sm-zombiereloaded-3/src/zr/soundeffects/ambientsounds.inc

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/*
* ============================================================================
*
* Zombie:Reloaded
*
* File: ambientsounds.inc
* Type: Core
* Description: Plays ambient sounds to clients.
*
* Copyright (C) 2009 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/>.
*
* ============================================================================
*/
/**
* Global variable that tells if ambient sound cvar data was loaded successfully.
*/
new bool:g_bAmbientSounds;
/**
* Global variable to store ambient sounds timer handle.
*/
new Handle:tAmbientSounds = INVALID_HANDLE;
/**
* Array for flagging client to play sound.
*/
new bool:bAmbientSoundsIsPlaying[MAXPLAYERS + 1];
/**
* Load ambient sound data.
*/
AmbientSoundsLoad()
{
// Validate cvars.
g_bAmbientSounds = AmbientSoundsValidateConfig();
}
/**
* Client is joining the server.
*
* @param client The client index.
*/
AmbientSoundsClientInit(client)
{
// Reset flag to play sound on client.
bAmbientSoundsIsPlaying[client] = false;
}
/**
* Validate ambient sounds cvars.
*/
bool:AmbientSoundsValidateConfig()
{
// If ambience is disabled, then stop.
new bool:ambience = GetConVarBool(g_hCvarsList[CVAR_AMBIENTSOUNDS]);
if (!ambience)
{
return false;
}
// Get ambient sound file.
decl String:sound[SOUND_MAX_PATH];
GetConVarString(g_hCvarsList[CVAR_AMBIENTSOUNDS_FILE], sound, sizeof(sound));
Format(sound, sizeof(sound), "sound/%s", sound);
// If file doesn't exist, then log error and stop.
if (!FileExists(sound, true))
{
// Log invalid sound file error.
LogEvent(false, LogType_Error, LOG_CORE_EVENTS, LogModule_SEffects, "Config Validation", "Invalid sound file specified in \"zr_ambientsounds_file\": %s", sound);
return false;
}
// If volume is muted or invalid, then log error and stop.
new Float:ambientvolume = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_VOLUME]);
if (ambientvolume <= 0.0)
{
// Log invalid ambient sound volume error.
LogEvent(false, LogType_Error, LOG_CORE_EVENTS, LogModule_SEffects, "Config Validation", "Ambient sound volume specified in \"zr_ambientsounds_volume\" is either muted or invalid.");
return false;
}
// If length is invalid, then log error and stop.
new Float:ambientlength = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_LENGTH]);
if (ambientlength <= 0.0)
{
// Log invalid ambient sound length error.
LogEvent(false, LogType_Error, LOG_CORE_EVENTS, LogModule_SEffects, "Config Validation", "Ambient sound length specified in \"zr_ambientsounds_length\" is invalid.");
return false;
}
// Add sound file to downloads table.
AddFileToDownloadsTable(sound);
return true;
}
/**
* Map is starting.
*/
AmbientSoundsOnMapStart()
{
// Reset timer handle.
tAmbientSounds = INVALID_HANDLE;
}
/**
* The round is starting.
*/
AmbientSoundsOnRoundStart()
{
// Restart ambient sound for all clients.
AmbientSoundsRestart();
}
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/**
* The round is ending.
*/
AmbientSoundsOnRoundEnd()
{
// x = client index
for (new x = 1; x <= MaxClients; x++)
{
bAmbientSoundsIsPlaying[x] = false;
}
}
/**
* Client is spawning into the game.
*
* @param client The client index.
*/
AmbientSoundsOnClientSpawnPost(client)
{
// If ambience is disabled, then stop.
if (!g_bAmbientSounds)
{
return;
}
// If flag is enabled, then stop.
if (bAmbientSoundsIsPlaying[client])
{
return;
}
// Get ambient sound file.
decl String:sound[SOUND_MAX_PATH];
GetConVarString(g_hCvarsList[CVAR_AMBIENTSOUNDS_FILE], sound, sizeof(sound));
// Get ambient sound volume.
new Float:ambientvolume = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_VOLUME]);
// Emit ambient sound.
SEffectsEmitAmbientSound(sound, ambientvolume, client);
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// Flag client that sound is playing.
bAmbientSoundsIsPlaying[client] = true;
}
/**
* Restart ambient sound for all clients.
*/
AmbientSoundsRestart()
{
// If timer is running, kill it.
if (tAmbientSounds != INVALID_HANDLE)
{
KillTimer(tAmbientSounds);
}
// If ambience is disabled, then stop.
if (!g_bAmbientSounds)
{
return;
}
// Get ambient sound length.
new Float:ambientlength = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_LENGTH]);
// Start ambient sounds timer.
tAmbientSounds = CreateTimer(ambientlength, AmbientSoundsTimer, _, TIMER_FLAG_NO_MAPCHANGE);
}
/**
* Timer callback, Replays ambient sound on all clients.
*
* @param timer The timer handle.
*/
public Action:AmbientSoundsTimer(Handle:timer)
{
// If ambience is disabled, then stop.
if (!g_bAmbientSounds)
{
return;
}
// Get ambient sound file.
decl String:sound[SOUND_MAX_PATH];
GetConVarString(g_hCvarsList[CVAR_AMBIENTSOUNDS_FILE], sound, sizeof(sound));
// Get ambient sound volume.
new Float:ambientvolume = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_VOLUME]);
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// Stop sound before playing again.
SEffectsStopAmbientSound(sound);
// Emit ambient sound.
SEffectsEmitAmbientSound(sound, ambientvolume);
// Get ambient sound length.
new Float:ambientlength = GetConVarFloat(g_hCvarsList[CVAR_AMBIENTSOUNDS_LENGTH]);
// Start new timer with sound length as delay.
tAmbientSounds = CreateTimer(ambientlength, AmbientSoundsTimer, _, TIMER_FLAG_NO_MAPCHANGE);
}