Add ray tracing for cable parts again

src/main/java/com/raoulvdberge/refinedstorage/RSUtils.java

@@ -7,6 +7,8 @@ import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.fluid.FluidStorageNBT;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.item.ItemStorageNBT;
 import io.netty.buffer.ByteBuf;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.Items;
 import net.minecraft.inventory.IInventory;
 import net.minecraft.inventory.ISidedInventory;
@@ -17,6 +19,10 @@ import net.minecraft.nbt.NBTTagList;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.NonNullList;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
 import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.fluids.Fluid;
 import net.minecraftforge.fluids.FluidRegistry;
@@ -35,6 +41,7 @@ import javax.annotation.Nullable;
 import java.math.RoundingMode;
 import java.text.DecimalFormat;
 import java.text.DecimalFormatSymbols;
+import java.util.Collection;
 import java.util.List;
 import java.util.Locale;
 import java.util.function.Function;
@@ -276,4 +283,78 @@ public final class RSUtils {
 
         return String.valueOf(qty);
     }
+
+    private static class AdvancedRayTraceResultBase<T extends RayTraceResult> {
+        public final AxisAlignedBB bounds;
+        public final T hit;
+
+        public AdvancedRayTraceResultBase(T mop, AxisAlignedBB bounds) {
+
+            this.hit = mop;
+            this.bounds = bounds;
+        }
+
+        public boolean valid() {
+            return hit != null && bounds != null;
+        }
+
+        public double squareDistanceTo(Vec3d vec) {
+            return hit.hitVec.squareDistanceTo(vec);
+        }
+    }
+
+    public static class AdvancedRayTraceResult extends AdvancedRayTraceResultBase<RayTraceResult> {
+        public AdvancedRayTraceResult(RayTraceResult mop, AxisAlignedBB bounds) {
+            super(mop, bounds);
+        }
+    }
+
+    public static Vec3d getStart(EntityPlayer player) {
+        return new Vec3d(player.posX, player.posY + player.getEyeHeight(), player.posZ);
+    }
+
+    public static Vec3d getEnd(EntityPlayer player) {
+        double reachDistance = player instanceof EntityPlayerMP ? ((EntityPlayerMP) player).interactionManager.getBlockReachDistance() : (player.capabilities.isCreativeMode ? 5.0D : 4.5D);
+
+        Vec3d lookVec = player.getLookVec();
+        Vec3d start = getStart(player);
+
+        return start.addVector(lookVec.xCoord * reachDistance, lookVec.yCoord * reachDistance, lookVec.zCoord * reachDistance);
+    }
+
+    public static AdvancedRayTraceResult collisionRayTrace(BlockPos pos, Vec3d start, Vec3d end, Collection<AxisAlignedBB> boxes) {
+        double minDistance = Double.POSITIVE_INFINITY;
+        AdvancedRayTraceResult hit = null;
+        int i = -1;
+
+        for (AxisAlignedBB aabb : boxes) {
+            AdvancedRayTraceResult result = aabb == null ? null : collisionRayTrace(pos, start, end, aabb, i, null);
+
+            if (result != null) {
+                double d = result.squareDistanceTo(start);
+                if (d < minDistance) {
+                    minDistance = d;
+                    hit = result;
+                }
+            }
+
+            i++;
+        }
+
+        return hit;
+    }
+
+    public static AdvancedRayTraceResult collisionRayTrace(BlockPos pos, Vec3d start, Vec3d end, AxisAlignedBB bounds, int subHit, Object hitInfo) {
+        RayTraceResult result = bounds.offset(pos).calculateIntercept(start, end);
+
+        if (result == null) {
+            return null;
+        }
+
+        result = new RayTraceResult(RayTraceResult.Type.BLOCK, result.hitVec, result.sideHit, pos);
+        result.subHit = subHit;
+        result.hitInfo = hitInfo;
+
+        return new AdvancedRayTraceResult(result, bounds);
+    }
 }

src/main/java/com/raoulvdberge/refinedstorage/block/BlockCable.java

@@ -1,5 +1,6 @@
 package com.raoulvdberge.refinedstorage.block;
 
+import com.raoulvdberge.refinedstorage.RSUtils;
 import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.tile.TileCable;
 import net.minecraft.block.properties.PropertyBool;
@@ -164,12 +165,9 @@ public class BlockCable extends BlockNode {
 
     @Override
     public RayTraceResult collisionRayTrace(IBlockState state, World world, BlockPos pos, Vec3d start, Vec3d end) {
-        // @TODO
-        /*RayTraceUtils.AdvancedRayTraceResult result = RayTraceUtils.collisionRayTrace(world, pos, start, end, getCollisionBoxes(this.getActualState(state, world, pos)));
+        RSUtils.AdvancedRayTraceResult result = RSUtils.collisionRayTrace(pos, start, end, getCollisionBoxes(this.getActualState(state, world, pos)));
 
         return result != null ? result.hit : null;
-        */
-        return null;
     }
 
     @Override

src/main/java/com/raoulvdberge/refinedstorage/proxy/ProxyClient.java

@@ -3,6 +3,7 @@ package com.raoulvdberge.refinedstorage.proxy;
 import com.raoulvdberge.refinedstorage.RS;
 import com.raoulvdberge.refinedstorage.RSBlocks;
 import com.raoulvdberge.refinedstorage.RSItems;
+import com.raoulvdberge.refinedstorage.RSUtils;
 import com.raoulvdberge.refinedstorage.block.*;
 import com.raoulvdberge.refinedstorage.gui.GuiCraftingPreview;
 import com.raoulvdberge.refinedstorage.gui.grid.GuiCraftingStart;
@@ -15,6 +16,7 @@ import com.raoulvdberge.refinedstorage.tile.TileController;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.client.renderer.VertexBuffer;
 import net.minecraft.client.renderer.block.model.ModelBakery;
@@ -42,6 +44,8 @@ import net.minecraftforge.fml.common.eventhandler.EventPriority;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.fml.common.gameevent.PlayerEvent;
 
+import java.util.List;
+
 public class ProxyClient extends ProxyCommon {
     @Override
     public void preInit(FMLPreInitializationEvent e) {
@@ -290,13 +294,11 @@ public class ProxyClient extends ProxyCommon {
 
         state = ((BlockCable) state.getBlock()).getActualState(state, player.getEntityWorld(), pos);
 
-        // @TODO
-        /*if (((BlockCable) state.getBlock()).collisionRayTrace(state, player.getEntityWorld(), pos, RayTraceUtils.getStart(player), RayTraceUtils.getEnd(player)) instanceof PartMOP) {
+        if (((BlockCable) state.getBlock()).collisionRayTrace(state, player.getEntityWorld(), pos, RSUtils.getStart(player), RSUtils.getEnd(player)) == null) {
             return;
-        }*/
-        return;
+        }
 
-        /*List<AxisAlignedBB> unionized = ((BlockCable) state.getBlock()).getUnionizedCollisionBoxes(state);
+        List<AxisAlignedBB> unionized = ((BlockCable) state.getBlock()).getUnionizedCollisionBoxes(state);
         List<AxisAlignedBB> nonUnionized = ((BlockCable) state.getBlock()).getNonUnionizedCollisionBoxes(state);
 
         e.setCanceled(true);
@@ -304,7 +306,7 @@ public class ProxyClient extends ProxyCommon {
         GlStateManager.enableBlend();
         GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
         GlStateManager.color(0.0F, 0.0F, 0.0F, 0.4F);
-        GL11.glLineWidth(2.0F);
+        GlStateManager.glLineWidth(2.0F);
         GlStateManager.disableTexture2D();
         GlStateManager.depthMask(false);
 
@@ -326,7 +328,7 @@ public class ProxyClient extends ProxyCommon {
 
         GlStateManager.depthMask(true);
         GlStateManager.enableTexture2D();
-        GlStateManager.disableBlend();*/
+        GlStateManager.disableBlend();
     }
 
     private void drawSelectionBoundingBox(AxisAlignedBB aabb) {