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Code Issues 123 Wiki Activity

additional sound type for local brake, support for combined sounds

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This commit is contained in:
tmj-fstate
2017-12-14 14:31:34 +01:00
parent 428710b8e7
commit 4e6e428cea
12 changed files with 725 additions and 162 deletions
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38
audiorenderer.h
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@@ -14,6 +14,8 @@ http://mozilla.org/MPL/2.0/.
class sound_source;
using uint32_sequence = std::vector<std::uint32_t>;
// sound emitter state sync item
struct sound_properties {
glm::dvec3 location;
@@ -23,6 +25,12 @@ struct sound_properties {
float pitch { 1.f };
};
enum class sync_state {
good,
bad_distance,
bad_resource
};
namespace audio {
// implementation part of the sound emitter
@@ -37,27 +45,30 @@ struct openal_source {
// members
ALuint id { audio::null_resource }; // associated AL resource
sound_source *controller { nullptr }; // source controller
buffer_sequence buffers; // sequence of samples the source will emit
int buffer_index { 0 }; // currently queued sample from the buffer sequence
uint32_sequence sounds; //
// buffer_sequence buffers; // sequence of samples the source will emit
int sound_index { 0 }; // currently queued sample from the buffer sequence
bool is_playing { false };
bool is_looping { false };
bool is_synced { true }; // set to false only if a sync attempt fails
sound_properties properties;
sync_state sync { sync_state::good };
// methods
template <class Iterator_>
openal_source &
bind( sound_source *Controller, Iterator_ First, Iterator_ Last ) {
bind( sound_source *Controller, uint32_sequence Sounds, Iterator_ First, Iterator_ Last ) {
controller = Controller;
buffers.insert( std::end( buffers ), First, Last );
is_multipart = ( buffers.size() > 1 );
sounds = Sounds;
// look up and queue assigned buffers
std::vector<ALuint> bufferids;
for( auto const buffer : buffers ) {
bufferids.emplace_back( audio::renderer.buffer( buffer ).id ); }
std::vector<ALuint> buffers;
std::for_each(
First, Last,
[&]( audio::buffer_handle const &buffer ) {
buffers.emplace_back( audio::renderer.buffer( buffer ).id ); } );
if( id != audio::null_resource ) {
::alSourceQueueBuffers( id, static_cast<ALsizei>( bufferids.size() ), bufferids.data() );
::alSourceQueueBuffers( id, static_cast<ALsizei>( buffers.size() ), buffers.data() );
::alSourceRewind( id ); }
is_multipart = ( buffers.size() > 1 );
return *this; }
// starts playback of queued buffers
void
@@ -119,11 +130,8 @@ public:
// schedules playback of provided range of samples, under control of the specified sound emitter
template <class Iterator_>
void
insert( sound_source *Controller, Iterator_ First, Iterator_ Last ) {
m_sources.emplace_back( fetch_source().bind( Controller, First, Last ) ); }
// schedules playback of specified sample, under control of the specified sound emitter
void
insert( sound_source *Controller, audio::buffer_handle const Sound );
insert( Iterator_ First, Iterator_ Last, sound_source *Controller, uint32_sequence Sounds ) {
m_sources.emplace_back( fetch_source().bind( Controller, Sounds, First, Last ) ); }
// removes from the queue all sounds controlled by the specified sound emitter
void
erase( sound_source const *Controller );