Redstone-Modifier for bows and similar!

src/main/java/tconstruct/modifiers/tools/ModWindup.java

@@ -0,0 +1,82 @@
+package tconstruct.modifiers.tools;
+
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import tconstruct.library.tools.ToolCore;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class ModWindup extends ModRedstone {
+    public ModWindup(int effect, ItemStack[] items, int[] values) {
+        super(effect, items, values);
+    }
+
+    public boolean validType (ToolCore tool)
+    {
+        List list = Arrays.asList(tool.getTraits());
+        return list.contains("windup");
+    }
+
+    @Override
+    protected boolean canModify(ItemStack tool, ItemStack[] input) {
+        if(!super.canModify(tool, input))
+            return false;
+
+        float drawSSpeed = tool.getTagCompound().getCompoundTag("InfiTool").getFloat("DrawSpeed");
+        return drawSSpeed > 0.25f * 20f; // can't get below 1/4s
+    }
+
+    @Override
+    public void modify (ItemStack[] input, ItemStack tool)
+    {
+        NBTTagCompound tags = tool.getTagCompound().getCompoundTag("InfiTool");
+        int[] keyPair;
+        int increase = matchingAmount(input);
+        int current = 0;
+        if (tags.hasKey(key))
+        {
+            keyPair = tags.getIntArray(key);
+            if (keyPair[0] % max == 0)
+            {
+                keyPair[0] += increase;
+                keyPair[1] += max;
+                tags.setIntArray(key, keyPair);
+
+                int modifiers = tags.getInteger("Modifiers");
+                modifiers -= 1;
+                tags.setInteger("Modifiers", modifiers);
+            }
+            else
+            {
+                keyPair[0] += increase;
+                tags.setIntArray(key, keyPair);
+            }
+            current = keyPair[0];
+            updateModTag(tool, keyPair);
+        }
+        else
+        {
+            int modifiers = tags.getInteger("Modifiers");
+            modifiers -= 1;
+            tags.setInteger("Modifiers", modifiers);
+            String modName = "\u00a74Redstone (" + increase + "/" + max + ")";
+            int tooltipIndex = addToolTip(tool, tooltipName, modName);
+            keyPair = new int[] { increase, max, tooltipIndex };
+            current = keyPair[0];
+            tags.setIntArray(key, keyPair);
+        }
+
+        // 0.005 reduction per second, numbers are in ticks -> 0.10 == 0.005s
+        float boost = 0.10f * current;
+        // with added bonus for multiple modifiers of redstone
+        // so every 50 redstone you get a bonus speed
+        for(int i = 0; i < current/50; i++)
+            boost += 2.0f;
+
+        int baseDrawSpeed = tags.getInteger("BaseDrawSpeed");
+        int drawSpeed = baseDrawSpeed - (int)boost;
+        tags.setInteger("DrawSpeed", drawSpeed);
+    }
+}