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bigstuff.cpp
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bigstuff.cpp
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// Hyperbolic Rogue -- Big Stuff
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
/** \file bigstuff.cpp
* \brief Large map structures, such as (horo)cycles and equidistants.
*
* This file implements:
* * routines related to (horo)cycles
* * routines related to equidistants
* * 'setland' routines for other geometries
* * the buildBigStuff function which calls equidistant/(horo)cycle/barrier generators.
* This routines are general, i.e., not necessarily Steam-specific.
*/
#include "hyper.h"
namespace hr {
EX bool disable_bigstuff;
// horocycles
EX int newRoundTableRadius() {
return 28 + 2 * items[itHolyGrail];
}
#if CAP_COMPLEX2
/** should we generate 'Castle Anthrax' instead of Camelot (an infinite sequence of horocyclic Camelot-likes */
EX bool anthrax() {
return ls::single() && hyperbolic && !cryst;
}
EX int getAnthraxData(cell *c, bool b) {
int d = celldistAlt(c);
int rad = 28 + 3 * camelot::anthraxBonus;
while(d < -rad) {
d += rad + 12;
rad += 3;
}
while(d >= 12) {
if(rad > 5) rad -= 3;
else if(rad) rad--;
d -= rad + 12;
}
if(b) return rad;
return d;
}
#endif
EX int roundTableRadius(cell *c) {
if(eubinary) return 28;
#if CAP_COMPLEX2
if(ls::single()) return getAnthraxData(c, true);
#endif
if(!c->master->alt) return 28;
return altmap::radius(c->master->alt->alt) & GRAIL_RADIUS_MASK;
}
EX int celldistAltRelative(cell *c) {
#if CAP_CRYSTAL
if(cryst) return crystal::dist_relative(c);
#endif
#if MAXMDIM >= 4
if(euc::in(3)) return euc::dist_relative(c);
#endif
if(euclid && quotient) return celldistAlt(c) - roundTableRadius(c);
if(sphere || quotient) {
return celldist(c) - 3;
}
#if CAP_COMPLEX2
if(anthrax()) return getAnthraxData(c, false);
#endif
return celldistAlt(c) - roundTableRadius(c);
}
EX gp::loc camelot_coords() { return gp::loc(a4 ? 21 : 20, 10); }
EX int euclidAlt(short x, short y) {
if(among(specialland, laTemple, laClearing, laCanvas)) {
if(euc::in(2,6))
return max(int(x), x+y);
else if(PURE)
return x + abs(y);
else
return max(x, y);
}
else if(specialland == laCaribbean || specialland == laWhirlpool || specialland == laMountain) {
if(euc::in(2,6))
return
min(
min(max(int(-x), -x-y) + 3,
max(int(x+y), int(y)) + 3),
max(int(x), int(-y)) + 3
);
else if(PURE)
return 3 - min(abs(x-y), abs(x+y));
else
return 3 - min(abs(x), abs(y));
}
else if(specialland == laPrincessQuest)
return euc::dist(gp::loc(x,y), princess::coords());
else return euc::dist(gp::loc(x,y), camelot_coords());
}
EX int cylinder_alt(cell *c) {
if(specialland == laPrincessQuest)
return celldistance(c, euc::at(princess::coords()));
if(specialland == laCamelot)
return celldistance(c, euc::at(camelot_coords()));
int maxmul = 0;
for(int d = 0; d < SG6; d++)
maxmul = max(maxmul, euc::dcross(euc::sdxy(), gp::eudir(d)));
return 5-abs(gdiv(euc::dcross(euc::sdxy(), euc2_coordinates(c)), maxmul));
}
const int NOCOMPASS = 1000000;
EX int compassDist(cell *c) {
if(sphere || quotient) return 0;
if(eubinary || c->master->alt) return celldistAlt(c);
if(isHaunted(c->land) || c->land == laGraveyard) return getHauntedDepth(c);
return NOCOMPASS;
}
/** identify the compass target that compassDist is talking about */
EX const void *whichCompass(cell *c) {
if(sphere || quotient) return nullptr;
if(eubinary || c->master->alt) return c->master->alt->alt;
if(isHaunted(c->land) || c->land == laGraveyard) return &linf[laHaunted];
return &NOCOMPASS;
}
EX cell *findcompass(cell *c) {
int d = compassDist(c);
if(among(d, NOCOMPASS, ALTDIST_BOUNDARY, ALTDIST_UNKNOWN, ALTDIST_ERROR)) return NULL;
auto w = whichCompass(c);
while(inscreenrange(c)) {
if(!eubinary && !sphere && !quotient)
currentmap->extend_altmap(c->master);
forCellEx(c2, c) if(w == whichCompass(c2) && compassDist(c2) < d) {
c = c2;
d = compassDist(c2);
goto nextk;
}
for(int i=0; i<c->master->type; i++) for(int j=0; j<c->master->cmove(i)->type; j++) if(cell *c2 = c->master->cmove(i)->cmove(j)->c7) if(w == whichCompass(c2) && compassDist(c2) < d) {
c = c2;
d = compassDist(c2);
goto nextk;
}
break;
nextk: ;
}
return c;
}
EX bool grailWasFound(cell *c) {
if(eubinary || quotient || sphere) return items[itHolyGrail];
return altmap::radius(c->master->alt->alt) & GRAIL_FOUND;
}
EX int default_levs() {
if(arb::in()) return 2;
if(IRREGULAR)
return 1;
if(S3 >= OINF)
return 1;
#if MAXMDIM >= 4
if(reg3::in_hrmap_rule_or_subrule()) return 0;
#endif
return S3-3;
}
#if HDR
namespace altmap {
/* in quotient space we cannot use alt for quotient */
extern map<heptagon*, short> quotient_relspins;
/** h->move(relspin(h->alt)) corresponds to h->alt->move(0) */
inline short& relspin(heptagon *alt) { return quotient ? quotient_relspins[alt] : alt->zebraval; }
/** for Camelot, the radius */
inline short& radius(heptagon *alt) { return alt->emeraldval; }
/** type of the horocycle -- currently used in Land of Storms which has two types */
inline short& which(heptagon *alt) { return alt->emeraldval; }
/** the original land, for altmaps which may appear in multiple lands (Camelot) */
inline short& orig_land(heptagon *alt) { return alt->fiftyval; }
/** NOTE: do not use fieldval, because it would conflict with the map generation for hrmap_h3_rule and hrmap_rulegen */
}
#endif
map<heptagon*, short> altmap::quotient_relspins;
auto qclear = addHook(hooks_clearmemory, 200, [] { altmap::quotient_relspins.clear(); });
void hrmap::extend_altmap(heptagon *h, int levs, bool link_cdata) {
if(mhybrid) { PIU ( extend_altmap(h, levs, link_cdata) ); }
if(!h->alt) return;
preventbarriers(h->c7);
if(h->c7) forCellEx(c2, h->c7) preventbarriers(c2);
if(GOLDBERG)
for(int i=0; i<S7; i++) preventbarriers(createStep(h, i)->c7);
for(int i=0; i<h->type; i++)
createStep(h->alt, i)->alt = h->alt->alt;
auto relspin = altmap::relspin(h->alt);
// h[relspin] matches alt[0]
// int relspin = h->alt->fieldval;
if(h->type != h->alt->type) return;
for(int i=0; i<h->type; i++) {
int ir = gmod(i-relspin, h->type);
heptagon *hm = h->alt->move(ir);
heptagon *ho = createStep(h, i);
if(ho->alt && ho->alt != hm) {
if(ho->alt->alt == hm->alt && !quotient) {
// printf("ERROR: alt cross! [%d -> %d]\n", ho->alt->distance, hm->distance);
println(hlog, "alt error from ", h->c7, " to ", ho->c7);
// exit(1);
}
continue;
}
ho->alt = hm;
altmap::relspin(hm) = gmod(h->c.spin(i) - h->alt->c.spin(ir), hm->type);
if(link_cdata) hm->cdata = (cdata*) ho;
if(levs) currentmap->extend_altmap(ho, levs-1, link_cdata);
if(S3 >= OINF) preventbarriers(ho->c7);
}
}
void new_voronoi_root(heptagon *h, int dist, int dir, eLand next) {
heptagon *alt = init_heptagon(h->type);
allmaps.push_back(newAltMap(alt));
alt->s = hsA;
alt->alt = alt;
alt->cdata = (cdata*) h;
alt->distance = dist;
vector<pair<heptagon*, heptagon*>> altpairs;
altpairs.emplace_back(h, alt);
altmap::relspin(alt) = dir;
hv_land[alt] = next;
while(alt->distance > -100) {
auto alt1 = createStep(alt, 0);
alt1->alt = alt->alt;
auto h1 = createStep(h, dir);
if(h1->alt) return;
altpairs.emplace_back(h1, alt1);
h1->alt = alt1;
auto dir_alt = alt->c.spin(0);
auto dir_h = h->c.spin(dir);
dir = altmap::relspin(alt1) = gmod(dir_h - dir_alt, alt->type);
h = h1; alt = alt1;
}
for(auto p: altpairs) p.first->alt = p.second;
}
struct cand_info {
int best, bqty;
heptagon *candidate;
vector<int> free_dirs;
};
cand_info voronoi_candidate(heptagon *h) {
cand_info ci;
ci.best = 999999; ci.bqty = 0;
for(int i=0; i<h->type; i++) {
heptagon *ho = createStep(h, i);
int ri = h->c.spin(i);
auto hoa = ho->alt;
if(hoa && hoa->alt) {
auto relspin = altmap::relspin(hoa);
/* we want ho->move(ri) which is hoa->move(ri - relspin) */
int dir = gmod(ri - relspin, hoa->type);
heptagon *hoa1 = createStep(hoa, dir);
if(!hoa1->alt) hoa1->alt = hoa->alt;
auto dist = hoa1->distance;
if(dist < ci.best) {
ci.best = dist;
ci.bqty = 0;
}
if(dist == ci.best && ci.candidate != hoa1) {
ci.bqty++;
ci.candidate = hoa1;
int rb = hoa->c.spin(dir);
/* hoa1->alt->move(rb) is h->move(rb+relspin to compute) */
altmap::relspin(ci.candidate) = gmod(i - rb, ci.candidate->type);
}
}
else ci.free_dirs.push_back(i);
}
return ci;
}
vector<eLand> list_adjacent_lands(heptagon *h) {
vector<eLand> res;
for(int i=0; i<h->type; i++) {
heptspin hs = heptspin(h, i);
hs += wstep;
auto alt = hs.at->alt;
if(!alt) continue;
alt = alt->alt;
res.push_back(hv_land.at(alt));
// go arround the region of alt using the 'butterfly' method, to find the other two lands which seem adjacent
for(int d: {-1, 1}) {
auto hs1 = hs;
for(int i=0; i<100; i++) {
hs1 += d;
hs1 += wstep;
if(!hs1.at->alt) { hs1 += wstep; continue; }
auto alt1 = hs1.at->alt->alt;
if(alt1 != alt) {
res.push_back(hv_land.at(alt1)); break;
}
hs1 += d;
}
}
}
if(res.empty()) return { laBarrier };
return res;
}
void extend_altmap_voronoi(heptagon *h) {
if(h->alt) return;
auto ci = voronoi_candidate(h);
if(ci.bqty == 0) {
new_voronoi_root(h, -30, hrand(h->type), firstland);
return;
}
else if(ci.bqty > 0 && isize(ci.free_dirs)) {
auto& expansion = get_expansion();
ld growth = expansion.get_growth();
ld odds = pow(growth, ci.candidate->distance) * isize(ci.free_dirs);
if(hrandf() < odds / (1 + odds)) {
vector<eLand> lands_list = list_adjacent_lands(h);
auto dist = ci.candidate->distance;
// in PURE, could be a tie, or the new root could win
if(PURE) dist -= hrand(2);
// in BITRUNCATED, it could change too.. need a better formula probably
if(BITRUNCATED) dist += hrand(3) - 1;
// do not care about others...
new_voronoi_root(h, dist, hrand_elt(ci.free_dirs), getNewLand2(lands_list));
return;
}
}
h->alt = ci.candidate;
}
EX pair<heptagon*, int> get_voronoi_winner(cell *c) {
if(c == c->master->c7) {
extend_altmap_voronoi(c->master);
auto ci = voronoi_candidate(c->master);
if(ci.bqty == 1) return { ci.candidate->alt, ci.best };
else return { nullptr, ci.best };
}
else if(!BITRUNCATED) return get_voronoi_winner(c->master->c7);
else {
vector<heptagon*> nearh;
for(int i=0; i<c->type; i++) {
c->cmove(i);
if(c->move(i)->master->c7 == c->move(i)) nearh.push_back(c->move(i)->master);
}
for(auto h: nearh) extend_altmap_voronoi(h);
for(auto h: nearh) if(!h->alt) return { nullptr, 0 };
pair<heptagon*, int> best = {nullptr, 999999};
int bqty = 0;
for(auto h: nearh) {
vector<int> dists;
for(auto h1: nearh) {
if(h == h1) dists.push_back(h->alt->distance);
else {
for(int i=0; i<h->type; i++) if(h->cmove(i) == h1) {
auto ha1 = createStep(h->alt, gmod(i - altmap::relspin(h->alt), h->type));
dists.push_back(ha1->distance);
}
}
}
sort(dists.begin(), dists.end());
int gdist;
if(dists.back() == dists[0]) gdist = dists[0] - 1;
else if(dists.back() == dists[0] + 2) gdist = dists[0] + 1;
else gdist = dists[0];
if(gdist < best.second) {
best.second = gdist; bqty = 0;
}
if(gdist == best.second) {
bqty++;
if(bqty == 1 || best.first == h->alt->alt) best.first = h->alt->alt;
else best.first = nullptr;
}
}
return best;
}
}
#if MAXMDIM >= 4
EX int hrandom_adjacent(cellwalker cw) {
auto& da = currentmap->dirdist(cw);
vector<int> choices = {cw.spin};
for(int a=0; a<cw.at->type; a++) if(da[a] == 1) choices.push_back(a);
return hrand_elt(choices, cw.spin);
}
#endif
EX heptagon *create_altmap(cell *c, int rad, hstate firststate, int special IS(0)) {
if(mhybrid) {
if(hybrid::under_class() == gcSphere) return NULL;
c = hybrid::get_where(c).first;
return PIU ( create_altmap(c, rad, firststate, special) );
}
// check for direction
int gdir = -1;
for(int i=0; i<c->type; i++) {
#if MAXMDIM >= 4
if(!reg3::in_hrmap_rule_or_subrule()) {
#else
if(true) {
#endif
if(c->move(i) && c->move(i)->mpdist < c->mpdist) gdir = i;
}
else {
/* mpdist may be incorrect */
if(c->move(i) && c->move(i)->master->distance < c->master->distance) gdir = i;
}
}
#if MAXMDIM >= 4
if(reg3::in_hrmap_rule_or_subrule() && c->master->distance == 0) gdir = 0;
#endif
if(gdir < 0) return NULL;
// non-crossing in weird hyperbolic
if(weirdhyperbolic) {
if(c->bardir == NOBARRIERS) return NULL;
forCellCM(c1, c) if(c1->bardir == NOBARRIERS) return NULL;
if(IRREGULAR)
for(int i=0; i<S7; i++)
if(createStep(c->master, i)->c7->bardir != NODIR)
return NULL;
}
// check for non-crossing
int bd = 2;
cellwalker bb(c, bd);
if(!weirdhyperbolic && !(checkBarriersFront(bb) && checkBarriersBack(bb))) {
return NULL;
}
cellwalker bf(c, gdir); bf += rev;
auto p = generate_random_path(bf, rad, false, false);
for(auto c: p.path) if(c->bardir != NODIR) return nullptr;
heptagon *h = p.last.at->master;
if(h->alt) {
printf("Error: creatingAlternateMap while one already exists\n");
return NULL;
}
if(special == waPalace) {
cell *c = p.last.at;
if(!ctof(c) || cdist50(c) != 0 || !polarb50(c)) return nullptr;
}
heptagon *alt = init_heptagon(h->type);
allmaps.push_back(newAltMap(alt));
alt->s = firststate;
if(!currentmap->link_alt(h, alt, firststate, p.last.spin)) {
return nullptr;
}
if(mhybrid) hybrid::altmap_heights[alt] = hybrid::get_where(centerover).second;
alt->alt = alt;
h->alt = alt;
alt->cdata = (cdata*) h;
for(int d=rad; d>=0; d--) {
currentmap->extend_altmap(p.path[d]->master);
preventbarriers(p.path[d]);
}
if(special == waPalace) {
cell *c = p.last.at;
princess::generating = true;
c->land = laPalace;
for(int j=BARLEV; j>=0; j--)
setdist(c, j, NULL);
princess::generating = false;
princess::newInfo(c);
princess::forceMouse = false;
if(princess::gotoPrincess && cheater) princess::gotoPrincess=false, cwt.at = c;
}
return alt;
//for(int d=rad; d>=0; d--) printf("%3d. %p {%d}\n", d, hr::voidp(cx[d]->master), cx[d]->master->alt->distance);
}
EX void beCIsland(cell *c) {
int i = hrand(3);
if(i == 0) c->wall = waCIsland;
if(i == 1) c->wall = waCIsland2;
if(i == 2) c->wall = waCTree;
return;
}
EX void generateTreasureIsland(cell *c) {
if(ls::voronoi_structure()) {
if(c->land != laCaribbean) return;
}
else {
gen_alt(c);
}
if(isOnCIsland(c)) return;
bool src = hrand(100) < 10;
if(src) {
beCIsland(c);
if(c->wall == waCTree) return;
}
vector<cell*> ctab;
int qlo, qhi;
for(int i=0; i<c->type; i++) {
cell *c2 = createMov(c, i);
if(!eubinary) currentmap->extend_altmap(c2->master);
auto ok = [&] (cell *c2) {
if(ls::hv_structure() && get_voronoi_winner(c2).first != get_voronoi_winner(c).first) return false;
return true;
};
if(ok(c2) && greater_alt(c, c2)) {
ctab.push_back(c2);
qlo = i; qhi = i;
while(true && isize(ctab) < c->type) {
qlo--;
c2 = c->cmodmove(qlo);
if(!have_alt(c2)) break;
if(!ok(c2)) break;
if(celldistAlt(c2) >= celldistAlt(c)) break;
ctab.push_back(c2);
}
while(true && isize(ctab) < c->type) {
qhi++;
c2 = c->cmodmove(qhi);
if(!have_alt(c2)) break;
if(!ok(c2)) break;
if(celldistAlt(c2) >= celldistAlt(c)) break;
ctab.push_back(c2);
}
break;
}
}
if(ctab.empty()) {
printf("NO QC\n"); c->wall = waSea;
for(int i=0; i<c->type; i++) printf("%d ", celldistAlt(c->move(i)));
printf("vs %d\n", celldistAlt(c));
return;
}
cell* c2 = c->cmodmove((qlo+qhi)/2);
if(ls::voronoi_structure() && c2->land != laCaribbean) c2->land = laCaribbean;
generateTreasureIsland(c2);
if(!src) {
c->wall = c2->wall;
if(c->wall != waCTree && hrand(100) < 15)
c->wall = (c->wall == waCIsland ? waCIsland2 : waCIsland);
}
if(src && c2->wall == waCTree && have_alt(c) && celldistAlt(c) <= -10 && geometry != gRhombic3) {
bool end = true;
for(cell *cc: ctab) {
generateTreasureIsland(cc);
if(cc->wall != waCTree)
end = false;
}
// printf("%p: end=%d, qc=%d, dist=%d\n", hr::voidp(c), end, qc, celldistAlt(c));
if(end) c->item = itPirate;
else c->item = itCompass;
}
}
// equidistants
EX bool generatingEquidistant = false;
EX cell *buildAnotherEquidistant(cell *c, int radius) {
int gdir = -1;
for(int i=0; i<c->type; i++) {
if(c->move(i) && c->move(i)->mpdist < c->mpdist) gdir = i;
}
if(gdir == -1) return NULL;
cellwalker cw(c, (gdir+3) % c->type);
vector<cell*> coastpath;
while(isize(coastpath) < radius || (cw.at->type != 7 && !weirdhyperbolic)) {
// this leads to bugs for some reason!
if(cw.at->land == laCrossroads2) {
#ifdef AUTOPLAY
if(doAutoplay) printf("avoiding the Crossroads II\n"); // todo
#endif
return NULL;
}
if(cw.at->bardir != NODIR) return NULL;
if(cw.at->landparam && cw.at->landparam < radius) return NULL;
/* forCellEx(c2, cw.at) if(c2->bardir != NODIR) {
generatingEquidistant = false;
return;
} */
coastpath.push_back(cw.at);
if(cw.at->land == laNone && cw.at->mpdist <= 7) {
raiseBuggyGeneration(cw.at, "landNone 1");
for(int i=0; i<isize(coastpath); i++) coastpath[i]->item = itPirate;
return NULL;
}
cw = cw + wstep + 3;
if(ctof(cw.at) && hrand(2) == 0) cw++;
}
coastpath.push_back(cw.at);
// printf("setdists\n");
for(int i=1; i<isize(coastpath) - 1; i++) {
if(coastpath[i-1]->land == laNone) {
raiseBuggyGeneration(cwt.at, "landNone 3");
int mpd[10];
for(int i=0; i<10; i++) mpd[i] = coastpath[i]->mpdist;
{for(int i=0; i<10; i++) printf("%d ", mpd[i]);} printf("\n");
for(int i=0; i<isize(coastpath); i++) coastpath[i]->item = itPirate;
return NULL;
}
setdist(coastpath[i], BARLEV, coastpath[i-1]);
setdist(coastpath[i], BARLEV-1, coastpath[i-1]);
if(i < isize(coastpath) - 5) {
coastpath[i]->bardir = NOBARRIERS;
// forCellEx(c2, coastpath[i]) c2->bardir = NOBARRIERS;
}
}
//printf("building barrier\n");
cell *c2 = coastpath[coastpath.size() - 1];
bool nowall = false;
if(c2->land == laNone) {
raiseBuggyGeneration(c2, "landNone 2");
for(int i=0; i<isize(coastpath); i++) coastpath[i]->item = itPirate;
return NULL;
}
// prevent gravity anomalies
if(c2->land != c->land) return NULL;
bool oc = c->land == laOcean;
// else if(ctof(c) && hrand(10000) < 20 && !isCrossroads(c->land) && gold() >= 200)
if(oc && ls::no_walls() && buildBarrierNowall(c2, getNewLand(laOcean))) {
nowall = true;
}
else if(oc && pseudohept(c2) && gold() >= R200 && hrand(10) < 2 && buildBarrierNowall(c2, laCrossroads4)) {
nowall = true;
// raiseBuggyGeneration(c2, "check");
// return;
}
else if(ls::nice_walls()) build_barrier_good(c2);
//printf("building barrier II\n");
if(hasbardir(c2)) extendBarrier(c2);
for(int i=isize(coastpath)-(nowall?1:2); i>=0; i--) {
for(int j=BARLEV; j>=6; j--)
setdist(coastpath[i], j, NULL);
}
return c2;
}
EX void buildAnotherEquidistant(cell *c) {
//printf("building another coast\n");
if(yendor::on) return;
generatingEquidistant = true;
int radius = c->land == laOcean ? 30 : HAUNTED_RADIUS + 5;
buildAnotherEquidistant(c, radius);
generatingEquidistant = false;
}
EX int coastval(cell *c, eLand base) {
if(!c) return UNKNOWN;
if(c->land == laNone) return UNKNOWN;
if(base == laGraveyard) {
if(c->land == laHaunted || c->land == laHauntedWall)
return 0;
if(c->land != laGraveyard && c->land != laHauntedBorder) return 30;
}
else if(base == laMirrored) {
if(!inmirror(c)) return 0;
if(!c->landparam) return UNKNOWN;
return c->landparam & 255;
}
else if(base == laWestWall) {
if(c->land != base) return 0;
}
else {
if(c->land == laOceanWall || c->land == laCaribbean || c->land == laWhirlpool ||
c->land == laLivefjord || c->land == laWarpSea || c->land == laKraken || c->land == laDocks || c->land == laBrownian)
return 30;
if(c->land != laOcean && !isGravityLand(c->land) && c->land != laHaunted) {
return 0;
}
}
if(!c->landparam) return UNKNOWN;
return c->landparam;
}
EX bool checkInTree(cell *c, int maxv) {
if(c->landparam <= 3) return false;
if(!maxv && WDIM == 3 && bt::in()) {
forCellEx(c2, c) if(c2->landflags) return true;
}
if(!maxv) return false;
if(c->landflags) return true;
forCellEx(c2, c)
if(c2->landparam < c->landparam && checkInTree(c2, maxv-1))
return true;
return false;
}
int loopval = 0;
struct loopchecker {
loopchecker() { loopval++; }
~loopchecker() { loopval--; }
};
EX void buildEquidistant(cell *c) {
loopchecker lc;
// sometimes crashes in Archimedean
if(loopval > 100) { c->landparam = 0; return; }
if(!c) return;
if(c->landparam) return;
/* if(weirdhyperbolic) {
c->landparam = 50;
return;
} */
if(sphere || euclid) return;
eLand b = c->land;
if(ls::any_chaos() && !inmirror(b)) return;
if(!b) {
printf("land missing at %p\n", hr::voidp(c));
describeCell(c);
for(int i=0; i<c->type; i++) if(c->move(i))
describeCell(c->move(i));
// buggycells.push_back(c);
}
if(b == laHauntedBorder) b = laGraveyard;
if(inmirror(b)) b = laMirrored;
int mcv = UNKNOWN;
// find the lowest coastval
for(int i=0; i<c->type; i++) {
int cv = coastval(createMov(c,i), b);
if(cv < mcv) mcv = cv;
}
if(S3 == OINF) {
c->landparam = mcv + 1;
return;
}
int mcv2 = 0;
if(mcv == 0) {
// if(generatingEquidistant) printf("mcv=0\n");
c->landparam = 1;
}
else if(WDIM == 3) {
forCellCM(c2, c) if(coastval(c2, b) == mcv)
forCellEx(c3, c2) if(coastval(c3, b) < mcv)
forCellCM(c4, c3) {
if(c4->land == laNone && c2->mpdist <= BARLEV) setdist(c4, BARLEV, c2);
buildEquidistant(c4);
}
forCellCM(c2, c) {
int cv = coastval(c2, b);
if(cv < mcv) mcv = cv;
}
c->landparam = mcv + 1;
}
else {
// if it appears twice, increase it
int qcv = 0;
int sid = 0;
for(int i=0; i<c->type; i++)
if(coastval(c->move(i), b) == mcv)
qcv++, sid = i;
// if(generatingEquidistant) printf("qcv=%d mcv=%d\n", qcv, mcv);
if(qcv >= 2) c->landparam = mcv+1; // (mcv == UNKNOWN ? UNKNOWN : mcv+1);
else {
// if(qcv != 1) { printf("qcv = %d\n", qcv); exit(1); }
cell *c2 = c->move(sid);
int bsid = c->c.spin(sid);
for(int j=0; j<c2->type; j++) {
int q = gmod(bsid+j, c2->type);
cell *c3 = c2->move(q);
if(coastval(c3, b) < mcv) {
cell *c4 = c2->cmodmove(bsid+1);
if(c4->land == laNone && c2->mpdist <= BARLEV) setdist(c4, BARLEV, c2);
buildEquidistant(c4);
mcv2 = coastval(c4, b);
break;
}
q = gmod(bsid-j, c2->type);
c3 = c2->move(q);
if(coastval(c3, b) < mcv) {
cell *c4 = c2->cmodmove(bsid-1);
if(c4->land == laNone && c2->mpdist <= BARLEV) setdist(c4, BARLEV, c2);
buildEquidistant(c4);
mcv2 = coastval(c4, b);
break;
}
}
if(mcv2 > mcv) mcv2 = mcv;
if(mcv2 == 0) mcv2 = mcv;
c->landparam = mcv2+1;
/* if(c->heat < 3)
raiseBuggyGeneration(c, "low heat"); */
}
}
if(!c->landparam) {
// int z = int(c->heat);
if(c->item || c->monst)
printf("building coast over %s/%s, mpdist = %d\n", iinf[c->item].name, minf[c->monst].name,
c->mpdist);
if(c->land == laOcean) c->wall = waSea;
}
if(c->land == laEndorian) {
int ct = c->type;
#if CAP_BT
if(bt::in()) {
int skip = geometry == gHoroRec ? 3 : 2;
int up = bt::updir();
if(c->landparam == 1)
c->landflags = (hrand(100) < 20);
else if(WDIM == 2 && c->type == 6 && (c->landparam % 2) && c->move(bt::bd_down) && c->move(bt::bd_down)->landflags)
c->landflags = 1;
else if(WDIM == 2 && c->type == 7 && (c->landparam % 2 == 0)) {
for(int d: {bt::bd_down_left, bt::bd_down_right})
if(c->move(d) && c->move(d)->landflags)
c->landflags = 1;
}
else if(WDIM == 3 && c->landparam % skip != 1 && c->move(up) && c->move(up)->landflags)
c->landflags = 1;
else if(WDIM == 3 && c->landparam % skip == 1 && c->move(up) && c->move(up)->c.spin(up) == (c->c.spin(up)) && c->move(up)->move(up)->landflags)
c->landflags = 1;
if(c->landflags) c->wall = (WDIM == 3 ? waTrunk3 : waTrunk);
}
else
#endif
#if MAXMDIM >= 4
if(WDIM == 3 && hyperbolic) {
if(c->landparam == 1)
c->landflags = (hrand(100) < 20);
else if(S7 == 12) {
for(int i=0; i<S7; i++) {
cellwalker cw(c, i);
if(!cw.peek()) continue;
cw += wstep;
if(cw.at->landparam != c->landparam-1) continue;
if(!cw.at->landflags) continue;
if(S7 == 6) c->landflags = 1;
else {
auto& da = currentmap->dirdist(cw);
for(int j=0; j<S7; j++) if(cw.at->move(j) && cw.at->move(j)->landparam == c->landparam - 2 && da[j] != 1)
if(c->landparam == 2 ? cw.at->move(j)->land != laEndorian : cw.at->move(j)->landparam)
c->landflags = 1;
}
}
}
else if(c->landparam == 2) {
for(int i=0; i<c->type; i++) {
cellwalker cw(c, i);
if(!cw.peek()) continue;
cw += wstep;
if(cw.at->landparam != 1) continue;
if(!cw.at->landflags) continue;
cw += rev;
if(cw.peek() && cw.peek()->land != laEndorian) c->landflags = 1;
}
}
else if(c->landparam % 2 == 1) {
for(int i=0; i<c->type; i++) {
cellwalker cw(c, i);
if(!cw.peek()) continue;
cw += wstep;
if(cw.at->landparam != c->landparam-1) continue;
if(!cw.at->landflags) continue;
if(S7 == 6) c->landflags = 1;
else {
auto& da = currentmap->dirdist(cw);
for(int j=0; j<S7; j++) if(cw.at->move(j) && cw.at->move(j)->landparam == c->landparam - 2 && da[j] != 1 && cw.at->move(j)->landflags)
c->landflags = 1;
}
}
}
else {
for(int i=0; i<c->type; i++) {
cellwalker cw(c, i);
if(!cw.peek()) continue;
cw += wstep;
if(cw.at->landparam != c->landparam-1) continue;
if(!cw.at->landflags) continue;
cw += rev;
if(cw.peek() && cw.peek()->landflags) c->landflags = 1;
}
}
if(c->landflags) c->wall = waTrunk3;
}
else
#endif
if(c->landparam == 1 && ctof(c)) {
for(int i=0; i<ct; i++) {
int i1 = (i+1) % c->type;
if(c->move(i) && c->move(i)->land != laEndorian && c->move(i)->land != laNone)
if(c->move(i1) && c->move(i1)->land != laEndorian && c->move(i1)->land != laNone) {
c->landflags = 2;
c->wall = waTrunk;
}
}
}
else if(c->landparam == 1 && !ctof(c)) {
int ct = c->type;
for(int i=0; i<ct; i++) {
int i1 = (i+1) % ct;
int i2 = (i+2) % ct;
int i4 = (i+4) % ct;
int i5 = (i+5) % ct;
if(c->move(i) && c->move(i)->land == laBarrier && c->move(i)->type == 7)
if(c->move(i1) && c->move(i1)->land != laBarrier)
if(c->move(i2) && c->move(i2)->land != laBarrier)
if(c->move(i4) && c->move(i4)->land != laBarrier)
if(c->move(i5) && c->move(i5)->land != laBarrier) {
c->landflags = 2;
c->wall = waTrunk;
}
if(c->move(i) && c->move(i)->land != laEndorian && c->move(i)->land != laNone && c->move(i)->type == 7)
if(c->move(i1) && c->move(i1)->land != laEndorian && c->move(i1)->land != laNone)
if(c->move(i5) && c->move(i5)->land != laEndorian && c->move(i5)->land != laNone) {
c->landflags = 3;
c->wall = waTrunk;
}
}
}
else if(c->landparam > 1) {
for(int i=0; i<c->type; i++) {
cell *c2 = c->move(i);
if(c2 && c2->landparam < c->landparam && c2->landflags) {
bool ok = false;
if(c2->landflags == 3)
ok = true;
else if(c2->landflags == 2) {
ok = c->modmove(i+1)->landparam != c->landparam-1
&& c->modmove(i-1)->landparam != c->landparam-1;
}
else for(int j=0; j<c2->type; j++) {
cell *c3 = c2->move(j);
if(c3 && c3->landparam < c2->landparam && c3->landflags)
if(c->c.spin(i) == (j+3)%c2->type || c->c.spin(i) == (j+c2->type-3)%c2->type)
ok = true;
}
if(ok) {
c->wall = waTrunk;
c->landflags = 1;
}
}
if(c2 && c2->landparam < c->landparam && c2->landflags == 1 && ctof(c)) {