Replace screen edge spawn system with simple distance-based spawning

Source/MyProject3/SpaceShooterGameMode.cpp

@@ -106,12 +106,11 @@ void ASpaceShooterGameMode::SpawnEnemy()
         switch (CurrentPattern)
         {
         case ESpawnPattern::Random:
-            // Spawn a single enemy at a random edge location
         {
             UWorld* World = GetWorld();
             if (World && EnemyClass)
             {
-                FVector SpawnLocation = GetScreenEdgeSpawnLocation();
+                FVector SpawnLocation = GetRandomSpawnLocation();
                 FRotator SpawnRotation = FRotator::ZeroRotator;
                 FActorSpawnParameters SpawnParams;
                 SpawnParams.SpawnCollisionHandlingOverride =
@@ -145,44 +144,29 @@ void ASpaceShooterGameMode::SpawnEnemy()
 
 void ASpaceShooterGameMode::SpawnEnemyWave()
 {
-    // Count current enemies
-    TArray<AActor*> FoundEnemies;
-    UGameplayStatics::GetAllActorsOfClass(GetWorld(), AEnemySpaceship::StaticClass(), FoundEnemies);
-
-    // Only spawn if we haven't reached the maximum
-    if (FoundEnemies.Num() < MaxEnemies)
-    {
-
     UWorld* World = GetWorld();
     if (!World || !EnemyClass)
         return;
 
-        // Choose a random direction for the wave
-        float WaveAngle = FMath::RandRange(0.0f, 2.0f * PI);
-        FVector2D EdgeDirection(FMath::Cos(WaveAngle), FMath::Sin(WaveAngle));
-
     // Get player location for facing direction
     FVector PlayerLocation = GetPlayerLocation();
 
-        // Get screen bounds
+    // Choose a random angle for the wave
-        TArray<FVector2D> ScreenBounds = GetScreenBounds();
+    float WaveAngle = FMath::RandRange(0.0f, 2.0f * PI);
-        float ScreenWidth = ScreenBounds[1].X - ScreenBounds[0].X;
+    FVector2D BaseDirection(FMath::Cos(WaveAngle), FMath::Sin(WaveAngle));
 
-        // Create a line of enemies perpendicular to the direction
+    // Create a perpendicular direction for the wave line
-        FVector2D PerpDirection(-EdgeDirection.Y, EdgeDirection.X);
+    FVector2D PerpDirection(-BaseDirection.Y, BaseDirection.X);
 
-        // Spawn wave of enemies - increased distance from 2000 to MinimumSpawnDistance
+    // Spawn wave of enemies
     for (int32 i = 0; i < WaveSize; i++)
     {
-            FVector ProposedLocation;
+        // Calculate base spawn position
-            ProposedLocation.X = PlayerLocation.X + (EdgeDirection.X * MinimumSpawnDistance) +
+        FVector BaseSpawnPos = PlayerLocation + FVector(BaseDirection.X, BaseDirection.Y, 0) * MinimumSpawnDistance;
-                (PerpDirection.X * (i - WaveSize / 2) * FormationSpacing);
-            ProposedLocation.Y = PlayerLocation.Y + (EdgeDirection.Y * MinimumSpawnDistance) +
-                (PerpDirection.Y * (i - WaveSize / 2) * FormationSpacing);
-            ProposedLocation.Z = PlayerLocation.Z;
 
-            // Ensure the spawn location is far enough from the player
+        // Offset along the wave line
-            FVector SpawnLocation = EnsureMinimumSpawnDistance(ProposedLocation, PlayerLocation);
+        FVector Offset = FVector(PerpDirection.X, PerpDirection.Y, 0) * (i - WaveSize / 2) * FormationSpacing;
+        FVector SpawnLocation = BaseSpawnPos + Offset;
 
         FRotator SpawnRotation = FRotator::ZeroRotator;
         FActorSpawnParameters SpawnParams;
@@ -198,14 +182,12 @@ void ASpaceShooterGameMode::SpawnEnemyWave()
         }
     }
 
-        // Increase wave counter and possibly switch back to random
     CurrentWaveCount++;
     if (CurrentWaveCount >= 3)
     {
         CurrentPattern = ESpawnPattern::Random;
         CurrentWaveCount = 0;
     }
-    }
 }
 
 void ASpaceShooterGameMode::SpawnEnemyFormation()
@@ -312,22 +294,13 @@ void ASpaceShooterGameMode::SpawnEnemyFormation()
 
 void ASpaceShooterGameMode::SpawnEnemyFlanking()
 {
-    // Count current enemies
-    TArray<AActor*> FoundEnemies;
-    UGameplayStatics::GetAllActorsOfClass(GetWorld(), AEnemySpaceship::StaticClass(), FoundEnemies);
-
-    // Only spawn if we haven't reached the maximum
-    if (FoundEnemies.Num() < MaxEnemies)
-    {
-
     UWorld* World = GetWorld();
     if (!World || !EnemyClass)
         return;
 
-        // Get player location
     FVector PlayerLocation = GetPlayerLocation();
 
-        // Spawn enemies from multiple sides (usually 2-3 sides)
+    // Spawn enemies from multiple sides (2-3 sides)
     int32 NumSides = FMath::RandRange(2, 3);
     float BaseAngle = FMath::RandRange(0.0f, 2.0f * PI);
 
@@ -335,7 +308,6 @@ void ASpaceShooterGameMode::SpawnEnemyFlanking()
     {
         // Calculate angle for this side
         float Angle = BaseAngle + (Side * (2.0f * PI / NumSides));
-            FVector2D Direction(FMath::Cos(Angle), FMath::Sin(Angle));
 
         // Spawn 1-2 enemies from this side
         int32 NumEnemies = FMath::RandRange(1, 2);
@@ -344,13 +316,10 @@ void ASpaceShooterGameMode::SpawnEnemyFlanking()
         {
             // Add some variation to the spawn position
             float OffsetAngle = Angle + FMath::RandRange(-0.3f, 0.3f);
-                FVector2D OffsetDir(FMath::Cos(OffsetAngle), FMath::Sin(OffsetAngle));
+            FVector Direction(FMath::Cos(OffsetAngle), FMath::Sin(OffsetAngle), 0.0f);
 
-                // Increased from 2000 to MinimumSpawnDistance
+            // Calculate spawn position
-                FVector ProposedLocation = PlayerLocation + FVector(OffsetDir.X, OffsetDir.Y, 0) * MinimumSpawnDistance;
+            FVector SpawnLocation = PlayerLocation + (Direction * (MinimumSpawnDistance + FMath::RandRange(0.0f, 300.0f)));
-
-                // Ensure the spawn location is far enough from the player
-                FVector SpawnLocation = EnsureMinimumSpawnDistance(ProposedLocation, PlayerLocation);
 
             FRotator SpawnRotation = FRotator::ZeroRotator;
             FActorSpawnParameters SpawnParams;
@@ -367,108 +336,28 @@ void ASpaceShooterGameMode::SpawnEnemyFlanking()
         }
     }
 
-        // Return to random spawning
     CurrentPattern = ESpawnPattern::Random;
-    }
 }
 
-FVector ASpaceShooterGameMode::GetScreenEdgeSpawnLocation()
+FVector ASpaceShooterGameMode::GetRandomSpawnLocation()
 {
     FVector PlayerLocation = GetPlayerLocation();
-    TArray<FVector2D> ScreenBounds = GetScreenBounds();
 
-    // Decide which edge to spawn from (0 = top, 1 = right, 2 = bottom, 3 = left)
+    // Generate a random angle in radians
-    int32 Edge = FMath::RandRange(0, 3);
-
-    FVector SpawnLocation;
-    float RandomPos;
-
-    // Increased margin to spawn farther from screen edges
-    float ExtendedMargin = ScreenSpawnMargin + 500.0f;
-
-    switch (Edge)
-    {
-    case 0: // Top edge
-        RandomPos = FMath::RandRange(ScreenBounds[0].X, ScreenBounds[1].X);
-        SpawnLocation = FVector(RandomPos, ScreenBounds[0].Y - ExtendedMargin, PlayerLocation.Z);
-        break;
-
-    case 1: // Right edge
-        RandomPos = FMath::RandRange(ScreenBounds[0].Y, ScreenBounds[1].Y);
-        SpawnLocation = FVector(ScreenBounds[1].X + ExtendedMargin, RandomPos, PlayerLocation.Z);
-        break;
-
-    case 2: // Bottom edge
-        RandomPos = FMath::RandRange(ScreenBounds[0].X, ScreenBounds[1].X);
-        SpawnLocation = FVector(RandomPos, ScreenBounds[1].Y + ExtendedMargin, PlayerLocation.Z);
-        break;
-
-    case 3: // Left edge
-        RandomPos = FMath::RandRange(ScreenBounds[0].Y, ScreenBounds[1].Y);
-        SpawnLocation = FVector(ScreenBounds[0].X - ExtendedMargin, RandomPos, PlayerLocation.Z);
-        break;
-    }
-
-    // Ensure the spawn location is far enough from the player
-    return EnsureMinimumSpawnDistance(SpawnLocation, PlayerLocation);
-}
-
-FVector ASpaceShooterGameMode::GetSpawnZoneLocation()
-{
-    // If no spawn zones are defined, return a screen edge location
-    if (SpawnZones.Num() == 0)
-    {
-        return GetScreenEdgeSpawnLocation();
-    }
-
-    // Filter active spawn zones
-    TArray<FSpawnZone> ActiveZones;
-    float TotalWeight = 0.0f;
-
-    for (const FSpawnZone& Zone : SpawnZones)
-    {
-        if (Zone.bActive)
-        {
-            ActiveZones.Add(Zone);
-            TotalWeight += Zone.SpawnWeight;
-        }
-    }
-
-    // If no active zones, return screen edge
-    if (ActiveZones.Num() == 0)
-    {
-        return GetScreenEdgeSpawnLocation();
-    }
-
-    // Select a zone based on weight
-    float RandomWeight = FMath::RandRange(0.0f, TotalWeight);
-    float WeightSum = 0.0f;
-    FVector PlayerLocation = GetPlayerLocation();
-
-    for (const FSpawnZone& Zone : ActiveZones)
-    {
-        WeightSum += Zone.SpawnWeight;
-        if (RandomWeight <= WeightSum)
-        {
-            // Generate random point within this zone's radius
     float RandomAngle = FMath::RandRange(0.0f, 2.0f * PI);
-            float RandomRadius = FMath::RandRange(0.0f, Zone.Radius);
 
-            FVector SpawnOffset(
+    // Create a direction vector from the random angle
-                FMath::Cos(RandomAngle) * RandomRadius,
+    FVector Direction(
-                FMath::Sin(RandomAngle) * RandomRadius,
+        FMath::Cos(RandomAngle),
+        FMath::Sin(RandomAngle),
         0.0f
     );
 
-            FVector ProposedLocation = Zone.Location + SpawnOffset;
+    // Use the minimum spawn distance plus some random additional distance
+    float SpawnDistance = MinimumSpawnDistance + FMath::RandRange(0.0f, 500.0f);
 
-            // Ensure the spawn location is far enough from the player
+    // Calculate the spawn position
-            return EnsureMinimumSpawnDistance(ProposedLocation, PlayerLocation);
+    return PlayerLocation + (Direction * SpawnDistance);
-        }
-    }
-
-    // Fallback
-    return GetScreenEdgeSpawnLocation();
 }
 
 void ASpaceShooterGameMode::UpdateDifficulty()
@@ -499,48 +388,6 @@ FVector ASpaceShooterGameMode::GetPlayerLocation()
     return FVector::ZeroVector;
 }
 
-TArray<FVector2D> ASpaceShooterGameMode::GetScreenBounds()
-{
-    TArray<FVector2D> Bounds;
-    FVector2D ScreenMin, ScreenMax;
-
-    // Get player controller for screen info
-    APlayerController* PlayerController = UGameplayStatics::GetPlayerController(GetWorld(), 0);
-    if (!PlayerController)
-    {
-        // Fallback values if no controller
-        Bounds.Add(FVector2D(-2000, -2000));
-        Bounds.Add(FVector2D(2000, 2000));
-        return Bounds;
-    }
-
-    // Get viewport size
-    int32 ViewportSizeX, ViewportSizeY;
-    PlayerController->GetViewportSize(ViewportSizeX, ViewportSizeY);
-
-    // Get world location of screen corners
-    FVector WorldLocation, WorldDirection;
-
-    // Top-Left corner
-    PlayerController->DeprojectScreenPositionToWorld(0, 0, WorldLocation, WorldDirection);
-    ScreenMin = FVector2D(WorldLocation.X, WorldLocation.Y);
-
-    // Bottom-Right corner
-    PlayerController->DeprojectScreenPositionToWorld(ViewportSizeX, ViewportSizeY, WorldLocation, WorldDirection);
-    ScreenMax = FVector2D(WorldLocation.X, WorldLocation.Y);
-
-    // Add some margin
-    ScreenMin.X -= 200;
-    ScreenMin.Y -= 200;
-    ScreenMax.X += 200;
-    ScreenMax.Y += 200;
-
-    Bounds.Add(ScreenMin);
-    Bounds.Add(ScreenMax);
-
-    return Bounds;
-}
-
 void ASpaceShooterGameMode::RotateTowardsPlayer(AEnemySpaceship* Enemy, const FVector& PlayerLocation)
 {
     if (!Enemy)

Source/MyProject3/SpaceShooterGameMode.h

@@ -109,11 +109,9 @@ private:
     void SpawnEnemyWave();
     void SpawnEnemyFormation();
     void SpawnEnemyFlanking();
-    FVector GetScreenEdgeSpawnLocation();
+	FVector GetRandomSpawnLocation();
-    FVector GetSpawnZoneLocation();
     void UpdateDifficulty();
     FVector GetPlayerLocation();
-    TArray<FVector2D> GetScreenBounds();
     void RotateTowardsPlayer(AEnemySpaceship* Enemy, const FVector& PlayerLocation);
 
     // New helper method to ensure minimum spawn distance