Java World.rayTraceBlocks方法代码示例

import net.minecraft.world.World; //导入方法依赖的package包/类
protected MovingObjectPosition getMovingObjectPositionFromPlayer(World worldIn, EntityPlayer playerIn, boolean useLiquids)
{
    float f = playerIn.rotationPitch;
    float f1 = playerIn.rotationYaw;
    double d0 = playerIn.posX;
    double d1 = playerIn.posY + (double)playerIn.getEyeHeight();
    double d2 = playerIn.posZ;
    Vec3 vec3 = new Vec3(d0, d1, d2);
    float f2 = MathHelper.cos(-f1 * 0.017453292F - (float)Math.PI);
    float f3 = MathHelper.sin(-f1 * 0.017453292F - (float)Math.PI);
    float f4 = -MathHelper.cos(-f * 0.017453292F);
    float f5 = MathHelper.sin(-f * 0.017453292F);
    float f6 = f3 * f4;
    float f7 = f2 * f4;
    double d3 = 5.0D;
    Vec3 vec31 = vec3.addVector((double)f6 * d3, (double)f5 * d3, (double)f7 * d3);
    return worldIn.rayTraceBlocks(vec3, vec31, useLiquids, !useLiquids, false);
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
/**
 * Updates the task
 */
@Override
public void updateTask() {
	Random random = enderman.getRNG();
	World world = EasyMappings.world(enderman);
	int i = MathUtils.floor(enderman.posX - 2.0D + random.nextDouble() * 4.0D);
	int j = MathUtils.floor(enderman.posY + random.nextDouble() * 3.0D);
	int k = MathUtils.floor(enderman.posZ - 2.0D + random.nextDouble() * 4.0D);
	BlockPos blockpos = new BlockPos(i, j, k);
	IBlockState iblockstate = world.getBlockState(blockpos);
	Block block = iblockstate.getBlock();
	RayTraceResult raytraceresult = world.rayTraceBlocks(new Vec3d(MathUtils.floor(enderman.posX) + 0.5F, j + 0.5F, MathUtils.floor(enderman.posZ) + 0.5F), new Vec3d(i + 0.5F, j + 0.5F, k + 0.5F), false, true, false);
	boolean flag = raytraceresult != null && raytraceresult.getBlockPos().equals(blockpos);

	if (EntityEvolvedEnderman.getCarriable(block) && flag) {
		enderman.setHeldBlockState(iblockstate);
		world.setBlockToAir(blockpos);
	}
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
private RayTraceResult rayTraceFromEntity(World world, Entity player, boolean par3, double range) {
	
	float f = 1.0F;
	float f1 = player.prevRotationPitch + (player.rotationPitch - player.prevRotationPitch) * f;
	float f2 = player.prevRotationYaw + (player.rotationYaw - player.prevRotationYaw) * f;
	double d0 = player.prevPosX + (player.posX - player.prevPosX) * f;
	double d1 = player.prevPosY + (player.posY - player.prevPosY) * f;
	if (player instanceof EntityPlayer)
		d1 += ((EntityPlayer)player).eyeHeight;
	double d2 = player.prevPosZ + (player.posZ - player.prevPosZ) * f;
	Vec3d vec3 = new Vec3d(d0, d1, d2);
	float f3 = MathHelper.cos(-f2 * 0.017453292F - (float)Math.PI);
	float f4 = MathHelper.sin(-f2 * 0.017453292F - (float)Math.PI);
	float f5 = -MathHelper.cos(-f1 * 0.017453292F);
	float f6 = MathHelper.sin(-f1 * 0.017453292F);
	float f7 = f4 * f5;
	float f8 = f3 * f5;
	double d3 = range;
	Vec3d vec31 = vec3.addVector(f7 * d3, f6 * d3, f8 * d3);
	return world.rayTraceBlocks(vec3, vec31, par3);
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
public void updateTask()
{
    Random random = this.enderman.getRNG();
    World world = this.enderman.world;
    int i = MathHelper.floor(this.enderman.posX - 2.0D + random.nextDouble() * 4.0D);
    int j = MathHelper.floor(this.enderman.posY + random.nextDouble() * 3.0D);
    int k = MathHelper.floor(this.enderman.posZ - 2.0D + random.nextDouble() * 4.0D);
    BlockPos blockpos = new BlockPos(i, j, k);
    IBlockState iblockstate = world.getBlockState(blockpos);
    Block block = iblockstate.getBlock();
    RayTraceResult raytraceresult = world.rayTraceBlocks(new Vec3d((double)((float)MathHelper.floor(this.enderman.posX) + 0.5F), (double)((float)j + 0.5F), (double)((float)MathHelper.floor(this.enderman.posZ) + 0.5F)), new Vec3d((double)((float)i + 0.5F), (double)((float)j + 0.5F), (double)((float)k + 0.5F)), false, true, false);
    boolean flag = raytraceresult != null && raytraceresult.getBlockPos().equals(blockpos);

    if (EntityEnderman.CARRIABLE_BLOCKS.contains(block) && flag)
    {
        this.enderman.setHeldBlockState(iblockstate);
        world.setBlockToAir(blockpos);
    }
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
protected RayTraceResult rayTrace(World worldIn, EntityPlayer playerIn, boolean useLiquids)
{
    float f = playerIn.rotationPitch;
    float f1 = playerIn.rotationYaw;
    double d0 = playerIn.posX;
    double d1 = playerIn.posY + (double)playerIn.getEyeHeight();
    double d2 = playerIn.posZ;
    Vec3d vec3d = new Vec3d(d0, d1, d2);
    float f2 = MathHelper.cos(-f1 * 0.017453292F - (float)Math.PI);
    float f3 = MathHelper.sin(-f1 * 0.017453292F - (float)Math.PI);
    float f4 = -MathHelper.cos(-f * 0.017453292F);
    float f5 = MathHelper.sin(-f * 0.017453292F);
    float f6 = f3 * f4;
    float f7 = f2 * f4;
    double d3 = 5.0D;
    Vec3d vec3d1 = vec3d.addVector((double)f6 * 5.0D, (double)f5 * 5.0D, (double)f7 * 5.0D);
    return worldIn.rayTraceBlocks(vec3d, vec3d1, useLiquids, !useLiquids, false);
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
/**
 * Updates the task
 */
public void updateTask()
{
    Random random = this.enderman.getRNG();
    World world = this.enderman.worldObj;
    int i = MathHelper.floor_double(this.enderman.posX - 2.0D + random.nextDouble() * 4.0D);
    int j = MathHelper.floor_double(this.enderman.posY + random.nextDouble() * 3.0D);
    int k = MathHelper.floor_double(this.enderman.posZ - 2.0D + random.nextDouble() * 4.0D);
    BlockPos blockpos = new BlockPos(i, j, k);
    IBlockState iblockstate = world.getBlockState(blockpos);
    Block block = iblockstate.getBlock();
    RayTraceResult raytraceresult = world.rayTraceBlocks(new Vec3d((double)((float)MathHelper.floor_double(this.enderman.posX) + 0.5F), (double)((float)j + 0.5F), (double)((float)MathHelper.floor_double(this.enderman.posZ) + 0.5F)), new Vec3d((double)((float)i + 0.5F), (double)((float)j + 0.5F), (double)((float)k + 0.5F)), false, true, false);
    boolean flag = raytraceresult != null && raytraceresult.getBlockPos().equals(blockpos);

    if (EntityEnderman.CARRIABLE_BLOCKS.contains(block) && flag)
    {
        this.enderman.setHeldBlockState(iblockstate);
        world.setBlockToAir(blockpos);
    }
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
protected RayTraceResult rayTrace(World worldIn, EntityPlayer playerIn, boolean useLiquids)
{
    float f = playerIn.rotationPitch;
    float f1 = playerIn.rotationYaw;
    double d0 = playerIn.posX;
    double d1 = playerIn.posY + (double)playerIn.getEyeHeight();
    double d2 = playerIn.posZ;
    Vec3d vec3d = new Vec3d(d0, d1, d2);
    float f2 = MathHelper.cos(-f1 * 0.017453292F - (float)Math.PI);
    float f3 = MathHelper.sin(-f1 * 0.017453292F - (float)Math.PI);
    float f4 = -MathHelper.cos(-f * 0.017453292F);
    float f5 = MathHelper.sin(-f * 0.017453292F);
    float f6 = f3 * f4;
    float f7 = f2 * f4;
    double d3 = 5.0D;
    if (playerIn instanceof net.minecraft.entity.player.EntityPlayerMP)
    {
        d3 = ((net.minecraft.entity.player.EntityPlayerMP)playerIn).interactionManager.getBlockReachDistance();
    }
    Vec3d vec3d1 = vec3d.addVector((double)f6 * d3, (double)f5 * d3, (double)f7 * d3);
    return worldIn.rayTraceBlocks(vec3d, vec3d1, useLiquids, !useLiquids, false);
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
private void pushEntities(World world, BlockPos pos, Vec3d tileVec) {
    AxisAlignedBB bbBox = new AxisAlignedBB(pos.add(-grateRange, -grateRange, -grateRange), pos.add(grateRange + 1, grateRange + 1, grateRange + 1));
    List<Entity> entities = world.getEntitiesWithinAABB(Entity.class, bbBox, new StringFilterEntitySelector().setFilter(entityFilter));
    double d0 = grateRange + 0.5D;
    for (Entity entity : entities) {
        if (!entity.world.isRemote && entity.getDistanceSq(pos.getX() + 0.5D, pos.getY() + 0.5D, pos.getZ() + 0.5D) < 0.6D && entity instanceof EntityItem && !entity.isDead) {
            ItemStack leftover = ((EntityItem) entity).getItem();
            for (EnumFacing dir : EnumFacing.VALUES) {
                TileEntity inv = pressureTube.world().getTileEntity(pos.offset(dir));
                leftover = IOHelper.insert(inv, leftover, dir.getOpposite(), false);
                if (leftover.isEmpty()) break;
            }
            if (leftover.isEmpty()) {
                entity.setDead();
            } else {
                ((EntityItem) entity).setItem(leftover);
            }
        } else {
            if (!(entity instanceof EntityPlayer) || !((EntityPlayer) entity).capabilities.isCreativeMode) {
                Vec3d entityVec = new Vec3d(entity.posX, entity.posY, entity.posZ);
                RayTraceResult trace = world.rayTraceBlocks(entityVec, tileVec);
                if (trace != null && trace.getBlockPos().equals(pos)) {
                    double d1 = (entity.posX - pos.getX() - 0.5D) / d0;
                    double d2 = (entity.posY - pos.getY() - 0.5D) / d0;
                    double d3 = (entity.posZ - pos.getZ() - 0.5D) / d0;
                    double d4 = Math.sqrt(d1 * d1 + d2 * d2 + d3 * d3);
                    double d5 = 1.0D - d4;

                    if (d5 > 0.0D) {
                        d5 *= d5;
                        if (!vacuum) d5 *= -1;
                        entity.motionX -= d1 / d4 * d5 * 0.1D;
                        entity.motionY -= d2 / d4 * d5 * 0.1D;
                        entity.motionZ -= d3 / d4 * d5 * 0.1D;
                    }
                }
            }
        }
    }
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
/**
 * checking if two Vec3d can see each other (there are not any block between)
 *
 * the started pos can be likely to:
 *                   for block: new Vec3d(pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5)
 *                   for entity: entity.getPositionVector().addVector(0, entity.getEyeHeight(), 0);
 *
 * @return if can see each other
 */
public static boolean canSee(World world, Vec3d traceStart, Vec3d traceEnd) {
    Vec3d vecDelta = new Vec3d(
            traceEnd.x - traceStart.x,
            traceEnd.y - traceStart.y,
            traceEnd.z - traceStart.z
    );

    // Normalize vector to the largest delta axis
    double vecDeltaLength = MathHelper.absMax(vecDelta.x, MathHelper.absMax(vecDelta.y, vecDelta.z));

    vecDelta = vecDelta.scale(1 / vecDeltaLength);

    // Limit how many non solid block a turret can see through
    for (int i = 0; i < 10; i++) {
        // Offset start position toward the target to prevent self collision
        traceStart = traceStart.add(vecDelta);

        RayTraceResult traced = world.rayTraceBlocks(traceStart.add(Vec3d.ZERO), traceEnd.add(Vec3d.ZERO));

        if (traced != null && traced.typeOfHit == RayTraceResult.Type.BLOCK) {
            IBlockState hitBlock = world.getBlockState(traced.getBlockPos());

            // If non solid block is in the way then proceed to continue
            // tracing
            if (hitBlock != null && !hitBlock.getMaterial().isSolid() && MathHelper.absMax(
                    MathHelper.absMax(traceStart.x - traceEnd.x, traceStart.y - traceEnd.y),
                    traceStart.z - traceEnd.z) > 1) {
                // Start at new position and continue
                traceStart = traced.hitVec;
                continue;
            }
        }
        return traced != null;
    }

    // If all above failed, the target cannot be seen
    return false;
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
public static int getFluidCostBlink(World world, EntityPlayer player, int distance) {

        Vec3d eye = new Vec3d(player.posX, player.posY + player.getEyeHeight(), + player.posZ);
        Vec3d look = player.getLookVec();
        Vec3d end = eye.add(new Vec3d(look.x * distance, look.y * distance, look.z * distance));

        RayTraceResult res = world.rayTraceBlocks(eye, end, false, true, false);
        if(res == null) {
           return 0;
        }
        else {
            return ItemTransporter.teleportFluidBlinkCost;
        }
    }
 

import net.minecraft.world.World; //导入方法依赖的package包/类
public static boolean performBlink(World world, EntityPlayer player, int distance) {

        Vec3d eye = new Vec3d(player.posX, player.posY + player.getEyeHeight() - 0.08, + player.posZ);
        Vec3d look = player.getLookVec();
        Vec3d end = eye.add(new Vec3d(look.x * distance, look.y * distance, look.z * distance));

        RayTraceResult res = world.rayTraceBlocks(eye, end, false, true, false);
        if(res == null) {
            movePlayer(end, player, true);
            return true;
        }
        else {

            List<BlockPos> empty = getBlinkPositions(res, eye, end, distance, world);
            if(empty.size() == 0) {
                return false;
            }

            BlockPos target = empty.get(empty.size() / 2);

            if(target != null) {
                movePlayer(new Vec3d(target.getX() + 0.5, target.getY(), target.getZ() + 0.5), player, false);
                return true;
            }
        }

        return false;
    }
 

import net.minecraft.world.World; //导入方法依赖的package包/类
public static float damageBlock(BlockPos pos, EntityLivingBase living, World world, ItemStack stack, int critical, float damage, Vec3d forwardVec, Explosion explosion) {
	IBlockState state = world.getBlockState(pos);
	Block block = state.getBlock();
	if (block.isAir(state, world, pos) || TF2ConfigVars.destTerrain == 0 || state.getBlockHardness(world, pos) < 0 ||
			(!(living instanceof EntityPlayer) && !world.getGameRules().getBoolean("mobGriefing")) || (living instanceof EntityPlayer && !world.isBlockModifiable((EntityPlayer) living, pos)))
		return 0;

	DestroyBlockEntry finalEntry = null;
	int entryId = 0;
	int emptyId = -1;
	for (int i = 0; i < TF2EventsCommon.destroyProgress.size(); i++) {
		DestroyBlockEntry entry = TF2EventsCommon.destroyProgress.get(i);
		if (emptyId == -1 && entry == null)
			emptyId = i;
		if (entry != null && entry.world == world && entry.pos.equals(pos)) {
			finalEntry = entry;
			entryId = i;
			break;
		}
	}
	if (finalEntry == null) {
		finalEntry = new DestroyBlockEntry(pos, world);
		if (emptyId != -1) {
			TF2EventsCommon.destroyProgress.set(emptyId, finalEntry);
			entryId = emptyId;
		} else {
			TF2EventsCommon.destroyProgress.add(finalEntry);
			entryId = TF2EventsCommon.destroyProgress.size() - 1;
		}

	}

	/*if (block instanceof BlockChest) {
		((TileEntityChest) world.getTileEntity(pos)).setLootTable(LootTableList.CHESTS_NETHER_BRIDGE, living.getRNG().nextLong());
	}*/
	float hardness = TF2Util.getHardness(state, world, pos);

	if (!stack.isEmpty() && stack.getItem() instanceof ItemSniperRifle && hardness > 100)
		damage *= 3;
	finalEntry.curDamage += damage;

	if (living != null)
		world.sendBlockBreakProgress(Math.min(Integer.MAX_VALUE, 0xFFFF + entryId), pos, (int) ((finalEntry.curDamage / hardness) * 10));

	if (finalEntry.curDamage >= hardness) {
		if (living != null && living instanceof EntityPlayer)
			block.harvestBlock(world, (EntityPlayer) living, pos, state, null, stack);
		else {
			block.dropBlockAsItem(world, pos, state, 0);
			block.onBlockExploded(world, pos, explosion);
		}
		TF2EventsCommon.destroyProgress.remove(finalEntry);

		boolean flag = (living == null || !(living instanceof EntityPlayer) && world.isAirBlock(pos)) || block.removedByPlayer(state, world, pos, (EntityPlayer) living, true);

		if (flag) {
			if (living != null) {
				world.playEvent(2001, pos, Block.getStateId(state));
				world.sendBlockBreakProgress(Math.min(Integer.MAX_VALUE, 0xFFFF + entryId), pos, -1);
			}
			block.onBlockDestroyedByPlayer(world, pos, state);

			if (forwardVec != null) {
				RayTraceResult trace = world.rayTraceBlocks(living.getPositionVector().addVector(0, living.getEyeHeight(), 0), forwardVec, false, true, false);
				if (trace != null)
					damageBlock(trace.getBlockPos(), living, world, stack, critical, finalEntry.curDamage - hardness, forwardVec, explosion);
			}
		}
		return finalEntry.curDamage - hardness;
	}
	return 0;
}
 

import net.minecraft.world.World; //导入方法依赖的package包/类
@Override
@Nonnull
public ActionResult<ItemStack> onItemRightClick(@Nonnull ItemStack itemStackIn, World worldIn, EntityPlayer playerIn, EnumHand hand) {
    float f1 = playerIn.prevRotationPitch + (playerIn.rotationPitch - playerIn.prevRotationPitch) * 1.0F;
    float f2 = playerIn.prevRotationYaw + (playerIn.rotationYaw - playerIn.prevRotationYaw) * 1.0F;
    double d0 = playerIn.prevPosX + (playerIn.posX - playerIn.prevPosX) * 1.0D;
    double d1 = playerIn.prevPosY + (playerIn.posY - playerIn.prevPosY) * 1.0D + (double)playerIn.getEyeHeight();
    double d2 = playerIn.prevPosZ + (playerIn.posZ - playerIn.prevPosZ) * 1.0D;
    Vec3d vec3d = new Vec3d(d0, d1, d2);
    float f3 = MathHelper.cos(-f2 * 0.017453292F - (float)Math.PI);
    float f4 = MathHelper.sin(-f2 * 0.017453292F - (float)Math.PI);
    float f5 = -MathHelper.cos(-f1 * 0.017453292F);
    float f6 = MathHelper.sin(-f1 * 0.017453292F);
    float f7 = f4 * f5;
    float f8 = f3 * f5;
    Vec3d vec3d1 = vec3d.addVector((double)f7 * 5.0D, (double)f6 * 5.0D, (double)f8 * 5.0D);
    RayTraceResult raytraceresult = worldIn.rayTraceBlocks(vec3d, vec3d1, false);

    if (raytraceresult == null)
    {
        return new ActionResult<>(EnumActionResult.PASS, itemStackIn);
    }
    else
    {
        Vec3d vec3d2 = playerIn.getLook(1.0F);
        boolean flag = false;
        List<Entity> list = worldIn.getEntitiesWithinAABBExcludingEntity(playerIn, playerIn.getEntityBoundingBox().addCoord(vec3d2.xCoord * 5.0D, vec3d2.yCoord * 5.0D, vec3d2.zCoord * 5.0D).expandXyz(1.0D));

        for (int i = 0; i < list.size(); ++i)
        {
            Entity entity = list.get(i);

            if (entity.canBeCollidedWith())
            {
                AxisAlignedBB axisalignedbb = entity.getEntityBoundingBox().expandXyz((double)entity.getCollisionBorderSize());

                if (axisalignedbb.isVecInside(vec3d))
                {
                    flag = true;
                }
            }
        }

        if (flag)
        {
            return new ActionResult<>(EnumActionResult.PASS, itemStackIn);
        }
        else if (raytraceresult.typeOfHit != RayTraceResult.Type.BLOCK)
        {
            return new ActionResult<>(EnumActionResult.PASS, itemStackIn);
        }
        else
        {
            EntityTractor entityTractor = new EntityTractor(worldIn, raytraceresult.hitVec.xCoord, raytraceresult.hitVec.yCoord, raytraceresult.hitVec.zCoord);
            entityTractor.rotationYaw = playerIn.rotationYaw;

            if (!worldIn.getCollisionBoxes(entityTractor, entityTractor.getEntityBoundingBox().expandXyz(-0.1D)).isEmpty())
            {
                return new ActionResult<>(EnumActionResult.FAIL, itemStackIn);
            }
            else
            {
                if (!worldIn.isRemote)
                {
                    worldIn.spawnEntity(entityTractor);
                }

                if (!playerIn.capabilities.isCreativeMode)
                {
                    --itemStackIn.stackSize;
                }

                playerIn.addStat(StatList.getObjectUseStats(this));
                return new ActionResult<>(EnumActionResult.SUCCESS, itemStackIn);
            }
        }
    }
}