there is a map

Cargo.lock

@@ -2354,6 +2354,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "matrixmultiply"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9380b911e3e96d10c1f415da0876389aaf1b56759054eeb0de7df940c456ba1a"
+dependencies = [
+ "autocfg",
+ "rawpointer",
+]
+
 [[package]]
 name = "maybe-rayon"
 version = "0.1.1"
@@ -2460,6 +2470,33 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "nalgebra"
+version = "0.33.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26aecdf64b707efd1310e3544d709c5c0ac61c13756046aaaba41be5c4f66a3b"
+dependencies = [
+ "approx",
+ "matrixmultiply",
+ "num-complex",
+ "num-rational",
+ "num-traits",
+ "simba",
+ "typenum",
+]
+
+[[package]]
+name = "nalgebra-glm"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e441f43bccdf40cb6bd4294321e6983c5bc7b9886112d19fd4c9813976b117e4"
+dependencies = [
+ "approx",
+ "nalgebra",
+ "num-traits",
+ "simba",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.12"
@@ -2577,6 +2614,15 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-complex"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73f88a1307638156682bada9d7604135552957b7818057dcef22705b4d509495"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -3267,6 +3313,12 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
+[[package]]
+name = "rawpointer"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
+
 [[package]]
 name = "rayon"
 version = "1.10.0"
@@ -3497,6 +3549,15 @@ version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
+[[package]]
+name = "safe_arch"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96b02de82ddbe1b636e6170c21be622223aea188ef2e139be0a5b219ec215323"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -3668,6 +3729,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simba"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3a386a501cd104797982c15ae17aafe8b9261315b5d07e3ec803f2ea26be0fa"
+dependencies = [
+ "approx",
+ "num-complex",
+ "num-traits",
+ "paste",
+ "wide",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.7"
@@ -4721,6 +4795,16 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "wide"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41b5576b9a81633f3e8df296ce0063042a73507636cbe956c61133dd7034ab22"
+dependencies = [
+ "bytemuck",
+ "safe_arch",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -5114,6 +5198,7 @@ dependencies = [
  "ehttp",
  "glow",
  "image",
+ "nalgebra-glm",
  "poll-promise",
  "tracing",
  "tracing-subscriber",

crates/client/Cargo.toml

@@ -14,6 +14,7 @@ poll-promise = "0.3"
 ehttp = "0.5"
 image = "0.25"
 bytemuck = "1.22"
+nalgebra-glm = "0.19"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 tracing-web = "0.1"

crates/client/dist/index.html

@@ -94,7 +94,7 @@
             }
         }
     </style>
-<link rel="modulepreload" href="/wxbox-client-b2e1a3e7de3c6850.js" crossorigin="anonymous" integrity="sha384-nDqexAJ4zOC1UgJKvlu7tZO/Xu13qGp8nhmNPBCjCZhoWJ2FIphBbxmj+dwXs9Uw"><link rel="preload" href="/wxbox-client-b2e1a3e7de3c6850_bg.wasm" crossorigin="anonymous" integrity="sha384-Qv6lJAdZwj0oPiGat7p3dWQwZr1TtBEsq1J/pIPFPRI4IcAQ2r5ulP2rCVt+eFeN" as="fetch" type="application/wasm"></head>
+<link rel="modulepreload" href="/wxbox-client-f7fb5fe8b7aea995.js" crossorigin="anonymous" integrity="sha384-wkhAe67T8C73+DmlG8JEq34RPAIiO8Jf+d3BH/nrBQ1b1NjMqo8csITaVtpbPBwV"><link rel="preload" href="/wxbox-client-f7fb5fe8b7aea995_bg.wasm" crossorigin="anonymous" integrity="sha384-S4pqZqxf4w0VeQcOCwl5kVOUPKF32nnmgmF2zfXPZumbEf5Gr524gAl4j0hlT2/K" as="fetch" type="application/wasm"></head>
 
 <body>
 <!-- The WASM code will resize the canvas dynamically -->
@@ -111,8 +111,8 @@
 
 
 <script type="module">
-import init, * as bindings from '/wxbox-client-b2e1a3e7de3c6850.js';
+import init, * as bindings from '/wxbox-client-f7fb5fe8b7aea995.js';
-const wasm = await init({ module_or_path: '/wxbox-client-b2e1a3e7de3c6850_bg.wasm' });
+const wasm = await init({ module_or_path: '/wxbox-client-f7fb5fe8b7aea995_bg.wasm' });
 
 
 window.wasmBindings = bindings;

crates/client/dist/wxbox-client-f7fb5fe8b7aea995.js

@@ -102,6 +102,20 @@ function getDataViewMemory0() {
     return cachedDataViewMemory0;
 }
 
+let cachedFloat32ArrayMemory0 = null;
+
+function getFloat32ArrayMemory0() {
+    if (cachedFloat32ArrayMemory0 === null || cachedFloat32ArrayMemory0.byteLength === 0) {
+        cachedFloat32ArrayMemory0 = new Float32Array(wasm.memory.buffer);
+    }
+    return cachedFloat32ArrayMemory0;
+}
+
+function getArrayF32FromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return getFloat32ArrayMemory0().subarray(ptr / 4, ptr / 4 + len);
+}
+
 const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
     ? { register: () => {}, unregister: () => {} }
     : new FinalizationRegistry(state => {
@@ -198,7 +212,7 @@ function debugString(val) {
     return className;
 }
 function __wbg_adapter_32(arg0, arg1, arg2) {
-    wasm.closure1003_externref_shim(arg0, arg1, arg2);
+    wasm.closure1007_externref_shim(arg0, arg1, arg2);
 }
 
 function takeFromExternrefTable0(idx) {
@@ -214,7 +228,7 @@ function __wbg_adapter_35(arg0, arg1) {
 }
 
 function __wbg_adapter_40(arg0, arg1, arg2) {
-    wasm.closure1689_externref_shim(arg0, arg1, arg2);
+    wasm.closure1693_externref_shim(arg0, arg1, arg2);
 }
 
 /**
@@ -1534,6 +1548,12 @@ function __wbg_get_imports() {
     imports.wbg.__wbg_uniform2f_8174f619e86c3ba2 = function(arg0, arg1, arg2, arg3) {
         arg0.uniform2f(arg1, arg2, arg3);
     };
+    imports.wbg.__wbg_uniformMatrix4fv_b684a40949b2ff0b = function(arg0, arg1, arg2, arg3, arg4) {
+        arg0.uniformMatrix4fv(arg1, arg2 !== 0, getArrayF32FromWasm0(arg3, arg4));
+    };
+    imports.wbg.__wbg_uniformMatrix4fv_fa5c91b7cee9bfd5 = function(arg0, arg1, arg2, arg3, arg4) {
+        arg0.uniformMatrix4fv(arg1, arg2 !== 0, getArrayF32FromWasm0(arg3, arg4));
+    };
     imports.wbg.__wbg_url_5327bc0a41a9b085 = function(arg0, arg1) {
         const ret = arg1.url;
         const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@@ -1613,20 +1633,20 @@ function __wbg_get_imports() {
         const ret = false;
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3632 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper3642 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1004, __wbg_adapter_32);
+        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_32);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3634 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper3644 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1004, __wbg_adapter_35);
+        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_35);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3636 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper3646 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1004, __wbg_adapter_32);
+        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_32);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper6213 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper6223 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1690, __wbg_adapter_40);
+        const ret = makeMutClosure(arg0, arg1, 1694, __wbg_adapter_40);
         return ret;
     };
     imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
@@ -1700,6 +1720,7 @@ function __wbg_finalize_init(instance, module) {
     wasm = instance.exports;
     __wbg_init.__wbindgen_wasm_module = module;
     cachedDataViewMemory0 = null;
+    cachedFloat32ArrayMemory0 = null;
     cachedUint8ArrayMemory0 = null;
 
 

crates/client/src/map.rs

@@ -11,7 +11,7 @@ use poll_promise::Promise;
 use tracing::{debug, warn};
 use crate::map::osm::OSMBaselayer;
 use crate::map::render::{ExtraRenderOptions, MapRender};
-use crate::map::tiles::{LayerManager, LayerSource, Tile};
+use crate::map::tiles::{LayerId, LayerManager, LayerSource, Tile, XCoord, YCoord, ZoomLevel};
 
 pub struct Map {
     pub layer_manager: LayerManager,
@@ -57,8 +57,8 @@ impl Map {
             })
         } else { 0.0 };
 
-        self.lat += xy_delta.y as f64 * 0.001;
+        self.lat += xy_delta.y as f64 * 0.0005;
-        self.long += xy_delta.x as f64 * 0.001;
+        self.long -= xy_delta.x as f64 * 0.0005;
         self.zoom += z_delta as f64 * 0.01;
         if self.zoom < 3.0 { self.zoom = 3.0 };
         if self.zoom > 19.0 { self.zoom = 19.0 };
@@ -104,24 +104,14 @@ impl Map {
 
 
         // for each tile, determine pixel coordinates, then offset by the tile fractionals
-        for x in 0..tiles_x {
+        for x in 0..=tiles_x+2 {
             let tile_x = tilex + x;
-            for y in 0..tiles_y {
+            for y in 0..=tiles_y+2 {
                 let tile_y = tiley + y;
-                let start_pixel_x = x as isize * 256 - x_tile_frac as isize;
-                let start_pixel_y = y as isize * 256 - y_tile_frac as isize;
-                let end_pixel_x = start_pixel_x + 256 - x_tile_frac as isize;
-                let end_pixel_y = start_pixel_y + 256 -y_tile_frac as isize;
 
-                let startx_zerotoone = start_pixel_x as f64 / viewport_width as f64;
+                let pixel_x = 512_f32 * x as f32 - (2.0*x_tile_frac as f32);
-                let starty_zerotoone = start_pixel_y as f64 / viewport_height as f64;
+                let pixel_y = (-512_f32 * y as f32) + (2.0*y_tile_frac as f32);
-                let endx_zerotoone = end_pixel_x as f64 / viewport_width as f64;
-                let endy_zerotoone = end_pixel_y as f64 / viewport_height as f64;
 
-                let startx_opengl = startx_zerotoone * 2.0 - 1.0;
-                let starty_opengl = starty_zerotoone * 2.0 - 1.0;
-                let endx_opengl = endx_zerotoone * 2.0 - 1.0;
-                let endy_opengl = endy_zerotoone * 2.0 - 1.0;
 
                 // download the tile
                 let tile = self.layer_manager.tiles.entry((z_clamped as usize, tile_x, tile_y, OSMBaselayer::SOURCE_ID))
@@ -151,14 +141,9 @@ impl Map {
                     });
 
                 tiles.push(TilesetTile {
-                    sp_x: start_pixel_x as f32,
+                    tileid: (z_clamped as usize, tile_x, tile_y, OSMBaselayer::SOURCE_ID),
-                    sp_xclip: startx_opengl as f32,
+                    x: pixel_x,
-                    sp_y: start_pixel_y as f32,
+                    y: pixel_y,
-                    sp_yclip: starty_opengl as f32,
-                    ep_x: end_pixel_x as f32,
-                    ep_xclip: endy_opengl as f32,
-                    ep_y: end_pixel_y as f32,
-                    ep_yclip: endy_opengl as f32,
                     tile: match tile.promise.ready() {
                         None => None,
                         Some(r) => match r {
@@ -184,9 +169,11 @@ impl Map {
         let tileset = self.load_tiles(ctx, rect.width() as usize, rect.height() as usize);
         let render = self.render.clone();
         let options = self.options;
+        let width = rect.width();
+        let height = rect.height();
         let cb = egui_glow::CallbackFn::new(move |_info, painter| {
             let tileset = tileset.clone();
-            render.lock().unwrap().paint(painter.gl(), tileset, options);
+            render.lock().unwrap().paint(painter.gl(), width, height, tileset, options);
         });
         ui.painter().add(egui::PaintCallback {
             rect,
@@ -201,14 +188,9 @@ struct Tileset {
 }
 #[derive(Clone)]
 struct TilesetTile {
-    sp_x: f32,
+    tileid: (ZoomLevel, XCoord, YCoord, LayerId),
-    sp_xclip: f32,
+    x: f32,
-    sp_y: f32,
+    y: f32,
-    sp_yclip: f32,
-    ep_x: f32,
-    ep_xclip: f32,
-    ep_y: f32,
-    ep_yclip: f32,
     tile: Option<DynamicImage>
 }
 

crates/client/src/map/render.rs

@@ -1,8 +1,11 @@
+use std::collections::hash_map::Entry;
+use std::collections::HashMap;
 use std::io::Cursor;
 use std::mem;
 use glow::{Buffer, HasContext, PixelUnpackData, Program, Texture, VertexArray};
 use image::{DynamicImage, EncodableLayout, ImageReader};
 use tracing::{debug, error, warn};
+use crate::map::tiles::{LayerId, XCoord, YCoord, ZoomLevel};
 use crate::map::Tileset;
 
 pub struct MapRender {
@@ -11,6 +14,7 @@ pub struct MapRender {
     ebo: Buffer,
     shader_program: Program,
     test_texture: Texture,
+    texture_cache: HashMap<(ZoomLevel, XCoord, YCoord, LayerId), Texture>
 }
 
 #[allow(unsafe_code)]
@@ -98,6 +102,7 @@ impl MapRender {
                 vao,
                 ebo,
                 test_texture,
+                texture_cache: HashMap::new()
             })
         }
     }
@@ -111,17 +116,15 @@ impl MapRender {
         }
     }
 
-    pub fn paint(&self, gl: &glow::Context, tileset: Tileset, options: ExtraRenderOptions) {
+    pub fn paint(&mut self, gl: &glow::Context, width: f32, height: f32, tileset: Tileset, options: ExtraRenderOptions) {
         use glow::HasContext as _;
 
-
-
         let verticies: &[f32] = &[
             // X     Y     Z     S     T
-               0.5,  0.5,  0.0,  1.0,  1.0, // top right
+               1.0,  1.0,  0.0,  1.0,  1.0, // top right
-               0.5, -0.5,  0.0,  1.0,  0.0, // bottom right
+               1.0, -1.0,  0.0,  1.0,  0.0, // bottom right
-              -0.5, -0.5,  0.0,  0.0,  0.0, // bottom left
+              -1.0, -1.0,  0.0,  0.0,  0.0, // bottom left
-              -0.5,  0.5,  0.0,  0.0,  1.0, // top left
+              -1.0,  1.0,  0.0,  0.0,  1.0, // top left
         ];
         let indicies: &[u32] = &[
             0, 1, 3,
@@ -132,6 +135,40 @@ impl MapRender {
             gl.clear_color(0.5, 0.1, 0.1, 1.0);
             gl.clear(glow::COLOR_BUFFER_BIT);
 
+            let lock = tileset.tiles.lock().unwrap();
+            for tile in lock.iter() {
+                let this_tile_img_data = &tile.tile;
+                let texture_cache_img_data = self.texture_cache.entry(tile.tileid);
+                if let Entry::Vacant(_) = texture_cache_img_data { if this_tile_img_data.is_none() { continue; } } // nothing to render yet
+
+                let texture = texture_cache_img_data
+                    .or_insert_with(|| {
+                        let img = this_tile_img_data.as_ref().unwrap();
+                        let img_rgb8 = img.flipv().into_rgb8();
+                        let w = img_rgb8.width();
+                        let h = img_rgb8.height();
+                        let raw = img_rgb8.into_raw();
+                        let texture = gl.create_texture().unwrap();
+                        gl.bind_texture(glow::TEXTURE_2D, Some(texture));
+                        gl.tex_parameter_i32(glow::TEXTURE_2D, glow::TEXTURE_WRAP_S, glow::REPEAT as i32);
+                        gl.tex_parameter_i32(glow::TEXTURE_2D, glow::TEXTURE_WRAP_T, glow::REPEAT as i32);
+                        gl.tex_parameter_i32(glow::TEXTURE_2D, glow::TEXTURE_MAG_FILTER, glow::NEAREST as i32);
+                        gl.tex_parameter_i32(glow::TEXTURE_2D, glow::TEXTURE_MIN_FILTER, glow::NEAREST as i32);
+                        gl.tex_image_2d(
+                            glow::TEXTURE_2D,
+                            0,
+                            glow::RGB as i32,
+                            w as i32,
+                            h as i32,
+                            0,
+                            glow::RGB,
+                            glow::UNSIGNED_BYTE,
+                            PixelUnpackData::Slice(Some(&raw)),
+                        );
+                        gl.generate_mipmap(glow::TEXTURE_2D);
+                        texture
+                    });
+
                 gl.bind_vertex_array(Some(self.vao));
 
                 gl.bind_buffer(glow::ARRAY_BUFFER, Some(self.vbo));
@@ -145,17 +182,42 @@ impl MapRender {
 
                 gl.enable_vertex_attrib_array(0);
                 gl.enable_vertex_attrib_array(1);
+
                 gl.use_program(Some(self.shader_program));
 
+                debug!("{} {}", tile.x, tile.y);
+
+                let w = 256.0_f32;
+                let h = 256.0_f32;
+                let x = (tile.x + w) / width - 1.0;
+                let y = (tile.y - h) / width + 1.0;
+
+                let transform = nalgebra_glm::translate(&nalgebra_glm::Mat4::identity(), &nalgebra_glm::vec3(x, y, 0.0));
+
+                let width = w / width;
+                let height = h / height;
+
+                let transform = nalgebra_glm::scale(&transform, &nalgebra_glm::vec3(width, height, 1.0));
+
+                // screenspace-ify:
+                // map to 0 to 1 space
+
+                gl.uniform_matrix_4_f32_slice(
+                    gl.get_uniform_location(self.shader_program, "transform").as_ref(),
+                    false,
+                    (&transform).into(),
+                );
 
                 gl.active_texture(glow::TEXTURE0);
-            gl.bind_texture(glow::TEXTURE_2D, Some(self.test_texture));
+
+                gl.bind_texture(glow::TEXTURE_2D, Some(*texture));
 
                 gl.bind_vertex_array(Some(self.vao));
                 gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, Some(self.ebo));
 
 
                 gl.draw_elements(glow::TRIANGLES, 6, glow::UNSIGNED_INT, 0);
+            }
 
         }
     }

crates/client/src/map/vertex.glsl

@@ -4,7 +4,9 @@ layout (location = 1) in vec2 aTexCoord;
 
 out vec2 texCoord;
 
+uniform mat4 transform;
+
 void main() {
-    gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);
+    gl_Position = transform * vec4(aPos, 1.0f);
-    texCoord = aTexCoord;
+    texCoord = vec2(aTexCoord.x, aTexCoord.y);
 }