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https://github.com/zenorogue/hyperrogue.git
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771 lines
21 KiB
C++
771 lines
21 KiB
C++
// Hyperbolic Rogue -- the history mode
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// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
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/** \file history.cpp
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* \brief Implementation of the history mode, including the long band and long spiral.
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*/
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#include "hyper.h"
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namespace hr {
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#if CAP_SDL
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namespace spiral {
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typedef long double ld;
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typedef complex<long double> cxld;
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int shiftx, shifty, velx, vely;
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vector<pair<short, short> > quickmap;
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int CX, CY, SX, SY, Yshift;
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vector<SDL_Surface*> band;
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SDL_Surface *out;
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bool displayhelp = true;
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color_t& bandpixel(int x, int y) {
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int i = 0;
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while(i < isize(band) && x >= band[i]->w)
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x -= band[i]->w, i++;
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return qpixel(band[i], x, y);
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}
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void precompute() {
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CX = 0;
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for(int i=0; i<isize(band); i++) CX += band[i]->w;
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if(CX == 0) { printf("ERROR: no CX\n"); return; }
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CY = band[0]->h;
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SX = out->w;
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SY = out->h;
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ld k = -2*M_PI*M_PI / log(2.6180339);
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// cxld mnoznik = cxld(0, M_PI) / cxld(k, M_PI);
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cxld factor = cxld(0, -CY/2/M_PI/M_PI) * cxld(k, M_PI);
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Yshift = CY * k / M_PI;
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quickmap.clear();
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double xc = ((SX | 1) - 2) / 2.;
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double yc = ((SY | 1) - 2) / 2.;
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for(int y=0; y<SY; y++)
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for(int x=0; x<SX; x++) {
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cxld z(x-xc, y-yc);
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cxld z1 = log(z);
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z1 = z1 * factor;
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quickmap.push_back(make_pair(int(real(z1)) % CX, int(imag(z1))));
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}
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}
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void draw() {
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int c = 0;
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for(int y=0; y<SY; y++) for(int x=0; x<SX; x++) {
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pair<short,short> p = quickmap[c++];
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int cx = p.first + shiftx;
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int cy = p.second + + shifty;
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int d = cy / CY;
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cy -= d * CY; cx -= d * Yshift;
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if(cy<0) cy += CY, cx += Yshift;
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cx %= CX; if(cx<0) cx += CX;
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qpixel(out, x, y) = bandpixel(cx, cy);
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}
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}
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void loop(vector<SDL_Surface*> _band) {
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renderbuffer rb(vid.xres, vid.yres, false);
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if(vid.usingGL) {
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rb.make_surface();
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out = rb.srf;
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}
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else
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out = s;
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band = _band;
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precompute();
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if(CX == 0) return;
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shiftx = shifty = 0;
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velx=1; vely=1;
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bool dosave = false;
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while(true) {
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time_t timer;
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timer = time(NULL);
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char buf[128];
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strftime(buf, 128, "spiral-%y%m%d-%H%M%S" IMAGEEXT, localtime(&timer));
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SDL_LockSurface(out);
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draw();
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if(vid.usingGL) {
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calcparam();
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setGLProjection();
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current_display->next_shader_flags = GF_TEXTURE;
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dynamicval<eModel> m(pmodel, mdPixel);
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glhr::color2(0xFFFFFFFF);
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glhr::set_depthtest(false);
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glhr::current_vertices = NULL;
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current_display->set_all(0,0);
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vector<glhr::textured_vertex> rtver(4);
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for(int i=0; i<4; i++) {
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int cx[4] = {0, 1, 1, 0};
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int cy[4] = {0, 0, 1, 1};
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rtver[i].texture[0] = cx[i] * rb.x * 1. / rb.tx;
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rtver[i].texture[1] = 1 - cy[i] * rb.y * 1. / rb.ty;
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rtver[i].coords[0] = vid.xres * cx[i] - current_display->xcenter;
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rtver[i].coords[1] = vid.yres * cy[i] - current_display->ycenter;
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rtver[i].coords[2] = 0;
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rtver[i].coords[3] = 1;
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}
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glhr::prepare(rtver);
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rb.use_as_texture();
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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}
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if(dosave) { dosave = false; IMAGESAVE(out, buf); }
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SDL_UnlockSurface(out);
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if(displayhelp) {
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displaystr(SX/2, vid.fsize*2, 0, vid.fsize, "arrows = navigate, ESC = return, h = hide help", forecolor, 8);
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displaystr(SX/2, SY - vid.fsize*2, 0, vid.fsize, XLAT("s = save to " IMAGEEXT, buf), forecolor, 8);
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glflush();
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}
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present_screen();
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shiftx += velx; shifty += vely;
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SDL_Event event;
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while(SDL_PollEvent(&event)) switch (event.type) {
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#if !CAP_SDL2
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case SDL_VIDEORESIZE: {
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resize_screen_to(event.resize.w, event.resize.h);
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precompute();
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break;
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}
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#endif
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#if CAP_SDL2
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case SDL_WINDOWEVENT: {
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if(event.window.event == SDL_WINDOWEVENT_RESIZED)
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resize_screen_to(event.window.data1, event.window.data2);
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precompute();
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break;
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}
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#endif
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case SDL_QUIT: case SDL_MOUSEBUTTONDOWN:
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goto breakloop;
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case SDL_KEYDOWN: {
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int sym = event.key.keysym.sym;
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int uni = 0;
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numlock_on = event.key.keysym.mod & KMOD_NUM;
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if(DKEY == SDLK_RIGHT) velx++;
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if(DKEY == SDLK_LEFT) velx--;
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if(DKEY == SDLK_UP) vely++;
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if(DKEY == SDLK_DOWN) vely--;
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if(sym == SDLK_ESCAPE) goto breakloop;
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if(sym == 'h') displayhelp = !displayhelp;
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if(sym == 's') dosave = true;
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}
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}
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}
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breakloop:
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quickmap.clear();
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}
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}
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#endif
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EX namespace history {
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void handleKeyC(int sym, int uni);
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int lastprogress;
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EX void progress_screen() {
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gamescreen();
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mouseovers = "";
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}
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EX int progress_each = 250;
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EX void progress(string str) {
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#if CAP_SDL
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int tick = SDL_GetTicks();
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if(tick > lastprogress + progress_each) {
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lastprogress = tick;
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msgs.clear();
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addMessage(str);
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drawscreen();
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}
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#endif
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}
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EX bool on;
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EX vector<shmup::monster*> v;
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int llv;
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EX double phase;
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EX vector<pair<cell*, eMonster> > killhistory;
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EX vector<pair<cell*, eItem> > findhistory;
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EX vector<cell*> movehistory;
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EX bool includeHistory;
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EX ld lvspeed = 1;
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EX int bandhalf = 200;
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EX int bandsegment = 16000;
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EX int saved_ends;
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EX cell* first_center_at;
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EX transmatrix first_center_view;
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EX void save_end() {
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if(!allowIncreasedSight()) {
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addMessage("Enable cheat mode or GAME OVER to use this");
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return;
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}
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if(cheater) cheater++;
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switch(saved_ends) {
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case 0:
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first_center_at = centerover;
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first_center_view = View;
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saved_ends = 1;
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return;
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case 1: {
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shmup::monster *m = new shmup::monster;
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m->at = inverse(first_center_view);
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m->base = first_center_at;
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v.push_back(m);
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create(first_center_at, centerover, inverse(unshift(ggmatrix(centerover))));
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if(on) saved_ends = 2;
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return;
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}
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case 2:
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on = false;
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saved_ends = 0;
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return;
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}
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}
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EX bool autoband = false;
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EX bool autobandhistory = false;
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EX bool dospiral = true;
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EX ld extra_line_steps = 0;
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EX vector<cell*> path_for_lineanimation;
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EX void clear() {
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on = false;
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int N = isize(v);
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for(int i=0; i<N; i++) delete v[i];
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v.resize(0);
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}
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EX void smoothen_line() {
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int Q = isize(v)-1;
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// virtualRebase(v[0], false);
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// virtualRebase(v[Q], false);
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for(int i=0; i<1000; i++) {
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progress(XLAT("Preparing the line (%1/1000)...", its(i+1)));
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for(int j=1; j<Q; j++) if((j^i)&1) {
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// virtualRebase(v[j], false);
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hyperpoint prev = calc_relative_matrix(v[j-1]->base, v[j]->base, C0) *
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v[j-1]->at * C0;
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hyperpoint next = calc_relative_matrix(v[j+1]->base, v[j]->base, C0) *
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v[j+1]->at * C0;
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hyperpoint hmid = mid(prev, next);
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transmatrix at = rgpushxto0(hmid);
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v[j]->at = at * rspintox(inverse(at) * next);
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fixmatrix(v[j]->at);
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}
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}
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hyperpoint next0 = calc_relative_matrix(v[1]->base, v[0]->base, C0) * v[1]->at * C0;
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v[0]->at = v[0]->at * rspintox(inverse(v[0]->at) * next0);
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}
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EX void create(cell *start, cell *target, transmatrix last) {
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if(target == start && !(quotient && isize(path_for_lineanimation) > 1)) {
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addMessage("Must go a distance from the starting point");
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return;
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}
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on = true;
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if(!quotient && !arb::in()) try {
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auto p = build_shortest_path(start, target);
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path_for_lineanimation = p;
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}
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catch(const hr_shortest_path_exception&) {
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addMessage("Could not build a path");
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return;
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}
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for(cell *c: path_for_lineanimation) {
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shmup::monster *m = new shmup::monster;
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m->at = Id;
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m->base = c;
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v.push_back(m);
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}
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v.back()->at = last;
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smoothen_line();
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llv = ticks;
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phase = 0;
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}
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EX void create_playerpath() {
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create(currentmap->gamestart(), cwt.at, Id);
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}
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EX void create_recenter_to_view(bool precise) {
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cell *c = centerover ? centerover : cwt.at;
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create(path_for_lineanimation[0], c, precise ? inverse(unshift(ggmatrix(c))) : Id);
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}
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EX void movetophase() {
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int ph = int(phase);
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int siz = isize(v);
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if(ph<0) ph = 0;
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if(ph >= siz-1) ph = siz-2;
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cell *old = centerover;
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centerover = v[ph]->base;
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ld angle = 0;
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if(WDIM == 3) {
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hyperpoint h = inverse(models::rotmatrix()) * View * hpxy3(1,2,3);
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angle = atan2(h[1], h[2]);
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}
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View = inverse(v[ph]->at);
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if(arb::in() && v[ph]->base->master->emeraldval) View = Mirror * View;
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hyperpoint now = v[ph]->at * C0;
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hyperpoint next = calc_relative_matrix(v[ph+1]->base, v[ph]->base, C0) *
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v[ph+1]->at * C0;
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View = xpush(-(phase-ph) * hdist(now, next)) * View;
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if(WDIM == 2 || prod) {
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View = models::rotmatrix() * View;
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}
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else {
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if(celldistance(v[ph]->base, old) <= 2) {
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hyperpoint h1 = View * currentmap->relative_matrix(old, centerover, C0) * hpxy3(1,2,3);
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ld angle1 = atan2(h1[1], h1[2]);
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View = cspin(2, 1, angle1 - angle) * View;
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}
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View = models::rotmatrix() * View;
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}
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playermoved = false;
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centerover = v[ph]->base;
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compute_graphical_distance();
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}
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EX void apply() {
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int t = ticks;
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phase += (t-llv) * lvspeed / 400.;
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llv = t;
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int siz = isize(v);
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while(phase > siz-1 + extra_line_steps) phase -= (siz + 2 * extra_line_steps-1);
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while(phase < - extra_line_steps) phase += (siz + 2 * extra_line_steps-1);
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movetophase();
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}
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ld measureLength() {
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ld r = bandhalf * pconf.scale;
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ld tpixels = 0;
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int siz = isize(v);
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for(int j=0; j<siz-1; j++) {
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hyperpoint next =
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inverse(v[j]->at) *
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calc_relative_matrix(v[j+1]->base, v[j]->base, C0) *
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v[j+1]->at * C0;
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hyperpoint nextscr;
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applymodel(shiftless(next), nextscr);
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tpixels += nextscr[0] * r;
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if(j == 0 || j == siz-2)
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tpixels += nextscr[0] * r * extra_line_steps;
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}
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return tpixels;
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}
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void restore();
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void restoreBack();
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#if CAP_SHOT && CAP_SDL
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string band_format_now = "bandmodel-$DATE-$ID" IMAGEEXT;
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string band_format_auto = "bandmodel-$DATE-$ID" IMAGEEXT;
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#endif
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#if CAP_SDL
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EX void createImage(const string& name_format, bool dospiral) {
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int segid = 1;
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if(includeHistory) restore();
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int bandfull = 2*bandhalf;
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ld len = measureLength();
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time_t timer;
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timer = time(NULL);
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char timebuf[128];
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strftime(timebuf, 128, "%y%m%d-%H%M%S", localtime(&timer));
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vector<SDL_Surface*> bands;
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resetbuffer rbuf;
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if(1) {
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// block for RAII
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dynamicval<videopar> dv(vid, vid);
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dynamicval<ld> dr(models::rotation, 0);
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dynamicval<bool> di(inHighQual, true);
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renderbuffer glbuf(bandfull, bandfull, vid.usingGL);
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vid.xres = vid.yres = bandfull;
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glbuf.enable(); current_display->radius = bandhalf;
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calcparam();
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ld xpos = 0;
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int seglen = min(int(len), bandsegment);
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SDL_Surface *band = SDL_CreateRGBSurface(SDL_SWSURFACE, seglen, bandfull,32,0,0,0,0);
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auto save_band_segment = [&] {
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string fname = name_format;
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replace_str(fname, "$DATE", timebuf);
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replace_str(fname, "$ID", format("%03d", segid++));
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IMAGESAVE(band, fname.c_str());
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if(dospiral)
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bands.push_back(band);
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else
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SDL_FreeSurface(band);
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};
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if(!band) {
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addMessage("Could not create an image of that size.");
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}
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else {
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int siz = isize(v);
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int bonus = ceil(extra_line_steps);
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cell *last_base = NULL;
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hyperpoint last_relative;
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for(int j=-bonus; j<siz+bonus; j++) {
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/*
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SDL_Surface *buffer = s;
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s = sav;
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pushScreen(progress_screen);
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char buf[128];
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sprintf(buf, "#%03d", segid);
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progress(s0 + buf + " ("+its(j+bonus)+"/"+its(siz+bonus+bonus-1)+")"); */
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// calcparam(); current_display->radius = bandhalf;
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phase = j; movetophase();
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glbuf.clear(backcolor);
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drawfullmap();
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if(last_base) {
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shiftpoint last = ggmatrix(last_base) * last_relative;
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hyperpoint hscr;
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applymodel(last, hscr);
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ld bwidth = -current_display->radius * hscr[0];
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println(hlog, "bwidth = ", bwidth, "/", len, " : ", xpos, "..", xpos+bwidth);
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drawsegment:
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SDL_Surface *gr = glbuf.render();
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for(int cy=0; cy<bandfull; cy++) for(int cx=0; cx<=bwidth+3; cx++)
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qpixel(band, int(xpos+cx), cy) = qpixel(gr, int(bandhalf+cx-bwidth), cy);
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if(j == 1-bonus)
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xpos = bwidth * (extra_line_steps - bonus);
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if(xpos+bwidth > bandsegment) {
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save_band_segment();
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len -= bandsegment; xpos -= bandsegment;
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seglen = min(int(len), bandsegment);
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band = SDL_CreateRGBSurface(SDL_SWSURFACE, seglen, bandfull,32,0,0,0,0);
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goto drawsegment;
|
|
}
|
|
xpos += bwidth;
|
|
}
|
|
|
|
last_base = centerover;
|
|
last_relative = tC0(v[j]->at);
|
|
}
|
|
}
|
|
|
|
save_band_segment();
|
|
}
|
|
|
|
rbuf.reset();
|
|
|
|
if(includeHistory) restoreBack();
|
|
|
|
if(dospiral) {
|
|
spiral::loop(bands);
|
|
for(int i=0; i<isize(bands); i++) SDL_FreeSurface(bands[i]);
|
|
}
|
|
}
|
|
|
|
EX void open_filedialog_to_create_image(bool ds) {
|
|
#if CAP_SHOT && CAP_SDL
|
|
dialog::openFileDialog(band_format_now, XLAT("rendered band ($ID=segment, $DATE=date)"), ".png", [ds] () {
|
|
createImage(band_format_now, ds);
|
|
return true;
|
|
});
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
EX bool band_renderable_now() {
|
|
return on && (pmodel == mdBand || pmodel == mdBandEquidistant || pmodel == mdBandEquiarea) && !euclid && !sphere;
|
|
}
|
|
|
|
EX void history_menu() {
|
|
cmode = sm::SIDE | sm::MAYDARK;
|
|
gamescreen();
|
|
|
|
dialog::init(XLAT("history mode"));
|
|
|
|
dialog::addBoolItem(XLAT("include history"), (includeHistory), 'i');
|
|
|
|
// bool notconformal0 = (pmodel >= 5 && pmodel <= 6) && !euclid;
|
|
// bool notconformal = notconformal0 || abs(pconf.alpha-1) > 1e-3;
|
|
|
|
dialog::addSelItem(XLAT("projection"), current_proj_name(), 'm');
|
|
|
|
dialog::addBoolItem(XLAT("animate from start to current player position"), (on), 'e');
|
|
dialog::addBoolItem(XLAT("animate from last recenter to current view"), (on), 'E');
|
|
dialog::addBoolItem(XLAT("animate from last recenter to precise current view"), (on), 'E'-64);
|
|
|
|
if(saved_ends == 0)
|
|
dialog::addItem(XLAT("save the animation starting point"), '1');
|
|
else if(saved_ends == 1)
|
|
dialog::addItem(XLAT("animate from the starting point"), '1');
|
|
else
|
|
dialog::addItem(XLAT("reset animation"), '1');
|
|
dialog::add_action(save_end);
|
|
|
|
if(on) dialog::addSelItem(XLAT("animation speed"), fts(lvspeed), 'a');
|
|
else dialog::addBreak(100);
|
|
dialog::addSelItem(XLAT("extend the ends"), fts(extra_line_steps), 'p');
|
|
|
|
#if CAP_SDL
|
|
dialog::addBoolItem(XLAT("render bands automatically"), (autoband), 'o');
|
|
if(autoband)
|
|
dialog::addBoolItem(XLAT("include history when auto-rendering"), (autobandhistory), 'j');
|
|
|
|
if(band_renderable_now() || autoband) {
|
|
dialog::addSelItem(XLAT("band width"), "2*"+its(bandhalf), 'd');
|
|
dialog::addSelItem(XLAT("length of a segment"), its(bandsegment), 's');
|
|
dialog::addBoolItem(XLAT("spiral on rendering"), (dospiral), 'g');
|
|
if(band_renderable_now())
|
|
dialog::addItem(XLAT("render now (length: %1)", fts(measureLength())), 'f');
|
|
}
|
|
else if(!on) ;
|
|
else if(!hyperbolic)
|
|
dialog::addInfo(XLAT("more options in hyperbolic geometry"));
|
|
else if(!among(pmodel, mdBand, mdBandEquiarea, mdBandEquidistant))
|
|
dialog::addInfo(XLAT("more options in band projections"));
|
|
|
|
#endif
|
|
|
|
dialog::addBack();
|
|
dialog::display();
|
|
mouseovers = XLAT("see http://www.roguetemple.com/z/hyper/models.php");
|
|
keyhandler = handleKeyC;
|
|
}
|
|
|
|
void handleKeyC(int sym, int uni) {
|
|
dialog::handleNavigation(sym, uni);
|
|
|
|
if(uni == 'e' || uni == 'E' || uni == 'E'-64) {
|
|
if(on) clear();
|
|
else {
|
|
if(!allowIncreasedSight()) {
|
|
addMessage("Enable cheat mode or GAME OVER to use this");
|
|
return;
|
|
}
|
|
if(cheater) cheater++;
|
|
if(uni == 'E') create_recenter_to_view(false);
|
|
else if(uni == 'E'-64) create_recenter_to_view(true);
|
|
else create_playerpath();
|
|
}
|
|
}
|
|
else if(uni == 'o') {
|
|
autoband = !autoband;
|
|
#if CAP_SHOT && CAP_SDL
|
|
if(autoband)
|
|
dialog::openFileDialog(band_format_auto, XLAT("filename format to use ($ID=segment, $DATE=date)"), ".png", [] () { return true; });
|
|
#endif
|
|
}
|
|
else if(uni == 'm')
|
|
pushScreen(models::model_menu);
|
|
else if(uni == 'a')
|
|
dialog::editNumber(lvspeed, -5, 5, .1, 1, XLAT("animation speed"), "");
|
|
else if(uni == 'd') {
|
|
dialog::editNumber(bandhalf, 5, 1000, 5, 200, XLAT("band width"), "");
|
|
dialog::bound_low(5);
|
|
}
|
|
else if(uni == 's') {
|
|
dialog::editNumber(bandsegment, 500, 32000, 500, 16000, XLAT("band segment"), "");
|
|
dialog::bound_low(500);
|
|
}
|
|
else if(uni == 'p')
|
|
dialog::editNumber(extra_line_steps, 0, 5, 1, 1, XLAT("extend the ends"),
|
|
"0 = start at the game start, endat the end position; "
|
|
"larger numbers give extra space at the ends."
|
|
);
|
|
else if(uni == 'g') { dospiral = !dospiral; }
|
|
else if(uni == 'i') {
|
|
if(!allowIncreasedSight()) {
|
|
addMessage("Enable cheat mode or GAME OVER to use this");
|
|
return;
|
|
}
|
|
if(cheater) cheater++;
|
|
includeHistory = !includeHistory;
|
|
}
|
|
#if CAP_SDL
|
|
else if(uni == 'f' && band_renderable_now())
|
|
open_filedialog_to_create_image(dospiral);
|
|
else if(uni == 'j')
|
|
autobandhistory = !autobandhistory;
|
|
#endif
|
|
else if(doexiton(sym, uni)) popScreen();
|
|
}
|
|
|
|
EX set<cell*> inmovehistory, inkillhistory, infindhistory;
|
|
|
|
EX void restore() {
|
|
inmovehistory.clear();
|
|
inkillhistory.clear();
|
|
infindhistory.clear();
|
|
for(int i=0; i<isize(movehistory); i++)
|
|
inmovehistory.insert(movehistory[i]);
|
|
int sk = isize(killhistory);
|
|
for(int i=0; i<sk; i++) {
|
|
eMonster m = killhistory[i].second;
|
|
killhistory[i].second = killhistory[i].first->monst;
|
|
killhistory[i].first->monst = m;
|
|
inkillhistory.insert(killhistory[i].first);
|
|
}
|
|
int si = isize(findhistory);
|
|
for(int i=0; i<si; i++) {
|
|
eItem m = findhistory[i].second;
|
|
findhistory[i].second = findhistory[i].first->item;
|
|
findhistory[i].first->item = m;
|
|
infindhistory.insert(findhistory[i].first);
|
|
}
|
|
}
|
|
|
|
EX void restoreBack() {
|
|
int sk = isize(killhistory);
|
|
for(int i=sk-1; i>=0; i--) {
|
|
eMonster m = killhistory[i].second;
|
|
killhistory[i].second = killhistory[i].first->monst;
|
|
killhistory[i].first->monst = m;
|
|
}
|
|
int si = isize(findhistory);
|
|
for(int i=si-1; i>=0; i--) {
|
|
eItem m = findhistory[i].second;
|
|
findhistory[i].second = findhistory[i].first->item;
|
|
findhistory[i].first->item = m;
|
|
}
|
|
}
|
|
|
|
EX void renderAutoband() {
|
|
#if CAP_SDL && CAP_SHOT
|
|
if(!cwt.at || celldist(cwt.at) <= 7) return;
|
|
if(!autoband) return;
|
|
eModel spm = pmodel;
|
|
bool ih = includeHistory;
|
|
includeHistory = autobandhistory;
|
|
pmodel = mdBand;
|
|
create_playerpath();
|
|
createImage(band_format_auto, dospiral);
|
|
clear();
|
|
pmodel = spm;
|
|
includeHistory = ih;
|
|
#endif
|
|
}
|
|
|
|
auto hookArg = arg::add3("-playerpath", history::create_playerpath);
|
|
|
|
auto hooks = addHook(hooks_clearmemory, 0, [] () {
|
|
history::renderAutoband();
|
|
history::on = false;
|
|
history::killhistory.clear();
|
|
history::findhistory.clear();
|
|
history::movehistory.clear();
|
|
history::path_for_lineanimation.clear();
|
|
history::saved_ends = 0;
|
|
history::includeHistory = false;
|
|
}) + addHook(hooks_configfile, 0, [] {
|
|
|
|
addsaver(autobandhistory, "include history"); // check!
|
|
param_f(lvspeed, "lvspeed", "lineview speed");
|
|
addsaver(extra_line_steps, "lineview extension");
|
|
|
|
addsaver(bandhalf, "band width");
|
|
addsaver(bandsegment, "band segment");
|
|
addsaver(autoband, "automatic band");
|
|
addsaver(autobandhistory, "automatic band history");
|
|
addsaver(dospiral, "do spiral");
|
|
|
|
#if CAP_SHOT && CAP_SDL
|
|
addsaver(band_format_auto, "band_format_auto");
|
|
addsaver(band_format_now, "band_format_now");
|
|
#endif
|
|
});
|
|
|
|
}
|
|
|
|
}
|