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path: root/indra/newview/llfloatertelehub.cpp
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/**
 * @file llfloatertelehub.cpp
 * @author James Cook
 * @brief LLFloaterTelehub class implementation
 *
 * $LicenseInfo:firstyear=2005&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llfloatertelehub.h"

#include "message.h"
#include "llfontgl.h"

#include "llagent.h"
#include "llfloaterreg.h"
#include "llfloatertools.h"
#include "llscrolllistctrl.h"
#include "llselectmgr.h"
#include "lltoolcomp.h"
#include "lltoolmgr.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "lluictrlfactory.h"

LLFloaterTelehub::LLFloaterTelehub(const LLSD& key)
:   LLFloater(key),
    mTelehubObjectID(),
    mTelehubObjectName(),
    mTelehubPos(),
    mTelehubRot(),
    mNumSpawn(0)
{
}

BOOL LLFloaterTelehub::postBuild()
{
    gMessageSystem->setHandlerFunc("TelehubInfo", processTelehubInfo);

    getChild<LLUICtrl>("connect_btn")->setCommitCallback(boost::bind(&LLFloaterTelehub::onClickConnect, this));
    getChild<LLUICtrl>("disconnect_btn")->setCommitCallback(boost::bind(&LLFloaterTelehub::onClickDisconnect, this));
    getChild<LLUICtrl>("add_spawn_point_btn")->setCommitCallback(boost::bind(&LLFloaterTelehub::onClickAddSpawnPoint, this));
    getChild<LLUICtrl>("remove_spawn_point_btn")->setCommitCallback(boost::bind(&LLFloaterTelehub::onClickRemoveSpawnPoint, this));

    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("spawn_points_list");
    if (list)
    {
        // otherwise you can't walk with arrow keys while floater is up
        list->setAllowKeyboardMovement(FALSE);
    }

    return TRUE;
}
void LLFloaterTelehub::onOpen(const LLSD& key)
{
    // Show tools floater by selecting translate (select) tool
    LLToolMgr::getInstance()->setCurrentToolset(gBasicToolset);
    LLToolMgr::getInstance()->getCurrentToolset()->selectTool( LLToolCompTranslate::getInstance() );

    sendTelehubInfoRequest();

    mObjectSelection = LLSelectMgr::getInstance()->getEditSelection();
}

LLFloaterTelehub::~LLFloaterTelehub()
{
    // no longer interested in this message
    gMessageSystem->setHandlerFunc("TelehubInfo", NULL);
}

void LLFloaterTelehub::draw()
{
    if (!isMinimized())
    {
        refresh();
    }
    LLFloater::draw();
}

// Per-frame updates, because we don't have a selection manager observer.
void LLFloaterTelehub::refresh()
{
    const BOOL children_ok = TRUE;
    LLViewerObject* object = mObjectSelection->getFirstRootObject(children_ok);

    BOOL have_selection = (object != NULL);
    BOOL all_volume = LLSelectMgr::getInstance()->selectionAllPCode( LL_PCODE_VOLUME );
    getChildView("connect_btn")->setEnabled(have_selection && all_volume);

    BOOL have_telehub = mTelehubObjectID.notNull();
    getChildView("disconnect_btn")->setEnabled(have_telehub);

    BOOL space_avail = (mNumSpawn < MAX_SPAWNPOINTS_PER_TELEHUB);
    getChildView("add_spawn_point_btn")->setEnabled(have_selection && all_volume && space_avail);

    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("spawn_points_list");
    if (list)
    {
        BOOL enable_remove = (list->getFirstSelected() != NULL);
        getChildView("remove_spawn_point_btn")->setEnabled(enable_remove);
    }
}

// static
BOOL LLFloaterTelehub::renderBeacons()
{
    // only render if we've got a telehub
    LLFloaterTelehub* floater = LLFloaterReg::findTypedInstance<LLFloaterTelehub>("telehubs");
    return floater && floater->mTelehubObjectID.notNull();
}

// static
void LLFloaterTelehub::addBeacons()
{
    LLFloaterTelehub* floater = LLFloaterReg::findTypedInstance<LLFloaterTelehub>("telehubs");
    if (!floater)
        return;

    // Find the telehub position, either our cached old position, or
    // an updated one based on the actual object position.
    LLVector3 hub_pos_region = floater->mTelehubPos;
    LLQuaternion hub_rot = floater->mTelehubRot;
    LLViewerObject* obj = gObjectList.findObject(floater->mTelehubObjectID);
    if (obj)
    {
        hub_pos_region = obj->getPositionRegion();
        hub_rot = obj->getRotationRegion();
    }
    // Draw nice thick 3-pixel lines.
    gObjectList.addDebugBeacon(hub_pos_region, "", LLColor4::yellow, LLColor4::white, 4);

    LLScrollListCtrl* list = floater->getChild<LLScrollListCtrl>("spawn_points_list");
    if (list)
    {
        S32 spawn_index = list->getFirstSelectedIndex();
        if (spawn_index >= 0)
        {
            LLVector3 spawn_pos = hub_pos_region  + (floater->mSpawnPointPos[spawn_index] * hub_rot);
            gObjectList.addDebugBeacon(spawn_pos, "", LLColor4::orange, LLColor4::white, 4);
        }
    }
}

void LLFloaterTelehub::sendTelehubInfoRequest()
{
    LLSelectMgr::getInstance()->sendGodlikeRequest("telehub", "info ui");
}

void LLFloaterTelehub::onClickConnect()
{
    LLSelectMgr::getInstance()->sendGodlikeRequest("telehub", "connect");
}

void LLFloaterTelehub::onClickDisconnect()
{
    LLSelectMgr::getInstance()->sendGodlikeRequest("telehub", "delete");
}

void LLFloaterTelehub::onClickAddSpawnPoint()
{
    LLSelectMgr::getInstance()->sendGodlikeRequest("telehub", "spawnpoint add");
    LLSelectMgr::getInstance()->deselectAll();
}

void LLFloaterTelehub::onClickRemoveSpawnPoint()
{
    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("spawn_points_list");
    if (!list)
        return;

    S32 spawn_index = list->getFirstSelectedIndex();
    if (spawn_index < 0) return;  // nothing selected

    LLMessageSystem* msg = gMessageSystem;

    // Could be god or estate owner.  If neither, server will reject message.
    if (gAgent.isGodlike())
    {
        msg->newMessage("GodlikeMessage");
    }
    else
    {
        msg->newMessage("EstateOwnerMessage");
    }
    msg->nextBlock("AgentData");
    msg->addUUID("AgentID", gAgent.getID());
    msg->addUUID("SessionID", gAgent.getSessionID());
    msg->addUUIDFast(_PREHASH_TransactionID, LLUUID::null); //not used
    msg->nextBlock("MethodData");
    msg->addString("Method", "telehub");
    msg->addUUID("Invoice", LLUUID::null);

    msg->nextBlock("ParamList");
    msg->addString("Parameter", "spawnpoint remove");

    std::string buffer;
    buffer = llformat("%d", spawn_index);
    msg->nextBlock("ParamList");
    msg->addString("Parameter", buffer);

    gAgent.sendReliableMessage();
}

// static
void LLFloaterTelehub::processTelehubInfo(LLMessageSystem* msg, void**)
{
    LLFloaterTelehub* floater = LLFloaterReg::findTypedInstance<LLFloaterTelehub>("telehubs");
    if (floater)
    {
        floater->unpackTelehubInfo(msg);
    }
}

void LLFloaterTelehub::unpackTelehubInfo(LLMessageSystem* msg)
{
    msg->getUUID("TelehubBlock", "ObjectID", mTelehubObjectID);
    msg->getString("TelehubBlock", "ObjectName", mTelehubObjectName);
    msg->getVector3("TelehubBlock", "TelehubPos", mTelehubPos);
    msg->getQuat("TelehubBlock", "TelehubRot", mTelehubRot);

    mNumSpawn = msg->getNumberOfBlocks("SpawnPointBlock");
    for (S32 i = 0; i < mNumSpawn; i++)
    {
        msg->getVector3("SpawnPointBlock", "SpawnPointPos", mSpawnPointPos[i], i);
    }

    // Update parts of the UI that change only when message received.

    if (mTelehubObjectID.isNull())
    {
        getChildView("status_text_connected")->setVisible( false);
        getChildView("status_text_not_connected")->setVisible( true);
        getChildView("help_text_connected")->setVisible( false);
        getChildView("help_text_not_connected")->setVisible( true);
    }
    else
    {
        getChild<LLUICtrl>("status_text_connected")->setTextArg("[OBJECT]", mTelehubObjectName);
        getChildView("status_text_connected")->setVisible( true);
        getChildView("status_text_not_connected")->setVisible( false);
        getChildView("help_text_connected")->setVisible( true);
        getChildView("help_text_not_connected")->setVisible( false);
    }

    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("spawn_points_list");
    if (list)
    {
        list->deleteAllItems();
        for (S32 i = 0; i < mNumSpawn; i++)
        {
            std::string pos = llformat("%.1f, %.1f, %.1f",
                                    mSpawnPointPos[i].mV[VX],
                                    mSpawnPointPos[i].mV[VY],
                                    mSpawnPointPos[i].mV[VZ]);
            list->addSimpleElement(pos);
        }
        list->selectNthItem(mNumSpawn - 1);
    }
}