[WIP] GPU Worldgen + test world type

dependencies.gradle

@@ -35,7 +35,7 @@
  */
 dependencies {
     // ========================= Real Deps ========================= //
-    implementation("com.github.GTNewHorizons:GTNHLib:0.11.2:dev")
+    implementation("com.github.GTNewHorizons:GTNHLib:0.11.3:dev")
     implementation("com.github.GTNewHorizons:RegionLib:v0.1.0-GTNH:dev")
 
     compileOnly("org.jetbrains:annotations:26.0.2")
@@ -47,6 +47,7 @@ dependencies {
     compileOnly("com.falsepattern:chunkapi-mc1.7.10:0.8.1:dev")
     compileOnly("com.falsepattern:endlessids-mc1.7.10:1.7.1:dev")
     compileOnly("ganymedes01.etfuturum:Et-Futurum-Requiem:2.6.2.21-GTNH-daily:dev")
+    compileOnly("com.github.GTNewHorizons:Angelica:2.1.28:dev")
 
     // ========================= Test Deps ========================= //
     devOnlyNonPublishable("com.github.GTNewHorizons:NotEnoughItems:2.8.100-GTNH:dev")

src/buildSrc/java/com/cardinalstar/cubicchunks/codegen/FieldType.java

@@ -0,0 +1,72 @@
+package com.cardinalstar.cubicchunks.codegen;
+
+public enum FieldType {
+
+    i32,
+    u32,
+    i64,
+    u64,
+    f32,
+    f64;
+
+    public String javaType() {
+        switch (this) {
+            case i32:
+            case u32:
+                return "int";
+            case i64:
+            case u64:
+                return "long";
+            case f32:
+                return "float";
+            case f64:
+                return "double";
+            default:
+                throw new IllegalArgumentException();
+        }
+    }
+
+    public String glslType() {
+        switch (this) {
+            case i32:
+                return "int";
+            case u32:
+                return "uint";
+            case i64:
+                return "long";
+            case u64:
+                return "ulong";
+            case f32:
+                return "float";
+            case f64:
+                return "double";
+            default:
+                throw new IllegalArgumentException();
+        }
+    }
+
+    public int wordWidth() {
+        switch (this) {
+            case i32:
+            case u32:
+            case f32:
+                return 1;
+            case i64:
+            case u64:
+            case f64:
+                return 2;
+            default:
+                throw new IllegalArgumentException();
+        }
+    }
+
+    /** Byte size of this type. */
+    public int byteSize() {
+        return wordWidth() * 4;
+    }
+
+    /** std430 alignment requirement in bytes. */
+    public int glAlign() {
+        return wordWidth() == 2 ? 8 : 4;
+    }
+}

src/buildSrc/java/com/cardinalstar/cubicchunks/codegen/GenerateStructs.java

@@ -0,0 +1,46 @@
+package com.cardinalstar.cubicchunks.codegen;
+
+import java.io.IOException;
+
+public class GenerateStructs {
+
+    public static void main(String[] args) throws IOException {
+        NOISE2D_UNIFORM.writeAllGL();
+        ENHANCED_BLOCK_PICKER.writeAllGL();
+        BIOME_DISTANCE.writeAllGL();
+        BIOME_LOOKUP.writeAllGL();
+        HEIGHTMAP.writeAllGL();
+    }
+
+    private static final Struct NOISE2D_UNIFORM = new Struct(
+        "com.cardinalstar.cubicchunks.api.worldgen.hwaccel",
+        "Noise2DUniform").addField(FieldType.i32, "offsetX")
+            .addField(FieldType.i32, "offsetZ")
+            .addField(FieldType.u32, "outputOffset");
+
+    private static final Struct ENHANCED_BLOCK_PICKER = new Struct(
+        "com.cardinalstar.cubicchunks.worldgen.ccenhanced",
+        "BlockPickerUniform").addField(FieldType.i32, "cubeY")
+            .addField(FieldType.u32, "heightmapOffset")
+            .addField(FieldType.u32, "blockOffset");
+
+    private static final Struct BIOME_DISTANCE = new Struct(
+        "com.cardinalstar.cubicchunks.worldgen.ccenhanced.biome",
+        "BiomeDistanceUniform").addField(FieldType.u32, "temperatureOffset")
+            .addField(FieldType.u32, "humidityOffset")
+            .addField(FieldType.u32, "continentalnessOffset")
+            .addField(FieldType.u32, "erosionOffset")
+            .addField(FieldType.u32, "distanceOffset");
+
+    private static final Struct BIOME_LOOKUP = new Struct(
+        "com.cardinalstar.cubicchunks.worldgen.ccenhanced.biome",
+        "BiomeLookupUniform").addField(FieldType.u32, "distanceOffset")
+            .addField(FieldType.u32, "closestOffset")
+            .addField(FieldType.u32, "weightsOffset");
+
+    private static final Struct HEIGHTMAP = new Struct(
+        "com.cardinalstar.cubicchunks.worldgen.ccenhanced.biome",
+        "HeightMapUniform").addField(FieldType.u32, "distancesOffset")
+            .addField(FieldType.u32, "hvNoiseOffset")
+            .addField(FieldType.u32, "heightMapOffset");
+}