Add gravitational lensing effects and support

src/generated/resources/assets/anvilcraft/lang/en_ud.json

@@ -145,6 +145,21 @@
   "anvilcraft.configuration.giant_anvil_max_shock_radius.tooltip": "ɹoᴉʌɐɥǝq ʞɔoɥs s,ꞁᴉʌuɐ ʇuɐᴉᵷ ɟo snᴉpɐɹ ɯnɯᴉxɐW",
   "anvilcraft.configuration.goggle_mode": "ǝpoW ǝꞁᵷᵷo⅁",
   "anvilcraft.configuration.goggle_mode.tooltip": "oɟuᴉ ǝꞁᵷᵷoᵷ ɹǝɯɯɐɥ ꞁᴉʌuɐ ǝɥʇ ɟo ǝpoɯ ǝɥ⟘",
+  "anvilcraft.configuration.gravitational_lens": "suǝꞀ ꞁɐuoᴉʇɐʇᴉʌɐɹ⅁",
+  "anvilcraft.configuration.gravitational_lens.button": "suǝꞀ ꞁɐuoᴉʇɐʇᴉʌɐɹ⅁",
+  "anvilcraft.configuration.gravitational_lens.event_horizon_radius": "snᴉpɐᴚ uozᴉɹoH ʇuǝʌƎ",
+  "anvilcraft.configuration.gravitational_lens.event_horizon_radius.tooltip": "(ʇꞁnɐɟǝp Ɛ80˙0 'sʇᴉun Ʌ∩ uǝǝɹɔs) snᴉpɐɹ uozᴉɹoɥ ʇuǝʌƎ",
+  "anvilcraft.configuration.gravitational_lens.lens_direction": "uoᴉʇɔǝɹᴉᗡ suǝꞀ",
+  "anvilcraft.configuration.gravitational_lens.lens_direction.tooltip": "˙ɥʇᵷuǝɹʇs sǝꞁɐɔs ǝpnʇᴉuᵷɐW ˙(ʎɐʍɐ ɥsnd) ǝʌɐɔuoɔ = 0> '(ɹǝʇuǝɔ pɹɐʍoʇ ꞁꞁnd ꞁɐuoᴉʇɐʇᴉʌɐɹᵷ) xǝʌuoɔ = 0< :uoᴉʇɔǝɹᴉp suǝꞀ",
+  "anvilcraft.configuration.gravitational_lens.lens_perspective_scale": "ǝꞁɐɔS ǝʌᴉʇɔǝdsɹǝԀ suǝꞀ",
+  "anvilcraft.configuration.gravitational_lens.lens_perspective_scale.tooltip": "˙ɹǝᵷᵷᴉq = ɹǝsoꞁƆ ˙ǝzᴉs ᵷᴉɟuoɔ = ʇɔǝɟɟǝ 'ǝɔuɐʇsᴉp sᴉɥʇ ʇⱯ ˙ᵷuᴉꞁɐɔs ǝʌᴉʇɔǝdsɹǝd ɹoɟ ǝɔuɐʇsᴉp ǝɔuǝɹǝɟǝᴚ",
+  "anvilcraft.configuration.gravitational_lens.lens_strength": "ɥʇᵷuǝɹʇS suǝꞀ",
+  "anvilcraft.configuration.gravitational_lens.lens_strength.tooltip": "(ʇꞁnɐɟǝp ᘔ00˙0 'ᵷuᴉpuǝq ɹǝᵷuoɹʇs = ɹǝɥᵷᴉɥ) ɥʇᵷuǝɹʇs uoᴉʇɹoʇsᴉp suǝꞀ",
+  "anvilcraft.configuration.gravitational_lens.max_hole_count": "ʇunoƆ ǝꞁoH xɐW",
+  "anvilcraft.configuration.gravitational_lens.max_hole_count.tooltip": "˙ǝɔuɐɯɹoɟɹǝd ɹǝʇʇǝq = ɹǝʍoꞁ 'sǝꞁoɥ ǝɹoɯ = ɹǝɥᵷᴉH ˙(9ϛᘔ-ᘔ) pǝɹǝpuǝɹ sǝꞁoɥ ǝʇᴉɥʍ/ʞɔɐꞁq ɟo ɹǝqɯnu ɯnɯᴉxɐW",
+  "anvilcraft.configuration.gravitational_lens.render_black_hole_lensing": "ᵷuᴉsuǝꞀ ǝꞁoH ʞɔɐꞁᗺ ɹǝpuǝᴚ",
+  "anvilcraft.configuration.gravitational_lens.render_black_hole_lensing.tooltip": "sǝꞁoɥ ʞɔɐꞁq ɹɐǝu ʇɔǝɟɟǝ ᵷuᴉssǝɔoɹd-ʇsod ᵷuᴉsuǝꞁ ꞁɐuoᴉʇɐʇᴉʌɐɹ⅁",
+  "anvilcraft.configuration.gravitational_lens.tooltip": "suǝꞀ ꞁɐuoᴉʇɐʇᴉʌɐɹ⅁",
   "anvilcraft.configuration.ground_heave_particle_chance": "ǝɔuɐɥƆ ǝꞁɔᴉʇɹɐԀ ǝʌɐǝH punoɹ⅁",
   "anvilcraft.configuration.ground_heave_particle_chance.tooltip": "sǝꞁɔᴉʇɹɐd ǝʌɐǝɥ punoɹᵷ suʍɐds ʞɔoꞁq ɥɔɐǝ (0˙⥝-0˙0) ʎʇᴉꞁᴉqɐqoɹԀ",
   "anvilcraft.configuration.ground_heave_particle_count": "ʇunoƆ ǝꞁɔᴉʇɹɐԀ ǝʌɐǝH punoɹ⅁",

src/generated/resources/assets/anvilcraft/lang/en_us.json

@@ -145,6 +145,21 @@
   "anvilcraft.configuration.giant_anvil_max_shock_radius.tooltip": "Maximum radius of giant anvil's shock behavior",
   "anvilcraft.configuration.goggle_mode": "Goggle Mode",
   "anvilcraft.configuration.goggle_mode.tooltip": "The mode of the anvil hammer goggle info",
+  "anvilcraft.configuration.gravitational_lens": "Gravitational Lens",
+  "anvilcraft.configuration.gravitational_lens.button": "Gravitational Lens",
+  "anvilcraft.configuration.gravitational_lens.event_horizon_radius": "Event Horizon Radius",
+  "anvilcraft.configuration.gravitational_lens.event_horizon_radius.tooltip": "Event horizon radius (screen UV units, 0.083 default)",
+  "anvilcraft.configuration.gravitational_lens.lens_direction": "Lens Direction",
+  "anvilcraft.configuration.gravitational_lens.lens_direction.tooltip": "Lens direction: >0 = convex (gravitational pull toward center), <0 = concave (push away). Magnitude scales strength.",
+  "anvilcraft.configuration.gravitational_lens.lens_perspective_scale": "Lens Perspective Scale",
+  "anvilcraft.configuration.gravitational_lens.lens_perspective_scale.tooltip": "Reference distance for perspective scaling. At this distance, effect = config size. Closer = bigger.",
+  "anvilcraft.configuration.gravitational_lens.lens_strength": "Lens Strength",
+  "anvilcraft.configuration.gravitational_lens.lens_strength.tooltip": "Lens distortion strength (higher = stronger bending, 0.002 default)",
+  "anvilcraft.configuration.gravitational_lens.max_hole_count": "Max Hole Count",
+  "anvilcraft.configuration.gravitational_lens.max_hole_count.tooltip": "Maximum number of black/white holes rendered (2-256). Higher = more holes, lower = better performance.",
+  "anvilcraft.configuration.gravitational_lens.render_black_hole_lensing": "Render Black Hole Lensing",
+  "anvilcraft.configuration.gravitational_lens.render_black_hole_lensing.tooltip": "Gravitational lensing post-processing effect near black holes",
+  "anvilcraft.configuration.gravitational_lens.tooltip": "Gravitational Lens",
   "anvilcraft.configuration.ground_heave_particle_chance": "Ground Heave Particle Chance",
   "anvilcraft.configuration.ground_heave_particle_chance.tooltip": "Probability (0.0-1.0) each block spawns ground heave particles",
   "anvilcraft.configuration.ground_heave_particle_count": "Ground Heave Particle Count",

src/main/java/dev/dubhe/anvilcraft/block/entity/BlackHoleBlockEntity.java

@@ -1,5 +1,6 @@
 package dev.dubhe.anvilcraft.block.entity;
 
+import dev.dubhe.anvilcraft.client.support.GravitationalLensManager;
 import dev.dubhe.anvilcraft.init.block.ModBlockEntities;
 import dev.dubhe.anvilcraft.util.GravityManager;
 import net.minecraft.core.BlockPos;
@@ -19,19 +20,27 @@ public static BlackHoleBlockEntity createBlockEntity(BlockEntityType<?> type, Bl
     @Override
     public void onLoad() {
         super.onLoad();
-        if (this.level != null && !this.level.isClientSide) {
-            GravityManager.GravitySourceType type = GravityManager.GravitySourceManager.getType(this.getBlockState().getBlock());
-            if (type != null) {
-                GravityManager.GravitySourceManager.addSource(this.level, this.worldPosition, type);
+        if (this.level != null) {
+            if (this.level.isClientSide) {
+                GravitationalLensManager.register(this.worldPosition);
+            } else {
+                GravityManager.GravitySourceType type = GravityManager.GravitySourceManager.getType(this.getBlockState().getBlock());
+                if (type != null) {
+                    GravityManager.GravitySourceManager.addSource(this.level, this.worldPosition, type);
+                }
             }
         }
     }
 
     @Override
     public void setRemoved() {
         super.setRemoved();
-        if (this.level != null && !this.level.isClientSide) {
-            GravityManager.GravitySourceManager.removeSource(this.level, this.worldPosition);
+        if (this.level != null) {
+            if (this.level.isClientSide) {
+                GravitationalLensManager.unregister(this.worldPosition);
+            } else {
+                GravityManager.GravitySourceManager.removeSource(this.level, this.worldPosition);
+            }
         }
     }
-}
+}

src/main/java/dev/dubhe/anvilcraft/block/entity/WhiteHoleBlockEntity.java

@@ -1,5 +1,6 @@
 package dev.dubhe.anvilcraft.block.entity;
 
+import dev.dubhe.anvilcraft.client.support.GravitationalLensManager;
 import dev.dubhe.anvilcraft.init.block.ModBlockEntities;
 import dev.dubhe.anvilcraft.util.GravityManager;
 import net.minecraft.core.BlockPos;
@@ -19,19 +20,27 @@ public static WhiteHoleBlockEntity createBlockEntity(BlockEntityType<?> type, Bl
     @Override
     public void onLoad() {
         super.onLoad();
-        if (this.level != null && !this.level.isClientSide) {
-            GravityManager.GravitySourceType type = GravityManager.GravitySourceManager.getType(this.getBlockState().getBlock());
-            if (type != null) {
-                GravityManager.GravitySourceManager.addSource(this.level, this.worldPosition, type);
+        if (this.level != null) {
+            if (this.level.isClientSide) {
+                GravitationalLensManager.registerWhiteHole(this.worldPosition);
+            } else {
+                GravityManager.GravitySourceType type = GravityManager.GravitySourceManager.getType(this.getBlockState().getBlock());
+                if (type != null) {
+                    GravityManager.GravitySourceManager.addSource(this.level, this.worldPosition, type);
+                }
             }
         }
     }
 
     @Override
     public void setRemoved() {
         super.setRemoved();
-        if (this.level != null && !this.level.isClientSide) {
-            GravityManager.GravitySourceManager.removeSource(this.level, this.worldPosition);
+        if (this.level != null) {
+            if (this.level.isClientSide) {
+                GravitationalLensManager.unregisterWhiteHole(this.worldPosition);
+            } else {
+                GravityManager.GravitySourceManager.removeSource(this.level, this.worldPosition);
+            }
         }
     }
-}
+}

src/main/java/dev/dubhe/anvilcraft/client/init/ModShaders.java

@@ -2,6 +2,7 @@
 
 import com.mojang.blaze3d.vertex.DefaultVertexFormat;
 import dev.dubhe.anvilcraft.AnvilCraft;
+import dev.dubhe.anvilcraft.client.support.GravitationalLensManager;
 import lombok.Getter;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.PostChain;
@@ -15,9 +16,12 @@
 
 public class ModShaders {
     public static final ResourceLocation LASER_BLOOM_LOCATION = AnvilCraft.of("shaders/post/bloom.json");
+    public static final ResourceLocation GRAVITATIONAL_LENS_LOCATION = AnvilCraft.of("shaders/post/gravitational_lens.json");
 
     @Getter
     private static PostChain bloomChain;
+    @Getter
+    private static PostChain lensChain;
     static final Minecraft MINECRAFT = Minecraft.getInstance();
 
     @Getter
@@ -38,7 +42,8 @@ public class ModShaders {
 
     public static void register(RegisterShadersEvent event) {
         try {
-            event.registerShader(new ShaderInstance(
+            event.registerShader(
+                new ShaderInstance(
                     event.getResourceProvider(),
                     AnvilCraft.of("rendertype_laser"),
                     DefaultVertexFormat.BLOCK
@@ -102,6 +107,9 @@ public static void resize(int width, int height) {
         if (bloomChain != null) {
             bloomChain.resize(width, height);
         }
+        if (lensChain != null) {
+            lensChain.resize(width, height);
+        }
         orthoMatrix = new Matrix4f()
             .setOrtho(
                 0f,
@@ -132,4 +140,22 @@ public static void loadBloomEffect(ResourceProvider resourceProvider) throws IOE
             AnvilCraft.LOGGER.error("Could not load bloom effect shader.", tr);
         }
     }
+
+    public static void loadLensEffect(ResourceProvider resourceProvider) throws IOException {
+        GravitationalLensManager.resetLensUbo();
+        try {
+            lensChain = new PostChain(
+                MINECRAFT.getTextureManager(),
+                resourceProvider,
+                Minecraft.getInstance().getMainRenderTarget(),
+                GRAVITATIONAL_LENS_LOCATION
+            );
+            lensChain.resize(
+                Minecraft.getInstance().getWindow().getWidth(),
+                Minecraft.getInstance().getWindow().getHeight()
+            );
+        } catch (Throwable tr) {
+            AnvilCraft.LOGGER.error("Could not load gravitational lens effect shader.", tr);
+        }
+    }
 }

src/main/java/dev/dubhe/anvilcraft/client/renderer/RenderState.java

@@ -38,4 +38,8 @@ public static boolean isBloomEffectEnabled() {
     public static boolean isScanPreviewEffectEnabled() {
         return AnvilCraftClient.CONFIG.renderScanPreviewEffect;
     }
+
+    public static boolean isLensEffectEnabled() {
+        return isEnhancedRenderingAvailable() && AnvilCraftClient.CONFIG.gravitationalLens.renderBlackHoleLensing;
+    }
 }