Replace most of the @Inject usages for cancer render with @Redirect

src/launch/java/baritone/launch/mixins/MixinChunkCache.java

@@ -1,58 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import baritone.api.BaritoneAPI;
-import baritone.api.utils.IPlayerContext;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.ChunkCache;
-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;
-
-@Mixin(ChunkCache.class)
-public class MixinChunkCache {
-    @Inject(
-            method = "getBlockState",
-            at = @At("HEAD"),
-            cancellable = true
-    )
-    private void getBlockState(BlockPos pos, CallbackInfoReturnable<IBlockState> ci) {
-        Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-        IPlayerContext ctx = baritone.getPlayerContext();
-        if (ctx.player() != null && ctx.world() != null && baritone.bsi != null && Baritone.settings().renderCachedChunks.get()) {
-            ci.setReturnValue(baritone.bsi.get0(pos));
-        }
-    }
-
-    @Inject(
-            method = "isEmpty",
-            at = @At("HEAD"),
-            cancellable = true
-    )
-    private void isEmpty(CallbackInfoReturnable<Boolean> ci) {
-        Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-        IPlayerContext ctx = baritone.getPlayerContext();
-        if (ctx.player() != null && ctx.world() != null && baritone.bsi != null && Baritone.settings().renderCachedChunks.get()) {
-            ci.setReturnValue(false);
-        }
-    }
-}

src/launch/java/baritone/launch/mixins/MixinChunkRenderContainer.java

@@ -31,6 +31,7 @@ import static org.lwjgl.opengl.GL11.*;
 
 @Mixin(ChunkRenderContainer.class)
 public class MixinChunkRenderContainer {
+
     @Inject(
             method = "preRenderChunk",
             at = @At("HEAD")

src/launch/java/baritone/launch/mixins/MixinChunkRenderWorker.java

@@ -24,23 +24,32 @@ import net.minecraft.client.renderer.chunk.ChunkRenderWorker;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 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.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.spongepowered.asm.mixin.injection.Redirect;
 
 @Mixin(ChunkRenderWorker.class)
-public class MixinChunkRenderWorker {
-    @Inject(
-            method = "isChunkExisting",
-            at = @At("HEAD"),
-            cancellable = true
+public abstract class MixinChunkRenderWorker {
+
+    @Shadow protected abstract boolean isChunkExisting(BlockPos pos, World worldIn);
+
+    @Redirect(
+            method = "processTask",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/client/renderer/chunk/ChunkRenderWorker.isChunkExisting(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/world/World;)Z"
+            )
     )
-    private void isChunkExisting(BlockPos pos, World world, CallbackInfoReturnable<Boolean> ci) {
-        Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-        IPlayerContext ctx = baritone.getPlayerContext();
-        if (ctx.player() != null && ctx.world() != null && baritone.bsi != null && Baritone.settings().renderCachedChunks.get()) {
-            ci.setReturnValue(baritone.bsi.isLoaded(pos.getX(), pos.getZ()));
+    private boolean isChunkExisting(ChunkRenderWorker worker, BlockPos pos, World world) {
+        if (Baritone.settings().renderCachedChunks.get()) {
+            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
+            IPlayerContext ctx = baritone.getPlayerContext();
+            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
+                return baritone.bsi.isLoaded(pos.getX(), pos.getZ());
+            }
         }
+
+        return this.isChunkExisting(pos, world);
     }
 }
 

src/launch/java/baritone/launch/mixins/MixinRenderChunk.java

@@ -0,0 +1,75 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.Baritone;
+import baritone.api.BaritoneAPI;
+import baritone.api.utils.IPlayerContext;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.chunk.RenderChunk;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.ChunkCache;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+/**
+ * @author Brady
+ * @since 1/29/2019
+ */
+@Mixin(RenderChunk.class)
+public class MixinRenderChunk {
+
+    @Redirect(
+            method = "rebuildChunk",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/world/ChunkCache.isEmpty()Z"
+            )
+    )
+    private boolean isEmpty(ChunkCache chunkCache) {
+        if (Baritone.settings().renderCachedChunks.get()) {
+            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
+            IPlayerContext ctx = baritone.getPlayerContext();
+            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
+                return false;
+            }
+        }
+
+        return chunkCache.isEmpty();
+    }
+
+    @Redirect(
+            method = "rebuildChunk",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/world/ChunkCache.getBlockState(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;"
+            )
+    )
+    private IBlockState getBlockState(ChunkCache chunkCache, BlockPos pos) {
+        if (Baritone.settings().renderCachedChunks.get()) {
+            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
+            IPlayerContext ctx = baritone.getPlayerContext();
+            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
+                return baritone.bsi.get0(pos);
+            }
+        }
+
+        return chunkCache.getBlockState(pos);
+    }
+}

src/launch/resources/mixins.baritone.json

@@ -10,7 +10,6 @@
   "client": [
     "MixinAnvilChunkLoader",
     "MixinBlockPos",
-    "MixinChunkCache",
     "MixinChunkProviderClient",
     "MixinChunkProviderServer",
     "MixinChunkRenderContainer",
@@ -23,6 +22,7 @@
     "MixinMinecraft",
     "MixinNetHandlerPlayClient",
     "MixinNetworkManager",
+    "MixinRenderChunk",
     "MixinWorldClient"
   ]
 }