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Scripting: Add savestate slot access

This commit is contained in:
Vicki Pfau 2022-05-14 15:08:18 -07:00
parent e228857eef
commit cb9d45caee
3 changed files with 46 additions and 23 deletions
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1
include/mgba/core/serialize.h
View File

@ -26,6 +26,7 @@ enum mStateExtdataTag {
#define SAVESTATE_CHEATS 4
#define SAVESTATE_RTC 8
#define SAVESTATE_METADATA 16
#define SAVESTATE_ALL 31
struct mStateExtdataItem {
int32_t size;

3
src/core/core.c
View File

@ -295,6 +295,9 @@ struct VFile* mCoreGetState(struct mCore* core, int slot, bool write) {
if (!core->dirs.state) {
return NULL;
}
if (slot < 0) {
return NULL;
}
char name[PATH_MAX + 14]; // Quash warning
snprintf(name, sizeof(name), "%s.ss%i", core->dirs.baseName, slot);
return core->dirs.state->openFile(core->dirs.state, name, write ? (O_CREAT | O_TRUNC | O_RDWR) : O_RDONLY);

65
src/core/scripting.c
View File

@ -6,6 +6,7 @@
#include <mgba/core/scripting.h>
#include <mgba/core/core.h>
#include <mgba/core/serialize.h>
#include <mgba/script/context.h>
#include <mgba-util/table.h>
#include <mgba-util/vfs.h>
@ -244,32 +245,50 @@ mSCRIPT_DECLARE_STRUCT_VOID_D_METHOD(mCore, busWrite8, 2, U32, address, U8, valu
mSCRIPT_DECLARE_STRUCT_VOID_D_METHOD(mCore, busWrite16, 2, U32, address, U16, value);
mSCRIPT_DECLARE_STRUCT_VOID_D_METHOD(mCore, busWrite32, 2, U32, address, U32, value);
mSCRIPT_DEFINE_STRUCT(mCore)
mSCRIPT_DEFINE_DOCSTRING("Get the number of the current frame")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, currentFrame, frameCounter)
mSCRIPT_DEFINE_DOCSTRING("Get the number of cycles per frame")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, frameCycles)
mSCRIPT_DEFINE_DOCSTRING("Get the number of cycles per second")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, frequency)
mSCRIPT_DEFINE_DOCSTRING("Run until the next frame")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, runFrame)
mSCRIPT_DEFINE_DOCSTRING("Run a single instruction")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, step)
mSCRIPT_DECLARE_STRUCT_METHOD_WITH_DEFAULTS(mCore, S32, saveStateSlot, mCoreSaveState, 2, S32, slot, S32, flags);
mSCRIPT_DECLARE_STRUCT_METHOD_WITH_DEFAULTS(mCore, S32, loadStateSlot, mCoreLoadState, 2, S32, slot, S32, flags);
mSCRIPT_DEFINE_DOCSTRING("Read an 8-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read8, busRead8)
mSCRIPT_DEFINE_DOCSTRING("Read a 16-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read16, busRead16)
mSCRIPT_DEFINE_DOCSTRING("Read a 32-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read32, busRead32)
mSCRIPT_DEFINE_DOCSTRING("Write an 8-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write8, busWrite8)
mSCRIPT_DEFINE_DOCSTRING("Write a 16-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write16, busWrite16)
mSCRIPT_DEFINE_DOCSTRING("Write a 32-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write32, busWrite32)
mSCRIPT_DEFINE_STRUCT(mCore)
mSCRIPT_DEFINE_DOCSTRING("Get the number of the current frame")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, currentFrame, frameCounter)
mSCRIPT_DEFINE_DOCSTRING("Get the number of cycles per frame")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, frameCycles)
mSCRIPT_DEFINE_DOCSTRING("Get the number of cycles per second")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, frequency)
mSCRIPT_DEFINE_DOCSTRING("Run until the next frame")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, runFrame)
mSCRIPT_DEFINE_DOCSTRING("Run a single instruction")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, step)
mSCRIPT_DEFINE_DOCSTRING("Read an 8-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read8, busRead8)
mSCRIPT_DEFINE_DOCSTRING("Read a 16-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read16, busRead16)
mSCRIPT_DEFINE_DOCSTRING("Read a 32-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, read32, busRead32)
mSCRIPT_DEFINE_DOCSTRING("Write an 8-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write8, busWrite8)
mSCRIPT_DEFINE_DOCSTRING("Write a 16-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write16, busWrite16)
mSCRIPT_DEFINE_DOCSTRING("Write a 32-bit value from the given bus address")
mSCRIPT_DEFINE_STRUCT_METHOD_NAMED(mCore, write32, busWrite32)
mSCRIPT_DEFINE_DOCSTRING("Save state to the slot number")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, saveStateSlot)
mSCRIPT_DEFINE_DOCSTRING("Load state from the slot number")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, loadStateSlot)
mSCRIPT_DEFINE_END;
mSCRIPT_DEFINE_STRUCT_BINDING_DEFAULTS(mCore, saveStateSlot)
mSCRIPT_NO_DEFAULT,
mSCRIPT_MAKE_S32(SAVESTATE_ALL)
mSCRIPT_DEFINE_DEFAULTS_END;
mSCRIPT_DEFINE_STRUCT_BINDING_DEFAULTS(mCore, loadStateSlot)
mSCRIPT_NO_DEFAULT,
mSCRIPT_MAKE_S32(SAVESTATE_ALL & ~SAVESTATE_SAVEDATA)
mSCRIPT_DEFINE_DEFAULTS_END;
static void _clearMemoryMap(struct mScriptContext* context, struct mScriptCoreAdapter* adapter, bool clear) {
struct TableIterator iter;
if (mScriptTableIteratorStart(&adapter->memory, &iter)) {