C++ (Cpp) Lua_table::safe_at Examples

Example #1

File: CustomSystem.cpp Project: ChromeSkull/pioneer

static void _add_children_to_sbody(lua_State* L, CustomSBody* sbody, OOLUA::Lua_table children)
{
	int i=1;
	while (1) {
		CustomSBody *kid;

		if (!children.safe_at(i++, kid))
			break;

		if (kid == NULL) {
			luaL_error(L,
				"invalid element (must be CustomSBody or table of CustomSBody)\n"
				"invalid element is child of CustomSBody '%s'", sbody->name.c_str());
		}

		while (1) {
			OOLUA::Lua_table sub;

			if (!children.safe_at(i, sub))
				break;

			if (!sub.valid())
				break;

			_add_children_to_sbody(L, kid, sub);
			i++;
			continue;
		}

		sbody->children.push_back(*kid);
	}
}

Example #2

File: CustomSystem.cpp Project: ChromeSkull/pioneer

CustomSystem::CustomSystem(std::string s, OOLUA::Lua_table t)
{
	name = s;

	numStars = 0;

	std::string stype;
	bool done = false;
	for (int i=0 ; i<4; i++) {
		int type = SBody::TYPE_GRAVPOINT;
		if (t.safe_at(i+1, stype)) {
			type = LuaConstants::GetConstant(csLua, "BodyType", stype.c_str());
			if ( type < SBody::TYPE_STAR_MIN || type > SBody::TYPE_STAR_MAX ) {
				printf("system star %d does not have a valid star type\n", i+1);
				assert(0);
			}
		}
		primaryType[i] = static_cast<SBody::BodyType>(type);

		if (type == SBody::TYPE_GRAVPOINT) done = true;
		if (!done) numStars++;
	}

	seed = 0;
	govType = Polit::GOV_NONE;
}