Fix bug in parseNodes

.github/workflows/run-assimp-go.yml

@@ -0,0 +1,20 @@
+name: Build-AssImp
+on:
+  create:
+
+jobs:
+  Run-assimp-go-macos:
+    runs-on: macos-10.15
+    steps:
+      - name: Install golang 1.17
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.17'
+      - name: Clone assimp-go
+        run: git clone https://github.com/bloeys/assimp-go
+      - name: Copy dylib
+        working-directory: assimp-go
+        run: sudo mkdir -p /usr/local/lib && sudo cp asig/libs/libassimp_darwin_amd64.dylib /usr/local/lib/libassimp.5.dylib
+      - name: Run assimp-go
+        working-directory: assimp-go
+        run: go run .

README.md

@@ -1,5 +1,7 @@
 # assimp-go
 
+[![Build](https://github.com/bloeys/assimp-go/actions/workflows/run-assimp-go.yml/badge.svg)](https://github.com/bloeys/assimp-go/actions/workflows/run-assimp-go.yml)
+
 A Handcrafted Open Asset Import Library (AssImp) wrapper for Go.
 
 ## Features
@@ -43,7 +45,7 @@ Download the **.dll** of the release you want, and place it in the **root** of y
 First, download the appropriate **.dylib** for your device (`_amd64` for Intel CPUs and `_arm64` for Apple CPUs).
 Next you will need to rename the lib to `libassimp.5.dylib` and move it to `/usr/local/lib` or `/usr/lib`.
 
-You can use this command to do it: `sudo mkdir -p /usr/local/lib && sudo cp libassimp_*.5.dylib /usr/local/lib/libassimp.5.dylib`
+You can use this command to do it: `sudo mkdir -p /usr/local/lib && sudo cp libassimp_darwin*.dylib /usr/local/lib/libassimp.5.dylib`
 
 ### Running assimp-go
 

asig/asig.go

@@ -215,7 +215,7 @@ func parseNodes(cNodesIn **C.struct_aiNode, parent *Node, parentChildrenCount ui
 		}
 
 		//Parse node's children
-		nodes[i].Children = parseNodes(n.mChildren, nodes[i], parentChildrenCount)
+		nodes[i].Children = parseNodes(n.mChildren, nodes[i], uint(n.mNumChildren))
 	}
 
 	return nodes
@@ -519,6 +519,10 @@ func parseVertexWeights(cWeights *C.struct_aiVertexWeight, count uint) []VertexW
 }
 
 func parseAiString(aiString C.struct_aiString) string {
+	if aiString.length == 0 {
+		return ""
+	}
+
 	return C.GoStringN(&aiString.data[0], C.int(aiString.length))
 }