Added better sound system.

client/src/main/java/nl/andrewl/aos2_client/Client.java

@@ -9,7 +9,6 @@ import nl.andrewl.aos2_client.model.ClientPlayer;
 import nl.andrewl.aos2_client.model.OtherPlayer;
 import nl.andrewl.aos2_client.render.GameRenderer;
 import nl.andrewl.aos2_client.sound.SoundManager;
-import nl.andrewl.aos2_client.sound.SoundSource;
 import nl.andrewl.aos_core.config.Config;
 import nl.andrewl.aos_core.model.Player;
 import nl.andrewl.aos_core.model.Projectile;
@@ -38,14 +37,13 @@ public class Client implements Runnable {
 	private final InputHandler inputHandler;
 	private GameRenderer gameRenderer;
 	private SoundManager soundManager;
-	private SoundSource playerSource;
 	private long lastPlayerUpdate = 0;
 
 	private ClientWorld world;
 	private ClientPlayer myPlayer;
 	private final Map<Integer, OtherPlayer> players;
 	private final Map<Integer, Projectile> projectiles;
-	private Map<Integer, Team> teams;
+	private final Map<Integer, Team> teams;
 
 	public Client(ClientConfig config) {
 		this.config = config;
@@ -89,17 +87,18 @@ public class Client implements Runnable {
 				new PlayerInputMouseClickCallback(inputHandler)
 		);
 		soundManager = new SoundManager();
-		soundManager.load("rifle", "sound/m1garand-shot1.wav");
+		log.debug("Sound system initialized.");
-		playerSource = new SoundSource();
 
 		long lastFrameAt = System.currentTimeMillis();
 		while (!gameRenderer.windowShouldClose() && !communicationHandler.isDone()) {
 			long now = System.currentTimeMillis();
 			float dt = (now - lastFrameAt) / 1000f;
 			world.processQueuedChunkUpdates();
+			soundManager.updateListener(myPlayer.getPosition(), myPlayer.getVelocity());
 			gameRenderer.getCamera().interpolatePosition(dt);
-			interpolatePlayers(dt);
+			interpolatePlayers(now, dt);
 			interpolateProjectiles(dt);
+			soundManager.playWalkingSounds(myPlayer, now);
 			gameRenderer.draw();
 			lastFrameAt = now;
 		}
@@ -156,7 +155,7 @@ public class Client implements Runnable {
 		} else if (msg instanceof PlayerLeaveMessage leaveMessage) {
 			players.remove(leaveMessage.id());
 		} else if (msg instanceof SoundMessage soundMessage) {
-			playerSource.play(soundManager.getSoundBuffer(soundMessage.name()));
+			soundManager.play(soundMessage.name(), soundMessage.gain(), new Vector3f(soundMessage.px(), soundMessage.py(), soundMessage.pz()));
 		} else if (msg instanceof ProjectileMessage pm) {
 			Projectile p = projectiles.get(pm.id());
 			if (p == null && !pm.destroyed()) {
@@ -186,10 +185,6 @@ public class Client implements Runnable {
 		return teams;
 	}
 
-	public void setTeams(Map<Integer, Team> teams) {
-		this.teams = teams;
-	}
-
 	public Map<Integer, OtherPlayer> getPlayers() {
 		return players;
 	}
@@ -198,12 +193,13 @@ public class Client implements Runnable {
 		return projectiles;
 	}
 
-	public void interpolatePlayers(float dt) {
+	public void interpolatePlayers(long now, float dt) {
 		Vector3f movement = new Vector3f();
 		for (var player : players.values()) {
 			movement.set(player.getVelocity()).mul(dt);
 			player.getPosition().add(movement);
 			player.updateModelTransform();
+			soundManager.playWalkingSounds(player, now);
 		}
 	}
 

client/src/main/java/nl/andrewl/aos2_client/sound/SoundManager.java

@@ -1,31 +1,81 @@
 package nl.andrewl.aos2_client.sound;
 
+import nl.andrewl.aos_core.model.Player;
 import org.joml.Vector3f;
 import org.lwjgl.openal.AL;
 import org.lwjgl.openal.ALC;
 import org.lwjgl.openal.ALCCapabilities;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.nio.ByteBuffer;
 import java.nio.IntBuffer;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ThreadLocalRandom;
 
-import static org.lwjgl.openal.AL10.*;
+import static org.lwjgl.openal.AL11.*;
 import static org.lwjgl.openal.ALC10.*;
 
 /**
  * Main class for managing the OpenAL audio interface.
  */
 public class SoundManager {
+	private static final Logger log = LoggerFactory.getLogger(SoundManager.class);
+
+	private static final int SOURCE_COUNT = 16;
+
 	private final long alContext;
 	private final Map<String, Integer> audioBuffers = new HashMap<>();
 
+	/**
+	 * A set of pre-allocated sound sources that can be utilized when short
+	 * sounds need to be played.
+	 */
+	private final List<SoundSource> availableSources = new ArrayList<>(SOURCE_COUNT);
+
+	private final Map<Player, Long> lastPlayerWalkingSounds = new ConcurrentHashMap<>();
+
 	public SoundManager() {
 		long device = alcOpenDevice((ByteBuffer) null);
 		ALCCapabilities capabilities = ALC.createCapabilities(device);
 		alContext = alcCreateContext(device, (IntBuffer) null);
 		alcMakeContextCurrent(alContext);
 		AL.createCapabilities(capabilities);
+
+		alDistanceModel(AL_EXPONENT_DISTANCE);
+
+		for (int i = 0; i < SOURCE_COUNT; i++) {
+			SoundSource source = new SoundSource();
+			alSourcef(source.getId(), AL_ROLLOFF_FACTOR, 1);
+			alSourcef(source.getId(), AL_REFERENCE_DISTANCE, 10);
+			alSourcef(source.getId(), AL_MAX_DISTANCE, 20);
+			availableSources.add(source);
+		}
+
+		loadSounds();
+	}
+
+	private void loadSounds() {
+		load("footsteps_1", "sound/m_footsteps_1.wav");
+		load("footsteps_2", "sound/m_footsteps_2.wav");
+		load("footsteps_3", "sound/m_footsteps_3.wav");
+		load("footsteps_4", "sound/m_footsteps_4.wav");
+		load("shot_m1-garand_1", "sound/m_shot_m1-garand_1.wav");
+		load("shot_ak-47_1", "sound/m_shot_ak-47_1.wav");
+		load("bullet_impact_1", "sound/m_bullet_impact_1.wav");
+		load("bullet_impact_2", "sound/m_bullet_impact_2.wav");
+		load("bullet_impact_3", "sound/m_bullet_impact_3.wav");
+		load("bullet_impact_4", "sound/m_bullet_impact_4.wav");
+		load("bullet_impact_5", "sound/m_bullet_impact_5.wav");
+		load("reload", "sound/m_reload.wav");
+		load("death", "sound/m_death.wav");
+		load("hurt_1", "sound/m_hurt_1.wav");
+		load("hurt_2", "sound/m_hurt_2.wav");
+		load("hurt_3", "sound/m_hurt_3.wav");
 	}
 
 	public void load(String name, String resource) {
@@ -41,14 +91,58 @@ public class SoundManager {
 		alListener3f(AL_VELOCITY, velocity.x(), velocity.y(), velocity.z());
 	}
 
-	public int getSoundBuffer(String name) {
+	public Integer getSoundBuffer(String name) {
 		return audioBuffers.get(name);
 	}
 
+	public void play(String soundName, float gain, Vector3f position, Vector3f velocity) {
+		Integer bufferId = getSoundBuffer(soundName);
+		if (bufferId == null) {
+			log.warn("Attempted to play unknown sound \"{}\"", soundName);
+		} else {
+			SoundSource source = getNextAvailableSoundSource();
+			if (source != null) {
+				source.setPosition(position);
+				source.setVelocity(velocity);
+				source.setGain(gain);
+				source.play(bufferId);
+			} else {
+				log.warn("Couldn't get an available sound source to play sound \"{}\"", soundName);
+			}
+		}
+	}
+
+	public void play(String soundName, float gain, Vector3f position) {
+		play(soundName, gain, position, new Vector3f(0, 0, 0));
+	}
+
+	public void playWalkingSounds(Player player, long now) {
+		if (player.getVelocity().length() <= 0) return;
+		long lastSoundAt = lastPlayerWalkingSounds.computeIfAbsent(player, p -> 0L);
+		long delay = 500; // Delay in ms between footfalls.
+		if (player.getVelocity().length() > 5) delay -= 150;
+		if (player.getVelocity().length() < 3) delay += 150;
+		if (lastSoundAt + delay < now) {
+			int choice = ThreadLocalRandom.current().nextInt(1, 5);
+			play("footsteps_" + choice, 0.5f, player.getPosition(), player.getVelocity());
+			lastPlayerWalkingSounds.put(player, now);
+		}
+	}
+
+	private SoundSource getNextAvailableSoundSource() {
+		for (var source : availableSources) {
+			if (!source.isPlaying()) return source;
+		}
+		return null;
+	}
+
 	public void free() {
 		for (var bufferId : audioBuffers.values()) {
 			alDeleteBuffers(bufferId);
 		}
+		for (var source : availableSources) {
+			source.free();
+		}
 		alcDestroyContext(alContext);
 	}
 }

client/src/main/java/nl/andrewl/aos2_client/sound/SoundSource.java

@@ -1,5 +1,7 @@
 package nl.andrewl.aos2_client.sound;
 
+import org.joml.Vector3f;
+
 import static org.lwjgl.openal.AL10.*;
 
 public class SoundSource {
@@ -17,6 +19,30 @@ public class SoundSource {
 		alSourcePlay(sourceId);
 	}
 
+	public void setPosition(Vector3f pos) {
+		alSource3f(sourceId, AL_POSITION, pos.x, pos.y, pos.z);
+	}
+
+	public void setVelocity(Vector3f vel) {
+		alSource3f(sourceId, AL_VELOCITY, vel.x, vel.y, vel.z);
+	}
+
+	public void setDirection(Vector3f dir) {
+		alSource3f(sourceId, AL_DIRECTION, dir.x, dir.y, dir.z);
+	}
+
+	public void setGain(float gain) {
+		alSourcef(sourceId, AL_GAIN, gain);
+	}
+
+	public int getId() {
+		return sourceId;
+	}
+
+	public boolean isPlaying() {
+		return alGetSourcei(sourceId, AL_SOURCE_STATE) == AL_PLAYING;
+	}
+
 	public void free() {
 		alDeleteSources(sourceId);
 	}

core/src/main/java/nl/andrewl/aos_core/model/world/World.java

@@ -84,6 +84,16 @@ public class World {
 		setBlockAt(new Vector3f(x, y, z), block);
 	}
 
+	public void setBlocksAt(int x1, int y1, int z1, int x2, int y2, int z2, byte block) {
+		for (int x = x1; x <= x2; x++) {
+			for (int y = y1; y <= y2; y++) {
+				for (int z = z1; z <= z2; z++) {
+					setBlockAt(x, y, z, block);
+				}
+			}
+		}
+	}
+
 	public Chunk getChunkAt(Vector3i chunkPos) {
 		return chunkMap.get(chunkPos);
 	}

core/src/main/java/nl/andrewl/aos_core/model/world/Worlds.java

@@ -134,4 +134,21 @@ public final class Worlds {
 
 		return world;
 	}
+
+	public static World flatWorld() {
+		World world = new World(ColorPalette.rainbow());
+		for (int x = 0; x < 5; x++) {
+			for (int y = 0; y < 5; y++) {
+				for (int z = 0; z < 12; z++) {
+					world.addChunk(new Chunk(x, y, z));
+				}
+			}
+		}
+		world.setBlocksAt(0, 0, 0, 5 * Chunk.SIZE, 2 * Chunk.SIZE, 12 * Chunk.SIZE, (byte) 80);
+
+		world.setSpawnPoint("A", new Vector3f(5, 34, 5));
+		world.setSpawnPoint("B", new Vector3f(5 * Chunk.SIZE - 5, 34, 12 * Chunk.SIZE - 5));
+
+		return world;
+	}
 }

core/src/main/java/nl/andrewl/aos_core/net/client/SoundMessage.java

@@ -1,6 +1,7 @@
 package nl.andrewl.aos_core.net.client;
 
 import nl.andrewl.record_net.Message;
+import org.joml.Vector3f;
 
 /**
  * A message that indicates that a sound has been emitted somewhere in the
@@ -8,5 +9,28 @@ import nl.andrewl.record_net.Message;
  */
 public record SoundMessage(
 		String name,
-		float px, float py, float pz
+		float gain,
-) implements Message {}
+		float px, float py, float pz,
+		float vx, float vy, float vz
+) implements Message {
+	public SoundMessage(String name, float gain, Vector3f position, Vector3f velocity) {
+		this(
+				name,
+				gain,
+				position.x, position.y, position.z,
+				velocity.x, velocity.y, velocity.z
+		);
+	}
+
+	public SoundMessage(String name, float gain, Vector3f position) {
+		this(name, gain, position.x, position.y, position.z, 0, 0, 0);
+	}
+
+	public Vector3f positionAsVec() {
+		return new Vector3f(px, py, pz);
+	}
+
+	public Vector3f velocityAsVec() {
+		return new Vector3f(vx, vy, vz);
+	}
+}

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

@@ -7,10 +7,7 @@ import nl.andrewl.aos_core.model.item.BlockItemStack;
 import nl.andrewl.aos_core.model.item.Gun;
 import nl.andrewl.aos_core.model.item.GunItemStack;
 import nl.andrewl.aos_core.model.item.ItemStack;
-import nl.andrewl.aos_core.net.client.ClientHealthMessage;
+import nl.andrewl.aos_core.net.client.*;
-import nl.andrewl.aos_core.net.client.ItemStackMessage;
-import nl.andrewl.aos_core.net.client.PlayerJoinMessage;
-import nl.andrewl.aos_core.net.client.PlayerLeaveMessage;
 import nl.andrewl.aos_core.net.connect.DatagramInit;
 import nl.andrewl.record_net.Message;
 import org.joml.Vector3f;
@@ -154,6 +151,7 @@ public class PlayerManager {
 	 * @param player The player that died.
 	 */
 	public void playerKilled(ServerPlayer player) {
+		Vector3f deathPosition = new Vector3f(player.getPosition());
 		player.setPosition(getBestSpawnPoint(player));
 		player.setVelocity(new Vector3f(0));
 		player.setHealth(1);
@@ -171,6 +169,7 @@ public class PlayerManager {
 		}
 		handler.sendDatagramPacket(new ClientHealthMessage(player.getHealth()));
 		broadcastUdpMessage(player.getUpdateMessage(System.currentTimeMillis()));
+		broadcastUdpMessage(new SoundMessage("death", 1, deathPosition));
 		// TODO: Team points or something.
 	}
 

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

@@ -7,6 +7,7 @@ import nl.andrewl.aos_core.model.Player;
 import nl.andrewl.aos_core.model.Projectile;
 import nl.andrewl.aos_core.model.world.Hit;
 import nl.andrewl.aos_core.net.client.ClientHealthMessage;
+import nl.andrewl.aos_core.net.client.SoundMessage;
 import nl.andrewl.aos_core.net.world.ChunkUpdateMessage;
 import org.joml.Matrix4f;
 import org.joml.Vector3f;
@@ -15,6 +16,7 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.Map;
 import java.util.Queue;
+import java.util.concurrent.ThreadLocalRandom;
 
 /**
  * Component that manages the set of all active projectiles in the world, and
@@ -112,14 +114,16 @@ public class ProjectileManager {
 			// Bullet struck the world first.
 			server.getWorld().setBlockAt(hit.pos().x, hit.pos().y, hit.pos().z, (byte) 0);
 			server.getPlayerManager().broadcastUdpMessage(ChunkUpdateMessage.fromWorld(hit.pos(), server.getWorld()));
+			int soundVariant = ThreadLocalRandom.current().nextInt(1, 6);
+			server.getPlayerManager().broadcastUdpMessage(new SoundMessage("bullet_impact_" + soundVariant, 1, hit.rawPos()));
 			deleteProjectile(projectile);
 		} else if (playerHit != null && (hit == null || playerHitDist < worldHitDist)) {
 			// Bullet struck the player first.
-			System.out.println("Player hit: " + playerHitType);
 			float damage = 0.4f;
 			if (playerHitType == 1) damage *= 2;
 			hitPlayer.setHealth(hitPlayer.getHealth() - damage);
-			System.out.println(hitPlayer.getHealth());
+			int soundVariant = ThreadLocalRandom.current().nextInt(1, 4);
+			server.getPlayerManager().broadcastUdpMessage(new SoundMessage("hurt_" + soundVariant, 1, hitPlayer.getPosition(), hitPlayer.getVelocity()));
 			if (hitPlayer.getHealth() == 0) {
 				System.out.println("Player killed!!!");
 				server.getPlayerManager().playerKilled(hitPlayer);

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

@@ -45,7 +45,7 @@ public class Server implements Runnable {
 		this.teamManager = new TeamManager(this);
 		this.projectileManager = new ProjectileManager(this);
 		this.worldUpdater = new WorldUpdater(this, config.ticksPerSecond);
-		this.world = Worlds.testingWorld();
+		this.world = Worlds.flatWorld();
 
 		// TODO: Add some way to configure teams with config files or commands.
 		teamManager.addTeam("Red", new Vector3f(0.8f, 0, 0), "A");

server/src/main/java/nl/andrewl/aos2_server/logic/PlayerActionManager.java

@@ -1,9 +1,14 @@
 package nl.andrewl.aos2_server.logic;
 
 import nl.andrewl.aos2_server.Server;
-import nl.andrewl.aos2_server.model.ServerPlayer;
 import nl.andrewl.aos2_server.config.ServerConfig;
-import nl.andrewl.aos_core.model.item.*;
+import nl.andrewl.aos2_server.model.ServerPlayer;
+import nl.andrewl.aos_core.model.item.BlockItemStack;
+import nl.andrewl.aos_core.model.item.Gun;
+import nl.andrewl.aos_core.model.item.GunItemStack;
+import nl.andrewl.aos_core.model.item.ItemStack;
+import nl.andrewl.aos_core.model.item.gun.Ak47;
+import nl.andrewl.aos_core.model.item.gun.Rifle;
 import nl.andrewl.aos_core.model.world.World;
 import nl.andrewl.aos_core.net.client.ClientInputState;
 import nl.andrewl.aos_core.net.client.InventorySelectedStackMessage;
@@ -18,7 +23,7 @@ import org.joml.Vector3i;
 import java.util.ArrayList;
 import java.util.List;
 
-import static nl.andrewl.aos2_server.model.ServerPlayer.*;
+import static nl.andrewl.aos2_server.model.ServerPlayer.RADIUS;
 
 /**
  * Component that manages a server player's current actions and movement.
@@ -106,7 +111,13 @@ public class PlayerActionManager {
 				gunNeedsReCock = true;
 			}
 			server.getPlayerManager().getHandler(player.getId()).sendDatagramPacket(new ItemStackMessage(player.getInventory()));
-			server.getPlayerManager().broadcastUdpMessage(new SoundMessage("rifle", player.getPosition().x(), player.getPosition().y(), player.getPosition().z()));
+			String shotSound = null;
+			if (gun instanceof Rifle) {
+				shotSound = "shot_m1-garand_1";
+			} else if (gun instanceof Ak47) {
+				shotSound = "shot_ak-47_1";
+			}
+			server.getPlayerManager().broadcastUdpMessage(new SoundMessage(shotSound, 1, player.getPosition(), player.getVelocity()));
 		}
 
 		if (// Check to see if the player is reloading.
@@ -118,6 +129,7 @@ public class PlayerActionManager {
 			gunReloadingStartedAt = now;
 			gunReloading = true;
 			server.getPlayerManager().getHandler(player.getId()).sendDatagramPacket(new ItemStackMessage(player.getInventory()));
+			server.getPlayerManager().broadcastUdpMessage(new SoundMessage("reload", 1, player.getPosition(), player.getVelocity()));
 		}
 
 		if (// Check to see if reloading is done.