Added a thread queue

luprex/core/cpp/world.hpp

@@ -9,6 +9,8 @@
 #include "source.hpp"
 #include "gui.hpp"
 #include "luasnap.hpp"
+#include <set>
+#include <utility>
 #include <memory>
 #include <unordered_map>
 
@@ -44,6 +46,10 @@ public:
 
 class World {
 public:
+    // A thread ID appended to a place ID.
+    //
+    using ThreadPair = std::pair<int64_t, int64_t>;
+
     // A lua intepreter with snapshot function.
     //
     LuaSnap lua_snap_;
@@ -58,6 +64,14 @@ public:
     PlaneMap plane_map_;
     std::unordered_map<int64_t, Tangible> tangibles_;
 
+    // Thread queue.
+    //
+    std::set<ThreadPair> thread_queue_;
+
+    void enqueue_thread(int64_t tid, int64_t place_id);
+    void run_thread_queue();
+    void run_thread(int64_t tid, int64_t place_id);
+
 public:
     // Constructor.
     //
@@ -114,7 +128,9 @@ public:
 
     // Invoke an action plan.
     //
-    void invoke_plan(int64_t actor_id, int64_t place_id, const std::string &action, Gui *gui);
+    // Eventually we'll add another parameter for gui-state.
+    //
+    void invoke_plan(int64_t actor_id, int64_t place_id, const std::string &action);
     
     // fetch
     //