buffer renderer

src/main/kotlin/org/neoflock/neocomputers/utils/FontProvider.kt

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+package org.neoflock.neocomputers.utils;
+
+import net.minecraft.client.Minecraft
+import net.minecraft.resources.Identifier
+import net.minecraft.server.packs.resources.Resource
+import net.minecraft.server.packs.resources.ResourceManager
+import org.neoflock.neocomputers.NeoComputers
+import java.nio.charset.StandardCharsets
+
+object FontProvider {
+    val map: MutableMap<Char, ArrayList<Byte>> = mutableMapOf();
+
+    fun load(loc: Identifier) { // TODO: optimize, this can totally be optimized
+        var man: ResourceManager = Minecraft.getInstance().resourceManager
+        var resource: Resource = man.getResourceOrThrow(loc)
+        var stream = resource.open()
+        while (stream.available() > 0) {
+            var key = Integer.parseInt(String(stream.readNBytes(5), StandardCharsets.UTF_8), 16).toChar()
+            stream.skip(1)
+            var bytes: ArrayList<Byte> = ArrayList<Byte>();
+            while (true) { // shut up will you
+                var b1 = stream.read()
+                if (b1 == 10) break // 10 is line break
+                var b2 = stream.read() 
+                var value: Byte = Integer.parseInt(arrayOf(b1.toChar(), b2.toChar()).joinToString(""), 16).toByte()
+                bytes.add(value)
+            } 
+            map[key] = bytes
+        }
+        NeoComputers.LOGGER.info("[FontProvider] Loaded font!");
+    }
+}