mips

todo:
- fix transitions
- make setting for generate/gen speed
- make server executable
- fix tiling seams for large mips?
- add mip hash checks

Cargo.toml

@@ -191,5 +191,5 @@ deno_websocket = { git = "https://github.com/robtfm/deno", branch = "1_46_hotfix
 # [patch."https://github.com/robtfm/bevy_simple_text_input"]
 # bevy_simple_text_input = { path = "../bevy_simple_text_input" }
 
-[patch."https://github.com/robtfm/boimp"]
-boimp = { path = "../boimp" }
+# [patch."https://github.com/robtfm/boimp"]
+# boimp = { path = "../boimp" }

assets/shaders/bound_material_baker.wgsl

@@ -126,7 +126,7 @@ fn fragment(
         outside_amt = 0.0;
     }
 
-    if outside_amt > 0.00 {
+    if outside_amt > bounds.distance {
         discard;
     }
 

assets/shaders/floor_bake.wgsl

@@ -0,0 +1,22 @@
+#import boimp::shared::{ImposterVertexOut, unpack_pbrinput, pack_pbrinput};
+#import boimp::bindings::sample_tile_material;
+
+@group(2) @binding(100)
+var<uniform> offset: f32;
+
+@fragment
+fn fragment(in: ImposterVertexOut) -> @location(0) vec2<u32> {
+    let inv_rot = mat3x3(
+        in.inverse_rotation_0c,
+        in.inverse_rotation_1c,
+        in.inverse_rotation_2c,
+    );
+
+    var props = sample_tile_material(clamp(in.uv_c, vec2(0.0001), vec2(17.0/18.0 - 0.0001)), vec2(0u,0u), vec2(offset, offset));
+    var pbr_input = unpack_pbrinput(props, in.position);
+    pbr_input.N = inv_rot * normalize(pbr_input.N);
+    pbr_input.world_normal = pbr_input.N;
+
+    // write the imposter gbuffer
+    return pack_pbrinput(pbr_input);
+}

assets/shaders/floor_fragment.wgsl

@@ -7,6 +7,9 @@
 #import boimp::shared::{ImposterVertexOut, unpack_pbrinput};
 #import boimp::bindings::sample_tile_material;
 
+@group(2) @binding(100)
+var<uniform> offset: f32;
+
 @fragment
 fn fragment(in: ImposterVertexOut) -> FragmentOutput {
     var out: FragmentOutput;
@@ -17,11 +20,12 @@ fn fragment(in: ImposterVertexOut) -> FragmentOutput {
         in.inverse_rotation_2c,
     );
 
-    var props = sample_tile_material(in.uv_c, vec2(0u,0u), vec2(-0.5));
+    var props = sample_tile_material(clamp(in.uv_c, vec2(0.0001), vec2(17.0/18.0 - 0.0001)), vec2(0u,0u), vec2(offset, offset));
 
-    if props.rgba.a < 0.5 {
+    if props.rgba.a == 0.0 {
         discard;
     }
+
     props.rgba.a = 1.0;
 
     var pbr_input = unpack_pbrinput(props, in.position);

assets/shaders/floor_vertex.wgsl

@@ -1,9 +1,14 @@
 #import bevy_pbr::{
     mesh_functions,
-    forward_io::Vertex,
     view_transformations::{position_world_to_clip, position_view_to_world},
 }
 
+#ifdef PREPASS_PIPELINE
+    #import bevy_pbr::prepass_io::Vertex;
+#else
+    #import bevy_pbr::forward_io::Vertex;
+#endif
+
 #import boimp::shared::ImposterVertexOut;
 #import boimp::bindings::{imposter_data, sample_uvs_unbounded, grid_weights, sample_positions_from_camera_dir};
 

crates/imposters/Cargo.toml

@@ -16,6 +16,7 @@ boimp = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 anyhow = { workspace = true }
+urlencoding = { workspace = true }
 async-fs = "2.0"
 
 [lints]