Various rendering improvements

dependencies.gradle

@@ -73,7 +73,7 @@ dependencies {
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:Avaritia:1.78:dev")
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:Avaritiaddons:1.9.3-GTNH:dev")
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:DuraDisplay:1.4.0:dev")
-    runtimeOnlyNonPublishable('com.github.GTNewHorizons:EnderIO:2.10.8:dev')
+//    runtimeOnlyNonPublishable('com.github.GTNewHorizons:EnderIO:2.10.8:dev')
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:EnderStorage:1.8.0:dev")
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:GT5-Unofficial:5.09.52.140:dev")
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:FloodLights:1.5.5:dev")
@@ -95,8 +95,6 @@ dependencies {
 
     testImplementation(platform('org.junit:junit-bom:5.9.2'))
     testImplementation('org.junit.jupiter:junit-jupiter')
-
-    runtimeOnlyNonPublishable(rfg.deobf("curse.maven:spark-361579:4271867"))
 }
 
 // deps may transitively add Baubles, so we replace it

src/main/java/com/recursive_pineapple/matter_manipulator/client/rendering/BoxRenderer.java

@@ -25,6 +25,8 @@ public class BoxRenderer {
     private final ShaderProgram program;
     private final int time_location;
 
+    private final VertexBuffer buffer = new VertexBuffer(DefaultVertexFormat.POSITION_COLOR_TEXTURE, GL11.GL_QUADS);
+
     public BoxRenderer() {
         program = new ShaderProgram(
             Mods.MatterManipulator.resourceDomain,
@@ -39,8 +41,6 @@ public BoxRenderer() {
 
     /**
      * Starts rendering fancy boxes. Should only be called once per frame, to allow quad sorting.
-     *
-     * @param partialTickTime
      */
     public void start(double partialTickTime) {
         TessellatorManager.startCapturing();
@@ -163,13 +163,10 @@ public void finish() {
 
         program.use();
 
-        // this should only be done once a frame, but there aren't any side effects from calling it more
         GL20.glUniform1f(time_location, (((float) (System.currentTimeMillis() % 2500)) / 1000f));
 
-        try (VertexBuffer buffer = new VertexBuffer(DefaultVertexFormat.POSITION_COLOR_TEXTURE, GL11.GL_QUADS);) {
-            buffer.upload(bytes);
-            buffer.render();
-        }
+        buffer.upload(bytes);
+        buffer.render();
 
         ShaderProgram.clear();
 

src/main/java/com/recursive_pineapple/matter_manipulator/common/items/manipulator/FixedLengthVertexBuffer.java

@@ -0,0 +1,80 @@
+package com.recursive_pineapple.matter_manipulator.common.items.manipulator;
+
+import com.gtnewhorizon.gtnhlib.client.renderer.vertex.VertexFormat;
+
+import org.intellij.lang.annotations.MagicConstant;
+import org.lwjgl.opengl.ARBBufferStorage;
+import org.lwjgl.opengl.GL15;
+import org.lwjgl.opengl.GL30;
+
+/// Note: this doesn't work properly for some reason, don't use it as-is
+public class FixedLengthVertexBuffer extends StreamingVertexBuffer {
+
+    public FixedLengthVertexBuffer(VertexFormat format, int drawMode) {
+        super(format, drawMode);
+    }
+
+    @Override
+    public void reallocate() {
+        generate();
+
+        // noinspection MagicConstant
+        setSize(this.length, this.bufferFlags);
+    }
+
+    @Override
+    public void allocate(
+        int vertexCount,
+        @MagicConstant(intValues = {
+            ARBBufferStorage.GL_DYNAMIC_STORAGE_BIT,
+            GL30.GL_MAP_READ_BIT,
+            GL30.GL_MAP_WRITE_BIT,
+            ARBBufferStorage.GL_MAP_PERSISTENT_BIT,
+            ARBBufferStorage.GL_MAP_COHERENT_BIT,
+            ARBBufferStorage.GL_CLIENT_STORAGE_BIT,
+        }) int usage
+    ) {
+        // noinspection MagicConstant
+        if (this.id == 0 || vertexCount < this.vertexCount / 4 || vertexCount > this.vertexCount || usage != this.bufferFlags) {
+            generate();
+
+            setSize(vertexCount * (long) format.getVertexSize(), usage);
+        }
+
+        this.vertexCount = vertexCount;
+    }
+
+    public void setSize(
+        long length,
+        @MagicConstant(intValues = {
+            ARBBufferStorage.GL_DYNAMIC_STORAGE_BIT,
+            GL30.GL_MAP_READ_BIT,
+            GL30.GL_MAP_WRITE_BIT,
+            ARBBufferStorage.GL_MAP_PERSISTENT_BIT,
+            ARBBufferStorage.GL_MAP_COHERENT_BIT,
+            ARBBufferStorage.GL_CLIENT_STORAGE_BIT,
+        }) int bufferFlags
+    ) {
+        if (this.length > 0) throw new IllegalStateException("Cannot resize an immutable (fixed length) vertex buffer");
+
+        bind();
+
+        this.length = length;
+        this.bufferFlags = bufferFlags;
+        ARBBufferStorage.glBufferStorage(GL15.GL_ARRAY_BUFFER, length, bufferFlags);
+
+        unbind();
+    }
+
+    public void flush() {
+        bind();
+        GL30.glFlushMappedBufferRange(GL15.GL_ARRAY_BUFFER, 0, vertexCount * (long) format.getVertexSize());
+        unbind();
+    }
+
+    public void flushAll() {
+        bind();
+        GL30.glFlushMappedBufferRange(GL15.GL_ARRAY_BUFFER, 0, length);
+        unbind();
+    }
+}