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允许获取命中的OBB部件

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17146 2025-06-20 16:27:07 +08:00 • committed by Light_Quanta
parent 869687d58a
commit 46e7c2b5e0
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GPG key ID: 11A39A1B8C890959
5 changed files with 57 additions and 15 deletions
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21
src/main/java/com/atsuishio/superbwarfare/entity/mixin/OBBHitter.java Normal file
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@ -0,0 +1,21 @@
package com.atsuishio.superbwarfare.entity.mixin;
import com.atsuishio.superbwarfare.tools.OBB;
import net.minecraft.world.entity.Entity;
public interface OBBHitter {
static OBBHitter getInstance(Entity entity) {
return (OBBHitter) entity;
}
/**
* 获取当前命中部分
*/
OBB.Part sbw$getCurrentHitPart();
/**
* 设置当前命中部分
*/
void sbw$setCurrentHitPart(OBB.Part part);
}

12
src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java
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@ -2,6 +2,7 @@ package com.atsuishio.superbwarfare.entity.vehicle.base;
import com.atsuishio.superbwarfare.Mod;
import com.atsuishio.superbwarfare.data.vehicle.VehicleData;
import com.atsuishio.superbwarfare.entity.mixin.OBBHitter;
import com.atsuishio.superbwarfare.entity.vehicle.DroneEntity;
import com.atsuishio.superbwarfare.entity.vehicle.damage.DamageModifier;
import com.atsuishio.superbwarfare.entity.vehicle.weapon.VehicleWeapon;
@ -48,6 +49,7 @@ import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Pose;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.entity.projectile.Projectile;
import net.minecraft.world.entity.vehicle.DismountHelper;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
@ -428,6 +430,12 @@ public abstract class VehicleEntity extends Entity {
repairCoolDown = maxRepairCoolDown();
}
// TODO 这里可以获取击中的部位，给需要的载具加一个部位受伤方法
if (source.getDirectEntity() instanceof Projectile projectile) {
OBBHitter accessor = OBBHitter.getInstance(projectile);
// System.out.println(accessor.sbw$getCurrentHitPart());
}
this.onHurt(computedAmount, source.getEntity(), true);
return super.hurt(source, computedAmount);
}
@ -449,10 +457,8 @@ public abstract class VehicleEntity extends Entity {
if (attacker != null) {
Vec3 toVec = new Vec3(getX(), getY() + getBbHeight() / 2, getZ()).vectorTo(attacker.position()).normalize();
float angle = (float) java.lang.Math.abs(VectorTool.calculateAngle(this.position().vectorTo(attacker.position()), this.getViewVector(1)));
return (float) java.lang.Math.max(1f - multiply * toVec.dot(getViewVector(1)), 0.5f);
return (float) Math.max(1f - multiply * toVec.dot(getViewVector(1)), 0.5f);
}
return 1;
}

17
src/main/java/com/atsuishio/superbwarfare/mixins/EntityMixin.java
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@ -1,6 +1,8 @@
package com.atsuishio.superbwarfare.mixins;
import com.atsuishio.superbwarfare.entity.mixin.OBBHitter;
import com.atsuishio.superbwarfare.entity.vehicle.base.MobileVehicleEntity;
import com.atsuishio.superbwarfare.tools.OBB;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.phys.Vec3;
import org.spongepowered.asm.mixin.Mixin;
@ -11,7 +13,7 @@ import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
@Mixin(Entity.class)
public class EntityMixin {
public class EntityMixin implements OBBHitter {
/**
* From Automobility
@ -38,6 +40,19 @@ public class EntityMixin {
}
}
@Unique
public OBB.Part sbw$currentHitPart;
@Override
public OBB.Part sbw$getCurrentHitPart() {
return this.sbw$currentHitPart;
}
@Override
public void sbw$setCurrentHitPart(OBB.Part part) {
this.sbw$currentHitPart = part;
}
// TODO 优化后续逻辑
// @Redirect(method = "turn(DD)V", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/entity/Entity;setXRot(F)V", ordinal = 1))
// public void turn(Entity instance, float pXRot) {

10
src/main/java/com/atsuishio/superbwarfare/mixins/ProjectileUtilMixin.java
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@ -1,10 +1,9 @@
package com.atsuishio.superbwarfare.mixins;
import com.atsuishio.superbwarfare.entity.OBBEntity;
import com.atsuishio.superbwarfare.entity.vehicle.Bmp2Entity;
import com.atsuishio.superbwarfare.entity.mixin.OBBHitter;
import com.atsuishio.superbwarfare.init.ModParticleTypes;
import com.atsuishio.superbwarfare.init.ModSounds;
import com.atsuishio.superbwarfare.tools.OBB;
import net.minecraft.core.BlockPos;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.server.level.ServerLevel;
@ -25,7 +24,6 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import java.util.Optional;
import java.util.function.Predicate;
import static com.atsuishio.superbwarfare.entity.vehicle.Bmp2Entity.TURRET_DAMAGED;
import static com.atsuishio.superbwarfare.tools.ParticleTool.sendParticle;
@Mixin(ProjectileUtil.class)
@ -47,6 +45,9 @@ public class ProjectileUtilMixin {
double d1 = pStartVec.distanceToSqr(new Vec3(optional.get()));
if (d1 < Double.MAX_VALUE) {
EntityHitResult hitResult = new EntityHitResult(entity, new Vec3(optional.get()));
var acc = OBBHitter.getInstance(pProjectile);
acc.sbw$setCurrentHitPart(obb.part());
cir.setReturnValue(hitResult);
if (pLevel instanceof ServerLevel serverLevel && pProjectile.getDeltaMovement().lengthSqr() > 0.01) {
Vec3 hitPos = hitResult.getLocation();
@ -55,9 +56,6 @@ public class ProjectileUtilMixin {
sendParticle(serverLevel, ParticleTypes.SMOKE, hitPos.x, hitPos.y, hitPos.z, 2, 0, 0, 0, 0.01, false);
}
}
if (obbEntity instanceof Bmp2Entity bmp2 && obb.part() == OBB.Part.TURRET) {
bmp2.getEntityData().set(TURRET_DAMAGED, true);
}
}
}
}

12
src/main/java/com/atsuishio/superbwarfare/tools/OBB.java
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@ -15,6 +15,7 @@ import java.util.Optional;
* @param center 旋转中心
* @param extents 三个轴向上的半长
* @param rotation 旋转
* @param part 部件
*/
public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation, Part part) {
@ -257,10 +258,11 @@ public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation, Part
}
public enum Part {
WHEEL_LEFT(),
WHEEL_RIGHT(),
TURRET(),
ENGINE(),
BODY();
EMPTY,
WHEEL_LEFT,
WHEEL_RIGHT,
TURRET,
ENGINE,
BODY
}
}