rodecomp/Source/UI/UIChooseSellBuyWnd.cpp

#include "Client/ModeEvents.h"
#include "Client/ReplayPacketRecorder.h"
#include "Resource/BitmapResource.h"
#include "Resource/ResourceMgr.h"
#include "UI/UIBitmapButton.h"
#include "UI/UIJoinPartyAcceptWnd.h"
#include "UI/UITextViewer.h"
#include "UI/WindowManagerWindows.h"

#include <bit>
#include <cstring>

namespace {
  constexpr char prefix[] = "\xC0\xAF\xC0\xFA\xC0\xCE\xC5\xCD\xC6\xE4\xC0\xCC\xBD\xBA\\";
}

// OFFSET: 0x008C73C0
UIChooseSellBuyWnd::UIChooseSellBuyWnd(
  UIWindowContext& windows,
  UIFrameContext& frames,
  UIAcceptanceContext& acceptance
)
    : UIFrameWnd(windows, frames, 0), identity(0), m_acceptance(&acceptance) {
}

// OFFSET: 0x008CC430
// FUNCTION: fn_12010
UIChooseSellBuyWnd::~UIChooseSellBuyWnd() = default;

void UIChooseSellBuyWnd::AddChoice(const char* name, int id, int x, int y) {
  auto* button = new UIBitmapButton(*this->m_context, this->m_acceptance->text.buttons);
  const char* suffixes[] = {"", "_a", "_b"};

  for (int state = 0; state < 3; ++state) {
    const std::string path = std::string(prefix) + name + suffixes[state] + ".bmp";
    button->SetBitmap(path.c_str(), state, 0);
  }

  button->SetSize(button->BitmapWidth(), button->BitmapHeight());
  button->Move(x, y);
  button->SetId(id);
  this->AddChild(button);
}

void UIChooseSellBuyWnd::CreateViewer(int width, int height) {
  auto& text = this->m_acceptance->text;
  this->viewer = new UITextViewer(*this->m_context, text);
  this->viewer->Configure(10, 22, width - 20, height - 55, 0);
  const std::string chip = std::string(prefix) + "colorchip.bmp";
  const auto* bitmap = static_cast<CBitmapRes*>(text.buttons.resources.Load(chip.c_str()));
  const auto& image = bitmap->image;
  const std::uint32_t pixel = image.width > 2 && image.height > 2 ? image.pixels[2 + 2 * image.width] : 0x00FF0000u;
  this->viewer->textColor = 0xFF000000u | ((pixel & 255) << 16) | (pixel & 0xFF00) | ((pixel >> 16) & 255);
  this->viewer->Invalidate();
  this->AddChild(this->viewer);
}

// OFFSET: 0x008DD290
// FUNCTION: fn_12162
void UIChooseSellBuyWnd::Slot15(int width, int height) {
  this->AddChoice("btn_buy", 224, 144, 96);
  this->AddChoice("btn_sell", 223, 189, 96);
  this->AddChoice("btn_cancel", 185, 234, 96);
  this->m_message0 = 224;
  this->CreateViewer(width, height);
  this->viewer->SendMsg(
    nullptr, 29, reinterpret_cast<std::intptr_t>(this->m_acceptance->text.buttons.services.MessageText(92)), 38, 0, 0
  );
}

// OFFSET: 0x008ED130
// FUNCTION: fn_12214
void UIChooseSellBuyWnd::Paint() {
  const std::string path = std::string(prefix) + "win_msgbox.bmp";
  const auto* bitmap = static_cast<CBitmapRes*>(this->m_acceptance->text.buttons.resources.Load(path.c_str()));
  this->DrawBitmap(0, 0, bitmap ? &bitmap->image : nullptr, false);
}

// OFFSET: 0x008F8860
// FUNCTION: fn_12332
int UIChooseSellBuyWnd::SendMsg(
  UIWindow* sender,
  int message,
  std::intptr_t a,
  std::intptr_t b,
  std::intptr_t c,
  std::intptr_t d
) {
  if (message == 6) {
    const int response = std::bit_cast<int>(static_cast<unsigned>(a));
    this->m_acceptance->recorder.Record(this->geometry.id, response, b, c, d);

    if (this->geometry.visible != 0) {
      if (response == 185) {
        this->m_context->mode->SendModeMessage(40, 0, 0, 0, 0);
        this->m_frameContext->windows.CloseWindow(25);
      } else if (response == 223 || response == 224) {
        this->m_context->mode->SendModeMessage(response == 223 ? 37 : 38, this->identity, 0, 0, 0);
        this->m_frameContext->windows.LookupWindow(25)->Show(0);
      } else {
        return 0;
      }

      this->m_acceptance->firstShopItems.clear();
      this->m_acceptance->secondShopItems.clear();
      this->m_acceptance->thirdShopItems.clear();
    }

    return 0;
  }

  if (message == 28) {
    this->identity = static_cast<std::uint32_t>(a);
    return 0;
  }

  if (message == 123) {
    const auto* bytes = reinterpret_cast<const unsigned char*>(a);
    std::uint16_t marker;
    std::memcpy(&marker, bytes, sizeof(marker));
    unsigned offset = 6;

    if (marker == 20850) {
      while (static_cast<unsigned>(b) > offset) {
        std::uint16_t kind;
        std::uint32_t size;
        std::memcpy(&kind, bytes + offset, sizeof(kind));
        std::memcpy(&size, bytes + offset + 2, sizeof(size));
        offset += 6;

        if (kind == 20851) {
          this->m_acceptance->replayShopState = 1;
          this->SendMsg(nullptr, 28, 0, 0, 0, 0);
          this->m_frameContext->windows.CloseWindow(22);
          this->m_frameContext->windows.CloseWindow(23);
          this->m_frameContext->windows.CloseWindow(24);
          return 0;
        }

        offset += size;
      }
    }

    return 0;
  }

  return this->UIFrameWnd::SendMsg(sender, message, a, b, c, d);
}