src/tracker_panel.cpp


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#include "tracker_panel.h"

#include <wx/dcbuffer.h>

#include "ap_state.h"
#include "area_popup.h"
#include "game_data.h"
#include "global.h"
#include "tracker_config.h"
#include "tracker_state.h"

constexpr int AREA_ACTUAL_SIZE = 64;
constexpr int AREA_BORDER_SIZE = 5;
constexpr int AREA_EFFECTIVE_SIZE = AREA_ACTUAL_SIZE + AREA_BORDER_SIZE * 2;
constexpr int PLAYER_SIZE = 96;

TrackerPanel::TrackerPanel(wxWindow *parent) : wxPanel(parent, wxID_ANY) {
  SetBackgroundStyle(wxBG_STYLE_PAINT);

  map_image_ = wxImage(GetAbsolutePath("assets/lingo_map.png").c_str(),
                       wxBITMAP_TYPE_PNG);
  if (!map_image_.IsOk()) {
    return;
  }

  player_image_ =
      wxImage(GetAbsolutePath("assets/player.png").c_str(), wxBITMAP_TYPE_PNG);
  if (!player_image_.IsOk()) {
    return;
  }

  for (const MapArea &map_area : GD_GetMapAreas()) {
    AreaIndicator area;
    area.area_id = map_area.id;

    area.popup = new AreaPopup(this, map_area.id);
    area.popup->SetPosition({0, 0});

    areas_.push_back(area);
  }

  Redraw();

  Bind(wxEVT_PAINT, &TrackerPanel::OnPaint, this);
  Bind(wxEVT_MOTION, &TrackerPanel::OnMouseMove, this);
}

void TrackerPanel::UpdateIndicators() {
  for (AreaIndicator &area : areas_) {
    area.popup->UpdateIndicators();
  }

  Redraw();
}

void TrackerPanel::OnPaint(wxPaintEvent &event) {
  if (GetSize() != rendered_.GetSize()) {
    Redraw();
  }

  wxBufferedPaintDC dc(this);
  dc.DrawBitmap(rendered_, 0, 0);

  if (AP_GetPlayerPosition().has_value()) {
    // 1588, 1194
    // 14x14 -> 154x154
    double intended_x =
        1588.0 + (std::get<0>(*AP_GetPlayerPosition()) * (154.0 / 14.0));
    double intended_y =
        1194.0 + (std::get<1>(*AP_GetPlayerPosition()) * (154.0 / 14.0));

    int real_x = offset_x_ + scale_x_ * intended_x - scaled_player_.GetWidth() / 2;
    int real_y = offset_y_ + scale_y_ * intended_y - scaled_player_.GetHeight() / 2;

    dc.DrawBitmap(scaled_player_, real_x, real_y);
  }

  event.Skip();
}

void TrackerPanel::OnMouseMove(wxMouseEvent &event) {
  for (AreaIndicator &area : areas_) {
    if (area.active && area.real_x1 <= event.GetX() &&
        event.GetX() < area.real_x2 && area.real_y1 <= event.GetY() &&
        event.GetY() < area.real_y2) {
      area.popup->Show();
    } else {
      area.popup->Hide();
    }
  }

  event.Skip();
}

void TrackerPanel::Redraw() {
  wxSize panel_size = GetSize();
  wxSize image_size = map_image_.GetSize();

  int final_x = 0;
  int final_y = 0;
  int final_width = panel_size.GetWidth();
  int final_height = panel_size.GetHeight();

  if (image_size.GetWidth() * panel_size.GetHeight() >
      panel_size.GetWidth() * image_size.GetHeight()) {
    final_height = (panel_size.GetWidth() * image_size.GetHeight()) /
                   image_size.GetWidth();
    final_y = (panel_size.GetHeight() - final_height) / 2;
  } else {
    final_width = (image_size.GetWidth() * panel_size.GetHeight()) /
                  image_size.GetHeight();
    final_x = (panel_size.GetWidth() - final_width) / 2;
  }

  rendered_ = wxBitmap(
      map_image_.Scale(final_width, final_height, wxIMAGE_QUALITY_NORMAL)
          .Size(panel_size, {final_x, final_y}, 0, 0, 0));

  offset_x_ = final_x;
  offset_y_ = final_y;
  scale_x_ = static_cast<double>(final_width) / image_size.GetWidth();
  scale_y_ = static_cast<double>(final_height) / image_size.GetHeight();

  int player_width = PLAYER_SIZE * scale_x_;
  int player_height = PLAYER_SIZE * scale_y_;
  scaled_player_ =
      wxBitmap(player_image_.Scale(player_width > 0 ? player_width : 1,
                                   player_height > 0 ? player_height : 1));

  wxMemoryDC dc;
  dc.SelectObject(rendered_);

  int real_area_size =
      final_width * AREA_EFFECTIVE_SIZE / image_size.GetWidth();
  int actual_border_size =
      real_area_size * AREA_BORDER_SIZE / AREA_EFFECTIVE_SIZE;
  const wxPoint upper_left_triangle[] = {
      {0, 0}, {0, real_area_size}, {real_area_size, 0}};
  const wxPoint lower_right_triangle[] = {{0, real_area_size - 1},
                                          {real_area_size - 1, 0},
                                          {real_area_size, real_area_size}};

  for (AreaIndicator &area : areas_) {
    const MapArea &map_area = GD_GetMapArea(area.area_id);
    if (!AP_IsLocationVisible(map_area.classification) &&
        !(map_area.hunt && GetTrackerConfig().show_hunt_panels) &&
        !(AP_IsPaintingShuffle() && !map_area.paintings.empty())) {
      area.active = false;
      continue;
    } else {
      area.active = true;
    }

    bool has_reachable_unchecked = false;
    bool has_unreachable_unchecked = false;
    for (const Location &section : map_area.locations) {
      bool has_unchecked = false;
      if (IsLocationWinCondition(section)) {
        has_unchecked = !AP_HasReachedGoal();
      } else if (AP_IsLocationVisible(section.classification)) {
        has_unchecked = !AP_HasCheckedGameLocation(section.ap_location_id);
      } else if (section.hunt && GetTrackerConfig().show_hunt_panels) {
        has_unchecked = !AP_HasCheckedHuntPanel(section.ap_location_id);
      }

      if (has_unchecked) {
        if (IsLocationReachable(section.ap_location_id)) {
          has_reachable_unchecked = true;
        } else {
          has_unreachable_unchecked = true;
        }
      }
    }

    if (AP_IsPaintingShuffle()) {
      for (int painting_id : map_area.paintings) {
        const PaintingExit &painting = GD_GetPaintingExit(painting_id);
        if (!AP_IsPaintingChecked(painting.internal_id)) {
          bool reachable = IsPaintingReachable(painting_id);

          if (reachable) {
            has_reachable_unchecked = true;
          } else {
            has_unreachable_unchecked = true;
          }
        }
      }
    }

    int real_area_x = final_x + (map_area.map_x - (AREA_EFFECTIVE_SIZE / 2)) *
                                    final_width / image_size.GetWidth();
    int real_area_y = final_y + (map_area.map_y - (AREA_EFFECTIVE_SIZE / 2)) *
                                    final_width / image_size.GetWidth();

    if (has_reachable_unchecked && has_unreachable_unchecked &&
        GetTrackerConfig().hybrid_areas) {
      dc.SetPen(*wxTRANSPARENT_PEN);
      dc.SetBrush(*wxGREEN_BRUSH);
      dc.DrawPolygon(3, upper_left_triangle, real_area_x, real_area_y);

      dc.SetBrush(*wxRED_BRUSH);
      dc.DrawPolygon(3, lower_right_triangle, real_area_x, real_area_y);

      dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, actual_border_size));
      dc.SetBrush(*wxTRANSPARENT_BRUSH);
      dc.DrawRectangle({real_area_x, real_area_y},
                       {real_area_size, real_area_size});

    } else {
      const wxBrush *brush_color = wxGREY_BRUSH;
      if (has_reachable_unchecked && has_unreachable_unchecked) {
        brush_color = wxYELLOW_BRUSH;
      } else if (has_reachable_unchecked) {
        brush_color = wxGREEN_BRUSH;
      } else if (has_unreachable_unchecked) {
        brush_color = wxRED_BRUSH;
      }

      dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, actual_border_size));
      dc.SetBrush(*brush_color);
      dc.DrawRectangle({real_area_x, real_area_y},
                       {real_area_size, real_area_size});
    }

    area.real_x1 = real_area_x;
    area.real_x2 = real_area_x + real_area_size;
    area.real_y1 = real_area_y;
    area.real_y2 = real_area_y + real_area_size;

    int popup_x =
        final_x + map_area.map_x * final_width / image_size.GetWidth();
    int popup_y =
        final_y + map_area.map_y * final_width / image_size.GetWidth();

    area.popup->SetClientSize(
        area.popup->GetVirtualSize().GetWidth(),
        std::min(panel_size.GetHeight(),
                 area.popup->GetVirtualSize().GetHeight()));

    if (popup_x + area.popup->GetSize().GetWidth() > panel_size.GetWidth()) {
      popup_x = panel_size.GetWidth() - area.popup->GetSize().GetWidth();
    }
    if (popup_y + area.popup->GetSize().GetHeight() > panel_size.GetHeight()) {
      popup_y = panel_size.GetHeight() - area.popup->GetSize().GetHeight();
    }
    area.popup->SetPosition({popup_x, popup_y});
  }
}