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Merge pull request #718 from motoschifo/master

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Added Lua function screen.orientation()
This commit is contained in:
Olivier Galibert 2016-03-14 13:01:55 +01:00
commit df00bf568f
2 changed files with 50 additions and 0 deletions
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49
src/emu/luaengine.cpp
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@ -838,6 +838,54 @@ int lua_engine::lua_screen::l_width(lua_State *L)
return 1;
}
//-------------------------------------------------
// screen_orientation - return screen orientation
// -> manager:machine().screens[":screen"]:orientation()
// -> rotation_angle (0, 90, 180, 270)
// -> flipx (true, false)
// -> flipy (true, false)
//-------------------------------------------------
int lua_engine::lua_screen::l_orientation(lua_State *L)
{
UINT32 flags = (luaThis->machine().system().flags & ORIENTATION_MASK);
int rotation_angle = 0;
switch (flags)
{
case ORIENTATION_FLIP_X:
rotation_angle = 0;
break;
case ORIENTATION_SWAP_XY:
case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_X:
rotation_angle = 90;
break;
case ORIENTATION_FLIP_Y:
case ORIENTATION_FLIP_X|ORIENTATION_FLIP_Y:
rotation_angle = 180;
break;
case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_Y:
case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_X|ORIENTATION_FLIP_Y:
rotation_angle = 270;
break;
}
lua_createtable(L, 2, 2);
lua_pushliteral(L, "rotation_angle");
lua_pushinteger(L, rotation_angle);
lua_settable(L, -3);
lua_pushliteral(L, "flipx");
lua_pushboolean(L, (flags & ORIENTATION_FLIP_X));
lua_settable(L, -3);
lua_pushliteral(L, "flipy");
lua_pushboolean(L, (flags & ORIENTATION_FLIP_Y));
lua_settable(L, -3);
return 1;
}
//-------------------------------------------------
// screen_refresh - return screen refresh rate
// -> manager:machine().screens[":screen"]:refresh()
@ -1579,6 +1627,7 @@ void lua_engine::initialize()
.addCFunction ("draw_text", &lua_screen::l_draw_text)
.addCFunction ("height", &lua_screen::l_height)
.addCFunction ("width", &lua_screen::l_width)
.addCFunction ("orientation", &lua_screen::l_orientation)
.addCFunction ("refresh", &lua_screen::l_refresh)
.addCFunction ("snapshot", &lua_screen::l_snapshot)
.addCFunction ("type", &lua_screen::l_type)

1
src/emu/luaengine.h
View File

@ -138,6 +138,7 @@ private:
struct lua_screen {
int l_height(lua_State *L);
int l_width(lua_State *L);
int l_orientation(lua_State *L);
int l_refresh(lua_State *L);
int l_type(lua_State *L);
int l_snapshot(lua_State *L);