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https://github.com/zenorogue/hyperrogue.git
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172 lines
4.8 KiB
C++
172 lines
4.8 KiB
C++
#include "rogueviz.h"
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// 'hyperbolic city' demo
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// download the model from https://sketchfab.com/3d-models/night-city-p2-82637933a7cb4fafadb0e2a79415c438 as rogueviz/models/emilejohansson_p2.obj
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// see the results posted here:
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// https://twitter.com/ZenoRogue/status/1375750351391981570
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// -hypcity -noplayer -geo 4x5 -gp 1 1 -unrectified -switch-fpp -canvas 303030 camera=0 depth=0 -sr 3 -PM 0 -alpha 1 -zoom .95
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// https://twitter.com/ZenoRogue/status/1375748835046215682
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// -hypcity -noplayer -geo nil -canvas 303030 -back 44e4 -sight3 3
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// https://twitter.com/ZenoRogue/status/1375754422752575488
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// add -PM 0 -alpha 1
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namespace hr {
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#if CAP_MODELS
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namespace hypcity {
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using namespace rogueviz::objmodels;
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void prepare_tf();
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struct citymodel : model {
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citymodel() : model("rogueviz/models/", "emilejohansson_p2.obj") {}
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hyperpoint low, high;
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ld t;
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void prepare() override {
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for(int i=0; i<4; i++) low[i] = 100, high[i] = -100;
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cgi.require_basics();
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hyperpoint corner = get_corner_position(cwt.at, 0);
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t = abs(corner[0] / corner[3]);
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}
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hyperpoint transform(hyperpoint h) override {
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swap(h[1], h[2]);
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h[2] = -h[2];
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h[2] += 0.063;
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h[0] -= 0.063;
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h[1] += 0.063;
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h *= 6;
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// h[0] -= .5;
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// h[1] += .5;
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for(int i=0; i<4; i++)
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low[i] = min(low[i], h[i]),
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high[i] = max(high[i], h[i]);
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if(hyperbolic || sphere) {
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hyperpoint hx;
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hx[0] = h[0] * t * 2;
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hx[1] = h[1] * t * 2;
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hx[2] = 0;
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hx[3] = 1;
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if(hyperbolic) hx = spin(45._deg) * hx;
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hx = normalize(hx);
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hx = orthogonal_move(hx, h[2]*(t*(sphere ? 3 : 7)));
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return hx;
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}
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if(nil || sol) {
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if(nil) swap(h[1], h[2]);
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h *= 0.5 / 0.378;
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if(sol) h *= vid.binary_width;
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if(nil) h *= nilv::nilwidth;
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h[3] = 1;
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return h;
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}
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return h;
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}
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void postprocess() override {
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println(hlog, "low = ", low);
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println(hlog, "high = ", high);
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}
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};
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citymodel city;
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bool draw_city_at(cell *c, const shiftmatrix& V) {
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if(nil) {
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auto co = nilv::get_coord(c->master);
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if(co[1]) return false;
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}
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if(sol) {
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auto co = c->master->distance;
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if(co) return false;
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}
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if(c == cwt.at || true)
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city.render(V);
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return false;
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}
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void enable() {
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rogueviz::rv_hook(hooks_drawcell, 100, draw_city_at);
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add_model_settings();
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}
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auto hypcity_ah = arg::add3("-hypcity", enable)
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+ addHook_slideshows(120, [] (tour::ss::slideshow_callback cb) {
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using namespace rogueviz::pres;
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static vector<slide> hypcity_slides;
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if(hypcity_slides.empty()) {
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hypcity_slides.emplace_back(
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slide{"Introduction", 999, LEGAL::NONE,
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"Here we put a 3D model of a city into various geometries. Don't forget to try changing RogueViz projection and view range settings!\n\n"
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"Remember to try different projections (press '1')!"
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,
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[] (presmode mode) {
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slide_url(mode, 'm', "original model by Emile Johansson", "https://sketchfab.com/3d-models/night-city-p2-82637933a7cb4fafadb0e2a79415c438");
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slide_url(mode, 't', "original Tweets by Nico Belmonte", "https://twitter.com/philogb/status/1375147728389476356");
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}});
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auto add = [&] (string s, string text, int dim, reaction_t setter) {
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hypcity_slides.emplace_back(
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tour::slide{s, 100, LEGAL::NONE | QUICKGEO, text,
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[=] (presmode mode) {
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if(mode == pmStart && dim == 2 && !vid.always3) {
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geom3::switch_fpp();
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}
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setCanvas(mode, '0');
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if(mode == pmStart) {
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slide_backup(canvas_default_wall, waInvisibleFloor);
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if(dim == 2) slide_backup(vid.camera, 0);
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if(dim == 2) slide_backup(vid.depth, 0);
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slide_backup(context_fog, false);
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setter();
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start_game();
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enable();
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}
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non_game_slide_scroll(mode);
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}});
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};
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add("hyperbolic", "Hyperbolic geometry.", 2, [] {
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set_geometry(g45);
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gp::param = {1, 1};
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set_variation(eVariation::unrectified);
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});
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add("spherical", "Spherical geometry.", 2, [] {
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set_geometry(gSmallSphere);
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set_variation(eVariation::pure);
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});
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add("Nil", "Nil geometry.", 3, [] {
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set_geometry(gNil);
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});
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add("Solv", "Solv geometry.", 3, [] {
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set_geometry(gSol);
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});
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add_end(hypcity_slides);
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}
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cb(XLAT("non-Euclidean city"), &hypcity_slides[0], 'c');
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});
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}
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#endif
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}
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