CWE-ou-minkata/Sources/Plasma/FeatureLib/pfPython/cyCamera.cpp

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*==LICENSE==*/

#include <Python.h>
#include "plgDispatch.h"
#include "pyKey.h"
#include "hsResMgr.h"
#pragma hdrstop

#include "cyCamera.h"

#include "pnMessage/plCameraMsg.h"
#include "plMessage/plInputEventMsg.h"
#include "pnKeyedObject/plFixedKey.h"
#include "pnKeyedObject/plUoid.h"

#include "pfCamera/plVirtualCamNeu.h"
#include "pfCamera/plCameraModifier.h"
#include "pfCamera/plCameraBrain.h"

cyCamera::cyCamera()
{
    // get _the_ virtual camera
    plUoid pU( kVirtualCamera1_KEY );
    hsResMgr* hrm = hsgResMgr::ResMgr();
    if ( hrm)
        fTheCam = hrm->FindKey( pU );
    else
        fTheCam = nil;
}

// setters
void cyCamera::SetSender(plKey &sender)
{
    fSender = sender;
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : Push
//  PARAMETERS :
//
//  PURPOSE    : Save the current state of the virtual camera
//
// NOTE: doesn't work by itself at the moment
//
void cyCamera::Push(pyKey& newCamKey)
{
    // create message
    plCameraMsg* pMsg = new plCameraMsg;
    if ( fSender )
        pMsg->SetSender(fSender);

    // if we're sending to the virtual camera
    if ( fTheCam )
        pMsg->AddReceiver(fTheCam);
    else
        // otherwise, broadcast by type
        pMsg->SetBCastFlag(plMessage::kBCastByType);

    // set command to do the transition
    pMsg->SetCmd(plCameraMsg::kResponderTrigger);
    pMsg->SetCmd(plCameraMsg::kRegionPushCamera);
    // set the new camera
    pMsg->SetNewCam(newCamKey.getKey());

    plgDispatch::MsgSend( pMsg );   // whoosh... off it goes
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : Pop
//  PARAMETERS :
//
//  PURPOSE    : Restore the state of the virtual camera with a previously saved setting
//
void cyCamera::Pop(pyKey& oldCamKey)
{
    // create message
    plCameraMsg* pMsg = new plCameraMsg;
    if ( fSender )
        pMsg->SetSender(fSender);

    // if we're sending to the virtual camera
    if ( fTheCam )
        pMsg->AddReceiver(fTheCam);
    else
        // otherwise, broadcast by type
        pMsg->SetBCastFlag(plMessage::kBCastByType);

    // set command to undo the camera... somehow not saying ResponderTrigger but Push means Pop...whatever
    pMsg->SetCmd(plCameraMsg::kRegionPushCamera);
    // set the new camera
    pMsg->SetNewCam(oldCamKey.getKey());

    plgDispatch::MsgSend( pMsg );   // whoosh... off it goes
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : ControlKey
//  PARAMETERS : controlKey  - what command key to simulate being hit
//             : activate    - whether its being pressed or released (activated or deactivated)
//
//  PURPOSE    : Send controlKey commands to the virtual camera (should be like a pass thru)
//
void cyCamera::ControlKey(int32_t controlKey, bool activated)
{
    // make sure that we have a virtual camera to send this to
    if ( fTheCam )
    {
        plControlEventMsg* pMsg = new plControlEventMsg;
        // set sender if there is one
        if ( fSender )
            pMsg->SetSender(fSender);

        // if we're sending to the virtual camera
        pMsg->AddReceiver(fTheCam);

        // set the control key and activateFlag
        pMsg->SetControlCode((ControlEventCode)controlKey);
        pMsg->SetControlActivated(activated);

        plgDispatch::MsgSend( pMsg );   // whoosh... off it goes
    }
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : TransitionTo
//  PARAMETERS : newCamKey  - what to switch the camera to
//             : time       - how long it takes to transition to new camera
//
//  PURPOSE    : Transition to a new camera (position and settings)
//
void cyCamera::TransitionTo(pyKey& newCamKey, double time, bool save)
{
    if (fTheCam) {
        plCameraMsg* pMsg = new plCameraMsg;
        if (fSender)
            pMsg->SetSender(fSender);
        pMsg->SetCmd(plCameraMsg::kTransitionTo);
        pMsg->SetNewCam(newCamKey.getKey());
        pMsg->SetTransTime(time);
        if (save)
            pMsg->SetCmd(plCameraMsg::kPush);
        pMsg->Send(fTheCam);
    }
}

void cyCamera::SetEnableFirstPersonOverride(bool state) const
{
    // must have a receiver!
    if ( fTheCam )
    {
        // create message
        plCameraMsg* pMsg = new plCameraMsg;
        if ( fSender )
            pMsg->SetSender(fSender);

        pMsg->AddReceiver(fTheCam);
        // set command to do the transition
        pMsg->SetCmd(plCameraMsg::kPythonSetFirstPersonOverrideEnable);
        // set the state
        pMsg->SetActivated(state);

        plgDispatch::MsgSend( pMsg );   // whoosh... off it goes
    }
}


void cyCamera::UndoFirstPerson()
{
    if (fTheCam) {
        plCameraMsg* pMsg = new plCameraMsg;
        if (fSender)
            pMsg->SetSender(fSender);
        pMsg->SetCmd(plCameraMsg::kPythonUndoFirstPerson);
        pMsg->Send(fTheCam);
    }
}


float cyCamera::GetFOV()
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            plCameraModifier1* curCam = virtCam->GetCurrentCamera();
            if ( curCam )
            {
                return curCam->GetFOVh();
            }
        }
    }
    return 0.0;
}

void cyCamera::SetFOV(float fov, double t)
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            plCameraModifier1* curCam = virtCam->GetCurrentCamera();
            if ( curCam )
            {
                plCameraBrain1* camBrain = curCam->GetBrain();
                if (camBrain)
                {
                    camBrain->SetFOVGoal(0.f, fov, t);
                }
            }
        }
    }
}


void cyCamera::SetSmootherCam(bool state)
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            if (state)
            {
                virtCam->fUseAccelOverride = false;
            }
            else
            {
                virtCam->fAccel = 50.0;
                virtCam->fDecel = 50.0;
                virtCam->fVel = 100.0;
                virtCam->fUseAccelOverride = true;
            }

        }
    }
}

bool cyCamera::IsSmootherCam()
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            if ( virtCam->fUseAccelOverride )
                return false;
            else
                return true;
        }

    }
    return false;
}

void cyCamera::SetWalkAndVerticalPan(bool state)
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            if (state)
                virtCam->WalkPan3rdPerson = true;
            else
                virtCam->WalkPan3rdPerson = false;

        }
    }
}


bool cyCamera::IsWalkAndVerticalPan()
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            return virtCam->WalkPan3rdPerson;
        }
    }
    return false;
}


void cyCamera::SetStayInFirstPerson(bool state)
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            if (state)
                virtCam->StayInFirstPersonForever = true;
            else
                virtCam->StayInFirstPersonForever = false;
        }
    }
}

bool cyCamera::IsStayInFirstPerson()
{
    if ( fTheCam )
    {
        plVirtualCam1* virtCam = plVirtualCam1::ConvertNoRef( fTheCam->ObjectIsLoaded() );
        if ( virtCam )
        {
            return virtCam->StayInFirstPersonForever;
        }
    }
    return false;
}

void cyCamera::RefreshFOV()
{
    plCameraMsg* pMsg = new plCameraMsg();
    pMsg->SetSender(fSender);
    pMsg->SetCmd(plCameraMsg::kRefreshFOV);
    pMsg->Send(fTheCam);
}