screeps-invader-attack.js

var flee = require('flee');

function checkPath(pos1, pos2) {
    var path = pos1.findPathTo(pos2);
    if (!path.length) {
        return false;
    }
    return path[path.length - 1].x == pos2.x && path[path.length - 1].y == pos2.y;
}

function costCallbackIgnoreRamparts(roomName, cm) {
    var ramparts = Game.rooms[roomName].find(FIND_STRUCTURES, {
        filter: i => i.structureType == STRUCTURE_RAMPART || i.structureType == STRUCTURE_WALL
    });
    ramparts.forEach(i => cm.set(i.pos.x, i.pos.y, 0));
}
module.exports = function(creep) {
    if (!creep.getActiveBodyparts(ATTACK) && creep.getActiveBodyparts(RANGED_ATTACK) && flee(creep, 3)) {
        return;
    }
    var target, healers = creep.room.find(FIND_MY_CREEPS, {
        filter: function(i) {
            return i.getActiveBodyparts('heal') > 0;
        }
    });
    if (creep.hits < creep.hitsMax / 2 && healers.length > 0 && !creep.getActiveBodyparts(ATTACK)) {
        target = creep.pos.findClosestByPath(FIND_MY_CREEPS, {
            ignoreRoads: true,
            filter: function(i) {
                return i.getActiveBodyparts('heal') > 0;
            }
        });
        if (!target || creep.moveTo(target, {
                maxRooms: 1,
                ignoreRoads: true
            }) != OK) {
            target = null;
        }
    }
    var nearCreeps = creep.pos.findInRange(FIND_HOSTILE_CREEPS, 1, {
        filter: function(i) {
            return i.owner.username != 'Source Keeper'
        }
    });
    if (nearCreeps) {
        creep.attack(nearCreeps[0]);
    }
    if (!target) {
        target = creep.pos.findClosestByPath(FIND_HOSTILE_CREEPS, {
            ignoreRoads: true,
            ignoreCreeps: true,
            filter: function(i) {
                return i.owner.username != 'Source Keeper'
            }
        });
        if (target && (creep.getActiveBodyparts(ATTACK) || !creep.pos.inRangeTo(target, 3))) {
            creep.moveTo(target, {
                maxRooms: 1,
                ignoreRoads: true,
                ignoreCreeps: true
            });
        }
    }
    if (!target) {
        target = creep.pos.findClosestByPath(FIND_HOSTILE_CREEPS, {
            ignoreRoads: true,
            filter: function(i) {
                return i.owner.username != 'Source Keeper'
            },
            costCallback: costCallbackIgnoreRamparts
        });
        if (target && (creep.getActiveBodyparts(ATTACK) || !creep.pos.inRangeTo(target, 3))) {
            creep.moveTo(target, {
                maxRooms: 1,
                ignoreRoads: true,
                costCallback: costCallbackIgnoreRamparts
            });
        }
    }
    if (!target) {
        target = creep.pos.findClosestByPath(FIND_HOSTILE_CREEPS, {
            ignoreDestructibleStructures: true,
            ignoreRoads: true,
            filter: function(i) {
                return i.owner.username != 'Source Keeper'
            }
        });
        if (target && (creep.getActiveBodyparts(ATTACK) || !creep.pos.inRangeTo(target, 3))) {
            creep.moveTo(target, {
                ignoreDestructibleStructures: true,
                maxRooms: 1,
                ignoreRoads: true
            });
        }
    }
    if (!target) {
        if (creep.room.controller && creep.room.controller.level > 0 && !creep.room.find(FIND_HOSTILE_CREEPS).length) {
            var spawns = _.filter(creep.room.find(FIND_HOSTILE_SPAWNS), spawn => !checkPath(creep.pos, spawn.pos));
            if (!spawns.length) {
                creep.suicide();
                return;
            }
            target = spawns[0];
            if (target) {
                creep.moveTo(target, {
                    ignoreDestructibleStructures: true,
                    maxRooms: 1,
                    ignoreRoads: true
                });
            }
        }
        return;
    }
    creep.attack(target);
    if (creep.getActiveBodyparts(WORK) > 0 && creep.memory._move && creep.memory._move.path) {
        var path = Room.deserializePath(creep.memory._move.path);
        if (path.length && creep.pos.isNearTo(path[0].x, path[0].y)) {
            var structures = creep.room.lookForAt('structure', path[0].x, path[0].y);
            if (structures.length > 0) {
                creep.dismantle(structures[0]);
            }
        }
    }
}