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"use client";
import { FacingDirection } from "@/components/consts";
import { createContext, RefObject, useContext, useRef } from "react";
import { Group, Mesh } from "three";
export type CubeMeshRef = RefObject<Mesh | null>;
type CubesContextType = {
cubeGroupRef: RefObject<Group | null>;
addCube: (cubeMeshRef: CubeMeshRef) => void;
getCubes: (faceDirection: FacingDirection) => Mesh[];
};
const CubesContext = createContext<CubesContextType>({
cubeGroupRef: { current: null },
addCube: () => {},
getCubes: () => [],
});
export const useCubesContext = () => useContext(CubesContext);
export const CubesProvider = ({
cubeGroupRef,
children,
}: {
cubeGroupRef: RefObject<Group | null>;
children: React.ReactNode;
}) => {
const cubes = useRef<CubeMeshRef[]>([]);
const addCube = (cubeMeshRef: CubeMeshRef) => {
if (!cubes.current.includes(cubeMeshRef)) {
cubes.current.push(cubeMeshRef);
}
};
const getCubes = (faceDirection: FacingDirection) => {
const meshes = cubes.current
.map((c) => c.current)
.filter((m) => m !== null);
switch (faceDirection) {
case "front":
return meshes.filter((m) => m.position.z > 0);
case "back":
return meshes.filter((m) => m.position.z < 0);
case "left":
return meshes.filter((m) => m.position.x < 0);
case "right":
return meshes.filter((m) => m.position.x > 0);
case "top":
return meshes.filter((m) => m.position.y > 0);
case "bottom":
return meshes.filter((m) => m.position.y < 0);
}
};
return (
<CubesContext.Provider value={{ cubeGroupRef, addCube, getCubes }}>
{children}
</CubesContext.Provider>
);
};
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