mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-10-31 19:36:16 +00:00
462 lines
12 KiB
C++
462 lines
12 KiB
C++
#include "../hyper.h"
|
|
|
|
// an implementation of WFC-like constraint satisfaction problem using polytime dynamic programming
|
|
// see: https://arxiv.org/abs/2002.09534
|
|
|
|
// usage: hyper -canvas 0 -dynamic-wfc [constraint] [cutoff] [radius]
|
|
|
|
// where constraint is one of:
|
|
// 0: every cell has 2 yellow neighbors
|
|
// 1: every cell's neighborhood has two consistent regions
|
|
// 2: every cell's neighborhood has four consistent regions
|
|
// 3: landscape: every cell has 1 consistent region of next type and 1 region of prev type
|
|
|
|
// cutoff is cut off from the disk
|
|
// radius is the radius of the disk to generate
|
|
|
|
namespace hr {
|
|
|
|
namespace dynamic_wfc {
|
|
|
|
bool animated = false;
|
|
|
|
vector<cell*> generate_pd_list(celllister& cl) {
|
|
cell *croot = cl.lst.back();
|
|
|
|
cellwalker cw(croot, 0);
|
|
while(cl.listed(cw.peek())) cw++;
|
|
while(!cl.listed(cw.peek())) cw++;
|
|
|
|
vector<cell*> currpath = {};
|
|
cellwalker cw1 = cw;
|
|
|
|
vector<cell*> result;
|
|
|
|
// int steps = 0;
|
|
|
|
auto push = [&] (cell *c) {
|
|
// println(hlog, "push ", c, " at ", isize(currpath));
|
|
currpath.push_back(c);
|
|
result.push_back(c);
|
|
};
|
|
|
|
auto pop = [&] () {
|
|
// println(hlog, "pop ", currpath.back(), " at ", isize(currpath)-1);
|
|
currpath.pop_back();
|
|
};
|
|
|
|
auto replace = [&] (int pos, cell *c) {
|
|
// println(hlog, "replace ", currpath[pos], " to ", c, " at ", pos, "/", isize(currpath));
|
|
currpath[pos] = c;
|
|
result.push_back(c);
|
|
};
|
|
|
|
push(croot);
|
|
|
|
while(true) {
|
|
cw += wstep;
|
|
cw++;
|
|
while(!cl.listed(cw.peek())) cw++;
|
|
cell *cn = cw.at;
|
|
// cn->item = itGold;
|
|
// println(hlog, "at ", cn, " [", steps++, "]");
|
|
int cd = celldistance(cn, croot) + 1;
|
|
if(cd > isize(currpath))
|
|
push(cn);
|
|
else {
|
|
if(cd < isize(currpath))
|
|
pop();
|
|
|
|
if(currpath.back() != cn) {
|
|
int moves = 1;
|
|
|
|
while(celldistance(currpath[cd-1-moves], cn) > moves) {
|
|
moves++;
|
|
continue;
|
|
}
|
|
|
|
while(moves > 0) {
|
|
moves--;
|
|
forCellEx(cx, currpath[cd-2-moves])
|
|
if(celldistance(cx, cn) == moves)
|
|
replace(cd-1-moves, cx);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
cell *last = nullptr;
|
|
|
|
for(cell *c: currpath) {
|
|
if(last) print(hlog, " ", celldistance(c, last), " ");
|
|
last = c;
|
|
print(hlog, c);
|
|
}
|
|
println(hlog); */
|
|
|
|
for(int i=1; i<isize(currpath); i++)
|
|
if(celldistance(currpath[i-1], currpath[i]) != 1)
|
|
println(hlog, "PD error");
|
|
|
|
if(cw == cw1) break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
struct ttrans {
|
|
int news;
|
|
int olds;
|
|
float proportion;
|
|
char id;
|
|
};
|
|
|
|
vector<ttrans> trans;
|
|
|
|
vector<cell*> ctf;
|
|
|
|
vector<cell*> global_list;
|
|
|
|
int wfctype, wfcrad, cutoff;
|
|
|
|
void wfc_clear() {
|
|
trans.clear();
|
|
ctf.clear();
|
|
global_list.clear();
|
|
}
|
|
|
|
void wfc_build() {
|
|
int code_at = trans.back().news;
|
|
int cpos = isize(ctf);
|
|
for(int i=isize(trans)-1; i>=0; i--) {
|
|
auto& tri = trans[i];
|
|
if(tri.news == code_at) {
|
|
// println(hlog, tie(tri.news, tri.olds, tri.proportion, tri.where, tri.id));
|
|
if(hrandf() < tri.proportion) {
|
|
cell *c = ctf[--cpos];
|
|
int id = tri.id;
|
|
|
|
switch(wfctype) {
|
|
case 0:
|
|
if(id == 0) c->wall = waNone, c->landparam = 0xFF4040;
|
|
else c->wall = waNone, c->landparam = 0xFFFF40;
|
|
break;
|
|
case 1:
|
|
if(id == 0) c->wall = waNone, c->landparam = 0x4040FF;
|
|
else c->wall = waNone, c->landparam = 0x40FF40;
|
|
break;
|
|
case 2:
|
|
if(id == 0) c->wall = waNone, c->landparam = 0x8080FF;
|
|
else c->wall = waNone, c->landparam = 0x202020;
|
|
break;
|
|
case 3:
|
|
if(id == 0) c->wall = waNone, c->landparam = 0xC08080;
|
|
else if(id == 1) c->wall = waNone, c->landparam = 0x80C080;
|
|
else c->wall = waNone, c->landparam = 0x8080C0;
|
|
break;
|
|
}
|
|
|
|
// println(hlog, code_at, " -> ", tri.olds, " [", tri.where, "=", tri.id, "]");
|
|
code_at = tri.olds;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void wfc() {
|
|
int rad = wfcrad;
|
|
vector< vector< vector<cell*> > > new_neighborhoods;
|
|
map<cell*, int> lorder;
|
|
map<cell*, int> multiplicity;
|
|
|
|
set<cell*> consider;
|
|
|
|
celllister cl(cwt.at, rad, 999999, nullptr);
|
|
for(cell *c: cl.lst) setdist(c, 7, nullptr);
|
|
auto l = generate_pd_list(cl);
|
|
int ls = isize(l);
|
|
for(int i=0; i<ls; i++) lorder[l[i]] = i;
|
|
println(hlog, "lorder[0] = ", l[0]);
|
|
|
|
for(int i=0; i<ls; i++) {
|
|
// int dctr = celldistance(l[i], cwt.at);
|
|
int dfirst = celldistance(l[i], l[0]);
|
|
// int dtotal = celldistance(l[0], cwt.at);
|
|
//if(dtotal == dfirst + dctr && dfirst < cutoff) ;
|
|
//else
|
|
if(dfirst >= cutoff)
|
|
consider.insert(l[i]);
|
|
}
|
|
|
|
new_neighborhoods.resize(ls);
|
|
|
|
for(cell *c: cl.lst) {
|
|
bool ok = true;
|
|
forCellEx(c1, c) if(!consider.count(c1)) ok = false;
|
|
if(!ok) continue;
|
|
vector<cell*> nn = {c};
|
|
forCellEx(c1, c) nn.push_back(c1);
|
|
for(auto cx: nn) multiplicity[cx]++;
|
|
int max_order = -1;
|
|
for(auto cx: nn) max_order = max(max_order, lorder[cx]);
|
|
|
|
new_neighborhoods[max_order].push_back(nn);
|
|
}
|
|
|
|
int typecount = 2;
|
|
if(wfctype == 3) typecount++;
|
|
vector<cell*> inpath;
|
|
|
|
typedef unsigned long long code_t;
|
|
const int cpo = 2;
|
|
const code_t mask = (1<<cpo)-1;
|
|
|
|
struct freqdata {
|
|
code_t code;
|
|
int id;
|
|
double prob;
|
|
};
|
|
|
|
vector<freqdata> freq = { freqdata{0, 0, 1} };
|
|
vector<freqdata> nfreq;
|
|
|
|
trans.clear();
|
|
|
|
int nextcode = 1;
|
|
|
|
int all = 2 << (cpo * 8);
|
|
|
|
vector<double> mul(all, 0);
|
|
|
|
for(int a=0; a<all; a++) {
|
|
vector<int> v;
|
|
int a0 = a;
|
|
while(a0) { v.push_back(a0 & mask); a0 >>= cpo; }
|
|
if(isize(v) < 2) continue;
|
|
v.pop_back();
|
|
int cur = v.back();
|
|
v.pop_back();
|
|
int changes = 0;
|
|
for(int i=1; i<isize(v); i++) if(v[i] == 1 && v[i-1] == 0) changes++;
|
|
if(v[0] == 1 && v.back() == 0) changes++;
|
|
int nes = 0;
|
|
for(int vv: v) nes += vv;
|
|
|
|
switch(wfctype) {
|
|
case 0:
|
|
mul[a] = nes == 2;
|
|
break;
|
|
case 1:
|
|
mul[a] = changes == 1;
|
|
break;
|
|
case 2:
|
|
mul[a] = changes == 2;
|
|
break;
|
|
case 3: {
|
|
int ca=0, cb=0, cc=0, cd=0, ce=0;
|
|
int cur1 = (cur+1) % 3;
|
|
int cur2 = (cur+2) % 3;
|
|
int same = 0;
|
|
int in1 = 0;
|
|
int in2 = 0;
|
|
for(int i=0; i<isize(v); i++) {
|
|
auto va = v[i], vb = v[(i+1)%isize(v)];
|
|
if(va == cur && vb == cur1) ca++;
|
|
if(va == cur && vb == cur2) cb++;
|
|
if(va == cur1 && vb == cur) cc++;
|
|
if(va == cur2 && vb == cur) cd++;
|
|
if(va == cur1 && vb == cur2) ce++;
|
|
if(va == cur2 && vb == cur1) ce++;
|
|
if(va == cur) same++;
|
|
if(va == cur1) in1++;
|
|
if(va == cur2) in2++;
|
|
}
|
|
mul[a] = ca==1 && cb==1 && cc==1 && cd==1 && ce==0; // && in1 >= 2; // && in2 >= 2;
|
|
if(mul[a]) println(hlog, v, cur, " => ", mul[a]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// println(hlog, a, ": ", v, " -> ", mul[a]);
|
|
}
|
|
|
|
/*
|
|
mul[0] = 0;
|
|
for(int a=0; a<8; a++)
|
|
mul[1<<a] = 1;
|
|
*/
|
|
|
|
long long tfreq = 0;
|
|
|
|
if(animated)
|
|
for(int j=0; j<ls; j++)
|
|
for(auto& nns: new_neighborhoods[j]) for(auto c: nns) c->landparam = 0x202020;
|
|
|
|
for(int i=0; i<ls; i++) if(consider.count(l[i])) {
|
|
tfreq += isize(freq);
|
|
string s = lalign(0, i, "/", ls, ": freqs = ", isize(freq), " inpath ", isize(inpath));
|
|
println(hlog, s);
|
|
|
|
if(animated) {
|
|
for(int j=0; j<i; j++)
|
|
for(auto& nns: new_neighborhoods[j]) for(auto c: nns) c->landparam = multiplicity[c] ? 0xFFFF00 : 0x00FF00;
|
|
for(auto& nns: new_neighborhoods[i]) for(auto c: nns) c->landparam = 0xFFFFFF;
|
|
|
|
history::progress(s);
|
|
}
|
|
|
|
inpath.push_back(l[i]);
|
|
|
|
int sh = cpo * (isize(inpath)-1);
|
|
|
|
for(auto& p: freq) if(p.prob) for(char c=0; c<typecount; c++) {
|
|
nfreq.emplace_back(p);
|
|
nfreq.back().code |= (code_t(c) << sh);
|
|
}
|
|
freq = std::move(nfreq);
|
|
nfreq = {};
|
|
// println(hlog, "inpath = ", inpath);
|
|
// println(hlog, "freqs = ", isize(freq));
|
|
if(isize(freq) > 500000000) {
|
|
println(hlog, "freq overflow");
|
|
exit(3);
|
|
}
|
|
fflush(stdout);
|
|
|
|
global_list = cl.lst;
|
|
|
|
for(auto& nns: new_neighborhoods[i]) {
|
|
// println(hlog, "acknowledge ", nns);
|
|
fflush(stdout);
|
|
|
|
vector<int> sids;
|
|
for(auto cz: nns) {
|
|
for(int id=0; id<isize(inpath); id++) if(inpath[id] == cz) sids.push_back(id);
|
|
}
|
|
|
|
for(auto& p: freq) {
|
|
unsigned code = 1;
|
|
for(int v: sids) code = (code << cpo) | ((p.code >> (cpo*v)) & mask);
|
|
p.prob *= mul[code];
|
|
}
|
|
|
|
for(auto cz: nns) {
|
|
multiplicity[cz]--;
|
|
if(multiplicity[cz] == 0) {
|
|
ctf.push_back(cz);
|
|
// println(hlog, "remove ", cz, " (#", lorder[cz], ") from ", inpath);
|
|
fflush(stdout);
|
|
int is = isize(inpath)-1;
|
|
int id = 0;
|
|
while(id <= is && inpath[id] != cz) id++;
|
|
if(id > is) {
|
|
println(hlog, "error");
|
|
exit(4);
|
|
}
|
|
inpath[id] = inpath[is];
|
|
inpath.resize(is);
|
|
for(auto& p: freq) if(p.prob) {
|
|
nfreq.push_back(p);
|
|
int tid = (p.code >> (cpo*id)) & mask;
|
|
code_t& s = nfreq.back().code;
|
|
s &=~ (mask << (cpo*id));
|
|
if(id < is) s |= ((s >> (cpo*is)) & mask) << (cpo*id);
|
|
s &=~ (mask << (cpo*is));
|
|
// s.resize(is);
|
|
// if(id < is) s[id] = p.code[is];
|
|
nfreq.back().id = (nfreq.back().id << cpo) | tid;
|
|
}
|
|
|
|
freq.clear();
|
|
sort(nfreq.begin(), nfreq.end(), [] (const freqdata& a, const freqdata& b) { return a.code < b.code; });
|
|
for(int i=0; i<isize(nfreq); i++) {
|
|
auto &next = nfreq[i];
|
|
if(i == 0 || nfreq[i].code != nfreq[i-1].code) {
|
|
freq.push_back(nfreq[i]);
|
|
freq.back().id = nextcode++;
|
|
freq.back().prob = 0;
|
|
}
|
|
|
|
auto& group = freq.back();
|
|
|
|
group.prob += next.prob;
|
|
|
|
ttrans nt;
|
|
nt.news = group.id;
|
|
nt.olds = next.id >> cpo;
|
|
nt.proportion = next.prob / group.prob;
|
|
nt.id = next.id & mask;
|
|
trans.push_back(nt);
|
|
}
|
|
|
|
nfreq.clear();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(isize(freq)) println(hlog, "last freq = ", freq[0].prob);
|
|
println(hlog, "freq size = ", isize(freq));
|
|
println(hlog, "tfreq = ", format("%lld", tfreq));
|
|
println(hlog, "trans size = ", isize(trans));
|
|
println(hlog, "next code = ", nextcode);
|
|
clearMessages();
|
|
|
|
wfc_build();
|
|
}
|
|
|
|
bool wfc_handleKey(int sym, int uni) {
|
|
if(sym == '5') {
|
|
wfc_build();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void hwrite(hstream& f, const ttrans& t) {
|
|
hwrite(f, t.news);
|
|
hwrite(f, t.olds);
|
|
hwrite(f, t.proportion);
|
|
hwrite(f, t.id);
|
|
}
|
|
|
|
void save(string s) {
|
|
fhstream f(s, "wb");
|
|
vector<int> indices;
|
|
for(auto cf: ctf)
|
|
for(int i=0; i<isize(global_list); i++)
|
|
if(global_list[i] == cf) indices.push_back(i);
|
|
|
|
hwrite(f, wfctype);
|
|
hwrite(f, cutoff);
|
|
hwrite(f, wfcrad);
|
|
hwrite(f, indices);
|
|
hwrite(f, trans);
|
|
}
|
|
|
|
auto wfc_hook =
|
|
addHook(hooks_args, 100, [] {
|
|
using namespace arg;
|
|
|
|
if(0) ;
|
|
else if(argis("-dynamic-wfc")) {
|
|
start_game();
|
|
shift(); wfctype = argi();
|
|
shift(); cutoff = argi();
|
|
shift(); wfcrad = argi();
|
|
wfc();
|
|
}
|
|
else if(argis("-dynamic-wfc-save")) {
|
|
shift(); save(args());
|
|
}
|
|
else if(argis("-wfc-regen-key")) {
|
|
rogueviz::rv_hook(hooks_handleKey, 100, wfc_handleKey);
|
|
}
|
|
|
|
else return 1;
|
|
return 0;
|
|
});
|
|
|
|
}
|
|
}
|