Add save file path setting

main_csfml.c

@@ -157,7 +157,7 @@ void SFG_processEvent(uint8_t event, uint8_t data)
 
 void SFG_save(uint8_t data[SFG_SAVE_SIZE])
 {
-  FILE *f = fopen("anarch.sav","wb");
+  FILE *f = fopen(SFG_SAVE_FILE_PATH,"wb");
 
   if (f == NULL)
     return;
@@ -169,7 +169,7 @@ void SFG_save(uint8_t data[SFG_SAVE_SIZE])
 
 uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
 {
-  FILE *f = fopen("anarch.sav","rb");
+  FILE *f = fopen(SFG_SAVE_FILE_PATH,"rb");
 
   if (f != NULL)
   {

main_sdl.c

@@ -127,7 +127,7 @@ uint32_t SFG_getTimeMs()
 
 void SFG_save(uint8_t data[SFG_SAVE_SIZE])
 {
-  FILE *f = fopen("anarch.sav","wb");
+  FILE *f = fopen(SFG_SAVE_FILE_PATH,"wb");
 
   puts("SDL: opening and writing save file");
 
@@ -145,7 +145,7 @@ void SFG_save(uint8_t data[SFG_SAVE_SIZE])
 uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
 {
 #ifndef __EMSCRIPTEN__
-  FILE *f = fopen("anarch.sav","rb");
+  FILE *f = fopen(SFG_SAVE_FILE_PATH,"rb");
 
   puts("SDL: opening and reading save file");
 

settings.h

@@ -19,6 +19,14 @@
 #ifndef _SFG_SETTINGS_H
 #define _SFG_SETTINGS_H
 
+/**
+  Path to the save file. You may want to set this to some absolute path,
+  depending on your system.
+*/
+#ifndef SFG_SAVE_FILE_PATH
+  #define SFG_SAVE_FILE_PATH "anarch.sav"
+#endif
+
 /**
   Time multiplier in SFG_Units (1.0 == 1024). This can be used to slow down or
   speed up the game. Note that this also changes the rendering FPS accordingly