diff options
Diffstat (limited to 'al/eax/call.cpp')
| -rw-r--r-- | al/eax/call.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/al/eax/call.cpp b/al/eax/call.cpp new file mode 100644 index 00000000..1fd05968 --- /dev/null +++ b/al/eax/call.cpp @@ -0,0 +1,212 @@ +#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} + , 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."); + } + + if(!(property_id&deferred_flag)) + { + 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 + }; +} |