mirror of
https://github.com/ZDoom/Raze.git
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303 lines
8.4 KiB
C++
303 lines
8.4 KiB
C++
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 Nuke.YKT
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This file is part of NBlood.
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NBlood 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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as published by the Free Software Foundation.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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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 <string.h>
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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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class BloodSoundEngine : public RazeSoundEngine
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{
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// client specific parts of the sound engine go in this class.
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void CalcPosVel(int type, const void* source, const float pt[3], int channum, int chanflags, FSoundID chanSound, FVector3* pos, FVector3* vel, FSoundChan* channel) override;
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TArray<uint8_t> ReadSound(int lumpnum) override;
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public:
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BloodSoundEngine()
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{
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S_Rolloff.RolloffType = ROLLOFF_Doom;
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S_Rolloff.MinDistance = 170; // these are the numbers I got when uncrunching the original sound code.
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S_Rolloff.MaxDistance = 850;
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}
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void StopChannel(FSoundChan* chan) override
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{
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if (chan && chan->SysChannel != nullptr && !(chan->ChanFlags & CHANF_EVICTED) && chan->SourceType == SOURCE_Actor)
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{
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chan->Source = nullptr;
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chan->SourceType = SOURCE_Unattached;
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}
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SoundEngine::StopChannel(chan);
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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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TArray<uint8_t> BloodSoundEngine::ReadSound(int lumpnum)
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{
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auto wlump = fileSystem.OpenFileReader(lumpnum);
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return wlump.Read();
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}
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void BloodSoundEngine::CalcPosVel(int type, const void* source, const float pt[3], int channum, int chanflags, FSoundID chanSound, FVector3* pos, FVector3* vel, FSoundChan*)
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{
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if (pos != nullptr && type != SOURCE_None)
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{
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FVector3 camera;
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if (gMe && gMe->actor) camera = GetSoundPos(gMe->actor->int_pos());
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else camera = { 0, 0, 0 }; // don't crash if there is no player.
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if (vel) vel->Zero();
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if (type == SOURCE_Unattached)
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{
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pos->X = pt[0];
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pos->Y = pt[1];
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pos->Z = pt[2];
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}
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else if (type == SOURCE_Actor)
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{
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assert(source != nullptr);
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auto actor = (DBloodActor*)source;
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// Engine expects velocity in units per second, not units per tic.
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if (vel) *vel = { actor->vel.X * (30 / 65536.f), actor->vel.Z * (-30 / 65536.f), actor->vel.Y * (-30 / 65536.f) };
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*pos = GetSoundPos(actor->int_pos());
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}
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else if (type == SOURCE_Ambient)
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{
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*pos = camera; // just to be safe. Ambient sounds are in the world but unpositioned
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}
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if ((chanflags & CHANF_LISTENERZ))
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{
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pos->Y = camera.Y;
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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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//---------------------------------------------------------------------------
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void GameInterface::UpdateSounds()
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{
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SoundListener listener;
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if (gMe->actor)
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{
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listener.angle = -gMe->actor->spr.int_ang() * float(BAngRadian); // Build uses a period of 2048.
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listener.velocity.Zero();
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listener.position = GetSoundPos(gMe->actor->int_pos());
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listener.valid = true;
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}
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else
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{
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listener.position.Zero();
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listener.valid = false;
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}
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listener.underwater = false;
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// This should probably use a real environment instead of the pitch hacking in S_PlaySound3D.
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// listenactor->waterlevel == 3;
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//assert(primaryLevel->Zones.Size() > listenactor->Sector->ZoneNumber);
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listener.Environment = 0;// primaryLevel->Zones[listenactor->Sector->ZoneNumber].Environment;
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listener.ListenerObject = gMe;
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soundEngine->SetListener(listener);
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soundEngine->UpdateSounds(I_GetTime());
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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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FSoundID getSfx(FSoundID soundId, float& attenuation, int& pitch, int& relvol)
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{
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auto udata = soundEngine->GetUserData(soundId);
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if (pitch < 0) pitch = udata ? udata[0] : 0x10000;
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if (relvol < 0) relvol = 0;
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else if (relvol == 0) relvol = udata && udata[2] ? udata[2] : 80;
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if (relvol > 255) relvol = 255;
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// Limit the attenuation. More than 2.0 is simply too much.
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attenuation = relvol > 0 ? clamp(80.f / relvol, 0.f, 2.f) : 1.f;
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return soundId;
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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 sfxPlay3DSound(const DVector3& pos, int soundId, sectortype* pSector)
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{
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if (!SoundEnabled() || soundId < 0) return;
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auto sid = soundEngine->FindSoundByResID(soundId);
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if (sid == 0) return;
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auto svec = GetSoundPos(pos);
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float attenuation;
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int pitch = -1;
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int relvol = 0;
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sid = getSfx(sid, attenuation, pitch, relvol);
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auto sfx = soundEngine->GetSfx(sid);
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EChanFlags flags = CHANF_OVERLAP;
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if (sfx && sfx->LoopStart >= 0) flags |= CHANF_LOOP;
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auto chan = soundEngine->StartSound(SOURCE_Unattached, nullptr, &svec, -1, flags, sid, (0.8f / 80.f) * relvol, attenuation, nullptr, pitch / 65536.f);
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if (chan) chan->UserData = sectnum(pSector);
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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 sfxPlay3DSoundCP(DBloodActor* pActor, int soundId, int playchannel, int playflags, int pitch, int volume)
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{
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if (!SoundEnabled() || soundId < 0 || !pActor) return;
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auto sid = soundEngine->FindSoundByResID(soundId);
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if (sid == 0) return;
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auto svec = GetSoundPos(pActor->int_pos());
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float attenuation;
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sid = getSfx(sid, attenuation, pitch, volume);
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if (volume == -1) volume = 80;
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if (playchannel >= 0)
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{
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playchannel++; // This is to make 0 a valid channel value.
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if (soundEngine->EnumerateChannels([=](FSoundChan* chan) -> int
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{
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if (chan->SourceType != SOURCE_Actor) return false; // other source types are not our business.
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if (chan->EntChannel == playchannel && (chan->Source == pActor || (playflags & FX_GlobalChannel) != 0))
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{
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if ((playflags & FX_ChannelMatch) != 0 && chan->EntChannel == playchannel)
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return true;
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if ((playflags & FX_SoundMatch) != 0 && chan->OrgID == sid)
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return true;
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soundEngine->StopChannel(chan);
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return -1;
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}
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return false;
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})) return;
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}
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auto sfx = soundEngine->GetSfx(sid);
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EChanFlags flags = playchannel == -1 ? CHANF_OVERLAP : CHANF_NONE;
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if (sfx && sfx->LoopStart >= 0)
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{
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flags |= CHANF_LOOP;
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flags &= ~CHANF_OVERLAP;
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}
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soundEngine->StartSound(SOURCE_Actor, pActor, &svec, playchannel, flags, sid, volume * (0.8f / 80.f), attenuation, nullptr, pitch / 65536.f);
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}
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void sfxPlay3DSound(DBloodActor* pActor, int soundId, int a3, int a4)
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{
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sfxPlay3DSoundCP(pActor, soundId, a3, a4, -1);
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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 sfxKill3DSound(DBloodActor* pActor, int a2, int a3)
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{
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if (!pActor)
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return;
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if (a2 >= 0) a2++;
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auto sid = soundEngine->FindSoundByResID(a3);
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soundEngine->EnumerateChannels([=](FSoundChan* channel)
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{
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if (channel->SourceType == SOURCE_Actor && channel->Source == pActor && (a2 < 0 || a2 == channel->EntChannel) && (a3 < 0 || sid == channel->OrgID))
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{
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soundEngine->StopChannel(channel);
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}
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return false;
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});
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}
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void sfxKillAllSounds(void)
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{
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if (soundEngine) soundEngine->EnumerateChannels([](FSoundChan* channel)
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{
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if (channel->SourceType == SOURCE_Actor || channel->SourceType == SOURCE_Unattached) soundEngine->StopChannel(channel);
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return false;
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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 sfxSetReverb(bool toggle)
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{
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if (toggle)
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{
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FX_SetReverb(128);
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FX_SetReverbDelay(10);
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}
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else
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FX_SetReverb(0);
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}
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void sfxSetReverb2(bool toggle)
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{
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if (toggle)
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{
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FX_SetReverb(128);
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FX_SetReverbDelay(20);
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}
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else
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FX_SetReverb(0);
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}
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END_BLD_NS
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