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rogueviz:: added hyperbolic-analogs
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Zeno Rogue
parent
4e3890a570
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b952d03277
424
rogueviz/hyperbolic-analogs.cpp
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424
rogueviz/hyperbolic-analogs.cpp
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@ -0,0 +1,424 @@
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#include "rogueviz.h"
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// used in: https://www.youtube.com/watch?v=H7NKhKTjHVE&feature=youtu.be
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// run: -analogs
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namespace hr {
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namespace analogs {
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patterns::ePattern wp;
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flagtype wpf;
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texture::texture_data earth;
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bool loaded;
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bool textured = true;
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basic_textureinfo tv;
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int earthpart;
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string spherename = "A";
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string hypername = "B";
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vector<reaction_t> models_to_use = {
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[] {
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if(sphere) {
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pmodel = mdDisk;
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pconf.alpha = 1000;
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pconf.scale *= pconf.alpha;
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View = cspin(1, 2, 20 * degree) * View;
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}
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else {
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pmodel = mdHyperboloid;
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pconf.top_z = 4;
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pconf.ballangle = -20;
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pconf.scale = .75;
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}
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spherename = "Euclidean sphere";
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hypername = "Minkowski hyperboloid";
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},
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[] {
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pmodel = mdDisk;
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pconf.alpha = 1;
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pconf.scale = .9;
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spherename = "stereographic projection";
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if(sphere) pconf.scale *= .75;
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hypername = "Poincaré disk model";
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},
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[] {
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pmodel = mdDisk;
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pconf.alpha = 0;
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pconf.scale = sphere ? 0.25 : .9;
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spherename = "gnomonic projection";
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hypername = "Beltrami-Klein disk model";
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},
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[] {
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pmodel = mdDisk;
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pconf.alpha = 1000;
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pconf.scale *= pconf.alpha;
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if(hyperbolic) pconf.scale *= .25;
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spherename = "orthographic projection";
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hypername = "Gans model";
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},
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[] {
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pmodel = mdEquidistant;
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spherename = "azimuthal equidistant";
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},
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[] {
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pmodel = mdEquiarea;
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spherename = "azimuthal equi-area";
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},
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[] {
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pmodel = mdBandEquidistant;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "equirectangular projection";
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hypername = "Lobachevsky coordinates";
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},
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[] {
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pmodel = mdBand;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 0.9;
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spherename = "Mercator projection";
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hypername = "band model";
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},
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[] {
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pmodel = mdBandEquiarea;
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pconf.scale = .5;
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pconf.stretch = M_PI;
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spherename = "cylindrical equal-area";
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},
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[] {
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pmodel = mdCentralCyl;
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pconf.scale = .5;
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spherename = "central cylindrical";
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},
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[] {
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pmodel = mdGallStereographic;
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pconf.scale = .5;
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pconf.scale *= 1.8;
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spherename = "Gall stereographic";
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},
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[] {
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pmodel = mdMiller;
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pconf.scale = .5;
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spherename = "Miller cylindrical";
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},
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[] {
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pmodel = mdLoximuthal;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "loximuthal projection";
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pconf.loximuthal_parameter = 15 * degree;
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},
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[] {
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pmodel = mdSinusoidal;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 1.5;
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spherename = "(co)sinusoidal projection";
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},
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[] {
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pmodel = mdMollweide;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "Mollweide projection";
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},
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[] {
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pmodel = mdCollignon;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "Collignon projection";
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},
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[] {
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pmodel = mdTwoPoint;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "two-point equidistant";
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},
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[] {
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pmodel = mdSimulatedPerspective;
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pconf.scale = .5;
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spherename = "two-point azimuthal";
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},
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[] {
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pmodel = mdAitoff;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "Aitoff projection";
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},
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[] {
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pmodel = mdHammer;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 1.3;
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spherename = "Hammer projection";
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},
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[] {
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pmodel = mdWinkelTripel;
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pconf.scale = .5;
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if(sphere) pconf.scale *= 2;
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spherename = "Winkel tripel projection";
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},
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[] {
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pmodel = mdWerner;
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pconf.scale = .3;
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spherename = "Werner projection";
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},
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};
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ld prec = 5;
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void draw_earth() {
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if(textured && !loaded) {
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earth.twidth = earth.theight = 0; earth.stretched = true;
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// earth.readtexture("extra/to-earth.png");
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earth.readtexture(file_exists("textures/earth.png") ? "textures/earth.png" : "textures/earth320.png");
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earth.loadTextureGL();
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loaded = true;
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}
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auto tform = [] (hyperpoint euc) {
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return xpush(euc[0] * degree) * ypush(euc[1] * degree) * C0;
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};
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if(sphere && textured) {
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shiftmatrix S = ggmatrix(currentmap->gamestart());
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tv.tvertices.clear();
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if(prec < .5) prec = 1;
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for(ld x=-180; x<180; x+=prec)
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for(ld y=-90; y<90; y+=prec) {
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vector<hyperpoint> bases = {
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point31(x, y, 0),
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point31(x+prec, y, 0),
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point31(x, y+prec, 0),
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point31(x+prec, y, 0),
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point31(x, y+prec, 0),
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point31(x+prec, y+prec, 0)
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};
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bool ok = true;
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if(pmodel == mdSimulatedPerspective) for(hyperpoint base: bases) {
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hyperpoint h = S.T * tform(base);
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if(h[2] <= 0.1) ok = false;
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}
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if(among(pmodel, mdEquidistant, mdEquiarea)) for(hyperpoint base: bases) {
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hyperpoint h = S.T * tform(base);
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if(h[2] <= -0.999) ok = false;
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}
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if(ok) for(auto base: bases) {
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hyperpoint h = base;
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hyperpoint h1 = tform(h);
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curvepoint(h1);
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hyperpoint vi = point31((h[0] + 180) / 360., (h[1] + 90) / 180., 0);
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tv.tvertices.push_back(glhr::pointtogl(vi));
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color_t col = earth.get_texture_pixel(vi[0]*earth.twidth, vi[1]*earth.theight);
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col &= 0xFFFFFF;
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addaura(S*h1, col, 0);
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}
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}
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if(isize(tv.tvertices)) {
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color_t full = 0xFFFFFFFF;
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part(full, 0) = earthpart;
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auto& poly = queuecurve(ggmatrix(currentmap->gamestart()), 0, full, PPR::LINE);
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poly.flags |= POLY_TRIANGLES;
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poly.tinf = &tv;
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poly.offset_texture = 0;
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tv.texture_id = earth.textureid;
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}
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}
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}
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bool cycle_models = false;
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bool animate = true;
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EX void compare() {
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if(!animate) return;
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centerover = cwt.at;
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spherename = "";
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hypername = "";
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ld t = ticks * 1. / anims::period;
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t = frac(t);
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if(cycle_models) {
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int mtu = isize(models_to_use);
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t *= mtu;
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if(anims::period < 100) {
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t = ticks % mtu;
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println(hlog, "t = ", t);
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}
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int index = t;
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t = frac(t);
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pconf.alpha = 1;
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pconf.scale = .9;
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pconf.stretch = 1;
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models_to_use[index]();
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}
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View = Id;
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ld t4 = t * 5;
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int at4 = t4;
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t4 -= at4;
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t4 = t4 * t4 * (3 - 2 * t4);
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earthpart = 192;
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if(at4 == 0)
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earthpart = lerp(255, earthpart, t4);
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else if(at4 == 1)
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View = spin(t4 * 180 * degree) * View;
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else if(at4 == 2)
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View = xpush(t4 * M_PI) * spin(M_PI) * View;
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else if(at4 == 3)
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View = ypush(t4 * M_PI) * xpush(M_PI) * spin(M_PI) * View;
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else if(at4 == 4) {
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View = ypush(M_PI) * xpush(M_PI) * spin(M_PI) * View;
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earthpart = lerp(255, earthpart, 1-t4);
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}
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anims::moved();
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no_find_player = true;
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vid.cells_drawn_limit = 20000;
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pconf.twopoint_param = 0.5;
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neon_nofill = true;
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if(hyperbolic && pmodel == mdWerner)
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neon_mode = eNeon::neon;
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else
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neon_mode = eNeon::none;
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vid.smart_area_based = (pmodel != mdHyperboloid);
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if(!inHighQual) {
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vid.cells_drawn_limit = 1000;
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}
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}
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EX bool ourStats() {
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draw_centerover = false;
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displayfr(10, 10 + 2 * vid.fsize, 2, vid.fsize * 2, spherename, 0xFFFFFF, 0);
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displayfr(vid.xres - 10, vid.yres - (10 + 2 * vid.fsize), 2, vid.fsize * 2, hypername, 0xFFFFFF, 16);
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nohelp = true;
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nomenukey = true;
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clearMessages();
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glflush();
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hide_hud = false;
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return true;
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}
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bool restrict_cell(cell *c, const shiftmatrix& V) {
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if(hyperbolic && zebra40(c) >= 40)
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c->landparam = 0x0080C0;
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if(hyperbolic && pmodel == mdWerner && hdist0(V.T * C0) > 3)
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return true;
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return false;
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}
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int current_index = -1;
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void choose_projection() {
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cmode = sm::SIDE | sm::MAYDARK;
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gamescreen(0);
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dialog::init(XLAT("choose projection"), 0xFFFFFFFF, 150, 0);
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for(int i=0; i<isize(models_to_use); i++) {
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hypername = "";
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if(1) {
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dynamicval<projection_configuration> vp(pconf, pconf);
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dynamicval<transmatrix> v(View, View);
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models_to_use[i]();
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}
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dialog::addBoolItem(hypername == "" ? spherename : spherename + " / " + hypername, i == current_index, 'a'+i);
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dialog::add_action([i] {
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current_index = i;
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dual::switch_to(0);
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models_to_use[i]();
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dual::switch_to(1);
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models_to_use[i]();
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});
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}
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dialog::addBack();
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dialog::display();
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}
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void show() {
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cmode = sm::SIDE | sm::MAYDARK;
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gamescreen(0);
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dialog::init(XLAT("hyperbolic analogs"), 0xFFFFFFFF, 150, 0);
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add_edit(prec);
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dialog::addItem("choose a projection", 'p');
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dialog::add_action_push(choose_projection);
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add_edit(earthpart);
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add_edit(textured);
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add_edit(animate);
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add_edit(cycle_models);
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dialog::addBack();
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dialog::display();
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}
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void enable() {
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using rogueviz::rv_hook;
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vid.linequality = 4;
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firstland = specialland = laCanvas;
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patterns::whichCanvas = 'F';
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colortables['F'][0] = 0x80C080;
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colortables['F'][1] = 0x80A080;
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pconf.scale = .3;
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vid.use_smart_range = 2;
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vid.smart_range_detail = 2;
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mapeditor::drawplayer = false;
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showstartmenu = false;
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dual::enable();
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dual::switch_to(0);
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set_geometry(gSphere);
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set_variation(eVariation::pure);
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firstland = specialland = laCanvas;
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dual::switch_to(1);
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set_geometry(gNormal);
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set_variation(eVariation::pure);
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firstland = specialland = laCanvas;
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rv_hook(hooks_frame, 100, draw_earth);
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rv_hook(hooks_drawcell, 100, restrict_cell);
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rv_hook(anims::hooks_anim, 100, compare);
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rv_hook(hooks_prestats, 100, ourStats);
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rv_hook(hooks_o_key, 80, [] (o_funcs& v) { v.push_back(named_dialog("hyperbolic analogs", show)); });
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}
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auto msc = arg::add3("-analogs", enable)
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+ addHook(hooks_configfile, 100, [] {
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param_f(prec, "analogs_precision")
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->editable(0, 30, .5, "precision", "larger values are less precise", 'p');
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param_b(animate, "analogs_animate")
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->editable("animate", 'a');
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param_b(cycle_models, "analogs_cycle")
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->editable("cycle models in the animation", 'm');
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param_i(earthpart, "earthpart")
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->editable(0, 255, 15, "Earth transparency", "", 't');
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param_b(textured, "analogs_texture")
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->editable("draw Earth", 'T');
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});
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}
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}
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@ -40,6 +40,7 @@
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#include "inner-maps.cpp"
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#include "planets.cpp"
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#include "hyperbolic-analogs.cpp"
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#include "simple-impossible.cpp"
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#include "ascending-descending.cpp"
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