-#ifndef NET_H
-#define NET_H
-
-#ifdef SVQC
-.int Version; // deprecated, use SendFlags
-.int SendFlags;
-.bool(entity to, int sendflags) SendEntity;
-.bool(entity this, entity to, int sendflags) SendEntity3;
-
-bool SendEntity_self(entity to, int sendflags) { return self.SendEntity3(self, to, sendflags); }
-
-void Net_LinkEntity(entity e, bool docull, float dt, bool(entity this, entity to, int sendflags) sendfunc)
-{
- if (!e.classname) e.classname = "net_linked";
-
- if (!e.model || !self.modelindex) {
- vector mi = e.mins;
- vector ma = e.maxs;
- _setmodel(e, "null");
- setsize(e, mi, ma);
- }
-
- e.SendEntity = SendEntity_self;
- e.SendEntity3 = sendfunc;
- e.SendFlags = 0xFFFFFF;
-
- if (!docull) e.effects |= EF_NODEPTHTEST;
-
- if (dt) {
- e.nextthink = time + dt;
- e.think = SUB_Remove;
- }
-}
-
-.void() uncustomizeentityforclient;
-.float uncustomizeentityforclient_set;
-
-void SetCustomizer(entity e, float(void) customizer, void(void) uncustomizer)
-{
- e.customizeentityforclient = customizer;
- e.uncustomizeentityforclient = uncustomizer;
- e.uncustomizeentityforclient_set = !!uncustomizer;
-}
-
-void UncustomizeEntitiesRun()
-{
- for (entity e = NULL; (e = findfloat(e, uncustomizeentityforclient_set, 1)); ) {
- WITH(entity, self, e, e.uncustomizeentityforclient());
- }
-}
-
-#endif
+#pragma once
#include "registry.qh"
#include "sort.qh"
+#include "yenc.qh"
.string netname;
.int m_id;
-.void(entity this, bool isNew) m_read;
+.bool(entity this, entity sender, bool isNew) m_read;
+#define NET_HANDLE(id, param) bool Net_Handle_##id(entity this, entity sender, param)
+
#ifdef CSQC
- #define Net_Accept() do { if (!this) this = spawn(); } while (0)
- #define Net_Reject() do { if (this) remove(this); } while (0)
+ #define REGISTER_NET_TEMP(id) \
+ NET_HANDLE(id, bool); \
+ REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) \
+ { \
+ this.netname = #id; \
+ this.m_read = Net_Handle_##id; \
+ }
#else
- #define WriteHeader(to, id) do { \
- if (NET_##id##_istemp) WriteByte(to, SVC_TEMPENTITY); \
- WriteByte(to, NET_##id.m_id); \
- } while (0)
+ #define REGISTER_NET_TEMP(id) \
+ const bool NET_##id##_istemp = true; \
+ REGISTER(TempEntities, NET, id, m_id, new_pure(net_temp_packet)) \
+ { \
+ this.netname = #id; \
+ }
#endif
+#define REGISTER_NET_S2C(id) REGISTER_NET_TEMP(id)
+
+REGISTRY(TempEntities, BITS(8) - 80)
+#define TempEntities_from(i) _TempEntities_from(i, NULL)
+REGISTER_REGISTRY(TempEntities)
+REGISTRY_SORT(TempEntities)
+REGISTRY_CHECK(TempEntities)
+STATIC_INIT(RegisterTempEntities_renumber) { FOREACH(TempEntities, true, it.m_id = 80 + i); }
+
+
#ifdef CSQC
- #define REGISTER_NET_LINKED(id, param) \
- void Ent_Read##id(entity this, param) { this = self; } \
- REGISTER(RegisterLinkedEntities, NET, LinkedEntities, id, m_id, spawn()) { \
- this.netname = #id; \
- this.m_read = Ent_Read##id; \
- } \
- [[accumulate]] void Ent_Read##id(entity this, param)
+ #define REGISTER_NET_LINKED(id) \
+ [[accumulate]] NET_HANDLE(id, bool isnew) \
+ { \
+ this = self; \
+ this.sourceLoc = __FILE__ ":" STR(__LINE__); \
+ if (!this) isnew = true; \
+ } \
+ REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
+ { \
+ this.netname = #id; \
+ this.m_read = Net_Handle_##id; \
+ }
#else
- #define REGISTER_NET_LINKED(id, param) \
- const bool NET_##id##_istemp = false; \
- REGISTER(RegisterLinkedEntities, NET, LinkedEntities, id, m_id, spawn()) { \
- this.netname = #id; \
- }
+ #define REGISTER_NET_LINKED(id) \
+ const bool NET_##id##_istemp = false; \
+ REGISTER(LinkedEntities, NET, id, m_id, new_pure(net_linked_packet)) \
+ { \
+ this.netname = #id; \
+ }
#endif
-REGISTRY(LinkedEntities, BIT(0))
-REGISTER_REGISTRY(RegisterLinkedEntities)
-REGISTRY_SORT(LinkedEntities, netname, 0)
-STATIC_INIT(RegisterLinkedEntities_renumber) {
- for (int i = 0; i < LinkedEntities_COUNT; ++i) {
- LinkedEntities[i].m_id = 100 + i;
- }
-}
+REGISTRY(LinkedEntities, BITS(8) - 1)
+#define LinkedEntities_from(i) _LinkedEntities_from(i, NULL)
+REGISTER_REGISTRY(LinkedEntities)
+REGISTRY_SORT(LinkedEntities)
+REGISTRY_CHECK(LinkedEntities)
+STATIC_INIT(RegisterLinkedEntities_renumber) { FOREACH(LinkedEntities, true, it.m_id = 1 + i); }
-#ifdef CSQC
- #define REGISTER_NET_TEMP(id, param) \
- void Net_Read##id(entity this, param); \
- REGISTER(RegisterTempEntities, NET, TempEntities, id, m_id, spawn()) { \
- this.netname = #id; \
- this.m_read = Net_Read##id; \
- } \
- void Net_Read##id(entity this, param)
+
+
+#ifdef SVQC
+ #define REGISTER_NET_C2S(id) \
+ NET_HANDLE(id, bool); \
+ REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
+ { \
+ this.netname = #id; \
+ this.m_read = Net_Handle_##id; \
+ }
#else
- #define REGISTER_NET_TEMP(id, param) \
- const bool NET_##id##_istemp = true; \
- REGISTER(RegisterTempEntities, NET, TempEntities, id, m_id, spawn()) { \
- this.netname = #id; \
- }
+ #define REGISTER_NET_C2S(id) \
+ const bool NET_##id##_istemp = true; \
+ REGISTER(C2S_Protocol, NET, id, m_id, new_pure(net_c2s_packet)) \
+ { \
+ this.netname = #id; \
+ }
#endif
-REGISTRY(TempEntities, BIT(0))
-REGISTER_REGISTRY(RegisterTempEntities)
-REGISTRY_SORT(TempEntities, netname, 0)
-STATIC_INIT(RegisterTempEntities_renumber) {
- for (int i = 0; i < TempEntities_COUNT; ++i) {
- TempEntities[i].m_id = 115 + i;
- }
-}
+REGISTRY(C2S_Protocol, BITS(8) - 1)
+#define C2S_Protocol_from(i) _C2S_Protocol_from(i, NULL)
+REGISTER_REGISTRY(C2S_Protocol)
+REGISTRY_SORT(C2S_Protocol)
+REGISTRY_CHECK(C2S_Protocol)
+STATIC_INIT(C2S_Protocol_renumber) { FOREACH(C2S_Protocol, true, it.m_id = i); }
+
+#ifdef SVQC
+ const int MSG_ENTITY = 5;
+
+ .int Version; // deprecated, use SendFlags
+ .int SendFlags;
+ .bool(entity to, int sendflags) SendEntity;
+ /** return false to remove from the client */
+ .bool(entity this, entity to, int sendflags) SendEntity3;
+
+ bool SendEntity_self(entity to, int sendflags) { return self.SendEntity3(self, to, sendflags); }
+
+ void Net_LinkEntity(entity e, bool docull, float dt, bool(entity this, entity to, int sendflags) sendfunc)
+ {
+ if (e.classname == "") e.classname = "net_linked";
+
+ if (e.model == "" || e.modelindex == 0)
+ {
+ vector mi = e.mins;
+ vector ma = e.maxs;
+ _setmodel(e, "null");
+ setsize(e, mi, ma);
+ }
+
+ e.SendEntity = SendEntity_self;
+ e.SendEntity3 = sendfunc;
+ e.SendFlags = 0xFFFFFF;
+
+ if (!docull) e.effects |= EF_NODEPTHTEST;
+
+ if (dt)
+ {
+ e.nextthink = time + dt;
+ e.think = SUB_Remove_self;
+ }
+ }
+
+ void Net_UnlinkEntity(entity e)
+ {
+ e.SendEntity = func_null;
+ }
+
+ .void() uncustomizeentityforclient;
+ .float uncustomizeentityforclient_set;
+
+ void SetCustomizer(entity e, float() customizer, void() uncustomizer)
+ {
+ e.customizeentityforclient = customizer;
+ e.uncustomizeentityforclient = uncustomizer;
+ e.uncustomizeentityforclient_set = !!uncustomizer;
+ }
+
+ void UncustomizeEntitiesRun()
+ {
+ FOREACH_ENTITY_FLOAT(uncustomizeentityforclient_set, true, LAMBDA(
+ WITH(entity, self, it, it.uncustomizeentityforclient());
+ ));
+ }
+
+ STRING_ITERATOR(g_buf, string_null, 0);
+
+ int ReadByte();
+
+ void Net_ClientCommand(entity sender, string command)
+ {
+ // command matches `c2s "(.+)"`
+ string buf = substring(command, argv_start_index(1) + 1, -2);
+ if (buf == "") return;
+ STRING_ITERATOR_SET(g_buf, buf, 0);
+ for (int C2S; (C2S = ReadByte()) >= 0; )
+ {
+ entity reader = C2S_Protocol_from(C2S);
+ if (reader && reader.m_read && reader.m_read(NULL, sender, true)) continue;
+ LOG_SEVEREF("Net_ClientCommand() with malformed C2S=%d\n", C2S);
+ return;
+ }
+ g_buf_i--;
+ int expected = strlen(buf);
+ if (g_buf_i > expected) LOG_WARNINGF("Underflow: %d", g_buf_i - expected);
+ if (g_buf_i < expected) LOG_WARNINGF("Overrflow: %d", expected - g_buf_i);
+ }
+
+#endif
-#ifndef MENUQC
#ifdef CSQC
-int ReadInt24_t()
-{
- int v = ReadShort() << 8; // note: this is signed
- v += ReadByte(); // note: this is unsigned
- return v;
-}
-vector ReadInt48_t()
-{
- vector v;
- v.x = ReadInt24_t();
- v.y = ReadInt24_t();
- v.z = 0;
- return v;
-}
-vector ReadInt72_t()
-{
- vector v;
- v.x = ReadInt24_t();
- v.y = ReadInt24_t();
- v.z = ReadInt24_t();
- return v;
-}
-#else
-void WriteInt24_t(float dst, float val)
-{
- float v;
- WriteShort(dst, (v = floor(val >> 8)));
- WriteByte(dst, val - (v << 8)); // 0..255
-}
-void WriteInt48_t(float dst, vector val)
-{
- WriteInt24_t(dst, val.x);
- WriteInt24_t(dst, val.y);
-}
-void WriteInt72_t(float dst, vector val)
-{
- WriteInt24_t(dst, val.x);
- WriteInt24_t(dst, val.y);
- WriteInt24_t(dst, val.z);
-}
+ const int MSG_C2S = 0;
+
+ #define Net_Accept(classname) \
+ MACRO_BEGIN { \
+ if (!this) this = new(classname); \
+ } MACRO_END
+ #define Net_Reject() \
+ MACRO_BEGIN { \
+ if (this) remove(this); \
+ } MACRO_END
+
+ string g_buf;
+
+ void Net_Flush()
+ {
+ if (g_buf == "") return;
+ localcmd("\ncmd c2s \"", strreplace("$", "$$", g_buf), "\"\n");
+ strunzone(g_buf);
+ g_buf = string_null;
+ }
+#endif
+
+#if defined(CSQC)
+ #define WriteHeader(to, id) \
+ MACRO_BEGIN { \
+ WriteByte(to, NET_##id.m_id); \
+ } MACRO_END
+#elif defined(SVQC)
+ #define WriteHeader(to, id) \
+ MACRO_BEGIN { \
+ if (NET_##id##_istemp) WriteByte(to, SVC_TEMPENTITY); \
+ WriteByte(to, NET_##id.m_id); \
+ } MACRO_END
#endif
+
+#define ReadRegistered(r) r##_from(Read_byte())
+#define WriteRegistered(r, to, it) Write_byte(to, it.m_id)
+
+#define Read_byte() ReadByte()
+#define Write_byte(to, f) WriteByte(to, f)
+
+#if defined(CSQC)
+ int ReadByte();
+ void WriteByte(int to, int b)
+ {
+ assert(to == MSG_C2S);
+ string s = string_null;
+ yenc_single(b, s);
+ string tmp = strcat(g_buf, s);
+ if (g_buf) strunzone(g_buf);
+ g_buf = strzone(tmp);
+ }
+#elif defined(SVQC)
+ int ReadByte()
+ {
+ int ret = -1;
+ ydec_single(g_buf, ret);
+ return ret;
+ }
+ void WriteByte(int to, int b);
#endif
+#define Read_int() ReadInt24_t()
+#define Write_int(to, f) WriteInt24_t(to, f)
+
+#define Read_float() ReadFloat()
+#define Write_float(to, f) WriteFloat(to, f)
+
+#define Read_string() ReadString()
+#define Write_string(to, f) WriteString(to, f)
+
+#ifndef MENUQC
+ const float APPROXPASTTIME_ACCURACY_REQUIREMENT = 0.05;
+ #define APPROXPASTTIME_MAX (16384 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
+ #define APPROXPASTTIME_RANGE (64 * APPROXPASTTIME_ACCURACY_REQUIREMENT)
+
+ #ifdef CSQC
+ entity ReadCSQCEntity()
+ {
+ int f = ReadShort();
+ if (f == 0) return NULL;
+ return findfloat(NULL, entnum, f);
+ }
+ int ReadInt24_t()
+ {
+ int v = ReadShort() << 8; // note: this is signed
+ v += ReadByte(); // note: this is unsigned
+ return v;
+ }
+ vector ReadInt48_t()
+ {
+ vector v;
+ v.x = ReadInt24_t();
+ v.y = ReadInt24_t();
+ v.z = 0;
+ return v;
+ }
+ vector ReadInt72_t()
+ {
+ vector v;
+ v.x = ReadInt24_t();
+ v.y = ReadInt24_t();
+ v.z = ReadInt24_t();
+ return v;
+ }
+
+ int _ReadSByte;
+ #define ReadSByte() (_ReadSByte = ReadByte(), (_ReadSByte & BIT(7) ? -128 : 0) + (_ReadSByte & BITS(7)))
+ #define ReadFloat() ReadCoord()
+ vector ReadVector() { vector v; v.x = ReadFloat(); v.y = ReadFloat(); v.z = ReadFloat(); return v; }
+ vector ReadVector2D() { vector v; v.x = ReadFloat(); v.y = ReadFloat(); v.z = 0; return v; }
+
+ float ReadApproxPastTime()
+ {
+ float dt = ReadByte();
+
+ // map from range...PPROXPASTTIME_MAX / 256
+ dt = (APPROXPASTTIME_MAX / 256) * (dt / (256 - dt));
+
+ return servertime - dt;
+ }
+
+ #else
+ void WriteInt24_t(float dst, float val)
+ {
+ float v;
+ WriteShort(dst, (v = floor(val >> 8)));
+ WriteByte(dst, val - (v << 8)); // 0..255
+ }
+ void WriteInt48_t(float dst, vector val)
+ {
+ WriteInt24_t(dst, val.x);
+ WriteInt24_t(dst, val.y);
+ }
+ void WriteInt72_t(float dst, vector val)
+ {
+ WriteInt24_t(dst, val.x);
+ WriteInt24_t(dst, val.y);
+ WriteInt24_t(dst, val.z);
+ }
+
+ #define WriteFloat(to, f) WriteCoord(to, f)
+ #define WriteVector(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); WriteFloat(to, v.z); } MACRO_END
+ #define WriteVector2D(to, v) MACRO_BEGIN { WriteFloat(to, v.x); WriteFloat(to, v.y); } MACRO_END
+
+ // this will use the value:
+ // 128
+ // accuracy near zero is APPROXPASTTIME_MAX/(256*255)
+ // accuracy at x is 1/derivative, i.e.
+ // APPROXPASTTIME_MAX * (1 + 256 * (dt / APPROXPASTTIME_MAX))^2 / 65536
+ void WriteApproxPastTime(float dst, float t)
+ {
+ float dt = time - t;
+
+ // warning: this is approximate; do not resend when you don't have to!
+ // be careful with sendflags here!
+ // we want: 0 -> 0.05, 1 -> 0.1, ..., 255 -> 12.75
+
+ // map to range...
+ dt = 256 * (dt / ((APPROXPASTTIME_MAX / 256) + dt));
+
+ // round...
+ dt = rint(bound(0, dt, 255));
+
+ WriteByte(dst, dt);
+ }
+
+ // allow writing to also pass through to spectators (like so spectators see the same centerprints as players for example)
+ #define WRITESPECTATABLE_MSG_ONE(to, statement) MACRO_BEGIN { \
+ entity prev = msg_entity; \
+ entity dst = to; \
+ FOREACH_CLIENT(IS_REAL_CLIENT(it), { \
+ if (it == dst || (it.classname == STR_SPECTATOR && it.enemy == dst)) \
+ { \
+ msg_entity = it; \
+ LAMBDA(statement); \
+ } \
+ }); \
+ msg_entity = prev; \
+ } MACRO_END
+ #endif
#endif