function getBlockIdAndMeta( b ) {
var defaultMeta = 0,
i = 0,
bs,
md,
sp;
if (typeof b === 'number' || /^[0-9]+$/.test(b)) {
// wph 20130414 - use sensible defaults for certain blocks e.g. stairs
// should face the drone.
if ( blocks.isStair(b) ) {
defaultMeta = Drone.PLAYER_STAIRS_FACING[ this.dir % 4 ];
} else {
switch (b) {
case blocks.sign:
case blocks.ladder:
// bug: furnace, chest, dispenser don't always use the right metadata
case blocks.furnace:
case blocks.furnace_burning:
case blocks.chest:
case blocks.enderchest:
case blocks.dispenser:
defaultMeta = Drone.PLAYER_SIGN_FACING[ this.dir % 4 ];
break;
case blocks.sign_post:
defaultMeta = ( 12 + ( ( this.dir + 2 ) * 4 ) ) % 16;
break;
}
}
return [ b, defaultMeta ];
}
if ( typeof b === 'string' ) {
bs = b;
sp = bs.indexOf(':' );
if ( sp == -1 ) {
b = parseInt( bs );
return [ b, defaultMeta ];
}
b = parseInt(bs.substring(0,sp ) );
md = parseInt(bs.substring(sp+1,bs.length ) );
return [b,md];
}
if (b.id){
// wph 20141230 we are dealing with an object
var blockInfo = b;
var metadata = {};
for (i in b){
if (i !== 'id')
metadata[i] = b[i];
}
return [b.id, metadata];
}
}
/*
blocks which have facing
*/
function applyFacing( block, metadata ){
function face(direction){
property(block).set('facing', lookup.facing[direction]);
}
if ( blocks.isStair(block.typeId) ){
face( ['east','west','south','north'] [metadata] );
} else {
switch( block.typeId ){
case blocks.sign:
case blocks.ladder:
// bug: furnace, chest, dispenser don't always use the right metadata
case blocks.furnace:
case blocks.furnace_burning:
case blocks.chest:
case blocks.enderchest:
case blocks.dispenser:
face( [null,null,'north','south','west','east'][metadata] );
break;
case blocks.torch:
face( ['up'/* default */,'east','west','south','north','up'][metadata] );
break;
}
}
}