ocrm.bsky.social
the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
1/*
2 Copyright 2008 Intel Corporation
3
4 Use, modification and distribution are subject to the Boost Software License,
5 Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 http://www.boost.org/LICENSE_1_0.txt).
7*/
8
9#ifndef BOOST_POLYGON_ISOTROPY_HPP
10#define BOOST_POLYGON_ISOTROPY_HPP
11
12//external
13#include <cmath>
14#include <cstddef>
15#include <cstdlib>
16#include <vector>
17#include <deque>
18#include <map>
19#include <set>
20#include <list>
21//#include <iostream>
22#include <algorithm>
23#include <limits>
24#include <iterator>
25#include <string>
26
27#ifndef BOOST_POLYGON_NO_DEPS
28
29#include <boost/config.hpp>
30#ifdef BOOST_MSVC
31#define BOOST_POLYGON_MSVC
32#endif
33#ifdef BOOST_INTEL
34#define BOOST_POLYGON_ICC
35#endif
36#ifdef BOOST_HAS_LONG_LONG
37#define BOOST_POLYGON_USE_LONG_LONG
38typedef boost::long_long_type polygon_long_long_type;
39typedef boost::ulong_long_type polygon_ulong_long_type;
40//typedef long long polygon_long_long_type;
41//typedef unsigned long long polygon_ulong_long_type;
42#endif
43#include <boost/mpl/size_t.hpp>
44#include <boost/mpl/protect.hpp>
45#include <boost/utility/enable_if.hpp>
46#include <boost/mpl/bool.hpp>
47#include <boost/mpl/and.hpp>
48#include <boost/mpl/or.hpp>
49#else
50
51#ifdef _WIN32
52#define BOOST_POLYGON_MSVC
53#endif
54#ifdef __ICC
55#define BOOST_POLYGON_ICC
56#endif
57#define BOOST_POLYGON_USE_LONG_LONG
58typedef long long polygon_long_long_type;
59typedef unsigned long long polygon_ulong_long_type;
60
61 namespace boost {
62 template <bool B, class T = void>
63 struct enable_if_c {
64 typedef T type;
65 };
66
67 template <class T>
68 struct enable_if_c<false, T> {};
69
70 template <class Cond, class T = void>
71 struct enable_if : public enable_if_c<Cond::value, T> {};
72
73 template <bool B, class T>
74 struct lazy_enable_if_c {
75 typedef typename T::type type;
76 };
77
78 template <class T>
79 struct lazy_enable_if_c<false, T> {};
80
81 template <class Cond, class T>
82 struct lazy_enable_if : public lazy_enable_if_c<Cond::value, T> {};
83
84
85 template <bool B, class T = void>
86 struct disable_if_c {
87 typedef T type;
88 };
89
90 template <class T>
91 struct disable_if_c<true, T> {};
92
93 template <class Cond, class T = void>
94 struct disable_if : public disable_if_c<Cond::value, T> {};
95
96 template <bool B, class T>
97 struct lazy_disable_if_c {
98 typedef typename T::type type;
99 };
100
101 template <class T>
102 struct lazy_disable_if_c<true, T> {};
103
104 template <class Cond, class T>
105 struct lazy_disable_if : public lazy_disable_if_c<Cond::value, T> {};
106 }
107
108#endif
109
110namespace boost { namespace polygon{
111
112 enum GEOMETRY_CONCEPT_ID {
113 COORDINATE_CONCEPT,
114 INTERVAL_CONCEPT,
115 POINT_CONCEPT,
116 POINT_3D_CONCEPT,
117 RECTANGLE_CONCEPT,
118 POLYGON_90_CONCEPT,
119 POLYGON_90_WITH_HOLES_CONCEPT,
120 POLYGON_45_CONCEPT,
121 POLYGON_45_WITH_HOLES_CONCEPT,
122 POLYGON_CONCEPT,
123 POLYGON_WITH_HOLES_CONCEPT,
124 POLYGON_90_SET_CONCEPT,
125 POLYGON_45_SET_CONCEPT,
126 POLYGON_SET_CONCEPT
127 };
128
129 struct undefined_concept {};
130
131 template <typename T>
132 struct geometry_concept { typedef undefined_concept type; };
133
134 template <typename GCT, typename T>
135 struct view_of {};
136
137 template <typename T1, typename T2>
138 view_of<T1, T2> view_as(const T2& obj) { return view_of<T1, T2>(obj); }
139
140 template <typename T>
141 struct coordinate_traits {};
142
143 //used to override long double with an infinite precision datatype
144 template <typename T>
145 struct high_precision_type {
146 typedef long double type;
147 };
148
149 template <typename T>
150 T convert_high_precision_type(const typename high_precision_type<T>::type& v) {
151 return T(v);
152 }
153
154 //used to override std::sort with an alternative (parallel) algorithm
155 template <typename iter_type>
156 void polygon_sort(iter_type _b_, iter_type _e_);
157
158 template <typename iter_type, typename pred_type>
159 void polygon_sort(iter_type _b_, iter_type _e_, const pred_type& _pred_);
160
161
162 template <>
163 struct coordinate_traits<int> {
164 typedef int coordinate_type;
165 typedef long double area_type;
166#ifdef BOOST_POLYGON_USE_LONG_LONG
167 typedef polygon_long_long_type manhattan_area_type;
168 typedef polygon_ulong_long_type unsigned_area_type;
169 typedef polygon_long_long_type coordinate_difference;
170#else
171 typedef long manhattan_area_type;
172 typedef unsigned long unsigned_area_type;
173 typedef long coordinate_difference;
174#endif
175 typedef long double coordinate_distance;
176 };
177
178#ifdef BOOST_POLYGON_USE_LONG_LONG
179 template <>
180 struct coordinate_traits<polygon_long_long_type> {
181 typedef polygon_long_long_type coordinate_type;
182 typedef long double area_type;
183 typedef polygon_long_long_type manhattan_area_type;
184 typedef polygon_ulong_long_type unsigned_area_type;
185 typedef polygon_long_long_type coordinate_difference;
186 typedef long double coordinate_distance;
187 };
188#endif
189
190 template <>
191 struct coordinate_traits<float> {
192 typedef float coordinate_type;
193 typedef float area_type;
194 typedef float manhattan_area_type;
195 typedef float unsigned_area_type;
196 typedef float coordinate_difference;
197 typedef float coordinate_distance;
198 };
199
200 template <>
201 struct coordinate_traits<double> {
202 typedef double coordinate_type;
203 typedef double area_type;
204 typedef double manhattan_area_type;
205 typedef double unsigned_area_type;
206 typedef double coordinate_difference;
207 typedef double coordinate_distance;
208 };
209
210 template <>
211 struct coordinate_traits<long double> {
212 typedef long double coordinate_type;
213 typedef long double area_type;
214 typedef long double manhattan_area_type;
215 typedef long double unsigned_area_type;
216 typedef long double coordinate_difference;
217 typedef long double coordinate_distance;
218 };
219
220 template <typename T>
221 struct scaling_policy {
222 template <typename T2>
223 static inline T round(T2 t2) {
224 return (T)std::floor(t2+0.5);
225 }
226
227 static inline T round(T t2) {
228 return t2;
229 }
230 };
231
232 struct coordinate_concept {};
233
234 template <>
235 struct geometry_concept<int> { typedef coordinate_concept type; };
236#ifdef BOOST_POLYGON_USE_LONG_LONG
237 template <>
238 struct geometry_concept<polygon_long_long_type> { typedef coordinate_concept type; };
239#endif
240 template <>
241 struct geometry_concept<float> { typedef coordinate_concept type; };
242 template <>
243 struct geometry_concept<double> { typedef coordinate_concept type; };
244 template <>
245 struct geometry_concept<long double> { typedef coordinate_concept type; };
246
247#ifndef BOOST_POLYGON_NO_DEPS
248 struct gtl_no : mpl::bool_<false> {};
249 struct gtl_yes : mpl::bool_<true> {};
250 template <typename T, typename T2>
251 struct gtl_and : mpl::and_<T, T2> {};
252 template <typename T, typename T2, typename T3>
253 struct gtl_and_3 : mpl::and_<T, T2, T3> {};
254 template <typename T, typename T2, typename T3, typename T4>
255 struct gtl_and_4 : mpl::and_<T, T2, T3, T4> {};
256// template <typename T, typename T2>
257// struct gtl_or : mpl::or_<T, T2> {};
258// template <typename T, typename T2, typename T3>
259// struct gtl_or_3 : mpl::or_<T, T2, T3> {};
260// template <typename T, typename T2, typename T3, typename T4>
261// struct gtl_or_4 : mpl::or_<T, T2, T3, T4> {};
262#else
263 struct gtl_no { static const bool value = false; };
264 struct gtl_yes { typedef gtl_yes type;
265 static const bool value = true; };
266
267 template <bool T, bool T2>
268 struct gtl_and_c { typedef gtl_no type; };
269 template <>
270 struct gtl_and_c<true, true> { typedef gtl_yes type; };
271
272 template <typename T, typename T2>
273 struct gtl_and : gtl_and_c<T::value, T2::value> {};
274 template <typename T, typename T2, typename T3>
275 struct gtl_and_3 { typedef typename gtl_and<
276 T, typename gtl_and<T2, T3>::type>::type type; };
277
278 template <typename T, typename T2, typename T3, typename T4>
279 struct gtl_and_4 { typedef typename gtl_and_3<
280 T, T2, typename gtl_and<T3, T4>::type>::type type; };
281#endif
282 template <typename T, typename T2>
283 struct gtl_or { typedef gtl_yes type; };
284 template <typename T>
285 struct gtl_or<T, T> { typedef T type; };
286
287 template <typename T, typename T2, typename T3>
288 struct gtl_or_3 { typedef typename gtl_or<
289 T, typename gtl_or<T2, T3>::type>::type type; };
290
291 template <typename T, typename T2, typename T3, typename T4>
292 struct gtl_or_4 { typedef typename gtl_or<
293 T, typename gtl_or_3<T2, T3, T4>::type>::type type; };
294
295 template <typename T>
296 struct gtl_not { typedef gtl_no type; };
297 template <>
298 struct gtl_not<gtl_no> { typedef gtl_yes type; };
299
300 template <typename T>
301 struct gtl_if {
302#ifdef BOOST_POLYGON_MSVC
303 typedef gtl_no type;
304#endif
305 };
306 template <>
307 struct gtl_if<gtl_yes> { typedef gtl_yes type; };
308
309 template <typename T, typename T2>
310 struct gtl_same_type { typedef gtl_no type; };
311 template <typename T>
312 struct gtl_same_type<T, T> { typedef gtl_yes type; };
313 template <typename T, typename T2>
314 struct gtl_different_type { typedef typename gtl_not<typename gtl_same_type<T, T2>::type>::type type; };
315
316 struct manhattan_domain {};
317 struct forty_five_domain {};
318 struct general_domain {};
319
320 template <typename T>
321 struct geometry_domain { typedef general_domain type; };
322
323 template <typename domain_type, typename coordinate_type>
324 struct area_type_by_domain { typedef typename coordinate_traits<coordinate_type>::area_type type; };
325 template <typename coordinate_type>
326 struct area_type_by_domain<manhattan_domain, coordinate_type> {
327 typedef typename coordinate_traits<coordinate_type>::manhattan_area_type type; };
328
329 struct y_c_edist : gtl_yes {};
330
331 template <typename coordinate_type_1, typename coordinate_type_2>
332 typename enable_if<
333 typename gtl_and_3<y_c_edist, typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type,
334 typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type,
335 typename coordinate_traits<coordinate_type_1>::coordinate_difference>::type
336 euclidean_distance(const coordinate_type_1& lvalue, const coordinate_type_2& rvalue) {
337 typedef typename coordinate_traits<coordinate_type_1>::coordinate_difference Unit;
338 return (lvalue < rvalue) ? (Unit)rvalue - (Unit)lvalue : (Unit)lvalue - (Unit)rvalue;
339 }
340
341
342
343 // predicated_swap swaps a and b if pred is true
344
345 // predicated_swap is guarenteed to behave the same as
346 // if(pred){
347 // T tmp = a;
348 // a = b;
349 // b = tmp;
350 // }
351 // but will not generate a branch instruction.
352 // predicated_swap always creates a temp copy of a, but does not
353 // create more than one temp copy of an input.
354 // predicated_swap can be used to optimize away branch instructions in C++
355 template <class T>
356 inline bool predicated_swap(const bool& pred,
357 T& a,
358 T& b) {
359 const T tmp = a;
360 const T* input[2] = {&b, &tmp};
361 a = *input[!pred];
362 b = *input[pred];
363 return pred;
364 }
365
366 enum direction_1d_enum { LOW = 0, HIGH = 1,
367 LEFT = 0, RIGHT = 1,
368 CLOCKWISE = 0, COUNTERCLOCKWISE = 1,
369 REVERSE = 0, FORWARD = 1,
370 NEGATIVE = 0, POSITIVE = 1 };
371 enum orientation_2d_enum { HORIZONTAL = 0, VERTICAL = 1 };
372 enum direction_2d_enum { WEST = 0, EAST = 1, SOUTH = 2, NORTH = 3 };
373 enum orientation_3d_enum { PROXIMAL = 2 };
374 enum direction_3d_enum { DOWN = 4, UP = 5 };
375 enum winding_direction {
376 clockwise_winding = 0,
377 counterclockwise_winding = 1,
378 unknown_winding = 2
379 };
380
381 class direction_2d;
382 class direction_3d;
383 class orientation_2d;
384
385 class direction_1d {
386 private:
387 unsigned int val_;
388 explicit direction_1d(int d);
389 public:
390 inline direction_1d() : val_(LOW) {}
391 inline direction_1d(const direction_1d& that) : val_(that.val_) {}
392 inline direction_1d(const direction_1d_enum val) : val_(val) {}
393 explicit inline direction_1d(const direction_2d& that);
394 explicit inline direction_1d(const direction_3d& that);
395 inline direction_1d& operator = (const direction_1d& d) {
396 val_ = d.val_; return * this; }
397 inline bool operator==(direction_1d d) const { return (val_ == d.val_); }
398 inline bool operator!=(direction_1d d) const { return !((*this) == d); }
399 inline unsigned int to_int(void) const { return val_; }
400 inline direction_1d& backward() { val_ ^= 1; return *this; }
401 inline int get_sign() const { return val_ * 2 - 1; }
402 };
403
404 class direction_2d;
405
406 class orientation_2d {
407 private:
408 unsigned int val_;
409 explicit inline orientation_2d(int o);
410 public:
411 inline orientation_2d() : val_(HORIZONTAL) {}
412 inline orientation_2d(const orientation_2d& ori) : val_(ori.val_) {}
413 inline orientation_2d(const orientation_2d_enum val) : val_(val) {}
414 explicit inline orientation_2d(const direction_2d& that);
415 inline orientation_2d& operator=(const orientation_2d& ori) {
416 val_ = ori.val_; return * this; }
417 inline bool operator==(orientation_2d that) const { return (val_ == that.val_); }
418 inline bool operator!=(orientation_2d that) const { return (val_ != that.val_); }
419 inline unsigned int to_int() const { return (val_); }
420 inline void turn_90() { val_ = val_^ 1; }
421 inline orientation_2d get_perpendicular() const {
422 orientation_2d retval = *this;
423 retval.turn_90();
424 return retval;
425 }
426 inline direction_2d get_direction(direction_1d dir) const;
427 };
428
429 class direction_2d {
430 private:
431 int val_;
432
433 public:
434
435 inline direction_2d() : val_(WEST) {}
436
437 inline direction_2d(const direction_2d& that) : val_(that.val_) {}
438
439 inline direction_2d(const direction_2d_enum val) : val_(val) {}
440
441 inline direction_2d& operator=(const direction_2d& d) {
442 val_ = d.val_;
443 return * this;
444 }
445
446 inline ~direction_2d() { }
447
448 inline bool operator==(direction_2d d) const { return (val_ == d.val_); }
449 inline bool operator!=(direction_2d d) const { return !((*this) == d); }
450 inline bool operator< (direction_2d d) const { return (val_ < d.val_); }
451 inline bool operator<=(direction_2d d) const { return (val_ <= d.val_); }
452 inline bool operator> (direction_2d d) const { return (val_ > d.val_); }
453 inline bool operator>=(direction_2d d) const { return (val_ >= d.val_); }
454
455 // Casting to int
456 inline unsigned int to_int(void) const { return val_; }
457
458 inline direction_2d backward() const {
459 // flip the LSB, toggles 0 - 1 and 2 - 3
460 return direction_2d(direction_2d_enum(val_ ^ 1));
461 }
462
463 // Returns a direction 90 degree left (LOW) or right(HIGH) to this one
464 inline direction_2d turn(direction_1d t) const {
465 return direction_2d(direction_2d_enum(val_ ^ 3 ^ (val_ >> 1) ^ t.to_int()));
466 }
467
468 // Returns a direction 90 degree left to this one
469 inline direction_2d left() const {return turn(HIGH);}
470
471 // Returns a direction 90 degree right to this one
472 inline direction_2d right() const {return turn(LOW);}
473
474 // N, E are positive, S, W are negative
475 inline bool is_positive() const {return (val_ & 1);}
476 inline bool is_negative() const {return !is_positive();}
477 inline int get_sign() const {return ((is_positive()) << 1) -1;}
478
479 };
480
481 direction_1d::direction_1d(const direction_2d& that) : val_(that.to_int() & 1) {}
482
483 orientation_2d::orientation_2d(const direction_2d& that) : val_(that.to_int() >> 1) {}
484
485 direction_2d orientation_2d::get_direction(direction_1d dir) const {
486 return direction_2d(direction_2d_enum((val_ << 1) + dir.to_int()));
487 }
488
489 class orientation_3d {
490 private:
491 unsigned int val_;
492 explicit inline orientation_3d(int o);
493 public:
494 inline orientation_3d() : val_((int)HORIZONTAL) {}
495 inline orientation_3d(const orientation_3d& ori) : val_(ori.val_) {}
496 inline orientation_3d(orientation_2d ori) : val_(ori.to_int()) {}
497 inline orientation_3d(const orientation_3d_enum val) : val_(val) {}
498 explicit inline orientation_3d(const direction_2d& that);
499 explicit inline orientation_3d(const direction_3d& that);
500 inline ~orientation_3d() { }
501 inline orientation_3d& operator=(const orientation_3d& ori) {
502 val_ = ori.val_; return * this; }
503 inline bool operator==(orientation_3d that) const { return (val_ == that.val_); }
504 inline bool operator!=(orientation_3d that) const { return (val_ != that.val_); }
505 inline unsigned int to_int() const { return (val_); }
506 inline direction_3d get_direction(direction_1d dir) const;
507 };
508
509 class direction_3d {
510 private:
511 int val_;
512
513 public:
514
515 inline direction_3d() : val_(WEST) {}
516
517 inline direction_3d(direction_2d that) : val_(that.to_int()) {}
518 inline direction_3d(const direction_3d& that) : val_(that.val_) {}
519
520 inline direction_3d(const direction_2d_enum val) : val_(val) {}
521 inline direction_3d(const direction_3d_enum val) : val_(val) {}
522
523 inline direction_3d& operator=(direction_3d d) {
524 val_ = d.val_;
525 return * this;
526 }
527
528 inline ~direction_3d() { }
529
530 inline bool operator==(direction_3d d) const { return (val_ == d.val_); }
531 inline bool operator!=(direction_3d d) const { return !((*this) == d); }
532 inline bool operator< (direction_3d d) const { return (val_ < d.val_); }
533 inline bool operator<=(direction_3d d) const { return (val_ <= d.val_); }
534 inline bool operator> (direction_3d d) const { return (val_ > d.val_); }
535 inline bool operator>=(direction_3d d) const { return (val_ >= d.val_); }
536
537 // Casting to int
538 inline unsigned int to_int(void) const { return val_; }
539
540 inline direction_3d backward() const {
541 // flip the LSB, toggles 0 - 1 and 2 - 3 and 4 - 5
542 return direction_2d(direction_2d_enum(val_ ^ 1));
543 }
544
545 // N, E, U are positive, S, W, D are negative
546 inline bool is_positive() const {return (val_ & 1);}
547 inline bool is_negative() const {return !is_positive();}
548 inline int get_sign() const {return ((is_positive()) << 1) -1;}
549
550 };
551
552 direction_1d::direction_1d(const direction_3d& that) : val_(that.to_int() & 1) {}
553 orientation_3d::orientation_3d(const direction_3d& that) : val_(that.to_int() >> 1) {}
554 orientation_3d::orientation_3d(const direction_2d& that) : val_(that.to_int() >> 1) {}
555
556 direction_3d orientation_3d::get_direction(direction_1d dir) const {
557 return direction_3d(direction_3d_enum((val_ << 1) + dir.to_int()));
558 }
559
560}
561}
562#endif