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hyperrogue/cell.cpp

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// Hyperbolic Rogue -- cells
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
// cells the game is played on
namespace hr {
int fix6(int a) { return (a+MODFIXER)%S6; }
int fix7(int a) { return (a+MODFIXER)%S7; }
int dirdiff(int dd, int t) {
dd %= t;
if(dd<0) dd += t;
if(t-dd < dd) dd = t-dd;
return dd;
}
int fixdir(int a, cell *c) { a %= c->type; if(a<0) a += c->type; return a; }
int cellcount = 0;
void initcell(cell *c); // from game.cpp
cell *newCell(int type, heptagon *master) {
cell *c = new cell;
c->type = type;
c->master = master;
for(int i=0; i<MAX_EDGE; i++) c->mov[i] = NULL;
initcell(c);
return c;
}
void merge(cell *c, int d, cell *c2, int d2, bool mirrored = false) {
c->mov[d] = c2;
tsetspin(c->spintable, d, d2 + (mirrored?8:0));
c2->mov[d2] = c;
tsetspin(c2->spintable, d2, d + (mirrored?8:0));
}
struct cdata {
int val[4];
int bits;
};
// -- hrmap ---
hrmap *currentmap;
vector<hrmap*> allmaps;
// --- auxiliary hyperbolic map for horocycles ---
struct hrmap_alternate : hrmap {
heptagon *origin;
hrmap_alternate(heptagon *o) { origin = o; }
~hrmap_alternate() { clearfrom(origin); }
};
hrmap *newAltMap(heptagon *o) { return new hrmap_alternate(o); }
// --- hyperbolic geometry ---
hrmap_hyperbolic::hrmap_hyperbolic() {
// printf("Creating hyperbolic map: %p\n", this);
origin = new heptagon;
heptagon& h = *origin;
h.s = hsOrigin;
h.emeraldval = a46 ? 0 : 98;
h.zebraval = 40;
h.fiftyval = 0;
h.fieldval = 0;
h.rval0 = h.rval1 = 0;
h.cdata = NULL;
for(int i=0; i<MAX_EDGE; i++) h.move[i] = NULL;
h.spintable = 0;
h.alt = NULL;
h.distance = 0;
isnonbitrunc = nonbitrunc;
h.c7 = newCell(S7, origin);
}
// --- spherical geometry ---
int spherecells() {
if(S7 == 5) return (elliptic?6:12);
if(S7 == 4) return (elliptic?3:6);
if(S7 == 3) return 4;
if(S7 == 2) return (elliptic?1:2);
if(S7 == 1) return 1;
return 12;
}
vector<int> siblings;
struct hrmap_spherical : hrmap {
heptagon *dodecahedron[12];
bool isnonbitrunc;
hrmap_spherical() {
isnonbitrunc = nonbitrunc;
for(int i=0; i<spherecells(); i++) {
heptagon& h = *(dodecahedron[i] = new heptagon);
h.s = hsOrigin;
h.emeraldval = i;
h.zebraval = i;
h.fiftyval = i;
h.rval0 = h.rval1 = 0;
h.alt = NULL;
h.cdata = NULL;
h.spintable = 0;
h.fieldval = i;
for(int i=0; i<S7; i++) h.move[i] = NULL;
h.c7 = newCell(S7, &h);
}
if(S7 == 5)
siblings = {1, 0, 10, 4, 3, 8, 9, 11, 5, 6, 2, 7};
else
siblings = {1, 0, 3, 2, 5, 4};
if(S7 == 4 && elliptic) {
for(int i=0; i<3; i++) {
int i1 = (i+1)%3;
int i2 = (i+2)%3;
dodecahedron[i]->move[0] = dodecahedron[i1];
dodecahedron[i]->setspin(0, 1);
dodecahedron[i]->move[1] = dodecahedron[i2];
dodecahedron[i]->setspin(1, 0);
dodecahedron[i]->move[2] = dodecahedron[i1];
dodecahedron[i]->setspin(2, 3+8);
dodecahedron[i]->move[3] = dodecahedron[i2];
dodecahedron[i]->setspin(3, 2+8);
}
}
else for(int i=0; i<S7; i++) {
dodecahedron[0]->move[i] = dodecahedron[i+1];
dodecahedron[0]->setspin(i, 0);
dodecahedron[i+1]->move[0] = dodecahedron[0];
dodecahedron[i+1]->setspin(0, i);
dodecahedron[i+1]->move[1] = dodecahedron[(i+S7-1)%S7+1];
dodecahedron[i+1]->setspin(1, S7-1);
dodecahedron[i+1]->move[S7-1] = dodecahedron[(i+1)%S7+1];
dodecahedron[i+1]->setspin(S7-1, 1);
if(S7 == 5 && elliptic) {
dodecahedron[i+1]->move[2] = dodecahedron[(i+2)%S7+1];
dodecahedron[i+1]->setspin(2, 3 + 8);
dodecahedron[i+1]->move[3] = dodecahedron[(i+3)%S7+1];
dodecahedron[i+1]->setspin(3, 2 + 8);
}
else if(S7 == 5) {
dodecahedron[6]->move[i] = dodecahedron[7+i];
dodecahedron[6]->setspin(i, 0);
dodecahedron[7+i]->move[0] = dodecahedron[6];
dodecahedron[7+i]->setspin(0, i);
dodecahedron[i+7]->move[1] = dodecahedron[(i+4)%5+7];
dodecahedron[i+7]->setspin(1, 4);
dodecahedron[i+7]->move[4] = dodecahedron[(i+1)%5+7];
dodecahedron[i+7]->setspin(4, 1);
dodecahedron[i+1]->move[2] = dodecahedron[7+(10-i)%5];
dodecahedron[i+1]->setspin(2, 2);
dodecahedron[7+(10-i)%5]->move[2] = dodecahedron[1+i];
dodecahedron[7+(10-i)%5]->setspin(2, 2);
dodecahedron[i+1]->move[3] = dodecahedron[7+(9-i)%5];
dodecahedron[i+1]->setspin(3, 3);
dodecahedron[7+(9-i)%5]->move[3] = dodecahedron[i+1];
dodecahedron[7+(9-i)%5]->setspin(3, 3);
}
if(S7 == 4) {
dodecahedron[5]->move[3-i] = dodecahedron[i+1];
dodecahedron[5]->setspin(3-i, 2);
dodecahedron[i+1]->move[2] = dodecahedron[5];
dodecahedron[i+1]->setspin(2, 3-i);
}
}
}
heptagon *getOrigin() { return dodecahedron[0]; }
~hrmap_spherical() {
dynamicval<bool> ph(nonbitrunc, isnonbitrunc);
for(int i=0; i<spherecells(); i++) clearHexes(dodecahedron[i]);
for(int i=0; i<spherecells(); i++) delete dodecahedron[i];
}
void verify() {
for(int i=0; i<spherecells(); i++) for(int k=0; k<S7; k++) {
heptspin hs(dodecahedron[i], k, false);
heptspin hs2 = hs + wstep + (S7-1) + wstep + (S7-1) + wstep + (S7-1);
if(hs2.h != hs.h) printf("error %d,%d\n", i, k);
}
for(int i=0; i<spherecells(); i++) verifycells(dodecahedron[i]);
}
};
heptagon *getDodecahedron(int i) {
hrmap_spherical *s = dynamic_cast<hrmap_spherical*> (currentmap);
if(!s) return NULL;
return s->dodecahedron[i];
}
// --- euclidean geometry ---
// NOTE: patterns assume that pair_to_vec(0,1) % 3 == 2!
// Thus, pair_to_vec(0,1) must not be e.g. a power of four
int pair_to_vec(int x, int y) {
return x + (y << 15);
}
pair<int, int> vec_to_pair(int vec) {
int x = vec & ((1<<15)-1);
int y = (vec >> 15);
if(x >= (1<<14)) x -= (1<<15), y++;
return {x, y};
}
namespace torusconfig {
// the configuration of the torus topology.
// torus cells are indexed [0..qty),
// where the cell to the right from i is indexed i+dx,
// and the cell to the down-right is numbered i+dy
// Changed with command line option: -tpar <qty>,<dx>,<dy>
// Ideally, qty, dx, and dy should have the same "modulo 3"
// values as the default -- otherwise the three-color
// pattern breaks. Also, they should have no common
// prime divisor.
int def_qty = 127*3, dx = 1, def_dy = -11*2;
int qty = def_qty, dy = def_dy;
int sdx = 12, sdy = 12;
// new values to change
int newqty, newdy, newsdx, newsdy;
int torus_cx, torus_cy;
vector<torusmode_info> tmodes = {
{"single row (hex)", TF_SINGLE | TF_HEX},
{"single row (squares)", TF_SINGLE | TF_SQUARE},
{"parallelogram (hex)", TF_SIMPLE | TF_HEX},
{"rectangle (squares)", TF_SIMPLE | TF_SQUARE},
{"rectangle (hex)", TF_WEIRD | TF_HEX},
{"Klein bottle (squares)", TF_SIMPLE | TF_KLEIN | TF_SQUARE},
{"Klein bottle (hex)", TF_WEIRD | TF_KLEIN | TF_HEX},
};
eTorusMode torus_mode, newmode;
flagtype tmflags() { return tmodes[torus_mode].flags; }
int getqty() {
if(tmflags() & TF_SINGLE)
return qty;
else
return sdx * sdy;
}
int getvec(int x, int y) {
if(tmflags() & TF_SINGLE)
return x * dx + y * dy;
else if(tmflags() & TF_SIMPLE)
return pair_to_vec(x, y);
else
return pair_to_vec(-y - 2 * x, 3 * y);
}
int id_to_vec(int id, bool mirrored = false) {
if(tmflags() & TF_SINGLE)
return id;
else {
int dx = id % sdx;
int dy = id / sdx;
if(mirrored)
dy = -dy, dx += sdx;
if(tmflags() & TF_SIMPLE)
return pair_to_vec(dx, dy);
else
return pair_to_vec(- 2 * dx - (dy & 1), 3 * dy);
}
}
pair<int, bool> vec_to_id_mirror(int vec) {
if(tmflags() & TF_SINGLE) {
return {gmod(vec, qty), false};
}
else {
int x, y;
tie(x,y) = vec_to_pair(vec);
bool mirror = false;
if(tmflags() & TF_KLEIN) {
if(tmflags() & TF_WEIRD) {
x = gmod(x, 4 * sdx);
mirror = x > 0 && x <= 2 * sdx;
}
else {
x = gmod(x, 2 * sdx);
mirror = x >= sdx;
}
if(mirror) y = -y;
}
if(tmflags() & TF_WEIRD) {
y /= 3; x = (x + (y&1)) / -2;
}
x = gmod(x, sdx), y = gmod(y, sdy);
return {y * sdx + x, mirror};
}
}
int vec_to_id(int vec) {
return vec_to_id_mirror(vec).first;
}
void torus_test() {
printf("Testing torus vec_to_pair/pair_to_vec...\n");
for(int x=-10; x<=10; x++)
for(int y=-10; y<=10; y++) {
auto p = vec_to_pair(pair_to_vec(x, y));
if(p.first != x || p.second != y)
printf("Failed for (%d,%d) -> [%d] -> (%d,%d)\n", x, y, pair_to_vec(x,y), p.first, p.second);
}
printf("Testing id_to_vec / vec_to_id...\n");
for(int i=0; i < getqty(); i++)
for(int m=0; m< (torus_mode == tmKlein ? 2 : 1); m++)
if(vec_to_id_mirror(id_to_vec(i, m)) != pair<int,bool> (i,m))
printf("Failed for id %d.%d [%d] (%d.%d)\n", i, m, id_to_vec(i,m), vec_to_id(id_to_vec(i,m)), vec_to_id_mirror(id_to_vec(i,m)).second);
}
int tester = addHook(hooks_tests, 0, torus_test);
void activate() {
if(tmflags() & TF_HEX)
ginf[gTorus].vertex = 3, ginf[gTorus].sides = 6;
else
ginf[gTorus].vertex = 4, ginf[gTorus].sides = 4;
}
}
int decodeId(heptagon* h);
heptagon* encodeId(int id);
int euclid_getvec(int dx, int dy) {
if(torus) return torusconfig::getvec(dx, dy);
else return pair_to_vec(dx, dy);
}
template<class T> void build_euclidean_moves(cell *c, int vec, const T& builder) {
int x, y;
tie(x,y) = vec_to_pair(vec);
c->type = a4 ? (nonbitrunc || ((x^y^1) & 1) ? 4 : 8) : 6;
if(c->type == 4) {
int m = nonbitrunc ? 1 : 2;
builder(euclid_getvec(+1,+0), 0, 2 * m);
builder(euclid_getvec(+0,+1), 1, 3 * m);
builder(euclid_getvec(-1,+0), 2, 0 * m);
builder(euclid_getvec(+0,-1), 3, 1 * m);
}
else if(c->type == 8) {
builder(euclid_getvec(+1,+0), 0, 2);
builder(euclid_getvec(+1,+1), 1, 5);
builder(euclid_getvec(+0,+1), 2, 3);
builder(euclid_getvec(-1,+1), 3, 7);
builder(euclid_getvec(-1,+0), 4, 0);
builder(euclid_getvec(-1,-1), 5, 1);
builder(euclid_getvec(+0,-1), 6, 1);
builder(euclid_getvec(+1,-1), 7, 3);
}
else /* 6 */ {
builder(euclid_getvec(+1,+0), 0, 3);
builder(euclid_getvec(+0,+1), 1, 4);
builder(euclid_getvec(-1,+1), 2, 5);
builder(euclid_getvec(-1,+0), 3, 0);
builder(euclid_getvec(+0,-1), 4, 1);
builder(euclid_getvec(+1,-1), 5, 2);
}
}
struct hrmap_torus : hrmap {
vector<cell*> all;
vector<int> dists;
virtual vector<cell*>& allcells() { return all; }
cell *gamestart() {
return all[0];
}
hrmap_torus() {
using namespace torusconfig;
int q = getqty();
all.resize(q);
for(int i=0; i<q; i++) {
all[i] = newCell(8, encodeId(i));
}
for(int i=0; i<q; i++) {
int iv = id_to_vec(i);
build_euclidean_moves(all[i], iv, [&] (int delta, int d, int d2) {
auto im = vec_to_id_mirror(iv + delta);
all[i]->mov[d] = all[im.first];
tsetspin(all[i]->spintable, d, im.second);
});
}
for(cell *c: all) for(int d=0; d<c->type; d++) {
cell *c2 = c->mov[d];
for(int d2=0; d2<c2->type; d2++)
if(c2->mov[d2] == c)
tsetspin(c->spintable, d, d2 + (8 * c->spin(d)));
}
celllister cl(gamestart(), 100, 100000000, NULL);
dists.resize(q);
for(int i=0; i<isize(cl.lst); i++)
dists[decodeId(cl.lst[i]->master)] = cl.dists[i];
}
~hrmap_torus() {
for(cell *c: all) delete c;
}
};
hrmap_torus *torusmap() {
return dynamic_cast<hrmap_torus*> (currentmap);
}
/* cell *getTorusId(int id) {
hrmap_torus *cur = torusmap();
if(!cur) return NULL;
return cur->all[id];
} */
struct hrmap_euclidean : hrmap {
cell *gamestart() {
return euclideanAtCreate(0);
}
struct euclideanSlab {
cell* a[256][256];
euclideanSlab() {
for(int y=0; y<256; y++) for(int x=0; x<256; x++)
a[y][x] = NULL;
}
~euclideanSlab() {
for(int y=0; y<256; y++) for(int x=0; x<256; x++)
if(a[y][x]) delete a[y][x];
}
};
static const int slabs = max_vec / 256;
euclideanSlab* euclidean[slabs][slabs];
hrmap_euclidean() {
for(int y=0; y<slabs; y++) for(int x=0; x<slabs; x++)
euclidean[y][x] = NULL;
}
cell*& at(int vec) {
auto p = vec_to_pair(vec);
int x = p.first, y = p.second;
euclideanSlab*& slab = euclidean[(y>>8)&(slabs-1)][(x>>8)&(slabs-1)];
if(!slab) slab = new hrmap_euclidean::euclideanSlab;
return slab->a[y&255][x&255];
}
map<int, struct cdata> eucdata;
~hrmap_euclidean() {
for(int y=0; y<slabs; y++) for(int x=0; x<slabs; x++)
if(euclidean[y][x]) {
delete euclidean[y][x];
euclidean[y][x] = NULL;
}
eucdata.clear();
}
};
cellwalker vec_to_cellwalker(int vec) {
if(!torus)
return cellwalker(euclideanAtCreate(vec), 0, false);
else {
hrmap_torus *cur = torusmap();
if(!cur) return cellwalker(NULL, 0);
auto p = torusconfig::vec_to_id_mirror(vec);
return cellwalker(cur->all[p.first], 0, p.second);
}
}
int cellwalker_to_vec(cellwalker cw) {
int id = decodeId(cw.c->master);
if(!torus) return id;
return torusconfig::id_to_vec(id, cw.mirrored);
}
int cell_to_vec(cell *c) {
int id = decodeId(c->master);
if(!torus) return id;
return torusconfig::id_to_vec(id, false);
}
pair<int, int> cell_to_pair(cell *c) {
return vec_to_pair(cell_to_vec(c));
}
union heptacoder {
heptagon *h;
int id;
};
int decodeId(heptagon* h) {
heptacoder u;
u.h = h; return u.id;
}
heptagon* encodeId(int id) {
heptacoder u;
u.id = id;
return u.h;
}
// --- quotient geometry ---
namespace quotientspace {
struct code {
int c[MAX_EDGE+1];
};
bool operator == (const code& c1, const code &c2) {
for(int i=0; i<=S7; i++) if(c1.c[i] != c2.c[i]) return false;
return true;
}
bool operator < (const code& c1, const code &c2) {
for(int i=0; i<=S7; i++) if(c1.c[i] != c2.c[i]) return c1.c[i] < c2.c[i];
return false;
}
int cod(heptagon *h) {
return zebra40(h->c7);
}
code get(heptspin hs) {
code res;
res.c[0] = cod(hs.h);
for(int i=1; i<=S7; i++) {
res.c[i] = cod((hs + wstep).h);
hs += 1;
}
return res;
}
int rvadd = 0, rvdir = 1;
int rv(int x) { return (rvadd+x*rvdir) % S7; }
struct hrmap_quotient : hrmap {
hrmap_hyperbolic base;
vector<cell*> celllist;
cell *origin;
map<quotientspace::code, int> reachable;
vector<heptspin> bfsq;
vector<int> connections;
void add(const heptspin& hs) {
code g = get(hs);
if(!reachable.count(g)) {
reachable[g] = bfsq.size();
bfsq.push_back(hs);
add(hs + 1);
}
}
vector<heptagon*> allh;
hrmap_quotient() {
static int symmask = (1<<30);
connections.clear();
switch(geometry) {
case gFieldQuotient: {
connections = currfp.connections;
break;
}
case gZebraQuotient: {
heptspin hs; hs.h = base.origin; hs.spin = 0;
reachable.clear();
bfsq.clear();
add(hs);
for(int i=0; i<(int)bfsq.size(); i++) {
hs = bfsq[i] + wstep;
add(hs);
connections.push_back(reachable[get(hs)]);
}
break;
}
case gMinimal: {
int altzebra[6][7] = {
{ 16,125,111, 45, 32, 56, 20 },
{ 26,102,146,152, 35,124, 00 },
{ 06, 55,143,134,115,101, 10 },
{ 41, 50, 04, 44,123, 14,153 },
{ 51, 30,154,122, 33, 03,112 },
{ 31, 40,113,136,142, 21, 05 }
};
// int ok = 0;
for(int a=0; a<6; a++) {
for(int b=0; b<7; b++) {
int s = altzebra[a][b];
int mirr = s/100; s %= 100;
int which = s/10; s %= 10;
int shouldbe = a*10+b+mirr*100;
if(altzebra[which][s] != shouldbe) {
printf("error at %d:%d (is=%d shouldbe=%d)\n", a, b, altzebra[which][s], shouldbe);
}
connections.push_back(which * 7 + s + (mirr ? symmask : 0) );
}
}
break;
}
case gKleinQuartic: {
connections = {
/* 000 */ 7, 14, 21, 28, 35, 42, 49,
/* 001 */ 0, 55, 56, 63, 70, 77, 15,
/* 002 */ 1, 13, 83, 84, 91, 98, 22,
/* 003 */ 2, 20, 104, 105, 112, 119, 29,
/* 004 */ 3, 27, 125, 74, 126, 133, 36,
/* 005 */ 4, 34, 139, 95, 66, 140, 43,
/* 006 */ 5, 41, 146, 116, 87, 147, 50,
/* 007 */ 6, 48, 153, 130, 108, 57, 8,
/* 008 */ 9, 54, 107, 102, 154, 142, 64,
/* 009 */ 10, 62, 141, 39, 94, 161, 71,
/* 010 */ 11, 69, 167, 127, 31, 124, 78,
/* 011 */ 12, 76, 123, 158, 149, 85, 16,
/* 012 */ 17, 82, 148, 46, 115, 163, 92,
/* 013 */ 18, 90, 162, 67, 38, 138, 99,
/* 014 */ 19, 97, 137, 155, 59, 106, 23,
/* 015 */ 24, 103, 58, 53, 129, 165, 113,
/* 016 */ 25, 111, 164, 88, 45, 145, 120,
/* 017 */ 26, 118, 144, 159, 79, 75, 30,
/* 018 */ 32, 73, 166, 109, 52, 152, 134,
/* 019 */ 33, 132, 151, 156, 100, 96, 37,
/* 020 */ 40, 65, 61, 160, 121, 117, 44,
/* 021 */ 47, 86, 81, 157, 135, 131, 51,
/* 022 */ 60, 101, 136, 150, 80, 122, 143,
/* 023 */ 68, 93, 89, 114, 110, 128, 72,
};
break;
}
case gBolza: {
connections = {
/* 000 */ 8, 16, 24, 32, 12, 20, 28, 36,
/* 001 */ 0, 35, 47, 21, 4, 39, 43, 17,
/* 002 */ 1, 15, 42, 29, 5, 11, 46, 25,
/* 003 */ 2, 23, 45, 37, 6, 19, 41, 33,
/* 004 */ 3, 31, 40, 9, 7, 27, 44, 13,
/* 005 */ 34, 30, 18, 14, 38, 26, 22, 10,
};
break;
}
case gBolza2: {
connections = {
/* 000 */ 16, 32, 48, 64, 24, 40, 56, 72,
/* 001 */ 20, 44, 52, 76, 28, 36, 60, 68,
/* 002 */ 0, 79, 83, 45, 8, 67, 95, 33,
/* 003 */ 4, 71, 87, 37, 12, 75, 91, 41,
/* 004 */ 1, 23, 94, 61, 13, 27, 86, 49,
/* 005 */ 5, 31, 90, 53, 9, 19, 82, 57,
/* 006 */ 2, 39, 85, 77, 10, 43, 89, 65,
/* 007 */ 6, 47, 81, 69, 14, 35, 93, 73,
/* 008 */ 3, 55, 88, 21, 15, 59, 80, 25,
/* 009 */ 7, 63, 92, 29, 11, 51, 84, 17,
/* 010 */ 70, 58, 46, 18, 78, 50, 38, 26,
/* 011 */ 66, 54, 42, 30, 74, 62, 34, 22,
};
break;
}
default: break;
}
int TOT = connections.size() / S7;
// printf("heptagons = %d\n", TOT);
// printf("all cells = %d\n", TOT*(S7+S3)/S3);
if(!TOT) exit(1);
allh.resize(TOT);
for(int i=0; i<TOT; i++) allh[i] = new heptagon;
// heptagon *oldorigin = origin;
allh[0]->alt = base.origin;
for(int i=0; i<TOT; i++) {
heptagon *h = allh[i];
if(i) {
h->alt = NULL;
}
if(true) {
h->s = hsOrigin;
h->emeraldval = 0;
h->zebraval = 0;
h->fiftyval = 0;
h->fieldval = S7*i;
h->rval0 = h->rval1 = 0; h->cdata = NULL;
h->distance = 0;
h->c7 = newCell(S7, h);
}
for(int j=0; j<S7; j++) {
int co = connections[i*S7+j];
bool swapped = co & symmask;
co &= ~symmask;
h->move[rv(j)] = allh[co/S7];
h->setspin(rv(j), rv(co%S7) + (swapped ? 8 : 0));
}
}
for(int i=0; i<TOT; i++) {
generateAlts(allh[i], geometry == gBolza2 ? 3 : S3-3, false);
allh[i]->emeraldval = allh[i]->alt->emeraldval;
allh[i]->zebraval = allh[i]->alt->zebraval;
allh[i]->fiftyval = allh[i]->alt->fiftyval;
allh[i]->distance = allh[i]->alt->distance;
/* for(int j=0; j<7; j++)
allh[i]->move[j]->alt = createStep(allh[i]->alt, j); */
}
celllister cl(gamestart(), 100, 100000000, NULL);
celllist = cl.lst;
}
heptagon *getOrigin() { return allh[0]; }
~hrmap_quotient() {
for(int i=0; i<isize(allh); i++) {
clearHexes(allh[i]);
delete allh[i];
}
}
vector<cell*>& allcells() { return celllist; }
};
};
// --- general ---
cell *createMov(cell *c, int d);
cellwalker& operator += (cellwalker& cw, int spin) {
cw.spin = (cw.spin+(MIRR(cw)?-spin:spin) + MODFIXER) % cw.c->type;
return cw;
}
cellwalker& operator += (cellwalker& cw, wstep_t) {
createMov(cw.c, cw.spin);
int nspin = cw.c->spn(cw.spin);
if(cw.c->mirror(cw.spin)) cw.mirrored = !cw.mirrored;
cw.c = cw.c->mov[cw.spin];
cw.spin = nspin;
return cw;
}
cellwalker& operator -= (cellwalker& cw, int i) { return cw += (-i); }
cellwalker& operator += (cellwalker& cw, wmirror_t) {
cw.mirrored = !cw.mirrored;
return cw;
}
cellwalker& operator ++ (cellwalker& h, int) { return h += 1; }
cellwalker& operator -- (cellwalker& h, int) { return h -= 1; }
bool cwstepcreates(cellwalker& cw) {
return cw.c->mov[cw.spin] == NULL;
}
/*
cell *cwpeek(cellwalker cw, int dir) {
return (cw+dir+wstep).c;.
// return createMov(cw.c, (cw.spin+MODFIXER+(MIRR(cw)?-dir:dir)) % cw.c->type);
} */
void cwmirrorat(cellwalker& cw, int d) {
cw.spin = (d+d - cw.spin + MODFIXER) % cw.c->type;
cw.mirrored = !cw.mirrored;
}
static const struct rev_t { rev_t() {} } rev;
cellwalker& operator += (cellwalker& cw, rev_t) {
cw += cw.c->type/2 + ((cw.c->type&1)?hrand(2):0);
return cw;
}
static const struct revstep_t { revstep_t() {}} revstep;
cellwalker& operator += (cellwalker& cw, revstep_t) {
cw += rev; cw += wstep; return cw;
}
// very similar to createMove in heptagon.cpp
cell *createMov(cell *c, int d) {
if(d<0 || d>= c->type) {
printf("ERROR createmov\n");
}
if(euclid && !c->mov[d]) {
int id = decodeId(c->master);
for(int dx=-1; dx<=1; dx++)
for(int dy=-1; dy<=1; dy++)
euclideanAtCreate(id + pair_to_vec(dx, dy));
if(!c->mov[d]) { printf("fail!\n"); }
}
if(c->mov[d]) return c->mov[d];
else if(nonbitrunc && gp::on) {
gp::extend_map(c, d);
if(!c->mov[d]) {
printf("extend failed to create for %p/%d\n", c, d);
exit(1);
}
}
else if(nonbitrunc) {
heptagon *h2 = createStep(c->master, d);
merge(c,d,h2->c7,c->master->spin(d),false);
}
else if(c == c->master->c7) {
cell *n = newCell(S6, c->master);
heptspin hs(c->master, d, false);
int alt3 = c->type/2;
int alt4 = alt3+1;
for(int u=0; u<S6; u+=2) {
if(hs.mirrored && geometry == gSmallElliptic) hs+=1;
merge(hs.h->c7, hs.spin, n, u, hs.mirrored);
if(hs.mirrored && geometry == gSmallElliptic) hs+=-1;
hs = hs + alt3 + wstep - alt4;
}
extern void verifycell(cell *c);
verifycell(n);
}
else {
cellwalker cw(c, d, false);
cellwalker cw2 = cw - 1 + wstep - 1 + wstep - 1;
merge(c, d, cw2.c, cw2.spin, cw2.mirrored);
}
return c->mov[d];
}
cell *createMovR(cell *c, int d) {
d %= MODFIXER; d += MODFIXER; d %= c->type;
return createMov(c, d);
}
cell *getMovR(cell *c, int d) {
d %= MODFIXER; d += MODFIXER; d %= c->type;
return c->mov[d];
}
void eumerge(cell* c1, cell *c2, int s1, int s2) {
if(!c2) return;
c1->mov[s1] = c2; tsetspin(c1->spintable, s1, s2);
c2->mov[s2] = c1; tsetspin(c2->spintable, s2, s1);
}
// map<pair<eucoord, eucoord>, cell*> euclidean;
cell*& euclideanAt(int vec) {
if(torus) { printf("euclideanAt called\n"); exit(1); }
hrmap_euclidean* euc = dynamic_cast<hrmap_euclidean*> (currentmap);
return euc->at(vec);
}
cell*& euclideanAtCreate(int vec) {
cell*& c = euclideanAt(vec);
if(!c) {
c = newCell(8, encodeId(vec));
euclideanAt(vec) = c;
build_euclidean_moves(c, vec, [c,vec] (int delta, int d, int d2) { eumerge(c, euclideanAt(vec + delta), d, d2); });
}
return c;
}
// initializer (also inits origin from heptagon.cpp)
void initcells() {
DEBB(DF_INIT, (debugfile,"initcells\n"));
if(torus) currentmap = new hrmap_torus;
else if(euclid) currentmap = new hrmap_euclidean;
else if(sphere) currentmap = new hrmap_spherical;
else if(quotient) currentmap = new quotientspace::hrmap_quotient;
else currentmap = new hrmap_hyperbolic;
allmaps.push_back(currentmap);
windmap::create();
// origin->emeraldval =
}
void clearcell(cell *c) {
if(!c) return;
DEBMEM ( printf("c%d %p\n", c->type, c); )
for(int t=0; t<c->type; t++) if(c->mov[t]) {
DEBMEM ( printf("mov %p [%p] S%d\n", c->mov[t], c->mov[t]->mov[c->spn(t)], c->spn(t)); )
if(c->mov[t]->mov[c->spn(t)] != NULL &&
c->mov[t]->mov[c->spn(t)] != c) {
printf("type = %d %d -> %d\n", c->type, t, c->spn(t));
printf("cell error\n");
exit(1);
}
c->mov[t]->mov[c->spn(t)] = NULL;
}
DEBMEM ( printf("DEL %p\n", c); )
delete c;
}
heptagon deletion_marker;
template<class T> void subcell(cell *c, const T& t) {
if(gp::on) {
forCellEx(c2, c) if(c2->mov[0] == c && c2 != c2->master->c7) {
subcell(c2, t);
}
}
else if(!nonbitrunc)
forCellEx(c2, c) t(c2);
t(c);
}
void clearHexes(heptagon *at) {
if(at->c7 && at->cdata) {
delete at->cdata;
at->cdata = NULL;
}
if(at->c7) subcell(at->c7, clearcell);
}
void unlink_cdata(heptagon *h) {
if(h->alt && h->c7) {
if(h->alt->cdata == (cdata*) h)
h->alt->cdata = NULL;
}
}
void clearfrom(heptagon *at) {
queue<heptagon*> q;
unlink_cdata(at);
q.push(at);
at->alt = &deletion_marker;
//int maxq = 0;
while(!q.empty()) {
at = q.front();
// if(q.size() > maxq) maxq = q.size();
q.pop();
DEBMEM ( printf("from %p\n", at); )
if(!at->c7) {
heptagon *h = (heptagon*) at->cdata;
if(h) {
if(h->alt != at) printf("alt error :: h->alt = %p\n", h->alt);
cell *c = h->c7;
subcell(c, destroycellcontents);
h->alt = NULL;
at->cdata = NULL;
}
}
for(int i=0; i<S7; i++) if(at->move[i]) {
if(at->move[i]->alt != &deletion_marker)
q.push(at->move[i]);
unlink_cdata(at->move[i]);
at->move[i]->alt = &deletion_marker;
DEBMEM ( printf("!mov %p [%p]\n", at->move[i], at->move[i]->move[at->spin(i)]); )
if(at->move[i]->move[at->spin(i)] != NULL &&
at->move[i]->move[at->spin(i)] != at) {
printf("hept error\n");
exit(1);
}
at->move[i]->move[at->spin(i)] = NULL;
at->move[i] = NULL;
}
clearHexes(at);
delete at;
}
//printf("maxq = %d\n", maxq);
}
void verifycell(cell *c) {
int t = c->type;
for(int i=0; i<t; i++) {
cell *c2 = c->mov[i];
if(c2) {
if(!euclid && !nonbitrunc && c == c->master->c7) verifycell(c2);
if(c2->mov[c->spn(i)] && c2->mov[c->spn(i)] != c) {
printf("cell error %p:%d [%d] %p:%d [%d]\n", c, i, c->type, c2, c->spn(i), c2->type);
exit(1);
}
}
}
}
void verifycells(heptagon *at) {
if(gp::on) return;
for(int i=0; i<S7; i++) if(at->move[i] && at->move[i]->move[at->spin(i)] && at->move[i]->move[at->spin(i)] != at) {
printf("hexmix error %p [%d s=%d] %p %p\n", at, i, at->spin(i), at->move[i], at->move[i]->move[at->spin(i)]);
}
if(!sphere && !quotient)
for(int i=0; i<S7; i++) if(at->move[i] && at->spin(i) == 0 && at->s != hsOrigin)
verifycells(at->move[i]);
verifycell(at->c7);
}
int eudist(int sx, int sy) {
int z0 = abs(sx);
int z1 = abs(sy);
if(a4) return z0 + z1;
int z2 = abs(sx+sy);
return max(max(z0,z1), z2);
}
int eudist(int vec) {
auto p = vec_to_pair(vec);
return eudist(p.first, p.second);
}
int compdist(int dx[]) {
int mi = dx[0];
for(int u=0; u<S3; u++) mi = min(mi, dx[u]);
for(int u=0; u<S3; u++)
if(dx[u] > mi+2)
return -1; // { printf("cycle error!\n"); exit(1); }
for(int u=0; u<S3; u++)
if(dx[u] == mi+2)
return mi+1;
int cnt = 0;
for(int u=0; u<S3; u++)
if(dx[u] == mi) cnt++;
if(cnt < 2)
return mi+1;
return mi;
}
int celldist(cell *c) {
if(euclid) {
if(torus)
return torusmap()->dists[decodeId(c->master)];
return eudist(decodeId(c->master));
}
if(sphere) return celldistance(c, currentmap->gamestart());
if(ctof(c)) return c->master->distance;
if(gp::on) return gp::compute_dist(c, celldist);
int dx[MAX_S3];
for(int u=0; u<S3; u++)
dx[u] = createMov(c, u+u)->master->distance;
return compdist(dx);
}
#define ALTDIST_BOUNDARY 99999
#define ALTDIST_UNKNOWN 99998
#define ALTDIST_ERROR 90000
// defined in 'game'
int euclidAlt(short x, short y);
int celldistAlt(cell *c) {
if(euclid) {
if(torus) return celldist(c);
int x, y;
tie(x,y) = vec_to_pair(decodeId(c->master));
return euclidAlt(x, y);
}
if(sphere || quotient) {
return celldist(c) - 3;
}
if(!c->master->alt) return 0;
if(ctof(c)) return c->master->alt->distance;
if(gp::on) return gp::compute_dist(c, celldistAlt);
int dx[MAX_S3]; dx[0] = 0;
for(int u=0; u<S3; u++) if(createMov(c, u+u)->master->alt == NULL)
return ALTDIST_UNKNOWN;
for(int u=0; u<S3; u++)
dx[u] = createMov(c, u+u)->master->alt->distance;
// return compdist(dx); -> not OK because of boundary conditions
int mi = dx[0];
for(int i=1; i<S3; i++) mi = min(mi, dx[i]);
for(int i=0; i<S3; i++) if(dx[i] > mi+2)
return ALTDIST_BOUNDARY; // { printf("cycle error!\n"); exit(1); }
for(int i=0; i<S3; i++) if(dx[i] == mi+2)
return mi+1;
return mi;
}
int dirfromto(cell *cfrom, cell *cto) {
for(int i=0; i<cfrom->type; i++) if(cfrom->mov[i] == cto) return i;
return -1;
}
#define RPV_MODULO 5
#define RPV_RAND 0
#define RPV_ZEBRA 1
#define RPV_EMERALD 2
#define RPV_PALACE 3
#define RPV_CYCLE 4
int getCdata(cell *c, int j);
// x mod 5 = pattern type
// x mod (powers of 2) = pattern type specific
// (x/5) mod 15 = picture for drawing floors
// x mod 7 = chance of pattern-specific pic
// whole = randomization
bool randpattern(cell *c, int rval) {
int i, sw=0;
switch(rval%5) {
case 0:
if(rval&1) {
return hrandpos() < rval;
}
else {
int cd = getCdata(c, 0);
return !((cd/(((rval/2)&15)+1))&1);
}
case 1:
i = zebra40(c);
if(i&1) { if(rval&4) sw^=1; i &= ~1; }
if(i&2) { if(rval&8) sw^=1; i &= ~2; }
i >>= 2;
i--; i /= 3;
if(rval & (16<<i)) sw^=1;
return sw;
case 2:
i = emeraldval(c);
if(i&1) { if(rval&4) sw^=1; i &= ~1; }
if(i&2) { if(rval&8) sw^=1; i &= ~2; }
i >>= 2; i--;
if(rval & (16<<i)) sw^=1;
return sw;
case 3:
if(polara50(c)) { if(rval&4) sw^=1; }
if(polarb50(c)) { if(rval&8) sw^=1; }
i = fiftyval049(c); i += 6; i /= 7;
if(rval & (16<<i)) sw^=1;
return sw;
case 4:
i = (rval&3);
if(i == 1 && (celldist(c)&1)) sw ^= 1;
if(i == 2 && (celldist(c)&2)) sw ^= 1;
if(i == 3 && ((celldist(c)/3)&1)) sw ^= 1;
if(rval & (4<<towerval(c, celldist))) sw ^= 1;
return sw;
}
return 0;
}
string describeRPM(eLand l) {
int rval = randompattern[l];
switch(rval%5) {
case 0:
if(rval&1)
return "R:"+its(rval/(HRANDMAX/100))+"%";
else
return "Landscape/"+its(((rval/2)&15)+1);
case 1:
return "Z/"+its((rval>>2)&3)+"/"+its((rval>>4)&15);
case 2:
return "E/"+its((rval>>2)&3)+"/"+its((rval>>4)&2047);
case 3:
return "P/"+its((rval>>2)&3)+"/"+its((rval>>4)&255);
case 4:
return "C/"+its(rval&3)+"/"+its((rval>>2)&65535);
}
return "?";
}
int randpatternCode(cell *c, int rval) {
switch(rval % RPV_MODULO) {
case 1:
return zebra40(c);
case 2:
return emeraldval(c);
case 3:
return fiftyval049(c) + (polara50(c)?50:0) + (polarb50(c)?1000:0);
case 4:
return towerval(c, celldist) * 6 + celldist(c) % 6;
}
return 0;
}
#define RANDITER 31
char rpm_memoize[3][256][RANDITER+1];
void clearMemoRPM() {
for(int a=0; a<3; a++) for(int b=0; b<256; b++) for(int i=0; i<RANDITER+1; i++)
rpm_memoize[a][b][i] = 2;
}
bool randpatternMajority(cell *c, int ival, int iterations) {
int rval = 0;
if(ival == 0) rval = randompattern[laCaves];
if(ival == 1) rval = randompattern[laLivefjord];
if(ival == 2) rval = randompattern[laEmerald];
if(rval%RPV_MODULO == RPV_RAND) return randpattern(c, rval);
int code = randpatternCode(c, rval);
char& memo(rpm_memoize[ival][code][iterations]);
if(memo < 2) return memo;
int z = 0;
if(iterations) for(int i=0; i<c->type; i++) {
if(randpatternMajority(createMov(c,i), ival, iterations-1))
z++;
else
z--;
}
if(z!=0) memo = (z>0);
else memo = randpattern(c, rval);
// printf("%p] rval = %X code = %d iterations = %d result = %d\n", c, rval, code, iterations, memo);
return memo;
}
map<heptagon*, int> spins;
#define RVAL_MASK 0x10000000
#define DATA_MASK 0x20000000
cdata orig_cdata;
void affect(cdata& d, short rv, signed char signum) {
if(rv&1) d.val[0]+=signum; else d.val[0]-=signum;
if(rv&2) d.val[1]+=signum; else d.val[1]-=signum;
if(rv&4) d.val[2]+=signum; else d.val[2]-=signum;
if(rv&8) d.val[3]+=signum; else d.val[3]-=signum;
int id = (rv>>4) & 63;
if(id < 32)
d.bits ^= (1 << id);
}
void setHeptagonRval(heptagon *h) {
if(!(h->rval0 || h->rval1)) {
h->rval0 = hrand(0x10000);
h->rval1 = hrand(0x10000);
}
}
cdata *getHeptagonCdata(heptagon *h) {
if(h->cdata) return h->cdata;
if(sphere || quotient) h = currentmap->gamestart()->master;
if(h == currentmap->gamestart()->master) {
return h->cdata = new cdata(orig_cdata);
}
cdata mydata = *getHeptagonCdata(h->move[0]);
for(int di=3; di<5; di++) {
heptspin hs; hs.h = h; hs.spin = di;
int signum = +1;
while(true) {
heptspin hstab[15];
hstab[7] = hs;
for(int i=8; i<12; i++) {
hstab[i] = hstab[i-1];
hstab[i] += ((i&1) ? 4 : 3);
hstab[i] += wstep;
hstab[i] += ((i&1) ? 3 : 4);
}
for(int i=6; i>=3; i--) {
hstab[i] = hstab[i+1];
hstab[i] += ((i&1) ? 3 : 4);
hstab[i] += wstep;
hstab[i] += ((i&1) ? 4 : 3);
}
if(hstab[3].h->distance < hstab[7].h->distance) {
hs = hstab[3]; continue;
}
if(hstab[11].h->distance < hstab[7].h->distance) {
hs = hstab[11]; continue;
}
int jj = 7;
for(int k=3; k<12; k++) if(hstab[k].h->distance < hstab[jj].h->distance) jj = k;
int ties = 0, tiespos = 0;
for(int k=3; k<12; k++) if(hstab[k].h->distance == hstab[jj].h->distance)
ties++, tiespos += (k-jj);
// printf("ties=%d tiespos=%d jj=%d\n", ties, tiespos, jj);
if(ties == 2) jj += tiespos/2;
if(jj&1) signum = -1;
hs = hstab[jj];
break;
}
hs = hs + 3 + wstep;
setHeptagonRval(hs.h);
affect(mydata, hs.spin ? hs.h->rval0 : hs.h->rval1, signum);
/* if(!(spins[hs.h] & hs.spin)) {
spins[hs.h] |= (1<<hs.spin);
int t = 0;
for(int k=0; k<7; k++) if(spins[hs.h] & (1<<k)) t++;
static bool wast[256];
if(!wast[spins[hs.h]]) {
printf("%p %4x\n", hs.h, spins[hs.h]);
wast[spins[hs.h]] = true;
}
} */
}
return h->cdata = new cdata(mydata);
}
cdata *getEuclidCdata(int h) {
if(torus) {
static cdata xx;
return &xx;
}
int x, y;
hrmap_euclidean* euc = dynamic_cast<hrmap_euclidean*> (currentmap);
if(euc->eucdata.count(h)) return &(euc->eucdata[h]);
tie(x,y) = vec_to_pair(h);
if(x == 0 && y == 0) {
cdata xx;
for(int i=0; i<4; i++) xx.val[i] = 0;
xx.bits = 0;
return &(euc->eucdata[h] = xx);
}
int ord = 1, bid = 0;
while(!((x|y)&ord)) ord <<= 1, bid++;
for(int k=0; k<3; k++) {
int x1 = x + (k<2 ? ord : 0);
int y1 = y - (k>0 ? ord : 0);
if((x1&ord) || (y1&ord)) continue;
int x2 = x - (k<2 ? ord : 0);
int y2 = y + (k>0 ? ord : 0);
cdata *d1 = getEuclidCdata(pair_to_vec(x1,y1));
cdata *d2 = getEuclidCdata(pair_to_vec(x2,y2));
cdata xx;
double disp = pow(2, bid/2.) * 6;
for(int i=0; i<4; i++) {
double dv = (d1->val[i] + d2->val[i])/2 + (hrand(1000) - hrand(1000))/1000. * disp;
xx.val[i] = floor(dv);
if(hrand(1000) / 1000. < dv - floor(dv)) xx.val[i]++;
}
xx.bits = 0;
for(int b=0; b<32; b++) {
bool gbit = ((hrand(2)?d1:d2)->bits >> b) & 1;
int flipchance = (1<<bid);
if(flipchance > 512) flipchance = 512;
if(hrand(1024) < flipchance) gbit = !gbit;
if(gbit) xx.bits |= (1<<b);
}
return &(euc->eucdata[h] = xx);
}
// impossible!
return NULL;
}
int getCdata(cell *c, int j) {
if(euclid) return getEuclidCdata(decodeId(c->master))->val[j];
else if(geometry) return 0;
else if(ctof(c)) return getHeptagonCdata(c->master)->val[j]*3;
else {
int jj = 0;
auto ar = gp::get_masters(c);
for(int k=0; k<3; k++)
jj += getHeptagonCdata(ar[k]->master)->val[j];
return jj;
}
}
int getBits(cell *c) {
if(euclid) return getEuclidCdata(decodeId(c->master))->bits;
else if(geometry) return 0;
else if(c->type != 6) return getHeptagonCdata(c->master)->bits;
else {
auto ar = gp::get_masters(c);
int b0 = getHeptagonCdata(ar[0]->master)->bits;
int b1 = getHeptagonCdata(ar[1]->master)->bits;
int b2 = getHeptagonCdata(ar[2]->master)->bits;
return (b0 & b1) | (b1 & b2) | (b2 & b0);
}
}
cell *heptatdir(cell *c, int d) {
if(d&1) {
cell *c2 = createMov(c, d);
int s = c->spin(d);
s += 3; s %= 6;
return createMov(c2, s);
}
else return createMov(c, d);
}
int heptdistance(heptagon *h1, heptagon *h2) {
// very rough distance
int d = 0;
while(true) {
if(h1 == h2) return d;
for(int i=0; i<S7; i++) if(h1->move[i] == h2) return d + 1;
int d1 = h1->distance, d2 = h2->distance;
if(d1 >= d2) d++, h1 = h1->move[0];
if(d2 > d1) d++, h2 = h2->move[0];
}
}
int heptdistance(cell *c1, cell *c2) {
if(!hyperbolic || quotient) return celldistance(c1, c2);
else return heptdistance(c1->master, c2->master);
}
map<pair<cell*, cell*>, int> saved_distances;
int celldistance(cell *c1, cell *c2) {
int d = 0;
if(euclid6 || (euclid4 && nonbitrunc)) {
if(!torus)
return eudist(decodeId(c1->master) - decodeId(c2->master));
else if(torus && torusconfig::torus_mode == 0)
return torusmap()->dists[torusconfig::vec_to_id(decodeId(c1->master)-decodeId(c2->master))];
}
if(geometry == gFieldQuotient && !gp::on)
return currfp.getdist(fieldpattern::fieldval(c1), fieldpattern::fieldval(c2));
if(sphere || quotient || torus) {
if(saved_distances.count(make_pair(c1,c2)))
return saved_distances[make_pair(c1,c2)];
celllister cl(c1, 100, 100000000, NULL);
for(int i=0; i<isize(cl.lst); i++)
saved_distances[make_pair(c1, cl.lst[i])] = cl.dists[i];
if(saved_distances.count(make_pair(c1,c2)))
return saved_distances[make_pair(c1,c2)];
return 64;
}
if(gp::on || euclid) {
if(saved_distances.count(make_pair(c1,c2)))
return saved_distances[make_pair(c1,c2)];
if(isize(saved_distances) > 1000000) saved_distances.clear();
celllister cl(c1, 64, 1000, c2);
for(int i=0; i<isize(cl.lst); i++)
saved_distances[make_pair(c1, cl.lst[i])] = cl.dists[i];
if(saved_distances.count(make_pair(c1,c2)))
return saved_distances[make_pair(c1,c2)];
return 64;
}
int d1 = celldist(c1), d2 = celldist(c2);
cell *cl1=c1, *cr1=c1, *cl2=c2, *cr2=c2;
while(true) {
if(weirdhyperbolic) {
if(cl1 == cl2) return d;
if(cl1 == cr2) return d;
if(cr1 == cl2) return d;
if(cr1 == cr2) return d;
if(isNeighbor(cl1, cl2)) return d+1;
if(isNeighbor(cl1, cr2)) return d+1;
if(isNeighbor(cr1, cl2)) return d+1;
if(isNeighbor(cr1, cr2)) return d+1;
}
if(d1 == d2) for(int u=0; u<2; u++) {
cell *ac0 = u ? cr1 : cr2, *ac = ac0;
cell *tgt = u ? cl2 : cl1;
cell *xtgt = u ? cr2 : cr1;
if(ac == tgt) return d;
ac = chosenDown(ac, 1, 1, celldist);
if(ac == tgt) return d+1;
if(ac == xtgt) return d;
ac = chosenDown(ac, 1, 1, celldist);
if(ac == tgt) return d+2;
if(!nonbitrunc) {
ac = chosenDown(ac, 1, 1, celldist);
if(ac == tgt) {
if(chosenDown(ac0, 1, 0, celldist) ==
chosenDown(tgt, -1, 0, celldist))
return d+2;
return d+3;
}
}
}
if(weirdhyperbolic) {
forCellEx(c, cl2) if(isNeighbor(c, cr1)) return d+2;
forCellEx(c, cl1) if(isNeighbor(c, cr2)) return d+2;
forCellEx(ca, cl2) forCellEx(cb, cr1) if(isNeighbor(ca, cb)) return d+3;
forCellEx(ca, cl1) forCellEx(cb, cr2) if(isNeighbor(ca, cb)) return d+3;
forCellEx(ca, cl2) forCellEx(cb, cr1) forCellEx(cc, cb) if(isNeighbor(ca, cc)) return d+4;
forCellEx(ca, cl1) forCellEx(cb, cr2) forCellEx(cc, cb) if(isNeighbor(ca, cc)) return d+4;
}
if(d1 >= d2) {
cl1 = chosenDown(cl1, -1, 0, celldist);
// cl1->item = eItem(rand() % 10);
cr1 = chosenDown(cr1, 1, 0, celldist);
// cr1->item = eItem(rand() % 10);
d++; d1--;
}
if(d1 < d2) {
cl2 = chosenDown(cl2, -1, 0, celldist);
// cl2->item = eItem(rand() % 10);
cr2 = chosenDown(cr2, 1, 0, celldist);
// cr2->item = eItem(rand() % 10);
d++; d2--;
}
}
}
void clearCellMemory() {
for(int i=0; i<isize(allmaps); i++)
if(allmaps[i])
delete allmaps[i];
allmaps.clear();
last_cleared = NULL;
saved_distances.clear();
pd_from = NULL;
}
auto cellhooks = addHook(clearmemory, 500, clearCellMemory);
}
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