mirror of
https://github.com/prurigro/intelligent-snake.git
synced 2024-11-25 00:51:26 -05:00
Clean up the formatting
This commit is contained in:
Kevin MacMartin
parent
6a8e6a979f
commit
4fb76cb808
1 changed files with 390 additions and 371 deletions
531
isnake.c
531
isnake.c
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@ -37,18 +37,18 @@
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#include <SDL/SDL.h>
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#include <SDL/SDL_ttf.h>
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/*TITLE OF THE WINDOW*/
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// TITLE OF THE WINDOW
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#define GAMENAME "Intelligent Snake"
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/*FONT AND FONTSIZE*/
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// FONT AND FONTSIZE
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#define DEFAULT_FONT_FILE "DroidSans-Bold.ttf"
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#define DEFAULT_FONT_SIZE 22
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/*HEIGHT AND WIDTH OF EACH TILE*/
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// HEIGHT AND WIDTH OF EACH TILE
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#define TILEWIDTH 20
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#define TILEHEIGHT 20
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/*MIN+MAX+DEFAULT TILE ROWS AND COLUMNS*/
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// MIN+MAX+DEFAULT TILE ROWS AND COLUMNS
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#define MIN_TILESWIDE 30
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#define MIN_TILESHIGH 20
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#define MAX_TILESWIDE 80
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@ -56,28 +56,28 @@
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#define DEFAULT_TILESWIDE 50
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#define DEFAULT_TILESHIGH 30
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/*MIN+MAX+DEFAULT SNAKESPEED*/
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// MIN+MAX+DEFAULT SNAKESPEED
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#define MIN_SNAKESPEED 1
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#define MAX_SNAKESPEED 9
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#define DEFAULT_SNAKESPEED 1
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/*SNAKE LENGTH (+1 FOR BUFFER)*/
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// SNAKE LENGTH (+1 FOR BUFFER)
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#define MIN_SNAKELENGTH 4
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#define MAX_SNAKELENGTH 36
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#define DEFAULT_SNAKELENGTH 4
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/*NUMBER OF NPCs (# OF BLOCKS + 1 FOR FOOD)*/
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// NUMBER OF NPCs (# OF BLOCKS + 1 FOR FOOD)
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#define MIN_NPCCOUNT 1
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#define MAX_NPCCOUNT 41
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#define DEFAULT_NPCCOUNT 21
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/*AMOUNT OF FOOD EATEN BEFORE SNAKESPEED INCREASES*/
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// AMOUNT OF FOOD EATEN BEFORE SNAKESPEED INCREASES
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#define ACCEL_FREQ 3
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/*WHETHER TO DISPLAY COMMANDLINE OUTPUT DURING GAMEPLAY*/
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// WHETHER TO DISPLAY COMMANDLINE OUTPUT DURING GAMEPLAY
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#define CONSOLE_OUTPUT true
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/*CONSTANT VALUES*/
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// CONSTANT VALUES
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const int colourFood[3] = { 255, 0, 0 }; // Bright Red
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const int colourHead[3] = { 215, 95, 95 }; // Red
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const int colourBody[3] = { 135, 215, 255 }; // Blue
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@ -89,13 +89,13 @@ const int colourTextGameOver[3] = {234, 234, 234}; //White
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const int colourTextLabel[3] = { 215, 95, 95 }; // Red
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const int colourTextData[3] = { 135, 215, 255 }; // Blue
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/*ENUMERATIONS FOR MORE READABLE CODE*/
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// ENUMERATIONS FOR MORE READABLE CODE
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enum direction {Up, Down, Left, Right}; // Movement directions
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enum gameParams {QuitGame, TilesHigh, TilesWide, NPCCount, SnakeSpeed, SnakeLength, SnakeDirection, SnakeScore};
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/*GAME FUNCTIONS*/
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// GAME FUNCTIONS
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void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event);
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int moveSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection);
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void moveSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection);
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bool collisionDetect(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection);
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void collisionDetectFood(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8]);
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bool gameEventPoll(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event);
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@ -106,14 +106,13 @@ void randomLocation(int** ppSprites, int (*gameParameters)[8], int* location[2])
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void drawText(SDL_Surface* screen, char* string, int size, int x, int y, SDL_Colour colour);
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void updateRect(SDL_Surface* screen, SDL_Rect** ppTiles, int position[2], const int colour[3]);
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/*COMMANDLINE FUNCTIONS*/
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// COMMANDLINE FUNCTIONS
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void configureGame(int argc, char** args, int (*gameParameters)[8]);
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void printHelpMenu(char filename[]);
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void printErrorHelp(char filename[]);
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/*MAIN LOOP*/
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int main(int argc, char* args[])
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{
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// MAIN LOOP
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int main(int argc, char* args[]) {
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int x, y, gameParameters[8];
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int** ppSprites = NULL;
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int* pSprites = NULL;
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@ -129,24 +128,23 @@ int main(int argc, char* args[])
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configureGame(argc, args, &gameParameters);
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// INITIALIZE SDL
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0)
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{
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) {
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fprintf(stderr, "\nUnable to initialize SDL: %s\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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atexit(SDL_Quit);
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// INITIALIZE SDL_ttf
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if (TTF_Init() != 0)
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{
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if (TTF_Init() != 0) {
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fprintf(stderr, "\nUnable to initialize SDL: %s\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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atexit(TTF_Quit);
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// INITIALIZE THE MAIN SURFACE
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if ((screen = SDL_SetVideoMode((TILEWIDTH * gameParameters[TilesWide]), (TILEHEIGHT * gameParameters[TilesHigh]) + 35, 32, SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_ANYFORMAT)) == NULL)
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{
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if ((screen = SDL_SetVideoMode((TILEWIDTH * gameParameters[TilesWide]), (TILEHEIGHT * gameParameters[TilesHigh]) + 35, 32, SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_ANYFORMAT)) == NULL) {
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fprintf(stderr, "\nUnable to initialize SDL: %s\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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@ -160,43 +158,45 @@ int main(int argc, char* args[])
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// SET BACKGROUND COLOUR
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SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, colourBackground[0], colourBackground[1], colourBackground[2]));
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while (gameParameters[QuitGame] == 0)
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{
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while (gameParameters[QuitGame] == 0) {
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// INIT TILES ARRAY
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pTiles = malloc(gameParameters[TilesWide] * sizeof(SDL_Rect));
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ppTiles = malloc(gameParameters[TilesHigh] * sizeof(SDL_Rect*));
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for (x = 0; x < gameParameters[TilesHigh]; x++)
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for (x = 0; x < gameParameters[TilesHigh]; x++) {
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ppTiles[x] = malloc(gameParameters[TilesWide] * sizeof(SDL_Rect));
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for (x = 0; x < gameParameters[TilesHigh]; x++)
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for (y = 0; y < gameParameters[TilesWide]; y++)
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{
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}
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for (x = 0; x < gameParameters[TilesHigh]; x++) {
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for (y = 0; y < gameParameters[TilesWide]; y++) {
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ppTiles[x][y].w = TILEWIDTH - (TILEWIDTH / 10);
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ppTiles[x][y].h = TILEHEIGHT - (TILEHEIGHT / 10);
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ppTiles[x][y].x = ((ppTiles[x][y].w + (TILEWIDTH / 10)) * y);
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ppTiles[x][y].y = ((ppTiles[x][y].h + (TILEHEIGHT / 10)) * x);
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SDL_FillRect(screen, &ppTiles[x][y], SDL_MapRGB(screen->format, colourTiles[0], colourTiles[1], colourTiles[2]));
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}
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}
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// INIT SPRITES ARRAY
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pSprites = malloc(2 * sizeof(int));
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ppSprites = malloc((gameParameters[NPCCount] + MAX_SNAKELENGTH) * sizeof(int*)); // The array is defined by the snake's maximum size so it can grow during gameplay
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for (x = 0; x < gameParameters[NPCCount] + MAX_SNAKELENGTH; x++)
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{
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for (x = 0; x < gameParameters[NPCCount] + MAX_SNAKELENGTH; x++) {
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ppSprites[x] = malloc(2 * sizeof(int));
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ppSprites[x][0] = 0;
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ppSprites[x][1] = 0;
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}
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// SET SNAKE START POSITION
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for (x = gameParameters[NPCCount]; x < gameParameters[NPCCount] + gameParameters[SnakeLength]; x++)
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{
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for (x = gameParameters[NPCCount]; x < gameParameters[NPCCount] + gameParameters[SnakeLength]; x++) {
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ppSprites[x][0] = 3;
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ppSprites[x][1] = (3 + gameParameters[NPCCount] + gameParameters[SnakeLength] - DEFAULT_SNAKELENGTH + 2 - x);
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}
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// SET NPC LOCATIONS
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for (x = 0; x < gameParameters[NPCCount]; x++)
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for (x = 0; x < gameParameters[NPCCount]; x++) {
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randomLocation(ppSprites, &gameParameters, &(ppSprites)[x]);
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}
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// GAME LOOP
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gameLoop(screen, ppTiles, ppSprites, &gameParameters, &event);
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@ -208,7 +208,9 @@ int main(int argc, char* args[])
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pSprites = NULL;
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// RESET GAME SETTINGS USING DEFAULTS AND USER INPUT
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if (gameParameters[QuitGame] == 0) configureGame(argc, args, &gameParameters);
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if (gameParameters[QuitGame] == 0) {
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configureGame(argc, args, &gameParameters);
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}
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}
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// FREEING THE SCREEN SURFACE BEFORE EXITING
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@ -218,9 +220,8 @@ int main(int argc, char* args[])
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exit(EXIT_SUCCESS);
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}
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/*GAME LOOP*/
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void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event)
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{
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// GAME LOOP
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void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event) {
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SDL_Colour SDL_ColourBackground = {colourBackground[0], colourBackground[1], colourBackground[2]};
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SDL_Colour SDL_ColourTextLabel = {colourTextLabel[0], colourTextLabel[1], colourTextLabel[2]};
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SDL_Colour SDL_ColourTextData = {colourTextData[0], colourTextData[1], colourTextData[2]};
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@ -241,45 +242,53 @@ void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*ga
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drawText(screen, "SPEED", DEFAULT_FONT_SIZE, speedLabelPosition[0], speedLabelPosition[1], SDL_ColourTextLabel);
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// LOOP UNTIL GAME IS FINISHED
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while (1)
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{
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while (1) {
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// UPDATE THE SNAKE'S SCORE WHEN IT CHANGES
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if (atoi(tempString[0]) != (*gameParameters)[SnakeScore])
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{
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if (atoi(tempString[0]) != -1)
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if (atoi(tempString[0]) != (*gameParameters)[SnakeScore]) {
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if (atoi(tempString[0]) != -1) {
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drawText(screen, tempString[0], DEFAULT_FONT_SIZE, scoreDataPosition[0], scoreDataPosition[1], SDL_ColourBackground);
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}
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sprintf(tempString[0], "%d", (*gameParameters)[SnakeScore]);
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drawText(screen, tempString[0], DEFAULT_FONT_SIZE, scoreDataPosition[0], scoreDataPosition[1], SDL_ColourTextData);
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}
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// UPDATE THE SNAKE'S SPEED WHEN IT CHANGES
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if (atoi(tempString[1]) != (*gameParameters)[SnakeSpeed])
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{
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if (atoi(tempString[1]) != -1)
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if (atoi(tempString[1]) != (*gameParameters)[SnakeSpeed]) {
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if (atoi(tempString[1]) != -1) {
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drawText(screen, tempString[1], DEFAULT_FONT_SIZE, speedDataPosition[0], speedDataPosition[1], SDL_ColourBackground);
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}
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sprintf(tempString[1], "%d", (*gameParameters)[SnakeSpeed]);
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drawText(screen, tempString[1], DEFAULT_FONT_SIZE, speedDataPosition[0], speedDataPosition[1], SDL_ColourTextData);
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}
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if (gameEventPoll(screen, ppTiles, ppSprites, gameParameters, event) == false) break;
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if (gameEventPoll(screen, ppTiles, ppSprites, gameParameters, event) == false) {
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break;
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}
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updateSnake(screen, ppTiles, ppSprites, gameParameters);
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SDL_Flip(screen);
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SDL_Delay(250 / ((*gameParameters)[SnakeSpeed] + 3));
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if (scrollSnake(screen, ppTiles, ppSprites, gameParameters) == false) break;
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if (scrollSnake(screen, ppTiles, ppSprites, gameParameters) == false) {
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break;
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}
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updateSnake(screen, ppTiles, ppSprites, gameParameters);
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SDL_Flip(screen);
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SDL_Delay(250 / ((*gameParameters)[SnakeSpeed] + 3));
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if (gameEventPoll(screen, ppTiles, ppSprites, gameParameters, event) == false) break;
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if (gameEventPoll(screen, ppTiles, ppSprites, gameParameters, event) == false) {
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break;
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}
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updateSnake(screen, ppTiles, ppSprites, gameParameters);
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SDL_Flip(screen);
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}
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// DISPLAY GAME OVER MESSAGE AND WAIT FOR INPUT
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if ((*gameParameters)[QuitGame] == 0)
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{
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if ((*gameParameters)[QuitGame] == 0) {
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// DISPLAY GAMEOVER MESSAGES
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drawText(screen, gameOverMsg[0], DEFAULT_FONT_SIZE - 7, gameOverMsgPosition[0], gameOverMsgPosition[4], SDL_ColourTextGameOver);
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drawText(screen, gameOverMsg[1], DEFAULT_FONT_SIZE - 9, gameOverMsgPosition[1], gameOverMsgPosition[4], SDL_ColourTextData);
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@ -291,26 +300,22 @@ void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*ga
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SDL_Delay(250 / ((*gameParameters)[SnakeSpeed] + 3));
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// CAPTURE SDL_QUIT TO EXIT, ESCAPE TO EXIT, OR SPACEBAR TO RESTART
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while (1)
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{
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if (SDL_PollEvent(event))
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{
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if ((*event).type == SDL_QUIT)
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{
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while (1) {
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if (SDL_PollEvent(event)) {
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if ((*event).type == SDL_QUIT) {
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(*gameParameters)[QuitGame] = 1;
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break;
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}
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else if ((*event).type == SDL_KEYDOWN)
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{
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if (((*event).key.keysym.sym == SDLK_ESCAPE) || ((*event).key.keysym.sym == SDLK_q))
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{
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} else if ((*event).type == SDL_KEYDOWN) {
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if (((*event).key.keysym.sym == SDLK_ESCAPE) || ((*event).key.keysym.sym == SDLK_q)) {
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(*gameParameters)[QuitGame] = 1;
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break;
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}
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else if (((*event).key.keysym.sym == SDLK_SPACE) || ((*event).key.keysym.sym == SDLK_RETURN)) break;
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} else if (((*event).key.keysym.sym == SDLK_SPACE) || ((*event).key.keysym.sym == SDLK_RETURN)) {
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break;
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}
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}
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}
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}
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drawText(screen, gameOverMsg[0], DEFAULT_FONT_SIZE - 7, gameOverMsgPosition[0], gameOverMsgPosition[4], SDL_ColourBackground);
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drawText(screen, gameOverMsg[1], DEFAULT_FONT_SIZE - 9, gameOverMsgPosition[1], gameOverMsgPosition[4], SDL_ColourBackground);
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drawText(screen, gameOverMsg[2], DEFAULT_FONT_SIZE - 9, gameOverMsgPosition[2], gameOverMsgPosition[4], SDL_ColourBackground);
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@ -320,45 +325,46 @@ void gameLoop(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*ga
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drawText(screen, "SCORE", DEFAULT_FONT_SIZE, scoreLabelPosition[0], scoreLabelPosition[1], SDL_ColourBackground);
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drawText(screen, "SPEED", DEFAULT_FONT_SIZE, speedLabelPosition[0], speedLabelPosition[1], SDL_ColourBackground);
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if (atoi(tempString[0]) != -1)
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if (atoi(tempString[0]) != -1) {
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drawText(screen, tempString[0], DEFAULT_FONT_SIZE, scoreDataPosition[0], scoreDataPosition[1], SDL_ColourBackground);
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if (atoi(tempString[1]) != -1)
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drawText(screen, tempString[1], DEFAULT_FONT_SIZE, speedDataPosition[0], speedDataPosition[1], SDL_ColourBackground);
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}
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/*MOVES THE SNAKE IN THE DESIRED DIRECTION*/
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int moveSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection)
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{
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if (atoi(tempString[1]) != -1) {
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drawText(screen, tempString[1], DEFAULT_FONT_SIZE, speedDataPosition[0], speedDataPosition[1], SDL_ColourBackground);
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}
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}
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// MOVES THE SNAKE IN THE DESIRED DIRECTION
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void moveSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection) {
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int x;
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// MOVEMENT
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for (x = (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 1; x >= (*gameParameters)[NPCCount]; x--)
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{
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if (x == (*gameParameters)[NPCCount])
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{
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for (x = (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 1; x >= (*gameParameters)[NPCCount]; x--) {
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if (x == (*gameParameters)[NPCCount]) {
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// MOVE THE HEAD OF THE SNAKE TO THE NEW DIRECTION
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switch (newDirection)
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{
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switch (newDirection) {
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case Up:
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ppSprites[x][0] = ppSprites[x][0] - 1;
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(*gameParameters)[SnakeDirection] = 0;
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break;
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case Down:
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ppSprites[x][0] = ppSprites[x][0] + 1;
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(*gameParameters)[SnakeDirection] = 1;
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break;
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case Left:
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ppSprites[x][1] = ppSprites[x][1] - 1;
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(*gameParameters)[SnakeDirection] = 2;
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break;
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case Right:
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ppSprites[x][1] = ppSprites[x][1] + 1;
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(*gameParameters)[SnakeDirection] = 3;
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break;
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}
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}
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else
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{
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} else {
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// MOVE THE BODY/TAIL OF THE SNAKE TO THE PIECE AHEAD OF IT
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ppSprites[x][0] = ppSprites[x - 1][0];
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ppSprites[x][1] = ppSprites[x - 1][1];
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@ -366,73 +372,98 @@ int moveSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*ga
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}
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}
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/*DETECT+HANDLE WHEN THE SNAKE COLLIDES WITH WALLS, BLOCKS, ITSELF OR FOOD*/
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bool collisionDetect(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection)
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{
|
||||
// DETECT+HANDLE WHEN THE SNAKE COLLIDES WITH WALLS, BLOCKS, ITSELF OR FOOD
|
||||
bool collisionDetect(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], enum direction newDirection) {
|
||||
int x;
|
||||
|
||||
switch (newDirection)
|
||||
{
|
||||
switch (newDirection) {
|
||||
case Up:
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x)
|
||||
{
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][0] - 1) == ppSprites[x][0]) && (ppSprites[(*gameParameters)[NPCCount]][1] == ppSprites[x][1]))
|
||||
{
|
||||
if (x == 0) collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
else return false;
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x) {
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][0] - 1) == ppSprites[x][0]) && (ppSprites[(*gameParameters)[NPCCount]][1] == ppSprites[x][1])) {
|
||||
if (x == 0) {
|
||||
collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][0] - 1) < 0) return false;
|
||||
}
|
||||
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][0] - 1) < 0) {
|
||||
return false;
|
||||
}
|
||||
|
||||
moveSnake(screen, ppTiles, ppSprites, gameParameters, Up);
|
||||
break;
|
||||
|
||||
case Down:
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x)
|
||||
{
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][0] + 1) == ppSprites[x][0]) && (ppSprites[(*gameParameters)[NPCCount]][1] == ppSprites[x][1]))
|
||||
{
|
||||
if (x == 0) collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
else return false;
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x) {
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][0] + 1) == ppSprites[x][0]) && (ppSprites[(*gameParameters)[NPCCount]][1] == ppSprites[x][1])) {
|
||||
if (x == 0) {
|
||||
collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][0] + 1) >= (*gameParameters)[TilesHigh]) return false;
|
||||
}
|
||||
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][0] + 1) >= (*gameParameters)[TilesHigh]) {
|
||||
return false;
|
||||
}
|
||||
|
||||
moveSnake(screen, ppTiles, ppSprites, gameParameters, Down);
|
||||
break;
|
||||
|
||||
case Left:
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x)
|
||||
{
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][1] - 1) == ppSprites[x][1]) && (ppSprites[(*gameParameters)[NPCCount]][0] == ppSprites[x][0]))
|
||||
{
|
||||
if (x == 0) collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
else return false;
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x) {
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][1] - 1) == ppSprites[x][1]) && (ppSprites[(*gameParameters)[NPCCount]][0] == ppSprites[x][0])) {
|
||||
if (x == 0) {
|
||||
collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][1] - 1) < 0) return false;;
|
||||
}
|
||||
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][1] - 1) < 0) {
|
||||
return false;
|
||||
}
|
||||
|
||||
moveSnake(screen, ppTiles, ppSprites, gameParameters, Left);
|
||||
break;
|
||||
|
||||
case Right:
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x)
|
||||
{
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][1] + 1) == ppSprites[x][1]) && (ppSprites[(*gameParameters)[NPCCount]][0] == ppSprites[x][0]))
|
||||
{
|
||||
if (x == 0) collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
else return false;
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2; ++x) {
|
||||
if (((ppSprites[(*gameParameters)[NPCCount]][1] + 1) == ppSprites[x][1]) && (ppSprites[(*gameParameters)[NPCCount]][0] == ppSprites[x][0])) {
|
||||
if (x == 0) {
|
||||
collisionDetectFood(screen, ppTiles, ppSprites, gameParameters);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][1] + 1) >= (*gameParameters)[TilesWide]) return false;;
|
||||
}
|
||||
|
||||
if ((ppSprites[(*gameParameters)[NPCCount]][1] + 1) >= (*gameParameters)[TilesWide]) {
|
||||
return false;
|
||||
}
|
||||
|
||||
moveSnake(screen, ppTiles, ppSprites, gameParameters, Right);
|
||||
break;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*HANDLES COLLISION WITH FOOD*/
|
||||
void collisionDetectFood(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8])
|
||||
{
|
||||
// HANDLES COLLISION WITH FOOD
|
||||
void collisionDetectFood(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8]) {
|
||||
// INCREASE THE SNAKE'S SIZE IF IT'S NOT ALREADY THE MAXIMUM
|
||||
if ((*gameParameters)[SnakeLength] < MAX_SNAKELENGTH) (*gameParameters)[SnakeLength]++;
|
||||
if ((*gameParameters)[SnakeLength] < MAX_SNAKELENGTH) {
|
||||
(*gameParameters)[SnakeLength]++;
|
||||
}
|
||||
|
||||
// INCREASE THE SNAKE'S SPEED WHEN THE SCORE IS DIVISIBLE BY ACCEL_FREQ
|
||||
if ((((*gameParameters)[SnakeScore] % ACCEL_FREQ) == 0) && ((*gameParameters)[SnakeScore] != 0) && ((*gameParameters)[SnakeSpeed] < MAX_SNAKESPEED)) (*gameParameters)[SnakeSpeed]++;
|
||||
if ((((*gameParameters)[SnakeScore] % ACCEL_FREQ) == 0) && ((*gameParameters)[SnakeScore] != 0) && ((*gameParameters)[SnakeSpeed] < MAX_SNAKESPEED)) {
|
||||
(*gameParameters)[SnakeSpeed]++;
|
||||
}
|
||||
|
||||
// INCREASE THE SNAKE'S SCORE
|
||||
(*gameParameters)[SnakeScore]++;
|
||||
|
|
@ -444,133 +475,160 @@ void collisionDetectFood(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprite
|
|||
SDL_Flip(screen);
|
||||
}
|
||||
|
||||
/*CAPTURES INPUT AND GENERATES APPROPRIATE RESPONSE*/
|
||||
bool gameEventPoll(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event)
|
||||
{
|
||||
// CAPTURES INPUT AND GENERATES APPROPRIATE RESPONSE
|
||||
bool gameEventPoll(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8], SDL_Event* event) {
|
||||
bool playerAlive = true;
|
||||
|
||||
if (SDL_PollEvent(event))
|
||||
{
|
||||
switch ((*event).type)
|
||||
{
|
||||
if (SDL_PollEvent(event)) {
|
||||
switch ((*event).type) {
|
||||
case SDL_QUIT:
|
||||
playerAlive = false;
|
||||
(*gameParameters)[QuitGame] = 1;
|
||||
break;
|
||||
|
||||
case SDL_KEYDOWN:
|
||||
// WHEN KEY IS PRESSED, CHECK WHICH AND RESPOND ACCORDINGLY
|
||||
switch ((*event).key.keysym.sym)
|
||||
{
|
||||
switch ((*event).key.keysym.sym) {
|
||||
case SDLK_UP:
|
||||
case SDLK_w:
|
||||
case SDLK_k:
|
||||
if (((*gameParameters)[SnakeDirection] != Up) && ((*gameParameters)[SnakeDirection] != Down))
|
||||
if (((*gameParameters)[SnakeDirection] != Up) && ((*gameParameters)[SnakeDirection] != Down)) {
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Up));
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case SDLK_DOWN:
|
||||
case SDLK_s:
|
||||
case SDLK_j:
|
||||
if (((*gameParameters)[SnakeDirection] != Down) && ((*gameParameters)[SnakeDirection] != Up))
|
||||
if (((*gameParameters)[SnakeDirection] != Down) && ((*gameParameters)[SnakeDirection] != Up)) {
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Down));
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case SDLK_LEFT:
|
||||
case SDLK_a:
|
||||
case SDLK_h:
|
||||
if (((*gameParameters)[SnakeDirection] != Left) && ((*gameParameters)[SnakeDirection] != Right) && ((*gameParameters)[SnakeDirection] != -1))
|
||||
if (((*gameParameters)[SnakeDirection] != Left) && ((*gameParameters)[SnakeDirection] != Right) && ((*gameParameters)[SnakeDirection] != -1)) {
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Left));
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case SDLK_RIGHT:
|
||||
case SDLK_d:
|
||||
case SDLK_l:
|
||||
if (((*gameParameters)[SnakeDirection] != Right) && ((*gameParameters)[SnakeDirection] != Left))
|
||||
if (((*gameParameters)[SnakeDirection] != Right) && ((*gameParameters)[SnakeDirection] != Left)) {
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Right));
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case SDLK_ESCAPE:
|
||||
case SDLK_q:
|
||||
playerAlive = false;
|
||||
(*gameParameters)[QuitGame] = 1;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
return playerAlive;
|
||||
}
|
||||
|
||||
/*MOVES SNAKE AUTOMATICALLY IN WHICHEVER DIRECTION IT WENT LAST*/
|
||||
bool scrollSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8])
|
||||
{
|
||||
bool playerAlive = true;
|
||||
|
||||
switch ((*gameParameters)[SnakeDirection])
|
||||
{
|
||||
case Up:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Up));
|
||||
break;
|
||||
case Down:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Down));
|
||||
break;
|
||||
case Left:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Left));
|
||||
break;
|
||||
case Right:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Right));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return playerAlive;
|
||||
}
|
||||
|
||||
/*REDRAW THE SNAKE BASED ON CURRENT VALUES*/
|
||||
void updateSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8])
|
||||
{
|
||||
// MOVES SNAKE AUTOMATICALLY IN WHICHEVER DIRECTION IT WENT LAST
|
||||
bool scrollSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8]) {
|
||||
bool playerAlive = true;
|
||||
|
||||
switch ((*gameParameters)[SnakeDirection]) {
|
||||
case Up:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Up));
|
||||
break;
|
||||
|
||||
case Down:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Down));
|
||||
break;
|
||||
|
||||
case Left:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Left));
|
||||
break;
|
||||
|
||||
case Right:
|
||||
playerAlive = (collisionDetect(screen, ppTiles, ppSprites, gameParameters, Right));
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return playerAlive;
|
||||
}
|
||||
|
||||
// REDRAW THE SNAKE BASED ON CURRENT VALUES
|
||||
void updateSnake(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8]) {
|
||||
int x;
|
||||
|
||||
for (x = (*gameParameters)[NPCCount]; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength]; x++)
|
||||
{
|
||||
if (x == (*gameParameters)[NPCCount]) updateRect(screen, ppTiles, ppSprites[x], colourHead);
|
||||
else if (x == ((*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 1)) updateRect(screen, ppTiles, ppSprites[x], colourTiles);
|
||||
else if (x == ((*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2)) updateRect(screen, ppTiles, ppSprites[x], colourTail);
|
||||
else updateRect(screen, ppTiles, ppSprites[x], colourBody);
|
||||
for (x = (*gameParameters)[NPCCount]; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength]; x++) {
|
||||
if (x == (*gameParameters)[NPCCount]) {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourHead);
|
||||
} else if (x == ((*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 1)) {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourTiles);
|
||||
} else if (x == ((*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength] - 2)) {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourTail);
|
||||
} else {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourBody);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*DRAW NPCs BASED ON ON CURRENT VALUES*/
|
||||
void loadNPCs(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8])
|
||||
{
|
||||
// DRAW NPCs BASED ON ON CURRENT VALUES
|
||||
void loadNPCs(SDL_Surface* screen, SDL_Rect** ppTiles, int** ppSprites, int (*gameParameters)[8]) {
|
||||
int x, startNPCs = 0;
|
||||
|
||||
for (x = startNPCs; x < (*gameParameters)[NPCCount]; x++)
|
||||
{
|
||||
if (x == startNPCs) updateRect(screen, ppTiles, ppSprites[x], colourFood);
|
||||
else updateRect(screen, ppTiles, ppSprites[x], colourBlock);
|
||||
for (x = startNPCs; x < (*gameParameters)[NPCCount]; x++) {
|
||||
if (x == startNPCs) {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourFood);
|
||||
} else {
|
||||
updateRect(screen, ppTiles, ppSprites[x], colourBlock);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*A HELPER FUNCTION TO RANDOMLY PLACE NPCs WITH SOME INTELLIGENCE*/
|
||||
void randomLocation(int** ppSprites, int (*gameParameters)[8], int* location[2])
|
||||
{
|
||||
// A HELPER FUNCTION TO RANDOMLY PLACE NPCs WITH SOME INTELLIGENCE
|
||||
void randomLocation(int** ppSprites, int (*gameParameters)[8], int* location[2]) {
|
||||
int x, randLocation[2];
|
||||
bool isAcceptable = false;
|
||||
|
||||
while (!isAcceptable)
|
||||
{
|
||||
while (!isAcceptable) {
|
||||
isAcceptable = true;
|
||||
randLocation[0] = (rand() % ((*gameParameters)[TilesHigh] - 2)) + 1;
|
||||
randLocation[1] = (rand() % ((*gameParameters)[TilesWide] - 2)) + 1;
|
||||
|
||||
// DON'T LOAD NPCs ONTO SNAKE OR OTHER NPCs
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength]; ++x)
|
||||
if (((ppSprites[x][0]) == randLocation[0]) && ((ppSprites[x][1]) == randLocation[1])) isAcceptable = false;
|
||||
for (x = 0; x < (*gameParameters)[NPCCount] + (*gameParameters)[SnakeLength]; ++x) {
|
||||
if (((ppSprites[x][0]) == randLocation[0]) && ((ppSprites[x][1]) == randLocation[1])) {
|
||||
isAcceptable = false;
|
||||
}
|
||||
}
|
||||
|
||||
// DON'T LOAD NPCs DIRECTLY NEXT TO THE SNAKE'S HEAD
|
||||
if (((((ppSprites[(*gameParameters)[NPCCount]][0]) - 1) == randLocation[0]) && (((ppSprites[(*gameParameters)[NPCCount]][1])) == randLocation[1])) || // ABOVE THE SNAKE'S HEAD
|
||||
((((ppSprites[(*gameParameters)[NPCCount]][0]) + 1) == randLocation[0]) && (((ppSprites[(*gameParameters)[NPCCount]][1])) == randLocation[1])) || // BELOW THE SNAKE'S HEAD
|
||||
((((ppSprites[(*gameParameters)[NPCCount]][0])) == randLocation[0]) && (((ppSprites[(*gameParameters)[NPCCount]][1]) - 1) == randLocation[1])) || // LEFT OF THE SNAKE'S HEAD
|
||||
((((ppSprites[(*gameParameters)[NPCCount]][0])) == randLocation[0]) && (((ppSprites[(*gameParameters)[NPCCount]][1]) + 1) == randLocation[1]))) //RIGHT OF THE SNAKE'S HEAD
|
||||
((((ppSprites[(*gameParameters)[NPCCount]][0])) == randLocation[0]) && (((ppSprites[(*gameParameters)[NPCCount]][1]) + 1) == randLocation[1]))) { // RIGHT OF THE SNAKE'S HEAD
|
||||
|
||||
isAcceptable = false;
|
||||
}
|
||||
}
|
||||
|
||||
// SET THE GIVEN NPC'S LOCATION TO THE GENERATED COORDINATES
|
||||
(*location)[0] = randLocation[0];
|
||||
|
|
@ -578,8 +636,7 @@ void randomLocation(int** ppSprites, int (*gameParameters)[8], int* location[2])
|
|||
}
|
||||
|
||||
// DRAW TEXT WHEN REQUIRED
|
||||
void drawText(SDL_Surface* screen, char* string, int size, int x, int y, SDL_Colour colour)
|
||||
{
|
||||
void drawText(SDL_Surface* screen, char* string, int size, int x, int y, SDL_Colour colour) {
|
||||
SDL_Colour SDL_ColourBackground = {colourBackground[0], colourBackground[1], colourBackground[2]};
|
||||
SDL_Rect coordinates = {x, y};
|
||||
SDL_Surface *newString = NULL;
|
||||
|
|
@ -587,7 +644,10 @@ void drawText(SDL_Surface* screen, char* string, int size, int x, int y, SDL_Col
|
|||
|
||||
// LOAD THE FONT
|
||||
font = TTF_OpenFont(DEFAULT_FONT_FILE, size);
|
||||
if (!font) fprintf(stderr, "Error loading %s", DEFAULT_FONT_FILE);
|
||||
|
||||
if (!font) {
|
||||
fprintf(stderr, "Error loading %s", DEFAULT_FONT_FILE);
|
||||
}
|
||||
|
||||
newString = TTF_RenderText_Shaded(font, string, colour, SDL_ColourBackground);
|
||||
SDL_BlitSurface(newString, NULL, screen, &coordinates);
|
||||
|
|
@ -596,15 +656,13 @@ void drawText(SDL_Surface* screen, char* string, int size, int x, int y, SDL_Col
|
|||
SDL_FreeSurface(newString);
|
||||
}
|
||||
|
||||
/*LOW LEVEL FUNCTION TO BE RUN BY HIGHER LEVEL ONES FOR UPDATING TILES*/
|
||||
void updateRect(SDL_Surface* screen, SDL_Rect** ppTiles, int position[2], const int colour[3])
|
||||
{
|
||||
// LOW LEVEL FUNCTION TO BE RUN BY HIGHER LEVEL ONES FOR UPDATING TILES
|
||||
void updateRect(SDL_Surface* screen, SDL_Rect** ppTiles, int position[2], const int colour[3]) {
|
||||
SDL_FillRect(screen, &ppTiles[position[0]][position[1]], SDL_MapRGB(screen->format, colour[0], colour[1], colour[2]));
|
||||
}
|
||||
|
||||
/*PARSES COMMANDLINE OPTIONS AND GENERATES APPROPRIATE RESPONSE*/
|
||||
void configureGame(int argc, char** args, int (*gameParameters)[8])
|
||||
{
|
||||
// PARSES COMMANDLINE OPTIONS AND GENERATES APPROPRIATE RESPONSE
|
||||
void configureGame(int argc, char** args, int (*gameParameters)[8]) {
|
||||
int parsecount = 1;
|
||||
|
||||
// SET DEFAULT GAME PARAMETERS
|
||||
|
|
@ -618,115 +676,78 @@ void configureGame(int argc, char** args, int (*gameParameters)[8])
|
|||
(*gameParameters)[SnakeScore] = 0;
|
||||
|
||||
// PARSE COMMANDLINE FOR SETTINGS
|
||||
while (parsecount < argc)
|
||||
{
|
||||
while (parsecount < argc) {
|
||||
if (strcmp(args[parsecount], "-h") == 0) {
|
||||
// HELP MENU
|
||||
if (strcmp(args[parsecount], "-h") == 0)
|
||||
{
|
||||
printHelpMenu(args[0]);
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
} else if (strcmp(args[parsecount], "-g") == 0) {
|
||||
// RESOLUTION
|
||||
else if (strcmp(args[parsecount], "-g") == 0)
|
||||
{
|
||||
if ((parsecount + 2) < argc)
|
||||
{
|
||||
if (((atoi(args[parsecount + 1]) >= MIN_TILESWIDE) && (atoi(args[parsecount + 1]) <= MAX_TILESWIDE)) && ((atoi(args[parsecount + 2]) >= MIN_TILESHIGH) && (atoi(args[parsecount + 2]) <= MAX_TILESHIGH)))
|
||||
{
|
||||
if ((parsecount + 2) < argc) {
|
||||
if (((atoi(args[parsecount + 1]) >= MIN_TILESWIDE) && (atoi(args[parsecount + 1]) <= MAX_TILESWIDE)) && ((atoi(args[parsecount + 2]) >= MIN_TILESHIGH) && (atoi(args[parsecount + 2]) <= MAX_TILESHIGH))) {
|
||||
(*gameParameters)[TilesWide] = atoi(args[parsecount + 1]);
|
||||
(*gameParameters)[TilesHigh] = atoi(args[parsecount + 2]);
|
||||
parsecount = parsecount + 3;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
} else if (strcmp(args[parsecount], "-b") == 0) {
|
||||
// NUMBER OF BLOCKS
|
||||
else if (strcmp(args[parsecount], "-b") == 0)
|
||||
{
|
||||
if ((parsecount + 1) < argc)
|
||||
{
|
||||
if ((atoi(args[parsecount + 1]) >= (MIN_NPCCOUNT - 1)) && (atoi(args[parsecount + 1]) <= (MAX_NPCCOUNT - 1)))
|
||||
{
|
||||
if ((parsecount + 1) < argc) {
|
||||
if ((atoi(args[parsecount + 1]) >= (MIN_NPCCOUNT - 1)) && (atoi(args[parsecount + 1]) <= (MAX_NPCCOUNT - 1))) {
|
||||
(*gameParameters)[NPCCount] = atoi(args[parsecount + 1]) + 1;
|
||||
parsecount = parsecount + 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
} else if (strcmp(args[parsecount], "-l") == 0) {
|
||||
// SNAKE'S LENGTH
|
||||
else if (strcmp(args[parsecount], "-l") == 0)
|
||||
{
|
||||
if ((parsecount + 1) < argc)
|
||||
{
|
||||
if ((atoi(args[parsecount + 1]) >= (MIN_SNAKELENGTH - 1)) && (atoi(args[parsecount + 1]) <= (MAX_SNAKELENGTH - 1)))
|
||||
{
|
||||
if ((parsecount + 1) < argc) {
|
||||
if ((atoi(args[parsecount + 1]) >= (MIN_SNAKELENGTH - 1)) && (atoi(args[parsecount + 1]) <= (MAX_SNAKELENGTH - 1))) {
|
||||
(*gameParameters)[SnakeLength] = atoi(args[parsecount + 1]) + 1;
|
||||
parsecount = parsecount + 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
} else if (strcmp(args[parsecount], "-s") == 0) {
|
||||
// SNAKE'S SPEED
|
||||
else if (strcmp(args[parsecount], "-s") == 0)
|
||||
{
|
||||
if ((parsecount + 1) < argc)
|
||||
{
|
||||
if ((atoi(args[parsecount + 1]) >= MIN_SNAKESPEED) && (atoi(args[parsecount + 1]) <= MAX_SNAKESPEED))
|
||||
{
|
||||
if ((parsecount + 1) < argc) {
|
||||
if ((atoi(args[parsecount + 1]) >= MIN_SNAKESPEED) && (atoi(args[parsecount + 1]) <= MAX_SNAKESPEED)) {
|
||||
(*gameParameters)[SnakeSpeed] = atoi(args[parsecount + 1]);
|
||||
parsecount = parsecount + 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// FAIL IF ANYTHING ELSE
|
||||
else
|
||||
{
|
||||
printErrorHelp(args[0]);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*PRINT THE HELP MENU TO THE COMMANDLINE*/
|
||||
void printHelpMenu(char filename[])
|
||||
{
|
||||
// PRINT THE HELP MENU TO THE COMMANDLINE
|
||||
void printHelpMenu(char filename[]) {
|
||||
fprintf(stdout, " Usage: %s [options]\n", filename);
|
||||
fprintf(stdout, " Options:\n");
|
||||
fprintf(stdout, " -g [width] [height]\tSet the grid size: between [%d]x[%d] and [%d]x[%d] (DEFAULT: [%d]x[%d])\n", MIN_TILESWIDE, MIN_TILESHIGH, MAX_TILESWIDE, MAX_TILESHIGH, DEFAULT_TILESWIDE, DEFAULT_TILESHIGH);
|
||||
|
|
@ -736,10 +757,8 @@ void printHelpMenu(char filename[])
|
|||
fprintf(stdout, " -h\t\t\tDisplay help information\n");
|
||||
}
|
||||
|
||||
/*DISPLAYS AN ERROR MESSAGE BEFORE CALLING THE HELP MENU FUNCTION*/
|
||||
void printErrorHelp(char filename[])
|
||||
{
|
||||
// DISPLAYS AN ERROR MESSAGE BEFORE CALLING THE HELP MENU FUNCTION
|
||||
void printErrorHelp(char filename[]) {
|
||||
fprintf(stderr, " Error: invalid input\n\n");
|
||||
printHelpMenu(filename);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue