diff --git a/js/build_encode_decode.js b/js/build_encode_decode.js
deleted file mode 100644
index 2c280b7..0000000
--- a/js/build_encode_decode.js
+++ /dev/null
@@ -1,340 +0,0 @@
-let player_build;
-let build_powders;
-
-function getItemNameFromID(id) { return idMap.get(id); }
-function getTomeNameFromID(id) { return tomeIDMap.get(id); }
-
-function parsePowdering(powder_info) {
-    // TODO: Make this run in linear instead of quadratic time... ew
-    let powdering = [];
-    for (let i = 0; i < 5; ++i) {
-        let powders = "";
-        let n_blocks = Base64.toInt(powder_info.charAt(0));
-        // console.log(n_blocks + " blocks");
-        powder_info = powder_info.slice(1);
-        for (let j = 0; j < n_blocks; ++j) {
-            let block = powder_info.slice(0,5);
-            let six_powders = Base64.toInt(block);
-            for (let k = 0; k < 6 && six_powders != 0; ++k) {
-                powders += powderNames.get((six_powders & 0x1f) - 1);
-                six_powders >>>= 5;
-            }
-            powder_info = powder_info.slice(5);
-        }
-        powdering[i] = powders;
-    }
-    return [powdering, powder_info];
-}
-
-let atree_data = null;
-
-/*
- * Populate fields based on url, and calculate build.
- */
-function decodeBuild(url_tag) {
-    if (url_tag) {
-        //default values
-        let equipment = [null, null, null, null, null, null, null, null, null];
-        let tomes = [null, null, null, null, null, null, null];
-        let powdering = ["", "", "", "", ""];
-        let info = url_tag.split("_");
-        let version = info[0];
-        let save_skp = false;
-        let skillpoints = [0, 0, 0, 0, 0];
-        let level = 106;
-
-        let version_number = parseInt(version)
-        //equipment (items)
-        // TODO: use filters
-        if (version_number < 4) {
-            let equipments = info[1];
-            for (let i = 0; i < 9; ++i ) {
-                let equipment_str = equipments.slice(i*3,i*3+3);
-                equipment[i] = getItemNameFromID(Base64.toInt(equipment_str));
-            }
-            info[1] = equipments.slice(27);
-        }
-        else if (version_number == 4) { 
-            let info_str = info[1];
-            let start_idx = 0;
-            for (let i = 0; i < 9; ++i ) {
-                if (info_str.charAt(start_idx) === "-") {
-                    equipment[i] = "CR-"+info_str.slice(start_idx+1, start_idx+18);
-                    start_idx += 18;
-                }
-                else {
-                    let equipment_str = info_str.slice(start_idx, start_idx+3);
-                    equipment[i] = getItemNameFromID(Base64.toInt(equipment_str));
-                    start_idx += 3;
-                }
-            }
-            info[1] = info_str.slice(start_idx);
-        }
-        else if (version_number <= 7) {
-            let info_str = info[1];
-            let start_idx = 0;
-            for (let i = 0; i < 9; ++i ) {
-                if (info_str.slice(start_idx,start_idx+3) === "CR-") {
-                    equipment[i] = info_str.slice(start_idx, start_idx+20);
-                    start_idx += 20;
-                } else if (info_str.slice(start_idx+3,start_idx+6) === "CI-") {
-                    let len = Base64.toInt(info_str.slice(start_idx,start_idx+3));
-                    equipment[i] = info_str.slice(start_idx+3,start_idx+3+len);
-                    start_idx += (3+len);
-                } else {
-                    let equipment_str = info_str.slice(start_idx, start_idx+3);
-                    equipment[i] = getItemNameFromID(Base64.toInt(equipment_str));
-                    start_idx += 3;
-                }
-            }
-            info[1] = info_str.slice(start_idx);
-        }
-        //constant in all versions
-        for (let i in equipment) {
-            setValue(equipment_inputs[i], equipment[i]);
-        }
-
-        //level, skill point assignments, and powdering
-        if (version_number == 1) {
-            let powder_info = info[1];
-            let res = parsePowdering(powder_info);
-            powdering = res[0];
-        } else if (version_number == 2) {
-            save_skp = true;
-            let skillpoint_info = info[1].slice(0, 10);
-            for (let i = 0; i < 5; ++i ) {
-                skillpoints[i] = Base64.toIntSigned(skillpoint_info.slice(i*2,i*2+2));
-            }
-
-            let powder_info = info[1].slice(10);
-            let res = parsePowdering(powder_info);
-            powdering = res[0];
-        } else if (version_number <= 7){
-            level = Base64.toInt(info[1].slice(10,12));
-            setValue("level-choice",level);
-            save_skp = true;
-            let skillpoint_info = info[1].slice(0, 10);
-            for (let i = 0; i < 5; ++i ) {
-                skillpoints[i] = Base64.toIntSigned(skillpoint_info.slice(i*2,i*2+2));
-            }
-
-            let powder_info = info[1].slice(12);
-
-            let res = parsePowdering(powder_info);
-            powdering = res[0];
-            info[1] = res[1];
-        }
-        // Tomes.
-        if (version >= 6 && version < 8) {
-            //tome values do not appear in anything before v6.
-            for (let i in tomes) {
-                let tome_str = info[1].charAt(i);
-                let tome_name = getTomeNameFromID(Base64.toInt(tome_str));
-                setValue(tomeInputs[i], tome_name);
-            }
-            info[1] = info[1].slice(7);
-        }
-
-        if (version == 7) {
-            // ugly af. only works since its the last thing. will be fixed with binary decode
-            atree_data = new BitVector(info[1]);
-        }
-        else {
-            atree_data = null;
-        }
-
-        for (let i in powder_inputs) {
-            setValue(powder_inputs[i], powdering[i]);
-        }
-        for (let i in skillpoints) {
-            setValue(skp_order[i] + "-skp", skillpoints[i]);
-        }
-    }
-}
-
-/*  Stores the entire build in a string using B64 encoding and adds it to the URL.
-*/
-function encodeBuild(build, powders, skillpoints, atree, atree_state) {
-    //currently on version 8 - a unified version for all build types using bit-level encoding
-    if (build) {
-        //final link will be [build_vers]_[len_string]_[build_string]
-        build_version = 8;
-        let len_string = "";
-        let build_string = "";
-        let build_bits = new BitVector(0, 0);
-
-        //ITEMS
-        for (const item of build.items) {
-            if (item.statMap.get("NONE") && item.statMap.get("NONE") === true) {
-                build_bits.append(0, 2); //00
-            } else if (item.statMap.get("custom")) {
-                build_bits.append(3, 2); //11
-                //BitVector CI encoding TODO
-
-                // let custom = "CI-"+encodeCustom(item, true);
-                // build_string += Base64.fromIntN(custom.length, 3) + custom;
-                // build_version = Math.max(build_version, 5);
-            } else if (item.statMap.get("crafted")) {
-                build_bits.append(2, 2); //10
-                //BitVector CR encoding TODO 
-
-                // build_string += "CR-"+encodeCraft(item);
-            } else {
-                if (item.statMap.get("category") === "tome") {
-                    //we will encode tomes later
-                    continue;
-                } else {
-                    build_bits.append(1, 2); //01
-                    build_bits.append(item.statMap.get("id"), 13);
-
-                    //powderable
-                    if (powderable_keys.includes(item.statMap.get("type"))) {
-                        if (item.statMap.get("powders") && item.statMap.get("powders").length !== 0) {
-                            //has powders
-                            build_bits.append(1, 1);
-                            
-                            //num of powders in 8 bits, then each powder (6 bits)
-                            //Having more than 256 powders on a vanilla item is NOT HANDLED.
-                            build_bits.append(item.statMap.get("powders").length, 8);
-                            for (const powder of item.statMap.get("powders")) {
-                                build_bits.append(powder, 6);
-                            }
-                        } else {
-                            //no powders
-                            build_bits.append(0, 1);
-                        }
-                    }
-                }
-            }
-        }
-
-        //SKILL POINTS
-        
-        //the original schema included a flag to indicate whether or not skill points are included.
-        //any reason for having a flag isn't implemented yet, so for now every build will have the skill point flag set.
-        build_bits.append(1, 1);
-
-        for (const skp of build.base_skillpoints) {
-            build_bits.append(skp, 8); // Maximum skillpoints: 255 (allows for manual assign up to 150)
-        }
-
-        //BUILD LEVEL 
-
-        // [flag to indicate if level is not 106 (0/1)]
-        // [else: level (7 bits, allows for lv 1->127)]
-        if (player_build.level != 106) {
-            build_bits.append(1, 1);
-            build_bits.append(player_build.level, 7);
-        } else {
-            build_bits.append(0, 1);
-        }
-
-        // TOMES
-
-        // [flag to indicate if tomes are included (0/1)]
-        // [if set: 7 sequential tome IDs, each 6 bits unsigned]
-        if (build.tomes.length > 0) {
-            build_bits.append(1, 1);
-            //decoding will assume that tomes has length of 7.
-            for (const tome of build.tomes) {
-                build_bits.append(tome.id, 6); 
-            }
-        } else {
-            build_bits.append(0, 1);
-        }
-
-        // ATREE
-
-        // [flag to indicate if atree data is present]
-        // [atree data: see existing encoding impl] //idk the impl
-        if (atree.length > 0 && atree_state.get(atree[0].ability.id).active) {
-            build_bits.append(1, 1);
-            const atree_bitvec = encode_atree(atree, atree_state);
-            build_bits.append(atree_bitvec);
-        } else {
-            build_bits.append(0, 1);
-        }
-
-        //compute length and return final build hash
-        return build_version.toString() + "_" + len_string + "_" + build_string;
-    }
-}
-
-function copyBuild() {
-    copyTextToClipboard(url_base+location.hash);
-    document.getElementById("copy-button").textContent = "Copied!";
-}
-
-function shareBuild(build) {
-    if (build) {
-        let text = url_base+location.hash+"\n"+
-            "WynnBuilder build:\n"+
-            "> "+build.items[0].statMap.get("displayName")+"\n"+
-            "> "+build.items[1].statMap.get("displayName")+"\n"+
-            "> "+build.items[2].statMap.get("displayName")+"\n"+
-            "> "+build.items[3].statMap.get("displayName")+"\n"+
-            "> "+build.items[4].statMap.get("displayName")+"\n"+
-            "> "+build.items[5].statMap.get("displayName")+"\n"+
-            "> "+build.items[6].statMap.get("displayName")+"\n"+
-            "> "+build.items[7].statMap.get("displayName")+"\n"+
-            "> "+build.items[15].statMap.get("displayName")+" ["+build_powders[4].map(x => powderNames.get(x)).join("")+"]";
-        copyTextToClipboard(text);
-        document.getElementById("share-button").textContent = "Copied!";
-    }
-}
-
-/**
- * Ability tree encode and decode functions
- *
- * Based on a traversal, basically only uses bits to represent the nodes that are on (and "dark" outgoing edges).
- * credit: SockMower
- */
-
-/**
- * Return: BitVector
- */
-function encode_atree(atree, atree_state) {
-    let ret_vec = new BitVector(0, 0);
-
-    function traverse(head, atree_state, visited, ret) {
-        for (const child of head.children) {
-            if (visited.has(child.ability.id)) { continue; }
-            visited.set(child.ability.id, true);
-            if (atree_state.get(child.ability.id).active) {
-                ret.append(1, 1);
-                traverse(child, atree_state, visited, ret);
-            }
-            else {
-                ret.append(0, 1);
-            }
-        }
-    }
-
-    traverse(atree[0], atree_state, new Map(), ret_vec);
-    return ret_vec;
-}
-
-/**
- * Return: List of active nodes
- */
-function decode_atree(atree, bits) {
-    let i = 0;
-    let ret = [];
-    ret.push(atree[0]);
-    function traverse(head, visited, ret) {
-        for (const child of head.children) {
-            if (visited.has(child.ability.id)) { continue; }
-            visited.set(child.ability.id, true);
-            if (bits.read_bit(i)) {
-                i += 1;
-                ret.push(child);
-                traverse(child, visited, ret);
-            }
-            else {
-                i += 1;
-            }
-        }
-    }
-    traverse(atree[0], new Map(), ret);
-    return ret;
-}