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luaengine: rework state getter/setter for saves

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Improve state_get_value and state_set_value by using the
parent device_state_interface and triggering callbacks for
updates.

While at it, also remove the hackish friend relationship.

Signed-off-by: Luca Bruno <lucab@debian.org>
This commit is contained in:
Luca Bruno 2015-01-17 23:32:57 +01:00
parent 39788873b0
commit 37cd9a2d98
2 changed files with 14 additions and 5 deletions
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1
src/emu/distate.h
View File

@ -45,7 +45,6 @@ class device_state_entry
{ {
friend class device_state_interface; friend class device_state_interface;
friend class simple_list<device_state_entry>; friend class simple_list<device_state_entry>;
friend class lua_engine;
private: private:
// construction/destruction // construction/destruction

18
src/emu/luaengine.c
View File

@ -456,23 +456,33 @@ luabridge::LuaRef lua_engine::l_dev_get_states(const device_t *d)
} }
//------------------------------------------------- //-------------------------------------------------
// state_get_value - return value of a devices state // state_get_value - return value of a device state entry
// -> manager:machine().devices[":maincpu"].state["PC"].value // -> manager:machine().devices[":maincpu"].state["PC"].value
//------------------------------------------------- //-------------------------------------------------
UINT64 lua_engine::l_state_get_value(const device_state_entry *d) UINT64 lua_engine::l_state_get_value(const device_state_entry *d)
{ {
return d->value(); device_state_interface *state = d->parent_state();
if(state) {
luaThis->machine().save().dispatch_presave();
return state->state_int(d->index());
} else {
return 0;
}
} }
//------------------------------------------------- //-------------------------------------------------
// state_set_value - set value of a devices state // state_set_value - set value of a device state entry
// -> manager:machine().devices[":maincpu"].state["D0"].value = 0x0c00 // -> manager:machine().devices[":maincpu"].state["D0"].value = 0x0c00
//------------------------------------------------- //-------------------------------------------------
void lua_engine::l_state_set_value(device_state_entry *d, UINT64 val) void lua_engine::l_state_set_value(device_state_entry *d, UINT64 val)
{ {
d->set_value(val); device_state_interface *state = d->parent_state();
if(state) {
state->set_state_int(d->index(), val);
luaThis->machine().save().dispatch_presave();
}
} }
//------------------------------------------------- //-------------------------------------------------