Add ListActions* for json scripts

dynamicspawncontrol-1.12.2/src/main/java/org/imesense/dynamicspawncontrol/technical/customlibrary/ItemStackBuilder.java

@@ -0,0 +1,203 @@
+package org.imesense.dynamicspawncontrol.technical.customlibrary;
+
+/**
+ *
+ */
+public class ItemStackBuilder
+{
+    /**
+     *
+     * @param name
+     * @return
+     */
+    public static Pair<Float, ItemStack> parseStackWithFactor(String name)
+    {
+        int i = 0;
+
+        while (i < name.length() && (Character.isDigit(name.charAt(i)) || name.charAt(i) == '.'))
+        {
+            i++;
+        }
+
+        if (i < name.length() && name.charAt(i) == '=')
+        {
+            String f = name.substring(0, i);
+            float v;
+
+            try
+            {
+                v = Float.parseFloat(f);
+            }
+            catch (NumberFormatException e)
+            {
+                v = 1.0f;
+            }
+
+            return Pair.of(v, parseStack(name.substring(i+1)));
+        }
+
+        return Pair.of(1.0f, parseStack(name));
+    }
+
+    /**
+     *
+     * @param jsonObject
+     * @return
+     */
+    public static Pair<Float, ItemStack> parseStackWithFactor(JsonObject jsonObject)
+    {
+        float factor = 1.0f;
+
+        if (jsonObject.has("factor"))
+        {
+            factor = jsonObject.get("factor").getAsFloat();
+        }
+
+        ItemStack stack = parseStack(jsonObject);
+
+        if (stack == null)
+        {
+            return null;
+        }
+
+        return Pair.of(factor, stack);
+    }
+
+    /**
+     *
+     * @param name
+     * @return
+     */
+    @Nonnull
+    public static ItemStack parseStack(String name)
+    {
+        if (name.contains("/"))
+        {
+            String[] split = StringUtils.split(name, "/");
+            ItemStack stack = parseStackNoNBT(split[0]);
+
+            if (stack.isEmpty())
+            {
+                return stack;
+            }
+
+            NBTTagCompound nbt;
+
+            try
+            {
+                nbt = JsonToNBT.getTagFromJson(split[1]);
+            }
+            catch (NBTException e)
+            {
+                Log.writeDataToLogFile(Log._typeLog[2], "Error parsing NBT in '" + name + "'!");
+                return ItemStack.EMPTY;
+            }
+
+            stack.setTagCompound(nbt);
+            return stack;
+        }
+        else
+        {
+            return parseStackNoNBT(name);
+        }
+    }
+
+    /**
+     *
+     * @param jsonObject
+     * @return
+     */
+    @Nullable
+    public static ItemStack parseStack(JsonObject jsonObject)
+    {
+        if (jsonObject.has("empty"))
+        {
+            return ItemStack.EMPTY;
+        }
+
+        String name = jsonObject.get("item").getAsString();
+        Item item = ForgeRegistries.ITEMS.getValue(new ResourceLocation(name));
+
+        if (item == null)
+        {
+            Log.writeDataToLogFile(Log._typeLog[2], "Unknown item '" + name + "'!");
+            return null;
+        }
+
+        ItemStack stack = new ItemStack(item);
+
+        if (jsonObject.has("damage"))
+        {
+            stack.setItemDamage(jsonObject.get("damage").getAsInt());
+        }
+
+        if (jsonObject.has("count"))
+        {
+            stack.setCount(jsonObject.get("count").getAsInt());
+        }
+
+        if (jsonObject.has("nbt"))
+        {
+            String nbt = jsonObject.get("nbt").toString();
+            NBTTagCompound tag;
+
+            try
+            {
+                tag = JsonToNBT.getTagFromJson(nbt);
+            }
+            catch (NBTException e)
+            {
+                Log.writeDataToLogFile(Log._typeLog[2], "Error parsing json '" + nbt + "'!");
+                return ItemStack.EMPTY;
+            }
+
+            stack.setTagCompound(tag);
+        }
+
+        return stack;
+    }
+
+    /**
+     *
+     * @param name
+     * @return
+     */
+    private static ItemStack parseStackNoNBT(String name)
+    {
+        if (name.contains("@"))
+        {
+            String[] split = StringUtils.split(name, "@");
+            Item item = ForgeRegistries.ITEMS.getValue(new ResourceLocation(split[0]));
+
+            if (item == null)
+            {
+                return ItemStack.EMPTY;
+            }
+
+            int meta;
+
+            try
+            {
+                meta = Integer.parseInt(split[1]);
+            }
+            catch (NumberFormatException e)
+            {
+                Log.writeDataToLogFile(Log._typeLog[2], "Unknown item '" + name + "'!");
+                return ItemStack.EMPTY;
+            }
+
+            return new ItemStack(item, 1, meta);
+        }
+        else
+        {
+            Item item = ForgeRegistries.ITEMS.getValue(new ResourceLocation(name));
+
+            if (item == null)
+            {
+                return ItemStack.EMPTY;
+            }
+
+            return new ItemStack(item);
+        }
+    }
+}