started porting all the things from https://github.com/Alwinfy/ArithmeticDemo
This commit is contained in:
Talia-12
parent
3c73a7da98
commit
7e4ca87a91
14 changed files with 533 additions and 0 deletions
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package at.petrak.hexcasting.api.casting.arithmetic;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.Operator;
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import at.petrak.hexcasting.api.casting.math.HexDir;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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public interface Arithmetic {
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public String arithName();
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public abstract Iterable<HexPattern> opTypes();
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public abstract Operator getOperator(HexPattern pattern);
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public static HexPattern ADD = HexPattern.fromAngles("waaw", HexDir.NORTH_EAST);
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public static HexPattern SUB = HexPattern.fromAngles("wddw", HexDir.NORTH_WEST);
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public static HexPattern MUL = HexPattern.fromAngles("waqaw", HexDir.SOUTH_EAST);
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public static HexPattern DIV = HexPattern.fromAngles("wdedw", HexDir.NORTH_EAST);
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public static HexPattern ABS = HexPattern.fromAngles("wqaqw", HexDir.NORTH_EAST);
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public static HexPattern POW = HexPattern.fromAngles("wedew", HexDir.NORTH_WEST);
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public static HexPattern FLOOR = HexPattern.fromAngles("ewq", HexDir.EAST);
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public static HexPattern CEIL = HexPattern.fromAngles("qwe", HexDir.EAST);
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public static HexPattern MOD = HexPattern.fromAngles("addwaad", HexDir.NORTH_EAST);
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public static HexPattern PACK = HexPattern.fromAngles("eqqqqq", HexDir.EAST);
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public static HexPattern UNPACK = HexPattern.fromAngles("qeeeee", HexDir.EAST);
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}
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package at.petrak.hexcasting.api.casting.arithmetic;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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@FunctionalInterface
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public interface IotaMultiPredicate {
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boolean test(Iterable<Iota> iotas);
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static IotaMultiPredicate all(IotaPredicate child) {
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return new All(child);
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}
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static IotaMultiPredicate bofa(IotaPredicate first, IotaPredicate second) {
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return new Any(first, second);
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}
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static IotaMultiPredicate any(IotaPredicate needs, IotaPredicate fallback) {
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return new Any(needs, fallback);
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}
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record Bofa(IotaPredicate first, IotaPredicate second) implements IotaMultiPredicate {
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@Override
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public boolean test(Iterable<Iota> iotas) {
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var it = iotas.iterator();
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return it.hasNext() && first.test(it.next()) && it.hasNext() && second.test(it.next()) && !it.hasNext();
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}
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}
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record Any(IotaPredicate needs, IotaPredicate fallback) implements IotaMultiPredicate {
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@Override
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public boolean test(Iterable<Iota> iotas) {
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var ok = false;
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for (var iota : iotas) {
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if (needs.test(iota)) {
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ok = true;
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} else if (!fallback.test(iota)) {
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return false;
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}
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}
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return ok;
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}
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}
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record All(IotaPredicate inner) implements IotaMultiPredicate {
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@Override
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public boolean test(Iterable<Iota> iotas) {
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for (var iota : iotas) {
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if (!inner.test(iota)) {
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return false;
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}
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}
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return true;
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}
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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import at.petrak.hexcasting.api.casting.iota.IotaType;
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@FunctionalInterface
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public interface IotaPredicate {
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boolean test(Iota iota);
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static IotaPredicate or(IotaPredicate left, IotaPredicate right) {
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return new Or(left, right);
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}
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static IotaPredicate ofType(IotaType<?> type) {
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return new OfType(type);
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}
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record Or(IotaPredicate left, IotaPredicate right) implements IotaPredicate {
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@Override
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public boolean test(Iota iota) {
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return left.test(iota) || right.test(iota);
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}
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}
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record OfType(IotaType<?> type) implements IotaPredicate {
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@Override
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public boolean test(Iota iota) {
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return iota.getType().equals(this.type);
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}
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic;
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import java.util.Iterator;
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public record IterPair<T>(T left, T right) implements Iterable<T> {
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@Override
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public Iterator<T> iterator() {
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return new Iterator<T>() {
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int ix;
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@Override
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public boolean hasNext() {
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return ix < 2;
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}
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@Override
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public T next() {
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switch (ix++) {
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case 0: return left;
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case 1: return right;
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}
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return null;
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}
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};
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.engine;
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import at.petrak.hexcasting.api.casting.arithmetic.Arithmetic;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.Operator;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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import org.jetbrains.annotations.Nullable;
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import java.util.*;
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public class ArithmeticEngine {
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private record OpCandidates(HexPattern pattern, int arity, List<Operator> operators) {
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public void addOp(Operator next) {
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if (next.arity != arity) {
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throw new IllegalArgumentException("Operators exist of differing arity!");
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}
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operators.add(next);
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}
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}
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public final Arithmetic[] arithmetics;
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private final Map<HexPattern, OpCandidates> operators = new HashMap<>();
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private final Map<HashCons, Operator> cache = new HashMap<>();
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public ArithmeticEngine(Arithmetic... arithmetics) {
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this.arithmetics = arithmetics;
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for (var arith : arithmetics) {
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for (var op : arith.opTypes()) {
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operators.compute(op, ($, info) -> {
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var operator = arith.getOperator(op);
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if (info == null) {
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info = new OpCandidates(op, operator.arity, new ArrayList<>());
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}
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info.addOp(operator);
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return info;
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});
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}
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}
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}
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public Iterable<HexPattern> operatorSyms() {
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return operators.keySet();
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}
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public @Nullable Iota run(HexPattern operator, Stack<Iota> iotas) {
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var candidates = operators.get(operator);
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if (candidates == null)
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return null; // not an operator
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HashCons hash = new HashCons.Pattern(operator);
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var args = new ArrayList<Iota>(candidates.arity());
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for (var i = 0; i < candidates.arity(); i++) {
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if (iotas.isEmpty()) {
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throw new IllegalStateException("Not enough args on stack for operator: " + operator);
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}
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var iota = iotas.pop();
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hash = new HashCons.Pair(iota.getType(), hash);
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args.add(iota);
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}
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Collections.reverse(args);
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var op = resolveCandidates(args, hash, candidates);
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return op.apply(args);
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}
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public Operator resolveCandidates(List<Iota> args, HashCons hash, OpCandidates candidates) {
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return cache.computeIfAbsent(hash, $ -> {
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for (var op : candidates.operators()) {
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if (op.accepts.test(args)) {
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return op;
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}
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}
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throw new IllegalArgumentException("No implementation candidates for op " + candidates.pattern() + " on args: " + args);
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});
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.engine;
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import at.petrak.hexcasting.api.casting.iota.IotaType;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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// Helper type for hashing lists of types.
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public sealed interface HashCons {
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public record Pattern(HexPattern operator) implements HashCons {}
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public record Pair(IotaType<?> head, HashCons tail) implements HashCons {}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.impls;
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import at.petrak.hexcasting.api.casting.arithmetic.Arithmetic;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.Operator;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.OperatorBinary;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.OperatorUnary;
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import at.petrak.hexcasting.api.casting.iota.DoubleIota;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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import at.petrak.hexcasting.common.lib.hex.HexIotaTypes;
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import java.util.List;
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import java.util.function.DoubleBinaryOperator;
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import java.util.function.DoubleUnaryOperator;
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import static at.petrak.hexcasting.api.casting.arithmetic.operator.Operator.downcast;
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import static at.petrak.hexcasting.common.lib.hex.HexIotaTypes.*;
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public enum DoubleArithmetic implements Arithmetic {
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INSTANCE;
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public static final List<HexPattern> OPS = List.of(
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ADD,
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SUB,
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MUL,
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DIV,
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ABS,
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POW,
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FLOOR,
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CEIL,
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MOD
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);
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public static final IotaMultiPredicate ACCEPTS = IotaMultiPredicate.all(IotaPredicate.ofType(DOUBLE));
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@Override
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public String arithName() {
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return "double_math";
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}
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@Override
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public Iterable<HexPattern> opTypes() {
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return OPS;
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}
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@Override
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public Operator getOperator(HexPattern pattern) {
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switch (pattern) {
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case ADD: return make2(Double::sum);
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case SUB: return make2((p, q) -> p - q);
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case MUL: return make2((p, q) -> p * q);
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case DIV: return make2((p, q) -> p / q);
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case ABS: return make1(Math::abs);
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case POW: return make2(Math::pow);
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case FLOOR: return make1(Math::floor);
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case CEIL: return make1(Math::ceil);
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case MOD: return make2((p, q) -> p % q);
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}
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return null;
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}
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public static OperatorUnary make1(DoubleUnaryOperator op) {
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return new OperatorUnary(ACCEPTS, i -> new DoubleIota(op.applyAsDouble(downcast(i, DOUBLE).getDouble())));
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}
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public static OperatorBinary make2(DoubleBinaryOperator op) {
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return new OperatorBinary(ACCEPTS, (i, j) -> new DoubleIota(op.applyAsDouble(downcast(i, DOUBLE).getDouble(), downcast(j, DOUBLE).getDouble())));
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.impls;
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import at.petrak.hexcasting.api.casting.arithmetic.Arithmetic;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.Operator;
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import at.petrak.hexcasting.api.casting.arithmetic.operator.OperatorBinary;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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import at.petrak.hexcasting.common.lib.hex.HexIotaTypes;
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import java.util.List;
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public enum StringArithmetic implements Arithmetic {
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INSTANCE;
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public static final List<HexPattern> OPS = List.of(
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new ADD,
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new MUL,
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new ABS
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);
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@Override
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public String arithName() {
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return "string_math";
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}
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@Override
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public Iterable<HexPattern> opTypes() {
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return OPS;
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}
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@Override
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public Operator getOperator(HexPattern pattern) {
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switch (pattern) {
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case ADD: return new OperatorBinary(
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IotaMultiPredicate.all(IotaPredicate.ofType(HexIotaTypes.BOOLEAN)),
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(p, q) -> new Iota(p.downcast(String.class) + q.downcast(String.class)));
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case MUL: return new OperatorBinary(
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IotaMultiPredicate.bofa(IotaPredicate.ofClass(String.class), IotaPredicate.ofClass(Double.class)),
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(p, q) -> new Iota(new String(new char[q.downcast(Double.class).intValue()]).replace("\0", p.downcast(String.class))));
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case ABS: return new OperatorUnary(
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IotaMultiPredicate.all(IotaPredicate.ofClass(String.class)),
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s -> new Iota((double) s.downcast(String.class).length()));
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}
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return null;
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.impls;
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import at.petrak.hexcasting.api.casting.arithmetic.Arithmetic;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaPredicate;
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import at.petrak.hexcasting.api.casting.math.HexPattern;
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import java.util.ArrayList;
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import java.util.List;
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import static at.petrak.hexcasting.common.lib.hex.HexIotaTypes.*;
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public enum Vec3Arithmetic implements Arithmetic {
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INSTANCE;
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public static final List<HexPattern> OPS;
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static {
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var ops = new ArrayList<>(DoubleArithmetic.OPS);
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ops.add(PACK);
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ops.add(UNPACK);
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ops.remove(FLOOR);
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ops.remove(CEIL);
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OPS = ops;
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}
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public static final IotaMultiPredicate ACCEPTS = IotaMultiPredicate.any(IotaPredicate.ofType(VEC3), IotaPredicate.ofType(DOUBLE));
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@Override
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public String arithName() {
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return "vec3_math";
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}
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@Override
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public Iterable<Symbol> opTypes() {
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return OPS;
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}
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@Override
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public Operator getOperator(Symbol name) {
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switch (name.inner()) {
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case "pack": return OperatorPack.INSTANCE;
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case "add": return make2(name, null);
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case "sub": return make2(name, null);
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case "mul": return make2(name, Vec3::dot);
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case "div": return make2(name, Vec3::cross);
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case "abs": return make1(Vec3::len);
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case "pow": return make2(name, Vec3::proj);
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case "mod": return make2(name, null);
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}
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return null;
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}
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public static OperatorUnary make1(Function<Vec3, Object> op) {
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return new OperatorUnary(ACCEPTS, i -> new Iota(op.apply(i.downcast(Vec3.class))));
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}
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public static OperatorVec3Delegating make2(Symbol name, BiFunction<Vec3, Vec3, Object> op) {
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return new OperatorVec3Delegating(op, name);
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.operator;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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import at.petrak.hexcasting.api.casting.iota.IotaType;
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import at.petrak.hexcasting.api.casting.mishaps.MishapInvalidIota;
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public abstract class Operator {
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public final int arity;
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public final IotaMultiPredicate accepts;
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public Operator(int arity, IotaMultiPredicate accepts) {
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this.arity = arity;
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this.accepts = accepts;
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}
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public abstract Iota apply(Iterable<Iota> iotas);
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@SuppressWarnings("unchecked")
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public static <T extends Iota> T downcast(Iota iota, IotaType<T> iotaType) {
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if (iota.getType() != iotaType)
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throw new IllegalStateException("Attempting to downcast " + iota + " to type: " + iotaType);
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return (T) iota;
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}
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}
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package at.petrak.hexcasting.api.casting.arithmetic.operator;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.iota.Iota;
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||||
import java.util.function.BinaryOperator;
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||||
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||||
public class OperatorBinary extends Operator {
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public BinaryOperator<Iota> inner;
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||||
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||||
public OperatorBinary(IotaMultiPredicate accepts, BinaryOperator<Iota> inner) {
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||||
super(2, accepts);
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this.inner = inner;
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||||
}
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||||
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||||
@Override
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public Iota apply(Iterable<Iota> iotas) {
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||||
var it = iotas.iterator();
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||||
return inner.apply(it.next(), it.next());
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||||
}
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}
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@ -0,0 +1,27 @@
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package at.petrak.hexcasting.api.casting.arithmetic.operator;
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||||
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import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
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import at.petrak.hexcasting.api.casting.arithmetic.IotaPredicate;
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import at.petrak.hexcasting.api.casting.iota.Iota;
|
||||
import at.petrak.hexcasting.api.casting.iota.Vec3Iota;
|
||||
import at.petrak.hexcasting.common.lib.hex.HexIotaTypes;
|
||||
import net.minecraft.world.phys.Vec3;
|
||||
|
||||
public class OperatorPack extends Operator {
|
||||
private OperatorPack() {
|
||||
super(3, IotaMultiPredicate.all(IotaPredicate.ofType(HexIotaTypes.DOUBLE)));
|
||||
}
|
||||
|
||||
public static OperatorPack INSTANCE = new OperatorPack();
|
||||
|
||||
@Override
|
||||
public Iota apply(Iterable<Iota> iotas) {
|
||||
var it = iotas.iterator();
|
||||
return new Vec3Iota(new Vec3(
|
||||
downcast(it.next(), HexIotaTypes.DOUBLE).getDouble(),
|
||||
downcast(it.next(), HexIotaTypes.DOUBLE).getDouble(),
|
||||
downcast(it.next(), HexIotaTypes.DOUBLE).getDouble()
|
||||
));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
package at.petrak.hexcasting.api.casting.arithmetic.operator;
|
||||
|
||||
|
||||
import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
|
||||
import at.petrak.hexcasting.api.casting.iota.Iota;
|
||||
|
||||
import java.util.function.UnaryOperator;
|
||||
|
||||
public class OperatorUnary extends Operator {
|
||||
public UnaryOperator<Iota> inner;
|
||||
|
||||
public OperatorUnary(IotaMultiPredicate accepts, UnaryOperator<Iota> inner) {
|
||||
super(1, accepts);
|
||||
this.inner = inner;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iota apply(Iterable<Iota> iotas) {
|
||||
return inner.apply(iotas.iterator().next());
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
package at.petrak.hexcasting.api.casting.arithmetic.operator;
|
||||
|
||||
import at.petrak.hexcasting.api.casting.arithmetic.IotaMultiPredicate;
|
||||
import at.petrak.hexcasting.api.casting.arithmetic.IotaPredicate;
|
||||
import at.petrak.hexcasting.api.casting.arithmetic.IterPair;
|
||||
import at.petrak.hexcasting.api.casting.arithmetic.impls.DoubleArithmetic;
|
||||
import at.petrak.hexcasting.api.casting.iota.DoubleIota;
|
||||
import at.petrak.hexcasting.api.casting.iota.Iota;
|
||||
import at.petrak.hexcasting.api.casting.iota.Vec3Iota;
|
||||
import at.petrak.hexcasting.api.casting.math.HexPattern;
|
||||
import at.petrak.hexcasting.common.lib.hex.HexIotaTypes;
|
||||
import kotlin.Pair;
|
||||
import net.minecraft.world.phys.Vec3;
|
||||
|
||||
import java.util.Objects;
|
||||
import java.util.function.BiFunction;
|
||||
|
||||
public class OperatorVec3Delegating extends Operator {
|
||||
private final BiFunction<Vec3, Vec3, Iota> op;
|
||||
private final Operator fb;
|
||||
public OperatorVec3Delegating(BiFunction<Vec3, Vec3, Iota> core, HexPattern fallback) {
|
||||
super(2, IotaMultiPredicate.any(IotaPredicate.ofType(HexIotaTypes.VEC3), IotaPredicate.ofType(HexIotaTypes.DOUBLE)));
|
||||
op = core;
|
||||
fb = Objects.requireNonNull(DoubleArithmetic.INSTANCE.getOperator(fallback));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iota apply(Iterable<Iota> iotas) {
|
||||
var it = iotas.iterator();
|
||||
var left = it.next();
|
||||
var right = it.next();
|
||||
if (op != null && left instanceof Vec3Iota lh && right instanceof Vec3Iota rh) {
|
||||
return op.apply(lh.getVec3(), rh.getVec3());
|
||||
}
|
||||
var lh = left instanceof Vec3Iota l ? l.getVec3() : triplicate(downcast(left, HexIotaTypes.DOUBLE).getDouble());
|
||||
var rh = right instanceof Vec3Iota r ? r.getVec3() : triplicate(downcast(right, HexIotaTypes.DOUBLE).getDouble());
|
||||
return new Vec3Iota(new Vec3(
|
||||
downcast(fb.apply(new IterPair<>(new DoubleIota(lh.x()), new DoubleIota(rh.x()))), HexIotaTypes.DOUBLE).getDouble(),
|
||||
downcast(fb.apply(new IterPair<>(new DoubleIota(lh.y()), new DoubleIota(rh.y()))), HexIotaTypes.DOUBLE).getDouble(),
|
||||
downcast(fb.apply(new IterPair<>(new DoubleIota(lh.z()), new DoubleIota(rh.z()))), HexIotaTypes.DOUBLE).getDouble()
|
||||
));
|
||||
}
|
||||
|
||||
public static Vec3 triplicate(double in) {
|
||||
return new Vec3(in, in, in);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue