CSSZombieEscape/sm-plugin-LagCompensation
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LagCompensation: black magic

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This commit is contained in:
BotoX 2019-10-08 00:00:19 +02:00
parent a35bf32eb0
commit 40cfdc5bbf
1 changed files with 42 additions and 38 deletions
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80
LagCompensation/scripting/LagCompensation.sp
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@ -37,6 +37,7 @@ enum struct EntityLagData
int iRecordsValid;
int iDeleted;
int iNotMoving;
int iTouchStamp;
bool bRestore;
bool bDoPhysics;
LagRecord RestoreData;
@ -52,11 +53,9 @@ Handle g_hGetAbsOrigin;
Handle g_hSetAbsOrigin;
Handle g_hSetLocalAngles;
Handle g_hPhysicsTouchTriggersDetour;
Handle g_hUTIL_Remove;
Handle g_hRestartRound;
bool g_bBlockPhysics = false;
char g_aBlockPhysics[2048] = {0, ...};
char g_aaDeleted[MAXPLAYERS + 1][2048];
@ -107,20 +106,6 @@ public void OnPluginStart()
g_hSetLocalAngles = EndPrepSDKCall();
// CBaseEntity::PhysicsTouchTriggers
g_hPhysicsTouchTriggersDetour = DHookCreateFromConf(hGameData, "CBaseEntity__PhysicsTouchTriggers");
if(!g_hPhysicsTouchTriggersDetour)
{
delete hGameData;
SetFailState("Failed to setup detour for CBaseEntity__PhysicsTouchTriggers");
}
if(!DHookEnableDetour(g_hPhysicsTouchTriggersDetour, false, Detour_OnPhysicsTouchTriggers))
{
delete hGameData;
SetFailState("Failed to detour CBaseEntity__PhysicsTouchTriggers.");
}
// ::UTIL_Remove
g_hUTIL_Remove = DHookCreateFromConf(hGameData, "UTIL_Remove");
if(!g_hUTIL_Remove)
@ -244,6 +229,7 @@ public void OnPluginEnd()
{
g_bCleaningUp = true;
FilterClientEntityMap(g_aaDeleted, false);
FilterTriggerTouchPlayers(g_aBlockPhysics, false);
DHookDisableDetour(g_hUTIL_Remove, false, Detour_OnUTIL_Remove);
@ -265,22 +251,6 @@ public APLRes AskPluginLoad2(Handle myself, bool late, char[] error, int err_max
return APLRes_Success;
}
public MRESReturn Detour_OnPhysicsTouchTriggers(int entity, Handle hReturn, Handle hParams)
{
if(!g_bBlockPhysics)
return MRES_Ignored;
if(entity < 0 || entity > sizeof(g_aBlockPhysics))
return MRES_Ignored;
if(g_aBlockPhysics[entity])
{
return MRES_Supercede;
}
return MRES_Ignored;
}
public MRESReturn Detour_OnUTIL_Remove(Handle hParams)
{
if(g_bCleaningUp)
@ -374,6 +344,21 @@ public void OnRunThinkFunctions(bool simulating)
i--; continue;
}
// Save old touchStamp
int touchStamp = GetEntProp(g_aEntityLagData[i].iEntity, Prop_Data, "touchStamp");
g_aEntityLagData[i].iTouchStamp = touchStamp;
// We have to increase the touchStamp by 1 here to avoid breaking the touchlink.
// The touchStamp is incremented by 1 every time an entities physics are simulated.
// When two entities touch then a touchlink is created on both entities with the touchStamp of either entity.
// Usually the player would touch the trigger first and then the trigger would touch the player later on in the same frame.
// The trigger touching the player would fix up the touchStamp (which was increased by 1 by the trigger physics simulate)
// But since we're blocking the trigger from ever touching a player outside of here we need to manually increase it by 1 up front
// so the correct +1'd touchStamp is stored in the touchlink.
// After simulating the players we restore the old touchStamp (-1) and when the entity is simulated it will increase it again by 1
// Thus both touchlinks will have the correct touchStamp value.
touchStamp++;
SetEntProp(g_aEntityLagData[i].iEntity, Prop_Data, "touchStamp", touchStamp);
if(g_aEntityLagData[i].iDeleted)
{
if(g_aEntityLagData[i].iDeleted + MAX_RECORDS < GetGameTickCount())
@ -455,6 +440,8 @@ public void OnPostPlayerThinkFunctions()
{
for(int i = 0; i < g_iNumEntities; i++)
{
SetEntProp(g_aEntityLagData[i].iEntity, Prop_Data, "touchStamp", g_aEntityLagData[i].iTouchStamp);
if(!g_aEntityLagData[i].bRestore)
continue;
@ -471,7 +458,7 @@ public void OnPostPlayerThinkFunctions()
#endif
}
g_bBlockPhysics = true;
FilterTriggerTouchPlayers(g_aBlockPhysics, true);
}
public void OnRunThinkFunctionsPost(bool simulating)
@ -559,7 +546,7 @@ public void OnRunThinkFunctionsPost(bool simulating)
#endif
}
g_bBlockPhysics = false;
FilterTriggerTouchPlayers(g_aBlockPhysics, false);
}
void RecordDataIntoRecord(int iEntity, LagRecord Record)
@ -572,7 +559,7 @@ void RecordDataIntoRecord(int iEntity, LagRecord Record)
void RestoreEntityFromRecord(int iEntity, int iFilter, bool bDoPhysics, LagRecord Record)
{
FilterTriggerMoved(iFilter);
//BlockSolidMoved(iEntity);
BlockSolidMoved(iEntity);
SDKCall(g_hSetLocalAngles, iEntity, Record.vecAngles);
SDKCall(g_hSetAbsOrigin, iEntity, Record.vecOrigin);
@ -583,7 +570,7 @@ void RestoreEntityFromRecord(int iEntity, int iFilter, bool bDoPhysics, LagRecor
SDKCall(g_hPhysicsTouchTriggers, iEntity, Record.vecOrigin);
}
*/
//BlockSolidMoved(-1);
BlockSolidMoved(-1);
FilterTriggerMoved(-1);
}
@ -643,8 +630,7 @@ public void OnEntitySpawned(int entity, const char[] classname)
if(!strncmp(classname, "func_physbox", 12))
{
int iParent = GetEntPropEnt(iParent, Prop_Data, "m_pParent");
int iParent = GetEntPropEnt(entity, Prop_Data, "m_pParent");
if(iParent != INVALID_ENT_REFERENCE)
{
AddEntityForLagCompensation(entity, false);
@ -666,6 +652,13 @@ public void OnEntitySpawned(int entity, const char[] classname)
break;
GetEntityClassname(iParent, sParentClassname, sizeof(sParentClassname));
if(!strncmp(sParentClassname, "prop_physics", 12))
{
bGoodParents = true;
break;
}
if(strncmp(sParentClassname, "func_", 5))
continue;
@ -681,7 +674,17 @@ public void OnEntitySpawned(int entity, const char[] classname)
if(iParent == INVALID_ENT_REFERENCE)
return;
/*
{
char sTargetname[64];
GetEntPropString(entity, Prop_Data, "m_iName", sTargetname, sizeof(sTargetname));
char sParentTargetname[64];
GetEntPropString(iParent, Prop_Data, "m_iName", sParentTargetname, sizeof(sParentTargetname));
PrintToBoth("CHECKING %s %s | parent: %s %s", classname, sTargetname, sParentClassname, sParentTargetname);
}
*/
if(!bGoodParents)
return;
@ -776,6 +779,7 @@ void EntityLagData_Copy(EntityLagData obj, const EntityLagData other)
obj.iRecordsValid = other.iRecordsValid;
obj.iDeleted = other.iDeleted;
obj.iNotMoving = other.iNotMoving;
obj.iTouchStamp = other.iTouchStamp;
obj.bRestore = other.bRestore;
obj.bDoPhysics = other.bDoPhysics;
LagRecord_Copy(obj.RestoreData, other.RestoreData);