a little gift for future me

src/main/java/com/hbm/inventory/gui/GUIMachineChemicalPlant.java

@@ -4,12 +4,16 @@ import org.lwjgl.opengl.GL11;
 
 import com.hbm.inventory.container.ContainerMachineChemicalPlant;
 import com.hbm.inventory.recipes.ChemicalPlantRecipes;
+import com.hbm.inventory.recipes.loader.GenericRecipe;
 import com.hbm.lib.RefStrings;
 import com.hbm.tileentity.machine.TileEntityMachineChemicalPlant;
 
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.OpenGlHelper;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.entity.player.InventoryPlayer;
+import net.minecraft.inventory.Slot;
+import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.ResourceLocation;
 
 public class GUIMachineChemicalPlant extends GuiInfoContainer {
@@ -35,6 +39,15 @@ public class GUIMachineChemicalPlant extends GuiInfoContainer {
 		}
 		
 		this.drawElectricityInfo(this, mouseX, mouseY, guiLeft + 152, guiTop + 18, 16, 61, chemplant.power, chemplant.maxPower);
+
+		if(guiLeft + 7 <= mouseX && guiLeft + 7 + 18 > mouseX && guiTop + 125 < mouseY && guiTop + 125 + 18 >= mouseY) {
+			if(this.chemplant.chemplantModule.recipe != null && ChemicalPlantRecipes.INSTANCE.recipeNameMap.containsKey(this.chemplant.chemplantModule.recipe)) {
+				GenericRecipe recipe = (GenericRecipe) ChemicalPlantRecipes.INSTANCE.recipeNameMap.get(this.chemplant.chemplantModule.recipe);
+				this.func_146283_a(recipe.print(), mouseX, mouseY);
+			} else {
+				this.drawCreativeTabHoveringText(EnumChatFormatting.YELLOW + "Click to set recipe", mouseX, mouseY);
+			}
+		}
 	}
 	
 	@Override
@@ -61,11 +74,34 @@ public class GUIMachineChemicalPlant extends GuiInfoContainer {
 		int p = (int) (chemplant.power * 61 / chemplant.maxPower);
 		drawTexturedModalRect(guiLeft + 152, guiTop + 79 - p, 176, 61 - p, 16, p);
 
-		if(chemplant.maxProgress > 0) {
-			int j = chemplant.progress * 70 / chemplant.maxProgress;
+		if(chemplant.chemplantModule.progress > 0) {
+			int j = (int) Math.ceil(70 * chemplant.chemplantModule.progress);
 			drawTexturedModalRect(guiLeft + 62, guiTop + 126, 176, 61, j, 16);
 		}
 		
+		GenericRecipe recipe = ChemicalPlantRecipes.INSTANCE.recipeNameMap.get(chemplant.chemplantModule.recipe);
+		this.renderItem(recipe != null ? recipe.getIcon() : TEMPLATE_FOLDER, 8, 126);
+		
+		if(recipe != null && recipe.inputItem != null) {
+			for(int i = 0; i < recipe.inputItem.length; i++) {
+				Slot slot = (Slot) this.inventorySlots.inventorySlots.get(chemplant.chemplantModule.inputSlots[i]);
+				if(!slot.getHasStack()) this.renderItem(recipe.inputItem[i].extractForCyclingDisplay(20), slot.xDisplayPosition, slot.yDisplayPosition, 10F);
+			}
+
+			Minecraft.getMinecraft().getTextureManager().bindTexture(texture);
+			OpenGlHelper.glBlendFunc(770, 771, 1, 0);
+			GL11.glColor4f(1F, 1F, 1F, 0.5F);
+			GL11.glEnable(GL11.GL_BLEND);
+			this.zLevel = 300F;
+			for(int i = 0; i < recipe.inputItem.length; i++) {
+				Slot slot = (Slot) this.inventorySlots.inventorySlots.get(chemplant.chemplantModule.inputSlots[i]);
+				if(!slot.getHasStack()) drawTexturedModalRect(guiLeft + slot.xDisplayPosition, guiTop + slot.yDisplayPosition, slot.xDisplayPosition, slot.yDisplayPosition, 16, 16);
+			}
+			this.zLevel = 0F;
+			GL11.glColor4f(1F, 1F, 1F, 1F);
+			GL11.glDisable(GL11.GL_BLEND);
+		}
+
 		for(int i = 0; i < 3; i++) {
 			chemplant.inputTanks[i].renderTank(guiLeft + 8, guiTop + 52, this.zLevel, 16, 34);
 			chemplant.outputTanks[i].renderTank(guiLeft + 80, guiTop + 52, this.zLevel, 16, 34);

src/main/java/com/hbm/inventory/gui/GUIScreenRecipeSelector.java

@@ -12,13 +12,20 @@ import com.hbm.interfaces.IControlReceiver;
 import com.hbm.inventory.recipes.loader.GenericRecipe;
 import com.hbm.inventory.recipes.loader.GenericRecipes;
 import com.hbm.lib.RefStrings;
+import com.hbm.packet.PacketDispatcher;
+import com.hbm.packet.toserver.NBTControlPacket;
 
 import cpw.mods.fml.common.FMLCommonHandler;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.audio.PositionedSoundRecord;
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.GuiTextField;
 import net.minecraft.client.renderer.RenderHelper;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.ResourceLocation;
 
 public class GUIScreenRecipeSelector extends GuiScreen {
@@ -37,6 +44,7 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 	protected int pageIndex;
 	protected int size;
 	protected String selection;
+	public static final String NULL_SELECTION = "null";
 	// callback
 	protected int index;
 	protected IControlReceiver tile;
@@ -52,6 +60,7 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 		this.selection = selection;
 		this.index = index;
 		this.previousScreen = previousScreen;
+		if(this.selection == null) this.selection = NULL_SELECTION;
 		
 		regenerateRecipes();
 	}
@@ -106,6 +115,40 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 		this.drawGuiContainerForegroundLayer(mouseX, mouseY);
 		GL11.glEnable(GL11.GL_LIGHTING);
 		this.handleScroll();
+
+		if(guiLeft + 7 <= mouseX && guiLeft + 7 + 144 > mouseX && guiTop + 17 < mouseY && guiTop + 17 + 90 >= mouseY) {
+			for(int i = pageIndex * 8; i < pageIndex * 8 + 40; i++) {
+				if(i >= this.recipes.size()) break;
+				
+				int ind = i - pageIndex * 8;
+				int ix = 7 + 18 * (ind % 8);
+				int iy = 17 + 18 * (ind / 8);
+				
+				if(guiLeft + ix <= mouseX && guiLeft + ix + 18 > mouseX && guiTop + iy < mouseY && guiTop + iy + 18 >= mouseY) {
+					GenericRecipe recipe = recipes.get(i);
+					this.func_146283_a(recipe.print(), mouseX, mouseY);
+				}
+			}
+		}
+
+		if(guiLeft + 151 <= mouseX && guiLeft + 151 + 18 > mouseX && guiTop + 71 < mouseY && guiTop + 71 + 18 >= mouseY) {
+			if(this.selection != null && this.recipeSet.recipeNameMap.containsKey(selection)) {
+				GenericRecipe recipe = (GenericRecipe) this.recipeSet.recipeNameMap.get(selection);
+				this.func_146283_a(recipe.print(), mouseX, mouseY);
+			}
+		}
+
+		if(guiLeft + 152 <= mouseX && guiLeft + 152 + 16 > mouseX && guiTop + 90 < mouseY && guiTop + 90 + 16 >= mouseY) {
+			this.drawCreativeTabHoveringText(EnumChatFormatting.YELLOW + "Close", mouseX, mouseY);
+		}
+
+		if(guiLeft + 134 <= mouseX && guiLeft + 134 + 16 > mouseX && guiTop + 108 < mouseY && guiTop + 108 + 16 >= mouseY) {
+			this.drawCreativeTabHoveringText(EnumChatFormatting.YELLOW + "Clear search", mouseX, mouseY);
+		}
+
+		if(guiLeft + 8 <= mouseX && guiLeft + 8 + 16 > mouseX && guiTop + 108 < mouseY && guiTop + 108 + 16 >= mouseY) {
+			this.drawCreativeTabHoveringText(EnumChatFormatting.ITALIC + "Press ENTER to toggle focus", mouseX, mouseY);
+		}
 	}
 	
 	protected void handleScroll() {
@@ -118,7 +161,7 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 	}
 
 	private void drawGuiContainerForegroundLayer(int x, int y) {
-		
+		this.search.drawTextBox();
 	}
 
 	private void drawGuiContainerBackgroundLayer(float f, int mouseX, int mouseY) {
@@ -126,38 +169,148 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 		Minecraft.getMinecraft().getTextureManager().bindTexture(texture);
 		drawTexturedModalRect(guiLeft, guiTop, 0, 0, xSize, ySize);
 		
+		if(this.search.isFocused()) {
+			drawTexturedModalRect(guiLeft + 26, guiTop + 108, 0, 132, 106, 16);
+		}
+		
+		if(guiLeft + 152 <= mouseX && guiLeft + 152 + 16 > mouseX && guiTop + 18 < mouseY && guiTop + 18 + 16 >= mouseY) {
+			drawTexturedModalRect(guiLeft + 152, guiTop + 18, 176, 0, 16, 16);
+		}
+
+		if(guiLeft + 152 <= mouseX && guiLeft + 152 + 16 > mouseX && guiTop + 36 < mouseY && guiTop + 36 + 16 >= mouseY) {
+			drawTexturedModalRect(guiLeft + 152, guiTop + 36, 176, 16, 16, 16);
+		}
+
+		if(guiLeft + 152 <= mouseX && guiLeft + 152 + 16 > mouseX && guiTop + 90 < mouseY && guiTop + 90 + 16 >= mouseY) {
+			drawTexturedModalRect(guiLeft + 152, guiTop + 90, 176, 32, 16, 16);
+		}
+
+		if(guiLeft + 134 <= mouseX && guiLeft + 134 + 16 > mouseX && guiTop + 108 < mouseY && guiTop + 108 + 16 >= mouseY) {
+			drawTexturedModalRect(guiLeft + 134, guiTop + 108, 176, 48, 16, 16);
+		}
+
+		if(guiLeft + 8 <= mouseX && guiLeft + 8 + 16 > mouseX && guiTop + 108 < mouseY && guiTop + 108 + 16 >= mouseY) {
+			drawTexturedModalRect(guiLeft + 8, guiTop + 108, 176, 64, 16, 16);
+		}
+		
+		for(int i = pageIndex * 8; i < pageIndex * 8 + 40; i++) {
+			if(i >= recipes.size()) break;
+			int ind = i - pageIndex * 8;
+			GenericRecipe recipe = recipes.get(i);
+			if(recipe.getInternalName().equals(this.selection)) this.drawTexturedModalRect(guiLeft + 7 + 18 * (ind % 8), guiTop + 17 + 18 * (ind / 8), 192, 0, 18, 18);
+		}
+		
 		for(int i = pageIndex * 8; i < pageIndex * 8 + 40; i++) {
 			if(i >= recipes.size()) break;
 			
 			int ind = i - pageIndex * 8;
-			
-			GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
-			RenderHelper.enableGUIStandardItemLighting();
-			GL11.glDisable(GL11.GL_LIGHTING);
-			GL11.glEnable(GL12.GL_RESCALE_NORMAL);
-			
 			GenericRecipe recipe = recipes.get(i);
 			
-			FontRenderer font = recipe.getIcon().getItem().getFontRenderer(recipe.getIcon());
-			if(font == null) font = fontRendererObj;
-			
-			itemRender.zLevel = 100.0F;
-			itemRender.renderItemAndEffectIntoGUI(font, this.mc.getTextureManager(), recipe.getIcon(), guiLeft + 8 + 18 * (ind % 8), guiTop + 18 + 18 * (ind / 8));
-
-			itemRender.zLevel = 0.0F;
-
-			GL11.glEnable(GL11.GL_ALPHA_TEST);
-			GL11.glDisable(GL11.GL_LIGHTING);
+			this.renderItem(recipe.getIcon(), 8 + 18 * (ind % 8), 18 + 18 * (ind / 8));
 			this.mc.getTextureManager().bindTexture(texture);
+		}
 		
-			if(recipe.name.equals(this.selection))
-				this.drawTexturedModalRect(guiLeft + 7 + 18 * (ind % 8), guiTop + 17 + 18 * (ind / 8), 192, 0, 18, 18);
+		if(this.selection != null && this.recipeSet.recipeNameMap.containsKey(selection)) {
+			GenericRecipe recipe = (GenericRecipe) this.recipeSet.recipeNameMap.get(selection);
+			this.renderItem(recipe.getIcon(), 152, 72);
+		}
+	}
+	
+	public void renderItem(ItemStack stack, int x, int y) {
+		
+		FontRenderer font = stack.getItem().getFontRenderer(stack);
+		if(font == null) font = fontRendererObj;
+		
+		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
+		RenderHelper.enableGUIStandardItemLighting();
+		GL11.glDisable(GL11.GL_LIGHTING);
+		GL11.glEnable(GL12.GL_RESCALE_NORMAL);
+
+		itemRender.zLevel = 100.0F;
+		itemRender.renderItemAndEffectIntoGUI(font, this.mc.getTextureManager(), stack, guiLeft + x, guiTop + y);
+		itemRender.zLevel = 0.0F;
+
+		GL11.glEnable(GL11.GL_ALPHA_TEST);
+		GL11.glDisable(GL11.GL_LIGHTING);
+	}
+	
+	@Override
+	protected void mouseClicked(int x, int y, int k) {
+		super.mouseClicked(x, y, k);
+		
+		this.search.mouseClicked(x, y, k);
+		
+		if(guiLeft + 152 <= x && guiLeft + 152 + 16 > x && guiTop + 18 < y && guiTop + 18 + 16 >= y) {
+			click();
+			if(this.pageIndex > 0) this.pageIndex--;
+			return;
+		}
+
+		if(guiLeft + 152 <= x && guiLeft + 152 + 16 > x && guiTop + 36 < y && guiTop + 36 + 16 >= y) {
+			click();
+			if(this.pageIndex < this.size) this.pageIndex++;
+			return;
+		}
+
+		if(guiLeft + 134 <= x && guiLeft + 134 + 16 > x && guiTop + 108 < y && guiTop + 108 + 16 >= y) {
+			this.search.setText("");
+			this.search("");
+			this.search.setFocused(true);
+			return;
+		}
+
+		for(int i = pageIndex * 8; i < pageIndex * 8 + 40; i++) {
+			if(i >= this.recipes.size()) break;
+			
+			int ind = i - pageIndex * 8;
+			int ix = 7 + 18 * (ind % 8);
+			int iy = 17 + 18 * (ind / 8);
+			
+			if(guiLeft + ix <= x && guiLeft + ix + 18 > x && guiTop + iy < y && guiTop + iy + 18 >= y) {
+				
+				String newSelection = ((GenericRecipe) recipes.get(i)).getInternalName();
+				
+				if(!newSelection.equals(selection))
+					this.selection = newSelection;
+				else
+					this.selection = NULL_SELECTION;
+				
+				NBTTagCompound data = new NBTTagCompound();
+				data.setInteger("index", this.index);
+				data.setString("selection", this.selection);
+				TileEntity te = (TileEntity) tile;
+				PacketDispatcher.wrapper.sendToServer(new NBTControlPacket(data, te.xCoord, te.yCoord, te.zCoord));
+				click();
+				return;
+			}
+		}
+		
+		if(guiLeft + 151 <= x && guiLeft + 151 + 18 > x && guiTop + 71 < y && guiTop + 71 + 18 >= y) {
+			if(!NULL_SELECTION.equals(this.selection)) {
+				this.selection = this.NULL_SELECTION;
+				NBTTagCompound data = new NBTTagCompound();
+				data.setInteger("index", this.index);
+				data.setString("selection", this.selection);
+				TileEntity te = (TileEntity) tile;
+				PacketDispatcher.wrapper.sendToServer(new NBTControlPacket(data, te.xCoord, te.yCoord, te.zCoord));
+				click();
+				return;
+			}
+		}
+
+		if(guiLeft + 152 <= x && guiLeft + 152 + 16 > x && guiTop + 90 < y && guiTop + 90 + 16 >= y) {
+			FMLCommonHandler.instance().showGuiScreen(previousScreen);
 		}
 	}
 
 	@Override
 	protected void keyTyped(char typedChar, int keyCode) {
 		
+		if(keyCode == Keyboard.KEY_RETURN) {
+			this.search.setFocused(!this.search.isFocused());
+			return;
+		}
+		
 		if(this.search.textboxKeyTyped(typedChar, keyCode)) {
 			search(this.search.getText());
 			return;
@@ -168,10 +321,8 @@ public class GUIScreenRecipeSelector extends GuiScreen {
 		}
 	}
 
-	@Override
-	public void onGuiClosed() {
-		Keyboard.enableRepeatEvents(false);
-	}
-
+	@Override public void onGuiClosed() { Keyboard.enableRepeatEvents(false); }
 	@Override public boolean doesGuiPauseGame() { return false; }
+	
+	public void click() { mc.getSoundHandler().playSound(PositionedSoundRecord.func_147674_a(new ResourceLocation("gui.button.press"), 1.0F)); }
 }

src/main/java/com/hbm/inventory/gui/GuiInfoContainer.java

@@ -15,6 +15,7 @@ import net.minecraft.nbt.NBTTagCompound;
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL12;
 
+import com.hbm.items.ModItems;
 import com.hbm.items.machine.ItemMachineUpgrade.UpgradeType;
 import com.hbm.lib.RefStrings;
 import com.hbm.tileentity.IUpgradeInfoProvider;
@@ -161,7 +162,7 @@ public abstract class GuiInfoContainer extends GuiContainer implements INEIGuiHa
 		return this.fontRendererObj;
 	}
 
-
+	/** Draws item with label, excludes all the GL state setup */
 	protected void drawItemStack(ItemStack stack, int x, int y, String label) {
 		GL11.glTranslatef(0.0F, 0.0F, 32.0F);
 		this.zLevel = 200.0F;
@@ -175,6 +176,27 @@ public abstract class GuiInfoContainer extends GuiContainer implements INEIGuiHa
 		itemRender.zLevel = 0.0F;
 	}
 	
+	public static final ItemStack TEMPLATE_FOLDER = new ItemStack(ModItems.template_folder);
+	
+	/** Standardsized item rendering from GUIScreenRecipeSelector */
+	public void renderItem(ItemStack stack, int x, int y) {
+		renderItem(stack, x, y, 100F);
+	}
+	
+	public void renderItem(ItemStack stack, int x, int y, float layer) {
+		FontRenderer font = stack.getItem().getFontRenderer(stack);
+		if(font == null) font = fontRendererObj;
+		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
+		RenderHelper.enableGUIStandardItemLighting();
+		GL11.glDisable(GL11.GL_LIGHTING);
+		GL11.glEnable(GL12.GL_RESCALE_NORMAL);
+		itemRender.zLevel = layer;
+		itemRender.renderItemAndEffectIntoGUI(font, this.mc.getTextureManager(), stack, guiLeft + x, guiTop + y);
+		itemRender.zLevel = 0.0F;
+		GL11.glEnable(GL11.GL_ALPHA_TEST);
+		GL11.glDisable(GL11.GL_LIGHTING);
+	}
+
 	protected void drawStackText(List lines, int x, int y, FontRenderer font) {
 
 		if(!lines.isEmpty()) {

src/main/java/com/hbm/inventory/recipes/loader/GenericRecipe.java

@@ -1,5 +1,7 @@
 package com.hbm.inventory.recipes.loader;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Locale;
 
 import com.hbm.inventory.FluidStack;
@@ -13,10 +15,11 @@ import com.hbm.util.i18n.I18nUtil;
 
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumChatFormatting;
 
 public class GenericRecipe {
 	
-	public String name;
+	protected final String name;
 	public AStack[] inputItem;
 	public FluidStack[] inputFluid;
 	public IOutput[] outputItem;
@@ -62,12 +65,31 @@ public class GenericRecipe {
 		return icon;
 	}
 	
-	public String getName() {
+	public String getInternalName() {
+		return this.name;
+	}
+	
+	public String getLocalizedName() {
 		if(customLocalization) return I18nUtil.resolveKey(name);
 		return this.getIcon().getDisplayName();
 	}
 	
+	public List<String> print() {
+		List<String> list = new ArrayList();
+		list.add(EnumChatFormatting.YELLOW + this.getLocalizedName());
+		list.add(EnumChatFormatting.BOLD + "Input:");
+		if(inputItem != null) for(AStack stack : inputItem) {
+			ItemStack display = stack.extractForCyclingDisplay(20);
+			list.add("  " + EnumChatFormatting.GRAY + display.stackSize + "x " + display.getDisplayName());
+		}
+		if(inputFluid != null) for(FluidStack fluid : inputFluid) list.add("  " + EnumChatFormatting.BLUE + fluid.fill + "mB " + fluid.type.getLocalizedName() + (fluid.pressure == 0 ? "" : "at " + EnumChatFormatting.RED + fluid.pressure + " PU"));
+		list.add(EnumChatFormatting.BOLD + "Output:");
+		if(outputItem != null) for(IOutput output : outputItem) for(String line : output.getLabel()) list.add("  " + line);
+		if(outputFluid != null) for(FluidStack fluid : outputFluid) list.add("  " + EnumChatFormatting.BLUE + fluid.fill + "mB " + fluid.type.getLocalizedName() + (fluid.pressure == 0 ? "" : "at " + EnumChatFormatting.RED + fluid.pressure + " PU"));
+		return list;
+	}
+	
 	public boolean matchesSearch(String substring) {
-		return getName().toLowerCase(Locale.US).contains(substring.toLowerCase(Locale.US));
+		return getLocalizedName().toLowerCase(Locale.US).contains(substring.toLowerCase(Locale.US));
 	}
 }

src/main/java/com/hbm/inventory/recipes/loader/GenericRecipes.java

@@ -14,6 +14,7 @@ import com.hbm.inventory.FluidStack;
 import com.hbm.inventory.RecipesCommon.AStack;
 
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.WeightedRandom;
 
 /**
@@ -157,6 +158,7 @@ public abstract class GenericRecipes<T extends GenericRecipe> extends Serializab
 		public ItemStack collapse();
 		public void serialize(JsonWriter writer) throws IOException;
 		public void deserialize(JsonArray array);
+		public String[] getLabel();
 	}
 	
 	/** A chance output, produces either an ItemStack or null */
@@ -216,6 +218,11 @@ public abstract class GenericRecipes<T extends GenericRecipe> extends Serializab
 				if(array.size() > 2) this.itemWeight = array.get(2).getAsInt();
 			}
 		}
+		
+		@Override
+		public String[] getLabel() {
+			return new String[] {EnumChatFormatting.GRAY + "" + this.stack.stackSize + "x " + this.stack.getDisplayName() + (this.chance >= 1 ? "" : " (" + (int)(this.chance * 1000) / 10F + "%)")};
+		}
 	}
 	
 	/** Multiple choice chance output, produces a ChanceOutput chosen randomly by weight */
@@ -242,5 +249,18 @@ public abstract class GenericRecipes<T extends GenericRecipe> extends Serializab
 				pool.add(output);
 			}
 		}
+		
+		@Override
+		public String[] getLabel() {
+			String[] label = new String[pool.size() + 1];
+			label[0] = "One of:";
+			int totalWeight = WeightedRandom.getTotalWeight(pool);
+			for(int i = 1; i < label.length; i++) {
+				ChanceOutput output = pool.get(i - 1);
+				float chance = (float) output.itemWeight / (float) totalWeight * output.chance;
+				label[i] = "  " + EnumChatFormatting.GRAY + output.stack.stackSize + "x " + output.stack.getDisplayName() + " (" + (int)(chance * 1000F) / 10F + "%)";
+			}
+			return label;
+		}
 	}
 }

src/main/java/com/hbm/module/ModuleMachineChemplant.java

@@ -5,6 +5,8 @@ import com.hbm.inventory.recipes.ChemicalPlantRecipes;
 import com.hbm.inventory.recipes.loader.GenericRecipe;
 
 import api.hbm.energymk2.IEnergyHandlerMK2;
+import cpw.mods.fml.common.network.ByteBufUtils;
+import io.netty.buffer.ByteBuf;
 import net.minecraft.item.ItemStack;
 
 /**
@@ -23,7 +25,7 @@ public class ModuleMachineChemplant {
 	public FluidTank[] inputTanks = new FluidTank[3];
 	public FluidTank[] outputTanks = new FluidTank[3];
 	
-	public String recipe;
+	public String recipe = "null";
 	public float progress;
 
 	public ModuleMachineChemplant(int index, IEnergyHandlerMK2 battery, ItemStack[] slots) {
@@ -45,11 +47,33 @@ public class ModuleMachineChemplant {
 	public void resetProgress() { this.progress = 0F; }
 	
 	public void update() {
+		//TBI
+	}
 	
+	public boolean isItemValid(int slot, ItemStack stack) {
+		GenericRecipe recipe = ChemicalPlantRecipes.INSTANCE.recipeNameMap.get(this.recipe);
+		if(recipe == null) return false;
+		if(recipe.inputItem == null) return false;
+		
+		for(int i = 0; i < Math.min(inputSlots.length, recipe.inputItem.length); i++) {
+			if(recipe.inputItem[i].matchesRecipe(stack, true)) return true;
+		}
+		
+		return false;
 	}
 
 	public ModuleMachineChemplant iInput(int a, int b, int c) { inputSlots[0] = a; inputSlots[1] = b; inputSlots[2] = c; return this; }
 	public ModuleMachineChemplant iOutput(int a, int b, int c) { outputSlots[0] = a; outputSlots[1] = b; outputSlots[2] = c; return this; }
 	public ModuleMachineChemplant fInput(FluidTank a, FluidTank b, FluidTank c) { inputTanks[0] = a; inputTanks[1] = b; inputTanks[2] = c; return this; }
 	public ModuleMachineChemplant fOutput(FluidTank a, FluidTank b, FluidTank c) { outputTanks[0] = a; outputTanks[1] = b; outputTanks[2] = c; return this; }
+	
+	public void serialize(ByteBuf buf) {
+		buf.writeFloat(progress);
+		ByteBufUtils.writeUTF8String(buf, recipe);
+	}
+	
+	public void deserialize(ByteBuf buf) {
+		this.progress = buf.readFloat();
+		this.recipe = ByteBufUtils.readUTF8String(buf);
+	}
 }

src/main/java/com/hbm/tileentity/machine/TileEntityMachineChemicalPlant.java

@@ -10,6 +10,7 @@ import com.hbm.inventory.container.ContainerMachineChemicalPlant;
 import com.hbm.inventory.fluid.Fluids;
 import com.hbm.inventory.fluid.tank.FluidTank;
 import com.hbm.inventory.gui.GUIMachineChemicalPlant;
+import com.hbm.items.machine.ItemMachineUpgrade;
 import com.hbm.items.machine.ItemMachineUpgrade.UpgradeType;
 import com.hbm.lib.Library;
 import com.hbm.module.ModuleMachineChemplant;
@@ -26,6 +27,7 @@ import cpw.mods.fml.relauncher.SideOnly;
 import io.netty.buffer.ByteBuf;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.Container;
+import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.util.EnumChatFormatting;
@@ -38,8 +40,6 @@ public class TileEntityMachineChemicalPlant extends TileEntityMachineBase implem
 	
 	public long power;
 	public long maxPower = 1_000_000;
-	public int progress;
-	public int maxProgress;
 
 	public ModuleMachineChemplant chemplantModule;
 	public UpgradeManagerNT upgradeManager = new UpgradeManagerNT(this);
@@ -85,8 +85,7 @@ public class TileEntityMachineChemicalPlant extends TileEntityMachineBase implem
 		for(FluidTank tank : outputTanks) tank.serialize(buf);
 		buf.writeLong(power);
 		buf.writeLong(maxPower);
-		buf.writeInt(progress);
-		buf.writeInt(maxProgress);
+		this.chemplantModule.serialize(buf);
 	}
 
 	@Override
@@ -96,8 +95,7 @@ public class TileEntityMachineChemicalPlant extends TileEntityMachineBase implem
 		for(FluidTank tank : outputTanks) tank.deserialize(buf);
 		this.power = buf.readLong();
 		this.maxPower = buf.readLong();
-		this.progress = buf.readInt();
-		this.maxProgress = buf.readInt();
+		this.chemplantModule.deserialize(buf);
 	}
 	
 	@Override
@@ -122,6 +120,16 @@ public class TileEntityMachineChemicalPlant extends TileEntityMachineBase implem
 		}
 	}
 
+	@Override
+	public boolean isItemValidForSlot(int slot, ItemStack stack) {
+		if(slot == 0) return true; // battery
+		if(slot >= 2 && slot <= 3 && stack.getItem() instanceof ItemMachineUpgrade) return true; // upgades
+		if(slot >= 10 && slot <= 12) return true; // input fluid
+		if(slot >= 16 && slot <= 18) return true; // output fluid
+		if(this.chemplantModule.isItemValid(slot, stack)) return true; // recipe input crap
+		return false;
+	}
+
 	@Override public long getPower() { return power; }
 	@Override public void setPower(long power) { this.power = power; }
 	@Override public long getMaxPower() { return maxPower; }
@@ -137,7 +145,12 @@ public class TileEntityMachineChemicalPlant extends TileEntityMachineBase implem
 
 	@Override
 	public void receiveControl(NBTTagCompound data) {
-		
+		if(data.hasKey("index") && data.hasKey("selection")) {
+			int index = data.getInteger("index");
+			String selection = data.getString("selection");
+			if(index == 0) this.chemplantModule.recipe = selection;
+			this.markChanged();
+		}
 	}
 	
 	AxisAlignedBB bb = null;