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Saveload: Remove test pass from ScriptInstance::Save

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Use SlConditionallySave to discard the saved data instead if there
was an error
This commit is contained in:
Jonathan G Rennison
2023-08-14 18:51:58 +01:00
parent e3021de408
commit 6ccbd7cce2
2 changed files with 22 additions and 44 deletions
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62
src/script/script_instance.cpp
View File

@@ -378,7 +378,7 @@ ScriptLogTypes::LogData &ScriptInstance::GetLogData()
* - null: No data.
*/
/* static */ bool ScriptInstance::SaveObject(HSQUIRRELVM vm, SQInteger index, int max_depth, bool test)
/* static */ bool ScriptInstance::SaveObject(HSQUIRRELVM vm, SQInteger index, int max_depth)
{
if (max_depth == 0) {
ScriptLog::Error("Savedata can only be nested to 25 deep. No data saved."); // SQUIRREL_MAX_DEPTH = 25
@@ -387,22 +387,16 @@ ScriptLogTypes::LogData &ScriptInstance::GetLogData()
switch (sq_gettype(vm, index)) {
case OT_INTEGER: {
if (!test) {
SlWriteByte(SQSL_INT);
}
SlWriteByte(SQSL_INT);
SQInteger res;
sq_getinteger(vm, index, &res);
if (!test) {
int64 value = (int64)res;
SlArray(&value, 1, SLE_INT64);
}
int64 value = (int64)res;
SlArray(&value, 1, SLE_INT64);
return true;
}
case OT_STRING: {
if (!test) {
SlWriteByte(SQSL_STRING);
}
SlWriteByte(SQSL_STRING);
const SQChar *buf;
sq_getstring(vm, index, &buf);
size_t len = strlen(buf) + 1;
@@ -410,21 +404,17 @@ ScriptLogTypes::LogData &ScriptInstance::GetLogData()
ScriptLog::Error("Maximum string length is 254 chars. No data saved.");
return false;
}
if (!test) {
SlWriteByte((byte)len);
SlArray(const_cast<char *>(buf), len, SLE_CHAR);
}
SlWriteByte((byte)len);
SlArray(const_cast<char *>(buf), len, SLE_CHAR);
return true;
}
case OT_ARRAY: {
if (!test) {
SlWriteByte(SQSL_ARRAY);
}
SlWriteByte(SQSL_ARRAY);
sq_pushnull(vm);
while (SQ_SUCCEEDED(sq_next(vm, index - 1))) {
/* Store the value */
bool res = SaveObject(vm, -1, max_depth - 1, test);
bool res = SaveObject(vm, -1, max_depth - 1);
sq_pop(vm, 2);
if (!res) {
sq_pop(vm, 1);
@@ -432,20 +422,16 @@ ScriptLogTypes::LogData &ScriptInstance::GetLogData()
}
}
sq_pop(vm, 1);
if (!test) {
SlWriteByte(SQSL_ARRAY_TABLE_END);
}
SlWriteByte(SQSL_ARRAY_TABLE_END);
return true;
}
case OT_TABLE: {
if (!test) {
SlWriteByte(SQSL_TABLE);
}
SlWriteByte(SQSL_TABLE);
sq_pushnull(vm);
while (SQ_SUCCEEDED(sq_next(vm, index - 1))) {
/* Store the key + value */
bool res = SaveObject(vm, -2, max_depth - 1, test) && SaveObject(vm, -1, max_depth - 1, test);
bool res = SaveObject(vm, -2, max_depth - 1) && SaveObject(vm, -1, max_depth - 1);
sq_pop(vm, 2);
if (!res) {
sq_pop(vm, 1);
@@ -453,28 +439,20 @@ ScriptLogTypes::LogData &ScriptInstance::GetLogData()
}
}
sq_pop(vm, 1);
if (!test) {
SlWriteByte(SQSL_ARRAY_TABLE_END);
}
SlWriteByte(SQSL_ARRAY_TABLE_END);
return true;
}
case OT_BOOL: {
if (!test) {
SlWriteByte(SQSL_BOOL);
}
SlWriteByte(SQSL_BOOL);
SQBool res;
sq_getbool(vm, index, &res);
if (!test) {
SlWriteByte(res ? 1 : 0);
}
SlWriteByte(res ? 1 : 0);
return true;
}
case OT_NULL: {
if (!test) {
SlWriteByte(SQSL_NULL);
}
SlWriteByte(SQSL_NULL);
return true;
}
@@ -503,7 +481,7 @@ void ScriptInstance::Save()
if (this->is_save_data_on_stack) {
SlWriteByte(1);
/* Save the data that was just loaded. */
SaveObject(vm, -1, SQUIRREL_MAX_DEPTH, false);
SaveObject(vm, -1, SQUIRREL_MAX_DEPTH);
} else if (!this->is_started) {
SaveEmpty();
return;
@@ -542,9 +520,11 @@ void ScriptInstance::Save()
return;
}
sq_pushobject(vm, savedata);
if (SaveObject(vm, -1, SQUIRREL_MAX_DEPTH, true)) {
bool saved = SlConditionallySave([&]() {
SlWriteByte(1);
SaveObject(vm, -1, SQUIRREL_MAX_DEPTH, false);
return SaveObject(vm, -1, SQUIRREL_MAX_DEPTH);
});
if (saved) {
this->is_save_data_on_stack = true;
} else {
SaveEmpty();

4
src/script/script_instance.hpp
View File

@@ -315,11 +315,9 @@ private:
* @param index The index on the squirrel stack of the element to save.
* @param max_depth The maximum depth recursive arrays / tables will be stored
* with before an error is returned.
* @param test If true, don't really store the data but only check if it is
* valid.
* @return True if the saving was successful.
*/
static bool SaveObject(HSQUIRRELVM vm, SQInteger index, int max_depth, bool test);
static bool SaveObject(HSQUIRRELVM vm, SQInteger index, int max_depth);
/**
* Load all objects from a savegame.