Split lib_12dc0.c into rng.c and args.c

src/include/game/data/data_000000.h

@@ -4,7 +4,7 @@
 #include "types.h"
 
 extern s32 g_StageNum;
-extern u64 rand_seed;
+extern u64 g_RngSeed;
 
 extern struct chrdata *g_ChrSlots; // pointer to first element of chrs array
 extern s32 g_NumChrSlots;

src/include/lib/args.h

@@ -1,15 +1,12 @@
-#ifndef _IN_LIB_LIB_12DC0_H
-#define _IN_LIB_LIB_12DC0_H
+#ifndef _IN_LIB_ARGS_H
+#define _IN_LIB_ARGS_H
 #include <ultra64.h>
 #include "types.h"
 
-void rngSetSeed(u32 amount);
-u32 func00012e1c(u64 *value);
 char *argParseString(char *str);
 void argSetString(char *string);
 s32 argsParseDebugArgs(void);
 char *argFindByPrefix(s32 occurrence, char *string);
 void argGetLevel(s32 *stagenum);
-u32 random(void);
 
 #endif

src/include/lib/rng.h

@@ -0,0 +1,10 @@
+#ifndef _IN_LIB_RNG_H
+#define _IN_LIB_RNG_H
+#include <ultra64.h>
+#include "types.h"
+
+u32 random(void);
+void rngSetSeed(u32 seed);
+u32 func00012e1c(u64 *value);
+
+#endif