create seperate core2/file.h header

include/core2/file.h

@@ -0,0 +1,55 @@
+#ifndef LOCAL_FILE_H
+#define LOCAL_FILE_H
+
+#include <ultra64.h>
+#include <bool.h> // for bool
+#include <enums.h> // for enum asset_e, enum map_e 
+
+enum file_mode_e {
+    FILE_MODE_0_UNKNOWN,
+    FILE_MODE_1_UNKNOWN,
+    FILE_MODE_2_FROM_ASSET,
+    FILE_MODE_3_FROM_MEMORY,
+    FILE_MODE_4_ALLOCATED
+};
+
+typedef struct file_s {
+    void *asset_base_ptr;
+    void *asset_current_ptr;
+    void *base_ptr;
+    void *current_ptr;
+    void *end_ptr;
+    enum file_mode_e mode;
+    u8 pad18[0x64];
+    s32 last_expected; // used in file_isNextByteExpected
+    s32 unk80; // always set to -1 and never used
+} File;
+
+void file_close(File* file);
+File *file_open(enum asset_e asset_id);
+File *file_openMap(enum map_e map_id);
+File *file_openWithBaseIndex(s32 indx, enum asset_e base_indx);
+File *file_openFromMem(void *ptr, s32 size);
+File *file_allocNew(void);
+void file_realloc(File *file, void **arg1, s32 *size);
+void file_getByte(File *file, u8 *dst);
+void file_getNBytes(File *file, u8 *dst, s32 cnt);
+void file_getFloat(File *file, f32 *dst);
+void file_getNFloat(File *file, f32 *dst, s32 cnt);
+void file_getWord(File *file, s32 *dst);
+void file_getNWords(File *file, s32 *dst, s32 cnt);
+void file_read(File *file, void *dst, s32 len);
+void file_getShort(File *file, s16 *dst);
+void file_getNShorts(File *file, s16 *dst, s32 cnt);
+bool file_isNextByteExpected(File *file, s32 expected);
+bool file_getByte_ifExpected(File *file, s32 expected, u8 *dst);
+bool file_getNBytes_ifExpected(File *file, s32 expected, u8 *dst, s32 cnt);
+bool file_getFloat_ifExpected(File *file, s32 expected, f32 *dst);
+bool file_getNFloats_ifExpected(File *file, s32 expected, f32 *dst, s32 cnt);
+bool file_getWord_ifExpected(File *file, s32 expected, s32 *dst);
+bool file_getNWords_ifExpected(File *file, s32 expected, s32 *dst, s32 cnt);
+bool file_get_ifExpected(File *file, s32 expected, void *dst, s32 len);
+bool file_getShort_ifExpected(File *file, s32 expected, s16 *dst);
+bool file_getNShorts_ifExpected(File *file, s32 expected, s16 *dst, s32 cnt);
+
+#endif