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Add function to boards for placing nodes in the next available space

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This commit is contained in:
thepaperpilot 2023-04-23 10:00:16 -05:00
parent c08ea9ce85
commit 425e85a1ee
1 changed files with 73 additions and 1 deletions
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74
src/features/boards/board.ts
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@ -12,7 +12,7 @@ import { globalBus } from "game/events";
import { DefaultValue, deletePersistent, Persistent, State } from "game/persistence";
import { persistent } from "game/persistence";
import type { Unsubscribe } from "nanoevents";
import { isFunction } from "util/common";
import { Direction, isFunction } from "util/common";
import type {
Computable,
GetComputableType,
@ -266,6 +266,8 @@ export interface BaseBoard {
receivingNode: Ref<BoardNode | null>;
/** The current mouse position, if over the board. */
mousePosition: Ref<{ x: number; y: number } | null>;
/** Places a node in the nearest empty space in the given direction with the specified space around it. */
placeInAvailableSpace: (node: BoardNode, radius?: number, direction?: Direction) => void;
/** A symbol that helps identify features of the same type. */
type: typeof BoardType;
/** The Vue component used to render this feature. */
@ -484,6 +486,76 @@ export function createBoard<T extends BoardOptions>(
board.receivingNode!.value = node;
}
board.placeInAvailableSpace = function (
node: BoardNode,
radius = 100,
direction = Direction.Right
) {
const nodes = processedBoard.nodes.value
.slice()
.filter(n => {
// Exclude self
if (n === node) {
return false;
}
// Exclude nodes that aren't within the corridor we'll be moving within
if (
(direction === Direction.Down || direction === Direction.Up) &&
Math.abs(n.position.x - node.position.x) > radius
) {
return false;
}
if (
(direction === Direction.Left || direction === Direction.Right) &&
Math.abs(n.position.y - node.position.y) > radius
) {
return false;
}
// Exclude nodes in the wrong direction
return !(
(direction === Direction.Right &&
n.position.x < node.position.x - radius) ||
(direction === Direction.Left && n.position.x > node.position.x + radius) ||
(direction === Direction.Up && n.position.y > node.position.y + radius) ||
(direction === Direction.Down && n.position.y < node.position.y - radius)
);
})
.sort(
direction === Direction.Right
? (a, b) => a.position.x - b.position.x
: direction === Direction.Left
? (a, b) => b.position.x - a.position.x
: direction === Direction.Up
? (a, b) => b.position.y - a.position.y
: (a, b) => a.position.y - b.position.y
);
for (let i = 0; i < nodes.length; i++) {
const nodeToCheck = nodes[i];
const distance =
direction === Direction.Right || direction === Direction.Left
? Math.abs(node.position.x - nodeToCheck.position.x)
: Math.abs(node.position.y - nodeToCheck.position.y);
// If we're too close to this node, move further
if (distance < radius) {
if (direction === Direction.Right) {
node.position.x = nodeToCheck.position.x + radius;
} else if (direction === Direction.Left) {
node.position.x = nodeToCheck.position.x - radius;
} else if (direction === Direction.Up) {
node.position.y = nodeToCheck.position.y - radius;
} else if (direction === Direction.Down) {
node.position.y = nodeToCheck.position.y + radius;
}
} else if (i > 0 && distance > radius) {
// If we're further from this node than the radius, then the nodes are past us and we can early exit
break;
}
}
};
board[GatherProps] = function (this: GenericBoard) {
const {
nodes,