/*==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,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

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==*/
#include "HeadSpin.h"

#include "hsWindows.h"
#include <commdlg.h>

#include "max.h"
#include "meshdlib.h" 
#include "stdmat.h"
#include "bmmlib.h"
#include "resource.h"
#include "plComponent.h"
#include "plComponentReg.h"
#include "MaxMain/plPlasmaRefMsgs.h"

#include "MaxMain/plMaxNode.h"
#include "MaxExport/plExportProgressBar.h"
#include "MaxExport/plExportErrorMsg.h"

#include "MaxPlasmaMtls/Layers/plLayerTex.h"

#include "hsTypes.h"

#include "MaxConvert/plDistributor.h"
#include "MaxConvert/plDistTree.h"

#include "plDistribComponent.h"

void DummyCodeIncludeFuncDistrib()
{
    extern void DummyCodeIncludeFuncDistrib_old();
    DummyCodeIncludeFuncDistrib_old();
}

struct plIsoTypeStringValPair
{
    plDistributor::IsoType          fValue;
    const char*                     fString;
};

static const int kNumSeparations = 4;
static plIsoTypeStringValPair kSeparationStrings[kNumSeparations] =
{
    { plDistributor::kIsoNone, "None" },
    { plDistributor::kIsoLow, "Low" },
    { plDistributor::kIsoMedium, "Medium" },
    { plDistributor::kIsoHigh, "High" }
};

struct plConformTypeStringValPair
{
    plDistributor::ConformType      fValue;
    const char*                     fString;
};

static const int kNumConforms = 5;
static plConformTypeStringValPair kConformStrings[kNumConforms] =
{
    { plDistributor::kConformNone, "None" },
    { plDistributor::kConformCheck, "Check" },
    { plDistributor::kConformAll, "All Verts" },
    { plDistributor::kConformHeight, "Bottom" },
    { plDistributor::kConformBase, "Base" }
};

struct plColorChanStringValPair
{
    plDistributor::ColorChan        fValue;
    const char*                     fString;
};

static const int kNumColorChanOptions = 13;
static plColorChanStringValPair kProbColorChanStrings[kNumColorChanOptions] =
{
    { plDistributor::kRed, "Red" },
    { plDistributor::kGreen, "Green" },
    { plDistributor::kBlue, "Blue" },
    { plDistributor::kAlpha, "Alpha" },
    { plDistributor::kAverageRedGreen, "Avg(R,G)" },
    { plDistributor::kAverageRedGreenTimesAlpha, "Avg(R,G)xA" },
    { plDistributor::kAverage, "Avg(R,G,B)" },
    { plDistributor::kAverageTimesAlpha, "Avg(R,G,B)xA" },
    { plDistributor::kMax, "Max(R,G,B)" },
    { plDistributor::kMaxColor, "Max(R,G,B)" },
    { plDistributor::kMaxColorTimesAlpha, "Max(R,G,B)xA" },
    { plDistributor::kMaxRedGreen, "Max(R,G)" },
    { plDistributor::kMaxRedGreenTimesAlpha, "Max(R,G)xA" }
};

/////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
#define WM_ROLLOUT_OPEN WM_USER+1

class plRollupMgrProc : public ParamMap2UserDlgProc
{
public:
    plRollupMgrProc(int iRoll) : fRollup(iRoll), fGotState(false) {}
protected:
    int     fIdx;
    BOOL    fGotState;
    int     fRollup;

    BOOL IHandleRollupState(IParamMap2* map, HWND hWnd, UINT msg)
    {
        return false;

        char buff[256];
        IRollupWindow *rollup = GetCOREInterface()->GetCommandPanelRollup();
        sprintf(buff, "%d\t%x\t%x\n", fRollup, rollup->GetPanelIndex(hWnd), msg);
        hsStatusMessage(buff);

        if( msg == 0x18 )
        {

        if( msg == WM_CLOSE )
        {
            fGotState = false;
        }
        else
        if( !fGotState )
        {
            fGotState = ISetRollupState(map, hWnd);
        }
        else
        {
            IRecordRollupState(map, hWnd);
        }

        }
        return FALSE;
    }

    void IRecordRollupState(IParamMap2* map, HWND hWnd)
    {
        IRollupWindow *rollup = GetCOREInterface()->GetCommandPanelRollup();
        int idx = rollup->GetPanelIndex(hWnd);
        if( idx >= 0 )
        {
            int state = map->GetParamBlock()->GetInt(plDistribComponent::kRollupState);
            if( rollup->IsPanelOpen(idx) )
                state |= (1 << fRollup);
            else
                state &= ~(1 << fRollup);
            map->GetParamBlock()->SetValue(plDistribComponent::kRollupState, TimeValue(0), state);
        }

    }
    BOOL ISetRollupState(IParamMap2* map, HWND hWnd)
    {
        IRollupWindow *rollup = GetCOREInterface()->GetCommandPanelRollup();
        int idx = rollup->GetPanelIndex(hWnd);
        if( idx >= 0 )
        {
            int state = map->GetParamBlock()->GetInt(plDistribComponent::kRollupState);
            rollup->SetPanelOpen(idx, 0 != (state & (1 << fRollup)));

            return true;
        }
        return false;
    }
};

class plDistCompNilProc : public plRollupMgrProc
{
public:
    plDistCompNilProc(int iRoll) : plRollupMgrProc(iRoll) {}

    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);
        return FALSE;
    }
    void DeleteThis() {}
};

class plDistCompActionProc : public plRollupMgrProc
{
public:
    plDistCompActionProc() : plRollupMgrProc(plDistribComponent::kRollAction) {}

    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {
        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);
            break;

        case WM_COMMAND:
            if( (HIWORD(wParam) == BN_CLICKED) && (LOWORD(wParam) == IDC_DISTRIB_CLEAR) )
            {
                plDistribComponent* dc = (plDistribComponent*)map->GetParamBlock()->GetOwner();
                dc->Clear();

                return TRUE;
            }
            if( (HIWORD(wParam) == BN_CLICKED) && (LOWORD(wParam) == IDC_DISTRIB_PREVIEW) )
            {
                plDistribComponent* dc = (plDistribComponent*)map->GetParamBlock()->GetOwner();
                dc->Preview();

                return TRUE;
            }
        }
        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompActionProc gDistCompActionProc;

class plDistCompSpaceProc : public plRollupMgrProc
{
private:
public:
    plDistCompSpaceProc() : plRollupMgrProc(plDistribComponent::kRollSpacing) {}

    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {

        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);

            cbox = GetDlgItem(hWnd, IDC_COMP_DISTRIB_SEPARATION);
            int i;
            for( i = 0; i < kNumSeparations; i++ )
            {
                SendMessage(cbox, CB_ADDSTRING, 0, (LPARAM)kSeparationStrings[i].fString);
            }
            SendMessage(cbox, CB_SETCURSEL, map->GetParamBlock()->GetInt(plDistribComponent::kSeparation), 0);

            return TRUE;
        case WM_COMMAND:
            switch( LOWORD(wParam) )
            {
            case IDC_COMP_DISTRIB_SEPARATION:
                {
                    map->GetParamBlock()->SetValue(plDistribComponent::kSeparation, t, SendMessage(GetDlgItem(hWnd, LOWORD(wParam)), CB_GETCURSEL, 0, 0));
                    return TRUE;
                }
                break;
            }
            break;
        }
        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompSpaceProc gDistCompSpaceProc;

class plDistCompConformProc : public plRollupMgrProc
{
private:
public:
    plDistCompConformProc() : plRollupMgrProc(plDistribComponent::kRollConform) {}
    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {

        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);

            cbox = GetDlgItem(hWnd, IDC_COMP_DISTRIB_CONFORMTYPE);
            int i;
            for( i = 0; i < kNumConforms; i++ )
            {
                SendMessage(cbox, CB_ADDSTRING, 0, (LPARAM)kConformStrings[i].fString);
            }
            SendMessage(cbox, CB_SETCURSEL, map->GetParamBlock()->GetInt(plDistribComponent::kConformType), 0);

            return TRUE;
        case WM_COMMAND:
            switch( LOWORD(wParam) )
            {
            case IDC_COMP_DISTRIB_CONFORMTYPE:
                {
                    map->GetParamBlock()->SetValue(plDistribComponent::kConformType, t, SendMessage(GetDlgItem(hWnd, LOWORD(wParam)), CB_GETCURSEL, 0, 0));
                    return TRUE;
                }
                break;
            }
            break;
        }

        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompConformProc gDistCompConformProc;

class plDistCompScaleProc : public plRollupMgrProc
{
private:
    void ISetupScaleLock(IParamMap2* map, BOOL onInit=false)
    {
        IParamBlock2 *pb = map->GetParamBlock();
        if( pb->GetInt(plDistribComponent::kLockScaleXYZ) )
        {
            map->Enable(plDistribComponent::kLockScaleXY, FALSE);

            map->Enable(plDistribComponent::kScaleLoY, FALSE);
            map->Enable(plDistribComponent::kScaleHiY, FALSE);

            map->Enable(plDistribComponent::kScaleLoZ, FALSE);
            map->Enable(plDistribComponent::kScaleHiZ, FALSE);
        }
        else if( pb->GetInt(plDistribComponent::kLockScaleXY) )
        {
            map->Enable(plDistribComponent::kLockScaleXY, TRUE);

            map->Enable(plDistribComponent::kScaleLoY, FALSE);
            map->Enable(plDistribComponent::kScaleHiY, FALSE);

            map->Enable(plDistribComponent::kScaleLoZ, TRUE);
            map->Enable(plDistribComponent::kScaleHiZ, TRUE);
        }
        else
        {
            map->Enable(plDistribComponent::kLockScaleXY, TRUE);

            map->Enable(plDistribComponent::kScaleLoY, TRUE);
            map->Enable(plDistribComponent::kScaleHiY, TRUE);

            map->Enable(plDistribComponent::kScaleLoZ, TRUE);
            map->Enable(plDistribComponent::kScaleHiZ, TRUE);
        }
        if( onInit )
        {
            map->SetTooltip(plDistribComponent::kLockScaleXY, TRUE, "Lock scale in X and Y" );
            map->SetTooltip(plDistribComponent::kLockScaleXYZ, TRUE, "Lock scale in X, Y and Z (uniform scale)" );
        }
    }
public:
    plDistCompScaleProc() : plRollupMgrProc(plDistribComponent::kRollScale) {}

    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {

        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);

            ISetupScaleLock(map, true);

            return TRUE;
        case WM_COMMAND:
            switch( LOWORD(wParam) )
            {
                case IDC_COMP_DISTRIB_LOCKSCALEXY:
                case IDC_COMP_DISTRIB_LOCKSCALEXYZ:
                    ISetupScaleLock(map, false);
                    return TRUE;
            }
            break;
        }

        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompScaleProc gDistCompScaleProc;

class plDistCompBitmapProc : public plRollupMgrProc
{
private:
public:
    plDistCompBitmapProc() : plRollupMgrProc(plDistribComponent::kRollBitmap) {}
    BOOL DlgProc(TimeValue t, IParamMap2 *map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {
        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);

            cbox = GetDlgItem(hWnd, IDC_COMP_DISTRIB_PROBCOLORCHAN);
            int i;
            for( i = 0; i < kNumColorChanOptions; i++ )
            {
                SendMessage(cbox, CB_ADDSTRING, 0, (LPARAM)kProbColorChanStrings[i].fString);
            }
            SendMessage(cbox, CB_SETCURSEL, map->GetParamBlock()->GetInt(plDistribComponent::kProbColorChan), 0);
            return TRUE;

        case WM_COMMAND:
            switch( LOWORD(wParam) )
            {
                case IDC_COMP_DISTRIB_PROBCOLORCHAN:
                {
                    map->GetParamBlock()->SetValue(plDistribComponent::kProbColorChan, t, SendMessage(GetDlgItem(hWnd, LOWORD(wParam)), CB_GETCURSEL, 0, 0));
                    return TRUE;
                }
                break;
            }
            break;
        }
        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompBitmapProc gDistCompBitmapProc;

class plDistCompFadeProc : public plRollupMgrProc
{
private:
public:
    plDistCompFadeProc() : plRollupMgrProc(plDistribComponent::kRollFade) {}
    BOOL DlgProc(TimeValue t, IParamMap2* map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
    {
        IHandleRollupState(map, hWnd, msg);

        HWND cbox = NULL;
        switch (msg)
        {
        case WM_INITDIALOG:
            PostMessage(hWnd, WM_ROLLOUT_OPEN, 0, 0);
            break;

        case WM_COMMAND:
            switch( LOWORD(wParam) )
            {
                case IDC_COMP_DISTRIB_FADEINACTIVE:
                case IDC_COMP_DISTRIB_FADEINTRAN:
                case IDC_COMP_DISTRIB_FADEINOPAQ:
                case IDC_COMP_DISTRIB_FADEOUTTRAN:
                case IDC_COMP_DISTRIB_FADEOUTOPAQ:
                case IDC_COMP_DISTRIB_FADEINTRAN_SPIN:
                case IDC_COMP_DISTRIB_FADEINOPAQ_SPIN:
                case IDC_COMP_DISTRIB_FADEOUTTRAN_SPIN:
                case IDC_COMP_DISTRIB_FADEOUTOPAQ_SPIN:
                {
                    plDistribComponent* dc = (plDistribComponent*)map->GetParamBlock()->GetOwner();
                    Box3 fade;
                    if( !dc->IValidateFade(fade) )
                    {
                        map->GetParamBlock()->SetValue(plDistribComponent::kFadeInTran, t, fade.Min()[0]);
                        map->GetParamBlock()->SetValue(plDistribComponent::kFadeInOpaq, t, fade.Min()[1]);
                        map->GetParamBlock()->SetValue(plDistribComponent::kFadeOutTran, t, fade.Max()[0]);
                        map->GetParamBlock()->SetValue(plDistribComponent::kFadeOutOpaq, t, fade.Max()[1]);

                        map->Invalidate(plDistribComponent::kFadeInTran);
                        map->Invalidate(plDistribComponent::kFadeInOpaq);
                        map->Invalidate(plDistribComponent::kFadeOutTran);
                        map->Invalidate(plDistribComponent::kFadeOutOpaq);
                        ShowWindow(hWnd, SW_HIDE);
                        ShowWindow(hWnd, SW_SHOW);
                    }
                    return TRUE;
                }
                break;
            }
            break;

        }
        return FALSE;
    }
    void DeleteThis() {}
};
static plDistCompFadeProc gDistCompFadeProc;



//Max desc stuff necessary below.
CLASS_DESC(plDistribComponent, gDistribCompDesc, "Distributor",  "Distributor", COMP_TYPE_DISTRIBUTOR, DISTRIBUTOR_COMP_CID)

class plDistribCompAccessor : public PBAccessor
{
public:
    void Set(PB2Value& v, ReferenceMaker* owner, ParamID id, int tabIndex, TimeValue t)
    {
        if( id == plDistribComponent::kTemplates )
        {
            plDistribComponent *comp = (plDistribComponent*)owner;
            comp->NotifyDependents(FOREVER, PART_ALL, REFMSG_USER_COMP_REF_CHANGED);
        }
    }
};
plDistribCompAccessor gDistribCompAccessor;

plDistCompNilProc gDistCompTemplatesProc(plDistribComponent::kRollTemplates);
plDistCompNilProc gDistCompOrientProc(plDistribComponent::kRollOrient);
plDistCompNilProc gDistCompAngProbProc(plDistribComponent::kRollAngProb);
plDistCompNilProc gDistCompAltProbProc(plDistribComponent::kRollAltProb);
plDistCompNilProc gDistCompWindProc(plDistribComponent::kRollWind);
plDistCompNilProc gDistCompRandomizeProc(plDistribComponent::kRollRandomize);

//const int kROLLUP_START = 0;
const int kROLLUP_START = APPENDROLL_CLOSED | DONTAUTOCLOSE;

ParamBlockDesc2 gDistributorBk
(   // KLUDGE: not the defined block ID, but kept for backwards compat.
 plComponent::kBlkComp, _T("Distributor"), 0, &gDistribCompDesc, P_AUTO_CONSTRUCT + P_AUTO_UI + P_MULTIMAP, plComponent::kRefComp,

    // Roll Out the red carpet.
    plDistribComponent::kNumRollups,
        plDistribComponent::kRollTemplates, IDD_COMP_DIST_TEMPLATES, IDS_COMP_DIST_TEMPLATES, 0, 0, &gDistCompTemplatesProc,
        plDistribComponent::kRollSpacing, IDD_COMP_DIST_SPACING, IDS_COMP_DIST_SPACING, 0, kROLLUP_START, &gDistCompSpaceProc,
        plDistribComponent::kRollScale, IDD_COMP_DIST_SCALE, IDS_COMP_DIST_SCALE, 0, kROLLUP_START, &gDistCompScaleProc,
        plDistribComponent::kRollOrient, IDD_COMP_DIST_ORIENT, IDS_COMP_DIST_ORIENT, 0, kROLLUP_START, &gDistCompOrientProc,
        plDistribComponent::kRollAngProb, IDD_COMP_DIST_ANGPROB, IDS_COMP_DIST_ANGPROB, 0, kROLLUP_START, &gDistCompAngProbProc,
        plDistribComponent::kRollAltProb, IDD_COMP_DIST_ALTPROB, IDS_COMP_DIST_ALTPROB, 0, kROLLUP_START, &gDistCompAltProbProc,
        plDistribComponent::kRollConform, IDD_COMP_DIST_CONFORM, IDS_COMP_DIST_CONFORM, 0, kROLLUP_START, &gDistCompConformProc,
        plDistribComponent::kRollBitmap, IDD_COMP_DIST_BITMAP, IDS_COMP_DIST_BITMAP, 0, kROLLUP_START, &gDistCompBitmapProc,
        plDistribComponent::kRollFade, IDD_COMP_DIST_FADE, IDS_COMP_DIST_FADE, 0, kROLLUP_START, &gDistCompFadeProc,
        plDistribComponent::kRollWind, IDD_COMP_DIST_WIND, IDS_COMP_DIST_WIND, 0, kROLLUP_START, &gDistCompWindProc,
        plDistribComponent::kRollRandomize, IDD_COMP_DIST_RANDOMIZE, IDS_COMP_DIST_RANDOMIZE, 0, kROLLUP_START, &gDistCompRandomizeProc,
        plDistribComponent::kRollAction, IDD_COMP_DIST_ACTION, IDS_COMP_DIST_ACTION, 0, kROLLUP_START, &gDistCompActionProc,


    // TEMPLATES
    plDistribComponent::kTemplates, _T("Templates"),    TYPE_INODE_TAB, 0,      P_CAN_CONVERT, 0,
        p_ui,           plDistribComponent::kRollTemplates, TYPE_NODELISTBOX, IDC_LIST_TARGS, IDC_ADD_TARGS, 0, IDC_DEL_TARGS,
        p_classID,      triObjectClassID,
        p_accessor,     &gDistribCompAccessor,
        end,

    // SPACING
    plDistribComponent::kSpacing, _T("Spacing"), TYPE_FLOAT,    0, 0,   
        p_default, 10.0,
        p_range, 0.1, 100.0,
        p_ui, plDistribComponent::kRollSpacing, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SPACING, IDC_COMP_DISTRIB_SPACING_SPIN, 1.0,
        end,    
    
    plDistribComponent::kSpaceRnd, _T("Space Randomness"), TYPE_FLOAT,  0, 0,   
        p_default, 50.0,
        p_range, 0.0, 100.0,
        p_ui,   plDistribComponent::kRollSpacing, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SPACERND, IDC_COMP_DISTRIB_SPACERND_SPIN, 1.0,
        end,    

    plDistribComponent::kDensity, _T("Density"), TYPE_FLOAT,    0, 0,   
        p_default, 100.0,
        p_range, 1., 100.0,
        p_ui,   plDistribComponent::kRollSpacing, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_DENSITY, IDC_COMP_DISTRIB_DENSITY_SPIN, 1.0,
        end,    
    
    plDistribComponent::kSeparation,    _T("Separation"),   TYPE_INT,   0, 0,
        p_range, 0, 3,
        p_default, 1,
        end,

    // SCALE
    plDistribComponent::kScaleLoX, _T("ScaleMinX"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALELOX, IDC_COMP_DISTRIB_SCALELOX_SPIN, 1.0,
        end,    

    plDistribComponent::kScaleLoY, _T("ScaleMinY"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALELOY, IDC_COMP_DISTRIB_SCALELOY_SPIN, 1.0,
        end,    

    plDistribComponent::kScaleLoZ, _T("ScaleMinZ"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALELOZ, IDC_COMP_DISTRIB_SCALELOZ_SPIN, 1.0,
        end,    

    plDistribComponent::kScaleHiX, _T("ScaleMaxX"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALEHIX, IDC_COMP_DISTRIB_SCALEHIX_SPIN, 1.0,
        end,    

    plDistribComponent::kScaleHiY, _T("ScaleMaxY"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALEHIY, IDC_COMP_DISTRIB_SCALEHIY_SPIN, 1.0,
        end,    

    plDistribComponent::kScaleHiZ, _T("ScaleMaxZ"), TYPE_FLOAT,     0, 0,   
        p_default, 1.0,
        p_range, 0.1, 10.0,
        p_ui,   plDistribComponent::kRollScale, TYPE_SPINNER,   EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_SCALEHIZ, IDC_COMP_DISTRIB_SCALEHIZ_SPIN, 1.0,
        end,    

    plDistribComponent::kLockScaleXY,  _T("LockScaleXY"), TYPE_BOOL,        0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollScale, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_LOCKSCALEXY,
        end,

    plDistribComponent::kLockScaleXYZ,  _T("LockScaleXYZ"), TYPE_BOOL,      0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollScale, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_LOCKSCALEXYZ,
        end,

    // ORIENT
    plDistribComponent::kAlignWgt, _T("Align Weight"), TYPE_FLOAT,  0, 0,   
        p_default, 50.0,
        p_range, 0.0, 100.0,
        p_ui,   plDistribComponent::kRollOrient, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_ALIGNWGT, IDC_COMP_DISTRIB_ALIGNWGT_SPIN, 1.0,
        end,    
    
    plDistribComponent::kPolarRange, _T("Normal Range (Deg)"), TYPE_FLOAT,  0, 0,   
        p_default, 15.0,
        p_range, 0.0, 180.0,
        p_ui,   plDistribComponent::kRollOrient, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_POLARRANGE, IDC_COMP_DISTRIB_POLARRANGE_SPIN, 1.0,
        end,    
    
    plDistribComponent::kAzimuthRange, _T("Normal Range (Deg)"), TYPE_FLOAT,    0, 0,   
        p_default, 180.0,
        p_range, 0.0, 180.0,
        p_ui,   plDistribComponent::kRollOrient, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_AZIMUTHRANGE, IDC_COMP_DISTRIB_AZIMUTHRANGE_SPIN, 1.0,
        end,    
    
    plDistribComponent::kPolarBunch, _T("Normal Bunching"), TYPE_FLOAT,     0, 0,   
        p_default, 0.0,
        p_range, 0.0, 100.0,
        end,    
    
    // ANGPROB
    plDistribComponent::kAngProbHi, _T("AngProbHi"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 180.0,
        p_ui,   plDistribComponent::kRollAngProb, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_ANGPROBHI, IDC_COMP_DISTRIB_ANGPROBHI_SPIN, 1.0,
        end,    
    
    plDistribComponent::kAngProbLo, _T("AngProbLo"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 180.0,
        p_ui,   plDistribComponent::kRollAngProb, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_ANGPROBLO, IDC_COMP_DISTRIB_ANGPROBLO_SPIN, 1.0,
        end,    
    
    plDistribComponent::kAngProbTrans, _T("AngProbTrans"), TYPE_FLOAT,  0, 0,   
        p_default, 0.0,
        p_range, 0.0, 180.0,
        p_ui,   plDistribComponent::kRollAngProb, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_ANGPROBTRANS, IDC_COMP_DISTRIB_ANGPROBTRANS_SPIN, 1.0,
        end,    

    // ALTPROB
    plDistribComponent::kAltProbHi, _T("AltProbHi"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, -1000.0, 1000.0,
        p_ui,   plDistribComponent::kRollAltProb, TYPE_SPINNER, EDITTYPE_FLOAT, 
        IDC_COMP_DISTRIB_ALTPROBHI, IDC_COMP_DISTRIB_ALTPROBHI_SPIN, 1.0,
        end,    
    
    plDistribComponent::kAltProbLo, _T("AltProbLo"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, -1000.0, 1000.0,
        p_ui,   plDistribComponent::kRollAltProb, TYPE_SPINNER, EDITTYPE_FLOAT, 
        IDC_COMP_DISTRIB_ALTPROBLO, IDC_COMP_DISTRIB_ALTPROBLO_SPIN, 1.0,
        end,    
    
    plDistribComponent::kAltProbTrans, _T("AltProbTrans"), TYPE_FLOAT,  0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollAltProb, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_ALTPROBTRANS, IDC_COMP_DISTRIB_ALTPROBTRANS_SPIN, 1.0,
        end,    

    // CONFORM
    plDistribComponent::kConformType,   _T("ConformType"),  TYPE_INT,   0, 0,
        p_default, 0,
        end,

    plDistribComponent::kConformMax, _T("ConformMax"), TYPE_FLOAT,  0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollConform, TYPE_SPINNER, EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_CONFORMMAX, IDC_COMP_DISTRIB_CONFORMMAX_SPIN, 1.0,
        end,    

    plDistribComponent::kOffsetMin, _T("OffsetMin"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, -1000.0, 1000.0,
        p_ui,   plDistribComponent::kRollConform, TYPE_SPINNER, EDITTYPE_FLOAT, 
        IDC_COMP_DISTRIB_OFFSETMIN, IDC_COMP_DISTRIB_OFFSETMIN_SPIN, 1.0,
        end,    

    plDistribComponent::kOffsetMax, _T("OffsetMax"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, -1000.0, 1000.0,
        p_ui,   plDistribComponent::kRollConform, TYPE_SPINNER, EDITTYPE_FLOAT, 
        IDC_COMP_DISTRIB_OFFSETMAX, IDC_COMP_DISTRIB_OFFSETMAX_SPIN, 1.0,
        end,    

    // BITMAP
    plDistribComponent::kProbTexmap,            _T("ProbTexmap"),   TYPE_TEXMAP,        0, 0,
        p_ui, plDistribComponent::kRollBitmap, TYPE_TEXMAPBUTTON, IDC_COMP_DISTRIB_PROBTEXMAP,
        end,

    plDistribComponent::kProbColorChan, _T("ProbColorChan"),    TYPE_INT,   0, 0,
        p_default, 0,
        end,

    plDistribComponent::kRemapFromLo, _T("RemapFromLo"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 255.0,
        p_ui,   plDistribComponent::kRollBitmap, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_REMAPFROMLO, IDC_COMP_DISTRIB_REMAPFROMLO_SPIN, 1.0,
        end,    

    plDistribComponent::kRemapFromHi, _T("RemapFromHi"), TYPE_FLOAT,    0, 0,   
        p_default, 255.0,
        p_range, 0.0, 255.0,
        p_ui,   plDistribComponent::kRollBitmap, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_REMAPFROMHI, IDC_COMP_DISTRIB_REMAPFROMHI_SPIN, 1.0,
        end,    

    plDistribComponent::kRemapToLo, _T("RemapToLo"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 255.0,
        p_ui,   plDistribComponent::kRollBitmap, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_REMAPTOLO, IDC_COMP_DISTRIB_REMAPTOLO_SPIN, 1.0,
        end,    

    plDistribComponent::kRemapToHi, _T("RemapToHi"), TYPE_FLOAT,    0, 0,   
        p_default, 255.0,
        p_range, 0.0, 255.0,
        p_ui,   plDistribComponent::kRollBitmap, TYPE_SPINNER,  EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_REMAPTOHI, IDC_COMP_DISTRIB_REMAPTOHI_SPIN, 1.0,
        end,    

    // FADE
    plDistribComponent::kFadeInTran, _T("FadeInTran"), TYPE_FLOAT,  0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollFade, TYPE_SPINNER,    EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_FADEINTRAN, IDC_COMP_DISTRIB_FADEINTRAN_SPIN, 1.0,
        end,    
    
    plDistribComponent::kFadeInOpaq, _T("FadeInOpaq"), TYPE_FLOAT,  0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollFade, TYPE_SPINNER,    EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_FADEINOPAQ, IDC_COMP_DISTRIB_FADEINOPAQ_SPIN, 1.0,
        end,    
    
    plDistribComponent::kFadeOutTran, _T("FadeOutTran"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollFade, TYPE_SPINNER,    EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_FADEOUTTRAN, IDC_COMP_DISTRIB_FADEOUTTRAN_SPIN, 1.0,
        end,    
    
    plDistribComponent::kFadeOutOpaq, _T("FadeOutOpaq"), TYPE_FLOAT,    0, 0,   
        p_default, 0.0,
        p_range, 0.0, 1000.0,
        p_ui,   plDistribComponent::kRollFade, TYPE_SPINNER,    EDITTYPE_POS_FLOAT, 
        IDC_COMP_DISTRIB_FADEOUTOPAQ, IDC_COMP_DISTRIB_FADEOUTOPAQ_SPIN, 1.0,
        end,    
    
    plDistribComponent::kFadeInActive,  _T("FadeInActive"), TYPE_BOOL,      0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollFade, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_FADEINACTIVE,
        p_enable_ctrls,     2, plDistribComponent::kFadeInTran, plDistribComponent::kFadeInOpaq,
        end,

    // WIND
    plDistribComponent::kWindBone, _T("WindBone"),  TYPE_INODE,     0, 0,
        p_ui,   plDistribComponent::kRollWind, TYPE_PICKNODEBUTTON, IDC_COMP_DISTRIB_WINDBONE,
        p_prompt, IDS_COMP_CLUSTER_CHOSE_WINDBONE,
        end,

    plDistribComponent::kWindBoneActive,  _T("WindBoneActive"), TYPE_BOOL,      0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollWind, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_WINDBONEACTIVE,
        p_enable_ctrls,     1, plDistribComponent::kWindBone,
        end,

    // RANDOMIZE
    plDistribComponent::kSeedLocked,  _T("Locked"), TYPE_BOOL,      0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollRandomize, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_LOCK,
        end,

    plDistribComponent::kSeed,  _T("Seed"), TYPE_INT,   0, 0,
        p_default, 1,
        p_ui,   plDistribComponent::kRollRandomize, TYPE_SPINNER,   EDITTYPE_INT,   
        IDC_COMP_DISTRIB_SEED, IDC_COMP_DISTRIB_SEED_SPIN, 1.0,
        p_range, 0x80000000, 0x7fffffff,
        end,

    plDistribComponent::kNextSeed,  _T("NextSeed"), TYPE_INT,   0, 0,
        p_default, 1,
        end,

    // REPLICANTS (non-input)
    plDistribComponent::kReplicants,    _T("Replicants"),   TYPE_INODE_TAB, 0,      0, 0,
        p_accessor,     &gDistribCompAccessor,
        end,

    plDistribComponent::kRollupState,   _T("RollupState"),  TYPE_INT,   0, 0,
        p_default, 0,
        end,

    plDistribComponent::kFaceNormals,  _T("FaceNormals"), TYPE_BOOL,        0, 0,
        p_default,  FALSE,
        p_ui,   plDistribComponent::kRollOrient, TYPE_SINGLECHEKBOX, IDC_COMP_DISTRIB_FACENORMALS,
        end,

    end
);

plDistribComponent::plDistribComponent()
{
    fClassDesc = &gDistribCompDesc;
    fClassDesc->MakeAutoParamBlocks(this);
}

hsBool plDistribComponent::SetupProperties(plMaxNode* node, plErrorMsg* pErrMsg)
{
    int numReps = fCompPB->Count(kTemplates);
    int i;
    for( i = 0; i < numReps; i++ )
    {
#if 0
        plMaxNodeBase* temp = (plMaxNodeBase*)fCompPB->GetINode(kTemplates, TimeValue(0), i);
        if( temp )
            temp->SetCanConvert(false);
#else
        plMaxNodeBase* temp = (plMaxNodeBase*)fCompPB->GetINode(kTemplates, TimeValue(0), i);
        if( temp )
        {
            temp->SetDrawable(false);
            temp->SetPhysical(false);
            temp->SetForceLocal(true);
            temp->SetRunTimeLight(true);
            temp->SetNoPreShade(true);
//          temp->SetAlphaTestHigh(true);
        }
#endif
    }

    return true;
}

BOOL plDistribComponent::Distribute(plDistribInstTab& replicants, plErrorMsg* pErrMsg, plExportProgressBar& bar, plDistTree* distTree)
{
    plExportErrorMsg exportErrorMsg;
    if( !pErrMsg )
        pErrMsg = &exportErrorMsg;

    BOOL retVal = true;

    GetCOREInterface()->DisableSceneRedraw();

    Clear();

    plDistributor distrib;

    distrib.SetTheInterface(GetCOREInterface());

    // Spacing
    distrib.SetSpacing(fCompPB->GetFloat(kSpacing));

    distrib.SetSpacingRange(fCompPB->GetFloat(kSpaceRnd) * 0.01f * distrib.GetSpacing() * 0.5f);

    distrib.SetOverallProb(fCompPB->GetFloat(kDensity));

    distrib.SetIsolation(GetIsolation());

    distrib.SetDistTree(distTree);

    // Scale
    Point3 scaleLo(fCompPB->GetFloat(kScaleLoX), fCompPB->GetFloat(kScaleLoY), fCompPB->GetFloat(kScaleLoZ));
    Point3 scaleHi(fCompPB->GetFloat(kScaleHiX), fCompPB->GetFloat(kScaleHiY), fCompPB->GetFloat(kScaleHiZ));
    distrib.SetScaleRange(scaleLo, scaleHi);
    ULONG scaleLock = plDistributor::kLockNone;
    if( fCompPB->GetInt(kLockScaleXYZ) )
        scaleLock = plDistributor::kLockX | plDistributor::kLockY | plDistributor::kLockZ;
    else if( fCompPB->GetInt(kLockScaleXY) )
        scaleLock = plDistributor::kLockX | plDistributor::kLockY;
    distrib.SetScaleLock(scaleLock);

    // Orient
    // UI offers alignment to surface, distributor wants alignment to UP.
    distrib.SetAlignmentWeight(100.f - fCompPB->GetFloat(kAlignWgt));

    distrib.SetPolarRange(fCompPB->GetFloat(kPolarRange));

    distrib.SetAzimuthRange(fCompPB->GetFloat(kAzimuthRange));

    distrib.SetPolarBunch(fCompPB->GetFloat(kPolarBunch));

    distrib.SetFaceNormals(fCompPB->GetInt(kFaceNormals));

    // Angle prob
    distrib.SetAngleProbHi(fCompPB->GetFloat(kAngProbHi));
    distrib.SetAngleProbLo(fCompPB->GetFloat(kAngProbLo));
    distrib.SetAngleProbTransition(fCompPB->GetFloat(kAngProbTrans));

    // Altitude prob
    float minAlt = fCompPB->GetFloat(kAltProbLo);
    float maxAlt = fCompPB->GetFloat(kAltProbHi);
    if( maxAlt < minAlt )
    {
        float t = maxAlt;
        maxAlt = minAlt;
        minAlt = t;
    }
    distrib.SetMinAltitude(minAlt);
    distrib.SetMaxAltitude(maxAlt);
    distrib.SetAltitudeTransition(fCompPB->GetFloat(kAltProbTrans));

    // Conformity
    distrib.SetConformity(GetConformity());
    distrib.SetMaxConform(fCompPB->GetFloat(kConformMax));
    distrib.SetMinOffset(fCompPB->GetFloat(kOffsetMin));
    distrib.SetMaxOffset(fCompPB->GetFloat(kOffsetMax));

    // Bitmap
    ISetProbTexmap(distrib);

    distrib.SetProbabilityChan(GetProbabilityChan());

    distrib.SetProbabilityRemapFromLo(fCompPB->GetFloat(kRemapFromLo));
    distrib.SetProbabilityRemapFromHi(fCompPB->GetFloat(kRemapFromHi));
    distrib.SetProbabilityRemapToLo(fCompPB->GetFloat(kRemapToLo));
    distrib.SetProbabilityRemapToHi(fCompPB->GetFloat(kRemapToHi));

    // Fade
    distrib.SetFade(GetFade());

    // Wind
    if( fCompPB->GetInt(kWindBoneActive) )
        distrib.SetBone(fCompPB->GetINode(kWindBone));

    distrib.SetRigid(!IsFlexible());

    // Randomization
    if( !fCompPB->GetInt(kSeedLocked) )
        fCompPB->SetValue(kSeed, TimeValue(0), fCompPB->GetInt(kNextSeed));

    distrib.SetRandSeed(fCompPB->GetInt(kSeed));

    int numReps = fCompPB->Count(kTemplates);
    int i;
    for( i = 0; i < numReps; i++ )
    {
        INode* temp = fCompPB->GetINode(kTemplates, TimeValue(0), i);
        if( temp )
            distrib.AddReplicateNode(temp);
    }

    try {
        pErrMsg->Set(!distrib.GetNumReplicateNodes(), GetINode()->GetName(), "Distributor %s has nothing to replicate", GetINode()->GetName()).CheckAndAsk();

        int numTarg = NumTargets();
        for( i = 0; i < numTarg; i++ )
        {
            if( GetTarget(i) )
            {
                if( !distrib.Distribute(GetTarget(i), replicants, fDistCache, bar) )
                {
                    break;
                }
            }
        }
    }

    catch (...) 
    {
        if( pErrMsg->IsBogus() )
            pErrMsg->Show();
        retVal = false;
    }

    fCompPB->SetValue(kNextSeed, TimeValue(0), int(distrib.GetRandSeed()));

    BOOL redrawDissed = GetCOREInterface()->IsSceneRedrawDisabled();

    GetCOREInterface()->EnableSceneRedraw();

    GetCOREInterface()->ForceCompleteRedraw(FALSE);

    return retVal;
}

void plDistribComponent::Done()
{
    int i;
    for( i = 0; i < fDistCache.Count(); i++ )
    {
        delete fDistCache[i].fMesh;
    }
    fDistCache.ZeroCount();
}

BOOL plDistribComponent::IsFlexible() const
{
    int numReps = fCompPB->Count(kTemplates);
    int i;
    for( i = 0; i < numReps; i++ )
    {
        plMaxNode* temp = (plMaxNode*)fCompPB->GetINode(kTemplates, TimeValue(0), i);
        if( temp )
        {
            if( temp->GetFlexibility()[0] > 0 )
                return true;
        }
    }
    return false;
}

void plDistribComponent::ISetProbTexmap(plDistributor& distrib)
{
    distrib.SetProbabilityBitmapTex(nil);

    Texmap* tex = fCompPB->GetTexmap(kProbTexmap);
    if( tex )
    {
        BitmapTex* bmt = GetIBitmapTextInterface(tex);
        if( bmt )
            distrib.SetProbabilityBitmapTex(bmt);
        else if( tex->ClassID() == LAYER_TEX_CLASS_ID )
            distrib.SetProbabilityLayerTex((plLayerTex*)tex);
    }
}

float plDistribComponent::GetIsoPriority() const
{
    float pri = fCompPB->GetFloat(kSpacing);
    pri *= pri;
    pri *= fCompPB->GetFloat(kDensity) * 0.01f;

    return pri;
}

plDistributor::ColorChan plDistribComponent::GetProbabilityChan() const
{
    return kProbColorChanStrings[fCompPB->GetInt(kProbColorChan)].fValue;
}

plDistributor::ConformType plDistribComponent::GetConformity() const
{
    return kConformStrings[fCompPB->GetInt(kConformType)].fValue;
}

plDistributor::IsoType plDistribComponent::GetIsolation() const
{
    return kSeparationStrings[fCompPB->GetInt(kSeparation)].fValue;
}

void plDistribComponent::Clear()
{
    GetCOREInterface()->DisableSceneRedraw();
    // First, clear out any we've already done.
    int numReps = fCompPB->Count(kReplicants);
    int i;
    for( i = 0; i < numReps; i++ )
    {
        INode* rep = fCompPB->GetINode(kReplicants, TimeValue(0), i);
        if( rep )
            rep->Delete(TimeValue(0), true);
    }
    fCompPB->ZeroCount(kReplicants);

    GetCOREInterface()->EnableSceneRedraw();
    GetCOREInterface()->ForceCompleteRedraw(FALSE);
}

void plDistribComponent::Preview()
{
    if( !NumTargets() )
        return;

    GetCOREInterface()->DisableSceneRedraw();

    plDistribInstTab replicants;

    plExportProgressBar bar;
    bar.Start("Preview", NumTargets() << 4);

    plDistTree distTree;
    Distribute(replicants, nil, bar, &distTree);

    IMakeOne(replicants);

    Done();

    GetCOREInterface()->EnableSceneRedraw();
    GetCOREInterface()->ForceCompleteRedraw(FALSE);
}

INode* plDistribComponent::IMakeOne(plDistribInstTab& nodes)
{
    if( !nodes.Count() )
        return nil;

    int iStartNode = 0;

    NameMaker *nn = GetCOREInterface()->NewNameMaker();

    while( iStartNode < nodes.Count() )
    {
        TriObject* triObj = CreateNewTriObject();
        Mesh* outMesh = &triObj->mesh;

        *outMesh = *nodes[iStartNode].fMesh;

        INode *outNode = GetCOREInterface()->CreateObjectNode(triObj);

        Matrix3 l2w = nodes[0].fObjectTM;
        Matrix3 w2l = Inverse(l2w);

        MeshDelta meshDelta(*outMesh);

        int i;
        for( i = iStartNode; i < nodes.Count(); i++ )
        {
            Mesh* nextMesh = nodes[i].fMesh;

            Matrix3 relativeTransform = nodes[i].fObjectTM * w2l;

            meshDelta.AttachMesh(*outMesh, *nextMesh, relativeTransform, 0);

            meshDelta.Apply(*outMesh);

            const int kFaceCutoff = 1000;
            if( outMesh->getNumFaces() > kFaceCutoff )
                break;
        }
        iStartNode = i;

        outNode->SetNodeTM(TimeValue(0), l2w);
        outNode->CopyProperties(nodes[0].fNode);
        outNode->SetMtl(nodes[0].fNode->GetMtl());
        outNode->SetObjOffsetPos(Point3(0,0,0));
        Quat identQuat;
        identQuat.Identity();
        outNode->SetObjOffsetRot(identQuat);
        outNode->SetObjOffsetScale(ScaleValue(Point3(1.f, 1.f, 1.f)));

        TSTR outName(TSTR("Preview"));
        nn->MakeUniqueName(outName);
        outNode->SetName(outName);

        fCompPB->Append(kReplicants, 1, &outNode);
    }

    return nil;
}

Box3 plDistribComponent::GetFade()
{
    Point3 pmin;
    if( fCompPB->GetInt(kFadeInActive) )
    {
        pmin.Set(fCompPB->GetFloat(kFadeInTran), fCompPB->GetFloat(kFadeInOpaq), 0);
        if( pmin[0] == pmin[1] )
            pmin[2] = 0;
        else if( pmin[0] < pmin[1] )
            pmin[2] = -1.f;
        else
            pmin[2] = 1.f;
    }
    else
    {
        pmin.Set(0.f,0.f,0.f);
    }

    Point3 pmax;
    pmax.Set(fCompPB->GetFloat(kFadeOutTran), fCompPB->GetFloat(kFadeOutOpaq), 0);
    if( pmax[0] == pmax[1] )
        pmax[2] = 0;
    else if( pmax[0] < pmax[1] )
        pmax[2] = -1.f;
    else
        pmax[2] = 1.f;

    return Box3(pmin, pmax);
}

BOOL plDistribComponent::IValidateFade(Box3& fade)
{
    BOOL retVal = true;
    fade = GetFade();

    if( fCompPB->GetInt(kFadeInActive) )
    {
        if( fade.Max()[0] < fade.Max()[1] )
        {
            if( fade.Min()[0] > fade.Max()[0] )
            {
                fade.pmin[0] = fade.Max()[0];
                retVal = false;
            }

            if( fade.Min()[1] > fade.Min()[0] )
            {
                fade.pmin[1] = fade.Min()[0];
                retVal = false;
            }
        }
        else if( fade.Max()[0] > fade.Max()[1] )
        {
            if( fade.Min()[1] > fade.Max()[1] )
            {
                fade.pmin[1] = fade.Max()[1];
                retVal = false;
            }

            if( fade.Min()[0] > fade.Min()[1] )
            {
                fade.pmin[0] = fade.Min()[1];
                retVal = false;
            }
        }
    }
    return retVal;
}

//////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////