536 lines
14 KiB
Rust
536 lines
14 KiB
Rust
|
|
|
|
mod atlas;
|
|
pub mod glsl;
|
|
pub mod ui;
|
|
mod shaders;
|
|
|
|
use std::collections::HashMap;
|
|
use std::sync::{Arc, RwLock};
|
|
use resources;
|
|
use gl;
|
|
use image;
|
|
use image::{GenericImage};
|
|
use byteorder::{WriteBytesExt, NativeEndian};
|
|
use serde_json;
|
|
|
|
const ATLAS_SIZE: usize = 1024;
|
|
|
|
pub struct Renderer {
|
|
resource_version: usize,
|
|
resources: Arc<RwLock<resources::Manager>>,
|
|
textures: Arc<RwLock<TextureManager>>,
|
|
glsl: glsl::Registry,
|
|
ui: ui::UIState,
|
|
|
|
gl_texture: gl::Texture,
|
|
texture_layers: usize,
|
|
|
|
last_width: u32,
|
|
last_height: u32,
|
|
|
|
temp_rot: f64,
|
|
}
|
|
|
|
impl Renderer {
|
|
pub fn new(res: Arc<RwLock<resources::Manager>>) -> Renderer {
|
|
let version = { res.read().unwrap().version() };
|
|
let tex = gl::Texture::new();
|
|
tex.bind(gl::TEXTURE_2D_ARRAY);
|
|
tex.image_3d(gl::TEXTURE_2D_ARRAY, 0, ATLAS_SIZE as u32, ATLAS_SIZE as u32, 1, gl::RGBA, gl::UNSIGNED_BYTE, &[0; ATLAS_SIZE*ATLAS_SIZE*1*4]);
|
|
tex.set_parameter(gl::TEXTURE_2D_ARRAY, gl::TEXTURE_MAG_FILTER, gl::NEAREST);
|
|
tex.set_parameter(gl::TEXTURE_2D_ARRAY, gl::TEXTURE_MIN_FILTER, gl::NEAREST);
|
|
tex.set_parameter(gl::TEXTURE_2D_ARRAY, gl::TEXTURE_WRAP_S, gl::CLAMP_TO_EDGE);
|
|
tex.set_parameter(gl::TEXTURE_2D_ARRAY, gl::TEXTURE_WRAP_T, gl::CLAMP_TO_EDGE);
|
|
|
|
let textures = Arc::new(RwLock::new(TextureManager::new(res.clone())));
|
|
|
|
let mut greg = glsl::Registry::new();
|
|
shaders::add_shaders(&mut greg);
|
|
let ui = ui::UIState::new(&greg, textures.clone(), res.clone());
|
|
|
|
Renderer {
|
|
resource_version: version,
|
|
textures: textures,
|
|
glsl: greg,
|
|
ui: ui,
|
|
resources: res,
|
|
gl_texture: tex,
|
|
texture_layers: 1,
|
|
last_width: 0,
|
|
last_height: 0,
|
|
|
|
temp_rot: 0.0,
|
|
}
|
|
}
|
|
|
|
pub fn tick(&mut self, delta: f64, width: u32, height: u32) {
|
|
{
|
|
let rm = self.resources.read().unwrap();
|
|
if rm.version() != self.resource_version {
|
|
self.resource_version = rm.version();
|
|
println!("Updating textures to {}", self.resource_version);
|
|
self.textures.write().unwrap().update_textures(self.resource_version);
|
|
}
|
|
}
|
|
|
|
self.update_textures(delta);
|
|
|
|
if self.last_height != height || self.last_width != width {
|
|
self.last_width = width;
|
|
self.last_height = height;
|
|
gl::viewport(0, 0, width as i32, height as i32);
|
|
}
|
|
|
|
gl::active_texture(0);
|
|
self.gl_texture.bind(gl::TEXTURE_2D_ARRAY);
|
|
|
|
gl::clear_color(14.0/255.0, 48.0/255.0, 92.0/255.0, 1.0);
|
|
gl::clear(gl::ClearFlags::Color | gl::ClearFlags::Depth);
|
|
|
|
let test = self.ui.new_text("Hello world", 10.0, 10.0, 255, 255, 255);
|
|
let data = test.bytes(width as f64, height as f64);
|
|
self.ui.add_bytes(&data);
|
|
|
|
let test = self.ui.new_text("Font rendering is complete! (ish)", 10.0, 30.0, 0, 255, 0);
|
|
let data = test.bytes(width as f64, height as f64);
|
|
self.ui.add_bytes(&data);
|
|
|
|
self.temp_rot += delta * 0.05;
|
|
let test = self.ui.new_text_rotated("Yay! Progress!", 150.0, 150.0, 1.0, 1.0, self.temp_rot, 255, 0, 0);
|
|
let data = test.bytes(width as f64, height as f64);
|
|
self.ui.add_bytes(&data);
|
|
|
|
self.ui.tick(width, height);
|
|
}
|
|
|
|
fn update_textures(&mut self, delta: f64) {
|
|
self.gl_texture.bind(gl::TEXTURE_2D_ARRAY);
|
|
let len = {
|
|
let tex = self.textures.read().unwrap();
|
|
if self.texture_layers != tex.atlases.len() {
|
|
let len = ATLAS_SIZE*ATLAS_SIZE*4*tex.atlases.len();
|
|
let mut data = Vec::with_capacity(len);
|
|
unsafe { data.set_len(len); }
|
|
self.gl_texture.get_pixels(gl::TEXTURE_2D_ARRAY, 0, gl::RGBA, gl::UNSIGNED_BYTE, &mut data[..]);
|
|
self.gl_texture.image_3d(gl::TEXTURE_2D_ARRAY, 0, ATLAS_SIZE as u32, ATLAS_SIZE as u32, tex.atlases.len() as u32, gl::RGBA, gl::UNSIGNED_BYTE, &data[..]);
|
|
self.texture_layers = tex.atlases.len();
|
|
}
|
|
tex.pending_uploads.len()
|
|
};
|
|
if len > 0 {
|
|
let mut tex = self.textures.write().unwrap();
|
|
for upload in &tex.pending_uploads {
|
|
let atlas = upload.0;
|
|
let rect = upload.1;
|
|
let img = &upload.2;
|
|
self.gl_texture.sub_image_3d(gl::TEXTURE_2D_ARRAY, 0, rect.x as u32, rect.y as u32, atlas as u32, rect.width as u32, rect.height as u32, 1, gl::RGBA, gl::UNSIGNED_BYTE, &img[..]);
|
|
}
|
|
tex.pending_uploads.clear();
|
|
}
|
|
|
|
for ani in self.textures.write().unwrap().animated_textures.iter_mut() {
|
|
if ani.remaining_time <= 0.0 {
|
|
ani.current_frame = (ani.current_frame + 1) % ani.frames.len();
|
|
ani.remaining_time += ani.frames[ani.current_frame].time as f64;
|
|
let offset = ani.texture.width * ani.texture.width * ani.frames[ani.current_frame].index * 4;
|
|
let offset2 = offset + ani.texture.width * ani.texture.width * 4;
|
|
self.gl_texture.sub_image_3d(gl::TEXTURE_2D_ARRAY,
|
|
0,
|
|
ani.texture.get_x() as u32, ani.texture.get_y() as u32, ani.texture.atlas as u32,
|
|
ani.texture.get_width() as u32, ani.texture.get_height() as u32, 1,
|
|
gl::RGBA, gl::UNSIGNED_BYTE,
|
|
&ani.data[offset .. offset2]
|
|
);
|
|
} else {
|
|
ani.remaining_time -= delta / 3.0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
pub fn get_textures(&self) -> Arc<RwLock<TextureManager>> {
|
|
self.textures.clone()
|
|
}
|
|
|
|
pub fn get_textures_ref(&self) -> &RwLock<TextureManager> {
|
|
&self.textures
|
|
}
|
|
|
|
pub fn check_texture(&self, tex: Texture) -> Texture {
|
|
if tex.version == self.resource_version {
|
|
tex
|
|
} else {
|
|
let mut new = Renderer::get_texture(&self.textures, &tex.name);
|
|
new.rel_x = tex.rel_x;
|
|
new.rel_y = tex.rel_y;
|
|
new.rel_width = tex.rel_width;
|
|
new.rel_height = tex.rel_height;
|
|
new.is_rel = tex.is_rel;
|
|
new
|
|
}
|
|
}
|
|
|
|
pub fn get_texture(textures: &RwLock<TextureManager>, name: &str) -> Texture {
|
|
let tex = { textures.read().unwrap().get_texture(name) };
|
|
match tex {
|
|
Some(val) => val,
|
|
None => {
|
|
let mut t = textures.write().unwrap();
|
|
// Make sure it hasn't already been loaded since we switched
|
|
// locks.
|
|
if let Some(val) = t.get_texture(name) {
|
|
val
|
|
} else {
|
|
t.load_texture(name);
|
|
t.get_texture(name).unwrap()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct TextureManager {
|
|
textures: HashMap<String, Texture>,
|
|
version: usize,
|
|
resources: Arc<RwLock<resources::Manager>>,
|
|
atlases: Vec<atlas::Atlas>,
|
|
|
|
animated_textures: Vec<AnimatedTexture>,
|
|
pending_uploads: Vec<(i32, atlas::Rect, Vec<u8>)>,
|
|
}
|
|
|
|
impl TextureManager {
|
|
fn new(res: Arc<RwLock<resources::Manager>>) -> TextureManager {
|
|
let mut tm = TextureManager {
|
|
textures: HashMap::new(),
|
|
version: 0xFFFF,
|
|
resources: res,
|
|
atlases: Vec::new(),
|
|
animated_textures: Vec::new(),
|
|
pending_uploads: Vec::new(),
|
|
};
|
|
tm.add_defaults();
|
|
tm
|
|
}
|
|
|
|
fn add_defaults(&mut self) {
|
|
self.put_texture("steven", "missing_texture", 2, 2, vec![
|
|
0, 0, 0, 255,
|
|
255, 0, 255, 255,
|
|
255, 0, 255, 255,
|
|
0, 0, 0, 255,
|
|
]);
|
|
self.put_texture("steven", "solid", 1, 1, vec![
|
|
255, 255, 255, 255,
|
|
]);
|
|
}
|
|
|
|
fn update_textures(&mut self, version: usize) {
|
|
self.pending_uploads.clear();
|
|
self.atlases.clear();
|
|
self.animated_textures.clear();
|
|
self.version = version;
|
|
let map = self.textures.clone();
|
|
self.textures.clear();
|
|
|
|
self.add_defaults();
|
|
|
|
for name in map.keys() {
|
|
self.load_texture(name);
|
|
}
|
|
}
|
|
|
|
fn get_texture(&self, name: &str) -> Option<Texture> {
|
|
self.textures.get(name).map(|v| v.clone())
|
|
}
|
|
|
|
// TODO: Animated textures
|
|
|
|
fn load_texture(&mut self, name: &str) {
|
|
let (plugin, name) = if let Some(pos) = name.find(':') {
|
|
(&name[..pos], &name[pos+1..])
|
|
} else {
|
|
("minecraft", name)
|
|
};
|
|
let path = format!("textures/{}.png", name);
|
|
let res = self.resources.clone();
|
|
if let Some(mut val) = res.read().unwrap().open(plugin, &path) {
|
|
let mut data = Vec::new();
|
|
val.read_to_end(&mut data).unwrap();
|
|
if let Ok(img) = image::load_from_memory(&data) {
|
|
let (width, height) = img.dimensions();
|
|
// Might be animated
|
|
if (name.starts_with("blocks/") || name.starts_with("items/")) && width != height {
|
|
let id = img.to_rgba().into_vec();
|
|
let frame = id[
|
|
.. (width*width*4) as usize
|
|
].to_owned();
|
|
if let Some(mut ani) = self.load_animation(plugin, name, &img, id) {
|
|
ani.texture = self.put_texture(plugin, name, width, width, frame);
|
|
self.animated_textures.push(ani);
|
|
return;
|
|
}
|
|
}
|
|
self.put_texture(plugin, name, width, height, img.to_rgba().into_vec());
|
|
return;
|
|
}
|
|
}
|
|
self.insert_texture_dummy(name);
|
|
}
|
|
|
|
fn load_animation(&mut self, plugin: &str, name: &str, img: &image::DynamicImage, data: Vec<u8>) -> Option<AnimatedTexture> {
|
|
let path = format!("textures/{}.png.mcmeta", name);
|
|
let res = self.resources.clone();
|
|
if let Some(val) = res.read().unwrap().open(plugin, &path) {
|
|
let meta: serde_json::Value = serde_json::from_reader(val).unwrap();
|
|
let animation = meta.find("animation").unwrap();
|
|
let frame_time = animation.find("frameTime").and_then(|v| v.as_i64()).unwrap_or(1);
|
|
let interpolate = animation.find("interpolate").and_then(|v| v.as_boolean()).unwrap_or(false);
|
|
let frames = if let Some(frames) = animation.find("frames").and_then(|v| v.as_array()) {
|
|
let mut out = Vec::with_capacity(frames.len());
|
|
for frame in frames {
|
|
if let Some(index) = frame.as_i64() {
|
|
out.push(AnimationFrame{
|
|
index: index as usize,
|
|
time: frame_time,
|
|
})
|
|
} else {
|
|
out.push(AnimationFrame{
|
|
index: frame.find("index").unwrap().as_i64().unwrap() as usize,
|
|
time: frame_time * frame.find("frameTime").unwrap().as_i64().unwrap(),
|
|
})
|
|
}
|
|
}
|
|
out
|
|
} else {
|
|
let (width, height) = img.dimensions();
|
|
let count = height / width;
|
|
let mut frames = Vec::with_capacity(count as usize);
|
|
for i in 0 .. count {
|
|
frames.push(AnimationFrame{
|
|
index: i as usize,
|
|
time: frame_time,
|
|
})
|
|
}
|
|
frames
|
|
};
|
|
|
|
return Some(AnimatedTexture{
|
|
frames: frames,
|
|
data: data,
|
|
interpolate: interpolate,
|
|
current_frame: 0,
|
|
remaining_time: 0.0,
|
|
texture: self.get_texture("steven:missing_texture").unwrap(),
|
|
});
|
|
}
|
|
None
|
|
}
|
|
|
|
fn put_texture(&mut self, plugin: &str, name: &str, width: u32, height: u32, data: Vec<u8>) -> Texture {
|
|
let (atlas, rect) = self.find_free(width as usize, height as usize);
|
|
self.pending_uploads.push((atlas, rect, data));
|
|
|
|
let mut full_name = String::new();
|
|
if plugin != "minecraft" {
|
|
full_name.push_str(plugin);
|
|
full_name.push_str(":");
|
|
}
|
|
full_name.push_str(name);
|
|
|
|
let tex = Texture {
|
|
name: full_name.clone(),
|
|
version: self.version,
|
|
atlas: atlas,
|
|
x: rect.x,
|
|
y: rect.y,
|
|
width: rect.width,
|
|
height: rect.height,
|
|
rel_x: 0.0,
|
|
rel_y: 0.0,
|
|
rel_width: 1.0,
|
|
rel_height: 1.0,
|
|
is_rel: false,
|
|
};
|
|
self.textures.insert(full_name, tex.clone());
|
|
tex
|
|
}
|
|
|
|
fn find_free(&mut self, width: usize, height: usize) -> (i32, atlas::Rect) {
|
|
let mut index = 0;
|
|
for atlas in self.atlases.iter_mut() {
|
|
if let Some(rect) = atlas.add(width, height) {
|
|
return (index, rect);
|
|
}
|
|
index += 1;
|
|
}
|
|
let mut atlas = atlas::Atlas::new(ATLAS_SIZE, ATLAS_SIZE);
|
|
let rect = atlas.add(width, height);
|
|
self.atlases.push(atlas);
|
|
(index, rect.unwrap())
|
|
}
|
|
|
|
fn insert_texture_dummy(&mut self, name: &str) -> Texture {
|
|
let missing = self.get_texture("steven:missing_texture").unwrap();
|
|
let t = Texture {
|
|
name: name.to_owned(),
|
|
version: self.version,
|
|
atlas: missing.atlas,
|
|
x: missing.x,
|
|
y: missing.y,
|
|
width: missing.width,
|
|
height: missing.height,
|
|
rel_x: 0.0,
|
|
rel_y: 0.0,
|
|
rel_width: 1.0,
|
|
rel_height: 1.0,
|
|
is_rel: false,
|
|
};
|
|
self.textures.insert(name.to_owned(), t.clone());
|
|
t
|
|
}
|
|
}
|
|
|
|
struct AnimatedTexture {
|
|
frames: Vec<AnimationFrame>,
|
|
data: Vec<u8>,
|
|
interpolate: bool,
|
|
current_frame: usize,
|
|
remaining_time: f64,
|
|
texture: Texture,
|
|
}
|
|
|
|
struct AnimationFrame {
|
|
index: usize,
|
|
time: i64,
|
|
}
|
|
|
|
#[derive(Clone, Debug)]
|
|
pub struct Texture {
|
|
name: String,
|
|
version: usize,
|
|
pub atlas: i32,
|
|
x: usize,
|
|
y: usize,
|
|
width: usize,
|
|
height: usize,
|
|
is_rel: bool, // Save some cycles for none relative textures
|
|
rel_x: f32,
|
|
rel_y: f32,
|
|
rel_width: f32,
|
|
rel_height: f32,
|
|
}
|
|
|
|
impl Texture {
|
|
pub fn get_x(&self) -> usize {
|
|
if self.is_rel {
|
|
self.x + ((self.width as f32) * self.rel_x) as usize
|
|
} else {
|
|
self.x
|
|
}
|
|
}
|
|
|
|
pub fn get_y(&self) -> usize {
|
|
if self.is_rel {
|
|
self.y + ((self.height as f32) * self.rel_y) as usize
|
|
} else {
|
|
self.y
|
|
}
|
|
}
|
|
|
|
pub fn get_width(&self) -> usize {
|
|
if self.is_rel {
|
|
((self.width as f32) * self.rel_width) as usize
|
|
} else {
|
|
self.width
|
|
}
|
|
}
|
|
|
|
pub fn get_height(&self) -> usize {
|
|
if self.is_rel {
|
|
((self.height as f32) * self.rel_height) as usize
|
|
} else {
|
|
self.height
|
|
}
|
|
}
|
|
|
|
pub fn relative(&self, x: f32, y: f32, width: f32, height: f32) -> Texture {
|
|
Texture {
|
|
name: self.name.clone(),
|
|
version: self.version,
|
|
x: self.x,
|
|
y: self.y,
|
|
atlas: self.atlas,
|
|
width: self.width,
|
|
height: self.height,
|
|
is_rel: true,
|
|
rel_x: self.rel_x + x * self.rel_width,
|
|
rel_y: self.rel_y + y * self.rel_height,
|
|
rel_width: width * self.rel_width,
|
|
rel_height: height * self.rel_height,
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn create_program(vertex: &str, fragment: &str) -> gl::Program {
|
|
let program = gl::Program::new();
|
|
|
|
let v = gl::Shader::new(gl::VERTEX_SHADER);
|
|
v.set_source(vertex);
|
|
v.compile();
|
|
|
|
if v.get_parameter(gl::COMPILE_STATUS) == 0 {
|
|
println!("Src: {}", vertex);
|
|
panic!("Shader error: {}", v.get_info_log());
|
|
} else {
|
|
let log = v.get_info_log();
|
|
if log.len() > 0 {
|
|
println!("{}", log);
|
|
}
|
|
}
|
|
|
|
let f = gl::Shader::new(gl::FRAGMENT_SHADER);
|
|
f.set_source(fragment);
|
|
f.compile();
|
|
|
|
if f.get_parameter(gl::COMPILE_STATUS) == 0 {
|
|
println!("Src: {}", fragment);
|
|
panic!("Shader error: {}", f.get_info_log());
|
|
} else {
|
|
let log = f.get_info_log();
|
|
if log.len() > 0 {
|
|
println!("{}", log);
|
|
}
|
|
}
|
|
|
|
program.attach_shader(v);
|
|
program.attach_shader(f);
|
|
program.link();
|
|
program.use_program();
|
|
program
|
|
}
|
|
|
|
#[allow(unused_must_use)]
|
|
pub fn generate_element_buffer(size: usize) -> (Vec<u8>, gl::Type) {
|
|
let mut ty = gl::UNSIGNED_SHORT;
|
|
let mut data = if (size/6)*4*3 >= u16::max_value() as usize {
|
|
ty = gl::UNSIGNED_INT;
|
|
let data = Vec::with_capacity(size*4);
|
|
data
|
|
} else {
|
|
let data = Vec::with_capacity(size*2);
|
|
data
|
|
};
|
|
for i in 0 .. size/6 {
|
|
for val in &[0, 1, 2, 2, 1, 3] {
|
|
if ty == gl::UNSIGNED_INT {
|
|
data.write_u32::<NativeEndian>((i as u32) * 4 + val);
|
|
} else {
|
|
data.write_u16::<NativeEndian>((i as u16) * 4 + (*val as u16));
|
|
}
|
|
}
|
|
}
|
|
|
|
(data, ty)
|
|
} |