diff options
Diffstat (limited to 'core/io/file_access.cpp')
| -rw-r--r-- | core/io/file_access.cpp | 119 |
1 files changed, 33 insertions, 86 deletions
diff --git a/core/io/file_access.cpp b/core/io/file_access.cpp index 1cf388b33a..d919243e6b 100644 --- a/core/io/file_access.cpp +++ b/core/io/file_access.cpp @@ -59,11 +59,9 @@ bool FileAccess::exists(const String &p_name) { return true; } - Ref<FileAccess> f = open(p_name, READ); - if (f.is_null()) { - return false; - } - return true; + // Using file_exists because it's faster than trying to open the file. + Ref<FileAccess> ret = create_for_path(p_name); + return ret->file_exists(p_name); } void FileAccess::_set_access_type(AccessType p_access) { @@ -225,59 +223,44 @@ String FileAccess::fix_path(const String &p_path) const { } /* these are all implemented for ease of porting, then can later be optimized */ +uint8_t FileAccess::get_8() const { + uint8_t data = 0; + get_buffer(&data, sizeof(uint8_t)); -uint16_t FileAccess::get_16() const { - uint16_t res; - uint8_t a, b; + return data; +} - a = get_8(); - b = get_8(); +uint16_t FileAccess::get_16() const { + uint16_t data = 0; + get_buffer(reinterpret_cast<uint8_t *>(&data), sizeof(uint16_t)); if (big_endian) { - SWAP(a, b); + data = BSWAP16(data); } - res = b; - res <<= 8; - res |= a; - - return res; + return data; } uint32_t FileAccess::get_32() const { - uint32_t res; - uint16_t a, b; - - a = get_16(); - b = get_16(); + uint32_t data = 0; + get_buffer(reinterpret_cast<uint8_t *>(&data), sizeof(uint32_t)); if (big_endian) { - SWAP(a, b); + data = BSWAP32(data); } - res = b; - res <<= 16; - res |= a; - - return res; + return data; } uint64_t FileAccess::get_64() const { - uint64_t res; - uint32_t a, b; - - a = get_32(); - b = get_32(); + uint64_t data = 0; + get_buffer(reinterpret_cast<uint8_t *>(&data), sizeof(uint64_t)); if (big_endian) { - SWAP(a, b); + data = BSWAP64(data); } - res = b; - res <<= 32; - res |= a; - - return res; + return data; } float FileAccess::get_float() const { @@ -467,17 +450,6 @@ String FileAccess::get_as_text(bool p_skip_cr) const { return text; } -uint64_t FileAccess::get_buffer(uint8_t *p_dst, uint64_t p_length) const { - ERR_FAIL_COND_V(!p_dst && p_length > 0, -1); - - uint64_t i = 0; - for (i = 0; i < p_length && !eof_reached(); i++) { - p_dst[i] = get_8(); - } - - return i; -} - Vector<uint8_t> FileAccess::get_buffer(int64_t p_length) const { Vector<uint8_t> data; @@ -490,7 +462,7 @@ Vector<uint8_t> FileAccess::get_buffer(int64_t p_length) const { ERR_FAIL_COND_V_MSG(err != OK, data, "Can't resize data to " + itos(p_length) + " elements."); uint8_t *w = data.ptrw(); - int64_t len = get_buffer(&w[0], p_length); + int64_t len = get_buffer(w, p_length); if (len < p_length) { data.resize(len); @@ -514,46 +486,32 @@ String FileAccess::get_as_utf8_string(bool p_skip_cr) const { return s; } -void FileAccess::store_16(uint16_t p_dest) { - uint8_t a, b; - - a = p_dest & 0xFF; - b = p_dest >> 8; +void FileAccess::store_8(uint8_t p_dest) { + store_buffer(&p_dest, sizeof(uint8_t)); +} +void FileAccess::store_16(uint16_t p_dest) { if (big_endian) { - SWAP(a, b); + p_dest = BSWAP16(p_dest); } - store_8(a); - store_8(b); + store_buffer(reinterpret_cast<uint8_t *>(&p_dest), sizeof(uint16_t)); } void FileAccess::store_32(uint32_t p_dest) { - uint16_t a, b; - - a = p_dest & 0xFFFF; - b = p_dest >> 16; - if (big_endian) { - SWAP(a, b); + p_dest = BSWAP32(p_dest); } - store_16(a); - store_16(b); + store_buffer(reinterpret_cast<uint8_t *>(&p_dest), sizeof(uint32_t)); } void FileAccess::store_64(uint64_t p_dest) { - uint32_t a, b; - - a = p_dest & 0xFFFFFFFF; - b = p_dest >> 32; - if (big_endian) { - SWAP(a, b); + p_dest = BSWAP64(p_dest); } - store_32(a); - store_32(b); + store_buffer(reinterpret_cast<uint8_t *>(&p_dest), sizeof(uint64_t)); } void FileAccess::store_real(real_t p_real) { @@ -710,22 +668,11 @@ void FileAccess::store_csv_line(const Vector<String> &p_values, const String &p_ store_line(line); } -void FileAccess::store_buffer(const uint8_t *p_src, uint64_t p_length) { - ERR_FAIL_COND(!p_src && p_length > 0); - for (uint64_t i = 0; i < p_length; i++) { - store_8(p_src[i]); - } -} - void FileAccess::store_buffer(const Vector<uint8_t> &p_buffer) { uint64_t len = p_buffer.size(); - if (len == 0) { - return; - } - const uint8_t *r = p_buffer.ptr(); - store_buffer(&r[0], len); + store_buffer(r, len); } void FileAccess::store_var(const Variant &p_var, bool p_full_objects) { |