src/auxeffectslot.cpp

   1
   2 #include "config.h"
   3
   4 #include "auxeffectslot.h"
   5
   6 #include <stdexcept>
   7
   8 #include "context.h"
   9 #include "effect.h"
  10
  11 namespace alure {
  12
  13 static inline bool operator<(const SourceSend &lhs, const SourceSend &rhs)
  14 { return lhs.mSource < rhs.mSource || (lhs.mSource == rhs.mSource && lhs.mSend < rhs.mSend); }
  15 static inline bool operator==(const SourceSend &lhs, const SourceSend &rhs)
  16 { return lhs.mSource == rhs.mSource && lhs.mSend == rhs.mSend; }
  17 static inline bool operator!=(const SourceSend &lhs, const SourceSend &rhs)
  18 { return !(lhs == rhs); }
  19
  20
  21 AuxiliaryEffectSlotImpl::AuxiliaryEffectSlotImpl(ContextImpl &context) : mContext(context)
  22 {
  23     alGetError();
  24     mContext.alGenAuxiliaryEffectSlots(1, &mId);
  25     throw_al_error("Failed to create AuxiliaryEffectSlot");
  26 }
  27
  28 AuxiliaryEffectSlotImpl::~AuxiliaryEffectSlotImpl()
  29 {
  30     if(UNLIKELY(mId != 0) && alcGetCurrentContext() == mContext.getALCcontext())
  31     {
  32         mContext.alDeleteAuxiliaryEffectSlots(1, &mId);
  33         mId = 0;
  34     }
  35 }
  36
  37 void AuxiliaryEffectSlotImpl::addSourceSend(SourceSend source_send)
  38 {
  39     auto iter = std::lower_bound(mSourceSends.begin(), mSourceSends.end(), source_send);
  40     if(iter == mSourceSends.end() || *iter != source_send)
  41         mSourceSends.insert(iter, source_send);
  42 }
  43
  44 void AuxiliaryEffectSlotImpl::removeSourceSend(SourceSend source_send)
  45 {
  46     auto iter = std::lower_bound(mSourceSends.begin(), mSourceSends.end(), source_send);
  47     if(iter != mSourceSends.end() && *iter == source_send)
  48         mSourceSends.erase(iter);
  49 }
  50
  51
  52 DECL_THUNK1(void, AuxiliaryEffectSlot, setGain,, ALfloat)
  53 void AuxiliaryEffectSlotImpl::setGain(ALfloat gain)
  54 {
  55     if(!(gain >= 0.0f && gain <= 1.0f))
  56         throw std::domain_error("Gain out of range");
  57     CheckContext(mContext);
  58     mContext.alAuxiliaryEffectSlotf(mId, AL_EFFECTSLOT_GAIN, gain);
  59 }
  60
  61 DECL_THUNK1(void, AuxiliaryEffectSlot, setSendAuto,, bool)
  62 void AuxiliaryEffectSlotImpl::setSendAuto(bool sendauto)
  63 {
  64     CheckContext(mContext);
  65     mContext.alAuxiliaryEffectSloti(mId, AL_EFFECTSLOT_AUXILIARY_SEND_AUTO, sendauto ? AL_TRUE : AL_FALSE);
  66 }
  67
  68 DECL_THUNK1(void, AuxiliaryEffectSlot, applyEffect,, Effect)
  69 void AuxiliaryEffectSlotImpl::applyEffect(Effect effect)
  70 {
  71     const EffectImpl *eff = effect.getHandle();
  72     if(eff) CheckContexts(mContext, eff->getContext());
  73     CheckContext(mContext);
  74
  75     mContext.alAuxiliaryEffectSloti(mId,
  76         AL_EFFECTSLOT_EFFECT, eff ? eff->getId() : AL_EFFECT_NULL
  77     );
  78 }
  79
  80
  81 void AuxiliaryEffectSlot::destroy()
  82 {
  83     AuxiliaryEffectSlotImpl *i = pImpl;
  84     pImpl = nullptr;
  85     i->destroy();
  86 }
  87 void AuxiliaryEffectSlotImpl::destroy()
  88 {
  89     CheckContext(mContext);
  90
  91     if(!mSourceSends.empty())
  92     {
  93         Vector<SourceSend> source_sends;
  94         source_sends.swap(mSourceSends);
  95
  96         auto batcher = mContext.getBatcher();
  97         for(const SourceSend &srcsend : source_sends)
  98             srcsend.mSource.getHandle()->setAuxiliarySend(nullptr, srcsend.mSend);
  99     }
 100
 101     alGetError();
 102     mContext.alDeleteAuxiliaryEffectSlots(1, &mId);
 103     throw_al_error("AuxiliaryEffectSlot failed to delete");
 104     mId = 0;
 105
 106     mContext.freeEffectSlot(this);
 107 }
 108
 109 DECL_THUNK0(Vector<SourceSend>, AuxiliaryEffectSlot, getSourceSends, const)
 110 DECL_THUNK0(size_t, AuxiliaryEffectSlot, getUseCount, const)
 111
 112 } // namespace alure