mirror of
https://gitlab.com/veloren/veloren.git
synced 2024-08-30 18:12:32 +00:00
83 lines
2.4 KiB
Rust
83 lines
2.4 KiB
Rust
use std::ops::{Add, Mul, Sub};
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use vek::*;
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use veloren_world::{sim::WorldOpts, util::Sampler, World};
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const W: usize = 640;
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const H: usize = 480;
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fn main() {
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let threadpool = rayon::ThreadPoolBuilder::new().build().unwrap();
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let (world, index) = World::generate(
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0,
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WorldOpts {
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seed_elements: true,
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..WorldOpts::default()
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},
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&threadpool,
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);
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let index = index.as_index_ref();
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let mut win =
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minifb::Window::new("World Viewer", W, H, minifb::WindowOptions::default()).unwrap();
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let mut focus = Vec2::zero();
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let mut gain = 1.0;
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let mut scale = 4;
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while win.is_open() {
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let mut buf = vec![0; W * H];
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for i in 0..W {
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for j in 0..H {
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let pos = focus + Vec2::new(i as i32, j as i32) * scale;
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let sampler = world.sample_blocks(pos >> common::terrain::TERRAIN_CHUNK_BLOCKS_LG as i32, index);
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let (alt, place) = sampler
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.map(|sampler| {
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let sample = sampler.column_gen.get(pos);
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(
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sample.alt.sub(64.0).add(gain).mul(0.7).clamp(0.0, 255.0) as u8,
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sampler.column_gen.sim_chunk.place,
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)
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})
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.unwrap_or((0, None));
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let place_color = place
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.map(|p| ((p.id() % 256) as u8 * 17, (p.id() % 256) as u8 * 13))
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.unwrap_or((0, 0));
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buf[j * W + i] = u32::from_le_bytes([place_color.0, place_color.1, alt, alt]);
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}
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}
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let spd = 32;
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if win.is_key_down(minifb::Key::W) {
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focus.y -= spd * scale;
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}
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if win.is_key_down(minifb::Key::A) {
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focus.x -= spd * scale;
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}
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if win.is_key_down(minifb::Key::S) {
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focus.y += spd * scale;
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}
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if win.is_key_down(minifb::Key::D) {
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focus.x += spd * scale;
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}
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if win.is_key_down(minifb::Key::Q) {
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gain += 10.0;
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}
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if win.is_key_down(minifb::Key::E) {
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gain -= 10.0;
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}
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if win.is_key_down(minifb::Key::R) {
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scale += 6;
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}
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if win.is_key_down(minifb::Key::F) {
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scale -= 6;
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}
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win.update_with_buffer(&buf, W, H).unwrap();
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}
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}
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