int entry(int argc, char **argv) { window.title = STR("My epic game"); window.scaled_width = 1280; window.scaled_height = 720; window.x = 200; window.y = 200; window.clear_color = hex_to_rgba(0x2a2d3aff); Gfx_Image *bush_image = load_image_from_disk(STR("oogabooga/examples/berry_bush.png"), get_heap_allocator()); assert(bush_image, "Failed loading berry_bush.png"); Gfx_Image *hammer_image = load_image_from_disk(STR("oogabooga/examples/hammer.png"), get_heap_allocator()); assert(hammer_image, "Failed loading hammer.png"); Custom_Mouse_Pointer hammer_pointer = os_make_custom_mouse_pointer_from_file(STR("oogabooga/examples/hammer.png"), 16, 16, get_heap_allocator()); assert(hammer_pointer != 0, "Could not load hammer pointer"); void *my_data = alloc(get_heap_allocator(), 32*32*4); memset(my_data, 0xffffffff, 32*32*4); Gfx_Image *my_image = make_image(32, 32, 4, my_data, get_heap_allocator()); for (int *c = (int*)my_data; c < (int*)my_data+16*16; c += 1) { *c = 0xff0000ff; } gfx_set_image_data(my_image, 0, 0, 16, 16, my_data); Gfx_Font *font = load_font_from_disk(STR("C:/windows/fonts/arial.ttf"), get_heap_allocator()); assert(font, "Failed loading arial.ttf, %d", GetLastError()); render_atlas_if_not_yet_rendered(font, 32, 'A'); seed_for_random = rdtsc(); const float64 fps_limit = 69000; const float64 min_frametime = 1.0 / fps_limit; Matrix4 camera_xform = m4_scalar(1.0); float64 last_time = os_get_elapsed_seconds(); while (!window.should_close) tm_scope("Frame") { reset_temporary_storage(); float64 now = os_get_elapsed_seconds(); float64 delta = now - last_time; if (delta < min_frametime) { os_high_precision_sleep((min_frametime-delta)*1000.0); now = os_get_elapsed_seconds(); delta = now - last_time; } last_time = now; tm_scope("os_update") { os_update(); } if (is_key_just_released(KEY_ESCAPE)) { window.should_close = true; } os_set_mouse_pointer_custom(hammer_pointer); if (is_key_just_pressed(KEY_ARROW_LEFT)) { window.x -= 10; } if (is_key_just_pressed(KEY_ARROW_RIGHT)) { window.x += 10; } if (is_key_just_released('Q')) { delete_image(bush_image); bush_image = load_image_from_disk(STR("oogabooga/examples/berry_bush.png"), get_heap_allocator()); assert(bush_image, "Failed loading berry_bush.png"); } const float32 cam_move_speed = 4.0; Vector2 cam_move_axis = v2(0, 0); if (is_key_down('A')) { cam_move_axis.x -= 1.0; } if (is_key_down('D')) { cam_move_axis.x += 1.0; } if (is_key_down('S')) { cam_move_axis.y -= 1.0; } if (is_key_down('W')) { cam_move_axis.y += 1.0; } Vector2 cam_move = v2_mulf(cam_move_axis, delta * cam_move_speed); camera_xform = m4_translate(camera_xform, v3(v2_expand(cam_move), 0)); draw_frame.camera_xform = camera_xform; local_persist bool do_enable_z_sorting = false; draw_frame.enable_z_sorting = do_enable_z_sorting; if (is_key_just_pressed('Z')) do_enable_z_sorting = !do_enable_z_sorting; if (do_enable_z_sorting) { push_window_scissor( v2(input_frame.mouse_x-256, input_frame.mouse_y-256), v2(input_frame.mouse_x+256, input_frame.mouse_y+256) ); } seed_for_random = 69; for (u64 i = 0; i < 10000; i++) { float32 aspect = (float32)window.width/(float32)window.height; float min_x = -aspect; float max_x = aspect; float min_y = -1; float max_y = 1; float x = get_random_float32() * (max_x-min_x) + min_x; float y = get_random_float32() * (max_y-min_y) + min_y; push_z_layer((s32)(y*100)); draw_image(bush_image, v2(x, y), v2(0.1, 0.1), COLOR_WHITE); pop_z_layer(); } seed_for_random = rdtsc(); draw_image(bush_image, v2(0.65, 0.65), v2(0.2*sin(now), 0.2*sin(now)), COLOR_WHITE); u32 atlas_index = 0; Gfx_Font_Atlas *atlas = (Gfx_Font_Atlas*)hash_table_find(&font->variations[32].atlases, atlas_index); draw_text(font, STR("I am text"), 128, v2(sin(now), -0.61), v2(0.001, 0.001), COLOR_BLACK); draw_text(font, STR("I am text"), 128, v2(sin(now)-0.01, -0.6), v2(0.001, 0.001), COLOR_WHITE); draw_text(font, STR("Hello jje\nnew line"), 128, v2(-1, 0.5), v2(0.001, 0.001), COLOR_WHITE); Matrix4 hammer_xform = m4_scalar(1.0); hammer_xform = m4_rotate_z(hammer_xform, (f32)now); hammer_xform = m4_translate(hammer_xform, v3(-.25f, -.25f, 0)); push_z_layer(1000001); draw_image_xform(hammer_image, hammer_xform, v2(.5f, .5f), COLOR_RED); draw_image_xform(hammer_image, hammer_xform, v2(.25f, .25f), COLOR_GREEN); pop_z_layer(); Vector2 hover_position = v2_rotate_point_around_pivot(v2(-.5, -.5), v2(0, 0), (f32)now); Vector2 local_pivot = v2(.125f, .125f); draw_circle(v2_sub(hover_position, local_pivot), v2(.25f, .25f), v4((sin(now)+1.0)/2.0, 1.0, 0.0, 1.0)); local_persist bool show = false; if (is_key_just_pressed('T')) show = !show; if (show) draw_image(atlas->image, v2(-1.6, -1), v2(4, 4), COLOR_WHITE); if (do_enable_z_sorting) { pop_window_scissor(); } tm_scope("gfx_update") { gfx_update(); } if (is_key_just_released('E')) { log("FPS: %.2f", 1.0 / delta); log("ms: %.2f", delta*1000.0); } } return 0; }