Compare commits

...

3 commits

Author SHA1 Message Date
griffi-gh 6a96d6c3d3 fun 2024-02-15 19:39:09 +01:00
griffi-gh 778c2b279e use force for plr 2024-02-15 15:51:06 +01:00
griffi-gh 89ccd595ac fps ctl test impl 2024-02-15 14:49:41 +01:00
5 changed files with 423 additions and 351 deletions

View file

@ -1,334 +1,342 @@
use bracket_noise::prelude::*;
use rand::prelude::*;
use glam::{IVec3, ivec3, Vec3Swizzles, IVec2};
use rand_xoshiro::Xoshiro256StarStar;
use crate::{
chunk::{BlockData, CHUNK_SIZE},
block::Block,
queue::QueuedBlock,
};
fn mountain_ramp(mut x: f32) -> f32 {
x *= 2.0;
if x < 0.4 {
0.5 * x
} else if x < 0.55 {
4. * (x - 0.4) + 0.2
} else {
0.4444 * (x - 0.55) + 0.8
}
}
fn local_height(height: i32, chunk_position: IVec3) -> usize {
let offset = chunk_position * CHUNK_SIZE as i32;
(height - offset.y).clamp(0, CHUNK_SIZE as i32) as usize
}
fn local_y_position(height: i32, chunk_position: IVec3) -> Option<usize> {
let offset = chunk_position * CHUNK_SIZE as i32;
let position = height - offset.y;
(0..CHUNK_SIZE as i32).contains(&position).then_some(position as usize)
}
pub fn generate_world(chunk_position: IVec3, seed: u64) -> (BlockData, Vec<QueuedBlock>) {
let offset = chunk_position * CHUNK_SIZE as i32;
let mut blocks = Box::new([[[Block::Air; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]);
let mut queue = Vec::with_capacity(0);
let mut smart_place = |blocks: &mut BlockData, position: IVec3, block: Block| {
if position.to_array().iter().any(|&x| !(0..CHUNK_SIZE).contains(&(x as usize))) {
let event_pos = offset + position;
queue.retain(|block: &QueuedBlock| {
block.position != event_pos
});
queue.push(QueuedBlock {
position: event_pos,
block_type: block,
soft: true
});
} else {
blocks[position.x as usize][position.y as usize][position.z as usize] = block;
}
};
let mut height_noise = FastNoise::seeded(seed);
height_noise.set_fractal_type(FractalType::FBM);
height_noise.set_fractal_octaves(4);
height_noise.set_frequency(0.003);
let mut elevation_noise = FastNoise::seeded(seed.rotate_left(1));
elevation_noise.set_fractal_type(FractalType::FBM);
elevation_noise.set_fractal_octaves(1);
elevation_noise.set_frequency(0.001);
let mut cave_noise_a = FastNoise::seeded(seed.rotate_left(2));
cave_noise_a.set_fractal_type(FractalType::FBM);
cave_noise_a.set_fractal_octaves(2);
cave_noise_a.set_frequency(0.01);
let mut cave_noise_b = FastNoise::seeded(seed.rotate_left(3));
cave_noise_b.set_fractal_type(FractalType::FBM);
cave_noise_b.set_fractal_octaves(3);
cave_noise_b.set_frequency(0.015);
let mut cave_noise_holes = FastNoise::seeded(seed.rotate_left(4));
cave_noise_holes.set_fractal_type(FractalType::FBM);
cave_noise_holes.set_fractal_octaves(2);
cave_noise_holes.set_frequency(0.005);
let mut ravine_nose_line = FastNoise::seeded(seed.rotate_left(5));
ravine_nose_line.set_fractal_type(FractalType::Billow);
ravine_nose_line.set_fractal_octaves(2);
ravine_nose_line.set_frequency(0.005);
let mut ravine_noise_location = FastNoise::seeded(seed.rotate_left(6));
ravine_noise_location.set_fractal_type(FractalType::FBM);
ravine_noise_location.set_fractal_octaves(1);
ravine_noise_location.set_frequency(0.005);
let mut river_noise = FastNoise::seeded(seed.rotate_left(7));
river_noise.set_fractal_type(FractalType::Billow);
river_noise.set_fractal_octaves(2);
river_noise.set_frequency(0.5 * 0.005);
let mut rng = Xoshiro256StarStar::seed_from_u64(
seed
^ (chunk_position.x as u32 as u64)
^ ((chunk_position.z as u32 as u64) << 32)
);
let rng_map_a: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
let rng_map_b: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
//Generate height map
let mut within_heightmap = false;
let mut deco_heightmap = [[None; CHUNK_SIZE]; CHUNK_SIZE];
for x in 0..CHUNK_SIZE {
for z in 0..CHUNK_SIZE {
let (noise_x, noise_y) = ((offset.x + x as i32) as f32, (offset.z + z as i32) as f32);
//sample noises (that are needed right now)
let raw_heightmap_value = height_noise.get_noise(noise_x, noise_y);
let raw_elevation_value = elevation_noise.get_noise(noise_x, noise_y);
let raw_ravine_location_value = ravine_noise_location.get_noise(noise_x, noise_y);
//compute height
let mut is_surface = true;
let mut river_fill_height = None;
let height = {
let local_elevation = raw_elevation_value.powi(4).sqrt();
let mut height = (mountain_ramp(raw_heightmap_value) * local_elevation * 100.) as i32;
//Flatten valleys
if height < 0 {
height /= 2;
}
//Generate rivers
{
let river_width = (height as f32 / -5.).clamp(0.5, 1.);
let river_value = river_noise.get_noise(noise_x, noise_y);
if ((-0.00625 * river_width)..(0.00625 * river_width)).contains(&(river_value.powi(2))) {
is_surface = false;
river_fill_height = Some(height - 1);
//river_fill_height = Some(-3);
height -= (river_width * 15. * ((0.00625 * river_width) - river_value.powi(2)) * (1. / (0.00625 * river_width))).round() as i32;
}
}
//Generate ravines
if height < 0 && raw_ravine_location_value > 0.4 {
let raw_ravine_value = ravine_nose_line.get_noise(noise_x, noise_y);
if (-0.0125..0.0125).contains(&(raw_ravine_value.powi(2))) {
is_surface = false;
height -= (100. * (0.0125 - raw_ravine_value.powi(2)) * (1. / 0.0125)).round() as i32;
}
}
height
};
//add to heightmap
if is_surface {
deco_heightmap[x][z] = Some(height);
//place dirt
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
within_heightmap = true;
}
//place stone
for y in 0..local_height(height - 5 - (raw_heightmap_value * 5.) as i32, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
//place grass
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Grass;
within_heightmap = true;
}
} else if let Some(river_fill_height) = river_fill_height {
//Place water
for y in 0..local_height(river_fill_height, chunk_position) {
blocks[x][y][z] = Block::Water;
within_heightmap = true;
}
//Place stone
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
//Place dirt
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
within_heightmap = true;
}
} else {
//Place stone
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
}
}
}
//Carve out caves
if within_heightmap {
for z in 0..CHUNK_SIZE {
for y in 0..CHUNK_SIZE {
for x in 0..CHUNK_SIZE {
if blocks[x][y][z] != Block::Stone { continue }
let cave_size = ((offset.y + y as i32) as f32 / -100.).clamp(0., 1.);
let inv_cave_size = 1. - cave_size;
if cave_size < 0.1 { continue }
let position = ivec3(x as i32, y as i32, z as i32) + offset;
let is_cave = || {
let raw_cavemap_value_a = cave_noise_a.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
let raw_cavemap_value_b = cave_noise_b.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_a) &&
((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_b)
};
let is_hole_cave = || {
let raw_cavemap_value_holes = cave_noise_holes.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
((0.9 + (0.1 * inv_cave_size))..=1.0).contains(&raw_cavemap_value_holes.abs())
};
if is_cave() || is_hole_cave() {
blocks[x][y][z] = Block::Air;
if deco_heightmap[x][z] == Some(y as i32 + offset.y) {
deco_heightmap[x][z] = None
}
}
}
}
}
}
//Add decorations
for x in 0..CHUNK_SIZE {
for z in 0..CHUNK_SIZE {
//get height
let Some(height) = deco_heightmap[x][z] else { continue };
//check for air
// if blocks[x][local_y][z] == Block::Air {
// continue
// }
//place tall grass
if rng_map_a[x][z] < 0.03 {
if let Some(y) = local_y_position(height + 1, chunk_position) {
blocks[x][y][z] = Block::TallGrass;
}
}
//place trees!
if rng_map_a[x][z] < 0.001 {
//Replace grass with dirt under the tree
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
}
//Place wood (no smart_place needed here!)
let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
for tree_y in 0..tree_height {
if let Some(y) = local_y_position(height + 1 + tree_y, chunk_position) {
blocks[x][y][z] = Block::Wood;
}
}
let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
//Place leaf blocks
if let Some(y) = local_y_position(height + 1, chunk_position) {
let tree_pos = ivec3(x as i32, y as i32, z as i32);
// Place wood (smart_place)
// for tree_y in 0..tree_height {
// smart_place(&mut blocks, tree_pos + tree_y * IVec3::Y, Block::Wood);
// }
// Part that wraps around the tree
{
let tree_leaf_height = tree_height - 3;
let leaf_width = 2;
for tree_y in tree_leaf_height..tree_height {
for tree_x in (-leaf_width)..=leaf_width {
for tree_z in (-leaf_width)..=leaf_width {
let tree_offset = ivec3(tree_x, tree_y, tree_z);
if tree_offset.xz() == IVec2::ZERO { continue }
smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
}
}
}
}
//part above the tree
{
let leaf_above_height = 2;
let leaf_width = 1;
for tree_y in tree_height..(tree_height + leaf_above_height) {
for tree_x in (-leaf_width)..=leaf_width {
for tree_z in (-leaf_width)..=leaf_width {
let tree_offset = ivec3(tree_x, tree_y, tree_z);
smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
}
}
}
}
}
}
}
}
(blocks, queue)
// let mut cave_noise = FastNoise::seeded(seed);
// cave_noise.set_fractal_type(FractalType::FBM);
// cave_noise.set_frequency(0.1);
// let mut dirt_noise = FastNoise::seeded(seed.rotate_left(1));
// dirt_noise.set_fractal_type(FractalType::FBM);
// dirt_noise.set_frequency(0.1);
//
// if chunk_position.y >= 0 {
// if chunk_position.y == 0 {
// for x in 0..CHUNK_SIZE {
// for z in 0..CHUNK_SIZE {
// blocks[x][0][z] = Block::Dirt;
// blocks[x][1][z] = Block::Grass;
// }
// }
// }
// } else {
// for x in 0..CHUNK_SIZE {
// for y in 0..CHUNK_SIZE {
// for z in 0..CHUNK_SIZE {
// let position = ivec3(x as i32, y as i32, z as i32) + offset;
// let v_cave_noise = cave_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32 - 10.0).clamp(0., 1.);
// let v_dirt_noise = dirt_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32).clamp(0., 1.);
// if v_cave_noise > 0.5 {
// blocks[x][y][z] = Block::Stone;
// } else if v_dirt_noise > 0.5 {
// blocks[x][y][z] = Block::Dirt;
// }
// }
// }
// }
// }
// blocks
}
use bracket_noise::prelude::*;
use rand::prelude::*;
use glam::{IVec3, ivec3, Vec3Swizzles, IVec2};
use rand_xoshiro::Xoshiro256StarStar;
use crate::{
chunk::{BlockData, CHUNK_SIZE},
block::Block,
queue::QueuedBlock,
};
fn mountain_ramp(mut x: f32) -> f32 {
x *= 2.0;
if x < 0.4 {
0.5 * x
} else if x < 0.55 {
4. * (x - 0.4) + 0.2
} else {
0.4444 * (x - 0.55) + 0.8
}
}
fn local_height(height: i32, chunk_position: IVec3) -> usize {
let offset = chunk_position * CHUNK_SIZE as i32;
(height - offset.y).clamp(0, CHUNK_SIZE as i32) as usize
}
fn local_y_position(height: i32, chunk_position: IVec3) -> Option<usize> {
let offset = chunk_position * CHUNK_SIZE as i32;
let position = height - offset.y;
(0..CHUNK_SIZE as i32).contains(&position).then_some(position as usize)
}
pub fn generate_world(chunk_position: IVec3, seed: u64) -> (BlockData, Vec<QueuedBlock>) {
let offset = chunk_position * CHUNK_SIZE as i32;
let mut blocks = Box::new([[[Block::Air; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]);
let mut queue = Vec::with_capacity(0);
let mut smart_place = |blocks: &mut BlockData, position: IVec3, block: Block| {
if position.to_array().iter().any(|&x| !(0..CHUNK_SIZE).contains(&(x as usize))) {
let event_pos = offset + position;
queue.retain(|block: &QueuedBlock| {
block.position != event_pos
});
queue.push(QueuedBlock {
position: event_pos,
block_type: block,
soft: true
});
} else {
blocks[position.x as usize][position.y as usize][position.z as usize] = block;
}
};
//STICK
if chunk_position.x == 0 && chunk_position.y == 5 {
for z in 0..CHUNK_SIZE {
blocks[0][0][z] = Block::Stone;
}
}
//
let mut height_noise = FastNoise::seeded(seed);
height_noise.set_fractal_type(FractalType::FBM);
height_noise.set_fractal_octaves(4);
height_noise.set_frequency(0.003);
let mut elevation_noise = FastNoise::seeded(seed.rotate_left(1));
elevation_noise.set_fractal_type(FractalType::FBM);
elevation_noise.set_fractal_octaves(1);
elevation_noise.set_frequency(0.001);
let mut cave_noise_a = FastNoise::seeded(seed.rotate_left(2));
cave_noise_a.set_fractal_type(FractalType::FBM);
cave_noise_a.set_fractal_octaves(2);
cave_noise_a.set_frequency(0.01);
let mut cave_noise_b = FastNoise::seeded(seed.rotate_left(3));
cave_noise_b.set_fractal_type(FractalType::FBM);
cave_noise_b.set_fractal_octaves(3);
cave_noise_b.set_frequency(0.015);
let mut cave_noise_holes = FastNoise::seeded(seed.rotate_left(4));
cave_noise_holes.set_fractal_type(FractalType::FBM);
cave_noise_holes.set_fractal_octaves(2);
cave_noise_holes.set_frequency(0.005);
let mut ravine_nose_line = FastNoise::seeded(seed.rotate_left(5));
ravine_nose_line.set_fractal_type(FractalType::Billow);
ravine_nose_line.set_fractal_octaves(2);
ravine_nose_line.set_frequency(0.005);
let mut ravine_noise_location = FastNoise::seeded(seed.rotate_left(6));
ravine_noise_location.set_fractal_type(FractalType::FBM);
ravine_noise_location.set_fractal_octaves(1);
ravine_noise_location.set_frequency(0.005);
let mut river_noise = FastNoise::seeded(seed.rotate_left(7));
river_noise.set_fractal_type(FractalType::Billow);
river_noise.set_fractal_octaves(2);
river_noise.set_frequency(0.5 * 0.005);
let mut rng = Xoshiro256StarStar::seed_from_u64(
seed
^ (chunk_position.x as u32 as u64)
^ ((chunk_position.z as u32 as u64) << 32)
);
let rng_map_a: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
let rng_map_b: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
//Generate height map
let mut within_heightmap = false;
let mut deco_heightmap = [[None; CHUNK_SIZE]; CHUNK_SIZE];
for x in 0..CHUNK_SIZE {
for z in 0..CHUNK_SIZE {
let (noise_x, noise_y) = ((offset.x + x as i32) as f32, (offset.z + z as i32) as f32);
//sample noises (that are needed right now)
let raw_heightmap_value = height_noise.get_noise(noise_x, noise_y);
let raw_elevation_value = elevation_noise.get_noise(noise_x, noise_y);
let raw_ravine_location_value = ravine_noise_location.get_noise(noise_x, noise_y);
//compute height
let mut is_surface = true;
let mut river_fill_height = None;
let height = {
let local_elevation = raw_elevation_value.powi(4).sqrt();
let mut height = (mountain_ramp(raw_heightmap_value) * local_elevation * 100.) as i32;
//Flatten valleys
if height < 0 {
height /= 2;
}
//Generate rivers
{
let river_width = (height as f32 / -5.).clamp(0.5, 1.);
let river_value = river_noise.get_noise(noise_x, noise_y);
if ((-0.00625 * river_width)..(0.00625 * river_width)).contains(&(river_value.powi(2))) {
is_surface = false;
river_fill_height = Some(height - 1);
//river_fill_height = Some(-3);
height -= (river_width * 15. * ((0.00625 * river_width) - river_value.powi(2)) * (1. / (0.00625 * river_width))).round() as i32;
}
}
//Generate ravines
if height < 0 && raw_ravine_location_value > 0.4 {
let raw_ravine_value = ravine_nose_line.get_noise(noise_x, noise_y);
if (-0.0125..0.0125).contains(&(raw_ravine_value.powi(2))) {
is_surface = false;
height -= (100. * (0.0125 - raw_ravine_value.powi(2)) * (1. / 0.0125)).round() as i32;
}
}
height
};
//add to heightmap
if is_surface {
deco_heightmap[x][z] = Some(height);
//place dirt
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
within_heightmap = true;
}
//place stone
for y in 0..local_height(height - 5 - (raw_heightmap_value * 5.) as i32, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
//place grass
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Grass;
within_heightmap = true;
}
} else if let Some(river_fill_height) = river_fill_height {
//Place water
for y in 0..local_height(river_fill_height, chunk_position) {
blocks[x][y][z] = Block::Water;
within_heightmap = true;
}
//Place stone
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
//Place dirt
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
within_heightmap = true;
}
} else {
//Place stone
for y in 0..local_height(height, chunk_position) {
blocks[x][y][z] = Block::Stone;
within_heightmap = true;
}
}
}
}
//Carve out caves
if within_heightmap {
for z in 0..CHUNK_SIZE {
for y in 0..CHUNK_SIZE {
for x in 0..CHUNK_SIZE {
if blocks[x][y][z] != Block::Stone { continue }
let cave_size = ((offset.y + y as i32) as f32 / -100.).clamp(0., 1.);
let inv_cave_size = 1. - cave_size;
if cave_size < 0.1 { continue }
let position = ivec3(x as i32, y as i32, z as i32) + offset;
let is_cave = || {
let raw_cavemap_value_a = cave_noise_a.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
let raw_cavemap_value_b = cave_noise_b.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_a) &&
((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_b)
};
let is_hole_cave = || {
let raw_cavemap_value_holes = cave_noise_holes.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
((0.9 + (0.1 * inv_cave_size))..=1.0).contains(&raw_cavemap_value_holes.abs())
};
if is_cave() || is_hole_cave() {
blocks[x][y][z] = Block::Air;
if deco_heightmap[x][z] == Some(y as i32 + offset.y) {
deco_heightmap[x][z] = None
}
}
}
}
}
}
//Add decorations
for x in 0..CHUNK_SIZE {
for z in 0..CHUNK_SIZE {
//get height
let Some(height) = deco_heightmap[x][z] else { continue };
//check for air
// if blocks[x][local_y][z] == Block::Air {
// continue
// }
//place tall grass
if rng_map_a[x][z] < 0.03 {
if let Some(y) = local_y_position(height + 1, chunk_position) {
blocks[x][y][z] = Block::TallGrass;
}
}
//place trees!
if rng_map_a[x][z] < 0.001 {
//Replace grass with dirt under the tree
if let Some(y) = local_y_position(height, chunk_position) {
blocks[x][y][z] = Block::Dirt;
}
//Place wood (no smart_place needed here!)
let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
for tree_y in 0..tree_height {
if let Some(y) = local_y_position(height + 1 + tree_y, chunk_position) {
blocks[x][y][z] = Block::Wood;
}
}
let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
//Place leaf blocks
if let Some(y) = local_y_position(height + 1, chunk_position) {
let tree_pos = ivec3(x as i32, y as i32, z as i32);
// Place wood (smart_place)
// for tree_y in 0..tree_height {
// smart_place(&mut blocks, tree_pos + tree_y * IVec3::Y, Block::Wood);
// }
// Part that wraps around the tree
{
let tree_leaf_height = tree_height - 3;
let leaf_width = 2;
for tree_y in tree_leaf_height..tree_height {
for tree_x in (-leaf_width)..=leaf_width {
for tree_z in (-leaf_width)..=leaf_width {
let tree_offset = ivec3(tree_x, tree_y, tree_z);
if tree_offset.xz() == IVec2::ZERO { continue }
smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
}
}
}
}
//part above the tree
{
let leaf_above_height = 2;
let leaf_width = 1;
for tree_y in tree_height..(tree_height + leaf_above_height) {
for tree_x in (-leaf_width)..=leaf_width {
for tree_z in (-leaf_width)..=leaf_width {
let tree_offset = ivec3(tree_x, tree_y, tree_z);
smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
}
}
}
}
}
}
}
}
(blocks, queue)
// let mut cave_noise = FastNoise::seeded(seed);
// cave_noise.set_fractal_type(FractalType::FBM);
// cave_noise.set_frequency(0.1);
// let mut dirt_noise = FastNoise::seeded(seed.rotate_left(1));
// dirt_noise.set_fractal_type(FractalType::FBM);
// dirt_noise.set_frequency(0.1);
//
// if chunk_position.y >= 0 {
// if chunk_position.y == 0 {
// for x in 0..CHUNK_SIZE {
// for z in 0..CHUNK_SIZE {
// blocks[x][0][z] = Block::Dirt;
// blocks[x][1][z] = Block::Grass;
// }
// }
// }
// } else {
// for x in 0..CHUNK_SIZE {
// for y in 0..CHUNK_SIZE {
// for z in 0..CHUNK_SIZE {
// let position = ivec3(x as i32, y as i32, z as i32) + offset;
// let v_cave_noise = cave_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32 - 10.0).clamp(0., 1.);
// let v_dirt_noise = dirt_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32).clamp(0., 1.);
// if v_cave_noise > 0.5 {
// blocks[x][y][z] = Block::Stone;
// } else if v_dirt_noise > 0.5 {
// blocks[x][y][z] = Block::Dirt;
// }
// }
// }
// }
// }
// blocks
}

View file

@ -25,12 +25,14 @@ impl Default for GlobalClPhysicsConfig {
//XXX: maybe a capsule? (or configurable hull?)
#[derive(Component)]
pub struct ClPhysicsActor {
pub disable: bool,
pub offset: Vec3,
pub forces: Vec3,
pub velocity: Vec3,
pub terminal_velocity: f32,
//TODO: this should be configurable per block
pub friction_agains_ground: f32,
pub ground_friction: f32,
pub gravity_scale: f32,
flag_ground: bool,
flag_collision: bool,
}
@ -49,11 +51,13 @@ impl Default for ClPhysicsActor {
fn default() -> Self {
Self {
//HACK: for player
disable: false,
offset: vec3(0., 1.5, 0.),
forces: Vec3::ZERO,
velocity: Vec3::ZERO,
terminal_velocity: 40.,
friction_agains_ground: 0.5,
ground_friction: 10.,
gravity_scale: 1.,
flag_ground: false,
flag_collision: false,
}
@ -93,6 +97,11 @@ pub fn update_client_physics_late(
dt: UniqueView<DeltaTime>,
) {
for (mut actor, mut transform) in (&mut actors, &mut transforms).iter() {
if actor.disable {
actor.forces = Vec3::ZERO;
continue;
}
//apply forces
let actor_forces = actor.forces;
actor.velocity += (actor_forces + conf.gravity) * dt.0.as_secs_f32();
@ -105,7 +114,8 @@ pub fn update_client_physics_late(
//get grid-aligned pos and blocks
let actor_block_pos = actor_position.floor().as_ivec3();
let actor_block = world.get_block(actor_block_pos);
let actor_block_below = world.get_block(actor_block_pos + IVec3::NEG_Y);
let actor_block_pos_slightly_below = (actor_position + Vec3::NEG_Y * 0.01).floor().as_ivec3();
let actor_block_below = world.get_block(actor_block_pos_slightly_below);
//update flags
actor.flag_collision = actor_block.is_solid();
@ -130,14 +140,21 @@ pub fn update_client_physics_late(
//HACK: for now, just stop the vertical velocity if on ground altogether,
//as we don't have proper collision velocity resolution yet (we need to compute dot product or sth)
if actor.flag_ground {
actor.velocity.y = 0.;
actor.velocity.y = actor.velocity.y.max(0.);
}
}
//Apply velocity
actor_position += actor.velocity * dt.0.as_secs_f32();
actor_position += actor.offset;
transform.0 = Mat4::from_scale_rotation_translation(scale, rotation, actor_position);
transform.0 = Mat4::from_scale_rotation_translation(scale, rotation.normalize(), actor_position);
//Apply friction
// if actor.flag_ground {
// let actor_velocity = actor.velocity;
// let actor_friction = actor.ground_friction;
// actor.velocity -= (actor_velocity * actor_friction * dt.0.as_secs_f32()) * vec3(1., 0., 1.);
// }
}
// for (_, mut transform) in (&controllers, &mut transforms).iter() {
// let (scale, rotation, mut translation) = transform.0.to_scale_rotation_translation();

View file

@ -187,7 +187,7 @@ fn update_input_state (
inputs.look += raw_inputs.mouse_delta.as_vec2();
inputs.action_a |= raw_inputs.button_state[0];
inputs.action_b |= raw_inputs.button_state[1];
inputs.jump |= raw_inputs.button_state[2];
inputs.jump |= raw_inputs.keyboard_state.contains(KeyCode::Space as u32);
}
fn update_input_state_gamepad (

View file

@ -57,7 +57,7 @@ use events::{
player_actions::generate_move_events,
};
use input::{init_input, process_inputs};
use player_controller::update_player_controllers;
use player_controller::{debug_switch_ctl_type, update_player_controllers};
use rendering::{
Renderer,
RenderTarget,
@ -133,6 +133,7 @@ fn update() -> Workload {
update_loaded_world_around_player,
).into_sequential_workload().run_if(is_ingame_or_loading),
(
debug_switch_ctl_type,
update_player_controllers,
update_client_physics_late,
generate_move_events,

View file

@ -1,7 +1,8 @@
use glam::{Vec3, Mat4, Quat, EulerRot, Vec2};
use shipyard::{Component, View, ViewMut, IntoIter, UniqueView, Workload, IntoWorkload, track};
use glam::{vec3, EulerRot, Mat4, Quat, Vec2, Vec2Swizzles, Vec3, Vec3Swizzles};
use shipyard::{track, Component, Get, IntoIter, IntoWithId, IntoWorkload, Unique, UniqueView, View, ViewMut, Workload};
use winit::keyboard::KeyCode;
use std::f32::consts::PI;
use crate::{transform::Transform, input::Inputs, settings::GameSettings, delta_time::DeltaTime};
use crate::{client_physics::ClPhysicsActor, delta_time::DeltaTime, input::{Inputs, PrevInputs, RawKbmInputState}, settings::GameSettings, transform::Transform};
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum PlayerControllerType {
@ -18,7 +19,7 @@ pub struct PlayerController {
impl PlayerController {
pub const DEFAULT_FLY_CAM: Self = Self {
control_type: PlayerControllerType::FlyCam,
speed: 30.,
speed: 50.,
};
pub const DEFAULT_FPS_CTL: Self = Self {
@ -59,16 +60,61 @@ fn update_look(
fn update_movement(
controllers: View<PlayerController>,
mut transforms: ViewMut<Transform, track::All>,
mut actors: ViewMut<ClPhysicsActor>,
inputs: UniqueView<Inputs>,
prev_inputs: UniqueView<PrevInputs>,
dt: UniqueView<DeltaTime>,
) {
if inputs.movement == Vec2::ZERO { return }
let movement = inputs.movement * dt.0.as_secs_f32();
for (ctl, mut transform) in (&controllers, &mut transforms).iter() {
let jump = inputs.jump && !prev_inputs.0.jump;
if (inputs.movement == Vec2::ZERO) && !jump { return }
let movement = inputs.movement.extend(jump as u32 as f32).xzy();
for (id, (ctl, mut transform)) in (&controllers, &mut transforms).iter().with_id() {
let (scale, rotation, mut translation) = transform.0.to_scale_rotation_translation();
let rotation_norm = rotation.normalize();
translation += (rotation_norm * Vec3::NEG_Z).normalize() * movement.y * ctl.speed;
translation += (rotation_norm * Vec3::X).normalize() * movement.x * ctl.speed;
transform.0 = Mat4::from_scale_rotation_translation(scale, rotation_norm, translation);
match ctl.control_type {
PlayerControllerType::FlyCam => {
translation += (rotation_norm * Vec3::NEG_Z).normalize() * movement.z * ctl.speed * dt.0.as_secs_f32();
translation += (rotation_norm * Vec3::X).normalize() * movement.x * ctl.speed * dt.0.as_secs_f32();
translation += Vec3::Y * movement.y * ctl.speed * dt.0.as_secs_f32();
transform.0 = Mat4::from_scale_rotation_translation(scale, rotation_norm, translation);
},
PlayerControllerType::FpsCtl => {
let mut actor = (&mut actors).get(id).unwrap();
let actor_on_ground = actor.on_ground();
let euler = rotation_norm.to_euler(EulerRot::YZX);
let right = Vec2::from_angle(-euler.0).extend(0.).xzy();
let forward = Vec2::from_angle(-(euler.0 + PI/2.)).extend(0.).xzy();
actor.apply_force(ctl.speed * (
(forward * movement.z) +
(right * movement.x) +
//TODO: remove hardcoded jump force
(Vec3::Y * movement.y * 125. * (actor_on_ground as u8 as f32))
));
// translation += forward * movement.z * ctl.speed * dt.0.as_secs_f32();
// translation += right * movement.x * ctl.speed * dt.0.as_secs_f32();
// translation += Vec3::Y * movement.y * ctl.speed * dt.0.as_secs_f32();
// transform.0 = Mat4::from_scale_rotation_translation(scale, rotation_norm, translation);
}
}
}
}
pub fn debug_switch_ctl_type(
mut controllers: ViewMut<PlayerController>,
mut actors: ViewMut<ClPhysicsActor>,
kbm_state: UniqueView<RawKbmInputState>,
) {
for (mut controller, mut actor) in (&mut controllers, &mut actors).iter() {
if kbm_state.keyboard_state.contains(KeyCode::F4 as u32) {
*controller = PlayerController::DEFAULT_FPS_CTL;
actor.disable = false;
} else if kbm_state.keyboard_state.contains(KeyCode::F5 as u32) {
*controller = PlayerController::DEFAULT_FLY_CAM;
actor.disable = true;
}
}
}