/*
* 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/>.
*/

// SelectRangeDialog.cpp : implementation file
//

#include "stdafx.h"
#include "editor.h"
#include "SelectRangeDialog.h"
#include "terrain.h"

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

/////////////////////////////////////////////////////////////////////////////
// SelectRangeDialog dialog


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


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


BEGIN_MESSAGE_MAP(SelectRangeDialog, CDialog)
	//{{AFX_MSG_MAP(SelectRangeDialog)
	ON_EN_KILLFOCUS(IDC_LOWER_BOUND_EDIT, OnKillfocusLowerBoundEdit)
	ON_EN_KILLFOCUS(IDC_UPPER_BOUND_EDIT, OnKillfocusUpperBoundEdit)
	ON_BN_CLICKED(IDC_SELECT_SLOPE_CHECK, OnSelectSlopeCheck)
	ON_EN_KILLFOCUS(IDC_SLOPE_EDIT, OnKillfocusSlopeEdit)
	ON_BN_CLICKED(IDC_INVERSE_CHECK, OnInverseCheck)
	ON_BN_CLICKED(IDC_TEXTURE_GRID_CHECK, OnTextureGridCheck)
	ON_BN_CLICKED(IDC_RANDOM_CHECK, OnRandomCheck)
	ON_BN_CLICKED(IDC_SELECT_CUR_TEXTURE_CHECK, OnSelectCurTextureCheck)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// SelectRangeDialog message handlers

void SelectRangeDialog::OnKillfocusLowerBoundEdit() 
{
	CEdit *ebox;
	char str[20];
	int num;
	
	ebox=(CEdit *) GetDlgItem (IDC_LOWER_BOUND_EDIT);
	ebox->GetWindowText (str,20);

	num = atoi (str);
	if (num<0)
		num=0;
	if (num>255)
		num=255;

	LowerBound=num;
}

void SelectRangeDialog::OnKillfocusUpperBoundEdit() 
{
	CEdit *ebox;
	char str[20];
	int num;
	
	ebox=(CEdit *) GetDlgItem (IDC_UPPER_BOUND_EDIT);
	ebox->GetWindowText (str,20);

	num = atoi (str);
	if (num<0)
		num=0;
	if (num>255)
		num=255;

	UpperBound=num;
}

void SelectRangeDialog::OnOK() 
{
	OnKillfocusUpperBoundEdit();
	OnKillfocusLowerBoundEdit();
	OnKillfocusSlopeEdit();

	int use_slope=IsDlgButtonChecked(IDC_SELECT_SLOPE_CHECK);
	int inverted=IsDlgButtonChecked(IDC_INVERSE_CHECK);
	int texgrid=IsDlgButtonChecked(IDC_TEXTURE_GRID_CHECK);
	int random=IsDlgButtonChecked(IDC_RANDOM_CHECK);
	int cur_texture=IsDlgButtonChecked(IDC_SELECT_CUR_TEXTURE_CHECK);

	if (UpperBound<LowerBound)
	{
		OutrageMessageBox ("Lower bound must be less than upper bound!");
	}
	else
	{
		for (int i=0;i<TERRAIN_WIDTH*TERRAIN_DEPTH;i++)
			TerrainSelected[i]=0;
		Num_terrain_selected=0;
		for (i=0;i<TERRAIN_WIDTH*TERRAIN_DEPTH;i++)
		{
			int selected=1;

			if (!(Terrain_seg[i].ypos>=LowerBound && Terrain_seg[i].ypos<=UpperBound))
				selected=0;

			if (use_slope)
			{
				int x=i%TERRAIN_WIDTH;
				int z=i/TERRAIN_WIDTH;


				if (x!=(TERRAIN_WIDTH-1))
				{
					if (!((abs(Terrain_seg[i].ypos-Terrain_seg[z*TERRAIN_WIDTH+(x+1)].ypos))>=SlopeAngle))
						selected=0;
					
					if (z!=(TERRAIN_DEPTH-1))
					{
						if (!((abs(Terrain_seg[i].ypos-Terrain_seg[(z+1)*TERRAIN_WIDTH+(x+1)].ypos))>=SlopeAngle))
							selected=0;	
					}
				}

				if (z!=(TERRAIN_DEPTH-1))
				{
					if (!((abs(Terrain_seg[i].ypos-Terrain_seg[(z+1)*TERRAIN_WIDTH+(x)].ypos))>=SlopeAngle))
						selected=0;	
				}
			}

			if (random)
			{
				if (rand() > (RAND_MAX / 2))
					selected=0;
			}

			if (texgrid)
			{
				int x=i%TERRAIN_WIDTH;
				int z=i/TERRAIN_WIDTH;

				if (x % (1<<(MAX_TERRAIN_LOD-1)))
					selected=0;

				if (z % (1<<(MAX_TERRAIN_LOD-1)))
					selected=0;
			}

			if (cur_texture)
			{
				if (Terrain_tex_seg[Terrain_seg[i].texseg_index].tex_index!=D3EditState.texdlg_texture)
					selected=0;
			}

			if (inverted)
				selected=!selected;

			if (selected)
			{
				TerrainSelected[i]=1;
				Num_terrain_selected++;
			}
			
		}
	}
	
	CDialog::OnOK();
}

void SelectRangeDialog::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void SelectRangeDialog::OnSelectSlopeCheck() 
{
	int c=IsDlgButtonChecked(IDC_SELECT_SLOPE_CHECK);
		
	CButton *bbox=(CButton *) GetDlgItem (IDC_SLOPE_EDIT);
	bbox->EnableWindow (c);
}

void SelectRangeDialog::OnKillfocusSlopeEdit() 
{
	CEdit *ebox;
	char str[20];
	int num;
	
	ebox=(CEdit *) GetDlgItem (IDC_SLOPE_EDIT);
	ebox->GetWindowText (str,20);

	num = atoi (str);
	if (num<0)
		num=0;
	if (num>255)
		num=255;

	SlopeAngle=num;
	
}

void SelectRangeDialog::OnInverseCheck() 
{
	
}

void SelectRangeDialog::OnTextureGridCheck() 
{
	// TODO: Add your control notification handler code here
	
}

void SelectRangeDialog::OnRandomCheck() 
{
	// TODO: Add your control notification handler code here
	
}

void SelectRangeDialog::OnSelectCurTextureCheck() 
{
	// TODO: Add your control notification handler code here
	
}