sin-2015/earthquake.cpp

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1999-04-22 00:00:00 +00:00
// Copyright (C) 1997 by Ritual Entertainment, Inc.
// All rights reserved.
//
// This source is may not be distributed and/or modified without
// expressly written permission by Ritual Entertainment, Inc.
//
// DESCRIPTION:
// Earthquake trigger causes a localized earthquake when triggered.
// The earthquake effect is visible to the user as the shaking of his screen.
//
#include "earthquake.h"
/*****************************************************************************/
/*SINED func_earthquake (.5 .5 .8) (-8 -8 -8) (8 8 8)
Causes an earthquake
"duration" is the duration of the earthquake. Default is 0.8 seconds.
/*****************************************************************************/
CLASS_DECLARATION( Trigger, Earthquake, "func_earthquake" )
Event EV_Earthquake_Deactivate( "earthquake_deactivate" );
ResponseDef Earthquake::Responses[] =
{
{ &EV_Touch, NULL },
{ &EV_Trigger_Effect, ( Response )Earthquake::Activate },
{ &EV_Earthquake_Deactivate, ( Response )Earthquake::Deactivate },
{ NULL, NULL }
};
Earthquake::Earthquake
(
void
)
{
const char * name;
duration = G_GetFloatArg( "duration", 0.8f );
quakeactive = false;
// cache in the quake sound
name = gi.GlobalAlias_FindRandom( "earthquake" );
gi.soundindex( name );
}
EXPORT_FROM_DLL void Earthquake::Activate
(
Event *ev
)
{
float newtime;
Event *event;
newtime = duration + level.time;
if ( newtime > level.earthquake )
{
level.earthquake = newtime;
}
quakeactive = true;
RandomGlobalSound( "earthquake", 1, CHAN_VOICE|CHAN_NO_PHS_ADD, ATTN_NONE );
event = new Event(EV_Earthquake_Deactivate);
PostEvent(event,duration);
};
EXPORT_FROM_DLL void Earthquake::Deactivate
(
Event *ev
)
{
quakeactive = false;
level.earthquake = 0;
RandomGlobalSound( "null_sound", 1, CHAN_VOICE|CHAN_NO_PHS_ADD, ATTN_NORM );
}