merge total remake

src/framework/core/module.cpp

@@ -0,0 +1,73 @@
+#include "module.h"
+
+#include <otml/otml.h>
+#include <luascript/luainterface.h>
+#include "modulemanager.h"
+
+void Module::discover(const OTMLNodePtr& moduleNode)
+{
+    m_description = moduleNode->readAt<std::string>("description");
+    m_author = moduleNode->readAt<std::string>("author");
+    m_website = moduleNode->readAt<std::string>("website");
+    m_version = moduleNode->readAt<std::string>("version");
+
+    if(OTMLNodePtr node = moduleNode->get("dependencies")) {
+        for(const OTMLNodePtr& tmp : node->childNodes())
+            m_dependencies.push_back(tmp->value());
+    }
+
+    // set onLoad callback
+    if(OTMLNodePtr node = moduleNode->get("onLoad")) {
+        g_lua.loadFunction(node->read<std::string>(), "@" + node->source() + "[" + node->tag() + "]");
+        g_lua.useValue();
+        m_loadCallback = g_lua.polymorphicPop<BooleanCallback>();
+    }
+
+    // set onUnload callback
+    if(OTMLNodePtr node = moduleNode->get("onUnload")) {
+        g_lua.loadFunction(node->read<std::string>(), "@" + node->source() + "[" + node->tag() + "]");
+        g_lua.useValue();
+        m_unloadCallback = g_lua.polymorphicPop<SimpleCallback>();
+    }
+
+    // load if autoLoad is set
+    m_autoLoad = moduleNode->readAt<bool>("autoLoad", false);
+}
+
+bool Module::load()
+{
+    for(const std::string& depName : m_dependencies) {
+        ModulePtr dep = g_modules.getModule(depName);
+        if(!dep) {
+            logError("ERROR: failed to load module '",m_name,"': could not find module dependency '",depName,"'");
+            return false;
+        }
+
+        if(!dep->isLoaded()) {
+            if(!dep->load()) {
+                logError("ERROR: failed to load module '",m_name,"': a dependency has failed to load");
+                return false;
+            }
+        }
+    }
+
+    if(m_loadCallback) {
+        m_loaded = m_loadCallback();
+        if(!m_loaded) {
+            logError("ERROR: failed to load module '",m_name, "': onLoad returned false");
+            return false;
+        }
+    }
+
+    logInfo("Loaded module '", m_name, "'");
+    return true;
+}
+
+void Module::unload()
+{
+    if(m_loaded) {
+        if(m_unloadCallback)
+            m_unloadCallback();
+        m_loaded = false;
+    }
+}