/*
 * Descent 3
 * Copyright (C) 2024 Parallax Software
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

// MegacellKeypad.cpp : implementation file
//

#include "stdafx.h"
#include "editor.h"
#include "MegacellKeypad.h"
#include "megacell.h"
#include "terrain.h"
#include "terraindialog.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMegacellKeypad dialog

int CMegacellKeypad::m_Instances = 0;

CMegacellKeypad::CMegacellKeypad(CWnd *pParent /*=NULL*/) : CKeypadDialog(CMegacellKeypad::IDD, pParent) {
  //{{AFX_DATA_INIT(CMegacellKeypad)
  // NOTE: the ClassWizard will add member initialization here
  //}}AFX_DATA_INIT
}

void CMegacellKeypad::DoDataExchange(CDataExchange *pDX) {
  CDialog::DoDataExchange(pDX);
  //{{AFX_DATA_MAP(CMegacellKeypad)
  // NOTE: the ClassWizard will add DDX and DDV calls here
  //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMegacellKeypad, CDialog)
//{{AFX_MSG_MAP(CMegacellKeypad)
ON_WM_DESTROY()
ON_WM_SIZE()
ON_WM_VSCROLL()
ON_WM_HSCROLL()
ON_BN_CLICKED(IDC_NEXT_MEGA_SET, OnNextMegaSet)
ON_BN_CLICKED(IDC_PREV_MEGA_SET, OnPrevMegaSet)
ON_WM_PAINT()
ON_BN_CLICKED(IDC_FILL_WITH_MEGACELL, OnFillWithMegacell)
ON_BN_CLICKED(IDC_RANDOMIZE_MEGACELL_CHECK, OnRandomizeMegacellCheck)
ON_BN_CLICKED(IDC_SELECT_FROM_MEGACELL, OnSelectFromMegacell)
ON_BN_CLICKED(IDC_UNIFY_MEGACELL, OnUnifyMegacell)
ON_WM_HELPINFO()
ON_EN_KILLFOCUS(IDC_X_GRANULAR_EDIT, OnKillfocusXGranularEdit)
ON_EN_KILLFOCUS(IDC_Y_GRANULAR_EDIT, OnKillfocusYGranularEdit)
ON_BN_CLICKED(IDC_HIGHLIGHT_BORDERS, OnHighlightBorders)
ON_BN_CLICKED(IDC_MEGACELL_SKYDOME, OnMegacellSkydome)
ON_BN_CLICKED(IDC_MEGACELL_SKYBAND, OnMegacellSkyband)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMegacellKeypad message handlers

void CMegacellKeypad::OnDestroy() {
  CDialog::OnDestroy();

  if (m_Instances > 0)
    m_Instances--;
}

BOOL CMegacellKeypad::OnInitDialog() {
  CDialog::OnInitDialog();

  ((CButton *)GetDlgItem(IDC_RANDOMIZE_MEGACELL_CHECK))->SetCheck(D3EditState.randomize_megacell);

  m_Instances++;
  m_xgran = 1;
  m_ygran = 1;

  UpdateDialog();

  return TRUE; // return TRUE unless you set the focus to a control
               // EXCEPTION: OCX Property Pages should return FALSE
}

void CMegacellKeypad::OnSize(UINT nType, int cx, int cy) {
  CKeypadDialog::OnSize(nType, cx, cy);

  //	Add your code here, sweetie.
}

void CMegacellKeypad::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar *pScrollBar) {
  // TODO: Add your message handler code here and/or call default

  CKeypadDialog::OnVScroll(nSBCode, nPos, pScrollBar);
}

void CMegacellKeypad::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar *pScrollBar) {
  // TODO: Add your message handler code here and/or call default

  CKeypadDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CMegacellKeypad::OnNextMegaSet() {
  D3EditState.current_megacell = GetNextMegacell(D3EditState.current_megacell);
  m_xgran = m_ygran = 1;
  UpdateDialog();
}

void CMegacellKeypad::OnPrevMegaSet() {
  D3EditState.current_megacell = GetPrevMegacell(D3EditState.current_megacell);
  m_xgran = m_ygran = 1;
  UpdateDialog();
}

void CMegacellKeypad::OnPaint() {
  CPaintDC dc(this); // device context for painting

  //	This is added so we don't paint this dialog when it's inactive.
  if (!m_Active)
    return;

  UpdateDialog();
}

void CMegacellKeypad::UpdateDialog() {
  if (Num_megacells < 1)
    return;

  int n = D3EditState.current_megacell;
  char str[255];
  CEdit *ebox;

  if (!Megacells[n].used) {
    n = GetNextMegacell(n);
    D3EditState.current_megacell = n;
  }

  ebox = (CEdit *)GetDlgItem(IDC_MEGACELL_NAME_STATIC);
  sprintf(str, "Megacell name: %s", Megacells[n].name);
  ebox->SetWindowText(str);

  ebox = (CEdit *)GetDlgItem(IDC_MEGA_WIDTH_STATIC);
  sprintf(str, "Width: %d", Megacells[n].width);
  ebox->SetWindowText(str);

  ebox = (CEdit *)GetDlgItem(IDC_MEGA_HEIGHT_STATIC);
  sprintf(str, "Height: %d", Megacells[n].height);
  ebox->SetWindowText(str);

  ebox = (CEdit *)GetDlgItem(IDC_X_GRANULAR_EDIT);
  sprintf(str, "%d", m_xgran);
  ebox->SetWindowText(str);

  ebox = (CEdit *)GetDlgItem(IDC_Y_GRANULAR_EDIT);
  sprintf(str, "%d", m_ygran);
  ebox->SetWindowText(str);

  UpdateMegaSetView();
}

void CMegacellKeypad::UpdateMegaSetView() {
  int n = D3EditState.current_megacell;
  CWnd *texwnd;
  RECT rect;
  int x, y, bm_handle, w, h;
  int megawidth = Megacells[n].width;
  int megaheight = Megacells[n].height;
  int i, t;

  Desktop_surf->attach_to_window((unsigned)m_hWnd);

  texwnd = GetDlgItem(IDC_MEGACELL_SET_VIEW);
  texwnd->GetWindowRect(&rect);
  ScreenToClient(&rect);
  w = rect.right - rect.left;
  h = rect.bottom - rect.top;

  Desktop_surf->clear(rect.left, rect.top, w, h);

  if (megawidth > 0) {
    int texwidth = w / megawidth;
    int texheight = h / megaheight;

    // Don't have to clear if we're overwriting the whole area!

    for (i = 0; i < megaheight; i++) {
      for (t = 0; t < megawidth; t++) {
        m_TextureSurf.create(texwidth, texheight, BPP_16);

        bm_handle = GetTextureBitmap(Megacells[n].texture_handles[i * MAX_MEGACELL_WIDTH + t], 0);
        m_TextureSurf.load(bm_handle);

        x = 1 + rect.left + (t * texwidth);
        y = 1 + rect.top + (i * texheight);

        Desktop_surf->blt(x, y, &m_TextureSurf);

        m_TextureSurf.free();
      }
    }
  }

  Desktop_surf->attach_to_window((unsigned)NULL);
}

void CMegacellKeypad::OnFillWithMegacell() { return; }

void CMegacellKeypad::OnRandomizeMegacellCheck() {
  // TODO: Add your control notification handler code here
  D3EditState.randomize_megacell = (((CButton *)GetDlgItem(IDC_RANDOMIZE_MEGACELL_CHECK))->GetCheck() != 0);
}

// Selects all the cells that has textures from the currently selected megacell
void CMegacellKeypad::OnSelectFromMegacell() {}

// Fill only the selected cells with this megacell
void CMegacellKeypad::OnUnifyMegacell() {}

BOOL CMegacellKeypad::OnHelpInfo(HELPINFO *pHelpInfo) {
  // TODO: Add your message handler code here and/or call default
  WinHelp(HID_MEGACELLTAB, HELP_CONTEXT);
  return TRUE;
  // return CDialog::OnHelpInfo(pHelpInfo);
}

void CMegacellKeypad::OnKillfocusXGranularEdit() {
  CEdit *ebox;
  char name[20];
  int n = D3EditState.current_megacell;
  int val;

  ebox = (CEdit *)GetDlgItem(IDC_X_GRANULAR_EDIT);
  ebox->GetWindowText(name, 20);

  val = atoi(name);

  if (val < 1)
    val = 1;
  if (val > Megacells[n].width)
    val = Megacells[n].width;

  m_xgran = val;

  UpdateDialog();
}

void CMegacellKeypad::OnKillfocusYGranularEdit() {
  CEdit *ebox;
  char name[20];
  int n = D3EditState.current_megacell;
  int val;

  ebox = (CEdit *)GetDlgItem(IDC_Y_GRANULAR_EDIT);
  ebox->GetWindowText(name, 20);

  val = atoi(name);

  if (val < 1)
    val = 1;
  if (val > Megacells[n].height)
    val = Megacells[n].height;

  m_ygran = val;

  UpdateDialog();
}

void CMegacellKeypad::OnHighlightBorders() {}

void CMegacellKeypad::OnMegacellSkydome() {}

void CMegacellKeypad::OnMegacellSkyband() {}