Start user file

frontend_sdl.c

@@ -3,6 +3,8 @@
 
 #define LCR_SETTING_LOG_LEVEL 2
 
+#define DATA_FILE_NAME "data"
+
 #include "game.h"
 
 SDL_Window *window;
@@ -12,15 +14,44 @@ SDL_Surface *screenSurface;
 uint16_t screen[LCR_SETTING_RESOLUTION_X * LCR_SETTING_RESOLUTION_Y];
 
 FILE *musicFile = 0;
+FILE *dataFile = 0;
 
 char LCR_getNextDataFileChar(void)
 {
-  return 0;
+  if (!dataFile)
+    return 0;
+
+  int c = fgetc(dataFile);
+
+  if (c == EOF)
+  {
+    rewind(dataFile);
+    return 0;
+  }
+
+  return c;
 }
 
 void LCR_appendDataStr(const char *str)
 {
-  return;
+  if (!dataFile)
+    return;
+
+  if (*str == 0)
+    rewind(dataFile);
+  else
+  {
+    fclose(dataFile);
+    
+    dataFile = fopen(DATA_FILE_NAME,"a");
+    
+    if (dataFile)
+    {
+      fprintf(dataFile,"%s",str);
+      fclose(dataFile);
+      dataFile = fopen(DATA_FILE_NAME,"r");
+    }
+  }
 }
 
 void audioFillCallback(void *userdata, uint8_t *s, int l)
@@ -87,6 +118,11 @@ int main(int argc, char *argv[])
 {
   uint8_t running = 1;
 
+  dataFile = fopen(DATA_FILE_NAME,"r");
+
+  if (!dataFile)
+    LCR_log("couldn't open data file");
+
   LCR_log("initializing game");
   LCR_gameInit();
 
@@ -171,6 +207,9 @@ int main(int argc, char *argv[])
   if (musicFile)
     fclose(musicFile);
 
+  if (dataFile)
+    fclose(dataFile);
+
   SDL_PauseAudio(1);
   SDL_CloseAudio();