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Stop encrypting LuaScript code during level save

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This commit is contained in:
ROllerozxa 2023-06-05 22:51:02 +02:00
commit f4aecbf5d0
1 changed files with 10 additions and 8 deletions
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18
src/src/escript.cc
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@ -4234,6 +4234,10 @@ escript::solve_electronics()
static unsigned char keys[5] = {0x41, 0xf3, 0x1a, 0x44, 0x14};
#define IS_ENCRYPTED(ver) \
ver >= LEVEL_VERSION_1_5 \
&& ver < LEVEL_VERSION_2023_06_05
void
escript::on_load(bool created, bool has_state)
{
@ -4275,9 +4279,8 @@ escript::on_load(bool created, bool has_state)
}
if (!created) {
/* In level 1.5 and above, all Luascript-objects code will be encrypted.
* So on_load, we need to decrypt the string to make it usable! */
if (W->level.version >= LEVEL_VERSION_1_5) {
// For old level versions above 1.5+, LuaScript code is encrypted
if (IS_ENCRYPTED(W->level.version)) {
for (uint32_t x=0; x<this->properties[0].v.s.len; ++x) {
this->properties[0].v.s.buf[x] ^= keys[x%5];
}
@ -4290,9 +4293,8 @@ escript::pre_write()
{
entity::pre_write();
/* In level 1.5 and above, we encrypt the code before writing it
* to the level file. */
if (W->level.version >= LEVEL_VERSION_1_5) {
// For old level versions above 1.5+, LuaScript code is encrypted
if (IS_ENCRYPTED(W->level.version)) {
for (uint32_t x=0; x<this->properties[0].v.s.len; ++x) {
this->properties[0].v.s.buf[x] ^= keys[x%5];
}
@ -4304,8 +4306,8 @@ escript::post_write()
{
entity::post_write();
/* Once the level has been written to a file, we can decrypt it again! */
if (W->level.version >= LEVEL_VERSION_1_5) {
// For old level versions above 1.5+, LuaScript code is encrypted
if (IS_ENCRYPTED(W->level.version)) {
for (uint32_t x=0; x<this->properties[0].v.s.len; ++x) {
this->properties[0].v.s.buf[x] ^= keys[x%5];
}