CWE-ou-minkata/Sources/Tools/MaxMain/plResetXform.cpp

/*==LICENSE==*

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

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Additional permissions under GNU GPL version 3 section 7

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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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*==LICENSE==*/

#include "HeadSpin.h"
#include "pnKeyedObject/plKey.h"

#include "MaxMain/plMaxNode.h"
#include "MaxComponent/plComponent.h"
#pragma hdrstop

#include "plResetXform.h"


void plResetXform::ResetSelected() const
{
    ResetSelectedRecur(GetCOREInterface()->GetRootNode());
}

void plResetXform::ResetSelectedRecur(INode* node) const
{
    if( !node )
        return;

    if( node->Selected() )
    {
        IResetNode(node);
    }
    int i;
    for( i = 0; i < node->NumberOfChildren(); i++ )
        ResetSelectedRecur(node->GetChildNode(i));
}

void plResetXform::IResetNode(INode* node) const
{
    const char* dbgNodeName = node->GetName();

    BOOL deleteIt = false;
    TriObject* oldObj = IGetTriObject(node, deleteIt);
    if( !oldObj )
        return;

    Mesh& oldMesh = oldObj->mesh;

    TimeValue t(0);

    Matrix3 nodeTM = node->GetNodeTM(t);

    Matrix3 objectTM = node->GetObjectTM(t);
    Matrix3 otm = objectTM * Inverse(nodeTM);

    Point3 u = nodeTM.GetRow(0);
    Point3 v = nodeTM.GetRow(1);
    Point3 w = CrossProd(u, v);
    v = CrossProd(w, u);

    u = Normalize(u);
    v = Normalize(v);
    w = Normalize(w);


    Matrix3 newXform(u, v, w, nodeTM.GetTrans());
    Matrix3 vtxXform = otm * nodeTM * Inverse(newXform) * Inverse(otm);

    TriObject* newObj = CreateNewTriObject();
    Mesh& newMesh = newObj->mesh;

    newMesh = oldMesh;

    int i;
    for( i = 0; i < newMesh.getNumVerts(); i++ )
    {
        Point3 p = vtxXform * newMesh.getVert(i);
        newMesh.getVert(i) = p;
    }

    if( nodeTM.Parity() )
    {
        for( i = 0; i < newMesh.getNumFaces(); i++ )
        {
            newMesh.FlipNormal(i);
        }

    }
    node->SetObjectRef(newObj);

    node->SetNodeTM(t, newXform);

    if( deleteIt )
        oldObj->DeleteThis();
}

TriObject* plResetXform::IGetTriObject(INode* node, BOOL& deleteIt) const
{
    Object *obj = node->EvalWorldState(TimeValue(0)).obj;
    if( !obj )
        return NULL;

    if( !obj->CanConvertToType( triObjectClassID ) )
        return NULL;

    // Convert to triMesh object
    TriObject   *meshObj = (TriObject*)obj->ConvertToType(TimeValue(0), triObjectClassID);
    if( !meshObj )
        return NULL;

    deleteIt = meshObj != obj;

    return meshObj;
}

void plSelectNonRenderables::ICollectNonDrawablesRecur(plMaxNode* node, INodeTab& nodeTab) const
{
    plComponentBase* comp = node->ConvertToComponent();
    if( comp )
        comp->CollectNonDrawables(nodeTab);

    int i;
    for( i = 0; i < node->NumberOfChildren(); i++ )
        ICollectNonDrawablesRecur((plMaxNode*)node->GetChildNode(i), nodeTab);
}

void plSelectNonRenderables::SelectNonRenderables() const
{
    INodeTab nodeTab;

    ICollectNonDrawablesRecur((plMaxNode*)GetCOREInterface()->GetRootNode(), nodeTab);

    INodeTab unhidden;
    int i;
    for( i = 0; i < nodeTab.Count(); i++ )
    {
        INode* node = nodeTab[i];
        if( !node->IsHidden() )
            unhidden.Append(1, &node);
    }

    theHold.Begin();


    TSTR undostr; 
    undostr.printf("SelNonRend");

    GetCOREInterface()->SelectNodeTab(unhidden, true, true);

    theHold.Accept(undostr);
}