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#ifndef EAX_EAX_CALL_INCLUDED
#define EAX_EAX_CALL_INCLUDED
#include "AL/al.h"
#include "alnumeric.h"
#include "alspan.h"
#include "api.h"
#include "fx_slot_index.h"
enum class EaxCallType {
none,
get,
set,
}; // EaxCallType
enum class EaxCallPropertySetId {
none,
context,
fx_slot,
source,
fx_slot_effect,
}; // EaxCallPropertySetId
class EaxCall {
public:
EaxCall(
EaxCallType type,
const GUID& property_set_guid,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_buffer,
ALuint property_size);
bool is_get() const noexcept { return type_ == EaxCallType::get; }
int get_version() const noexcept { return version_; }
EaxCallPropertySetId get_property_set_id() const noexcept { return property_set_id_; }
ALuint get_property_id() const noexcept { return property_id_; }
ALuint get_property_al_name() const noexcept { return property_source_id_; }
EaxFxSlotIndex get_fx_slot_index() const noexcept { return fx_slot_index_; }
template<typename TException, typename TValue>
TValue& get_value() const
{
if (property_size_ < static_cast<ALuint>(sizeof(TValue)))
{
fail_too_small();
}
return *static_cast<TValue*>(property_buffer_);
}
template<typename TValue>
al::span<TValue> get_values(size_t max_count) const
{
if (max_count == 0 || property_size_ < static_cast<ALuint>(sizeof(TValue)))
fail_too_small();
const auto count = minz(property_size_ / sizeof(TValue), max_count);
return al::span<TValue>{static_cast<TValue*>(property_buffer_), count};
}
template<typename TValue>
al::span<TValue> get_values() const
{
return get_values<TValue>(~size_t{});
}
template<typename TException, typename TValue>
void set_value(const TValue& value) const
{
get_value<TException, TValue>() = value;
}
private:
EaxCallType type_;
int version_;
EaxFxSlotIndex fx_slot_index_;
EaxCallPropertySetId property_set_id_;
ALuint property_id_;
ALuint property_source_id_;
ALvoid*property_buffer_;
ALuint property_size_;
[[noreturn]] static void fail(const char* message);
[[noreturn]] static void fail_too_small();
}; // EaxCall
EaxCall create_eax_call(
EaxCallType type,
const GUID* property_set_id,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_buffer,
ALuint property_size);
#endif // !EAX_EAX_CALL_INCLUDED
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