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/*
*
* Copyright (C) 2026 andromeda
*
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
module main;
import std::io;
import std::os;
import rgfw;
import rsgl;
import rfont;
import libc::termios;
faultdef FAIL_OPENPTY, FAIL_FORK;
char[*] font_data = $embed("Miracode.ttf");
fn Window* init()
{
GlHints* hints = rgfw::getGlobalHints();
hints.major = 3;
hints.minor = 3;
hints.profile = GlProfile.COMPATIBILITY;
rgfw::setGlobalHints(hints);
return rgfw::createWindow("window title", 0, 0, 800, 400, WindowFlags.CENTER | WindowFlags.NO_RESIZE | WindowFlags.OPENGL);
}
fn int? init_tty()
{
int master;
int slave;
if (openpty(&master, &slave, null, null, null) < 0) return FAIL_OPENPTY~;
Pid_t f = fork();
switch (f)
{
case -1:
return FAIL_FORK~;
case 0: // child
dup2(slave, 0);
dup2(slave, 1);
dup2(slave, 2);
os::exit(execvp(getenv("SHELL"), {null}));
default: // parent
return master;
}
}
fn int main(String[] args)
{
init_tty()!!;
Window* window = init();
rsgl::Renderer* renderer = rsgl::renderer_init(rsgl::gl::rendererProc(), &rgfw::getProcAddress);
rsgl::renderer_viewport(renderer, rsgl::@rect(0,0,500,500));
rsgl::renderer_updateSize(renderer, 500, 500);
rfont::Renderer* renderer_rfont = rsgl::rfont::renderer_init(renderer);
Font* font = rfont::font_init_data(renderer_rfont, &font_data, 60, 500, 500);
int w;
int h;
while (!rgfw::window_shouldClose(window))
{
rgfw::pollEvents();
rgfw::window_getSize(window, &w, &h);
rsgl::renderer_clear(renderer, rsgl::@rgb(125,25,75));
rsgl::renderer_viewport(renderer, rsgl::@rect(0,0,w,h));
rfont::renderer_set_framebuffer(renderer_rfont, w, h);
rfont::renderer_set_color(renderer_rfont, 1, 1, 1, 1);
rfont::draw_text(renderer_rfont, font, "smth hedgehog C3 idk", 0, 10, 60);
rsgl::renderer_render(renderer);
rgfw::window_swapBuffers(window);
}
rgfw::window_close(window);
return(0);
}
struct Winsize
{
ushort ws_row;
ushort ws_column;
ushort ws_xpixel;
ushort ws_ypixel;
}
extern fn CInt dup2(CInt, CInt);
extern fn CInt execvp(ZString, ZString[]);
extern fn Pid_t fork();
extern fn ZString getenv(ZString);
extern fn CInt openpty(CInt*, CInt*, ZString, Termios*, Winsize*);
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