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::classes::{ReplicationClass, SimulationMode};
use crate::physics::collision::{CollisionMode, CollisionPolicy};
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::Surface,
        authority: AuthorityProfile::AuthoritativeSurfaceRecognized,
        semantics: SemanticBinding::default(),
        shape: SpawnShape::Point,
        spawn: SpawnPolicy {
            mode: SpawnMode::Burst,
            rate_per_sec: 0.0,
            burst_count: 10,
            max_live: 50,
            warmup_seconds: 0.0,
            looped: false,
            seed: 0,
            density_scale_lod: false,
        },
        initialize: InitPolicy::default(),
        simulate: SimPolicy {
            mode: SimulationMode::Full,
            gravity: [0.0, -5.0, 0.0],
            drag: 0.1,
            damping: 0.05,
            noise: None,
            forces: vec![],
            lifetime: LifetimePolicy {
                seconds: 1.0,
                random_range: None,
            },
            behaviors: vec![],
        },
        collision: CollisionPolicy {
            mode: CollisionMode::None,
            ..CollisionPolicy::default()
        },
        render: RenderPolicy {
            mode: RenderMode::Billboard,
            ..RenderPolicy::default()
        },
        promotion: PromotionPolicy::default(),
        budgets: BudgetPolicy {
            max_gpu_particles: 100,
            importance: "Low".into(),
            offscreen_mode: SimulationMode::Culled,
        },
        replication: ReplicationPolicy {
            class: ReplicationClass::None,
        },
        supported_views: vec![RepresentationMode::World3D, RepresentationMode::Sprite2D],
        tags: vec!["surface".into()],
    }
}

pub fn catalog() -> Vec<PresetCatalogEntry> {
    vec![
        {
            let mut e = base_entry("surface_footstep_dust", "Footstep Dust");
            e.spawn.burst_count = 8;
            e.simulate.gravity = [0.0, 0.2, 0.0];
            e.simulate.lifetime.seconds = 1.5;
            e.simulate.drag = 0.2;
            e.initialize.color = [0.7, 0.65, 0.55, 0.5];
            e.tags.push("footstep".into());
            e.tags.push("dust".into());
            e
        },
        {
            let mut e = base_entry("surface_footstep_splash", "Footstep Splash");
            e.spawn.burst_count = 12;
            e.simulate.lifetime.seconds = 0.6;
            e.initialize.color = [0.5, 0.6, 0.8, 0.6];
            e.semantics.trait_tags = vec!["isLiquid".into()];
            e.tags.push("footstep".into());
            e.tags.push("water".into());
            e
        },
        {
            let mut e = base_entry("surface_footstep_snow", "Footstep Snow");
            e.spawn.burst_count = 6;
            e.simulate.gravity = [0.0, -0.5, 0.0];
            e.simulate.lifetime.seconds = 1.0;
            e.initialize.color = [0.95, 0.97, 1.0, 0.7];
            e.tags.push("footstep".into());
            e.tags.push("snow".into());
            e
        },
        {
            let mut e = base_entry("surface_footstep_sand", "Footstep Sand");
            e.spawn.burst_count = 10;
            e.simulate.gravity = [0.0, -1.0, 0.0];
            e.simulate.lifetime.seconds = 1.2;
            e.initialize.color = [0.85, 0.78, 0.55, 0.5];
            e.tags.push("footstep".into());
            e.tags.push("sand".into());
            e
        },
        {
            let mut e = base_entry("surface_footstep_grass", "Footstep Grass");
            e.spawn.burst_count = 5;
            e.simulate.gravity = [0.0, 0.1, 0.0];
            e.simulate.lifetime.seconds = 0.8;
            e.initialize.color = [0.3, 0.6, 0.15, 0.5];
            e.tags.push("footstep".into());
            e.tags.push("grass".into());
            e
        },
        {
            let mut e = base_entry("surface_slide_sparks", "Slide Sparks");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 30.0;
            e.spawn.max_live = 100;
            e.simulate.gravity = [0.0, -3.0, 0.0];
            e.simulate.lifetime.seconds = 0.4;
            e.initialize.color = [1.0, 0.8, 0.3, 1.0];
            e.semantics.trait_tags = vec!["isMetal".into()];
            e.tags.push("slide".into());
            e
        },
        {
            let mut e = base_entry("surface_drag_trail", "Drag Trail");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 20.0;
            e.spawn.max_live = 80;
            e.render.mode = RenderMode::Ribbon;
            e.simulate.gravity = [0.0, 0.0, 0.0];
            e.simulate.lifetime.seconds = 1.0;
            e.initialize.color = [0.7, 0.65, 0.55, 0.4];
            e.tags.push("drag".into());
            e
        },
        {
            let mut e = base_entry("surface_landing_dust", "Landing Dust");
            e.spawn.burst_count = 20;
            e.shape = SpawnShape::Ring {
                radius: 0.5,
                thickness: 0.1,
            };
            e.simulate.gravity = [0.0, 0.3, 0.0];
            e.simulate.lifetime.seconds = 1.5;
            e.simulate.drag = 0.2;
            e.initialize.color = [0.7, 0.65, 0.55, 0.5];
            e.tags.push("landing".into());
            e
        },
        {
            let mut e = base_entry("surface_landing_splash", "Landing Splash");
            e.spawn.burst_count = 25;
            e.shape = SpawnShape::Ring {
                radius: 0.3,
                thickness: 0.1,
            };
            e.simulate.lifetime.seconds = 0.8;
            e.initialize.color = [0.5, 0.6, 0.8, 0.6];
            e.semantics.trait_tags = vec!["isLiquid".into()];
            e.tags.push("landing".into());
            e
        },
        {
            let mut e = base_entry("surface_skid_marks", "Skid Marks");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 15.0;
            e.spawn.max_live = 60;
            e.render.mode = RenderMode::Ribbon;
            e.simulate.gravity = [0.0, 0.0, 0.0];
            e.simulate.lifetime.seconds = 5.0;
            e.initialize.color = [0.2, 0.18, 0.15, 0.6];
            e.tags.push("skid".into());
            e
        },
        {
            let mut e = base_entry("surface_wheel_spray", "Wheel Spray");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 40.0;
            e.spawn.max_live = 200;
            e.simulate.lifetime.seconds = 1.0;
            e.initialize.color = [0.6, 0.55, 0.45, 0.5];
            e.tags.push("wheel".into());
            e
        },
        {
            let mut e = base_entry("surface_scratch_sparks", "Scratch Sparks");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 25.0;
            e.spawn.max_live = 80;
            e.simulate.gravity = [0.0, -2.0, 0.0];
            e.simulate.lifetime.seconds = 0.3;
            e.initialize.color = [1.0, 0.7, 0.2, 1.0];
            e.tags.push("scratch".into());
            e
        },
        {
            let mut e = base_entry("surface_erosion_dust", "Erosion Dust");
            e.spawn.mode = SpawnMode::Continuous;
            e.spawn.rate_per_sec = 5.0;
            e.spawn.max_live = 40;
            e.simulate.gravity = [0.0, -0.3, 0.0];
            e.simulate.lifetime.seconds = 3.0;
            e.simulate.drag = 0.15;
            e.initialize.color = [0.75, 0.7, 0.6, 0.3];
            e.tags.push("erosion".into());
            e
        },
    ]
}