Add Object selector to DungeonEditor

Loads current room gfx from ROM gfx buffer

src/app/editor/dungeon_editor.cc

@@ -8,6 +8,24 @@ namespace editor {
 
 void DungeonEditor::Update() {
   DrawToolset();
+
+  ImGui::Separator();
+  if (ImGui::BeginTable("#DungeonEditTable", 2, toolset_table_flags_,
+                        ImVec2(0, 0))) {
+    ImGui::TableSetupColumn("Canvas", ImGuiTableColumnFlags_WidthStretch,
+                            ImGui::GetContentRegionAvail().x);
+    ImGui::TableSetupColumn("Object Selector");
+    ImGui::TableHeadersRow();
+    ImGui::TableNextRow();
+    ImGui::TableNextColumn();
+    DrawDungeonCanvas();
+    ImGui::TableNextColumn();
+    DrawTileSelector();
+    ImGui::EndTable();
+  }
+}
+
+void DungeonEditor::DrawDungeonCanvas() {
   canvas_.DrawBackground();
   canvas_.DrawContextMenu();
   canvas_.DrawGrid();
@@ -56,6 +74,30 @@ void DungeonEditor::DrawToolset() {
   }
 }
 
+void DungeonEditor::DrawRoomGraphics() {
+  room_gfx_canvas_.DrawBackground(ImVec2(256 + 1, 0x10 * 0x40 + 1));
+  room_gfx_canvas_.DrawContextMenu();
+  room_gfx_canvas_.DrawTileSelector(32);
+  room_gfx_canvas_.DrawBitmap(room_gfx_bmp_, 2, is_loaded_);
+  room_gfx_canvas_.DrawGrid(32.0f);
+  room_gfx_canvas_.DrawOverlay();
+}
+
+void DungeonEditor::DrawTileSelector() {
+  if (ImGui::BeginTabBar("##TabBar", ImGuiTabBarFlags_FittingPolicyScroll)) {
+    if (ImGui::BeginTabItem("Room Graphics")) {
+      if (ImGuiID child_id = ImGui::GetID((void *)(intptr_t)3);
+          ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
+                            ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
+        DrawRoomGraphics();
+      }
+      ImGui::EndChild();
+      ImGui::EndTabItem();
+    }
+    ImGui::EndTabBar();
+  }
+}
+
 }  // namespace editor
 }  // namespace app
 }  // namespace yaze

src/app/editor/dungeon_editor.h

@@ -5,6 +5,8 @@
 
 #include "gui/canvas.h"
 #include "gui/icons.h"
+#include "rom.h"
+#include "zelda3/dungeon/room.h"
 
 namespace yaze {
 namespace app {
@@ -16,7 +18,18 @@ class DungeonEditor {
  private:
   void DrawToolset();
 
+  void DrawDungeonCanvas();
+  void DrawRoomGraphics();
+  void DrawTileSelector();
+
+  bool is_loaded_ = false;
+
+  gfx::Bitmap room_gfx_bmp_;
+
+  std::vector<zelda3::dungeon::Room> rooms_;
+
   gui::Canvas canvas_;
+  gui::Canvas room_gfx_canvas_;
   ImGuiTableFlags toolset_table_flags_ = ImGuiTableFlags_SizingFixedFit;
 };
 }  // namespace editor