From 8d3b0b527c3fa2480f78270b782831a25f6f4e5b Mon Sep 17 00:00:00 2001
From: Lendemor <thomas.brandeho@gmail.com>
Date: Fri, 3 Feb 2017 23:12:39 +0100
Subject: [PATCH] added cursor and textinputnode in shell

---
 src/engine.cpp                      |  49 +++++++----
 src/engine.h                        |  12 ++-
 src/scene/gui/backgroundnode.cpp    |   4 +-
 src/scene/gui/backgroundnode.h      |   2 +-
 src/scene/gui/buttonshape.cpp       |   2 +-
 src/scene/gui/textinputnode.cpp     | 122 ++++++++++++++++++++++++++++
 src/scene/gui/textinputnode.h       |  42 ++++++++++
 src/scene/scenetree.h               |   3 +-
 src/scene/textnode.h                |   4 +
 src/sparrowshell/shellbuffer.cpp    |   7 +-
 src/sparrowshell/shellbuffer.h      |   7 +-
 src/sparrowshell/shellscrollbar.cpp |   1 -
 src/sparrowshell/sparrowshell.cpp   | 103 ++++++++++-------------
 src/sparrowshell/sparrowshell.h     |  44 ++++++----
 src/test/main.cpp                   |  50 +++++++-----
 src/tools/font.cpp                  |   2 +
 src/tools/font.h                    |   1 +
 17 files changed, 324 insertions(+), 131 deletions(-)
 create mode 100644 src/scene/gui/textinputnode.cpp
 create mode 100644 src/scene/gui/textinputnode.h

diff --git a/src/engine.cpp b/src/engine.cpp
index 05bd0cd..50c6698 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -93,7 +93,7 @@ void Engine::update()
     }
 
     // update Scene
-    m_scene->update();
+    getScene()->update();
 
     // update Display
     if(m_input->isResized())
@@ -105,8 +105,6 @@ void Engine::update()
 void Engine::start()
 {
     m_running = true;
-//    for(int i = 0;i<5;i++)
-//        m_sparrowshell->scrollUp();
     while(!m_input->isCloseRequested() && m_running)
         update();
 }
@@ -126,20 +124,30 @@ unsigned int Engine::getDeltaTime() const
     return m_timeStamp - m_lastTimeStamp;
 }
 
-void Engine::setScene(SceneTree *scene)
+//void Engine::setScene(SceneTree *scene)
+void Engine::setScene(std::string scene)
 {
+    if(m_current_scene.empty()){
+        m_current_scene = scene;
+    }
+    SceneTree* previous_scene = RESOURCE_GET(SceneTree,m_current_scene);
+    SceneTree* new_scene = RESOURCE_GET(SceneTree,scene);
+    m_current_scene = scene;
+
     if(m_physicsDebugNode != nullptr)
     {
-        m_scene->removeFromIndex(m_physicsDebugNode);
-        scene->addToIndex(m_physicsDebugNode);
+        previous_scene->removeFromIndex(m_physicsDebugNode);
+        new_scene->addToIndex(m_physicsDebugNode);
+//        m_scene->removeFromIndex(m_physicsDebugNode);
+//        scene->addToIndex(m_physicsDebugNode);
     }
-    scene->getRootObject()->removeChild(m_sparrowshell);
-    m_scene = scene;
-    m_renderer->setScene(m_scene);
+
+    previous_scene->getRootObject()->removeChild(m_sparrowshell);
+    m_renderer->setScene(new_scene);
     m_renderer->resizeGL(m_window->getSize().x, m_window->getSize().y);
-    m_sparrowshell->setSceneTree(scene);
-    scene->getRootObject()->addChild(m_sparrowshell);
-    scene->updateShaders();
+  //  m_sparrowshell->setSceneTree(new_scene);
+    new_scene->getRootObject()->addChild(m_sparrowshell);
+    new_scene->updateShaders();
 }
 
 void Engine::enablePhysicsDebug()
@@ -147,10 +155,10 @@ void Engine::enablePhysicsDebug()
     if(m_world != nullptr && m_physicsDebugNode == nullptr)
     {
         m_physicsDebugNode = new PhysicsDebugNode();
-        m_scene->addToIndex(m_physicsDebugNode);
+        getScene()->addToIndex(m_physicsDebugNode);
         m_world->setDebugDrawer(m_physicsDebugNode);
         m_world->getDebugDrawer()->setDebugMode(btIDebugDraw::DBG_DrawWireframe);
-        m_scene->updateShaders();
+        getScene()->updateShaders();
     }
 }
 
@@ -159,7 +167,7 @@ void Engine::disablePhysicsDebug()
     if(m_world != nullptr && m_physicsDebugNode != nullptr)
     {
         m_world->setDebugDrawer(nullptr);
-        m_scene->removeFromIndex(m_physicsDebugNode);
+        getScene()->removeFromIndex(m_physicsDebugNode);
         delete m_physicsDebugNode;
         m_physicsDebugNode = nullptr;
     }
@@ -216,8 +224,13 @@ void Engine::checkSpecialInputs()
 }
 
 
-
-SceneTree* Engine::createScene()
+void Engine::createScene(std::string scene_name)
 {
-    return new SceneTree(*this);
+    RESOURCE_ADD(new SceneTree(*this),SceneTree,scene_name);
+    //return new SceneTree(*this);
+}
+
+SceneTree* Engine::getScene() const
+{
+    return RESOURCE_GET(SceneTree,m_current_scene);
 }
diff --git a/src/engine.h b/src/engine.h
index 9c58e2a..6ca9c1b 100644
--- a/src/engine.h
+++ b/src/engine.h
@@ -26,7 +26,8 @@ public:
                     unsigned int w = 800,
                     unsigned int h = 600,
                     const std::string &mode = "windowed");
-    void setScene(SceneTree *scene);
+  //  void setScene(SceneTree *scene);
+    void setScene(std::string scene);
     void initPhysics();
 
     void enablePhysicsDebug();
@@ -48,12 +49,14 @@ public:
     SparrowRenderer* getRenderer() const {return m_renderer;}
     btDiscreteDynamicsWorld* getPhysics() const {return m_world;}
     SparrowShell* getShell() const {return m_sparrowshell;}
-    SceneTree* getScene() const {return m_scene;}
+    SceneTree* getScene() const;
 
     unsigned int getTime() const;
     unsigned int getDeltaTime() const;
 
-    SceneTree* createScene();
+//    SceneTree* createScene();
+    void createScene(std::string scene_name);
+    //void setCurrentScene(std::string scene_name){m_current_scene = scene_name;}
 
 private:
     sf::Clock* m_clock;
@@ -64,7 +67,8 @@ private:
     sf::Window* m_window;
 
     Input* m_input;
-    SceneTree* m_scene;
+//    SceneTree* m_scene;
+    std::string m_current_scene;
     SparrowShell* m_sparrowshell;
     btDiscreteDynamicsWorld* m_world;
     PhysicsDebugNode *m_physicsDebugNode;
diff --git a/src/scene/gui/backgroundnode.cpp b/src/scene/gui/backgroundnode.cpp
index c0ecc20..e31a1b8 100644
--- a/src/scene/gui/backgroundnode.cpp
+++ b/src/scene/gui/backgroundnode.cpp
@@ -6,11 +6,11 @@
 #include "SparrowRenderer/mesh.h"
 #include "SparrowRenderer/phongmaterial.h"
 
-BackGroundNode::BackGroundNode(glm::vec2 position,glm::vec2 dimension, glm::vec3 color, float opacity,float depth,bool visible):
+BackGroundNode::BackGroundNode(glm::vec2 dimension, glm::vec3 color, float opacity,float depth,bool visible):
     MeshNode(nullptr,visible)
 {
     Mesh* mesh = new Mesh();
-    mesh->addRectangle2D(position,dimension);
+    mesh->addRectangle2D(glm::vec2(0),dimension);
     PhongMaterial *mat = new PhongMaterial();
     mat->diffuse = color;
     mat->m_opacity = opacity;
diff --git a/src/scene/gui/backgroundnode.h b/src/scene/gui/backgroundnode.h
index 8ce6bb8..358c49b 100644
--- a/src/scene/gui/backgroundnode.h
+++ b/src/scene/gui/backgroundnode.h
@@ -6,7 +6,7 @@
 class BackGroundNode : public MeshNode
 {
 public:
-    BackGroundNode(glm::vec2 position,glm::vec2 dimension, glm::vec3 color, float opacity,float depth,bool visible=true);
+    BackGroundNode(glm::vec2 dimension, glm::vec3 color, float opacity,float depth,bool visible=true);
 };
 
 #endif // BACKGROUNDNODE_H
diff --git a/src/scene/gui/buttonshape.cpp b/src/scene/gui/buttonshape.cpp
index da693e7..8ed1bf0 100644
--- a/src/scene/gui/buttonshape.cpp
+++ b/src/scene/gui/buttonshape.cpp
@@ -4,7 +4,7 @@
 
 RectangleButtonShape::RectangleButtonShape(glm::vec2 dimension):ButtonShape(),m_dimension(dimension)
 {
-    m_background = new BackGroundNode(glm::vec2(0,0),dimension,glm::vec3(0.2,0.6,0.2),1,0);
+    m_background = new BackGroundNode(dimension,glm::vec3(0.2,0.6,0.2),1,0);
 }
 
 bool RectangleButtonShape::hover(glm::vec2 button_position, glm::vec2 mouse_position){
diff --git a/src/scene/gui/textinputnode.cpp b/src/scene/gui/textinputnode.cpp
new file mode 100644
index 0000000..3613573
--- /dev/null
+++ b/src/scene/gui/textinputnode.cpp
@@ -0,0 +1,122 @@
+#include "textinputnode.h"
+
+#include <iostream>
+
+#include "SparrowInput/input.h"
+
+#include "engine.h"
+#include "tools/font.h"
+#include "resourcemanager.h"
+
+TextInputNode::TextInputNode(glm::vec2 dimension):
+    m_dimension(dimension),
+    m_font_size(16.f),
+    m_text_color(glm::vec3(1,1,1)),
+    m_cursor_pos(0)
+{
+  //  Font *shellfont = RESOURCE_GET(Font,"shellfont");
+    Mesh* mesh = new Mesh();
+    mesh->addRectangle2D(glm::vec2(0),glm::vec2(2, m_font_size));
+    PhongMaterial* mat = new PhongMaterial();
+    mat->diffuse = glm::vec3(1,1,1);
+    mesh->setMaterial(mat);
+    mesh->setDepth(30);
+    mesh->initGL();
+    m_cursor_mesh = new MeshNode(mesh,false);
+    addChild(m_cursor_mesh);
+}
+
+void TextInputNode::update()
+{
+    if(!m_hasFocus) return;
+
+    std::wstring text = getEngine().getInput()->getText();
+    bool input_string_updated = false;
+    bool cursor_pos_updated = false;
+
+    auto input = getEngine().getInput();
+    for(auto action : input->getActions()){
+        if (action == m_move_cursor_left){
+            if (m_cursor_pos > 0){
+                m_cursor_pos--;
+                cursor_pos_updated=true;
+            }
+        }
+        else if(action == m_move_cursor_right){
+            if(m_cursor_pos < m_text.length()){
+                m_cursor_pos++;
+                cursor_pos_updated=true;
+            }
+        }
+    }
+
+    for(unsigned int i = 0 ; i < text.length() ; i++){
+        char c = text[i];
+        switch(c){
+        case 8:
+            if(m_cursor_pos > 0)
+                m_text.erase(--m_cursor_pos,1);
+            input_string_updated = true;
+            cursor_pos_updated=true;
+            break;
+        case 13:
+            if (!m_text.empty())
+            {
+                if(m_callback)
+                    m_callback->exec();
+                input_string_updated = true;
+                m_cursor_pos = 0;
+                cursor_pos_updated=true;
+            }
+            break;
+        case 127:
+            m_text.erase(m_cursor_pos,1);
+            input_string_updated = true;
+            break;
+        default:
+            m_text.insert(m_cursor_pos++,std::string(1,c));
+            input_string_updated = true;
+            cursor_pos_updated=true;
+        }
+    }
+    Font *shellfont = RESOURCE_GET(Font,"shellfont");
+    if(cursor_pos_updated){
+        m_cursor_mesh->moveTo2D(glm::vec2(m_cursor_pos*shellfont->getXAdvance()*(m_font_size/shellfont->getLineHeight()),0));
+    }
+
+    if(input_string_updated)
+    {
+        if(m_text_mesh){
+            this->removeChild(m_text_mesh);
+            delete(m_text_mesh);
+        }
+        m_text_mesh = shellfont->getTextNode(m_text,m_text_color,m_font_size,false);
+        if(m_text_mesh){
+            m_text_mesh->setTransform(glm::mat4());
+            m_text_mesh->setDepth(15);
+            this->addChild(m_text_mesh);
+            m_text_mesh->setVisible(true);
+        }
+    }
+    GUINode::update();
+}
+
+void TextInputNode::setFocus(bool focus)
+{
+    m_hasFocus = focus;
+    m_cursor_mesh->setVisible(focus);
+}
+
+void TextInputNode::setTextColor(glm::vec3 color)
+{
+    m_text_color = color;
+}
+
+std::string TextInputNode::getText()
+{
+    return m_text;
+}
+
+
+
+
diff --git a/src/scene/gui/textinputnode.h b/src/scene/gui/textinputnode.h
new file mode 100644
index 0000000..dc93e61
--- /dev/null
+++ b/src/scene/gui/textinputnode.h
@@ -0,0 +1,42 @@
+#ifndef TEXTINPUTNODE_H
+#define TEXTINPUTNODE_H
+
+#include "scene/gui/guinode.h"
+#include <iostream>
+
+#include "scene/textnode.h"
+#include "scene/gui/callback.h"
+
+class TextInputNode : public GUINode
+{
+    glm::vec2 m_dimension;
+    bool m_hasFocus;
+    float m_font_size;
+
+    TextNode* m_text_mesh;
+    std::string m_text;
+    glm::vec3 m_text_color;
+
+    MeshNode* m_cursor_mesh;
+    unsigned int m_cursor_pos;
+
+    int m_move_cursor_left;
+    int m_move_cursor_right;
+
+    CallBack* m_callback;
+
+public:
+    TextInputNode(glm::vec2 dimension);
+    void update();
+    glm::vec2 getDimension(){return m_dimension;}
+
+    void setFocus(bool focus);
+    void setTextColor(glm::vec3 color);
+    std::string getText();
+    void setCallBack(CallBack* callback){m_callback = callback;}
+    void setMoveCursorLeft(int action){m_move_cursor_left = action;}
+    void setMoveCursorRight(int action){m_move_cursor_right = action;}
+    void clearText(){m_text.clear();}
+};
+
+#endif // TEXTINPUTNODE_H
diff --git a/src/scene/scenetree.h b/src/scene/scenetree.h
index 1c5a62b..eb23d51 100644
--- a/src/scene/scenetree.h
+++ b/src/scene/scenetree.h
@@ -39,7 +39,8 @@ public:
 
 private:
     // A SceneTree can only be constructed by the engine by using Engine::createScene()
-    friend SceneTree* Engine::createScene();
+    //friend SceneTree* Engine::createScene();
+    friend void Engine::createScene(std::string scene_name);
     SceneTree(const Engine &engine);
 
     const Engine &m_engine;
diff --git a/src/scene/textnode.h b/src/scene/textnode.h
index 445c6be..fefec91 100644
--- a/src/scene/textnode.h
+++ b/src/scene/textnode.h
@@ -2,6 +2,10 @@
 #define TEXTNODE_H
 
 #include "meshnode.h"
+
+#include "SparrowRenderer/mesh.h"
+#include "SparrowRenderer/phongmaterial.h"
+
 #include "glm/vec2.hpp"
 
 class TextNode : public MeshNode
diff --git a/src/sparrowshell/shellbuffer.cpp b/src/sparrowshell/shellbuffer.cpp
index bd409ea..3a3286d 100644
--- a/src/sparrowshell/shellbuffer.cpp
+++ b/src/sparrowshell/shellbuffer.cpp
@@ -12,7 +12,6 @@ void ShellBuffer::toggleBuffer(){
 
 void ShellBuffer::update()
 {
-    GraphicalContainerNode::update();
     TextNode* tnode;
     glm::vec2 text_pos(0,0);
 
@@ -32,6 +31,7 @@ void ShellBuffer::update()
                 tnode->moveTo2D(glm::vec2(-100,-100));
         }
     }
+    GUINode::update();
 }
 
 void ShellBuffer::push(TextNode* tnode){
@@ -51,3 +51,8 @@ void ShellBuffer::push(TextNode* tnode){
         tnode->setParentVisible(isVisible());
     }
 }
+
+glm::vec2 ShellBuffer::getDimension(){
+    return glm::vec2(getEngine().getWindow()->getSize().x - SparrowShell::SCROLLBAR_PIXEL_WIDTH,
+                     SparrowShell::BUFFER_DISPLAYED_LINES * SparrowShell::DEFAULT_FONT_SIZE);
+}
diff --git a/src/sparrowshell/shellbuffer.h b/src/sparrowshell/shellbuffer.h
index e08f6dd..19aa878 100644
--- a/src/sparrowshell/shellbuffer.h
+++ b/src/sparrowshell/shellbuffer.h
@@ -1,12 +1,11 @@
 #ifndef SHELLBUFFER_H
 #define SHELLBUFFER_H
 
-#include "scene/graphicalcontainernode.h"
-
+#include "scene/gui/guinode.h"
 
 class TextNode;
 
-class ShellBuffer : public GraphicalContainerNode {
+class ShellBuffer : public GUINode {
 private:
     unsigned int m_max_size;
     int m_zero_offset;
@@ -28,6 +27,8 @@ public:
     void setFontSize(float font_size){m_font_size = font_size;}
     float getFontSize(){return m_font_size;}
 
+    glm::vec2 getDimension();
+
     void increaseIndex(){m_index++;}
     void decreaseIndex(){m_index--;}
     unsigned int getIndex(){return m_index;}
diff --git a/src/sparrowshell/shellscrollbar.cpp b/src/sparrowshell/shellscrollbar.cpp
index 5b5fb47..3381a22 100644
--- a/src/sparrowshell/shellscrollbar.cpp
+++ b/src/sparrowshell/shellscrollbar.cpp
@@ -41,7 +41,6 @@ void ShellScrollBar::update(){
     if (m_shell->indexMoved())
     {
         m_position.y = cran * indexCursor;
-//        std::cout << m_position.x << " " << m_position.y << std::endl;
         moveTo2D(m_position);
     }
 }
diff --git a/src/sparrowshell/sparrowshell.cpp b/src/sparrowshell/sparrowshell.cpp
index b47ebf2..5cde2ee 100644
--- a/src/sparrowshell/sparrowshell.cpp
+++ b/src/sparrowshell/sparrowshell.cpp
@@ -5,6 +5,7 @@
 #include "scene/meshnode.h"
 #include "scene/textnode.h"
 #include "scene/gui/backgroundnode.h"
+#include "scene/gui/textinputnode.h"
 #include "scriptnode.h"
 
 #include "SparrowRenderer/mesh.h"
@@ -22,35 +23,51 @@ const float SparrowShell::SHELL_DEPTH = 10;
 const float SparrowShell::DEFAULT_FONT_SIZE = 16.f;
 
 SparrowShell::SparrowShell(sf::Window* window):
-    m_position(glm::ivec2(0)),
     m_buffer(new ShellBuffer(BUFFER_MAX_LENGTH)),
-    m_text_color(glm::vec3(0.7,1,0.3)),
-    m_input_cursor_pos(0),
-    m_input_mesh(nullptr)
+    m_text_color(glm::vec3(0.7,1,0.3))
 {
     sf::Vector2u size = window->getSize();
     m_dimension = glm::ivec2(size.x,DEFAULT_FONT_SIZE*(BUFFER_DISPLAYED_LINES+1));
     m_buffer->setFontSize(DEFAULT_FONT_SIZE);
 
-    moveTo2D(glm::vec2(m_position));
+    setPosition(glm::vec2(0));
 
     Font* fonte_des_neiges = Loader::loadFont("../data/consolas.fnt","../data/consolas.png");
     RESOURCE_ADD(fonte_des_neiges,Font,"shellfont");
 
     //Create mesh for background
-    m_background = new BackGroundNode(glm::vec2(0),m_dimension,glm::vec3(0.1,0.1,0.1),0.75,SHELL_DEPTH,false);
+    m_background = new BackGroundNode(m_dimension,glm::vec3(0.1,0.1,0.1),0.75,SHELL_DEPTH,false);
     //Create mesh for scrollbar
     m_scrollbar = new ShellScrollBar(this);
 
     m_script = new ScriptNode();
 
+    m_input_node = new TextInputNode(glm::vec2(m_buffer->getFontSize(),size.y));
+    m_input_node->setPosition(glm::vec2(0,m_buffer->getFontSize()*BUFFER_DISPLAYED_LINES));
+    m_input_node->setVisible(false);
+    m_input_node->setCallBack(new InputCallBack(this,m_input_node));
+
     this->addChild(m_background);
     this->addChild(m_buffer);
     this->addChild(m_scrollbar);
     this->addChild(m_script);
+    this->addChild(m_input_node);
 }
 
-// write wstring str in shell
+SparrowShell::InputCallBack::InputCallBack(SparrowShell* shell,TextInputNode* textinput):
+    m_shell(shell),
+    m_text_input_node(textinput)
+{
+}
+
+void SparrowShell::InputCallBack::exec(){
+    std::string text = m_text_input_node->getText();
+    m_shell->out(text);
+    m_shell->m_script->execute(text);
+    m_text_input_node->clearText();
+}
+
+// write string str in shell
 void SparrowShell::out(std::string str)
 {
     out(str,m_text_color);
@@ -58,8 +75,6 @@ void SparrowShell::out(std::string str)
 
 void SparrowShell::out(std::string str,glm::vec3 color)
 {
-//    std::wstring ws;
-//    ws.assign(str.begin(),str.end());
     Font *shellfont = RESOURCE_GET(Font,"shellfont");
     TextNode* tnode = shellfont->getTextNode(str,color,m_buffer->getFontSize(),false);
     tnode->setDepth(SHELL_DEPTH+1);
@@ -67,6 +82,7 @@ void SparrowShell::out(std::string str,glm::vec3 color)
     scrollDown();
     if (m_buffer->size() > SparrowShell::BUFFER_DISPLAYED_LINES)
         m_resizeBuffer = true;
+//    getEngine().getScene()->updateShaders();
 }
 
 void SparrowShell::scrollUp()
@@ -85,6 +101,16 @@ void SparrowShell::scrollDown()
     }
 }
 
+void SparrowShell::setMoveCursorLeftAction(int action)
+{
+    m_input_node->setMoveCursorLeft(action);
+}
+
+void SparrowShell::setMoveCursorRightAction(int action)
+{
+    m_input_node->setMoveCursorRight(action);
+}
+
 void SparrowShell::toggleShell()
 {
     if(m_shellEnabled){
@@ -96,6 +122,7 @@ void SparrowShell::toggleShell()
         getEngine().getWindow()->setKeyRepeatEnabled(true);
     }
     m_shellEnabled = !m_shellEnabled;
+    m_input_node->setFocus(m_shellEnabled);
     for(auto child : m_children)
         child->toggleVisibility();
     m_buffer->toggleBuffer();
@@ -108,69 +135,21 @@ void SparrowShell::update()
     m_indexMoved = false;
     if(m_shellEnabled){
         auto input = getEngine().getInput();
-        for(auto action : input->getActions()){
-            if (action == m_move_cursor_left){
+//        for(auto action : input->getActions()){
+          /*  if (action == m_move_cursor_left){
                 if (m_input_cursor_pos > 0)
                     moveCursorLeft();
             }
             else if(action == m_move_cursor_right){
                 if(m_input_cursor_pos < m_input_string.length())
                     moveCursorRight();
-            }
-        }
-        updateTextInput();
+            }*/
+//        }
         int scroll = input->getDeltaVerticalScroll();
         if(scroll < 0)
             scrollDown();
         else if(scroll > 0)
             scrollUp();
     }
-    getEngine().getScene()->updateShaders();
-    GraphicalContainerNode::update();
-}
-
-void SparrowShell::updateTextInput()
-{
-    std::wstring text = getEngine().getInput()->getText();
-    bool input_string_updated = false;
-    if (!m_shellEnabled)
-        return;
-    for(unsigned int i = 0 ; i < text.length() ; i++){
-        char c = text[i];
-        switch(c){
-        case 8:
-            if(m_input_cursor_pos > 0)
-                m_input_string.erase(--m_input_cursor_pos,1);
-            input_string_updated = true;
-            break;
-        case 13:
-            if (!m_input_string.empty()){
-                out(m_input_string);
-                m_script->execute(m_input_string);
-                m_input_string.clear();
-                input_string_updated = true;
-            }
-            m_input_cursor_pos = 0;
-            break;
-        case 127:
-            m_input_string.erase(m_input_cursor_pos,1);
-            input_string_updated = true;
-            break;
-        default:
-            m_input_string.insert(m_input_cursor_pos++,std::string(1,c));
-            input_string_updated = true;
-        }
-    }
-    Font *shellfont = RESOURCE_GET(Font,"shellfont");
-    if(input_string_updated)
-    {
-        if(m_input_mesh)
-            this->removeChild(m_input_mesh);
-        std::wstring ws;
-        ws.assign(m_input_string.begin(),m_input_string.end());
-        m_input_mesh = shellfont->getTextNode(m_input_string,m_text_color,m_buffer->getFontSize(),false);
-        m_input_mesh->moveTo2D(glm::vec2(0,m_buffer->getFontSize()*BUFFER_DISPLAYED_LINES));
-        this->addChild(m_input_mesh);
-        m_input_mesh->setVisible(true);
-    }
+    GUINode::update();
 }
diff --git a/src/sparrowshell/sparrowshell.h b/src/sparrowshell/sparrowshell.h
index ba4edd5..716dbd1 100644
--- a/src/sparrowshell/sparrowshell.h
+++ b/src/sparrowshell/sparrowshell.h
@@ -3,16 +3,23 @@
 
 #include <list>
 
-#include "scene/scenetree.h"
 #include "glm/vec2.hpp"
+
+#include "scene/scenetree.h"
+#include "scene/graphicalcontainernode.h"
+
+#include "scene/gui/guinode.h"
+#include "scene/gui/callback.h"
+
 #include "sparrowshell/shellbuffer.h"
 #include "sparrowshell/shellscrollbar.h"
-#include "scene/graphicalcontainernode.h"
+
 #include "SparrowInput/keybindings.h"
 
 class Input;
-class MeshNode;
-class TextNode;
+//class MeshNode;
+//class TextNode;
+class TextInputNode;
 class ShellBuffer;
 class BackGroundNode;
 class ScriptNode;
@@ -21,11 +28,18 @@ namespace sf {
 class Window;
 }
 
-class SparrowShell : public GraphicalContainerNode
+class SparrowShell : public GUINode
 {
 private:
-    glm::ivec2 m_position;
-    glm::ivec2 m_dimension;
+    class InputCallBack : public CallBack{
+        SparrowShell* m_shell;
+        TextInputNode* m_text_input_node;
+    public:
+        InputCallBack(SparrowShell* shell,TextInputNode* textinput);
+        virtual void exec();
+    };
+
+    glm::vec2 m_dimension;
     bool m_shellEnabled = false;
     bool m_resizeBuffer = false;
     bool m_indexMoved = false;
@@ -36,9 +50,7 @@ private:
     ScriptNode * m_script;
 
     glm::vec3 m_text_color;
-    std::string m_input_string;
-    unsigned int m_input_cursor_pos;
-    TextNode* m_input_mesh;
+    TextInputNode* m_input_node;
 
     int m_plop_test;
     int m_move_cursor_left;
@@ -56,7 +68,6 @@ public:
     SparrowShell(sf::Window*);
 
     void update();
-    void updateTextInput();
     void scrollUp();
     void scrollDown();
 
@@ -64,18 +75,17 @@ public:
     void out(std::string str);
     void out(std::string str, glm::vec3 color);
 
-    glm::ivec2 getPosition(){return m_position;}
-    glm::ivec2 getDimension(){return m_dimension;}
+    glm::vec2 getDimension(){return m_dimension;}
 
     unsigned int getIndex(){return m_buffer->getIndex();}
     ShellBuffer* getBuffer(){return m_buffer;}
 
-    void setMoveCursorLeftAction(int action){m_move_cursor_left = action;}
-    void setMoveCursorRightAction(int action){m_move_cursor_right = action;}
+    void setMoveCursorLeftAction(int action);
+    void setMoveCursorRightAction(int action);
     void setClearConsoleAction(int action){m_clear_console_action = action;}
 
-    void moveCursorLeft(){m_input_cursor_pos--;}
-    void moveCursorRight(){m_input_cursor_pos++;}
+    //void moveCursorLeft(){m_input_cursor_pos--;}
+    //void moveCursorRight(){m_input_cursor_pos++;}
 
     bool isEnabled(){return m_shellEnabled;}
     bool isBufferResized(){return m_resizeBuffer;}
diff --git a/src/test/main.cpp b/src/test/main.cpp
index 4c0d42e..c06c758 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -38,6 +38,8 @@
 #include "SparrowSerializer/serializable.h"
 #include <fstream>
 
+#include "resourcemanager.h"
+
 #include "scene/gui/callback.h"
 
 class TestGen : public TerrainGenerator
@@ -180,21 +182,26 @@ struct Config : public Serializable
 };
 
 class Demo {
-    SceneTree* m_demo_scene;
+    std::string m_demo_scene;
+    Engine* m_engine;
+    Config* m_config;
     PlayerCharacterNode* m_player;
 public:
-    Demo(Engine* engine,Config* config){
-        m_demo_scene = engine->createScene();
+    Demo(Engine* engine,Config* config):m_demo_scene("demo"),m_engine(engine),m_config(config){
+        m_engine->createScene(m_demo_scene);
+    }
 
+    void initScene(){
         //player
         m_player = new PlayerCharacterNode(false);
         m_player->setInputs(DefaultKeysMap::MOVE_FORWARD, DefaultKeysMap::MOVE_BACKWARD, DefaultKeysMap::STRAFE_LEFT, DefaultKeysMap::STRAFE_RIGHT, DefaultKeysMap::JUMP, DefaultKeysMap::TOGGLE_NOCLIP);
-        m_demo_scene->getRootObject()->addChild(m_player);
-        m_demo_scene->setMainCamera(m_player);
+        SceneTree* scene = RESOURCE_GET(SceneTree,m_demo_scene);
+        scene->getRootObject()->addChild(m_player);
+        scene->setMainCamera(m_player);
 
         //potator
         Potator *potator = new Potator(m_player, DefaultKeysMap::MAIN_ACTION, DefaultKeysMap::SECONDARY_ACTION, DefaultKeysMap::TERTIARY_ACTION);
-        m_demo_scene->getRootObject()->addChild(potator);
+        scene->getRootObject()->addChild(potator);
 
         //lighting
         LightNode *ambientLight = new LightNode(new AmbientLight(glm::vec3(0.05f)));
@@ -202,28 +209,29 @@ public:
         DirectionnalLight* sun = new DirectionnalLight(glm::vec3(5, 8, -2), glm::vec3(0.9f));
         LightNode *sunLight = new LightNode(sun);
 
-        m_demo_scene->getRootObject()->addChild(ambientLight);
-        m_demo_scene->getRootObject()->addChild(sunLight);
+        scene->getRootObject()->addChild(ambientLight);
+        scene->getRootObject()->addChild(sunLight);
 
-        if(config->scene == "sponza")
+        if(m_config->scene == "sponza")
         {
             sun->initShadowMap(4096);
-            generateSponza(m_demo_scene, engine->getPhysics());
-            m_demo_scene->getRootObject()->addChild(new LightNode(new PointLight(glm::vec3(-3.5, 2, 1.8), 15, glm::vec3(0.35f))));
-            m_demo_scene->getRootObject()->addChild(new LightNode(new PointLight(glm::vec3(-5, 6, 2), 15, glm::vec3(0.35f))));
+            generateSponza(scene, m_engine->getPhysics());
+            scene->getRootObject()->addChild(new LightNode(new PointLight(glm::vec3(-3.5, 2, 1.8), 15, glm::vec3(0.35f))));
+            scene->getRootObject()->addChild(new LightNode(new PointLight(glm::vec3(-5, 6, 2), 15, glm::vec3(0.35f))));
             m_player->setPosition(0.f, 2.f, 0.f);
             sun->setShadowView(glm::vec3(30, 30, 50));
         }
-        else if(config->scene == "terrain")
+        else if(m_config->scene == "terrain")
         {
             sun->initShadowMap(4096);
-            generateTerrain(m_demo_scene, engine->getPhysics());
+            generateTerrain(scene, m_engine->getPhysics());
             m_player->setPosition(0.f, 15.f, 0.f);
             sun->setShadowView(glm::vec3(130, 130, 70));
         }
+
     }
 
-    SceneTree* getScene(){return m_demo_scene;}
+    std::string getScene(){return m_demo_scene;}
     PlayerCharacterNode* getPlayer(){return m_player;}
 };
 
@@ -235,6 +243,7 @@ public:
     ButtonDemoCallBack(Engine* engine, Demo* demo):m_engine(engine),m_demo(demo){}
 
     void exec(){
+        m_demo->initScene();
         m_engine->setScene(m_demo->getScene());
         m_engine->getInput()->setCurrentContext("default");
         m_engine->getInput()->setMouseGrabbed(true);
@@ -246,14 +255,15 @@ public:
 class Menu {
     int m_left_click_action;
     ButtonNode* m_button_demo;
-    SceneTree* m_menu_scene;
+    std::string m_menu_scene;
 public:
-    Menu(Engine* engine,Config* config){
-        m_menu_scene = engine->createScene();
+    Menu(Engine* engine,Config* config):m_menu_scene("menu"){
+        engine->createScene(m_menu_scene);
+        SceneTree* scene = RESOURCE_GET(SceneTree,m_menu_scene);
         m_button_demo = new ButtonNode(new RectangleButtonShape(glm::vec2(300,100)));
         m_button_demo->getLabel()->setText("Start DEMO");
         m_button_demo->getLabel()->setColor(glm::vec3(0.9,0.4,0.3));
-        m_menu_scene->getRootObject()->addChild(m_button_demo);
+        scene->getRootObject()->addChild(m_button_demo);
         sf::Vector2u size = engine->getWindow()->getSize();
         glm::vec2 pos = glm::vec2(size.x,size.y)/glm::vec2(2,2) - m_button_demo->getDimension()/glm::vec2(2,2);
         m_button_demo->setPosition(pos);
@@ -269,7 +279,7 @@ public:
         m_button_demo->setCallBack(button_callback);
     }
 
-    SceneTree* getScene(){return m_menu_scene;}
+    std::string getScene(){return m_menu_scene;}
 };
 
 INIT_SERIALIZABLE(Config)
diff --git a/src/tools/font.cpp b/src/tools/font.cpp
index 51c0021..8ce7723 100644
--- a/src/tools/font.cpp
+++ b/src/tools/font.cpp
@@ -10,6 +10,8 @@ Font::Font()
 
 TextNode* Font::getTextNode(std::string s, glm::vec3 color, float font_size,bool visible)
 {
+    if(s.empty()) return nullptr;
+
     std::wstring ws;
     ws.assign(s.begin(),s.end());
     Mesh* textmesh =  new Mesh();
diff --git a/src/tools/font.h b/src/tools/font.h
index 9f2b88d..8994e9c 100644
--- a/src/tools/font.h
+++ b/src/tools/font.h
@@ -26,6 +26,7 @@ public:
     void setNbChar(int nbchar){m_nbChar =nbchar;}
     void setLineHeight(float line_h){m_defaultLineHeight = line_h;}
     float getLineHeight(){return m_defaultLineHeight;}
+    float getXAdvance(){return (m_charTable['a']).xadvance;}
     void setBase(float base){m_base = base;}
     void setAntiAnliasing(bool antialiasing){m_antiAliasing = antialiasing;}
     void setScale(glm::vec2 scale){m_scale = scale;}