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Code Issues 123 Wiki Activity

cabin sound positioning

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This commit is contained in:
milek7
2017-09-16 20:35:43 +02:00
parent 6c8290f66f
commit e5ad6be865
10 changed files with 88 additions and 37 deletions
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53
sound.cpp
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@@ -259,28 +259,26 @@ void sound_manager::update(float dt)
}
}
void sound_manager::set_listener(glm::vec3 const &p, glm::vec3 const &at, glm::vec3 const &up)
void sound_manager::set_listener(glm::vec3 const &p, glm::mat3 const &r)
{
pos = p;
alListenerfv(AL_POSITION, glm::value_ptr(p));
rot = r;
glm::vec3 at = glm::vec3(0.0, 0.0, -1.0) * r;
glm::vec3 up = glm::vec3(0.0, 1.0, 0.0) * r;
alListenerfv(AL_POSITION, glm::value_ptr(pos));
glm::vec3 ori[] = { at, up };
alListenerfv(AL_ORIENTATION, (ALfloat*)ori);
}
void sound_manager::set_listener(Math3D::vector3 const &p, Math3D::vector3 const &at, Math3D::vector3 const &up)
{
set_listener((glm::vec3)glm::make_vec3(&p.x), (glm::vec3)glm::make_vec3(&at.x), (glm::vec3)glm::make_vec3(&up.x));
}
sound::sound()
{
id = 0;
alGenSources(1, &id);
if (!id)
throw std::runtime_error("sound: cannot generate source");
alSourcei(id, AL_SOURCE_RELATIVE, AL_TRUE);
dist(5.0f * 3.82f);
spatial = false;
set_mode(global);
gain_off = 0.0f;
gain_mul = 1.0f;
pitch_off = 0.0f;
@@ -288,6 +286,18 @@ sound::sound()
dt_sum = 0.0f;
}
sound& sound::set_mode(mode_t m)
{
mode = m;
if (mode == global || mode == anchored)
alSourcei(id, AL_SOURCE_RELATIVE, AL_TRUE);
else if (mode == spatial)
alSourcei(id, AL_SOURCE_RELATIVE, AL_FALSE);
return *this;
}
simple_sound::simple_sound(sound_buffer *buf) : sound::sound()
{
looping = false;
@@ -308,22 +318,25 @@ simple_sound::~simple_sound()
buffer->unref();
}
sound& sound::position(glm::vec3 const &p)
sound& sound::position(glm::vec3 p)
{
if (!spatial)
if (mode == global)
{
alSourcei(id, AL_SOURCE_RELATIVE, AL_FALSE);
spatial = true;
set_mode(spatial);
last_pos = p;
}
if (p != pos)
if (p != pos || mode == anchored)
{
pos = p;
pos_dirty = true;
if (mode == anchored)
p = (p - sound_man->pos) * glm::inverse(sound_man->rot);
alSourcefv(id, AL_POSITION, glm::value_ptr(p));
}
return *this;
}
@@ -343,7 +356,7 @@ sound& sound::dist(float dist)
void simple_sound::play()
{
if (playing || (spatial && glm::distance(pos, sound_man->pos) > max_dist))
if (playing || (mode != global && glm::distance(pos, sound_man->pos) > max_dist))
return;
alSourcePlay(id);
@@ -361,9 +374,9 @@ void simple_sound::stop()
void sound::update(float dt)
{
if (spatial)
if (mode == spatial)
dt_sum += dt;
if (spatial && pos_dirty)
if (mode == spatial && pos_dirty)
{
glm::vec3 velocity = (pos - last_pos) / dt_sum; // m/s
alSourcefv(id, AL_VELOCITY, glm::value_ptr(velocity));
@@ -383,7 +396,7 @@ void simple_sound::update(float dt)
alGetSourcei(id, AL_SOURCE_STATE, &v);
if (v != AL_PLAYING)
playing = false;
else if (spatial && glm::distance(pos, sound_man->pos) > max_dist)
else if (mode != global && glm::distance(pos, sound_man->pos) > max_dist)
stop();
}
}
@@ -464,7 +477,7 @@ void complex_sound::play()
if (cs != state::post)
return;
if (spatial && glm::distance(pos, sound_man->pos) > max_dist)
if (mode != global && glm::distance(pos, sound_man->pos) > max_dist)
return;
alSourceRewind(id);
@@ -554,7 +567,7 @@ void complex_sound::update(float dt)
}
if (cs == state::main)
if (spatial && glm::distance(pos, sound_man->pos) > max_dist)
if (mode != global && glm::distance(pos, sound_man->pos) > max_dist)
{
shut_by_dist = true;
stop();