starting playing the wherigo

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

main/src/lua/media_manager.cpp

@@ -0,0 +1,97 @@
+#include "lua/media_manager.h"
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include <wx/log.h>
+
+namespace wherigo {
+
+MediaManager& MediaManager::getInstance() {
+  static MediaManager instance;
+  return instance;
+}
+
+void MediaManager::init(lua_State *L, cartridge::Cartridge *cartridge) {
+  m_luaState = L;
+  m_cartridge = cartridge;
+
+  buildMediaIndex(L);
+
+  wxLogDebug("MediaManager initialized with %zu media entries", m_nameToIndex.size());
+}
+
+void MediaManager::buildMediaIndex(lua_State *L) {
+  m_nameToIndex.clear();
+
+  if (!L || !m_cartridge) return;
+
+  // Iterate through all globals to find ZMedia objects
+  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), "ZMedia") == 0) {
+        lua_pop(L, 1); // pop ClassName
+
+        std::string name;
+        int mediaIndex = -1;
+
+        // Get the Name
+        lua_getfield(L, -1, "Name");
+        if (lua_isstring(L, -1)) {
+          name = lua_tostring(L, -1);
+        }
+        lua_pop(L, 1); // pop Name
+
+        // Get the MediaIndex (set by wherigo_ZMedia when the object was created)
+        lua_getfield(L, -1, "MediaIndex");
+        if (lua_isnumber(L, -1)) {
+          mediaIndex = lua_tointeger(L, -1);
+        }
+        lua_pop(L, 1); // pop MediaIndex
+
+        if (!name.empty() && mediaIndex > 0) {
+          m_nameToIndex[name] = mediaIndex;
+          wxLogDebug("Media '%s' -> index %d", name.c_str(), mediaIndex);
+        }
+      } else {
+        lua_pop(L, 1); // pop ClassName
+      }
+    }
+    lua_pop(L, 1); // pop value
+  }
+  lua_pop(L, 1); // pop _G
+}
+
+std::vector<uint8_t> MediaManager::getMediaByName(const std::string &name) {
+  auto it = m_nameToIndex.find(name);
+  if (it == m_nameToIndex.end()) {
+    wxLogWarning("Media not found: %s", name.c_str());
+    return {};
+  }
+
+  return getMediaByIndex(it->second);
+}
+
+std::vector<uint8_t> MediaManager::getMediaByIndex(int index) {
+  if (!m_cartridge) {
+    wxLogError("MediaManager: No cartridge set");
+    return {};
+  }
+
+  auto media = m_cartridge->getMedia(index);
+  if (!media) {
+    wxLogWarning("Media index %d not found in cartridge", index);
+    return {};
+  }
+
+  return media->getData();
+}
+
+} // namespace wherigo
+