using System;
using System.Drawing;
using System.Windows.Forms;
namespace SpriteWave
{
public partial class InputWindow : TileWindow
{
private byte[] _contents;
// camera offset, number of visible tiles
int _row;
protected Position _vis;
public override SizeF TileDimensions
{
get {
return new SizeF(
(float)_window.Width / (float)_vis.col,
(float)_window.Height / (float)_vis.row
);
}
}
public override Rectangle VisibleCollageBounds
{
get
{
return new Rectangle(
0,
_row * _cl.TileH,
_vis.col * _cl.TileW,
_vis.row * _cl.TileH
);
}
}
public InputControlsTab ControlsTab { get { return this["Controls"] as InputControlsTab; } }
public Tile TileSample
{
set {
var input = ControlsTab;
if (input != null)
input.Sample = TileBitmap(value);
}
}
public InputWindow(MainForm main)
: base(main)
{
_row = 0;
_vis = new Position(0, 0);
DeleteFrame();
}
public void Load(MainForm main, FileFormat fmt, byte[] file, int offset = 0)
{
_selPos = new Position(0, 0);
Selected = false;
_contents = file;
_cl = new Collage(fmt);
_cl.LoadTiles(_contents, offset);
Render();
Activate(main.toolBox);
ControlsTab.SizeText = file.Length;
TileSample = null;
ResetScroll();
}
public void Load(int offset)
{
if (offset < 0 || offset >= _contents.Length)
return;
_selPos = new Position(0, 0);
Selected = false;
TileSample = null;
if (_cl != null && _contents != null)
{
_cl.LoadTiles(_contents, offset);
Render();
}
ResetScroll();
Draw();
}
public override void Scroll(float dx, float dy)
{
if (_cl == null)
return;
int lastRow = _cl.Rows - _vis.row;
_row += (int)dy;
_row = _row.Between(0, lastRow);
Draw();
}
public override void ScrollTo(float x, float y)
{
Scroll(0, (int)y - _row);
}
public void ResetScroll()
{
AdjustWindow();
_scrollY.Reset();
ScrollTo(0, 0);
}
public override void UpdateBars()
{
if (_cl != null)
_scrollY.Inform(_row, _vis.row, 0, _cl.Rows);
}
public override Position GetPosition(int x, int y, out bool wasOob)
{
wasOob = false;
SizeF tileSc = TileDimensions;
var pos = new Position(
(int)((float)x / tileSc.Width),
(int)((float)y / tileSc.Height)
);
pos.row += _row;
return pos;
}
public override void MoveSelection(int dCol, int dRow)
{
base.MoveSelection(dCol, dRow);
if (_selPos.row >= _row + _vis.row)
{
_row = _selPos.row - _vis.row + 1;
UpdateBars();
}
else if (_selPos.row < _row)
{
_row = _selPos.row;
UpdateBars();
}
}
public override RectangleF PieceHitbox(Position p)
{
int col = p.col;
int row = p.row - _row;
SizeF tileSc = TileDimensions;
return new RectangleF(
(float)col * tileSc.Width,
(float)row * tileSc.Height,
(int)tileSc.Width + 1,
(int)tileSc.Height + 1
);
}
public override void AdjustWindow(int width = 0, int height = 0)
{
if (_cl == null || _window == null)
return;
int wndW = width > 0 ? width : _window.Width;
int wndH = height > 0 ? height : _window.Height;
if (wndW <= 0 || wndH <= 0)
return;
float thF = (float)_cl.TileH;
float scaleX = (float)wndW / (float)_cl.Width;
// The number of visible rows is the foundation from which all InputWindow sizing is based
float visRowsF = (float)wndH / (scaleX * thF);
visRowsF = (float)Math.Round(visRowsF);
_vis.row = (int)visRowsF;
int rows = _cl.Rows;
bool scroll = true;
if (_vis.row > rows)
{
scroll = false;
_vis.row = rows;
wndH = (int)((float)_vis.row * thF * scaleX);
}
if (_row + _vis.row > rows)
_row = Math.Max(rows - _vis.row, 0);
_window.Width = wndW;
if (wndH <= _window.Height)
_window.Height = wndH;
_scrollY.Visible = scroll;
}
public override void DrawGrid(Graphics g)
{
int wndW = _window.Width;
int wndH = _window.Height;
Pen p = _cl.GridPen;
// Draw vertical margins
float tlW = (float)wndW / (float)_vis.col;
for (int i = 0; i < _vis.col - 1; i++)
{
float x = (float)(i + 1) * tlW;
g.DrawLine(p, x, 0, x, wndH);
}
// Draw horizontal margins
float tlH = (float)wndH / (float)_vis.row;
for (int i = 0; i < _vis.row - 1; i++)
{
float y = (float)(i + 1) * tlH;
g.DrawLine(p, 0, y, wndW, y);
}
}
protected override void windowScrollAction(object sender, MouseEventArgs e)
{
Scroll(0, -e.Delta / 120);
UpdateBars();
}
protected override void yScrollAction(object sender, ScrollEventArgs e)
{
ScrollTo(0, e.NewValue);
}
}
}
