mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-27 14:37:16 +00:00
606 lines
16 KiB
C++
606 lines
16 KiB
C++
// Banach-Tarski animation in RogueViz.
|
|
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
|
|
|
|
// good parameters: -fixx 10 -W Cros -bantar_anim
|
|
// use -bantar_map to see how it works
|
|
|
|
#include "rogueviz.h"
|
|
|
|
namespace rogueviz { namespace banachtarski {
|
|
|
|
bool on;
|
|
|
|
typedef vector<int> cwpath;
|
|
|
|
cwpath invertpath(cwpath p) {
|
|
cwpath res;
|
|
for(int i=0; i<isize(p); i++)
|
|
res.push_back(-p[isize(p)-1-i]);
|
|
return res;
|
|
}
|
|
|
|
array<cwpath, 4> gens;
|
|
|
|
cellwalker bttargets[4];
|
|
|
|
cellwalker trace(cellwalker cw, cwpath& p) {
|
|
for(int i: p) if(i == 0) cw += wstep; else cw += i;
|
|
return cw;
|
|
}
|
|
|
|
set<cell*> testlist;
|
|
|
|
map<cell*, cell*> parent;
|
|
|
|
bool test_uniq(cellwalker cw, int z, int lev, cell *par) {
|
|
if(testlist.count(cw.at)) return false;
|
|
testlist.insert(cw.at);
|
|
if(par) parent[cw.at] = par;
|
|
if(celldist(cw.at) > 9) return true;
|
|
|
|
/* if(cw.at->wall == waSea) {
|
|
printf("test_uniq failed\n");
|
|
cw.at->wall = waEternalFire;
|
|
}
|
|
cw.at->wall = waSea; */
|
|
if(lev) for(int y=0; y<4; y++) if(y != z)
|
|
if(!test_uniq(trace(cw, gens[y]), y^2, lev-1, cw.at))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
template<class T> void recursively(cell *c, cell *c1, const T& t) {
|
|
t(c);
|
|
for(int i=0; i<c->type; i++)
|
|
if(c->move(i) && c->c.spin(i) == 0 && c->move(i) != c1)
|
|
recursively(c->move(i), c, t);
|
|
}
|
|
|
|
vector<cell*> allcells;
|
|
|
|
set<cell*> seen;
|
|
|
|
struct cellinfo {
|
|
cell *c;
|
|
int gid;
|
|
int spdist;
|
|
eWall w;
|
|
eItem it;
|
|
eLand land;
|
|
eMonster mo;
|
|
vector<int> way;
|
|
cwpath pinv;
|
|
};
|
|
|
|
map<cell*, cellinfo> infos;
|
|
|
|
int cidd = 0;
|
|
|
|
int more = 5;
|
|
|
|
void debugpath(vector<int>& way, cwpath& pinv) {
|
|
printf("pinv:"); for(int i: pinv) printf(" %d", i); printf("\n");
|
|
|
|
cellwalker cw = cwt;
|
|
|
|
cellwalker last_cw = cw;
|
|
int lastd = 0;
|
|
|
|
printf("way:"); for(int i: way) {
|
|
cellwalker cw2 = trace(cw, pinv);
|
|
printf(" [%d]", lastd = celldist(cw2.at));
|
|
printf(" %d", i);
|
|
last_cw = cw;
|
|
cw = trace(cw, gens[i]);
|
|
}
|
|
|
|
cellwalker cw2 = trace(cw, pinv);
|
|
int curd;
|
|
printf(" [%d]", curd = celldist(cw2.at));
|
|
printf("\n");
|
|
|
|
if(lastd == 10 && curd == 2) {
|
|
int b = way.back();
|
|
way.pop_back();
|
|
printf("CW:"); for(int w: way) for(int wp: gens[w]) printf(" %d", wp);
|
|
printf(" {");
|
|
for(int wp: gens[b]) printf(" %d", wp);
|
|
printf(" }");
|
|
for(int i: pinv) printf(" %d", i);
|
|
way.push_back(b);
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
|
|
void recursive_paint(cwpath& pinv, vector<int>& way, int noway) {
|
|
cellwalker cw = cwt;
|
|
for(int i: way) cw = trace(cw, gens[i]);
|
|
cw = trace(cw, pinv);
|
|
cell *c = cw.at;
|
|
|
|
/* if(cidd == 1 && way == vector<int>{1,2,3})
|
|
c->item = itPirate; */
|
|
|
|
if(seen.count(c)) {
|
|
printf("seen error [%d]\n", celldist(c));
|
|
debugpath(way, pinv);
|
|
debugpath(infos[c].way, infos[c].pinv);
|
|
return;
|
|
}
|
|
seen.insert(c);
|
|
|
|
int hsh = 7;
|
|
for(int w: way) hsh = 11301 * hsh + w * 37121;
|
|
|
|
bool all0 = true;
|
|
for(int w: way) if(w) all0 = false;
|
|
|
|
int gid;
|
|
|
|
/* if(d)
|
|
c->landparam = 0x202020;
|
|
else */
|
|
if(all0 || way[0] == 2)
|
|
gid = 0;
|
|
else if(way[0] == 0)
|
|
gid = 1;
|
|
else if(way[0] == 1)
|
|
gid = 2;
|
|
else if(way[0] == 3)
|
|
gid = 3;
|
|
else
|
|
gid = 3;
|
|
|
|
infos[c] = cellinfo{c, gid, 0, waNone, itNone, laNone, moNone, way, pinv};
|
|
|
|
// c->landparam ^= ((isize(way)&1) * 0x3F3F3F);
|
|
// c->landparam = hsh; // d * 5 + 256 * (hsh&0xFFFF) + 0x400000;
|
|
if(cidd>112899) c->landparam = 0x101010;
|
|
// c->landparam = cidd * 0x1241C3;
|
|
|
|
if(celldist(c) <= 11+more) for(int i=0; i<4; i++) if(i != noway) {
|
|
vector<int> newway = {i};
|
|
for(int ii: way) newway.push_back(ii);
|
|
recursive_paint(pinv, newway, i^2);
|
|
}
|
|
}
|
|
|
|
bool once = true;
|
|
|
|
cwpath path_to(cell *c, int dir = 0) {
|
|
cwpath p;
|
|
cellwalker cw(c, dir);
|
|
while(cw != cwt) {
|
|
if(celldist((cw+wstep).at) < celldist(cw.at))
|
|
p.push_back(0), cw += wstep;
|
|
else {
|
|
if(p.size() && p.back()) p.back()++;
|
|
else p.push_back(1);
|
|
cw += 1;
|
|
}
|
|
}
|
|
return p;
|
|
}
|
|
|
|
void bantar_note(cell *c) {
|
|
if(seen.count(c)) return;
|
|
|
|
cwpath pinv = invertpath(path_to(c));
|
|
|
|
vector<int> way;
|
|
recursive_paint(pinv, way, 4);
|
|
cidd++;
|
|
}
|
|
|
|
using bantar_config = pair<cell*, cell*>;
|
|
|
|
tuple<ld,bool,ld> quality(bantar_config cp) {
|
|
shiftpoint h1 = tC0(ggmatrix(cp.first));
|
|
shiftpoint h2 = tC0(ggmatrix(cp.second));
|
|
return make_tuple(hdist0(h1) * hdist0(h2), h2[1] > 0, abs(h2[0] / h2[1]));
|
|
}
|
|
|
|
int notry = 0;
|
|
|
|
void bantar() {
|
|
if(!on) return;
|
|
cwt = cellwalker(currentmap->gamestart(), 0);
|
|
centerover = cwt.at;
|
|
infos.clear();
|
|
|
|
vector<bantar_config> genchoices;
|
|
|
|
int lnotry = notry;
|
|
|
|
{
|
|
celllister clgen(cwt.at, 4, 1000000, NULL);
|
|
for(cell *c1: clgen.lst) if(c1->type == S7)
|
|
for(cell *c2: clgen.lst) if(c2->type == S7)
|
|
genchoices.emplace_back(c1, c2);
|
|
stable_sort(genchoices.begin(), genchoices.end(), [] (const bantar_config b1, const bantar_config b2) { return quality(b1) < quality(b2); });
|
|
|
|
for(bantar_config bc: genchoices) {
|
|
if(get<0>(quality(bc)) >= 4) exit(1);
|
|
for(int i=0; i<S7; i++)
|
|
for(int j=0; j<S7; j++) {
|
|
gens[0] = path_to(bc.first, i);
|
|
gens[1] = path_to(bc.second, j);
|
|
gens[2] = invertpath(gens[0]);
|
|
gens[3] = invertpath(gens[1]);
|
|
testlist.clear();
|
|
parent.clear();
|
|
bool tres = test_uniq(cwt, -1, 15, NULL);
|
|
auto q = quality(bc);
|
|
if(tres) {
|
|
DEBB(DF_LOG, ("gens = ", gens));
|
|
DEBB(DF_LOG, ("testing quality ", q, " ", make_pair(celldist(bc.first), celldist(bc.second)), ", result = ", tres));
|
|
lnotry--; if(lnotry <= 0) goto picked;
|
|
}
|
|
// if(tres) goto picked;
|
|
}
|
|
}
|
|
}
|
|
picked:
|
|
|
|
/*
|
|
if(S7 == 8) {
|
|
gens[1] = {0,4,0,4};
|
|
gens[0] = {2,0,2};
|
|
}
|
|
else {
|
|
gens[0] = {0,4,0,4};
|
|
gens[1] = {2,0,4,0,2};
|
|
}
|
|
gens[2] = invertpath(gens[0]);
|
|
gens[3] = invertpath(gens[1]);
|
|
*/
|
|
|
|
for(int i=0; i<4; i++) bttargets[i] = trace(cwt, gens[i]);
|
|
|
|
celllister cl(cwt.at, 8+more, 1000000, NULL);
|
|
// recursively(cwt.at, NULL, [] (cell *c) { allcells.push_back(c); } );
|
|
for(cell* c: cl.lst) bantar_note(c);
|
|
|
|
for(cell *c: cl.lst) if(infos.count(c) && infos[c].gid == 0)
|
|
forCellEx(c2, c) if(infos.count(c2) && infos[c2].gid != 0)
|
|
c->bardir = NOBARRIERS;
|
|
|
|
for(int it=0; it<ittypes; it++) if(itemclass(eItem(it)) == IC_TREASURE)
|
|
items[it] = 200;
|
|
}
|
|
|
|
vector<int> spdist;
|
|
|
|
int curpart;
|
|
|
|
/* bool hidebad(cell *c, const transmatrix& V) {
|
|
if(c->wparam != curpart && curpart < 4) return true;
|
|
return false;
|
|
} */
|
|
|
|
heptspin cth(cellwalker cw) {
|
|
return heptspin(cw.at->master, cw.spin, cw.mirrored);
|
|
}
|
|
|
|
ld alphaof(hyperpoint h) {
|
|
return atan2(h[1], h[0]);
|
|
}
|
|
|
|
#define ForInfos for(auto& cci: infos)
|
|
|
|
void bantar_frame() {
|
|
|
|
ForInfos
|
|
cci.second.w = cci.second.c->wall,
|
|
cci.second.it = cci.second.c->item,
|
|
cci.second.mo = cci.second.c->monst,
|
|
cci.second.land = cci.second.c->land,
|
|
cci.second.c->wparam = cci.second.gid;
|
|
|
|
calcparam();
|
|
|
|
vector<unique_ptr<drawqueueitem>> subscr[4];
|
|
|
|
compute_graphical_distance();
|
|
|
|
const int tmax = 2000;
|
|
int t = ticks % (5*tmax);
|
|
int tphase = t / tmax, tsub = t % tmax;
|
|
ld xdst, ydst;
|
|
|
|
for(int i=0; i<4; i++) {
|
|
|
|
ptds.clear();
|
|
|
|
cellwalker xcw;
|
|
ld part = 1;
|
|
if(i == 1) xcw = bttargets[0];
|
|
else if(i == 2) xcw = bttargets[1], part = .5;
|
|
else if(i == 3) xcw = bttargets[3], part = .5;
|
|
else xcw = cwt;
|
|
|
|
View = Id;
|
|
|
|
transmatrix tView = actualV(cth(xcw), Id) * calc_relative_matrix(cwt.at, xcw.at, C0) * inverse(actualV(cth(cwt), Id));
|
|
|
|
if(tphase < 2) part = 0;
|
|
else if(tphase == 2)
|
|
part = part * tsub / tmax;
|
|
|
|
transmatrix itView = inverse(tView);
|
|
transmatrix z = rspintox(itView*C0) * xpush(hdist0(itView*C0) * part) * spintox(itView*C0);
|
|
transmatrix ful = rspintox(itView*C0) * xpush(hdist0(itView*C0) * tmax / tmax) * spintox(itView*C0); // rgpushxto0(itView*C0);
|
|
hyperpoint C1 = xpush0(1);
|
|
ld bof = alphaof(tView * ful * C1);
|
|
z = z * spin(bof * part);
|
|
View = inverse(z);
|
|
|
|
if(tphase == 0 && tsub > tmax/2) {
|
|
ld alpha = rand() % 10;
|
|
ld d = (rand() % 1000) / 20000. * (tsub-tmax/2) / (tmax/2);
|
|
View = spin(alpha) * xpush(d) * spin(-alpha);
|
|
}
|
|
|
|
/* int phasemask = 3;
|
|
if(tphase == 0) phasemask = 0;
|
|
if(tphase == 4) phasemask = 2; */
|
|
|
|
ForInfos if(cci.second.gid == i)
|
|
cci.second.c->wall = cci.second.w,
|
|
cci.second.c->item = cci.second.it,
|
|
cci.second.c->monst = cci.second.mo,
|
|
cci.second.c->land = cci.second.land;
|
|
else
|
|
cci.second.c->wall = waInvisibleFloor,
|
|
cci.second.c->item = itNone,
|
|
cci.second.c->monst = moNone,
|
|
cci.second.c->land = laNone;
|
|
|
|
mapeditor::drawplayer = cwt.at->wparam == i;
|
|
|
|
switch(tphase) {
|
|
case 0:
|
|
xdst = ydst = 0;
|
|
curpart = 4;
|
|
break;
|
|
case 1:
|
|
xdst = ydst = .5 * tsub / tmax;
|
|
break;
|
|
case 2:
|
|
xdst = ydst = .5;
|
|
break;
|
|
case 3:
|
|
xdst = .5, ydst = .5 * (tmax-tsub) / tmax;
|
|
break;
|
|
case 4:
|
|
xdst = .5, ydst = 0;
|
|
break;
|
|
default:
|
|
xdst = ydst = 0;
|
|
}
|
|
|
|
/* ld xpos = (!(i&2)) ? xdst : -xdst;
|
|
ld ypos = (!(i&1)) ? ydst : -ydst; */
|
|
|
|
gmatrix.clear();
|
|
|
|
drawthemap();
|
|
if(0) for(auto p: parent) if(gmatrix.count(p.first) && gmatrix.count(p.second) && infos[p.first].gid == i && infos[p.second].gid == i)
|
|
queueline(tC0(gmatrix[p.first]), tC0(gmatrix[p.second]), 0xFFFFFFFF, 2);
|
|
subscr[i] = move(ptds);
|
|
}
|
|
|
|
map<int, map<int, vector<unique_ptr<drawqueueitem>>>> xptds;
|
|
for(int i=0; i<4; i++) for(auto& p: subscr[i])
|
|
xptds[int(p->prio)][i].push_back(move(p));
|
|
|
|
for(auto& sm: xptds) for(auto& sm2: sm.second) {
|
|
int i = sm2.first;
|
|
ptds.clear();
|
|
for(auto& p: sm2.second) ptds.push_back(move(p));
|
|
|
|
pconf.scale = .5;
|
|
pconf.xposition = (!(i&2)) ? xdst : -xdst;
|
|
pconf.yposition = (!(i&1)) ? ydst : -ydst;
|
|
calcparam();
|
|
drawqueue();
|
|
}
|
|
|
|
ForInfos
|
|
cci.second.c->wall = cci.second.w,
|
|
cci.second.c->item = cci.second.it,
|
|
cci.second.c->monst = cci.second.mo,
|
|
cci.second.c->land = cci.second.land;
|
|
|
|
ptds.clear();
|
|
}
|
|
|
|
void bantar_anim() {
|
|
|
|
vid.aurastr = 0;
|
|
bool breakanim = false;
|
|
int t = SDL_GetTicks();
|
|
drawthemap();
|
|
while(!breakanim) {
|
|
ticks = SDL_GetTicks() - t;
|
|
|
|
pushScreen(bantar_frame);
|
|
drawscreen();
|
|
popScreen();
|
|
|
|
SDL_Event ev;
|
|
while(SDL_PollEvent(&ev))
|
|
if(ev.type == SDL_KEYDOWN || ev.type == SDL_MOUSEBUTTONDOWN)
|
|
breakanim = true;
|
|
}
|
|
mapeditor::drawplayer = true;
|
|
pconf.xposition = pconf.yposition = 0;
|
|
pconf.scale = 1;
|
|
}
|
|
|
|
bool bmap;
|
|
|
|
void bantar_stats() {
|
|
if(bmap) {
|
|
vid.linewidth *= (inHighQual ? 10 : 2);
|
|
for(auto p: parent) if(gmatrix.count(p.first) && gmatrix.count(p.second))
|
|
queueline(tC0(gmatrix[p.first]), tC0(gmatrix[p.second]), 0x00FF00FF, 4);
|
|
|
|
double x = cgi.hexvdist;
|
|
for(auto gm: gmatrix) for(cell *c: {gm.first})
|
|
if(euclid || !pseudohept(c)) for(int t=0; t<c->type; t++) if(infos.count(c) && infos.count(c->move(t)) && c->move(t) && infos[c].gid != infos[c->move(t)].gid)
|
|
if(euclid ? c->move(t)<c : (((t^1)&1) || c->move(t) < c))
|
|
queueline(gm.second * ddspin(c,t,-M_PI/S6) * xpush(x) * C0,
|
|
gm.second * ddspin(c,t,+M_PI/S6) * xpush(x) * C0,
|
|
0xFF0000FF, 1);
|
|
vid.linewidth /= (inHighQual ? 10 : 2);
|
|
drawqueue();
|
|
}
|
|
}
|
|
|
|
void init_bantar() {
|
|
if(!on) {
|
|
stop_game();
|
|
on = true;
|
|
start_game();
|
|
}
|
|
}
|
|
|
|
void init_bantar_map() {
|
|
bmap = true;
|
|
ForInfos {
|
|
int hsh = 0x202047;
|
|
for(int w: cci.second.way) hsh = (11301 * hsh + w * 37121) & 0x7F7F7F;
|
|
cci.second.c->landparam = hsh;
|
|
cci.second.c->land = laCanvas;
|
|
cci.second.c->wall = waNone;
|
|
cci.second.c->item = itNone;
|
|
cci.second.c->monst = moNone;
|
|
}
|
|
}
|
|
|
|
// see: https://twitter.com/ZenoRogue/status/1001127253747658752
|
|
// see also: https://twitter.com/ZenoRogue/status/1000043540985057280 (older version)
|
|
|
|
void bantar_record() {
|
|
int TSIZE = rug::texturesize; // recommended 2048
|
|
resetbuffer rb;
|
|
renderbuffer rbuf(TSIZE, TSIZE, true);
|
|
|
|
int fr = 0;
|
|
|
|
for(int i=0; i < 10000; i += 33) {
|
|
if(i % 1000 == 999) i++;
|
|
ticks = i;
|
|
|
|
rbuf.enable();
|
|
vid.xres = vid.yres = TSIZE;
|
|
banachtarski::bantar_frame();
|
|
|
|
IMAGESAVE(rbuf.render(), ("bantar/" + format("%05d", fr) + IMAGEEXT).c_str());
|
|
printf("GL %5d/%5d\n", i, 10000);
|
|
fr++;
|
|
}
|
|
|
|
rb.reset();
|
|
}
|
|
|
|
int readArgs() {
|
|
using namespace arg;
|
|
|
|
if(0) ;
|
|
else if(argis("-bantar_anim")) {
|
|
PHASE(3);
|
|
init_bantar();
|
|
peace::on = true;
|
|
airmap.clear();
|
|
ForInfos if(cci.second.c->monst == moAirElemental)
|
|
cci.second.c->monst = moFireElemental;
|
|
bantar_anim();
|
|
}
|
|
else if(argis("-bantar_test")) {
|
|
PHASE(3);
|
|
init_bantar();
|
|
peace::on = true;
|
|
airmap.clear();
|
|
ForInfos if(cci.second.c->monst == moAirElemental)
|
|
cci.second.c->monst = moFireElemental;
|
|
ForInfos if(cci.second.gid != 2)
|
|
cci.second.c->wall = waInvisibleFloor,
|
|
cci.second.c->item = itNone,
|
|
cci.second.c->monst = moNone,
|
|
cci.second.c->land = laNone;
|
|
airmap.clear();
|
|
havewhat = 0;
|
|
}
|
|
else if(argis("-bantar_map")) {
|
|
init_bantar();
|
|
init_bantar_map();
|
|
}
|
|
else if(argis("-btry")) {
|
|
shift(); notry = argi();
|
|
}
|
|
else if(argis("-bantar_record")) {
|
|
using namespace banachtarski;
|
|
PHASE(3);
|
|
peace::on = true;
|
|
airmap.clear();
|
|
ForInfos if(cci.second.c->monst == moAirElemental)
|
|
cci.second.c->monst = moFireElemental;
|
|
bantar_record();
|
|
}
|
|
else return 1;
|
|
return 0;
|
|
}
|
|
|
|
auto hook = addHook(hooks_args, 100, readArgs)
|
|
+ addHook(hooks_initgame, 100, bantar)
|
|
+ addHook(hooks_frame, 100, bantar_stats)
|
|
+ addHook_rvslides(140, [] (string s, vector<tour::slide>& v) {
|
|
if(s != "mixed") return;
|
|
using namespace pres;
|
|
v.push_back(
|
|
tour::slide{"Banach-Tarski-like", 62, LEGAL::NONE,
|
|
"Banach-Tarski-like decomposition. Break a hyperbolic plane into two hyperbolic planes.\n\n"
|
|
"Press '5' to show the decomposition. Press any key to stop.\n\n"
|
|
"You will see a map of the decomposition. Press '5' again to return.",
|
|
|
|
[] (presmode mode) {
|
|
slidecommand = "Banach-Tarski switch";
|
|
slide_url(mode, 't', "Twitter link", "https://twitter.com/ZenoRogue/status/1001127253747658752");
|
|
|
|
if(mode == 3) {
|
|
while(gamestack::pushed()) stop_game(), gamestack::pop();
|
|
banachtarski::bmap = false;
|
|
banachtarski::on = false;
|
|
}
|
|
if(mode == 4) {
|
|
if(!banachtarski::on) {
|
|
bool b = mapeditor::drawplayer;
|
|
specialland = cwt.at->land;
|
|
gamestack::push();
|
|
banachtarski::init_bantar();
|
|
airmap.clear();
|
|
dynamicval<int> vs(sightrange_bonus, 3);
|
|
dynamicval<int> vg(genrange_bonus, 3);
|
|
doOvergenerate();
|
|
banachtarski::bantar_anim();
|
|
quitmainloop = false;
|
|
mapeditor::drawplayer = b;
|
|
banachtarski::init_bantar_map();
|
|
resetview();
|
|
}
|
|
else if(banachtarski::on && banachtarski::bmap) {
|
|
banachtarski::bmap = false;
|
|
banachtarski::on = false;
|
|
gamestack::pop();
|
|
}
|
|
}
|
|
}}
|
|
);
|
|
});
|
|
|
|
}}
|