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-rw-r--r--src/Bindings/LuaState.cpp26
-rw-r--r--src/Bindings/LuaState.h3
-rw-r--r--src/Bindings/PluginLua.cpp8
3 files changed, 37 insertions, 0 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index c6be7be3c..ca7f6b255 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -173,6 +173,31 @@ void cLuaState::Detach(void)
+void cLuaState::AddPackagePath(const AString & a_PathVariable, const AString & a_Path)
+{
+ // Get the current path:
+ lua_getfield(m_LuaState, LUA_GLOBALSINDEX, "package"); // Stk: <package>
+ lua_getfield(m_LuaState, -1, a_PathVariable.c_str()); // Stk: <package> <package.path>
+ size_t len = 0;
+ const char * PackagePath = lua_tolstring(m_LuaState, -1, &len);
+
+ // Append the new path:
+ AString NewPackagePath(PackagePath, len);
+ NewPackagePath.append(LUA_PATHSEP);
+ NewPackagePath.append(a_Path);
+
+ // Set the new path to the environment:
+ lua_pop(m_LuaState, 1); // Stk: <package>
+ lua_pushlstring(m_LuaState, NewPackagePath.c_str(), NewPackagePath.length()); // Stk: <package> <NewPackagePath>
+ lua_setfield(m_LuaState, -2, a_PathVariable.c_str()); // Stk: <package>
+ lua_pop(m_LuaState, 1);
+ lua_pop(m_LuaState, 1); // Stk: -
+}
+
+
+
+
+
bool cLuaState::LoadFile(const AString & a_FileName)
{
ASSERT(IsValid());
@@ -1251,6 +1276,7 @@ void cLuaState::LogStack(lua_State * a_LuaState, const char * a_Header)
case LUA_TLIGHTUSERDATA: Printf(Value, "%p", lua_touserdata(a_LuaState, i)); break;
case LUA_TNUMBER: Printf(Value, "%f", (double)lua_tonumber(a_LuaState, i)); break;
case LUA_TSTRING: Printf(Value, "%s", lua_tostring(a_LuaState, i)); break;
+ case LUA_TTABLE: Printf(Value, "%p", lua_topointer(a_LuaState, i)); break;
default: break;
}
LOGD(" Idx %d: type %d (%s) %s", i, Type, lua_typename(a_LuaState, Type), Value.c_str());
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index b9bf10142..dcb660c3f 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -154,6 +154,9 @@ public:
/** Returns true if the m_LuaState is valid */
bool IsValid(void) const { return (m_LuaState != NULL); }
+ /** Adds the specified path to package.<a_PathVariable> */
+ void AddPackagePath(const AString & a_PathVariable, const AString & a_Path);
+
/** Loads the specified file
Returns false and logs a warning to the console if not successful (but the LuaState is kept open).
m_SubsystemName is displayed in the warning log message.
diff --git a/src/Bindings/PluginLua.cpp b/src/Bindings/PluginLua.cpp
index 773d522c4..45c8216be 100644
--- a/src/Bindings/PluginLua.cpp
+++ b/src/Bindings/PluginLua.cpp
@@ -82,6 +82,14 @@ bool cPluginLua::Initialize(void)
lua_pushstring(m_LuaState, GetName().c_str());
lua_setglobal(m_LuaState, LUA_PLUGIN_NAME_VAR_NAME);
+ // Add the plugin's folder to the package.path and package.cpath variables (#693):
+ m_LuaState.AddPackagePath("path", FILE_IO_PREFIX + GetLocalFolder() + "/?.lua");
+ #ifdef _WIN32
+ m_LuaState.AddPackagePath("cpath", GetLocalFolder() + "\\?.dll");
+ #else
+ m_LuaState.AddPackagePath("cpath", FILE_IO_PREFIX + GetLocalFolder() + "/?.so");
+ #endif
+
tolua_pushusertype(m_LuaState, this, "cPluginLua");
lua_setglobal(m_LuaState, "g_Plugin");
}