Matou-Garou

Sleeping

Joffrey THOMAS

bulk

ce8b18b over 2 years ago

689 Bytes

const UNDO_STAX_MAX_LEN = 16

let undo_stack = [];
let undoqueu   = [];

export function undo_mark_task_start(layer) {
    undoqueu = [];
    undoqueu.push(layer);
}

export function undo_add_index_to_task(tileindex) {
    undoqueu.push(tileindex);
}

export function undo_mark_task_end() {
    undo_stack.push(undoqueu);
    if (undo_stack.length > UNDO_STAX_MAX_LEN){
        undo_stack.shift();
    }
}

// utility function for adding a single tile as a task
export function undo_add_single_index_as_task(layer, tileindex) {
    undo_mark_task_start(layer);
    undo_add_index_to_task(tileindex);
    undo_mark_task_end();
}

export function undo_pop() {
    return undo_stack.pop();
}


	const UNDO_STAX_MAX_LEN = 16

	let undo_stack = [];
	let undoqueu = [];

	export function undo_mark_task_start(layer) {
	undoqueu = [];
	undoqueu.push(layer);
	}

	export function undo_add_index_to_task(tileindex) {
	undoqueu.push(tileindex);
	}

	export function undo_mark_task_end() {
	undo_stack.push(undoqueu);
	if (undo_stack.length > UNDO_STAX_MAX_LEN){
	undo_stack.shift();
	}
	}

	// utility function for adding a single tile as a task
	export function undo_add_single_index_as_task(layer, tileindex) {
	undo_mark_task_start(layer);
	undo_add_index_to_task(tileindex);
	undo_mark_task_end();
	}

	export function undo_pop() {
	return undo_stack.pop();
	}