add sprites list and tab bar to sprite editor

src/app/editor/sprite_editor.cc

@@ -20,15 +20,57 @@ absl::Status SpriteEditor::Update() {
     sheets_loaded_ = true;
   }
 
-  if (ImGui::BeginTable("##SpriteCanvasTable", 2, ImGuiTableFlags_Resizable,
+  if (ImGui::BeginTable("##SpriteCanvasTable", 3, ImGuiTableFlags_Resizable,
                         ImVec2(0, 0))) {
+    TableSetupColumn("Sprites List", ImGuiTableColumnFlags_WidthFixed, 256);
     TableSetupColumn("Canvas", ImGuiTableColumnFlags_WidthStretch,
                      ImGui::GetContentRegionAvail().x);
     TableSetupColumn("Tile Selector", ImGuiTableColumnFlags_WidthFixed, 256);
     TableHeadersRow();
     TableNextRow();
+
     TableNextColumn();
-    DrawSpriteCanvas();
+    DrawSpritesList();
+
+    TableNextColumn();
+    {
+      static int next_tab_id = 0;
+
+      if (ImGui::BeginTabBar("SpriteTabBar", kSpriteTabBarFlags)) {
+        if (ImGui::TabItemButton("+", kSpriteTabBarFlags)) {
+          if (std::find(active_sprites_.begin(), active_sprites_.end(),
+                        current_sprite_id_) != active_sprites_.end()) {
+            // Room is already open
+            next_tab_id++;
+          }
+          active_sprites_.push_back(next_tab_id++);  // Add new tab
+        }
+
+        // Submit our regular tabs
+        for (int n = 0; n < active_sprites_.Size;) {
+          bool open = true;
+
+          if (active_sprites_[n] > sizeof(core::kSpriteDefaultNames) / 4) {
+            active_sprites_.erase(active_sprites_.Data + n);
+            continue;
+          }
+
+          if (ImGui::BeginTabItem(
+                  core::kSpriteDefaultNames[active_sprites_[n]].data(), &open,
+                  ImGuiTabItemFlags_None)) {
+            DrawSpriteCanvas();
+            ImGui::EndTabItem();
+          }
+
+          if (!open)
+            active_sprites_.erase(active_sprites_.Data + n);
+          else
+            n++;
+        }
+
+        ImGui::EndTabBar();
+      }
+    }
 
     TableNextColumn();
     if (sheets_loaded_) {
@@ -41,14 +83,16 @@ absl::Status SpriteEditor::Update() {
 }
 
 void SpriteEditor::DrawSpriteCanvas() {
+  static bool flip_x = false;
+  static bool flip_y = false;
   if (ImGui::BeginChild(gui::GetID("##SpriteCanvas"),
                         ImGui::GetContentRegionAvail(), true,
                         ImGuiWindowFlags_AlwaysVerticalScrollbar |
                             ImGuiWindowFlags_AlwaysHorizontalScrollbar)) {
-    sprite_canvas_.DrawBackground(ImVec2(0x200, 0x200));
+    sprite_canvas_.DrawBackground();
     sprite_canvas_.DrawContextMenu();
     // sprite_canvas_.DrawBitmap(oam_bitmap_, 2, 2);
-    sprite_canvas_.DrawGrid(8.0f);
+    sprite_canvas_.DrawGrid();
     sprite_canvas_.DrawOverlay();
 
     // Draw a table with OAM configuration
@@ -81,10 +125,14 @@ void SpriteEditor::DrawSpriteCanvas() {
       gui::InputHexByte("", &oam_config_.priority);
 
       TableNextColumn();
-      ImGui::Checkbox("", &oam_config_.flip_x);
+      if (ImGui::Checkbox("##XFlip", &flip_x)) {
+        oam_config_.flip_x = flip_x;
+      }
 
       TableNextColumn();
-      ImGui::Checkbox("", &oam_config_.flip_y);
+      if (ImGui::Checkbox("##YFlip", &flip_y)) {
+        oam_config_.flip_y = flip_y;
+      }
 
       ImGui::EndTable();
     }
@@ -94,24 +142,46 @@ void SpriteEditor::DrawSpriteCanvas() {
 }
 
 void SpriteEditor::DrawCurrentSheets() {
-  for (int i = 0; i < 8; i++) {
-    // ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
-    // ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
-    // std::string sheet_label = absl::StrFormat("Sheet %d", i);
-    // gui::InputHexByte(sheet_label.c_str(), &current_sheets_[i]);
-    if (ImGui::BeginChild(gui::GetID("sheet_label"),
-                          ImVec2(ImGui::GetContentRegionAvail().x, 0), true,
-                          ImGuiWindowFlags_NoDecoration)) {
-      static gui::Canvas graphics_sheet_canvas;
-      graphics_sheet_canvas.DrawBackground(ImVec2(0x80 * 2, 0x20 * 2));
-      // ImGui::PopStyleVar(2);
-      graphics_sheet_canvas.DrawContextMenu();
-      graphics_sheet_canvas.DrawBitmap(
-          *rom()->bitmap_manager()[current_sheets_[i]], 2, 2, 2);
-      graphics_sheet_canvas.DrawGrid(64.0f);
-      graphics_sheet_canvas.DrawOverlay();
-      ImGui::EndChild();
+  if (ImGui::BeginChild(gui::GetID("sheet_label"),
+                        ImVec2(ImGui::GetContentRegionAvail().x, 0), true,
+                        ImGuiWindowFlags_NoDecoration)) {
+    for (int i = 0; i < 8; i++) {
+      std::string sheet_label = absl::StrFormat("Sheet %d", i);
+      gui::InputHexByte(sheet_label.c_str(), &current_sheets_[i]);
+      if (i % 2 == 0) ImGui::SameLine();
     }
+
+    graphics_sheet_canvas_.DrawBackground();
+    graphics_sheet_canvas_.DrawContextMenu();
+    graphics_sheet_canvas_.DrawTileSelector(32);
+    for (int i = 0; i < 8; i++) {
+      graphics_sheet_canvas_.DrawBitmap(
+          *rom()->bitmap_manager()[current_sheets_[i]], 1, (i * 0x40) + 1, 2);
+    }
+    graphics_sheet_canvas_.DrawGrid();
+    graphics_sheet_canvas_.DrawOverlay();
+    ImGui::EndChild();
+  }
+}
+
+void SpriteEditor::DrawSpritesList() {
+  if (ImGui::BeginChild(gui::GetID("##SpritesList"),
+                        ImVec2(ImGui::GetContentRegionAvail().x, 0), true,
+                        ImGuiWindowFlags_NoDecoration)) {
+    int i = 0;
+    for (const auto each_sprite_name : core::kSpriteDefaultNames) {
+      rom()->resource_label()->SelectableLabelWithNameEdit(
+          current_sprite_id_ == i, "Sprite Names", core::UppercaseHexByte(i),
+          core::kSpriteDefaultNames[i].data());
+      if (ImGui::IsItemClicked()) {
+        current_sprite_id_ = i;
+        if (!active_sprites_.contains(i)) {
+          active_sprites_.push_back(i);
+        }
+      }
+      i++;
+    }
+    ImGui::EndChild();
   }
 }