#!/bin/sh

LWJGL_JLP_OVRD="/usr/local/lib/lwjgl3:/usr/local/lib:/usr/lib"

LWJGL_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl.jar"
LWJGL_OGL_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl-opengl.jar"
LWJGL_OAL_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl-openal.jar"
LWJGL_GLFW_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl-glfw.jar"
LWJGL_STB_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl-stb.jar"
LWJGL_JEM_OVRD="/usr/local/share/java/classes/lwjgl3/lwjgl-jemalloc.jar"

# Use openjdk16 for 1.17 support
export JAVA_HOME=/usr/local/openjdk16

build_classpath() {
	local IFS=":"
	for p in ${1}; do
		case "${p}" in
			*lwjgl-opengl*)
			cp="${cp}:${LWJGL_OGL_OVRD}"
			;;
			*lwjgl-openal*)
			cp="${cp}:${LWJGL_OAL_OVRD}"
			;;
			*lwjgl-glfw*)
			cp="${cp}:${LWJGL_GLFW_OVRD}"
			;;
			*lwjgl-stb*)
			cp="${cp}:${LWJGL_STB_OVRD}"
			;;
			*lwjgl-jemalloc*)
			cp="${cp}:${LWJGL_JEM_OVRD}"
			;;
			*lwjgl*)
			cp="${cp}:${LWJGL_OVRD}"
			;;
			*)
			cp="${cp}:${p}"
			;;
		esac
	done
	cp=${cp#?}
}

for var in "${@}"
do
	case "${var}" in
		-Djava.library*)
		args="${args} -Djava.library.path=${LWJGL_JLP_OVRD}"
		;;
		*lwjgl-opengl*)
		build_classpath "${var}"
		args="${args} ${cp}"
		;;
		*)
		args="${args} ${var}"
		;;
	esac
done

${JAVA_HOME}/bin/java ${args}