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#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)
: type_{type}, version_{0}, property_set_id_{EaxCallPropertySetId::none}
, is_deferred_{(property_id & deferred_flag) != 0}
, property_id_{property_id & ~deferred_flag}, property_source_id_{property_source_id}
, property_buffer_{property_buffer}, property_size_{property_size}
{
switch (type_)
{
case EaxCallType::get:
case EaxCallType::set:
break;
default:
fail("Invalid type.");
}
if (false)
{
}
else if (property_set_guid == EAXPROPERTYID_EAX40_Context)
{
version_ = 4;
property_set_id_ = EaxCallPropertySetId::context;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_Context)
{
version_ = 5;
property_set_id_ = EaxCallPropertySetId::context;
}
else if (property_set_guid == DSPROPSETID_EAX20_ListenerProperties)
{
version_ = 2;
fx_slot_index_ = 0u;
property_set_id_ = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == DSPROPSETID_EAX30_ListenerProperties)
{
version_ = 3;
fx_slot_index_ = 0u;
property_set_id_ = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot0)
{
version_ = 4;
fx_slot_index_ = 0u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot0)
{
version_ = 5;
fx_slot_index_ = 0u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot1)
{
version_ = 4;
fx_slot_index_ = 1u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot1)
{
version_ = 5;
fx_slot_index_ = 1u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot2)
{
version_ = 4;
fx_slot_index_ = 2u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot2)
{
version_ = 5;
fx_slot_index_ = 2u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_FXSlot3)
{
version_ = 4;
fx_slot_index_ = 3u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_FXSlot3)
{
version_ = 5;
fx_slot_index_ = 3u;
property_set_id_ = EaxCallPropertySetId::fx_slot;
}
else if (property_set_guid == DSPROPSETID_EAX20_BufferProperties)
{
version_ = 2;
property_set_id_ = EaxCallPropertySetId::source;
}
else if (property_set_guid == DSPROPSETID_EAX30_BufferProperties)
{
version_ = 3;
property_set_id_ = EaxCallPropertySetId::source;
}
else if (property_set_guid == EAXPROPERTYID_EAX40_Source)
{
version_ = 4;
property_set_id_ = EaxCallPropertySetId::source;
}
else if (property_set_guid == EAXPROPERTYID_EAX50_Source)
{
version_ = 5;
property_set_id_ = EaxCallPropertySetId::source;
}
else if (property_set_guid == DSPROPSETID_EAX_ReverbProperties)
{
version_ = 1;
fx_slot_index_ = 0u;
property_set_id_ = EaxCallPropertySetId::fx_slot_effect;
}
else if (property_set_guid == DSPROPSETID_EAXBUFFER_ReverbProperties)
{
version_ = 1;
property_set_id_ = EaxCallPropertySetId::source;
}
else
{
fail("Unsupported property set id.");
}
if (version_ < 1 || version_ > 5)
{
fail("EAX version out of range.");
}
switch(property_id)
{
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.
is_deferred_ = false;
break;
default:
break;
}
if(!is_deferred_)
{
if(property_set_id_ != EaxCallPropertySetId::fx_slot && property_id_ != 0)
{
if (property_buffer == nullptr)
{
fail("Null property buffer.");
}
if (property_size == 0)
{
fail("Empty property.");
}
}
}
if(property_set_id_ == EaxCallPropertySetId::source && property_source_id_ == 0)
{
fail("Null AL source id.");
}
if (property_set_id_ == EaxCallPropertySetId::fx_slot)
{
if (property_id_ < EAXFXSLOT_NONE)
{
property_set_id_ = 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
};
}
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