dreamwell-engine 1.0.0

Dreamwell pure-logic engine library — transforms, hierarchy, canon pipeline, spatial math, hashing, tile rules, validation, waymark schema, material/lighting descriptors. No SpacetimeDB dependency.
Documentation
use super::*;
use crate::physics::behaviors::BehaviorBlock;
use crate::physics::classes::{ReplicationClass, SimulationMode};
use crate::physics::collision::{CollisionMode, CollisionPolicy, CollisionResponse};
use crate::physics::emitter::*;
use crate::physics::promotion::PromotionPolicy;
use crate::physics::render_mode::{RenderMode, RepresentationMode};
use crate::physics::render_policy::RenderPolicy;
use crate::physics::semantic_binding::SemanticBinding;

fn base_entry(id: &str, name: &str) -> PresetCatalogEntry {
    PresetCatalogEntry {
        id: id.into(),
        name: name.into(),
        family: PresetFamily::Environment,
        authority: AuthorityProfile::VisualOnly,
        semantics: SemanticBinding::default(),
        shape: SpawnShape::Box {
            extents: [5.0, 3.0, 5.0],
        },
        spawn: SpawnPolicy {
            mode: SpawnMode::Continuous,
            rate_per_sec: 10.0,
            burst_count: 0,
            max_live: 200,
            warmup_seconds: 0.0,
            looped: true,
            seed: 0,
            density_scale_lod: true,
        },
        initialize: InitPolicy::default(),
        simulate: SimPolicy {
            mode: SimulationMode::Full,
            gravity: [0.0, -1.0, 0.0],
            drag: 0.1,
            damping: 0.02,
            noise: None,
            forces: vec![],
            lifetime: LifetimePolicy {
                seconds: 6.0,
                random_range: None,
            },
            behaviors: vec![BehaviorBlock::Drift],
        },
        collision: CollisionPolicy {
            mode: CollisionMode::None,
            ..CollisionPolicy::default()
        },
        render: RenderPolicy {
            mode: RenderMode::Billboard,
            ..RenderPolicy::default()
        },
        promotion: PromotionPolicy::default(),
        budgets: BudgetPolicy {
            max_gpu_particles: 300,
            importance: "Low".into(),
            offscreen_mode: SimulationMode::Culled,
        },
        replication: ReplicationPolicy {
            class: ReplicationClass::None,
        },
        supported_views: vec![
            RepresentationMode::World3D,
            RepresentationMode::Sprite2D,
            RepresentationMode::Isometric2D,
        ],
        tags: vec!["environment".into()],
    }
}

pub fn catalog() -> Vec<PresetCatalogEntry> {
    vec![
        {
            let mut e = base_entry("env_leaf_fall", "Leaf Fall");
            e.simulate.gravity = [0.0, -0.8, 0.0];
            e.simulate.behaviors = vec![BehaviorBlock::Wobble, BehaviorBlock::Drift];
            e.initialize.color = [0.4, 0.6, 0.15, 0.9];
            e.tags.push("leaf".into());
            e
        },
        {
            let mut e = base_entry("env_pollen_drift", "Pollen Drift");
            e.spawn.rate_per_sec = 5.0;
            e.simulate.gravity = [0.0, 0.1, 0.0];
            e.simulate.drag = 0.3;
            e.simulate.lifetime.seconds = 10.0;
            e.initialize.color = [1.0, 0.95, 0.5, 0.4];
            e.tags.push("pollen".into());
            e
        },
        {
            let mut e = base_entry("env_dust_motes", "Dust Motes");
            e.spawn.rate_per_sec = 8.0;
            e.simulate.gravity = [0.0, 0.0, 0.0];
            e.simulate.lifetime.seconds = 8.0;
            e.initialize.color = [0.8, 0.75, 0.65, 0.3];
            e.tags.push("dust".into());
            e
        },
        {
            let mut e = base_entry("env_firefly_glow", "Firefly Glow");
            e.spawn.rate_per_sec = 3.0;
            e.simulate.gravity = [0.0, 0.0, 0.0];
            e.simulate.behaviors = vec![BehaviorBlock::Wobble, BehaviorBlock::Hover];
            e.simulate.lifetime.seconds = 5.0;
            e.initialize.color = [0.8, 1.0, 0.3, 0.9];
            e.render.mode = RenderMode::PointCloud;
            e.tags.push("firefly".into());
            e
        },
        {
            let mut e = base_entry("env_campfire_sparks", "Campfire Sparks");
            e.spawn.rate_per_sec = 15.0;
            e.shape = SpawnShape::Cone {
                radius: 0.2,
                angle_radians: 0.3,
            };
            e.simulate.gravity = [0.0, 1.5, 0.0];
            e.simulate.lifetime.seconds = 2.0;
            e.initialize.color = [1.0, 0.6, 0.1, 1.0];
            e.semantics.trait_tags = vec!["isFlammable".into()];
            e.tags.push("fire".into());
            e
        },
        {
            let mut e = base_entry("env_torch_flame", "Torch Flame");
            e.spawn.rate_per_sec = 30.0;
            e.shape = SpawnShape::Cone {
                radius: 0.05,
                angle_radians: 0.2,
            };
            e.simulate.gravity = [0.0, 2.0, 0.0];
            e.simulate.lifetime.seconds = 0.5;
            e.initialize.color = [1.0, 0.5, 0.0, 0.9];
            e.tags.push("fire".into());
            e
        },
        {
            let mut e = base_entry("env_candle_flicker", "Candle Flicker");
            e.spawn.rate_per_sec = 10.0;
            e.shape = SpawnShape::Point;
            e.simulate.gravity = [0.0, 0.8, 0.0];
            e.simulate.lifetime.seconds = 0.3;
            e.initialize.color = [1.0, 0.7, 0.2, 0.8];
            e.tags.push("fire".into());
            e
        },
        {
            let mut e = base_entry("env_waterfall_mist", "Waterfall Mist");
            e.spawn.rate_per_sec = 25.0;
            e.shape = SpawnShape::Line { length: 3.0 };
            e.simulate.gravity = [0.0, 0.3, 0.0];
            e.simulate.drag = 0.2;
            e.simulate.lifetime.seconds = 4.0;
            e.initialize.color = [0.8, 0.9, 1.0, 0.3];
            e.semantics.trait_tags = vec!["isLiquid".into()];
            e.tags.push("water".into());
            e
        },
        {
            let mut e = base_entry("env_steam_vent", "Steam Vent");
            e.spawn.rate_per_sec = 20.0;
            e.shape = SpawnShape::Cone {
                radius: 0.3,
                angle_radians: 0.4,
            };
            e.simulate.gravity = [0.0, 1.0, 0.0];
            e.simulate.drag = 0.15;
            e.simulate.lifetime.seconds = 3.0;
            e.initialize.color = [0.9, 0.9, 0.9, 0.4];
            e.tags.push("steam".into());
            e
        },
        {
            let mut e = base_entry("env_volcanic_ash", "Volcanic Ash");
            e.spawn.rate_per_sec = 15.0;
            e.simulate.gravity = [0.0, -0.5, 0.0];
            e.simulate.lifetime.seconds = 8.0;
            e.initialize.color = [0.3, 0.28, 0.25, 0.6];
            e.semantics.trait_tags = vec!["isHazard".into()];
            e.tags.push("volcanic".into());
            e
        },
        {
            let mut e = base_entry("env_sand_wind", "Sand Wind");
            e.spawn.rate_per_sec = 30.0;
            e.simulate.gravity = [0.0, -0.2, 0.0];
            e.simulate.lifetime.seconds = 3.0;
            e.initialize.color = [0.85, 0.75, 0.5, 0.5];
            e.tags.push("sand".into());
            e
        },
        {
            let mut e = base_entry("env_snow_settle", "Snow Settle");
            e.spawn.rate_per_sec = 12.0;
            e.simulate.gravity = [0.0, -0.5, 0.0];
            e.simulate.behaviors = vec![BehaviorBlock::Wobble];
            e.simulate.lifetime.seconds = 6.0;
            e.initialize.color = [0.95, 0.97, 1.0, 0.8];
            e.collision.mode = CollisionMode::Plane;
            e.collision.response = CollisionResponse::Stick;
            e.tags.push("snow".into());
            e
        },
        {
            let mut e = base_entry("env_flower_petals", "Flower Petals");
            e.spawn.rate_per_sec = 4.0;
            e.simulate.gravity = [0.0, -0.4, 0.0];
            e.simulate.behaviors = vec![BehaviorBlock::Wobble, BehaviorBlock::Drift];
            e.simulate.lifetime.seconds = 8.0;
            e.initialize.color = [1.0, 0.6, 0.7, 0.9];
            e.tags.push("petals".into());
            e
        },
        {
            let mut e = base_entry("env_spore_release", "Spore Release");
            e.spawn.rate_per_sec = 8.0;
            e.shape = SpawnShape::Sphere { radius: 0.2 };
            e.simulate.gravity = [0.0, 0.3, 0.0];
            e.simulate.lifetime.seconds = 5.0;
            e.initialize.color = [0.5, 0.7, 0.3, 0.5];
            e.semantics.trait_tags = vec!["isOrganic".into()];
            e.tags.push("spore".into());
            e
        },
        {
            let mut e = base_entry("env_aurora_wisp", "Aurora Wisp");
            e.spawn.rate_per_sec = 6.0;
            e.simulate.gravity = [0.0, 0.0, 0.0];
            e.simulate.behaviors = vec![BehaviorBlock::Wobble, BehaviorBlock::Drift];
            e.simulate.lifetime.seconds = 10.0;
            e.render.mode = RenderMode::Ribbon;
            e.initialize.color = [0.3, 1.0, 0.5, 0.6];
            e.tags.push("aurora".into());
            e
        },
    ]
}