add constant manager

src/app/editor/editor_manager.h

@@ -19,6 +19,7 @@
 #include "app/editor/music/music_editor.h"
 #include "app/editor/overworld/overworld_editor.h"
 #include "app/editor/sprite/sprite_editor.h"
+#include "app/editor/system/constant_manager.h"
 #include "app/editor/system/extension_manager.h"
 #include "app/editor/system/settings_editor.h"
 #include "app/editor/utils/gfx_context.h"
@@ -109,6 +110,7 @@ class EditorManager : public SharedRom, public core::ExperimentFlags {
   emu::Emulator emulator_;
 
   Project current_project_;
+  ConstantManager constant_manager_;
   ExtensionManager extension_manager_;
   yaze_editor_context editor_context_;
 

src/app/editor/system/constant_manager.h

@@ -0,0 +1,89 @@
+#ifndef YAZE_APP_EDITOR_SYSTEM_CONSTANT_MANAGER_H
+#define YAZE_APP_EDITOR_SYSTEM_CONSTANT_MANAGER_H
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+#include <unordered_map>
+#include <vector>
+
+#include "absl/status/status.h"
+#include "app/editor/utils/gfx_context.h"
+#include "app/gfx/bitmap.h"
+#include "app/gfx/snes_palette.h"
+#include "app/gfx/snes_tile.h"
+#include "app/rom.h"
+#include "app/zelda3/common.h"
+#include "app/zelda3/overworld/overworld.h"
+#include "app/zelda3/overworld/overworld_map.h"
+#include "imgui/imgui.h"
+
+namespace yaze {
+namespace app {
+namespace editor {
+
+class ConstantManager {
+ public:
+  void ShowConstantManager() {
+    ImGui::Begin("Constant Manager");
+
+    // Tab bar for the different types of constants
+    // Overworld, dungeon, graphics, expanded
+    ImGui::TextWrapped(
+        "This is the constant manager. It allows you to view and edit "
+        "constants in the ROM. You should only edit these if you know what "
+        "you're doing.");
+
+    if (ImGui::BeginTabBar("Constant Manager Tabs")) {
+      if (ImGui::BeginTabItem("Overworld")) {
+        ImGui::Text("Overworld constants");
+        ImGui::Separator();
+        ImGui::Text("OverworldCustomASMHasBeenApplied: %d",
+                    zelda3::overworld::OverworldCustomASMHasBeenApplied);
+        ImGui::Text("OverworldCustomAreaSpecificBGPalette: %d",
+                    zelda3::overworld::OverworldCustomAreaSpecificBGPalette);
+        ImGui::Text("OverworldCustomAreaSpecificBGEnabled: %d",
+                    zelda3::overworld::OverworldCustomAreaSpecificBGEnabled);
+        ImGui::Text("OverworldCustomMainPaletteArray: %d",
+                    zelda3::overworld::OverworldCustomMainPaletteArray);
+        ImGui::Text("OverworldCustomMainPaletteEnabled: %d",
+                    zelda3::overworld::OverworldCustomMainPaletteEnabled);
+        ImGui::Text("OverworldCustomMosaicArray: %d",
+                    zelda3::overworld::OverworldCustomMosaicArray);
+        ImGui::Text("OverworldCustomMosaicEnabled: %d",
+                    zelda3::overworld::OverworldCustomMosaicEnabled);
+        ImGui::Text("OverworldCustomAnimatedGFXArray: %d",
+                    zelda3::overworld::OverworldCustomAnimatedGFXArray);
+        ImGui::Text("OverworldCustomAnimatedGFXEnabled: %d",
+                    zelda3::overworld::OverworldCustomAnimatedGFXEnabled);
+
+        ImGui::EndTabItem();
+      }
+
+      if (ImGui::BeginTabItem("Dungeon")) {
+        ImGui::Text("Dungeon constants");
+        ImGui::EndTabItem();
+      }
+
+      if (ImGui::BeginTabItem("Graphics")) {
+        ImGui::Text("Graphics constants");
+        ImGui::EndTabItem();
+      }
+
+      if (ImGui::BeginTabItem("Expanded")) {
+        ImGui::Text("Expanded constants");
+        ImGui::EndTabItem();
+      }
+
+      ImGui::EndTabBar();
+    }
+
+    ImGui::End();
+  }
+};
+
+}  // namespace editor
+}  // namespace app
+}  // namespace yaze
+
+#endif  // YAZE_APP_EDITOR_SYSTEM_CONSTANT_MANAGER_H