304 lines
7.7 KiB
C++
304 lines
7.7 KiB
C++
// compile with:
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// ./mymake -O3 inner-maps
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// used in: https://twitter.com/zenorogue/status/1212408644941295619
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// run with:
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// ./hyper -innner-map -noscr -canvas r -canvas i -wsh 0 -smart 4 -shott 0 -alpha 1
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#include "rogueviz.h"
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namespace hr {
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namespace inner {
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bool out = true;
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EX struct renderbuffer *buf1, *buf2;
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map<cell*, basic_textureinfo> lti;
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ld mdist;
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bool for_klein = false;
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ld alpha = -.7;
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cell *rendercenter;
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shiftmatrix rendercenterV;
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bool auto_move = false;
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ld texture_alpha = 1;
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ld inner_alpha = 1;
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bool dense = false;
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// should do 30x -- temporarily disabled
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ld iterations = 1;
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ld iterations_bank;
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void gentexture() {
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if(out) iterations_bank += iterations;
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while(iterations_bank >= 1) {
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iterations_bank -= 1;
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println(hlog, "# = ", isize(lti));
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dynamicval<bool> b(out, false);
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dynamicval<ld> va(pconf.alpha, texture_alpha);
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if(!buf1) {
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buf1 = new renderbuffer(rug::texturesize, rug::texturesize, true);
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buf2 = new renderbuffer(rug::texturesize, rug::texturesize, true);
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}
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resetbuffer rb;
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rug::calcparam_rug();
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models::configure();
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buf1->enable();
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buf1->clear(0);
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buf2->use_as_texture();
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draw_boundary(0);
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draw_boundary(1);
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draw_model_elements();
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drawthemap();
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drawqueue();
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calcparam();
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rb.reset();
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swap(buf1, buf2);
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rendercenter = centerover;
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rendercenterV = gmatrix[centerover];
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}
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}
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void frame() {
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gentexture();
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if(auto_move) {
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color_t col = minf[moReptile].color;
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drawMonsterType(moReptile, NULL, shiftless(spin(alpha)), col, mdist, col);
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mapeditor::drawplayer = false;
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}
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}
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bool done;
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hpcshape edgeshape;
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hpcshape circ;
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ld crad = dense ? .5 : 1.82;
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ld ceps = .02;
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ld crad_p;
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void need_redo() {
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done = false;
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}
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void make_shape() {
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if(done) return;
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done = true;
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cgi.bshape(circ, PPR::WALL);
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circ.flags |= POLY_TRIANGLES;
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int k = for_klein ? 1 : 2;
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int maxz = for_klein ? 120 : 30;
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for(int z=0; z<maxz; z++) {
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ld ra = (z+0.)/maxz * crad, rb = (z+1.)/maxz * crad;
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for(int i=0; i<360; i+=k) {
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ld a = i * degree;
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ld b = (i+k) * degree;
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cgi.hpcpush(xspinpush0(a, ra));
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cgi.hpcpush(xspinpush0(a, rb));
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cgi.hpcpush(xspinpush0(b, rb));
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if(z) {
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cgi.hpcpush(xspinpush0(a, ra));
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cgi.hpcpush(xspinpush0(b, ra));
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cgi.hpcpush(xspinpush0(b, rb));
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}
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}
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}
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cgi.finishshape();
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println(hlog, "circ vertices = ", circ.e - circ.s);
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cgi.bshape(edgeshape, PPR::WALL);
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for(int i=0; i<=360; i+=k) {
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ld a = i * degree;
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cgi.hpcpush(xspinpush0(a, crad - ceps));
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}
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for(int i=0; i<=360; i+=k) {
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ld a = i * degree;
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cgi.hpcpush(xspinpush0(a, crad + ceps));
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}
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cgi.finishshape();
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cgi.extra_vertices();
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hyperpoint ph = xspinpush0(0, crad);
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ph /= (inner_alpha+ph[2]);
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crad_p = ph[0];
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}
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set<cell*> gs;
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bool render(cell *c, const shiftmatrix& V) {
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if(!buf1 || !buf2 || !rendercenter) return false;
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make_shape();
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if(false && !gs.count(c)) {
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gs.insert(c);
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c->mondir = hrand(c->type);
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dont_face_pc = true;
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switch(hrand(100)) {
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case 0:
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c->monst = moOrangeDog;
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break;
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case 1:
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c->item = itHell;
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break;
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case 2:
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c->monst = moSalamander;
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break;
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case 3:
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c->monst = moButterfly;
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break;
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case 4:
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c->monst = moSparrowhawk;
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break;
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}
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}
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if(dense ? pseudohept(c) : cdist50(c) == 0) {
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dynamicval<color_t> po(poly_outline, 0x000000FF);
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auto& p = lti[c];
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p.texture_id = buf2->renderedTexture;
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p.tvertices.clear();
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/*inner_alpha = anyshiftclick ? 1 : 0;
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hyperpoint ph = xspinpush0(0, crad);
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ph /= (inner_alpha+ph[2]);
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crad_p = ph[0];
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*/
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for(int i=circ.s; i<circ.e; i++) {
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hyperpoint h = cgi.hpc[i];
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// hyperboloid to Poincare
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h /= (inner_alpha + h[2]);
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// scale up
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h /= crad_p;
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h *= .99999999;
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// Poincare to hyperboloid
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h = perspective_to_space(h, inner_alpha, cgclass);
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/*
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ld hr = sqhypot_d(2, h);
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ld hz = (1 + hr) / (1 - hr);
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h[0] *= (hz+1);
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h[1] *= (hz+1);
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h[2] = hz;
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*/
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// move according to V
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h = rendercenterV.T * inverse(ggmatrix(rendercenter).T) * V.T * h;
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// texture coordinates
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// hyperpoint scr;
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// dynamicval<ld> b(pconf.alpha, anyshiftclick ? pconf.alpha : texture_alpha);
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// applymodel(h, scr);
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hyperpoint scr = h / (texture_alpha + h[2]);
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p.tvertices.push_back(glhr::makevertex(.5 + .5 * scr[0], .5 - .5 * scr[1], 0));
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}
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queuepoly(V, circ, 0xFFFFFFFF).tinf = &p;
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queuepoly(V, edgeshape, darkena(c->landparam, 0, 0xFF));
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}
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return false;
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}
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void shift() {
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if(auto_move) {
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centerover = currentmap->gamestart();
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mdist = (ticks % 10000) * 6 / 10000.;
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View = spin(alpha) * xpush(-mdist) * spin(-alpha);
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anims::moved();
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centerover->monst = moNone;
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forCellEx(c1, centerover) c1->monst = moNone;
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}
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}
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void show() {
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cmode = sm::SIDE | sm::MAYDARK;
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gamescreen();
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dialog::init(XLAT("inner maps"), 0xFFFFFFFF, 150, 0);
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add_edit(texture_alpha);
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add_edit(inner_alpha);
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add_edit(dense);
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add_edit(crad);
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add_edit(ceps);
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add_edit(auto_move);
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add_edit(iterations);
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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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rv_hook(hooks_frame, 100, frame);
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rv_hook(hooks_drawcell, 100, render);
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rv_hook(anims::hooks_anim, 100, shift);
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rv_hook(hooks_o_key, 80, [] (o_funcs& v) { v.push_back(named_dialog("inner maps", show)); });
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}
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auto hook = arg::add3("-inner-map", enable)
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+ addHook(hooks_configfile, 100, [] {
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param_f(texture_alpha, "inner_talpha")
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->editable(0, 5, .1, "texture projection distance", "", 't');
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param_f(inner_alpha, "inner_ialpha")
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->editable(0, 5, .1, "inner projection distance", "", 'i')
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->set_reaction(need_redo);
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param_b(dense, "inner_dense")
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->editable("densely packed maps", 'd');
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param_f(crad, "inner_crad")
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->editable(0, 10, .1, "radii of the inner maps", "", 'r')
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->set_reaction(need_redo);
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param_f(ceps, "inner_ceps")
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->editable(0, 0.1, .001, "map frame size", "", 'f')
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->set_reaction(need_redo);
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param_b(auto_move, "auto_move")
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->editable("animate", 'a');
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param_f(iterations, "inner_iterations")
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->editable(0, 30, 0.2, "iterations per frame",
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"How many times per frame should we re-render the map",
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'i')
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->set_reaction(need_redo);
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})
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+ addHook_rvslides(52, [] (string s, vector<tour::slide>& v) {
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if(s != "projections") return;
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using namespace tour;
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v.push_back(slide{
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"projections/hyperbolic to hyperbolic", 10, LEGAL::NONE | QUICKGEO,
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"We can also project a hyperbolic plane to a hyperbolic plane of different curvature.\n\n"
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"Creatures living in the hyperbolic world may use the native Poincaré model to get conformal, circular, and totally useless maps of their whole world.\n\n"
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"Press 'o' to change the settings."
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,
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[] (presmode mode) {
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slide_url(mode, 't', "Twitter link (with description)", "https://twitter.com/zenorogue/status/1212408644941295619");
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setCanvas(mode, 'r');
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if(mode == pmStart) {
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if(!shmup::on) restart_game(rg::shmup);
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slide_backup(mapeditor::drawplayer, true);
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enable();
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start_game();
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}
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}});
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});
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}
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}
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