/*==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,
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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 or by snail mail at:
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*==LICENSE==*/
#include "HeadSpin.h"
#include "plNPCSpawnComp.h"

#include "resource.h"
#include "plComponent.h"
#include "plComponentReg.h"

#include "plActivatorBaseComponent.h"

#include "MaxMain/plMaxNode.h"

#include "plAvatar/plNPCSpawnMod.h"

#include "pnMessage/plNotifyMsg.h"

#include <map>


// Keep from getting dead-code-stripped
void DummyCodeIncludFuncNPCSpawn() {}

// DON'T delete from this enum. Just add _DEAD to the end of the name
enum
{
    kModelName,         // v1
    kAccountName,       // v1
    kAutoSpawn,         // v1
};

/** \class plNPCSpawnComp
    Simply creates a plNPCSpawnMod and applies it to the scene node.
*/
class plNPCSpawnComp : public plActivatorBaseComponent
{
public:
    plNPCSpawnComp();

    plKey GetNPCSpawnKey(plMaxNode *node);

    hsBool SetupProperties(plMaxNode *node, plErrorMsg *pErrMsg);
    hsBool PreConvert(plMaxNode *node, plErrorMsg *pErrMsg);
    hsBool Convert(plMaxNode* node,plErrorMsg *pErrMsg);

private:
    // per-instance registry of all the modifiers that were created by this component
    typedef std::map<plMaxNode*, plNPCSpawnMod*> modmap;
    modmap fMods;
    bool IIsValid();
};

// Max class descriptor.
CLASS_DESC(plNPCSpawnComp, gNPCSpawnDesc, "NPC Spawner", "NPC Spawner", COMP_TYPE_AVATAR, NPC_SPAWN_CLASS_ID )

// GETNPCSPAWNKEY
// The idea here is to allow access to all the modifiers that
// were created by a given npc spawner component.
plKey GetNPCSpawnModKey(plComponentBase *npcSpawnComp, plMaxNodeBase *target)
{
    if (npcSpawnComp->ClassID() == NPC_SPAWN_CLASS_ID)
    {
        plNPCSpawnComp *comp = (plNPCSpawnComp*)npcSpawnComp;
        return comp->GetNPCSpawnKey((plMaxNode*)target);
    }

    return nil;
}

// GNPCSPAWNBLOCK
ParamBlockDesc2 gNPCSpawnBlock
(
    plComponent::kBlkComp, _T("(ex)One Shot Comp"), 0, &gNPCSpawnDesc, P_AUTO_CONSTRUCT + P_AUTO_UI, plComponent::kRefComp,

    //Rollout data
    IDD_COMP_NPC_SPAWN, IDS_COMP_NPC_SPAWNER, 0, 0, NULL,

    //params
    kModelName, _T("ModelName"),    TYPE_STRING,    0, 0,
        p_ui,   TYPE_EDITBOX, IDC_NPC_SPAWN_MODEL_TEXT_BOX,
        end,

    //params
    kAccountName,   _T("AccountName"),  TYPE_STRING,    0, 0,
        p_ui,   TYPE_EDITBOX, IDC_NPC_SPAWN_ACCOUNT_TEXT_BOX,
        end,

    kAutoSpawn, _T("AutoSpawn"), TYPE_BOOL, 0,  0,
        p_default, FALSE,
        p_ui,   TYPE_SINGLECHEKBOX, IDC_NPC_SPAWN_AUTOSPAWN_BOOL,
        end,

    end
);

plNPCSpawnComp::plNPCSpawnComp()
{
    fClassDesc = &gNPCSpawnDesc;
    fClassDesc->MakeAutoParamBlocks(this);
}

// GETNPCSPAWNKEY
plKey plNPCSpawnComp::GetNPCSpawnKey(plMaxNode *node)
{
    if (fMods.find(node) != fMods.end())
        return fMods[node]->GetKey();

    return nil;
}

// ISVALID
bool plNPCSpawnComp::IIsValid()
{
    const char *modelName = fCompPB->GetStr(kModelName);
    // account name is optional (for the moment)
    //const char *account = fCompPB->GetStr(kAccountName);
    return (modelName && *modelName != '\0');
}

// SETUPPROPERTIES
hsBool plNPCSpawnComp::SetupProperties(plMaxNode *node, plErrorMsg *pErrMsg)
{
    fMods.clear();          // clear out our cache of modifiers (used for interfacing to python & responder)

    if (IIsValid())
    {
        node->SetForceLocal(true);
        return true;
    }
    else
    {
        if (pErrMsg->Set(true, "NPC Spawner", "NPC Spawn component on '%s' has no animation name, and will not be included in the export. Abort this export?", node->GetName()).Ask())
            pErrMsg->Set(true, "", "");
        else
            pErrMsg->Set(false); // Don't want to abort
        return false;
    }
}

// PRECONVERT
// We actually do the convert here so we're around for responder & python fixup
hsBool plNPCSpawnComp::PreConvert(plMaxNode *node, plErrorMsg *pErrMsg)
{
    if (IIsValid())
    {
        const char *modelName = fCompPB->GetStr(kModelName);
        const char *accountName = fCompPB->GetStr(kAccountName);
        bool autoSpawn = fCompPB->GetInt(kAutoSpawn) ? true : false;

        plNPCSpawnMod *mod = new plNPCSpawnMod(modelName, accountName, autoSpawn);
        fMods[node] = mod;

        // this is used by the python file modifier to figure out which component we're coming from
        plKey modKey = hsgResMgr::ResMgr()->NewKey(IGetUniqueName(node), mod, node->GetLocation());
        fLogicModKeys[node] = modKey;
    }

    return true;
}

// CONVERT
// We just attach to the scene object here. Not sure why we didn't do it at convert time;
// I'm cribbing from Colin's modifications to the one shot component.
hsBool plNPCSpawnComp::Convert(plMaxNode* node, plErrorMsg *pErrMsg)
{
    modmap::iterator i = fMods.find(node);

    if (i != fMods.end())
    {
        plNPCSpawnMod *mod = ((*i).second);

        // let's make a notification message that we'll use to notify interested parties
        // when we actually do our spawn.
        plNotifyMsg *notify = new plNotifyMsg();
        hsTArray<plKey> receivers;
        IGetReceivers(node, receivers);
        notify->SetSender(mod->GetKey());
        notify->SetState(1.0f);
        for (int i = 0; i < receivers.Count(); i++)
            notify->AddReceiver(receivers[i]);

        mod->SetNotify(notify);

        node->AddModifier(mod, IGetUniqueName(node));

        return true;
    }

    return false;
}