disallow binding of texture array if unloaded + fix

Its simply impossible. Shaders can not be loaded/used when its not loaded.

This fixes and INVALID_OPERATION opengl error

src/integration-test/kotlin/de/bixilon/minosoft/MinosoftSIT.kt

@@ -66,10 +66,10 @@ internal object MinosoftSIT {
 
         val worker = TaskWorker()
         MinosoftBoot.register(worker)
-        worker.minusAssign(BootTasks.PROFILES)
-        worker.minusAssign(BootTasks.LAN_SERVERS)
-        worker.minusAssign(BootTasks.MODS)
-        worker.minusAssign(BootTasks.CLI)
+        worker -= BootTasks.PROFILES
+        worker -= BootTasks.LAN_SERVERS
+        worker -= BootTasks.MODS
+        worker -= BootTasks.CLI
         worker.work(MinosoftBoot.LATCH)
         MinosoftBoot.LATCH.dec()
         MinosoftBoot.LATCH.await()

src/main/java/de/bixilon/minosoft/gui/rendering/chunk/border/WorldBorderRenderer.kt

@@ -57,13 +57,13 @@ class WorldBorderRenderer(
 
     override fun init(latch: AbstractLatch) {
         shader.native.defines["MAX_DISTANCE"] = MAX_DISTANCE
-        shader.load()
 
         texture = context.textures.static.create(TEXTURE)
         context.camera.offset::offset.observe(this) { reload = true }
     }
 
     override fun postInit(latch: AbstractLatch) {
+        shader.load()
         context.textures.static.use(shader)
         shader.textureIndexLayer = texture.renderData.shaderTextureId
     }

src/main/java/de/bixilon/minosoft/gui/rendering/framebuffer/FramebufferManager.kt

@@ -31,6 +31,9 @@ class FramebufferManager(
     fun init() {
         world.init()
         gui.init()
+        for (error in context.system.getErrors()) {
+            println()
+        }
 
         context.connection.events.listen<ResizeWindowEvent> {
             world.framebuffer.resize(it.size)
@@ -39,6 +42,9 @@ class FramebufferManager(
     }
 
     fun postInit() {
+        for (error in context.system.getErrors()) {
+            println()
+        }
         world.postInit()
         gui.postInit()
     }

src/main/java/de/bixilon/minosoft/gui/rendering/framebuffer/world/overlay/overlays/weather/WeatherOverlay.kt

@@ -86,11 +86,8 @@ class WeatherOverlay(private val context: RenderContext) : Overlay {
         mesh.load()
     }
 
-    override fun init() {
-        shader.load()
-    }
-
     override fun postInit() {
+        shader.load()
         shader.use()
         context.textures.static.use(shader)
     }

src/main/java/de/bixilon/minosoft/gui/rendering/system/opengl/texture/OpenGLFontTextureArray.kt

@@ -43,6 +43,8 @@ class OpenGLFontTextureArray(
 
     override fun upload(latch: AbstractLatch?) {
         this.handle = OpenGLTextureUtil.createTextureArray(0)
+        // glTexParameteriv(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_RGBA, intArrayOf(GL_LUMINANCE, GL_LUMINANCE, GL_LUMINANCE, GL_LUMINANCE)) // TODO: not working?
+
         glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_COMPRESSED_LUMINANCE_ALPHA, RESOLUTION, RESOLUTION, textures.size, 0, GL_RGBA, GL_UNSIGNED_BYTE, null as ByteBuffer?)
 
         for (texture in textures) {
@@ -62,6 +64,7 @@ class OpenGLFontTextureArray(
     }
 
     override fun use(shader: NativeShader, name: String) {
+        if (state != TextureArrayStates.UPLOADED) throw IllegalStateException("Texture array is not uploaded yet! Are you trying to load a shader in the init phase?")
         shader.use()
         activate()
 

src/main/java/de/bixilon/minosoft/gui/rendering/system/opengl/texture/OpenGLTextureArray.kt

@@ -53,7 +53,7 @@ class OpenGLTextureArray(
 
 
     private fun upload(resolution: Int, textures: List<Texture>): Int {
-        val textureId = OpenGLTextureUtil.createTextureArray(mipmaps)
+        val handle = OpenGLTextureUtil.createTextureArray(mipmaps)
 
         for (level in 0..mipmaps) {
             glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA8, resolution shr level, resolution shr level, textures.size, 0, GL_RGBA, GL_UNSIGNED_BYTE, null as ByteBuffer?)
@@ -70,7 +70,7 @@ class OpenGLTextureArray(
             texture.data = TextureData.NULL
         }
 
-        return textureId
+        return handle
     }
 
 
@@ -98,6 +98,7 @@ class OpenGLTextureArray(
     }
 
     override fun use(shader: NativeShader, name: String) {
+        if (state != TextureArrayStates.UPLOADED) throw IllegalStateException("Texture array is not uploaded yet! Are you trying to load a shader in the init phase?")
         shader.use()
         activate()
 

src/main/java/de/bixilon/minosoft/gui/rendering/system/opengl/texture/dynamic/OpenGLDynamicTextureArray.kt

@@ -96,6 +96,7 @@ class OpenGLDynamicTextureArray(
     }
 
     override fun unsafeUse(shader: NativeShader, name: String) {
+        if (handle <= 0) throw IllegalStateException("Texture array is not uploaded yet! Are you trying to load a shader in the init phase?")
         shader.use()
         activate()
         shader.setTexture("$name[$index]", index)

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/sign/SignTextS2CP.kt

@@ -15,7 +15,6 @@ package de.bixilon.minosoft.protocol.packets.s2c.play.sign
 import de.bixilon.kotlinglm.vec3.Vec3i
 import de.bixilon.kutil.cast.CastUtil.unsafeCast
 import de.bixilon.minosoft.data.entities.block.sign.SignBlockEntity
-import de.bixilon.minosoft.data.text.ChatComponent
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
 import de.bixilon.minosoft.protocol.packets.s2c.PlayS2CPacket
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
@@ -30,17 +29,9 @@ class SignTextS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     } else {
         buffer.readBlockPosition()
     }
-    val lines: Array<ChatComponent>
+    val lines = Array(SignBlockEntity.LINES) { buffer.readChatComponent() }
 
 
-    init {
-        val lines: MutableList<ChatComponent> = mutableListOf()
-        for (i in 0 until SignBlockEntity.LINES) {
-            lines.add(buffer.readChatComponent())
-        }
-        this.lines = lines.toTypedArray()
-    }
-
     override fun handle(connection: PlayConnection) {
         val entity = connection.world.getBlockEntity(position)?.unsafeCast<SignBlockEntity>() ?: SignBlockEntity(connection)
 

src/main/java/de/bixilon/minosoft/util/KUtil.kt

@@ -359,7 +359,7 @@ object KUtil {
     }
 
     @Deprecated("kutil 1.25")
-    fun TaskWorker.minusAssign(identifier: Any) {
+    operator fun TaskWorker.minusAssign(identifier: Any) {
         this::class.java.getDeclaredField("tasks").apply { isAccessible = true }.get(this).unsafeCast<MutableMap<Any, WorkerTask>>().remove(identifier)
     }
 }