Merge pull request #241 from Ghoulboy78/modfy

added gamemode and jumping modifications

docs/scarpet/Full.md

@@ -2719,6 +2719,34 @@ and `true`. If no duration is specified, or it is null or 0, the effect is remov
 Sets AI to stay around the home position, within `distance` blocks from it. `distance` defaults to 16 blocks. 
 `null` removes it. _May_ not work fully with mobs that have this AI built in, like Villagers.
 
+### `modify(e, 'gamemode', gamemode?), modify(e, 'gamemode',gamemode_id?)`
+
+Modifies gamemode of player to whatever string (case-insensitive) or number you put in.
+
+* 0: survival
+* 1: creative
+* 2: adventure
+* 3: spectator
+
+### `modify(e, 'jumping', true/false?)`
+
+Will make the entity constantly jump if set to true, and will stop the entity from jumping if set to false.
+
+### `modify(e, 'jump'))`
+
+Will make the entity jump once only
+
+### `modify(e, 'silent', true/false)`
+
+### `modify(e, 'gravity', true/false)`
+
+### `modify(e, 'fire', ticks)`
+
+Will set mob on fire for `ticks` ticks. Set to 0 to extinguish.
+
+### `modify(e, 'age', age)`
+
+
 ## Entity Events
 
 There is a number of events that happen to entities that you can attach your own code to in the form of event handlers. 

docs/scarpet/api/Entities.md

@@ -458,6 +458,33 @@ and `true`. If no duration is specified, or it is null or 0, the effect is remov
 Sets AI to stay around the home position, within `distance` blocks from it. `distance` defaults to 16 blocks. 
 `null` removes it. _May_ not work fully with mobs that have this AI built in, like Villagers.
 
+### `modify(e, 'gamemode', gamemode?), modify(e, 'gamemode',gamemode_id?)`
+
+Modifies gamemode of player to whatever string (case-insensitive) or number you put in.
+
+* 0: survival
+* 1: creative
+* 2: adventure
+* 3: spectator
+
+### `modify(e, 'jumping', true/false)`
+
+Will make the entity constantly jump if set to true, and will stop the entity from jumping if set to false.
+
+### `modify(e, 'jump'))`
+
+Will make the entity jump once only
+
+### `modify(e, 'silent', true/false)`
+
+### `modify(e, 'gravity', true/false)`
+
+### `modify(e, 'fire', ticks)`
+
+Will set mob on fire for `ticks` ticks. Set to 0 to extinguish.
+
+### `modify(e, 'age', age)`
+
 ## Entity Events
 
 There is a number of events that happen to entities that you can attach your own code to in the form of event handlers. 

src/main/java/carpet/script/value/EntityValue.java

@@ -45,6 +45,7 @@ import net.minecraft.util.math.Direction;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.registry.Registry;
+import net.minecraft.world.GameMode;
 import org.apache.commons.lang3.tuple.Pair;
 
 import java.util.ArrayList;
@@ -60,6 +61,7 @@ import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
 import static carpet.script.value.NBTSerializableValue.nameFromRegistryId;
+import static carpet.utils.MobAI.jump;
 
 // TODO: decide whether copy(entity) should duplicate entity in the world.
 public class EntityValue extends Value
@@ -876,7 +878,7 @@ public class EntityValue extends Value
                     {
                         le.removeStatusEffect(effect);
                         return;
-                    } 
+                    }
                     int amplifier = 0;
                     if (lv.size() > 2)
                         amplifier = (int)NumericValue.asNumber(lv.get(2)).getLong();
@@ -893,21 +895,63 @@ public class EntityValue extends Value
             throw new InternalExpressionException("'effect' needs either no arguments (clear) or effect name, duration, and optional amplifier, show particles and show icon");
         });
 
-        // gamemode
-        // spectate
-        // "fire"
-        // "extinguish"
-        // "silent"
-        // "gravity"
-        // "invulnerable"
-        // "dimension"
-        // "item"
-        // "count",
-        // "age",
-        // "effect_"name
-        // "hold"
-        // "hold_offhand"
-        // "jump"
+        put("gamemode", (e,v)->{
+            if(!(e instanceof ServerPlayerEntity)){
+                return;
+            }
+            switch(v.getString().toLowerCase()){
+                case "survival": case "0":((ServerPlayerEntity) e).setGameMode(GameMode.SURVIVAL);break;
+                case "creative": case "1":((ServerPlayerEntity) e).setGameMode(GameMode.CREATIVE);break;
+                case "adventure": case "2":((ServerPlayerEntity) e).setGameMode(GameMode.ADVENTURE);break;
+                case "spectator": case "3":((ServerPlayerEntity) e).setGameMode(GameMode.SPECTATOR);break;
+            }
+        });
+
+        put("jumping",(e,v)->{
+            if(!(e instanceof LivingEntity)) return;
+
+            ((LivingEntity) e).setJumping(v.getBoolean());
+        });
+
+        put("jump",(e,v)->{
+            jump((LivingEntity)e);
+        });
+
+        put("silent",(e,v)->{
+           e.setSilent(v.getBoolean());
+        });
+
+        put("gravity",(e,v)->{
+            e.setNoGravity(!v.getBoolean());
+        });
+
+        put("invulnerable",(e,v)->{
+            e.setInvulnerable(v.getBoolean());
+        });
+
+        put("fire",(e,v)->{
+            e.setFireTicks((int)NumericValue.asNumber(v).getLong());
+        });
+
+        put("age",(e,v)->{
+            e.age=(int)NumericValue.asNumber(v).getLong();
+        });
+
+        // gamemode         [check]
+        // spectate         [check]
+        // "fire"           [check]
+        // "extinguish"     [set fire ticks to 0]
+        // "silent"         [check]
+        // "gravity"        [check]
+        // "invulnerable"   [check]
+        // "dimension"      []
+        // "item"           []
+        // "count",         []
+        // "age",           [check]
+        // "effect_"name    []
+        // "hold"           [inventory_set?]
+        // "hold_offhand"   [inventory_set?] 
+        // "jump"           [check]
         // "nbt" <-big one, for now use run('data merge entity ...
     }};
 

src/main/java/carpet/utils/MobAI.java

@@ -4,7 +4,12 @@ import carpet.CarpetServer;
 import com.google.common.collect.Sets;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.effect.StatusEffects;
 import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.registry.Registry;
 
 import java.util.HashMap;
@@ -93,4 +98,24 @@ public class MobAI
         }
     }
 
+    public static void jump(LivingEntity e){//Most *REDACTED* up code in the world
+        float m = e.world.getBlockState(new BlockPos(e)).getBlock().getJumpVelocityMultiplier();
+        float g = e.world.getBlockState(new BlockPos(e.getX(), e.getBoundingBox().y1 - 0.5000001D, e.getZ())).getBlock().getJumpVelocityMultiplier();
+        float JumpVelocityMultiplier= (double)m == 1.0D ? g : m;
+
+        float f = (0.42F * JumpVelocityMultiplier);
+        if (e.hasStatusEffect(StatusEffects.JUMP_BOOST)) {
+            f += 0.1F * (float)(e.getStatusEffect(StatusEffects.JUMP_BOOST).getAmplifier() + 1);
+        }
+
+        Vec3d vec3d = e.getVelocity();
+        e.setVelocity(vec3d.x, f, vec3d.z);
+        if (e.isSprinting()) {
+            float u = e.yaw * 0.017453292F;
+            e.setVelocity(e.getVelocity().add((-MathHelper.sin(g) * 0.2F), 0.0D, (MathHelper.cos(u) * 0.2F)));
+        }
+
+        e.velocityDirty = true;
+    }
+
 }