NetHandlerPlayServer.java 文件源码

public void processAnimation(C0APacketAnimation p_147350_1_)
{
    if (this.playerEntity.isDead)
    {
        return;    // CraftBukkit
    }

    this.playerEntity.func_143004_u();

    if (p_147350_1_.func_149421_d() == 1)
    {
        // CraftBukkit start - Raytrace to look for 'rogue armswings'
        float f = 1.0F;
        float f1 = this.playerEntity.prevRotationPitch + (this.playerEntity.rotationPitch - this.playerEntity.prevRotationPitch) * f;
        float f2 = this.playerEntity.prevRotationYaw + (this.playerEntity.rotationYaw - this.playerEntity.prevRotationYaw) * f;
        double d0 = this.playerEntity.prevPosX + (this.playerEntity.posX - this.playerEntity.prevPosX) * (double) f;
        double d1 = this.playerEntity.prevPosY + (this.playerEntity.posY - this.playerEntity.prevPosY) * (double) f + 1.62D - (double) this.playerEntity.yOffset;
        double d2 = this.playerEntity.prevPosZ + (this.playerEntity.posZ - this.playerEntity.prevPosZ) * (double) f;
        Vec3 vec3 = Vec3.createVectorHelper(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 = 5.0D;
        Vec3 vec31 = vec3.addVector((double) f7 * d3, (double) f6 * d3, (double) f8 * d3);
        MovingObjectPosition movingobjectposition = this.playerEntity.worldObj.rayTraceBlocks(vec3, vec31, true);
        boolean valid = false;

        if (movingobjectposition == null || movingobjectposition.typeOfHit != MovingObjectPosition.MovingObjectType.BLOCK)
        {
            valid = true;
        }
        else
        {
            Block block = this.playerEntity.worldObj.getBlock(movingobjectposition.blockX, movingobjectposition.blockY, movingobjectposition.blockZ);

            if (!block.isOpaqueCube())   // Should be isBreakable?
            {
                valid = true;
            }
        }

        if (valid)
        {
            CraftEventFactory.callPlayerInteractEvent(this.playerEntity, Action.LEFT_CLICK_AIR, this.playerEntity.inventory.getCurrentItem());
        }

        // Arm swing animation
        PlayerAnimationEvent event = new PlayerAnimationEvent(this.getPlayerB());
        this.server.getPluginManager().callEvent(event);

        if (event.isCancelled())
        {
            return;
        }

        // CraftBukkit end
        this.playerEntity.swingItem();
    }
}