/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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licensors of this Program grant you additional
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
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*==LICENSE==*/

#include "HeadSpin.h"
#include "plMaxNode.h"

#include "plPhysicalProps.h"
#include "plPhysical/plSimDefs.h"
// For plBoundsType
#include "pnSceneObject/plSimulationInterface.h"


#include "MaxExport/plErrorMsg.h"

/** These enums are used to indicate which parameters are ignorable and can
    be overridden.
    We can't use the "PhysFlags," below, for this, because those only cover boolean properties.
    *** We should use the same enum for both and just not worry that some of the enums aren't
        usable as "ignore" flags, -- the readability & simplification gain would be worth it. */
enum CanIgnore
{
    kMemberGroup                = 0x1,
    kBounceGroup                = 0x2,
    kReportGroup                = 0x4,
    kMass                       = 0x8,      
    kFriction                   = 0x10,
    kRestitution                = 0x20,
    kBoundsType                 = 0x40,
    kProxyNode                  = 0x80,
    kPinned                     = 0x100,
    kAlignToOwner               = 0x200,
    kCameraAvoid                = 0x400,
    kPhysAnim                   = 0x800,
    kCanIgnoreLOSBlockCamera    = 0x1000,
    kCanIgnoreLOSBlockUI        = 0x2000,
    kCanIgnoreLOSUIItem         = 0x4000,
    kCanIgnoreLOSBlockCustom    = 0x8000,
    kCanIgnoreLOSShootable      = 0x10000,
    kCanIgnoreLOSAvatarWalkable = 0x20000,
    kCanIgnoreLOSSwimRegion     = 0x40000,

    kAll                        = 0xffffffff
};

enum PhysFlags
{
    kFlagPinned             = 0x1,
    kFlagAlignToOwner       = 0x2,
    kFlagCameraAvoid        = 0x4,
    kFlagPhysAnim           = 0x8,
    kFlagStartInactive      = 0x10,
    kFlagNoSynchronize      = 0x20,
    kFlagLOSBlockCamera     = 0x40,
    kFlagLOSBlockUI         = 0x80,
    kFlagLOSUIItem          = 0x100,
    kFlagLOSBlockCustom     = 0x200,
    kFlagLOSShootable       = 0x400,
    kFlagLOSAvatarWalkable  = 0x800,
    kFlagLOSSwimRegion      = 0x1000,
};

plPhysicalProps::plPhysicalProps() :
    fUsed(),
    fCanIgnore(kAll),
    fGroup(),
    fReportGroup(),
    fMass(),
    fFriction(),
    fRestitution(),
    fBoundsType(plSimDefs::kHullBounds),
    fProxyNode(),
    fFlags(),
    fSubworld(),
    fNoSynchronize(),
    fStartInactive(),
    fAvAnimPushable()
{
}

bool plPhysicalProps::SetGroup(uint32_t group, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetParam(fGroup, group, kMemberGroup, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetReportGroup(uint32_t notifyGroup, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetParam(fReportGroup, notifyGroup, kReportGroup, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetMass(float mass, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    if(mass != 0.0f)
    {
        if (!GetPinned())
            node->SetMovable(true);
        node->SetForceLocal(true);
    }
    return ISetParam(fMass, mass, kMass, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetFriction(float friction, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetParam(fFriction, friction, kFriction, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetRestitution(float restitution, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetParam(fRestitution, restitution, kRestitution, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetBoundsType(int boundsType, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    hsAssert(boundsType >= 1 && boundsType < plSimDefs::kNumBounds, "Bad bounds type");
    return ISetParam(fBoundsType, boundsType, kBoundsType, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetProxyNode(plMaxNode *proxyNode, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    if( proxyNode )
        proxyNode->SetDrawable(false);

    return ISetParam(fProxyNode, proxyNode, kProxyNode, canIgnore, node, errMsg);
}

bool plPhysicalProps::IGetFlagParam(int flagType)
{
    return ((fFlags & flagType) != 0);
}

bool plPhysicalProps::ISetFlagParam(bool val, int flagType, int type, bool canIgnore, plMaxNode *node, plErrorMsg *errMsg)
{
    bool ourVal = IGetFlagParam(flagType);
    if (ISetParam(ourVal, val, type, canIgnore, node, errMsg))
    {
        if (ourVal)
            fFlags |= flagType;
        else
            fFlags &= ~flagType;
        return true;
    }
    
    return false;
}

bool plPhysicalProps::SetPinned(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagPinned, kPinned, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetLOSBlockCamera(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSBlockCamera, kCanIgnoreLOSBlockCamera, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetLOSBlockCamera()
{
    return IGetFlagParam(kFlagLOSBlockCamera);
}

bool plPhysicalProps::SetLOSBlockUI(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSBlockUI, kCanIgnoreLOSBlockUI, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetLOSBlockUI()
{
    return IGetFlagParam(kFlagLOSBlockUI);
}

bool plPhysicalProps::SetLOSUIItem(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSUIItem, kCanIgnoreLOSUIItem, canIgnore, node, errMsg); 
}

bool plPhysicalProps::GetLOSUIItem()
{
    return IGetFlagParam(kFlagLOSUIItem);
}

bool plPhysicalProps::SetLOSBlockCustom(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSBlockCustom, kCanIgnoreLOSBlockCustom, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetLOSBlockCustom()
{
    return IGetFlagParam(kFlagLOSBlockCustom);
}

bool plPhysicalProps::SetCameraAvoidFlag(bool allowLOS, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(allowLOS, kFlagCameraAvoid, kCameraAvoid, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetLOSShootable(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSShootable, kCanIgnoreLOSShootable, canIgnore, node, errMsg);
}
bool plPhysicalProps::GetLOSShootable()
{
    return IGetFlagParam(kFlagLOSShootable);
}

bool plPhysicalProps::SetLOSAvatarWalkable(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSAvatarWalkable, kCanIgnoreLOSAvatarWalkable, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetLOSAvatarWalkable()
{
    return IGetFlagParam(kFlagLOSAvatarWalkable);
}

bool plPhysicalProps::SetLOSSwimRegion(bool status, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(status, kFlagLOSSwimRegion, kCanIgnoreLOSSwimRegion, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetLOSSwimRegion()
{
    return IGetFlagParam(kFlagLOSSwimRegion);
}

//bool plPhysicalProps::SetUILOSFlag(bool allowLOS, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
//{
//  return ISetFlagParam(allowLOS, kFlagUILOS, kUILOS, canIgnore, node, errMsg);
//}

bool plPhysicalProps::SetAlignToOwner(bool alignToOwner, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(alignToOwner, kFlagAlignToOwner, kAlignToOwner, canIgnore, node, errMsg);
}

bool plPhysicalProps::SetSubworld(plMaxNode* subworld)
{
    // Note that we do *not* set fUsed, because we don't (necessarily) want a physical for this node.
    // We just want to remember that it is a subworld.
    fSubworld = subworld;
    return true;
}

bool plPhysicalProps::SetPhysAnim(bool anim, plMaxNode *node, plErrorMsg *errMsg, bool canIgnore)
{
    return ISetFlagParam(anim, kFlagPhysAnim, kPhysAnim, canIgnore, node, errMsg);
}

bool plPhysicalProps::GetPinned()
{
    return IGetFlagParam(kFlagPinned);
}

bool plPhysicalProps::GetCameraAvoid()
{
    return IGetFlagParam(kFlagCameraAvoid);
}

bool plPhysicalProps::GetAlignToOwner()
{
    return IGetFlagParam(kFlagAlignToOwner);
}

bool plPhysicalProps::GetPhysAnim()
{
    return IGetFlagParam(kFlagPhysAnim);
}

void plPhysicalProps::SetCanIgnore(uint32_t type, bool canIgnore)
{
    if (canIgnore)
        fCanIgnore |= type;
    else
        fCanIgnore &= ~type;
}

bool plPhysicalProps::CanIgnore(uint32_t type)
{
    return ((fCanIgnore & type) != 0);
}

void plPhysicalProps::IDisplayErrorMsg(plMaxNode *node, plErrorMsg *errMsg)
{
    if (!errMsg->IsBogus())
    {
        errMsg->Set(true,
            "Physics Conflict",
            ST::format(
                "The node \"{}\" has a conflict in its physical settings.\nMake sure the physical components on it are compatible.",
                node->GetName())
            ).Show();
    }
}
