This one trick adds free FPS (do not do VXGI on completely transparent pixels)
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@ -4,12 +4,7 @@
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<img src="./docs/assets/program.win64.gcc.vulkan_2024-12-02_23-07-35.png" width="500px"></img>
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</p>
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An unnamed, almost-entirely from-scratch, engine written in C++, using:
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* a Unity-like ECS + scene system
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* `?`-like hook system for dispatching events
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* Vulkan (or OpenGL) as the rendering backend
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* ReactPhysics3D for physics
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* OpenAL for audio
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An unnamed, almost-entirely from-scratch, engine written in C++.
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## Build
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@ -25,7 +20,7 @@ To compile, run `make`. The outputted libraries and executables will be placed i
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Currently, assets are not provided due to size (but mostly due to being test assets).
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*If* adequate assets are provided, run `./program.sh`.
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*If* adequate assets are provided, run `./program.sh` or `make run`. This ensures the path to the required libraries are added to the PATH.
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## Documentation
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@ -6,12 +6,12 @@
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"meshes": { "interleaved": false },
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"lights": { "enabled": true,
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"useLightmaps": false,
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"max": 16,
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"max": 32,
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"shadows": {
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"enabled": true,
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"update": 4,
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"max": 8,
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"samples": 4
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"samples": 2
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},
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"bloom": {
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"scale": 1.0,
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@ -30,11 +30,11 @@
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},
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"vxgi": {
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// "limiter": 0,
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"limiter": 0.125,
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"size": 256,
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"limiter": 0.5,
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"size": 128,
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"dispatch": 8,
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"cascades": 4,
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"cascadePower": 1.5,
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"cascades": 3,
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"cascadePower": 2.0,
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"granularity": 12,
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"voxelizeScale": 1,
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"occlusionFalloff": 2,
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@ -58,7 +58,7 @@
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}
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},
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"graph": {
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"initial buffer elements": 1024,
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"initial buffer elements": 2048,
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"global storage": false
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},
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"ext": {
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@ -114,7 +114,7 @@
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"deferred": true,
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"gui": true,
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"vsync": false,
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"hdr": false,
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"hdr": true,
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"vxgi": true,
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"culling": true,
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"bloom": false,
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@ -11,12 +11,12 @@
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// exact matches
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"worldspawn": {
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"physics": { "type": "mesh", "static": true },
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"grid": { "size": [8,1,8], "epsilon": 0.001, "cleanup": true, "print": true },
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"grid": { "size": [16,1,16], "epsilon": 0.001, "cleanup": true, "print": true },
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"optimize meshlets": { "simplify": 0.125, "print": false },
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"unwrap mesh": true
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},
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"worldspawn_skybox": {
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"grid": { "size": [8,1,8], "epsilon": 0.001, "cleanup": true, "print": true },
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"grid": { "size": [16,1,16], "epsilon": 0.001, "cleanup": true, "print": true },
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"optimize meshlets": { "simplify": 0.125, "print": false },
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"unwrap mesh": true
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},
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@ -1,8 +1,8 @@
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{
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"import": "./base_sourceengine.json",
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"assets": [
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{ "filename": "./models/sh2_mcdonalds.glb" }
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// { "filename": "./models/sh2_mcdonalds/graph.json" }
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// { "filename": "./models/sh2_mcdonalds.glb" }
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{ "filename": "./models/sh2_mcdonalds/graph.json" }
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],
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"metadata": {
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"graph": {
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@ -23,7 +23,7 @@
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},
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*/
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"/^worldspawn_barrier$/": { "ignore": true },
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// "/^worldspawn_skybox/": { "ignore": true },
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"/^worldspawn_skybox/": { "ignore": true },
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"func_door_rotating_5473": { "action": "load", "payload": { "import": "/door.json", "metadata": { "angle":-1.570795, "normal": [1,0,0] } } },
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"func_door_rotating_5509": { "action": "load", "payload": { "import": "/door.json", "metadata": { "angle":-1.570795, "normal": [1,0,0] } } },
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{
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// "import": "./rp_downtown_v2.json"
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// "import": "./ss2_medsci1.json"
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// "import": "./sh2_mcdonalds.json"
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"import": "./animal_crossing.json"
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"import": "./sh2_mcdonalds.json"
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// "import": "./animal_crossing.json"
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// "import": "./mds_mcdonalds.json"
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// "import": "./gm_construct.json"
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}
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@ -180,7 +180,7 @@ void indirectLightingVXGI() {
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// deferred sampling doesn't have a blended albedo buffer
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// in place we'll just cone trace behind the window
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#if !RT
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if ( surface.material.albedo.a < 1.0 ) {
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if ( 0.1 < surface.material.albedo.a && surface.material.albedo.a < 1.0 ) {
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Ray ray;
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ray.direction = surface.ray.direction;
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ray.origin = surface.position.world + ray.direction;
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@ -4,6 +4,39 @@
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To be filled.
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* a Unity-like ECS + scene + asset system
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* entities stores components and behaviors
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* scenes load a tree of entities
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* entities are defined through JSON files (which are processed as gunzipped msgpacks for subsequent loads) which can reference assets or further entities
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* Lua to extend the engine
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* Garry's Mod-like hook system for dispatching events
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* events are dispatched through the hook system by sending a payload to hooks tied to a given name / payload type
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* by default, these are JSON payloads, but most internal hooks send unique structs instead
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* Vulkan (or OpenGL) as the rendering backend
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* the Vulkan backend heavily makes use of an almost-GPU driven deferred rendering system
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* "G-buffer" can consist solely of IDs, barycentrics, and depth, and all geometry information is then reconstructed during the deferred compute pass
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* shadow maps are rendered to each light's shadow maps
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* point lights are treated as a cubemap
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* basic PBR shading
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* a sovlful (sloppy) VXGI for GI and reflections
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* (currently broken) hardware RT support
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* (currently broken) bloom and additional post processing
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* FSR2 or something cringe
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* OpenGL uses a very, very naive OpenGL 1.2 API with a homebrewed command recording system
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* ReactPhysics3D for physics
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* *very* loosely integrated
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* basic shapes and triangulated mesh collision and some form of ray queries
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* OpenAL for audio
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* Currently only loads from ogg (vorbis) files
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* Supports loading in full and streaming
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* *very* loosely integrated
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## Supported Systems
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* Windows
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* *technically* also Linux under Proton
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* Sega Dreamcast
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## Notices and Citations
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Unless otherwise credited/noted in this repo or within the designated file/folder, this repository is [licensed](/LICENSE) under AGPLv3.
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Unless otherwise credited/noted in this repo or within the designated file/folder, this repository is [licensed](/LICENSE) under AGPLv3 (I do not have a master record of dependencies).
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#include <uf/utils/camera/camera.h>
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#include <uf/ext/xatlas/xatlas.h>
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// it's too unstable right now to do multithreaded loading, perhaps there's a better way
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#if UF_USE_OPENGL
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#define UF_GRAPH_LOAD_MULTITHREAD 0
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#else
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#define UF_GRAPH_LOAD_MULTITHREAD 1
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#define UF_GRAPH_LOAD_MULTITHREAD 0
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#endif
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#if 0 && UF_ENV_DREAMCAST
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