mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-12-17 22:50:25 +00:00
543 lines
16 KiB
C++
543 lines
16 KiB
C++
#ifndef PRESENTATION_CPP
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#define PRESENTATION_CPP
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#include "../rogueviz/rogueviz.h"
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namespace rogueviz {
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#if CAP_RVSLIDES
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namespace pres {
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/* maks graphs in presentations */
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grapher::grapher(ld _minx, ld _miny, ld _maxx, ld _maxy) : minx(_minx), miny(_miny), maxx(_maxx), maxy(_maxy) {
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auto& cd = *current_display;
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ld xpixels = 2 * min(cd.xcenter - cd.xmin, cd.xmax - cd.xcenter);
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ld ypixels = 2 * min(cd.ycenter - cd.ymin, cd.ymax - cd.ycenter);
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ld sca = min(abs(xpixels / (maxx-minx)), abs(ypixels / (maxy-miny)));
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ld medx = (minx + maxx) / 2;
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ld medy = (miny + maxy) / 2;
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hyperpoint zero = atscreenpos(cd.xcenter - sca * medx, cd.ycenter + sca * medy, 1) * C0;
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hyperpoint zero10 = atscreenpos(cd.xcenter - sca * medx + sca, cd.ycenter + sca * medy, 1) * C0;
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hyperpoint zero01 = atscreenpos(cd.xcenter - sca * medx, cd.ycenter + sca * medy - sca, 1) * C0;
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T = shiftless(Id);
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T.T[LDIM] = zero;
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T.T[0] = zero10 - zero;
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T.T[1] = zero01 - zero;
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T.T = transpose(T.T);
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}
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void grapher::line(hyperpoint h1, hyperpoint h2, color_t col) {
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curvepoint(h1);
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curvepoint(h2);
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queuecurve(T, col, 0, PPR::LINE).flags |= POLY_FORCEWIDE;
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}
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void grapher::arrow(hyperpoint h1, hyperpoint h2, ld sca, color_t col) {
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line(h1, h2, col);
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if(!sca) return;
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hyperpoint h = h2 - h1;
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ld siz = hypot_d(2, h);
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h *= sca / siz;
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curvepoint(h2);
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curvepoint(h2 - spin(15*degree) * h);
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curvepoint(h2 - spin(-15*degree) * h);
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curvepoint(h2);
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queuecurve(T, col, col, PPR::LINE);
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}
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shiftmatrix grapher::pos(ld x, ld y, ld sca) {
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transmatrix P = Id;
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P[0][0] = sca;
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P[1][1] = sca;
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P[0][LDIM] = x;
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P[1][LDIM] = y;
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return T * P;
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}
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hyperpoint p2(ld x, ld y) { return LDIM == 2 ? point3(x, y, 1) : point31(x, y, 0); }
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/* temporary hooks */
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using namespace hr::tour;
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void add_stat(presmode mode, const bool_reaction_t& stat) {
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add_temporary_hook(mode, hooks_prestats, 200, stat);
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}
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void no_other_hud(presmode mode) {
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add_temporary_hook(mode, hooks_prestats, 300, [] { return true; });
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clearMessages();
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}
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void empty_screen(presmode mode, color_t col) {
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if(mode == pmStart) {
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tour::slide_backup(nomap, true);
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tour::slide_backup(backcolor, col);
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tour::slide_backup(ringcolor, color_t(0));
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tour::slide_backup<color_t>(dialog::dialogcolor, 0);
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tour::slide_backup<color_t>(forecolor, 0);
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tour::slide_backup<color_t>(bordcolor, 0xFFFFFFFF);
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tour::slide_backup(vid.aurastr, 0);
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}
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}
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void slide_error(presmode mode, string s) {
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empty_screen(mode, 0x400000);
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add_stat(mode, [s] {
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dialog::init();
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dialog::addTitle(s, 0xFF0000, 150);
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dialog::display();
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return true;
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});
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}
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map<string, texture::texture_data> textures;
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void draw_texture(texture::texture_data& tex) {
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static vector<glhr::textured_vertex> rtver(4);
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int fs = inHighQual ? 0 : 2 * vid.fsize;
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ld tx = tex.tx;
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ld ty = tex.ty;
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ld scalex = (vid.xres/2 - fs) / (current_display->radius * tx);
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ld scaley = (vid.yres/2 - fs) / (current_display->radius * ty);
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ld scale = min(scalex, scaley);
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scale *= 2;
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for(int i=0; i<4; i++) {
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ld cx[4] = {1,0,0,1};
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ld cy[4] = {1,1,0,0};
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rtver[i].texture[0] = (tex.base_x + (cx[i] ? tex.strx : 0.)) / tex.twidth;
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rtver[i].texture[1] = (tex.base_y + (cy[i] ? tex.stry : 0.)) / tex.theight;
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rtver[i].coords[0] = (cx[i]*2-1) * scale * tx;
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rtver[i].coords[1] = (cy[i]*2-1) * scale * ty;
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rtver[i].coords[2] = 1;
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rtver[i].coords[3] = 1;
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}
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glhr::be_textured();
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current_display->set_projection(0, false);
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glBindTexture(GL_TEXTURE_2D, tex.textureid);
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glhr::color2(0xFFFFFFFF);
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glhr::id_modelview();
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current_display->set_mask(0);
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glhr::prepare(rtver);
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glhr::set_depthtest(false);
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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}
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void show_picture(presmode mode, string s) {
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if(mode == pmStartAll) {
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auto& tex = textures[s];
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println(hlog, "rt = ", tex.readtexture(s));
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println(hlog, "gl = ", tex.loadTextureGL());
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}
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add_stat(mode, [s] {
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auto& tex = textures[s];
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flat_model_enabler fme;
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draw_texture(tex);
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return false;
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});
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}
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string gen_latex(presmode mode, string s, int res) {
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unsigned hash = 0;
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for(char c: s) hash = (hash << 3) ^ hash ^ c;
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string filename = format("latex-cache/%08X.png", hash);
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if(mode == pmStartAll) {
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if(!file_exists(filename)) {
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system("mkdir latex-cache");
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FILE *f = fopen("latex-cache/rogueviz-latex.tex", "w");
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fprintf(f,
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"\\documentclass[border=2pt]{standalone}\n"
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"\\usepackage{amsmath}\n"
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"\\usepackage{varwidth}\n"
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"\\begin{document}\n"
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"\\begin{varwidth}{\\linewidth}\n"
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"%s"
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"\\end{varwidth}\n"
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"\\end{document}\n", s.c_str());
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fclose(f);
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system("cd latex-cache; pdflatex rogueviz-latex.tex");
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string pngline = "cd latex-cache; pdftopng -r " + its(res) + " rogueviz-latex.pdf t";
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system(pngline.c_str());
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rename("latex-cache/t-000001.png", filename.c_str());
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}
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}
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return filename;
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}
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void show_latex(presmode mode, string s) {
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show_picture(mode, gen_latex(mode, s, 2400));
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}
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void dialog_add_latex(string s, color_t col, int size) {
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string fn = gen_latex(pmStart, s, 600);
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if(!textures.count(fn)) {
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gen_latex(pmStartAll, s, 600);
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auto& tex = textures[fn];
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tex.original = true;
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println(hlog, "rt = ", tex.readtexture(fn));
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for(int y=0; y<tex.theight; y++)
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for(int x=0; x<tex.twidth; x++) {
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auto& pix = tex.get_texture_pixel(x, y);
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if(y <= tex.base_y || y >= tex.base_y + tex.stry || x <= tex.base_x || x >= tex.base_x + tex.strx) { pix = 0; continue; }
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int dark = 255 - part(pix, 1);
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pix = 0xFFFFFF + (dark << 24);
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}
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println(hlog, "gl = ", tex.loadTextureGL());
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println(hlog, "fn is ", fn);
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}
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dialog::addCustom(size, [s, fn, col] {
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auto& tex = textures[fn];
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flat_model_enabler fme;
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ld tx = tex.tx;
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ld ty = tex.ty;
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int size = dialog::tothei - dialog::top;
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ld scale = size / 116. / 2;
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static vector<glhr::textured_vertex> rtver(4);
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for(int i=0; i<4; i++) {
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ld cx[4] = {1,0,0,1};
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ld cy[4] = {1,1,0,0};
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rtver[i].texture[0] = (tex.base_x + (cx[i] ? tex.strx : 0.)) / tex.twidth;
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rtver[i].texture[1] = (tex.base_y + (cy[i] ? tex.stry : 0.)) / tex.theight;
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ld x = dialog::dcenter + (cx[i]*2-1) * scale * tx;
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ld y = (dialog::top + dialog::tothei)/2 + (cy[i]*2-1) * scale * ty;
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rtver[i].coords = glhr::pointtogl( atscreenpos(x, y, 1) * C0 );
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}
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glhr::be_textured();
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current_display->set_projection(0, false);
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glBindTexture(GL_TEXTURE_2D, tex.textureid);
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glhr::color2(col);
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glhr::id_modelview();
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current_display->set_mask(0);
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glhr::prepare(rtver);
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glhr::set_depthtest(false);
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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});
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}
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bool rv_latex = false;
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void dialog_may_latex(string latex, string normal, color_t col, int size) {
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if(rv_latex)
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dialog_add_latex(latex, (col << 8) | 0xFF, size * 3/2);
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else {
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dialog::addInfo(normal, col);
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dialog::items.back().scale = size;
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}
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}
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int video_start = 0;
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void read_all(int fd, void *buf, int cnt) {
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char *cbuf = (char*) buf;
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while(cnt > 0) {
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int qt = read(fd, cbuf, cnt);
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if(qt <= 0) break;
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cbuf += qt;
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cnt -= qt;
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}
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}
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/* note: this loads the whole animation uncompressed into memory, so it is suitable only for short presentations */
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void show_animation(presmode mode, string s, int sx, int sy, int frames, int fps) {
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#if CAP_VIDEO
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if(mode == pmStartAll || mode == pmStart) {
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/* load only once */
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if(textures.count(s + "@0")) return;
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/* actually load */
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array<int, 2> tab;
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if(pipe(&tab[0])) {
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addMessage(format("Error: %s", strerror(errno)));
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return;
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}
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int pid = fork();
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fflush(stdout);
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fprintf(stderr, "pipe is %d:%d\n", tab[0], tab[1]);
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if(pid == 0) {
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fprintf(stderr, "in child\n");
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fprintf(stderr, "making fformat\n");
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string fformat = "ffmpeg -y -i " + s + " -f rawvideo -pix_fmt bgra /dev/fd/" + its(tab[1]);
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int sys = system(fformat.c_str());
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::close(tab[0]);
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fprintf(stderr, "system call returned %d: %s\n", sys, strerror(errno));
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::close(tab[1]);
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exit(0);
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}
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::close(tab[1]);
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for(int i=0; i<frames; i++) {
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auto& tex = textures[s + "@" + its(i)];
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tex.strx = tex.tx = sx;
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tex.stry = tex.ty = sy;
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tex.twidth = next_p2(tex.tx);
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tex.theight = next_p2(tex.ty);
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tex.base_x = tex.base_y = 0;
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tex.texture_pixels.resize(tex.twidth * tex.theight);
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for(int y=0; y<sy; y++) {
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read_all(tab[0], &tex.texture_pixels[tex.twidth * y], 4 * sx);
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}
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println(hlog, "load frame ", i, " = ", tex.loadTextureGL(), " color = ", tex.texture_pixels[0]);
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// tex.loadTextureGL();
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}
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::close(tab[0]);
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println(hlog, "waiting");
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wait(nullptr);
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println(hlog, "waited");
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video_start = ticks;
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}
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add_stat(mode, [s, frames, fps] {
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int f = (ticks - video_start) / 1000. * fps;
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f %= frames;
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auto& tex = textures[s + "@" + its(f)];
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flat_model_enabler fme;
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draw_texture(tex);
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return false;
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});
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#endif
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}
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void choose_presentation() {
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gamescreen(2);
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getcstat = ' ';
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dialog::init(XLAT("presentations"), 0xFFD500);
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ss::for_all_slideshows([] (string title, slide *sl, char ch) {
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dialog::addItem(title, ch);
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dialog::add_action([sl] {
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tour::slides = sl;
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if(!tour::texts) nomenukey = true;
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popScreenAll();
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tour::start();
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if(!tour::on) tour::start();
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});
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});
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dialog::addBreak(100);
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dialog::addBoolItem_action(XLAT("enable/disable texts"), tour::texts, '7');
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dialog::display();
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}
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int phooks =
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0
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+ addHook(hooks_configfile, 100, [] {
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param_b(rv_latex, "rv_latex");
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})
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+ addHook(dialog::hooks_display_dialog, 100, [] () {
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if(current_screen_cfunction() == showStartMenu) {
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dialog::addBreak(100);
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dialog::addBigItem(XLAT("RogueViz demos"), 'd');
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dialog::add_action([] () { pushScreen(choose_presentation); });
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}
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});
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void use_angledir(presmode mode, bool reset) {
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if(mode == pmStart && reset)
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angle = 0, dir = -1;
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add_temporary_hook(mode, shmup::hooks_turn, 200, [] (int i) {
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angle += dir * i / 500.;
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if(angle > M_PI/2) angle = M_PI/2;
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if(angle < 0) angle = 0;
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return false;
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});
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if(mode == pmKey) dir = -dir;
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}
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void compare_projections(presmode mode, eModel a, eModel b) {
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static function<void()> w;
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if(mode == pmStart) {
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w = wrap_drawfullmap;
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tour::slide_backup(wrap_drawfullmap, w);
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wrap_drawfullmap = [a, b] {
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if(1) {
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dynamicval<ld> xmin(current_display->xmin, 0);
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dynamicval<ld> xmax(current_display->xmax, 0.49);
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dynamicval<eModel> pm(pmodel, a);
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calcparam();
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w();
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current_display->xmin = .51;
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current_display->xmax = 1;
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pmodel = b;
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calcparam();
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w();
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}
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calcparam();
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};
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}
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}
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/* default RogueViz tour */
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vector<slide> rvslides_mixed;
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vector<slide> rvslides_data;
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extern vector<slide> rvslides_default;
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void add_end(vector<slide>& s) {
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s.emplace_back(
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slide{"THE END", 99, LEGAL::NONE | FINALSLIDE,
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"Press '5' to leave the presentation.",
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[] (presmode mode) {
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if(mode == pmStart) firstland = specialland = laIce;
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if(mode == 4) restart_game(rg::tour);
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}
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});
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}
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slide *gen_rvtour_data() {
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rvslides_data = rvslides_default;
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callhooks(hooks_build_rvtour, "data", rvslides_data);
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add_end(rvslides_data);
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return &rvslides_data[0];
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}
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slide *gen_rvtour_mixed() {
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rvslides_mixed.emplace_back(slide{
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"RogueViz", 999, LEGAL::ANY,
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"This presentation is mostly composed from various unsorted demos, mostly posted on Twitter and YouTube. Press Enter to continue, ESC to look at other functions of this presentation.",
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[] (presmode mode) {
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slide_url(mode, 'y', "YouTube link", "https://www.youtube.com/user/ZenoTheRogue");
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slide_url(mode, 't', "Twitter link", "https://twitter.com/zenorogue/");
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}
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});
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callhooks(hooks_build_rvtour, "mixed", rvslides_mixed);
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add_end(rvslides_mixed);
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return &rvslides_mixed[0];
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}
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vector<slide> rvslides_default = {
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{"intro", 999, LEGAL::ANY,
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"Hyperbolic space is great "
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"for visualizing some kinds of data because of the vast amount "
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"of space.\n\n"
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"Press '5' to switch to the standard HyperRogue tutorial. "
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"Press ESC to look at other functions of this presentation."
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,
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[] (presmode mode) {
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slidecommand = "the standard presentation";
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if(mode == pmStartAll) firstland = specialland = laPalace;
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if(mode == 4) {
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tour::slides = default_slides;
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while(tour::on) restart_game(rg::tour);
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firstland = specialland = laIce;
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tour::start();
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}
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}
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},
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{"straight lines in the Palace", 999, LEGAL::ANY,
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"One simple slide about HyperRogue. Press '5' to show some hyperbolic straight lines.",
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[] (presmode mode) {
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using namespace linepatterns;
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slidecommand = "toggle the Palace lines";
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if(mode == 4) patPalace.color = (patPalace.color == 0xFFD500FF ? 0 : 0xFFD500FF);
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if(mode == 3) patPalace.color = 0xFFD50000;
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}
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},
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};
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int pres_hooks =
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addHook(hooks_slide, 100, [] (int mode) {
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if(currentslide == 0 && slides == default_slides) {
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slidecommand = "RogueViz presentation";
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if(mode == 1)
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help +=
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"\n\nYour version of HyperRogue is compiled with RogueViz. "
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"Press '5' to switch to the RogueViz slides. Watching the "
|
|
"common HyperRogue tutorial first is useful too, "
|
|
"as an introduction to hyperbolic geometry.";
|
|
if(mode == 4) {
|
|
while(tour::on) restart_game(rg::tour);
|
|
pushScreen(choose_presentation);
|
|
}
|
|
}
|
|
}) +
|
|
addHook(dialog::hooks_display_dialog, 100, [] () {
|
|
if(current_screen_cfunction() == showMainMenu) {
|
|
dialog::addItem(XLAT("RogueViz demos"), 'd');
|
|
dialog::add_action_push(choose_presentation);
|
|
}
|
|
}) +
|
|
addHook_slideshows(300, [] (tour::ss::slideshow_callback cb) {
|
|
if(rogueviz::pres::rvslides_data.empty()) pres::gen_rvtour_data();
|
|
cb(XLAT("non-Euclidean geometry in data analysis"), &pres::rvslides_data[0], 'd');
|
|
|
|
if(rogueviz::pres::rvslides_mixed.empty()) pres::gen_rvtour_mixed();
|
|
|
|
cb(XLAT("unsorted RogueViz demos"), &pres::rvslides_mixed[0], 'u');
|
|
}) +
|
|
0;
|
|
|
|
void launch_slideshow_by_name(string s) {
|
|
ss::for_all_slideshows([s] (string title, slide *sl, char ch) {
|
|
println(hlog, "comparing ", s, " to ", title);
|
|
if(s.size() == 1 ? s[0] == ch : appears(title, s)) {
|
|
tour::slides = sl;
|
|
nomenukey = true;
|
|
popScreenAll();
|
|
tour::start();
|
|
if(!tour::on) tour::start();
|
|
}
|
|
});
|
|
}
|
|
|
|
int runslide = arg::add3("-slides", [] {
|
|
arg::shift(); launch_slideshow_by_name(arg::args());
|
|
}) + arg::add3("-slide", [] {
|
|
arg::shift(); launch_slideshow_by_name(arg::args());
|
|
presentation(pmStop);
|
|
arg::shift(); string s = arg::args();
|
|
int i;
|
|
currentslide = -1;
|
|
for(i=0; (i==0 || !(slides[i-1].flags & FINALSLIDE)); i++) {
|
|
if(appears(slides[i].name, s)) {
|
|
currentslide = i;
|
|
break;
|
|
}
|
|
}
|
|
if(currentslide == -1) {
|
|
int j = atoi(s.c_str());
|
|
if(j >= 0 && j < i) currentslide = j;
|
|
else currentslide = 0;
|
|
}
|
|
presentation(pmStart);
|
|
})
|
|
+ arg::add3("-presangle", [] {
|
|
arg::shift_arg_formula(angle);
|
|
dir = 0;
|
|
});
|
|
;
|
|
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#endif
|