Files
Mindustry/core/src/mindustry/ai/BlockIndexer.java
2025-04-30 12:27:50 -04:00

612 lines
22 KiB
Java

package mindustry.ai;
import arc.*;
import arc.func.*;
import arc.math.*;
import arc.math.geom.*;
import arc.struct.*;
import arc.util.*;
import mindustry.content.*;
import mindustry.entities.*;
import mindustry.entities.Units.*;
import mindustry.game.EventType.*;
import mindustry.game.*;
import mindustry.game.Teams.*;
import mindustry.gen.*;
import mindustry.logic.*;
import mindustry.type.*;
import mindustry.world.*;
import mindustry.world.blocks.environment.*;
import mindustry.world.meta.*;
import static mindustry.Vars.*;
/** Class used for indexing special target blocks for AI. */
public class BlockIndexer{
/** Size of one quadrant. */
private static final int quadrantSize = 20;
private static final Rect rect = new Rect();
private static boolean returnBool = false;
private int quadWidth, quadHeight;
/** Stores all ore quadrants on the map. Maps ID to qX to qY to a list of tiles with that ore. */
private IntSeq[][][] ores, wallOres;
/** Stores all damaged tile entities by team. */
private Seq<Building>[] damagedTiles = new Seq[Team.all.length];
/** All ores present on the map - can be wall or floor. */
private Seq<Item> allPresentOres = new Seq<>();
/** All ores available on this map. */
private ObjectIntMap<Item> allOres = new ObjectIntMap<>(), allWallOres = new ObjectIntMap<>();
/** Stores teams that are present here as tiles. */
private Seq<Team> activeTeams = new Seq<>(Team.class);
/** Maps teams to a map of flagged tiles by flag. */
private Seq<Building>[][] flagMap = new Seq[Team.all.length][BlockFlag.all.length];
/** Counts whether a certain floor is present in the world upon load. */
private boolean[] blocksPresent;
/** Array used for returning and reusing. */
private Seq<Building> breturnArray = new Seq<>(Building.class);
/** Maps block flag to a list of floor tiles that have it. */
private Seq<Tile>[] floorMap;
public BlockIndexer(){
clearFlags();
Events.on(TilePreChangeEvent.class, event -> {
removeIndex(event.tile);
});
Events.on(TileChangeEvent.class, event -> {
addIndex(event.tile);
});
Events.on(TileFloorChangeEvent.class, event -> {
removeFloorIndex(event.tile, event.previous);
addFloorIndex(event.tile, event.floor);
});
Events.on(WorldLoadEvent.class, event -> {
damagedTiles = new Seq[Team.all.length];
flagMap = new Seq[Team.all.length][BlockFlag.all.length];
floorMap = new Seq[BlockFlag.all.length];
activeTeams = new Seq<>(Team.class);
clearFlags();
allOres.clear();
allWallOres.clear();
ores = new IntSeq[content.items().size][][];
wallOres = new IntSeq[content.items().size][][];
quadWidth = Mathf.ceil(world.width() / (float)quadrantSize);
quadHeight = Mathf.ceil(world.height() / (float)quadrantSize);
blocksPresent = new boolean[content.blocks().size];
//so WorldLoadEvent gets called twice sometimes... ugh
for(Team team : Team.all){
var data = state.teams.get(team);
if(data != null){
if(data.buildingTree != null) data.buildingTree.clear();
if(data.turretTree != null) data.turretTree.clear();
}
}
for(Tile tile : world.tiles){
process(tile);
addFloorIndex(tile, tile.floor());
Item drop;
int qx = tile.x / quadrantSize, qy = tile.y / quadrantSize;
if(tile.block() == Blocks.air){
if((drop = tile.drop()) != null){
//add position of quadrant to list
if(ores[drop.id] == null) ores[drop.id] = new IntSeq[quadWidth][quadHeight];
if(ores[drop.id][qx][qy] == null) ores[drop.id][qx][qy] = new IntSeq(false, 16);
ores[drop.id][qx][qy].add(tile.pos());
allOres.increment(drop);
}
}else if((drop = tile.wallDrop()) != null){
//add position of quadrant to list
if(wallOres[drop.id] == null) wallOres[drop.id] = new IntSeq[quadWidth][quadHeight];
if(wallOres[drop.id][qx][qy] == null) wallOres[drop.id][qx][qy] = new IntSeq(false, 16);
wallOres[drop.id][qx][qy].add(tile.pos());
allWallOres.increment(drop);
}
}
updatePresentOres();
});
}
public Seq<Item> getAllPresentOres(){
return allPresentOres;
}
private void updatePresentOres(){
allPresentOres.clear();
for(Item item : content.items()){
if(hasOre(item) || hasWallOre(item)){
allPresentOres.add(item);
}
}
}
private void removeFloorIndex(Tile tile, Floor floor){
if(floor.flags.size == 0 || floorMap == null) return;
for(var flag : floor.flags.array){
getFlaggedFloors(flag).remove(tile);
}
}
private void addFloorIndex(Tile tile, Floor floor){
if(floor.flags.size == 0 || !floor.shouldIndex(tile) || floorMap == null) return;
for(var flag : floor.flags.array){
getFlaggedFloors(flag).add(tile);
}
}
public Seq<Tile> getFlaggedFloors(BlockFlag flag){
if(floorMap[flag.ordinal()] == null){
floorMap[flag.ordinal()] = new Seq<>(false);
}
return floorMap[flag.ordinal()];
}
public void removeIndex(Tile tile){
var team = tile.team();
if(tile.build != null && tile.isCenter()){
var build = tile.build;
var flags = tile.block().flags;
var data = team.data();
if(flags.size > 0){
for(BlockFlag flag : flags.array){
getFlagged(team)[flag.ordinal()].remove(build);
}
}
//no longer part of the building list
data.buildings.remove(build);
data.buildingTypes.get(build.block, () -> new Seq<>(false)).remove(build);
//update the unit cap when building is removed
data.unitCap -= tile.block().unitCapModifier;
//unregister building from building quadtree
if(data.buildingTree != null){
data.buildingTree.remove(build);
}
//remove indexed turret
if(data.turretTree != null && build.block.attacks){
data.turretTree.remove(build);
}
//unregister damaged buildings
if(build.wasDamaged && damagedTiles[team.id] != null){
damagedTiles[team.id].remove(build);
}
//is no longer registered
build.wasDamaged = false;
}
}
public void addIndex(Tile tile){
process(tile);
Item drop = tile.drop(), wallDrop = tile.wallDrop();
if(drop == null && wallDrop == null) return;
int qx = tile.x / quadrantSize, qy = tile.y / quadrantSize;
int pos = tile.pos();
if(tile.block() == Blocks.air){
if(drop != null){ //floor
if(ores[drop.id] == null) ores[drop.id] = new IntSeq[quadWidth][quadHeight];
if(ores[drop.id][qx][qy] == null) ores[drop.id][qx][qy] = new IntSeq(false, 16);
if(ores[drop.id][qx][qy].addUnique(pos)){
int old = allOres.increment(drop); //increment ore count only if not already counted
if(old == 0) updatePresentOres();
}
}
if(wallDrop != null && wallOres != null && wallOres[wallDrop.id] != null && wallOres[wallDrop.id][qx][qy] != null && wallOres[wallDrop.id][qx][qy].removeValue(pos)){ //wall
int old = allWallOres.increment(wallDrop, -1);
if(old == 1) updatePresentOres();
}
}else{
if(wallDrop != null){ //wall
if(wallOres[wallDrop.id] == null) wallOres[wallDrop.id] = new IntSeq[quadWidth][quadHeight];
if(wallOres[wallDrop.id][qx][qy] == null) wallOres[wallDrop.id][qx][qy] = new IntSeq(false, 16);
if(wallOres[wallDrop.id][qx][qy].addUnique(pos)){
int old = allWallOres.increment(wallDrop); //increment ore count only if not already counted
if(old == 0) updatePresentOres();
}
}
if(drop != null && ores != null && ores[drop.id] != null && ores[drop.id][qx][qy] != null && ores[drop.id][qx][qy].removeValue(pos)){ //floor
int old = allOres.increment(drop, -1);
if(old == 1) updatePresentOres();
}
}
}
/** @return whether a certain block is anywhere on this map. */
public boolean isBlockPresent(Block block){
return blocksPresent != null && blocksPresent[block.id];
}
private void clearFlags(){
for(int i = 0; i < flagMap.length; i++){
for(int j = 0; j < BlockFlag.all.length; j++){
flagMap[i][j] = new Seq();
}
}
}
private Seq<Building>[] getFlagged(Team team){
return flagMap[team.id];
}
/** @return whether this item is present on this map. */
public boolean hasOre(Item item){
return allOres.get(item) > 0;
}
/** @return whether this item is present on this map as a wall ore. */
public boolean hasWallOre(Item item){
return allWallOres.get(item) > 0;
}
/** Returns all damaged tiles by team. */
public Seq<Building> getDamaged(Team team){
if(damagedTiles[team.id] == null){
return damagedTiles[team.id] = new Seq<>(false);
}
var tiles = damagedTiles[team.id];
tiles.removeAll(b -> !b.damaged());
return tiles;
}
/** Get all allied blocks with a flag. */
public Seq<Building> getFlagged(Team team, BlockFlag type){
return flagMap[team.id][type.ordinal()];
}
@Nullable
public Building findClosestFlag(float x, float y, Team team, BlockFlag flag){
return Geometry.findClosest(x, y, getFlagged(team, flag));
}
public boolean eachBlock(Teamc team, float range, Boolf<Building> pred, Cons<Building> cons){
return eachBlock(team.team(), team.getX(), team.getY(), range, pred, cons);
}
public boolean eachBlock(@Nullable Team team, float wx, float wy, float range, Boolf<Building> pred, Cons<Building> cons){
if(team == null){
returnBool = false;
allBuildings(wx, wy, range, b -> {
if(pred.get(b)){
returnBool = true;
cons.get(b);
}
});
return returnBool;
}else{
breturnArray.clear();
var buildings = team.data().buildingTree;
if(buildings == null) return false;
buildings.intersect(wx - range, wy - range, range*2f, range*2f, b -> {
if(b.within(wx, wy, range + b.hitSize() / 2f) && pred.get(b)){
breturnArray.add(b);
}
});
}
int size = breturnArray.size;
var items = breturnArray.items;
for(int i = 0; i < size; i++){
cons.get(items[i]);
items[i] = null;
}
breturnArray.size = 0;
return size > 0;
}
/** Does not work with null teams. */
public boolean eachBlock(Team team, Rect rect, Boolf<Building> pred, Cons<Building> cons){
if(team == null) return false;
breturnArray.clear();
var buildings = team.data().buildingTree;
if(buildings == null) return false;
buildings.intersect(rect, b -> {
if(pred.get(b)){
breturnArray.add(b);
}
});
int size = breturnArray.size;
var items = breturnArray.items;
for(int i = 0; i < size; i++){
cons.get(items[i]);
items[i] = null;
}
breturnArray.size = 0;
return size > 0;
}
/** Get all enemy blocks with a flag. */
public Seq<Building> getEnemy(Team team, BlockFlag type){
breturnArray.clear();
Seq<TeamData> data = state.teams.present;
//when team data is not initialized, scan through every team. this is terrible
if(data.isEmpty()){
for(Team enemy : Team.all){
if(enemy == team || (enemy == Team.derelict && !state.rules.coreCapture)) continue;
var set = getFlagged(enemy)[type.ordinal()];
if(set != null){
breturnArray.addAll(set);
}
}
}else{
for(int i = 0; i < data.size; i++){
Team enemy = data.items[i].team;
if(enemy == team || (enemy == Team.derelict && !state.rules.coreCapture)) continue;
var set = getFlagged(enemy)[type.ordinal()];
if(set != null){
breturnArray.addAll(set);
}
}
}
return breturnArray;
}
public void notifyHealthChanged(Building build){
boolean damaged = build.damaged();
if(build.wasDamaged != damaged){
if(damagedTiles[build.team.id] == null){
damagedTiles[build.team.id] = new Seq<>(false);
}
if(damaged){
//is now damaged, add to array
damagedTiles[build.team.id].add(build);
}else{
//no longer damaged, remove
damagedTiles[build.team.id].remove(build);
}
build.wasDamaged = damaged;
}
}
public void allBuildings(float x, float y, float range, Cons<Building> cons){
breturnArray.clear();
for(int i = 0; i < activeTeams.size; i++){
Team team = activeTeams.items[i];
var buildings = team.data().buildingTree;
if(buildings == null) continue;
buildings.intersect(x - range, y - range, range*2f, range*2f, breturnArray);
}
var items = breturnArray.items;
int size = breturnArray.size;
for(int i = 0; i < size; i++){
var b = items[i];
if(b != null && b.within(x, y, range + b.hitSize()/2f)){
cons.get(b);
}
items[i] = null;
}
breturnArray.size = 0;
}
public Building findEnemyTile(Team team, float x, float y, float range, BuildingPriorityf priority, Boolf<Building> pred){
Building target = null;
float targetDist = 0;
for(int i = 0; i < activeTeams.size; i++){
Team enemy = activeTeams.items[i];
if(enemy == team || (enemy == Team.derelict && !state.rules.coreCapture)) continue;
Building candidate = indexer.findTile(enemy, x, y, range, b -> pred.get(b) && b.isDiscovered(team), true);
if(candidate == null) continue;
//if a block has the same priority, the closer one should be targeted
float dist = candidate.dst(x, y) - candidate.hitSize() / 2f;
if(target == null ||
//if it is closer and is at least equal priority
(dist < targetDist && priority.priority(candidate) >= priority.priority(target)) ||
// block has higher priority (so range doesn't matter)
priority.priority(candidate) > priority.priority(target)){
target = candidate;
targetDist = dist;
}
}
return target;
}
public Building findEnemyTile(Team team, float x, float y, float range, Boolf<Building> pred){
return findEnemyTile(team, x, y, range, UnitSorts.buildingDefault, pred);
}
public Building findTile(Team team, float x, float y, float range, Boolf<Building> pred){
return findTile(team, x, y, range, pred, false);
}
public Building findTile(Team team, float x, float y, float range, Boolf<Building> pred, boolean usePriority){
Building closest = null;
float dst = 0;
var buildings = team.data().buildingTree;
if(buildings == null) return null;
breturnArray.clear();
buildings.intersect(rect.setCentered(x, y, range * 2f), breturnArray);
for(int i = 0; i < breturnArray.size; i++){
var next = breturnArray.items[i];
if(!pred.get(next) || !next.block.targetable) continue;
float bdst = next.dst(x, y) - next.hitSize() / 2f;
if(bdst < range && (closest == null ||
//this one is closer, and it is at least of equal priority
(bdst < dst && (!usePriority || closest.block.priority <= next.block.priority)) ||
//priority is used, and new block has higher priority regardless of range
(usePriority && closest.block.priority < next.block.priority))){
dst = bdst;
closest = next;
}
}
return closest;
}
/** Find the closest ore block relative to a position. */
public Tile findClosestOre(float xp, float yp, Item item){
if(ores[item.id] != null){
float minDst = 0f;
Tile closest = null;
for(int qx = 0; qx < quadWidth; qx++){
for(int qy = 0; qy < quadHeight; qy++){
var arr = ores[item.id][qx][qy];
if(arr != null && arr.size > 0){
Tile tile = world.tile(arr.first());
if(tile.block() == Blocks.air){
float dst = Mathf.dst2(xp, yp, tile.worldx(), tile.worldy());
if(closest == null || dst < minDst){
closest = tile;
minDst = dst;
}
}
}
}
}
return closest;
}
return null;
}
/** Find the closest ore wall relative to a position. */
public Tile findClosestWallOre(float xp, float yp, Item item){
//(stolen from foo's client :))))
if(wallOres[item.id] != null){
float minDst = 0f;
Tile closest = null;
for(int qx = 0; qx < quadWidth; qx++){
for(int qy = 0; qy < quadHeight; qy++){
var arr = wallOres[item.id][qx][qy];
if(arr != null && arr.size > 0){
Tile tile = world.tile(arr.first());
if(tile.block() != Blocks.air){
float dst = Mathf.dst2(xp, yp, tile.worldx(), tile.worldy());
if(closest == null || dst < minDst){
closest = tile;
minDst = dst;
}
}
}
}
}
return closest;
}
return null;
}
/** Find the closest ore block relative to a position. */
public Tile findClosestOre(Unit unit, Item item){
return findClosestOre(unit.x, unit.y, item);
}
/** Find the closest ore block relative to a position. */
public Tile findClosestWallOre(Unit unit, Item item){
return findClosestWallOre(unit.x, unit.y, item);
}
private void process(Tile tile){
var team = tile.team();
//only process entity changes with centered tiles
if(tile.isCenter() && tile.build != null){
var data = team.data();
if(tile.block().flags.size > 0 && tile.isCenter()){
var map = getFlagged(team);
for(BlockFlag flag : tile.block().flags.array){
map[flag.ordinal()].add(tile.build);
}
}
//record in list of buildings
data.buildings.add(tile.build);
data.buildingTypes.get(tile.block(), () -> new Seq<>(false)).add(tile.build);
//update the unit cap when new tile is registered
data.unitCap += tile.block().unitCapModifier;
if(!activeTeams.contains(team)){
activeTeams.add(team);
}
//insert the new tile into the quadtree for targeting
if(data.buildingTree == null){
data.buildingTree = new QuadTree<>(new Rect(0, 0, world.unitWidth(), world.unitHeight()));
}
data.buildingTree.insert(tile.build);
if(tile.block().attacks && tile.build instanceof Ranged){
if(data.turretTree == null){
data.turretTree = new TurretQuadtree(new Rect(0, 0, world.unitWidth(), world.unitHeight()));
}
data.turretTree.insert(tile.build);
}
notifyHealthChanged(tile.build);
}
if(blocksPresent != null){
if(!tile.block().isStatic()){
blocksPresent[tile.floorID()] = true;
blocksPresent[tile.overlayID()] = true;
}
//bounds checks only needed in very specific scenarios
if(tile.blockID() < blocksPresent.length) blocksPresent[tile.blockID()] = true;
}
}
static class TurretQuadtree extends QuadTree<Building>{
public TurretQuadtree(Rect bounds){
super(bounds);
}
@Override
public void hitbox(Building build){
tmp.setCentered(build.x, build.y, ((Ranged)build).range() * 2f);
}
@Override
protected QuadTree<Building> newChild(Rect rect){
return new TurretQuadtree(rect);
}
}
}