From bfb1b8be7d9b1eda2986e0d341b19ad917e0bafe Mon Sep 17 00:00:00 2001
From: bojyyy <140468434+bojyyy@users.noreply.github.com>
Date: Tue, 5 Sep 2023 22:14:20 +1000
Subject: [PATCH] Adds a new Task, SpawnWaveTask. Currently, this is a task
 attached to the player entity which spawns a new wave of mobs at 10 second
 intervals

---
 .../csse3200/game/areas/ForestGameArea.java   |  2 +
 .../game/components/tasks/SpawnWaveTask.java  | 41 +++++++++++++++++++
 .../game/entities/factories/NPCFactory.java   |  1 +
 .../entities/factories/PlayerFactory.java     | 10 ++++-
 4 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 source/core/src/main/com/csse3200/game/components/tasks/SpawnWaveTask.java

diff --git a/source/core/src/main/com/csse3200/game/areas/ForestGameArea.java b/source/core/src/main/com/csse3200/game/areas/ForestGameArea.java
index 8bfe9b562..ca39f9218 100644
--- a/source/core/src/main/com/csse3200/game/areas/ForestGameArea.java
+++ b/source/core/src/main/com/csse3200/game/areas/ForestGameArea.java
@@ -139,6 +139,7 @@ public void create() {
     spawnBuilding2();
     spawnMountains();
     player = spawnPlayer();
+    player.getEvents().addListener("spawnWave", this::spawnXenoGrunts);
 
     playMusic();
 
@@ -312,6 +313,7 @@ private void spawnProjectile(Vector2 position, Entity target, int space,  int di
 
   // }
 
+
   private void spawnXenoGrunts() {
     GridPoint2 minPos = terrain.getMapBounds(0).sub(1, 5);
     GridPoint2 maxPos = terrain.getMapBounds(0).sub(1, 25);
diff --git a/source/core/src/main/com/csse3200/game/components/tasks/SpawnWaveTask.java b/source/core/src/main/com/csse3200/game/components/tasks/SpawnWaveTask.java
new file mode 100644
index 000000000..cb326b8b4
--- /dev/null
+++ b/source/core/src/main/com/csse3200/game/components/tasks/SpawnWaveTask.java
@@ -0,0 +1,41 @@
+package com.csse3200.game.components.tasks;
+
+import com.badlogic.gdx.math.Vector2;
+import com.csse3200.game.ai.tasks.DefaultTask;
+import com.csse3200.game.ai.tasks.PriorityTask;
+import com.csse3200.game.ai.tasks.Task;
+import com.csse3200.game.services.GameTime;
+import com.csse3200.game.services.ServiceLocator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SpawnWaveTask extends DefaultTask implements PriorityTask {
+    private static final Logger logger = LoggerFactory.getLogger(SpawnWaveTask.class);
+    private final GameTime globalTime;
+    private long endTime;
+
+    private final int SPAWNING_INTERVAL = 10;
+
+    public SpawnWaveTask() {
+        this.globalTime = ServiceLocator.getTimeSource();
+    }
+
+    @Override
+    public int getPriority() {
+        return 10; // Low priority task
+    }
+
+    @Override
+    public void start() {
+        super.start();
+        endTime = globalTime.getTime() + (SPAWNING_INTERVAL * 1000);
+    }
+
+    @Override
+    public void update() {
+        if (globalTime.getTime() >= endTime) {
+            this.owner.getEntity().getEvents().trigger("spawnWave");
+            endTime = globalTime.getTime() + (SPAWNING_INTERVAL * 1000L); // reset end time
+        }
+    }
+}
diff --git a/source/core/src/main/com/csse3200/game/entities/factories/NPCFactory.java b/source/core/src/main/com/csse3200/game/entities/factories/NPCFactory.java
index f92cb8dec..ba6eb927e 100644
--- a/source/core/src/main/com/csse3200/game/entities/factories/NPCFactory.java
+++ b/source/core/src/main/com/csse3200/game/entities/factories/NPCFactory.java
@@ -9,6 +9,7 @@
 import com.csse3200.game.components.npc.XenoAnimationController;
 import com.csse3200.game.components.TouchAttackComponent;
 import com.csse3200.game.components.tasks.MobAttackTask;
+import com.csse3200.game.components.tasks.SpawnWaveTask;
 import com.csse3200.game.components.tasks.WanderTask;
 import com.csse3200.game.entities.Entity;
 import com.csse3200.game.entities.Melee;
diff --git a/source/core/src/main/com/csse3200/game/entities/factories/PlayerFactory.java b/source/core/src/main/com/csse3200/game/entities/factories/PlayerFactory.java
index 6a407c950..a76b2a6ca 100644
--- a/source/core/src/main/com/csse3200/game/entities/factories/PlayerFactory.java
+++ b/source/core/src/main/com/csse3200/game/entities/factories/PlayerFactory.java
@@ -1,9 +1,14 @@
 package com.csse3200.game.entities.factories;
 
+import com.badlogic.gdx.math.Vector2;
+import com.csse3200.game.ai.tasks.AITaskComponent;
 import com.csse3200.game.components.CombatStatsComponent;
 import com.csse3200.game.components.player.InventoryComponent;
 import com.csse3200.game.components.player.PlayerActions;
 import com.csse3200.game.components.player.PlayerStatsDisplay;
+import com.csse3200.game.components.tasks.MobAttackTask;
+import com.csse3200.game.components.tasks.SpawnWaveTask;
+import com.csse3200.game.components.tasks.WanderTask;
 import com.csse3200.game.entities.Entity;
 import com.csse3200.game.entities.configs.PlayerConfig;
 import com.csse3200.game.files.FileLoader;
@@ -33,7 +38,9 @@ public class PlayerFactory {
   public static Entity createPlayer() {
     InputComponent inputComponent =
         ServiceLocator.getInputService().getInputFactory().createForPlayer();
-
+    AITaskComponent aiComponent =
+            new AITaskComponent()
+                    .addTask(new SpawnWaveTask());
     Entity player =
         new Entity()
             .addComponent(new TextureRenderComponent("images/box_boy_leaf.png"))
@@ -44,6 +51,7 @@ public static Entity createPlayer() {
             .addComponent(new CombatStatsComponent(stats.health, stats.baseAttack))
             .addComponent(new InventoryComponent(stats.gold))
             .addComponent(inputComponent)
+            .addComponent(aiComponent)
             .addComponent(new PlayerStatsDisplay());
 
     PhysicsUtils.setScaledCollider(player, 0.6f, 0.3f);