X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmain.c;h=46181504ba9572d044ef873ab7bc38ec14c43df8;hb=cf5c164d48262e22592b902fd03293e77bacc34a;hp=5b4173828689563b6b8263fc385557a4844434ff;hpb=cb12b1f9871e3a97717fab31ea9f999763d96e6e;p=nothing.git diff --git a/src/main.c b/src/main.c index 5b417382..46181504 100644 --- a/src/main.c +++ b/src/main.c @@ -1,31 +1,64 @@ -#include -#include #include +#include -#include "./player.h" -#include "./platforms.h" -#include "./error.h" -#include "./game.h" -#include "./lt.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" -/* LT module adapter for SDL_Quit */ -static void SDL_Quit_lt(void* ignored) +static void print_usage(FILE *stream) { - (void) ignored; - SDL_Quit(); + fprintf(stream, "Usage: nothing [--fps ] \n"); } int main(int argc, char *argv[]) { - (void) argc; /* unused */ - (void) argv; /* unused */ + srand((unsigned int) time(NULL)); + + 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++; + } + } - lt_t *const lt = create_lt(); + 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) { print_error_msg(ERROR_TYPE_SDL2, "Could not initialize SDL"); @@ -33,9 +66,15 @@ int main(int argc, char *argv[]) } PUSH_LT(lt, 42, SDL_Quit_lt); + SDL_ShowCursor(SDL_DISABLE); + SDL_Window *const window = PUSH_LT( lt, - SDL_CreateWindow("Nothing", 100, 100, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN), + SDL_CreateWindow( + "Nothing", + 100, 100, + SCREEN_WIDTH, SCREEN_HEIGHT, + SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE), SDL_DestroyWindow); if (window == NULL) { @@ -51,6 +90,10 @@ int main(int argc, char *argv[]) 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; @@ -73,19 +116,47 @@ int main(int argc, char *argv[]) fprintf(stderr, "[WARNING] Could not find any Sticks of the Joy\n"); } + 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); + // ------------------------------ - game_t *const game = PUSH_LT(lt, create_game(LEVEL_FILE_NAME), destroy_game); + 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); } const Uint8 *const keyboard_state = SDL_GetKeyboardState(NULL); - const Uint32 delay_ms = (Uint32) roundf(1000.0f / GAME_FPS); + + SDL_StartTextInput(); SDL_Event e; - while (!is_game_over(game)) { - while (!is_game_over(game) && SDL_PollEvent(&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); @@ -97,15 +168,30 @@ int main(int argc, char *argv[]) RETURN_LT(lt, -1); } - if (game_update(game, delay_ms) < 0) { + if (game_update(game, (float) delta_time * 0.001f) < 0) { print_current_error_msg("Failed handling updating"); RETURN_LT(lt, -1); } - if (game_render(game, renderer) < 0) { - print_current_error_msg("Failed rendering the game"); + 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); + } + + 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 } RETURN_LT(lt, 0);