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window.room = (function(){
var room = function(opt){
this.id = opt.id || clipper.rooms.length
this.rect = opt.rect
this.regions = []
this.height = opt.height || 200
this.focused = false
this.$walls = $([])
this.$floor = $([])
this.$ceiling = $([])
}
room.prototype.toString = function(){
return this.rect.toString()
}
room.prototype.reset = function(){
var copy = this.rect.clone()
copy.id = this.id
copy.sides = FRONT | BACK | LEFT | RIGHT
this.regions = [ copy ]
this.intersects = []
this.constructed = false
this.$walls = $([])
this.$floor = $([])
this.$ceiling = $([])
}
room.prototype.clipTo = function(r){
// for each of this rect's regions split the region if necessary
var regions = this.regions
var splits
for (var i = 0, len = regions.length; i < len; i++) {
if (regions[i] && regions[i].intersects(r)) {
splits = regions[i].split(r)
regions = regions.concat(splits)
regions[i] = null
}
}
this.regions = regions
}
room.prototype.collides = function(x,y){
var collision = 0
this.regions.forEach(function(r){
if (! r.sides) return
if ((r.sides & FRONT) && y < r.y.a && r.x.contains(x)) {
collision |= FRONT
}
if ((r.sides & BACK) && r.y.b < y && r.x.contains(x)) {
collision |= BACK
}
if ((r.sides & LEFT) && x < r.x.a && r.y.contains(y)) {
collision |= LEFT
}
if ((r.sides & RIGHT) && r.x.b < x && r.y.contains(y)) {
collision |= RIGHT
}
})
return collision
}
return room
})()
function bitcount(v) {
v = v - ((v >>> 1) & 0x55555555);
v = (v & 0x33333333) + ((v >>> 2) & 0x33333333);
return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24;
}
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