From 9af18466c072e538b263dae8c0781d02c7c65a05 Mon Sep 17 00:00:00 2001
From: Martin Schmidt <martin.schmidt@freemine.de>
Date: Tue, 18 Jun 2024 13:18:07 +0200
Subject: [PATCH] feat: sprinting functionality

---
 .../de/dhbw/tinf22b6/gameobject/Player.java   | 24 ++++++++++++++++++-
 .../dhbw/tinf22b6/util/PlayerStatistics.java  |  4 ++++
 .../dhbw/tinf22b6/world/WorldController.java  | 10 ++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/game/core/src/main/de/dhbw/tinf22b6/gameobject/Player.java b/game/core/src/main/de/dhbw/tinf22b6/gameobject/Player.java
index df965a6..cdee79c 100644
--- a/game/core/src/main/de/dhbw/tinf22b6/gameobject/Player.java
+++ b/game/core/src/main/de/dhbw/tinf22b6/gameobject/Player.java
@@ -32,6 +32,8 @@ public class Player extends MobGameObject {
     private float dodgeStateTime;
     private boolean movedDuringDash;
     private GameObject interactionTarget;
+    private boolean isSprinting;
+    private float timeToRegenStamina;
 
     public Player(Vector2 position, Camera camera) {
         super("c1", position, Constants.PLAYER_BIT);
@@ -39,6 +41,7 @@ public Player(Vector2 position, Camera camera) {
         this.dodgeAnimation = new Animation<>(0.1f, Assets.instance.getAnimationAtlasRegion("priest1_dash"));
         this.speed = 75;
         this.motionVector = new Vector2();
+        this.timeToRegenStamina = 3;
 
         // create Body
         BodyDef bodyDef = new BodyDef();
@@ -151,6 +154,12 @@ public void tick(float delta) {
             setDirection(Direction.DOWN);
         }
 
+        if (!isSprinting) timeToRegenStamina -= delta;
+
+        if (!isSprinting && timeToRegenStamina <= 0) {
+            PlayerStatistics.instance.regenerateStamina(delta);
+        }
+
         dodgeStateTime += delta;
         if (!dodging) {
             pos.x = body.getPosition().x - (float) TILE_SIZE / 2;
@@ -177,7 +186,7 @@ public void applyForce(Vector2 motionVector) {
                     })
                     .start();
         } else {
-            body.setLinearVelocity(motionVector.x * speed, motionVector.y * speed);
+            body.setLinearVelocity(motionVector.x * getSpeed(), motionVector.y * getSpeed());
             pos.x = body.getPosition().x - (float) TILE_SIZE / 2;
             pos.y = body.getPosition().y - (float) TILE_SIZE / 4;
         }
@@ -236,4 +245,17 @@ public Vector2 getMotionVector() {
     public void pickupWeapon() {
         PlayerStatistics.instance.pickupWeapon();
     }
+
+    public void setSprinting() {
+        isSprinting = true;
+    }
+
+    public void stopSprinting() {
+        isSprinting = false;
+        timeToRegenStamina = 3;
+    }
+
+    public float getSpeed() {
+        return isSprinting ? speed * 2 : speed;
+    }
 }
diff --git a/game/core/src/main/de/dhbw/tinf22b6/util/PlayerStatistics.java b/game/core/src/main/de/dhbw/tinf22b6/util/PlayerStatistics.java
index 46852e4..7ddf330 100644
--- a/game/core/src/main/de/dhbw/tinf22b6/util/PlayerStatistics.java
+++ b/game/core/src/main/de/dhbw/tinf22b6/util/PlayerStatistics.java
@@ -173,4 +173,8 @@ public float getStamina() {
     public void decreaseStamina(float delta) {
         this.stamina -= delta;
     }
+
+    public void regenerateStamina(float delta) {
+        if (stamina <= 100) stamina += delta * 5;
+    }
 }
diff --git a/game/core/src/main/de/dhbw/tinf22b6/world/WorldController.java b/game/core/src/main/de/dhbw/tinf22b6/world/WorldController.java
index 499521f..30dd337 100644
--- a/game/core/src/main/de/dhbw/tinf22b6/world/WorldController.java
+++ b/game/core/src/main/de/dhbw/tinf22b6/world/WorldController.java
@@ -30,6 +30,7 @@ public class WorldController extends InputAdapter {
     private final int inventory = prefs.getInteger("inventory", Input.Keys.I);
     private final int interact = prefs.getInteger("interact", Input.Keys.E);
     private final int dodge = prefs.getInteger("dodge", Input.Keys.SPACE);
+    private final int run = prefs.getInteger("run", Input.Keys.SHIFT_LEFT);
     public CameraHelper cameraHelper;
     public boolean debugBox2D = false;
     private Game game;
@@ -134,6 +135,12 @@ public void update(float deltaTime) {
     }
 
     private void handleInput(float deltaTime) {
+        if (Gdx.input.isKeyPressed(run) && PlayerStatistics.instance.canSprint()) {
+            PlayerStatistics.instance.decreaseStamina(deltaTime * 20);
+        }
+        if (Gdx.input.isKeyPressed(run) && !PlayerStatistics.instance.canSprint()) {
+            EntitySystem.instance.getPlayer().stopSprinting();
+        }
         // Camera Controls (move)
         float camMoveSpeed = 32 * deltaTime;
         float camMoveSpeedAccelerationFactor = 5;
@@ -161,6 +168,7 @@ public boolean touchDown(int screenX, int screenY, int pointer, int button) {
 
     @Override
     public boolean keyDown(int keycode) {
+        if (keycode == run) EntitySystem.instance.getPlayer().setSprinting();
         // Set Motion Vector
         pressedKeys.add(keycode);
         if (keycode == interact) player.interact(player);
@@ -183,6 +191,8 @@ public boolean scrolled(float amountX, float amountY) {
 
     @Override
     public boolean keyUp(int keycode) {
+        if (keycode == run) EntitySystem.instance.getPlayer().stopSprinting();
+
         // Reset Motion Vector
         pressedKeys.remove(keycode);
         if (keycode == Input.Keys.ENTER) {