// Delete circuit gate
public void deleteCircuitGate(Circuit circuit, Gate gate)
{
// Disconnect gate connections
foreach (Gate input in gate.inputs)
input.outputs.Remove(gate);
foreach (Gate output in gate.outputs)
output.inputs.Remove(gate);
// Remove gate from circuit
circuit.gates.Remove(gate);
// Deselect gate
_view.deselectGate();
}
// Select gate
public void selectGate(Gate gate)
{
_selectedGate = gate;
gateAddButton.Enabled = false;
}
// Deselect gate
public void deselectGate()
{
_selectedGate = null;
gateAddButton.Enabled = true;
}
// Add gate button clicked
private void gateAddButton_Click(object sender, EventArgs e)
{
System.Diagnostics.Debug.Assert(selectedCircuit != null);
SelectGateType selectGateTypeForm = new SelectGateType();
if (selectGateTypeForm.ShowDialog() == DialogResult.OK)
{
Gate gate = new Gate(selectedCircuit, _controller.getUnusedGateID(selectedCircuit), selectGateTypeForm.gateType, _controller.getWorldMouse());
selectedCircuit.gates.Add(gate);
_selectedGate = gate;
}
}
// Selected circuit changed
private void circuitsList_SelectedValueChanged(object sender, EventArgs e)
{
// Clear any selected gates
_selectedGate = null;
// Enable buttons
circuitDeleteButton.Enabled = selectedCircuit != null;
gateAddButton.Enabled = selectedCircuit != null && _selectedGate == null;
}
public CircuitOutputConnection(EditorCircuitActor circuitActor, EditorActor actor, Gate gate, GameEventType onEnabledEvent, GameEventType onDisabledEvent)
: base(circuitActor, actor, gate, "output")
{
_onEnabledEvent = onEnabledEvent;
_onDisabledEvent = onDisabledEvent;
}
// Key down
void Parent_KeyDown(object sender, KeyEventArgs e)
{
Circuit circuit = _view.selectedCircuit;
if (circuit == null)
return;
if (_view.keysEnabled)
{
if (e.KeyCode == Keys.Shift || e.KeyCode == Keys.ShiftKey || e.KeyCode == Keys.LShiftKey || e.KeyCode == Keys.RShiftKey)
_view.controller.shift = true;
else if (e.KeyCode == Keys.Control || e.KeyCode == Keys.ControlKey || e.KeyCode == Keys.LControlKey || e.KeyCode == Keys.RControlKey)
_view.controller.ctrl = true;
if (e.KeyCode == Keys.Escape)
{
_view.deselectGate();
_inputSource = null;
}
else if (e.KeyCode == Keys.Delete)
{
if (_view.selectedGate != null)
{
// Remove selected gate
_controller.deleteCircuitGate(circuit, _view.selectedGate);
}
else
{
// Hit test gates and try to remove one
float maxDistance = 20f / _view.controller.getScale();
foreach (Gate gate in circuit.gates)
{
if ((_view.controller.getWorldMouse() - gate.position).Length() <= maxDistance)
{
_controller.deleteCircuitGate(circuit, gate);
return;
}
}
// Hit test connections and try to remove one
Gate gateA = null;
Gate gateB = null;
foreach (Gate gate in circuit.gates)
{
foreach (Gate output in gate.outputs)
{
if (connectionHitTest(gate, output))
{
gateA = gate;
gateB = output;
break;
//_controller.disconnectGates(gate, output);
}
}
}
if (gateA != null && gateB != null)
_controller.disconnectGates(gateA, gateB);
}
}
}
}
// Hit test connections
private bool connectionHitTest(Gate gateA, Gate gateB)
{
Vector2 worldMouse = _controller.getWorldMouse();
// Treat line as a thin box
Vector2 boxCenter = (gateA.position + gateB.position) / 2;
Vector2 linkRelative = gateB.position - gateA.position;
float boxHalfWidth = linkRelative.Length() / 2;
float boxHalfHeight = 0.15f;
float angle = (float)Math.Atan2(linkRelative.Y, linkRelative.X);
// Get the mouse position relative to the box's center
Vector2 relative = boxCenter - worldMouse;
// Rotate the relative mouse position by the negative angle of the box
Vector2 alignedRelative = Vector2.Transform(relative, Matrix.CreateRotationZ(-angle));
// Get the local, cartiasian-aligned bounding-box
Vector2 topLeft = -(new Vector2(boxHalfWidth, boxHalfHeight));
Vector2 bottomRight = -topLeft;
// Check if the relative mouse point is inside the bounding box
Vector2 d1, d2;
d1 = alignedRelative - topLeft;
d2 = bottomRight - alignedRelative;
// One of these components will be less than zero if the alignedRelative position is outside of the bounds
if (d1.X < 0 || d1.Y < 0)
return false;
if (d2.X < 0 || d2.Y < 0)
return false;
return true;
}
// Mouse down
void CircuitDisplay_MouseDown(object sender, MouseEventArgs e)
{
Circuit circuit = _view.selectedCircuit;
if (circuit == null)
return;
// Hit test gates
Gate target = hitTestGates(circuit, _controller.getWorldMouse());
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (_view.selectedGate == null && target != null)
{
// Select target
_view.selectGate(target);
}
else if (_view.selectedGate != null)
{
// Drop selected gate
_view.deselectGate();
}
}
else if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
if (target != null)
{
if (_inputSource == null)
{
// Set input source
_inputSource = target;
}
else
{
// Set output
bool setOutput = false;
switch (target.type)
{
case "input":
setOutput = false;
break;
case "output":
setOutput = target.inputs.Count < 1;
break;
case "and":
setOutput = target.inputs.Count < 2;
break;
case "or":
setOutput = target.inputs.Count < 2;
break;
case "not":
setOutput = target.inputs.Count < 1;
break;
}
if (setOutput)
{
_inputSource.outputs.Add(target);
target.inputs.Add(_inputSource);
_inputSource = null;
}
}
}
else
{
// Clear input source
_inputSource = null;
}
}
}
// Disconect gates
public void disconnectGates(Gate gateA, Gate gateB)
{
gateA.outputs.Remove(gateB);
gateB.inputs.Remove(gateA);
}