axmol/3rdparty/openal/al/eax/call.cpp

220 lines
5.8 KiB
C++

#include "config.h"
#include "call.h"
#include "exception.h"
namespace {
constexpr auto deferred_flag = 0x80000000U;
class EaxCallException : public EaxException {
public:
explicit EaxCallException(const char* message)
: EaxException{"EAX_CALL", message}
{}
}; // EaxCallException
} // namespace
EaxCall::EaxCall(
EaxCallType type,
const GUID& property_set_guid,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_buffer,
ALuint property_size)
: mCallType{type}, mVersion{0}, mPropertySetId{EaxCallPropertySetId::none}
, mIsDeferred{(property_id & deferred_flag) != 0}
, mPropertyId{property_id & ~deferred_flag}, mPropertySourceId{property_source_id}
, mPropertyBuffer{property_buffer}, mPropertyBufferSize{property_size}
{
switch(mCallType)
{
case EaxCallType::get:
case EaxCallType::set:
break;
default:
fail("Invalid type.");
}
if (false)
{
}
else if (property_set_guid == EAXPROPERTYID_EAX40_Context)
{
mVersion = 4;
mPropertySetId = EaxCallPropertySetId::context;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_Context)
{
mVersion = 5;
mPropertySetId = EaxCallPropertySetId::context;
}
else if (property_set_guid == DSPROPSETID_EAX20_ListenerProperties)
{
mVersion = 2;
mFxSlotIndex = 0u;
mPropertySetId = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == DSPROPSETID_EAX30_ListenerProperties)
{
mVersion = 3;
mFxSlotIndex = 0u;
mPropertySetId = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot0)
{
mVersion = 4;
mFxSlotIndex = 0u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot0)
{
mVersion = 5;
mFxSlotIndex = 0u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot1)
{
mVersion = 4;
mFxSlotIndex = 1u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot1)
{
mVersion = 5;
mFxSlotIndex = 1u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot2)
{
mVersion = 4;
mFxSlotIndex = 2u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot2)
{
mVersion = 5;
mFxSlotIndex = 2u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot3)
{
mVersion = 4;
mFxSlotIndex = 3u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot3)
{
mVersion = 5;
mFxSlotIndex = 3u;
mPropertySetId = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == DSPROPSETID_EAX20_BufferProperties)
{
mVersion = 2;
mPropertySetId = EaxCallPropertySetId::source;
}
else if (property_set_guid == DSPROPSETID_EAX30_BufferProperties)
{
mVersion = 3;
mPropertySetId = EaxCallPropertySetId::source;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_Source)
{
mVersion = 4;
mPropertySetId = EaxCallPropertySetId::source;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_Source)
{
mVersion = 5;
mPropertySetId = EaxCallPropertySetId::source;
}
else if (property_set_guid == DSPROPSETID_EAX_ReverbProperties)
{
mVersion = 1;
mFxSlotIndex = 0u;
mPropertySetId = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == DSPROPSETID_EAXBUFFER_ReverbProperties)
{
mVersion = 1;
mPropertySetId = EaxCallPropertySetId::source;
}
else
{
fail("Unsupported property set id.");
}
switch(mPropertyId)
{
case EAXCONTEXT_LASTERROR:
case EAXCONTEXT_SPEAKERCONFIG:
case EAXCONTEXT_EAXSESSION:
case EAXFXSLOT_NONE:
case EAXFXSLOT_ALLPARAMETERS:
case EAXFXSLOT_LOADEFFECT:
case EAXFXSLOT_VOLUME:
case EAXFXSLOT_LOCK:
case EAXFXSLOT_FLAGS:
case EAXFXSLOT_OCCLUSION:
case EAXFXSLOT_OCCLUSIONLFRATIO:
// EAX allow to set "defer" flag on immediate-only properties.
// If we don't clear our flag then "applyAllUpdates" in EAX context won't be called.
mIsDeferred = false;
break;
}
if(!mIsDeferred)
{
if(mPropertySetId != EaxCallPropertySetId::fx_slot && mPropertyId != 0)
{
if(mPropertyBuffer == nullptr)
fail("Null property buffer.");
if(mPropertyBufferSize == 0)
fail("Empty property.");
}
}
if(mPropertySetId == EaxCallPropertySetId::source && mPropertySourceId == 0)
fail("Null AL source id.");
if(mPropertySetId == EaxCallPropertySetId::fx_slot)
{
if(mPropertyId < EAXFXSLOT_NONE)
mPropertySetId = EaxCallPropertySetId::fx_slot_effect;
}
}
[[noreturn]] void EaxCall::fail(const char* message)
{
throw EaxCallException{message};
}
[[noreturn]] void EaxCall::fail_too_small()
{
fail("Property buffer too small.");
}
EaxCall create_eax_call(
EaxCallType type,
const GUID* property_set_id,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_buffer,
ALuint property_size)
{
if(!property_set_id)
throw EaxCallException{"Null property set ID."};
return EaxCall{
type,
*property_set_id,
property_id,
property_source_id,
property_buffer,
property_size
};
}