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Merge branch 'save_ext' into jgrpp

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This commit is contained in:
Jonathan G Rennison 2018-01-12 01:14:12 +00:00
commit 5db5581684
2 changed files with 8 additions and 0 deletions
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2
src/saveload/extended_ver_sl.cpp
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@ -95,6 +95,8 @@ bool SlXvFeatureTest::IsFeaturePresent(uint16 savegame_version, uint16 savegame_
{
bool savegame_version_ok = savegame_version >= savegame_version_from && savegame_version <= savegame_version_to;
if (this->functor) return (*this->functor)(savegame_version, savegame_version_ok);
if (this->feature == XSLFI_NULL) return savegame_version_ok;
bool feature_ok = SlXvIsFeaturePresent(this->feature, this->min_version, this->max_version);

6
src/saveload/extended_ver_sl.h
View File

@ -79,11 +79,14 @@ enum SlXvFeatureTestOperator {
* Structure to describe an extended feature version test, and how it combines with a traditional savegame version test
*/
struct SlXvFeatureTest {
using TestFunctorPtr = bool (*)(uint16, bool); ///< Return true if feature present, first parameter is standard savegame version, second is whether standard savegame version is within bounds
private:
uint16 min_version;
uint16 max_version;
SlXvFeatureIndex feature;
SlXvFeatureTestOperator op;
TestFunctorPtr functor = nullptr;
public:
SlXvFeatureTest()
@ -92,6 +95,9 @@ struct SlXvFeatureTest {
SlXvFeatureTest(SlXvFeatureTestOperator op_, SlXvFeatureIndex feature_, uint16 min_version_ = 1, uint16 max_version_ = 0xFFFF)
: min_version(min_version_), max_version(max_version_), feature(feature_), op(op_) { }
SlXvFeatureTest(TestFunctorPtr functor_)
: min_version(0), max_version(0), feature(XSLFI_NULL), op(XSLFTO_OR), functor(functor_) { }
bool IsFeaturePresent(uint16 savegame_version, uint16 savegame_version_from, uint16 savegame_version_to) const;
};