Base functionality for MapObject placement

AdventurePlayerController.cpp

@@ -6,18 +6,27 @@
 #include "HexTile.h"
 #include "AdventureCameraPawn.h"
 #include "AdventureCharacter.h"
+#include "MapObject.h"
 
 
 AAdventurePlayerController::AAdventurePlayerController() 
 {
 	PrimaryActorTick.bCanEverTick = true;
 	PrimaryActorTick.bStartWithTickEnabled = true;
-	
+    AutoReceiveInput = EAutoReceiveInput::Player0;
 }
 void AAdventurePlayerController::BeginPlay()
 {
     Super::BeginPlay();
     World = GetWorld();
+    HoveredHex = CurrentHex;
+}
+// Called every frame
+void AAdventurePlayerController::Tick(float DeltaTime)
+{
+    Super::Tick(DeltaTime);
+
+    if (bInPlacementMode) { FitOnGrid(PlaceObj); }
 }
 
 void AAdventurePlayerController::SetupInputComponent()
@@ -26,18 +35,41 @@ void AAdventurePlayerController::SetupInputComponent()
     Super::SetupInputComponent();
 
     // This is initialized on startup, you can go straight to binding
-    // InputComponent->BindAction("LeftClick", IE_Pressed, this, &AAdventurePlayerController::AdvClick);
+    InputComponent->BindAction("LeftClick", IE_Pressed, this, &AAdventurePlayerController::LeftClick);
+    InputComponent->BindAction("DebugAlt", IE_Pressed, this, &AAdventurePlayerController::TogglePlacing); // Change binding eventually
 }
 
-void AAdventurePlayerController::AdvClick()
+void AAdventurePlayerController::LeftClick()
 {
-    FHitResult Hit;
-    GetHitResultUnderCursor(ECollisionChannel::ECC_Vehicle,false,Hit);
+    if (bInPlacementMode) { PlaceObject(PlaceObjClass, HoveredHex); }
+}
 
-    if (IsValid(Hit.GetActor()))
-    {
-        AHexTile* HitHex = (AHexTile*)Hit.GetActor();
-        // MapRef->FindPathAStar(CurrentHex, HitHex);
-        // UE_LOG(LogTemp, Warning, TEXT("%d"), HitHex->Index);
+void AAdventurePlayerController::TogglePlacing()
+{
+    bInPlacementMode = !bInPlacementMode;
+    if (bInPlacementMode) {
+        PlaceObj = World->SpawnActor<AMapObject>(PlaceObjClass, FTransform());
     }
+    else { if (IsValid(PlaceObj)) { PlaceObj->Destroy(); } }
+}
+
+void AAdventurePlayerController::FitOnGrid(AMapObject* MapObject)
+{
+    if (!IsValid(HoveredHex)) { return; }
+    if (HoveredHex->bFree) {
+        MapObject->SetActorLocation(FVector(HoveredHex->GetActorLocation()));
+    }
+}
+
+// called from BP; generally takes the Hex under the player cursor as argument
+void AAdventurePlayerController::PlaceObject(TSubclassOf<AMapObject> MapObjClass, AHexTile* OnHex)
+{
+	// spawn this Actor at World location of Origin Hex;
+    AMapObject* SpawnedObj = World->SpawnActor<AMapObject>(MapObjClass, FTransform(OnHex->GetActorTransform().GetLocation()));
+    // Origin = OnHex;
+    SpawnedObj->Origin = OnHex;
+	// set Hexes to bOccupied according to BlockVectors;
+    OnHex->bFree = false;
+	// set bPlacementMode = false;
+	// 
 }