.e.
329 // APPROXPASTTIME_MAX * (1 + 256 * (dt / APPROXPASTTIME_MAX))^2 / 65536
330 void WriteApproxPastTime(float dst, float t)
334 // warning: this is approximate; do not resend when you don't have to!
335 // be careful with sendflags here!
336 // we want: 0 -> 0.05, 1 -> 0.1, ..., 255 -> 12.75
339 dt = 256 * (dt / ((APPROXPASTTIME_MAX / 256) + dt));
342 dt = rint(bound(0, dt, 255));
347 // allow writing to also pass through to spectators (like so spectators see the same centerprints as players for example)
348 #define WRITESPECTATABLE_MSG_ONE(to, statement) MACRO_BEGIN { \
349 entity prev = msg_entity; \
351 FOREACH_CLIENT(IS_REAL_CLIENT(it), { \
352 if (it == dst || (it.classname == STR_SPECTATOR && it.enemy == dst)) \