#include "guimodule.h"
#include "it_enum_list.h"

#define PN_IN 0
#define PN_IN2 1
#define PN_OUT 2
#define PN_OUT2 3

GuiModule::GuiModule(seGuiCallback seaudioMaster, void *p_resvd1) : SEGUI_base(seaudioMaster, p_resvd1)
{
    lastpin = 1;

    imChanged = false; // pay attention to pins now
}

void GuiModule::OnGuiPinValueChange(SeGuiPin *p_pin)
{
    if(imChanged) return; // i'm already changing pins; leave me alone

	imChanged = true; // okay, now i'm gonna change stuff, please don't interrupt me. hehe

	// first, check any 'parameters' that will affect our formula
	switch(p_pin->getIndex())
	{
        case PN_IN:
            inputA = getPin(PN_IN)->getValueFloat();
            lastpin = 1;
			break;
		case PN_IN2:
            outputA = getPin(PN_IN2)->getValueFloat();
            lastpin = 2;
			break;
		case PN_OUT:
            inputB = getPin(PN_OUT)->getValueFloat();
            lastpin = 3;
            break;
        case PN_OUT2:
            outputB = getPin(PN_OUT2)->getValueFloat();
            lastpin = 4;
            break;
    }

    switch(lastpin)
		{
		case 1: // inputA was last changed
            outputA = inputA;
            getPin(PN_IN2)->setValueFloat( outputA );
            break;
		case 2: // outputA was last pin to change
            inputA = outputA;
            getPin(PN_IN)->setValueFloat( inputA );
            break;
        case 3: // inputB was last changed
            outputB = inputB;
            getPin(PN_OUT2)->setValueFloat( outputB );
            break;
		case 4: // outputB was last pin to change
            inputB = outputB;
            getPin(PN_OUT)->setValueFloat( inputB );
            break;
		}

    imChanged = false; // now we're done, start paying attention to the pins again
}