latest code update

- app icon
- starting with map view
- code cleanup

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

.gitignore

@@ -111,3 +111,5 @@ CMakeUserPresets.json
 # End of https://www.toptal.com/developers/gitignore/api/cmake,clion+all
 
 cartridges/
+assets/icon.iconset/
+*.lua

CMakeLists.txt

@@ -27,21 +27,25 @@ FetchContent_MakeAvailable(wxWidgets)
 message(STATUS "Configure project....")
 
 set(SRCS
-        main/src/main.cpp
         main/src/app.cpp
-        main/src/ui/start_screen.cpp
+        main/src/main.cpp
         main/src/ui/game_screen.cpp
+        main/src/ui/map_sim_frame.cpp
+        main/src/ui/start_screen.cpp
         main/src/ui/wherigo_dialog.cpp
-        main/src/lua/wherigo.cpp
-        main/src/lua/zobject.cpp
-        main/src/lua/ztimer.cpp
         main/src/lua/game_engine.cpp
         main/src/lua/media_manager.cpp
         main/src/lua/persistence.cpp
+        main/src/lua/wherigo.cpp
         main/src/lua/wherigo_completion.cpp
+        main/src/lua/zobject.cpp
+        main/src/lua/ztimer.cpp
 )
 
 if (APPLE)
+    configure_file(${CMAKE_SOURCE_DIR}/assets/Info.plist.in
+                   ${CMAKE_BINARY_DIR}/Info.plist @ONLY)
+    set(MACOSX_BUNDLE_ICON_FILE icon.icns)
     add_executable(${PROJECT_NAME} MACOSX_BUNDLE ${SRCS})
     set_target_properties(${PROJECT_NAME} PROPERTIES
             BUNDLE True
@@ -49,7 +53,8 @@ if (APPLE)
             MACOSX_BUNDLE_BUNDLE_NAME ${PROJECT_NAME}
             MACOSX_BUNDLE_BUNDLE_VERSION "0.1"
             MACOSX_BUNDLE_SHORT_VERSION_STRING "0.1"
-            #MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/cmake/customtemplate.plist.in
+            MACOSX_BUNDLE_ICON_FILE icon.icns
+            MACOSX_BUNDLE_INFO_PLIST ${CMAKE_BINARY_DIR}/Info.plist
             INSTALL_RPATH "@executable_path"
     )
 else ()
@@ -61,14 +66,14 @@ include_directories(main/include)
 
 target_link_libraries(${PROJECT_NAME}
         PRIVATE
-        wxcore
+        wx::net
-        wxnet
+        wx::html
-        wxbase
+        wx::webview
-        wxhtml
         lua
         cartridge
         storage
 )
+target_include_directories(${PROJECT_NAME} PRIVATE ${wxWidgets_INCLUDE_DIRS})
 
 # Kopiere die .dylib-Dateien ins Bundle
 if (APPLE)
@@ -78,5 +83,11 @@ if (APPLE)
             $<TARGET_FILE:cartridge>
             $<TARGET_FILE:storage>
             "$<TARGET_BUNDLE_DIR:${PROJECT_NAME}>/Contents/MacOS/"
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            ${CMAKE_SOURCE_DIR}/assets/icon.icns
+            "$<TARGET_BUNDLE_DIR:${PROJECT_NAME}>/Contents/Resources/icon.icns"
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            ${CMAKE_BINARY_DIR}/Info.plist
+            "$<TARGET_BUNDLE_DIR:${PROJECT_NAME}>/Contents/Info.plist"
     )
 endif ()

assets/Info.plist.in

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleIconFile</key>
+  <string>icon.icns</string>
+  <key>CFBundleName</key>
+  <string>@CMAKE_PROJECT_NAME@</string>
+  <key>CFBundleIdentifier</key>
+  <string>dev.mars3142.@CMAKE_PROJECT_NAME@</string>
+  <key>CFBundleVersion</key>
+  <string>@PROJECT_VERSION@</string>
+  <key>CFBundleShortVersionString</key>
+  <string>@PROJECT_VERSION@</string>
+  <key>CFBundlePackageType</key>
+  <string>APPL</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>LSMinimumSystemVersion</key>
+  <string>10.13</string>
+</dict>
+</plist>

assets/make_icns.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+ICONSET="icon.iconset"
+PNG="$1"
+
+if [ -z "$PNG" ]; then
+  echo "Usage: $0 icon.png"
+  exit 1
+fi
+
+mkdir -p $ICONSET
+
+# Erzeuge alle Größen
+sips -z 16 16     "$PNG" --out $ICONSET/icon_16x16.png
+sips -z 32 32     "$PNG" --out $ICONSET/icon_16x16@2x.png
+sips -z 32 32     "$PNG" --out $ICONSET/icon_32x32.png
+sips -z 64 64     "$PNG" --out $ICONSET/icon_32x32@2x.png
+sips -z 128 128   "$PNG" --out $ICONSET/icon_128x128.png
+sips -z 256 256   "$PNG" --out $ICONSET/icon_128x128@2x.png
+sips -z 256 256   "$PNG" --out $ICONSET/icon_256x256.png
+sips -z 512 512   "$PNG" --out $ICONSET/icon_256x256@2x.png
+sips -z 512 512   "$PNG" --out $ICONSET/icon_512x512.png
+sips -z 1024 1024 "$PNG" --out $ICONSET/icon_512x512@2x.png
+
+iconutil -c icns icon.iconset

components/cartridge/include/cartridge/parser.h

@@ -23,6 +23,4 @@ std::unique_ptr<Cartridge> parseData(const std::vector<uint8_t>& bytes);
 
 std::unique_ptr<Cartridge> parseFile(const std::string& filePath);
 
-std::unique_ptr<Cartridge> parseCartridge();
-
 }  // namespace cartridge

components/cartridge/src/parser.cpp

@@ -57,45 +57,4 @@ std::unique_ptr<Cartridge> parseFile(const std::string &filePath) {
   return parseData(*result);
 }
 
-std::unique_ptr<Cartridge> parseCartridge() {
-  auto cartridge = parseFile("/Volumes/Coding/git.mars3142.dev/mars3142/"
-                             "wx_wherigo/cartridges/the_ombos_idol_-_c.gwc");
-  if (!cartridge) {
-    std::println(std::cerr, "Cartridge konnte nicht geladen werden.");
-    return nullptr;
-  }
-
-  const int count = cartridge->mediaCount();
-  const std::filesystem::path outDir =
-      "/Volumes/Coding/git.mars3142.dev/mars3142/wx_wherigo/cartridges";
-  storage::Storage storage;
-
-  for (const int i : std::views::iota(0, count)) {
-    auto media = cartridge->getMedia(i);
-    if (!media) {
-      std::println(std::cerr, "Media-Objekt an Index {} ist nullptr.", i);
-      continue;
-    }
-
-    const auto &data = media->getData();
-    if (data.empty()) {
-      std::println(std::cerr, "Media-Daten an Index {} sind leer.", i);
-      continue;
-    }
-
-    std::string ext = media->getObjectType();
-    if (ext.empty()) {
-      std::println(std::cerr, "Media-Extension an Index {} ist leer.", i);
-      ext = "bin";
-    }
-
-    const std::filesystem::path outFile = outDir / std::format("file{}.{}", i, ext);
-
-    if (auto writeResult = storage.writeFile(outFile.string(), data); !writeResult) {
-      std::println(std::cerr, "Fehler beim Schreiben der Datei: {}", outFile.string());
-    }
-  }
-  return cartridge;
-}
-
 } // namespace cartridge

main/include/app.h

@@ -32,6 +32,7 @@ public:
   int getCartridgeRef() const { return m_cartridgeRef; }
   cartridge::Cartridge* getCartridge() const { return m_cartridge.get(); }
   bool isCartridgeLoaded() const { return m_cartridge != nullptr; }
+  std::string getCartridgePath() const { return m_cartridgePath; }
 
 private:
   bool initLuaState();

main/include/ui/game_screen.h

@@ -3,6 +3,7 @@
 #include <wx/wx.h>
 #include <wx/listbox.h>
 #include <wx/notebook.h>
+#include "ui/map_sim_frame.h"
 
 class cGameScreen : public wxFrame
 {
@@ -24,6 +25,7 @@ private:
   void OnInventorySelected(wxCommandEvent& event);
   void OnCharacterSelected(wxCommandEvent& event);
   void OnItemSelected(wxCommandEvent& event);
+  void OnMapSim(wxCommandEvent& event);
 
   void populateZones();
   void populateTasks();

main/include/ui/map_sim_frame.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <wx/frame.h>
+#include <wx/webview.h>
+#include <vector>
+#include <utility>
+
+struct SimPoint {
+    double lat;
+    double lon;
+};
+
+class MapSimFrame : public wxFrame {
+public:
+    MapSimFrame(wxWindow* parent, double centerLat = 53.3, double centerLon = 10.39, const std::vector<std::pair<double, double>>& zoneCoords = {});
+    void AddSimPoint(double lat, double lon);
+    void StartSimulation();
+private:
+    wxWebView* m_webView;
+    std::vector<SimPoint> m_route;
+    std::vector<std::pair<double, double>> m_zoneCoords;
+    void OnWebViewEvent(wxWebViewEvent& event);
+    void OnPlay(wxCommandEvent& event);
+    void SendPositionToEngine(double lat, double lon);
+    wxDECLARE_EVENT_TABLE();
+};

main/include/ui/start_screen.h

@@ -3,6 +3,7 @@
 #include <wx/wx.h>
 #include <wx/statbmp.h>
 #include <wx/html/htmlwin.h>
+#include "ui/map_sim_frame.h"
 
 class cGameScreen;
 

main/src/app.cpp

@@ -19,7 +19,6 @@ extern "C" {
 
 bool cApp::OnInit()
 {
-
   // Initialize image handlers for JPEG, PNG, GIF, etc.
   wxInitAllImageHandlers();
 

main/src/lua/persistence.cpp

@@ -9,6 +9,7 @@ extern "C" {
 #include <fstream>
 #include <sstream>
 #include <set>
+#include <cstdio>
 
 namespace wherigo {
 
@@ -82,10 +83,42 @@ void LuaPersistence::serializeValue(lua_State* L, int index, std::string& output
     case LUA_TSTRING: {
       const char* str = lua_tostring(L, index);
       output += "\"";
-      // Escape special characters
+      // Properly escape all special characters for Lua strings
       for (const char* p = str; *p; ++p) {
-        if (*p == '"' || *p == '\\') output += '\\';
+        unsigned char c = (unsigned char)*p;
-        output += *p;
+        switch (c) {
+          case '"':
+            output += "\\\"";
+            break;
+          case '\\':
+            output += "\\\\";
+            break;
+          case '\n':
+            output += "\\n";
+            break;
+          case '\r':
+            output += "\\r";
+            break;
+          case '\t':
+            output += "\\t";
+            break;
+          case '\b':
+            output += "\\b";
+            break;
+          case '\f':
+            output += "\\f";
+            break;
+          default:
+            // For control characters and high bytes, use decimal escape
+            if (c < 32 || c >= 127) {
+              char hex[6];
+              snprintf(hex, sizeof(hex), "\\%d", c);
+              output += hex;
+            } else {
+              output += c;
+            }
+            break;
+        }
       }
       output += "\"";
       break;
@@ -199,23 +232,120 @@ bool LuaPersistence::loadGlobals(lua_State* L, const std::string& filePath) {
     return false;
   }
 
-  // Restore globals
+  // Restore globals - but for tables (Wherigo objects), merge instead of replace
+  // Strategy: For each saved object, find the matching existing object and merge
   int count = 0;
   lua_pushnil(L);
   while (lua_next(L, -2) != 0) {
-    if (lua_isstring(L, -2)) {
+    if (lua_isstring(L, -2) && lua_istable(L, -1)) {
-      const char* key = lua_tostring(L, -2);
+      const char* savedKey = lua_tostring(L, -2);
+      wxLogDebug("Restoring global: %s", savedKey);
+      int stackBefore = lua_gettop(L);
 
-      // Set the global
+      // Get the Name field of the saved object (if it exists)
-      lua_pushvalue(L, -1); // duplicate value
+      lua_getfield(L, -1, "Name");
-      lua_setglobal(L, key);
+      std::string savedName;
+      if (lua_isstring(L, -1)) {
+        savedName = lua_tostring(L, -1);
+      }
+      lua_pop(L, 1);
+
+      // Try to find matching existing object
+      bool merged = false;
+
+      if (!savedName.empty()) {
+        // Search for existing object with same Name
+        lua_getglobal(L, "_G");
+        lua_pushnil(L);
+
+        while (lua_next(L, -2) != 0) {
+          if (lua_istable(L, -1)) {
+            lua_getfield(L, -1, "Name");
+            if (lua_isstring(L, -1)) {
+              if (savedName == lua_tostring(L, -1)) {
+                lua_pop(L, 1); // pop Name
+                // Found matching object! Merge data
+                lua_pushnil(L);
+                while (lua_next(L, -3) != 0) {
+                  if (lua_isstring(L, -2)) {
+                    const char* field = lua_tostring(L, -2);
+                    if (!lua_isfunction(L, -1)) {
+                      lua_pushvalue(L, -1);
+                      lua_setfield(L, -4, field);
+                    }
+                  }
+                  lua_pop(L, 1);
+                }
+                merged = true;
+                lua_pop(L, 2); // pop iterator and object
+                break;
+              }
+            }
+            lua_pop(L, 1);
+          }
+          lua_pop(L, 1);
+        }
+        lua_pop(L, 1); // pop _G
+      }
+
+      if (!merged) {
+        // No match found or no Name field - use key matching
+        lua_getglobal(L, savedKey);
+        if (lua_istable(L, -1)) {
+          // Object exists by key - merge it
+          lua_pushnil(L);
+          while (lua_next(L, -3) != 0) {
+            if (lua_isstring(L, -2)) {
+              const char* field = lua_tostring(L, -2);
+              if (!lua_isfunction(L, -1)) {
+                lua_getfield(L, -3, field); // get existing value
+                if (lua_istable(L, -1) && lua_istable(L, -2)) {
+                  // Both are tables: merge recursively
+                  lua_pushnil(L);
+                  while (lua_next(L, -3) != 0) {
+                    if (lua_isstring(L, -2)) {
+                      const char* subfield = lua_tostring(L, -2);
+                      if (!lua_isfunction(L, -1)) {
+                        lua_pushvalue(L, -1);
+                        lua_setfield(L, -5, subfield); // merge into existing table
+                      }
+                    }
+                    lua_pop(L, 1);
+                  }
+                  lua_pop(L, 1); // pop existing value
+                } else {
+                  lua_pop(L, 1); // pop existing value
+                  lua_pushvalue(L, -1);
+                  lua_setfield(L, -3, field);
+                }
+              }
+            }
+            lua_pop(L, 1);
+          }
+          lua_pop(L, 1); // pop existing object
+          merged = true;
+        } else {
+          lua_pop(L, 1); // pop nil
+        }
+      }
+      if (!merged) {
+        // No existing object found - create new global
+        lua_pushvalue(L, -1);
+        lua_setglobal(L, savedKey);
+      }
+      int stackAfter = lua_gettop(L);
+      if (stackBefore != stackAfter) {
+        wxLogError("Stack imbalance detected for global %s: before=%d after=%d", savedKey, stackBefore, stackAfter);
+      }
       count++;
     }
-    lua_pop(L, 1); // pop value
+    lua_pop(L, 1); // pop value from lua_next
   }
 
   lua_pop(L, 1); // pop table
 
+  lua_pop(L, 1); // pop table
+
   wxLogDebug("Restored %d globals from %s", count, filePath);
   return true;
 }

main/src/lua/wherigo.cpp

@@ -1,14 +1,19 @@
 #include "lua/wherigo.h"
+#include "app.h"
+#include "lua/game_engine.h"
 #include "lua/zobject.h"
 #include "lua/ztimer.h"
 #include "ui/wherigo_dialog.h"
 
 extern "C" {
-#include <lua.h>
 #include <lauxlib.h>
+#include <lua.h>
 }
 
+#include <wx/dir.h>
+#include <wx/filename.h>
 #include <wx/log.h>
+#include <wx/stdpaths.h>
 
 #include <algorithm>
 #include <cmath>
@@ -17,6 +22,63 @@ extern "C" {
 
 namespace wherigo {
 
+std::string getCompletionCode(lua_State *L) {
+  lua_getglobal(L, "Player");
+  if (!lua_istable(L, -1)) {
+    lua_pop(L, 1);
+    return "";
+  }
+
+  lua_getfield(L, -1, "CompletionCode");
+  std::string completionCode;
+  if (lua_isstring(L, -1)) {
+    completionCode = lua_tostring(L, -1);
+    if (completionCode.length() > 15) {
+      completionCode = completionCode.substr(0, 15);
+    }
+  }
+  lua_pop(L, 2);
+
+  return completionCode;
+}
+
+// Wherigo.RequestSync()
+static int wherigo_RequestSync(lua_State *L) {
+  // RequestSync shows the completion code from the cartridge in a MessageBox
+  wxLogDebug(
+      "Wherigo.RequestSync() called - showing completion code from cartridge");
+
+  auto completionCode = getCompletionCode(L);
+  if (completionCode.empty()) {
+    wxApp *app = wxTheApp;
+    if (!app) {
+      wxLogWarning("Cannot sync: no app instance");
+      return 0;
+    }
+
+    cApp *wherigApp = dynamic_cast<cApp *>(app);
+    if (!wherigApp || !wherigApp->isCartridgeLoaded()) {
+      wxLogWarning("Cannot sync: no cartridge loaded");
+      return 0;
+    }
+
+    auto cartridge = wherigApp->getCartridge();
+
+    completionCode = cartridge->completionCode().substr(0, 15);
+  }
+
+  wxString message =
+      wxString::Format("Completion Code:\n\n%s\n\nEnter this code on "
+                       "wherigo.com to verify your completion.",
+                       completionCode.c_str());
+
+  std::vector<wxString> buttons = {"OK"};
+  wherigo::WherigoMessageDialog dlg(nullptr, message, "Wherigo Completion",
+                                    buttons);
+  dlg.ShowModal();
+
+  return 0;
+}
 
 // Wherigo.ZonePoint(lat, lng, alt)
 static int wherigo_ZonePoint(lua_State *L) {
@@ -131,7 +193,6 @@ static int wherigo_ZTask(lua_State *L) {
   return 1;
 }
 
-
 // Wherigo.ZTimer(cartridge)
 static int wherigo_ZTimer(lua_State *L) {
   lua_newtable(L);
@@ -190,9 +251,7 @@ static int wherigo_ZMedia(lua_State *L) {
   return 1;
 }
 
-void resetMediaCounter() {
+void resetMediaCounter() { s_mediaCounter = 0; }
-  s_mediaCounter = 0;
-}
 
 // Wherigo.ZCartridge()
 static int wherigo_ZCartridge(lua_State *L) {
@@ -204,6 +263,9 @@ static int wherigo_ZCartridge(lua_State *L) {
   lua_newtable(L);
   lua_setfield(L, -2, "AllZObjects");
 
+  lua_pushcfunction(L, wherigo_RequestSync);
+  lua_setfield(L, -2, "RequestSync");
+
   return 1;
 }
 
@@ -238,7 +300,8 @@ static int wherigo_Player(lua_State *L) {
 
 // Wherigo.MessageBox(table)
 static int wherigo_MessageBox(lua_State *L) {
-  if (!lua_istable(L, 1)) return 0;
+  if (!lua_istable(L, 1))
+    return 0;
 
   // Get Text
   lua_getfield(L, 1, "Text");
@@ -273,7 +336,8 @@ static int wherigo_MessageBox(lua_State *L) {
   wxLogDebug("MessageBox: %s", text);
 
   // Show dialog
-  WherigoMessageDialog dlg(nullptr, wxString::FromUTF8(text), "Wherigo", buttons);
+  WherigoMessageDialog dlg(nullptr, wxString::FromUTF8(text), "Wherigo",
+                           buttons);
   dlg.ShowModal();
   int selected = dlg.getSelectedButton();
 
@@ -294,12 +358,17 @@ static int wherigo_MessageBox(lua_State *L) {
     luaL_unref(L, LUA_REGISTRYINDEX, callbackRef);
   }
 
+  // Notify game state change after MessageBox
+  // This ensures UI updates if state was modified during the MessageBox
+  GameEngine::getInstance().notifyStateChanged();
+
   return 0;
 }
 
 // Wherigo.Dialog(table)
 static int wherigo_Dialog(lua_State *L) {
-  if (!lua_istable(L, 1)) return 0;
+  if (!lua_istable(L, 1))
+    return 0;
 
   std::vector<DialogEntry> entries;
   int n = lua_objlen(L, 1);
@@ -378,6 +447,45 @@ static int wherigo_PlayAudio(lua_State *L) {
 static int wherigo_ShowScreen(lua_State *L) {
   int screen = luaL_optinteger(L, 1, 0);
   wxLogDebug("ShowScreen: %d", screen);
+
+  // Show details dialog for DETAILSCREEN
+  if (screen == 5 && lua_gettop(L) >= 2 && lua_istable(L, 2)) {
+    // Get Name
+    lua_getfield(L, 2, "Name");
+    std::string name = lua_isstring(L, -1) ? lua_tostring(L, -1) : "Details";
+    lua_pop(L, 1);
+    // Get Description
+    lua_getfield(L, 2, "Description");
+    std::string desc = lua_isstring(L, -1) ? lua_tostring(L, -1) : "";
+    lua_pop(L, 1);
+    // Get Media name (prefer Media, fallback to Icon)
+    std::string mediaName;
+    lua_getfield(L, 2, "Media");
+    if (lua_istable(L, -1)) {
+      lua_getfield(L, -1, "Name");
+      if (lua_isstring(L, -1)) {
+        mediaName = lua_tostring(L, -1);
+      }
+      lua_pop(L, 1);
+    }
+    lua_pop(L, 1);
+    if (mediaName.empty()) {
+      lua_getfield(L, 2, "Icon");
+      if (lua_istable(L, -1)) {
+        lua_getfield(L, -1, "Name");
+        if (lua_isstring(L, -1)) {
+          mediaName = lua_tostring(L, -1);
+        }
+        lua_pop(L, 1);
+      }
+      lua_pop(L, 1);
+    }
+    // Show dialog with media if available
+    std::vector<wxString> buttons = {"OK"};
+    wherigo::WherigoMessageDialog dlg(nullptr, wxString::FromUTF8(desc.c_str()), wxString::FromUTF8(name.c_str()), buttons, wxString::FromUTF8(mediaName.c_str()));
+    dlg.ShowModal();
+    return 0;
+  }
   return 0;
 }
 
@@ -465,8 +573,8 @@ static const luaL_Reg wherigo_funcs[] = {
     {"VectorToZone", wherigo_VectorToZone},
     {"VectorToPoint", wherigo_VectorToPoint},
     {"VectorToSegment", wherigo_VectorToSegment},
-  {nullptr, nullptr}
+    {"RequestSync", wherigo_RequestSync},
-};
+    {nullptr, nullptr}};
 
 int luaopen_Wherigo(lua_State *L) {
   luaL_register(L, "Wherigo", wherigo_funcs);
@@ -509,4 +617,3 @@ int luaopen_Wherigo(lua_State *L) {
 }
 
 } // namespace wherigo
-

main/src/lua/wherigo_completion.cpp

@@ -262,7 +262,6 @@ bool WherigoCompletion::writeGWLFile(const CompletionData& data, const std::stri
   file << "</WherigoGameLog>\n";
   file.close();
 
-  wxLogMessage("Completion log saved to: %s", filePath);
   return true;
 }
 

main/src/ui/game_screen.cpp

@@ -2,6 +2,7 @@
 #include "lua/game_engine.h"
 #include "ui/game_screen.h"
 #include "ui/wherigo_dialog.h"
+#include <cartridge/cartridge.h>
 
 extern "C" {
 #include <lua.h>
@@ -12,17 +13,20 @@ wxDECLARE_APP(cApp);
 enum {
   ID_SaveGame = 2000,
   ID_LoadGame = 2001,
-  ID_ExportCompletion = 2002
+  ID_ExportCompletion = 2002,
+  ID_MapView = 2003
 };
 
 cGameScreen::cGameScreen(wxWindow *parent)
-    : wxFrame(parent, wxID_ANY, "Wherigo Player", wxDefaultPosition, wxSize(800, 600)) {
+    : wxFrame(parent, wxID_ANY, "Wherigo Player", wxDefaultPosition, wxSize(800, 800)) {
 
   // Menu
   auto *menuFile = new wxMenu;
   menuFile->Append(ID_SaveGame, "Spielstand speichern\tCtrl+S");
   menuFile->Append(ID_LoadGame, "Spielstand laden\tCtrl+L");
   menuFile->AppendSeparator();
+  menuFile->Append(ID_MapView, "Karten-Simulation..."); // Menüpunkt für Simulation
+  menuFile->AppendSeparator();
   menuFile->Append(ID_ExportCompletion, "Completion Log exportieren\tCtrl+E");
   menuFile->AppendSeparator();
   menuFile->Append(wxID_EXIT, "Spiel beenden");
@@ -103,6 +107,7 @@ cGameScreen::cGameScreen(wxWindow *parent)
   Bind(wxEVT_MENU, &cGameScreen::OnSaveGame, this, ID_SaveGame);
   Bind(wxEVT_MENU, &cGameScreen::OnLoadGame, this, ID_LoadGame);
   Bind(wxEVT_MENU, &cGameScreen::OnExportCompletion, this, ID_ExportCompletion);
+  Bind(wxEVT_MENU, &cGameScreen::OnMapSim, this, ID_MapView);
 
   m_zoneList->Bind(wxEVT_LISTBOX_DCLICK, &cGameScreen::OnZoneSelected, this);
   m_taskList->Bind(wxEVT_LISTBOX_DCLICK, &cGameScreen::OnTaskSelected, this);
@@ -542,12 +547,11 @@ void cGameScreen::OnZoneSelected(wxCommandEvent& event) {
           if (currentName == zoneName) {
             found = true;
 
-            // Get zone description
+            // Zone Info mit Media anzeigen
             lua_getfield(L, -1, "Description");
             wxString description = lua_isstring(L, -1) ? wxString::FromUTF8(lua_tostring(L, -1)) : "";
             lua_pop(L, 1);
 
-            // Get media if exists
             wxString mediaName;
             lua_getfield(L, -1, "Media");
             if (lua_istable(L, -1)) {
@@ -559,7 +563,6 @@ void cGameScreen::OnZoneSelected(wxCommandEvent& event) {
             }
             lua_pop(L, 1);
 
-            // Show zone info with media
             if (!description.IsEmpty() || !mediaName.IsEmpty()) {
               std::vector<wxString> buttons = {"OK"};
               wherigo::WherigoMessageDialog dlg(this, description, zoneName, buttons, mediaName);
@@ -589,9 +592,9 @@ void cGameScreen::OnZoneSelected(wxCommandEvent& event) {
         lua_pop(L, 1);
       }
     }
-    lua_pop(L, 1); // pop value
+    lua_pop(L, 1);
   }
-  lua_pop(L, 1); // pop _G
+  lua_pop(L, 1);
 
   if (!found) {
     wxMessageBox(wxString::Format("Zone '%s' nicht gefunden", zoneName),
@@ -624,12 +627,11 @@ void cGameScreen::OnTaskSelected(wxCommandEvent& event) {
           lua_pop(L, 1);
 
           if (currentName == taskName) {
-            // Get task description
+            // Bestehende MessageBox mit Status und Beschreibung
             lua_getfield(L, -1, "Description");
             wxString description = lua_isstring(L, -1) ? wxString::FromUTF8(lua_tostring(L, -1)) : "Keine Beschreibung verfügbar";
             lua_pop(L, 1);
 
-            // Get task complete status
             lua_getfield(L, -1, "Complete");
             bool complete = lua_toboolean(L, -1);
             lua_pop(L, 1);
@@ -680,54 +682,6 @@ void cGameScreen::OnInventorySelected(wxCommandEvent& event) {
           lua_pop(L, 1);
 
           if (currentName == itemName) {
-            // Get item description
-            lua_getfield(L, -1, "Description");
-            wxString description = lua_isstring(L, -1) ? wxString::FromUTF8(lua_tostring(L, -1)) : ("Keine Beschreibung verfügbar");
-            lua_pop(L, 1);
-
-            // Get media if exists
-            wxString mediaName;
-            lua_getfield(L, -1, "Media");
-            if (lua_istable(L, -1)) {
-              lua_getfield(L, -1, "Name");
-              if (lua_isstring(L, -1)) {
-                mediaName = wxString::FromUTF8(lua_tostring(L, -1));
-              }
-              lua_pop(L, 1);
-            }
-            lua_pop(L, 1);
-
-            // Check for commands
-            lua_getfield(L, -1, "Commands");
-            wxArrayString commands;
-            if (lua_istable(L, -1)) {
-              int n = lua_objlen(L, -1);
-              for (int i = 1; i <= n; i++) {
-                lua_rawgeti(L, -1, i);
-                if (lua_istable(L, -1)) {
-                  lua_getfield(L, -1, "Text");
-                  if (lua_isstring(L, -1)) {
-                    commands.Add(wxString::FromUTF8(lua_tostring(L, -1)));
-                  }
-                  lua_pop(L, 1);
-                }
-                lua_pop(L, 1);
-              }
-            }
-            lua_pop(L, 1);
-
-            wxString message = description;
-            if (!commands.IsEmpty()) {
-              message += ("\n\nVerfügbare Aktionen:\n");
-              for (const auto& cmd : commands) {
-                message += "• " + cmd + "\n";
-              }
-            }
-
-            // Use WherigoMessageDialog to show with media support
-            std::vector<wxString> buttons = {"OK"};
-            wherigo::WherigoMessageDialog dlg(this, message, itemName, buttons, mediaName);
-            dlg.ShowModal();
 
             // Call OnClick if exists
             lua_getfield(L, -1, "OnClick");
@@ -937,3 +891,53 @@ void cGameScreen::OnItemSelected(wxCommandEvent& event) {
   }
   lua_pop(L, 1); // pop _G
 }
+
+void cGameScreen::OnMapSim(wxCommandEvent&) {
+    std::vector<std::pair<double, double>> zoneCoords;
+    double lat = 53.3, lon = 10.39;
+    lua_State *L = wxGetApp().getLuaState();
+    if (L) {
+        lua_getglobal(L, "_G");
+        lua_pushnil(L);
+        while (lua_next(L, -2) != 0) {
+            if (lua_istable(L, -1)) {
+                lua_getfield(L, -1, "ClassName");
+                if (lua_isstring(L, -1) && strcmp(lua_tostring(L, -1), "Zone") == 0) {
+                    lua_pop(L, 1);
+                    lua_getfield(L, -1, "Active");
+                    bool active = lua_toboolean(L, -1) || true;
+                    lua_pop(L, 1);
+                    lua_getfield(L, -1, "Visible");
+                    bool visible = lua_toboolean(L, -1) || true;
+                    lua_pop(L, 1);
+                    if (active && visible) {
+                        lua_getfield(L, -1, "OriginalPoint");
+                        if (lua_istable(L, -1)) {
+                            lua_getfield(L, -1, "latitude");
+                            lua_getfield(L, -2, "longitude");
+                            if (lua_isnumber(L, -2) && lua_isnumber(L, -1)) {
+                                double zlat = lua_tonumber(L, -2);
+                                double zlon = lua_tonumber(L, -1);
+                                zoneCoords.emplace_back(zlat, zlon);
+                            }
+                            lua_pop(L, 2);
+                        } else {
+                            lua_pop(L, 1);
+                        }
+                        lua_pop(L, 1); // pop OriginalPoint
+                    }
+                } else {
+                    lua_pop(L, 1);
+                }
+            }
+            lua_pop(L, 1);
+        }
+        lua_pop(L, 1);
+    }
+    if (!zoneCoords.empty()) {
+        lat = zoneCoords[0].first;
+        lon = zoneCoords[0].second;
+    }
+    auto *mapSim = new MapSimFrame(this, lat, lon, zoneCoords);
+    mapSim->Show();
+}

main/src/ui/map_sim_frame.cpp

@@ -0,0 +1,79 @@
+#include "ui/map_sim_frame.h"
+#include <wx/sizer.h>
+#include <wx/button.h>
+#include <wx/webview.h>
+#include <wx/msgdlg.h>
+#include <thread>
+#include <chrono>
+
+wxBEGIN_EVENT_TABLE(MapSimFrame, wxFrame)
+    EVT_WEBVIEW_NAVIGATED(wxID_ANY, MapSimFrame::OnWebViewEvent)
+    EVT_BUTTON(wxID_ANY, MapSimFrame::OnPlay)
+wxEND_EVENT_TABLE()
+
+MapSimFrame::MapSimFrame(wxWindow* parent, double centerLat, double centerLon, const std::vector<std::pair<double, double>>& zoneCoords)
+    : wxFrame(parent, wxID_ANY, "Karten-Simulation", wxDefaultPosition, wxSize(900, 700)), m_zoneCoords(zoneCoords) {
+    auto* sizer = new wxBoxSizer(wxVERTICAL);
+    m_webView = wxWebView::New(this, wxID_ANY);
+    sizer->Add(m_webView, 1, wxEXPAND);
+    auto* playBtn = new wxButton(this, wxID_ANY, "Simulation starten");
+    sizer->Add(playBtn, 0, wxALL | wxALIGN_CENTER, 8);
+    SetSizer(sizer);
+    // Leaflet-Karte laden (dynamisch zentriert und Marker)
+    wxString html;
+    html << "<!DOCTYPE html><html><head><meta charset='utf-8'><title>MapSim</title>"
+         "<link rel='stylesheet' href='https://unpkg.com/leaflet/dist/leaflet.css'/>"
+         "<script src='https://unpkg.com/leaflet/dist/leaflet.js'></script>"
+         "<style>html,body,#map{height:100%%;margin:0;padding:0;}#map{height:600px;}</style>"
+         "</head><body><div id='map'></div>"
+         "<script>"
+         "var map = L.map('map').setView([" << wxString::Format("%.8f, %.8f", centerLat, centerLon) << "], 16);"
+         "L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {maxZoom: 19}).addTo(map);"
+         "var markers = [];";
+    // Marker für alle Zonen
+    for (const auto& z : zoneCoords) {
+        html << wxString::Format("var m = L.marker([%.8f, %.8f]).addTo(map); markers.push(m);\n", z.first, z.second);
+    }
+    html <<
+         "map.on('click', function(e) {"
+         "  var marker = L.marker(e.latlng).addTo(map);"
+         "  markers.push(marker);"
+         "  window.wx.postMessage(JSON.stringify({lat: e.latlng.lat, lon: e.latlng.lng}));"
+         "});"
+         "</script></body></html>";
+    m_webView->SetPage(html, "");
+}
+
+void MapSimFrame::OnWebViewEvent(wxWebViewEvent& event) {
+    // Empfange Marker-Koordinaten von JS
+    wxString msg = event.GetString();
+    double lat = 0, lon = 0;
+    if (msg.ToDouble(&lat)) {
+        // Not used, see below
+    }
+    // In wxWidgets 3.1+ kann man wxWebView::RegisterHandler für JS->C++ nutzen
+    // Hier: Marker werden über postMessage als JSON gesendet
+    // TODO: JSON parsen und AddSimPoint aufrufen
+}
+
+void MapSimFrame::AddSimPoint(double lat, double lon) {
+    m_route.push_back({lat, lon});
+}
+
+void MapSimFrame::OnPlay(wxCommandEvent&) {
+    if (m_route.empty()) {
+        wxMessageBox("Bitte zuerst Marker setzen.", "Hinweis", wxOK | wxICON_INFORMATION);
+        return;
+    }
+    // Simuliere Bewegung entlang der Route
+    for (const auto& pt : m_route) {
+        SendPositionToEngine(pt.lat, pt.lon);
+        std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    }
+    wxMessageBox("Simulation beendet.", "Info", wxOK | wxICON_INFORMATION);
+}
+
+void MapSimFrame::SendPositionToEngine(double lat, double lon) {
+    // TODO: Engine-Integration: GPS-Position setzen
+    // Beispiel: wxGetApp().setSimulatedPosition(lat, lon);
+}

main/src/ui/start_screen.cpp

@@ -15,7 +15,7 @@ enum {
 };
 
 cStartScreen::cStartScreen()
-    : wxFrame(nullptr, wxID_ANY, "Wherigo Player", wxDefaultPosition, wxSize(800, 600)),
+    : wxFrame(nullptr, wxID_ANY, "Wherigo Player", wxDefaultPosition, wxSize(800, 800)),
       m_gameFrame(nullptr),
       m_cartridgeLoaded(false) {
 
@@ -107,6 +107,20 @@ void cStartScreen::OnOpenCartridge(wxCommandEvent& event) {
   wxString filePath = openFileDialog.GetPath();
   SetStatusText("Lade Cartridge: " + filePath);
 
+  // Vor dem Laden: Info-Panel zurücksetzen
+  if (m_infoPanel) {
+    if (m_cartridgeName) m_cartridgeName->SetLabel("");
+    if (m_cartridgeAuthor) m_cartridgeAuthor->SetLabel("");
+    if (m_cartridgeDesc) m_cartridgeDesc->SetPage("");
+    if (m_splashImage) m_splashImage->SetBitmap(wxNullBitmap);
+  }
+
+  // ggf. alten GameScreen schließen
+  if (m_gameFrame) {
+    m_gameFrame->Destroy();
+    m_gameFrame = nullptr;
+  }
+
   // Load the cartridge via cApp
   if (wxGetApp().loadCartridge(filePath.ToStdString())) {
     m_cartridgeLoaded = true;

main/src/ui/wherigo_dialog.cpp

@@ -9,6 +9,7 @@
 #include <wx/log.h>
 #include <wx/mstream.h>
 #include <wx/image.h>
+#include <wx/html/htmlwin.h>
 
 namespace wherigo {
 
@@ -68,37 +69,124 @@ WherigoMessageDialog::WherigoMessageDialog(wxWindow *parent, const wxString &tex
     }
   }
 
+  // Helper lambda to convert plain text to HTML
+  auto textToHtml = [](const wxString& plainText) -> wxString {
+    wxString result = plainText;
+    // Check if this looks like HTML (has tags)
+    if (plainText.Find("<") == wxNOT_FOUND) {
+      // Plain text - need to be careful with & to avoid breaking HTML entities
+      // Replace & but preserve HTML entities like &nbsp; &amp; etc.
+      wxString escaped;
+      for (size_t i = 0; i < plainText.length(); i++) {
+        if (plainText[i] == '&') {
+          // Look ahead to see if this is an HTML entity
+          size_t end = plainText.find(';', i);
+          if (end != wxString::npos && end - i < 12) {
+            // Likely an entity, copy as-is
+            escaped += plainText.substr(i, end - i + 1);
+            i = end;
+          } else {
+            // Not an entity, escape the &
+            escaped += "&amp;";
+          }
+        } else if (plainText[i] == '\n') {
+          escaped += "<br/>";
+        } else {
+          escaped += plainText[i];
+        }
+      }
+      result = escaped;
+    }
+    return result;
+  };
+
+  wxColour bgColor = GetBackgroundColour();
+  wxColour fgColor = GetForegroundColour();
+
+  // Helper lambda to create and configure HTML window with auto-sizing
+  auto createHtmlWindow = [this, &sizer, &textToHtml, bgColor, fgColor](const wxString& text) {
+    auto *htmlCtrl = new wxHtmlWindow(this, wxID_ANY);
+    htmlCtrl->SetBorders(0);
+
+    wxString htmlContent = wxString::Format(
+      "<html><body style=\"margin:0; padding:5px; background-color:#%02x%02x%02x; color:#%02x%02x%02x; font-family:sans-serif; font-size:11pt; line-height:1.5; user-select:none; -webkit-user-select:none; -moz-user-select:none;\">%s</body></html>",
+      bgColor.Red(), bgColor.Green(), bgColor.Blue(),
+      fgColor.Red(), fgColor.Green(), fgColor.Blue(),
+      textToHtml(text)
+    );
+
+    htmlCtrl->SetPage(htmlContent);
+    // htmlCtrl->SetBackgroundColour(bgColor); // Removed as it might not exist or be needed
+
+    // Set a reasonable fixed size - will expand based on content
+    // Width: fixed at 600px for consistent layout
+    // Height: let wxHtmlWindow calculate based on content, with limits
+    int contentWidth = 600;
+
+    // Calculate approximate height based on line count (rough estimate)
+    int lineCount = 1;
+    for (size_t i = 0; i < text.length(); i++) {
+      if (text[i] == '\n') lineCount++;
+    }
+
+    // Estimate: ~20px per line + 40px padding
+    int estimatedHeight = std::max(80, lineCount * 20 + 40);
+    estimatedHeight = std::clamp(estimatedHeight, 80, 400);
+
+    htmlCtrl->SetMinSize(wxSize(contentWidth, estimatedHeight));
+
+    sizer->Add(htmlCtrl, 1, wxALL | wxEXPAND, 10);
+  };
+
   // Text (only show if not just a placeholder like ".")
   if (!text.IsEmpty() && text != ".") {
-    auto *textCtrl = new wxStaticText(this, wxID_ANY, text);
+    createHtmlWindow(text);
-    textCtrl->Wrap(800);  // Also doubled wrap width
-    sizer->Add(textCtrl, 1, wxALL | wxEXPAND, 15);
   } else if (mediaName.IsEmpty()) {
     // No media and empty/placeholder text - show something
-    auto *textCtrl = new wxStaticText(this, wxID_ANY, text);
+    createHtmlWindow(text);
-    textCtrl->Wrap(800);  // Also doubled wrap width
-    sizer->Add(textCtrl, 1, wxALL | wxEXPAND, 15);
   }
 
   // Buttons
   auto *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+  wxButton *defaultButton = nullptr;
 
   if (buttons.empty()) {
     auto *okButton = new wxButton(this, wxID_OK, "OK");
     buttonSizer->Add(okButton, 0, wxALL, 5);
     okButton->Bind(wxEVT_BUTTON, &WherigoMessageDialog::onButton, this);
+    defaultButton = okButton;
   } else {
     for (size_t i = 0; i < buttons.size(); i++) {
       auto *btn = new wxButton(this, 1000 + i, buttons[i]);
       buttonSizer->Add(btn, 0, wxALL, 5);
       btn->Bind(wxEVT_BUTTON, &WherigoMessageDialog::onButton, this);
+
+      // Set first button as default
+      if (i == 0) {
+        defaultButton = btn;
       }
     }
+  }
+
+  // Set the default button (will be activated by Enter)
+  if (defaultButton) {
+    defaultButton->SetDefault();
+  }
 
   sizer->Add(buttonSizer, 0, wxALIGN_CENTER | wxBOTTOM, 10);
 
-  SetSizerAndFit(sizer);
+  SetSizer(sizer);
-  SetMinSize(wxSize(600, 300));  // Doubled from 300x150
+  sizer->Layout();
+
+  // Calculate dialog size based on content
+  wxSize minSize = sizer->GetMinSize();
+
+  // Set reasonable dialog size
+  int dialogWidth = std::clamp(minSize.GetWidth() + 40, 500, 800);
+  int dialogHeight = std::clamp(minSize.GetHeight() + 40, 300, 700);
+
+  SetSize(dialogWidth, dialogHeight);
+  SetMinSize(wxSize(400, 250));
   CenterOnParent();
 }
 
@@ -151,11 +239,11 @@ void WherigoDialogRunner::showDialog(const std::vector<DialogEntry> &entries,
     if (i == entries.size() - 1 && callback) {
       callback(dlg.getSelectedButton());
     }
-  }
 
-  // Notify game state change after dialog sequence completes
+    // Notify state change after each dialog to ensure UI updates
+    // This is important for goto events triggered during dialogs
     GameEngine::getInstance().notifyStateChanged();
   }
+}
 
 } // namespace wherigo
-