diff options
Diffstat (limited to 'src/emu/luaengine.cpp')
-rw-r--r-- | src/emu/luaengine.cpp | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/src/emu/luaengine.cpp b/src/emu/luaengine.cpp index 4ffee509693..cd55b2bde4c 100644 --- a/src/emu/luaengine.cpp +++ b/src/emu/luaengine.cpp @@ -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() @@ -870,7 +918,7 @@ int lua_engine::lua_screen::l_snapshot(lua_State *L) luaL_argcheck(L, lua_isstring(L, 2) || lua_isnone(L, 2), 2, "optional argument: filename, string expected"); emu_file file(sc->machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS); - file_error filerr; + osd_file::error filerr; if (!lua_isnone(L, 2)) { const char *filename = lua_tostring(L, 2); @@ -884,9 +932,9 @@ int lua_engine::lua_screen::l_snapshot(lua_State *L) filerr = sc->machine().video().open_next(file, "png"); } - if (filerr != FILERR_NONE) + if (filerr != osd_file::error::NONE) { - luaL_error(L, "file_error=%d", filerr); + luaL_error(L, "osd_file::error=%d", filerr); return 0; } @@ -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) |