From 48b4b813a51c374fce43a553608c67c6ca08ea37 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 12 Jun 2011 21:51:47 +0200
Subject: Added a say() function to lua.

---
 game.cpp           | 7 +++++++
 game.h             | 2 ++
 scripting.cpp      | 8 ++++++++
 scripting.h        | 3 +++
 scripting/test.cpp | 7 +++++++
 scripting/test.h   | 1 +
 scripting/test.pkg | 1 +
 7 files changed, 29 insertions(+)

diff --git a/game.cpp b/game.cpp
index d198720..42e8b53 100644
--- a/game.cpp
+++ b/game.cpp
@@ -10,12 +10,19 @@ Game* Game::game = NULL;
 
 Game::Game() : socket(io_service) {
 	scene = new Scene();
+
+	scene->lua->set_say_func(boost::bind(&Game::say, this, _1));
 }
 
 Game::~Game() {
 	delete scene;
 }
 
+void Game::say(const std::string msg) {
+	message::Message m(msg);
+	m.send(socket);
+}
+
 void Game::run(const std::string host, const unsigned int port) {
 	run(host, boost::lexical_cast<std::string>(port));
 }
diff --git a/game.h b/game.h
index 7b3ad55..44222c2 100644
--- a/game.h
+++ b/game.h
@@ -19,6 +19,8 @@ class Game {
 		Game();
 		~Game();
 
+		void say(const std::string msg);
+
 		void run(std::string host, unsigned int port);
 		void run(std::string host, std::string port);
 
diff --git a/scripting.cpp b/scripting.cpp
index ed671a2..520ee9d 100644
--- a/scripting.cpp
+++ b/scripting.cpp
@@ -27,6 +27,10 @@ void Lua::set_log_func(boost::function<void (const char*)> log_func) {
 	log_func("Lua::set_log_func() called");
 }
 
+void Lua::set_say_func(boost::function<void (const char*)> say_func) {
+	this->say_func = say_func;
+}
+
 void Lua::print(const char *s) {
 	if(log_func)
 		log_func(s);
@@ -34,6 +38,10 @@ void Lua::print(const char *s) {
 		std::cout << s << std::endl;
 }
 
+void Lua::say(const char *s) {
+	say_func(s);
+}
+
 void Lua::dostring(std::string s) {
 	int before = lua_gettop(L);
 	int err = luaL_dostring(L, s.c_str());
diff --git a/scripting.h b/scripting.h
index d14aa3c..4b0bacf 100644
--- a/scripting.h
+++ b/scripting.h
@@ -16,13 +16,16 @@ class Lua {
 	protected:
 		lua_State *L;
 		boost::function<void (const char*)> log_func;
+		boost::function<void (const char*)> say_func;
 
 	public:
 		Lua();
 		virtual ~Lua();
 
 		void set_log_func(boost::function<void (const char*)> log_func);
+		void set_say_func(boost::function<void (const char*)> say_func);
 		void print(const char *s);
+		void say(const char *s);
 
 		void dostring(std::string s);
 };
diff --git a/scripting/test.cpp b/scripting/test.cpp
index 1a378b7..5ec27da 100644
--- a/scripting/test.cpp
+++ b/scripting/test.cpp
@@ -9,3 +9,10 @@ void print(lua_State *L, const char *s) {
 	lua_pop(L, 1);
 	lua->print(s);
 }
+
+void say(lua_State *L, const char *s) {
+	lua_getglobal(L, "lua_instance");
+	Lua *lua = static_cast<Lua*>(lua_touserdata(L, -1));
+	lua_pop(L, 1);
+	lua->say(s);
+}
diff --git a/scripting/test.h b/scripting/test.h
index 48f560e..7ff5719 100644
--- a/scripting/test.h
+++ b/scripting/test.h
@@ -4,5 +4,6 @@
 #include <lua.hpp>
 
 void print(lua_State *L, const char *s);
+void say(lua_State *L, const char *s);
 
 #endif
diff --git a/scripting/test.pkg b/scripting/test.pkg
index 38525c6..0f64be7 100644
--- a/scripting/test.pkg
+++ b/scripting/test.pkg
@@ -1,5 +1,6 @@
 $hfile "scripting/test.h"
 
 void print(lua_State *L, const char *s);
+void say(lua_State *L, const char *s);
 
 // vim: syn=cpp
-- 
cgit v1.2.3