MultiController.cpp

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/*  Project nGenEx
        Destroyer Studios LLC
        Copyright © 1997-2004. All Rights Reserved.

        SUBSYSTEM:    nGenEx.lib
        FILE:         MultiController.cpp
        AUTHOR:       John DiCamillo


        OVERVIEW
        ========
        MultiController Input class
*/

#include "MemDebug.h"
#include "MultiController.h"

// +--------------------------------------------------------------------+

MultiController::MultiController()
: x(0), y(0), z(0), p(0), r(0), w(0), c(0), p1(0), r1(0), w1(0), t(0)
{
        for (int i = 0; i < MotionController::MaxActions; i++)
        action[i] = 0;

        nctrl = 0;
        for (int i = 0; i < 4; i++)
        ctrl[i] = 0;
}

MultiController::~MultiController()
{
        for (int i = 0; i < 4; i++)
        delete ctrl[i];
}

// +--------------------------------------------------------------------+

void
MultiController::AddController(MotionController* c)
{
        if (nctrl < 4 && c)
        ctrl[nctrl++] = c;
}

void
MultiController::MapKeys(KeyMapEntry* mapping, int nkeys)
{
        for (int i = 0; i < nctrl; i++)
        ctrl[i]->MapKeys(mapping, nkeys);
}

int
MultiController::GetSwapYawRoll() const
{
        if (nctrl)
        return ctrl[0]->GetSwapYawRoll();

        return 0;
}

void
MultiController::SwapYawRoll(int swap)
{
        for (int i = 0; i < nctrl; i++)
        ctrl[i]->SwapYawRoll(swap);
}

// +--------------------------------------------------------------------+

inline void clamp(double& x) { if (x<-1)x=-1; else if (x>1)x=1; }

void
MultiController::Acquire()
{
        t = x = y = z = p = r = w = c = 0;

        for (int i = 0; i < MotionController::MaxActions; i++)
        action[i] = 0;

        for (int i = 0; i < nctrl; i++) {
                ctrl[i]->Acquire();

                x += ctrl[i]->X();
                y += ctrl[i]->Y();
                z += ctrl[i]->Z();

                r += ctrl[i]->Roll();
                p += ctrl[i]->Pitch();
                w += ctrl[i]->Yaw();
                c += ctrl[i]->Center();
                t += ctrl[i]->Throttle();
                
                for (int a = 0; a < MotionController::MaxActions; a++)
                action[a] += ctrl[i]->Action(a);
        }

        clamp(x);
        clamp(y);
        clamp(z);
        clamp(r);
        clamp(p);
        clamp(w);
        clamp(t);
}

// +--------------------------------------------------------------------+

void
MultiController::SetThrottle(double throttle)
{
        for (int i = 0; i < nctrl; i++)
        ctrl[i]->SetThrottle(throttle);
}

// +--------------------------------------------------------------------+

int
MultiController::ActionMap(int key)
{
        for (int i = 0; i < nctrl; i++) {
                int result = ctrl[i]->ActionMap(key);

                if (result)
                return result;
        }

        return 0;
}