diff --git a/software/chip32/chip32_assembler.cpp b/software/chip32/chip32_assembler.cpp
index 1021720..8b39c4b 100644
--- a/software/chip32/chip32_assembler.cpp
+++ b/software/chip32/chip32_assembler.cpp
@@ -94,15 +94,13 @@ static inline void leu16_put(std::vector<std::uint8_t> &container, uint16_t data
 }
 
 #define GET_REG(name, ra) if (!GetRegister(name, ra)) {\
-    std::stringstream ss; \
-    ss << "ERROR! Bad register name: " << name << std::endl;\
-    m_lastError = ss.str(); \
+    m_lastError.line -1; \
+    m_lastError.message = "ERROR! Bad register name: " + name; \
     return false; }
 
 #define CHIP32_CHECK(instr, cond, error) if (!(cond)) { \
-    std::stringstream ss; \
-    ss << "error line: " << instr.line << ": " << error << std::endl; \
-    m_lastError = ss.str(); \
+    m_lastError.line = instr.line; \
+    m_lastError.message = error; \
     return false; } \
 
 std::vector<std::string> Split(std::string line)
@@ -242,7 +240,7 @@ bool Assembler::CompileMnemonicArguments(Instr &instr)
         instr.compiledArgs.push_back(static_cast<uint32_t>(strtol(instr.args[2].c_str(),  NULL, 0)));
         break;
     default:
-        CHIP32_CHECK(instr, false, "Unsupported mnemonic: " << instr.mnemonic);
+        CHIP32_CHECK(instr, false, "Unsupported mnemonic: " + instr.mnemonic);
         break;
     }
     return true;
@@ -286,7 +284,7 @@ bool Assembler::CompileConstantArgument(Instr &instr, const std::string &a)
         ((intVal <= UINT32_MAX) && (instr.dataTypeSize == 32))) {
         sizeOk = true;
     }
-    CHIP32_CHECK(instr, sizeOk, "integer too high: " << intVal);
+    CHIP32_CHECK(instr, sizeOk, "integer too high: " + std::to_string(intVal));
     if (instr.dataTypeSize == 8) {
         instr.compiledArgs.push_back(intVal);
     } else if (instr.dataTypeSize == 16) {
@@ -362,7 +360,7 @@ bool Assembler::Parse(const std::string &data)
             instr.mnemonic = opcode;
             instr.isLabel = true;
             instr.addr = code_addr;
-            CHIP32_CHECK(instr, m_labels.count(opcode) == 0, "duplicated label : " << opcode);
+            CHIP32_CHECK(instr, m_labels.count(opcode) == 0, "duplicated label : " + opcode);
             m_labels[opcode] = instr;
             m_instructions.push_back(instr);
         }
@@ -383,7 +381,7 @@ bool Assembler::Parse(const std::string &data)
             {
                 instr.args.insert(instr.args.begin(), lineParts.begin() + 1, lineParts.end());
                 CHIP32_CHECK(instr, instr.args.size() == instr.code.nbAargs,
-                             "Bad number of parameters. Required: " << static_cast<int>(instr.code.nbAargs) << ", got: " << instr.args.size());
+                             "Bad number of parameters. Required: " + std::to_string(static_cast<int>(instr.code.nbAargs)) + ", got: " + std::to_string(instr.args.size()));
                 nbArgsSuccess = true;
             }
             else
@@ -412,7 +410,7 @@ bool Assembler::Parse(const std::string &data)
 
             CHIP32_CHECK(instr, (type.size() >= 3), "bad data type size");
             CHIP32_CHECK(instr, (type[0] == 'D') && ((type[1] == 'C') || (type[1] == 'V')), "bad data type (must be DCxx or DVxx");
-            CHIP32_CHECK(instr, m_labels.count(opcode) == 0, "duplicated label : " << opcode);
+            CHIP32_CHECK(instr, m_labels.count(opcode) == 0, "duplicated label : " + opcode);
 
             instr.isRomData = type[1] == 'C' ? true : false;
             instr.isRamData = type[1] == 'V' ? true : false;
@@ -445,7 +443,8 @@ bool Assembler::Parse(const std::string &data)
         }
         else
         {
-            m_lastError = "Unknown mnemonic or bad formatted line: " + std::to_string(lineNum);
+            m_lastError.message = "Unknown mnemonic or badly formatted line";
+            m_lastError.line = lineNum;
             return false;
         }
     }
@@ -458,7 +457,7 @@ bool Assembler::Parse(const std::string &data)
             // label is the first argument for jump, second position for LCONS
             uint16_t argsIndex = instr.code.opcode == OP_LCONS ? 1 : 0;
             std::string label = instr.args[argsIndex];
-            CHIP32_CHECK(instr, m_labels.count(label) > 0, "label not found: " << label);
+            CHIP32_CHECK(instr, m_labels.count(label) > 0, "label not found: " + label);
             uint16_t addr = m_labels[label].addr;
             std::cout << "LABEL: " << label << " , addr: " << addr << std::endl;
             instr.compiledArgs[argsIndex] = addr & 0xFF;
diff --git a/software/chip32/chip32_assembler.h b/software/chip32/chip32_assembler.h
index 4e92a3e..8bc54e6 100644
--- a/software/chip32/chip32_assembler.h
+++ b/software/chip32/chip32_assembler.h
@@ -83,10 +83,16 @@ struct Result
     }
 };
 
-
 class Assembler
 {
 public:
+
+    struct Error {
+        std::string message;
+        int line;
+        std::string ToString() const { return "Error line " + std::to_string(line) + ", " + message; }
+    };
+
     // Separated parser to allow only code check
     bool Parse(const std::string &data);
     // Generate the executable binary after the parse pass
@@ -104,7 +110,7 @@ public:
     bool GetRegister(const std::string &regName, uint8_t &reg);
     bool GetRegisterName(uint8_t reg, std::string &regName);
 
-    std::string GetLastError() { return m_lastError; }
+    Error GetLastError() { return m_lastError; }
 
 private:
     bool CompileMnemonicArguments(Instr &instr);
@@ -112,7 +118,7 @@ private:
     // label, address
     std::map<std::string, Instr> m_labels;
 
-    std::string m_lastError;
+    Error m_lastError;
 
     std::vector<Instr> m_instructions;
     bool CompileConstantArgument(Instr &instr, const std::string &a);
diff --git a/story-editor/CMakeLists.txt b/story-editor/CMakeLists.txt
index 6377592..a42339d 100644
--- a/story-editor/CMakeLists.txt
+++ b/story-editor/CMakeLists.txt
@@ -119,8 +119,8 @@ set(SRCS
     src/resources_window.cpp
     src/resources_window.h
 
-    src/node_properties_window.cpp
-    src/node_properties_window.h
+    src/properties_window.cpp
+    src/properties_window.h
 
     src/gui.h
     src/gui.cpp
@@ -128,6 +128,9 @@ set(SRCS
     src/code_editor.cpp
     src/code_editor.h
 
+    src/connection.cpp
+    src/connection.h
+
     src/uuid.h
     src/resource_manager.h
     src/i_story_project.h
diff --git a/story-editor/icon.rc b/story-editor/icon.rc
new file mode 100644
index 0000000..28fac41
--- /dev/null
+++ b/story-editor/icon.rc
@@ -0,0 +1 @@
+IDI_ICON1               ICON    DISCARDABLE     "story-editor-logo.ico"
diff --git a/story-editor/nsis-installer.nsi b/story-editor/nsis-installer.nsi
new file mode 100644
index 0000000..7330313
--- /dev/null
+++ b/story-editor/nsis-installer.nsi
@@ -0,0 +1,53 @@
+# define installer name
+!define APPNAME "StoryEditor"
+!define COMPANYNAME "OpenStoryTeller"
+!define DESCRIPTION "A story editor using graphical nodes, for the OpenStoryTeller project. http://openstoryteller.org"
+
+!define VERSIONMAJOR 1
+!define VERSIONMINOR 3
+!define VERSIONBUILD 4
+OutFile "build/story-editor-setup.exe"
+ 
+# set desktop as install directory
+InstallDir "$PROGRAMFILES64\${APPNAME}"
+Name "${COMPANYNAME} - ${APPNAME}"
+
+# default section start
+Section
+ 
+# define output path
+SetOutPath $INSTDIR
+ 
+# specify file to go in output path
+File /r "build/story-editor\*"
+File "story-editor-logo.ico"
+ 
+# define uninstaller name
+WriteUninstaller $INSTDIR\uninstaller.exe
+
+# Create shortcut
+SetShellVarContext all
+CreateDirectory "$SMPROGRAMS\${COMPANYNAME}"
+CreateShortCut "$SMPROGRAMS\${COMPANYNAME}\${APPNAME}.lnk" "$INSTDIR\story-editor.exe" "" "$INSTDIR\story-editor-logo.ico"
+SetShellVarContext current
+
+ 
+#-------
+# default section end
+SectionEnd
+ 
+# create a section to define what the uninstaller does.
+# the section will always be named "Uninstall"
+Section "Uninstall"
+ 
+# Always delete uninstaller first
+Delete $INSTDIR\uninstaller.exe
+Delete "$SMPROGRAMS\${COMPANYNAME}\${APPNAME}.lnk"
+Delete $INSTDIR\story-editor-logo.ico
+ 
+# now delete installed file
+Delete $INSTDIR\*
+ 
+# Delete the directory
+RMDir /r $INSTDIR
+SectionEnd
diff --git a/story-editor/src/base_node.h b/story-editor/src/base_node.h
index b37a53f..4565ab9 100644
--- a/story-editor/src/base_node.h
+++ b/story-editor/src/base_node.h
@@ -105,8 +105,10 @@ public:
 
 
     virtual void Draw() = 0;
-
     virtual void DrawProperties() = 0;
+    virtual std::string GenerateConstants() = 0;
+    virtual std::string Build() = 0;
+    virtual std::string GetEntryLabel() = 0;
 
     void SetPosition(float x, float y);
 
@@ -135,8 +137,8 @@ public:
     unsigned long GetId() const { return m_id; }
     unsigned long GetInternalId() const { return m_node->ID.Get(); }
 
-    void seTitle(const std::string &title) { m_title = title; }
-    std::string getTitle() const { return m_title; }
+    void SeTitle(const std::string &title) { m_title = title; }
+    std::string GetTitle() const { return m_title; }
 
     virtual void FromJson(const nlohmann::json &) = 0;
     virtual void ToJson(nlohmann::json &) = 0;
diff --git a/story-editor/src/code_editor.cpp b/story-editor/src/code_editor.cpp
index 3a85e36..37b07ce 100644
--- a/story-editor/src/code_editor.cpp
+++ b/story-editor/src/code_editor.cpp
@@ -1,6 +1,7 @@
 #include "code_editor.h"
 
 #include <fstream>
+#include <memory>
 
 CodeEditor::CodeEditor()
     : WindowBase("Code editor")
@@ -11,27 +12,32 @@ CodeEditor::CodeEditor()
 void CodeEditor::Initialize()
 {
     // error markers
-    TextEditor::ErrorMarkers markers;
-    markers.insert(std::make_pair<int, std::string>(6, "Example error here:\nInclude file not found: \"TextEditor.h\""));
-    markers.insert(std::make_pair<int, std::string>(41, "Another example error"));
-    mEditor.SetErrorMarkers(markers);
+
+//
+//    markers.insert(std::make_pair<int, std::string>(41, "Another example error"));
+
 
     // "breakpoint" markers
-        //TextEditor::Breakpoints bpts;
-        //bpts.insert(24);
-        //bpts.insert(47);
-        //editor.SetBreakpoints(bpts);
+    m_breakPoints.insert(42);
+    mEditor.SetBreakpoints(m_breakPoints);
 
-    mFileToEdit = "test/test_zebra7500.js";
+}
 
-    {
-        std::ifstream t(mFileToEdit);
-        if (t.good())
-        {
-            std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
-            mEditor.SetText(str);
-        }
-    }
+void CodeEditor::ClearErrors()
+{
+    m_markers.clear();
+}
+
+void CodeEditor::AddError(int line, const std::string &text)
+{
+    m_markers.insert(std::make_pair(line, text));
+    mEditor.SetErrorMarkers(m_markers);
+}
+
+
+void CodeEditor::SetScript(const std::string &txt)
+{
+    mEditor.SetText(txt);
 }
 
 void CodeEditor::Draw()
@@ -99,10 +105,9 @@ void CodeEditor::Draw()
         ImGui::EndMenuBar();
     }
 
-    ImGui::Text("%6d/%-6d %6d lines  | %s | %s | %s | %s", cpos.mLine + 1, cpos.mColumn + 1, mEditor.GetTotalLines(),
+    ImGui::Text("%6d/%-6d %6d lines  | %s | %s ", cpos.mLine + 1, cpos.mColumn + 1, mEditor.GetTotalLines(),
         mEditor.IsOverwrite() ? "Ovr" : "Ins",
-        mEditor.CanUndo() ? "*" : " ",
-        mEditor.GetLanguageDefinition().mName.c_str(), mFileToEdit.c_str());
+        mEditor.CanUndo() ? "*" : " ");
 
     mEditor.Render("TextEditor");
     WindowBase::EndDraw();
diff --git a/story-editor/src/code_editor.h b/story-editor/src/code_editor.h
index 273da5a..86b06e8 100644
--- a/story-editor/src/code_editor.h
+++ b/story-editor/src/code_editor.h
@@ -11,7 +11,12 @@ public:
     virtual void Draw() override;
 
     void Initialize();
+
+    void SetScript(const std::string &txt);
+    void ClearErrors();
+    void AddError(int line, const std::string &text);
 private:
     TextEditor mEditor;
-    std::string mFileToEdit;
+    TextEditor::Breakpoints m_breakPoints;
+    TextEditor::ErrorMarkers m_markers;
 };
diff --git a/story-editor/src/connection.cpp b/story-editor/src/connection.cpp
new file mode 100644
index 0000000..6b5ad8a
--- /dev/null
+++ b/story-editor/src/connection.cpp
@@ -0,0 +1,17 @@
+#include "connection.h"
+
+void to_json(nlohmann::json &j, const Connection &p) {
+    j = nlohmann::json{
+                       {"outNodeId", static_cast<int64_t>(p.outNodeId)},
+                       {"outPortIndex", static_cast<int64_t>(p.outPortIndex)},
+                       {"inNodeId", static_cast<int64_t>(p.inNodeId)},
+                       {"inPortIndex", static_cast<int64_t>(p.inPortIndex)},
+                       };
+}
+
+void from_json(const nlohmann::json &j, Connection &p) {
+    j.at("outNodeId").get_to(p.outNodeId);
+    j.at("outPortIndex").get_to(p.outPortIndex);
+    j.at("inNodeId").get_to(p.inNodeId);
+    j.at("inPortIndex").get_to(p.inPortIndex);
+}
diff --git a/story-editor/src/connection.h b/story-editor/src/connection.h
new file mode 100644
index 0000000..12ccfff
--- /dev/null
+++ b/story-editor/src/connection.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include <algorithm>
+#include "json.hpp"
+
+struct Connection
+{
+    Connection()
+        : outNodeId(0)
+        , outPortIndex(0)
+        , inNodeId(0)
+        , inPortIndex(0)
+    {
+
+    }
+    unsigned int outNodeId{0};
+    unsigned int outPortIndex{0};
+    unsigned int inNodeId{0};
+    unsigned int inPortIndex{0};
+
+    Connection& operator=(const Connection& other) {
+        this->outNodeId = other.outNodeId;
+        this->outPortIndex = other.outPortIndex;
+        this->inNodeId = other.inNodeId;
+        this->inPortIndex = other.inPortIndex;
+        return *this;
+    }
+};
+
+inline bool operator==(Connection const &a, Connection const &b)
+{
+    return a.outNodeId == b.outNodeId && a.outPortIndex == b.outPortIndex
+           && a.inNodeId == b.inNodeId && a.inPortIndex == b.inPortIndex;
+}
+
+inline bool operator!=(Connection const &a, Connection const &b)
+{
+    return !(a == b);
+}
+
+
+inline void invertConnection(Connection &id)
+{
+    std::swap(id.outNodeId, id.inNodeId);
+    std::swap(id.outPortIndex, id.inPortIndex);
+}
+
+void to_json(nlohmann::json& j, const Connection& p);
+
+void from_json(const nlohmann::json& j, Connection& p);
+
+
+
diff --git a/story-editor/src/console_window.cpp b/story-editor/src/console_window.cpp
index 7a6b893..7100d14 100644
--- a/story-editor/src/console_window.cpp
+++ b/story-editor/src/console_window.cpp
@@ -8,13 +8,7 @@ ConsoleWindow::ConsoleWindow()
 {
     ClearLog();
     memset(InputBuf, 0, sizeof(InputBuf));
-    HistoryPos = -1;
 
-    // "CLASSIFY" is here to provide the test case where "C"+[tab] completes to "CL" and display multiple matches.
-    Commands.push_back("HELP");
-    Commands.push_back("HISTORY");
-    Commands.push_back("CLEAR");
-    Commands.push_back("CLASSIFY");
     AutoScroll = true;
     ScrollToBottom = false;
 }
@@ -22,8 +16,6 @@ ConsoleWindow::ConsoleWindow()
 ConsoleWindow::~ConsoleWindow()
 {
     ClearLog();
-    for (int i = 0; i < History.Size; i++)
-        free(History[i]);
 }
 
 void ConsoleWindow::ClearLog()
@@ -113,7 +105,16 @@ void ConsoleWindow::Draw()
     {
         for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
         {
-            ImGui::TextUnformatted(Items[i].c_str());
+            if (Items[i].type > 0)
+            {
+                ImGui::PushStyleColor(ImGuiCol_Text, IM_COL32(255,0,0,255));
+            }
+            ImGui::TextUnformatted(Items[i].text.c_str());
+
+            if (Items[i].type > 0)
+            {
+                ImGui::PopStyleColor();
+            }
         }
     }
             /*
@@ -168,151 +169,3 @@ void ConsoleWindow::Draw()
    WindowBase::EndDraw();
 }
 
-void ConsoleWindow::ExecCommand(const char *command_line)
-{
-    AddLog("# %s\n", command_line);
-
-    // Insert into history. First find match and delete it so it can be pushed to the back.
-    // This isn't trying to be smart or optimal.
-    HistoryPos = -1;
-    for (int i = History.Size - 1; i >= 0; i--)
-        if (Stricmp(History[i], command_line) == 0)
-        {
-            free(History[i]);
-            History.erase(History.begin() + i);
-            break;
-        }
-    History.push_back(Strdup(command_line));
-
-    // Process command
-    if (Stricmp(command_line, "CLEAR") == 0)
-    {
-        ClearLog();
-    }
-    else if (Stricmp(command_line, "HELP") == 0)
-    {
-        AddLog("Commands:");
-        for (int i = 0; i < Commands.Size; i++)
-            AddLog("- %s", Commands[i]);
-    }
-    else if (Stricmp(command_line, "HISTORY") == 0)
-    {
-        int first = History.Size - 10;
-        for (int i = first > 0 ? first : 0; i < History.Size; i++)
-            AddLog("%3d: %s\n", i, History[i]);
-    }
-    else
-    {
-        AddLog("Unknown command: '%s'\n", command_line);
-    }
-
-    // On command input, we scroll to bottom even if AutoScroll==false
-    ScrollToBottom = true;
-}
-
-int ConsoleWindow::TextEditCallbackStub(ImGuiInputTextCallbackData *data)
-{
-    ConsoleWindow* console = (ConsoleWindow*)data->UserData;
-    return console->TextEditCallback(data);
-}
-
-int ConsoleWindow::TextEditCallback(ImGuiInputTextCallbackData *data)
-{
-    //AddLog("cursor: %d, selection: %d-%d", data->CursorPos, data->SelectionStart, data->SelectionEnd);
-    switch (data->EventFlag)
-    {
-    case ImGuiInputTextFlags_CallbackCompletion:
-    {
-        // Example of TEXT COMPLETION
-
-        // Locate beginning of current word
-        const char* word_end = data->Buf + data->CursorPos;
-        const char* word_start = word_end;
-        while (word_start > data->Buf)
-        {
-            const char c = word_start[-1];
-            if (c == ' ' || c == '\t' || c == ',' || c == ';')
-                break;
-            word_start--;
-        }
-
-        // Build a list of candidates
-        ImVector<const char*> candidates;
-        for (int i = 0; i < Commands.Size; i++)
-            if (Strnicmp(Commands[i], word_start, (int)(word_end - word_start)) == 0)
-                candidates.push_back(Commands[i]);
-
-        if (candidates.Size == 0)
-        {
-            // No match
-            AddLog("No match for \"%.*s\"!\n", (int)(word_end - word_start), word_start);
-        }
-        else if (candidates.Size == 1)
-        {
-            // Single match. Delete the beginning of the word and replace it entirely so we've got nice casing.
-            data->DeleteChars((int)(word_start - data->Buf), (int)(word_end - word_start));
-            data->InsertChars(data->CursorPos, candidates[0]);
-            data->InsertChars(data->CursorPos, " ");
-        }
-        else
-        {
-            // Multiple matches. Complete as much as we can..
-            // So inputing "C"+Tab will complete to "CL" then display "CLEAR" and "CLASSIFY" as matches.
-            int match_len = (int)(word_end - word_start);
-            for (;;)
-            {
-                int c = 0;
-                bool all_candidates_matches = true;
-                for (int i = 0; i < candidates.Size && all_candidates_matches; i++)
-                    if (i == 0)
-                        c = toupper(candidates[i][match_len]);
-                    else if (c == 0 || c != toupper(candidates[i][match_len]))
-                        all_candidates_matches = false;
-                if (!all_candidates_matches)
-                    break;
-                match_len++;
-            }
-
-            if (match_len > 0)
-            {
-                data->DeleteChars((int)(word_start - data->Buf), (int)(word_end - word_start));
-                data->InsertChars(data->CursorPos, candidates[0], candidates[0] + match_len);
-            }
-
-            // List matches
-            AddLog("Possible matches:\n");
-            for (int i = 0; i < candidates.Size; i++)
-                AddLog("- %s\n", candidates[i]);
-        }
-
-        break;
-    }
-    case ImGuiInputTextFlags_CallbackHistory:
-    {
-        // Example of HISTORY
-        const int prev_history_pos = HistoryPos;
-        if (data->EventKey == ImGuiKey_UpArrow)
-        {
-            if (HistoryPos == -1)
-                HistoryPos = History.Size - 1;
-            else if (HistoryPos > 0)
-                HistoryPos--;
-        }
-        else if (data->EventKey == ImGuiKey_DownArrow)
-        {
-            if (HistoryPos != -1)
-                if (++HistoryPos >= History.Size)
-                    HistoryPos = -1;
-        }
-
-        // A better implementation would preserve the data on the current input line along with cursor position.
-        if (prev_history_pos != HistoryPos)
-        {
-            const char* history_str = (HistoryPos >= 0) ? History[HistoryPos] : "";
-            data->DeleteChars(0, data->BufTextLen);
-            data->InsertChars(0, history_str);
-        }
-    }
-    }
-    return 0;
-}
diff --git a/story-editor/src/console_window.h b/story-editor/src/console_window.h
index 57c0086..48a5de8 100644
--- a/story-editor/src/console_window.h
+++ b/story-editor/src/console_window.h
@@ -25,42 +25,34 @@ public:
 
     void    ClearLog();
 
-    void AddMessage(const std::string &message) { AddLog("%s", message.c_str()); }
-
-    virtual void Draw() override;
-
-    void    ExecCommand(const char* command_line);
-
-    // In C++11 you'd be better off using lambdas for this sort of forwarding callbacks
-    static int TextEditCallbackStub(ImGuiInputTextCallbackData* data);
-
-    int     TextEditCallback(ImGuiInputTextCallbackData* data);
-
-private:
-
-    void    AddLog(const char* fmt, ...) IM_FMTARGS(2)
+    void AddLog(const std::string &text, uint32_t type)
     {
+
+
         // FIXME-OPT
-        char buf[1024];
-        va_list args;
-        va_start(args, fmt);
-        vsnprintf(buf, IM_ARRAYSIZE(buf), fmt, args);
-        buf[IM_ARRAYSIZE(buf)-1] = 0;
-        va_end(args);
+        Entry e{text, type};
         std::scoped_lock<std::mutex> mutex(mLogMutex);
-        Items.push_back(Strdup(buf));
-        if (Items.size() > 100) 
+        Items.push_back(e);
+        if (Items.size() > 100)
         {
             Items.erase(Items.begin());
         }
     }
 
+    virtual void Draw() override;
+
+
+private:
+
+    struct Entry {
+        std::string text;
+        uint32_t type;
+    };
+
     std::mutex              mLogMutex;
     char                  InputBuf[256];
-    std::vector<std::string>       Items;
-    ImVector<const char*> Commands;
-    ImVector<char*>       History;
-    int                   HistoryPos;    // -1: new line, 0..History.Size-1 browsing history.
+    std::vector<Entry>       Items;
+
     ImGuiTextFilter       Filter;
     bool                  AutoScroll;
     bool                  ScrollToBottom;
diff --git a/story-editor/src/emulator_window.cpp b/story-editor/src/emulator_window.cpp
index 9abedbb..d4a5eb0 100644
--- a/story-editor/src/emulator_window.cpp
+++ b/story-editor/src/emulator_window.cpp
@@ -1,17 +1,18 @@
 #include "emulator_window.h"
 #include "gui.h"
+#include "IconsMaterialDesignIcons.h"
 
-EmulatorWindow::EmulatorWindow()
+EmulatorWindow::EmulatorWindow(IStoryProject &proj)
     : WindowBase("Emulator")
+    , m_project(proj)
 {
 
-    Gui::LoadRawImage("assets/play.png", m_playImage);
 }
 
-void EmulatorWindow::Initialize() {
+void EmulatorWindow::Initialize()
+{
+
 
-    int my_image_width = 0;
-    int my_image_height = 0;
 
 }
 
@@ -33,8 +34,32 @@ void EmulatorWindow::Draw()
     ImVec2 p = ImGui::GetCursorScreenPos();
     ImGui::GetWindowDrawList()->AddRectFilled(p, ImVec2(p.x + 320, p.y + 240), ImGui::GetColorU32(ImVec4(1.0, 1.0, 1.0, 1.0)));
 
-    ImGui::SetCursorScreenPos(ImVec2(p.x, p.y + 240));
-    ImGui::ImageButton("play", m_playImage.texture, ImVec2(45, 45));
+    ImGui::SetCursorScreenPos(ImVec2(p.x, p.y + 244));
+
+    float old_size = ImGui::GetFont()->Scale;
+    ImGui::GetFont()->Scale *= 2;
+
+    ImGui::PushFont(ImGui::GetFont());
+
+
+    ImGui::Button(ICON_MDI_PLAY_CIRCLE_OUTLINE, ImVec2(50, 50));
+    ImGui::SameLine();
+    ImGui::Button(ICON_MDI_STOP_CIRCLE_OUTLINE, ImVec2(50, 50));
+    ImGui::SameLine();
+    ImGui::Button(ICON_MDI_ARROW_LEFT_BOLD_CIRCLE_OUTLINE, ImVec2(50, 50));
+    ImGui::SameLine();
+    ImGui::Button(ICON_MDI_ARROW_RIGHT_BOLD_CIRCLE_OUTLINE, ImVec2(50, 50));
+
+    ImGui::GetFont()->Scale = old_size;
+    ImGui::PopFont();
+
+    ImGui::SeparatorText("Script control and debug");
+
+    if (ImGui::Button("Build"))
+    {
+        m_project.Build();
+    }
+    ImGui::SameLine();
 
     WindowBase::EndDraw();
 }
diff --git a/story-editor/src/emulator_window.h b/story-editor/src/emulator_window.h
index 2ed1d61..d2c5594 100644
--- a/story-editor/src/emulator_window.h
+++ b/story-editor/src/emulator_window.h
@@ -1,20 +1,17 @@
 #pragma once
 
 #include "window_base.h"
-#include "gui.h"
+#include "i_story_project.h"
 
 class EmulatorWindow : public WindowBase
 {
 public:
-    EmulatorWindow();
+    EmulatorWindow(IStoryProject &proj);
 
     void Initialize();
     virtual void Draw() override;
 
 private:
-    Gui::Image m_playImage;
-    Gui::Image m_pauseImage;
-    Gui::Image m_homeImage;
-
+    IStoryProject &m_project;
 };
 
diff --git a/story-editor/src/i_story_project.h b/story-editor/src/i_story_project.h
index 2679e94..f51ccf3 100644
--- a/story-editor/src/i_story_project.h
+++ b/story-editor/src/i_story_project.h
@@ -5,14 +5,17 @@
 #include <string>
 #include <vector>
 #include <memory>
+#include <list>
 
 #include "resource.h"
+#include "connection.h"
 
 class IStoryProject
 {
 public:
     virtual ~IStoryProject() {}
 
+    virtual void Log(const std::string &txt, bool critical = false) = 0;
     virtual void PlaySoundFile(const std::string &fileName) = 0;
     virtual std::string BuildFullAssetsPath(const std::string &fileName) const = 0;
 
@@ -22,7 +25,12 @@ public:
     virtual std::pair<FilterIterator, FilterIterator> Resources() = 0;
     virtual void AddResource(std::shared_ptr<Resource> res) = 0;
     virtual void ClearResources() = 0;
+    virtual void DeleteResource(FilterIterator &it) = 0;
 
+    // Node interaction
+    virtual void Build() = 0;
+    virtual std::list<std::shared_ptr<Connection>> GetNodeConnections(unsigned long nodeId) = 0;
+    virtual std::string GetNodeEntryLabel(unsigned long nodeId) = 0;
 
 };
 
diff --git a/story-editor/src/main_window.cpp b/story-editor/src/main_window.cpp
index b427933..b193011 100644
--- a/story-editor/src/main_window.cpp
+++ b/story-editor/src/main_window.cpp
@@ -19,8 +19,10 @@
 #include "ImGuiFileDialog.h"
 
 MainWindow::MainWindow()
-    : m_resourcesWindow(*this)
+    : m_emulatorWindow(*this)
+    , m_resourcesWindow(*this)
     , m_nodeEditorWindow(*this)
+
 {
     m_project.Clear();
 }
@@ -168,109 +170,15 @@ void MainWindow::Initialize()
     gui.Initialize();
   //  gui.ApplyTheme();
 
-    editor.Initialize();
+    m_editor.Initialize();
     m_emulatorWindow.Initialize();
     m_nodeEditorWindow.Initialize();
-    m_nodePropertiesWindow.Initialize();
+    m_PropertiesWindow.Initialize();
 
     LoadParams();
 }
 
 
-void MainWindow::ShowOptionsWindow()
-{
-    static int pingState = 0;
-
-    // Always center this window when appearing
-    ImVec2 center = ImGui::GetMainViewport()->GetCenter();
-    ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
-    ImGui::SetNextWindowSize(ImVec2(600, 0.0f));
-    if (ImGui::BeginPopupModal("Options", NULL, ImGuiWindowFlags_AlwaysAutoResize))
-    {
-        ImGui::PushItemWidth(-1.0f);
-
-        ImGui::Text("Adresse du serveur");
-        ImGui::SameLine();
-        ImGui::InputText("##addr",  mBufAddress, sizeof(mBufAddress));
-
-        ImGui::Text("Chemin de récupération");
-        ImGui::SameLine();
-        ImGui::InputText("##rec_path",  mBufReceivePath, sizeof(mBufReceivePath));
-
-        ImGui::Text("Chemin d'envoi des données");
-        ImGui::SameLine();
-        ImGui::InputText("##send_path",  mBufSendPath, sizeof(mBufSendPath));
-
-        ImGui::PushItemWidth(100);
-        ImGui::Text("Port");
-        ImGui::SameLine();
-        ImGui::InputText("##port",  mBufPort, sizeof(mBufPort), ImGuiInputTextFlags_CharsDecimal);
-
-        float width = 50;
-        ImGui::BeginGroup();
-        ImGui::PushID("Zebra7500");
-        ImGui::TextUnformatted("Adresse IP Zebra7500");
-        ImGui::SameLine();
-        for (int i = 0; i < 4; i++) {
-            ImGui::PushItemWidth(width);
-            ImGui::PushID(i);
-            bool invalid_octet = false;
-            if (octets[i] > 255) {
-                // Make values over 255 red, and when focus is lost reset it to 255.
-                octets[i] = 255;
-                invalid_octet = true;
-                ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
-            }
-            if (octets[i] < 0) {
-                // Make values below 0 yellow, and when focus is lost reset it to 0.
-                octets[i] = 0;
-                invalid_octet = true;
-                ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 1.0f, 0.0f, 1.0f));
-            }
-            ImGui::InputInt("##v", &octets[i], 0, 0, ImGuiInputTextFlags_CharsDecimal);
-            if (invalid_octet) {
-                ImGui::PopStyleColor();
-            }
-            ImGui::SameLine();
-            ImGui::PopID();
-            ImGui::PopItemWidth();
-        }
-        ImGui::PopID();
-        ImGui::EndGroup();
-
-        // Example action button and way to build the IP string
-        ImGui::SameLine();
-
-        ImGui::SameLine();
-        if (pingState == 1)
-        {
-            ImGui::TextUnformatted("Ping en cours...");
-        }
-        else if (pingState == 2)
-        {
-            ImGui::TextUnformatted("Ping succès!");
-        }
-        else if (pingState == 3)
-        {
-            ImGui::TextUnformatted("Ping erreur :(");
-        }
-        else
-        {
-            ImGui::TextUnformatted("");
-        }
-
-        ImGui::Separator();
-
-
-        ImGui::SetItemDefaultFocus();
-        ImGui::SameLine();
-        if (ImGui::Button("Cancel", ImVec2(120, 0)))
-        {
-            ImGui::CloseCurrentPopup();
-        }
-        ImGui::EndPopup();
-    }
-}
 
 bool MainWindow::ShowQuitConfirm()
 {
@@ -319,13 +227,13 @@ void MainWindow::OpenProjectDialog()
 
             if (m_project.Load(filePathName, model, m_resources))
             {
-                m_consoleWindow.AddMessage("Open project success");
+                Log("Open project success");
                 m_nodeEditorWindow.Load(model);
                 EnableProject();
             }
             else
             {
-                m_consoleWindow.AddMessage("Open project error");
+                Log("Open project error");
             }
 
 
@@ -600,14 +508,12 @@ void MainWindow::Loop()
         // ------------  Draw all windows
         m_consoleWindow.Draw();
         m_emulatorWindow.Draw();
-        editor.Draw();
+        m_editor.Draw();
         m_resourcesWindow.Draw();
         m_nodeEditorWindow.Draw();
 
-        m_nodePropertiesWindow.SetSelectedNode(m_nodeEditorWindow.GetSelectedNode());
-        m_nodePropertiesWindow.Draw();
-
-        ShowOptionsWindow();
+        m_PropertiesWindow.SetSelectedNode(m_nodeEditorWindow.GetSelectedNode());
+        m_PropertiesWindow.Draw();
 
         NewProjectPopup();
         OpenProjectDialog();
@@ -629,9 +535,14 @@ void MainWindow::Loop()
     gui.Destroy();
 }
 
+void MainWindow::Log(const std::string &txt, bool critical)
+{
+    m_consoleWindow.AddLog(txt, critical ? 1 : 0);
+}
+
 void MainWindow::PlaySoundFile(const std::string &fileName)
 {
-    m_consoleWindow.AddMessage("Play sound file: " + fileName);
+    Log("Play sound file: " + fileName);
     m_project.PlaySoundFile(fileName);
 }
 
@@ -665,6 +576,112 @@ std::pair<FilterIterator, FilterIterator> MainWindow::Resources()
     return m_resources.Items();
 }
 
+void MainWindow::DeleteResource(FilterIterator &it)
+{
+    return m_resources.Delete(it);
+}
+
+void MainWindow::Build()
+{
+    // 1. First compile nodes to assembly
+    CompileToAssembler();
+
+    // 2. Compile the assembly to machine binary
+    GenerateBinary();
+
+    // 3. Convert all media to desired type format
+    ConvertResources();
+}
+
+std::string MainWindow::GetNodeEntryLabel(unsigned long nodeId)
+{
+    return m_nodeEditorWindow.GetNodeEntryLabel(nodeId);
+}
+
+std::list<std::shared_ptr<Connection>> MainWindow::GetNodeConnections(unsigned long nodeId)
+{
+    return m_nodeEditorWindow.GetNodeConnections(nodeId);
+}
+
+bool MainWindow::CompileToAssembler()
+{
+    // 1. Check if the model can be compiled, check for errors and report
+    // FIXME
+
+    // 2. Generate the assembly code from the model
+    m_currentCode = m_nodeEditorWindow.Build();
+
+    // Add global functions
+    {
+        std::string buffer;
+
+        std::ifstream f("scripts/media.asm");
+        f.seekg(0, std::ios::end);
+        buffer.resize(f.tellg());
+        f.seekg(0);
+        f.read(buffer.data(), buffer.size());
+        m_currentCode += buffer;
+    }
+
+    m_editor.SetScript(m_currentCode);
+
+    return true;
+}
+
+void MainWindow::GenerateBinary()
+{
+    m_dbg.run_result = VM_FINISHED;
+    m_dbg.free_run = false;
+
+    if (m_assembler.Parse(m_currentCode) == true )
+    {
+        if (m_assembler.BuildBinary(m_program, m_result) == true)
+        {
+            m_result.Print();
+
+            Log("Binary successfully generated.");
+
+            // Update ROM memory
+            std::copy(m_program.begin(), m_program.end(), m_rom_data);
+
+            // FIXME
+//            m_ramView->SetMemory(m_ram_data, sizeof(m_ram_data));
+//            m_romView->SetMemory(m_rom_data, m_program.size());
+            m_project.SaveStory(m_program);
+            chip32_initialize(&m_chip32_ctx);
+            m_dbg.run_result = VM_OK;
+            UpdateVmView();
+            //            DebugContext::DumpCodeAssembler(m_assembler);
+        }
+        else
+        {
+            Chip32::Assembler::Error err = m_assembler.GetLastError();
+            Log(err.ToString(), true);
+            m_editor.AddError(err.line, err.message); // show also the error in the code editor
+        }
+    }
+    else
+    {
+        Chip32::Assembler::Error err = m_assembler.GetLastError();
+        Log(err.ToString(), true);
+        m_editor.AddError(err.line, err.message); // show also the error in the code editor
+    }
+}
+
+void MainWindow::UpdateVmView()
+{
+    // FIXME
+//    m_vmDock->updateRegistersView(m_chip32_ctx);
+//    highlightNextLine();
+    // Refresh RAM content
+//    m_ramView->SetMemory(m_ram_data, m_chip32_ctx.ram.size);
+}
+
+void MainWindow::ConvertResources()
+{
+
+}
+
 void MainWindow::SaveParams()
 {
 
diff --git a/story-editor/src/main_window.h b/story-editor/src/main_window.h
index a33ab81..5e3e773 100644
--- a/story-editor/src/main_window.h
+++ b/story-editor/src/main_window.h
@@ -8,7 +8,7 @@
 #include "emulator_window.h"
 #include "resources_window.h"
 #include "node_editor_window.h"
-#include "node_properties_window.h"
+#include "properties_window.h"
 
 #include "chip32_assembler.h"
 #include "chip32_vm.h"
@@ -92,7 +92,8 @@ private:
     std::vector<uint8_t> m_program;
     Chip32::Assembler m_assembler;
     Chip32::Result m_result;
-   // DebugContext m_dbg;
+    DebugContext m_dbg;
+    std::string m_currentCode;
 
     std::vector<std::string> m_recentProjects;
 
@@ -101,29 +102,17 @@ private:
     Gui gui;
     EmulatorWindow m_emulatorWindow;
     ConsoleWindow m_consoleWindow;
-    CodeEditor editor;
+    CodeEditor m_editor;
 
     ResourcesWindow m_resourcesWindow;
 
     NodeEditorWindow m_nodeEditorWindow;
 
-    NodePropertiesWindow m_nodePropertiesWindow;
-
-
-    char mBufAddress[200];
-    char mBufReceivePath[200];
-    char mBufSendPath[200];
-    char mBufPort[10];
-
-    int octets[4];
-
-    std::string mServerAddr;
-    std::string mServerRecUrl;
-    std::string mServerSndUrl;
-    int mServerPort;
+    PropertiesWindow m_PropertiesWindow;
 
 
     // From IStoryProject (proxy to StoryProject class)
+    virtual void Log(const std::string &txt, bool critical = false) override;
     virtual void PlaySoundFile(const std::string &fileName) override;;
     virtual std::string BuildFullAssetsPath(const std::string &fileName) const override;
     virtual std::pair<FilterIterator, FilterIterator> Images() override;
@@ -132,13 +121,15 @@ private:
     virtual void AddResource(std::shared_ptr<Resource> res) override;
     virtual void ClearResources() override;
     virtual std::pair<FilterIterator, FilterIterator> Resources() override;
-
+    virtual void DeleteResource(FilterIterator &it) override;
+    virtual void Build() override;
+    virtual std::list<std::shared_ptr<Connection>> GetNodeConnections(unsigned long nodeId) override;
+    virtual std::string GetNodeEntryLabel(unsigned long nodeId) override;
 
     void SaveParams();
     void LoadParams();
 
     void DrawMainMenuBar();
-    void ShowOptionsWindow();
     bool ShowQuitConfirm();
 
     void NewProjectPopup();
@@ -147,6 +138,11 @@ private:
     void CloseProject();
     void OpenProjectDialog();
     void DrawStatusBar();
+
+    bool CompileToAssembler();
+    void ConvertResources();
+    void GenerateBinary();
+    void UpdateVmView();
 };
 
 #endif // MAINWINDOW_H
diff --git a/story-editor/src/media_node.cpp b/story-editor/src/media_node.cpp
index c590683..48db78c 100644
--- a/story-editor/src/media_node.cpp
+++ b/story-editor/src/media_node.cpp
@@ -2,7 +2,7 @@
 
 namespace ed = ax::NodeEditor;
 #include "IconsMaterialDesignIcons.h"
-
+#include "story_project.h"
 
 MediaNode::MediaNode(const std::string &title, IStoryProject &proj)
     : BaseNode(title, proj)
@@ -128,6 +128,11 @@ void MediaNode::DrawProperties()
         ImGui::OpenPopup("popup_button");
         isImage = true;
     }
+    ImGui::SameLine();
+    if (ImGui::Button(ICON_MDI_CLOSE_BOX_OUTLINE "##delimage")) {
+        SetImage("");
+    }
+
 
     ImGui::AlignTextToFramePadding();
     ImGui::Text("Sound");
@@ -149,6 +154,11 @@ void MediaNode::DrawProperties()
         isImage = false;
     }
 
+    ImGui::SameLine();
+    if (ImGui::Button(ICON_MDI_CLOSE_BOX_OUTLINE "##delsound")) {
+        SetSound("");
+    }
+
     // This is the actual popup Gui drawing section.
     if (ImGui::BeginPopup("popup_button")) {
         ImGui::SeparatorText(isImage ? "Images" : "Sounds");
@@ -189,38 +199,36 @@ void MediaNode::SetSound(const std::string &f)
 
 
 
-/*
-std::string NodeEditorWindow::ChoiceLabel() const
+
+std::string MediaNode::ChoiceLabel() const
 {
     std::stringstream ss;
     ss << "mediaChoice" << std::setw(4) << std::setfill('0') << GetId();
     return ss.str();
 }
 
-std::string NodeEditorWindow::EntryLabel() const
+std::string MediaNode::GetEntryLabel()
 {
     std::stringstream ss;
-    ss << ".mediaEntry" << std::setw(4) << std::setfill('0') << getNodeId();
+    ss << ".mediaEntry" << std::setw(4) << std::setfill('0') << GetId();
     return ss.str();
 }
 
 
-std::string NodeEditorWindow::GenerateConstants()
+std::string MediaNode::GenerateConstants()
 {
     std::string s;
 
-    std::string image = m_mediaData["image"].get<std::string>();
-    std::string sound = m_mediaData["sound"].get<std::string>();
-    if (image.size() > 0)
+    if (m_image.name.size() > 0)
     {
-        s = StoryProject::FileToConstant(image, ".qoi");  // FIXME: Generate the extension setup in user option of output format
+        s = StoryProject::FileToConstant(m_image.name, ".qoi");  // FIXME: Generate the extension setup in user option of output format
     }
-    if (sound.size() > 0)
+    if (m_soundName.size() > 0)
     {
-        s += StoryProject::FileToConstant(sound, ".wav");  // FIXME: Generate the extension setup in user option of output format
+        s += StoryProject::FileToConstant(m_soundName, ".wav");  // FIXME: Generate the extension setup in user option of output format
     }
 
-    int nb_out_conns = ComputeOutputConnections();
+    int nb_out_conns = Outputs();
     if (nb_out_conns > 1)
     {
         // Generate choice table if needed (out ports > 1)
@@ -230,14 +238,14 @@ std::string NodeEditorWindow::GenerateConstants()
            << " DC32, "
            << nb_out_conns << ", ";
 
-        std::unordered_set<ConnectionId> conns = m_model.allConnectionIds(getNodeId());
+        std::list<std::shared_ptr<Connection>> conns = m_project.GetNodeConnections(GetId());
         int i = 0;
         for (auto & c : conns)
         {
             std::stringstream ssChoice;
 
             // On va chercher le label d'entrée du noeud connecté à l'autre bout
-            ss << m_model.GetNodeEntryLabel(c.inNodeId);
+            ss << m_project.GetNodeEntryLabel(c->inNodeId);
             if (i < (nb_out_conns - 1))
             {
                 ss << ", ";
@@ -255,22 +263,22 @@ std::string NodeEditorWindow::GenerateConstants()
     return s;
 }
 
-std::string NodeEditorWindow::Build()
+std::string MediaNode::Build()
 {
     std::stringstream ss;
-    int nb_out_conns = ComputeOutputConnections();
+    int nb_out_conns = Outputs();
 
     ss << R"(; ---------------------------- )"
-       << GetNodeTitle()
+       << GetTitle()
        << " Type: "
        << (nb_out_conns == 0 ? "End" : nb_out_conns == 1 ? "Transition" : "Choice")
        << "\n";
-    std::string image = StoryProject::RemoveFileExtension(m_mediaData["image"].get<std::string>());
-    std::string sound = StoryProject::RemoveFileExtension(m_mediaData["sound"].get<std::string>());
+    std::string image = StoryProject::RemoveFileExtension(m_image.name);
+    std::string sound = StoryProject::RemoveFileExtension(m_soundName);
 
     // Le label de ce noeud est généré de la façon suivante :
     // "media" + Node ID + id du noeud parent. Si pas de noeud parent, alors rien
-    ss << EntryLabel() << ":\n";
+    ss << GetEntryLabel() << ":\n";
 
     if (image.size() > 0)
     {
@@ -301,18 +309,18 @@ std::string NodeEditorWindow::Build()
     {
         ss << "halt\n";
     }
-    else if (nb_out_conns == 1) // Transition node
+    else if (nb_out_conns == 1) // it is a transition node
     {
-        std::unordered_set<ConnectionId> conns = m_model.allConnectionIds(getNodeId());
+        std::list<std::shared_ptr<Connection>> conns = m_project.GetNodeConnections(GetId());
 
 
         for (auto c : conns)
         {
-            if (c.outNodeId == getNodeId())
+            if (c->outNodeId == GetId())
             {
                 // On place dans R0 le prochain noeud à exécuter en cas de OK
                 ss << "lcons r0, "
-                   << m_model.GetNodeEntryLabel(c.inNodeId) << "\n"
+                   << m_project.GetNodeEntryLabel(c->inNodeId) << "\n"
                    << "ret\n";
             }
         }
@@ -325,4 +333,4 @@ std::string NodeEditorWindow::Build()
     }
     return ss.str();
 }
-*/
+
diff --git a/story-editor/src/media_node.h b/story-editor/src/media_node.h
index 6dea129..5198512 100644
--- a/story-editor/src/media_node.h
+++ b/story-editor/src/media_node.h
@@ -20,9 +20,10 @@ public:
 
     virtual void FromJson(const nlohmann::json &j) override;
     virtual void ToJson(nlohmann::json &j) override;
-
     virtual void DrawProperties() override;
-
+    virtual std::string Build() override;
+    virtual std::string GetEntryLabel() override;
+    virtual std::string GenerateConstants() override;
 private:
     IStoryProject &m_project;
     Gui::Image  m_image;
@@ -34,4 +35,5 @@ private:
     std::string m_buttonUniqueName;
     void SetImage(const std::string &f);
     void SetSound(const std::string &f);
+    std::string ChoiceLabel() const;
 };
diff --git a/story-editor/src/node_editor_window.cpp b/story-editor/src/node_editor_window.cpp
index b49e95d..e6cb600 100644
--- a/story-editor/src/node_editor_window.cpp
+++ b/story-editor/src/node_editor_window.cpp
@@ -57,7 +57,7 @@ void NodeEditorWindow::LoadNode(const nlohmann::json &nodeJson)
             n->SetPosition(posJson["x"].get<float>(), posJson["y"].get<float>());
             n->FromJson(internalDataJson);
 
-            m_nodes[n->GetInternalId()] = n;
+            m_nodes.push_back(n);
         }
         else
         {
@@ -78,9 +78,9 @@ ed::PinId NodeEditorWindow::GetInputPin(unsigned long modelNodeId, int pinIndex)
 
     for (auto & n : m_nodes)
     {
-        if (n.second->GetId() == modelNodeId)
+        if (n->GetId() == modelNodeId)
         {
-            id = n.second->GetInputPinAt(pinIndex);
+            id = n->GetInputPinAt(pinIndex);
         }
     }
 
@@ -98,9 +98,9 @@ ed::PinId NodeEditorWindow::GetOutputPin(unsigned long modelNodeId, int pinIndex
 
     for (auto & n : m_nodes)
     {
-        if (n.second->GetId() == modelNodeId)
+        if (n->GetId() == modelNodeId)
         {
-            id = n.second->GetOutputPinAt(pinIndex);
+            id = n->GetOutputPinAt(pinIndex);
         }
     }
 
@@ -133,13 +133,13 @@ void NodeEditorWindow::Load(const nlohmann::json &model)
         auto conn = std::make_shared<LinkInfo>();
 
         // our model
-        conn->model = connection.get<Connection>();
+        *conn->model = connection.get<Connection>();
 
 
         // ImGui stuff for links
-        conn->Id = BaseNode::GetNextId();
-        conn->InputId = GetInputPin(conn->model.inNodeId, conn->model.inPortIndex);
-        conn->OutputId = GetOutputPin(conn->model.outNodeId, conn->model.outPortIndex);
+        conn->ed_link->Id = BaseNode::GetNextId();
+        conn->ed_link->InputId = GetInputPin(conn->model->inNodeId, conn->model->inPortIndex);
+        conn->ed_link->OutputId = GetOutputPin(conn->model->outNodeId, conn->model->outPortIndex);
 
         // Since we accepted new link, lets add one to our list of links.
         m_links.push_back(conn);
@@ -155,18 +155,18 @@ void NodeEditorWindow::Save(nlohmann::json &model)
     for (const auto & n : m_nodes)
     {
         nlohmann::json node;
-        node["id"] = n.second->GetId();
-        node["type"] = n.second->GetType();
-        node["outPortCount"] = n.second->Outputs();
-        node["inPortCount"] = n.second->Inputs();
+        node["id"] = n->GetId();
+        node["type"] = n->GetType();
+        node["outPortCount"] = n->Outputs();
+        node["inPortCount"] = n->Inputs();
 
         nlohmann::json position;
-        position["x"] = n.second->GetX();
-        position["y"] = n.second->GetY();
+        position["x"] = n->GetX();
+        position["y"] = n->GetY();
 
         nlohmann::json internalData;
 
-        n.second->ToJson(internalData);
+        n->ToJson(internalData);
 
         node["position"] = position;
         node["internal-data"] = internalData;
@@ -185,27 +185,116 @@ void NodeEditorWindow::Save(nlohmann::json &model)
         int index;
         for (const auto & n : m_nodes)
         {
-            if (n.second->HasOnputPinId(linkInfo->OutputId, index))
+            if (n->HasOnputPinId(linkInfo->ed_link->OutputId, index))
             {
-                c["outNodeId"] = n.second->GetId();
+                c["outNodeId"] = n->GetId();
                 c["outPortIndex"] = index;
             }
 
-            if (n.second->HasInputPinId(linkInfo->InputId, index))
+            if (n->HasInputPinId(linkInfo->ed_link->InputId, index))
             {
-                c["inNodeId"] = n.second->GetId();
+                c["inNodeId"] = n->GetId();
                 c["inPortIndex"] = index;
             }
         }
 
         connections.push_back(c);
-        ed::Link(linkInfo->Id, linkInfo->OutputId, linkInfo->InputId);
     }
 
     model["connections"] = connections;
     ed::SetCurrentEditor(nullptr);
 }
 
+uint32_t NodeEditorWindow::FindFirstNode() const
+{
+    uint32_t id = 0;
+
+    // First node is the one without connection on its input port
+
+    for (const auto & n : m_nodes)
+    {
+        bool foundConnection = false;
+        for (const auto& l : m_links)
+        {
+            if (l->model->inNodeId == n->GetId())
+            {
+                foundConnection = true;
+            }
+        }
+
+        if (!foundConnection)
+        {
+            id = n->GetId();
+            m_project.Log("First node is: " + std::to_string(id));
+            break;
+        }
+    }
+
+    return id;
+}
+
+std::string NodeEditorWindow::Build()
+{
+    std::stringstream code;
+    ed::SetCurrentEditor(m_context);
+
+
+    std::stringstream chip32;
+
+    uint32_t firstNode = FindFirstNode();
+
+    code << "\tjump    " << GetNodeEntryLabel(firstNode) << "\r\n";
+
+    // First generate all constants
+    for (const auto & n : m_nodes)
+    {
+        code << n->GenerateConstants() << "\n";
+    }
+
+    for (const auto & n : m_nodes)
+    {
+        code << n->Build() << "\n";
+    }
+
+    ed::SetCurrentEditor(nullptr);
+    return code.str();
+}
+
+std::list<std::shared_ptr<Connection>> NodeEditorWindow::GetNodeConnections(unsigned long nodeId)
+{
+    std::list<std::shared_ptr<Connection>> c;
+    ed::SetCurrentEditor(m_context);
+
+    for (const auto & l : m_links)
+    {
+        if (l->model->outNodeId == nodeId)
+        {
+            c.push_back(l->model);
+        }
+    }
+
+    ed::SetCurrentEditor(nullptr);
+    return c;
+}
+
+std::string NodeEditorWindow::GetNodeEntryLabel(unsigned long nodeId)
+{
+    std::string label;
+    ed::SetCurrentEditor(m_context);
+
+    for (const auto & n : m_nodes)
+    {
+        if (n->GetId() == nodeId)
+        {
+            label = n->GetEntryLabel();
+            break;
+        }
+    }
+
+    ed::SetCurrentEditor(nullptr);
+    return label;
+}
+
 
 std::shared_ptr<BaseNode> NodeEditorWindow::GetSelectedNode()
 {
@@ -219,9 +308,12 @@ std::shared_ptr<BaseNode> NodeEditorWindow::GetSelectedNode()
 
         if (nodeCount > 0)
         {
-            if (m_nodes.contains(nId.Get()))
+            for (auto & n : m_nodes)
             {
-                selected = m_nodes[nId.Get()];
+                if (n->GetInternalId() == nId.Get())
+                {
+                    selected = n;
+                }
             }
         }
     }
@@ -242,14 +334,14 @@ void NodeEditorWindow::Draw()
 
         for (const auto & n : m_nodes)
         {
-            ImGui::PushID(n.first);
-            n.second->Draw();
+            ImGui::PushID(n->GetInternalId());
+            n->Draw();
             ImGui::PopID();
         }
 
         for (const auto& linkInfo : m_links)
         {
-            ed::Link(linkInfo->Id, linkInfo->OutputId, linkInfo->InputId);
+            ed::Link(linkInfo->ed_link->Id, linkInfo->ed_link->OutputId, linkInfo->ed_link->InputId);
         }
 
         // Handle creation action, returns true if editor want to create new object (node or link)
@@ -304,7 +396,10 @@ void NodeEditorWindow::Draw()
 
                    m_links.erase(std::remove_if(m_links.begin(),
                                   m_links.end(),
-                                                [deletedLinkId](std::shared_ptr<LinkInfo> inf) { return inf->Id == deletedLinkId; }));
+                                [deletedLinkId](std::shared_ptr<LinkInfo> inf)
+                                {
+                                    return inf->ed_link->Id == deletedLinkId;
+                                }));
                }
 
                // You may reject link deletion by calling:
diff --git a/story-editor/src/node_editor_window.h b/story-editor/src/node_editor_window.h
index 7a3a5c1..60788b3 100644
--- a/story-editor/src/node_editor_window.h
+++ b/story-editor/src/node_editor_window.h
@@ -28,15 +28,24 @@ namespace ed = ax::NodeEditor;
 class NodeEditorWindow  : public WindowBase
 {
 public:
-    struct LinkInfo
-    {
-        // Stuff from ImGuiNodeEditor
+    struct EditorLink {
         ed::LinkId Id;
         ed::PinId  InputId;
         ed::PinId  OutputId;
+    };
 
-        // Stuff from the project.json file, our model
-        Connection model;
+    // Stuff from ImGuiNodeEditor, each element has a unique ID within one editor
+    struct LinkInfo
+    {
+
+        LinkInfo()
+        {
+            ed_link = std::make_shared<EditorLink>();
+            model = std::make_shared<Connection>();
+        }
+
+        std::shared_ptr<EditorLink> ed_link;
+        std::shared_ptr<Connection> model;
     };
 
     NodeEditorWindow(IStoryProject &proj);
@@ -47,17 +56,20 @@ public:
     void Clear();
     void Load(const nlohmann::json &model);
     void Save(nlohmann::json &model);
+    std::string Build();
+    std::list<std::shared_ptr<Connection> > GetNodeConnections(unsigned long nodeId);
+    std::string GetNodeEntryLabel(unsigned long nodeId);
 
     std::shared_ptr<BaseNode> GetSelectedNode();
-    std::string GenerateConstants();
+
 private:
     IStoryProject &m_project;
 
     ed::EditorContext* m_context = nullptr;
 
     // key: Id
-    std::map<unsigned long, std::shared_ptr<BaseNode>>    m_nodes;
-    std::vector<std::shared_ptr<LinkInfo>>   m_links;                // List of live links. It is dynamic unless you want to create read-only view over nodes.
+    std::list<std::shared_ptr<BaseNode>>   m_nodes;
+    std::list<std::shared_ptr<LinkInfo>>   m_links;                // List of live links. It is dynamic unless you want to create read-only view over nodes.
     void ToolbarUI();
 
 
@@ -104,7 +116,6 @@ private:
     void LoadNode(const nlohmann::json &nodeJson);
     ed::PinId GetInputPin(unsigned long modelNodeId, int pinIndex);
     ed::PinId GetOutputPin(unsigned long modelNodeId, int pinIndex);
-    std::string ChoiceLabel() const;
-    std::string EntryLabel() const;
+    uint32_t FindFirstNode() const;
 };
 
diff --git a/story-editor/src/node_properties_window.cpp b/story-editor/src/node_properties_window.cpp
deleted file mode 100644
index 42ca70a..0000000
--- a/story-editor/src/node_properties_window.cpp
+++ /dev/null
@@ -1,42 +0,0 @@
-#include "node_properties_window.h"
-#include "gui.h"
-
-NodePropertiesWindow::NodePropertiesWindow()
-    : WindowBase("Properties")
-{
-
-}
-
-void NodePropertiesWindow::Initialize() {
-
-    int my_image_width = 0;
-    int my_image_height = 0;
-
-}
-
-void NodePropertiesWindow::Draw()
-{
-//    if (!IsVisible())
-//    {
-//        return;
-//    }
-
-
-    WindowBase::BeginDraw();
-    ImGui::SetWindowSize(ImVec2(626, 744), ImGuiCond_FirstUseEver);
-
-
-    static char buf1[32] = ""; ImGui::InputText("Title",     buf1, 32);
-
-    if (m_selectedNode)
-    {
-        m_selectedNode->DrawProperties();
-    }
-
-    WindowBase::EndDraw();
-}
-
-void NodePropertiesWindow::SetSelectedNode(std::shared_ptr<BaseNode> node)
-{
-    m_selectedNode = node;
-}
diff --git a/story-editor/src/properties_window.cpp b/story-editor/src/properties_window.cpp
new file mode 100644
index 0000000..99a4f8c
--- /dev/null
+++ b/story-editor/src/properties_window.cpp
@@ -0,0 +1,47 @@
+#include "properties_window.h"
+#include "gui.h"
+
+PropertiesWindow::PropertiesWindow()
+    : WindowBase("Properties")
+{
+
+}
+
+void PropertiesWindow::Initialize() {
+
+    int my_image_width = 0;
+    int my_image_height = 0;
+
+}
+
+void PropertiesWindow::Draw()
+{
+//    if (!IsVisible())
+//    {
+//        return;
+//    }
+
+
+    WindowBase::BeginDraw();
+    ImGui::SetWindowSize(ImVec2(626, 744), ImGuiCond_FirstUseEver);
+
+
+    ImGui::SeparatorText("Project");
+
+    ImGui::SeparatorText("Selected node");
+
+
+    if (m_selectedNode)
+    {
+        static char buf1[32] = ""; ImGui::InputText("Title",     buf1, 32);
+        ImGui::Text("Node ID: %lu", m_selectedNode->GetId());
+        m_selectedNode->DrawProperties();
+    }
+
+    WindowBase::EndDraw();
+}
+
+void PropertiesWindow::SetSelectedNode(std::shared_ptr<BaseNode> node)
+{
+    m_selectedNode = node;
+}
diff --git a/story-editor/src/node_properties_window.h b/story-editor/src/properties_window.h
similarity index 78%
rename from story-editor/src/node_properties_window.h
rename to story-editor/src/properties_window.h
index 5c4fb04..09d0ee3 100644
--- a/story-editor/src/node_properties_window.h
+++ b/story-editor/src/properties_window.h
@@ -5,10 +5,10 @@
 
 #include "base_node.h"
 
-class NodePropertiesWindow : public WindowBase
+class PropertiesWindow : public WindowBase
 {
 public:
-    NodePropertiesWindow();
+    PropertiesWindow();
 
     void Initialize();
     virtual void Draw() override;
diff --git a/story-editor/src/resource.h b/story-editor/src/resource.h
index 65f495b..f4ff26a 100644
--- a/story-editor/src/resource.h
+++ b/story-editor/src/resource.h
@@ -5,6 +5,7 @@
 #include <string>
 #include <vector>
 #include <iostream>
+#include <list>
 
 struct Resource
 {
@@ -20,11 +21,8 @@ struct Resource
 
 // Itérateur pour parcourir les éléments filtrés
 class FilterIterator {
-private:
-    using Iterator = std::vector<std::shared_ptr<Resource>>::const_iterator;
-    Iterator current;
-    Iterator end;
-    std::string filterType;
+public:
+    using Iterator = std::list<std::shared_ptr<Resource>>::const_iterator;
 
 public:
     FilterIterator(Iterator start, Iterator end, const std::string &type)
@@ -37,6 +35,10 @@ public:
         return *current;
     }
 
+    const Iterator Current() const {
+        return current;
+    }
+
     // Surcharge de l'opérateur d'incrémentation
     FilterIterator& operator++() {
         ++current;
@@ -55,6 +57,10 @@ public:
     }
 
 private:
+    Iterator current;
+    Iterator end;
+    std::string filterType;
+
     // Fonction pour trouver le prochain élément qui correspond au filtre
     void searchNext() {
 
diff --git a/story-editor/src/resource_manager.h b/story-editor/src/resource_manager.h
index fa1621d..0836381 100644
--- a/story-editor/src/resource_manager.h
+++ b/story-editor/src/resource_manager.h
@@ -30,6 +30,11 @@ public:
         UpdateIterators();
     }
 
+    void Delete(FilterIterator &it)
+    {
+        m_items.erase(it.Current());
+    }
+
     void Clear()
     {
         m_items.clear();
@@ -61,7 +66,7 @@ public:
 
 
 private:
-    std::vector<std::shared_ptr<Resource>> m_items;
+    std::list<std::shared_ptr<Resource>> m_items;
     std::pair<FilterIterator, FilterIterator> m_images;
     std::pair<FilterIterator, FilterIterator> m_sounds;
 
diff --git a/story-editor/src/resources_window.cpp b/story-editor/src/resources_window.cpp
index e5b3b71..20ff73e 100644
--- a/story-editor/src/resources_window.cpp
+++ b/story-editor/src/resources_window.cpp
@@ -109,6 +109,7 @@ void ResourcesWindow::Draw()
         int id = 1000;
         for (auto it = b; it != e; ++it)
         {
+            bool quitLoop = false;
             ImGui::PushID(id);
             ImGui::TableNextColumn();
             ImGui::Text("%s", (*it)->file.c_str());
@@ -132,7 +133,6 @@ void ResourcesWindow::Draw()
                     strncpy(description, (*it)->description.c_str(), sizeof(description));
                     init = false;
                 }
-//                ImGui::PushID(id);
                 ImGui::InputText("Description", description, sizeof(description));
                 if (ImGui::Button("Close"))
                 {
@@ -140,7 +140,6 @@ void ResourcesWindow::Draw()
                     ImGui::CloseCurrentPopup();
                 }
                 ImGui::EndPopup();
-//                ImGui::PopID();
             }
             ImGui::SameLine();
             ImGui::Text("%s", (*it)->description.c_str());
@@ -153,9 +152,16 @@ void ResourcesWindow::Draw()
             ImGui::TableNextColumn();
             if (ImGui::SmallButton("Delete"))
             {
+                m_project.DeleteResource(it);
+                quitLoop = true;
             }
             ImGui::PopID();
             id++;
+
+            if (quitLoop)
+            {
+                break;
+            }
         }
 
         ImGui::EndTable();
diff --git a/story-editor/src/story_project.cpp b/story-editor/src/story_project.cpp
index 2b38acd..eab9b18 100644
--- a/story-editor/src/story_project.cpp
+++ b/story-editor/src/story_project.cpp
@@ -422,18 +422,4 @@ std::string StoryProject::BuildFullAssetsPath(const std::string &fileName) const
 }
 
 
-void to_json(nlohmann::json &j, const Connection &p) {
-    j = nlohmann::json{
-        {"outNodeId", static_cast<int64_t>(p.outNodeId)},
-                       {"outPortIndex", static_cast<int64_t>(p.outPortIndex)},
-                       {"inNodeId", static_cast<int64_t>(p.inNodeId)},
-                       {"inPortIndex", static_cast<int64_t>(p.inPortIndex)},
-                       };
-}
 
-void from_json(const nlohmann::json &j, Connection &p) {
-    j.at("outNodeId").get_to(p.outNodeId);
-    j.at("outPortIndex").get_to(p.outPortIndex);
-    j.at("inNodeId").get_to(p.inNodeId);
-    j.at("inPortIndex").get_to(p.inPortIndex);
-}
diff --git a/story-editor/src/story_project.h b/story-editor/src/story_project.h
index fb0cb94..392b035 100644
--- a/story-editor/src/story_project.h
+++ b/story-editor/src/story_project.h
@@ -48,35 +48,6 @@ struct AudioCommand {
 };
 
 
-struct Connection
-{
-    int outNodeId;
-    int outPortIndex;
-    int inNodeId;
-    int inPortIndex;
-};
-
-inline bool operator==(Connection const &a, Connection const &b)
-{
-    return a.outNodeId == b.outNodeId && a.outPortIndex == b.outPortIndex
-           && a.inNodeId == b.inNodeId && a.inPortIndex == b.inPortIndex;
-}
-
-inline bool operator!=(Connection const &a, Connection const &b)
-{
-    return !(a == b);
-}
-
-inline void invertConnection(Connection &id)
-{
-    std::swap(id.outNodeId, id.inNodeId);
-    std::swap(id.outPortIndex, id.inPortIndex);
-}
-
-void to_json(nlohmann::json& j, const Connection& p);
-
-void from_json(const nlohmann::json& j, Connection& p);
-
 
 // FIXME : Structure très Lunii style, à utiliser pour la conversion peut-être ...
 struct StoryNode
diff --git a/story-editor/story-editor-logo.ico b/story-editor/story-editor-logo.ico
new file mode 100644
index 0000000..667cf60
Binary files /dev/null and b/story-editor/story-editor-logo.ico differ
diff --git a/story-editor/story-editor-logo.png b/story-editor/story-editor-logo.png
new file mode 100644
index 0000000..f50d31d
Binary files /dev/null and b/story-editor/story-editor-logo.png differ
diff --git a/story-editor/story-editor.desktop b/story-editor/story-editor.desktop
new file mode 100644
index 0000000..b31dc74
--- /dev/null
+++ b/story-editor/story-editor.desktop
@@ -0,0 +1,8 @@
+[Desktop Entry]
+Type=Application
+Name=StoryEditor
+Comment=A tool to create stories with graphical nodes (OpenStoryTeller project)
+Exec=story-editor
+Icon=story-editor-logo
+Categories=Graphics;2DGraphics;
+