6879130bb0
- os_file_open(string path, Os_Io_Open_Flags flags) - os_file_close(File f) - os_file_delete(string path) - os_file_write_string(File f, string s) - os_file_write_bytes(File f, void *buffer, u64 size_in_bytes) - os_file_read(File f, void* buffer, u64 bytes_to_read, u64 *actual_read_bytes) - os_write_entire_file_handle(File f, string data) - os_write_entire_file(string path, string data) - os_read_entire_file_handle(File f, string *result) - os_read_entire_file(string path, string *result) - fprint(File, string/char*, ...) - Buncha tests - os_high_precision_sleep - talloc_string - Program memory is touched on VirtualAlloc so it actually allocates physical memory (and we can tell when an address is untouched)
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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int start(int argc, char **argv) {
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window.title = fixed_string("My epic game");
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window.width = 400;
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window.height = 400;
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window.x = 200;
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window.y = 200;
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seed_for_random = os_get_current_cycle_count();
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const float64 fps_limit = 420;
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const float64 min_frametime = 1.0 / fps_limit;
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float64 last_time = os_get_current_time_in_seconds();
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while (!window.should_close) {
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reset_temporary_storage();
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context.allocator = temp;
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os_update();
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float64 now = os_get_current_time_in_seconds();
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float64 delta = now - last_time;
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if (delta < min_frametime) {
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os_high_precision_sleep((min_frametime-delta)*1000.0);
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now = os_get_current_time_in_seconds();
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delta = now - last_time;
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}
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last_time = now;
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if (is_key_just_released(KEY_ESCAPE)) {
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window.should_close = true;
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}
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if (is_key_just_released('E')) {
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print("Mouse pos: %f, %f\n", input_frame.mouse_x, input_frame.mouse_y);
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print("FPS: %.2f\n", 1.0 / delta);
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}
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for (u64 i = 0; i < input_frame.number_of_events; i++) {
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Input_Event e = input_frame.events[i];
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switch (e.kind) {
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case INPUT_EVENT_KEY: print("Key event key code %d\n", e.key_code); break;
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case INPUT_EVENT_SCROLL: print("Scroll event, x: %.3f, y: %.3f\n", e.xscroll, e.yscroll); break;
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case INPUT_EVENT_TEXT: print("Text event, utf32: %d, ascii: %c\n", e.utf32, e.ascii); break;
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}
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}
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draw_rect_rotated(v2(-.25f, -.25f), v2(.5f, .5f), COLOR_RED, v2(.25, .25), (f32)now);
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Vector2 hover_position = v2_rotate_point_around_pivot(v2(-.5, -.5), v2(0, 0), -(f32)now);
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Vector2 local_pivot = v2(.125f, .125f);
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draw_rect(v2_sub(hover_position, local_pivot), v2(.25f, .25f), COLOR_GREEN);
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gfx_update();
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}
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return 0;
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}
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