From 5028d7510d1036cfb027d3dd2158d3d22afb530b Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sat, 3 Sep 2016 14:58:23 -0300
Subject: Connection hints when connecting to empty space.

---
 modules/visual_script/visual_script_nodes.cpp | 90 ++++++++++++++++++++++++++-
 1 file changed, 89 insertions(+), 1 deletion(-)

(limited to 'modules/visual_script/visual_script_nodes.cpp')

diff --git a/modules/visual_script/visual_script_nodes.cpp b/modules/visual_script/visual_script_nodes.cpp
index e5436cc26c..03fd70b0a3 100644
--- a/modules/visual_script/visual_script_nodes.cpp
+++ b/modules/visual_script/visual_script_nodes.cpp
@@ -1071,7 +1071,13 @@ PropertyInfo VisualScriptPreload::get_input_value_port_info(int p_idx) const{
 
 PropertyInfo VisualScriptPreload::get_output_value_port_info(int p_idx) const{
 
-	return PropertyInfo(Variant::OBJECT,"res");
+	PropertyInfo pinfo=PropertyInfo(Variant::OBJECT,"res");
+	if (preload.is_valid()) {
+		pinfo.hint=PROPERTY_HINT_RESOURCE_TYPE;
+		pinfo.hint_string=preload->get_type();
+	}
+
+	return pinfo;
 }
 
 
@@ -1927,6 +1933,19 @@ VisualScriptNodeInstance* VisualScriptEngineSingleton::instance(VisualScriptInst
 	return instance;
 }
 
+VisualScriptEngineSingleton::TypeGuess VisualScriptEngineSingleton::guess_output_type(TypeGuess* p_inputs, int p_output) const {
+
+	Object *obj=Globals::get_singleton()->get_singleton_object(singleton);
+	TypeGuess tg;
+	tg.type=Variant::OBJECT;
+	if (obj) {
+		tg.obj_type=obj->get_type();
+		tg.script=obj->get_script();
+	}
+
+	return tg;
+}
+
 
 void VisualScriptEngineSingleton::_bind_methods() {
 
@@ -2064,6 +2083,8 @@ VisualScriptNodeInstance* VisualScriptSceneNode::instance(VisualScriptInstance*
 }
 
 
+
+
 #ifdef TOOLS_ENABLED
 
 static Node* _find_script_node(Node* p_edited_scene,Node* p_current_node,const Ref<Script> &script) {
@@ -2087,6 +2108,49 @@ static Node* _find_script_node(Node* p_edited_scene,Node* p_current_node,const R
 
 #endif
 
+VisualScriptSceneNode::TypeGuess VisualScriptSceneNode::guess_output_type(TypeGuess* p_inputs, int p_output) const {
+
+
+	VisualScriptSceneNode::TypeGuess tg;
+	tg.type=Variant::OBJECT;
+	tg.obj_type="Node";
+
+#ifdef TOOLS_ENABLED
+	Ref<Script> script = get_visual_script();
+	if (!script.is_valid())
+		return tg;
+
+	MainLoop * main_loop = OS::get_singleton()->get_main_loop();
+	if (!main_loop)
+		return tg;
+
+	SceneTree *scene_tree = main_loop->cast_to<SceneTree>();
+
+	if (!scene_tree)
+		return tg;
+
+	Node *edited_scene = scene_tree->get_edited_scene_root();
+
+	if (!edited_scene)
+		return tg;
+
+	Node* script_node = _find_script_node(edited_scene,edited_scene,script);
+
+	if (!script_node)
+		return tg;
+
+	Node* another = script_node->get_node(path);
+
+	if (another) {
+		tg.obj_type=another->get_type();
+		tg.script=another->get_script();
+	}
+#endif
+	return tg;
+
+}
+
+
 void VisualScriptSceneNode::_validate_property(PropertyInfo& property) const {
 
 #ifdef TOOLS_ENABLED
@@ -2224,6 +2288,13 @@ VisualScriptNodeInstance* VisualScriptSceneTree::instance(VisualScriptInstance*
 	return instance;
 }
 
+VisualScriptSceneTree::TypeGuess VisualScriptSceneTree::guess_output_type(TypeGuess* p_inputs, int p_output) const {
+
+	TypeGuess tg;
+	tg.type=Variant::OBJECT;
+	tg.obj_type="SceneTree";
+	return tg;
+}
 
 void VisualScriptSceneTree::_validate_property(PropertyInfo& property) const {
 
@@ -2415,6 +2486,23 @@ VisualScriptNodeInstance* VisualScriptSelf::instance(VisualScriptInstance* p_ins
 	return instance;
 }
 
+VisualScriptSelf::TypeGuess VisualScriptSelf::guess_output_type(TypeGuess* p_inputs, int p_output) const {
+
+	VisualScriptSceneNode::TypeGuess tg;
+	tg.type=Variant::OBJECT;
+	tg.obj_type="Object";
+
+	Ref<Script> script = get_visual_script();
+	if (!script.is_valid())
+		return tg;
+
+	tg.obj_type=script->get_instance_base_type();
+	tg.script=script;
+
+	return tg;
+
+
+}
 
 
 void VisualScriptSelf::_bind_methods() {
-- 
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