Files
Mindustry/core/src/mindustry/entities/Units.java
2022-05-12 09:40:03 -04:00

481 lines
17 KiB
Java

package mindustry.entities;
import arc.*;
import arc.func.*;
import arc.math.geom.*;
import arc.struct.*;
import arc.util.*;
import mindustry.annotations.Annotations.*;
import mindustry.content.*;
import mindustry.game.*;
import mindustry.game.Teams.*;
import mindustry.gen.*;
import mindustry.type.*;
import mindustry.world.*;
import static mindustry.Vars.*;
/** Utility class for unit and team interactions.*/
public class Units{
private static final Rect hitrect = new Rect();
private static Unit result;
private static float cdist, cpriority;
private static boolean boolResult;
private static int intResult;
private static Building buildResult;
//prevents allocations in anyEntities
private static boolean anyEntityGround;
private static float aeX, aeY, aeW, aeH;
private static final Cons<Unit> anyEntityLambda = unit -> {
if(boolResult) return;
if((unit.isGrounded() && !unit.type.allowLegStep) == anyEntityGround){
unit.hitboxTile(hitrect);
if(hitrect.overlaps(aeX, aeY, aeW, aeH)){
boolResult = true;
}
}
};
@Remote(called = Loc.server)
public static void unitCapDeath(Unit unit){
if(unit != null){
unit.dead = true;
Fx.unitCapKill.at(unit);
Core.app.post(() -> Call.unitDestroy(unit.id));
}
}
@Remote(called = Loc.server)
public static void unitEnvDeath(Unit unit){
if(unit != null){
unit.dead = true;
Fx.unitEnvKill.at(unit);
Core.app.post(() -> Call.unitDestroy(unit.id));
}
}
@Remote(called = Loc.server)
public static void unitDeath(int uid){
Unit unit = Groups.unit.getByID(uid);
//if there's no unit don't add it later and get it stuck as a ghost
if(netClient != null){
netClient.addRemovedEntity(uid);
}
if(unit != null){
unit.killed();
}
}
//destroys immediately
@Remote(called = Loc.server)
public static void unitDestroy(int uid){
Unit unit = Groups.unit.getByID(uid);
//if there's no unit don't add it later and get it stuck as a ghost
if(netClient != null){
netClient.addRemovedEntity(uid);
}
if(unit != null){
unit.destroy();
}
}
@Remote(called = Loc.server)
public static void unitDespawn(Unit unit){
Fx.unitDespawn.at(unit.x, unit.y, 0, unit);
unit.remove();
}
/** @return whether a new instance of a unit of this team can be created. */
public static boolean canCreate(Team team, UnitType type){
return team.data().countType(type) < getCap(team);
}
public static int getCap(Team team){
//wave team has no cap
if((team == state.rules.waveTeam && !state.rules.pvp) || (state.isCampaign() && team == state.rules.waveTeam)){
return Integer.MAX_VALUE;
}
return Math.max(0, state.rules.unitCapVariable ? state.rules.unitCap + team.data().unitCap : state.rules.unitCap);
}
/** @return unit cap as a string, substituting the infinity symbol instead of MAX_VALUE */
public static String getStringCap(Team team){
int cap = getCap(team);
return cap >= Integer.MAX_VALUE - 1 ? "" : cap + "";
}
/** @return whether this player can interact with a specific tile. if either of these are null, returns true.*/
public static boolean canInteract(Player player, Building tile){
return player == null || tile == null || tile.interactable(player.team());
}
/**
* Validates a target.
* @param target The target to validate
* @param team The team of the thing doing tha targeting
* @param x The X position of the thing doing the targeting
* @param y The Y position of the thing doing the targeting
* @param range The maximum distance from the target X/Y the targeter can be for it to be valid
* @return whether the target is invalid
*/
public static boolean invalidateTarget(Posc target, Team team, float x, float y, float range){
return target == null ||
(range != Float.MAX_VALUE && !target.within(x, y, range + (target instanceof Sized hb ? hb.hitSize()/2f : 0f))) ||
(target instanceof Teamc t && t.team() == team) ||
(target instanceof Healthc h && !h.isValid()) ||
(target instanceof Unit u && !u.targetable(team));
}
/** See {@link #invalidateTarget(Posc, Team, float, float, float)} */
public static boolean invalidateTarget(Posc target, Team team, float x, float y){
return invalidateTarget(target, team, x, y, Float.MAX_VALUE);
}
/** See {@link #invalidateTarget(Posc, Team, float, float, float)} */
public static boolean invalidateTarget(Teamc target, Unit targeter, float range){
return invalidateTarget(target, targeter.team(), targeter.x(), targeter.y(), range);
}
/** Returns whether there are any entities on this tile. */
public static boolean anyEntities(Tile tile, boolean ground){
float size = tile.block().size * tilesize;
return anyEntities(tile.drawx() - size/2f, tile.drawy() - size/2f, size, size, ground);
}
/** Returns whether there are any entities on this tile. */
public static boolean anyEntities(Tile tile){
return anyEntities(tile, true);
}
public static boolean anyEntities(float x, float y, float size){
return anyEntities(x - size/2f, y - size/2f, size, size, true);
}
public static boolean anyEntities(float x, float y, float width, float height){
return anyEntities(x, y, width, height, true);
}
public static boolean anyEntities(float x, float y, float width, float height, boolean ground){
boolResult = false;
anyEntityGround = ground;
aeX = x;
aeY = y;
aeW = width;
aeH = height;
nearby(x, y, width, height, anyEntityLambda);
return boolResult;
}
public static boolean anyEntities(float x, float y, float width, float height, Boolf<Unit> check){
boolResult = false;
nearby(x, y, width, height, unit -> {
if(boolResult) return;
if(check.get(unit)){
unit.hitboxTile(hitrect);
if(hitrect.overlaps(x, y, width, height)){
boolResult = true;
}
}
});
return boolResult;
}
/** Returns the nearest damaged tile. */
public static Building findDamagedTile(Team team, float x, float y){
return indexer.getDamaged(team).min(b -> b.dst2(x, y));
}
/** Returns the nearest ally tile in a range. */
public static Building findAllyTile(Team team, float x, float y, float range, Boolf<Building> pred){
return indexer.findTile(team, x, y, range, pred);
}
/** Returns the nearest enemy tile in a range. */
public static Building findEnemyTile(Team team, float x, float y, float range, Boolf<Building> pred){
if(team == Team.derelict) return null;
return indexer.findEnemyTile(team, x, y, range, pred);
}
/** @return the closest building of the provided team that matches the predicate. */
public static @Nullable Building closestBuilding(Team team, float wx, float wy, float range, Boolf<Building> pred){
buildResult = null;
cdist = 0f;
var buildings = team.data().buildingTree;
if(buildings == null) return null;
buildings.intersect(wx - range, wy - range, range*2f, range*2f, b -> {
if(pred.get(b)){
float dst = b.dst(wx, wy) - b.hitSize()/2f;
if(dst <= range && (buildResult == null || dst <= cdist)){
cdist = dst;
buildResult = b;
}
}
});
return buildResult;
}
/** Iterates through all buildings in a range. */
public static void nearbyBuildings(float x, float y, float range, Cons<Building> cons){
indexer.allBuildings(x, y, range, cons);
}
/** Returns the closest target enemy. First, units are checked, then tile entities. */
public static Teamc closestTarget(Team team, float x, float y, float range){
return closestTarget(team, x, y, range, Unit::isValid);
}
/** Returns the closest target enemy. First, units are checked, then tile entities. */
public static Teamc closestTarget(Team team, float x, float y, float range, Boolf<Unit> unitPred){
return closestTarget(team, x, y, range, unitPred, t -> true);
}
/** Returns the closest target enemy. First, units are checked, then tile entities. */
public static Teamc closestTarget(Team team, float x, float y, float range, Boolf<Unit> unitPred, Boolf<Building> tilePred){
if(team == Team.derelict) return null;
Unit unit = closestEnemy(team, x, y, range, unitPred);
if(unit != null){
return unit;
}else{
return findEnemyTile(team, x, y, range, tilePred);
}
}
/** Returns the closest target enemy. First, units are checked, then buildings. */
public static Teamc bestTarget(Team team, float x, float y, float range, Boolf<Unit> unitPred, Boolf<Building> tilePred, Sortf sort){
if(team == Team.derelict) return null;
Unit unit = bestEnemy(team, x, y, range, unitPred, sort);
if(unit != null){
return unit;
}else{
return findEnemyTile(team, x, y, range, tilePred);
}
}
/** Returns the closest enemy of this team. Filter by predicate. */
public static Unit closestEnemy(Team team, float x, float y, float range, Boolf<Unit> predicate){
if(team == Team.derelict) return null;
result = null;
cdist = 0f;
cpriority = -99999f;
nearbyEnemies(team, x - range, y - range, range*2f, range*2f, e -> {
if(e.dead() || !predicate.get(e) || e.team == Team.derelict || !e.targetable(team)) return;
float dst2 = e.dst2(x, y) - (e.hitSize * e.hitSize);
if(dst2 < range*range && (result == null || dst2 < cdist || e.type.targetPriority > cpriority) && e.type.targetPriority >= cpriority){
result = e;
cdist = dst2;
cpriority = e.type.targetPriority;
}
});
return result;
}
/** Returns the closest enemy of this team using a custom comparison function. Filter by predicate. */
public static Unit bestEnemy(Team team, float x, float y, float range, Boolf<Unit> predicate, Sortf sort){
if(team == Team.derelict) return null;
result = null;
cdist = 0f;
cpriority = -99999f;
nearbyEnemies(team, x - range, y - range, range*2f, range*2f, e -> {
if(e.dead() || !predicate.get(e) || e.team == Team.derelict || !e.within(x, y, range + e.hitSize/2f) || !e.targetable(team)) return;
float cost = sort.cost(e, x, y);
if((result == null || cost < cdist || e.type.targetPriority > cpriority) && e.type.targetPriority >= cpriority){
result = e;
cdist = cost;
cpriority = e.type.targetPriority;
}
});
return result;
}
/** Returns the closest ally of this team. Filter by predicate. No range. */
public static Unit closest(Team team, float x, float y, Boolf<Unit> predicate){
result = null;
cdist = 0f;
for(Unit e : Groups.unit){
if(!predicate.get(e) || e.team() != team) continue;
float dist = e.dst2(x, y);
if(result == null || dist < cdist){
result = e;
cdist = dist;
}
}
return result;
}
/** Returns the closest ally of this team in a range. Filter by predicate. */
public static Unit closest(Team team, float x, float y, float range, Boolf<Unit> predicate){
result = null;
cdist = 0f;
nearby(team, x, y, range, e -> {
if(!predicate.get(e)) return;
float dist = e.dst2(x, y);
if(result == null || dist < cdist){
result = e;
cdist = dist;
}
});
return result;
}
/** Returns the closest ally of this team in a range. Filter by predicate. */
public static Unit closest(Team team, float x, float y, float range, Boolf<Unit> predicate, Sortf sort){
result = null;
cdist = 0f;
nearby(team, x, y, range, e -> {
if(!predicate.get(e)) return;
float dist = sort.cost(e, x, y);
if(result == null || dist < cdist){
result = e;
cdist = dist;
}
});
return result;
}
/** Returns the closest ally of this team. Filter by predicate.
* Unlike the closest() function, this only guarantees that unit hitboxes overlap the range. */
public static Unit closestOverlap(Team team, float x, float y, float range, Boolf<Unit> predicate){
result = null;
cdist = 0f;
nearby(team, x - range, y - range, range*2f, range*2f, e -> {
if(!predicate.get(e)) return;
float dist = e.dst2(x, y);
if(result == null || dist < cdist){
result = e;
cdist = dist;
}
});
return result;
}
/** @return whether any units exist in this square (centered) */
public static int count(float x, float y, float size, Boolf<Unit> filter){
return count(x - size/2f, y - size/2f, size, size, filter);
}
/** @return whether any units exist in this rectangle */
public static int count(float x, float y, float width, float height, Boolf<Unit> filter){
intResult = 0;
Groups.unit.intersect(x, y, width, height, v -> {
if(filter.get(v)){
intResult ++;
}
});
return intResult;
}
/** @return whether any units exist in this rectangle */
public static boolean any(float x, float y, float width, float height, Boolf<Unit> filter){
return count(x, y, width, height, filter) > 0;
}
/** Iterates over all units in a rectangle. */
public static void nearby(@Nullable Team team, float x, float y, float width, float height, Cons<Unit> cons){
if(team != null){
team.data().tree().intersect(x, y, width, height, cons);
}else{
for(var other : state.teams.getActive()){
other.tree().intersect(x, y, width, height, cons);
}
}
}
/** Iterates over all units in a circle around this position. */
public static void nearby(@Nullable Team team, float x, float y, float radius, Cons<Unit> cons){
nearby(team, x - radius, y - radius, radius*2f, radius*2f, unit -> {
if(unit.within(x, y, radius + unit.hitSize/2f)){
cons.get(unit);
}
});
}
/** Iterates over all units in a rectangle. */
public static void nearby(float x, float y, float width, float height, Cons<Unit> cons){
Groups.unit.intersect(x, y, width, height, cons);
}
/** Iterates over all units in a rectangle. */
public static void nearby(Rect rect, Cons<Unit> cons){
nearby(rect.x, rect.y, rect.width, rect.height, cons);
}
/** Iterates over all units that are enemies of this team. */
public static void nearbyEnemies(Team team, float x, float y, float width, float height, Cons<Unit> cons){
Seq<TeamData> data = state.teams.present;
for(int i = 0; i < data.size; i++){
if(data.items[i].team != team){
nearby(data.items[i].team, x, y, width, height, cons);
}
}
}
/** Iterates over all units that are enemies of this team. */
public static void nearbyEnemies(Team team, float x, float y, float radius, Cons<Unit> cons){
nearbyEnemies(team, x - radius, y - radius, radius * 2f, radius * 2f, u -> {
if(u.within(x, y, radius + u.hitSize/2f)){
cons.get(u);
}
});
}
/** Iterates over all units that are enemies of this team. */
public static void nearbyEnemies(Team team, Rect rect, Cons<Unit> cons){
nearbyEnemies(team, rect.x, rect.y, rect.width, rect.height, cons);
}
/** @return whether there is an enemy in this rectangle. */
public static boolean nearEnemy(Team team, float x, float y, float width, float height){
Seq<TeamData> data = state.teams.present;
for(int i = 0; i < data.size; i++){
var other = data.items[i];
if(other.team != team){
if(other.tree().any(x, y, width, height)){
return true;
}
if(other.turretTree != null && other.turretTree.any(x, y, width, height)){
return true;
}
}
}
return false;
}
public interface Sortf{
float cost(Unit unit, float x, float y);
}
}