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Merged
AhmedSobhy01 merged 20 commits into from
Apr 17, 2026
Merged

feat: add audio system using OpenAL #33

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6d16575
chore: add openal submodule
LoayAhmed304 Apr 14, 2026
b6b217b
chore: add audio files decoders
LoayAhmed304 Apr 14, 2026
6db0f6a
refactor: update CMakeLists for OpenAl options
LoayAhmed304 Apr 14, 2026
cd8ce27
refactor: remove stb_vorbis for ogg audio files
LoayAhmed304 Apr 14, 2026
a86cc45
feat: create audio buffer wrapper
LoayAhmed304 Apr 14, 2026
60ac7b8
feat: add utils for reading audio files
LoayAhmed304 Apr 14, 2026
2ffd402
feat: add sound source component and update CMakeLists
LoayAhmed304 Apr 14, 2026
c5a0de7
feat: initialize at application and apply menu music
LoayAhmed304 Apr 15, 2026
fef4255
fix: state switching results to audios not playing correctly
LoayAhmed304 Apr 15, 2026
549571c
feat: add more sounds in play state as a placeholder
LoayAhmed304 Apr 15, 2026
7130edc
perf: use asset loader and cache menu audio buffers
LoayAhmed304 Apr 15, 2026
35c908a
refactor: detach buffer on sound stop and remove unused data member
LoayAhmed304 Apr 15, 2026
b7cf5b8
chore: apply review suggestions
LoayAhmed304 Apr 15, 2026
1c3a5ef
fix: remove compiler path and intellisenseMode from cpp_properties
LoayAhmed304 Apr 17, 2026
82dbc86
perf: destroy menu state audio buffers
LoayAhmed304 Apr 17, 2026
5cefdd9
Merge branch 'main' into feat/audio-system
LoayAhmed304 Apr 17, 2026
0da5ad6
fix(flake.nix): add pipewire to buildInputs for OpenAL backend
AhmedAmrNabil Apr 17, 2026
b8df9c8
refactor: rename custom json configs to playgrounds
LoayAhmed304 Apr 17, 2026
90555b4
Merge branch 'main' into feat/audio-system
LoayAhmed304 Apr 17, 2026
b125e3e
fix: fix cpp extensions configurations in .vscode
LoayAhmed304 Apr 17, 2026
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8 changes: 6 additions & 2 deletions .vscode/c_cpp_properties.json
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Expand Up @@ -2,8 +2,12 @@
"configurations": [
{
"name": "Default",
"compileCommands": "${workspaceFolder}/build/compile_commands.json"
"compileCommands": "${workspaceFolder}/build/compile_commands.json",
"cppStandard": "c++17",
"browse": {
"path": ["${workspaceFolder}/src", "${workspaceFolder}/vendor"]
}
}
],
"version": 4
}
}
4 changes: 4 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -167,6 +167,10 @@ add_executable(${PROJECT_NAME}
src/game/systems/collision-system.cpp

src/common/systems/forward-renderer.cpp
src/common/systems/audio-system.cpp

src/common/audio/audio-utils.cpp
src/common/components/audio-source.cpp
)

target_include_directories(${PROJECT_NAME}
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291 changes: 291 additions & 0 deletions config/playgrounds/sound.jsonc
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@@ -0,0 +1,291 @@
{
"start-scene": "menu",
"window": {
"title": "Default Game Window",
"size": {
"width": 1280,
"height": 720
},
"fullscreen": false
},
"scene": {
"renderer": {
"sky": "assets/textures/sky.jpg",
"postprocess": "assets/shaders/postprocess/vignette.frag"
},
"assets": {
"shaders": {
"tinted": {
"vs": "assets/shaders/tinted.vert",
"fs": "assets/shaders/tinted.frag"
},
"textured": {
"vs": "assets/shaders/textured.vert",
"fs": "assets/shaders/textured.frag"
}
},
"textures": {
"moon": "assets/textures/moon.jpg",
"grass": "assets/textures/grass_ground_d.jpg",
"wood": "assets/textures/wood.jpg",
"glass": "assets/textures/glass-panels.png",
"monkey": "assets/textures/monkey.png"
},
"meshes": {
"cube": "assets/models/cube.obj",
"monkey": "assets/models/monkey.obj",
"plane": "assets/models/plane.obj",
"sphere": "assets/models/sphere.obj"
},
"samplers": {
"default": {},
"pixelated": {
"MAG_FILTER": "GL_NEAREST"
}
},
"materials": {
"metal": {
"type": "tinted",
"shader": "tinted",
"pipelineState": {
"faceCulling": {
"enabled": false
},
"depthTesting": {
"enabled": true
}
},
"tint": [0.45, 0.4, 0.5, 1]
},
"glass": {
"type": "textured",
"shader": "textured",
"pipelineState": {
"faceCulling": {
"enabled": false
},
"depthTesting": {
"enabled": true
},
"blending": {
"enabled": true,
"sourceFactor": "GL_SRC_ALPHA",
"destinationFactor": "GL_ONE_MINUS_SRC_ALPHA"
},
"depthMask": false
},
"transparent": true,
"tint": [1, 1, 1, 1],
"texture": "glass",
"sampler": "pixelated"
},
"grass": {
"type": "textured",
"shader": "textured",
"pipelineState": {
"faceCulling": {
"enabled": false
},
"depthTesting": {
"enabled": true
}
},
"tint": [1, 1, 1, 1],
"texture": "grass",
"sampler": "default"
},
"monkey": {
"type": "textured",
"shader": "textured",
"pipelineState": {
"faceCulling": {
"enabled": false
},
"depthTesting": {
"enabled": true
}
},
"tint": [1, 1, 1, 1],
"texture": "monkey",
"sampler": "default"
},
"moon": {
"type": "textured",
"shader": "textured",
"pipelineState": {
"faceCulling": {
"enabled": false
},
"depthTesting": {
"enabled": true
}
},
"tint": [1, 1, 1, 1],
"texture": "moon",
"sampler": "default"
}
},
"sounds": {
"gun-reload": "assets/sounds/gun_reload.wav",
"portal": "assets/sounds/portal.wav"
}
},
"world": [
{
"position": [0, 0, 10],
"name": "Player Entity",
"components": [
{
"type": "Camera"
},
{
"type": "Free Camera Controller"
},
{
"type": "Collider",
"shape": "Capsule",
"height": 1.8,
"radius": 0.4,
"layer": "player"
}
],
"children": [
{
"name": "Player Sword",
"position": [1, -1, -1],
"rotation": [45, 45, 0],
"scale": [0.1, 0.1, 1.0],
"components": [
{
"type": "Mesh Renderer",
"mesh": "cube",
"material": "metal"
}
]
}
]
},
{
"rotation": [-45, 0, 0],
"components": [
{
"type": "Mesh Renderer",
"mesh": "monkey",
"material": "monkey"
},
{
"type": "Movement",
"linearVelocity": [0, 0.1, 0],
"angularVelocity": [0, 45, 0]
},
{
"type": "AudioSource",
"soundName": "portal",
"gain": 1.0,
"pitch": 1.0,
"loop": true,
"spatial": true,
"playOnStart": true,
"refDistance": 0.5,
"maxDistance": 5.0
}
]
},
{
"position": [0, -1, 0],
"rotation": [-90, 0, 0],
"scale": [10, 10, 1],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "grass"
}
]
},
{
"position": [0, 1, 2],
"rotation": [0, 0, 0],
"scale": [2, 2, 2],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "glass"
}
]
},
{
"position": [0, 1, -2],
"rotation": [0, 0, 0],
"scale": [2, 2, 2],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "glass"
}
]
},
{
"position": [2, 1, 0],
"rotation": [0, 90, 0],
"scale": [2, 2, 2],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "glass"
}
]
},
{
"position": [-2, 1, 0],
"rotation": [0, 90, 0],
"scale": [2, 2, 2],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "glass"
}
]
},
{
"position": [0, 3, 0],
"rotation": [90, 0, 0],
"scale": [2, 2, 2],
"components": [
{
"type": "Mesh Renderer",
"mesh": "plane",
"material": "glass"
}
]
},
{
"name": "Moon Entity",
"position": [0, 10, 0],
"rotation": [45, 45, 0],
"scale": [5, 5, 5],
"components": [
{
"type": "Mesh Renderer",
"mesh": "sphere",
"material": "moon"
},
{
"type": "Movement",
"angularVelocity": [0, 90, 0]
},
{
"type": "Collider",
"shape": "Sphere",
"radius": 5,
"layer": "environment"
}
]
}
]
}
}
3 changes: 3 additions & 0 deletions flake.nix
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Expand Up @@ -23,6 +23,9 @@
libGL
libffi

# Audio
pipewire

# Wayland
wayland
wayland-protocols
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4 changes: 4 additions & 0 deletions src/common/application.cpp
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Expand Up @@ -266,6 +266,8 @@ int our::Application::run(int run_for_frames) {
ImGui_ImplGlfw_InitForOpenGL(window, true);
ImGui_ImplOpenGL3_Init("#version 330 core");

audioSystem.initialize();

// This part of the code extracts the list of requested screenshots and puts them into a priority queue
using ScreenshotRequest = std::pair<int, std::string>;
std::priority_queue<ScreenshotRequest, std::vector<ScreenshotRequest>, std::greater<ScreenshotRequest>>
Expand Down Expand Up @@ -389,6 +391,8 @@ int our::Application::run(int run_for_frames) {
// Call for cleaning up
if (currentState) currentState->onDestroy();

audioSystem.destroy();

// Shutdown ImGui & destroy the context
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplGlfw_Shutdown();
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7 changes: 7 additions & 0 deletions src/common/application.hpp
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Expand Up @@ -16,6 +16,7 @@

#include "input/keyboard.hpp"
#include "input/mouse.hpp"
#include "systems/audio-system.hpp"

namespace our {

Expand Down Expand Up @@ -73,6 +74,8 @@ namespace our {
State* nextState =
nullptr; // If it is requested to go to another scene, this will contain a pointer to that scene

AudioSystem audioSystem; // The audio system of the application.

// Virtual functions to be overrode and change the default behaviour of the application
// according to the example needs.
virtual void configureOpenGL(); // This function sets OpenGL Window Hints in GLFW.
Expand Down Expand Up @@ -159,5 +162,9 @@ namespace our {
glfwGetWindowSize(window, &(size.x), &(size.y));
return size;
}

AudioSystem& getAudioSystem() {
return audioSystem;
};
};
} // namespace our
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