@SideOnly(Side.CLIENT)

Ya i got a bit lazy way back when this was required. Hope this fixes any
issues with mods calling my code server side and crashing.

src/dark/fluid/client/ClientProxy.java

@@ -3,6 +3,8 @@ package dark.fluid.client;
 import net.minecraftforge.client.MinecraftForgeClient;
 import cpw.mods.fml.client.registry.ClientRegistry;
 import cpw.mods.fml.client.registry.RenderingRegistry;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import dark.fluid.client.render.BlockRenderHelper;
 import dark.fluid.client.render.ItemRenderHelper;
 import dark.fluid.client.render.RenderConstructionPump;
@@ -20,7 +22,7 @@ import dark.fluid.common.pipes.TileEntityGenericPipe;
 import dark.fluid.common.pipes.TileEntityPipe;
 import dark.fluid.common.pump.TileEntityConstructionPump;
 import dark.fluid.common.pump.TileEntityStarterPump;
-
+@SideOnly(Side.CLIENT)
 public class ClientProxy extends CommonProxy
 {
     @Override

src/dark/fluid/client/model/ModelCenterTank.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelCenterTank extends ModelBase
 {
 

src/dark/fluid/client/model/ModelCornerTank.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelCornerTank extends ModelBase
 {
     //Corner

src/dark/fluid/client/model/ModelEngine.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelEngine extends ModelBase
 {
     //fields

src/dark/fluid/client/model/ModelFurnace.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelFurnace extends ModelBase
 {
     //fields

src/dark/fluid/client/model/ModelGearPiston.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelGearPiston extends ModelBase
 {
     //fields

src/dark/fluid/client/model/ModelGenerator.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelGenerator extends ModelBase
 {
     //fields

src/dark/fluid/client/model/ModelLargePipe.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelLargePipe extends ModelBase
 {
     // fields

src/dark/fluid/client/model/ModelLiquidTank.java

@@ -6,11 +6,13 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
 import net.minecraft.tileentity.TileEntity;
 import dark.fluid.common.machines.TileEntityTank;
-
+@SideOnly(Side.CLIENT)
 public class ModelLiquidTank extends ModelBase
 {
     // fields

src/dark/fluid/client/model/ModelLiquidTankCorner.java

@@ -1,8 +1,10 @@
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelLiquidTankCorner extends ModelBase
 {
     // fields

src/dark/fluid/client/model/ModelPump.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelPump extends ModelBase
 {
     // fields

src/dark/fluid/client/model/ModelReleaseValve.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelReleaseValve extends ModelBase
 {
 

src/dark/fluid/client/model/ModelSink.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelSink extends ModelBase
 {
     // fields

src/dark/fluid/client/model/ModelTank.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelTank extends ModelBase
 {
     //One Block Tank

src/dark/fluid/client/model/ModelTankSide.java

@@ -6,9 +6,11 @@
 
 package dark.fluid.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelTankSide extends ModelBase
 {
 
@@ -126,7 +128,7 @@ public class ModelTankSide extends ModelBase
      * @param right - "" to the right
      * @param bot - "" to the bot
      * @param top - "" to the top
-     * 
+     *
      * Not this only renders one side of the block. You will need to rotate it to face another
      * direction then render it. If rotating up or down you will need to translate it a bit */
     public void render(float size, boolean left, boolean right, boolean bot, boolean top)

src/dark/fluid/client/render/RenderBoiler.java

@@ -5,6 +5,9 @@ import net.minecraft.util.ResourceLocation;
 
 import org.lwjgl.opengl.GL11;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import dark.core.client.renders.RenderMachine;
 import dark.core.prefab.helpers.ConnectionHelper;
 import dark.fluid.client.model.ModelCenterTank;
@@ -12,7 +15,7 @@ import dark.fluid.client.model.ModelCornerTank;
 import dark.fluid.client.model.ModelTank;
 import dark.fluid.common.FluidMech;
 import dark.fluid.common.machines.TileEntityBoiler;
-
+@SideOnly(Side.CLIENT)
 public class RenderBoiler extends RenderMachine
 {
     int type = 0;

src/dark/fluid/client/render/RenderFurnace.java

@@ -5,10 +5,13 @@ import net.minecraft.util.ResourceLocation;
 
 import org.lwjgl.opengl.GL11;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import dark.core.client.renders.RenderMachine;
 import dark.fluid.client.model.ModelFurnace;
 import dark.fluid.common.FluidMech;
-
+@SideOnly(Side.CLIENT)
 public class RenderFurnace extends RenderMachine
 {
     int type = 0;

src/dark/fluid/client/render/RenderGearPiston.java

@@ -5,11 +5,14 @@ import net.minecraft.util.ResourceLocation;
 
 import org.lwjgl.opengl.GL11;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import dark.core.client.renders.RenderMachine;
 import dark.fluid.client.model.ModelGearPiston;
 import dark.fluid.common.FluidMech;
 import dark.fluid.common.machines.TileEntitySteamPiston;
-
+@SideOnly(Side.CLIENT)
 public class RenderGearPiston extends RenderMachine
 {
     private ModelGearPiston model;

src/dark/fluid/common/FluidMech.java

@@ -148,7 +148,7 @@ public class FluidMech extends ModPrefab
             fmWaste = new Fluid(WASTE_FLUID_NAME).setUnlocalizedName("fluid.waste.name").setDensity(1300).setViscosity(1800);
             FluidRegistry.registerFluid(fmWaste);
             waste = FluidRegistry.getFluid(WASTE_FLUID_NAME);
-            if(waste == null)
+            if (waste == null)
             {
                 waste = fmWaste;
             }
@@ -170,7 +170,7 @@ public class FluidMech extends ModPrefab
             FluidRegistry.registerFluid(fmOil);
             oil = FluidRegistry.getFluid(OIL_FLUID_NAME);
 
-            if(oil == null)
+            if (oil == null)
             {
                 oil = fmOil;
             }

src/dark/fluid/common/machines/BlockBoiler.java

@@ -2,6 +2,9 @@ package dark.fluid.common.machines;
 
 import java.util.List;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.item.ItemStack;
@@ -38,13 +41,13 @@ public class BlockBoiler extends BlockFM
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return -1;

src/dark/fluid/common/machines/BlockFluid.java

@@ -1,5 +1,7 @@
 package dark.fluid.common.machines;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IconRegister;
 import net.minecraft.util.Icon;
@@ -20,7 +22,7 @@ public class BlockFluid extends BlockFluidFinite
 
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public void registerIcons(IconRegister par1IconRegister)
     {
         this.flowing = par1IconRegister.registerIcon(FluidMech.instance.PREFIX + this.getUnlocalizedName().replace("tile.", "") + "_flowing");
@@ -28,7 +30,7 @@ public class BlockFluid extends BlockFluidFinite
         fluid.setIcons(still, flowing);
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public Icon getIcon(int par1, int par2)
     {
         return still;

src/dark/fluid/common/machines/BlockReleaseValve.java

@@ -2,6 +2,9 @@ package dark.fluid.common.machines;
 
 import java.util.Random;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
@@ -38,13 +41,13 @@ public class BlockReleaseValve extends BlockFM
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return -1;

src/dark/fluid/common/machines/BlockSink.java

@@ -1,5 +1,7 @@
 package dark.fluid.common.machines;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
@@ -78,13 +80,13 @@ public class BlockSink extends BlockFM
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.renderID;

src/dark/fluid/common/machines/BlockSteamPiston.java

@@ -2,6 +2,9 @@ package dark.fluid.common.machines;
 
 import java.util.Random;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.tileentity.TileEntity;
@@ -40,13 +43,13 @@ public class BlockSteamPiston extends BlockFM
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return -1;

src/dark/fluid/common/machines/BlockTank.java

@@ -2,6 +2,9 @@ package dark.fluid.common.machines;
 
 import java.util.List;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.entity.player.EntityPlayer;
@@ -35,13 +38,13 @@ public class BlockTank extends BlockFM
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
-    @Override
+    @Override @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.renderID;

src/dark/fluid/common/pipes/BlockPipe.java

@@ -2,6 +2,9 @@ package dark.fluid.common.pipes;
 
 import java.util.List;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.creativetab.CreativeTabs;
@@ -34,6 +37,7 @@ public class BlockPipe extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
@@ -46,6 +50,7 @@ public class BlockPipe extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return -1;

src/dark/fluid/common/pump/BlockConstructionPump.java

@@ -2,6 +2,9 @@ package dark.fluid.common.pump;
 
 import java.util.List;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IconRegister;
 import net.minecraft.creativetab.CreativeTabs;
@@ -34,6 +37,7 @@ public class BlockConstructionPump extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public void registerIcons(IconRegister par1IconRegister)
     {
         this.blockIcon = par1IconRegister.registerIcon(FluidMech.instance.PREFIX + "ironMachineSide");
@@ -42,6 +46,7 @@ public class BlockConstructionPump extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public Icon getBlockTexture(IBlockAccess world, int x, int y, int z, int side)
     {
         TileEntity entity = world.getBlockTileEntity(x, y, z);
@@ -68,6 +73,7 @@ public class BlockConstructionPump extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
@@ -80,6 +86,7 @@ public class BlockConstructionPump extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.instance.renderID;

src/dark/fluid/common/pump/BlockPumpMachine.java

@@ -9,6 +9,8 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.MovingObjectPosition;
 import net.minecraft.world.World;
 import net.minecraftforge.common.ForgeDirection;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import dark.fluid.client.render.BlockRenderHelper;
 import dark.fluid.common.BlockFM;
 import dark.fluid.common.FluidMech;
@@ -30,12 +32,14 @@ public class BlockPumpMachine extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.renderID;

src/dark/mech/client/model/ModelGearRod.java

@@ -6,9 +6,11 @@
 
 package dark.mech.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-
+@SideOnly(Side.CLIENT)
 public class ModelGearRod extends ModelBase
 {
     // fields

src/dark/mech/client/model/ModelGenerator.java

@@ -6,10 +6,12 @@
 
 package dark.mech.client.model;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
 import net.minecraft.tileentity.TileEntity;
-
+@SideOnly(Side.CLIENT)
 public class ModelGenerator extends ModelBase
 {
     // fields

src/dark/mech/client/render/RenderGearRod.java

@@ -5,8 +5,11 @@ import net.minecraft.tileentity.TileEntity;
 
 import org.lwjgl.opengl.GL11;
 
-import dark.mech.client.model.ModelGearRod;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
+import dark.mech.client.model.ModelGearRod;
+@SideOnly(Side.CLIENT)
 public class RenderGearRod extends TileEntitySpecialRenderer
 {
     private ModelGearRod model;

src/dark/mech/client/render/RenderGenerator.java

@@ -5,8 +5,11 @@ import net.minecraft.tileentity.TileEntity;
 
 import org.lwjgl.opengl.GL11;
 
-import dark.mech.client.model.ModelGenerator;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
+import dark.mech.client.model.ModelGenerator;
+@SideOnly(Side.CLIENT)
 public class RenderGenerator extends TileEntitySpecialRenderer
 {
     int type = 0;

src/dark/mech/common/machines/BlockGenerator.java

@@ -2,6 +2,9 @@ package dark.mech.common.machines;
 
 import java.util.ArrayList;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
@@ -67,12 +70,14 @@ public class BlockGenerator extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.renderID;

src/dark/mech/common/machines/BlockRod.java

@@ -1,5 +1,7 @@
 package dark.mech.common.machines;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.block.material.Material;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
@@ -87,12 +89,14 @@ public class BlockRod extends BlockFM
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public boolean renderAsNormalBlock()
     {
         return false;
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getRenderType()
     {
         return BlockRenderHelper.renderID;