Retrieve config code

Get config code from old repo.

CMakeLists.txt

@@ -7,7 +7,7 @@ set(SDL2PATH "${PROJECT_SOURCE_DIR}/dependencies/SDL2-2.0.16/x86_64-w64-mingw32"
 find_package(SDL2 REQUIRED)
 include_directories(${SDL2_INCLUDE_DIR})
 
-add_executable(izanami src/packages/game/main.c src/packages/game/math/IZ_vector.c src/packages/game/math/IZ_vector.h src/packages/game/math/IZ_math.c src/packages/game/math/IZ_math.h src/packages/game/core/IZ_placeable.c src/packages/game/core/IZ_placeable.h src/packages/game/core/IZ_movable.c src/packages/game/core/IZ_movable.h src/packages/game/core/IZ_spatial.c src/packages/game/core/IZ_spatial.h src/packages/game/input/IZ_action.c src/packages/game/input/IZ_action.h src/packages/game/config/IZ_config.c src/packages/game/config/IZ_config.h src/packages/game/config/IZ_config_window.c src/packages/game/config/IZ_config_window.h src/packages/game/config/IZ_config_mapping.c src/packages/game/config/IZ_config_mapping.h src/packages/game/config/IZ_config_pool.c src/packages/game/config/IZ_config_pool.h src/packages/game/core/IZ_constants.h)
+add_executable(izanami src/packages/game/main.c src/packages/game/math/IZ_vector.c src/packages/game/math/IZ_vector.h src/packages/game/math/IZ_math.c src/packages/game/math/IZ_math.h src/packages/game/core/IZ_placeable.c src/packages/game/core/IZ_placeable.h src/packages/game/core/IZ_movable.c src/packages/game/core/IZ_movable.h src/packages/game/core/IZ_spatial.c src/packages/game/core/IZ_spatial.h src/packages/game/input/IZ_action.c src/packages/game/input/IZ_action.h src/packages/game/config/IZ_config.c src/packages/game/config/IZ_config.h src/packages/game/config/IZ_config_window.c src/packages/game/config/IZ_config_window.h src/packages/game/config/IZ_config_mapping.c src/packages/game/config/IZ_config_mapping.h src/packages/game/config/IZ_config_pool.c src/packages/game/config/IZ_config_pool.h src/packages/game/core/IZ_constants.h src/packages/game/IZ_app.c src/packages/game/IZ_app.h src/packages/game/logging/IZ_log.c src/packages/game/logging/IZ_log.h src/packages/game/timer/IZ_timer.c src/packages/game/timer/IZ_timer.h src/packages/game/adapter/framework/IZ_keyboard.c src/packages/game/adapter/framework/IZ_keyboard.h)
 
 target_link_libraries(izanami ${SDL2_LIBRARY})
 

src/packages/game/IZ_app.c

@@ -0,0 +1,91 @@
+#include "IZ_app.h"
+
+/**
+ * Logs the application command-line arguments.
+ * @param argc The argument count.
+ * @param argv The argument values.
+ */
+void IZ_LogArguments(int argc, char** argv) {
+	unsigned int i;
+	for (i = 0; i < argc; i += 1) {
+		IZ_Log("Argument(%d)=%s", i, argv[i]);
+	}
+}
+
+typedef enum {
+	IZ_INITIALIZE_FRAMEWORK_RESULT_OK,
+	IZ_INITIALIZE_FRAMEWORK_RESULT_ERROR,
+} IZ_InitializeFrameworkResult;
+
+IZ_InitializeFrameworkResult IZ_InitializeFramework() {
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "Initializing framework...");
+	if (SDL_Init(
+		SDL_INIT_VIDEO
+		| SDL_INIT_GAMECONTROLLER
+		| SDL_INIT_AUDIO
+		| SDL_INIT_EVENTS
+		| SDL_INIT_TIMER
+	) < 0) {
+		IZ_LogError("ERROR! %s", SDL_GetError());
+		return IZ_INITIALIZE_FRAMEWORK_RESULT_ERROR;
+	}
+
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "OK!");
+	return IZ_INITIALIZE_FRAMEWORK_RESULT_OK;
+}
+
+typedef enum {
+	IZ_INITIALIZE_CONFIG_RESULT_OK,
+	IZ_INITIALIZE_CONFIG_RESULT_ERROR,
+} IZ_InitializeConfigResult;
+
+IZ_InitializeConfigResult IZ_InitializeConfig(IZ_App* app) {
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "Initializing config...");
+	if (IZ_ConfigLoad(&app->config, IZ_CONFIG_FILE_PATH)) {
+		return IZ_INITIALIZE_CONFIG_RESULT_ERROR;
+	}
+
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "OK!");
+	return IZ_INITIALIZE_CONFIG_RESULT_OK;
+}
+
+IZ_AppResult IZ_Initialize(IZ_App* app, const char* app_name) {
+	if (IZ_InitializeFramework()) {
+		return IZ_APP_RESULT_FRAMEWORK_ERROR;
+	}
+
+	if (IZ_InitializeConfig(app)) {
+		return IZ_APP_RESULT_CONFIG_ERROR;
+	}
+
+	return IZ_APP_RESULT_OK;
+}
+
+
+IZ_AppResult IZ_AppRun(
+	IZ_App* app,
+	int argc,
+	char** argv,
+	const char* app_name,
+	unsigned int major_version,
+	unsigned int minor_version,
+	unsigned int patch_version
+) {
+	IZ_TimerStart();
+	IZ_LogInfo(
+		IZ_LOG_CATEGORY_GLOBAL,
+		"Application started (%s v.%d.%d.%d).",
+		app_name,
+		major_version,
+		minor_version,
+		patch_version
+	);
+	IZ_LogArguments(argc, argv);
+	unsigned int status = IZ_Initialize(app, app_name);
+
+	if (status) {
+		return status;
+	}
+
+	return IZ_APP_RESULT_OK;
+}

src/packages/game/IZ_app.h

@@ -0,0 +1,31 @@
+#ifndef IZ_APP_H
+#define IZ_APP_H
+
+#include <SDL.h>
+#include "config/IZ_config.h"
+#include "timer/IZ_timer.h"
+#include "logging/IZ_log.h"
+
+typedef struct {
+	IZ_Config config;
+} IZ_App;
+
+typedef enum {
+	IZ_APP_RESULT_OK,
+
+	IZ_APP_RESULT_FRAMEWORK_ERROR,
+
+	IZ_APP_RESULT_CONFIG_ERROR,
+} IZ_AppResult;
+
+IZ_AppResult IZ_AppRun(
+	IZ_App*,
+	int,
+	char**,
+	const char*,
+	unsigned int,
+	unsigned int,
+	unsigned int
+);
+
+#endif

src/packages/game/adapter/framework/IZ_keyboard.c

@@ -0,0 +1 @@
+#include "IZ_keyboard.h"

src/packages/game/adapter/framework/IZ_keyboard.h

@@ -0,0 +1,45 @@
+#ifndef SDL_IZ_KEYBOARD_H
+#define SDL_IZ_KEYBOARD_H
+
+#include <SDL_scancode.h>
+
+/**
+ * Keyboard scancode.
+ */
+typedef SDL_Scancode IZ_KeyboardScancode;
+
+typedef enum {
+	IZ_SCANCODE_D         = SDL_SCANCODE_D,
+	IZ_SCANCODE_S         = SDL_SCANCODE_S,
+	IZ_SCANCODE_A         = SDL_SCANCODE_A,
+	IZ_SCANCODE_W         = SDL_SCANCODE_W,
+	IZ_SCANCODE_RETURN    = SDL_SCANCODE_RETURN,
+	IZ_SCANCODE_BACKSPACE = SDL_SCANCODE_BACKSPACE,
+	IZ_SCANCODE_M         = SDL_SCANCODE_M,
+	IZ_SCANCODE_COMMA     = SDL_SCANCODE_COMMA,
+	IZ_SCANCODE_PERIOD    = SDL_SCANCODE_PERIOD,
+	IZ_SCANCODE_SLASH     = SDL_SCANCODE_SLASH,
+	IZ_SCANCODE_J         = SDL_SCANCODE_J,
+	IZ_SCANCODE_K         = SDL_SCANCODE_K,
+	IZ_SCANCODE_L         = SDL_SCANCODE_L,
+	IZ_SCANCODE_SEMICOLON = SDL_SCANCODE_SEMICOLON,
+	IZ_SCANCODE_I         = SDL_SCANCODE_I,
+	IZ_SCANCODE_O         = SDL_SCANCODE_O,
+} IZ_Scancode;
+
+typedef enum {
+	IZ_JOYSTICK_CODE_0 = 11,
+	IZ_JOYSTICK_CODE_1 = 10,
+	IZ_JOYSTICK_CODE_2 = 1,
+	IZ_JOYSTICK_CODE_3 = 0,
+	IZ_JOYSTICK_CODE_4 = 4,
+	IZ_JOYSTICK_CODE_5 = 3,
+	IZ_JOYSTICK_CODE_6 = 6,
+	IZ_JOYSTICK_CODE_7 = 7,
+	IZ_JOYSTICK_CODE_8 = 8,
+	IZ_JOYSTICK_CODE_9 = 9,
+	IZ_JOYSTICK_CODE_10 = 13,
+	IZ_JOYSTICK_CODE_11 = 14,
+} IZ_JoystickCode;
+
+#endif

src/packages/game/config/IZ_config.c

@@ -1 +1,152 @@
 #include "IZ_config.h"
+
+#ifdef _WIN64
+void realpath(const char* filename, char* resolved_path) {
+	TCHAR** lppPart = { NULL };
+	GetFullPathNameA(filename, 256, resolved_path, lppPart);
+}
+#endif
+
+/**
+ * Writes the configuration to a file.
+ * @param config The pointer to the configuration data.
+ * @param filename The filename of the destination file.
+ * @return Error message, or NULL if there are no errors.
+ */
+unsigned int IZ_ConfigSave(IZ_Config* config, const char* filename) {
+	char resolved_path[256];
+	realpath(filename, resolved_path);
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "Persisting configuration to: %s", resolved_path);
+	FILE* output = fopen(filename, "w");
+	if (output == NULL) {
+		IZ_LogError("Could not persist config.");
+		return 1;
+	}
+	fprintf(output, "[Window]\n");
+	fprintf(output, "Width = %d\n", config->window.width);
+	fprintf(output, "Height = %d\n", config->window.height);
+
+	fprintf(output, "\n[Pool]\n");
+	fprintf(output, "Characters = %d\n", config->pool.characters);
+
+	unsigned int p;
+	unsigned int i;
+	for (p = 0; p < IZ_MAX_PLAYERS; p += 1) {
+		fprintf(output, "\n[Mapping(%d).Keyboard]\n", p);
+		for (i = 0; i < 16; i += 1) {
+			fprintf(output, "%s = %d\n", IZ_ACTION_NAMES[i], config->mapping[p].keyboard[i]);
+		}
+		fprintf(output, "\n[Mapping(%d).Joystick]\n", p);
+		for (i = 0; i < 12; i += 1) {
+			fprintf(output, "%s = %d\n", IZ_ACTION_NAMES[i + 4], config->mapping[p].joystick[i]);
+		}
+	}
+	fclose(output);
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "Config saved successfully.");
+	return 0;
+}
+
+/**
+ * Reads the configuration from a file.
+ * @param config The pointer to the configuration data.
+ * @param filename The filename of the destination file.
+ * @return Error message, or NULL if there are no errors.
+ */
+unsigned int IZ_ConfigLoad(IZ_Config* config, const char* filename) {
+	char resolved_path[256];
+	realpath(filename, resolved_path);
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC, "Loading configuration file: %s", resolved_path);
+	FILE* input = fopen(filename, "r");
+	unsigned int p;
+	unsigned int i;
+	if (input == NULL) {
+		IZ_LogWarn(false, "Config file not found! Loading defaults.");
+		*config = (IZ_Config) {
+			.window = { .width = 320, .height = 240 },
+			.pool = {
+				.characters = 64
+			},
+			.mapping = {
+				// player 1
+				{
+					.keyboard = {
+						IZ_SCANCODE_D,
+						IZ_SCANCODE_S,
+						IZ_SCANCODE_A,
+						IZ_SCANCODE_W,
+						IZ_SCANCODE_RETURN,
+						IZ_SCANCODE_BACKSPACE,
+						IZ_SCANCODE_M,
+						IZ_SCANCODE_COMMA,
+						IZ_SCANCODE_PERIOD,
+						IZ_SCANCODE_SLASH,
+						IZ_SCANCODE_J,
+						IZ_SCANCODE_K,
+						IZ_SCANCODE_L,
+						IZ_SCANCODE_SEMICOLON,
+						IZ_SCANCODE_I,
+						IZ_SCANCODE_O,
+					},
+					.joystick = {
+						IZ_JOYSTICK_CODE_0,
+						IZ_JOYSTICK_CODE_1,
+						IZ_JOYSTICK_CODE_2,
+						IZ_JOYSTICK_CODE_3,
+						IZ_JOYSTICK_CODE_4,
+						IZ_JOYSTICK_CODE_5,
+						IZ_JOYSTICK_CODE_6,
+						IZ_JOYSTICK_CODE_7,
+						IZ_JOYSTICK_CODE_8,
+						IZ_JOYSTICK_CODE_9,
+						IZ_JOYSTICK_CODE_10,
+						IZ_JOYSTICK_CODE_11,
+					}
+				}
+			}
+		};
+
+		unsigned int persist_status = IZ_ConfigSave(config, filename);
+		if (persist_status != 0) {
+			return persist_status;
+		}
+		IZ_Log("Window.Width=%d", config->window.width);
+		IZ_Log("Window.Height=%d", config->window.height);
+		for (p = 0; p < IZ_MAX_PLAYERS; p += 1) {
+			for (i = 0; i < 16; i += 1) {
+				IZ_Log("Mapping(%d).Keyboard.%s=%02x", p, IZ_ACTION_NAMES[i], config->mapping[p].keyboard[i]);
+			}
+			for (i = 0; i < 12; i += 1) {
+				IZ_Log("Mapping(%d).Joystick.%s=%02x", p, IZ_ACTION_NAMES[i + 4], config->mapping[p].joystick[i]);
+			}
+		}
+	} else {
+		fscanf(input, "[Window]\n");
+		fscanf(input, "Width = %d\n", &config->window.width);
+		IZ_Log("Window.Width=%d", config->window.width);
+
+		fscanf(input, "Height = %d\n", &config->window.height);
+		IZ_Log("Window.Height=%d", config->window.height);
+
+		fscanf(input, "\n[Pool]\n");
+		fscanf(input, "Characters = %d\n", &config->pool.characters);
+		IZ_Log("Pool.Characters=%d", config->pool.characters);
+
+		static char action_name[7];
+		int player_index;
+		for (p = 0; p < IZ_MAX_PLAYERS; p += 1) {
+			fscanf(input, "\n[Mapping(%d).Keyboard]\n", &player_index);
+			for (i = 0; i < 16; i += 1) {
+				fscanf(input, "%s = %d\n", action_name, &config->mapping[player_index].keyboard[i]);
+				IZ_Log("Mapping(%d).Keyboard.%s=%02x", player_index, action_name, config->mapping[player_index].keyboard[i]);
+			}
+			fscanf(input, "\n[Mapping(%d).Joystick]\n", &player_index);
+			for (i = 0; i < 12; i += 1) {
+				fscanf(input, "%s = %d\n", action_name, &config->mapping[player_index].joystick[i]);
+				IZ_Log("Mapping(%d).Joystick.%s=%02x", player_index, action_name, config->mapping[player_index].joystick[i]);
+			}
+		}
+	}
+	fclose(input);
+	IZ_LogInfo(IZ_LOG_CATEGORY_GENERIC,"%s", "Config loaded successfully.");
+	return 0;
+}

src/packages/game/config/IZ_config.h

@@ -1,7 +1,19 @@
 #ifndef IZ_CONFIG_H
 #define IZ_CONFIG_H
 
+#include <stdio.h>
+#include <stdlib.h>
+
+#if _WIN64
+#include <windows.h>
+#include <fileapi.h>
+#endif
+
+#include "../adapter/framework/IZ_keyboard.h"
+
 #include "../core/IZ_constants.h"
+#include "../logging/IZ_log.h"
+#include "../input/IZ_action.h"
 
 #include "IZ_config_mapping.h"
 #include "IZ_config_pool.h"

src/packages/game/logging/IZ_log.c

@@ -0,0 +1,92 @@
+#include "IZ_log.h"
+
+void IZ_LogError(const char* fmt, ...) {
+#ifdef IZ_LOG_LEVEL_FLAG_ERROR
+	char buffer[4096];
+	va_list args;
+	va_start(args, fmt);
+	vsnprintf(buffer, sizeof(buffer), fmt, args);
+	va_end(args);
+#if IZ_LOG_DATE_FUNCTION == IZ_TimerElapsed
+	fprintf(stderr, RED "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+#elif IZ_LOG_DATE_FUNCTION == IZ_TimerNow
+	fprintf(stderr, RED "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+#endif
+#endif
+}
+
+void IZ_LogInfo(IZ_LogCategory category, const char* fmt, ...) {
+#ifdef IZ_LOG_LEVEL_FLAG_INFO
+	char buffer[4096];
+	va_list args;
+	va_start(args, fmt);
+	vsnprintf(buffer, sizeof(buffer), fmt, args);
+	va_end(args);
+#if IZ_LOG_DATE_FUNCTION == IZ_TimerElapsed
+	switch (category) {
+		default:
+		case IZ_LOG_CATEGORY_GENERIC:
+			fprintf(stdout, CYN "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+		case IZ_LOG_CATEGORY_GLOBAL:
+			fprintf(stdout, MAG "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+		case IZ_LOG_CATEGORY_INPUT:
+			fprintf(stdout, GRN "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+	}
+
+#elif IZ_LOG_DATE_FUNCTION == IZ_TimerNow
+	switch (category) {
+		default:
+		case IZ_LOG_CATEGORY_GENERIC:
+			fprintf(stdout, CYN "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+			case IZ_LOG_CATEGORY_GLOBAL:
+			fprintf(stdout, MAG "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+		case IZ_LOG_CATEGORY_INPUT:
+			fprintf(stdout, GRN "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+			break;
+	}
+#endif
+#endif
+}
+
+void IZ_LogWarn(bool is_critical, const char* fmt, ...) {
+#ifdef IZ_LOG_LEVEL_FLAG_WARN
+	char buffer[4096];
+	va_list args;
+	va_start(args, fmt);
+	vsnprintf(buffer, sizeof(buffer), fmt, args);
+	va_end(args);
+#if IZ_LOG_DATE_FUNCTION == IZ_TimerElapsed
+	if (is_critical) {
+		fprintf(stdout, WHT "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+	} else {
+		fprintf(stdout, YEL "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+	}
+#elif IZ_LOG_DATE_FUNCTION == IZ_TimerNow
+	if (is_critical) {
+		fprintf(stdout, WHT "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+	} else {
+		fprintf(stdout, YEL "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+	}
+#endif
+#endif
+}
+
+void IZ_Log(const char* fmt, ...) {
+#ifdef IZ_LOG_LEVEL_FLAG_DEBUG
+	char buffer[4096];
+	va_list args;
+	va_start(args, fmt);
+	vsnprintf(buffer, sizeof(buffer), fmt, args);
+	va_end(args);
+#if IZ_LOG_DATE_FUNCTION == IZ_TimerElapsed
+	fprintf(stdout, BLU "%12s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+#elif IZ_LOG_DATE_FUNCTION == IZ_TimerNow
+	fprintf(stdout, BLU "%24s" RESET " %s\n", IZ_LOG_DATE_FUNCTION(), buffer);
+#endif
+#endif
+}

src/packages/game/logging/IZ_log.h

@@ -0,0 +1,53 @@
+#ifndef IZ_LOG_H
+#define IZ_LOG_H
+
+#ifdef _WIN64
+
+#define RED   ""
+#define GRN   ""
+#define YEL   ""
+#define BLU   ""
+#define MAG   ""
+#define CYN   ""
+#define WHT   ""
+#define RESET ""
+
+#else
+
+#define RED   "\x1B[31m"
+#define GRN   "\x1B[32m"
+#define YEL   "\x1B[33m"
+#define BLU   "\x1B[34m"
+#define MAG   "\x1B[35m"
+#define CYN   "\x1B[36m"
+#define WHT   "\x1B[37m"
+#define RESET "\x1B[0m"
+
+#endif
+
+#define IZ_LOG_LEVEL_FLAG_DEBUG
+#define IZ_LOG_LEVEL_FLAG_INFO
+#define IZ_LOG_LEVEL_FLAG_WARN
+#define IZ_LOG_LEVEL_FLAG_ERROR
+
+//#define IZ_LOG_DATE_FUNCTION IZ_TimerElapsed
+#define IZ_LOG_DATE_FUNCTION IZ_TimerNow
+
+#include <stdbool.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <time.h>
+#include "../timer/IZ_timer.h"
+
+typedef enum {
+	IZ_LOG_CATEGORY_INPUT,
+	IZ_LOG_CATEGORY_GLOBAL,
+	IZ_LOG_CATEGORY_GENERIC,
+} IZ_LogCategory;
+
+void IZ_LogError(const char* fmt, ...);
+void IZ_LogInfo(IZ_LogCategory category, const char* fmt, ...);
+void IZ_LogWarn(bool is_critical, const char* fmt, ...);
+void IZ_Log(const char* fmt, ...);
+
+#endif

src/packages/game/main.c

@@ -1,74 +1,86 @@
 #include <SDL.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include "IZ_app.h"
 
 const char* APP_NAME = "SDL2";
-const unsigned int SCREEN_WIDTH = 640;
-const unsigned int SCREEN_HEIGHT = 480;
-const unsigned int SCREEN_FPS = 30;
+//const unsigned int SCREEN_WIDTH = 320;
+//const unsigned int SCREEN_HEIGHT = 240;
 
-#define SDL_GetTicks64 SDL_GetTicks
+// NES frame rate
+//const float SCREEN_FPS = 59.94f;
 
-int main() {
-	SDL_Window* window = NULL;
-	SDL_Surface* screenSurface = NULL;
+//#define SDL_GetTicks64 SDL_GetTicks
+//
+//SDL_Window* IZ_GetWindow() {
+//	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+//		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
+//		return NULL;
+//	}
+//
+//	SDL_Window* window = SDL_CreateWindow(
+//		APP_NAME,
+//		SDL_WINDOWPOS_UNDEFINED,
+//		SDL_WINDOWPOS_UNDEFINED,
+//		(int) SCREEN_WIDTH,
+//		(int) SCREEN_HEIGHT,
+//		SDL_WINDOW_SHOWN
+//	);
+//
+//	if (window == NULL) {
+//		printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
+//		return NULL;
+//	}
+//
+//	return window;
+//}
 
-	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
-		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
-		return -1;
-	}
+int main(int argc, char** argv) {
+	IZ_App app;
+	return IZ_AppRun(&app, argc, argv, APP_NAME, 0, 0, 0);
 
-	window = SDL_CreateWindow(
-		APP_NAME,
-		SDL_WINDOWPOS_UNDEFINED,
-		SDL_WINDOWPOS_UNDEFINED,
-		(int) SCREEN_WIDTH,
-		(int) SCREEN_HEIGHT,
-		SDL_WINDOW_SHOWN
-	);
-
-	if (window == NULL) {
-		printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
-		return -2;
-	}
-
-	bool quit = false;
-	SDL_Event e;
-	screenSurface = SDL_GetWindowSurface(window);
-
-	uint64_t start = SDL_GetTicks64();
-	unsigned int seconds_elapsed = 0;
-	uint64_t last_update = start;
-	unsigned int frames = 0;
-	while (!quit) {
-		while (SDL_PollEvent(&e) != 0) {
-			if (e.type == SDL_QUIT) {
-				quit = true;
-			}
-		}
-
-		unsigned int current_ticks = SDL_GetTicks64();
-		unsigned int delta = current_ticks - last_update;
-		unsigned int new_seconds_elapsed = current_ticks / 1000;
-
-		if (new_seconds_elapsed > seconds_elapsed) {
-			printf("%u\n", frames);
-			frames = 0;
-			seconds_elapsed = new_seconds_elapsed;
-		}
-
-		if ((float) delta < 1000.f / (float) (SCREEN_FPS + 1)) {
-			continue;
-		}
-
-		last_update = current_ticks;
-		frames += 1;
-		SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));
-		SDL_UpdateWindowSurface(window);
-	}
-
-	SDL_DestroyWindow(window);
-	SDL_Quit();
-
-	return 0;
+//	SDL_Window* window = IZ_GetWindow();
+//	if (!window) {
+//		return -1;
+//	}
+//	SDL_Surface* screenSurface = SDL_GetWindowSurface(window);
+//
+//	uint64_t start = SDL_GetTicks64();
+//	unsigned int seconds_elapsed = 0;
+//	uint64_t last_update = start;
+//	unsigned int frames = 0;
+//	bool quit = false;
+//	SDL_Event e;
+//	while (!quit) {
+//		while (SDL_PollEvent(&e) != 0) {
+//			if (e.type == SDL_QUIT) {
+//				quit = true;
+//			}
+//		}
+//
+//		unsigned int current_ticks = SDL_GetTicks64();
+//		unsigned int delta = current_ticks - last_update;
+//		unsigned int new_seconds_elapsed = current_ticks / 1000;
+//
+//		if (new_seconds_elapsed > seconds_elapsed) {
+//			printf("%u\n", frames);
+//			frames = 0;
+//			seconds_elapsed = new_seconds_elapsed;
+//		}
+//
+//		if ((float) delta < 1000.f / SCREEN_FPS) {
+//			continue;
+//		}
+//
+//		last_update = current_ticks;
+//		frames += 1;
+//
+//		SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));
+//		SDL_UpdateWindowSurface(window);
+//	}
+//
+//	SDL_DestroyWindow(window);
+//	SDL_Quit();
+//
+//	return 0;
 }

src/packages/game/timer/IZ_timer.c

@@ -0,0 +1,69 @@
+#include "IZ_timer.h"
+
+#ifdef _WIN64
+typedef enum {
+	_CLOCK_REALTIME = 0,
+#define CLOCK_REALTIME _CLOCK_REALTIME
+	_CLOCK_MONOTONIC = 6,
+#define CLOCK_MONOTONIC _CLOCK_MONOTONIC
+} clockid_t;
+
+int clock_gettime(clockid_t __clock_id, struct timespec *__tp) {
+	return timespec_get(__tp, TIME_UTC);
+}
+#endif
+
+/**
+ * Gets the start timestamp.
+ * @sa IZ_TIMER_START_TIMESTAMP
+ */
+void IZ_TimerStart() {
+	struct timespec t;
+	clock_gettime(CLOCK_MONOTONIC, &t);
+	IZ_TIMER_START_TIMESTAMP = t.tv_sec;
+}
+
+/**
+ * Gets the number of microseconds since the application timer has been started.
+ * @return The number of microseconds.
+ * @sa IZ_TimerElapsed()
+ */
+unsigned int IZ_TimerElapsedRaw() {
+	struct timespec t;
+	clock_gettime(CLOCK_MONOTONIC, &t);
+	return (t.tv_sec - IZ_TIMER_START_TIMESTAMP) * 1000000 + (t.tv_nsec / 1000);
+}
+
+/**
+ * Gets the formatted elapsed time since the application timer has been started.
+ * @return The formatted elapsed time.
+ * @sa IZ_TimerElapsedRaw()
+ */
+char* IZ_TimerElapsed() {
+	static char buffer[32];
+	struct timespec t;
+	clock_gettime(CLOCK_MONOTONIC, &t);
+	unsigned int seconds = t.tv_sec - IZ_TIMER_START_TIMESTAMP;
+	unsigned int milliseconds = t.tv_nsec / 1000000;
+	unsigned int minutes = seconds / 60;
+	unsigned int hours   = seconds / 60 / 60;
+	sprintf(buffer, "%02d:%02d:%02d.%03d", hours, minutes % 60, seconds % 60, milliseconds % 1000);
+	return buffer;
+}
+
+/**
+ * Gets the formatted time in the current instant.
+ * @return The formatted time in the current instant.
+ */
+char* IZ_TimerNow() {
+	struct timespec t;
+	clock_gettime(CLOCK_REALTIME, &t);
+	static char buffer[32];
+	unsigned int seconds = t.tv_sec;
+	unsigned int milliseconds = t.tv_nsec / 1000000;
+	static char formatted[32];
+	time_t current_time = seconds;
+	strftime(formatted, sizeof(formatted), "%Y-%m-%dT%H:%M:%S", gmtime(&current_time));
+	sprintf(buffer, "%s.%03dZ", formatted, milliseconds < 0 ? 0 : milliseconds % 1000);
+	return buffer;
+}

src/packages/game/timer/IZ_timer.h

@@ -0,0 +1,42 @@
+#ifndef IZ_TIMER_H
+#define IZ_TIMER_H
+
+//#define IZ_LOG_DATE_FRIENDLY
+#define IZ_LOG_DATE_ELAPSED_FRIENDLY
+
+#include <stdio.h>
+#include <time.h>
+
+/**
+ * The start timestamp.
+ * @sa IZ_TimerStart
+ */
+static time_t IZ_TIMER_START_TIMESTAMP = 0;
+
+/**
+ * Gets the start timestamp.
+ * @sa IZ_TIMER_START_TIMESTAMP
+ */
+void IZ_TimerStart();
+
+/**
+ * Gets the number of microseconds since the application timer has been started.
+ * @return The number of microseconds.
+ * @sa IZ_TimerElapsed()
+ */
+unsigned int IZ_TimerElapsedRaw();
+
+/**
+ * Gets the formatted elapsed time since the application timer has been started.
+ * @return The formatted elapsed time.
+ * @sa IZ_TimerElapsedRaw()
+ */
+char* IZ_TimerElapsed();
+
+/**
+ * Gets the formatted time in the current instant.
+ * @return The formatted time in the current instant.
+ */
+char* IZ_TimerNow();
+
+#endif