From: Christoph Sommer <mail@christoph-sommer.de>
Date: Tue, 3 Apr 2007 19:41:49 +0000 (+0000)
Subject: Expose Objects on Worldmap in squirrel table "worldmap"
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=c182fc1bf9675e7732a089f9b2ec5e856ef136a2;p=supertux.git

Expose Objects on Worldmap in squirrel table "worldmap"

SVN-Revision: 4959
---

diff --git a/src/worldmap/worldmap.cpp b/src/worldmap/worldmap.cpp
index 9441b43f4..2a6b2552a 100644
--- a/src/worldmap/worldmap.cpp
+++ b/src/worldmap/worldmap.cpp
@@ -154,8 +154,6 @@ WorldMap::WorldMap(const std::string& filename, const std::string& force_spawnpo
   worldmap_menu->add_hl();
   worldmap_menu->add_entry(MNID_QUITWORLDMAP, _("Quit World"));
 
-  load(filename);
-
   // create a new squirrel table for the worldmap
   using namespace Scripting;
 
@@ -171,6 +169,9 @@ WorldMap::WorldMap(const std::string& filename, const std::string& force_spawnpo
 
   sq_addref(global_vm, &worldmap_table);
   sq_pop(global_vm, 1);
+  
+  // load worldmap objects
+  load(filename);
 }
 
 WorldMap::~WorldMap()
@@ -179,6 +180,18 @@ WorldMap::~WorldMap()
 
   save_state();
 
+  for(GameObjects::iterator i = game_objects.begin();
+      i != game_objects.end(); ++i) {
+    GameObject* object = *i;
+    try_unexpose(object);
+    object->unref();
+  }
+
+  for(SpawnPoints::iterator i = spawn_points.begin();
+      i != spawn_points.end(); ++i) {
+    delete *i;
+  }
+
   for(ScriptList::iterator i = scripts.begin();
       i != scripts.end(); ++i) {
     HSQOBJECT& object = *i;
@@ -190,17 +203,6 @@ WorldMap::~WorldMap()
 
   if(current_ == this)
     current_ = NULL;
-
-  for(GameObjects::iterator i = game_objects.begin();
-      i != game_objects.end(); ++i) {
-    GameObject* object = *i;
-    object->unref();
-  }
-
-  for(SpawnPoints::iterator i = spawn_points.begin();
-      i != spawn_points.end(); ++i) {
-    delete *i;
-  }
 }
 
 void
@@ -212,10 +214,40 @@ WorldMap::add_object(GameObject* object)
   }
 
   object->ref();
+  try_expose(object);
   game_objects.push_back(object);
 }
 
 void
+WorldMap::try_expose(GameObject* object)
+{
+  ScriptInterface* interface = dynamic_cast<ScriptInterface*> (object);
+  if(interface != NULL) {
+    HSQUIRRELVM vm = Scripting::global_vm;
+    sq_pushobject(vm, worldmap_table);
+    interface->expose(vm, -1);
+    sq_pop(vm, 1);
+  }
+}
+
+void
+WorldMap::try_unexpose(GameObject* object)
+{
+  ScriptInterface* interface = dynamic_cast<ScriptInterface*> (object);
+  if(interface != NULL) {
+    HSQUIRRELVM vm = Scripting::global_vm;
+    SQInteger oldtop = sq_gettop(vm);
+    sq_pushobject(vm, worldmap_table);
+    try {
+      interface->unexpose(vm, -1);
+    } catch(std::exception& e) {
+      log_warning << "Couldn't unregister object: " << e.what() << std::endl;
+    }
+    sq_settop(vm, oldtop);
+  }
+}
+
+void
 WorldMap::move_to_spawnpoint(const std::string& spawnpoint)
 {
   for(SpawnPoints::iterator i = spawn_points.begin(); i != spawn_points.end(); ++i) {
@@ -512,6 +544,7 @@ WorldMap::update(float delta)
         i != game_objects.end(); ) {
       GameObject* object = *i;
       if(!object->is_valid()) {
+        try_unexpose(object);
         object->unref();
         i = game_objects.erase(i);
       } else {
diff --git a/src/worldmap/worldmap.hpp b/src/worldmap/worldmap.hpp
index c0f7dc61e..e988a6935 100644
--- a/src/worldmap/worldmap.hpp
+++ b/src/worldmap/worldmap.hpp
@@ -123,6 +123,9 @@ public:
   ~WorldMap();
 
   void add_object(GameObject* object);
+  
+  void try_expose(GameObject* object);
+  void try_unexpose(GameObject* object);
 
   static WorldMap* current()
   { return current_; }