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diff --git a/examples/kubejs/lang.js b/examples/kubejs/lang.js
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+++ b/examples/kubejs/lang.js
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+//Needs to be on client_scripts folder!
+//Or you can have a client event to add the lang key without needing to do things with .json
+//But it might be a more difficult way to translate it with external tools!
+
+ClientEvents.lang('en_us', event => {
+    event.add('replication.matter_type.matter_lambda', 'Esto es una tombola, tombola')
+})
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diff --git a/examples/kubejs/matter_recipes.js b/examples/kubejs/matter_recipes.js
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+++ b/examples/kubejs/matter_recipes.js
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+/*
+Needs to be on the server_scripts folder!
+
+This is the main part about this little guide, how to add matter to items and blocks
+There are 2 ways (only for smelting and crafting recipes), they are assigned automatically or manually
+By default, you can get calculations up to 11 depth, that means that from log to final item,
+there can only be 11 recipes
+
+For all the other items, you need to add them manually, which is a bit of a bummer,
+but thats why we are here
+
+This example uses Powah's items and blocks, but you can use any other mod!
+It applies the same principles!
+
+Links:
+Replication global object -> https://github.com/Buuz135/Replication/blob/1.21/src/main/java/com/buuz135/replication/integration/kubejs/ReplicationKubeJSGateway.java
+Registry -> https://github.com/Buuz135/Replication/blob/1.21/src/main/java/com/buuz135/replication/ReplicationRegistry.java
+
+Currently there are these types:
+earth, nether, ender, organic, metallic, precious, living, quantum
+
+To disable automatic recipes, check configuration (ReplicationConfig.RecipeCalculation) and set MAX_RECIPE_DEPTH to 0
+*/
+
+ServerEvents.recipes(event => {
+
+    const ENERGY_TO_MATTER_FACTOR = 0.01;//Since energy is free in most packs, there is a low "efficiency"
+
+    //Lets take dry ice as example, but you can do for another things:
+    /*{
+        "type": "powah:energizing", //recipe type if we need want all recipes from a particular machine
+        "energy": 120000, //energy cost
+        "ingredients": [ //An array of items, which you can get the 
+            {
+            "tag": "c:rods/blaze"
+            }
+        ],
+        "result": {
+            "count": 1,
+            "id": "powah:crystal_blazing"
+        }
+    }
+    */
+
+    //You can have a Set to store the values to store the items you previous did
+    //to concat them or add compact to mods!
+    //let matter = new WeakSet()
+
+    //Thats for more advanced setups, if you have recipes calculation on
+    //Here is getting all recipes from Powah!'s Energizing, which you can add compact this way
+    
+    //Here we use the event.custom
+    //Below this, on another event, there is a builder, sort of nicer way to add matter if you like them!
+    event.forEachRecipe({ type: 'powah:energizing' }, recipe => { //forEachRecipe is a way to iterate all recipes from a type
+        let json = recipe.json;
+
+        let energy = json.get('energy');
+        if(!energy)
+        {
+            console.warn(`Recipe without energy: ${recipe.getId()}`);
+            return;
+        }
+
+        //Result
+        let result = json.get('result');
+        if(!result)
+        {
+            console.warn(`Recipe without results: ${recipe.getId()}`);
+            return;
+        }
+
+        let idElement = result.get('id');
+        if(!idElement)
+        {
+            console.warn(`No output: ${recipe.getId()}`);
+            return;
+        }
+        let itemId = idElement.getAsString ? idElement.getAsString() : String(idElement).replace("\"", "");
+
+        let count = 1;
+        if(result.has('count'))
+        {
+            count = result.get('count');
+        }
+
+        let matterAmount = energy * ENERGY_TO_MATTER_FACTOR;
+        let matterMap = {
+            'metallic': matterAmount
+        };
+        event.custom(Replication.matterValueForItem(itemId, matterMap));
+    });
+});
+
+ServerEvents.recipes(event => {
+
+    const MatterBuilder = () => {
+        let _input = null;
+        let _inputType = null; // 'item', 'tag', 'ingredient'
+        let _matterMap = {};
+        let _customId = null;
+
+        const defaultId = () => {
+            if(!_input) return 'unknown';
+            let inputStr = _input;
+            if(typeof _input === 'object')
+            {
+                inputStr = _input.item || _input.tag || JSON.stringify(_input);
+            }
+            let cleaned = inputStr.toString().replace(/[#]/g, '').replace(/[^a-z0-9_.-]/gi, '_').toLowerCase();
+            let matterPart = Object.keys(_matterMap).join('_');
+            return `replication:matter_value/${cleaned}_${matterPart}`;
+        };
+
+        return {
+            /**
+             * @param {string} itemId - ID of the item (e.g: 'minecraft:stone')
+             */
+            withItem(itemId)
+            {
+                _input = itemId;
+                _inputType = 'item';
+                return this;
+            },
+
+            /**
+             * @param {string} tag - Tag (e.g: '#c:iron_ingots' or 'c:iron_ingots')
+             */
+            withTag(tag)
+            {
+                _input = tag.startsWith('#') ? tag.substring(1) : tag;
+                _inputType = 'tag';
+                return this;
+            },
+
+            /**
+             * @param {Object} ingredient - e.g: { item: 'minecraft:stone' } or { tag: 'c:ingots' }
+             */
+            withIngredient(ingredient)
+            {
+                _input = ingredient;
+                _inputType = 'ingredient';
+                return this;
+            },
+
+            /**
+             * Add matter to a recipe
+             * @param {string} type - Matter key (ej: 'earth', 'metallic')
+             * @param {number} amount - Amount of matter, must be an integer, will round up for numbers with decimals
+             */
+            addMatter(type, amount)
+            {
+                _matterMap[type] = amount;
+                return this;
+            },
+
+            /**
+             * Asign a id to the recipe and register it.
+             * @param {string} id - ID of the recipe 'namespace:path' (e.g mymodpack:replication/matter/...)
+             */
+            withId(id)
+            {
+                _customId = id;
+                return this.register()
+            },
+
+            /**
+             * Generate the recipe with default ID, you can use withId to do the same but with an recipe id
+             * @returns void
+             */
+            register()
+            {
+                if(!_input || !_inputType)
+                {
+                    console.error('[MatterValueBuilder] No input specified. Use withItem, withTag or withIngredient. Skipping');
+                    return;
+                }
+
+                if(typeof Replication === 'undefined')
+                {
+                    console.error('[MatterValueBuilder] Replication object is not available. Is the mod loaded?');
+                    return;
+                }
+
+                let recipeJson;
+                if(_inputType === 'item')
+                {
+                    recipeJson = Replication.matterValueForItem(_input, _matterMap); //Given a item and a map of matters with amount, return a json object with those matters and item
+                }
+                else if(_inputType === 'tag')
+                {
+                    recipeJson = Replication.matterValueForTag(_input, _matterMap); //Given a tag and a map of matters with amount, return a json object with those matters and tag
+                }
+                else
+                {
+                    recipeJson = Replication.matterValue(_input, _matterMap); //Given an ingredient and a map of matters with amount, return a json object with those matters and ingredient
+                }
+
+                if(_customId)
+                {
+                    event.custom(recipeJson).id(_customId);
+                } 
+                else
+                {
+                    //KubeJS generate a random recipe id each time, so we would need
+                    //to give an id ourselft or an generated one from inputs
+                    event.custom(recipeJson).id(defaultId());
+                }
+            }
+        };
+    };
+
+    //This is how to use the builder
+    MatterBuilder()
+        .withItem('guideme:guide')
+        .addMatter('earth', 3.0) //This is fine, since it will transform to 3
+        .addMatter('metallic', 1.5) //This is mostly fine, it will transform to 2
+        .withId('mypack:replication/guide');
+
+    //But you can do more with the builder, remember the first setup? Well, we have more, you can use the builder
+    //to give more or less, depending on what you want!
+    let a_value = 0 //Lets say that we add a value depending on a variable
+    let builder = MatterBuilder()
+        .withItem('replication:matter_blueprint')
+        .addMatter('earth', 3.0) //This is fine, since it will transform to 3
+        .addMatter('metallic', 1.5) //This is mostly fine, it will transform to 2
+    
+    if(a_value < 5)
+    {
+        builder.addMatter('ender', 4)
+    }
+
+    builder.register()
+})
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diff --git a/examples/kubejs/register_matter.js b/examples/kubejs/register_matter.js
new file mode 100644
index 0000000..4d8cd48
--- /dev/null
+++ b/examples/kubejs/register_matter.js
@@ -0,0 +1,118 @@
+/*
+Needs to be on startup_scripts folder!
+
+Similar to registering items and blocks, we need to do the same
+for our matter types
+
+You must have a .png with the texture on the kubejs/assets/replication/textures/gui/mattertypes/<id of the matter>.png
+or the game will crash if you open the terminal!
+
+Links:
+ReplicationRegistry -> https://github.com/Buuz135/Replication/blob/1.21/src/main/java/com/buuz135/replication/ReplicationRegistry.java
+MatterTypeBuilder -> https://github.com/Buuz135/Replication/blob/1.21/src/main/java/com/buuz135/replication/integration/kubejs/MatterTypeBuilder.java
+
+
+Here is every way you can do it!
+*/
+StartupEvents.registry('replication:matter_types', event => {
+    //The simplest way
+    event.create("ultimatium") //Id of the matter, we will need it later
+    .color(0.2, 0.7, 1.0, 1.0) //RGBA (from 0.0 to 1.0)
+    .displayName("Ultimatum") //Display name
+    .max(100) //can be any number, doesnt matter
+
+    //The hard way but cool one!
+    //First we need the builder, we need to load some classes first
+    const MatterRegistry = Java.loadClass('com.buuz135.replication.ReplicationRegistry')
+    const MatterTypeBuilder = Java.loadClass('com.buuz135.replication.integration.kubejs.MatterTypeBuilder')
+
+    //You can do something similar as the builder on the matter_recipes.js on server_scripts
+    let myBuilder = new MatterTypeBuilder('matter_to_add')
+    myBuilder.color(0.5, 0.1, 0.9, 1.0).max(2500)
+    event.add(MatterRegistry.MATTER_TYPES_KEY, myBuilder)
+
+    //Another hard way
+    //This time using a lambda, for customs colors!
+    //This is how quantum matter type is done!
+    
+    //We need to load the classes first
+    const CustomMatterType = Java.loadClass('com.buuz135.replication.integration.kubejs.CustomMatterType')
+    const FloatArrayList = Java.loadClass('it.unimi.dsi.fastutil.floats.FloatArrayList');
+    //Minecraft class is just to get the time of the day
+    const Minecraft = Java.loadClass('net.minecraft.client.Minecraft');
+    
+    //In this case, we need an arrow function (a.k.a a lambda), useful if you need to have more complex setups, like this one
+    //or quantum matter
+    event.createCustom('matter_lambda', () => {
+        let name = "matter_lambda" //To give a name, we need a lang file with the following "replication.matter_type.matter_lambda": "Matter Lambda",
+        
+        //Dynamic color depending on some conditions
+        //In this case, depending on the time of the day and a period
+        //while doing a rainbow
+
+        //At the end, you must have the variable list with 4 values or crash
+        //RGBA, then convert to float shown on the return
+        let color = () => {
+            let list = new FloatArrayList();
+            try
+            {
+                let level = Minecraft.getInstance().level;
+                if(level)
+                {
+                    let time = level.getDayTime(); //MC time, around 60k samples, more than enough for most
+                    let period = 200; //full cycle every 10 seconds (20 ticks/sec)
+                    let hue = (time % period) / period; // 0..1
+
+                    //HSV to RGB (saturation=1, value=1)
+                    let h = hue;
+                    let s = 1.0;
+                    let v = 1.0;
+
+                    let r, g, b;
+                    let i = Math.floor(h * 6);
+                    let f = h * 6 - i;
+                    let p = v * (1 - s);
+                    let q = v * (1 - f * s);
+                    let t = v * (1 - (1 - f) * s);
+
+                    switch(i % 6)
+                    {
+                        case 0: r = v; g = t; b = p; break;
+                        case 1: r = q; g = v; b = p; break;
+                        case 2: r = p; g = v; b = t; break;
+                        case 3: r = p; g = q; b = v; break;
+                        case 4: r = t; g = p; b = v; break;
+                        case 5: r = v; g = p; b = q; break;
+                    }
+
+                    list.add(r);
+                    list.add(g);
+                    list.add(b);
+                    list.add(1.0); //alpha
+                } 
+                else
+                {
+                    //A default color just in case level is null
+                    list.add(0.5);
+                    list.add(0.5);
+                    list.add(0.5);
+                    list.add(1.0);
+                }
+            }
+            catch(e)
+            {
+                //If any error (e.g., on server or you pass an string to a number), 
+                //return a default color
+                list.add(1.0);
+                list.add(1.0);
+                list.add(1.0);
+                list.add(1.0);
+                //console.log(e) //This spam the logs a lot but tells you a lot too
+            }
+            return list.toFloatArray();
+        };
+
+        let max = 5000
+        return new CustomMatterType(name, color, max)
+    })
+})
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