"""Compile production travel setup and native spline forwarding for per-trip walking."""
from pathlib import Path
import subprocess,tempfile
root=Path(__file__).resolve().parents[2]
s=(root/'src/server/game/World/ClientlessTravelMgr.cpp').read_text()
a=s.index('bool ClientlessTravelMgr::StartTravel(');b=s.index('void ClientlessTravelMgr::CancelTravel(',a)
start=s[a:b]
a=s.index('    player->GetMotionMaster()->MoveSmoothPath(');b=s.index('    Position const& segmentEnd',a)
launch=s[a:b]
a=s.index('    player->AttackStop();');b=s.index('    player->StopMoving();',a)
cast_setup=s[a:b]
code=r'''
#include <cassert>
#include <cstdint>
#include <string>
#include <unordered_map>
#include <vector>
using uint32=uint32_t;
#define TC_LOG_INFO(...) ((void)0)
struct Position{float GetPositionX()const{return 0;}float GetPositionY()const{return 0;}float GetPositionZ()const{return 0;}};
struct Guid{uint32 GetCounter(){return 26;}};
struct Motion{bool walk=false;int calls=0;void MoveSmoothPath(uint32,Position const*,std::size_t,bool w){walk=w;++calls;}}motion;
struct Player{
 bool blocked=false;int castsStopped=0;void AttackStop(){}bool IsMovementPreventedByCasting(){return blocked;}void CastStop(){++castsStopped;}
 bool IsInWorld(){return true;}Guid GetGUID(){return {};}uint32 GetMapId(){return 0;}Motion* GetMotionMaster(){return &motion;}
};
enum class ClientlessTravelState{Moving};
class ClientlessTravelMgr{
public:
 struct TravelRecord{
  struct{ClientlessTravelState State;uint32 MapId;Position Target;float RemainingDistance=0;}Status;
  bool Walk=false,AllowGroundMount=false,PortalApproach=false;
  std::vector<Position> ActiveSpline;
 };
 std::unordered_map<uint32,TravelRecord> _records;
 bool StartTravel(Player*,Position const&,bool=false,bool=false,bool=false);
 bool LaunchPath(Player* player,TravelRecord& record){
'''
code+=launch+r'''
 return true;}
};
'''+start+'\nvoid prepareMovement(Player* player){\n'+cast_setup+'\n}\n'+r'''
int main(){
 ClientlessTravelMgr mgr;Player p;Position goal;
 prepareMovement(&p);assert(p.castsStopped==0); // native move-allowed channel survives
 p.blocked=true;prepareMovement(&p);assert(p.castsStopped==1);p.blocked=false;
 mgr.StartTravel(&p,goal,false,false,true);
 assert(motion.walk&&mgr._records[26].Walk&&!mgr._records[26].AllowGroundMount);
 mgr.LaunchPath(&p,mgr._records[26]);assert(motion.walk); // repath preserves gait
 mgr.StartTravel(&p,goal,true,false,true);assert(motion.walk&&!mgr._records[26].AllowGroundMount);
 mgr.StartTravel(&p,goal,true);assert(!motion.walk&&!mgr._records[26].Walk&&mgr._records[26].AllowGroundMount);
 mgr.StartTravel(&p,goal,false,true);assert(!motion.walk&&mgr._records[26].PortalApproach);
}
'''
with tempfile.TemporaryDirectory(prefix='vcore-walk-') as folder:
 cpp=Path(folder)/'test.cpp';binary=Path(folder)/'test';cpp.write_text(code)
 subprocess.run(['c++','-std=c++17',str(cpp),'-o',str(binary)],check=True)
 subprocess.run([str(binary)],check=True)
print('Production travel gait reaches native spline, survives repaths, prevents mounting and preserves legacy running defaults.')