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hyperrogue/rogueviz/sag.cpp
Zeno Rogue 59ea009521 rogueviz::sag:: cleared debug
2021-06-25 15:14:22 +02:00

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#include "rogueviz.h"
// SAG visualizer (e.g. Reddit roguelikes, GitHub languages)
//-----------------------------------------------------------
// see: https://www.youtube.com/watch?v=mDG3_f8R2Ns (SAG boardgames)
// see: https://www.youtube.com/watch?v=WSyygk_3j9o (SAG roguelikes)
// see: https://www.youtube.com/watch?v=HWQkDkeEUeM (SAG programming languages)
namespace rogueviz {
namespace sag {
bool turn(int delta);
int sagpar = 0;
enum eSagmode { sagOff, sagHC, sagSA };
eSagmode sagmode; // 0 - off, 1 - hillclimbing, 2 - SA
const char *sagmodes[3] = {"off", "HC", "SA"};
ld temperature = -4;
const int INSNAKE = 117;
int numsnake;
const char *loadfname;
#define MAXSNAKETAB 1000
int sdist[MAXSNAKETAB][MAXSNAKETAB];
int insnaketab = 0;
vector<cell*> snakecells;
vector<int> snakefirst, snakelast;
vector<int> snakenode;
vector<int> snakeid;
vector<int> lpbak;
vector<int> wpbak;
bool snake_enabled;
void setsnake(cellwalker& cw, int i) {
lpbak[i] = cw.at->landparam;
wpbak[i] = cw.at->wparam;
cw.at->landparam = i; cw.at->wparam = INSNAKE;
// cw.at->monst = moWormtail; cw.at->mondir = cw.spin;
snakecells[i] = cw.at;
}
void snakeswitch() {
for(int i=0; i<numsnake; i++) {
cell *c = snakecells[i];
int x;
x = lpbak[i]; lpbak[i] = c->landparam; c->landparam = x;
x = wpbak[i]; wpbak[i] = c->wparam; c->wparam = x;
}
snake_enabled = !snake_enabled;
}
void enable_snake() { if(!snake_enabled) snakeswitch(); }
void disable_snake() { if(snake_enabled) snakeswitch(); }
int snakedist(int i, int j) {
if(i < insnaketab && j < insnaketab) return sdist[i][j];
if(bounded) return celldistance(snakecells[i], snakecells[j]);
int i0 = i, i1 = i, j0 = j, j1 = j;
int cost = 0;
// intersect
while(true) {
if(j0 > i1+1) { j0 = snakefirst[j0], j1 = snakelast[j1]; cost++; }
else if(i0 > j1+1) { i0 = snakefirst[i0], i1 = snakelast[i1]; cost++; }
else if(j1+1 == i0) return cost+1;
else if(i1+1 == j0) return cost+1;
else return cost;
}
}
void initSnake(int n) {
if(bounded) n = isize(currentmap->allcells());
numsnake = n;
snakecells.resize(numsnake);
snakefirst.resize(numsnake);
snakelast.resize(numsnake);
snakenode.resize(numsnake);
lpbak.resize(numsnake);
wpbak.resize(numsnake);
if(bounded) {
for(int i=0; i<n; i++) {
cellwalker cw(currentmap->allcells()[i], 0);
setsnake(cw, i);
}
}
else {
cellwalker cw = cwt;
setsnake(cw, 0);
cw += wstep;
setsnake(cw, 1);
for(int i=2; i<=numsnake; i++) {
if(i == numsnake && sphere) break;
cw += wstep;
snakefirst[i-1] = cw.at->landparam;
while(cw.at->wparam == INSNAKE) {
snakelast[i-1] = cw.at->landparam;
cw = cw + wstep + 1 + wstep;
}
if(i == numsnake) break;
setsnake(cw, i); cw += 1;
}
}
int stab = min(numsnake, MAXSNAKETAB);
for(int i=0; i<stab; i++)
for(int j=0; j<stab; j++)
sdist[i][j] = snakedist(i,j);
insnaketab = stab;
snake_enabled = true;
}
ld hub_penalty;
string hub_filename;
vector<int> hubval;
double costat(int vid, int sid) {
if(vid < 0) return 0;
double cost = 0;
vertexdata& vd = vdata[vid];
for(int j=0; j<isize(vd.edges); j++) {
edgeinfo *ei = vd.edges[j].second;
int t2 = vd.edges[j].first;
if(snakeid[t2] != -1) cost += snakedist(sid, snakeid[t2]) * ei->weight2;
}
if(!hubval.empty()) {
cell *c = snakecells[sid];
for(int i=0; i<c->type; i++) {
cell *c2 = c->move(i);
if(c2 && c2->wparam == INSNAKE) {
int vid2 = snakenode[c2->landparam];
if(vid2 >= 0 && (hubval[vid] & hubval[snakenode[c2->landparam]]) == 0)
cost += hub_penalty;
}
}
}
/* cell *c = snakecells[id];
for(int i=0; i<c->type; i++) {
cell *c2 = c->move(i);
if(c2 && c2->wparam == INSNAKE && snakenode[c2->landparam] >= 0)
cost += 100;
} */
return cost;
}
// std::mt19937 los;
bool infullsa;
double cost;
int N;
vector<double> chgs;
edgetype *sag_edge;
void forgetedges(int id) {
for(int i=0; i<isize(vdata[id].edges); i++)
vdata[id].edges[i].second->orig = NULL;
}
bool chance(double p) {
p *= double(hrngen.max()) + 1;
auto l = hrngen();
auto pv = (decltype(l)) p;
if(l < pv) return true;
if(l == pv) return chance(p-pv);
return false;
}
void saiter() {
aiter:
int t1 = hrand(N);
int sid1 = snakeid[t1];
int sid2;
int s = hrand(6);
if(s == 3) s = 2;
if(s == 4) s = 5;
if((sagpar&1) && (s == 2 || s == 3 || s == 4)) return;
if(s == 5) sid2 = hrand(numsnake);
else {
cell *c;
if(s>=2 && isize(vdata[t1].edges)) c = snakecells[snakeid[hrand(isize(vdata[t1].edges))]];
else c = snakecells[sid1];
int it = s<2 ? (s+1) : s-2;
for(int ii=0; ii<it; ii++) {
int d = hrand(c->type);
c = c->move(d);
if(!c) goto aiter;
if(c->wparam != INSNAKE) goto aiter;
}
sid2 = c->landparam;
}
int t2 = snakenode[sid2];
snakenode[sid1] = -1; snakeid[t1] = -1;
snakenode[sid2] = -1; if(t2 >= 0) snakeid[t2] = -1;
double change =
costat(t1,sid2) + costat(t2,sid1) - costat(t1,sid1) - costat(t2,sid2);
snakenode[sid1] = t1; snakeid[t1] = sid1;
snakenode[sid2] = t2; if(t2 >= 0) snakeid[t2] = sid2;
if(change < 0) chgs.push_back(-change);
if(change > 0 && (sagmode == sagHC || !chance(exp(-change * exp(-temperature))))) return;
snakenode[sid1] = t2; snakenode[sid2] = t1;
snakeid[t1] = sid2; if(t2 >= 0) snakeid[t2] = sid1;
if(vdata[t1].m) vdata[t1].m->base = snakecells[sid2];
if(t2 >= 0 && vdata[t2].m) vdata[t2].m->base = snakecells[sid1];
cost += 2*change;
if(t1 >= 0) forgetedges(t1);
if(t2 >= 0) forgetedges(t2);
}
void organize() {
for(int i=0; i<numsnake; i++) snakenode[i] = -1;
vector<int> freenodes;
for(int i=0; i<N; i++)
if(snakeid[i] != -1)
snakenode[snakeid[i]] = i;
for(int i=0; i<N; i++)
if(snakeid[i] != -1)
if(snakenode[snakeid[i]] != i)
snakeid[i] = -1;
for(int i=0; i<numsnake; i++)
if(snakenode[i] == -1)
freenodes.push_back(i);
int j = 0;
for(int i=0; i<N; i++)
if(snakeid[i] == -1) {
snakeid[i] = freenodes[j];
snakenode[freenodes[j]] = i;
j++;
}
cost = 0; for(int i=0; i<N; i++) cost += costat(i, i);
}
void loadsnake(const string& fname) {
printf("Loading the sag from: %s\n", fname.c_str());
FILE *sf = fopen(fname.c_str(), "rt");
if(!sf) { printf("Failed to open file.\n"); exit(1); }
if(sf) while(true) {
string lab;
while(true) {
int c = fgetc(sf);
if(c == EOF) goto afterload;
else if(c == ',' || c == ';') break;
else if(rv_ignore(c)) ;
else lab += c;
}
int sid = -1;
int err = fscanf(sf, "%d", &sid);
if(sid < 0 || sid >= numsnake || err < 1) sid = -1;
if(!labeler.count(lab)) {
printf("unknown vertex: %s\n", lab.c_str());
}
else {
int id = getid(lab);
snakeid[id] = sid;
}
}
afterload:
if(sf) fclose(sf);
organize();
for(int i=0; i<N; i++) {
if(vdata[i].m) vdata[i].m->base = snakecells[sag::snakeid[i]];
forgetedges(i);
}
shmup::fixStorage();
}
vector<edgeinfo> sagedges;
/* bool totcmp(int i, int j) {
return totwei[i] > totwei[j];
} */
int ipturn = 100;
int numiter = 0;
int hightemp = 10;
int lowtemp = -15;
void dofullsa(int satime) {
sagmode = sagSA;
enable_snake();
int t1 = SDL_GetTicks();
while(true) {
int t2 = SDL_GetTicks();
double d = (t2-t1) / (1000. * satime);
if(d > 1) break;
temperature = hightemp - (d*(hightemp-lowtemp));
chgs.clear();
for(int i=0; i<50000; i++) {
numiter++;
sag::saiter();
}
DEBB(DF_LOG, (format("it %8d temp %6.4f [1/e at %13.6f] cost = %f ",
numiter, double(sag::temperature), (double) exp(sag::temperature),
double(sag::cost))));
sort(chgs.begin(), chgs.end());
int cc = chgs.size() - 1;
DEBB(DF_LOG, (format("%9.4f .. %9.4f .. %9.4f .. %9.4f .. %9.4f\n",
double(chgs[0]), double(chgs[cc/4]), double(chgs[cc/2]), double(chgs[cc*3/4]), double(chgs[cc]))));
fflush(stdout);
}
temperature = -5;
disable_snake();
sagmode = sagOff;
}
void iterate() {
if(!sagmode) return;
int t1 = SDL_GetTicks();
enable_snake();
for(int i=0; i<ipturn; i++) {
numiter++;
sag::saiter();
}
disable_snake();
int t2 = SDL_GetTicks();
int t = t2 - t1;
if(t < 50) ipturn *= 2;
else if(t > 200) ipturn /= 2;
else ipturn = ipturn * 100 / t;
DEBB(DF_LOG, ("it %8d temp %6.4f [2:%8.6f,10:%8.6f,50:%8.6f] cost = %f\n",
numiter, double(sag::temperature),
(double) exp(-2 * exp(-sag::temperature)),
(double) exp(-10 * exp(-sag::temperature)),
(double) exp(-50 * exp(-sag::temperature)),
(double) sag::cost));
}
void savesnake(const string& fname) {
FILE *f = fopen(fname.c_str(), "wt");
for(int i=0; i<N; i++)
fprintf(f, "%s;%d\n", vdata[i].name.c_str(), snakeid[i]);
fclose(f);
}
void loglik() {
int indist[30], pedge[30];
for(int d=0; d<30; d++) indist[d] = 0, pedge[d] = 0;
for(int i=0; i<N; i++)
for(int j=0; j<i; j++)
indist[snakedist(snakeid[i], snakeid[j])]++;
for(int i=0; i<isize(sagedges); i++) {
edgeinfo& ei = sagedges[i];
if(snakedist(snakeid[ei.i], snakeid[ei.j]) == 0) {
printf("zero between %d (%s) and %d (%s)\n",
snakeid[ei.i], vdata[ei.i].name.c_str(),
snakeid[ei.j], vdata[ei.j].name.c_str());
}
if(ei.weight >= sag_edge->visible_from)
pedge[snakedist(snakeid[ei.i], snakeid[ei.j])]++;
}
for(int d=0; d<30; d++)
if(indist[d])
printf("%2d: %7d/%7d %7.3lf\n",
d, pedge[d], indist[d], double(pedge[d] * 100. / indist[d]));
ld loglik = 0;
for(int d=0; d<30; d++) {
int p = pedge[d], pq = indist[d];
int q = pq - p;
if(p && q)
loglik += p * log(p) + q * log(q) - pq * log(pq);
}
println(hlog, "loglikelihood = ", fts(loglik));
}
void read_hubs(const string& fname) {
hubval.resize(isize(vdata), -1);
fhstream f(fname, "rt");
if(!f.f) { printf("Failed to open hub file: %s\n", fname.c_str()); exit(1); }
println(hlog, "loading hubs: ", fname);
while(!feof(f.f)) {
string l1, l2;
while(true) {
int c = fgetc(f.f);
if(c == EOF) return;
else if(c == ';') break;
else if(rv_ignore(c)) ;
else l1 += c;
}
while(true) {
int c = fgetc(f.f);
if(c == EOF) return;
else if(c == ';') return;
else if(rv_ignore(c)) break;
else l2 += c;
}
if(!id_known(l1)) {
printf("label unknown: %s\n", l1.c_str());
exit(1);
}
hubval[getid(l1)] = atoi(l2.c_str());
}
}
void readsag(const char *fname) {
maxweight = 0;
sag_edge = add_edgetype("SAG edge");
fhstream f(fname, "rt");
if(!f.f) { printf("Failed to open SAG file: %s\n", fname); exit(1); }
// while(fgetc(f) != 10 && fgetc(f) != 13 && !feof(f)) ;
while(!feof(f.f)) {
string l1, l2;
while(true) {
int c = fgetc(f.f);
if(c == EOF) return;
else if(c == ';') break;
else if(rv_ignore(c)) ;
else l1 += c;
}
while(true) {
int c = fgetc(f.f);
if(c == EOF) return;
else if(c == ';') break;
else if(rv_ignore(c)) ;
else l2 += c;
}
ld wei;
if(!scan(f, wei)) continue;
edgeinfo ei(sag_edge);
ei.i = getid(l1);
ei.j = getid(l2);
ei.weight = wei;
sagedges.push_back(ei);
}
}
ld edgepower=1, edgemul=1;
void read(string fn) {
fname = fn;
init(RV_GRAPH | RV_WHICHWEIGHT | RV_AUTO_MAXWEIGHT | RV_HAVE_WEIGHT);
rv_hook(rogueviz::hooks_close, 100, [] { sag::sagedges.clear(); });
rv_hook(shmup::hooks_turn, 100, turn);
rv_hook(rogueviz::hooks_rvmenu, 100, [] {
dialog::addSelItem(XLAT("temperature"), fts(sag::temperature), 't');
dialog::add_action([] {
dialog::editNumber(sag::temperature, sag::lowtemp, sag::hightemp, 1, 0, XLAT("temperature"), "");
});
dialog::addSelItem(XLAT("SAG mode"), sag::sagmodes[sag::sagmode], 'm');
dialog::add_action([] { sag::sagmode = sag::eSagmode( (1+sag::sagmode) % 3 ); });
});
weight_label = "min weight";
temperature = 0; sagmode = sagOff;
readsag(fname.c_str());
if(hub_filename != "")
read_hubs(hub_filename);
N = isize(vdata);
// totwei.resize(N);
// for(int i=0; i<N; i++) totwei[i] = 0;
for(int i=0; i<N; i++) vdata[i].data = 0;
/* for(int i=0; i<isize(sagedges); i++) {
edgeinfo& ei = sagedges[i];
// maxwei[ei.i] = max(maxwei[ei.i], ei.weight);
// maxwei[ei.j] = max(maxwei[ei.j], ei.weight);
// totwei[ei.i] += ei.weight;
// totwei[ei.j] += ei.weight;
} */
for(int i=0; i<isize(sagedges); i++) {
edgeinfo& ei = sagedges[i];
// (ei.weight >= maxwei[ei.i] / 5 || ei.weight >= maxwei[ei.j] / 5);
ei.weight2 = pow((double) ei.weight, (double) edgepower) * edgemul;
// LANG:: pow(ei.weight, .4) / 50;
// ei.weight2 = 0; int w = ei.weight; while(w) { w >>= 1; ei.weight2++; }
/* if(totwei[ei.i] <= 0 || totwei[ei.j] <= 0) {
printf("BAD TOTWEI\n");
exit(1);
}
ei.weight2 = 3 * (
sqrt(ei.weight * 1. / totwei[ei.i]) * log(totwei[ei.i]) * log(totwei[ei.i]) +
sqrt(ei.weight * 1. / totwei[ei.j]) * log(totwei[ei.j]) * log(totwei[ei.j])); */
// printf("%f\n", ei.weight2);
addedge0(ei.i, ei.j, &ei);
}
initSnake(N*2);
printf("numsnake = %d\n", numsnake);
if(numsnake < N) {
printf("Error: snake does not fit\n");
exit(1);
}
snakeid.resize(N);
for(int i=0; i<N; i++) snakeid[i] = -1;
organize();
disable_snake();
for(int i=0; i<N; i++) {
int ii = i;
vertexdata& vd = vdata[ii];
vd.cp = colorpair(dftcolor);
createViz(ii, sag::snakecells[sag::snakeid[i]], Id);
}
storeall();
}
int readArgs() {
#if CAP_COMMANDLINE
using namespace arg;
if(0) ;
else if(argis("-sagmin")) {
shift_arg_formula(default_edgetype.visible_from);
default_edgetype.visible_from_hi = default_edgetype.visible_from;
default_edgetype.visible_from_help = default_edgetype.visible_from;
}
else if(argis("-sagminhi")) {
shift_arg_formula(default_edgetype.visible_from_hi);
}
else if(argis("-sagminhelp")) {
shift_arg_formula(default_edgetype.visible_from_help);
}
// (1) configure edge weights
else if(argis("-edgepower")) {
shift_arg_formula(sag::edgepower);
shift_arg_formula(sag::edgemul);
}
// (1) configure temperature (high, low)
else if(argis("-sagtemp")) {
shift(); sag::hightemp = argi();
shift(); sag::lowtemp = argi();
}
// (2) read the edge data
else if(argis("-sagpar")) {
PHASE(3);
shift();
sag::sagpar = argi();
}
else if(argis("-sag")) {
PHASE(3);
shift(); sag::read(args());
}
else if(argis("-saghubs")) {
println(hlog, "HUBS");
PHASE(3);
shift_arg_formula(sag::hub_penalty);
shift(); hub_filename = args();
}
// (3) load the initial positioning
else if(argis("-gload")) {
PHASE(3); shift(); sag::loadsnake(args());
}
// (4) perform simulated annealing: -fullsa <time in seconds>
else if(argis("-fullsa")) {
shift(); sag::dofullsa(argi());
}
// (5) save the positioning
else if(argis("-gsave")) {
PHASE(3); shift(); sag::savesnake(args());
}
// (6) output loglikelihood
else if(argis("-lik")) {
sag::loglik();
}
else return 1;
#endif
return 0;
}
bool turn(int delta) {
return false;
// shmup::pc[0]->rebase();
}
string cname() {
if(euclid) return "coord-6.txt";
if(PURE) return "coord-7.txt";
return "coord-67.txt";
}
int ah = addHook(hooks_args, 100, readArgs)
+ addHook_rvslides(120, [] (string s, vector<tour::slide>& v) {
if(s != "data") return;
using namespace pres;
string sagf = "SAG/";
v.push_back(
slide{sagf+"Roguelikes", 63, LEGAL::UNLIMITED | QUICKGEO,
"A visualization of roguelikes, based on discussion on /r/reddit. "
"See: http://www.roguetemple.com/z/hyper/reddit.php",
roguevizslide('0', [] () {
rogueviz::dftcolor = 0x282828FF;
rogueviz::showlabels = true;
part(rogueviz::default_edgetype.color, 0) = 181;
rogueviz::sag::edgepower = 1;
rogueviz::sag::edgemul = 1;
gmatrix.clear();
drawthemap();
gmatrix0 = gmatrix;
rogueviz::sag::read(RVPATH "roguelikes/edges.csv");
rogueviz::readcolor(RVPATH "roguelikes/color.csv");
rogueviz::sag::loadsnake(RVPATH "roguelikes/" + cname());
})
}
);
v.push_back(slide {sagf+"Programming languages of GitHub", 64, LEGAL::UNLIMITED | QUICKGEO,
"A visualization of programming languages.",
roguevizslide('0', [] () {
rogueviz::dftcolor = 0x282828FF;
rogueviz::showlabels = true;
part(rogueviz::default_edgetype.color, 0) = 128;
rogueviz::sag::edgepower = .4;
rogueviz::sag::edgemul = .02;
gmatrix.clear();
drawthemap();
gmatrix0 = gmatrix;
rogueviz::sag::read(RVPATH "lang/edges.csv");
rogueviz::readcolor(RVPATH "lang/color.csv");
rogueviz::sag::loadsnake(RVPATH "lang/" + cname());
if(euclid) rogueviz::legend.clear();
})
});
v.push_back(slide {sagf+"Boardgames", 62, LEGAL::UNLIMITED | QUICKGEO,
"A visualization of board games, based on discussions on Reddit.",
roguevizslide('0', [] () {
rogueviz::dftcolor = 0x282828FF;
rogueviz::showlabels = true;
part(rogueviz::default_edgetype.color, 0) = 157;
rogueviz::sag::edgepower = 1;
rogueviz::sag::edgemul = 1;
gmatrix.clear();
drawthemap();
gmatrix0 = gmatrix;
rogueviz::sag::read(RVPATH "boardgames/edges.csv");
rogueviz::readcolor(RVPATH "boardgames/color.csv");
rogueviz::sag::loadsnake(RVPATH "boardgames/" + cname());
})
});
});
EX }
}
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