add ConsiderGenerateTile()

Author: larsjsol

Source/Navgrid/Classes/GridPawn.h

@@ -118,7 +118,7 @@ class NAVGRID_API AGridPawn : public APawn, public IGenericTeamAgentInterface
 template <class T>
 T *GetTile() const { return Cast<T>(GetTile()); }
 
-/* Return current tile, if this is NULL consider generating a virtual tile at our feet and returing that*/
+/* Place a tile under our feet if there is not alrady one there. Returne the tile under our feet */
 UNavTileComponent *ConsiderGenerateVirtualTile();
 template <class T>
 T *ConsiderGenerateVirtualTile() { return Cast<T>(ConsiderGenerateVirtualTile()); }

Source/Navgrid/Classes/NavGrid.h

@@ -135,9 +135,9 @@ class NAVGRID_API ANavGrid : public AActor
 /* place a single virtual tile under a pawn */
 UFUNCTION(BlueprintCallable, Category = "Pathfinding")
 void GenerateVirtualTile(const AGridPawn *Pawn);
+UNavTileComponent *ConsiderGenerateVirtualTile(const FVector &TileLocation);
 void DestroyVirtualTiles();
 virtual void Destroyed() override;
-
 public:
 /** return every tile in the supplied world */
 static void GetEveryTile(TArray<UNavTileComponent* > &OutTiles, UWorld *World);

Source/Navgrid/Private/GridPawn.cpp

@@ -228,7 +228,7 @@ UNavTileComponent *AGridPawn::ConsiderGenerateVirtualTile()
 {
 if (!IsValid(MovementComponent->GetTile()) && MovementComponent->GetNavGrid()->EnableVirtualTiles)
 {
-GenerateVirtualTiles();
+return MovementComponent->GetNavGrid()->ConsiderGenerateVirtualTile(GetActorLocation());
 }
 return MovementComponent->GetTile();
 }

Source/Navgrid/Private/NavGrid.cpp

@@ -405,6 +405,16 @@ void ANavGrid::GenerateVirtualTile(const AGridPawn * Pawn)
 }
 }
 
+UNavTileComponent * ANavGrid::ConsiderGenerateVirtualTile(const FVector & TileLocation)
+{
+UNavTileComponent *TileComp = ConsiderPlaceTile(TileLocation + FVector(0, 0, TileSize), TileLocation - FVector(0, 0, TileSize));
+if (TileComp)
+{
+VirtualTiles.Add(TileComp);
+}
+return TileComp;
+}
+
 void ANavGrid::DestroyVirtualTiles()
 {
 for (UNavTileComponent *T : VirtualTiles)