refactor script api, base script loading impl

scripts/native/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.2)
 project(Sapphire_Script)
 
 file(GLOB SCRIPT_INCLUDE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
@@ -7,21 +7,20 @@ file(GLOB_RECURSE SCRIPT_FILES "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
 include_directories("../../src/servers/")
 include_directories("../../src/servers/Server_Zone/")
 
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY  "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/")
-
 foreach(_sourcefile "${SCRIPT_FILES}")
     get_filename_component(_file "${_sourcefile}" NAME_WE)
     add_library("${_file}" MODULE "${_sourcefile}" "${SCRIPT_INCLUDE_FILES}")
+    message("adding library ${_file}")
 
     add_dependencies("${_file}" server_zone)
 
     set_target_properties("${_file}" PROPERTIES
-            CXX_STANDARD 14
-            CXX_STANDARD_REQUIRED ON
-            CXX_EXTENSIONS ON
-            RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
-            RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
-            RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
-            RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
-            )
+        CXX_STANDARD 14
+        CXX_STANDARD_REQUIRED ON
+        CXX_EXTENSIONS ON
+        LIBRARY_OUTPUT_DIRECTORY_DEBUG "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
+        LIBRARY_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
+        LIBRARY_OUTPUT_DIRECTORY_RELWITHDEBINFO "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
+        LIBRARY_OUTPUT_DIRECTORY_MINSIZEREL "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/compiledscripts/"
+    )
 endforeach(_sourcefile "${SCRIPT_FILES}")

scripts/native/skill/AbilityScript3.cpp

@@ -0,0 +1,15 @@
+//#include "../ScriptObject.h"
+//
+//class AbilityScript3 : public AbilityScript
+//{
+//public:
+//    AbilityScript3() : AbilityScript( "AbilityScript3", 3 )
+//    {}
+//
+//    virtual void onCastFinish( Core::Entity::Player player, Core::Entity::ActorPtr targetActor )
+//    {
+//       player.addStatusEffectByIdIfNotExist( 50, 20000, player, 30 );
+//    }
+//};
+//
+//EXPORT_ABILITYSCRIPT( AbilityScript3 )

scripts/native/statuseffect/StatusEffect50.cpp

@@ -6,10 +6,11 @@ public:
    StatusEffect50() : StatusEffectScript( "StatusEffect50", 50 )
    {}
 
-   virtual void onTick( Core::Entity::ActorPtr actor )
-   {
-      
-   }
+//   virtual void onTick( Core::Entity::ActorPtr actor )
+//   {
+//      if( actor->isPlayer() )
+//         actor->getAsPlayer()->sendDebug( "tick tock bitch" );
+//   }
 };
 
 EXPORT_STATUSEFFECTSCRIPT( StatusEffect50 )

src/servers/Server_Zone/Script/NativeScript.cpp

@@ -11,9 +11,9 @@ namespace Core {
            return m_statusEffectScripts.at( statusId );
         }
 
-        AbilityScript* NativeScript::getAbilityScript( uint32_t abilityId )
+        ActionScript* NativeScript::getAbilityScript( uint32_t abilityId )
         {
-           return m_abilityScripts.at( abilityId );
+           return m_actionScripts.at( abilityId );
         }
 
         QuestScript* NativeScript::getQuestScript( uint32_t questId )
@@ -38,7 +38,7 @@ namespace Core {
 
         void NativeScript::removeAbilityScript( uint32_t abilityId )
         {
-           m_abilityScripts.erase( abilityId );
+           m_actionScripts.erase( abilityId );
         }
 
         void NativeScript::removeQuestScript( uint32_t questId )
@@ -51,8 +51,39 @@ namespace Core {
            m_battleNpcScripts.erase( npcId );
         }
 
-
-
+        void NativeScript::loadScript( std::string path )
+        {
+//           auto handle = m_loader.loadModule( path );
+//           if( handle )
+//           {
+//              // todo: this is shit
+//              if( auto script = m_loader.getScriptObject< StatusEffectScript >( handle ) )
+//              {
+//                 m_statusEffectScripts.insert( std::make_pair( script->getEffectId(), script ) );
+//              }
+//              else if( auto script = m_loader.getScriptObject< ActionScript >( handle ) )
+//              {
+//                 m_actionScripts.insert( std::make_pair( script->getActionId(), script ) );
+//              }
+//              else if( auto script = m_loader.getScriptObject< QuestScript >( handle ) )
+//              {
+//                 m_questScripts.insert( std::make_pair( script->getQuestId(), script ) );
+//              }
+//              else if( auto script = m_loader.getScriptObject< BattleNpcScript >( handle ) )
+//              {
+//                  m_battleNpcScripts.insert( std::make_pair( script->getNpcId(), script ) );
+//              }
+//              else if( auto script = m_loader.getScriptObject< ZoneScript >( handle ) )
+//              {
+//                  m_zoneScripts.insert( std::make_pair( script->getZoneId(), script ) );
+//              }
+//              else
+//              {
+//                 // unload anything which doesn't have a suitable export
+//                 m_loader.unloadScript( handle );
+//              }
+//           }
+        }
 
 
         boost::shared_ptr< NativeScript > create_script_engine( )

src/servers/Server_Zone/Script/NativeScript.h

@@ -10,6 +10,7 @@
 #include <Server_Common/Crypt/md5.h>
 
 #include "NativeScriptApi.h"
+#include "ScriptLoader.h"
 
 namespace Core {
     namespace Scripting {
@@ -18,16 +19,18 @@ namespace Core {
         {
         protected:
             std::unordered_map< uint32_t, StatusEffectScript* > m_statusEffectScripts;
-            std::unordered_map< uint32_t, AbilityScript* > m_abilityScripts;
+            std::unordered_map< uint32_t, ActionScript* > m_actionScripts;
             std::unordered_map< uint32_t, QuestScript* > m_questScripts;
             std::unordered_map< uint32_t, BattleNpcScript* > m_battleNpcScripts;
             std::unordered_map< uint32_t, ZoneScript* > m_zoneScripts;
 
+            ScriptLoader m_loader;
+
         public:
             NativeScript( );
 
             StatusEffectScript* getStatusEffectScript( uint32_t statusId );
-            AbilityScript* getAbilityScript( uint32_t abilityId );
+            ActionScript* getAbilityScript( uint32_t abilityId );
             QuestScript* getQuestScript( uint32_t questId );
             BattleNpcScript* getBattleNpcScript( uint32_t npcId );
             ZoneScript* getZoneScript( uint32_t zoneId );
@@ -38,6 +41,8 @@ namespace Core {
             void removeBattleNpcScript( uint32_t npcId );
 
 
+            void loadScript( std::string );
+            void unloadScript( std::string );
             void clearAllScripts();
         };
 

src/servers/Server_Zone/Script/NativeScriptApi.h

@@ -60,24 +60,24 @@ public:
 };
 
 
-class AbilityScript : public ScriptObject
+class ActionScript : public ScriptObject
 {
 protected:
-    const uint32_t m_abilityId;
+    const uint32_t m_actionId;
 
 public:
-   AbilityScript( std::string name, uint32_t abilityId ) :
+    ActionScript( std::string name, uint32_t abilityId ) :
       ScriptObject( name ),
-      m_abilityId( abilityId )
+      m_actionId( abilityId )
    { }
 
-   const uint32_t GetAbilityId( )
+   const uint32_t getActionId()
    {
-      return m_abilityId;
+      return m_actionId;
    }
 
-   virtual void onStart( Core::Entity::Actor sourceActor, Core::Entity::Actor targetActor ) { }
-   virtual void onCastFinish(Core::Entity::Player player, Core::Entity::ActorPtr targetActor) { }
+   virtual void onStart( Core::Entity::Actor sourceActor, Core::Entity::ActorPtr targetActor ) { }
+   virtual void onCastFinish( Core::Entity::Player player, Core::Entity::ActorPtr targetActor ) { }
    virtual void onInterrupt( Core::Entity::Actor sourceActor/*, Core::Entity::Actor targetActor*/ ) { }
 };
 
@@ -132,6 +132,10 @@ public:
       m_zoneId( zoneId )
    { }
 
+   const uint32_t getZoneId()
+   {
+      return m_zoneId;
+   }
 
    virtual void onZoneInit() { }
    virtual void onEnterZone( Core::Entity::Player pPlayer, uint32_t eventId, uint16_t param1, uint16_t param2 ) { }

src/servers/Server_Zone/Script/ScriptLoader.cpp

@@ -0,0 +1,107 @@
+#include "ScriptLoader.h"
+
+#include <Server_Common/Logging/Logger.h>
+#include <boost/format.hpp>
+#include <boost/filesystem.hpp>
+
+extern Core::Logger g_log;
+
+const std::string Core::Scripting::ScriptLoader::getModuleExtension()
+{
+#ifdef _WIN32
+   return ".dll";
+#elif __APPLE__
+   return ".dylib";
+#else
+   return ".so";
+#endif
+}
+
+bool Core::Scripting::ScriptLoader::unloadModule( ModuleHandle handle )
+{
+#ifdef _WIN32
+   bool success = FreeLibrary( handle ) != 0;
+#else
+   bool success = dlclose( handle ) == 0;
+#endif
+
+   if( !success )
+   {
+      g_log.fatal( "Failed to unload module @ 0x" + boost::str( boost::format( "%|08X|" ) % handle ) );
+
+      return false;
+   }
+
+   g_log.debug( "Unloaded module @ 0x" + boost::str( boost::format( "%|08X|" ) % handle ) );
+
+   return true;
+}
+
+ModuleHandle Core::Scripting::ScriptLoader::loadModule( std::string path )
+{
+#ifdef _WIN32
+   ModuleHandle handle = LoadLibrary( path.c_str() );
+#else
+   ModuleHandle handle = dlopen( path.c_str(), RTLD_LAZY );
+#endif
+
+   if( !handle )
+   {
+      g_log.error( "Failed to load module from: " + path );
+
+      return NULL;
+   }
+
+   g_log.info( "Loaded module from '" + path + "' @ 0x" + boost::str( boost::format( "%|08X|" ) % handle ) );
+
+   boost::filesystem::path f( path );
+   m_moduleMap.insert( std::make_pair( f.stem().string(), handle ) );
+
+   return handle;
+}
+
+template< typename T >
+T* Core::Scripting::ScriptLoader::getScriptObject( ModuleHandle handle )
+{
+   typedef T* (*getScriptObjectType)();
+
+   auto fn = boost::str( boost::format( "get%1%" ) % typeid( T ).name() );
+   g_log.info( "getting symbol: " + fn  );
+
+#ifdef _WIN32
+   getScriptObjectType func = reinterpret_cast< getScriptObjectType >( GetProcAddress( handle, fn.c_str() ) );
+#else
+   getScriptObjectType func = reinterpret_cast< getScriptObjectType >( dlsym( handle, fn.c_str() ) );
+#endif
+
+   if( func )
+      return func();
+   else
+      return nullptr;
+}
+
+bool Core::Scripting::ScriptLoader::unloadScript( std::string name )
+{
+   auto moduleHandle = m_moduleMap.at( name );
+   if( moduleHandle )
+   {
+      return unloadModule( moduleHandle );
+   }
+
+   g_log.info( "Module '" + name + "' is not loaded" );
+   return false;
+}
+
+bool Core::Scripting::ScriptLoader::unloadScript( ModuleHandle handle )
+{
+   for( auto it = m_moduleMap.begin(); it != m_moduleMap.end(); ++it )
+   {
+      if( it->second == handle )
+      {
+         m_moduleMap.erase( it );
+         return unloadModule( handle );
+      }
+   }
+
+   return false;
+}

src/servers/Server_Zone/Script/ScriptLoader.h

@@ -0,0 +1,44 @@
+#ifndef SAPPHIRE_SCRIPTLOADER_H
+#define SAPPHIRE_SCRIPTLOADER_H
+
+#include <string>
+#include "NativeScriptApi.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#include <unordered_map>
+
+typedef HMODULE ModuleHandle;
+#else
+#include <dlfcn.h>
+typedef void* ModuleHandle;
+#endif
+
+namespace Core {
+namespace Scripting {
+
+   class ScriptLoader {
+   protected:
+       std::unordered_map< std::string, ModuleHandle > m_moduleMap;
+
+       bool unloadModule( ModuleHandle );
+
+   public:
+       ScriptLoader() = default;
+
+       const std::string getModuleExtension();
+       ModuleHandle loadModule( std::string );
+       bool unloadScript( std::string );
+       bool unloadScript( ModuleHandle );
+
+       template< typename T >
+       T* getScriptObject( ModuleHandle );
+   };
+
+}
+}
+
+
+
+
+#endif //SAPPHIRE_SCRIPTLOADER_H