power_play/src/app.c
2024-02-29 16:01:51 -06:00

157 lines
3.9 KiB
C

#include "app.h"
#include "arena.h"
#include "string.h"
#include "scratch.h"
#include "sys.h"
#include "work.h"
#include "user.h"
#include "game.h"
#include "playback.h"
#include "log.h"
#include "console.h"
#include "resource.h"
#include "asset_cache.h"
#include "font.h"
#include "texture.h"
#include "ttf.h"
#include "sheet.h"
#include "mixer.h"
#include "sound.h"
#include "util.h"
#include "settings.h"
#include "draw.h"
#define WRITE_DIR "power_play"
GLOBAL struct {
struct arena arena;
struct string write_path;
struct sync_flag quit_sf;
} L = { 0 } DEBUG_LVAR(L_app);
/* ========================== *
* Write directory
* ========================== */
INTERNAL struct string initialize_write_directory(struct arena *arena, struct string write_dir)
{
struct temp_arena scratch = scratch_begin(arena);
/* Create write path */
struct string base_write_dir = sys_get_write_path(scratch.arena);
struct string write_path_fmt = base_write_dir.len > 0 ? STR("%F/%F/") : STR("%F%F/");
struct string write_path = string_format(
arena,
write_path_fmt,
FMT_STR(base_write_dir),
FMT_STR(write_dir)
);
/* Create write dir if not present */
if (!sys_is_dir(write_path)) {
sys_mkdir(write_path);
/* TODO: handle failure */
}
scratch_end(scratch);
return write_path;
}
struct string app_write_path_cat(struct arena *arena, struct string filename)
{
return string_cat(arena, L.write_path, filename);
}
/* ========================== *
* Entry point
* ========================== */
void app_entry_point(void)
{
L.quit_sf = sync_flag_alloc();
u32 worker_count = 4;
{
/* FIXME: Switch this on to utilize all cores. Only decreasing worker count for testing purposes. */
#if !PROFILING && !RTC
/* 1. User thread, Input thread
* 2. Game thread
* 3. Playback thread
*/
u32 num_reserved_cores = 3;
i32 min_worker_count = 2;
i32 max_worker_count = 512;
i32 target_worker_count = (i32)sys_num_logical_processors() - num_reserved_cores;
worker_count = (u32)clamp_i32(target_worker_count, min_worker_count, max_worker_count);
#endif
}
L.arena = arena_alloc(GIGABYTE(64));
L.write_path = initialize_write_directory(&L.arena, STR(WRITE_DIR));
/* Startup logging */
{
struct temp_arena scratch = scratch_begin_no_conflict();
struct string logfile_path = app_write_path_cat(scratch.arena, STR("log.txt"));
log_startup(logfile_path);
scratch_end(scratch);
}
logf_info("Startup");
console_startup();
/* Startup window & renderer */
struct sys_window window = sys_window_alloc();
/* Read window settings from file */
struct sys_window_settings window_settings = settings_default_window_settings(&window);
settings_read_from_file(&window_settings);
sys_window_update_settings(&window, &window_settings);
renderer_startup(&window);
/* Startup subsystems */
resource_startup();
asset_cache_startup();
ttf_startup();
font_startup();
texture_startup();
sheet_startup();
mixer_startup();
sound_startup();
draw_startup();
/* Startup threaded systems */
user_startup(&window);
work_startup(worker_count);
game_startup();
playback_startup();
sys_window_show(&window);
/* Wait for app_quit() */
sync_flag_wait(&L.quit_sf);
/* Shutdown threaded systems */
/* FIXME: Only wait on threads for a certain period of time before
* forcing process exit (to prevent process hanging in the background
* when a thread gets stuck) */
playback_shutdown();
game_shutdown();
work_shutdown();
user_shutdown();
/* Write window settings to file */
struct sys_window_settings settings = sys_window_get_settings(&window);
settings_write_to_file(&settings);
logf_info("Program exited normally");
}
void app_quit(void)
{
sync_flag_set(&L.quit_sf);
}