mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-12-20 23:50:27 +00:00
281 lines
6.6 KiB
C++
281 lines
6.6 KiB
C++
#include "rogueviz.h"
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namespace hr {
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namespace ply {
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using namespace rogueviz::objmodels;
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bool animated;
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hyperpoint A = point31(9.7, -38.1, 10.116);
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hyperpoint B = point31(17.3, -38.1, 10.95);
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hyperpoint C = point31(17.3, -46.1, 11.75);
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hyperpoint D = point31(12.95, -46.08, 12.28);
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hyperpoint E = point31(12.86, -44.53, 12.4);
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ld radius = (12.86 - 11.11) / 2;
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transmatrix nilform;
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map<hyperpoint, pair<int, hyperpoint> > cache;
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bool debugnil = false;
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bool usecache = true;
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pair<int, hyperpoint> nilize(hyperpoint h) {
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if(euclid) return {0, h - A + C0};
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hyperpoint hc = h;
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for(int i=0; i<4; i++) hc[i] = floor(h[i] * 1000 + .5);
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if(usecache && cache.count(hc)) return cache[hc];
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hyperpoint at = A;
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hyperpoint result = C0;
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auto move_coord_full = [&] (hyperpoint tgt) {
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for(int i=0; i<100; i++) {
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result = nisot::translate(result) * nilform * ((tgt - at) / 100 + C0);
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}
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at = tgt;
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};
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auto move_coord = [&] (int c, hyperpoint upto) {
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ld part = (h[c] - at[c]) / (upto[c] - at[c]);
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if(part > 1) part = 1;
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move_coord_full(at + part * (upto-at));
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};
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int cat = 0;
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if(h[1] > -39) {
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move_coord(0, B);
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cat = 1;
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goto finish;
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}
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move_coord_full(B);
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if(h[0] > 17.2) {
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move_coord(1, C);
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cat = 2;
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goto finish;
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}
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move_coord_full(C);
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if(h[1] < -45.5) {
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move_coord(0, D);
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cat = 3;
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goto finish;
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}
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cat = 4;
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move_coord_full(D);
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move_coord(1, E);
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finish:
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move_coord_full(h);
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return cache[hc] = {cat, result};
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}
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ld vperiod;
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pair<hyperpoint, hyperpoint> trace_path(ld v) {
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ld vorig = v;
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hyperpoint lctr = A;
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ld angle = 0;
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ld arclen = radius * M_PI/2;
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auto change_angle = [&] (ld x) {
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if(v == 0) return;
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else if(v >= arclen) v -= arclen, angle += 1;
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else angle += v / arclen, v = 0;
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};
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auto shift_to = [&] (hyperpoint h, bool last = false) {
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ld seglen = hypot_d(3, h - lctr);
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if(v == 0) return;
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else if(v >= seglen && !last) v -= seglen, lctr = h;
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else lctr = lerp(lctr, h, v / seglen), v = 0;
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};
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change_angle(1);
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shift_to(B);
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change_angle(2);
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shift_to(C);
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change_angle(3);
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shift_to(D);
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change_angle(4);
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shift_to(E, true);
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angle *= M_PI/2;
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if(v > 0) vperiod = vorig - v;
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return { lctr + point3(radius * -cos(angle), radius * sin(angle), 0), point3(-sin(angle), -cos(angle), 0) };
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}
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transmatrix scaleby(ld x) {
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transmatrix res = Id;
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for(int i=0; i<LDIM; i++)
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res[i][i] = x;
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return res;
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}
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vector<hyperpoint> route(1000), forwards(1000), overroute(1000);
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hyperpoint interpolate_at(vector<hyperpoint>& v, ld x) {
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while(x > 1000) x -= 1000;
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return lerp(v[x], v[(int(x)+1) % 1000], frac(x));
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}
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ld advance = 2;
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ld over = 1.5;
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ld over2 = 1;
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void make_routes() {
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for(int i=0; i<1000; i++) {
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ld v = vperiod * i / 1000;
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route[i] = nilize(trace_path(v).first + point3(0,0,over)).second;
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ld vb = v + advance;
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if(vb > vperiod) vb -= vperiod;
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forwards[i] = nilize(trace_path(vb).first).second;
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overroute[i] = nilize(trace_path(v).first + point3(0,0,over+over2)).second;
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}
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auto smoothen = [&] (vector<hyperpoint>& v) {
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for(int it=0; it<100; it++) {
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vector<hyperpoint> smoother;
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for(int i=0; i<1000; i++) {
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hyperpoint& a = v[i];
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hyperpoint& b = v[(i+1) % 1000];
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hyperpoint& c = v[(i+2) % 1000];
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smoother.push_back((a + b + c) / 3);
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}
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v = smoother;
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}
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};
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smoothen(route);
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smoothen(forwards);
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smoothen(overroute);
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}
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bool prepared;
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void prepare_nilform() {
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if(prepared) return;
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prepared = true;
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hyperpoint axis = (E - A);
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transmatrix rotator = Id;
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rotator[2] = axis;
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println(hlog, " = ", (rotator[2] | rotator[2]));
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rotator[2] /= sqrt(rotator[2] | rotator[2]);
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rotator[1] -= (rotator[1] | rotator[2]) * rotator[2];
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rotator[1] /= sqrt(rotator[1] | rotator[1]);
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rotator[0] -= (rotator[0] | rotator[2]) * rotator[2];
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rotator[0] -= (rotator[0] | rotator[1]) * rotator[1];
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rotator[0] /= sqrt(rotator[0] | rotator[0]);
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println(hlog, "rotator = ", kz(rotator));
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rotator = inverse(transpose(rotator));
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println(hlog, "rotator = ", kz(rotator));
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ld minscale = 0.5; // positive
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ld maxscale = 1.5; // negative
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ld scale;
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for(int it=0; it<100; it++) {
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scale = (minscale + maxscale) / 2;
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nilform = rotator * scaleby(scale);
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cache.clear();
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hyperpoint nE = nilize(E).second;
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if(nE[2] < 0) maxscale = scale;
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else minscale = scale;
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}
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println(hlog, "scale = ", scale);
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println(hlog, nilize(E).second);
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vperiod = radius * 2 * M_PI + hypot_d(3, B-A) + hypot_d(3, C-B) + hypot_d(3, D-C) + hypot_d(3, E-D);
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println(hlog, "vperiod = ", vperiod);
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make_routes();
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}
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model staircase("rogueviz/nil/", "aco.obj", nilize);
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bool draw_ply() {
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if(nil) prepare_nilform();
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staircase.render(ggmatrix(currentmap->gamestart()));
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return false;
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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("Ascending & Descending"), 0xFFFFFFFF, 150, 0);
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dialog::addSelItem("advance", fts(advance), 'a');
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dialog::add_action([]() {
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dialog::editNumber(advance, 0, 100, 1, 1, "advance", "");
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dialog::reaction = make_routes;
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});
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dialog::addSelItem("over", fts(over), 'o');
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dialog::add_action([]() {
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dialog::editNumber(over, 0, 100, 1, 1, "over", "");
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dialog::reaction = make_routes;
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});
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dialog::addSelItem("over2", fts(over2), 'p');
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dialog::add_action([]() {
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dialog::editNumber(over2, 0, 100, 1, 1, "over2", "");
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dialog::reaction = make_routes;
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});
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dialog::addBoolItem_action("animated", animated, 'a');
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add_edit(prec);
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dialog::addBack();
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dialog::display();
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}
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void o_key(o_funcs& v) {
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v.push_back(named_dialog("Ascending & Descending", show));
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}
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void enable() {
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rogueviz::rv_hook(hooks_frame, 100, draw_ply);
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rogueviz::rv_hook(hooks_o_key, 80, o_key);
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rogueviz::rv_hook(anims::hooks_anim, 100, [] {
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if(!animated) return;
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usecache = false;
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ld t = ticks * 1. / anims::period;
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t = t - floor(t);
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t *= 1000;
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centerover = currentmap->gamestart();
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set_view(
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interpolate_at(route, t),
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interpolate_at(forwards, t),
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interpolate_at(overroute, t)
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);
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anims::moved();
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});
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}
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auto plyhook =
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arg::add3("-asd", enable) +
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addHook(hooks_configfile, 100, [] {
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param_b(animated, "ad_animated");
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});
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}
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}
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