Started creating scripting library/namespace and added sol2 for interfacing

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/sol2/examples/source/calling_lua_functions.cpp b/lib/sol2/examples/source/calling_lua_functions.cpp
new file mode 100644
index 0000000..6668038
--- /dev/null
+++ b/lib/sol2/examples/source/calling_lua_functions.cpp
@@ -0,0 +1,49 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+int func_1(int value) {
+	return 20 + value;
+}
+
+std::string func_2(std::string text) {
+	return "received: " + text;
+}
+
+sol::variadic_results fallback(sol::this_state ts, sol::variadic_args args) {
+	sol::variadic_results r;
+	if (args.size() == 2) {
+		r.push_back({ ts, sol::in_place, args.get<int>(0) + args.get<int>(1) });
+	}
+	else {
+		r.push_back({ ts, sol::in_place, 52 });
+	}
+	return r;
+}
+
+int main(int, char*[]) {
+	std::cout << "=== calling lua functions ===" << std::endl;
+
+	sol::state lua;
+	lua.open_libraries();
+
+	sol::table mLuaPackets = lua.create_named_table("mLuaPackets");
+	mLuaPackets[1] = lua.create_table_with("timestamp", 0LL);
+	mLuaPackets[2] = lua.create_table_with("timestamp", 3LL);
+	mLuaPackets[3] = lua.create_table_with("timestamp", 1LL);
+
+	lua.script("print('--- pre sort ---')");
+	lua.script("for i=1,#mLuaPackets do print(i, mLuaPackets[i].timestamp) end");
+
+	lua["table"]["sort"](mLuaPackets, sol::as_function([](sol::table l, sol::table r) {
+		std::uint64_t tl = l["timestamp"];
+		std::uint64_t tr = r["timestamp"];
+		return tl < tr;
+	}));
+
+	lua.script("print('--- post sort ---')");
+	lua.script("for i=1,#mLuaPackets do print(i, mLuaPackets[i].timestamp) end");
+
+	return 0;
+}
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