Files
Mindustry/core/src/mindustry/entities/comp/CrawlComp.java
2023-01-07 11:30:49 -05:00

116 lines
3.5 KiB
Java

package mindustry.entities.comp;
import arc.math.*;
import arc.math.geom.*;
import arc.util.*;
import mindustry.*;
import mindustry.ai.*;
import mindustry.annotations.Annotations.*;
import mindustry.content.*;
import mindustry.entities.*;
import mindustry.entities.EntityCollisions.*;
import mindustry.game.*;
import mindustry.gen.*;
import mindustry.type.*;
import mindustry.world.*;
import mindustry.world.blocks.environment.*;
import static mindustry.Vars.*;
@Component
abstract class CrawlComp implements Posc, Rotc, Hitboxc, Unitc{
@Import float x, y, speedMultiplier, rotation, hitSize;
@Import UnitType type;
@Import Team team;
@Import Vec2 vel;
transient Floor lastDeepFloor;
transient float lastCrawlSlowdown = 1f;
transient float segmentRot, crawlTime = Mathf.random(100f);
@Replace
@Override
public SolidPred solidity(){
return EntityCollisions::legsSolid;
}
@Override
@Replace
public int pathType(){
return Pathfinder.costLegs;
}
@Override
@Replace
public float floorSpeedMultiplier(){
Floor on = isFlying() ? Blocks.air.asFloor() : floorOn();
//TODO take into account extra blocks
return (on.isDeep() ? 0.45f : on.speedMultiplier) * speedMultiplier * lastCrawlSlowdown;
}
@Override
public void add(){
//reset segment rotation on add
segmentRot = rotation;
}
@Override
@Replace
public Floor drownFloor(){
return lastDeepFloor;
}
@Override
public void update(){
if(moving()){
segmentRot = Angles.moveToward(segmentRot, rotation, type.segmentRotSpeed);
int radius = (int)Math.max(0, hitSize / tilesize * 2f);
int count = 0, solids = 0, deeps = 0;
lastDeepFloor = null;
//calculate tiles under this unit, and apply slowdown + particle effects
for(int cx = -radius; cx <= radius; cx++){
for(int cy = -radius; cy <= radius; cy++){
if(cx*cx + cy*cy <= radius){
count ++;
Tile t = Vars.world.tileWorld(x + cx*tilesize, y + cy*tilesize);
if(t != null){
if(t.solid()){
solids ++;
}
if(t.floor().isDeep()){
deeps ++;
lastDeepFloor = t.floor();
}
//TODO area damage to units
if(t.build != null && t.build.team != team){
t.build.damage(team, type.crushDamage * Time.delta * state.rules.unitDamage(team));
}
if(Mathf.chanceDelta(0.025)){
Fx.crawlDust.at(t.worldx(), t.worldy(), t.floor().mapColor);
}
}else{
solids ++;
}
}
}
}
//when most blocks under this unit cannot be drowned in, do not drown
if((float)deeps / count < 0.75f){
lastDeepFloor = null;
}
lastCrawlSlowdown = Mathf.lerp(1f, type.crawlSlowdown, Mathf.clamp((float)solids / count / type.crawlSlowdownFrac));
}
segmentRot = Angles.clampRange(segmentRot, rotation, type.segmentMaxRot);
crawlTime += vel.len();
}
}