-
Notifications
You must be signed in to change notification settings - Fork 6
/
gui.sc
163 lines (138 loc) · 4.83 KB
/
gui.sc
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
;;; scc -o gui -O2 gui.sc ~/lib/i686-Linux-2.6.26-2-686/QobiScheme.a ~/lib/i686-Linux-2.6.26-2-686/scxl.a -L /usr/X11R6/lib -lX11;rm gui.c;mv gui ~/bin/i686-Linux-2.6.26-2-686/.
(module gui (with qobischeme xlib) (main main))
(include "QobiScheme.sch")
(set! *program* "gui")
(set! *panic?* #t)
(define-structure grid-point x y z)
(define-structure grid-point-contents notches notch)
(define *grid* #f)
(define *theta* 0)
(define *center* #f)
(define *observer* '#(0 -40 100))
(define *focal-length* 300)
;;; horizontal distance between notches
(define *l1* 20)
;;; log radius
(define *l2* 2)
;;; overhang
(define *l3* 5)
(define *i* 0)
(define (grid-xy? grid-point) (even? (grid-point-y grid-point)))
(define (grid-zy? grid-point) (odd? (grid-point-y grid-point)))
(define (log->line-segment grid-point grid-point-contents)
(cond
((grid-xy? grid-point)
(make-line-segment
(vector (- (* *l1* (grid-point-x grid-point)) *l3*)
(* *l2* (grid-point-y grid-point))
(* *l1* (grid-point-z grid-point)))
(vector (+ (* *l1*
(+ (grid-point-x grid-point)
(- (grid-point-contents-notches grid-point-contents) 1)))
*l3*)
(* *l2* (grid-point-y grid-point))
(* *l1* (grid-point-z grid-point)))))
((grid-zy? grid-point)
(make-line-segment
(vector (* *l1* (grid-point-x grid-point))
(* *l2* (grid-point-y grid-point))
(- (* *l1* (grid-point-z grid-point)) *l3*))
(vector (* *l1* (grid-point-x grid-point))
(* *l2* (grid-point-y grid-point))
(+ (* *l1*
(+ (grid-point-z grid-point)
(- (grid-point-contents-notches grid-point-contents) 1)))
*l3*))))
(else (fuck-up))))
(define (line-segments)
(removeq
#f
(map (lambda (grid-element)
(let ((grid-point (first grid-element))
(grid-point-contents (second grid-element)))
(if (and grid-point-contents
;; If the grid is malformed, i.e. if it does not meet the
;; occupancy constraints, it might display incorrectly.
(zero? (grid-point-contents-notch grid-point-contents)))
(log->line-segment grid-point grid-point-contents)
#f)))
*grid*)))
(define (read-grid pathname)
(map (lambda (string)
(list (make-grid-point (string->number (field-ref string 0))
(string->number (field-ref string 1))
(string->number (field-ref string 2)))
(if (zero? (string->number (field-ref string 3)))
#f
(make-grid-point-contents
(string->number (field-ref string 3))
(string->number (field-ref string 4))))))
(read-file (default-extension pathname "logs"))))
(define (object-center)
(let ((line-segments (line-segments)))
(if (null? line-segments)
'#(0 0 0)
(let ((v (k*v (/ (length line-segments))
(reduce
v+
(map (lambda (l)
(k*v 0.5 (v+ (line-segment-p l) (line-segment-q l))))
line-segments)
'#(0 0 0)))))
(vector (x v) 0 (z v))))))
(define (point-3d->2d p)
(let ((theta (degrees->radians *theta*)))
(project (v+ (m*v (vector (vector (cos theta) 0 (sin theta))
(vector 0 1 0)
(vector (- (sin theta)) 0 (cos theta)))
(v- p *center*))
*observer*)
*focal-length*)))
(define (line-segment-3d->2d l)
(make-line-segment (point-3d->2d (line-segment-p l))
(point-3d->2d (line-segment-q l))))
(define-application viewer 640 480 #f 1 6
(lambda ()
(define-button 0 0 "Help" #f help-command)
(define-button 5 0 "Quit" #f quit)
(define-button 1 0 "+Theta" #f
(lambda () (set! *theta* (+ *theta* 10)) (redraw-display-pane)))
(define-button 2 0 "-Theta" #f
(lambda () (set! *theta* (- *theta* 10)) (redraw-display-pane)))
(define-button 3 0 "Next" #f
(lambda ()
(unless (can-open-file-for-input? (format #f "solution-~s.logs" (+ *i* 1)))
(abort))
(set! *i* (+ *i* 1))
(set! *grid* (read-grid (format #f "solution-~s.logs" *i*)))
(set! *center* (object-center))
(redraw-display-pane)))
(define-button 4 0 "Previous" #f
(lambda ()
(when (zero? *i*) (abort))
(set! *i* (- *i* 1))
(set! *grid* (read-grid (format #f "solution-~s.logs" *i*)))
(set! *center* (object-center))
(redraw-display-pane)))
(define-key (list (control #\x) (control #\c)) "Quit" quit)
(define-key (control #\h) "Help" help-command))
(lambda () #f)
(lambda () #f)
(lambda ()
(for-each (lambda (l)
(let ((l (line-segment-3d->2d l)))
(xdrawline *display* *display-pane* *thin-gc*
(+ 320 (x (line-segment-p l)))
(- 240 (y (line-segment-p l)))
(+ 320 (x (line-segment-q l)))
(- 240 (y (line-segment-q l))))))
(line-segments))
(xdrawstring
*display* *display-pane* *roman-gc* 5 (- *display-pane-height* 5)
(number->string *i*) (string-length (number->string *i*)))))
(define (view)
(set! *i* 0)
(set! *grid* (read-grid (format #f "solution-~s.logs" *i*)))
(set! *center* (object-center))
(viewer '()))
(define-command (main) (view))