mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-27 22:39:53 +00:00
383 lines
11 KiB
C++
383 lines
11 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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struct grapher {
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ld minx, miny, maxx, maxy;
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shiftmatrix T;
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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 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 arrow(hyperpoint h1, hyperpoint h2, ld sca) {
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line(h1, h2, 0xFF);
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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, 0xFF, 0xFF, PPR::LINE);
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}
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shiftmatrix 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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};
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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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template<class T, class U> void add_temporary_hook(int mode, hookset<T>& m, int prio, U&& hook) {
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if(mode == pmStart) {
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int p = addHook(m, prio, hook);
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on_restore([&m, p] {
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delHook(m, p);
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});
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}
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}
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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 = 0xFFFFFFFF) {
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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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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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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) {
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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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});
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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(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("presentations"), 'p');
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dialog::add_action([] () { pushScreen(choose_presentation); });
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dialog::addInfo(XLAT("presentation"));
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}
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});
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static ld angle = 0;
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static int dir = -1;
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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;
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extern vector<slide> rvslides_default;
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slide *gen_rvtour() {
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rvslides = rvslides_default;
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callhooks(hooks_build_rvtour, rvslides);
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rvslides.emplace_back(
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slide{"THE END", 99, LEGAL::ANY | FINALSLIDE,
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"Press '5' to leave the presentation.",
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[] (presmode mode) {
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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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return &rvslides[0];
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}
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vector<slide> rvslides_default = {
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{"RogueViz", 999, LEGAL::ANY,
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"This is a presentation of RogueViz, which "
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"is an adaptation of HyperRogue as a visualization tool "
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"rather than a game. 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 = 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 "
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"common HyperRogue tutorial first is useful too, "
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"as an introduction to hyperbolic geometry.";
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if(mode == 4) {
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slides = gen_rvtour();
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while(tour::on) restart_game(rg::tour);
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tour::start();
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}
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}
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}) +
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addHook(tour::ss::hooks_extra_slideshows, 100, [] (tour::ss::slideshow_callback cb) {
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if(rogueviz::pres::rvslides.empty()) pres::gen_rvtour();
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cb(XLAT("RogueViz mixed bag"), &pres::rvslides[0], 'r');
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}) +
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0;
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}
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#endif
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}
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#endif
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