/*
 * ============================================================================
 *
 *  Zombie:Reloaded
 *
 *  File:           volevents.inc
 *  Type:           Module
 *  Description:    Handles generic events for volumetric features.
 *
 *  Copyright (C) 2009-2013  Greyscale, Richard Helgeby
 *
 *  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/>.
 *
 * ============================================================================
 */

/**
 * Called when a player enters a volume.
 *
 * @param client        The client index.
 * @param volumeIndex   The volume index.
 */
VolOnPlayerEnter(client, volumeIndex)
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    LogEvent(_, LogType_Normal, LOG_DEBUG, LogModule_Volfeatures, "Event", "Player %N entered volume %d.", client, volumeIndex);

    // Forward event to features.
    new VolumeFeatureTypes:voltype = Volumes[volumeIndex][Vol_Type];
    switch (voltype)
    {
        case VolFeature_ClassEdit:
        {
            VolClassEditOnPlayerEnter(client, volumeIndex);
        }
    }
}

/**
 * Called when a player leaves a volume.
 *
 * @param client        The client index.
 * @param volumeIndex   The volume index.
 */
VolOnPlayerLeave(client, volumeIndex)
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    LogEvent(_, LogType_Normal, LOG_DEBUG, LogModule_Volfeatures, "Event", "Player %N left volume %d.", client, volumeIndex);

    // Forward event to features.
    new VolumeFeatureTypes:voltype = Volumes[volumeIndex][Vol_Type];
    switch (voltype)
    {
        case VolFeature_Anticamp:
        {
            VolAnticampOnPlayerLeave(client, volumeIndex);
        }
        case VolFeature_ClassEdit:
        {
            VolClassEditOnPlayerLeave(client, volumeIndex);
        }
    }
}

/**
 * Called when a player spawned. Used for initializing player data.
 *
 * @param client    The client index.
 */
VolOnPlayerSpawn(client)
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    // Cache player location.
    VolUpdatePlayerLocation(client);
}

/**
 * Called when a player died.
 *
 * @param client    The client index.
 */
VolOnPlayerDeath(client)
{
    // Send player left volume event to all volumes the player was in.
    for (new volindex = 0; volindex < ZR_VOLUMES_MAX; volindex++)
    {
        // Check if volume is unused.
        if (!Volumes[volindex][Vol_InUse])
        {
            continue;
        }

        // Check if volume is disabled.
        if (!Volumes[volindex][Vol_Enabled])
        {
            continue;
        }

        // Check if player is inside the volume.
        if (VolPlayerInVolume[client][volindex])
        {
            // Mark as not in the volume and trigger event.
            VolPlayerInVolume[client][volindex] = false;
            VolOnPlayerLeave(client, volindex);
        }
    }
}

/**
 * Called when a player disconnects.
 *
 * @param client    The client index.
 */
VolOnPlayerDisconnect(client)
{
    // Disable trigger delay counters.
    VolResetCountDown(client);

    // Trigger death event to clean up.
    VolOnPlayerDeath(client);
}

/**
 * Called when the round starts. Main enable event for volumetric features.
 */
VolOnRoundStart()
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    // Start main timer.
    VolStartUpdateTimer();

    // Start volumes.
    VolEnableVolumes();
}

/**
 * Called when the round ends. Main disable event for volumetric features.
 */
VolOnRoundEnd()
{
    // Stop main timer.
    VolStopUpdateTimer();

    // Stop volumes.
    VolDisableVolumes();
}

/**
 * Called right before the map ends.
 */
VolOnMapEnd()
{
	// Make sure timers and volumes are stopped. Foreward event.
	VolOnRoundEnd();
}

/**
 * Called when a volume is disabled.
 * @param volumeIndex   The volume index.
 */
VolOnDisabled(volumeIndex)
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    new VolumeFeatureTypes:voltype = Volumes[volumeIndex][Vol_Type];

    // Forward stop event to features.
    switch (voltype)
    {
        case VolFeature_Anticamp:
        {
            VolAnticampDisable(volumeIndex);
        }
        case VolFeature_ClassEdit:
        {
            VolClassEditOnDisabled(volumeIndex);
        }
    }
}

/**
 * Called when a volume is enabled.
 * @param volumeIndex   The volume index.
 */
VolOnEnabled(volumeIndex)
{
    // Check if volumetric features is enabled.
    if (!VolEnabled)
    {
        // Volumetric features disabled.
        return;
    }

    new VolumeFeatureTypes:voltype = Volumes[volumeIndex][Vol_Type];

    // Forward enable event to features.
    switch (voltype)
    {
        case VolFeature_Anticamp:
        {
            VolAnticampEnable(volumeIndex);
        }
    }
}