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A simple use-able karting car.
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Signed-off-by: 秋雨落 <[email protected]>
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@qyl27
qyl27 committed Nov 18, 2024
1 parent 2532a1e commit a2a4de7
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Showing 3 changed files with 200 additions and 41 deletions.
239 changes: 198 additions & 41 deletions src/main/java/org/teacon/powertool/entity/MartingEntity.java
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Original file line number Diff line number Diff line change
@@ -1,29 +1,55 @@
package org.teacon.powertool.entity;

import net.minecraft.client.model.geom.ModelLayerLocation;
import net.minecraft.core.component.DataComponents;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.MoverType;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.*;
import net.minecraft.world.entity.ai.attributes.AttributeMap;
import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.vehicle.VehicleEntity;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.PowderSnowBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.entity.EntityTypeTest;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.phys.Vec2;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.teacon.powertool.PowerTool;
import org.teacon.powertool.client.renders.entity.model.MartingEntityModel;
import org.teacon.powertool.item.PowerToolItems;
import org.w3c.dom.Attr;

import java.util.List;
import java.util.Objects;
import java.util.function.Supplier;

/**
* MalayP asked me to write a Karting Car.
*
* @author qyl27
*/
public class MartingEntity extends VehicleEntity {
public class MartingEntity extends LivingEntity {

// Rotate degrees of the steering wheel, negative for left, positive for right.
// Todo: each wheel speed depends on the steering wheel.
public static final EntityDataAccessor<Float> DATA_ID_STEERING_WHEEL_ROTATE_DEGREE = SynchedEntityData.defineId(MartingEntity.class, EntityDataSerializers.FLOAT);

public static final EntityDataAccessor<Float> DATA_ID_DAMAGE = SynchedEntityData.defineId(MartingEntity.class, EntityDataSerializers.FLOAT);

// Todo: wheel speed should depends on velocity.
public static final double WHEEL_ROTATE_DEGREE_PER_TICK = 18; // 360 / 20
Expand All @@ -33,27 +59,21 @@ public class MartingEntity extends VehicleEntity {
// <editor-fold desc="Persistent states.">

private Variant variant = Variant.RED;

private int remainingLifeTimeTicks = MAX_REMAINING_LIFE_TIME_TICKS;
private AttributeMap attributeMap;

// </editor-fold>

// <editor-fold desc="Temporary states.">

// Rotate degrees of the steering wheel, negative for left, positive for right.
// Todo: each wheel speed depends on the steering wheel.
private static final EntityDataAccessor<Float> DATA_ID_STEERING_WHEEL_ROTATE_DEGREE = SynchedEntityData.defineId(MartingEntity.class, EntityDataSerializers.FLOAT);

private double wheelRotateDegree = 0; // Wheels rotate degrees, client only

// </editor-fold>

public MartingEntity(EntityType<?> entityType, Level level) {
public MartingEntity(EntityType<MartingEntity> entityType, Level level) {
super(entityType, level);
}

// <editor-fold desc="Entity staff.">

public void setVariant(Variant variant) {
this.variant = variant;
}
Expand All @@ -62,14 +82,32 @@ public Variant getVariant() {
return variant;
}

// <editor-fold desc="Living entity staff.">

@Override
public @NotNull Iterable<ItemStack> getArmorSlots() {
return List.of();
}

@Override
protected @NotNull Item getDropItem() {
return variant.getItemSupplier().get();
public @NotNull ItemStack getItemBySlot(@NotNull EquipmentSlot equipmentSlot) {
return ItemStack.EMPTY;
}

@Override
public void setItemSlot(@NotNull EquipmentSlot equipmentSlot, @NotNull ItemStack itemStack) {
}

@Override
public @NotNull HumanoidArm getMainArm() {
return HumanoidArm.RIGHT;
}

@Override
public void tick() {
if (!level().isClientSide) {
super.tick();

if (!level().isClientSide()) {
if (remainingLifeTimeTicks < 0) {
discard();
}
Expand All @@ -79,73 +117,192 @@ public void tick() {
} else {
remainingLifeTimeTicks -= 1;
}
} else {
updateWheelsAnimation();
}
}

applyGravity();
updateInWaterStateAndDoFluidPushing();
@Override
public boolean hurt(@NotNull DamageSource source, float amount) {
if (!this.level().isClientSide && !this.isRemoved()) {
if (this.isInvulnerableTo(source)) {
return false;
} else {
this.hurtTime = 10;
this.markHurt();
this.setDamage(this.getDamage() + amount * 10.0F);
this.gameEvent(GameEvent.ENTITY_DAMAGE, source.getEntity());
boolean flag = source.getEntity() instanceof Player && ((Player) source.getEntity()).getAbilities().instabuild;
if ((flag || !(this.getDamage() > 40.0F)) && !this.shouldSourceDestroy(source)) {
if (flag) {
this.discard();
}
} else {
this.destroy(source);
}

move(MoverType.SELF, getDeltaMovement());
} else {
if (!getPassengers().isEmpty()) {
wheelRotateDegree += WHEEL_ROTATE_DEGREE_PER_TICK;
wheelRotateDegree %= 360;
return true;
}
} else {
return true;
}
}

super.tick();
boolean shouldSourceDestroy(DamageSource source) {
return false;
}

public void destroy(Item dropItem) {
this.kill();
if (this.level().getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
ItemStack itemstack = new ItemStack(dropItem);
itemstack.set(DataComponents.CUSTOM_NAME, this.getCustomName());
this.spawnAtLocation(itemstack);
}
}

protected void destroy(DamageSource source) {
this.destroy(this.getDropItem());
}

// </editor-fold>

// <editor-fold desc="Physics.">
// <editor-fold desc="Vehicle entity staff.">

@Override
protected double getDefaultGravity() {
return 0.04;
public boolean showVehicleHealth() {
return false;
}

@Override
public boolean canBeCollidedWith() {
return true;
public @NotNull InteractionResult interact(@NotNull Player player, @NotNull InteractionHand hand) {
var result = super.interact(player, hand);
if (result != InteractionResult.PASS) {
return result;
}

if (player.isSecondaryUseActive()) {
return InteractionResult.PASS;
}

if (!level().isClientSide()) {
return player.startRiding(this) ? InteractionResult.CONSUME : InteractionResult.PASS;
} else {
return InteractionResult.SUCCESS;
}
}

@Override
public boolean isPushable() {
return true;
protected @NotNull Item getDropItem() {
return variant.getItemSupplier().get();
}

@Override
public boolean isPickable() {
return true;
public void onPassengerTurned(@NotNull Entity passenger) {
super.onPassengerTurned(passenger);

setYRot(passenger.getYRot());
}

protected void updateWheelsAnimation() {
// Todo: update wheels speeds.
if (!getPassengers().isEmpty()) {
wheelRotateDegree += WHEEL_ROTATE_DEGREE_PER_TICK;
wheelRotateDegree %= 360;
}
}

@Override
public boolean canCollideWith(@NotNull Entity entity) {
return canVehicleCollide(this, entity);
public @Nullable LivingEntity getControllingPassenger() {
if (getFirstPassenger() instanceof Player player) {
return player;
}
return super.getControllingPassenger();
}

public static boolean canVehicleCollide(@NotNull Entity vehicle, @NotNull Entity entity) {
return (entity.canBeCollidedWith() || entity.isPushable()) && !vehicle.isPassengerOfSameVehicle(entity);
@Override
protected @NotNull Vec3 getRiddenInput(@NotNull Player player, @NotNull Vec3 travelVector) {
float deltaDirection = player.xxa * 0.5F;
float deltaForward = player.zza * 1.5F;
return new Vec3(deltaDirection, 0.0F, deltaForward);
}

// </editor-fold>

// <editor-fold desc="Data storage and sync.">

@Override
protected void readAdditionalSaveData(@NotNull CompoundTag compound) {
var variant = compound.getString("variant");
this.variant = Variant.from(variant);
public void readAdditionalSaveData(@NotNull CompoundTag compound) {
if (compound.contains("variant")) {
var variant = compound.getString("variant");
setVariant(Variant.from(variant));
}

if (compound.contains("lifetimeRemain")) {
remainingLifeTimeTicks = compound.getInt("lifetimeRemain");
}
}

@Override
protected void addAdditionalSaveData(@NotNull CompoundTag compound) {
public void addAdditionalSaveData(@NotNull CompoundTag compound) {
compound.putString("variant", variant.getName());
compound.putInt("lifetimeRemain", remainingLifeTimeTicks);
}

@Override
protected void defineSynchedData(SynchedEntityData.@NotNull Builder builder) {
super.defineSynchedData(builder);
builder.define(DATA_ID_STEERING_WHEEL_ROTATE_DEGREE, 0F);
builder.define(DATA_ID_DAMAGE, 0F);
}

public float getDamage() {
return entityData.get(DATA_ID_DAMAGE);
}

public void setDamage(float value) {
entityData.set(DATA_ID_DAMAGE, value);
}


@Override
public @NotNull AttributeMap getAttributes() {
if (attributeMap == null) {
attributeMap = new AttributeMap(createAttributes());
}
return attributeMap;
}

public static AttributeSupplier createAttributes() {
return AttributeSupplier.builder()
.add(Attributes.MAX_HEALTH, 1)
.add(Attributes.STEP_HEIGHT, 1)
.add(Attributes.MOVEMENT_SPEED, 0.25)
.add(Attributes.SCALE)
.add(Attributes.GRAVITY)
.add(Attributes.MOVEMENT_EFFICIENCY)
.add(Attributes.SAFE_FALL_DISTANCE, 30)
.add(Attributes.FALL_DAMAGE_MULTIPLIER)
.build();
}

@Override
public float getSpeed() {
return (float) getAttributeValue(Attributes.MOVEMENT_SPEED);
}

@Override
public void setSpeed(float speed) {
Objects.requireNonNull(getAttribute(Attributes.MOVEMENT_SPEED)).setBaseValue(speed);
}

@Override
public float getHealth() {
return getDamage();
}

@Override
public void setHealth(float health) {
setDamage(health);
}

// </editor-fold>
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1 change: 1 addition & 0 deletions src/main/resources/assets/powertool/lang/en_us.json
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Expand Up @@ -140,6 +140,7 @@
"powertool.gui.display_mode_disabled": "Disabled display mode on %s",
"powertool.gui.display_mode_error": "Could not enable display mode on %s because it has no ability to open any screen. Or press shift key and click again to force enable display mode.",

"entity.powertool.marting_car": "Marting Car",
"item.powertool.marting_car_red": "Marting Car (Red)",
"item.powertool.marting_car_green": "Marting Car (Green)",
"item.powertool.marting_car_blue": "Marting Car (Blue)",
Expand Down
1 change: 1 addition & 0 deletions src/main/resources/assets/powertool/lang/zh_cn.json
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Expand Up @@ -141,6 +141,7 @@
"powertool.gui.display_mode_disabled": "已在%s上禁用展示模式",
"powertool.gui.display_mode_error": "无法在%s上启用展示模式，因为它无法打开任何可交互界面.按下shift键强制启用展示模式.",

"entity.powertool.marting_car": "马丁车",
"item.powertool.marting_car_red": "马丁车（红色）",
"item.powertool.marting_car_green": "马丁车（绿色）",
"item.powertool.marting_car_blue": "马丁车（蓝色）",
Expand Down

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