yaze/src/app/editor/graphics_editor.cc

#include "app/editor/graphics_editor.h"

#include <ImGuiFileDialog/ImGuiFileDialog.h>
#include <imgui/imgui.h>
#include <imgui/misc/cpp/imgui_stdlib.h>
#include <imgui_memory_editor.h>

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "app/core/platform/clipboard.h"
#include "app/editor/modules/palette_editor.h"
#include "app/gfx/bitmap.h"
#include "app/gfx/compression.h"
#include "app/gfx/scad_format.h"
#include "app/gfx/snes_palette.h"
#include "app/gfx/snes_tile.h"
#include "app/gui/canvas.h"
#include "app/gui/input.h"
#include "app/gui/pipeline.h"
#include "app/gui/style.h"
#include "app/rom.h"

namespace yaze {
namespace app {
namespace editor {

using ImGui::Button;
using ImGui::InputInt;
using ImGui::InputText;
using ImGui::SameLine;
using ImGui::TableNextColumn;

constexpr ImGuiTableFlags kGfxEditTableFlags =
    ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable |
    ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable |
    ImGuiTableFlags_SizingFixedFit;

constexpr ImGuiTabBarFlags kGfxEditTabBarFlags =
    ImGuiTabBarFlags_AutoSelectNewTabs | ImGuiTabBarFlags_Reorderable |
    ImGuiTabBarFlags_FittingPolicyResizeDown |
    ImGuiTabBarFlags_TabListPopupButton;

absl::Status GraphicsEditor::Update() {
  TAB_BAR("##TabBar")
  status_ = UpdateGfxEdit();
  status_ = UpdateScadView();
  status_ = UpdateLinkGfxView();
  END_TAB_BAR()
  CLEAR_AND_RETURN_STATUS(status_)
  return absl::OkStatus();
}

absl::Status GraphicsEditor::UpdateGfxEdit() {
  TAB_ITEM("Graphics Editor")

  if (ImGui::BeginTable("##GfxEditTable", 3, kGfxEditTableFlags,
                        ImVec2(0, 0))) {
    for (const auto& name : kGfxEditColumnNames)
      ImGui::TableSetupColumn(name.data());

    ImGui::TableHeadersRow();

    NEXT_COLUMN();
    status_ = UpdateGfxSheetList();

    NEXT_COLUMN();
    if (rom()->is_loaded()) {
      DrawGfxEditToolset();
      status_ = UpdateGfxTabView();
    }

    NEXT_COLUMN();
    if (rom()->is_loaded()) {
      status_ = UpdatePaletteColumn();
    }
  }
  ImGui::EndTable();

  END_TAB_ITEM()
  return absl::OkStatus();
}

void GraphicsEditor::DrawGfxEditToolset() {
  if (ImGui::BeginTable("##GfxEditToolset", 9, ImGuiTableFlags_SizingFixedFit,
                        ImVec2(0, 0))) {
    for (const auto& name :
         {"Select", "Pencil", "Fill", "Copy Sheet", "Paste Sheet", "Zoom Out",
          "Zoom In", "Current Color", "Tile Size"})
      ImGui::TableSetupColumn(name);

    TableNextColumn();
    if (Button(ICON_MD_SELECT_ALL)) {
      gfx_edit_mode_ = GfxEditMode::kSelect;
    }

    TableNextColumn();
    if (Button(ICON_MD_DRAW)) {
      gfx_edit_mode_ = GfxEditMode::kPencil;
    }
    HOVER_HINT("Draw with current color");

    TableNextColumn();
    if (Button(ICON_MD_FORMAT_COLOR_FILL)) {
      gfx_edit_mode_ = GfxEditMode::kFill;
    }
    HOVER_HINT("Fill with current color");

    TableNextColumn();
    if (Button(ICON_MD_CONTENT_COPY)) {
      std::vector<uint8_t> png_data =
          rom()->bitmap_manager().shared_bitmap(current_sheet_)->GetPngData();
      CopyImageToClipboard(png_data);
    }
    HOVER_HINT("Copy to Clipboard");

    TableNextColumn();
    if (Button(ICON_MD_CONTENT_PASTE)) {
      std::vector<uint8_t> png_data;
      int width, height;
      GetImageFromClipboard(png_data, width, height);
      if (png_data.size() > 0) {
        rom()
            ->mutable_bitmap_manager()
            ->mutable_bitmap(current_sheet_)
            ->Create(width, height, 8, png_data);
        rom()->UpdateBitmap(rom()
                                ->mutable_bitmap_manager()
                                ->mutable_bitmap(current_sheet_)
                                .get());
      }
    }
    HOVER_HINT("Paste from Clipboard");

    TableNextColumn();
    if (Button(ICON_MD_ZOOM_OUT)) {
      if (current_scale_ >= 0.0f) {
        current_scale_ -= 1.0f;
      }
    }

    TableNextColumn();
    if (Button(ICON_MD_ZOOM_IN)) {
      if (current_scale_ <= 16.0f) {
        current_scale_ += 1.0f;
      }
    }

    TableNextColumn();
    auto bitmap = rom()->bitmap_manager()[current_sheet_];
    auto palette = bitmap->palette();
    for (int i = 0; i < 8; i++) {
      ImGui::SameLine();
      auto color =
          ImVec4(palette[i].GetRGB().x / 255.0f, palette[i].GetRGB().y / 255.0f,
                 palette[i].GetRGB().z / 255.0f, 255.0f);
      if (ImGui::ColorButton(absl::StrFormat("Palette Color %d", i).c_str(),
                             color)) {
        current_color_ = color;
      }
    }

    TableNextColumn();
    gui::InputHexByte("Tile Size", &tile_size_, 0x01);

    ImGui::EndTable();
  }
}

absl::Status GraphicsEditor::UpdateGfxSheetList() {
  ImGui::BeginChild(
      "##GfxEditChild", ImVec2(0, 0), true,
      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysVerticalScrollbar);
  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
  for (auto& [key, value] : rom()->bitmap_manager()) {
    ImGui::BeginChild(absl::StrFormat("##GfxSheet%02X", key).c_str(),
                      ImVec2(0x100 + 1, 0x40 + 1), true,
                      ImGuiWindowFlags_NoDecoration);
    ImGui::PopStyleVar();
    gui::Canvas graphics_bin_canvas_;
    auto select_tile_event = [&]() {
      if (value.get()->is_active()) {
        auto texture = value.get()->texture();
        graphics_bin_canvas_.draw_list()->AddImage(
            (void*)texture,
            ImVec2(graphics_bin_canvas_.zero_point().x + 2,
                   graphics_bin_canvas_.zero_point().y + 2),
            ImVec2(graphics_bin_canvas_.zero_point().x +
                       value.get()->width() * sheet_scale_,
                   graphics_bin_canvas_.zero_point().y +
                       value.get()->height() * sheet_scale_));

        if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
          current_sheet_ = key;
          open_sheets_.insert(key);
        }

        // Add a slightly transparent rectangle behind the text
        ImVec2 text_pos(graphics_bin_canvas_.zero_point().x + 2,
                        graphics_bin_canvas_.zero_point().y + 2);
        ImVec2 text_size =
            ImGui::CalcTextSize(absl::StrFormat("%02X", key).c_str());
        ImVec2 rent_min(text_pos.x, text_pos.y);
        ImVec2 rent_max(text_pos.x + text_size.x, text_pos.y + text_size.y);

        graphics_bin_canvas_.draw_list()->AddRectFilled(
            rent_min, rent_max, IM_COL32(0, 125, 0, 128));

        graphics_bin_canvas_.draw_list()->AddText(
            text_pos, IM_COL32(125, 255, 125, 255),
            absl::StrFormat("%02X", key).c_str());
      }
    };

    graphics_bin_canvas_.UpdateEvent(
        select_tile_event, ImVec2(0x100 + 1, 0x40 + 1), 0x20, sheet_scale_,
        /*grid_size=*/16.0f);
    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
    ImGui::EndChild();
  }
  ImGui::PopStyleVar();
  ImGui::EndChild();
  return absl::OkStatus();
}

absl::Status GraphicsEditor::UpdateGfxTabView() {
  static int next_tab_id = 0;

  if (ImGui::BeginTabBar("##GfxEditTabBar", kGfxEditTabBarFlags)) {
    if (ImGui::TabItemButton(
            "+", ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_NoTooltip)) {
      open_sheets_.insert(next_tab_id++);
    }

    for (auto& sheet_id : open_sheets_) {
      bool open = true;
      if (ImGui::BeginTabItem(absl::StrFormat("%d", sheet_id).c_str(), &open,
                              ImGuiTabItemFlags_None)) {
        current_sheet_ = sheet_id;
        if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
          release_queue_.push(sheet_id);
        }
        if (ImGui::IsItemHovered()) {
          if (ImGui::IsMouseDragging(ImGuiMouseButton_Left)) {
            release_queue_.push(sheet_id);
            child_window_sheets_.insert(sheet_id);
          }
        }

        const auto child_id =
            absl::StrFormat("##GfxEditPaletteChildWindow%d", sheet_id);
        ImGui::BeginChild(child_id.c_str(), ImVec2(0, 0), true,
                          ImGuiWindowFlags_NoDecoration |
                              ImGuiWindowFlags_AlwaysVerticalScrollbar |
                              ImGuiWindowFlags_AlwaysHorizontalScrollbar);

        auto draw_tile_event = [&]() {
          gfx::Bitmap& current_bitmap =
              *rom()->mutable_bitmap_manager()->mutable_bitmap(sheet_id);
          current_sheet_canvas_.DrawTileOnBitmap(tile_size_, current_bitmap,
                                                 current_color_);
          rom()->UpdateBitmap(&current_bitmap);
        };

        current_sheet_canvas_.UpdateColorPainter(
            *rom()->bitmap_manager()[sheet_id], current_color_, draw_tile_event,
            tile_size_, current_scale_);
        ImGui::EndChild();
        ImGui::EndTabItem();
      }

      if (!open) release_queue_.push(sheet_id);
    }

    ImGui::EndTabBar();
  }

  // Release any tabs that were closed
  while (!release_queue_.empty()) {
    auto sheet_id = release_queue_.top();
    open_sheets_.erase(sheet_id);
    release_queue_.pop();
  }

  // Draw any child windows that were created
  if (!child_window_sheets_.empty()) {
    int id_to_release = -1;
    for (const auto& id : child_window_sheets_) {
      bool active = true;
      ImGui::SetNextWindowPos(ImGui::GetIO().MousePos, ImGuiCond_Once);
      ImGui::SetNextWindowSize(ImVec2(0x100 + 1 * 16, 0x40 + 1 * 16),
                               ImGuiCond_Once);
      ImGui::Begin(absl::StrFormat("##GfxEditPaletteChildWindow%d", id).c_str(),
                   &active, ImGuiWindowFlags_AlwaysUseWindowPadding);
      current_sheet_ = id;
      //  ImVec2(0x100, 0x40),
      current_sheet_canvas_.UpdateColorPainter(
          *rom()->bitmap_manager()[id], current_color_,
          [&]() {

          },
          tile_size_, current_scale_);
      ImGui::End();

      if (active == false) {
        id_to_release = id;
      }
    }
    if (id_to_release != -1) {
      child_window_sheets_.erase(id_to_release);
    }
  }

  return absl::OkStatus();
}

absl::Status GraphicsEditor::UpdatePaletteColumn() {
  auto palette_group = rom()->palette_group(
      kPaletteGroupAddressesKeys[edit_palette_group_name_index_]);

  auto palette = palette_group[edit_palette_index_];

  if (rom()->is_loaded()) {
    gui::TextWithSeparators("ROM Palette");
    ImGui::SetNextItemWidth(100.f);
    ImGui::Combo("Palette Group", (int*)&edit_palette_group_name_index_,
                 kPaletteGroupAddressesKeys,
                 IM_ARRAYSIZE(kPaletteGroupAddressesKeys));
    ImGui::SetNextItemWidth(100.f);
    gui::InputHex("Palette Group Index", &edit_palette_index_);
  }

  gui::SelectablePalettePipeline(edit_palette_sub_index_, refresh_graphics_,
                                 palette);

  if (refresh_graphics_) {
    rom()->bitmap_manager()[current_sheet_]->ApplyPaletteWithTransparent(
        palette, edit_palette_sub_index_);
    rom()->UpdateBitmap(
        rom()->mutable_bitmap_manager()->mutable_bitmap(current_sheet_).get());
    refresh_graphics_ = false;
  }

  return absl::OkStatus();
}

absl::Status GraphicsEditor::UpdateLinkGfxView() {
  TAB_ITEM("Player Animations")

  const auto link_gfx_offset = 0x80000;
  const auto link_gfx_length = 0x7000;

  // TODO: Finish Rom::LoadLinkGraphics and implement this
  if (ImGui::Button("Load Link Graphics (Experimental)")) {
    if (rom()->is_loaded()) {
      // Load Links graphics from the ROM
      rom()->LoadLinkGraphics();

      // Split it into the pose data frames
      // Create an animation step display for the poses
      // Allow the user to modify the frames used in an anim step
      // LinkOAM_AnimationSteps:
      // #_0D85FB
    }
  }

  END_TAB_ITEM()
  return absl::OkStatus();
}

absl::Status GraphicsEditor::UpdateScadView() {
  TAB_ITEM("Prototype")

  RETURN_IF_ERROR(DrawToolset())

  if (open_memory_editor_) {
    ImGui::Begin("Memory Editor", &open_memory_editor_);
    RETURN_IF_ERROR(DrawMemoryEditor())
    ImGui::End();
  }

  BEGIN_TABLE("#gfxEditTable", 4, kGfxEditFlags)
  SETUP_COLUMN("File Import (BIN, CGX, ROM)")
  SETUP_COLUMN("Palette (COL)")
  ImGui::TableSetupColumn("Tilemaps and Objects (SCR, PNL, OBJ)",
                          ImGuiTableColumnFlags_WidthFixed);
  SETUP_COLUMN("Graphics Preview")
  TABLE_HEADERS()
  NEXT_COLUMN() {
    status_ = DrawCgxImport();
    status_ = DrawClipboardImport();
    status_ = DrawFileImport();
    status_ = DrawExperimentalFeatures();
  }

  NEXT_COLUMN() { status_ = DrawPaletteControls(); }

  NEXT_COLUMN()
  gui::BitmapCanvasPipeline(scr_canvas_, scr_bitmap_, 0x200, 0x200, 0x20,
                            scr_loaded_, false, 0);
  status_ = DrawScrImport();

  NEXT_COLUMN()
  if (super_donkey_) {
    if (refresh_graphics_) {
      for (int i = 0; i < graphics_bin_.size(); i++) {
        graphics_bin_[i].ApplyPalette(
            col_file_palette_group_[current_palette_index_]);
        rom()->UpdateBitmap(&graphics_bin_[i]);
      }
      refresh_graphics_ = false;
    }
    // Load the full graphics space from `super_donkey_1.bin`
    gui::GraphicsBinCanvasPipeline(0x100, 0x40, 0x20, num_sheets_to_load_, 3,
                                   super_donkey_, graphics_bin_);
  } else if (cgx_loaded_ && col_file_) {
    // Load the CGX graphics
    gui::BitmapCanvasPipeline(import_canvas_, cgx_bitmap_, 0x100, 16384, 0x20,
                              cgx_loaded_, true, 5);
  } else {
    // Load the BIN/Clipboard Graphics
    gui::BitmapCanvasPipeline(import_canvas_, bin_bitmap_, 0x100, 16384, 0x20,
                              gfx_loaded_, true, 2);
  }
  END_TABLE()

  END_TAB_ITEM()
  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawToolset() {
  if (ImGui::BeginTable("GraphicsToolset", 2, ImGuiTableFlags_SizingFixedFit,
                        ImVec2(0, 0))) {
    for (const auto& name : kGfxToolsetColumnNames)
      ImGui::TableSetupColumn(name.data());

    TableNextColumn();
    if (Button(ICON_MD_MEMORY)) {
      if (!open_memory_editor_) {
        open_memory_editor_ = true;
      } else {
        open_memory_editor_ = false;
      }
    }

    TEXT_COLUMN("Open Memory Editor")  // Separator

    ImGui::EndTable();
  }
  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawCgxImport() {
  gui::TextWithSeparators("Cgx Import");
  InputInt("BPP", &current_bpp_);

  InputText("##CGXFile", cgx_file_name_, sizeof(cgx_file_name_));
  SameLine();

  gui::FileDialogPipeline("ImportCgxKey", ".CGX,.cgx\0", "Open CGX", [this]() {
    strncpy(cgx_file_path_,
            ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
            sizeof(cgx_file_path_));
    strncpy(cgx_file_name_,
            ImGuiFileDialog::Instance()->GetCurrentFileName().c_str(),
            sizeof(cgx_file_name_));
    is_open_ = true;
    cgx_loaded_ = true;
  });
  gui::ButtonPipe("Copy CGX Path",
                  [this]() { ImGui::SetClipboardText(cgx_file_path_); });

  gui::ButtonPipe("Load CGX Data", [this]() {
    status_ = gfx::LoadCgx(current_bpp_, cgx_file_path_, cgx_data_,
                           decoded_cgx_, extra_cgx_data_);

    cgx_bitmap_.InitializeFromData(0x80, 0x200, 8, decoded_cgx_);
    if (col_file_) {
      cgx_bitmap_.ApplyPalette(decoded_col_);
      rom()->RenderBitmap(&cgx_bitmap_);
    }
  });

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawScrImport() {
  InputText("##ScrFile", scr_file_name_, sizeof(scr_file_name_));

  gui::FileDialogPipeline(
      "ImportScrKey", ".SCR,.scr,.BAK\0", "Open SCR", [this]() {
        strncpy(scr_file_path_,
                ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
                sizeof(scr_file_path_));
        strncpy(scr_file_name_,
                ImGuiFileDialog::Instance()->GetCurrentFileName().c_str(),
                sizeof(scr_file_name_));
        is_open_ = true;
        scr_loaded_ = true;
      });

  InputInt("SCR Mod", &scr_mod_value_);

  gui::ButtonPipe("Load Scr Data", [this]() {
    status_ = gfx::LoadScr(scr_file_path_, scr_mod_value_, scr_data_);

    decoded_scr_data_.resize(0x100 * 0x100);
    status_ = gfx::DrawScrWithCgx(current_bpp_, scr_data_, decoded_scr_data_,
                                  decoded_cgx_);

    scr_bitmap_.InitializeFromData(0x100, 0x100, 8, decoded_scr_data_);
    if (scr_loaded_) {
      scr_bitmap_.ApplyPalette(decoded_col_);
      rom()->RenderBitmap(&scr_bitmap_);
    }
  });

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawPaletteControls() {
  gui::TextWithSeparators("COL Import");
  InputText("##ColFile", col_file_name_, sizeof(col_file_name_));
  SameLine();

  gui::FileDialogPipeline(
      "ImportColKey", ".COL,.col,.BAK,.bak\0", "Open COL", [this]() {
        strncpy(col_file_path_,
                ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
                sizeof(col_file_path_));
        strncpy(col_file_name_,
                ImGuiFileDialog::Instance()->GetCurrentFileName().c_str(),
                sizeof(col_file_name_));
        status_ = temp_rom_.LoadFromFile(col_file_path_,
                                         /*z3_load=*/false);
        auto col_data_ = gfx::GetColFileData(temp_rom_.data());
        if (col_file_palette_group_.size() != 0) {
          col_file_palette_group_.Clear();
        }
        col_file_palette_group_ = gfx::CreatePaletteGroupFromColFile(col_data_);
        col_file_palette_ = gfx::SNESPalette(col_data_);

        // gigaleak dev format based code
        decoded_col_ = gfx::DecodeColFile(col_file_path_);
        col_file_ = true;
        is_open_ = true;
      });

  gui::ButtonPipe("Copy COL Path",
                  [this]() { ImGui::SetClipboardText(col_file_path_); });

  if (rom()->is_loaded()) {
    gui::TextWithSeparators("ROM Palette");
    gui::InputHex("Palette Index", &current_palette_index_);
    ImGui::Combo("Palette", &current_palette_, kPaletteGroupAddressesKeys,
                 IM_ARRAYSIZE(kPaletteGroupAddressesKeys));
  }

  if (col_file_palette_.size() != 0) {
    gui::SelectablePalettePipeline(current_palette_index_, refresh_graphics_,
                                   col_file_palette_);
  }

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawObjImport() {
  gui::TextWithSeparators("OBJ Import");

  InputText("##ObjFile", obj_file_path_, sizeof(obj_file_path_));
  SameLine();

  gui::FileDialogPipeline(
      "ImportObjKey", ".obj,.OBJ,.bak,.BAK\0", "Open OBJ", [this]() {
        strncpy(file_path_,
                ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
                sizeof(file_path_));
        status_ = temp_rom_.LoadFromFile(file_path_);
        is_open_ = true;
      });

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawTilemapImport() {
  gui::TextWithSeparators("Tilemap Import");

  InputText("##TMapFile", tilemap_file_path_, sizeof(tilemap_file_path_));
  SameLine();

  gui::FileDialogPipeline(
      "ImportTilemapKey", ".DAT,.dat,.BIN,.bin,.hex,.HEX\0", "Open Tilemap",
      [this]() {
        strncpy(tilemap_file_path_,
                ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
                sizeof(tilemap_file_path_));
        status_ = tilemap_rom_.LoadFromFile(tilemap_file_path_);

        // Extract the high and low bytes from the file.
        auto decomp_sheet = gfx::lc_lz2::DecompressV2(
            tilemap_rom_.data(), gfx::lc_lz2::kNintendoMode1);
        tilemap_loaded_ = true;
        is_open_ = true;
      });

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawFileImport() {
  gui::TextWithSeparators("BIN Import");

  InputText("##ROMFile", file_path_, sizeof(file_path_));
  SameLine();

  gui::FileDialogPipeline("ImportDlgKey", ".bin,.hex\0", "Open BIN", [this]() {
    strncpy(file_path_, ImGuiFileDialog::Instance()->GetFilePathName().c_str(),
            sizeof(file_path_));
    status_ = temp_rom_.LoadFromFile(file_path_);
    is_open_ = true;
  });

  gui::ButtonPipe("Copy File Path",
                  [this]() { ImGui::SetClipboardText(file_path_); });

  gui::InputHex("BIN Offset", &current_offset_);
  gui::InputHex("BIN Size", &bin_size_);

  if (Button("Decompress BIN")) {
    if (strlen(file_path_) > 0) {
      RETURN_IF_ERROR(DecompressImportData(bin_size_))
    } else {
      return absl::InvalidArgumentError(
          "Please select a file before importing.");
    }
  }

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawClipboardImport() {
  gui::TextWithSeparators("Clipboard Import");
  gui::ButtonPipe("Paste from Clipboard", [this]() {
    const char* text = ImGui::GetClipboardText();
    if (text) {
      const auto clipboard_data = Bytes(text, text + strlen(text));
      ImGui::MemFree((void*)text);
      status_ = temp_rom_.LoadFromBytes(clipboard_data);
      is_open_ = true;
      open_memory_editor_ = true;
    }
  });
  gui::InputHex("Offset", &clipboard_offset_);
  gui::InputHex("Size", &clipboard_size_);
  gui::InputHex("Num Sheets", &num_sheets_to_load_);

  gui::ButtonPipe("Decompress Clipboard Data", [this]() {
    if (temp_rom_.is_loaded()) {
      status_ = DecompressImportData(0x40000);
    } else {
      status_ = absl::InvalidArgumentError(
          "Please paste data into the clipboard before "
          "decompressing.");
    }
  });

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawExperimentalFeatures() {
  gui::TextWithSeparators("Experimental");
  if (Button("Decompress Super Donkey Full")) {
    if (strlen(file_path_) > 0) {
      RETURN_IF_ERROR(DecompressSuperDonkey())
    } else {
      return absl::InvalidArgumentError(
          "Please select `super_donkey_1.bin` before "
          "importing.");
    }
  }
  ImGui::SetItemTooltip(
      "Requires `super_donkey_1.bin` to be imported under the "
      "BIN import section.");
  return absl::OkStatus();
}

absl::Status GraphicsEditor::DrawMemoryEditor() {
  std::string title = "Memory Editor";
  if (is_open_) {
    static MemoryEditor mem_edit;
    mem_edit.DrawWindow(title.c_str(), temp_rom_.data(), temp_rom_.size());
  }
  return absl::OkStatus();
}

absl::Status GraphicsEditor::DecompressImportData(int size) {
  ASSIGN_OR_RETURN(import_data_, gfx::lc_lz2::DecompressV2(
                                     temp_rom_.data(), current_offset_, size))

  auto converted_sheet = gfx::SnesTo8bppSheet(import_data_, 3);
  bin_bitmap_.Create(core::kTilesheetWidth, 0x2000, core::kTilesheetDepth,
                     converted_sheet);

  if (rom()->is_loaded()) {
    auto palette_group = rom()->palette_group("ow_main");
    z3_rom_palette_ = palette_group[current_palette_];
    if (col_file_) {
      bin_bitmap_.ApplyPalette(col_file_palette_);
    } else {
      bin_bitmap_.ApplyPalette(z3_rom_palette_);
    }
  }

  rom()->RenderBitmap(&bin_bitmap_);
  gfx_loaded_ = true;

  return absl::OkStatus();
}

absl::Status GraphicsEditor::DecompressSuperDonkey() {
  int i = 0;
  for (const auto& offset : kSuperDonkeyTiles) {
    int offset_value =
        std::stoi(offset, nullptr, 16);  // convert hex string to int
    ASSIGN_OR_RETURN(
        auto decompressed_data,
        gfx::lc_lz2::DecompressV2(temp_rom_.data(), offset_value, 0x1000))
    auto converted_sheet = gfx::SnesTo8bppSheet(decompressed_data, 3);
    graphics_bin_[i] =
        gfx::Bitmap(core::kTilesheetWidth, core::kTilesheetHeight,
                    core::kTilesheetDepth, converted_sheet);
    if (col_file_) {
      graphics_bin_[i].ApplyPalette(
          col_file_palette_group_[current_palette_index_]);
    } else {
      // ROM palette
      auto palette_group =
          rom()->palette_group(kPaletteGroupAddressesKeys[current_palette_]);
      z3_rom_palette_ = palette_group[current_palette_index_];
      graphics_bin_[i].ApplyPalette(z3_rom_palette_);
    }

    rom()->RenderBitmap(&graphics_bin_[i]);
    i++;
  }

  for (const auto& offset : kSuperDonkeySprites) {
    int offset_value =
        std::stoi(offset, nullptr, 16);  // convert hex string to int
    ASSIGN_OR_RETURN(
        auto decompressed_data,
        gfx::lc_lz2::DecompressV2(temp_rom_.data(), offset_value, 0x1000))
    auto converted_sheet = gfx::SnesTo8bppSheet(decompressed_data, 3);
    graphics_bin_[i] =
        gfx::Bitmap(core::kTilesheetWidth, core::kTilesheetHeight,
                    core::kTilesheetDepth, converted_sheet);
    if (col_file_) {
      graphics_bin_[i].ApplyPalette(
          col_file_palette_group_[current_palette_index_]);
    } else {
      // ROM palette
      auto palette_group =
          rom()->palette_group(kPaletteGroupAddressesKeys[current_palette_]);
      z3_rom_palette_ = palette_group[current_palette_index_];
      graphics_bin_[i].ApplyPalette(z3_rom_palette_);
    }

    rom()->RenderBitmap(&graphics_bin_[i]);
    i++;
  }
  super_donkey_ = true;
  num_sheets_to_load_ = i;

  return absl::OkStatus();
}

}  // namespace editor
}  // namespace app
}  // namespace yaze