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106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
// this generates data for Klein's Quartic (-geo 0 -quartic) and Bolza surface (in -geo 7 -quartic) and 2x Bolza (-geo7 -quartic2)
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// Copyright (C) 2018 Zeno Rogue, see 'hyper.cpp' for details
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#include "../init.cpp"
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using namespace hr;
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int qty;
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namespace hr {
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cellwalker& operator += (cellwalker& cw, int spin);
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cellwalker& operator += (cellwalker& cw, wstep_t);
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}
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void recursive(cell *c, int col, int dir, int dbl) {
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c->landparam = col;
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c->mondir = dir;
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c->monst = moButterfly;
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if(S7 == 7) {
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for(int i=0; i<7; i++) {
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for(int j=3; j<5; j++) {
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cellwalker cw(c, dir + i);
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for(int u=0; u<4; u++) {
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cw += wstep;
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cw += j;
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}
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cw += -dir;
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if(cw.c->landparam == -1) recursive(cw.c, col^dbl, dir, dbl);
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}
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}
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}
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if(S7 == 8) {
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for(int i=0; i<8; i++) {
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cellwalker cw(c, dir);
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cw += i;
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cw += wstep;
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cw += 4;
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cw += wstep;
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cw += (4-i);
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// if(cw.c->landparam == -1) recursive(cw.c, (col ^ 1));
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if(cw.c->landparam == -1) recursive(cw.c, col ^ dbl, cw.spin, dbl);
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}
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}
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}
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void generate_quartic(bool dbl) {
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celllister clgen(cwt.c, S7==7?10:8, 1000000, NULL);
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int d;
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for(cell *c1: clgen.lst) { c1->landparam = -1; d = celldist(c1); }
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for(cell *c1: clgen.lst) if(c1->landparam == -1) {
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recursive(c1, qty, 0, dbl);
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qty++;
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if(dbl) qty++;
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}
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vector<unsigned> colors;
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for(cell *c1: clgen.lst) {
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if(celldist(c1) >= d-1) continue;
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if(c1->mov[c1->mondir]->landparam > c1->mov[c1->mondir ^ 4]->landparam)
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c1->mondir ^= 4;
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}
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if(0) for(cell *c1: clgen.lst) {
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if(celldist(c1) >= d-2) continue;
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vector<int> connections;
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cellwalker cw(c1, c1->mondir);
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for(int i=0; i<S7; i++) {
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cellwalker cwx = cw; cwx += wstep;
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connections.push_back(cwx.c->landparam * S7 + (cwx.spin - cwx.c->mondir + MODFIXER) % S7);
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cw += 1;
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}
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printf("/* %03d */", c1->landparam);
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for(int i=0; i<S7; i++) printf(" %d,", connections[i]);
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printf("\n");
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}
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printf("qty = %d\n", qty);
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for(int i=0; i<qty; i++) colors.push_back(hrand(0x1000000));
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for(cell *c1: clgen.lst) {
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c1->landparam = colors[c1->landparam % qty];
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}
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}
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int readArgs() {
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using namespace arg;
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if(0) ;
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else if(argis("-quartic")) {
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PHASE(3);
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start_game();
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generate_quartic(0);
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}
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else if(argis("-quartic2")) {
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PHASE(3);
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start_game();
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generate_quartic(1);
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}
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else return 1;
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return 0;
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}
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auto hook = addHook(hooks_args, 100, readArgs);
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// Bolza:: genus 2 => Euler characteristic -2
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// octagon: -2/6
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// ~> 6 octagons
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