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127 lines
2.8 KiB
C++
127 lines
2.8 KiB
C++
// Hyperbolic Rogue
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// Copyright (C) 2011-2016 Zeno Rogue, see 'hyper.cpp' for details
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// example commandline:
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// -spiral 2,10000 -spiraledge 0,2 -spiraledge 1,1 -lab -spiralcolor 2 FF4040FF
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#include "rogueviz.h"
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namespace rogueviz {
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namespace spiral {
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ld mul;
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transmatrix at(double d) {
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return spin(log(d) * TAU / log(mul)) * xpush(log(d));
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}
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void place(int N, ld _mul) {
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mul = _mul;
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init(RV_GRAPH | RV_HAVE_WEIGHT | RV_INVERSE_WEIGHT);
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rv_hook(hooks_alt_edges, 100, spiral_altedge);
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rv_hook(hooks_frame, 0, drawExtra);
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weight_label = "extent";
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vdata.resize(N);
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for(int i=0; i<N; i++) {
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vertexdata& vd = vdata[i];
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double d = i + 1;
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transmatrix h = at(d);
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createViz(i, cwt.at, h);
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vd.name = its(i+1);
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virtualRebase(vd.m);
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vd.cp = dftcolor;
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}
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storeall();
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}
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void edge(ld shift, ld mul) {
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int N = isize(vdata);
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auto t = add_edgetype(fts(shift)+" " + fts(mul));
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t->visible_from = 1. / (N+.5);
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for(int i=0; i<N; i++) {
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int i0 = i+1;
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int j0 = int(i0 * mul + shift) - 1;
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if(j0 >= 0 && j0 < N) addedge(i, j0, 1/(i+1), false, t);
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}
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}
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void color(ld start, ld period, colorpair c) {
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int N = isize(vdata);
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int maxw = N;
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while(start >= 0 && start < N) {
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int i = int(start);
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vdata[i].cp = c;
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start += period;
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maxw--; if(maxw <= 0) break;
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}
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}
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}
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bool spiral_altedge(edgeinfo* ei, bool store) {
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bool onspiral = abs(ei->i - ei->j) == 1;
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if(onspiral) {
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const int prec = 20;
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if(store) ei->orig = currentmap->gamestart();
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transmatrix T = ggmatrix(currentmap->gamestart());
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hyperpoint l1 = tC0(spiral::at(1+ei->i));
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if(!store) l1 = T * l1;
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for(int z=1; z<=prec; z++) {
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hyperpoint l2 = tC0(spiral::at(1+ei->i+(ei->j-ei->i) * z / (prec+.0)));
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if(!store)
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queueline(l1, T*l2, col, vid.linequality).prio = PPR::STRUCT0;
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else
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storeline(ei->prec, l1, l2);
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l1 = l2;
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}
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return true;
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}
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return false;
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}
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auto hooks =
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addHook(hooks_args, 100, [] {
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using namespace arg;
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if(argis("-spiral")) {
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PHASE(3);
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ld mul = 2;
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int N = 1000;
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shift(); sscanf(argcs(), LDF ",%d", &mul, &N);
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spiral::place(N, mul);
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return 0;
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}
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else if(argis("-spiraledge")) {
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PHASE(3);
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ld shft = 1;
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ld mul = 1;
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shift(); sscanf(argcs(), LDF "," LDF, &shft, &mul);
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spiral::edge(shft, mul);
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return 0;
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}
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else if(argis("-spiralcolor")) {
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PHASE(3);
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ld period = 1;
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ld start = 1;
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shift(); sscanf(argcs(), LDF "," LDF, &period, &start);
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start--;
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shift();
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spiral::color(start, period, parse(args()));
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return 0;
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}
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return 1;
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});
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}}
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