diff options
Diffstat (limited to 'scene')
| -rw-r--r-- | scene/3d/SCsub | 10 | ||||
| -rw-r--r-- | scene/3d/audio_stream_player_3d.cpp | 147 | ||||
| -rw-r--r-- | scene/3d/audio_stream_player_3d.h | 1 | ||||
| -rwxr-xr-x | scene/resources/default_theme/make_header.py | 5 | ||||
| -rw-r--r-- | scene/resources/material.cpp | 4 |
5 files changed, 109 insertions, 58 deletions
diff --git a/scene/3d/SCsub b/scene/3d/SCsub index 200cf4316f..31a443bad1 100644 --- a/scene/3d/SCsub +++ b/scene/3d/SCsub @@ -3,10 +3,10 @@ Import('env') if env['disable_3d']: - env.scene_sources.append("3d/spatial.cpp") - env.scene_sources.append("3d/skeleton.cpp") - env.scene_sources.append("3d/particles.cpp") - env.scene_sources.append("3d/visual_instance.cpp") - env.scene_sources.append("3d/world_environment.cpp") + env.add_source_files(env.scene_sources, "spatial.cpp") + env.add_source_files(env.scene_sources, "skeleton.cpp") + env.add_source_files(env.scene_sources, "particles.cpp") + env.add_source_files(env.scene_sources, "visual_instance.cpp") + env.add_source_files(env.scene_sources, "world_environment.cpp") else: env.add_source_files(env.scene_sources, "*.cpp") diff --git a/scene/3d/audio_stream_player_3d.cpp b/scene/3d/audio_stream_player_3d.cpp index 054c211d23..27f16f7601 100644 --- a/scene/3d/audio_stream_player_3d.cpp +++ b/scene/3d/audio_stream_player_3d.cpp @@ -35,6 +35,99 @@ #include "scene/3d/listener.h" #include "scene/main/viewport.h" +// Based on "A Novel Multichannel Panning Method for Standard and Arbitrary Loudspeaker Configurations" by Ramy Sadek and Chris Kyriakakis (2004) +// Speaker-Placement Correction Amplitude Panning (SPCAP) +class Spcap { +private: + struct Speaker { + Vector3 direction; + real_t effective_number_of_speakers; // precalculated + mutable real_t squared_gain; // temporary + }; + + PoolVector<Speaker> speakers; + +public: + Spcap(unsigned int speaker_count, const Vector3 *speaker_directions) { + this->speakers.resize(speaker_count); + PoolVector<Speaker>::Write w = this->speakers.write(); + for (unsigned int speaker_num = 0; speaker_num < speaker_count; speaker_num++) { + w[speaker_num].direction = speaker_directions[speaker_num]; + w[speaker_num].squared_gain = 0.0; + w[speaker_num].effective_number_of_speakers = 0.0; + for (unsigned int other_speaker_num = 0; other_speaker_num < speaker_count; other_speaker_num++) { + w[speaker_num].effective_number_of_speakers += 0.5 * (1.0 + w[speaker_num].direction.dot(w[other_speaker_num].direction)); + } + } + } + + unsigned int get_speaker_count() const { + return (unsigned int)this->speakers.size(); + } + + Vector3 get_speaker_direction(unsigned int index) const { + return this->speakers.read()[index].direction; + } + + void calculate(const Vector3 &source_direction, real_t tightness, unsigned int volume_count, real_t *volumes) const { + PoolVector<Speaker>::Read r = this->speakers.read(); + real_t sum_squared_gains = 0.0; + for (unsigned int speaker_num = 0; speaker_num < (unsigned int)this->speakers.size(); speaker_num++) { + real_t initial_gain = 0.5 * powf(1.0 + r[speaker_num].direction.dot(source_direction), tightness) / r[speaker_num].effective_number_of_speakers; + r[speaker_num].squared_gain = initial_gain * initial_gain; + sum_squared_gains += r[speaker_num].squared_gain; + } + + for (unsigned int speaker_num = 0; speaker_num < MIN(volume_count, (unsigned int)this->speakers.size()); speaker_num++) { + volumes[speaker_num] = sqrtf(r[speaker_num].squared_gain / sum_squared_gains); + } + } +}; + +//TODO: hardcoded main speaker directions for 2, 3.1, 5.1 and 7.1 setups - these are simplified and could also be made configurable +static const Vector3 speaker_directions[7] = { + Vector3(-1.0, 0.0, -1.0).normalized(), // front-left + Vector3(1.0, 0.0, -1.0).normalized(), // front-right + Vector3(0.0, 0.0, -1.0).normalized(), // center + Vector3(-1.0, 0.0, 1.0).normalized(), // rear-left + Vector3(1.0, 0.0, 1.0).normalized(), // rear-right + Vector3(-1.0, 0.0, 0.0).normalized(), // side-left + Vector3(1.0, 0.0, 0.0).normalized(), // side-right +}; + +void AudioStreamPlayer3D::_calc_output_vol(const Vector3 &source_dir, real_t tightness, AudioStreamPlayer3D::Output &output) { + unsigned int speaker_count; // only main speakers (no LFE) + switch (AudioServer::get_singleton()->get_speaker_mode()) { + default: //fallthrough + case AudioServer::SPEAKER_MODE_STEREO: speaker_count = 2; break; + case AudioServer::SPEAKER_SURROUND_31: speaker_count = 3; break; + case AudioServer::SPEAKER_SURROUND_51: speaker_count = 5; break; + case AudioServer::SPEAKER_SURROUND_71: speaker_count = 7; break; + } + + Spcap spcap(speaker_count, speaker_directions); //TODO: should only be created/recreated once the speaker mode / speaker positions changes + real_t volumes[7]; + spcap.calculate(source_dir, tightness, speaker_count, volumes); + + switch (AudioServer::get_singleton()->get_speaker_mode()) { + case AudioServer::SPEAKER_SURROUND_71: + output.vol[3].l = volumes[5]; // side-left + output.vol[3].r = volumes[6]; // side-right + //fallthrough + case AudioServer::SPEAKER_SURROUND_51: + output.vol[2].l = volumes[3]; // rear-left + output.vol[2].r = volumes[4]; // rear-right + //fallthrough + case AudioServer::SPEAKER_SURROUND_31: + output.vol[1].r = 1.0; // LFE - always full power + output.vol[1].l = volumes[2]; // center + //fallthrough + case AudioServer::SPEAKER_MODE_STEREO: + output.vol[0].r = volumes[1]; // front-right + output.vol[0].l = volumes[0]; // front-left + } +} + void AudioStreamPlayer3D::_mix_audio() { if (!stream_playback.is_valid() || !active || @@ -381,59 +474,11 @@ void AudioStreamPlayer3D::_notification(int p_what) { output.filter_gain = Math::db2linear(db_att); - Vector3 flat_pos = local_pos; - flat_pos.y = 0; - flat_pos.normalize(); + //TODO: The lower the second parameter (tightness) the more the sound will "enclose" the listener (more undirected / playing from + // speakers not facing the source) - this could be made distance dependent. + _calc_output_vol(local_pos.normalized(), 4.0, output); unsigned int cc = AudioServer::get_singleton()->get_channel_count(); - if (cc == 1) { - // Stereo pair - float c = flat_pos.x * 0.5 + 0.5; - - output.vol[0].l = 1.0 - c; - output.vol[0].r = c; - } else { - Vector3 listenertopos = global_pos - listener_node->get_global_transform().origin; - float c = listenertopos.normalized().dot(get_global_transform().basis.get_axis(2).normalized()); //it's z negative - float angle = Math::rad2deg(Math::acos(c)); - float av = angle * (flat_pos.x < 0 ? -1 : 1) / 180.0; - - if (cc >= 1) { - // Stereo pair - float fl = Math::abs(1.0 - Math::abs(-0.8 - av)); - float fr = Math::abs(1.0 - Math::abs(0.8 - av)); - - output.vol[0].l = fl; - output.vol[0].r = fr; - } - - if (cc >= 2) { - // Center pair - float center = 1.0 - Math::sin(Math::acos(c)); - - output.vol[1].l = center; - output.vol[1].r = center; - } - - if (cc >= 3) { - // Side pair - float sleft = Math::abs(1.0 - Math::abs(-0.4 - av)); - float sright = Math::abs(1.0 - Math::abs(0.4 - av)); - - output.vol[2].l = sleft; - output.vol[2].r = sright; - } - - if (cc >= 4) { - // Rear pair - float rleft = Math::abs(1.0 - Math::abs(-0.2 - av)); - float rright = Math::abs(1.0 - Math::abs(0.2 - av)); - - output.vol[3].l = rleft; - output.vol[3].r = rright; - } - } - for (unsigned int k = 0; k < cc; k++) { output.vol[k] *= multiplier; } diff --git a/scene/3d/audio_stream_player_3d.h b/scene/3d/audio_stream_player_3d.h index 93954e758a..494aa70097 100644 --- a/scene/3d/audio_stream_player_3d.h +++ b/scene/3d/audio_stream_player_3d.h @@ -115,6 +115,7 @@ private: bool stream_paused_fade_out; StringName bus; + static void _calc_output_vol(const Vector3 &source_dir, real_t tightness, Output &output); void _mix_audio(); static void _mix_audios(void *self) { reinterpret_cast<AudioStreamPlayer3D *>(self)->_mix_audio(); } diff --git a/scene/resources/default_theme/make_header.py b/scene/resources/default_theme/make_header.py index bd5a723b23..cf0ccf1c3a 100755 --- a/scene/resources/default_theme/make_header.py +++ b/scene/resources/default_theme/make_header.py @@ -1,9 +1,14 @@ #!/usr/bin/env python import glob +import os enc = "utf-8" +# Change to the directory where the script is located, +# so that the script can be run from any location +os.chdir(os.path.dirname(os.path.realpath(__file__))) + # Generate include files f = open("theme_data.h", "wb") diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index 5372a69079..44bc862198 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -2353,8 +2353,8 @@ SpatialMaterial::SpatialMaterial() : set_ao_light_affect(0.0); - set_metallic_texture_channel(TEXTURE_CHANNEL_BLUE); - set_roughness_texture_channel(TEXTURE_CHANNEL_GREEN); + set_metallic_texture_channel(TEXTURE_CHANNEL_RED); + set_roughness_texture_channel(TEXTURE_CHANNEL_RED); set_ao_texture_channel(TEXTURE_CHANNEL_RED); set_refraction_texture_channel(TEXTURE_CHANNEL_RED); |