"Fix" image loading after bumping LWJGL by using slower code path

src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt

@@ -128,6 +128,9 @@ object Starbound : BlockableEventLoop("Universe Thread"), Scheduler, ISBFileLoca
 	// especially for data which will explode legacy client
 	// also changes some constants
 	const val DEBUG_BUILD = true
+
+	// LWJGL 3.3.4 STBI "bugfix"
+	const val DEBUG_IMAGE_INFO = true
 	// ----
 
 	fun <E : Any> interner(): Interner<E> {

src/main/kotlin/ru/dbotthepony/kstarbound/defs/image/Image.kt

@@ -37,10 +37,13 @@ import ru.dbotthepony.kommons.gson.consumeNull
 import ru.dbotthepony.kommons.gson.contains
 import ru.dbotthepony.kommons.gson.get
 import ru.dbotthepony.kommons.gson.getObject
+import ru.dbotthepony.kommons.util.XXHash64
+import ru.dbotthepony.kommons.util.xxhash32
 import ru.dbotthepony.kstarbound.json.JsonPatch
 import ru.dbotthepony.kstarbound.math.vector.Vector2d
 import ru.dbotthepony.kstarbound.util.AssetPathStack
 import java.io.BufferedInputStream
+import java.io.File
 import java.io.FileNotFoundException
 import java.lang.ref.Reference
 import java.lang.ref.WeakReference
@@ -412,43 +415,63 @@ class Image private constructor(
 					val getWidth = intArrayOf(0)
 					val getHeight = intArrayOf(0)
 					val components = intArrayOf(0)
+					val status: Boolean
 
-					val stream = BufferedInputStream(file.open())
-					val callback = STBIIOCallbacks.malloc()
+					if (Starbound.DEBUG_IMAGE_INFO) {
+						val idata = file.readDirect()
 
-					val readCallback = STBIReadCallback.create(STBIReadCallbackI { _, buf, size ->
-						val readBuf = ByteArray(size)
-						val read = stream.read(readBuf)
+						status = STBImage.stbi_info_from_memory(
+							idata,
+							getWidth, getHeight,
+							components
+						)
 
-						for (i in 0 until read) {
-							MemoryUtil.memPutByte(buf + i, readBuf[i])
+						Reference.reachabilityFence(idata)
+					} else {
+						// FIXME: after upgrading to LWJGL 3.3.4 from 3.3.0 this code is broken
+						val stream = BufferedInputStream(file.open())
+						val callback = STBIIOCallbacks.malloc()
+
+						val readCallback = STBIReadCallback.create(STBIReadCallbackI { _, buf, size ->
+							var read = 0
+
+							for (i in 0 until size) {
+								val b = stream.read()
+
+								if (b == -1)
+									break
+								else {
+									MemoryUtil.memPutByte(buf + i, b.toByte())
+									read++
+								}
+							}
+
+							return@STBIReadCallbackI read
+						})
+
+						val skipCallback = STBISkipCallback.create { o, n -> stream.skip(n.toLong()) }
+
+						val eofCallback = STBIEOFCallback.create {
+							stream.mark(1)
+							val empty = stream.read() == -1
+							stream.reset()
+							if (empty) 1 else 0
 						}
 
-						return@STBIReadCallbackI read.coerceAtLeast(0)
-					})
+						callback.set(readCallback, skipCallback, eofCallback)
 
-					val skipCallback = STBISkipCallback.create { _, n -> stream.skip(n.toLong()) }
+						status = STBImage.stbi_info_from_callbacks(
+							callback, 0L,
+							getWidth, getHeight,
+							components
+						)
 
-					val eofCallback = STBIEOFCallback.create {
-						stream.mark(1)
-						val empty = stream.read() == -1
-						stream.reset()
-						if (empty) 1 else 0
+						readCallback.free()
+						skipCallback.free()
+						eofCallback.free()
+						callback.free()
 					}
 
-					callback.set(readCallback, skipCallback, eofCallback)
-
-					val status = STBImage.stbi_info_from_callbacks(
-						callback, 0L,
-						getWidth, getHeight,
-						components
-					)
-
-					readCallback.free()
-					skipCallback.free()
-					eofCallback.free()
-					callback.free()
-
 					if (!status) {
 						val asset = AssetPathStack.lastFile()
 

src/main/kotlin/ru/dbotthepony/kstarbound/io/StarboundPak.kt

@@ -141,6 +141,19 @@ class StarboundPak(val path: File, callback: (finished: Boolean, status: String)
 			return object : InputStream() {
 				private var innerOffset = 0L
 
+				override fun skip(n: Long): Long {
+					if (innerOffset >= length) {
+						return 0
+					} else if (innerOffset + n < length) {
+						innerOffset += n
+						return n
+					} else {
+						val diff = length - innerOffset
+						innerOffset = length
+						return diff
+					}
+				}
+
 				override fun read(): Int {
 					if (innerOffset >= length) {
 						return -1

src/main/kotlin/ru/dbotthepony/kstarbound/server/ServerConnection.kt

@@ -748,7 +748,7 @@ class ServerConnection(val server: StarboundServer, type: ConnectionType) : Conn
 				enqueueWarp(WarpAlias.OwnShip)
 			}
 
-			enqueueWarp(WarpAction.World(WorldID.Instance("outpost")))
+			//enqueueWarp(WarpAction.World(WorldID.Instance("outpost")))
 
 			scope.launch { shipFlightEventLoop(context.shipCoordinate, context.systemLocation) }
 		}