That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad
)
196 lines
5 KiB
C++
196 lines
5 KiB
C++
/*************************************************************************/
|
|
/* file_access_memory.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "file_access_memory.h"
|
|
|
|
#include "os/dir_access.h"
|
|
#include "os/copymem.h"
|
|
#include "globals.h"
|
|
#include "map.h"
|
|
|
|
static Map<String, Vector<uint8_t> >* files = NULL;
|
|
|
|
void FileAccessMemory::register_file(String p_name, Vector<uint8_t> p_data) {
|
|
|
|
if (!files) {
|
|
files = memnew((Map<String, Vector<uint8_t> >));
|
|
}
|
|
|
|
String name;
|
|
if (Globals::get_singleton())
|
|
name = Globals::get_singleton()->globalize_path(p_name);
|
|
else
|
|
name = p_name;
|
|
//name = DirAccess::normalize_path(name);
|
|
|
|
(*files)[name] = p_data;
|
|
}
|
|
|
|
void FileAccessMemory::cleanup() {
|
|
|
|
if (!files)
|
|
return;
|
|
|
|
memdelete(files);
|
|
}
|
|
|
|
|
|
FileAccess* FileAccessMemory::create() {
|
|
|
|
return memnew(FileAccessMemory);
|
|
}
|
|
|
|
bool FileAccessMemory::file_exists(const String& p_name) {
|
|
|
|
String name = fix_path(p_name);
|
|
// name = DirAccess::normalize_path(name);
|
|
|
|
return files && (files->find(name) != NULL);
|
|
}
|
|
|
|
|
|
Error FileAccessMemory::open_custom(const uint8_t* p_data, int p_len) {
|
|
|
|
data=(uint8_t*)p_data;
|
|
length=p_len;
|
|
pos=0;
|
|
return OK;
|
|
}
|
|
|
|
Error FileAccessMemory::_open(const String& p_path, int p_mode_flags) {
|
|
|
|
ERR_FAIL_COND_V(!files, ERR_FILE_NOT_FOUND);
|
|
|
|
String name = fix_path(p_path);
|
|
// name = DirAccess::normalize_path(name);
|
|
|
|
Map<String, Vector<uint8_t> >::Element* E = files->find(name);
|
|
ERR_FAIL_COND_V(!E, ERR_FILE_NOT_FOUND);
|
|
|
|
data = &(E->get()[0]);
|
|
length = E->get().size();
|
|
pos = 0;
|
|
|
|
return OK;
|
|
}
|
|
|
|
void FileAccessMemory::close() {
|
|
|
|
data = NULL;
|
|
}
|
|
|
|
bool FileAccessMemory::is_open() const {
|
|
|
|
return data != NULL;
|
|
}
|
|
|
|
void FileAccessMemory::seek(size_t p_position) {
|
|
|
|
ERR_FAIL_COND(!data);
|
|
pos = p_position;
|
|
}
|
|
|
|
void FileAccessMemory::seek_end(int64_t p_position) {
|
|
|
|
ERR_FAIL_COND(!data);
|
|
pos = length + p_position;
|
|
}
|
|
|
|
size_t FileAccessMemory::get_pos() const {
|
|
|
|
ERR_FAIL_COND_V(!data, 0);
|
|
return pos;
|
|
}
|
|
|
|
size_t FileAccessMemory::get_len() const {
|
|
|
|
ERR_FAIL_COND_V(!data, 0);
|
|
return length;
|
|
}
|
|
|
|
bool FileAccessMemory::eof_reached() const {
|
|
|
|
return pos > length;
|
|
}
|
|
|
|
uint8_t FileAccessMemory::get_8() const {
|
|
|
|
uint8_t ret = 0;
|
|
if (pos < length) {
|
|
ret = data[pos];
|
|
}
|
|
++pos;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int FileAccessMemory::get_buffer(uint8_t *p_dst,int p_length) const {
|
|
|
|
ERR_FAIL_COND_V(!data, -1);
|
|
|
|
int left = length - pos;
|
|
int read = MIN(p_length, left);
|
|
|
|
if (read < p_length) {
|
|
WARN_PRINT("Reading less data than requested");
|
|
};
|
|
|
|
copymem(p_dst, &data[pos], read);
|
|
pos += p_length;
|
|
|
|
return read;
|
|
}
|
|
|
|
Error FileAccessMemory::get_error() const {
|
|
|
|
return pos >= length ? ERR_FILE_EOF : OK;
|
|
}
|
|
|
|
void FileAccessMemory::store_8(uint8_t p_byte) {
|
|
|
|
ERR_FAIL_COND(!data);
|
|
ERR_FAIL_COND(pos >= length);
|
|
data[pos++] = p_byte;
|
|
}
|
|
|
|
void FileAccessMemory::store_buffer(const uint8_t *p_src,int p_length) {
|
|
|
|
int left = length - pos;
|
|
int write = MIN(p_length, left);
|
|
if (write < p_length) {
|
|
WARN_PRINT("Writing less data than requested");
|
|
}
|
|
|
|
copymem(&data[pos], p_src, write);
|
|
pos += p_length;
|
|
}
|
|
|
|
FileAccessMemory::FileAccessMemory() {
|
|
|
|
data = NULL;
|
|
}
|