987 lines
36 KiB
Rust
987 lines
36 KiB
Rust
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pub mod liquid;
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use std::sync::{Arc, RwLock};
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use std::collections::HashMap;
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use std::io::Write;
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use byteorder::{WriteBytesExt, NativeEndian};
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use resources;
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use render;
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use world;
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use world::block::TintType;
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use types::Direction;
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use serde_json;
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use std::hash::BuildHasherDefault;
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use types::hash::FNVHash;
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use rand::Rng;
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use image::{self, GenericImage};
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pub struct Factory {
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resources: Arc<RwLock<resources::Manager>>,
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pub textures: Arc<RwLock<render::TextureManager>>,
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models: HashMap<Key, StateModel, BuildHasherDefault<FNVHash>>,
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grass_colors: image::DynamicImage,
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foliage_colors: image::DynamicImage,
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}
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#[derive(PartialEq, Eq, Hash, Clone)]
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struct Key(String, String);
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macro_rules! try_log {
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($e:expr) => (
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match $e {
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Ok(val) => val,
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Err(err) => {
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error!("Error loading model {:?}", err);
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return false;
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}
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}
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);
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(opt $e:expr) => (
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match $e {
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Ok(val) => val,
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Err(err) => {
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error!("Error loading model {:?}", err);
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return None;
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}
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}
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);
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}
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impl Factory {
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pub fn new(resources: Arc<RwLock<resources::Manager>>, textures: Arc<RwLock<render::TextureManager>>) -> Factory {
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Factory {
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grass_colors: Factory::load_biome_colors(resources.clone(), "grass"),
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foliage_colors: Factory::load_biome_colors(resources.clone(), "foliage"),
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resources: resources,
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textures: textures,
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models: HashMap::with_hasher(BuildHasherDefault::default()),
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}
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}
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fn load_biome_colors(res: Arc<RwLock<resources::Manager>>, name: &str) -> image::DynamicImage {
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let mut val = match res.read().unwrap().open("minecraft", &format!("textures/colormap/{}.png", name)) {
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Some(val) => val,
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None => return image::DynamicImage::new_rgb8(256, 256),
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};
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let mut data = Vec::new();
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val.read_to_end(&mut data).unwrap();
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image::load_from_memory(&data).unwrap()
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}
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pub fn version_change(&mut self) {
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self.models.clear();
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self.grass_colors = Factory::load_biome_colors(self.resources.clone(), "grass");
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self.foliage_colors = Factory::load_biome_colors(self.resources.clone(), "foliage");
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}
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pub fn get_state_model<R: Rng, W: Write>(models: &Arc<RwLock<Factory>>, plugin: &str, name: &str, variant: &str, rng: &mut R,
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snapshot: &world::Snapshot, x: i32, y: i32, z: i32, buf: &mut W) -> usize {
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let key = Key(plugin.to_owned(), name.to_owned());
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let mut missing = false;
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{
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let m = models.read().unwrap();
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if let Some(model) = m.models.get(&key) {
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if let Some(var) = model.get_variants(variant) {
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let model = var.choose_model(rng);
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return model.render(&*m, snapshot, x, y, z, buf);
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}
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missing = true;
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}
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}
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if !missing {
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let mut m = models.write().unwrap();
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if !m.models.contains_key(&key) && !m.load_model(plugin, name) {
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error!("Error loading model {}:{}", plugin, name);
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}
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if let Some(model) = m.models.get(&key) {
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if let Some(var) = model.get_variants(variant) {
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let model = var.choose_model(rng);
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return model.render(&*m, snapshot, x, y, z, buf);
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}
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}
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}
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let ret = Factory::get_state_model(models, "steven", "missing_block", "normal", rng, snapshot, x, y, z, buf);
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{
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let mut m = models.write().unwrap();
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let model = m.models.get(&Key("steven".to_owned(), "missing_block".to_owned())).unwrap().clone();
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m.models.insert(key, model);
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}
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ret
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}
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fn load_model(&mut self, plugin: &str, name: &str) -> bool {
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let file = match self.resources.read().unwrap().open(plugin, &format!("blockstates/{}.json", name)) {
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Some(val) => val,
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None => return false,
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};
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let mdl: serde_json::Value = try_log!(serde_json::from_reader(file));
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let mut model = StateModel {
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variants: HashMap::with_hasher(BuildHasherDefault::default()),
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};
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if let Some(variants) = mdl.find("variants").and_then(|v| v.as_object()) {
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for (k, v) in variants {
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let vars = self.parse_model_list(plugin, v);
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if vars.models.is_empty() {
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return false;
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}
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model.variants.insert(k.clone(), vars);
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}
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}
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if let Some(multipart) = mdl.find("multipart").and_then(|v| v.as_array()) {
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warn!("Found unhandled multipart {:?}", multipart);
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}
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self.models.insert(Key(plugin.to_owned(), name.to_owned()), model);
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true
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}
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fn parse_model_list(&self, plugin: &str, v: &serde_json::Value) -> Variants {
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let mut variants = Variants {
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models: vec![]
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};
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if let Some(list) = v.as_array() {
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for val in list {
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if let Some(mdl) = self.parse_block_state_variant(plugin, val) {
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variants.models.push(self.process_model(mdl));
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}
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}
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} else {
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if let Some(mdl) = self.parse_block_state_variant(plugin, v) {
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variants.models.push(self.process_model(mdl));
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}
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}
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variants
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}
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fn parse_block_state_variant(&self, plugin: &str, v: &serde_json::Value) -> Option<RawModel> {
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let model_name = match v.find("model").and_then(|v| v.as_string()) {
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Some(val) => val,
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None => {
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error!("Couldn't find model name");
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return None;
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},
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};
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let file = match self.resources.read().unwrap().open(plugin, &format!("models/block/{}.json", model_name)) {
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Some(val) => val,
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None => {
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error!("Couldn't find model {}", format!("models/block/{}.json", model_name));
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return None;
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},
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};
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let block_model: serde_json::Value = try_log!(opt serde_json::from_reader(file));
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let mut model = match self.parse_model(plugin, &block_model) {
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Some(val) => val,
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None => {
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error!("Failed to parse model {}", format!("models/block/{}.json", model_name));
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return None;
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},
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};
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model.y = v.find("y").and_then(|v| v.as_f64()).unwrap_or(0.0);
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model.x = v.find("x").and_then(|v| v.as_f64()).unwrap_or(0.0);
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model.uvlock = v.find("uvlock").and_then(|v| v.as_boolean()).unwrap_or(false);
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model.weight = v.find("weight").and_then(|v| v.as_f64()).unwrap_or(1.0);
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Some(model)
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}
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fn parse_model(&self, plugin: &str, v: &serde_json::Value) -> Option<RawModel> {
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let parent = v.find("parent").and_then(|v| v.as_string()).unwrap_or("");
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let mut model = if !parent.is_empty() && !parent.starts_with("builtin/") {
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let file = match self.resources.read().unwrap().open(plugin, &format!("models/{}.json", parent)) {
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Some(val) => val,
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None => {
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error!("Couldn't find model {}", format!("models/{}.json", parent));
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return None;
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},
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};
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let block_model: serde_json::Value = try_log!(opt serde_json::from_reader(file));
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match self.parse_model(plugin, &block_model) {
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Some(val) => val,
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None => {
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error!("Failed to parse model {}", format!("models/{}.json", parent));
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return None
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},
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}
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} else {
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RawModel {
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texture_vars: HashMap::with_hasher(BuildHasherDefault::default()),
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elements: vec![],
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ambient_occlusion: true,
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ao_set: false,
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x: 0.0,
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y: 0.0,
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uvlock: false,
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weight: 1.0,
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display: HashMap::with_hasher(BuildHasherDefault::default()),
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builtin: match parent {
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"builtin/generated" => BuiltinType::Generated,
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"builtin/entity" => BuiltinType::Entity,
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"builtin/compass" => BuiltinType::Compass,
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"builtin/clock" => BuiltinType::Clock,
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_ => BuiltinType::False,
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},
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}
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};
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if let Some(textures) = v.find("textures").and_then(|v| v.as_object()) {
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for (k, v) in textures {
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model.texture_vars.insert(k.clone(), v.as_string().unwrap_or("").to_owned());
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}
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}
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if let Some(ao) = v.find("ambientocclusion").and_then(|v| v.as_boolean()) {
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model.ambient_occlusion = ao;
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model.ao_set = true;
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} else if !model.ao_set {
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model.ambient_occlusion = true;
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}
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if let Some(elements) = v.find("elements").and_then(|v| v.as_array()) {
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for e in elements {
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model.elements.push(self.parse_block_element(e));
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}
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}
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// TODO: Display
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Some(model)
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}
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fn parse_block_element(&self, v: &serde_json::Value) -> ModelElement {
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let mut element = ModelElement {
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from: v.find("from").and_then(|v| v.as_array()).map(|v| [
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v[0].as_f64().unwrap(),
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v[1].as_f64().unwrap(),
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v[2].as_f64().unwrap()
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]).unwrap(),
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to: v.find("to").and_then(|v| v.as_array()).map(|v| [
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v[0].as_f64().unwrap(),
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v[1].as_f64().unwrap(),
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v[2].as_f64().unwrap()
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]).unwrap(),
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shade: v.find("shade").and_then(|v| v.as_boolean()).unwrap_or(false),
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faces: [None, None, None, None, None, None],
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rotation: None,
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};
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if let Some(faces) = v.find("faces").and_then(|v| v.as_object()) {
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for dir in Direction::all() {
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if let Some(face) = faces.get(dir.as_string()) {
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element.faces[dir.index()] = Some(BlockFace {
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uv: face.find("uv").and_then(|v| v.as_array()).map_or_else(
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|| {
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let mut uv = [0.0, 0.0, 16.0, 16.0];
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match dir {
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Direction::North | Direction::South => {
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uv[0] = element.from[0];
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uv[2] = element.to[0];
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uv[1] = 16.0 - element.to[1];
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uv[3] = 16.0 - element.from[1];
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},
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Direction::West | Direction::East => {
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uv[0] = element.from[2];
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uv[2] = element.to[2];
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uv[1] = 16.0 - element.to[1];
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uv[3] = 16.0 - element.from[1];
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},
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Direction::Down | Direction::Up => {
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uv[0] = element.from[0];
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uv[2] = element.to[0];
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uv[1] = 16.0 - element.to[2];
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uv[3] = 16.0 - element.from[2];
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},
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_ => unreachable!(),
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}
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uv
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},
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|v| [
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v[0].as_f64().unwrap(),
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v[1].as_f64().unwrap(),
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v[2].as_f64().unwrap(),
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v[3].as_f64().unwrap()
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]
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),
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texture: face.find("texture")
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.and_then(|v| v.as_string())
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.map(|v| if v.starts_with('#') {
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v.to_owned()
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} else {
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"#".to_owned() + v
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}).unwrap(),
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cull_face: Direction::from_string(
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face.find("cullface")
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.and_then(|v| v.as_string())
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.unwrap_or("invalid")
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),
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rotation: face.find("rotation")
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.and_then(|v| v.as_i64())
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.map_or(0, |v| v as i32),
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tint_index: face.find("tintindex")
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.and_then(|v| v.as_i64())
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.map_or(-1, |v| v as i32),
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});
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}
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}
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}
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if let Some(rotation) = v.find("rotation") {
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element.rotation = Some(BlockRotation {
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origin: rotation.find("origin").and_then(|v| v.as_array()).map_or([8.0, 8.0, 8.0], |v| [
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v[0].as_f64().unwrap(),
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v[1].as_f64().unwrap(),
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v[2].as_f64().unwrap()
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]),
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axis: rotation.find("axis").and_then(|v| v.as_string()).unwrap_or("").to_owned(),
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angle: rotation.find("angle").and_then(|v| v.as_f64()).unwrap_or(0.0),
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rescale: rotation.find("rescale").and_then(|v| v.as_boolean()).unwrap_or(false),
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});
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}
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element
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}
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fn process_model(&self, mut raw: RawModel) -> Model {
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let mut model = Model {
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faces: vec![],
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ambient_occlusion: raw.ambient_occlusion,
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weight: raw.weight,
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};
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let elements = ::std::mem::replace(&mut raw.elements, vec![]);
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for el in elements {
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let all_dirs = Direction::all();
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for (i, face) in el.faces.iter().enumerate() {
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if let Some(face) = face.as_ref() {
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let face_id = all_dirs[i];
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let mut processed_face = Face {
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cull_face: face.cull_face,
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facing: face_id,
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vertices: vec![],
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vertices_texture: vec![],
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indices: 0,
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shade: el.shade,
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tint_index: face.tint_index,
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};
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if raw.x > 0.0 {
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let o = (raw.x as i32) / 90;
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processed_face.cull_face = rotate_direction(processed_face.cull_face, o, FACE_ROTATION_X, &[
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Direction::East,
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Direction::West,
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Direction::Invalid,
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]);
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processed_face.facing = rotate_direction(processed_face.facing, o, FACE_ROTATION_X, &[
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Direction::East,
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Direction::West,
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Direction::Invalid,
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]);
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}
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if raw.y > 0.0 {
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let o = (raw.y as i32) / 90;
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processed_face.cull_face = rotate_direction(processed_face.cull_face, o, FACE_ROTATION, &[
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Direction::Up,
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Direction::Down,
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Direction::Invalid,
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]);
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processed_face.facing = rotate_direction(processed_face.facing, o, FACE_ROTATION, &[
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Direction::Up,
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Direction::Down,
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Direction::Invalid,
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]);
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}
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let mut verts = all_dirs[i].get_verts().to_vec();
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let texture_name = raw.lookup_texture(&face.texture);
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let texture = render::Renderer::get_texture(&self.textures, &texture_name);
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let mut ux1 = (face.uv[0] * (texture.get_width() as f64)) as i16;
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let mut ux2 = (face.uv[2] * (texture.get_width() as f64)) as i16;
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let mut uy1 = (face.uv[1] * (texture.get_height() as f64)) as i16;
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let mut uy2 = (face.uv[3] * (texture.get_height() as f64)) as i16;
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let tw = texture.get_width() as i16;
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let th = texture.get_height() as i16;
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if face.rotation > 0 {
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let x = ux1;
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let y = uy1;
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let w = ux2 - ux1;
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let h = uy2 - uy1;
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match face.rotation {
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90 => {
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uy2 = x + w;
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ux1 = tw*16 - (y + h);
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ux2 = tw*16 - y;
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uy1 = x;
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},
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180 => {
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uy1 = th*16 - (y + h);
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uy2 = th*16 - y;
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ux1 = x + w;
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ux2 = x;
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},
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270 => {
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uy2 = x;
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uy1 = x + w;
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ux2 = y + h;
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ux1 = y;
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},
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_ => {},
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}
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}
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let mut min_x = ::std::f32::INFINITY;
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let mut min_y = ::std::f32::INFINITY;
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let mut min_z = ::std::f32::INFINITY;
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let mut max_x = ::std::f32::NEG_INFINITY;
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let mut max_y = ::std::f32::NEG_INFINITY;
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let mut max_z = ::std::f32::NEG_INFINITY;
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for v in &mut verts {
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processed_face.vertices_texture.push(texture.clone());
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v.tx = texture.get_x() as u16;
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v.ty = texture.get_y() as u16;
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v.tw = texture.get_width() as u16;
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v.th = texture.get_height() as u16;
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v.tatlas = texture.atlas as i16;
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if v.x < 0.5 {
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v.x = (el.from[0] / 16.0) as f32;
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} else {
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v.x = (el.to[0] / 16.0) as f32;
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}
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if v.y < 0.5 {
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v.y = (el.from[1] / 16.0) as f32;
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} else {
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v.y = (el.to[1] / 16.0) as f32;
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}
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if v.z < 0.5 {
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v.z = (el.from[2] / 16.0) as f32;
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} else {
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v.z = (el.to[2] / 16.0) as f32;
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}
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if let Some(r) = el.rotation.as_ref() {
|
|
match &*r.axis {
|
|
"y" => {
|
|
let rot_y = (-r.angle * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_y.cos();
|
|
let s = rot_y.sin();
|
|
let x = v.x - ((r.origin[0] as f32)/16.0);
|
|
let z = v.z - ((r.origin[2] as f32)/16.0);
|
|
v.x = ((r.origin[0] as f32)/16.0) + (x*c - z*s);
|
|
v.z = ((r.origin[2] as f32)/16.0) + (z*c + x*s);
|
|
},
|
|
"x" => {
|
|
let rot_x = (-r.angle * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_x.cos();
|
|
let s = rot_x.sin();
|
|
let z = v.z - ((r.origin[2] as f32)/16.0);
|
|
let y = v.y - ((r.origin[1] as f32)/16.0);
|
|
v.z = ((r.origin[2] as f32)/16.0) + (z*c - y*s);
|
|
v.y = ((r.origin[1] as f32)/16.0) + (y*c + z*s);
|
|
},
|
|
"z" => {
|
|
let rot_z = (r.angle * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_z.cos();
|
|
let s = rot_z.sin();
|
|
let x = v.x - ((r.origin[0] as f32)/16.0);
|
|
let y = v.y - ((r.origin[1] as f32)/16.0);
|
|
v.x = ((r.origin[0] as f32)/16.0) + (x*c - y*s);
|
|
v.y = ((r.origin[1] as f32)/16.0) + (y*c + x*s);
|
|
},
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
if raw.x > 0.0 {
|
|
let rot_x = (raw.x * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_x.cos();
|
|
let s = rot_x.sin();
|
|
let z = v.z - 0.5;
|
|
let y = v.y - 0.5;
|
|
v.z = 0.5 + (z*c - y*s);
|
|
v.y = 0.5 + (y*c + z*s);
|
|
}
|
|
|
|
if raw.y > 0.0 {
|
|
let rot_y = (raw.y * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_y.cos();
|
|
let s = rot_y.sin();
|
|
let x = v.x - 0.5;
|
|
let z = v.z - 0.5;
|
|
v.x = 0.5 + (x*c - z*s);
|
|
v.z = 0.5 + (z*c + x*s);
|
|
}
|
|
|
|
if v.toffsetx == 0 {
|
|
v.toffsetx = ux1;
|
|
} else {
|
|
v.toffsetx = ux2;
|
|
}
|
|
|
|
if v.toffsety == 0 {
|
|
v.toffsety = uy1;
|
|
} else {
|
|
v.toffsety = uy2;
|
|
}
|
|
|
|
if face.rotation > 0 {
|
|
let rot_y = (face.rotation as f64 * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_y.cos() as i16;
|
|
let s = rot_y.sin() as i16;
|
|
let x = v.toffsetx - 8*tw;
|
|
let y = v.toffsety - 8*th;
|
|
v.toffsetx = 8*tw + (x*c - y*s);
|
|
v.toffsety = 8*th + (y*c + x*s);
|
|
}
|
|
|
|
if raw.uvlock && raw.y > 0.0
|
|
&& (processed_face.facing == Direction::Up || processed_face.facing == Direction::Down) {
|
|
let rot_y = (raw.y * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_y.cos() as i16;
|
|
let s = rot_y.sin() as i16;
|
|
let x = v.toffsetx - 8*16;
|
|
let y = v.toffsety - 8*16;
|
|
v.toffsetx = 8*16 + (x*c - y*s);
|
|
v.toffsety = 8*16 + (y*c + x*s);
|
|
}
|
|
|
|
if raw.uvlock && raw.x > 0.0
|
|
&& (processed_face.facing != Direction::Up && processed_face.facing != Direction::Down) {
|
|
let rot_x = (raw.x * (::std::f64::consts::PI / 180.0)) as f32;
|
|
let c = rot_x.cos() as i16;
|
|
let s = rot_x.sin() as i16;
|
|
let x = v.toffsetx - 8*16;
|
|
let y = v.toffsety - 8*16;
|
|
v.toffsetx = 8*16 + (x*c - y*s);
|
|
v.toffsety = 8*16 + (y*c + x*s);
|
|
}
|
|
|
|
if let Some(r) = el.rotation.as_ref() {
|
|
if r.rescale {
|
|
min_x = min_x.min(v.x);
|
|
min_y = min_y.min(v.y);
|
|
min_z = min_z.min(v.z);
|
|
max_x = max_x.max(v.x);
|
|
max_y = max_y.max(v.y);
|
|
max_z = max_z.max(v.z);
|
|
}
|
|
}
|
|
}
|
|
|
|
if let Some(r) = el.rotation.as_ref() {
|
|
if r.rescale {
|
|
let dx = max_x - min_x;
|
|
let dy = max_y - min_y;
|
|
let dz = max_z - min_z;
|
|
for v in &mut verts {
|
|
v.x = (v.x - min_x) / dx;
|
|
v.y = (v.y - min_y) / dy;
|
|
v.z = (v.z - min_z) / dz;
|
|
}
|
|
}
|
|
}
|
|
|
|
processed_face.vertices = verts;
|
|
processed_face.indices = 6;
|
|
model.faces.push(processed_face);
|
|
}
|
|
}
|
|
}
|
|
model
|
|
}
|
|
}
|
|
|
|
const FACE_ROTATION: &'static [Direction] = &[
|
|
Direction::North,
|
|
Direction::East,
|
|
Direction::South,
|
|
Direction::West,
|
|
];
|
|
|
|
const FACE_ROTATION_X: &'static [Direction] = &[
|
|
Direction::North,
|
|
Direction::Down,
|
|
Direction::South,
|
|
Direction::Up,
|
|
];
|
|
|
|
fn rotate_direction(val: Direction, offset: i32, rots: &[Direction], invalid: &[Direction]) -> Direction {
|
|
for d in invalid {
|
|
if *d == val {
|
|
return val;
|
|
}
|
|
}
|
|
let pos = rots.iter()
|
|
.position(|v| *v == val)
|
|
.unwrap_or(0);
|
|
rots[(pos + offset as usize) % rots.len()]
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct StateModel {
|
|
variants: HashMap<String, Variants, BuildHasherDefault<FNVHash>>,
|
|
}
|
|
|
|
impl StateModel {
|
|
pub fn get_variants(&self, name: &str) -> Option<&Variants> {
|
|
self.variants.get(name)
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct Variants {
|
|
models: Vec<Model>,
|
|
}
|
|
|
|
impl Variants {
|
|
fn choose_model<R: Rng>(&self, rng: &mut R) -> &Model {
|
|
// TODO: Weighted random
|
|
rng.choose(&self.models).unwrap()
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
enum BuiltinType {
|
|
False,
|
|
Generated,
|
|
Entity,
|
|
Compass,
|
|
Clock
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct RawModel {
|
|
texture_vars: HashMap<String, String, BuildHasherDefault<FNVHash>>,
|
|
elements: Vec<ModelElement>,
|
|
ambient_occlusion: bool,
|
|
ao_set: bool,
|
|
|
|
x: f64,
|
|
y: f64,
|
|
uvlock: bool,
|
|
weight: f64,
|
|
|
|
display: HashMap<String, ModelDisplay, BuildHasherDefault<FNVHash>>,
|
|
builtin: BuiltinType,
|
|
}
|
|
|
|
impl RawModel {
|
|
fn lookup_texture(&self, name: &str) -> String {
|
|
if !name.is_empty() && name.starts_with('#') {
|
|
let tex = self.texture_vars.get(&name[1..]).cloned().unwrap_or("".to_owned());
|
|
return self.lookup_texture(&tex);
|
|
}
|
|
name.to_owned()
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct ModelDisplay {
|
|
rotation: [f64; 3],
|
|
translation: [f64; 3],
|
|
scale: [f64; 3],
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct ModelElement {
|
|
from: [f64; 3],
|
|
to: [f64; 3],
|
|
shade: bool,
|
|
rotation: Option<BlockRotation>,
|
|
faces: [Option<BlockFace>; 6],
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct BlockRotation {
|
|
origin: [f64; 3],
|
|
axis: String,
|
|
angle: f64,
|
|
rescale: bool,
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct BlockFace {
|
|
uv: [f64; 4],
|
|
texture: String,
|
|
cull_face: Direction,
|
|
rotation: i32,
|
|
tint_index: i32,
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
struct Model {
|
|
faces: Vec<Face>,
|
|
ambient_occlusion: bool,
|
|
weight: f64,
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
struct Face {
|
|
cull_face: Direction,
|
|
facing: Direction,
|
|
vertices: Vec<BlockVertex>,
|
|
vertices_texture: Vec<render::Texture>,
|
|
indices: usize,
|
|
shade: bool,
|
|
tint_index: i32,
|
|
}
|
|
|
|
impl Model {
|
|
fn render<W: Write>(&self, factory: &Factory, snapshot: &world::Snapshot, x: i32, y: i32, z: i32, buf: &mut W) -> usize {
|
|
let this = snapshot.get_block(x, y, z);
|
|
let this_mat = this.get_material();
|
|
let mut indices = 0;
|
|
|
|
let tint = this.get_tint();
|
|
|
|
for face in &self.faces {
|
|
if face.cull_face != Direction::Invalid && !this_mat.never_cull {
|
|
let (ox, oy, oz) = face.cull_face.get_offset();
|
|
let other = snapshot.get_block(x + ox, y + oy, z + oz);
|
|
if other.get_material().should_cull_against || other == this {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
let (mut cr, mut cg, mut cb) = (255, 255, 255);
|
|
match face.tint_index {
|
|
0 => {
|
|
match tint {
|
|
TintType::Default => {},
|
|
TintType::Color{r, g, b} => {
|
|
cr = r;
|
|
cg = g;
|
|
cb = b;
|
|
},
|
|
TintType::Grass => {
|
|
let (r, g, b) = calculate_biome(snapshot, x, z, &factory.grass_colors);
|
|
cr = r;
|
|
cg = g;
|
|
cb = b;
|
|
},
|
|
TintType::Foliage => {
|
|
let (r, g, b) = calculate_biome(snapshot, x, z, &factory.foliage_colors);
|
|
cr = r;
|
|
cg = g;
|
|
cb = b;
|
|
},
|
|
}
|
|
},
|
|
_ => {},
|
|
}
|
|
if face.facing == Direction::West || face.facing == Direction::East {
|
|
cr = ((cr as f64) * 0.8) as u8;
|
|
cg = ((cg as f64) * 0.8) as u8;
|
|
cb = ((cb as f64) * 0.8) as u8;
|
|
}
|
|
indices += face.indices;
|
|
|
|
for vert in &face.vertices {
|
|
let mut vert = vert.clone();
|
|
vert.r = cr;
|
|
vert.g = cg;
|
|
vert.b = cb;
|
|
|
|
vert.x += x as f32;
|
|
vert.y += y as f32;
|
|
vert.z += z as f32;
|
|
|
|
let (bl, sl) = calculate_light(
|
|
&snapshot,
|
|
x, y, z,
|
|
vert.x as f64,
|
|
vert.y as f64,
|
|
vert.z as f64,
|
|
face.facing,
|
|
self.ambient_occlusion,
|
|
this_mat.force_shade
|
|
);
|
|
vert.block_light = bl;
|
|
vert.sky_light = sl;
|
|
vert.write(buf);
|
|
}
|
|
}
|
|
indices
|
|
}
|
|
}
|
|
|
|
fn calculate_biome(snapshot: &world::Snapshot, x: i32, z: i32, img: &image::DynamicImage) -> (u8, u8, u8) {
|
|
use std::cmp::{min, max};
|
|
let mut count = 0;
|
|
let mut r = 0;
|
|
let mut g = 0;
|
|
let mut b = 0;
|
|
for xx in -2 .. 3 {
|
|
for zz in -2 .. 3 {
|
|
let bi = snapshot.get_biome(x+xx, z+zz);
|
|
let ix = bi.color_index & 0xFF;
|
|
let iy = bi.color_index >> 8;
|
|
|
|
let ix = min(max(ix, 0), 255);
|
|
let iy = min(max(iy, 0), 255);
|
|
|
|
let col = img.get_pixel(ix as u32, iy as u32);
|
|
r += col.data[0] as u32;
|
|
g += col.data[1] as u32;
|
|
b += col.data[2] as u32;
|
|
count += 1;
|
|
}
|
|
}
|
|
((r/count) as u8, (g/count) as u8, (b/count) as u8)
|
|
}
|
|
|
|
fn calculate_light(snapshot: &world::Snapshot, orig_x: i32, orig_y: i32, orig_z: i32,
|
|
x: f64, y: f64, z: f64, face: Direction, smooth: bool, force: bool) -> (u16, u16) {
|
|
use std::cmp::max;
|
|
use world::block;
|
|
let (ox, oy, oz) = if !snapshot.get_block(orig_x, orig_y, orig_z).get_material().should_cull_against {
|
|
(0, 0, 0)
|
|
} else {
|
|
face.get_offset()
|
|
};
|
|
|
|
let s_block_light = snapshot.get_block_light(orig_x + ox, orig_y + oy, orig_z + oz);
|
|
let s_sky_light = snapshot.get_sky_light(orig_x + ox, orig_y + oy, orig_z + oz);
|
|
if !smooth {
|
|
return ((s_block_light as u16) * 4000, (s_sky_light as u16) * 4000);
|
|
}
|
|
|
|
let mut block_light = 0u32;
|
|
let mut sky_light = 0u32;
|
|
let mut count = 0;
|
|
|
|
let s_block_light = max(((s_block_light as i8) - 8), 0) as u8;
|
|
let s_sky_light = max(((s_sky_light as i8) - 8), 0) as u8;
|
|
|
|
let dx = (ox as f64) * 0.6;
|
|
let dy = (oy as f64) * 0.6;
|
|
let dz = (oz as f64) * 0.6;
|
|
|
|
for ox in [-0.6, 0.0].into_iter() {
|
|
for oy in [-0.6, 0.0].into_iter() {
|
|
for oz in [-0.6, 0.0].into_iter() {
|
|
let lx = (x + ox + dx).round() as i32;
|
|
let ly = (y + oy + dy).round() as i32;
|
|
let lz = (z + oz + dz).round() as i32;
|
|
let mut bl = snapshot.get_block_light(lx, ly, lz);
|
|
let mut sl = snapshot.get_sky_light(lx, ly, lz);
|
|
if (force && match snapshot.get_block(lx, ly, lz) { block::Air{} => false, _ => true })
|
|
|| (sl == 0 && bl == 0){
|
|
bl = s_block_light;
|
|
sl = s_sky_light;
|
|
}
|
|
block_light += bl as u32;
|
|
sky_light += sl as u32;
|
|
count += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
((((block_light * 4000) / count) as u16), (((sky_light * 4000) / count) as u16))
|
|
}
|
|
|
|
|
|
|
|
pub const PRECOMPUTED_VERTS: [&'static [BlockVertex; 4]; 6] = [
|
|
&[ // Up
|
|
BlockVertex::base(0.0, 1.0, 0.0, 0, 0),
|
|
BlockVertex::base(1.0, 1.0, 0.0, 1, 0),
|
|
BlockVertex::base(0.0, 1.0, 1.0, 0, 1),
|
|
BlockVertex::base(1.0, 1.0, 1.0, 1, 1),
|
|
],
|
|
&[ // Down
|
|
BlockVertex::base(0.0, 0.0, 0.0, 0, 1),
|
|
BlockVertex::base(0.0, 0.0, 1.0, 0, 0),
|
|
BlockVertex::base(1.0, 0.0, 0.0, 1, 1),
|
|
BlockVertex::base(1.0, 0.0, 1.0, 1, 0),
|
|
],
|
|
&[ // North
|
|
BlockVertex::base(0.0, 0.0, 0.0, 1, 1),
|
|
BlockVertex::base(1.0, 0.0, 0.0, 0, 1),
|
|
BlockVertex::base(0.0, 1.0, 0.0, 1, 0),
|
|
BlockVertex::base(1.0, 1.0, 0.0, 0, 0),
|
|
],
|
|
&[ // South
|
|
BlockVertex::base(0.0, 0.0, 1.0, 0, 1),
|
|
BlockVertex::base(0.0, 1.0, 1.0, 0, 0),
|
|
BlockVertex::base(1.0, 0.0, 1.0, 1, 1),
|
|
BlockVertex::base(1.0, 1.0, 1.0, 1, 0),
|
|
],
|
|
&[ // West
|
|
BlockVertex::base(0.0, 0.0, 0.0, 0, 1),
|
|
BlockVertex::base(0.0, 1.0, 0.0, 0, 0),
|
|
BlockVertex::base(0.0, 0.0, 1.0, 1, 1),
|
|
BlockVertex::base(0.0, 1.0, 1.0, 1, 0),
|
|
],
|
|
&[ // East
|
|
BlockVertex::base(1.0, 0.0, 0.0, 1, 1),
|
|
BlockVertex::base(1.0, 0.0, 1.0, 0, 1),
|
|
BlockVertex::base(1.0, 1.0, 0.0, 1, 0),
|
|
BlockVertex::base(1.0, 1.0, 1.0, 0, 0),
|
|
],
|
|
];
|
|
|
|
#[derive(Clone)]
|
|
pub struct BlockVertex {
|
|
pub x: f32,
|
|
pub y: f32,
|
|
pub z: f32,
|
|
pub tx: u16,
|
|
pub ty: u16,
|
|
pub tw: u16,
|
|
pub th: u16,
|
|
pub toffsetx: i16,
|
|
pub toffsety: i16,
|
|
pub tatlas: i16,
|
|
pub r: u8,
|
|
pub g: u8,
|
|
pub b: u8,
|
|
pub block_light: u16,
|
|
pub sky_light: u16,
|
|
}
|
|
|
|
impl BlockVertex {
|
|
const fn base(x: f32, y: f32, z: f32, tx: i16, ty: i16) -> BlockVertex {
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BlockVertex {
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x: x, y: y, z: z,
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tx: 0, ty: 0, tw: 0, th: 0,
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toffsetx: tx, toffsety: ty, tatlas: 0,
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r: 0, g: 0, b: 0,
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block_light: 0, sky_light: 0,
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}
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}
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pub fn write<W: Write>(&self, w: &mut W) {
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let _ = w.write_f32::<NativeEndian>(self.x);
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let _ = w.write_f32::<NativeEndian>(self.y);
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let _ = w.write_f32::<NativeEndian>(self.z);
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let _ = w.write_u16::<NativeEndian>(self.tx);
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let _ = w.write_u16::<NativeEndian>(self.ty);
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let _ = w.write_u16::<NativeEndian>(self.tw);
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let _ = w.write_u16::<NativeEndian>(self.th);
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|
let _ = w.write_i16::<NativeEndian>(self.toffsetx);
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|
let _ = w.write_i16::<NativeEndian>(self.toffsety);
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|
let _ = w.write_i16::<NativeEndian>(self.tatlas);
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|
let _ = w.write_i16::<NativeEndian>(0);
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|
let _ = w.write_u8(self.r);
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|
let _ = w.write_u8(self.g);
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|
let _ = w.write_u8(self.b);
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|
let _ = w.write_u8(255);
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|
let _ = w.write_u16::<NativeEndian>(self.block_light);
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|
let _ = w.write_u16::<NativeEndian>(self.sky_light);
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|
let _ = w.write_u16::<NativeEndian>(0);
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|
let _ = w.write_u16::<NativeEndian>(0);
|
|
}
|
|
}
|