added __on_player_chooses_recipe and __on_player_switches_slot events

src/main/java/carpet/mixins/ServerPlayNetworkHandler_scarpetEventsMixin.java

@@ -1,6 +1,9 @@
 package carpet.mixins;
 
 import net.minecraft.item.ItemStack;
+import net.minecraft.network.packet.c2s.play.ButtonClickC2SPacket;
+import net.minecraft.network.packet.c2s.play.CraftRequestC2SPacket;
+import net.minecraft.network.packet.c2s.play.UpdateSelectedSlotC2SPacket;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.network.packet.c2s.play.ClientCommandC2SPacket;
@@ -29,10 +32,12 @@ import static carpet.script.CarpetEventServer.Event.PLAYER_RELEASED_ITEM;
 import static carpet.script.CarpetEventServer.Event.PLAYER_RIDES;
 import static carpet.script.CarpetEventServer.Event.PLAYER_JUMPS;
 import static carpet.script.CarpetEventServer.Event.PLAYER_RIGHT_CLICKS_BLOCK;
+import static carpet.script.CarpetEventServer.Event.PLAYER_CHOOSES_RECIPE;
 import static carpet.script.CarpetEventServer.Event.PLAYER_STARTS_SNEAKING;
 import static carpet.script.CarpetEventServer.Event.PLAYER_STARTS_SPRINTING;
 import static carpet.script.CarpetEventServer.Event.PLAYER_STOPS_SNEAKING;
 import static carpet.script.CarpetEventServer.Event.PLAYER_STOPS_SPRINTING;
+import static carpet.script.CarpetEventServer.Event.PLAYER_SWITCHES_SLOT;
 import static carpet.script.CarpetEventServer.Event.PLAYER_USES_ITEM;
 import static carpet.script.CarpetEventServer.Event.PLAYER_WAKES_UP;
 
@@ -219,4 +224,28 @@ public class ServerPlayNetworkHandler_scarpetEventsMixin
         //todo add hit and hand in the future
         PLAYER_ATTACKS_ENTITY.onEntityAction(player, playerInteractEntityC2SPacket_1.getEntity(player.getServerWorld()), null);
     }
+
+    @Inject(method = "onButtonClick", at = @At("HEAD"))
+    private void onItemBeingPickedFromInventory(ButtonClickC2SPacket packet, CallbackInfo ci)
+    {
+        // crafts not int the crafting window
+        //CarpetSettings.LOG.error("Player clicks button "+packet.getButtonId());
+    }
+    @Inject(method = "onCraftRequest", at = @At("HEAD"))
+    private void onRecipeSelectedInRecipeManager(CraftRequestC2SPacket packet, CallbackInfo ci)
+    {
+        if (PLAYER_CHOOSES_RECIPE.isNeeded())
+        {
+            PLAYER_CHOOSES_RECIPE.onRecipeSelected(player, packet.getRecipe(), packet.shouldCraftAll());
+        }
+    }
+
+    @Inject(method = "onUpdateSelectedSlot", at = @At("HEAD"))
+    private void onUpdatedSelectedSLot(UpdateSelectedSlotC2SPacket packet, CallbackInfo ci)
+    {
+        if (PLAYER_SWITCHES_SLOT.isNeeded())
+        {
+            PLAYER_SWITCHES_SLOT.onSlotSwitch(player, player.inventory.selectedSlot, packet.getSelectedSlot());
+        }
+    }
 }

src/main/java/carpet/script/CarpetEventServer.java

@@ -488,6 +488,37 @@ public class CarpetEventServer
                 handler.call( () -> Collections.singletonList(((c, t) -> new EntityValue(player))), player::getCommandSource);
             }
         },
+        PLAYER_CHOOSES_RECIPE("player_chooses_recipe", 3, false)
+        {
+            @Override
+            public void onRecipeSelected(ServerPlayerEntity player, Identifier recipe, boolean fullStack)
+            {
+                handler.call( () ->
+                {
+                    return Arrays.asList(
+                            ((c, t) -> new EntityValue(player)),
+                            ((c, t) -> new StringValue(NBTSerializableValue.nameFromRegistryId(recipe))),
+                            ((c, t) -> new NumericValue(fullStack))
+                    );
+                }, player::getCommandSource);
+            }
+        },
+        PLAYER_SWITCHES_SLOT("player_switches_slot", 3, false)
+        {
+            @Override
+            public void onSlotSwitch(ServerPlayerEntity player, int from, int to)
+            {
+                if (from == to) return; // initial slot update
+                handler.call( () ->
+                {
+                    return Arrays.asList(
+                            ((c, t) -> new EntityValue(player)),
+                            ((c, t) -> new NumericValue(from)),
+                            ((c, t) -> new NumericValue(to))
+                    );
+                }, player::getCommandSource);
+            }
+        },
         PLAYER_TAKES_DAMAGE("player_takes_damage", 4, false)
         {
             @Override
@@ -647,6 +678,8 @@ public class CarpetEventServer
         public void onEntityAction(ServerPlayerEntity player, Entity entity, Hand enumhand) { }
         public void onDimensionChange(ServerPlayerEntity player, Vec3d from, Vec3d to, DimensionType fromDim, DimensionType dimTo) {}
         public void onDamage(Entity target, float amount, DamageSource source) { }
+        public void onRecipeSelected(ServerPlayerEntity player, Identifier recipe, boolean fullStack) {}
+        public void onSlotSwitch(ServerPlayerEntity player, int from, int to) {}
 
 
         public void onWorldEvent(ServerWorld world, BlockPos pos) { }