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rework pathfinding, game entity fog rendering, and tilemap usage

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popertots
2025-05-27 23:10:54 +01:00
parent d2dd70caa0
commit 950f02c2e1
8 changed files with 440 additions and 129 deletions
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Cargo.lock
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+273 -5
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@@ -2,6 +2,22 @@
# It is not intended for manual editing.
version = 4
[[package]]
name = "ab_glyph"
version = "0.2.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec3672c180e71eeaaac3a541fbbc5f5ad4def8b747c595ad30d674e43049f7b0"
dependencies = [
"ab_glyph_rasterizer",
"owned_ttf_parser",
]
[[package]]
name = "ab_glyph_rasterizer"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "accesskit"
version = "0.18.0"
@@ -67,6 +83,19 @@ version = "2.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
[[package]]
name = "ahash"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"cfg-if",
"getrandom 0.3.3",
"once_cell",
"version_check",
"zerocopy",
]
[[package]]
name = "aho-corasick"
version = "1.1.3"
@@ -389,7 +418,7 @@ dependencies = [
"bevy_utils",
"blake3",
"derive_more",
"downcast-rs",
"downcast-rs 2.0.1",
"either",
"petgraph",
"ron",
@@ -416,7 +445,7 @@ dependencies = [
"cfg-if",
"console_error_panic_hook",
"ctrlc",
"downcast-rs",
"downcast-rs 2.0.1",
"log",
"thiserror 2.0.12",
"variadics_please",
@@ -447,7 +476,7 @@ dependencies = [
"crossbeam-channel",
"derive_more",
"disqualified",
"downcast-rs",
"downcast-rs 2.0.1",
"either",
"futures-io",
"futures-lite",
@@ -993,7 +1022,7 @@ dependencies = [
"bevy_utils",
"derive_more",
"disqualified",
"downcast-rs",
"downcast-rs 2.0.1",
"erased-serde",
"foldhash",
"glam",
@@ -1049,7 +1078,7 @@ dependencies = [
"bytemuck",
"codespan-reporting",
"derive_more",
"downcast-rs",
"downcast-rs 2.0.1",
"encase",
"fixedbitset",
"futures-lite",
@@ -1530,6 +1559,18 @@ dependencies = [
"thiserror 1.0.69",
]
[[package]]
name = "calloop-wayland-source"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "95a66a987056935f7efce4ab5668920b5d0dac4a7c99991a67395f13702ddd20"
dependencies = [
"calloop",
"rustix",
"wayland-backend",
"wayland-client",
]
[[package]]
name = "cc"
version = "1.2.22"
@@ -1939,6 +1980,12 @@ dependencies = [
"rayon",
]
[[package]]
name = "downcast-rs"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
[[package]]
name = "downcast-rs"
version = "2.0.1"
@@ -3450,6 +3497,15 @@ version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
[[package]]
name = "owned_ttf_parser"
version = "0.25.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22ec719bbf3b2a81c109a4e20b1f129b5566b7dce654bc3872f6a05abf82b2c4"
dependencies = [
"ttf-parser 0.25.1",
]
[[package]]
name = "parking"
version = "2.2.1"
@@ -3675,6 +3731,15 @@ version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
[[package]]
name = "quick-xml"
version = "0.37.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "331e97a1af0bf59823e6eadffe373d7b27f485be8748f71471c662c1f269b7fb"
dependencies = [
"memchr",
]
[[package]]
name = "quote"
version = "1.0.40"
@@ -4046,12 +4111,31 @@ dependencies = [
"winapi-util",
]
[[package]]
name = "scoped-tls"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
[[package]]
name = "scopeguard"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
[[package]]
name = "sctk-adwaita"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b6277f0217056f77f1d8f49f2950ac6c278c0d607c45f5ee99328d792ede24ec"
dependencies = [
"ab_glyph",
"log",
"memmap2",
"smithay-client-toolkit",
"tiny-skia",
]
[[package]]
name = "self_cell"
version = "1.2.0"
@@ -4169,6 +4253,31 @@ version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
[[package]]
name = "smithay-client-toolkit"
version = "0.19.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3457dea1f0eb631b4034d61d4d8c32074caa6cd1ab2d59f2327bd8461e2c0016"
dependencies = [
"bitflags 2.9.0",
"calloop",
"calloop-wayland-source",
"cursor-icon",
"libc",
"log",
"memmap2",
"rustix",
"thiserror 1.0.69",
"wayland-backend",
"wayland-client",
"wayland-csd-frame",
"wayland-cursor",
"wayland-protocols",
"wayland-protocols-wlr",
"wayland-scanner",
"xkeysym",
]
[[package]]
name = "smol_str"
version = "0.2.2"
@@ -4214,6 +4323,12 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
[[package]]
name = "strict-num"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
[[package]]
name = "strum"
version = "0.26.3"
@@ -4387,6 +4502,31 @@ dependencies = [
"weezl",
]
[[package]]
name = "tiny-skia"
version = "0.11.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "83d13394d44dae3207b52a326c0c85a8bf87f1541f23b0d143811088497b09ab"
dependencies = [
"arrayref",
"arrayvec",
"bytemuck",
"cfg-if",
"log",
"tiny-skia-path",
]
[[package]]
name = "tiny-skia-path"
version = "0.11.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c9e7fc0c2e86a30b117d0462aa261b72b7a99b7ebd7deb3a14ceda95c5bdc93"
dependencies = [
"arrayref",
"bytemuck",
"strict-num",
]
[[package]]
name = "tinyvec"
version = "1.9.0"
@@ -4535,6 +4675,12 @@ version = "0.21.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c591d83f69777866b9126b24c6dd9a18351f177e49d625920d19f989fd31cf8"
[[package]]
name = "ttf-parser"
version = "0.25.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2df906b07856748fa3f6e0ad0cbaa047052d4a7dd609e231c4f72cee8c36f31"
[[package]]
name = "twox-hash"
version = "2.1.0"
@@ -4761,6 +4907,114 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "wayland-backend"
version = "0.3.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe770181423e5fc79d3e2a7f4410b7799d5aab1de4372853de3c6aa13ca24121"
dependencies = [
"cc",
"downcast-rs 1.2.1",
"rustix",
"scoped-tls",
"smallvec",
"wayland-sys",
]
[[package]]
name = "wayland-client"
version = "0.31.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "978fa7c67b0847dbd6a9f350ca2569174974cd4082737054dbb7fbb79d7d9a61"
dependencies = [
"bitflags 2.9.0",
"rustix",
"wayland-backend",
"wayland-scanner",
]
[[package]]
name = "wayland-csd-frame"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "625c5029dbd43d25e6aa9615e88b829a5cad13b2819c4ae129fdbb7c31ab4c7e"
dependencies = [
"bitflags 2.9.0",
"cursor-icon",
"wayland-backend",
]
[[package]]
name = "wayland-cursor"
version = "0.31.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a65317158dec28d00416cb16705934070aef4f8393353d41126c54264ae0f182"
dependencies = [
"rustix",
"wayland-client",
"xcursor",
]
[[package]]
name = "wayland-protocols"
version = "0.32.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "779075454e1e9a521794fed15886323ea0feda3f8b0fc1390f5398141310422a"
dependencies = [
"bitflags 2.9.0",
"wayland-backend",
"wayland-client",
"wayland-scanner",
]
[[package]]
name = "wayland-protocols-plasma"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fd38cdad69b56ace413c6bcc1fbf5acc5e2ef4af9d5f8f1f9570c0c83eae175"
dependencies = [
"bitflags 2.9.0",
"wayland-backend",
"wayland-client",
"wayland-protocols",
"wayland-scanner",
]
[[package]]
name = "wayland-protocols-wlr"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1cb6cdc73399c0e06504c437fe3cf886f25568dd5454473d565085b36d6a8bbf"
dependencies = [
"bitflags 2.9.0",
"wayland-backend",
"wayland-client",
"wayland-protocols",
"wayland-scanner",
]
[[package]]
name = "wayland-scanner"
version = "0.31.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "896fdafd5d28145fce7958917d69f2fd44469b1d4e861cb5961bcbeebc6d1484"
dependencies = [
"proc-macro2",
"quick-xml",
"quote",
]
[[package]]
name = "wayland-sys"
version = "0.31.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dbcebb399c77d5aa9fa5db874806ee7b4eba4e73650948e8f93963f128896615"
dependencies = [
"dlib",
"log",
"pkg-config",
]
[[package]]
name = "web-sys"
version = "0.3.77"
@@ -5441,6 +5695,7 @@ version = "0.30.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b0d05bd8908e14618c9609471db04007e644fd9cce6529756046cfc577f9155e"
dependencies = [
"ahash",
"android-activity",
"atomic-waker",
"bitflags 2.9.0",
@@ -5455,6 +5710,7 @@ dependencies = [
"dpi",
"js-sys",
"libc",
"memmap2",
"ndk 0.9.0",
"objc2",
"objc2-app-kit",
@@ -5466,11 +5722,17 @@ dependencies = [
"raw-window-handle",
"redox_syscall 0.4.1",
"rustix",
"sctk-adwaita",
"smithay-client-toolkit",
"smol_str",
"tracing",
"unicode-segmentation",
"wasm-bindgen",
"wasm-bindgen-futures",
"wayland-backend",
"wayland-client",
"wayland-protocols",
"wayland-protocols-plasma",
"web-sys",
"web-time",
"windows-sys 0.52.0",
@@ -5529,6 +5791,12 @@ version = "0.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec107c4503ea0b4a98ef47356329af139c0a4f7750e621cf2973cd3385ebcb3d"
[[package]]
name = "xcursor"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ef33da6b1660b4ddbfb3aef0ade110c8b8a781a3b6382fa5f2b5b040fd55f61"
[[package]]
name = "xkbcommon-dl"
version = "0.4.2"
Cargo.toml
+1 -1
View File
@@ -4,7 +4,7 @@ version = "0.1.0"
edition = "2021"
[dependencies]
bevy = "0.16.0"
bevy = { version = "0.16", features = ["wayland"] }
noise = "0.9.0"
rand = "0.9.1"
image = "0.25.6"
src/camera.rs
+1 -1
View File
@@ -75,7 +75,7 @@ pub fn spawn_panning_camera(mut commands: Commands) {
scale: 1.0,
..OrthographicProjection::default_2d()
}),
Transform::from_xyz(0., 0., 10. * TILE_SIZE),
Transform::from_xyz(0., 0., 10.),
PanningCamera { pan_speed: 15.0 },
));
}
src/citizen.rs
+84 -36
View File
@@ -145,14 +145,8 @@ pub fn citizen_movement(
.par_iter_mut()
.for_each(|(mut ambulatory, mut transform, _, _)| {
let current_pos = transform.translation;
let below_pos = Vec3::new(
current_pos.x,
current_pos.y,
current_pos.z - TILE_SIZE - 0.1,
);
if !is_standable_tile(&tilemap, current_pos.as_ivec3()) {
transform.translation = below_pos + Vec3::new(0.0, 0.0, 0.1);
transform.translation.z -= TILE_SIZE;
return;
}
@@ -204,26 +198,32 @@ pub fn citizen_movement(
}
fn is_standable_tile(tilemap: &TileMap, pos: IVec3) -> bool {
let mut can_i_stand_in_tile: bool = false;
let mut can_i_stand_on_tile_bellow: bool = false;
let mut can_i_stand_in_fixture: bool = false;
let mut can_i_stand_on_fixture_bellow: bool = false;
// Check if current position has a blocking floor tile
if let Some(current_tile) = tilemap.floor_tiles.get(&pos) {
return current_tile.0 == 0;
if let Some(current_floor_tile) = tilemap.floor_tiles.get(&pos) {
can_i_stand_in_tile = current_floor_tile.1;
}
// Check if current position has a solid fixture tile (e.g., log, leaf)
if let Some(current_tile) = tilemap.fixture_tiles.get(&pos) {
return current_tile.0 == 0;
// Check if current position has a solid fixture tile (e.g., log)
if let Some(current_fixture_tile) = tilemap.fixture_tiles.get(&pos) {
can_i_stand_in_fixture = current_fixture_tile.1;
}
// Check if there's solid ground below (fixture or floor)
let pos_below = pos - IVec3::new(0, 0, ITILE_SIZE);
if let Some(below_tile) = tilemap.floor_tiles.get(&pos_below) {
return below_tile.0 != 0;
if let Some(below_floor_tile) = tilemap.floor_tiles.get(&pos_below) {
can_i_stand_on_tile_bellow = below_floor_tile.2;
}
if let Some(below_tile) = tilemap.fixture_tiles.get(&pos_below) {
return below_tile.0 != 0;
if let Some(below_fixture_tile) = tilemap.fixture_tiles.get(&pos_below) {
can_i_stand_on_fixture_bellow = below_fixture_tile.2;
}
false
return (can_i_stand_in_tile || can_i_stand_in_fixture)
&& (can_i_stand_on_tile_bellow || can_i_stand_on_fixture_bellow);
}
fn calculate_path(tilemap: &TileMap, start: IVec3, goal: IVec3) -> Vec<Vec3> {
@@ -304,15 +304,43 @@ fn calculate_path(tilemap: &TileMap, start: IVec3, goal: IVec3) -> Vec<Vec3> {
continue;
}
// TODO: Add terrain-based cost modifiers
// movement_cost = apply_terrain_modifier(movement_cost, neighbor_pos, tilemap);
// Examples:
// - Mud/sand: +50% cost
// - Ice: +100% cost
// - Designated high-traffic areas: -25% cost
// - Designated restricted areas: +500% cost
// - Etc
let movement_cost = match (
move_dir.x.abs() / ITILE_SIZE,
move_dir.y.abs() / ITILE_SIZE,
move_dir.z.abs() / ITILE_SIZE,
) {
(1, 0, 0) | (0, 1, 0) | (0, 0, 1) => 10, // Orthogonal movement (1 axis)
(1, 1, 0) | (1, 0, 1) | (0, 1, 1) => 14, // Diagonal movement (2 axes)
(1, 1, 1) => 20, // Full 3D diagonal movement (3 axes)
_ => continue, // Invalid movement
// 2D Movement (Dwarf Fortress style)
(1, 0, 0) | (0, 1, 0) => 10, // Orthogonal movement
(1, 1, 0) => 14, // Diagonal movement (~√2 × 10)
// Vertical Movement (Raw climbing - very expensive)
// (0, 0, 1) => 50, // Pure vertical climb/fall
// 3D Movement (Climbing diagonally - even more expensive)
(1, 0, 1) | (0, 1, 1) => 52, // Orthogonal + vertical climb
(1, 1, 1) => 56, // Diagonal + vertical climb
// TODO: Implement stairs and ramps for efficient vertical movement
// Stairs would reduce vertical costs significantly:
// (0, 0, 1) => 20 if has_stairs(current, neighbor_pos), // Stairs: 2× horizontal cost
// (1, 0, 1) | (0, 1, 1) => 24 if has_stairs(current, neighbor_pos), // Stairs + horizontal
// (1, 1, 1) => 28 if has_stairs(current, neighbor_pos), // Stairs + diagonal
// TODO: Implement ramps for even smoother vertical movement
// Ramps would be cheaper than stairs:
// (0, 0, 1) => 15 if has_ramp(current, neighbor_pos), // Ramps: 1.5× horizontal cost
// (1, 0, 1) | (0, 1, 1) => 18 if has_ramp(current, neighbor_pos), // Ramps + horizontal
// (1, 1, 1) => 21 if has_ramp(current, neighbor_pos), // Ramps + diagonal
_ => continue,
};
let new_g = g_scores.get(&current).unwrap_or(&i32::MAX) + movement_cost;
@@ -352,19 +380,35 @@ fn octile_distance_3d(a: IVec3, b: IVec3) -> i32 {
let dy = (a.y - b.y).abs();
let dz = (a.z - b.z).abs();
// Costs for movement along 1, 2, or 3 axes
let cost1 = 10; // Orthogonal
let cost2 = 14; // 2D Diagonal
let cost3 = 17; // 3D Diagonal
// Dwarf Fortress style costs
let cost_orthogonal = 10; // Horizontal orthogonal
let cost_diagonal = 14; // Horizontal diagonal (~√2 × 10)
let cost_climb = 50; // Raw vertical movement (climbing)
let mut diffs = [dx, dy, dz];
diffs.sort_unstable(); // Sorts ascending: [dmin, dmid, dmax]
diffs.sort_unstable();
let dmin = diffs[0];
let dmid = diffs[1];
let dmax = diffs[2];
cost3 * dmin + cost2 * (dmid - dmin) + cost1 * (dmax - dmid) // Yikes..
if dz == 0 {
// Pure 2D movement
let diagonal_moves = dmin / ITILE_SIZE;
let orthogonal_moves = (dmax - dmin) / ITILE_SIZE;
cost_diagonal * diagonal_moves + cost_orthogonal * orthogonal_moves
} else {
// Movement involves Z - assume raw climbing for now
// TODO: Modify this when stairs/ramps are implemented
let z_moves = dz / ITILE_SIZE;
let xy_distance = ((dx * dx + dy * dy) as f32).sqrt() as i32;
let remaining_2d_diagonal = (xy_distance.min(dz)) / ITILE_SIZE;
let remaining_2d_orthogonal =
(xy_distance - remaining_2d_diagonal * ITILE_SIZE) / ITILE_SIZE;
// Raw climbing cost + remaining 2D movement
cost_climb * z_moves
+ cost_diagonal * remaining_2d_diagonal
+ cost_orthogonal * remaining_2d_orthogonal
}
}
fn reconstruct_path(came_from: HashMap<IVec3, IVec3>, mut current: IVec3) -> Vec<Vec3> {
@@ -391,13 +435,17 @@ pub fn spawn_citizens(mut commands: Commands, asset_server: Res<AssetServer>) {
let mut rng = rand::rng();
// Spawn a handful of citizens
for _ in 0..1000 {
let x: f32 = rng.random_range(-35.0..35.0);
let y: f32 = rng.random_range(-35.0..35.0);
let mut position = Vec3::new(x.round(), y.round(), 35.0) * TILE_SIZE;
position.z += 0.1;
let cit = commands.spawn(Citizen::new(&asset_server, position)).id();
for _ in 0..100 {
let cit = commands
.spawn(Citizen::new(
&asset_server,
Vec3::new(
rng.random_range(-25.0f32..25.0f32).round(),
rng.random_range(-25.0f32..25.0f32).round(),
35.0,
) * TILE_SIZE,
))
.id();
commands.entity(cit).insert(VisibleGameEntity);
}
}
src/main.rs
+1 -1
View File
@@ -16,7 +16,7 @@ fn main() {
.insert_resource(tiles::CurrentWorldSpriteState {
state: tiles::TerrainSpriteState::Inactive,
})
.insert_resource(camera::CameraMoved(true))
.insert_resource(camera::CameraMoved(false))
.insert_resource(tiles::QuiltCache::default())
.add_systems(PreStartup, tiles::initialize_textures)
.add_plugins(
src/tile.rs
+7 -10
View File
@@ -47,8 +47,8 @@ impl Default for FixtureTile {
#[derive(Resource, Default, Clone)]
pub struct TileMap {
pub floor_tiles: HashMap<IVec3, (u32, bool, bool, u8, [u32; 8])>, //id, opaque, walkable, astar_weight, visible_range
pub fixture_tiles: HashMap<IVec3, (u32, bool, [u32; 8])>, // id, solid, visible_range
pub floor_tiles: HashMap<IVec3, (i32, bool, bool, bool, i32, [u32; 8])>, //id, canStandIn, canStandOn, visiblyTransparent, astar_weight, visible_range
pub fixture_tiles: HashMap<IVec3, (i32, bool, bool, [u32; 8])>, // id, canStandIn, canStandOn, visible_range
}
pub fn update_tile_visibility(
@@ -58,15 +58,12 @@ pub fn update_tile_visibility(
) {
let now = Instant::now();
let current_z = z_index.0 as isize;
for (terrain_sprite, mut visibility) in query.iter_mut() {
*visibility =
if terrain_sprite.z_index == ((current_z + tilemap::Z_BELOW as isize) as usize) {
Visibility::Visible
} else {
Visibility::Hidden
};
*visibility = if terrain_sprite.z_index == ((z_index.0 + tilemap::Z_BELOW) as usize) {
Visibility::Visible
} else {
Visibility::Hidden
};
}
cwss.state = TerrainSpriteState::Inactive;
println!("Visibility update: {:.2?}", now.elapsed());
src/tilemap.rs
+64 -67
View File
@@ -15,9 +15,11 @@ use noise::{NoiseFn, Perlin};
pub const CHUNK_SIZE: i32 = 8;
pub const Z_BELOW: f32 = 10.0;
pub const Z_BELOW: f32 = 5.0;
pub const Z_ABOVE: f32 = 15.0;
pub const Z_TOTAL: f32 = Z_ABOVE + Z_BELOW; // MAX 255 DO NOT EXCEED
pub const Z_TOTAL: f32 = Z_ABOVE + Z_BELOW;
const _: () = assert!(Z_TOTAL <= 255.0);
pub const SEED: u32 = 420;
@@ -100,14 +102,14 @@ pub fn handle_tile_occlusion_updates(
if let Some(visibility) = update_map.get(&pos.translation.as_ivec3()) {
tile.visible_range = *visibility;
if let Some(tile_data) = tilemap.floor_tiles.get_mut(&pos.translation.as_ivec3()) {
tile_data.4 = *visibility;
tile_data.5 = *visibility;
}
}
}
if count > 0 {
cwss.state = TerrainSpriteState::WaitingForRender;
println!(
"Tile occlusion updated {} tiles in {:.2?}",
"Tile occlusion calculated for {} tiles in {:.2?}",
count,
start.elapsed()
);
@@ -131,8 +133,10 @@ pub fn calculate_visibility(pos: IVec3, tilemap: &TileMap) -> [u32; 8] {
'vertical_check: for z_offset in 1..v_check_height {
let above_pos = IVec3::new(pos.x, pos.y, pos.z + (z_offset * ITILE_SIZE));
if above_pos.z <= camera_z {
if let Some(&(_, opaque, _, _, _)) = tilemap.floor_tiles.get(&above_pos) {
if opaque {
if let Some(&(_, _, _, visibly_transparent, _, _)) =
tilemap.floor_tiles.get(&above_pos)
{
if !visibly_transparent {
is_occluded = true;
break 'vertical_check;
}
@@ -154,8 +158,9 @@ pub fn calculate_visibility(pos: IVec3, tilemap: &TileMap) -> [u32; 8] {
pos.z + z_offset * ITILE_SIZE,
);
if let Some(&(id, _, _, _, _)) = tilemap.floor_tiles.get(&neighbor_pos) {
if let Some(&(id, _, _, _, _, _)) = tilemap.floor_tiles.get(&neighbor_pos) {
if id == 0 {
// id 0 = air tile
is_visible = true;
break 'neighbor_check;
}
@@ -188,7 +193,7 @@ pub fn generate_surface_terrain(x: i32, y: i32) -> f32 {
(noise_value * 2.5) as f32
}
fn generate_chunks_from_algo(
fn handle_chunk_events(
mut chunk_events: EventReader<GenerateChunkEvent>,
mut terrain_event_writer: EventWriter<ChunkTerrainEvent>,
mut weathering_event_writer: EventWriter<ChunkWeatheringAndPrecipitationEvent>,
@@ -255,7 +260,8 @@ fn generate_chunk_terrain(
let start_y = chunk_pos.y * CHUNK_SIZE;
let mut surface_positions: Vec<(Vec3, String)> = Vec::new();
let mut local_tilemap_updates = HashMap::new();
let mut local_tilemap_updates: HashMap<IVec3, (i32, bool, bool, bool, i32, [u32; 8])> =
HashMap::new();
// Generate tiles for this chunk
for local_y in 0..CHUNK_SIZE {
@@ -288,19 +294,22 @@ fn generate_chunk_terrain(
commands.command_scope(|mut cmd| {
FloorTilePrefab::air(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (0, false, true, 0, [0; 8]));
local_tilemap_updates
.insert(pos_ivec, (0, true, false, true, 0, [0; 8]));
// Air tile
} else if cave_value < 0.8 {
commands.command_scope(|mut cmd| {
FloorTilePrefab::rock(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (2, true, false, 50, [0; 8]));
local_tilemap_updates
.insert(pos_ivec, (2, false, true, false, 50, [0; 8]));
// Rock tile
} else {
commands.command_scope(|mut cmd| {
FloorTilePrefab::dirt(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (1, true, true, 85, [0; 8]));
local_tilemap_updates
.insert(pos_ivec, (1, false, true, false, 85, [0; 8]));
// Dirt tile
}
} else if noise_position.z > position.z {
@@ -310,20 +319,22 @@ fn generate_chunk_terrain(
commands.command_scope(|mut cmd| {
FloorTilePrefab::grass(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (1, true, true, 100, [0; 8])); // Dirt tile (grass)
local_tilemap_updates
.insert(pos_ivec, (1, false, true, false, 100, [0; 8])); // Dirt tile (grass)
surface_positions.push((position, ("grass").to_string()));
} else {
commands.command_scope(|mut cmd| {
FloorTilePrefab::dirt(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (1, true, true, 85, [0; 8]));
local_tilemap_updates
.insert(pos_ivec, (1, false, true, false, 85, [0; 8]));
// Dirt tile
}
} else {
commands.command_scope(|mut cmd| {
FloorTilePrefab::air(position).spawn(&mut cmd);
});
local_tilemap_updates.insert(pos_ivec, (0, false, true, 0, [0; 8]));
local_tilemap_updates.insert(pos_ivec, (0, true, false, true, 0, [0; 8]));
// Air tile
}
}
@@ -387,16 +398,16 @@ fn generate_chunk_forrestry(
let start = Instant::now();
let count = events.len();
let collected_tilemap_updates = Mutex::new(Vec::<(IVec3, (u32, bool, [u32; 8]))>::new());
let collected_tilemap_updates: Mutex<Vec<(IVec3, (i32, bool, bool, [u32; 8]))>> =
Mutex::new(Vec::<(IVec3, (i32, bool, bool, [u32; 8]))>::new());
events.par_read().for_each(|event| {
let floor_positions = &event.floor_tiles;
let tree_positions: Vec<Vec3> = Vec::new();
let mut tree_positions: Vec<Vec3> = Vec::new();
let min_distance = 7.0 * TILE_SIZE;
for (position, floor_type) in floor_positions.iter() {
let above_pos = *position + Vec3::new(0.0, 0.0, TILE_SIZE);
let above_ivec = above_pos.as_ivec3();
match floor_type.as_str() {
"grass" => {
@@ -409,10 +420,10 @@ fn generate_chunk_forrestry(
.iter()
.all(|&tree_pos| above_pos.distance(tree_pos) > min_distance);
// 1 in 65 chance if far enough from other trees
if is_far_enough && rand::random::<u32>() % 65 == 0 {
// 1 in 100 chance if far enough from other trees
if is_far_enough && rand::random::<u32>() % 100 == 0 {
// Generate trunk
let trunk_height = 3 + rand::random::<u32>() % 4;
let trunk_height = 4 + rand::random::<u32>() % 5;
for i in 0..trunk_height {
let trunk_pos =
above_pos + Vec3::new(0.0, 0.0, i as f32 * TILE_SIZE);
@@ -423,36 +434,34 @@ fn generate_chunk_forrestry(
continue;
}
FixtureTilePrefab::log(trunk_pos).spawn(&mut commands);
let trunk_entity =
FixtureTilePrefab::log(trunk_pos).spawn(&mut commands);
tree_positions.push(trunk_pos);
// Add sprite component to the same entity if texture exists
if let Some(texture_id) = texture_ids.refs.get(&500004) {
if let Some(texture) = textures.handles.get(texture_id) {
let sprite = Sprite {
image: texture.clone(),
..Default::default()
};
let log = commands
.spawn((
sprite,
Transform::from_xyz(
trunk_pos.x,
trunk_pos.y,
trunk_pos.z,
),
))
.id();
commands.entity(log).insert(VisibleGameEntity);
collected_tilemap_updates
.lock()
.unwrap()
.push((trunk_ivec, (1, true, [0; 8])));
commands
.entity(trunk_entity)
.insert((sprite, VisibleGameEntity));
// .insert(Visibility::Visible); // Override the hidden visibility
}
}
collected_tilemap_updates
.lock()
.unwrap()
.push((trunk_ivec, (1, false, true, [0; 8])));
log_positions.insert(trunk_ivec);
}
// Generate leaves - 3D spherical canopy with random shape
let base_leaf_radius = 3.0;
let base_leaf_radius = 2.25;
let leaf_center =
above_pos + Vec3::new(0.0, 0.0, trunk_height as f32 * TILE_SIZE);
@@ -478,7 +487,7 @@ fn generate_chunk_forrestry(
let y_f = y as f32;
let z_f = z as f32;
let radius = base_leaf_radius
* (1.0 + (rand::random::<f32>() * 0.2 - 0.1));
* (1.0 + (rand::random::<f32>() * 0.35 - 0.1));
if x_f * x_f + y_f * y_f + z_f * z_f <= radius * radius {
FixtureTilePrefab::leaves(pos).spawn(&mut commands);
@@ -503,7 +512,7 @@ fn generate_chunk_forrestry(
collected_tilemap_updates
.lock()
.unwrap()
.push((ivec, (5, true, [1; 8])));
.push((ivec, (5, false, true, [0; 8])));
}
}
}
@@ -512,11 +521,6 @@ fn generate_chunk_forrestry(
}
}
});
collected_tilemap_updates
.lock()
.unwrap()
.push((above_ivec, (1, true, [0; 8])));
}
_ => {}
}
@@ -554,7 +558,7 @@ fn generate_chunk_fauna(
fn setup_initial_chunks(mut event_writer: EventWriter<GenerateChunkEvent>) {
for x in -10..=10 {
for y in -10..=10 {
for y in -5..=5 {
event_writer.write(GenerateChunkEvent {
chunk_position: IVec2::new(x, y),
});
@@ -562,22 +566,6 @@ fn setup_initial_chunks(mut event_writer: EventWriter<GenerateChunkEvent>) {
}
}
pub fn index_z_to_absolute_z(z: f32) -> f32 {
z + Z_BELOW
}
pub fn world_z_to_absolute_z(z: f32) -> f32 {
z + Z_BELOW * ITILE_SIZE as f32
}
pub fn absolute_z_to_index_z(z: f32) -> f32 {
z - Z_BELOW
}
pub fn absolute_z_to_world_z(z: f32) -> f32 {
z - Z_BELOW * ITILE_SIZE as f32
}
#[derive(Component)]
pub struct VisibleGameEntity;
@@ -588,13 +576,22 @@ pub fn compute_visibility_of_game_entities(
query
.par_iter_mut()
.for_each(|(transform, mut visibility, mut sprite)| {
// if too far away, saturation does not matter
if (z_index.0 - transform.translation.z / TILE_SIZE) / 8.0 > 1.0 {
let entity_z = (transform.translation.z / TILE_SIZE) - 1.0;
// if same z-level, always visible
if z_index.0 == entity_z {
sprite.color = Color::WHITE;
sprite.color.set_alpha(1.0);
*visibility = Visibility::Visible;
return;
};
// if entity too low, saturation does not matter
if z_index.0 - entity_z > 8.0 {
*visibility = Visibility::Hidden;
return;
}
// if too high, saturation does not matter
if (transform.translation.z) / TILE_SIZE > z_index.0 + 1.0 {
// if entity too high, saturation does not matter
if entity_z > z_index.0 {
*visibility = Visibility::Hidden;
return;
}
@@ -626,7 +623,7 @@ impl Plugin for TilemapPlugin {
.add_systems(
FixedUpdate,
(
generate_chunks_from_algo,
handle_chunk_events,
generate_chunk_terrain,
generate_chunk_weathering_and_precipitation,
generate_chunk_forrestry,
src/tiles.rs
+9 -8
View File
@@ -1,4 +1,5 @@
use crate::tile::{FixtureTile, FloorTile, TileState};
use crate::tilemap::Z_BELOW;
use crate::{constants::*, tilemap};
use bevy::asset::RenderAssetUsages;
use bevy::prelude::*;
@@ -33,6 +34,9 @@ const LOG_PATH: &str = "log.png";
const LEAVES_PATH: &str = "leaves.png";
pub fn initialize_textures(mut commands: Commands, asset_server: Res<AssetServer>) {
println!("");
println!("####################");
let start = Instant::now();
let mut textures: HashMap<String, Handle<Image>> = HashMap::new();
let mut texture_ids: HashMap<u32, String> = HashMap::new();
texture_ids.insert(u32::MAX, DEFAULT_TEXTURE.to_string());
@@ -82,6 +86,7 @@ pub fn initialize_textures(mut commands: Commands, asset_server: Res<AssetServer
commands.insert_resource(Textures { handles: textures });
commands.insert_resource(TextureIDs { refs: texture_ids });
println!("Textures initialized in {:.2?}", start.elapsed());
}
#[derive(Debug, PartialEq)]
@@ -97,6 +102,7 @@ pub struct CurrentWorldSpriteState {
pub state: TerrainSpriteState,
}
use std::process::exit;
use std::sync::Mutex;
use std::time::Instant;
@@ -153,9 +159,7 @@ pub fn build_quilted_terrain_sprites(
let position = Vec2::new(transform.translation.x, transform.translation.y);
for z_index in 0..=tilemap::Z_TOTAL as usize {
let is_visible =
(floortile.visible_range[z_index / 32] & (1 << (z_index % 32) as u32)) != 0;
if is_visible {
if (floortile.visible_range[z_index / 32] & (1 << (z_index % 32) as u32)) != 0 {
tiles_by_z
.entry(z_index)
.or_default()
@@ -306,7 +310,7 @@ pub fn build_quilted_terrain_sprites(
Transform::from_xyz(
center_x - TILE_SIZE / 2.0,
center_y - TILE_SIZE / 2.0,
-10.0 * TILE_SIZE,
-Z_BELOW * TILE_SIZE,
)
.with_scale(Vec3::splat(PIXEL_RATIO)),
Visibility::Hidden,
@@ -317,10 +321,7 @@ pub fn build_quilted_terrain_sprites(
quilt_cache.dirty_indices.clear();
cwss.state = TerrainSpriteState::RenderReady;
println!(
"Quilted world sprites built. Elapsed: {:.2?}",
now.elapsed()
);
println!("Terrain sprites baked in: {:.2?}", now.elapsed());
}
// Helper function to blit a texture onto another texture