Update bind script

app/bind.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+export PROJECTPATH=$PWD
+export GOPATH="$PROJECTPATH/go"
+export GO111MODULE=on
+
+if [ -z "$1" ]; then
+	echo "Usage: ./bind.sh <boxcars commit hash or tag>"
+	exit 1
+fi
+
+go mod init com.rocket9labs.boxcars || true
+
+echo "Downloading bind..."
+go get golang.org/x/mobile/bind
+
+echo "Downloading ebiten..."
+go get github.com/hajimehoshi/ebiten/v2@latest
+
+echo "Installing ebitenmobile..."
+go install github.com/hajimehoshi/ebiten/v2/cmd/ebitenmobile@latest
+
+echo "Downloading boxcars $1..."
+mkdir -p $GOPATH/src/code.rocket9labs.com/tslocum
+if [ ! -d "$GOPATH/src/code.rocket9labs.com/tslocum/boxcars" ]; then
+	git clone https://code.rocket9labs.com/tslocum/boxcars $GOPATH/src/code.rocket9labs.com/tslocum/boxcars
+fi
+cd $GOPATH/src/code.rocket9labs.com/tslocum/boxcars && git fetch origin && git reset --hard `printf %q "$1"` && cd $PROJECTPATH
+
+echo "Binding boxcars..."
+mkdir -p libs
+PATH="$PROJECTPATH/go/bin:$PATH"
+cd $GOPATH/src/code.rocket9labs.com/tslocum/boxcars/game/mobile
+ebitenmobile bind -target android -androidapi 21 -javapkg com.rocket9labs.boxcars -o $PROJECTPATH/libs/boxcars.aar .
+
+echo "Finished."

app/build.gradle

@@ -39,11 +39,10 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs/boxcars', include: ['*.jar', '*.aar'])
-
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
 }
 
-task bindBoxcars(type: Exec) {
+task bindLibrary(type: Exec) {
     workingDir "$projectDir"
-    commandLine 'sh', '-c', './bind.sh v' + project.ext.boxcarsVersion
+    commandLine 'sh', '-c', './bind.sh ' + project.ext.boxcarsVersion
 }

app/libs/boxcars/bind.sh

@@ -1,24 +0,0 @@
-#!/bin/bash
-
-if [[ -z "$1" ]]; then
-	echo "Specify the path to the game/mobile sub-package of boxcars."
-	echo "Note: This script must be executed within \$GOPATH."
-	exit
-fi
-
-cwd=$(pwd)
-
-go mod init com.rocket9labs.boxcars || true
-
-echo "Downloading bind..."
-go get golang.org/x/mobile/bind
-echo "Downloading ebiten..."
-go get github.com/hajimehoshi/ebiten/v2@latest
-echo "Installing ebitenmobile..."
-go install github.com/hajimehoshi/ebiten/v2/cmd/ebitenmobile@latest
-echo "Binding application..."
-
-cd "$1"
-ebitenmobile bind -target android -androidapi 21 -javapkg com.rocket9labs.boxcars -o boxcars.aar .
-mv boxcars.aar $cwd && mv boxcars-sources.jar $cwd
-echo "Finished"