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-rw-r--r--src/sim/cell/cell.rs2
-rw-r--r--src/sim/cell/materials/fire.rs77
-rw-r--r--src/sim/cell/materials/gas.rs24
-rw-r--r--src/sim/cell/materials/liquid.rs75
-rw-r--r--src/sim/cell/materials/mod.rs111
-rw-r--r--src/sim/cell/materials/powder.rs10
-rw-r--r--src/sim/cell/mod.rs1
7 files changed, 1 insertions, 299 deletions
diff --git a/src/sim/cell/cell.rs b/src/sim/cell/cell.rs
index 2a16d0c..6c6e704 100644
--- a/src/sim/cell/cell.rs
+++ b/src/sim/cell/cell.rs
@@ -1,4 +1,4 @@
-use crate::{config::SETTLED_THRESOHLD, sim::cell::materials::MaterialId};
+use crate::{config::SETTLED_THRESOHLD, content::materials::MaterialId};
#[derive(Clone, Copy)]
pub struct Cell {
diff --git a/src/sim/cell/materials/fire.rs b/src/sim/cell/materials/fire.rs
deleted file mode 100644
index 8cabe30..0000000
--- a/src/sim/cell/materials/fire.rs
+++ /dev/null
@@ -1,77 +0,0 @@
-use rand::RngExt;
-
-use crate::sim::{
- cell::{cell::Cell, materials::MaterialId},
- cell_manager::sim::{PostUpdateAction, UpdateCtx},
-};
-
-pub trait FireCellView {
- fn get_ticks_lived(self) -> u16;
- fn set_ticks_lived(&mut self, ticks: u16) -> ();
- fn is_flammable(self) -> bool;
-}
-
-impl FireCellView for Cell {
- fn get_ticks_lived(self) -> u16 {
- self.data
- }
- fn set_ticks_lived(&mut self, ticks: u16) {
- self.data = ticks;
- }
- // this could be a property of the material def, I think it's better here for now
- fn is_flammable(self) -> bool {
- [MaterialId::Wood].contains(&self.material)
- }
-}
-
-// TODO optimize number of rng calls?
-// TODO wtf is fire
-#[inline]
-pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
- let ticks_lived = ctx.cell.get_ticks_lived();
- // 2 seconds
- if ticks_lived > 240 {
- // we have a chance to live longer--roughly ?% chance of living an extra second
- if ctx.rng.random_range(0.0..1.0) > 0.9 {
- // kill ourselves, with a chance to turn into ash
- ctx.set_cell(0, 0, Cell::void());
- // the updater should take no action since we already killed ourselves
- return PostUpdateAction::None;
- }
- }
-
- // at an average of 4 times per lifespan, try to spread
- // 1/60 * 240 = 4
- if ctx.rng.random_range(0.0..1.0) > (59.0 / 60.0) {
- let (dx, dy) = (ctx.rng.random_range(-1..=1), ctx.rng.random_range(-1..=1));
- if let Some(target) = ctx.get_cell(dx, dy)
- && target.is_flammable()
- {
- ctx.set_cell(dx, dy, Cell::from_material(MaterialId::Fire));
- }
- }
-
- // 8 times in our lifespan, emit smoke
- if ticks_lived.is_multiple_of(30)
- && let Some(target) = ctx.get_cell(0, -1)
- && target.material == MaterialId::Void
- {
- for (dx, dy) in [
- (0, -1),
- (1 - ctx.seqno_parity as i32 * 2, 0),
- (-1 + ctx.seqno_parity as i32 * 2, 0),
- (0, 1),
- ] {
- if let Some(target) = ctx.get_cell(dx, dy)
- && target.material == MaterialId::Void
- {
- ctx.set_cell(dx, dy, Cell::from_material(MaterialId::Smoke));
- break;
- }
- }
- }
-
- ctx.cell.set_ticks_lived(ticks_lived + 1);
- // apply our new lifespan
- PostUpdateAction::Apply
-}
diff --git a/src/sim/cell/materials/gas.rs b/src/sim/cell/materials/gas.rs
deleted file mode 100644
index 229d0e9..0000000
--- a/src/sim/cell/materials/gas.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use rand::RngExt;
-
-use crate::sim::cell_manager::sim::{PostUpdateAction, UpdateCtx};
-
-#[inline]
-pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
- // only allow upward movement some of the time to limit movement speed
- if ctx.rng.random_range(0.0..1.0) > 0.8
- && ctx.swap_or_settle(&[(0, -1)]) == PostUpdateAction::None
- {
- return PostUpdateAction::None;
- }
- // same for each horizontal direction
- if ctx.rng.random_range(0.0..1.0) > 0.8
- && ctx.swap_or_settle(&[(1 - ctx.seqno_parity as i32 * 2, 0)]) == PostUpdateAction::None
- {
- return PostUpdateAction::None;
- }
- if ctx.rng.random_range(0.0..1.0) > 0.8 {
- return ctx.swap_or_settle(&[(-1 + ctx.seqno_parity as i32 * 2, 0)]);
- }
-
- PostUpdateAction::Apply
-}
diff --git a/src/sim/cell/materials/liquid.rs b/src/sim/cell/materials/liquid.rs
deleted file mode 100644
index 6c3bdcd..0000000
--- a/src/sim/cell/materials/liquid.rs
+++ /dev/null
@@ -1,75 +0,0 @@
-use crate::sim::cell_manager::sim::{PostUpdateAction, UpdateCtx};
-
-#[inline]
-pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
- // if the water can fall, do so
- if ctx.swap_or_settle(&[
- (0, 1),
- (-1 + 2 * ctx.seqno_parity as i32, 1),
- (1 - 2 * ctx.seqno_parity as i32, 1),
- ]) == PostUpdateAction::None
- {
- return PostUpdateAction::None;
- }
-
- // if the water can't fall, check if we can move left or right
- // these are inverted on parity so that we don't preference a direction
- let left_target = ctx.get_cell(-1, 0);
- let can_move_left =
- left_target.is_some_and(|c| c.material.def().density < ctx.material.density);
- let right_target = ctx.get_cell(1, 0);
- let can_move_right =
- right_target.is_some_and(|c| c.material.def().density < ctx.material.density);
-
- // we can't move down or to other side, so we're stuck
- if !can_move_left && !can_move_right {
- return PostUpdateAction::Settle;
- }
-
- // if we can't move left, just move right
- if !can_move_left {
- return ctx.swap_or_settle(&[(1, 0)]);
- }
- // and vice versa
- if !can_move_right {
- return ctx.swap_or_settle(&[(-1, 0)]);
- }
-
- // find the closest hole within 20 pixels (TODO optimize)
- // a hole is any space below us with a lesser density
- // prevents equidistance stuck state
- let starting_side = if ctx.seqno_parity == 0 { 1 } else { -1 };
- for i in 0..20 {
- let side = if i % 2 == 0 {
- starting_side
- } else {
- -starting_side
- };
-
- let offset = side * (1 + i / 2);
- let hole_target = ctx.get_cell(offset, 1);
- if let Some(target) = hole_target
- && target.material.def().density < ctx.material.density
- {
- // we identified a hole and we know that the space on this side is open
- // move toward the hole
- return ctx.swap_or_settle(&[(side, 0)]);
- }
- }
-
- return PostUpdateAction::Settle;
-
- // we didn't find a hole, so just move "randomly" on the same surface
- // TODO when to settle?
- // let target_x = if !can_move_left {
- // 1
- // } else if !can_move_right {
- // -1
- // } else if ctx.seqno_parity % 2 == 1 {
- // 1
- // } else {
- // -1
- // };
-
- // ctx.candidates_swap(&[(target_x, 0)]);
-}
diff --git a/src/sim/cell/materials/mod.rs b/src/sim/cell/materials/mod.rs
deleted file mode 100644
index 8116565..0000000
--- a/src/sim/cell/materials/mod.rs
+++ /dev/null
@@ -1,111 +0,0 @@
-use crate::sim::cell_manager::sim::{PostUpdateAction, UpdateCtx};
-
-pub mod fire;
-pub mod gas;
-pub mod liquid;
-pub mod powder;
-
-#[repr(u8)]
-#[derive(Clone, Copy, PartialEq, Eq, Debug)]
-pub enum MaterialId {
- Void = 0,
- Sand,
- Wood,
- Water,
- Fire,
- Smoke,
- Steel,
-}
-
-#[repr(u8)]
-#[derive(Clone, Copy, PartialEq, Eq, Debug)]
-pub enum MaterialForm {
- Void,
- Gas,
- Liquid,
- Powder,
- Solid,
-}
-
-pub struct MaterialDef {
- pub name: &'static str,
- pub color: (u8, u8, u8, u8),
- pub density: u8,
- pub form: MaterialForm,
- pub sim_update: Option<fn(ctx: &mut UpdateCtx) -> PostUpdateAction>,
-}
-
-static MATERIALS: [MaterialDef; 7] = [
- MaterialDef {
- name: "Void",
- color: (0x00, 0x00, 0x00, 0x00),
- density: 0,
- // form usually but not always determines the update fn
- form: MaterialForm::Void,
- sim_update: None,
- },
- MaterialDef {
- name: "Sand",
- color: (0xDE, 0xCB, 0x85, 0xFF),
- density: 50,
- form: MaterialForm::Powder,
- sim_update: Some(powder::sim_update),
- },
- MaterialDef {
- name: "Wood",
- color: (0x85, 0x56, 0x1D, 0xFF),
- density: 50,
- form: MaterialForm::Solid,
- sim_update: None,
- },
- MaterialDef {
- name: "Water",
- color: (0x38, 0xA9, 0xFF, 0xFF),
- density: 40,
- form: MaterialForm::Liquid,
- sim_update: Some(liquid::sim_update),
- },
- // TODO this is not a material
- MaterialDef {
- name: "Fire",
- color: (0xFC, 0x66, 0x00, 0xAA),
- // for now this matches wood
- density: 50,
- form: MaterialForm::Gas,
- sim_update: Some(fire::sim_update),
- },
- MaterialDef {
- name: "Smoke",
- color: (0x32, 0x35, 0x36, 0xAA),
- density: 15,
- form: MaterialForm::Gas,
- sim_update: Some(gas::sim_update),
- },
- MaterialDef {
- name: "Steel",
- color: (0x60, 0x60, 0x60, 0xFF),
- density: 150,
- form: MaterialForm::Solid,
- sim_update: None,
- },
-];
-
-impl MaterialId {
- pub const ALL: [MaterialId; 7] = [
- MaterialId::Void,
- MaterialId::Sand,
- MaterialId::Wood,
- MaterialId::Water,
- MaterialId::Fire,
- MaterialId::Smoke,
- MaterialId::Steel,
- ];
- #[inline]
- pub fn def(self) -> &'static MaterialDef {
- &MATERIALS[self as usize]
- }
-
- pub fn from_index(idx: u8) -> MaterialId {
- MaterialId::ALL[idx as usize]
- }
-}
diff --git a/src/sim/cell/materials/powder.rs b/src/sim/cell/materials/powder.rs
deleted file mode 100644
index 8c916e4..0000000
--- a/src/sim/cell/materials/powder.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use crate::sim::cell_manager::sim::{PostUpdateAction, UpdateCtx};
-
-#[inline]
-pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
- ctx.swap_or_settle(&[
- (0, 1),
- (-1 + 2 * ctx.seqno_parity as i32, 1),
- (1 - 2 * ctx.seqno_parity as i32, 1),
- ])
-}
diff --git a/src/sim/cell/mod.rs b/src/sim/cell/mod.rs
index 2d2175c..48433da 100644
--- a/src/sim/cell/mod.rs
+++ b/src/sim/cell/mod.rs
@@ -1,2 +1 @@
pub mod cell;
-pub mod materials;
generated by cgit v1.3.1 (git 2.54.0) at 2026-09-15 11:44:41 +0000