fix portal fluid look

build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id "com.modrinth.minotaur" version "2.+"
-    id 'fabric-loom' version '1.2-SNAPSHOT'
+    id 'fabric-loom' version '1.5-SNAPSHOT'
     id 'maven-publish'
 }
 
@@ -21,6 +21,10 @@ repositories {
         name = 'Ladysnake Mods'
         url = 'https://ladysnake.jfrog.io/artifactory/mods'
     }
+    maven {
+        name = "Ladysnake Mods"
+        url = 'https://maven.ladysnake.org/releases'
+    }
     maven {
         url = "https://api.modrinth.com/maven"
     }
@@ -50,32 +54,12 @@ dependencies {
 
     // modImplementation "net.fabricmc.fabric-api:fabric-api-deprecated:${project.fabric_version}"
 
-    // Dependency of Immersive Portals Core:
-    modImplementation("com.github.iPortalTeam.ImmersivePortalsMod:imm_ptl_core:${project.immersive_portals_version}") {
-        exclude(group: "net.fabricmc.fabric-api")
-        exclude(group: "net.fabricmc.fabric-loader")
-        transitive(false)
-    }
+    modImplementation ("com.github.iPortalTeam:ImmersivePortalsMod:${project.immersive_portals_version}")
 
-    // Dependency of the Miscellaneous Utility Library from qouteall
-    modImplementation("com.github.iPortalTeam.ImmersivePortalsMod:q_misc_util:${project.immersive_portals_version}") {
-        exclude(group: "net.fabricmc.fabric-api")
-        exclude(group: "net.fabricmc.fabric-loader")
-        transitive(false)
-    }
+    include(modApi("dev.onyxstudios.cardinal-components-api:cardinal-components-base:${project.cardinal_components_version}"))
 
-    include(modApi("dev.onyxstudios.cardinal-components-api:cardinal-components-base:${project.cardinal_components_version}")) {
-        exclude(group: "net.fabricmc.fabric-loader")
-        transitive(false)
-    }
     // Replace modImplementation with modApi if you expose components in your own API
-    include(modImplementation("dev.onyxstudios.cardinal-components-api:cardinal-components-level:${project.cardinal_components_version}")) {
-        exclude(group: "net.fabricmc.fabric-loader")
-        transitive(false)
-    }
-
-    api("com.github.LlamaLad7:MixinExtras:0.2.0-beta.4")
-    annotationProcessor("com.github.LlamaLad7:MixinExtras:0.2.0-beta.4")
+    include(modImplementation("dev.onyxstudios.cardinal-components-api:cardinal-components-level:${project.cardinal_components_version}"))
 
     include(modApi(platform("de.siphalor.tweed4:tweed4-bom-$project.minecraft_version_major:$project.tweed_version")))
     // Pick any modules you want to use, e.g.:
@@ -87,11 +71,13 @@ dependencies {
     include(modApi("de.siphalor.tweed4:tweed4-tailor-screen-$project.minecraft_version_major"))
 
 
-    modImplementation("me.shedaniel.cloth:cloth-config-fabric:$project.cloth_config_version") {
-        exclude(group: "net.fabricmc.fabric-api")
+    modImplementation("me.shedaniel.cloth:cloth-config-fabric:$project.cloth_config_version") 
+
+    modCompileOnly("maven.modrinth:sodium:${project.sodium_version}")
 }
 
-    modCompileOnly "maven.modrinth:sodium:mc${project.minecraft_version_major}-${project.sodium_version}"
+loom {
+	accessWidenerPath = file("src/main/resources/colourful_portals.accesswidener")
 }
 
 configurations.include.transitive = true

gradle.properties

@@ -4,21 +4,21 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
-minecraft_version=1.20.1
-yarn_mappings=1.20.1+build.8
-loader_version=0.14.21
+minecraft_version=1.20.4
 minecraft_version_major=1.20
+yarn_mappings=1.20.4+build.3
+loader_version=0.15.7
 
 # Mod Properties
-mod_version=0.9.3
+mod_version=0.9.3.1
 maven_group=quimufu.colourful-portals
 archives_base_name=colourful-portals
 
 # Dependencies
-fabric_version=0.84.0+1.20.1
-cardinal_components_version=5.2.1
-immersive_portals_version_short=3.1.0
-immersive_portals_version=v3.1.0-mc1.20.1
-tweed_version=1.3.0+mc1.20-pre1
-sodium_version=0.4.10
-cloth_config_version=11.0.99
+fabric_version=0.96.11+1.20.4
+cardinal_components_version=5.4.0
+immersive_portals_version_short=5.1.7
+immersive_portals_version=v5.1.7-mc1.20.4
+tweed_version=1.3.0+mc1.20.2
+sodium_version=mc1.20.4-0.5.8
+cloth_config_version=13.0.121

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/quimufu/colourful_portals/ColourfulPortalsMod.java

@@ -36,7 +36,7 @@ public class ColourfulPortalsMod implements ModInitializer {
     public static final Item BLOB_DARK = new Item(new FabricItemSettings());
     public static final Item BLOB_BRIGHT = new Item(new FabricItemSettings());
     public static final PortalFluid PORTAL_FLUID = new PortalFluid();
-    public static final PortalFluidBlock PORTAL_FLUID_BLOCk = new PortalFluidBlock(PORTAL_FLUID, FabricBlockSettings.create().sounds(BlockSoundGroup.field_44608).luminance(15).noCollision().strength(100.0f).dropsNothing());
+    public static final PortalFluidBlock PORTAL_FLUID_BLOCk = new PortalFluidBlock(PORTAL_FLUID, FabricBlockSettings.create().sounds(BlockSoundGroup.INTENTIONALLY_EMPTY).luminance(15).noCollision().strength(100.0f).dropsNothing());
     public static final BucketItem PORTAL_FLUID_BUCKET_ITEM = new PortalFluidBucketItem(PORTAL_FLUID, new FabricItemSettings().recipeRemainder(Items.BUCKET).maxCount(1).rarity(Rarity.RARE));
 
     private static boolean never(BlockState blockState, BlockView blockView, BlockPos blockPos, EntityType<?> entityType) {

src/main/java/quimufu/colourful_portals/PortalBlock.java

@@ -4,6 +4,7 @@ import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.FluidFillable;
 import net.minecraft.block.ShapeContext;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.fluid.Fluid;
 import net.minecraft.fluid.FluidState;
 import net.minecraft.item.ItemPlacementContext;
@@ -21,6 +22,7 @@ import net.minecraft.util.shape.VoxelShapes;
 import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldAccess;
+import org.jetbrains.annotations.Nullable;
 import quimufu.colourful_portals.portal.PortalManager;
 
 
@@ -119,7 +121,7 @@ public class PortalBlock extends Block implements FluidFillable {
     }
 
     @Override
-    public boolean canFillWithFluid(BlockView world, BlockPos pos, BlockState state, Fluid fluid) {
+    public boolean canFillWithFluid(@Nullable PlayerEntity player, BlockView world, BlockPos pos, BlockState state, Fluid fluid) {
         if (((World) world).isClient() && fluid == ColourfulPortalsMod.PORTAL_FLUID) {
             return true;
         }
@@ -128,6 +130,7 @@ public class PortalBlock extends Block implements FluidFillable {
                 && PortalManager.canExtend((ServerWorld) world, pos);
     }
 
+
     @Override
     public boolean tryFillWithFluid(WorldAccess world, BlockPos pos, BlockState state, FluidState fluidState) {
         if (world.isClient() && fluidState.isOf(ColourfulPortalsMod.PORTAL_FLUID)) {

src/main/java/quimufu/colourful_portals/client/AlphaBlendingAnimator.java

@@ -0,0 +1,112 @@
+package quimufu.colourful_portals.client;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import net.minecraft.client.texture.Animator;
+import net.minecraft.client.texture.NativeImage;
+import net.minecraft.client.texture.SpriteContents;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+/**
+ * This code is mostly copies from minecraft source. it is owned by mojang.
+ */
+public class AlphaBlendingAnimator implements Animator {
+    int frame;
+    int currentTime;
+    
+    final SpriteContents spriteContents;
+    final SpriteContents.Animation animation;
+    @Nullable
+    private final AlphaBlendingInterpolation interpolation;
+
+    public AlphaBlendingAnimator(SpriteContents spriteContents, SpriteContents.Animation animation) {
+        this.spriteContents = spriteContents;
+        this.animation = animation;
+        this.interpolation = new AlphaBlendingInterpolation();
+    }
+
+    @Override
+    public void tick(int x, int y) {
+        ++this.currentTime;
+        SpriteContents.AnimationFrame animationFrame = this.animation.frames.get(this.frame);
+        if (this.currentTime >= animationFrame.time) {
+            int i = animationFrame.index;
+            this.frame = (this.frame + 1) % this.animation.frames.size();
+            this.currentTime = 0;
+            int j = this.animation.frames.get((int)this.frame).index;
+            if (i != j) {
+                this.animation.upload(x, y, j);
+            }
+        } else if (this.interpolation != null) {
+            if (!RenderSystem.isOnRenderThread()) {
+                RenderSystem.recordRenderCall(() -> this.interpolation.apply(x, y, this));
+            } else {
+                this.interpolation.apply(x, y, this);
+            }
+        }
+    }
+
+    @Override
+    public void close() {
+        if (this.interpolation != null) {
+            this.interpolation.close();
+        }
+    }
+
+    public class AlphaBlendingInterpolation
+            implements AutoCloseable {
+        private final NativeImage[] images;
+
+        AlphaBlendingInterpolation() {
+            this.images = new NativeImage[spriteContents.mipmapLevelsImages.length];
+            for (int i = 0; i < this.images.length; ++i) {
+                int j = spriteContents.getWidth() >> i;
+                int k = spriteContents.getHeight() >> i;
+                this.images[i] = new NativeImage(j, k, false);
+            }
+        }
+
+        void apply(int x, int y, AlphaBlendingAnimator animator) {
+            SpriteContents.Animation animation = animator.animation;
+            List<SpriteContents.AnimationFrame> list = animation.frames;
+            SpriteContents.AnimationFrame animationFrame = list.get(animator.frame);
+            double d = 1.0 - (double)animator.currentTime / (double)animationFrame.time;
+            int i = animationFrame.index;
+            int j = list.get((animator.frame + 1) % list.size()).index;
+            if (i != j) {
+                for (int k = 0; k < this.images.length; ++k) {
+                    int l = spriteContents.getWidth() >> k;
+                    int m = spriteContents.getHeight() >> k;
+                    for (int n = 0; n < m; ++n) {
+                        for (int o = 0; o < l; ++o) {
+                            int p = this.getPixelColor(animation, i, k, o, n);
+                            int q = this.getPixelColor(animation, j, k, o, n);
+                            int a = this.lerp(d, p >> 24 & 0xFF, q >> 24 & 0xFF);
+                            int r = this.lerp(d, p >> 16 & 0xFF, q >> 16 & 0xFF);
+                            int s = this.lerp(d, p >> 8 & 0xFF, q >> 8 & 0xFF);
+                            int t = this.lerp(d, p & 0xFF, q & 0xFF);
+                            this.images[k].setColor(o, n, a << 24 | r << 16 | s << 8 | t);
+                        }
+                    }
+                }
+                spriteContents.upload(x, y, 0, 0, this.images);
+            }
+        }
+
+        private int getPixelColor(SpriteContents.Animation animation, int frameIndex, int layer, int x, int y) {
+            return spriteContents.mipmapLevelsImages[layer].getColor(x + (animation.getFrameX(frameIndex) * spriteContents.getWidth() >> layer), y + (animation.getFrameY(frameIndex) * spriteContents.getHeight() >> layer));
+        }
+
+        private int lerp(double delta, int to, int from) {
+            return (int)(delta * (double)to + (1.0 - delta) * (double)from);
+        }
+
+        @Override
+        public void close() {
+            for (NativeImage nativeImage : this.images) {
+                nativeImage.close();
+            }
+        }
+    }
+}

src/main/java/quimufu/colourful_portals/client/AlphaInterpolationHolder.java

@@ -0,0 +1,8 @@
+package quimufu.colourful_portals.client;
+
+public interface AlphaInterpolationHolder {
+
+    public void colourful_portals$setInterpolateAlpha(boolean interpolateAlpha);
+    public boolean colourful_portals$isInterpolateAlpha();
+
+}

src/main/java/quimufu/colourful_portals/client/CommonPortalFluidRenderer.java

@@ -81,10 +81,10 @@ public class CommonPortalFluidRenderer {
                 }
                 calcSquishedUVs(axis, 1.f - offsetInSquishedDir, offsetInSquishedDir, direction, (amount & 1) == 1);
             } else {
-                uIu2IvIv2[0] = sprite.getFrameU(0.);
-                uIu2IvIv2[1] = sprite.getFrameU(16.);
-                uIu2IvIv2[2] = sprite.getFrameV(0.);
-                uIu2IvIv2[3] = sprite.getFrameV(16.);
+                uIu2IvIv2[0] = sprite.getFrameU(0.F);
+                uIu2IvIv2[1] = sprite.getFrameU(1.F);
+                uIu2IvIv2[2] = sprite.getFrameV(0.F);
+                uIu2IvIv2[3] = sprite.getFrameV(1.F);
 
             }
             drawSide(vertexEater, x, y, z, x2, y2, z2, direction, uIu2IvIv2[0], uIu2IvIv2[2], uIu2IvIv2[1], uIu2IvIv2[3], offset);
@@ -98,53 +98,53 @@ public class CommonPortalFluidRenderer {
         switch (axis) {
             case X -> {
                 if (odd) {
-                    uIu2IvIv2[0] = sprite.getFrameU(0.5 + squishedBottom * 16D);
-                    uIu2IvIv2[1] = sprite.getFrameU(0.5 + squishedTop * 16D);
+                    uIu2IvIv2[0] = sprite.getFrameU(1.F/32.F + squishedBottom);
+                    uIu2IvIv2[1] = sprite.getFrameU(1.F/32.F + squishedTop);
 
                 } else {
-                    uIu2IvIv2[0] = sprite.getFrameU(0. + squishedBottom * 16D);
-                    uIu2IvIv2[1] = sprite.getFrameU(squishedTop * 16D);
+                    uIu2IvIv2[0] = sprite.getFrameU(0.F + squishedBottom);
+                    uIu2IvIv2[1] = sprite.getFrameU(squishedTop);
                 }
-                uIu2IvIv2[2] = sprite.getFrameV(0.);
-                uIu2IvIv2[3] = sprite.getFrameV(16.);
+                uIu2IvIv2[2] = sprite.getFrameV(0.F);
+                uIu2IvIv2[3] = sprite.getFrameV(1.F);
             }
             case Z -> {
                 if (direction.getAxis() == Direction.Axis.Y) {
                     if (odd) {
-                        uIu2IvIv2[2] = sprite.getFrameV(0.5 + squishedBottom * 16D);
-                        uIu2IvIv2[3] = sprite.getFrameV(0.5 + squishedTop * 16D);
+                        uIu2IvIv2[2] = sprite.getFrameV(1.F/32.F + squishedBottom);
+                        uIu2IvIv2[3] = sprite.getFrameV(1.F/32.F + squishedTop);
 
                     } else {
-                        uIu2IvIv2[2] = sprite.getFrameV(squishedBottom * 16D);
-                        uIu2IvIv2[3] = sprite.getFrameV(squishedTop * 16D);
+                        uIu2IvIv2[2] = sprite.getFrameV(squishedBottom);
+                        uIu2IvIv2[3] = sprite.getFrameV(squishedTop);
                     }
-                    uIu2IvIv2[0] = sprite.getFrameU(0.);
-                    uIu2IvIv2[1] = sprite.getFrameU(16.);
+                    uIu2IvIv2[0] = sprite.getFrameU(0.F);
+                    uIu2IvIv2[1] = sprite.getFrameU(1.F);
                 } else {
                     if (odd) {
-                        uIu2IvIv2[0] = sprite.getFrameU(0.5 + squishedBottom * 16D);
-                        uIu2IvIv2[1] = sprite.getFrameU(0.5 + squishedTop * 16D);
+                        uIu2IvIv2[0] = sprite.getFrameU(1.F/32.F + squishedBottom);
+                        uIu2IvIv2[1] = sprite.getFrameU(1.F/32.F + squishedTop);
 
                     } else {
-                        uIu2IvIv2[0] = sprite.getFrameU(squishedBottom * 16D);
-                        uIu2IvIv2[1] = sprite.getFrameU(squishedTop * 16D);
+                        uIu2IvIv2[0] = sprite.getFrameU(squishedBottom);
+                        uIu2IvIv2[1] = sprite.getFrameU(squishedTop);
                     }
-                    uIu2IvIv2[2] = sprite.getFrameV(0.);
-                    uIu2IvIv2[3] = sprite.getFrameV(16.);
+                    uIu2IvIv2[2] = sprite.getFrameV(0.F);
+                    uIu2IvIv2[3] = sprite.getFrameV(1.F);
 
                 }
             }
             case Y -> {
                 if (odd) {
-                    uIu2IvIv2[2] = sprite.getFrameV(0.5 + squishedBottom * 16D);
-                    uIu2IvIv2[3] = sprite.getFrameV(0.5 + squishedTop * 16D);
+                    uIu2IvIv2[2] = sprite.getFrameV(1.F/32.F + squishedBottom);
+                    uIu2IvIv2[3] = sprite.getFrameV(1.F/32.F + squishedTop);
 
                 } else {
-                    uIu2IvIv2[2] = sprite.getFrameV(squishedBottom * 16D);
-                    uIu2IvIv2[3] = sprite.getFrameV(squishedTop * 16D);
+                    uIu2IvIv2[2] = sprite.getFrameV(squishedBottom);
+                    uIu2IvIv2[3] = sprite.getFrameV(squishedTop);
                 }
-                uIu2IvIv2[0] = sprite.getFrameU(0.);
-                uIu2IvIv2[1] = sprite.getFrameU(16.);
+                uIu2IvIv2[0] = sprite.getFrameU(0.F);
+                uIu2IvIv2[1] = sprite.getFrameU(1.F);
             }
             default -> throw new IllegalStateException("Unexpected value: " + axis);
         }

src/main/java/quimufu/colourful_portals/client/SodiumPortalFluidRenderHandler.java

@@ -5,8 +5,11 @@ import me.jellysquid.mods.sodium.client.model.quad.ModelQuadView;
 import me.jellysquid.mods.sodium.client.model.quad.ModelQuadViewMutable;
 import me.jellysquid.mods.sodium.client.model.quad.properties.ModelQuadFacing;
 import me.jellysquid.mods.sodium.client.model.quad.properties.ModelQuadWinding;
+import me.jellysquid.mods.sodium.client.render.chunk.compile.ChunkBuildBuffers;
 import me.jellysquid.mods.sodium.client.render.chunk.compile.buffers.ChunkModelBuilder;
-import me.jellysquid.mods.sodium.client.render.vertex.type.ChunkVertexEncoder;
+import me.jellysquid.mods.sodium.client.render.chunk.terrain.material.DefaultMaterials;
+import me.jellysquid.mods.sodium.client.render.chunk.terrain.material.Material;
+import me.jellysquid.mods.sodium.client.render.chunk.vertex.format.ChunkVertexEncoder;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.minecraft.client.texture.Sprite;
@@ -25,12 +28,14 @@ public class SodiumPortalFluidRenderHandler implements CommonPortalFluidRenderer
     private final ChunkVertexEncoder.Vertex[] vertices = ChunkVertexEncoder.Vertex.uninitializedQuad();
     private int i;
     private ChunkModelBuilder chunkModelBuilder;
+    private Material material;
 
     public SodiumPortalFluidRenderHandler() {
     }
 
-    public boolean render(BlockRenderView world, FluidState fluidState, BlockPos pos, BlockPos offset, ChunkModelBuilder buffers) {
-        this.chunkModelBuilder = buffers;
+    public boolean render(BlockRenderView world, FluidState fluidState, BlockPos pos, BlockPos offset, ChunkBuildBuffers buffers) {
+        material = DefaultMaterials.forFluidState(fluidState);
+        this.chunkModelBuilder = buffers.get(material);
         return commonPortalFluidRenderer.render(world,fluidState,pos,offset,this);
     }
 
@@ -53,15 +58,14 @@ public class SodiumPortalFluidRenderHandler implements CommonPortalFluidRenderer
 
     @Override
     public void drawQuad(BlockPos offset, Direction direction) {
-        writeQuad(chunkModelBuilder, offset, quad, ModelQuadFacing.fromDirection(direction), ModelQuadWinding.CLOCKWISE);
+        writeQuad(chunkModelBuilder, material, offset, quad, ModelQuadFacing.fromDirection(direction), false);
     }
 
-    private void writeQuad(ChunkModelBuilder builder, BlockPos offset, ModelQuadView quad, ModelQuadFacing facing, ModelQuadWinding winding) {
-        var vertexBuffer = builder.getVertexBuffer();
+    private void writeQuad(ChunkModelBuilder builder, Material material, BlockPos offset, ModelQuadView quad, ModelQuadFacing facing, boolean flip) {
         var vertices = this.vertices;
 
         for (int i = 0; i < 4; i++) {
-            var out = vertices[i];
+            var out = vertices[flip ? 3 - i : i];
             out.x = offset.getX() + quad.getX(i);
             out.y = offset.getY() + quad.getY(i);
             out.z = offset.getZ() + quad.getZ(i);
@@ -77,8 +81,8 @@ public class SodiumPortalFluidRenderHandler implements CommonPortalFluidRenderer
             builder.addSprite(sprite);
         }
 
-        builder.getIndexBuffer(facing)
-                .add(vertexBuffer.push(vertices), winding);
+        var vertexBuffer = builder.getVertexBuffer(facing);
+        vertexBuffer.push(vertices, material);
     }
 
 

src/main/java/quimufu/colourful_portals/mixin/AnimationMixin.java

@@ -0,0 +1,50 @@
+package quimufu.colourful_portals.mixin;
+
+import net.minecraft.client.texture.Animator;
+import net.minecraft.client.texture.SpriteContents;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import quimufu.colourful_portals.client.AlphaBlendingAnimator;
+import quimufu.colourful_portals.client.AlphaInterpolationHolder;
+
+import java.util.List;
+
+@Mixin(targets = "net.minecraft.client.texture.SpriteContents$Animation")
+public class AnimationMixin implements AlphaInterpolationHolder {
+    @Shadow
+    @Final
+    private boolean interpolation;
+
+    @Unique
+    private SpriteContents parent;
+
+    @Unique
+    private boolean interpolateAlpha = false;
+
+    @Inject(method = "<init>", at = @At("RETURN"))
+    public void assignParent(SpriteContents parent, List frames, int frameCount, boolean interpolation, CallbackInfo ci) {
+        this.parent = parent;
+    }
+
+    public void colourful_portals$setInterpolateAlpha(boolean interpolateAlpha) {
+        this.interpolateAlpha = interpolateAlpha;
+    }
+
+    public boolean colourful_portals$isInterpolateAlpha() {
+        return interpolateAlpha;
+    }
+
+    @Inject(at = @At("RETURN"), method = "createAnimator()Lnet/minecraft/client/texture/Animator;", cancellable = true)
+    public void createAnimator(CallbackInfoReturnable<Animator> cir) {
+        if (this.interpolateAlpha && this.interpolation) {
+            cir.setReturnValue(new AlphaBlendingAnimator(parent, (SpriteContents.Animation) (Object) this));
+            cir.cancel();
+        }
+    }
+}

src/main/java/quimufu/colourful_portals/mixin/AnimationResourceMetadataMixin.java

@@ -0,0 +1,20 @@
+package quimufu.colourful_portals.mixin;
+
+import net.minecraft.client.resource.metadata.AnimationResourceMetadata;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import quimufu.colourful_portals.client.AlphaInterpolationHolder;
+
+@Mixin(AnimationResourceMetadata.class)
+public class AnimationResourceMetadataMixin implements AlphaInterpolationHolder {
+
+    @Unique
+    private boolean interpolateAlpha = false;
+    public void colourful_portals$setInterpolateAlpha(boolean interpolateAlpha) {
+        this.interpolateAlpha = interpolateAlpha;
+    }
+    public boolean colourful_portals$isInterpolateAlpha() {
+        return interpolateAlpha;
+    }
+
+}

src/main/java/quimufu/colourful_portals/mixin/AnimationResourceMetadataReaderMixin.java

@@ -0,0 +1,24 @@
+package quimufu.colourful_portals.mixin;
+
+import com.google.gson.JsonObject;
+import net.minecraft.client.resource.metadata.AnimationResourceMetadata;
+import net.minecraft.client.resource.metadata.AnimationResourceMetadataReader;
+import net.minecraft.util.JsonHelper;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import quimufu.colourful_portals.client.AlphaInterpolationHolder;
+
+@Mixin(AnimationResourceMetadataReader.class)
+public class AnimationResourceMetadataReaderMixin {
+
+    @Inject(at = @At("RETURN"), method = "fromJson(Lcom/google/gson/JsonObject;)Lnet/minecraft/client/resource/metadata/AnimationResourceMetadata;", cancellable = true)
+    void extractInterpolateAlpha(JsonObject jsonObject, CallbackInfoReturnable<AnimationResourceMetadata> cir) {
+        boolean interpolateAlpha = JsonHelper.getBoolean(jsonObject, "interpolateAlpha", false);
+        AnimationResourceMetadata returnValue = cir.getReturnValue();
+        ((AlphaInterpolationHolder)returnValue).colourful_portals$setInterpolateAlpha(interpolateAlpha);
+        cir.setReturnValue(returnValue);
+        cir.cancel();
+    }
+}

src/main/java/quimufu/colourful_portals/mixin/InterpolationMixin.java

@@ -1,37 +0,0 @@
-package quimufu.colourful_portals.mixin;
-
-import net.minecraft.client.texture.NativeImage;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.ModifyVariable;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-@Mixin(targets = "net/minecraft/client/texture/SpriteContents$Interpolation")
-public abstract class InterpolationMixin {
-
-    @Shadow
-    protected abstract int lerp(double delta, int to, int from);
-
-    ThreadLocal<Integer> colourBefore = new ThreadLocal<>();
-    ThreadLocal<Double> delta = new ThreadLocal<>();
-
-    @Redirect(method = "apply", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/texture/NativeImage;setColor(III)V"))
-    private void injected(NativeImage instance, int x, int y, int color) {
-        int alpha = lerp(delta.get(), (color >> 24) & 0xFF, (colourBefore.get() >> 24) & 0xFF);
-
-        instance.setColor(x, y, (alpha << 24) | (color & 0xFFFFFF));
-    }
-
-    @ModifyVariable(method = "apply", at = @At("STORE"), ordinal = 10)
-    private int injected(int x) {
-        colourBefore.set(x);
-        return x;
-    }
-
-    @ModifyVariable(method = "apply", at = @At("STORE"), ordinal = 0)
-    private double injected(double deltaV) {
-        delta.set(deltaV);
-        return deltaV;
-    }
-}

src/main/java/quimufu/colourful_portals/mixin/SodiumFluidRendererMixin.java

@@ -1,13 +1,16 @@
 package quimufu.colourful_portals.mixin;
 
+import me.jellysquid.mods.sodium.client.render.chunk.compile.ChunkBuildBuffers;
 import me.jellysquid.mods.sodium.client.render.chunk.compile.buffers.ChunkModelBuilder;
 import me.jellysquid.mods.sodium.client.render.chunk.compile.pipeline.FluidRenderer;
+import me.jellysquid.mods.sodium.client.world.WorldSlice;
 import net.minecraft.fluid.FluidState;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.BlockRenderView;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 import quimufu.colourful_portals.client.SodiumPortalFluidRenderHandler;
 
@@ -19,10 +22,10 @@ public class SodiumFluidRendererMixin {
     private final SodiumPortalFluidRenderHandler sodiumPortalFluidRenderHandler = new SodiumPortalFluidRenderHandler();
 
     @Inject(at = @At("HEAD"), method = "render", cancellable = true, remap = false)
-    private void init(BlockRenderView world, FluidState fluidState, BlockPos pos, BlockPos offset, ChunkModelBuilder buffers, CallbackInfoReturnable<Boolean> cir) {
+    private void init(WorldSlice world, FluidState fluidState, BlockPos blockPos, BlockPos offset, ChunkBuildBuffers buffers, CallbackInfo ci) {
         if (fluidState.isOf(PORTAL_FLUID)) {
-            cir.setReturnValue(sodiumPortalFluidRenderHandler.render(world, fluidState, pos, offset, buffers));
-            cir.cancel();
+            sodiumPortalFluidRenderHandler.render(world, fluidState, blockPos, offset, buffers);
+            ci.cancel();
         }
     }
 }

src/main/java/quimufu/colourful_portals/mixin/SpriteContentsMixin.java

@@ -0,0 +1,51 @@
+package quimufu.colourful_portals.mixin;
+
+import net.minecraft.client.resource.metadata.AnimationResourceMetadata;
+import net.minecraft.client.texture.SpriteContents;
+import net.minecraft.client.texture.SpriteDimensions;
+import net.minecraft.resource.metadata.ResourceMetadata;
+import org.jetbrains.annotations.Nullable;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import quimufu.colourful_portals.client.AlphaInterpolationHolder;
+
+@Mixin(SpriteContents.class)
+public abstract class SpriteContentsMixin {
+
+    @Unique
+    private final ThreadLocal<Boolean> redirect = ThreadLocal.withInitial(() -> true);
+
+    @Shadow
+    @Final
+    @Nullable
+    private SpriteContents.@Nullable Animation animation;
+
+    @Shadow
+    public abstract boolean isPixelTransparent(int frame, int x, int y);
+
+    @Inject(at = @At("RETURN"), method = "createAnimation(Lnet/minecraft/client/texture/SpriteDimensions;IILnet/minecraft/client/resource/metadata/AnimationResourceMetadata;)Lnet/minecraft/client/texture/SpriteContents$Animation;", cancellable = true)
+    void passInterpolateAlpha(SpriteDimensions dimensions, int imageWidth, int imageHeight, AnimationResourceMetadata metadata, CallbackInfoReturnable<AlphaInterpolationHolder> cir) {
+        AlphaInterpolationHolder returnValue = cir.getReturnValue();
+        if (returnValue != null) {
+            returnValue.colourful_portals$setInterpolateAlpha(((AlphaInterpolationHolder) metadata).colourful_portals$isInterpolateAlpha());
+            cir.setReturnValue(returnValue);
+            cir.cancel();
+        }
+    }
+
+    @Inject(at = @At("RETURN"), method = "isPixelTransparent(III)Z", cancellable = true)
+    void correctIsPixelTransparent(int frame, int x, int y, CallbackInfoReturnable<Boolean> cir) {
+        if (redirect.get() && animation != null && ((AlphaInterpolationHolder) animation).colourful_portals$isInterpolateAlpha()) {
+            redirect.set(false);
+            cir.setReturnValue(this.isPixelTransparent(frame, x, y) || this.isPixelTransparent(frame + 1, x, y));
+            redirect.set(true);
+            cir.cancel();
+        }
+    }
+
+}

src/main/java/quimufu/colourful_portals/portal/PortalManager.java

@@ -202,7 +202,7 @@ public class PortalManager {
             }
         }
         if (outgoingPortals.isEmpty()) {
-            Portal portal = Portal.entityType.create(fromPortalWorld);
+            Portal portal = Portal.ENTITY_TYPE.create(fromPortalWorld);
             if (portal == null) {
                 LOGGER.error("could not create Portal entity for  {}", fromPortal);
                 return;

src/main/java/quimufu/colourful_portals/portal_fluid/PortalFluidBlock.java

@@ -2,6 +2,7 @@ package quimufu.colourful_portals.portal_fluid;
 
 import net.minecraft.block.*;
 import net.minecraft.entity.ai.pathing.NavigationType;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.fluid.FluidState;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
@@ -18,6 +19,7 @@ import net.minecraft.util.shape.VoxelShapes;
 import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldAccess;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Collections;
 import java.util.List;
@@ -116,7 +118,7 @@ public class PortalFluidBlock
     }
 
     @Override
-    public ItemStack tryDrainFluid(WorldAccess world, BlockPos pos, BlockState state) {
+    public ItemStack tryDrainFluid(PlayerEntity player, WorldAccess world, BlockPos pos, BlockState state) {
         if (state.getFluidState().get(PortalFluid.AMOUNT) == 16) {
             world.setBlockState(pos, Blocks.AIR.getDefaultState(), Block.NOTIFY_ALL | Block.REDRAW_ON_MAIN_THREAD);
             return new ItemStack(this.fluid.getBucketItem());
@@ -126,6 +128,7 @@ public class PortalFluidBlock
         return ItemStack.EMPTY;
     }
 
+
     @Override
     public Optional<SoundEvent> getBucketFillSound() {
         return fluid.getBucketFillSound();

src/main/java/quimufu/colourful_portals/portal_fluid/PortalFluidBucketItem.java

@@ -35,7 +35,7 @@ public class PortalFluidBucketItem extends BucketItem {
             BlockPos pos = blockHitResult.getBlockPos();
             BlockState blockState = world.getBlockState(pos);
             Block block = blockState.getBlock();
-            if (block instanceof FluidFillable && ((FluidFillable) block).canFillWithFluid(world, pos, blockState, fluid)) {
+            if (block instanceof FluidFillable && ((FluidFillable) block).canFillWithFluid(user, world, pos, blockState, fluid)) {
                 if (placeFluid(user, world, pos, blockHitResult)) {
                     return TypedActionResult.success(BucketItem.getEmptiedStack(itemStack, user), world.isClient());
                 }
@@ -63,7 +63,7 @@ public class PortalFluidBucketItem extends BucketItem {
         Block block = blockState.getBlock();
         boolean shouldTryPlace = blockState.isAir()
                 || blockState.canBucketPlace(this.fluid)
-                || block instanceof FluidFillable && ((FluidFillable) block).canFillWithFluid(world, pos, blockState, this.fluid);
+                || block instanceof FluidFillable && ((FluidFillable) block).canFillWithFluid(player, world, pos, blockState, this.fluid);
         if (!shouldTryPlace) {
             return hitResult != null && this.placeFluid(player, world, hitResult.getBlockPos().offset(hitResult.getSide()), null);
         }

src/main/resources/assets/colourful_portals/textures/block/portal_block_black.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_blue.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_brown.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_cyan.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_gray.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_green.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_light_blue.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_light_gray.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_lime.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_magenta.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_orange.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_pink.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_purple.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_red.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_white.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_block_yellow.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/assets/colourful_portals/textures/block/portal_still.png.mcmeta

@@ -1,6 +1,7 @@
 {
   "animation": {
     "interpolate": true,
-    "frametime": 12
+    "frametime": 12,
+    "interpolateAlpha": true
   }
 }

src/main/resources/colourful_portals.accesswidener

@@ -0,0 +1,14 @@
+accessWidener v2 named
+extendable class net/minecraft/client/texture/SpriteContents$Animation
+accessible class net/minecraft/client/texture/SpriteContents$AnimationFrame
+extendable class net/minecraft/client/texture/SpriteContents$Interpolation
+accessible field net/minecraft/client/texture/SpriteContents$AnimationFrame time I
+accessible field net/minecraft/client/texture/SpriteContents$Animation frames Ljava/util/List;
+accessible field net/minecraft/client/texture/SpriteContents$AnimationFrame index I
+accessible method net/minecraft/client/texture/SpriteContents$Animation upload (III)V
+accessible method net/minecraft/client/texture/SpriteContents$Interpolation apply (IILnet/minecraft/client/texture/SpriteContents$AnimatorImpl;)V
+accessible class net/minecraft/client/texture/SpriteContents$AnimatorImpl
+accessible field net/minecraft/client/texture/SpriteContents mipmapLevelsImages [Lnet/minecraft/client/texture/NativeImage;
+accessible method net/minecraft/client/texture/SpriteContents upload (IIII[Lnet/minecraft/client/texture/NativeImage;)V
+accessible method net/minecraft/client/texture/SpriteContents$Animation getFrameX (I)I
+accessible method net/minecraft/client/texture/SpriteContents$Animation getFrameY (I)I

src/main/resources/colourful_portals.mixins.json

@@ -10,7 +10,10 @@
   },
   "plugin": "quimufu.colourful_portals.MixinConfig",
   "client": [
-    "InterpolationMixin",
+    "AnimationResourceMetadataReaderMixin",
+    "AnimationMixin",
+    "AnimationResourceMetadataMixin",
+    "SpriteContentsMixin",
     "SodiumFluidRendererMixin"
   ]
 }

src/main/resources/fabric.mod.json

@@ -34,16 +34,15 @@
       "colourful_portals:portal_candidate_list"
     ],
     "sodium:options": {
-      "mixin.features.texture_updates": false
     }
   },
+  "accessWidener" : "colourful_portals.accesswidener",
   "mixins": [
     "colourful_portals.mixins.json"
   ],
   "depends": {
     "fabricloader": ">=${loader_version}",
-    "imm_ptl_core": ">=${immersive_portals_version_short}",
-    "q_misc_util": ">=${immersive_portals_version_short}",
+    "immersive_portals": ">=${immersive_portals_version_short}",
     "minecraft": "~${minecraft_version}",
     "java": ">=17",
     "fabric-api": "*"