X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmain.c;h=46181504ba9572d044ef873ab7bc38ec14c43df8;hb=cf5c164d48262e22592b902fd03293e77bacc34a;hp=28fc97448751b21db369b93be604c92fdc6f4dc5;hpb=abf684f42fc138090ca556c1052e63c73bb0c503;p=nothing.git diff --git a/src/main.c b/src/main.c index 28fc9744..46181504 100644 --- a/src/main.c +++ b/src/main.c @@ -1,57 +1,108 @@ -#include -#include #include +#include -#include "./player.h" -#include "./platforms.h" +#include +#include +#include +#include + +#include "game.h" +#include "game/level/platforms.h" +#include "game/level/player.h" +#include "game/sound_samples.h" +#include "game/sprite_font.h" +#include "math/point.h" +#include "sdl/renderer.h" +#include "system/error.h" +#include "system/lt.h" +#include "system/lt/lt_adapters.h" #define SCREEN_WIDTH 800 #define SCREEN_HEIGHT 600 -#define GAME_FPS 60 -#define LEVEL_FILE_NAME "./levels/platforms.txt" + +static void print_usage(FILE *stream) +{ + fprintf(stream, "Usage: nothing [--fps ] \n"); +} int main(int argc, char *argv[]) { - (void) argc; /* unused */ - (void) argv; /* unused */ + srand((unsigned int) time(NULL)); - int exit_code = 0; + Lt *const lt = create_lt(); + + char *level_filename = NULL; + int fps = 30; + + for (int i = 1; i < argc;) { + if (strcmp(argv[i], "--fps") == 0) { + if (i + 1 < argc) { + if (sscanf(argv[i + 1], "%d", &fps) == 0) { + fprintf(stderr, "Cannot parse FPS: %s is not a number\n", argv[i + 1]); + print_usage(stderr); + RETURN_LT(lt, -1); + } + i += 2; + } else { + fprintf(stderr, "Value of FPS is not provided\n"); + print_usage(stderr); + RETURN_LT(lt, -1); + } + } else { + level_filename = argv[i]; + i++; + } + } + + if (level_filename == NULL) { + fprintf(stderr, "Path to level file is not provided\n"); + print_usage(stderr); + RETURN_LT(lt, -1); + } if (SDL_Init(SDL_INIT_EVERYTHING) < 0) { - fprintf(stderr, "Could not initialize SDL: %s", SDL_GetError()); - exit_code = -1; - goto sdl_init_fail; + print_error_msg(ERROR_TYPE_SDL2, "Could not initialize SDL"); + RETURN_LT(lt, -1); } + PUSH_LT(lt, 42, SDL_Quit_lt); + + SDL_ShowCursor(SDL_DISABLE); - SDL_Window *const window = SDL_CreateWindow("Nothing", - 100, 100, - SCREEN_WIDTH, SCREEN_HEIGHT, - SDL_WINDOW_SHOWN); + SDL_Window *const window = PUSH_LT( + lt, + SDL_CreateWindow( + "Nothing", + 100, 100, + SCREEN_WIDTH, SCREEN_HEIGHT, + SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE), + SDL_DestroyWindow); if (window == NULL) { - fprintf(stderr, "Could not create SDL window: %s", SDL_GetError()); - exit_code = -1; - goto sdl_create_window_fail; + print_error_msg(ERROR_TYPE_SDL2, "Could not create SDL window"); + RETURN_LT(lt, -1); } - SDL_Renderer *const renderer = SDL_CreateRenderer(window, -1, - SDL_RENDERER_ACCELERATED | - SDL_RENDERER_PRESENTVSYNC); + SDL_Renderer *const renderer = PUSH_LT( + lt, + SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC), + SDL_DestroyRenderer); if (renderer == NULL) { - fprintf(stderr, "Could not create SDL renderer: %s", SDL_GetError()); - exit_code = -1; - goto sdl_create_renderer_fail; + print_error_msg(ERROR_TYPE_SDL2, "Could not create SDL renderer"); + RETURN_LT(lt, -1); + } + if (SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND) < 0) { + print_error_msg(ERROR_TYPE_SDL2, "Could not set up blending mode for the renderer"); + RETURN_LT(lt, -1); } SDL_Joystick *the_stick_of_joy = NULL; if (SDL_NumJoysticks() > 0) { - the_stick_of_joy = SDL_JoystickOpen(0); + the_stick_of_joy = PUSH_LT(lt, SDL_JoystickOpen(0), SDL_JoystickClose); if (the_stick_of_joy == NULL) { - fprintf(stderr, "Could not open 0th Stick of the Joy: %s\n", SDL_GetError()); - exit_code = -1; - goto sdl_joystick_open_fail; + print_error_msg(ERROR_TYPE_SDL2, "Could not open 0th Stick of the Joy: %s\n"); + RETURN_LT(lt, -1); } printf("Opened Joystick 0\n"); @@ -65,107 +116,83 @@ int main(int argc, char *argv[]) fprintf(stderr, "[WARNING] Could not find any Sticks of the Joy\n"); } - // ------------------------------ - - player_t *const player = create_player(100.0f, 0.0f); - if (player == NULL) { - perror("Could not create player"); - exit_code = -1; - goto create_player_fail; + if (Mix_OpenAudio( + MIX_DEFAULT_FREQUENCY, + MIX_DEFAULT_FORMAT, + 2, + 1024) < 0) { + print_error_msg(ERROR_TYPE_SDL2_MIXER, "Could not initialize the audio\n"); + RETURN_LT(lt, -1); } + PUSH_LT(lt, 42, Mix_CloseAudio_lt); - platforms_t *platforms = load_platforms_from_file(LEVEL_FILE_NAME); - if (platforms == NULL) { - perror("Could not read platforms from " LEVEL_FILE_NAME); - exit_code = -1; - goto create_platforms_fail; - } + // ------------------------------ - camera_t *const camera = create_camera(vec(0.0f, 0.0f)); - if (camera == NULL) { - perror("Could not create camera"); - exit_code = -1; - goto create_camera_fail; + const char * sound_sample_files[] = { + "./sounds/nothing.wav", + "./sounds/something.wav" + }; + const size_t sound_sample_files_count = sizeof(sound_sample_files) / sizeof(char*); + + Game *const game = PUSH_LT( + lt, + create_game( + level_filename, + sound_sample_files, + sound_sample_files_count, + renderer), + destroy_game); + if (game == NULL) { + print_current_error_msg("Could not create the game object"); + RETURN_LT(lt, -1); } - int quit = 0; - const Uint8 *const keyboard_state = SDL_GetKeyboardState(NULL); - const Uint32 delay_ms = (Uint32) roundf(1000.0f / GAME_FPS); - SDL_Event e; - while (!quit) { - while (SDL_PollEvent(&e)) { - switch (e.type) { - case SDL_QUIT: - quit = 1; - break; - - case SDL_KEYDOWN: - switch (e.key.keysym.sym) { - case SDLK_SPACE: - player_jump(player); - break; - - case SDLK_q: - printf("Reloading the level from '%s'...", LEVEL_FILE_NAME); - - destroy_platforms(platforms); - platforms = load_platforms_from_file(LEVEL_FILE_NAME); - - if (platforms == NULL) { - exit_code = -1; - goto reload_platforms_failed; - } - break; - } - break; - case SDL_JOYBUTTONDOWN: - if (e.jbutton.button == 1) { - player_jump(player); - } - break; + SDL_StartTextInput(); + SDL_Event e; + const int64_t delta_time = (int64_t) roundf(1000.0f / 60.0f); + int64_t render_timer = (int64_t) roundf(1000.0f / (float) fps); + while (!game_over_check(game)) { + const int64_t begin_frame_time = (int64_t) SDL_GetTicks(); + + while (!game_over_check(game) && SDL_PollEvent(&e)) { + if (game_event(game, &e) < 0) { + print_current_error_msg("Failed handling event"); + RETURN_LT(lt, -1); } + } + if (game_input(game, keyboard_state, the_stick_of_joy) < 0) { + print_current_error_msg("Failed handling input"); + RETURN_LT(lt, -1); } - if (keyboard_state[SDL_SCANCODE_A]) { - player_move_left(player); - } else if (keyboard_state[SDL_SCANCODE_D]) { - player_move_right(player); - } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) < 0) { - player_move_left(player); - } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) > 0) { - player_move_right(player); - } else { - player_stop(player); + if (game_update(game, (float) delta_time * 0.001f) < 0) { + print_current_error_msg("Failed handling updating"); + RETURN_LT(lt, -1); } - update_player(player, platforms, delay_ms); - player_focus_camera(player, camera); + if (game_sound(game) < 0) { + print_current_error_msg("Failed handling the sound"); + RETURN_LT(lt, -1); + } + + render_timer -= delta_time; + if (render_timer <= 0) { + if (game_render(game) < 0) { + print_current_error_msg("Failed rendering the game"); + RETURN_LT(lt, -1); + } + SDL_RenderPresent(renderer); + render_timer = (int64_t) roundf(1000.0f / (float) fps); + } - SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); - SDL_RenderClear(renderer); - render_player(player, renderer, camera); - render_platforms(platforms, renderer, camera); - SDL_RenderPresent(renderer); - SDL_Delay(delay_ms); + const int64_t end_frame_time = (int64_t) SDL_GetTicks(); +#define max_int64(a, b) (a > b ? a : b) + SDL_Delay((unsigned int) max_int64(10, delta_time - (end_frame_time - begin_frame_time))); +#undef max_int64 } -reload_platforms_failed: - destroy_camera(camera); -create_camera_fail: - if (platforms) { destroy_platforms(platforms); } -create_platforms_fail: - destroy_player(player); -create_player_fail: - if (the_stick_of_joy) { SDL_JoystickClose(the_stick_of_joy); } -sdl_joystick_open_fail: - SDL_DestroyRenderer(renderer); -sdl_create_renderer_fail: - SDL_DestroyWindow(window); -sdl_create_window_fail: - SDL_Quit(); -sdl_init_fail: - return exit_code; + RETURN_LT(lt, 0); }