7 // netcode mismatch and not sure what caused it? developer_csqcentities 1
11 .bool(entity this, entity sender, bool isNew) m_read;
12 #define NET_HANDLE(id, param) bool Net_Handle_##id(entity this, entity sender, param)
14 #define NET_GUARD(id) \
15 bool Net_Handle_##id##_guard(entity this, entity sender, bool isNew) { \
17 serialize_marker(to, valid); \
18 if (!valid) LOG_FATALF("Last message not fully parsed: %s", _net_prevmsgstr); \
19 _net_prevmsgstr = #id; \
20 return Net_Handle_##id(this, sender, isNew); \
24 string _net_prevmsgstr;
25 #define REGISTER_NET_TEMP(id) \
26 NET_HANDLE(id, bool); \
28 REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) { \
30 this.m_read = Net_Handle_##id##_guard; \
33 #define REGISTER_NET_TEMP(id) \
34 const bool NET_##id##_istemp = true; \
35 REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) \
40 #define REGISTER_NET_S2C(id) REGISTER_NET_TEMP(id)
42 REGISTRY(TempEntities, BITS(8) - 80)
43 #define TempEntities_from(i) _TempEntities_from(i, NULL)
44 REGISTER_REGISTRY(TempEntities)
45 REGISTRY_SORT(TempEntities)
46 REGISTRY_CHECK(TempEntities)
47 STATIC_INIT(RegisterTempEntities_renumber) { FOREACH(TempEntities, true, it.m_id = 80 + i); }
52 #define REGISTER_NET_LINKED(id) \
53 [[accumulate]] NET_HANDLE(id, bool isnew) \
56 this.sourceLoc = __FILE__ ":" STR(__LINE__); \
57 if (!this) isnew = true; \
60 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
63 this.m_read = Net_Handle_##id##_guard; \
66 #define REGISTER_NET_LINKED(id) \
67 const bool NET_##id##_istemp = false; \
68 REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
74 REGISTRY(LinkedEntities, BITS(8) - 1)
75 #define LinkedEntities_from(i) _LinkedEntities_from(i, NULL)
76 REGISTER_REGISTRY(LinkedEntities)
77 REGISTRY_SORT(LinkedEntities)
78 REGISTRY_CHECK(LinkedEntities)
79 STATIC_INIT(RegisterLinkedEntities_renumber) { FOREACH(LinkedEntities, true, it.m_id = 1 + i); }
84 #define REGISTER_NET_C2S(id) \
85 NET_HANDLE(id, bool); \
86 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
89 this.m_read = Net_Handle_##id; \
92 #define REGISTER_NET_C2S(id) \
93 const bool NET_##id##_istemp = true; \
94 REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
100 REGISTRY(C2S_Protocol, BITS(8) - 1)
101 #define C2S_Protocol_from(i) _C2S_Protocol_from(i, NULL)
102 REGISTER_REGISTRY(C2S_Protocol)
103 REGISTRY_SORT(C2S_Protocol)
104 REGISTRY_CHECK(C2S_Protocol)
105 STATIC_INIT(C2S_Protocol_renumber) { FOREACH(C2S_Protocol, true, it.m_id = i); }
108 const int MSG_ENTITY = 5;
110 .int Version; // deprecated, use SendFlags
113 IntrusiveList g_uncustomizables;
114 STATIC_INIT(g_uncustomizables) { g_uncustomizables = IL_NEW(); }
116 void Net_LinkEntity(entity e, bool docull, float dt, bool(entity this, entity to, int sendflags) sendfunc)
118 if (e.classname == "") e.classname = "net_linked";
120 if (e.model == "" || e.modelindex == 0)
124 _setmodel(e, "null");
128 setSendEntity(e, sendfunc);
129 e.SendFlags = 0xFFFFFF;
131 if (!docull) e.effects |= EF_NODEPTHTEST;
135 e.nextthink = time + dt;
136 setthink(e, SUB_Remove);
140 void Net_UnlinkEntity(entity e)
142 setSendEntity(e, func_null);
145 .void(entity this) uncustomizeentityforclient;
146 .float uncustomizeentityforclient_set;
148 void SetCustomizer(entity e, bool(entity this, entity client) customizer, void(entity this) uncustomizer)
150 setcefc(e, customizer);
151 e.uncustomizeentityforclient = uncustomizer;
152 e.uncustomizeentityforclient_set = !!uncustomizer;
154 IL_PUSH(g_uncustomizables, e);
157 void UncustomizeEntitiesRun()
159 IL_EACH(g_uncustomizables, it.uncustomizeentityforclient_set, it.uncustomizeentityforclient(it));
162 STRING_ITERATOR(g_buf, string_null, 0);
166 void Net_ClientCommand(entity sender, string command)
168 // command matches `c2s "(.+)"`
169 string buf = substring(command, argv_start_index(1) + 1, -2);
170 if (buf == "") return;
171 STRING_ITERATOR_SET(g_buf, buf, 0);
172 for (int C2S; (C2S = ReadByte()) >= 0; )
174 entity reader = C2S_Protocol_from(C2S);
175 if (reader && reader.m_read && reader.m_read(NULL, sender, true)) continue;
176 LOG_SEVEREF("Net_ClientCommand() with malformed C2S=%d", C2S);
180 int expected = strlen(buf);
181 if (g_buf_i > expected) LOG_WARNF("Underflow: %d", g_buf_i - expected);
182 if (g_buf_i < expected) LOG_WARNF("Overrflow: %d", expected - g_buf_i);
188 const int MSG_C2S = 0;
190 #define Net_Accept(classname) \
192 if (!this) this = new(classname); \
194 #define Net_Reject() \
196 if (this) delete(this); \
203 if (g_buf == "") return;
204 localcmd("\ncmd c2s \"", strreplace("$", "$$", g_buf), "\"\n");
211 #define WriteHeader(to, id) \
213 WriteByte(to, NET_##id.m_id); \
216 #define WriteHeader(to, id) \
218 if (NET_##id##_istemp) WriteByte(to, SVC_TEMPENTITY); \
219 WriteByte(to, NET_##id.m_id); \
220 bool _net_valid = false; serialize_marker(to, _net_valid); \
224 // serialization: new style
228 #define stream_reading(stream) false
229 #define stream_writing(stream) true
231 #define stream_reading(stream) true
232 #define stream_writing(stream) false
235 #define serialize(T, stream, ...) \
237 noref Stream _stream = stream; \
238 serialize_##T(_stream, __VA_ARGS__); \
242 #define serialize_byte(stream, this) \
244 WriteByte(stream, this); \
247 #define serialize_byte(stream, this) \
254 #define serialize_float(stream, this) \
256 WriteCoord(stream, this); \
259 #define serialize_float(stream, this) \
261 this = ReadCoord(); \
265 #define serialize_vector(stream, this) \
268 serialize_float(stream, _v.x); \
269 serialize_float(stream, _v.y); \
270 serialize_float(stream, _v.z); \
274 #define serialize_marker(stream, this) \
279 int _de = 0xDE, _ad = 0xAD, _be = 0xBE, _ef = 0xEF; \
280 serialize_byte(stream, _de); \
281 serialize_byte(stream, _ad); \
282 serialize_byte(stream, _be); \
283 serialize_byte(stream, _ef); \
284 this = (_de == 0xDE && _ad == 0xAD && _be == 0xBE && _ef == 0xEF); \
288 // serialization: old
290 #define ReadRegistered(r) r##_from(Read_byte())
291 #define WriteRegistered(r, to, it) Write_byte(to, it.m_id)
293 #define Read_byte() ReadByte()
294 #define Write_byte(to, f) WriteByte(to, f)
298 void WriteByte(int to, int b)
300 assert(to == MSG_C2S);
301 string s = string_null;
303 string tmp = strcat(g_buf, s);
304 if (g_buf) strunzone(g_buf);
305 g_buf = strzone(tmp);
307 void WriteShort(int to, int b)
309 WriteByte(to, (b >> 8) & 0xFF);
310 WriteByte(to, b & 0xFF);
316 ydec_single(g_buf, ret);
321 return (ReadByte() << 8) | (ReadByte());
323 void WriteByte(int to, int b);
326 #define Read_int() ReadInt24_t()
327 #define Write_int(to, f) WriteInt24_t(to, f)
329 #define Read_float() ReadFloat()
330 #define Write_float(to, f) WriteFloat(to, f)
332 #define Read_string() ReadString()
333 #define Write_string(to, f) WriteString(to, f)
336 const float APPROXPASTTIME_ACCURACY_REQUIREMENT = 0.05;
337 #define APPROXPASTTIME_MAX (16384 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
338 #define APPROXPASTTIME_RANGE (64 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
342 entity ReadCSQCEntity()
345 if (f == 0) return NULL;
346 return findfloat(NULL, entnum, f);
350 int v = ReadShort() << 8; // note: this is signed
351 v += ReadByte(); // note: this is unsigned
354 #define ReadInt48_t() vec2(ReadInt24_t(), ReadInt24_t())
355 #define ReadInt72_t() vec3(ReadInt24_t(), ReadInt24_t(), ReadInt24_t())
357 noref int _ReadSByte;
358 #define ReadSByte() (_ReadSByte = ReadByte(), (_ReadSByte & BIT(7) ? -128 : 0) + (_ReadSByte & BITS(7)))
359 #define ReadFloat() ReadCoord()
360 #define ReadVector() vec3(ReadFloat(), ReadFloat(), ReadFloat())
361 #define ReadVector2D() vec2(ReadFloat(), ReadFloat())
363 float ReadApproxPastTime()
365 float dt = ReadByte();
367 // map from range...PPROXPASTTIME_MAX / 256
368 dt = (APPROXPASTTIME_MAX / 256) * (dt / (256 - dt));
370 return servertime - dt;
374 void WriteInt24_t(float dst, float val)
377 WriteShort(dst, (v = floor(val >> 8)));
378 WriteByte(dst, val - (v << 8)); // 0..255
380 void WriteInt48_t(float dst, vector val)
382 WriteInt24_t(dst, val.x);
383 WriteInt24_t(dst, val.y);
385 void WriteInt72_t(float dst, vector val)
387 WriteInt24_t(dst, val.x);
388 WriteInt24_t(dst, val.y);
389 WriteInt24_t(dst, val.z);
392 #define WriteFloat(to, f) WriteCoord(to, f)
393 #define WriteVector(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); WriteFloat(to, v.z); } MACRO_END
394 #define WriteVector2D(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); } MACRO_END
396 // this will use the value:
398 // accuracy near zero is APPROXPASTTIME_MAX/(256*255)
399 // accuracy at x is 1/derivative, i.e.
400 // APPROXPASTTIME_MAX * (1 + 256 * (dt / APPROXPASTTIME_MAX))^2 / 65536
401 void WriteApproxPastTime(float dst, float t)
405 // warning: this is approximate; do not resend when you don't have to!
406 // be careful with sendflags here!
407 // we want: 0 -> 0.05, 1 -> 0.1, ..., 255 -> 12.75
410 dt = 256 * (dt / ((APPROXPASTTIME_MAX / 256) + dt));
413 dt = rint(bound(0, dt, 255));
418 // allow writing to also pass through to spectators (like so spectators see the same centerprints as players for example)
419 #define WRITESPECTATABLE_MSG_ONE(to, statement) MACRO_BEGIN { \
420 entity prev = msg_entity; \
422 FOREACH_CLIENT(IS_REAL_CLIENT(it), { \
423 if (it == dst || (it.classname == STR_SPECTATOR && it.enemy == dst)) \