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extensive code breakdown, utility classes

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This commit is contained in:
Daniel
2024-10-19 23:12:04 +03:00
parent ec4aaf53c2
commit fe6e1bf62b
9 changed files with 273 additions and 110 deletions
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153
core/src/main/java/org/lumijiez/bugger/Bugger.java
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@@ -15,8 +15,7 @@ import org.lumijiez.bugger.entities.Player;
import org.lumijiez.bugger.entities.enemies.*;
import org.lumijiez.bugger.entities.weapons.Ray;
import org.lumijiez.bugger.entities.weapons.Projectile;
import org.lumijiez.bugger.factories.EnemyFactory;
import org.lumijiez.bugger.handlers.GameContactListener;
import org.lumijiez.bugger.handlers.*;
import org.lumijiez.bugger.vfx.ParticleManager;
import org.lumijiez.bugger.vfx.SpaceBackground;
@@ -25,35 +24,24 @@ import java.util.List;
public class Bugger {
private static Bugger instance;
private final World world;
private final SpaceBackground spaceBackground;
private final Array<Projectile> projectiles;
private final List<EnemyEntity> enemies;
private final Array<Entity> entitiesToDestroy;
private final Player player;
private float enemySpawnTimer = 0f;
private static final float ENEMY_SPAWN_INTERVAL = 0.5f;
private final Box2DDebugRenderer debugRenderer;
private final World world = new World(new Vector2(0, 0), true);;
private final SpaceBackground spaceBackground = new SpaceBackground();
private final Array<Projectile> projectiles = new Array<>();
private final List<EnemyEntity> enemies = new ArrayList<>();
private final Array<Entity> entitiesToDestroy = new Array<>();
private final Box2DDebugRenderer debugRenderer = new Box2DDebugRenderer();
public static SpriteBatch spriteBatch = new SpriteBatch();
public static SpriteBatch uiBatch = new SpriteBatch();
public static OrthographicCamera cam;
public static OrthographicCamera uiCam;
public static SpriteBatch spriteBatch;
public static SpriteBatch uiBatch;
private final Player player;
public static int kills = 0;
private final BitmapFont bitmapFont;
private Bugger() {
bitmapFont = new BitmapFont(Gdx.files.internal("EA.fnt"), Gdx.files.internal("EA.png"), false);
world = new World(new Vector2(0, 0), true);
this.projectiles = new Array<>();
this.entitiesToDestroy = new Array<>();
this.enemies = new ArrayList<>();
this.spaceBackground = new SpaceBackground();
this.player = Player.getInstance();
this.player.setPlayer(world, 100, 100);
this.world.setContactListener(new GameContactListener());
this.debugRenderer = new Box2DDebugRenderer();
spriteBatch = new SpriteBatch();
uiBatch = new SpriteBatch();
cam = new OrthographicCamera(160, 90);
cam.position.set(Player.getInstance().getPosition().x / 2f, Player.getInstance().getPosition().y / 2f, 0);
cam.update();
@@ -80,44 +68,22 @@ public class Bugger {
cycleEnemies();
cycleParticles(delta);
clearEntities();
EntityCleaner.getInstance().tryClean();
cam.position.set(player.getBody().getPosition().x, player.getBody().getPosition().y, 0);
cam.update();
updateCamera();
renderPlayer();
renderEnemies(delta);
// renderDebug();
// renderDebug();
UIRenderer.getInstance().renderUI();
InputHandler.getInstance().handleInput();
}
public void updateCamera() {
cam.position.set(player.getBody().getPosition().x, player.getBody().getPosition().y, 0);
cam.update();
spriteBatch.setProjectionMatrix(cam.combined);
uiBatch.begin();
uiBatch.setColor(1, 1, 1, 1);
bitmapFont.draw(uiBatch, String.format("Speed: %.2f", Player.getInstance().getBody().getLinearVelocity().len()),
10, uiCam.viewportHeight - 10);
bitmapFont.draw(uiBatch, "Kills: " + kills, 10, uiCam.viewportHeight - 40);
bitmapFont.setColor(0, 1, 0, 1);
bitmapFont.draw(uiBatch, "Enemies: " + enemies.size(), 10, uiCam.viewportHeight - 70);
bitmapFont.draw(uiBatch, "Projectiles: " + projectiles.size, 10, uiCam.viewportHeight - 100);
bitmapFont.draw(uiBatch, "Entities to Destroy: " + entitiesToDestroy.size, 10, uiCam.viewportHeight - 130);
bitmapFont.draw(uiBatch, String.format("Player Pos: (%.2f, %.2f)",
Player.getInstance().getBody().getPosition().x,
Player.getInstance().getBody().getPosition().y), 10, uiCam.viewportHeight - 160);
bitmapFont.draw(uiBatch, "Bodies: " + world.getBodyCount(), 10, uiCam.viewportHeight - 190);
bitmapFont.draw(uiBatch, "Proxies: " + world.getProxyCount(), 10, uiCam.viewportHeight - 220);
bitmapFont.setColor(1, 1, 1, 1);
uiBatch.end();
uiBatch.setProjectionMatrix(uiCam.combined);
uiCam.update();
handleInput();
}
public void renderBackground() {
@@ -125,17 +91,8 @@ public class Bugger {
}
public void renderEnemies(float delta) {
enemySpawnTimer += delta;
if (enemySpawnTimer >= ENEMY_SPAWN_INTERVAL) {
enemies.add(EnemyFactory.createRandomEnemy(world, Player.getInstance().getPosition()));
enemySpawnTimer = 0;
}
for (EnemyEntity enemy : enemies) {
enemy.moveTowards(player.getPosition());
enemy.render();
}
EnemySpawner.getInstance().cycle(delta);
for (EnemyEntity enemy : enemies) enemy.cycle();
}
public void renderPlayer() {
@@ -175,49 +132,35 @@ public class Bugger {
ParticleManager.getInstance().render(spriteBatch);
}
public void clearEntities() {
for (Entity entity : entitiesToDestroy) {
world.destroyBody(entity.getBody());
if (entity instanceof Projectile) {
projectiles.removeValue((Projectile) entity, true);
}
if (entity instanceof EnemyEntity) {
playParticle(entity.getBody().getPosition().x, entity.getBody().getPosition().y);
enemies.remove(entity);
}
}
entitiesToDestroy.clear();
}
public void step() {
world.step(1 / 30f, 6, 2);
}
public void playParticle(float x, float y) {
ParticleManager.getInstance().playEffect(x, y);
}
public void shoot() {
Ray ray = player.shootArrow();
projectiles.add(ray);
}
public void handleInput() {
if (Gdx.input.isButtonPressed(Input.Buttons.LEFT)) {
shoot();
}
}
public SpriteBatch batch() {
return spriteBatch;
}
public void dispose() {
spriteBatch.dispose();
uiBatch.dispose();
world.dispose();
spaceBackground.dispose();
ParticleManager.getInstance().dispose();
EntityCleaner.getInstance().disposeAll();
}
public List<EnemyEntity> getEnemies() {
return enemies;
}
public World getWorld() {
return world;
}
public Player getPlayer() {
return player;
}
public Array<Entity> getEntitiesToDestroy() {
return entitiesToDestroy;
}
public Array<Projectile> getProjectiles() {
return projectiles;
}
public SpaceBackground getSpaceBackground() {
return spaceBackground;
}
}

6
core/src/main/java/org/lumijiez/bugger/entities/EntityType.java Normal file
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@@ -0,0 +1,6 @@
package org.lumijiez.bugger.entities;
public enum EntityType {
PROJECTILE,
ENEMY
}

24
core/src/main/java/org/lumijiez/bugger/entities/enemies/EnemyEntity.java
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@@ -2,6 +2,7 @@ package org.lumijiez.bugger.entities.enemies;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.World;
import org.lumijiez.bugger.Bugger;
import org.lumijiez.bugger.entities.Entity;
public class EnemyEntity extends Entity {
@@ -9,8 +10,17 @@ public class EnemyEntity extends Entity {
super(world, texturePath, size);
}
public void moveTowards(Vector2 target) {
Vector2 direction = target.cpy().sub(body.getPosition()).nor();
public void update(Vector2 target) {
follow(target);
}
public void update() {
Vector2 playerPos = Bugger.getInstance().getPlayer().getPosition();
follow(playerPos);
}
private void follow(Vector2 playerPos) {
Vector2 direction = playerPos.cpy().sub(body.getPosition()).nor();
float speed = 10f;
body.setLinearVelocity(direction.scl(speed));
@@ -18,6 +28,16 @@ public class EnemyEntity extends Entity {
body.setTransform(body.getPosition(), angle * (float) Math.PI / 180f);
}
public void cycle(Vector2 target) {
update(target);
render();
}
public void cycle() {
update();
render();
}
public void render() {
super.render();
}

44
core/src/main/java/org/lumijiez/bugger/handlers/EnemySpawner.java
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@@ -1,5 +1,47 @@
package org.lumijiez.bugger.handlers;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.World;
import org.lumijiez.bugger.Bugger;
import org.lumijiez.bugger.entities.enemies.Enemies;
import org.lumijiez.bugger.factories.EnemyFactory;
public class EnemySpawner {
private static enem
private static EnemySpawner instance;
private float enemySpawnTimer = 0f;
private static final float ENEMY_SPAWN_INTERVAL = 0.5f;
private EnemySpawner() {}
public static EnemySpawner getInstance() {
if (instance == null) {
instance = new EnemySpawner();
}
return instance;
}
public void cycle(float delta) {
enemySpawnTimer += delta;
if (enemySpawnTimer >= ENEMY_SPAWN_INTERVAL) {
World world = Bugger.getInstance().getWorld();
Vector2 playerPos = Bugger.getInstance().getPlayer().getPosition();
trySpawnRandom(world, playerPos);
enemySpawnTimer = 0;
}
}
public void spawn(Enemies enemy) {
World world = Bugger.getInstance().getWorld();
Vector2 playerPos = Bugger.getInstance().getPlayer().getPosition();
Bugger.getInstance().getEnemies().add(EnemyFactory.createEnemy(enemy, world, playerPos));
}
public void spawn(Enemies enemy, World world, Vector2 position) {
Bugger.getInstance().getEnemies().add(EnemyFactory.createEnemy(enemy, world, position));
}
private void trySpawnRandom(World world, Vector2 position) {
Bugger.getInstance().getEnemies().add(EnemyFactory.createRandomEnemy(world, position));
}
}

54
core/src/main/java/org/lumijiez/bugger/handlers/EntityCleaner.java Normal file
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@@ -0,0 +1,54 @@
package org.lumijiez.bugger.handlers;
import com.badlogic.gdx.physics.box2d.World;
import com.badlogic.gdx.utils.Array;
import org.lumijiez.bugger.Bugger;
import org.lumijiez.bugger.entities.Entity;
import org.lumijiez.bugger.entities.enemies.EnemyEntity;
import org.lumijiez.bugger.entities.weapons.Projectile;
import org.lumijiez.bugger.vfx.ParticleManager;
import java.util.List;
public class EntityCleaner {
private static EntityCleaner instance;
private EntityCleaner() {}
public static EntityCleaner getInstance() {
if (instance == null) {
instance = new EntityCleaner();
}
return instance;
}
public void tryClean() {
Array<Entity> entities = Bugger.getInstance().getEntitiesToDestroy();
Array<Projectile> projectiles = Bugger.getInstance().getProjectiles();
List<EnemyEntity> enemies = Bugger.getInstance().getEnemies();
World world = Bugger.getInstance().getWorld();
for (Entity entity : entities) {
world.destroyBody(entity.getBody());
if (entity instanceof Projectile) {
projectiles.removeValue((Projectile) entity, true);
}
if (entity instanceof EnemyEntity) {
ParticleManager.getInstance().playEffect(entity.getBody().getPosition().x, entity.getBody().getPosition().y);
enemies.remove(entity);
}
}
entities.clear();
}
public void disposeAll() {
Bugger.spriteBatch.dispose();
Bugger.uiBatch.dispose();
Bugger.getInstance().getWorld().dispose();
Bugger.getInstance().getSpaceBackground().dispose();
ParticleManager.getInstance().dispose();
}
}

26
core/src/main/java/org/lumijiez/bugger/handlers/InputHandler.java Normal file
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@@ -0,0 +1,26 @@
package org.lumijiez.bugger.handlers;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input;
import org.lumijiez.bugger.Bugger;
import org.lumijiez.bugger.entities.weapons.Ray;
public class InputHandler {
private static InputHandler instance;
private InputHandler() {}
public static InputHandler getInstance() {
if (instance == null) {
instance = new InputHandler();
}
return instance;
}
public void handleInput() {
if (Gdx.input.isButtonPressed(Input.Buttons.LEFT)) {
Ray ray = Bugger.getInstance().getPlayer().shootArrow();
Bugger.getInstance().getProjectiles().add(ray);
}
}
}

55
core/src/main/java/org/lumijiez/bugger/handlers/UIRenderer.java Normal file
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@@ -0,0 +1,55 @@
package org.lumijiez.bugger.handlers;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import org.lumijiez.bugger.Bugger;
import org.lumijiez.bugger.entities.Player;
public class UIRenderer {
private final BitmapFont bitmapFont;
private static UIRenderer instance;
private UIRenderer() {
bitmapFont = new BitmapFont(Gdx.files.internal("EA.fnt"), Gdx.files.internal("EA.png"), false);
}
public static UIRenderer getInstance() {
if (instance == null) {
instance = new UIRenderer();
}
return instance;
}
public void renderUI() {
SpriteBatch uiBatch = Bugger.uiBatch;
OrthographicCamera uiCam = Bugger.uiCam;
int kills = Bugger.kills;
int enemies = Bugger.getInstance().getEnemies().size();
int projectiles = Bugger.getInstance().getProjectiles().size;
int bodies = Bugger.getInstance().getWorld().getBodyCount();
uiBatch.begin();
uiBatch.setColor(1, 1, 1, 1);
bitmapFont.draw(uiBatch, String.format("Speed: %.2f", Player.getInstance().getBody().getLinearVelocity().len()),
10, uiCam.viewportHeight - 10);
bitmapFont.draw(uiBatch, "Kills: " + kills, 10, uiCam.viewportHeight - 40);
bitmapFont.setColor(0, 1, 0, 1);
bitmapFont.draw(uiBatch, "Enemies: " + enemies, 10, uiCam.viewportHeight - 70);
bitmapFont.draw(uiBatch, "Projectiles: " + projectiles, 10, uiCam.viewportHeight - 100);
bitmapFont.draw(uiBatch, String.format("Player Pos: (%.2f, %.2f)",
Player.getInstance().getBody().getPosition().x,
Player.getInstance().getBody().getPosition().y), 10, uiCam.viewportHeight - 130);
bitmapFont.draw(uiBatch, "Bodies: " + bodies, 10, uiCam.viewportHeight - 160);
bitmapFont.setColor(1, 1, 1, 1);
uiBatch.end();
uiBatch.setProjectionMatrix(uiCam.combined);
uiCam.update();
}
}

17
core/src/main/java/org/lumijiez/bugger/util/Util.java Normal file
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@@ -0,0 +1,17 @@
package org.lumijiez.bugger.util;
import org.lumijiez.bugger.entities.Entity;
import org.lumijiez.bugger.entities.EntityType;
import org.lumijiez.bugger.entities.enemies.EnemyEntity;
import org.lumijiez.bugger.entities.weapons.Projectile;
public class Util {
public static EntityType determineEntityType(Entity entity) {
if (entity instanceof Projectile) {
return EntityType.PROJECTILE;
} else if (entity instanceof EnemyEntity) {
return EntityType.ENEMY;
}
throw new IllegalArgumentException("Unknown entity type");
}
}

4
core/src/main/java/org/lumijiez/bugger/vfx/SpaceBackground.java
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@@ -49,7 +49,7 @@ public class SpaceBackground {
}
public void render() {
Bugger.getInstance().batch().begin();
Bugger.spriteBatch.begin();
float cameraX = Bugger.cam.position.x;
float cameraY = Bugger.cam.position.y;
@@ -58,7 +58,7 @@ public class SpaceBackground {
drawGalaxies(cameraX, cameraY);
drawNebulae(cameraX, cameraY);
Bugger.getInstance().batch().end();
Bugger.spriteBatch.end();
}
private void drawStars(float cameraX, float cameraY) {