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151
source/core/src/main/com/csse3200/game/components/EffectComponent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| package com.csse3200.game.components; | ||
|
|
||
| import com.badlogic.gdx.math.Vector2; | ||
| import com.csse3200.game.ai.tasks.AITaskComponent; | ||
| import com.csse3200.game.components.CombatStatsComponent; | ||
| import com.csse3200.game.components.Component; | ||
| import com.csse3200.game.components.ProjectileEffects; | ||
| import com.csse3200.game.components.tasks.MovementTask; | ||
| import com.csse3200.game.components.tower.TowerUpgraderComponent; | ||
| import com.csse3200.game.entities.Entity; | ||
| import com.csse3200.game.physics.PhysicsLayer; | ||
| import com.csse3200.game.physics.components.HitboxComponent; | ||
| import com.csse3200.game.physics.components.PhysicsMovementComponent; | ||
| import com.csse3200.game.services.GameTime; | ||
| import com.csse3200.game.services.ServiceLocator; | ||
|
|
||
| public class EffectComponent extends Component { | ||
| private static final long EFFECT_DURATION = 5000; | ||
| private final GameTime gameTime; | ||
| // effect flags | ||
| private boolean burnFlag; | ||
| private boolean slowFlag; | ||
| private boolean isSlowed; | ||
| private boolean stunFlag; | ||
| private boolean isStunned; | ||
| private boolean mob; | ||
| private Entity host; | ||
| private Entity target; | ||
| private long lastTimeBurned; | ||
| private long burnTime; | ||
| private long slowTime; | ||
| private long stunTime; | ||
| private Vector2 initialSpeed; | ||
| private static final Vector2 STUN_SPEED = new Vector2(0f,0f); | ||
| private static final long BURN_TICK = 1000; | ||
|
|
||
| public EffectComponent(boolean mob) { | ||
| this.mob = mob; | ||
| this.gameTime = ServiceLocator.getTimeSource(); | ||
| } | ||
|
|
||
| public void start() { | ||
| burnTime = 0; | ||
| slowTime = 0; | ||
| stunTime = 0; | ||
| } | ||
|
|
||
| @Override | ||
| public void update() { | ||
| // update effect flags | ||
| burnFlag = burnTime > gameTime.getTime(); | ||
| slowFlag = slowTime > gameTime.getTime(); | ||
| stunFlag = stunTime > gameTime.getTime(); | ||
|
|
||
| // apply burn effect | ||
| if (burnFlag && gameTime.getTime() > lastTimeBurned + BURN_TICK) { | ||
| burnEffect(); | ||
| } | ||
|
|
||
| // apply slow effect | ||
| if (slowFlag && !isSlowed) { | ||
| slowEffect(2); | ||
| } else if (!slowFlag && isSlowed) { | ||
| isSlowed = false; | ||
| slowEffect(5); | ||
| } | ||
|
|
||
| // apply stun effect | ||
| if (mob) { | ||
| if (stunFlag) { | ||
| if (initialSpeed == null) { | ||
| return; | ||
| } | ||
| target.getComponent(PhysicsMovementComponent.class).setSpeed(STUN_SPEED); | ||
| } else { | ||
| if (target == null) { | ||
| return; | ||
| } | ||
| target.getComponent(PhysicsMovementComponent.class).setSpeed(initialSpeed); | ||
| } | ||
| } else { | ||
| if (stunFlag && !isStunned) { | ||
| stunEffect(true); | ||
| } else if (!stunFlag && isStunned) { | ||
| stunEffect(false); | ||
| } | ||
| } | ||
| } | ||
| public void applyEffect(ProjectileEffects effect, Entity host, Entity target) { | ||
| this.host = host; | ||
| this.target = target; | ||
| switch (effect) { | ||
| case BURN -> { | ||
| burnFlag = true; | ||
| burnTime = gameTime.getTime() + EFFECT_DURATION; | ||
| lastTimeBurned = gameTime.getTime(); | ||
| } | ||
| case SLOW -> { | ||
| slowFlag = true; | ||
| slowTime = gameTime.getTime() + EFFECT_DURATION; | ||
| } | ||
| case STUN -> { | ||
| stunFlag = true; | ||
| stunTime = gameTime.getTime() + EFFECT_DURATION; | ||
| initialSpeed = entity.getComponent(PhysicsMovementComponent.class).getSpeed(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private void burnEffect() { | ||
| CombatStatsComponent hostCombat = this.host.getComponent(CombatStatsComponent.class); | ||
| CombatStatsComponent targetCombat = this.target.getComponent(CombatStatsComponent.class); | ||
| targetCombat.hit(hostCombat); | ||
| lastTimeBurned = gameTime.getTime(); | ||
| } | ||
|
|
||
| private void slowEffect(int amount) { | ||
| isSlowed = true; | ||
| if (PhysicsLayer.contains(PhysicsLayer.HUMANS, | ||
| target.getComponent(HitboxComponent.class).getLayer())) { | ||
| // if slowing human | ||
| target.getEvents().trigger("upgradeTower", | ||
| TowerUpgraderComponent.UPGRADE.FIRERATE, amount); | ||
| } else if (PhysicsLayer.contains(PhysicsLayer.NPC, | ||
| target.getComponent(HitboxComponent.class).getLayer())) { | ||
| // if slowing npc | ||
| PhysicsMovementComponent targetPhysics = target.getComponent( | ||
| PhysicsMovementComponent.class); | ||
| if (targetPhysics == null) { | ||
| return; | ||
| } | ||
|
|
||
| // Halve the mob speed | ||
| targetPhysics.setSpeed(new Vector2(targetPhysics.getSpeed().x/2, | ||
| targetPhysics.getSpeed().y/2)); | ||
| } | ||
| } | ||
|
|
||
| private void stunEffect(boolean stunned) { | ||
| isStunned = true; | ||
| AITaskComponent targetAI = target.getComponent(AITaskComponent.class); | ||
| if (targetAI == null) { | ||
| return; | ||
| } | ||
| if (stunned) { | ||
| targetAI.disposeAll(); | ||
| } else { | ||
| targetAI.restore(); | ||
| } | ||
| } | ||
| } |
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