/*==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/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/

#ifndef plConvert_inc
#define plConvert_inc

#include "hsTypes.h"
#include "hsTemplates.h"
#include "pnKeyedObject/plKey.h"

class plErrorMsg;
class plLocation;
class plMaxNode;
class plMessage;
class plLightMapGen;
class hsVertexShader;

class plConvertSettings
{
public:
    plConvertSettings() : fSceneViewer(false), fReconvert(false), fDoPreshade(true), fDoLightMap(true),
        fLightMapGen(nil), fVertexShader(nil), fPhysicalsOnly(false), fExportPage(nil) {}

    bool fSceneViewer;  // Are we converting this for the SceneViewer?
    bool fReconvert;    // Don't need to set, will be done internally by plConvert
    bool fDoPreshade;   // Doesn't do preshading if false (flat shades)
    bool fDoLightMap;   // Reuses available old lightmaps if false, else always generates fresh.
    bool fPhysicalsOnly;// Only solid physicals get meshes
    const char* fExportPage;    // If this isn't nil, only export objects in this page

    plLightMapGen*      fLightMapGen;
    hsVertexShader*     fVertexShader;
};

class plConvert
{
protected:
    hsBool              fQuit;
    plErrorMsg*         fpErrorMsg;
    Interface*          fInterface;
    plConvertSettings*  fSettings;
    hsTArray<plMessage*>    fMsgQueue;

    plConvert();
    hsBool              IMakeSceneObject(INode* node);
    plKey               IGetRoomKey(INode* node);
    plKey               INewRoom(INode* node, char roomName[]);
    hsBool              IOK();

public:
    static plConvert& Instance();
    UInt32 fWarned; 
    enum {
        kWarnedDecalOnBlendObj          = 0x1,
        kWarnedBadMaterialOnParticle    = 0x2,
        kWarnedBadParticle              = 0x4,
        kWarnedDecalAndNonDecal         = 0x8,
        kWarnedWrongProj                = 0x10,
        kWarnedMissingProj              = 0x20,
        kWarnedDecalOnNonDrawable       = 0x40,
        kWarnedTooManyParticles         = 0x80,
        kWarnedParticleVelAndOnePer     = 0x100,
        kWarnedPhysics                  = 0x200,
    };

    // Init the converter.  Only good for one call of Convert.
    hsBool Init(Interface *ip, plErrorMsg* msg, plConvertSettings *settings);
    void   DeInit();

    hsBool Convert();
    hsBool Convert(hsTArray<plMaxNode*>& nodes);    // Convert a set of nodes (for SceneViewer update)
    
    plMaxNode* GetRootNode();
    void SendEnvironmentMessage(plMaxNode* pNode, plMaxNode* efxRegion, plMessage* msg, hsBool ignorePhysicals = false); // iterates through scene to find nodes contained by the efxRegion
    void AddMessageToQueue(plMessage* msg);

    // Because components don't get the convert settings (too much work to retrofit all of them)
    plConvertSettings* GetConvertSettings() { return fSettings; }
    bool IsForSceneViewer() { return fSettings->fSceneViewer; }

    // Search for nodes with the same name.  Returns true if any are found and stops the export
    bool IFindDuplicateNames();
    // IFindDuplicateNames helper functions
    const char *ISearchNames(INode *node, INode *root);
    int ICountNameOccurances(INode *node, const char *name);
    // Does any pre-export generation necessary for distributors, then cleans up after export.
    BOOL IAutoClusterRecur(INode* node);
    BOOL IAutoUnClusterRecur(INode* node);
};


#endif // plSimpleConvert_inc