mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-14 17:34:47 +00:00
323 lines
7.8 KiB
C++
323 lines
7.8 KiB
C++
// Hyperbolic Rogue
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// This is the main file when the online version of HyperRogue is compiled with Emscripten.
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// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
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#ifndef ISWEB
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#define ISWEB 1
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#define ISMINI 0
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#define CAP_INV 0
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#define CAP_URL 1
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#define GLES_ONLY
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#define SCU
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#endif
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#if CAP_ROGUEVIZ || defined(MAXMDIM)
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#define MAXMDIM 4
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#else
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#define MAXMDIM 3
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#endif
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// we want newconformist, but we don't want CAP_GD there
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#define CAP_NCONF 1
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#define CAP_GD 0
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#ifndef EMSCRIPTEN
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#define EMSCRIPTEN
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#endif
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#ifdef FAKEWEB
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namespace hr { void mainloopiter(); }
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template<class A, class B, class C> void emscripten_set_main_loop(A a, B b, C c) { while(true) mainloopiter(); }
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#else
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#include <emscripten.h>
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#include <emscripten/html5.h>
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#endif
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#include <string>
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namespace hr {
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void initweb();
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void emscripten_get_commandline();
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void loadCompressedChar(int &otwidth, int &otheight, int *tpix);
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void get_canvas_size();
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const char *wheresounds;
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std::string get_value(std::string name);
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void offer_download(std::string sfilename, std::string smimetype);
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}
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#ifdef SCU
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#include "hyper.cpp"
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#else
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#include "hyper.h"
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#endif
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namespace hr {
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string get_value(string name) {
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char *str = (char*)EM_ASM_INT({
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var name = UTF8ToString($0, $1);
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var value = document.getElementById(name).value;
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var lengthBytes = lengthBytesUTF8(value)+1;
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var stringOnWasmHeap = _malloc(lengthBytes);
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stringToUTF8(value, stringOnWasmHeap, lengthBytes);
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return stringOnWasmHeap;
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}, name.c_str(), int(name.size())
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);
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string res = str;
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free(str);
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return res;
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}
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EX void offer_download(string sfilename, string smimetype) {
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EM_ASM({
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var name = UTF8ToString($0, $1);
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var mime = UTF8ToString($2, $3);
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let content = Module.FS.readFile(name);
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console.log(`Offering download of "${name}", with ${content.length} bytes...`);
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var a = document.createElement('a');
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a.download = name;
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a.href = URL.createObjectURL(new Blob([content], {type: mime}));
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a.style.display = 'none';
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document.body.appendChild(a);
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a.click();
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setTimeout(() => {
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document.body.removeChild(a);
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URL.revokeObjectURL(a.href);
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}, 2000);
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}, sfilename.c_str(), isize(sfilename), smimetype.c_str(), isize(smimetype)
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);
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}
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reaction_t on_use_file = [] {};
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extern "C" {
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void use_file() {
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on_use_file();
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}
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}
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EX void offer_choose_file(reaction_t r) {
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on_use_file = r;
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EM_ASM({
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fileElem.click();
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});
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}
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// -- demo --
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#if CAP_URL
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EX void open_url(string s) {
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EM_ASM_({
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window.open(UTF8ToString($0, 1000));
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}, s.c_str());
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}
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#endif
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// window.open(Pointer_stringify($0));
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bool demoanim;
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void toggleanim(bool v) {
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demoanim = v;
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if(v) {
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sightrange_bonus = -3;
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vid.wallmode = 5;
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vid.particles = true;
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vid.sspeed = -1;
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vid.mspeed = -1;
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vid.highdetail = vid.middetail = 5;
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}
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else {
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sightrange_bonus = 0;
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vid.sspeed = 5;
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vid.mspeed = 5;
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vid.particles = false;
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vid.wallmode = 3;
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vid.highdetail = vid.middetail = -1;
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}
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}
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void showDemo() {
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gamescreen(2);
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getcstat = ' ';
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dialog::init(XLAT("HyperRogue %1: online demo", VER), 0xC00000, 200, 100);
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dialog::addBreak(50);
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dialog::addItem(XLAT("play the game"), 'f');
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dialog::addItem(XLAT("learn about hyperbolic geometry"), 'T');
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dialog::addHelp();
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// dialog::addItem(XLAT("toggle high detail"), 'a');
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dialog::addBreak(100);
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dialog::addTitle("highlights", 0xC00000, 120);
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dialog::addItem(XLAT("Temple of Cthulhu"), 't');
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dialog::addItem(XLAT("Land of Storms"), 'l');
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dialog::addItem(XLAT("Burial Grounds"), 'b');
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dialog::display();
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keyhandler = [] (int sym, int uni) {
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dialog::handleNavigation(sym, uni);
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if(sym == SDLK_F1 || uni == 'h') gotoHelp(help);
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else if(uni == 'a') {
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toggleanim(!demoanim);
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popScreen();
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}
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else if(uni == 'f') {
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firstland = laIce;
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restart_game(tactic::on ? rg::tactic : rg::nothing);
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}
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#if CAP_TOUR
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else if(uni == 'T') {
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firstland = laIce;
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if(!tour::on) tour::start();
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}
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#endif
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else if(uni == 't') {
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firstland = laTemple;
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restart_game(tactic::on ? rg::tactic : rg::nothing);
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}
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else if(uni == 'l') {
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firstland = laStorms;
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restart_game(tactic::on ? rg::tactic : rg::nothing);
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}
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else if(uni == 'b') {
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firstland = laBurial;
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restart_game(tactic::on ? rg::tactic : rg::nothing);
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items[itOrbSword] = 60;
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}
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};
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}
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int bak_xres, bak_yres;
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EM_BOOL fsc_callback(int eventType, const EmscriptenFullscreenChangeEvent *fullscreenChangeEvent, void *userData) {
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if(fullscreenChangeEvent->isFullscreen) {
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bak_xres = vid.xres;
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bak_yres = vid.yres;
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vid.xres = vid.xscr = fullscreenChangeEvent->screenWidth;
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vid.yres = vid.yscr = fullscreenChangeEvent->screenHeight;
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vid.full = true;
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printf("set to %d x %d\n", vid.xres, vid.yres);
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setvideomode();
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}
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else {
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vid.xres = vid.xscr = bak_xres;
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vid.yres = vid.yscr = bak_yres;
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vid.full = true;
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printf("reset to %d x %d\n", vid.xres, vid.yres);
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setvideomode();
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}
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return true;
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}
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EX void get_canvas_size() {
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vid.xscr = vid.xres = EM_ASM_INT({
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var d = document.getElementById("this_wide");
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if(!d) return window.innerWidth;
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return d.clientWidth;
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});
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if(vid.full) vid.yscr = vid.yres = EM_ASM_INT({
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var d = document.getElementById("this_wide");
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if(!d) return window.innerWidth;
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return d.clientHeight;
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});
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else {
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vid.xscr = vid.xres = vid.xres - 32;
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vid.yscr = vid.yres = EM_ASM_INT({
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return window.innerHeight;
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}) - 32;
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vid.yscr = vid.yres = min(vid.yscr, vid.xscr * 9 / 16);
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vid.xscr = vid.xres = min(vid.xscr, vid.yscr * 16 / 9);
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}
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println(hlog, "X = ", vid.xscr, " Y = ", vid.yscr);
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}
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EM_BOOL resize_callback(int eventType, const EmscriptenUiEvent *resizeEvent, void *userData) {
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if(vid.full) return true;
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get_canvas_size();
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setvideomode();
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return true;
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}
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EX void initweb() {
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// toggleanim(false);
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emscripten_set_fullscreenchange_callback(0, NULL, false, fsc_callback);
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emscripten_set_resize_callback(0, NULL, false, resize_callback);
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printf("showstartmenu = %d\n", showstartmenu);
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if(showstartmenu) pushScreen(showDemo);
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}
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#if CAP_ORIENTATION
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transmatrix getOrientation() {
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ld alpha, beta, gamma;
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alpha = EM_ASM_DOUBLE({ return rotation_alpha; });
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beta = EM_ASM_DOUBLE({ return rotation_beta; });
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gamma = EM_ASM_DOUBLE({ return rotation_gamma; });
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return
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cspin(0, 1, alpha * degree) *
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cspin(1, 2, beta * degree) *
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cspin(0, 2, gamma * degree);
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}
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#endif
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EX void emscripten_get_commandline() {
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#ifdef EMSCRIPTEN_FIXED_ARG
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string s = EMSCRIPTEN_FIXED_ARG;
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#else
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char *str = (char*)EM_ASM_INT({
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var jsString = document.location.href;
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if (typeof(default_arg) != 'undefined' && jsString.indexOf('?') == -1)
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jsString = default_arg;
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var lengthBytes = lengthBytesUTF8(jsString)+1;
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var stringOnWasmHeap = _malloc(lengthBytes);
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stringToUTF8(jsString, stringOnWasmHeap, lengthBytes+1);
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return stringOnWasmHeap;
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});
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string s = str;
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#endif
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s += "+xxxxxx";
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for(int i=0; i<isize(s); i++) if(s[i] == '?') {
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#ifndef EMSCRIPTEN_FIXED_ARG
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printf("HREF: %s\n", str);
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#endif
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arg::argument.push_back("hyperweb"); arg::lshift();
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string next = ""; i += 3;
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for(; i<isize(s); i++) {
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if(s[i] == '+') {
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arg::argument.push_back(next);
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next = "";
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}
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else if(s[i] == '%') {
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string s2 = "";
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s2 += s[i+1];
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s2 += s[i+2];
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i += 2;
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next += strtol(s2.c_str(), NULL, 16);
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}
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else if(s[i] == '&') {
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arg::argument.push_back(next); break;
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}
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else next += s[i];
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}
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printf("Arguments:"); for(string s: arg::argument) printf(" %s", s.c_str()); printf("\n");
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break;
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}
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#ifndef EMSCRIPTEN_FIXED_ARG
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free(str);
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#endif
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}
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}
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