388 lines
7.5 KiB
C
388 lines
7.5 KiB
C
#include "yugine.h"
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#include "camera.h"
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#include "font.h"
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#include "gameobject.h"
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#include "input.h"
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#include "render.h"
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#include "window.h"
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#include "sound.h"
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#include "resources.h"
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#include "datastream.h"
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#include "timer.h"
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#include "quickjs/quickjs.h"
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#include "ffi.h"
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#include "script.h"
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#include "log.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "2dphysics.h"
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#ifdef __GLIBC__
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#include <execinfo.h>
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#endif
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#include <signal.h>
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#include <time.h>
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#include "string.h"
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#include "nuklear.h"
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#include "sokol/sokol_gfx.h"
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#include "sokol/sokol_nuklear.h"
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#define SOKOL_TRACE_HOOKS
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#define SOKOL_IMPL
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#include "sokol/sokol_app.h"
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#include "sokol/sokol_audio.h"
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#include "sokol/sokol_time.h"
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#define STB_DS_IMPLEMENTATION
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#include <stb_ds.h>
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#define STB_TRUETYPE_IMPLEMENTATION
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#include <stb_truetype.h>
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#define STB_IMAGE_IMPLEMENTATION
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#define STBI_FAILURE_USERMSG
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#define STBI_NO_SIMD
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#include "stb_image.h"
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#define STBIR_DEFAULT_FILTER_DOWNSAMPLE STBIR_FILTER_BOX
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#include "stb_image_write.h"
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#define PL_MPEG_IMPLEMENTATION
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#include <pl_mpeg.h>
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#include "debug.h"
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static struct d_prof prof_draw;
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static struct d_prof prof_update;
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static struct d_prof prof_input;
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static struct d_prof prof_physics;
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double physlag = 0;
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int render_dirty = 0;
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double physMS = 1 / 60.f;
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static int phys_step = 0;
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double appTime = 0;
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static float timescale = 1.f;
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#define SIM_PLAY 0
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#define SIM_PAUSE 1
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#define SIM_STEP 2
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static int sim_play = SIM_PLAY;
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#ifdef __TINYC__
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int backtrace(void **buffer, int size) {
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extern uint64_t *__libc_stack_end;
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uint64_t **p, *bp, *frame;
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asm ("mov %%rbp, %0;" : "=r" (bp));
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p = (uint64_t**) bp;
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int i = 0;
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while (i < size) {
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frame = p[0];
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if (frame < bp || frame > __libc_stack_end) {
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return i;
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}
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buffer[i++] = p[1];
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p = (uint64_t**) frame;
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}
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return i;
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}
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#endif
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void print_stacktrace() {
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#ifdef __GLIBC__
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void *ents[512];
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size_t size = backtrace(ents, 512);
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YughCritical("====================BACKTRACE====================");
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char **stackstr = backtrace_symbols(ents, size);
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YughCritical("Stack size is %d.", size);
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for (int i = 0; i < size; i++)
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YughCritical(stackstr[i]);
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js_stacktrace();
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#endif
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}
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void seghandle(int sig) {
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#ifdef __GLIBC__
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if (strsignal(sig))
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YughCritical("CRASH! Signal: %s.", strsignal(sig));
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print_stacktrace();
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exit(1);
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#endif
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}
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const char *engine_info()
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{
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static char str[100];
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snprintf(str, 100, "Yugine version %s, %s build.\nCopyright 2022-2023 odplot productions LLC.\n", VER, INFO);
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return str;
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}
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static int argc;
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static char **args;
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void c_init() {
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render_init();
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script_evalf("initialize();");
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}
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int frame_fps() {
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return 1.0/sapp_frame_duration();
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}
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static double low_fps = 1/24.0; /* Chosen because of apple's 24 hz mode */
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static double low_fps_c = 0.0;
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void c_frame()
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{
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double elapsed = sapp_frame_duration();
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appTime += elapsed;
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low_fps_c += elapsed;
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input_poll(0);
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timer_update(elapsed, timescale);
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if (sim_play == SIM_PLAY || sim_play == SIM_STEP) {
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prof_start(&prof_update);
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call_updates(elapsed * timescale);
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prof(&prof_update);
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physlag += elapsed;
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while (physlag >= physMS) {
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prof_start(&prof_physics);
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phys_step = 1;
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physlag -= physMS;
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phys2d_update(physMS * timescale);
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call_physics(physMS * timescale);
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if (sim_play == SIM_STEP) sim_pause();
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phys_step = 0;
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prof(&prof_physics);
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}
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if (sim_play == SIM_STEP) {
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sim_pause();
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render_dirty = 1;
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}
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low_fps_c = 0.0f;
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}
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if (sim_play == SIM_PLAY || render_dirty || low_fps_c >= low_fps) {
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prof_start(&prof_draw);
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window_render(&mainwin);
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prof(&prof_draw);
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render_dirty = 0;
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}
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gameobjects_cleanup();
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}
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void c_clean() {
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gif_rec_end("crash.gif");
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};
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void c_event(const sapp_event *e)
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{
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render_dirty = 1;
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#ifndef NO_EDITOR
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snk_handle_event(e);
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#endif
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switch (e->type) {
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case SAPP_EVENTTYPE_MOUSE_MOVE:
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input_mouse_move(e->mouse_x, e->mouse_y, e->mouse_dx, e->mouse_dy);
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break;
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case SAPP_EVENTTYPE_MOUSE_SCROLL:
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input_mouse_scroll(e->scroll_x, e->scroll_y);
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break;
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case SAPP_EVENTTYPE_KEY_DOWN:
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input_btn(e->key_code, e->key_repeat ? INPUT_REPEAT : INPUT_DOWN, e->modifiers);
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break;
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case SAPP_EVENTTYPE_KEY_UP:
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input_btn(e->key_code, INPUT_UP, e->modifiers);
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break;
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case SAPP_EVENTTYPE_MOUSE_UP:
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input_mouse(e->mouse_button, INPUT_UP, e->modifiers);
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break;
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case SAPP_EVENTTYPE_MOUSE_DOWN:
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input_mouse(e->mouse_button, INPUT_DOWN, e->modifiers);
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break;
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case SAPP_EVENTTYPE_CHAR:
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input_key(e->char_code, e->modifiers);
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break;
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case SAPP_EVENTTYPE_RESIZED:
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window_resize(e->window_width, e->window_height);
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break;
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case SAPP_EVENTTYPE_ICONIFIED:
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window_iconified(1);
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break;
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case SAPP_EVENTTYPE_RESTORED:
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window_iconified(0);
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break;
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case SAPP_EVENTTYPE_FOCUSED:
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window_focused(1);
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break;
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case SAPP_EVENTTYPE_UNFOCUSED:
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window_focused(0);
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break;
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case SAPP_EVENTTYPE_SUSPENDED:
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window_suspended(1);
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break;
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case SAPP_EVENTTYPE_QUIT_REQUESTED:
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window_quit();
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break;
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}
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}
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int sim_playing() { return sim_play == SIM_PLAY; }
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int sim_paused() { return sim_play == SIM_PAUSE; }
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void sim_start() {
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sim_play = SIM_PLAY;
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}
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void sim_pause() {
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sim_play = SIM_PAUSE;
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}
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int phys_stepping() { return sim_play == SIM_STEP; }
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void sim_step() {
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sim_play = SIM_STEP;
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}
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void set_timescale(float val) {
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timescale = val;
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}
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double get_timescale()
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{
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return timescale;
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}
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static sapp_desc start_desc = {
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.width = 720,
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.height = 1080,
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.high_dpi = 0,
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.sample_count = 1,
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.fullscreen = 1,
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.window_title = "Yugine",
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.enable_clipboard = false,
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.clipboard_size = 0,
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.enable_dragndrop = true,
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.max_dropped_files = 1,
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.max_dropped_file_path_length = 2048,
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.init_cb = c_init,
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.frame_cb = c_frame,
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.cleanup_cb = c_clean,
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.event_cb = c_event,
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.logger.func = sg_logging,
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};
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void app_name(char *name)
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{
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start_desc.window_title = strdup(name);
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}
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sapp_desc sokol_main(int argc, char **argv) {
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#ifndef NDEBUG
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log_init();
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#ifdef __linux__
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int logout = 0;
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if (logout) {
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time_t now = time(NULL);
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char fname[100];
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snprintf(fname, 100, "yugine-%d.log", now);
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log_setfile(fname);
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}
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YughInfo("Starting yugine version %s.", VER);
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FILE *sysinfo = NULL;
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/* sysinfo = popen("uname -a", "r");
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if (!sysinfo) {
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YughWarn("Failed to get sys info.");
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} else {
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log_cat(sysinfo);
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pclose(sysinfo);
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}*/
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signal(SIGSEGV, seghandle);
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signal(SIGABRT, seghandle);
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signal(SIGFPE, seghandle);
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signal(SIGBUS, seghandle);
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#endif
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#endif
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stm_setup(); /* time */
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resources_init();
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phys2d_init();
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script_startup();
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script_dofile("scripts/engine.js");
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int argsize = 0;
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for (int i = 0; i < argc; i++) {
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argsize += strlen(argv[i]);
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if (argc > i+1) argsize++;
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}
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char cmdstr[argsize];
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cmdstr[0] = '\0';
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for (int i = 0; i < argc; i++) {
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strcat(cmdstr, argv[i]);
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if (argc > i+1) strcat(cmdstr, " ");
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}
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script_evalf("cmd_args('%s');", cmdstr);
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sound_init();
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input_init();
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script_dofile("warmup.js");
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start_desc.width = mainwin.width;
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start_desc.height = mainwin.height;
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start_desc.fullscreen = 0;
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return start_desc;
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}
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