-
Notifications
You must be signed in to change notification settings - Fork 0
/
Cellular.hpp
302 lines (259 loc) · 10.1 KB
/
Cellular.hpp
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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
#pragma once
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <vector>
#include <initializer_list>
#include <type_traits>
#include <utility>
#include <bitset>
#include <iostream>
namespace ca {
inline uint8_t random(int y, int x, int no_states) {
return rand() % no_states;
}
template <typename CA, typename BufT>
int count_moore_neighborhood(BufT &prev, int y, int x, int on_state) {
int counter = 0;
for(int iy : {-1, 0, 1}) {
for(int ix : {-1, 0, 1}) {
if(!iy&&!ix)continue;
if(prev[y + iy][x + ix] == on_state) {
++counter;
}
}
}
return counter;
}
// https://conwaylife.com/wiki/List_of_Generations_rules
// http://www.mirekw.com/ca/rullex_gene.html
struct BSC {
using self_t = BSC;
static constexpr int outside_state = 0;
static constexpr int dim = 4;
static constexpr int update_mode = ::update_mode::ALL;
uint8_t init_state(int y, int x) {
return random(y, x, no_states);
}
std::bitset<8> bs_bitmask, ss_bitmask;
int no_states;
const int DEAD, LIVE;
explicit BSC(const std::vector<uint8_t> &bs, const std::vector<uint8_t> &ss, int c):
bs_bitmask(0), ss_bitmask(0), no_states(c),
DEAD(0), LIVE(no_states - 1)
{
for(uint8_t b : bs) {
bs_bitmask[b] = 1;
}
for(uint8_t s : ss) {
ss_bitmask[s] = 1;
}
}
// 0 dead
// N - 1 alive
// N - 2 age 1
// N - 3 age 2
// ...
template <typename B>
uint8_t next_state(B &&prev, int y, int x) {
const int count = count_moore_neighborhood<self_t>(prev, y, x, LIVE);
const int state = prev[y][x];
if(
(state == DEAD && bs_bitmask[count])
|| (state == LIVE && ss_bitmask[count])
)
{
return LIVE;
}
return (state == 0) ? 0 : state - 1;
}
};
decltype(auto) bsc(std::vector<uint8_t> bs, std::vector<uint8_t> ss, int c=2) {
return [=]() mutable -> BSC {
return BSC(bs, ss, c);
};
}
struct LangtonsAnt {
using self_t = LangtonsAnt;
static constexpr int outside_state = 0;
static constexpr int no_states = 2;
static constexpr int dim = 4;
static constexpr int update_mode = ::update_mode::CURSOR;
static constexpr int DEAD = 0, LIVE = 1;
enum direction : int {
LEFT, UP, RIGHT, DOWN, NO_DIRS
};
static constexpr int dir_cw(int d) {
if(d + 1 == direction::NO_DIRS) {
return 0;
}
return d + 1;
}
static constexpr int dir_ccw(int d) {
if(d == 0) {
return direction::NO_DIRS - 1;
}
return d - 1;
}
int cursor = -1;
int dir = -1;
explicit LangtonsAnt()
{}
static uint8_t init_state(int y, int x) {
return DEAD;
//return random(y, x, no_states);
}
template <typename B>
std::pair<size_t, uint8_t> next_state(B &&prev) {
const int w = prev.width, h = prev.height;
if(cursor == -1) {
cursor = rand() % (w * h);
}
if(dir == -1) {
dir = rand() % NO_DIRS;
}
int y = cursor / w, x = cursor % w;
// const int old_dir = dir;
dir = (prev[y][x] == DEAD ? dir_ccw : dir_cw)(dir);
const uint8_t new_val = (prev[y][x] == DEAD) ? LIVE : DEAD;
switch(dir) {
case direction::RIGHT:++x; if(x>=w)x-=w; break;
case direction::LEFT: --x; if(x<0) x+=w; break;
case direction::UP: --y; if(y>=h)y-=h; break;
case direction::DOWN: ++y; if(y<0) y+=h; break;
default: abort();
}
// std::cout << ((prev[y][x] == DEAD) ? "ccw" : "cw")
// << "[" << old_dir << " " << dir << "]"
// << " "
// << ((old_dir == LEFT) ? "left" : (old_dir == RIGHT ? "right" : (old_dir == UP ? "up" : "down")))
// << " "
// << "(" << x << " " << y << ")"
// << std::endl;
assert(dir >= 0 && dir < direction::NO_DIRS);
if(x<0)x+=w;else if(x>=w)x-=w;
if(y<0)y+=h;else if(y>=h)y-=h;
const int old_cursor = cursor;
cursor = y * w + x;
return std::make_pair(old_cursor, new_val);
}
};
struct Wireworld {
using self_t = Wireworld;
static constexpr int outside_state = 0;
static constexpr int no_states = 4;
static constexpr int dim = 4;
static constexpr int update_mode = ::update_mode::ALL;
static constexpr int EMPTY = 0, ELECTRON_HEAD = 1, ELECTRON_TAIL = 2, CONDUCTOR = 3;
static uint8_t init_state(int y, int x) {
return random(y, x, no_states);
}
template <typename B>
static int count_moore_neighborhood_electron_heads(B &prev, int y, int x) {
int count = 0;
for(int ix = -1; ix <= 1; ++ix) {
for(int iy = -1; iy <= 1; ++iy) {
if(!ix&&!iy)continue;
if(prev[y+iy][x+ix]==ELECTRON_HEAD)++count;
}
}
return count;
}
template <typename B>
static uint8_t next_state(B &&prev, int y, int x) {
const int state = prev[y][x];
switch(state) {
case EMPTY:return EMPTY;
case ELECTRON_HEAD:return ELECTRON_TAIL;
case ELECTRON_TAIL:return CONDUCTOR;
case CONDUCTOR:;
const int count_eheads = count_moore_neighborhood_electron_heads(prev, y, x);
return (count_eheads == 2) ? ELECTRON_HEAD : CONDUCTOR;
}
return EMPTY;
}
};
} // namespace ca
// http://www.conwaylife.com/wiki/List_of_Life-like_cellular_automata
namespace cellular {
template <size_t... Is> using sequence = std::index_sequence<Is...>;
// 2 states
decltype(auto) Replicator = ca::bsc({1,3,5,7}, {1,3,5,7});
decltype(auto) Fredkin = ca::bsc({1,3,5,7}, {0,2,4,6,8});
decltype(auto) Seeds = ca::bsc({2}, {});
decltype(auto) LiveOrDie = ca::bsc({2}, {0});
decltype(auto) Flock = ca::bsc({3}, {1,2});
decltype(auto) Mazectric = ca::bsc({3}, {1,2,3,4});
decltype(auto) Maze = ca::bsc({3}, {1,2,3,4,5});
decltype(auto) MazectricMice = ca::bsc({3,7}, {1,2,3,4});
decltype(auto) MazeMice = ca::bsc({3,7}, {1,2,3,4,5});
decltype(auto) GameOfLife = ca::bsc({3}, {2,3});
decltype(auto) EightLife = ca::bsc({3}, {2,3,8});
decltype(auto) LongLife = ca::bsc({3,4,5}, {5});
decltype(auto) TxT = ca::bsc({3,6}, {1,2,5});
decltype(auto) HighLife = ca::bsc({3,6}, {2,3});
decltype(auto) Move = ca::bsc({3,6,8}, {2,4,5});
decltype(auto) Stains = ca::bsc({3,6,7,8}, {2,3,5,6,7,8});
decltype(auto) DayAndNight = ca::bsc({3,6,7,8}, {3,4,6,7,8});
decltype(auto) Anneal = ca::bsc({4,6,7,8}, {3,5,6,7,8});
decltype(auto) DryLife = ca::bsc({3,7}, {2,3});
decltype(auto) PedestrLife = ca::bsc({3,8}, {2,3});
decltype(auto) Amoeba = ca::bsc({3,5,7}, {1,3,5,8});
decltype(auto) Diamoeba = ca::bsc({3,5,6,7,8}, {5,6,7,8});
using LangtonsAnt = ca::LangtonsAnt;
// 3 states
decltype(auto) BriansBrain = ca::bsc({2}, {}, 3 );
decltype(auto) Brain6 = ca::bsc({2,4,6}, {6}, 3 );
decltype(auto) Frogs = ca::bsc({3,4}, {1,2}, 3 );
decltype(auto) Lines = ca::bsc({4,5,8}, {0,1,2,3,4,5}, 3 );
// 4 states
decltype(auto) Caterpillars = ca::bsc({3,7,8}, {1,2,4,5,6,7}, 4 );
decltype(auto) OrthoGo = ca::bsc({2}, {3}, 4 );
decltype(auto) SediMental = ca::bsc({2,5,6,7,8}, {4,5,6,7,8}, 4 );
decltype(auto) StarWars = ca::bsc({2}, {3,4,5}, 4 );
using Wireworld = ca::Wireworld;
// 5 states
decltype(auto) Banners = ca::bsc({3,4,5,7}, {2,3,6,7}, 5 );
decltype(auto) Glissergy = ca::bsc({2,4,5,6,7,8},{0,3,5,6,7,8}, 5 );
decltype(auto) Spirals = ca::bsc({2,3,4}, {2}, 5 );
decltype(auto) Transers = ca::bsc({2,6}, {3,4,5}, 5 );
decltype(auto) Wanderers = ca::bsc({3,4,6,7,8}, {3,4,5}, 5 );
// 6 states
decltype(auto) Chenille = ca::bsc({2,4,5,6,7}, {0,5,6,7,8}, 6 );
decltype(auto) FrozenSpirals = ca::bsc({2,3}, {3,5,6}, 6 );
decltype(auto) LivingOnTheEdge= ca::bsc({3}, {3,4,5}, 6 );
decltype(auto) PrairieOnFire = ca::bsc({3,4}, {3,4,5}, 6 );
decltype(auto) Rake = ca::bsc({2,6,7,8}, {3,4,6,7}, 6 );
decltype(auto) Snake = ca::bsc({2,5}, {0,3,4,6,7}, 6 );
decltype(auto) SoftFreeze = ca::bsc({3,8}, {1,3,4,5,8}, 6 );
decltype(auto) Sticks = ca::bsc({2}, {3,4,5,6}, 6 );
decltype(auto) Worms = ca::bsc({2,5}, {3,4,6,7}, 6 );
// 7 states
decltype(auto) Glisserati = ca::bsc({2,4,5,6,7,8},{0,3,5,6,7,8}, 7 );
// 8 states
decltype(auto) BelZhab = ca::bsc({2,3}, {1,4,5,6,7,8}, 8 );
decltype(auto) CircuitGenesis = ca::bsc({1,2,3,4}, {2,3,4,5}, 8 );
decltype(auto) Cooties = ca::bsc({2}, {2,3}, 8 );
decltype(auto) FlamingStarbows= ca::bsc({2,3}, {3,4,7}, 8 );
decltype(auto) Lava = ca::bsc({4,5,6,7,8}, {1,2,3,4,5}, 8 );
decltype(auto) MeteorGuns = ca::bsc({3}, {0,1,2,4,5,6,7,8}, 8 );
decltype(auto) Swirl = ca::bsc({3,4}, {2,3}, 8 );
// 9 states
decltype(auto) Burst = ca::bsc({3,4,6,8}, {0,2,3,5,6,7,8}, 9 );
decltype(auto) Burst2 = ca::bsc({3,4,6,8}, {2,3,5,6,7,8}, 9 );
// 16 states
decltype(auto) Xtasy = ca::bsc({2,3,5,6}, {1,4,5,6}, 16);
// 18 states
decltype(auto) EbbAndFlow = ca::bsc({3,6}, {0,1,2,4,7,8}, 18);
decltype(auto) EbbAndFlow2 = ca::bsc({3,7}, {0,1,2,4,6,8}, 18);
// 21 states
decltype(auto) Fireworks = ca::bsc({1,3}, {2}, 21);
// 24 states
decltype(auto) Bloomerang = ca::bsc({3,4,6,7,8}, {2,3,4}, 24);
// 25 states
decltype(auto) Bombers = ca::bsc({2,4}, {3,4,5}, 25);
decltype(auto) Nova = ca::bsc({2,4,7,8}, {4,5,6,7,8}, 25);
decltype(auto) Faders = ca::bsc({2}, {2}, 25);
// 48 states
decltype(auto) ThrillGrill = ca::bsc({3,4}, {1,2,3,4}, 48);
} // namespace cellular