/// <summary>
/// Processes mouse events for combo editing.
/// </summary>
/// <param name="otherRow">Mouse event args for a mouse event.</param>
private void ProcessMouse(MouseEventArgs e) {
if (!new Rectangle(0, 0, Width, Height).Contains(e.X, e.Y))
return;
if(e.Button == MouseButtons.Left) {
if(ModifierKeys == Keys.Control) { // Copy entire combo from tiles
int Combo = e.X / 16 + (e.Y / 16) * 16;
CreateComboAutomatically(Combo);
canDrawWholeCombo = false; // See XML summary
} else if(ModifierKeys == Keys.Shift) { // Copy single tile
int tileX = e.X / 8;
int tileY = (e.Y + _ScrollPos * 16) / 8;
int Combo = tileX / 2 + (tileY / 2) * 16;
int tile = tileX % 2 + 2 * (tileY % 2);
// Chain combo edits from a single mouse stroke into a single action
if (chainCombo == null)
chainCombo = Program.Actions.ModifyCombo(level, Combo, tile, _CurrentTile);
else {
chainCombo = chainCombo.CreateChainableAction(Combo, tile, _CurrentTile);
}
Program.PerformAction(chainCombo);
////int ComboTileX = destTileX % 2;
////int ComboTileY = destTileY % 2;
////Combo ClickedCombo = _Combos[Combo];
////ClickedCombo[ComboTileX + ComboTileY * 2] = _CurrentTile;
////// Show changes
////DrawCombo(otherRow.xTile / 16, otherRow.yTile / 16);
////this.Invalidate(new Rectangle((otherRow.xTile / 16) * 16,
//// (otherRow.yTile / 16) * 16,
//// 16, 16));
isDrawing = true;
}
} else if(e.Button == MouseButtons.Right) {
// On right click, select the clicked combo for painting
int tileX = e.X / 8;
int tileY = (e.Y + _ScrollPos * 16) / 8;
int Combo = tileX / 2 + (tileY / 2) * 16;
int ComboTileX = tileX % 2;
int ComboTileY = tileY % 2;
Combo ClickedCombo = _Combos[Combo];
_CurrentTile = ClickedCombo[ComboTileX + ComboTileY * 2];
if(UserGrabbedCombo != null)
UserGrabbedCombo(this, null);
}
}
/// <summary>
/// Assembles a combo from the selected tile and the three following it.
/// </summary>
/// <param name="Combo">Index of the combo to overwrite.</param>
private void CreateComboAutomatically(int Combo) {
Combo comboToEdit = _Combos[Combo];
// Isolate this action from other combo actions
BreakActionChain();
// Note the side effect in the conditional statements below.
// They cause each action to be chained off the previous action.
ModifyCombo action = Program.Actions.ModifyCombo(level, Combo, 0, _CurrentTile);
Program.PerformAction(action);
comboToEdit[0] = (byte)_CurrentTile;
if (_CurrentTile < 254)
Program.PerformAction(action = action.CreateChainableAction(Combo, 1, _CurrentTile + 1));
if (_CurrentTile < 253)
Program.PerformAction(action = action.CreateChainableAction(Combo, 2, _CurrentTile + 2));
if (_CurrentTile < 252)
Program.PerformAction(action = action.CreateChainableAction(Combo, 3, _CurrentTile + 3));
BreakActionChain();
}
void BreakActionChain() {
chainCombo = null;
}