Files
EscapistsReintroduced/docs/evidence/mounted-pair-2026-10-03/service/fix.patch
T
jakub 6a667d8deb Capture current mission, AI, map and administration development
Include the current addon, terrain integrations, tools, regression tests and recorded development evidence.
2026-10-13 22:52:53 +02:00

224 lines
16 KiB
Diff

--- a/addons/core/Scripts/Game/ERR/10_AI/ERR_ConvoyService.c
+++ b/addons/core/Scripts/Game/ERR/10_AI/ERR_ConvoyService.c
@@ -193,6 +193,20 @@
InterceptActive = false; InterceptOrder = null; InterceptReceipt = null; InterceptRecord = null; InterceptRoute = null;
m_InterceptMembers.Clear(); m_InterceptSeats.Clear();
}
+ // Pair preparation owns no route state. Recheck after both native allocations.
+ bool CanInstallIntercept(ERR_GameMode mode, ERR_ConvoyInterceptOrder order, float now)
+ {
+ if (!InterceptMatches(order) || order.Token != m_InterceptToken || InterceptActive || !InterceptCrew(mode)) return false;
+ return !(order.Position != m_InterceptPosition) && order.ExpiresAt == m_InterceptExpiresAt && now < m_InterceptExpiresAt;
+ }
+ // Caller transfers ownership of the prepared handle before AddWaypoint, which
+ // is a native boundary rather than a transactional pair operation.
+ void InstallIntercept(AIWaypoint detour)
+ {
+ m_InterceptRouteIndex = RouteIndex;
+ m_InterceptWaypoint = detour; InterceptWaypoint = detour; InterceptActive = true;
+ Group.AddWaypoint(detour);
+ }
bool DeliverIntercept(ERR_GameMode mode, ERR_ConvoyInterceptOrder order, float now)
{
if (!InterceptMatches(order) || order.Token != m_InterceptToken || InterceptActive || !InterceptCrew(mode)) return false;
@@ -562,6 +576,75 @@
unit.InterceptReceipt = task.Receipt; unit.InterceptRecord = m_Mode.Forces().FindGroup(unit.Group); unit.InterceptRoute = task.Route;
return true;
}
+ protected bool InterceptPairEligible(ERR_ConvoyTask task, ERR_ConvoyInterceptOrder first, ERR_ConvoyInterceptOrder second, float now)
+ {
+ if (!first || !second || first == second || first.Group == second.Group || first.VehicleIndex == second.VehicleIndex || first.Token == second.Token) return false;
+ if (!InterceptEligible(task, first) || !InterceptEligible(task, second) || !ERR_ForceRules.Finite(now) || now < 0) return false;
+ if (task.Vehicles[first.VehicleIndex].Entity == task.Vehicles[second.VehicleIndex].Entity) return false;
+ if (first.BeliefId <= 0 || first.BeliefRevision <= 0 || first.ReportId <= 0) return false;
+ if (first.BeliefId != second.BeliefId || first.BeliefRevision != second.BeliefRevision || first.ReportId != second.ReportId) return false;
+ if (first.ObservedAt != second.ObservedAt || first.IssuedAt != second.IssuedAt || first.ExpiresAt != second.ExpiresAt) return false;
+ if (!ERR_ForceRules.Finite(first.ObservedAt) || !ERR_ForceRules.Finite(first.IssuedAt) || !ERR_ForceRules.Finite(first.ExpiresAt)) return false;
+ if (first.ObservedAt < 0 || first.IssuedAt < first.ObservedAt || now < first.IssuedAt || now >= first.ExpiresAt || first.ExpiresAt > first.ObservedAt + 120000) return false;
+ if (!ERR_ForceRules.FiniteVector(first.Position) || !ERR_ForceRules.FiniteVector(second.Position)) return false;
+ return vector.DistanceXZ(first.Position, second.Position) >= 40;
+ }
+ bool ReserveInterceptPair(ERR_ConvoyTask task, ERR_ConvoyInterceptOrder first, ERR_ConvoyInterceptOrder second, float now)
+ {
+ if (!InterceptPairEligible(task, first, second, now)) return false;
+ foreach (ERR_ConvoyTask existing : m_Tasks)
+ foreach (ERR_ConvoyVehicle claimed : existing.Vehicles) if (claimed && claimed.InterceptToken != 0) return false;
+ ERR_ConvoyVehicle lead = task.Vehicles[first.VehicleIndex];
+ ERR_ConvoyVehicle partner = task.Vehicles[second.VehicleIndex];
+ if (!lead.ClaimIntercept(m_Mode, first)) return false;
+ lead.InterceptReceipt = task.Receipt; lead.InterceptRecord = m_Mode.Forces().FindGroup(lead.Group); lead.InterceptRoute = task.Route;
+ if (!InterceptPairEligible(task, first, second, now) || !partner.ClaimIntercept(m_Mode, second))
+ { lead.ClearIntercept(first); return false; }
+ partner.InterceptReceipt = task.Receipt; partner.InterceptRecord = m_Mode.Forces().FindGroup(partner.Group); partner.InterceptRoute = task.Route;
+ return true;
+ }
+ bool ApplyInterceptPair(ERR_ConvoyTask task, ERR_ConvoyInterceptOrder first, ERR_ConvoyInterceptOrder second, float now)
+ {
+ if (!InterceptPairEligible(task, first, second, now) || !InterceptCurrent(task, first) || !InterceptCurrent(task, second)) return false;
+ ERR_ConvoyVehicle lead = task.Vehicles[first.VehicleIndex];
+ ERR_ConvoyVehicle partner = task.Vehicles[second.VehicleIndex];
+ if (!lead.CanInstallIntercept(m_Mode, first, now) || !partner.CanInstallIntercept(m_Mode, second, now)) return false;
+ AIWaypoint firstWaypoint = AIWaypoint.Cast(ERR_Actors.Spawn(ERR_Resources.MoveWaypoint(), first.Position));
+ if (!firstWaypoint) return false;
+ AIWaypoint secondWaypoint = AIWaypoint.Cast(ERR_Actors.Spawn(ERR_Resources.MoveWaypoint(), second.Position));
+ if (!secondWaypoint) { SCR_EntityHelper.DeleteEntityAndChildren(firstWaypoint); return false; }
+ firstWaypoint.SetCompletionRadius(15); secondWaypoint.SetCompletionRadius(15);
+ if (!InterceptPairEligible(task, first, second, now) || !InterceptCurrent(task, first) || !InterceptCurrent(task, second)
+ || task.Vehicles[first.VehicleIndex] != lead || task.Vehicles[second.VehicleIndex] != partner
+ || !lead.CanInstallIntercept(m_Mode, first, now) || !partner.CanInstallIntercept(m_Mode, second, now))
+ { SCR_EntityHelper.DeleteEntityAndChildren(firstWaypoint); SCR_EntityHelper.DeleteEntityAndChildren(secondWaypoint); return false; }
+ // Route removal is also a native boundary; both prepared handles remain
+ // caller-owned until both exact claims have survived it.
+ lead.ClearOrder();
+ if (InterceptPairEligible(task, first, second, now) && InterceptCurrent(task, first) && InterceptCurrent(task, second)) partner.ClearOrder();
+ if (!InterceptPairEligible(task, first, second, now) || !InterceptCurrent(task, first) || !InterceptCurrent(task, second)
+ || task.Vehicles[first.VehicleIndex] != lead || task.Vehicles[second.VehicleIndex] != partner
+ || !lead.CanInstallIntercept(m_Mode, first, now) || !partner.CanInstallIntercept(m_Mode, second, now))
+ {
+ SCR_EntityHelper.DeleteEntityAndChildren(firstWaypoint); SCR_EntityHelper.DeleteEntityAndChildren(secondWaypoint);
+ ReleaseIntercept(task, first, now); ReleaseIntercept(task, second, now); return false;
+ }
+ lead.InstallIntercept(firstWaypoint);
+ // AddWaypoint can invoke native listeners. Do not install the partner after
+ // cancellation/ownership loss; release only these exact owned claims.
+ if (!InterceptPairEligible(task, first, second, now) || !InterceptCurrent(task, first) || !lead.InterceptActive
+ || !InterceptCurrent(task, second) || task.Vehicles[first.VehicleIndex] != lead || task.Vehicles[second.VehicleIndex] != partner
+ || !partner.CanInstallIntercept(m_Mode, second, now))
+ {
+ SCR_EntityHelper.DeleteEntityAndChildren(secondWaypoint);
+ ReleaseIntercept(task, first, now); ReleaseIntercept(task, second, now); return false;
+ }
+ partner.InstallIntercept(secondWaypoint);
+ if (InterceptPairEligible(task, first, second, now) && InterceptCurrent(task, first) && InterceptCurrent(task, second)
+ && task.Vehicles[first.VehicleIndex] == lead && task.Vehicles[second.VehicleIndex] == partner
+ && lead.InterceptActive && partner.InterceptActive) return true;
+ ReleaseIntercept(task, first, now); ReleaseIntercept(task, second, now); return false;
+ }
bool ApplyIntercept(ERR_ConvoyTask task, ERR_ConvoyInterceptOrder order, float now)
{
if (!InterceptCurrent(task, order) || !ERR_ForceRules.Finite(now) || now < order.IssuedAt || now >= order.ExpiresAt) return false;
--- /dev/null
+++ b/tests/test_convoy_intercept_pair.py
@@ -0,0 +1,121 @@
+"""Execute actual pair admission/apply plus the complete existing vehicle policy.
+Native doubles inject allocation, AddWaypoint and RemoveWaypoint boundaries.
+"""
+import contextlib,io,os,re,runpy
+from pathlib import Path
+import policy_harness as h
+path=Path(os.environ.get('ERR_CONVOY_SERVICE',h.ROOT/'addons/core/Scripts/Game/ERR/10_AI/ERR_ConvoyService.c'))
+source=path.read_text()
+assert 'bool ReserveInterceptPair(' in source and 'bool ApplyInterceptPair(' in source, 'paired service API absent (baseline feature gap)'
+# Reuse existing full vehicle/native doubles without running or changing its assertions.
+captured=[]; original_run=h.run
+try:
+ h.run=captured.append
+ with contextlib.redirect_stdout(io.StringIO()): runpy.run_path(str(h.ROOT/'tests/test_convoy_lifecycle.py'))
+finally: h.run=original_run
+assert len(captured)==1
+cpp=captured[0]
+pair='\n'.join(h.body(path,s) for s in ('protected bool InterceptPairEligible(', 'bool ReserveInterceptPair(', 'bool ApplyInterceptPair('))
+pair=pair.replace('protected ','').replace('foreach (','for (')
+for typ in ['ERR_ConvoyTask','ERR_ConvoyInterceptOrder','ERR_ConvoyVehicle','AIWaypoint']:
+ pair=re.sub(r'\b'+typ+r' (?=\w)',typ+'* ',pair)
+for obj in ['task','first','second','lead','partner','existing','claimed','m_Mode','firstWaypoint','secondWaypoint','Receipt']:
+ pair=pair.replace(obj+'.',obj+'->')
+pair=re.sub(r'(Vehicles\[[^\]]+\])\.',r'\1->',pair).replace('Forces().','Forces()->')
+for ns in ['ERR_ForceRules','ERR_Actors','ERR_Resources','SCR_EntityHelper','vector']:
+ pair=pair.replace(ns+'.',ns+'::')
+pair=pair.replace('AIWaypoint.Cast(', 'static_cast<AIWaypoint*>(')
+cpp=cpp.replace('bool ApplyIntercept(ERR_ConvoyTask*',pair+'\nbool ApplyIntercept(ERR_ConvoyTask*',1)
+cpp=cpp[:cpp.index('int main(){')]
+cpp=cpp.replace('#include <cassert>','#include <cassert>\n#include <functional>\n#include <map>')
+cpp=cpp.replace('void RemoveWaypoint(AIWaypoint*){removes++;}void AddWaypoint(AIWaypoint*){adds++;}', 'std::function<void()> onRemove,onAdd;void RemoveWaypoint(AIWaypoint*){removes++;if(onRemove)onRemove();}void AddWaypoint(AIWaypoint*){adds++;if(onAdd)onAdd();}')
+cpp=cpp.replace('ERR_ForceRecord* FindGroup(SCR_AIGroup*){return &record;}', 'std::map<SCR_AIGroup*,ERR_ForceRecord*> records;ERR_ForceRecord* FindGroup(SCR_AIGroup* g){return records.count(g)?records[g]:&record;}')
+cpp=cpp.replace('int LogisticsToken(SCR_AIGroup*){return token;}', 'std::map<SCR_AIGroup*,int> tokens;int LogisticsToken(SCR_AIGroup* g){return tokens.count(g)?tokens[g]:token;}')
+cpp=cpp.replace('int spawns=0;bool fail=false;', 'int spawns=0,failAt=0;bool fail=false;std::function<void()> onSpawn;')
+cpp=cpp.replace('spawns++;return fail?nullptr:new AIWaypoint();','spawns++;if(onSpawn)onSpawn();return (fail||spawns==failAt)?nullptr:new AIWaypoint();')
+cpp+=r'''
+struct PairCase:InterceptCase{
+ Case b; ERR_ConvoyInterceptOrder second;ERR_ConvoyVehicle fillers[4];
+ PairCase(){
+ b.unit.Index=3;b.mode.ledger.record.Id=10;b.mode.ledger.record.SourceId="original-vehicle-3";
+ mode.ledger.records[&group]=&mode.ledger.record;mode.ledger.records[&b.group]=&b.mode.ledger.record;
+ mode.command.tokens[&group]=400001;mode.command.tokens[&b.group]=400002;
+ second=order;second.Token=400002;second.Group=&b.group;second.VehicleIndex=3;second.Position={740,0,0};
+ task.Vehicles={&unit,&fillers[0],&fillers[1],&b.unit,&fillers[2],&fillers[3]};
+ unit.Tick(&mode,&route,0);b.unit.Tick(&mode,&route,0);
+ }
+ bool ReservePair(){return service.ReserveInterceptPair(&task,&order,&second,1000);}
+ bool ApplyPair(){return service.ApplyInterceptPair(&task,&order,&second,2000);}
+};
+int main(){
+ {PairCase f;auto a=f.unit.Waypoint;auto b=f.b.unit.Waypoint;float da=f.unit.LegDeadline,db=f.b.unit.LegDeadline;
+ assert(f.ReservePair());assert(f.service.InterceptCurrent(&f.task,&f.order)&&f.service.InterceptCurrent(&f.task,&f.second));
+ assert(f.unit.Waypoint==a&&f.b.unit.Waypoint==b&&!f.unit.InterceptActive&&!f.b.unit.InterceptActive&&f.unit.LegDeadline==da&&f.b.unit.LegDeadline==db);
+ assert(f.ApplyPair());assert(f.unit.InterceptActive&&f.b.unit.InterceptActive&&f.unit.InterceptWaypoint!=f.b.unit.InterceptWaypoint);
+ assert(f.unit.InterceptWaypoint->radius==15&&f.b.unit.InterceptWaypoint->radius==15&&f.unit.RouteIndex==0&&f.b.unit.RouteIndex==0);
+ assert(!f.ApplyPair());f.vehicle.position=f.order.Position;f.b.vehicle.position=f.second.Position;
+ f.unit.Tick(&f.mode,&f.route,3000);f.b.unit.Tick(&f.mode,&f.route,3000);
+ assert(f.unit.InterceptActive&&f.b.unit.InterceptActive&&!f.unit.InterceptWaypoint&&!f.b.unit.InterceptWaypoint);
+ f.unit.Tick(&f.mode,&f.route,121000);f.b.unit.Tick(&f.mode,&f.route,121000);
+ assert(!f.unit.InterceptToken&&!f.b.unit.InterceptToken&&f.unit.Waypoint&&f.b.unit.Waypoint);
+ }
+ for(int bad=0;bad<19;bad++){PairCase f;auto a=f.unit.Waypoint;auto b=f.b.unit.Waypoint;
+ if(bad==0)f.second.Token=f.order.Token;
+ if(bad==1)f.second.Group=f.order.Group;
+ if(bad==2)f.second.VehicleIndex=0;
+ if(bad==3)f.second.Position.x=739;
+ if(bad==4)f.second.Position.x=NAN;
+ if(bad==5)f.second.BeliefId++;
+ if(bad==6)f.second.BeliefRevision++;
+ if(bad==7)f.second.ReportId++;
+ if(bad==8)f.second.ObservedAt++;
+ if(bad==9)f.second.IssuedAt++;
+ if(bad==10)f.second.ExpiresAt++;
+ if(bad==11)f.second.SourceId="foreign";
+ if(bad==12)f.b.driver.player=true;
+ if(bad==13)f.b.seat.occupant=nullptr;
+ if(bad==14)f.fillers[0].SupplyToken=9;
+ if(bad==15)f.fillers[0].Combat->Held=true;
+ if(bad==16)f.mode.command.tokens[&f.b.group]=0;
+ if(bad==17)f.b.unit.Entity=&f.vehicle;
+ if(bad==18){f.order.ExpiresAt=121001;f.second.ExpiresAt=121001;}
+ assert(!f.ReservePair()&&!f.unit.InterceptToken&&!f.b.unit.InterceptToken&&f.unit.Waypoint==a&&f.b.unit.Waypoint==b);
+ }
+ // Claim two fails after claim one: spent token cannot be reused, route untouched.
+ {PairCase f;assert(f.b.unit.ClaimIntercept(&f.mode,&f.second));f.b.unit.ClearIntercept(&f.second);
+ auto a=f.unit.Waypoint;auto b=f.b.unit.Waypoint;float deadline=f.unit.LegDeadline;
+ assert(!f.ReservePair());assert(!f.unit.InterceptToken&&!f.b.unit.InterceptToken&&f.unit.Waypoint==a&&f.b.unit.Waypoint==b&&f.unit.LegDeadline==deadline);
+ }
+ // Global exclusion includes a different original task; never steal its claim.
+ {PairCase f;ERR_ConvoyTask other;ERR_ConvoyVehicle owned;owned.InterceptToken=400099;other.Vehicles={&owned};f.service.m_Tasks.Insert(&other);
+ assert(!f.ReservePair()&&owned.InterceptToken==400099&&!f.unit.InterceptToken);}
+ for(int allocation=1;allocation<=2;allocation++){PairCase f;assert(f.ReservePair());auto a=f.unit.Waypoint;auto b=f.b.unit.Waypoint;int deletes=SCR_EntityHelper::deletes,adds=f.group.adds+f.b.group.adds,removes=f.group.removes+f.b.group.removes;
+ ERR_Actors::failAt=ERR_Actors::spawns+allocation;assert(!f.ApplyPair());ERR_Actors::failAt=0;
+ assert(!f.unit.InterceptActive&&!f.b.unit.InterceptActive&&f.unit.Waypoint==a&&f.b.unit.Waypoint==b);
+ assert(SCR_EntityHelper::deletes==deletes+allocation-1);
+ assert(f.group.adds+f.b.group.adds==adds&&f.group.removes+f.b.group.removes==removes);
+ assert(f.unit.Entity==&f.vehicle&&f.b.unit.Entity==&f.b.vehicle&&f.unit.Driver==&f.driver&&f.b.unit.Driver==&f.b.driver);
+ }
+ // Allocation may revoke original crew. Both prepared handles are deleted before either route changes.
+ {PairCase f;assert(f.ReservePair());auto a=f.unit.Waypoint;auto b=f.b.unit.Waypoint;int deletes=SCR_EntityHelper::deletes;
+ ERR_Actors::onSpawn=[&](){f.b.driver.alive=false;};assert(!f.ApplyPair());ERR_Actors::onSpawn={};
+ assert(f.unit.Waypoint==a&&f.b.unit.Waypoint==b&&SCR_EntityHelper::deletes==deletes+2);}
+ // Immutable claimed destinations: changing both orders together is still rejected.
+ {PairCase f;assert(f.ReservePair());f.order.Position.x+=100;f.second.Position.x+=100;assert(!f.ApplyPair()&&!f.unit.InterceptActive&&!f.b.unit.InterceptActive);}
+ // Native removal and AddWaypoint may synchronously cancel the pair.
+ for(int boundary=0;boundary<3;boundary++){PairCase f;assert(f.ReservePair());int a=f.group.adds,b=f.b.group.adds;
+ auto cancel=[&](){f.service.ReleaseIntercept(&f.task,&f.order,2000);f.service.ReleaseIntercept(&f.task,&f.second,2000);};
+ if(boundary==0)f.group.onRemove=[&](){f.mode.command.tokens[&f.b.group]=0;};
+ if(boundary==1)f.group.onAdd=cancel;
+ if(boundary==2)f.b.group.onAdd=cancel;
+ assert(!f.ApplyPair());assert(!f.unit.InterceptToken&&!f.b.unit.InterceptToken&&!f.unit.InterceptActive&&!f.b.unit.InterceptActive);
+ assert(f.b.group.adds==b+(boundary==2));assert(f.group.adds==a+(boundary!=0));
+ }
+ // Per-member release remains exact and never steals a foreign public waypoint.
+ {PairCase f;assert(f.ReservePair());assert(f.ApplyPair());AIWaypoint foreign;f.b.unit.InterceptWaypoint=&foreign;
+ f.service.ReleaseIntercept(&f.task,&f.order,3000);assert(!f.unit.InterceptToken&&f.b.unit.InterceptToken==400002);
+ f.service.ReleaseIntercept(&f.task,&f.second,3000);assert(f.b.unit.InterceptWaypoint==&foreign&&!f.b.unit.InterceptToken);}
+}
+'''
+h.run(cpp)
+print('PASS: actual pair admission, rollback, native allocation/revocation boundaries, per-member ownership, hold and expiry')