summaryrefslogtreecommitdiff
path: root/test/04-test-builder.js
blob: fa624f827ea9ff669e1910767efe3d614961247e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
var assert = require("assert")
var vec = require("../public/assets/javascripts/rectangles/models/vec2.js")
var Rect = require("../public/assets/javascripts/rectangles/models/rect.js")
var Room = require("../public/assets/javascripts/rectangles/models/room.js")
var Rooms = require("../public/assets/javascripts/rectangles/engine/rooms/_rooms.js")
var Clipper = require("../public/assets/javascripts/rectangles/engine/rooms/clipper.js")
var Builder = require("../public/assets/javascripts/rectangles/engine/rooms/builder.js")
var FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
var ALL = FRONT | BACK | LEFT | RIGHT
function sidesToString(sides){
  var s = ""
  if (sides & FRONT) s += "front "
  if (sides & BACK)  s += "back "
  if (sides & LEFT)  s += "left "
  if (sides & RIGHT) s += "right "
  if (sides & TOP)  s += "top "
  if (sides & BOTTOM) s += "bottom "
  return s
}
function bitcount(v) {
  v = v - ((v >>> 1) & 0x55555555);
  v = (v & 0x33333333) + ((v >>> 2) & 0x33333333);
  return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24;
}

var rect      = new Rect( new vec(1,5), new vec(1,5) )
var east      = new Rect( new vec(2,6), new vec(1,5) )
var corner    = new Rect( new vec(3,7), new vec(3,7) )
var peninsula = new Rect( new vec(4,6), new vec(6,8) )

var rect_room      = new Room({ id: "rect", rect: rect, height: 2 })
var east_room      = new Room({ id: "east", rect: east, height: 2 })
var corner_room    = new Room({ id: "corner", rect: corner, height: 2 })
var peninsula_room = new Room({ id: "peninsula", rect: peninsula, height: 2 })

var taller_room = new Room({ id: "taller", rect: rect, height: 3 })

function report(a) {
  console.log( a.join("\n") )
}
function reportSides(walls) {
  console.log(walls.map(function(w){ return sidesToString(w.side) }).join("\n"))
}
function count_wall_sides (wall_groups) {
  var wall_sides = {}
  wall_sides[LEFT] = 0
  wall_sides[RIGHT] = 0
  wall_sides[FRONT] = 0
  wall_sides[BACK] = 0
  wall_sides[TOP] = 0
  wall_sides[BOTTOM] = 0
  wall_sides.total = 0
  wall_groups.map(function(walls){
    walls.forEach(function(wall){
      wall_sides[wall.side] += 1
      wall_sides.total += 1
    })
  })
  return wall_sides
}
function reset(){
  Rooms.forEach(function(room){
    room.reset()
  })
  Rooms.list = {}
  Rooms.regions = []
}
function rebuild(){
  Rooms.clipper.reset_rects()
  var regions = Rooms.clipper.clip_rects()
  var culled = Rooms.clipper.cull_rects_iterative()
  return culled
}

describe('builder', function(){

  reset()
  Rooms.add( rect_room )
  rebuild()

  describe('#build_walls(rect)', function(){
    var walls = Rooms.builder.build_walls(rect_room.regions[0])

    it("should return 4 walls", function(){
      assert.equal(4, walls.length)
    })
    it("should have one side per wall", function(){
      assert.equal(1, bitcount(walls[0].side))
      assert.equal(1, bitcount(walls[1].side))
      assert.equal(1, bitcount(walls[2].side))
      assert.equal(1, bitcount(walls[3].side))
    })
  })

  describe('#build_floors(rect)', function(){
    var floors = Rooms.builder.build_floors(rect_room)
    it("should make 2 floors", function(){
      assert.equal(2, floors.length)
    })
  })

  // rect vs east

  reset()
  Rooms.add( rect_room )
  Rooms.add( east_room )
  var regions = rebuild()

  describe('#build_walls(rect, east)', function(){

    var wall_groups = regions.map(Rooms.builder.build_walls.bind(Rooms.builder))
    var wall_sides = count_wall_sides(wall_groups)

    // reportSides(w); console.log("--")

    it("should return 8 walls", function(){
      assert.equal(8, wall_sides.total)
    })
    it("should have 3 front walls", function(){
      assert.equal(3, wall_sides[FRONT])
    })
    it("should have 3 back walls", function(){
      assert.equal(3, wall_sides[BACK])
    })
    it("should have 1 left wall", function(){
      assert.equal(1, wall_sides[LEFT])
    })
    it("should have 1 right wall", function(){
      assert.equal(1, wall_sides[RIGHT])
    })
  })

  describe('#build_floors(rect, east)', function(){
    var fg = Rooms.builder.build_floors(rect_room)
    var fg2 = Rooms.builder.build_floors(east_room)
    var fg_floors = fg.filter(function(r){ return ! r.half_side })
    var fg_halves = fg.filter(function(r){ return r.half_side })
    var fg2_floors = fg2.filter(function(r){ return ! r.half_side })
    var fg2_halves = fg2.filter(function(r){ return r.half_side })

    it("should make 4 floors", function(){
      assert.equal(2, fg_floors.length)
      assert.equal(2, fg2_floors.length)
    })
    it("should make 0 half-walls", function(){
      assert.equal(0, fg_halves.length)
      assert.equal(0, fg2_halves.length)
    })
  })

  // rect vs corner

  reset()
  Rooms.add( rect_room )
  Rooms.add( corner_room )
  var regions = rebuild()

  describe('#build_walls(rect, corner)', function(){

    var wall_groups = regions.map(Rooms.builder.build_walls.bind(Rooms.builder))
    var wall_sides = count_wall_sides(wall_groups)

    // reportSides(w); console.log("--")

    it("should return 12 walls", function(){
      assert.equal(12, wall_sides.total)
    })
    it("should have 3 front walls", function(){
      assert.equal(3, wall_sides[FRONT])
    })
    it("should have 3 back walls", function(){
      assert.equal(3, wall_sides[BACK])
    })
    it("should have 3 left walls", function(){
      assert.equal(3, wall_sides[LEFT])
    })
    it("should have 3 right walls", function(){
      assert.equal(3, wall_sides[RIGHT])
    })
  })

  describe('#build_floors(rect, corner)', function(){
    var fg = Rooms.builder.build_floors(rect_room)
    var fg2 = Rooms.builder.build_floors(corner_room)
    var fg_floors = fg.filter(function(r){ return ! r.half_side })
    var fg_halves = fg.filter(function(r){ return r.half_side })
    var fg2_floors = fg2.filter(function(r){ return ! r.half_side })
    var fg2_halves = fg2.filter(function(r){ return r.half_side })

    it("should make 8 floors", function(){
      assert.equal(2, fg_floors.length)
      assert.equal(6, fg2_floors.length)
    })
    it("should make 0 half-walls", function(){
      assert.equal(0, fg_halves.length)
      assert.equal(0, fg2_halves.length)
    })
  })

  // taller (rect) vs east

  reset()
  Rooms.add( taller_room )
  Rooms.add( east_room )
  var regions = rebuild()

  describe('#build_floors(taller, east)', function(){
    var fg = Rooms.builder.build_floors(taller_room)
    var fg2 = Rooms.builder.build_floors(east_room)
    var fg_floors = fg.filter(function(r){ return ! r.half_side })
    var fg_halves = fg.filter(function(r){ return r.half_side })
    var fg2_floors = fg2.filter(function(r){ return ! r.half_side })
    var fg2_halves = fg2.filter(function(r){ return r.half_side })

    it("should make 4 floors", function(){
      assert.equal(2, fg_floors.length)
      assert.equal(2, fg2_floors.length)
    })
    it("should make 3 half-walls", function(){
      assert.equal(0, fg_halves.length)
      assert.equal(3, fg2_halves.length)
    })
  })

  // taller vs corner

  reset()
  Rooms.add( taller_room )
  Rooms.add( corner_room )
  var regions = rebuild()

  describe('#build_floors(taller, corner)', function(){
    var fg = Rooms.builder.build_floors(taller_room)
    var fg2 = Rooms.builder.build_floors(corner_room)
    var fg_floors = fg.filter(function(r){ return ! r.half_side })
    var fg_halves = fg.filter(function(r){ return r.half_side })
    var fg2_floors = fg2.filter(function(r){ return ! r.half_side })
    var fg2_halves = fg2.filter(function(r){ return r.half_side })

    it("should make 8 floors", function(){
      assert.equal(2, fg_floors.length)
      assert.equal(6, fg2_floors.length)
    })
    it("should make 2 half-walls", function(){
      assert.equal(0, fg_halves.length)
      assert.equal(2, fg2_halves.length)
    })
  })

  // TODO ... test half-wall generation on rooms intersecting each other crossways:
  // right now this generates extra half-walls from cross on the box side of bulge
  // this could be fixed by cropping regions during the cull stage?
/*
  var box   = new Rect( new vec(1,6), new vec(1,5) )
  var bulge = new Rect( new vec(2,5), new vec(4,6) )
  var cross = new Rect( new vec(3,4), new vec(3,7) )
*/

})