Added different gun characteristics.

client/src/main/java/nl/andrewlalis/aos_client/Client.java

@@ -130,11 +130,14 @@ public class Client {
 	}
 
 	public void sendChat() {
+		String message = this.chatBuffer.toString().trim();
+		if (!message.isBlank()) {
 			try {
-			this.messageTransceiver.send(new PlayerChatMessage(this.playerId, this.chatBuffer.toString()));
+				this.messageTransceiver.send(new PlayerChatMessage(this.playerId, message));
 			} catch (IOException e) {
 				e.printStackTrace();
 			}
+		}
 		this.setChatting(false);
 	}
 

client/src/main/java/nl/andrewlalis/aos_client/control/PlayerKeyListener.java

@@ -14,9 +14,11 @@ public class PlayerKeyListener extends KeyAdapter {
 
 	@Override
 	public void keyTyped(KeyEvent e) {
-		if (!this.client.isChatting() && (e.getKeyChar() == 't' || e.getKeyChar() == '/')) {
+		if (!this.client.isChatting()) {
+			if ((e.getKeyChar() == 't' || e.getKeyChar() == '/')) {
 				this.client.setChatting(true);
 				if (e.getKeyChar() == '/') this.client.appendToChat('/');
+			}
 		} else if (this.client.isChatting()) {
 			char c = e.getKeyChar();
 			if (c >= ' ' && c <= '~') {
@@ -43,6 +45,8 @@ public class PlayerKeyListener extends KeyAdapter {
 			state.setMovingLeft(true);
 		} else if (e.getKeyCode() == KeyEvent.VK_D) {
 			state.setMovingRight(true);
+		} else if (e.getKeyCode() == KeyEvent.VK_R) {
+			state.setReloading(true);
 		}
 		this.client.sendPlayerState();
 	}
@@ -59,6 +63,8 @@ public class PlayerKeyListener extends KeyAdapter {
 			state.setMovingLeft(false);
 		} else if (e.getKeyCode() == KeyEvent.VK_D) {
 			state.setMovingRight(false);
+		} else if (e.getKeyCode() == KeyEvent.VK_R) {
+			state.setReloading(false);
 		}
 		this.client.sendPlayerState();
 	}

client/src/main/java/nl/andrewlalis/aos_client/view/GamePanel.java

@@ -2,6 +2,7 @@ package nl.andrewlalis.aos_client.view;
 
 import nl.andrewlalis.aos_client.Client;
 import nl.andrewlalis.aos_core.model.*;
+import nl.andrewlalis.aos_core.model.tools.Gun;
 import nl.andrewlalis.aos_core.net.chat.ChatMessage;
 import nl.andrewlalis.aos_core.net.chat.PlayerChatMessage;
 import nl.andrewlalis.aos_core.net.chat.SystemChatMessage;
@@ -48,6 +49,7 @@ public class GamePanel extends JPanel {
 		World world = client.getWorld();
 		if (world != null) drawWorld(g2, world);
 		drawChat(g2, world);
+		drawStatus(g2, world);
 	}
 
 	private void drawWorld(Graphics2D g2, World world) {
@@ -177,4 +179,17 @@ public class GamePanel extends JPanel {
 			g2.drawString("> " + this.client.getCurrentChatBuffer(), 5, height * 11);
 		}
 	}
+
+	private void drawStatus(Graphics2D g2, World world) {
+		Player myPlayer = world.getPlayers().get(this.client.getPlayerId());
+		if (myPlayer == null) return;
+
+		g2.setColor(Color.WHITE);
+		if (myPlayer.isReloading()) {
+			g2.drawString("Reloading...", 5, this.getHeight() - 10);
+		}
+		Gun gun = myPlayer.getGun();
+		g2.drawString("Clips: " + gun.getClipCount() + " / " + gun.getMaxClipCount(), 5, this.getHeight() - 20);
+		g2.drawString("Bullets: " + gun.getCurrentClipBulletCount() + " / " + gun.getClipSize(), 5, this.getHeight() - 30);
+	}
 }

core/src/main/java/module-info.java

@@ -4,4 +4,5 @@ module aos_core {
 	exports nl.andrewlalis.aos_core.model to aos_server, aos_client;
 	exports nl.andrewlalis.aos_core.geom to aos_server, aos_client;
 	exports nl.andrewlalis.aos_core.net.chat to aos_client, aos_server;
+	exports nl.andrewlalis.aos_core.model.tools to aos_client, aos_server;
 }

core/src/main/java/nl/andrewlalis/aos_core/model/Bullet.java

@@ -1,13 +1,23 @@
 package nl.andrewlalis.aos_core.model;
 
-public class Bullet extends PhysicsObject {
-	public static final double SPEED = 100.0; // Meters per second.
+import nl.andrewlalis.aos_core.geom.Vec2;
 
+import java.util.Random;
+import java.util.concurrent.ThreadLocalRandom;
+
+public class Bullet extends PhysicsObject {
 	private final int playerId;
 
 	public Bullet(Player player) {
-		super(player.getPosition().add(player.getOrientation().mul(1.5)), player.getOrientation(), player.getOrientation().mul(SPEED));
+		super(
+			player.getPosition().add(player.getOrientation().mul(1.5)),
+			player.getOrientation(),
+			null
+		);
 		this.playerId = player.getId();
+		Random r = ThreadLocalRandom.current();
+		Vec2 perturbation = new Vec2((r.nextDouble() - 0.5) * 2, (r.nextDouble() - 0.5) * 2).mul(player.getGun().getAccuracy());
+		this.setVelocity(player.getOrientation().add(perturbation).mul(player.getGun().getBulletSpeed()));
 	}
 
 	public int getPlayerId() {

core/src/main/java/nl/andrewlalis/aos_core/model/Gun.java

@@ -1,5 +0,0 @@
-package nl.andrewlalis.aos_core.model;
-
-public class Gun {
-	
-}

core/src/main/java/nl/andrewlalis/aos_core/model/Player.java

@@ -1,9 +1,10 @@
 package nl.andrewlalis.aos_core.model;
 
+import nl.andrewlalis.aos_core.model.tools.Gun;
+
 import java.util.Objects;
 
 public class Player extends PhysicsObject {
-	public static final double SHOT_COOLDOWN = 0.1; // Time between shots, in seconds.
 	public static final double MOVEMENT_SPEED = 10; // Movement speed, in m/s
 	public static final double RADIUS = 0.5; // Collision radius, in meters.
 
@@ -11,8 +12,11 @@ public class Player extends PhysicsObject {
 	private final String name;
 	private Team team;
 	private PlayerControlState state;
+	private Gun gun;
 
 	private transient long lastShot;
+	private transient long reloadingStartedAt;
+	private boolean reloading;
 
 	public Player(int id, String name, Team team) {
 		this.id = id;
@@ -20,7 +24,8 @@ public class Player extends PhysicsObject {
 		this.team = team;
 		this.state = new PlayerControlState();
 		this.state.setPlayerId(this.id);
-		this.updateLastShot();
+		this.gun = Gun.m1Garand();
+		this.useWeapon();
 	}
 
 	public int getId() {
@@ -47,12 +52,51 @@ public class Player extends PhysicsObject {
 		this.team = team;
 	}
 
+	public Gun getGun() {
+		return gun;
+	}
+
+	public void setGun(Gun gun) {
+		this.gun = gun;
+	}
+
 	public long getLastShot() {
 		return lastShot;
 	}
 
-	public void updateLastShot() {
+	public boolean canUseWeapon() {
+		return this.state.isShooting() &&
+			!this.state.isReloading() &&
+			!this.reloading &&
+			this.gun.getCurrentClipBulletCount() > 0 &&
+			this.lastShot + this.gun.getShotCooldownTime() * 1000 < System.currentTimeMillis();
+	}
+
+	public void useWeapon() {
 		this.lastShot = System.currentTimeMillis();
+		this.gun.decrementBulletCount();
+	}
+
+	public void startReloading() {
+		this.reloading = true;
+		this.reloadingStartedAt = System.currentTimeMillis();
+	}
+
+	public void finishReloading() {
+		this.gun.reload();
+		this.reloading = false;
+	}
+
+	public boolean isReloadingComplete() {
+		long msSinceStart = System.currentTimeMillis() - this.reloadingStartedAt;
+		if (msSinceStart > this.gun.getReloadTime() * 1000) {
+			return true;
+		}
+		return false;
+	}
+
+	public boolean isReloading() {
+		return reloading;
 	}
 
 	@Override

core/src/main/java/nl/andrewlalis/aos_core/model/PlayerControlState.java

@@ -13,6 +13,7 @@ public class PlayerControlState implements Serializable {
 	boolean movingBackward;
 
 	boolean shooting;
+	boolean reloading;
 
 	Vec2 mouseLocation;
 
@@ -64,6 +65,14 @@ public class PlayerControlState implements Serializable {
 		this.shooting = shooting;
 	}
 
+	public boolean isReloading() {
+		return reloading;
+	}
+
+	public void setReloading(boolean reloading) {
+		this.reloading = reloading;
+	}
+
 	public Vec2 getMouseLocation() {
 		return mouseLocation;
 	}

core/src/main/java/nl/andrewlalis/aos_core/model/tools/Gun.java

@@ -0,0 +1,122 @@
+package nl.andrewlalis.aos_core.model.tools;
+
+import java.io.Serializable;
+
+public class Gun implements Serializable {
+
+	private final GunType type;
+
+	/**
+	 * Maximum number of clips a player can carry when using this gun.
+	 */
+	private final int maxClipCount;
+	/**
+	 * Number of bullets in each clip.
+	 */
+	private final int clipSize;
+
+	/**
+	 * How accurate shots from this gun are.
+	 */
+	private final double accuracy;
+
+	/**
+	 * How long (in seconds) to wait after each shot, before another is shot.
+	 */
+	private final double shotCooldownTime;
+
+	/**
+	 * How long (in seconds) for reloading a new clip.
+	 */
+	private final double reloadTime;
+
+	/**
+	 * How fast the bullet travels (in m/s).
+	 */
+	private final double bulletSpeed;
+
+	/**
+	 * Number of bullets left in the current clip.
+	 */
+	private int currentClipBulletCount;
+	/**
+	 * Number of clips remaining.
+	 */
+	private int clipCount;
+
+	private Gun(GunType type, int maxClipCount, int clipSize, double accuracy, double shotCooldownTime, double reloadTime, double bulletSpeed) {
+		this.type = type;
+		this.maxClipCount = maxClipCount;
+		this.clipSize = clipSize;
+		this.accuracy = accuracy;
+		this.shotCooldownTime = shotCooldownTime;
+		this.reloadTime = reloadTime;
+		this.bulletSpeed = bulletSpeed;
+
+		this.currentClipBulletCount = 0;
+		this.clipCount = maxClipCount;
+	}
+
+	public GunType getType() {
+		return type;
+	}
+
+	public int getMaxClipCount() {
+		return maxClipCount;
+	}
+
+	public int getClipSize() {
+		return clipSize;
+	}
+
+	public double getAccuracy() {
+		return accuracy;
+	}
+
+	public double getShotCooldownTime() {
+		return shotCooldownTime;
+	}
+
+	public double getReloadTime() {
+		return reloadTime;
+	}
+
+	public double getBulletSpeed() {
+		return bulletSpeed;
+	}
+
+	public int getCurrentClipBulletCount() {
+		return currentClipBulletCount;
+	}
+
+	public int getClipCount() {
+		return clipCount;
+	}
+
+	public void decrementBulletCount() {
+		this.currentClipBulletCount = Math.max(this.currentClipBulletCount - 1, 0);
+	}
+
+	public boolean canReload() {
+		return this.clipCount > 0;
+	}
+
+	public void reload() {
+		if (this.clipCount > 0) {
+			this.clipCount--;
+			this.currentClipBulletCount = this.clipSize;
+		}
+	}
+
+	public static Gun ak47() {
+		return new Gun(GunType.SMG, 4, 30, 0.10, 0.05, 1.2, 90);
+	}
+
+	public static Gun m1Garand() {
+		return new Gun(GunType.RIFLE, 6, 8, 0.02, 0.75, 1.5, 150);
+	}
+
+	public static Gun winchester() {
+		return new Gun(GunType.SHOTGUN, 8, 4, 0.15, 0.5, 2.0, 75);
+	}
+}

core/src/main/java/nl/andrewlalis/aos_core/model/tools/GunType.java

@@ -0,0 +1,7 @@
+package nl.andrewlalis.aos_core.model.tools;
+
+public enum GunType {
+	SHOTGUN,
+	SMG,
+	RIFLE
+}

server/src/main/java/nl/andrewlalis/aos_server/WorldUpdater.java

@@ -116,10 +116,16 @@ public class WorldUpdater extends Thread {
 	}
 
 	private void updatePlayerShooting(Player p) {
-		if (p.getState().isShooting() && p.getLastShot() + Player.SHOT_COOLDOWN * 1000 < System.currentTimeMillis()) {
+		if (p.canUseWeapon()) {
 			this.world.getBullets().add(new Bullet(p));
 			this.world.getSoundsToPlay().add("ak47shot1.wav");
-			p.updateLastShot();
+			p.useWeapon();
+		}
+		if (p.getState().isReloading() && !p.isReloading() && p.getGun().canReload()) {
+			p.startReloading();
+		}
+		if (p.isReloading() && p.isReloadingComplete()) {
+			p.finishReloading();
 		}
 	}