From 0047c4eda45351d8ba838f86167b307f140d846c Mon Sep 17 00:00:00 2001
From: yuni <hut@hut.pm>
Date: Tue, 11 Jun 2024 04:40:57 +0200
Subject: [PATCH] WIP scene definitions from blender files

---
 Cargo.lock | 17 +++++++++++++++++
 Cargo.toml |  1 +
 build.rs   | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 47b337f..8bf4cd9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1097,6 +1097,16 @@ dependencies = [
  "constant_time_eq",
 ]
 
+[[package]]
+name = "blend"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56036f5e6c7ce6edb901e7a75ec34d6da2472ad3a2cbcd00df60a518b071a5b2"
+dependencies = [
+ "linked-hash-map",
+ "nom",
+]
+
 [[package]]
 name = "block"
 version = "0.1.6"
@@ -2296,6 +2306,12 @@ dependencies = [
  "redox_syscall 0.4.1",
 ]
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.13"
@@ -2772,6 +2788,7 @@ dependencies = [
  "bevy",
  "bevy_embedded_assets",
  "bevy_xpbd_3d",
+ "blend",
  "embed-resource",
  "fastrand",
  "regex",
diff --git a/Cargo.toml b/Cargo.toml
index 97812d8..7bd5b6a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -64,6 +64,7 @@ features = ["3d", "f64", "parry-f64", "parallel", "async-collider"]
 # a [target[...]build-dependencies] block because in case of cross-compiling, the
 # build.rs will be compiled for a different, non-windows target than the main executable.
 embed-resource = "1.6.3"  # embedding of .exe metadata
+blend = "0.8.0"
 
 [features]
 default = ["x11", "embed_assets"]
diff --git a/build.rs b/build.rs
index b7d8d5f..d7071fd 100644
--- a/build.rs
+++ b/build.rs
@@ -8,10 +8,43 @@
 //       +                  +                +             ███
 //  +   ▀████████████████████████████████████████████████████▀
 
+use blend::Blend;
+use std::fs::File;
+use std::io::Write;
+
 fn main() {
     let target = std::env::var("TARGET").unwrap();
     if target.contains("windows") {
         println!("cargo:warning=Embedding Windows Icon");
         embed_resource::compile("build/windows/icon.rc");
     }
+
+    let file = File::create("src/data/scenes.in");
+    if let Ok(mut file) = file {
+        generate_scenes(&mut file, "src/blender/suit_v2.blend");
+        generate_scenes(&mut file, "src/blender/cruiser.blend");
+    }
+}
+
+fn generate_scenes(stream: &mut File, source_blend_file: &str) {
+    let blend = Blend::from_path(source_blend_file).expect("error loading blend file");
+    for obj in blend.root_instances() {
+        let loc: Vec<f32> = if obj.is_valid("loc") {
+            obj.get_f32_vec("loc")
+        } else {
+            vec![0.0, 0.0, 0.0]
+        };
+        let rot: Vec<f32> = if obj.is_valid("rot") {
+            obj.get_f32_vec("rot")
+        } else {
+            vec![0.0, 0.0, 0.0]
+        };
+        let name = obj.get("id").get_string("name");
+
+        let result = write!(stream, "(\"{}\", {:?}, {:?}),\n", name, loc, rot);
+        if result.is_err() {
+            println!("{:?}", result);
+            break;
+        }
+    }
 }