very very very very basic lua handling/mini-wrapper

.gitignore

@@ -0,0 +1,2 @@
+bin/
+obj/

Makefile

@@ -0,0 +1,39 @@
+LUA_VERSION := 5.3
+LUA = lua$(LUA_VERSION)
+
+SRC_DIR := src
+OBJ_DIR := obj
+BIN_DIR := bin
+
+EXE := $(BIN_DIR)/out
+OBJ_OUT_DIRS := obj/Main obj/LuaHandler
+SRC := $(SRC_DIR)/Main/Main.cpp $(SRC_DIR)/LuaHandler/LuaHandler.cpp
+OBJ := $(OBJ_DIR)/Main/Main.o $(OBJ_DIR)/LuaHandler/LuaHandler.o
+CC := g++
+
+CPPFLAGS := -I/usr/include/$(LUA) -Iinclude -MMD -MP
+CFLAGS   := -Wall
+LDFLAGS  := 
+LDLIBS   := -l$(LUA) -ldl
+
+.PHONY: all clean run
+
+all: $(EXE)
+
+run: $(EXE)
+	@echo -e "\033[1m---> \033[1;35mRunning binary from $(EXE)\033[0m"
+	@./$(EXE)
+
+$(EXE): $(OBJ) | $(BIN_DIR)
+	$(CC) $(LDFLAGS) $^ $(LDLIBS) -o $@
+
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp | $(OBJ_DIR) $(OBJ_OUT_DIRS)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
+
+$(BIN_DIR) $(OBJ_DIR) $(OBJ_OUT_DIRS):
+	mkdir -p $@
+
+clean:
+	@$(RM) -rv $(BIN_DIR) $(OBJ_DIR)
+
+-include $(OBJ:.o=.d)

README.md

@@ -1,3 +1,4 @@
 # game
 
-yes
+## dependencies
+ - lua5.3

Script.lua

@@ -0,0 +1 @@
+libepic.say_something("lol")

bin/.heygitpleasekeepthisfolder

@@ -1 +0,0 @@
-git please

include/LuaHandler/LuaHandler.hpp

@@ -0,0 +1,18 @@
+#ifndef _LUAHANDLER_H
+#define _LUAHANDLER_H
+
+extern "C"{
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+struct LuaHandler {
+    lua_State* L;
+
+    LuaHandler(lua_State* L) : L(L) {};
+
+    void defineClass(const char* className);
+    void defineFunction(const char* className, const char* valueName, lua_CFunction func);
+};
+
+#endif

src/.heygitpleasekeepthisfolder

@@ -1 +0,0 @@
-git please

src/LuaHandler/LuaHandler.cpp

@@ -0,0 +1,22 @@
+#include <LuaHandler/LuaHandler.hpp>
+
+void LuaHandler::defineClass(const char* className) {
+    // Create a new table and assign it to a global variable
+    lua_newtable(L);
+    lua_setglobal(L, className);
+}
+
+void LuaHandler::defineFunction(const char* className, const char* valueName, lua_CFunction func) {
+    // Get the table that should have been defined with LuaHandler::defineClass
+    lua_getglobal(L, className);
+    
+    // Push the function name, as well as the function onto the stack
+    lua_pushstring(L, valueName);
+    lua_pushcfunction(L, func);
+
+    // Add the function inside the table, giving it the specified name
+    lua_settable(L, -3);
+
+    // Keep the stack balanced
+    lua_pop(L, 1);
+}

src/Main/Main.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+#include <LuaHandler/LuaHandler.hpp>
+
+static int say_something(lua_State* L) {
+    std::cout << "something: " << lua_tostring(L, 1) << "\n";
+    return 1;
+}
+
+int main() {
+    lua_State* L = luaL_newstate();
+    LuaHandler handler(L);
+
+    handler.defineClass("libepic");
+    handler.defineFunction("libepic", "say_something", &say_something);
+
+    luaL_dofile(handler.L, "Script.lua");
+
+    return 0;
+}

vendor/.heygitpleasekeepthisfolder

@@ -1 +0,0 @@
-git please