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https://github.com/ZDoom/Raze.git
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5448f6ec2c
* DObjects may not be memset to 0. * There was still code trying to retrieve the player index with pointer artithmetic. With an array of pointers this does not work.
156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2020-2022 Christoph Oelckers
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This file is part of Raze
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Raze is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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*/
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//-------------------------------------------------------------------------
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#include "ns.h" // Must come before everything else!
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#include "build.h"
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#include "blood.h"
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#include "raze_sound.h"
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BEGIN_BLD_NS
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enum {kMaxAmbChannel = 64 };
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struct AMB_CHANNEL
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{
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FSoundID soundID;
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int distance;
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int check;
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};
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AMB_CHANNEL ambChannels[kMaxAmbChannel];
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int nAmbChannels = 0;
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//---------------------------------------------------------------------------
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//
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//
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//
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//---------------------------------------------------------------------------
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void ambProcess(DBloodPlayer* pPlayer)
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{
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if (!SoundEnabled())
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return;
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BloodStatIterator it(kStatAmbience);
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while (DBloodActor* actor = it.Next())
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{
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if (actor->spr.intowner < 0 || actor->spr.intowner >= kMaxAmbChannel)
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continue;
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if (actor->hasX())
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{
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if (actor->xspr.state)
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{
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int nDist = (int)(actor->spr.pos - pPlayer->GetActor()->spr.pos).Length();
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int vs = min(MulScale(actor->xspr.data4, actor->xspr.busy, 16), 127);
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ambChannels[actor->spr.intowner].distance += ClipRange(scale(nDist, actor->xspr.data1, actor->xspr.data2, vs, 0), 0, vs);
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}
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}
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}
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AMB_CHANNEL *pChannel = ambChannels;
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for (int i = 0; i < nAmbChannels; i++, pChannel++)
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{
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if (soundEngine->IsSourcePlayingSomething(SOURCE_Ambient, pChannel, CHAN_BODY))
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{
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if (pChannel->distance > 0)
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{
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soundEngine->ChangeSoundVolume(SOURCE_Ambient, pChannel, CHAN_BODY, pChannel->distance / 255.f);
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}
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else
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{
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// Stop the sound if it cannot be heard so that it doesn't occupy a physical channel.
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soundEngine->StopSound(SOURCE_Ambient, pChannel, CHAN_BODY);
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}
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}
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else if (pChannel->distance > 0)
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{
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FVector3 pt{};
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soundEngine->StartSound(SOURCE_Ambient, pChannel, &pt, CHAN_BODY, CHANF_LOOP|CHANF_TRANSIENT, pChannel->soundID, pChannel->distance / 255.f, ATTN_NONE);
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}
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pChannel->distance = 0;
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}
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}
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//---------------------------------------------------------------------------
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//
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//
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//
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//---------------------------------------------------------------------------
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void ambKillAll(void)
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{
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AMB_CHANNEL *pChannel = ambChannels;
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for (int i = 0; i < nAmbChannels; i++, pChannel++)
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{
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soundEngine->StopSound(SOURCE_Ambient, pChannel, CHAN_BODY);
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pChannel->soundID = NO_SOUND;
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}
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nAmbChannels = 0;
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}
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//---------------------------------------------------------------------------
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//
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//
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//
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//---------------------------------------------------------------------------
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void ambInit(void)
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{
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ambKillAll();
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memset(ambChannels, 0, sizeof(ambChannels));
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BloodStatIterator it(kStatAmbience);
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while (DBloodActor* actor = it.Next())
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{
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if (!actor->hasX()) continue;
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if (actor->xspr.data1 >= actor->xspr.data2) continue;
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int i; AMB_CHANNEL *pChannel = ambChannels;
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for (i = 0; i < nAmbChannels; i++, pChannel++)
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if (actor->xspr.data3 == pChannel->check) break;
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if (i == nAmbChannels)
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{
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if (i >= kMaxAmbChannel)
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{
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actor->spr.intowner = -1;
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continue;
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}
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int nSFX = actor->xspr.data3;
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auto snd = soundEngine->FindSoundByResID(nSFX);
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if (!snd.isvalid())
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{
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Printf(PRINT_HIGH | PRINT_NOTIFY, "Missing sound #%d used in ambient sound generator #%d\n", nSFX, actor->GetIndex());
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actPostSprite(actor, kStatDecoration);
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continue;
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}
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pChannel->soundID = FSoundID(snd);
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pChannel->check = nSFX;
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pChannel->distance = 0;
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nAmbChannels++;
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}
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actor->spr.intowner = i;
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}
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}
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END_BLD_NS
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