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Recast: add hook bodies for NavMesh functions

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Used for debugging the Detour implementation of the engine.
This commit is contained in:
Kawe Mazidjatari 2024-09-04 00:57:26 +02:00
parent c64f28be25
commit f5c0b428cb
2 changed files with 39 additions and 1 deletions
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33
src/game/server/ai_utility.cpp
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@ -74,6 +74,37 @@ bool Detour_IsGoalPolyReachable(dtNavMesh* const nav, const dtPolyRef fromRef,
return nav->isGoalPolyReachable(fromRef, goalRef, !hasAnimType, traverseTableIndex);
}
//-----------------------------------------------------------------------------
// Purpose: finds the nearest polygon to specified center point.
// Input : *query -
// *center -
// *halfExtents -
// *filter -
// *nearestRef -
// *nearestPt -
// Output: The status flags for the query.
//-----------------------------------------------------------------------------
dtStatus Detour_FindNearestPoly(dtNavMeshQuery* query, const float* center, const float* halfExtents,
const dtQueryFilter* filter, dtPolyRef* nearestRef, float* nearestPt)
{
return query->findNearestPoly(center, halfExtents, filter, nearestRef, nearestPt);
}
//-----------------------------------------------------------------------------
// Purpose: adds a tile to the NavMesh.
// Input : *nav -
// *unused -
// *data -
// *dataSize -
// *flags -
// *lastRef -
// Output: The status flags for the operation.
//-----------------------------------------------------------------------------
dtStatus Detour_AddTile(dtNavMesh* nav, void* unused, unsigned char* data, int dataSize, int flags, dtTileRef lastRef)
{
return nav->addTile(data, dataSize, flags, lastRef, nullptr);
}
//-----------------------------------------------------------------------------
// Purpose: initialize NavMesh and Detour query singleton for level
//-----------------------------------------------------------------------------
@ -213,4 +244,6 @@ void VRecast::Detour(const bool bAttach) const
{
DetourSetup(&v_Detour_IsGoalPolyReachable, &Detour_IsGoalPolyReachable, bAttach);
DetourSetup(&v_Detour_LevelInit, &Detour_LevelInit, bAttach);
//DetourSetup(&dtNavMesh__addTile, &Detour_AddTile, bAttach);
//DetourSetup(&dtNavMeshQuery__findNearestPoly, &Detour_FindNearestPoly, bAttach);
}

7
src/game/server/detour_impl.h
View File

@ -11,7 +11,10 @@ inline void(*v_Detour_LevelInit)(void);
inline void(*v_Detour_FreeNavMesh)(dtNavMesh* mesh);
inline bool(*v_Detour_IsGoalPolyReachable)(dtNavMesh* const nav, const dtPolyRef fromPoly, const dtPolyRef goalPoly, const TraverseAnimType_e animType);
inline dtStatus(*dtNavMesh__Init)(dtNavMesh* thisptr, unsigned char* data, int flags);
inline dtStatus(*dtNavMesh__addTile)(dtNavMesh* thisptr, unsigned char* data, dtMeshHeader* header, int dataSize, int flags, dtTileRef lastRef);
inline dtStatus(*dtNavMesh__addTile)(dtNavMesh* thisptr, void* unused, unsigned char* data, int dataSize, int flags, dtTileRef lastRef);
inline dtStatus(*dtNavMeshQuery__findNearestPoly)(dtNavMeshQuery* query, const float* center, const float* halfExtents,
const dtQueryFilter* filter,
dtPolyRef* nearestRef, float* nearestPt);
constexpr const char* NAVMESH_PATH = "maps/navmesh/";
@ -36,6 +39,7 @@ class VRecast : public IDetour
LogFunAdr("Detour_IsGoalPolyReachable", v_Detour_IsGoalPolyReachable);
LogFunAdr("dtNavMesh::Init", dtNavMesh__Init);
LogFunAdr("dtNavMesh::addTile", dtNavMesh__addTile);
LogFunAdr("dtNavMeshQuery::findNearestPoly", dtNavMeshQuery__findNearestPoly);
LogVarAdr("g_pNavMesh[ NavMeshType_e::NAVMESH_COUNT ]", g_pNavMesh);
LogVarAdr("g_pNavMeshQuery", g_pNavMeshQuery);
}
@ -46,6 +50,7 @@ class VRecast : public IDetour
g_GameDll.FindPatternSIMD("48 89 6C 24 ?? 48 89 74 24 ?? 48 89 7C 24 ?? 41 56 49 63 F1").GetPtr(v_Detour_IsGoalPolyReachable);
g_GameDll.FindPatternSIMD("4C 89 44 24 ?? 53 41 56 48 81 EC ?? ?? ?? ?? 0F 10 11").GetPtr(dtNavMesh__Init);
g_GameDll.FindPatternSIMD("44 89 4C 24 ?? 41 55").GetPtr(dtNavMesh__addTile);
g_GameDll.FindPatternSIMD("4C 8B DC 49 89 4B ?? 41 54 41 57").GetPtr(dtNavMeshQuery__findNearestPoly);
}
virtual void GetVar(void) const
{