2d:null 2e:["$","title",null,{"children":"Building Walls and Starting Hands | maddie lim ✨ | Observable"}] 33:T931,tryHand = async (hand) => { const handVec = handStrToVec(doraExplorer(hand)); const pa = possibleActions(handVec, allActions); const ph = possibleActions(handVec, headActions); const pw = possibleActions(handVec, allWaitActions); const usefulVec = orVec( pa.reduce((acc, action) => orVec(acc, action.vec), vecZero), orVec( ph.reduce((acc, action) => orVec(acc, action.vec), vecZero), pw.reduce((acc, action) => orVec(acc, action.vec), vecZero) ) ); const uselessVec = andVec(handVec, oneMinusVec(usefulVec)); const uselessArr = vecToHandStr(uselessVec).split("-"); const uselessSorted = uselessArr.sort((a, b) => { const asort = uselessOrder.indexOf(a); const bsort = uselessOrder.indexOf(b); if (asort < bsort) {return -1 } if (asort > bsort) { return 1; } return 0; }); const uselessStr = uselessSorted.join("-"); // const uselessAct = // vecCount(uselessVec) > 0 // ? [ // { // type: "", // vec: uselessVec // } // ] // : []; const meldDisplay = pa.length > 0 ? html`

potential melds

${await printActions2(pa)} ` : ""; const headDisplay = ph.length > 0 ? html`

potential heads

${await printActions2(ph)} ` : ""; const waitDisplay = pw.length > 0 ? html`

potential waits

${await printActions2(pw)} ` : ""; const uselessDisplay = uselessArr.length > 0 ? html`

potential useless tiles

${await tileRun(uselessStr)} ` : ""; return html`

hand ${await mh(hand)} ${meldDisplay} ${headDisplay} ${waitDisplay} ${uselessDisplay} ${await discardHandChecker(hand, true, true)}

`; }34:[] 31:{"id":"5cbd79dd0a18bc0e","slug":"starting-hands","title":"Building Walls and Starting Hands","thumbnail":"9cb9894f9b7023a82e860c1220b7a13c4ff610f6a3ed2902378e74df888eab60","access_level":"public","create_time":"$D2022-07-19T08:20:45.585Z","update_time":"$D2022-07-24T00:37:55.011Z","view_time":null,"first_public_time":"$D2022-07-21T01:37:24.028Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"408ee840d040526a","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":"starter_2024"},"version":434,"publish_version":434,"role":null,"authored":false,"authors":[{"type":"individual","id":"578d96c86967f83d","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":null}],"members":[{"type":"individual","id":"578d96c86967f83d","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":{"id":"a8b2fa90e38b672d","slug":"mahjong","title":"Riichi Mahjong","owner":{"id":"408ee840d040526a","login":"maddievision","name":"maddie lim ✨"}},"type":"notebook","body":{"title":"Building Walls and Starting Hands","cells":[{"id":0,"value":"# Building Walls and Starting Hands","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":380,"value":"html`\n

The wall contains red 5s. i.e., 3x of

${await tileImages(\"5m-5p-5s\")}

and 1x of

${await tileImages(\"0m-0p-0s\")}

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":322,"value":"**TODO**\n- build dead wall","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":49,"value":"viewof seed = Inputs.range([0, 999999], { value: 0, step: 1, label: \"Seed\" })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":64,"value":"wall = {\n const s = shuffler(seed / 1000000);\n const s2 = shuffler((seed + 1) / 1000000);\n return s(s2([...wholeSetOfTiles]));\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":293,"value":"wallVec = handStrToVec(wall.join(\"-\"));","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":91,"value":"hands = [...Array(4).keys()].map((p) =>\n vecToHandStr(handStrToVec([...wall].splice(p * 13, 13).join(\"-\")))\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":253,"value":"### Player 1","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":117,"value":"firstDrawHand = [hands[0], drawFromWall(0)].join(\" \")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":167,"value":"tryHand(firstDrawHand)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":362,"value":"html`\n“potential useless tiles” are tiles that aren't used in a meld, head, or wait, and are ordered by some reversed measure of “usefulness”:\n${await tabular(\n [\n html`winds`,\n await tileRun(\"4z-3z-2z-1z\"),\n html`dragons`,\n await tileRun(\"7z-6z-5z\"),\n html`terminals`,\n await tileRun(\"1m-9m-1p-9p-1s-9s\"),\n html`2/8`,\n await tileRun(\"2m-8m-2p-8p-2s-8s\"),\n html`3/7`,\n await tileRun(\"3m-7m-3p-7p-3s-7s\"),\n html`4/6`,\n await tileRun(\"4m-6m-4p-6p-4s-6s\"),\n html`5`,\n await tileRun(\"5m-5p-5s\"),\n html`red 5`,\n await tileRun(\"0m-0p-0s\")\n ],\n 4\n)}\n\nTake this with a grain of salt! This isn’t a strategy guide.\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":255,"value":"### Player 2","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":186,"value":"secondDrawHand = [hands[1], drawFromWall(1)].join(\" \")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":193,"value":"tryHand(secondDrawHand)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":257,"value":"### Player 3","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":200,"value":"thirdDrawHand = [hands[2], drawFromWall(2)].join(\" \")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":204,"value":"tryHand(thirdDrawHand)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":259,"value":"### Player 4","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":209,"value":"fourthDrawHand = [hands[3], drawFromWall(3)].join(\" \")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":216,"value":"tryHand(fourthDrawHand)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"import { sortOrder, tileRun, mh, tabular, tileImage } from '@maddievision/mahjong-library'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":233,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":312,"value":"drawFromWall = (pos) => wall[4 * 13 + pos]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":303,"value":"doraExplorer = (hand) => hand.replace(\"0p\", \"5p\").replace(\"0s\", \"5s\").replace(\"0m\", \"5m\");\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":400,"value":"tileImages = async (tiles) => {\n const tileArr = tiles.split(\"-\");\n return html`${await Promise.all(tileArr.map(async (t) => await tileImage(t)))}`;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":266,"value":"andVec = (a, b) => a.map((av, i) => (av * b[i] > 0 ? 1 : 0))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":269,"value":"normVec = (a) => a.map((v) => (v > 1 ? 1 : 0))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":272,"value":"vecZero = vectorSlots.map(() => 0)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":279,"value":"oneMinusVec = (a) => a.map((v) => 1-v);","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":297,"value":"subtractVec = (a, b) => a.map((av, i) => av - b[i])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":227,"value":"import { printActions2, allWaitActions, orVec, vecCount,discardHandChecker } from \"@maddievision/tenpai\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":96,"value":"import {\n handStrToVec,\n vecToHandStr,\n possibleActions,\n printActions,\n allActions,\n headActions,\n printVec,\n vectorSlots\n} from \"@maddievision/mahjong-algorithms-2\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":28,"value":"shuffler = (seed) => d3.shuffler(d3.randomLcg(seed))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":26,"value":"d3 = require(\"d3\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"wholeSetOfTiles = {\n const singleSet = sortOrder.filter(\n (tid) => ![\"0p\", \"5p\", \"0m\", \"5m\", \"0s\", \"5s\"].includes(tid)\n );\n return [\n ...singleSet,\n ...singleSet,\n ...singleSet,\n ...singleSet,\n \"0p\",\n \"5p\",\n \"5p\",\n \"5p\",\n \"0m\",\n \"5m\",\n \"5m\",\n \"5m\",\n \"0s\",\n \"5s\",\n \"5s\",\n \"5s\"\n ].sort((a, b) => {\n const asort = sortOrder.indexOf(a);\n const bsort = sortOrder.indexOf(b);\n if (asort < bsort) {\n return -1;\n }\n if (asort > bsort) {\n return 1;\n }\n return 0;\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":345,"value":"uselessOrder = \"4z-3z-2z-1z-7z-6z-5z-1m-9m-1p-9p-1s-9s-2m-8m-2p-8p-2s-8s-3m-7m-3p-7p-3s-7s-4m-6m-4p-6p-4s-6s-5m-5p-5s-0m-0p-0s\".split(\"-\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":429,"value":"seededWall = (aSeed) => {\n const s = shuffler(aSeed / 1000000);\n const s2 = shuffler((aSeed + 1) / 1000000);\n return s(s2([...wholeSetOfTiles]));\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"