Various small tweaks

core/src/mindustry/ai/Pathfinder.java

@@ -112,7 +112,7 @@ public class Pathfinder implements Runnable{
         }
 
         return PathTile.get(
-            tile.build == null ? 0 : Math.min((int)(tile.build.health / 40), 80),
+            tile.build == null || !tile.solid() ? 0 : Math.min((int)(tile.build.health / 40), 80),
             tile.getTeamID(),
             tile.solid(),
             tile.floor().isLiquid,

core/src/mindustry/content/Blocks.java

@@ -919,8 +919,8 @@ public class Blocks implements ContentList{
         shockMine = new ShockMine("shock-mine"){{
             requirements(Category.effect, with(Items.lead, 25, Items.silicon, 12));
             hasShadow = false;
-            health = 40;
-            damage = 23;
+            health = 50;
+            damage = 25;
             tileDamage = 7f;
             length = 10;
             tendrils = 4;

core/src/mindustry/entities/comp/FireComp.java

@@ -16,7 +16,7 @@ import static mindustry.Vars.*;
 @EntityDef(value = {Firec.class}, pooled = true)
 @Component(base = true)
 abstract class FireComp implements Timedc, Posc, Firec, Syncc{
-    private static final float spreadChance = 0.05f, fireballChance = 0.07f;
+    private static final float spreadChance = 0.04f, fireballChance = 0.06f;
 
     @Import float time, lifetime, x, y;
 

core/src/mindustry/game/DefaultWaves.java

@@ -18,6 +18,7 @@ public class DefaultWaves{
             new SpawnGroup(dagger){{
                 end = 10;
                 unitScaling = 2f;
+                max = 30;
             }},
 
             new SpawnGroup(crawler){{
@@ -45,6 +46,7 @@ public class DefaultWaves{
                 begin = 13;
                 spacing = 3;
                 unitScaling = 0.5f;
+                max = 25;
             }},
 
             new SpawnGroup(mace){{
@@ -61,7 +63,7 @@ public class DefaultWaves{
                 unitAmount = 4;
                 spacing = 2;
                 shieldScaling = 10f;
-                max = 20;
+                max = 14;
             }},
 
             new SpawnGroup(mace){{
@@ -94,6 +96,7 @@ public class DefaultWaves{
                 unitScaling = 1;
                 spacing = 2;
                 shieldScaling = 20f;
+                max = 20;
             }},
 
             new SpawnGroup(quasar){{
@@ -111,6 +114,7 @@ public class DefaultWaves{
                 unitAmount = 1;
                 unitScaling = 3;
                 effect = StatusEffects.shielded;
+                max = 25;
             }},
 
             new SpawnGroup(fortress){{
@@ -138,6 +142,7 @@ public class DefaultWaves{
                 effect = StatusEffects.overdrive;
                 items = new ItemStack(Items.pyratite, 100);
                 end = 130;
+                max = 30;
             }},
 
             new SpawnGroup(horizon){{
@@ -156,6 +161,7 @@ public class DefaultWaves{
                 shields = 100f;
                 shieldScaling = 10f;
                 effect = StatusEffects.overdrive;
+                max = 20;
             }},
 
             new SpawnGroup(zenith){{