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334 lines
10 KiB
C++
334 lines
10 KiB
C++
// Hyperbolic Rogue -- Heptagon
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// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
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/** \file heptagon.cpp
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* \brief implementation of Heptagons
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*
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* Start with locations.cpp
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*/
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#include "hyper.h"
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namespace hr {
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#define MIRR(x) x.mirrored
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int heptacount = 0;
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struct cell;
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cell *newCell(int type, heptagon *master);
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/** the automaton is used to generate each heptagon in an unique way.
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* See http://roguetemple.com/z/dev.php for more help.
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* From the origin we can go further in any direction, and from other heptagons
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* we can go in directions 3 and 4 (0 is back to origin, so 3 and 4 go forward),
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* and sometimes in direction 5
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*/
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EX hstate transition(hstate s, int dir) {
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if(sphere) {
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if(S7 == 4) {
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if(s == hsOrigin) return dir == 0 ? hsB0 : hsB1;
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}
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if(S7 == 3 && S3 == 3) {
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if(s == hsOrigin) return hsB1;
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}
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if(S7 == 3 && S3 == 4) {
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if(s == hsOrigin) return dir == 0 ? hsA0 : hsA1;
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if(s == hsA0 && dir == 1) return hsB0;
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if(s == hsA1 && dir == 1) return hsB1;
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if(s == hsB0 && dir == 2) return hsC;
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return hsError;
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}
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if(s == hsOrigin) return dir == 0 ? hsA0 : hsA1;
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if(s == hsA0 && dir == 2) return hsB0;
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if(s == hsA1 && dir == 2) return hsB1;
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if(s == hsB0 && dir == S7-2) return hsC;
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return hsError;
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}
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else if(S6 == 8) {
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if(s == hsOrigin) return hsA;
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if(s == hsA && (dir >= 2 && dir < S7-1)) return hsA;
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if(s == hsA && (dir == S7-1)) return hsB;
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if(s == hsB && (dir >= 2 && dir < S7-2)) return hsA;
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if(s == hsB && (dir == S7-2)) return hsB;
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}
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else if(S3 >= OINF) {
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if(s == hsOrigin) return hsA;
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if(s == hsA && dir) return hsA;
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}
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else {
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if(s == hsOrigin) return hsA;
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if(s == hsA && dir >= 3 && dir <= S7-3) return hsA;
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if(s == hsA && dir == S7-2) return hsB;
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if(s == hsB && dir >= 3 && dir <= S7-4) return hsA;
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if(s == hsB && dir == S7-3) return hsB;
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}
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return hsError;
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}
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#define COMPUTE -1000000
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// create a new heptagon
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EX heptagon *buildHeptagon1(heptagon *h, heptagon *parent, int d, hstate s, int pard IS(0)) {
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h->alt = NULL;
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h->s = s;
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h->c.connect(pard, parent, d, false);
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h->cdata = NULL;
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return h;
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}
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EX heptagon *init_heptagon(int type) {
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heptagon *h = tailored_alloc<heptagon> (type);
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h->emeraldval = 0;
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h->zebraval = 0;
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h->fiftyval = 0;
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h->fieldval = 0;
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h->rval0 = h->rval1 = 0;
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h->cdata = NULL;
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h->alt = NULL;
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h->c7 = NULL;
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h->distance = 0;
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h->dm4 = 0;
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return h;
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}
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heptagon *buildHeptagon(heptagon *parent, int d, hstate s, int pard = 0, int fixdistance = COMPUTE) {
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heptagon *h = buildHeptagon1(tailored_alloc<heptagon> (S7), parent, d, s, pard);
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if(bt::in() || arcm::in()) return h;
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if(parent->c7) {
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#if CAP_IRR
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if(IRREGULAR)
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irr::link_next(parent, d);
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else
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#endif
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h->c7 = newCell(S7, h);
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h->rval0 = h->rval1 = 0;
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h->emeraldval = emerald_heptagon(parent->emeraldval, d);
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h->zebraval = zebra_heptagon(parent->zebraval, d);
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#if CAP_FIELD
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if(&currfp != &fieldpattern::fp_invalid)
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h->fieldval = currfp.connections[fieldpattern::btspin(parent->fieldval, d)];
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#endif
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if(a38)
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h->fiftyval = fifty_38(parent->fiftyval, d);
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else if(parent->s == hsOrigin)
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h->fiftyval = firstfiftyval(d);
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else
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h->fiftyval = nextfiftyval(parent->fiftyval, parent->move(0)->fiftyval, d);
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}
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else {
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h->c7 = NULL;
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h->emeraldval = 0;
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h->fiftyval = 0;
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h->cdata = NULL;
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}
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//generateEmeraldval(parent);
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//generateEmeraldval(h);
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if(pard == 0) {
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h->dm4 = parent->dm4+1;
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if(fixdistance != COMPUTE) h->distance = fixdistance;
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else if(S3 == 4 && BITRUNCATED) {
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h->distance = parent->distance + 2;
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if(h->c.spin(0) == 2 || (h->c.spin(0) == 3 && S7 <= 5))
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h->distance = min<short>(h->distance, createStep(h->move(0), 0)->distance + 3);
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if(h->c.spin(0) == 2 && h->move(0)) {
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int d = h->c.spin(0);
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int d1 = (d+S7-1)%S7;
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bool missing0 = !h->move(0)->move(d1);
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if(missing0) {
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if(s == 1)
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h->distance = h->move(0)->distance + 1;
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}
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else {
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heptagon* h1 = createStep(h->move(0), d1);
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if(h1->distance <= h->move(0)->distance)
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h->distance = h->move(0)->distance+1;
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}
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}
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if((h->s == hsB && h->move(0)->s == hsB) || h->move(0)->s == hsA) {
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int d = h->c.spin(0);
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heptagon* h1 = createStep(h->move(0), (d+1)%S7);
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if(h1->distance <= h->move(0)->distance)
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h->distance = h->move(0)->distance+1;
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}
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if(h->c.spin(0) == S7-1 && (h->move(0)->s != hsOrigin) && BITRUNCATED) {
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bool missing = !h->move(S7-1);
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if(missing) {
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h->distance = parent->distance;
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if(
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parent->distance - h->move(0)->move(0)->distance == 1 &&
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h->c.spin(0) == S7 - 1 &&
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h->move(0)->c.spin(0) == 2)
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h->distance++;
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}
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else {
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h->distance = min(
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h->move(0)->move(0)->distance + 2,
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createStep(h, S7-1)->distance + 1
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);
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}
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}
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}
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else if(parent->s == hsOrigin) h->distance = parent->distance + gp::dist_2();
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#if CAP_GP
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else if(S3 == 4 && GOLDBERG && h->c.spin(0) == S7-2 && h->move(0)->c.spin(0) >= S7-2 && h->move(0)->move(0)->s != hsOrigin) {
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heptspin hs(h, 0);
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hs += wstep;
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int d1 = hs.at->distance;
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hs += 1; hs += wstep;
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int dm = hs.at->distance;
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hs += -1; hs += wstep;
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int d0 = hs.at->distance;
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h->distance = gp::solve_triangle(dm, d0, d1, gp::param * gp::loc(-1,1));
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}
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else if(S3 == 4 && GOLDBERG && h->c.spin(0) == S7-1 && among(h->move(0)->c.spin(0), S7-2, S7-3) && h->move(0)->move(0)->s != hsOrigin) {
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heptspin hs(h, 0);
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hs += wstep;
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int d0 = hs.at->distance;
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hs += 1; hs += wstep;
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int dm = hs.at->distance;
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hs += 1; hs += wstep;
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int d1 = hs.at->distance;
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h->distance = gp::solve_triangle(dm, d0, d1, gp::param * gp::loc(1,1));
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}
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else if(S3 == 4 && GOLDBERG && h->c.spin(0) >= 2 && h->c.spin(0) <= S7-2) {
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h->distance = parent->distance + gp::dist_2();
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}
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#endif
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else if(h->c.spin(0) == S7-2) {
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#if CAP_GP
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if(GOLDBERG) {
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int d0 = parent->distance;
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int d1 = createStep(parent, S7-1)->distance;
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int dm = createStep(parent, 0)->distance;
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h->distance = gp::solve_triangle(dm, d0, d1, gp::param * gp::loc(1,1));
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} else
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#endif
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h->distance = parent->distance + gp::dist_1();
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}
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else if(h->c.spin(0) == S7-3 && h->move(0)->s == hsB) {
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#if CAP_GP
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if(GOLDBERG) {
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int d0 = parent->distance;
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int d1 = createStep(parent, S7-2)->distance;
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int dm = createStep(parent, S7-1)->distance;
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h->distance = gp::solve_triangle(dm, d0, d1, gp::param * gp::loc(1,1));
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} else
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#endif
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h->distance = createStep(h->move(0), (h->c.spin(0)+2)%S7)->distance + gp::dist_3();
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}
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else if(h->c.spin(0) == S7-1 && S3 == 4 && GOLDBERG) {
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h->distance = parent->distance + gp::dist_1();
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}
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else h->distance = parent->distance + gp::dist_2();
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}
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else {
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h->distance = parent->distance - gp::dist_2();
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if(S3 == 4 && S7 > 5 && BITRUNCATED) {
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h->distance = parent->distance - 2;
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}
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if(S3 == 4 && S7 == 5) {
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if(h->s == hsOrigin) {
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printf("had to cheat!\n");
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h->distance = parent->distance - 2;
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}
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else {
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h->distance = parent->distance - 1;
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buildHeptagon(h, 2, hsA, 0, h->distance + 2);
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buildHeptagon(h, 4, hsB, 0, h->distance);
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}
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}
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h->dm4 = parent->dm4-1;
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}
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return h;
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}
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int recsteps;
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void addSpin(heptagon *h, int d, heptagon *from, int rot, int spin) {
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rot = h->c.fix(rot);
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auto h1 = createStep(from, rot);
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int fr = h1->c.fix(from->c.spin(rot) + spin);
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h->c.connect(d, from->move(rot), fr, false);
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}
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extern int hrand(int);
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EX hookset<void(heptagon*, int)> hooks_createStep;
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// create h->move(d) if not created yet
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heptagon *createStep(heptagon *h, int d) {
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d = h->c.fix(d);
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if(h->move(d)) return h->move(d);
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callhooks(hooks_createStep, h, d);
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return currentmap->create_step(h, d);
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}
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heptagon *hrmap_standard::create_step(heptagon *h, int d) {
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if(!h->move(0) && h->s != hsOrigin && !bt::in() && !cryst) {
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// cheating:
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int pard=0;
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if(S3 == 3)
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pard = 3 + hrand(2);
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else if(S3 == 4 && S7 == 5)
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pard = 3; // to do: randomize
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else if(S3 == 4)
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pard = 3;
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buildHeptagon(h, 0, h->distance < -global_distance_limit - 200 ? hsOrigin : hsA, pard);
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}
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if(h->move(d)) return h->move(d);
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if(h->s == hsOrigin) {
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buildHeptagon(h, d, hsA);
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}
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else if(S3 == 4) {
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if(d == 1) {
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heptspin hs(h, 0, false);
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hs = hs + wstep - 1 + wstep - 1 + wstep - 1;
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h->c.connect(d, hs);
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}
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else if(h->s == hsB && d == S7-1) {
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heptspin hs(h, 0, false);
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hs = hs + wstep + 1 + wstep + 1 + wstep + 1;
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h->c.connect(d, hs);
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}
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else
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buildHeptagon(h, d, transition(h->s, d));
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}
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else if(S3 > 4 && quotient) {
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/* this branch may be used for some >4-valent quotient spaces outside of standard HyperRogue */
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/* this is wrong, but we don't care in quotient */
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h->move(d) = h;
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// buildHeptagon(h, d, transition(h->s, d));
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}
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else if(d == 1) {
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addSpin(h, d, h->move(0), h->c.spin(0)-1, -1);
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}
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else if(d == S7-1) {
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addSpin(h, d, h->move(0), h->c.spin(0)+1, +1);
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}
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else if(d == 2) {
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createStep(h->move(0), h->c.spin(0)-1);
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addSpin(h, d, h->move(0)->modmove(h->c.spin(0)-1), S7-2 + h->move(0)->c.modspin(h->c.spin(0)-1), -1);
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}
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else if(d == S7-2 && h->s == hsB) {
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createStep(h->move(0), h->c.spin(0)+1);
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addSpin(h, d, h->move(0)->modmove(h->c.spin(0)+1), 2 + h->move(0)->c.modspin(h->c.spin(0)+1), +1);
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}
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else
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buildHeptagon(h, d, (d == S7-2 || (h->s == hsB && d == S7-3)) ? hsB : hsA);
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return h->move(d);
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}
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// display the coordinates of the heptagon
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void backtrace(heptagon *pos) {
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if(pos->s == hsOrigin) return;
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backtrace(pos->move(0));
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printf(" %d", pos->c.spin(0));
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}
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void hsshow(const heptspin& t) {
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printf("ORIGIN"); backtrace(t.at); printf(" (spin %d)\n", t.spin);
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}
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}
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