pke: audio: fx boilerplate, low-pass spatial

1 files changed, 22 insertions, 1 deletions

diff --git a/src/audio.cpp b/src/audio.cpp
index 194c01c..33ea740 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -3,6 +3,8 @@
 #include "asset-manager.hpp"
 #include "audio-impl-pw.hpp"
 #include "audio.hpp"
+#include "ecs.hpp"
+#include "math-helpers.hpp"
 #include "pk.h"
 
 struct pke_audio_master pke_audio_mstr{};
@@ -26,11 +28,29 @@ void pke_audio_teardown() {
 }
 void pke_audio_tick(double delta) {
 	(void)delta;
+	uint32_t i, k;
 #ifdef PKE_AUDIO_IMPL_PIPEWIRE
 	if (pke_audio_pw.is_needing_output_remapped == true) {
 		pke_audio_pw_remap_outputs();
 	}
 #endif
+	pke_audio_mstr.mtx_buffer.lock();
+	for (i = 0; i < pke_audio_mstr.playing_objects.next; ++i) {
+		for (k = 0; k < pke_audio_mstr.playing_objects[i].play_count; ++k) {
+			if (pke_audio_mstr.playing_objects[i].instance_handle[k] == InstanceHandle_MAX) {
+				continue;
+			}
+			CompInstance *inst = ECS_GetInstance(pke_audio_mstr.playing_objects[i].instance_handle[k]);
+			if (inst == nullptr || inst->instanceHandle == InstanceHandle_MAX) {
+				continue;
+			}
+			BulletToGlm(
+				inst->bt.rigidBody->getWorldTransform().getOrigin(),
+				pke_audio_mstr.playing_objects[i].position_source[k]
+			);
+		}
+	}
+	pke_audio_mstr.mtx_buffer.unlock();
 }
 
 float pke_audio_get_volume(pke_audio_source source) {
@@ -46,7 +66,7 @@ bool pke_audio_playing_objects_find_first_by_key(void *user_data, void *arr_data
 	pke_audio_obj &audio_obj = *reinterpret_cast<pke_audio_obj*>(arr_data);
 	return std::get<0>(tup) == audio_obj.handle && std::get<1>(tup) == audio_obj.source;
 }
-void pke_audio_play(AssetHandle handle, pke_audio_source audio_source, glm::vec3 position_source, pke_audio_flags flags) {
+void pke_audio_play(AssetHandle handle, pke_audio_source audio_source, pke_audio_flags flags, glm::vec3 position_source, InstanceHandle instance_handle) {
 	// TODO validation: audio length (does it fit in uint32_t), etc
 	// TODO rethink threading: first-pass only mutex
 	std::tuple<AssetHandle, pke_audio_source> tup {handle, audio_source};
@@ -67,6 +87,7 @@ void pke_audio_play(AssetHandle handle, pke_audio_source audio_source, glm::vec3
 		idx = aobj->play_count;
 		aobj->play_count += 1;
 	}
+	aobj->instance_handle[idx] = instance_handle;
 	aobj->position_source[idx] = position_source;
 	aobj->flags[idx]           = flags;
 	aobj->play_heads[idx]      = 0;