+#include <SDL2/SDL.h>
+#include <SDL2/SDL_mixer.h>
+
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_mixer.h>
-#include "./player.h"
-#include "./platforms.h"
-#include "./error.h"
-#include "./game.h"
-#include "./lt.h"
+#include "game.h"
+#include "game/level/platforms.h"
+#include "game/level/player.h"
+#include "game/sound_samples.h"
+#include "math/minmax.h"
+#include "math/point.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
-
-/* LT module adapter for SDL_Quit */
-static void SDL_Quit_lt(void* ignored)
-{
- (void) ignored;
- SDL_Quit();
-}
-
-/* LT module adapter for Mix_Quit */
-static void Mix_Quit_lt(void* ignored)
-{
- (void) ignored;
- Mix_Quit();
-}
static void print_usage(FILE *stream)
{
- fprintf(stream, "Usage: nothing <level-file>\n");
+ fprintf(stream, "Usage: nothing [--fps <fps>] <level-file>\n");
}
int main(int argc, char *argv[])
lt_t *const lt = create_lt();
- if (argc < 2) {
+ char *level_filename = NULL;
+ int fps = 60;
+
+ 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);
}
}
PUSH_LT(lt, 42, SDL_Quit_lt);
- if ((Mix_Init(MIX_INIT_MP3) & MIX_INIT_MP3) != MIX_INIT_MP3) {
- print_error_msg(ERROR_TYPE_SDL2_MIXER, "Could not initialize SDL_mixer");
- RETURN_LT(lt, -1);
- }
- PUSH_LT(lt, 42, Mix_Quit_lt);
-
- if (Mix_OpenAudio(22050, AUDIO_S16SYS, 2, 640) < 0) {
- print_error_msg(ERROR_TYPE_SDL2_MIXER, "Could not initialize SDL_mixer twice");
- RETURN_LT(lt, -1);
- }
+ 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) {
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(argv[1]), 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_t *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_Event e;
+ int64_t last_time = (int64_t) SDL_GetTicks();
+ const int64_t expected_delay_ms = (int64_t) (1000.0f / (float) fps);
while (!game_over_check(game)) {
+ const int64_t current_time = (int64_t) SDL_GetTicks();
+
+ if (current_time == last_time) {
+ SDL_Delay((Uint32) expected_delay_ms);
+ last_time = current_time;
+ continue;
+ }
+
+ const int64_t actual_delta_ms = current_time - last_time;
+
+
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_update(game, delay_ms) < 0) {
- print_current_error_msg("Failed handling updating");
+ if (game_render(game) < 0) {
+ print_current_error_msg("Failed rendering the game");
RETURN_LT(lt, -1);
}
- if (game_render(game, renderer) < 0) {
- print_current_error_msg("Failed rendering the game");
+ int64_t effective_delta_ms = max_int64(actual_delta_ms, expected_delay_ms);
+ while (effective_delta_ms > 0) {
+ if (game_update(game, (float) min_int64(expected_delay_ms, effective_delta_ms) * 0.001f) < 0) {
+ print_current_error_msg("Failed handling updating");
+ RETURN_LT(lt, -1);
+ }
+
+ effective_delta_ms -= expected_delay_ms;
+ }
+
+ if (game_sound(game) < 0) {
+ print_current_error_msg("Failed handling the sound");
RETURN_LT(lt, -1);
}
+
+ SDL_Delay((unsigned int) max_int64(0, expected_delay_ms - actual_delta_ms));
+ last_time = current_time;
}
RETURN_LT(lt, 0);
projects / nothing.git / blobdiff