Various improvements

- Better score saving with error handling
- Added OPK support (yay!)
- Improved README

src/include.h

@@ -4,8 +4,11 @@
 #include <time.h>
 #include <unistd.h>
 #include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <errno.h>
 
 #include <SDL/SDL.h>
 #include <SDL/SDL_image.h>
 #include "SDL/SDL_mixer.h"
-#include "SDL/SDL_sound.h"
+#include "SDL/SDL_sound.h"

src/logic.c

@@ -1,15 +1,40 @@
 #include "include.h"
 
+
+
+void get_best_score_path(char* reference) {
+    sprintf(reference, "%s/.jiljil/best_score", getenv("HOME"));
+} 
+
 // get_best_score_from_file loads the best saved score from best_score.txt and puts it to best_score
 int get_best_score_from_file(void) {
 
-    if(access("./best_score.txt", F_OK) != 0) {
+    char best_score_path[64];
+    get_best_score_path(best_score_path);
+
+    if(access(best_score_path, F_OK) != 0) {
+        printf("Couldn't read best score file at %s. This is normal if it's your first play.\n", best_score_path);
+        errno = 0;
+        char dirtomake[64];
+        sprintf(dirtomake, "%s/.jiljil/", getenv("HOME"));
+        if(mkdir(dirtomake, S_IRWXU) == -1) {
+            switch (errno) {
+                case EACCES :
+                    printf("The home directory does not to allow write the .jiljil directory\n");
+                case EEXIST:
+                    printf("Pathname already exists\n");
+                case ENAMETOOLONG:
+                    printf("Pathname is too long\n");
+                default:
+                    perror("Error creating directory");
+            }
+        }
         return 0;
     }
 
     FILE *fp;
     char buff[10];
-    fp = fopen("./best_score.txt", "r");
+    fp = fopen(best_score_path, "r");
     fscanf(fp, "%s", buff);
     int bs;
     sscanf(buff, "%d", &bs);
@@ -17,11 +42,21 @@ int get_best_score_from_file(void) {
 
 }
 
-// save_best_score_to_file puts the best score (from global var best_score) to best_score.txt
+// save_best_score_to_file puts the best score to best_score.txt
 void save_best_score_to_file(int score) {
 
+    char best_score_path[64];
+    get_best_score_path(best_score_path);
+    FILE *fp;
+
     int best_score = score;
-    FILE *fp = fopen("./best_score.txt", "w");
+    fp = fopen(best_score_path, "w");
+    
+    if(fp == NULL) {
+        perror("Best score has NOT ben saved! Error opening file to save score");
+        return;
+    }
+    
     char snum[5];
     sprintf(snum, "%d", best_score);
     fputs(snum, fp);
@@ -83,6 +118,7 @@ void lemon_cap(float *speed_x, float *speed_y) {
     entity_cap(speed_x, speed_y);
 }
 
+// avoid player flickering because the speed is close to zero, but enough to make it move slightly
 void player_approximate(float *player_speed_x, float *player_speed_y) {
     if(*player_speed_x > -0.1 && *player_speed_x < 0.1) {
         *player_speed_x = 0;
@@ -132,4 +168,4 @@ int check_player_inside_prints(int tail_x, int tail_y, int paw1_x, int paw1_y, i
 
     return 0;
 
-}
+}

src/match.c

@@ -33,7 +33,6 @@ int pause_game(SDL_Surface *screen) {
                 case SDLK_BACKSPACE: //R -> reset
                     resume_bgm();
                     return 2;
-                    break;
                 case SDLK_LSHIFT: //Y -> clear best score
                     save_best_score_to_file(0);
                     resume_bgm();
@@ -247,8 +246,13 @@ int match(SDL_Surface *screen) {
 			
             Uint32 end = SDL_GetTicks();
             float elapsedMS = end - start;
+            float sleepFor = floor(16.666f - elapsedMS);
 
-            SDL_Delay(floor(16.666f - elapsedMS));
+            if(sleepFor < 0) {
+                sleepFor = 0; // just to be safe
+            }
+
+            SDL_Delay(sleepFor);
 
         }
 
@@ -274,7 +278,9 @@ int match(SDL_Surface *screen) {
             case SDL_KEYDOWN:
                 switch (event.key.keysym.sym) {
                 case SDLK_ESCAPE: //select -> pause menu
-                    pause_game(screen);
+                    if(pause_game(screen) == 1){
+                        return 1;
+                    }
                 case SDLK_RETURN: //start -> new game
                     return 0;
                 default:
@@ -348,4 +354,4 @@ int boot_animation(SDL_Surface *screen) {
         SDL_Delay(100);
     }
 
-}
+}