Added some simple chat commands.

client/src/main/java/nl/andrewl/aos2_client/render/gui/GuiRenderer.java

@@ -343,7 +343,7 @@ public class GuiRenderer {
 				nvgFillColor(vgId, GuiUtils.rgba(0.7f, 0, 0, 1, colorA));
 				nvgText(vgId, 5, y, msg.message());
 			} else if (msg.author().equals("_PRIVATE")) {
-				nvgFillColor(vgId, GuiUtils.rgba(0.3f, 0.3f, 0.3f, 1, colorA));
+				nvgFillColor(vgId, GuiUtils.rgba(0.6f, 0.6f, 0.6f, 1, colorA));
 				nvgText(vgId, 5, y, msg.message());
 			} else {
 				nvgFillColor(vgId, GuiUtils.rgba(1, 1, 1, 1, colorA));

server/src/main/java/nl/andrewl/aos2_server/ClientCommunicationHandler.java

@@ -91,6 +91,13 @@ public class ClientCommunicationHandler {
 						server.getPlayerManager().getHandler(teamPlayer).sendTcpMessage(chat);
 					}
 				}
+			} else if (chatWrittenMessage.message().equalsIgnoreCase("/kd")) {
+				int k = player.getKillCount();
+				int d = player.getDeathCount();
+				float kd = d <= 0 ? 0 : (float) k / (float) d;
+				sendTcpMessage(ChatMessage.privateMessage("Your kill/death ratio is %.2f.".formatted(kd)));
+			} else if (chatWrittenMessage.message().equalsIgnoreCase("/kill")) {
+				server.getPlayerManager().playerKilled(player, null);
 			} else {
 				server.getPlayerManager().broadcastTcpMessage(new ChatMessage(
 						System.currentTimeMillis(),

server/src/main/java/nl/andrewl/aos2_server/PlayerManager.java

@@ -169,11 +169,13 @@ public class PlayerManager {
 		Vector3f deathPosition = new Vector3f(player.getPosition());
 		player.setPosition(getBestSpawnPoint(player));
 		player.setVelocity(new Vector3f(0));
+		player.incrementDeathCount();
 		resupply(player);
 		broadcastUdpMessage(player.getUpdateMessage(System.currentTimeMillis()));
 		broadcastUdpMessage(new SoundMessage("death", 1, deathPosition));
 		String deathMessage;
 		if (killedBy != null) {
+			killedBy.incrementKillCount();
 			deathMessage = player.getUsername() + " was killed by " + killedBy.getUsername() + ".";
 		} else {
 			deathMessage = player.getUsername() + " died.";

server/src/main/java/nl/andrewl/aos2_server/ProjectileManager.java

@@ -184,6 +184,8 @@ public class ProjectileManager {
 			float damage = gun.getBaseDamage();
 			if (playerHitType == 1) damage *= 2;
 			hitPlayer.setHealth(hitPlayer.getHealth() - damage);
+			Vector3f impactAcceleration = new Vector3f(projectile.getVelocity()).normalize().mul(3);
+			hitPlayer.getVelocity().add(impactAcceleration);
 			int soundVariant = ThreadLocalRandom.current().nextInt(1, 4);
 			server.getPlayerManager().broadcastUdpMessage(new SoundMessage("hurt_" + soundVariant, 1, hitPlayer.getPosition(), hitPlayer.getVelocity()));
 			if (hitPlayer.getHealth() == 0) {

server/src/main/java/nl/andrewl/aos2_server/model/ServerPlayer.java

@@ -28,6 +28,9 @@ public class ServerPlayer extends Player {
 	 */
 	private float health;
 
+	private int deathCount;
+	private int killCount;
+
 	public ServerPlayer(int id, String username) {
 		super(id, username);
 		this.inventory = new Inventory(new ArrayList<>(), 0);
@@ -57,6 +60,22 @@ public class ServerPlayer extends Player {
 		this.health = health;
 	}
 
+	public int getDeathCount() {
+		return deathCount;
+	}
+
+	public void incrementDeathCount() {
+		deathCount++;
+	}
+
+	public int getKillCount() {
+		return killCount;
+	}
+
+	public void incrementKillCount() {
+		killCount++;
+	}
+
 	/**
 	 * Helper method to build an update message for this player, to be sent to
 	 * various clients.