Moved barrier system into it's own subdirectory

server/barriers/barrier_manager_api.cpp

@@ -0,0 +1,124 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "barrier_manager_api.hpp"
+
+#include "barrier_manager.hpp"
+
+//args: mgr, avatar, script
+static int create(lua_State* L) {
+	//register the function at the top of the stack
+	lua_pushinteger(L, luaL_ref(L, LUA_REGISTRYINDEX));
+
+	//create the actual barrier
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+	int index = mgr->Create(-1);
+	BarrierData* barrier = mgr->Find(index);
+	lua_pushlightuserdata(L, static_cast<void*>(barrier));
+	lua_pushinteger(L, index);
+	return 2;
+}
+
+//TOOD: overload this to take the userdata as a parameter
+static int unload(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+	mgr->Unload(lua_tointeger(L, 2));
+	return 0;
+}
+
+static int unloadAll(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+	mgr->UnloadAll();
+	return 0;
+}
+
+static int unloadIf(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+
+	//list of stuff to unload (don't invalidate iterators)
+	std::list<int> unloadList;
+
+	//unloadIf
+	for (auto it : *mgr->GetContainer()) {
+		//copy the function at the top
+		lua_pushvalue(L, -1);
+
+		//index & object as function parameters
+		lua_pushinteger(L, it.first);
+		lua_pushlightuserdata(L, &it.second);
+
+		//call
+		lua_pcall(L, 2, 1, 0);
+
+		//unload-ish
+		if (lua_toboolean(L, -1)) {
+			unloadList.push_back(it.first);
+		}
+	}
+
+	//actually unload
+	for (auto& it : unloadList) {
+		mgr->Unload(it);
+	}
+	return 0;
+}
+
+static int find(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+	BarrierData* barrier = mgr->Find(lua_tointeger(L, 2));
+	lua_pushlightuserdata(L, static_cast<void*>(barrier));
+	return 1;
+}
+
+static int getLoadedCount(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager* const>(lua_touserdata(L, 1));
+	lua_pushinteger(L, mgr->GetLoadedCount());
+	return 1;
+}
+
+static int setOnCreate(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager*>(lua_touserdata(L, 1));
+	mgr->SetCreateReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int setOnUnload(lua_State* L) {
+	BarrierManager* mgr = static_cast<BarrierManager*>(lua_touserdata(L, 1));
+	mgr->SetUnloadReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static const luaL_Reg barrierManagerLib[] = {
+	{"Create", create},
+	{"Unload", unload},
+	{"UnloadAll", unloadAll},
+	{"UnloadIf", unloadIf},
+	{"Find", find},
+	{"GetLoadedCount", getLoadedCount},
+	{"SetOnCreate", setOnCreate},
+	{"SetOnUnload", setOnUnload},
+	{nullptr, nullptr}
+};
+
+LUAMOD_API int openBarrierManagerAPI(lua_State* L) {
+	luaL_newlib(L, barrierManagerLib);
+	return 1;
+}