FGFS-4.1/OpenSceneGraph
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Improvements to lua/OSG integration

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This commit is contained in:
Robert Osfield
2017-12-01 12:07:28 +00:00
parent 2108141b4e
commit 9944d949fc
3 changed files with 114 additions and 0 deletions
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25
src/osgPlugins/lua/LuaScriptEngine.cpp
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@@ -1798,6 +1798,24 @@ static int readImageFile(lua_State * _lua)
return 0;
}
static int readShaderFile(lua_State * _lua)
{
const LuaScriptEngine* lse = reinterpret_cast<const LuaScriptEngine*>(lua_topointer(_lua, lua_upvalueindex(1)));
int n = lua_gettop(_lua); /* number of arguments */
if (n==1 && lua_type(_lua, 1)==LUA_TSTRING)
{
std::string filename = lua_tostring(_lua, 1);
osg::ref_ptr<osg::Shader> shader = osgDB::readRefShaderFile(filename);
if (shader.valid())
{
lse->pushObject(shader.get());
return 1;
}
}
return 0;
}
static int readNodeFile(lua_State * _lua)
{
const LuaScriptEngine* lse = reinterpret_cast<const LuaScriptEngine*>(lua_topointer(_lua, lua_upvalueindex(1)));
@@ -1916,6 +1934,13 @@ void LuaScriptEngine::initialize()
lua_setglobal(_lua, "readImageFile");
}
// provide global new method for read Images
{
lua_pushlightuserdata(_lua, this);
lua_pushcclosure(_lua, readShaderFile, 1);
lua_setglobal(_lua, "readShaderFile");
}
// provide global new method for read Images
{
lua_pushlightuserdata(_lua, this);