historical/toontown-classic.git/panda/include/iffInputFile.h
2024-01-16 11:20:27 -06:00

98 lines
2.1 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file iffInputFile.h
* @author drose
* @date 2001-04-24
*/
#ifndef IFFINPUTFILE_H
#define IFFINPUTFILE_H
#include "pandatoolbase.h"
#include "iffId.h"
#include "iffChunk.h"
#include "typedObject.h"
#include "pointerTo.h"
class Datagram;
/**
* A wrapper around an istream used for reading an IFF file.
*/
class IffInputFile : public TypedObject {
public:
IffInputFile();
virtual ~IffInputFile();
bool open_read(Filename filename);
void set_input(std::istream *input, bool owns_istream);
INLINE void set_filename(const Filename &filename);
INLINE const Filename &get_filename() const;
INLINE bool is_eof() const;
INLINE size_t get_bytes_read() const;
INLINE void align();
int8_t get_int8();
uint8_t get_uint8();
int16_t get_be_int16();
int32_t get_be_int32();
uint16_t get_be_uint16();
uint32_t get_be_uint32();
PN_stdfloat get_be_float32();
std::string get_string();
IffId get_id();
PT(IffChunk) get_chunk();
PT(IffChunk) get_subchunk(IffChunk *context);
bool read_byte(char &byte);
bool read_bytes(Datagram &datagram, int length);
bool skip_bytes(int length);
protected:
virtual IffChunk *make_new_chunk(IffId id);
std::istream *_input;
Filename _filename;
bool _owns_istream;
bool _eof;
bool _unexpected_eof;
size_t _bytes_read;
public:
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedObject::init_type();
register_type(_type_handle, "IffInputFile",
TypedObject::get_class_type());
}
private:
static TypeHandle _type_handle;
friend class IffChunk;
};
#include "iffInputFile.I"
#endif