GameEntity.java 5.95 KB
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package emu.grasscutter.game.entity;

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import java.util.HashMap;
import java.util.Map;

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import emu.grasscutter.game.props.FightProperty;
import emu.grasscutter.game.props.LifeState;
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import emu.grasscutter.game.world.Scene;
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import emu.grasscutter.game.world.SpawnDataEntry;
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import emu.grasscutter.game.world.World;
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import emu.grasscutter.net.proto.FightPropPairOuterClass.FightPropPair;
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import emu.grasscutter.net.proto.MotionInfoOuterClass.MotionInfo;
import emu.grasscutter.net.proto.MotionStateOuterClass.MotionState;
import emu.grasscutter.net.proto.SceneEntityInfoOuterClass.SceneEntityInfo;
import emu.grasscutter.net.proto.VectorOuterClass.Vector;
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import emu.grasscutter.server.packet.send.PacketEntityFightPropUpdateNotify;
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import emu.grasscutter.utils.Position;
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import it.unimi.dsi.fastutil.ints.Int2FloatMap;
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import it.unimi.dsi.fastutil.ints.Int2FloatOpenHashMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
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public abstract class GameEntity {
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	protected int id;
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	private final Scene scene;
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	private SpawnDataEntry spawnEntry;
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	private int blockId;
	private int configId;
	private int groupId;
	
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	private MotionState moveState;
	private int lastMoveSceneTimeMs;
	private int lastMoveReliableSeq;
	
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	// Abilities
	private Map<String, Float> metaOverrideMap;
	private Int2ObjectMap<String> metaModifiers;
	
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	public GameEntity(Scene scene) {
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		this.scene = scene;
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		this.moveState = MotionState.MOTION_STATE_NONE;
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	}
	
	public int getId() {
		return this.id;
	}
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	public int getEntityType() {
		return getId() >> 24;
	}
	
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	public World getWorld() {
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		return this.getScene().getWorld();
	}

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	public Scene getScene() {
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		return this.scene;
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	}
	
	public boolean isAlive() {
		return true;
	}

	public LifeState getLifeState() {
		return isAlive() ? LifeState.LIFE_ALIVE : LifeState.LIFE_DEAD;
	}
	
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	public Map<String, Float> getMetaOverrideMap() {
		if (this.metaOverrideMap == null) {
			this.metaOverrideMap = new HashMap<>();
		}
		return this.metaOverrideMap;
	}
	
	public Int2ObjectMap<String> getMetaModifiers() {
		if (this.metaModifiers == null) {
			this.metaModifiers = new Int2ObjectOpenHashMap<>();
		}
		return this.metaModifiers;
	}

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	public abstract Int2FloatOpenHashMap getFightProperties();
	
	public abstract Position getPosition();
	
	public abstract Position getRotation();
	
	public MotionState getMotionState() {
		return moveState;
	}

	public void setMotionState(MotionState moveState) {
		this.moveState = moveState;
	}

	public int getLastMoveSceneTimeMs() {
		return lastMoveSceneTimeMs;
	}

	public void setLastMoveSceneTimeMs(int lastMoveSceneTimeMs) {
		this.lastMoveSceneTimeMs = lastMoveSceneTimeMs;
	}

	public int getLastMoveReliableSeq() {
		return lastMoveReliableSeq;
	}

	public void setLastMoveReliableSeq(int lastMoveReliableSeq) {
		this.lastMoveReliableSeq = lastMoveReliableSeq;
	}
	
	public void setFightProperty(FightProperty prop, float value) {
		this.getFightProperties().put(prop.getId(), value);
	}
	
	private void setFightProperty(int id, float value) {
		this.getFightProperties().put(id, value);
	}
	
	public void addFightProperty(FightProperty prop, float value) {
		this.getFightProperties().put(prop.getId(), getFightProperty(prop) + value);
	}
	
	public float getFightProperty(FightProperty prop) {
		return getFightProperties().getOrDefault(prop.getId(), 0f);
	}
	
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	public void addAllFightPropsToEntityInfo(SceneEntityInfo.Builder entityInfo) {
		for (Int2FloatMap.Entry entry : getFightProperties().int2FloatEntrySet()) {
			if (entry.getIntKey() == 0) {
				continue;
			}
			FightPropPair fightProp = FightPropPair.newBuilder().setPropType(entry.getIntKey()).setPropValue(entry.getFloatValue()).build();
			entityInfo.addFightPropList(fightProp);
		}
	}
	
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	public int getBlockId() {
		return blockId;
	}

	public void setBlockId(int blockId) {
		this.blockId = blockId;
	}
	
	public int getConfigId() {
		return configId;
	}

	public void setConfigId(int configId) {
		this.configId = configId;
	}
	
	public int getGroupId() {
		return groupId;
	}

	public void setGroupId(int groupId) {
		this.groupId = groupId;
	}
	
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	protected MotionInfo getMotionInfo() {
		MotionInfo proto = MotionInfo.newBuilder()
				.setPos(getPosition().toProto())
				.setRot(getRotation().toProto())
				.setSpeed(Vector.newBuilder())
				.setState(this.getMotionState())
				.build();
		
		return proto;
	}
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	public SpawnDataEntry getSpawnEntry() {
		return spawnEntry;
	}

	public void setSpawnEntry(SpawnDataEntry spawnEntry) {
		this.spawnEntry = spawnEntry;
	}
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	public float heal(float amount) {
		if (this.getFightProperties() == null) {
			return 0f;
		}

		float curHp = getFightProperty(FightProperty.FIGHT_PROP_CUR_HP);
		float maxHp = getFightProperty(FightProperty.FIGHT_PROP_MAX_HP);
		
		if (curHp >= maxHp) {
			return 0f;
		}
		
		float healed = Math.min(maxHp - curHp, amount);
		this.addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, healed);
		
		getScene().broadcastPacket(new PacketEntityFightPropUpdateNotify(this, FightProperty.FIGHT_PROP_CUR_HP));
		
		return healed;
	}
	
	public void damage(float amount) {
		damage(amount, 0);
	}
	
	public void damage(float amount, int killerId) {
		// Sanity check
		if (getFightProperties() == null) {
			return;
		}
		
		// Lose hp
		addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, -amount);
		
		// Check if dead
		boolean isDead = false;
		if (getFightProperty(FightProperty.FIGHT_PROP_CUR_HP) <= 0f) {
			setFightProperty(FightProperty.FIGHT_PROP_CUR_HP, 0f);
			isDead = true;
		}
		
		// Packets
		this.getScene().broadcastPacket(new PacketEntityFightPropUpdateNotify(this, FightProperty.FIGHT_PROP_CUR_HP));
		
		// Check if dead
		if (isDead) {
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			getScene().killEntity(this, killerId);
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		}
	}
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    /**
     * Called when this entity is added to the world
     */
	public void onCreate() {
		
	}
	
	/**
     * Called when this entity dies
     * @param killerId Entity id of the entity that killed this entity
     */
	public void onDeath(int killerId) {
		
	}
	
	public abstract SceneEntityInfo toProto();
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}