perf: watch/boundary items (TESR models and textures reused, single tile lookups, aura packet length check)

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

src/main/java/com/pengu/thaumcraft/additions/gui/GUICondensator.java

@@ -12,6 +12,8 @@ import org.lwjgl.opengl.GL11;
 
 public class GUICondensator extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guicondenser.png");
+
    private TileOldCondensator mw;
 
 
@@ -23,7 +25,7 @@ public class GUICondensator extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guicondenser.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       int i = this.mw.getProgressScaled(36);
       GL11.glPushMatrix();

src/main/java/com/pengu/thaumcraft/additions/gui/GUIDarkGenerator.java

@@ -12,6 +12,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIDarkGenerator extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guidarkgen.png");
+
    private TileDarkGen mw;
 
 
@@ -23,7 +25,7 @@ public class GUIDarkGenerator extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guidarkgen.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       this.drawTexturedModalRect(this.guiLeft + 84, this.guiTop + 44, 192, this.mw.getWorldObj().getMoonPhase() * 8, 8, 8);
       this.drawTexturedModalRect(this.guiLeft + 84 - 4, this.guiTop + 44 - 20, 176, LightUtil.getLightValue(this.mw.getWorldObj(), this.mw.xCoord, this.mw.yCoord, this.mw.zCoord) * 16, 16, 16);

src/main/java/com/pengu/thaumcraft/additions/gui/GUIDarkInfuser.java

@@ -12,6 +12,8 @@ import net.minecraft.util.StatCollector;
 
 public class GUIDarkInfuser extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guidarkinfuser.png");
+
    private TileDarkInfuser mw;
 
 
@@ -23,7 +25,7 @@ public class GUIDarkInfuser extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guidarkinfuser.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       int i;
       if(this.mw.cookTime > 0) {

src/main/java/com/pengu/thaumcraft/additions/gui/GUIHyperNodeCreator.java

@@ -11,6 +11,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIHyperNodeCreator extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guihypernodecreator.png");
+
    private TileHyperNodeCreator mw;
 
 
@@ -22,7 +24,7 @@ public class GUIHyperNodeCreator extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guihypernodecreator.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
    }
 

src/main/java/com/pengu/thaumcraft/additions/gui/GUIInfuser.java

@@ -10,6 +10,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIInfuser extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guiinfuser.png");
+
    private TileInfuser mw;
 
 
@@ -21,7 +23,7 @@ public class GUIInfuser extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guiinfuser.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       if(this.mw.cookTime > 0) {
          int i = this.mw.getCookProgressScaled(47);

src/main/java/com/pengu/thaumcraft/additions/gui/GUISealGlobe.java

@@ -14,6 +14,8 @@ import net.minecraft.world.World;
 
 public class GUISealGlobe extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guicrystalball.png");
+
    private World world;
    private int x;
    private int y;
@@ -35,7 +37,7 @@ public class GUISealGlobe extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guicrystalball.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       if(this.dir == EnumRise.UP) {
          this.color += 4.210651F;

src/main/java/com/pengu/thaumcraft/additions/gui/GUIThaumicCrystallizer.java

@@ -10,6 +10,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIThaumicCrystallizer extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guicrystalizer.png");
+
    private TileThaumCrystallizer mw;
 
 
@@ -21,7 +23,7 @@ public class GUIThaumicCrystallizer extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guicrystalizer.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       int i = this.mw.getCookProgressScaled(47);
       this.drawTexturedModalRect(this.guiLeft + 160, this.guiTop + 105 + 47 - i, 176, 47 - i, 9, i);

src/main/java/com/pengu/thaumcraft/additions/gui/GUIThaumicGenerator.java

@@ -10,6 +10,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIThaumicGenerator extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guigenerator.png");
+
    private TileThaumicGenerator mw;
 
 
@@ -21,7 +23,7 @@ public class GUIThaumicGenerator extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guigenerator.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       int i = this.mw.amount * 47 / this.mw.maxAmount;
       this.drawTexturedModalRect(this.guiLeft + 47, this.guiTop + 22 + 47 - i, 102, 47 - i, 9, i);

src/main/java/com/pengu/thaumcraft/additions/gui/GUIThaumicRestorer.java

@@ -11,6 +11,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIThaumicRestorer extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guirepairer.png");
+
    private TileThaumicRestorer res;
 
 
@@ -22,7 +24,7 @@ public class GUIThaumicRestorer extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guirepairer.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
       int i = this.res.tick * 31 / 5;
       this.drawTexturedModalRect(this.guiLeft + 135, this.guiTop + 16 + 31 - i, 176, 31 - i, 7, i);

src/main/java/com/pengu/thaumcraft/additions/gui/GUIVoidChest.java

@@ -9,6 +9,8 @@ import net.minecraft.util.ResourceLocation;
 
 public class GUIVoidChest extends GuiContainer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/gui/guivoidchest.png");
+
    private TileVoidChest mw;
 
 
@@ -20,7 +22,7 @@ public class GUIVoidChest extends GuiContainer {
    }
 
    public void drawGuiContainerBackgroundLayer(float p_146976_1_, int p_146976_2_, int p_146976_3_) {
-      Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/gui/guivoidchest.png"));
+      Minecraft.getMinecraft().getTextureManager().bindTexture(TEXTURE);
       this.drawTexturedModalRect(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize);
    }
 

src/main/java/com/pengu/thaumcraft/additions/piping/TileVisTube.java

@@ -58,8 +58,9 @@ public class TileVisTube extends TileThaumcraft implements IMultiBlockPart, ITub
             x = this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(fd);
             y = this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(fd);
             z = this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(fd);
-            if(this.worldObj.getTileEntity(x, y, z) instanceof ITubeConnectable) {
-               ITubeConnectable tube = (ITubeConnectable)this.worldObj.getTileEntity(x, y, z);
+            TileEntity neighbour = this.worldObj.getTileEntity(x, y, z); // read once per side
+            if(neighbour instanceof ITubeConnectable) {
+               ITubeConnectable tube = (ITubeConnectable)neighbour;
                this.connectivity.put(fd, Boolean.valueOf(tube.canConnect(fd.getOpposite())));
                if(((Boolean)this.connectivity.get(fd)).booleanValue()) {
                   this.connectivityExtended.put(fd, Boolean.valueOf(tube.shouldExtendRenderingForTubes(fd.getOpposite())));
@@ -71,8 +72,8 @@ public class TileVisTube extends TileThaumcraft implements IMultiBlockPart, ITub
                this.connectivityExtended.put(fd, Boolean.valueOf(false));
             }
 
-            if(this.worldObj.getTileEntity(x, y, z) instanceof ITubable) {
-               ITubable var12 = (ITubable)this.worldObj.getTileEntity(x, y, z);
+            if(neighbour instanceof ITubable) {
+               ITubable var12 = (ITubable)neighbour;
                if(var12.canConnect(fd.getOpposite()) && !(var12 instanceof TileVisTube)) {
                   if(var12.canAccept(fd.getOpposite(), MagicType.VIS) && this.ejectVis(MagicType.VIS, var12.acceptVis(MagicType.VIS, this.grid.vis, fd.getOpposite()), fd) > 0) {
                      ;
@@ -95,7 +96,8 @@ public class TileVisTube extends TileThaumcraft implements IMultiBlockPart, ITub
             x = this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(fd);
             y = this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(fd);
             z = this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(fd);
-            TileVisTube var13 = this.world().getTileEntity(x, y, z) instanceof TileVisTube?(TileVisTube)this.world().getTileEntity(x, y, z):null;
+            TileEntity neighbour = this.world().getTileEntity(x, y, z);
+            TileVisTube var13 = neighbour instanceof TileVisTube?(TileVisTube)neighbour:null;
             if(var13 != null && var13.canConnect(fd.getOpposite())) {
                VisGrid grid0 = this.grid;
                VisGrid grid1 = var13.grid;

src/main/java/com/pengu/thaumcraft/additions/playnet/packtetmng/PacketAuraVis.java

@@ -2,7 +2,6 @@ package com.pengu.thaumcraft.additions.playnet.packtetmng;
 
 import com.pengu.api.thaumicadditions.enums.EnumAT;
 import com.pengu.thaumcraft.additions.utils.hud.HUD;
-import cpw.mods.fml.common.FMLLog;
 import cpw.mods.fml.common.network.simpleimpl.IMessage;
 import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
 import cpw.mods.fml.common.network.simpleimpl.MessageContext;
@@ -16,59 +15,68 @@ public class PacketAuraVis implements IMessage, IMessageHandler<PacketAuraVis, I
 
 
    public void setData(EnumAT[] aspects, int[] amounts) {
-      this.aspects = aspects;
-      this.amts = amounts;
+      this.aspects = aspects;
+      this.amts = amounts;
    }
 
    public IMessage onMessage(PacketAuraVis message, MessageContext ctx) {
-      try {
-         FMLLog.info("Received!", new Object[0]);
-
-         for(int i = 0; i < Math.min(message.aspects.length, message.amts.length); ++i) {
-            HUD.currentAspects.aspects.put(Aspect.getAspect(message.aspects[i].getAspect()), Integer.valueOf(message.amts[i]));
-         }
-      } catch (Throwable var4) {
-         ;
-      }
-
-      return null;
+      try {
+         for(int i = 0; i < Math.min(message.aspects.length, message.amts.length); ++i) {
+            HUD.currentAspects.aspects.put(Aspect.getAspect(message.aspects[i].getAspect()), Integer.valueOf(message.amts[i]));
+         }
+      } catch (Throwable var4) {
+         ;
+      }
+
+      return null;
    }
 
    public void fromBytes(ByteBuf buf) {
-      this.amts = new int[buf.readInt()];
-
-      int i;
-      for(i = 0; i < this.amts.length; ++i) {
-         this.amts[i] = buf.readInt();
-      }
-
-      this.aspects = new EnumAT[buf.readInt()];
-
-      for(i = 0; i < this.aspects.length; ++i) {
-         this.aspects[i] = EnumAT.getFrom(buf.readInt());
-      }
-
+      this.amts = new int[checkedLength(buf)];
+
+      int i;
+      for(i = 0; i < this.amts.length; ++i) {
+         this.amts[i] = buf.readInt();
+      }
+
+      this.aspects = new EnumAT[checkedLength(buf)];
+
+      for(i = 0; i < this.aspects.length; ++i) {
+         this.aspects[i] = EnumAT.getFrom(buf.readInt());
+      }
+
+   }
+
+   // Each element is one int: a count larger than what is left in the packet is malformed
+   // (it used to size the array straight from the wire).
+   private static int checkedLength(ByteBuf buf) {
+      int n = buf.readInt();
+      if(n < 0 || n > buf.readableBytes() / 4) {
+         throw new IllegalArgumentException("bad aura packet length " + n);
+      }
+
+      return n;
    }
 
    public void toBytes(ByteBuf buf) {
-      buf.writeInt(this.amts.length);
-      int[] var2 = this.amts;
-      int var3 = var2.length;
-
-      int var4;
-      for(var4 = 0; var4 < var3; ++var4) {
-         int a = var2[var4];
-         buf.writeInt(a);
-      }
-
-      buf.writeInt(this.aspects.length);
-      EnumAT[] var6 = this.aspects;
-      var3 = var6.length;
-
-      for(var4 = 0; var4 < var3; ++var4) {
-         EnumAT var7 = var6[var4];
-         buf.writeInt(var7.id);
-      }
-
+      buf.writeInt(this.amts.length);
+      int[] var2 = this.amts;
+      int var3 = var2.length;
+
+      int var4;
+      for(var4 = 0; var4 < var3; ++var4) {
+         int a = var2[var4];
+         buf.writeInt(a);
+      }
+
+      buf.writeInt(this.aspects.length);
+      EnumAT[] var6 = this.aspects;
+      var3 = var6.length;
+
+      for(var4 = 0; var4 < var3; ++var4) {
+         EnumAT var7 = var6[var4];
+         buf.writeInt(var7.id);
+      }
+
    }
 }

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererDarkGen.java

@@ -10,16 +10,19 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererDarkGen extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/models/DarkGen.png");
+   private final ModelDarkGen modelDarkGen = new ModelDarkGen(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      ResourceLocation textures = new ResourceLocation("thaumicadditions", "textures/models/DarkGen.png");
+      ResourceLocation textures = TEXTURE;
       Minecraft.getMinecraft().renderEngine.bindTexture(textures);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
-      (new ModelDarkGen()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, false);
+      this.modelDarkGen.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, false);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererHyperNodeCreator.java

@@ -11,16 +11,20 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererHyperNodeCreator extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE_PRIMALS = new ResourceLocation("thaumicadditions", "textures/models/HyperNodeCreator_primals.png");
+   private static final ResourceLocation TEXTURE_ALL = new ResourceLocation("thaumicadditions", "textures/models/HyperNodeCreator_all.png");
+   private final ModelHyperNodeCreator modelHyperNodeCreator = new ModelHyperNodeCreator(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      ResourceLocation textures = new ResourceLocation("thaumicadditions", "textures/models/HyperNodeCreator_" + (((TileHyperNodeCreator)te).primalsOnly?"primals":"all") + ".png");
+      ResourceLocation textures = ((TileHyperNodeCreator)te).primalsOnly ? TEXTURE_PRIMALS : TEXTURE_ALL;
       Minecraft.getMinecraft().renderEngine.bindTexture(textures);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
-      (new ModelHyperNodeCreator()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, ((TileHyperNodeCreator)te).node);
+      this.modelHyperNodeCreator.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, ((TileHyperNodeCreator)te).node);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererInfuser.java

@@ -13,15 +13,21 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererInfuser extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TOP = new ResourceLocation("thaumicadditions", "textures/models/InfuserTop.png");
+   private static final ResourceLocation TOP_DARK = new ResourceLocation("thaumicadditions", "textures/models/InfuserTopDark.png");
+   private static final ResourceLocation SYMBOL = new ResourceLocation("thaumicadditions", "textures/models/infusersymbol.png");
+   private static final ResourceLocation SYMBOL_DARK = new ResourceLocation("thaumicadditions", "textures/models/darkinfusersymbol.png");
+   private final ModelTileInfuser modelTileInfuser = new ModelTileInfuser(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/InfuserTop" + (te instanceof TileDarkInfuser?"Dark":"") + ".png"));
+      Minecraft.getMinecraft().renderEngine.bindTexture((te instanceof TileDarkInfuser ? TOP_DARK : TOP));
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
-      (new ModelTileInfuser()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, false);
+      this.modelTileInfuser.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, false);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();
@@ -33,7 +39,7 @@ public class RendererInfuser extends TileEntitySpecialRenderer {
             GL11.glTranslatef((float)x, (float)y + 0.5F - 0.2185F, (float)z);
          }
 
-         Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/infusersymbol.png"));
+         Minecraft.getMinecraft().renderEngine.bindTexture(SYMBOL);
          if(inf.cookTime > 0) {
             GL11.glTranslatef((float)x + 0.5F, (float)y + 0.5F - 0.2185F, (float)z + 0.5F);
             GL11.glRotatef((float)Minecraft.getSystemTime() % 3600.0F / 10.0F, 0.0F, 1.0F, 0.0F);
@@ -50,7 +56,7 @@ public class RendererInfuser extends TileEntitySpecialRenderer {
             GL11.glTranslatef((float)x, (float)y + 0.5F - 0.2185F, (float)z);
          }
 
-         Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/darkinfusersymbol.png"));
+         Minecraft.getMinecraft().renderEngine.bindTexture(SYMBOL_DARK);
          if(inf1.cookTime + inf1.cookTimeTaint > 0) {
             GL11.glTranslatef((float)x + 0.5F, (float)y + 0.5F - 0.2185F, (float)z + 0.5F);
             GL11.glRotatef((float)Minecraft.getSystemTime() % 3600.0F / 10.0F, 0.0F, 1.0F, 0.0F);

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererInfuserActivator.java

@@ -13,10 +13,14 @@ import thaumcraft.client.renderers.item.ItemWandRenderer;
 
 public class RendererInfuserActivator extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/models/InfuserActivator.png");
+   private final ModelInfuserActivator modelInfuserActivator = new ModelInfuserActivator(); // one instance (each new one also compiled fresh display lists)
+   private final ItemWandRenderer wandRenderer = new ItemWandRenderer();
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      ResourceLocation textures = new ResourceLocation("thaumicadditions", "textures/models/InfuserActivator.png");
+      ResourceLocation textures = TEXTURE;
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
@@ -28,13 +32,13 @@ public class RendererInfuserActivator extends TileEntitySpecialRenderer {
       float rot = te instanceof TileInfuserActivator?(float)((TileInfuserActivator)te).beforeclick:0.0F;
       rot = -rot;
       GL11.glTranslatef(0.0F, 1.4F + rot / 360.0F, 0.0F);
-      (new ItemWandRenderer()).renderItem(ItemRenderType.ENTITY, ((TileInfuserActivator)te).wandstack, new Object[0]);
+      this.wandRenderer.renderItem(ItemRenderType.ENTITY, ((TileInfuserActivator)te).wandstack, new Object[0]);
       GL11.glColor3f(1.0F, 1.0F, 1.0F);
       GL11.glEnable(2896);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       Minecraft.getMinecraft().renderEngine.bindTexture(textures);
-      (new ModelInfuserActivator()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
+      this.modelInfuserActivator.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererSeal.java

@@ -12,6 +12,10 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererSeal extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation SEAL = new ResourceLocation("thaumicadditions", "textures/models/seal.png");
+   private static final ResourceLocation SEAL_OVER = new ResourceLocation("thaumicadditions", "textures/models/seal_over.png");
+   private final ModelSeal modelSeal = new ModelSeal(); // one instance (each new one also compiled fresh display lists)
+
    ResourceLocation f0 = new ResourceLocation("thaumicadditions", "textures/blocks/seal_/s_0.png");
    ResourceLocation f1 = new ResourceLocation("thaumicadditions", "textures/blocks/seal_/s_1.png");
    ResourceLocation f2 = new ResourceLocation("thaumicadditions", "textures/blocks/seal_/s_2.png");
@@ -38,14 +42,14 @@ public class RendererSeal extends TileEntitySpecialRenderer {
             GL11.glTranslatef(1.0F / (ori == 5?256.0F:-256.0F), 2.32F, 0.0F);
          }
 
-         this.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/seal.png"));
-         (new ModelSeal()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
-         this.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/seal_over.png"));
+         this.bindTexture(SEAL);
+         this.modelSeal.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
+         this.bindTexture(SEAL_OVER);
          float r0 = (float)(((TileSeal)te).color >> 16 & 255) / 255.0F;
          float g0 = (float)(((TileSeal)te).color >> 8 & 255) / 255.0F;
          float b0 = (float)(((TileSeal)te).color & 255) / 255.0F;
          GL11.glColor3f(r0, g0, b0);
-         (new ModelSeal()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
+         this.modelSeal.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
          GL11.glPopMatrix();
          GL11.glPushMatrix();
          float r1;
@@ -58,7 +62,7 @@ public class RendererSeal extends TileEntitySpecialRenderer {
             b1 = (float)(((TileSeal)te).f.getType().getColor() & 255) / 255.0F;
             GL11.glPushMatrix();
             GL11.glColor3f(r1, g1, b1);
-            (new ModelSeal()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
+            this.modelSeal.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
             GL11.glPopMatrix();
          }
 
@@ -69,7 +73,7 @@ public class RendererSeal extends TileEntitySpecialRenderer {
             b1 = (float)(((TileSeal)te).s.getType().getColor() & 255) / 255.0F;
             GL11.glPushMatrix();
             GL11.glColor3f(r1, g1, b1);
-            (new ModelSeal()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
+            this.modelSeal.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
             GL11.glPopMatrix();
          }
 
@@ -80,7 +84,7 @@ public class RendererSeal extends TileEntitySpecialRenderer {
             b1 = (float)(((TileSeal)te).t.getType().getColor() & 255) / 255.0F;
             GL11.glPushMatrix();
             GL11.glColor3f(r1, g1, b1);
-            (new ModelSeal()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
+            this.modelSeal.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getBlockMetadata() < 6?ForgeDirection.OPPOSITES[te.getBlockMetadata()]:0);
             GL11.glPopMatrix();
          }
 

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererSymboller.java

@@ -11,16 +11,19 @@ import thaumcraft.common.tiles.TileJarFillable;
 
 public class RendererSymboller extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/models/TileSealSymboller.png");
+   private final ModelTileSealSymboller modelTileSealSymboller = new ModelTileSealSymboller(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float floatt) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      ResourceLocation textures = new ResourceLocation("thaumicadditions", "textures/models/TileSealSymboller.png");
+      ResourceLocation textures = TEXTURE;
       Minecraft.getMinecraft().renderEngine.bindTexture(textures);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
-      (new ModelTileSealSymboller()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getWorldObj().getTileEntity(te.xCoord, te.yCoord + 1, te.zCoord) != null && te.getWorldObj().getTileEntity(te.xCoord, te.yCoord + 1, te.zCoord) instanceof TileJarFillable);
+      this.modelTileSealSymboller.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, te.getWorldObj().getTileEntity(te.xCoord, te.yCoord + 1, te.zCoord) instanceof TileJarFillable);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererTankBasic.java

@@ -14,10 +14,18 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererTankBasic extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation[] LIQUID_FRAMES = new ResourceLocation[16];
+   static {
+      for(int i = 0; i < LIQUID_FRAMES.length; ++i) {
+         LIQUID_FRAMES[i] = new ResourceLocation("thaumicadditions", "textures/models/TankLiquid/" + i + ".png");
+      }
+   }
+   private final ModelTankFill modelTankFill = new ModelTankFill(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float floatt) {
       GL11.glPushMatrix();
       GL11.glTranslated(x + 0.5D, y + 0.001D, z + 0.5D);
-      Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/TankLiquid/" + (int)(Minecraft.getSystemTime() % 1600L / 100L) + ".png"));
+      Minecraft.getMinecraft().renderEngine.bindTexture(LIQUID_FRAMES[(int)(Minecraft.getSystemTime() % 1600L / 100L)]);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
@@ -29,7 +37,7 @@ public class RendererTankBasic extends TileEntitySpecialRenderer {
          Color mesh = ColorUtil.blend(new Color(VisGrid.visColor), new Color(VisGrid.taintColor));
          GL11.glColor3f((float)mesh.getRed() / 255.0F, (float)mesh.getGreen() / 255.0F, (float)mesh.getBlue() / 255.0F);
          if(storedTot > 0.0F) {
-            (new ModelTankFill()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
+            this.modelTankFill.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
          }
       }
 

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererThaumicCrystallizer.java

@@ -2,7 +2,6 @@ package com.pengu.thaumcraft.additions.renderer;
 
 import com.pengu.thaumcraft.additions.init.All;
 import com.pengu.thaumcraft.additions.tileentity.TileThaumCrystallizer;
-import java.awt.Color;
 import java.util.Random;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.entity.EntityClientPlayerMP;
@@ -18,6 +17,8 @@ import thaumcraft.common.config.ConfigItems;
 
 public class RendererThaumicCrystallizer extends TileEntitySpecialRenderer {
 
+   private final ModelCrystal crystal = new ModelCrystal(); // one instance (each new one also compiled a fresh display list)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       if(te instanceof TileThaumCrystallizer) {
          TileThaumCrystallizer t = (TileThaumCrystallizer)te;
@@ -200,10 +201,9 @@ public class RendererThaumicCrystallizer extends TileEntitySpecialRenderer {
    private void drawCrystal(int ori, float x, float y, float z, float a1, float a2, Random rand, int color, float id) {
       EntityClientPlayerMP p = Minecraft.getMinecraft().thePlayer;
       float shade = MathHelper.sin((float)p.ticksExisted % (9.0E16F + id * 16.0F)) * 0.025F + 0.825F;
-      Color c = new Color(color);
-      float r = (float)c.getRed() / 220.0F;
-      float g = (float)c.getGreen() / 220.0F;
-      float b = (float)c.getBlue() / 220.0F;
+      float r = (float)(color >> 16 & 255) / 220.0F;
+      float g = (float)(color >> 8 & 255) / 220.0F;
+      float b = (float)(color & 255) / 220.0F;
       GL11.glPushMatrix();
       GL11.glEnable(2977);
       GL11.glEnable(3042);
@@ -218,7 +218,7 @@ public class RendererThaumicCrystallizer extends TileEntitySpecialRenderer {
       int var21 = var19 / 65536;
       OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var20 / 1.0F, (float)var21 / 1.0F);
       GL11.glColor4f(r, g, b, 1.0F);
-      (new ModelCrystal()).render();
+      this.crystal.render();
       GL11.glScalef(1.0F, 1.0F, 1.0F);
       GL11.glDisable('\u803a');
       GL11.glDisable(3042);

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererThaumicGenerator.java

@@ -11,16 +11,19 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererThaumicGenerator extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/models/ThaumicGenerator.png");
+   private final ModelThaumicGenerator modelThaumicGenerator = new ModelThaumicGenerator(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      ResourceLocation textures = new ResourceLocation("thaumicadditions", "textures/models/ThaumicGenerator.png");
+      ResourceLocation textures = TEXTURE;
       Minecraft.getMinecraft().renderEngine.bindTexture(textures);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
-      (new ModelThaumicGenerator()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, ((TileThaumicGenerator)te).emitPowerFromSidesListedHere);
+      this.modelThaumicGenerator.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F, ((TileThaumicGenerator)te).emitPowerFromSidesListedHere);
       GL11.glPopMatrix();
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/renderer/RendererThaumicRestorer.java

@@ -10,16 +10,19 @@ import org.lwjgl.opengl.GL11;
 
 public class RendererThaumicRestorer extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation TEXTURE = new ResourceLocation("thaumicadditions", "textures/models/ThaumicRestorer.png");
+   private final ModelThaumicRestorer modelThaumicRestorer = new ModelThaumicRestorer(); // one instance (each new one also compiled fresh display lists)
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float par1float) {
       GL11.glPushMatrix();
       GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
-      Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation("thaumicadditions", "textures/models/ThaumicRestorer.png"));
+      Minecraft.getMinecraft().renderEngine.bindTexture(TEXTURE);
       GL11.glPushMatrix();
       GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
       GL11.glPushMatrix();
       GL11.glRotatef(0.0F, 0.0F, 1.0F, 0.0F);
       GL11.glDisable(2896);
-      (new ModelThaumicRestorer()).render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
+      this.modelThaumicRestorer.render((Entity)null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
       GL11.glEnable(2896);
       GL11.glPopMatrix();
       GL11.glPopMatrix();

src/main/java/com/pengu/thaumcraft/additions/tileentity/TileRendererCreativeNode.java

@@ -1,7 +1,6 @@
 package com.pengu.thaumcraft.additions.tileentity;
 
 import com.pengu.thaumcraft.additions.tileentity.TileCreativeNode;
-import java.util.Calendar;
 import java.util.Random;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.Tessellator;
@@ -14,13 +13,19 @@ import org.lwjgl.opengl.GL11;
 
 public class TileRendererCreativeNode extends TileEntitySpecialRenderer {
 
+   private static final ResourceLocation[] AURA = new ResourceLocation[]{new ResourceLocation("thaumicadditions", "textures/models/aura_1.png"), new ResourceLocation("thaumicadditions", "textures/models/aura_2.png")};
+   // Re-seeded per node each frame: setSeed gives the same sequence as new Random(seed)
+   private final Random rnd = new Random();
+
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float floay) {
       boolean wearsRevealer = false;
       ItemStack helmet = Minecraft.getMinecraft().thePlayer.inventory.armorItemInSlot(0);
       if(te instanceof TileCreativeNode) {
          TileCreativeNode tcn = (TileCreativeNode)te;
-         Random rnd = new Random((long)(tcn.getId() + "" + tcn.yCoord).hashCode() ^ 256L);
-         float rot = (float)(Calendar.getInstance().get(14) + rnd.nextInt(1000)) % 1000.0F;
+         Random rnd = this.rnd;
+         rnd.setSeed((long)(tcn.getId() + "" + tcn.yCoord).hashCode() ^ 256L);
+         // millisecond of the current second, as Calendar.getInstance().get(MILLISECOND) gave
+         float rot = (float)((int)(System.currentTimeMillis() % 1000L) + rnd.nextInt(1000)) % 1000.0F;
          boolean prevBlend = GL11.glIsEnabled(3042);
          if(!prevBlend) {
             GL11.glEnable(3042);
@@ -31,7 +36,7 @@ public class TileRendererCreativeNode extends TileEntitySpecialRenderer {
          GL11.glTranslated(x + 0.5D, y + 0.15000000596046448D, z + 0.5D);
          GL11.glEnable('\u803a');
          GL11.glScalef(1.5F, 1.5F, 1.5F);
-         Minecraft.getMinecraft().getTextureManager().bindTexture(new ResourceLocation("thaumicadditions", "textures/models/aura_" + (rnd.nextInt(2) + 1) + ".png"));
+         Minecraft.getMinecraft().getTextureManager().bindTexture(AURA[rnd.nextInt(2)]);
          Tessellator p_77026_1_ = Tessellator.instance;
          float f = 0.0F;
          float f1 = 1.0F;

src/main/java/com/pengu/thaumcraft/additions/tileentity/TileThaumicGenerator.java

@@ -10,11 +10,26 @@ import com.pengu.util.ForgeDirectionHelper;
 import cpw.mods.fml.common.Loader;
 import java.util.ArrayList;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.util.ForgeDirection;
 import thaumcraft.api.TileThaumcraft;
 
 public class TileThaumicGenerator extends TileThaumcraft implements ITubable {
 
+   private static final ForgeDirection[] DIRS = new ForgeDirection[]{ForgeDirection.UP, ForgeDirection.DOWN, ForgeDirection.EAST, ForgeDirection.WEST, ForgeDirection.SOUTH, ForgeDirection.NORTH};
+   private static final boolean BOTANIA_LOADED = Loader.isModLoaded("Botania");
+   private static Botania botania;
+
+   // Botania bridge is stateless: one instance, created only when Botania is loaded
+   private static Botania botania() {
+      if(botania == null) {
+         botania = new Botania();
+      }
+
+      return botania;
+   }
+
+
    public int amount = 0;
    public int maxAmount = 640;
    public DirectionCombo emitPowerFromSidesListedHere;
@@ -25,7 +40,7 @@ public class TileThaumicGenerator extends TileThaumcraft implements ITubable {
    }
 
    public void updateEntity() {
-      ForgeDirection[] dirs = new ForgeDirection[]{ForgeDirection.UP, ForgeDirection.DOWN, ForgeDirection.EAST, ForgeDirection.WEST, ForgeDirection.SOUTH, ForgeDirection.NORTH};
+      ForgeDirection[] dirs = DIRS;
       this.maxAmount = 640;
       ArrayList fd = new ArrayList();
       int i;
@@ -59,31 +74,31 @@ public class TileThaumicGenerator extends TileThaumcraft implements ITubable {
 
       if(this.amount > 1) {
          for(i = 0; i < dirs.length; ++i) {
-            if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) != null) {
-               if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) instanceof IRJReceiver) {
+            // one tile lookup per side (it was read up to nine times)
+            TileEntity te = this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i]));
+            if(te != null) {
+               if(te instanceof IRJReceiver) {
                   fd.add(dirs[i]);
                }
 
-               if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) instanceof IEnergyReceiver) {
+               if(te instanceof IEnergyReceiver) {
                   fd.add(dirs[i]);
                }
 
-               if(Loader.isModLoaded("Botania") && (new Botania()).canConnect(this.worldObj, this.xCoord, this.yCoord, this.zCoord, dirs[i])) {
+               if(BOTANIA_LOADED && botania().canConnect(this.worldObj, this.xCoord, this.yCoord, this.zCoord, dirs[i])) {
                   fd.add(dirs[i]);
                }
-            }
 
-            if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) != null) {
-               if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) instanceof IRJReceiver) {
-                  this.amount -= ((IRJReceiver)this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i]))).receiveRJ(dirs[i], 2000, false) / 1000;
+               if(te instanceof IRJReceiver) {
+                  this.amount -= ((IRJReceiver)te).receiveRJ(dirs[i], 2000, false) / 1000;
                }
 
-               if(this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i])) instanceof IEnergyReceiver) {
-                  this.amount -= ((IEnergyReceiver)this.worldObj.getTileEntity(this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(dirs[i]), this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(dirs[i]), this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(dirs[i]))).receiveEnergy(dirs[i], 2000, false) / 1000;
+               if(te instanceof IEnergyReceiver) {
+                  this.amount -= ((IEnergyReceiver)te).receiveEnergy(dirs[i], 2000, false) / 1000;
                }
 
-               if(Loader.isModLoaded("Botania")) {
-                  this.amount -= (new Botania()).handleManaGen(this.worldObj, this.xCoord, this.yCoord, this.zCoord, dirs[i], 2000) / 100;
+               if(BOTANIA_LOADED) {
+                  this.amount -= botania().handleManaGen(this.worldObj, this.xCoord, this.yCoord, this.zCoord, dirs[i], 2000) / 100;
                }
             }
          }

src/main/java/com/pengu/thaumcraft/additions/tileentity/TileTileBooster.java

@@ -24,8 +24,8 @@ public class TileTileBooster extends TileThaumcraft {
          int x = this.xCoord + ForgeDirectionHelper.getForgeDirectionXApplyed(fd);
          int y = this.yCoord + ForgeDirectionHelper.getForgeDirectionYApplyed(fd);
          int z = this.zCoord + ForgeDirectionHelper.getForgeDirectionZApplyed(fd);
-         TileEntity te = this.worldObj.getTileEntity(x, y, z) != null && !(this.worldObj.getTileEntity(x, y, z) instanceof TileTileBooster)?this.worldObj.getTileEntity(x, y, z):null;
-         if(te != null && te.canUpdate()) {
+         TileEntity te = this.worldObj.getTileEntity(x, y, z); // read once (was up to three times)
+         if(te != null && !(te instanceof TileTileBooster) && te.canUpdate()) {
             for(int i = 0; i < this.speed; ++i) {
                te.updateEntity();
             }