Modding:Block and Item Interactions: Difference between revisions

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Modding:Block and Item Interactions (view source)

Revision as of 08:49, 21 May 2019

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== Preparations ==
== Preparations ==


I highly recommend to read about [[Advanced Items|The Item Class]] first. Additionally you can download the assets [http://wiki.vintagestory.at/images/4/4d/MagicWand_-_No_CS_File.zip here].
I highly recommend to read about [[Advanced Items|The Item Class]] first. Additionally you can download the assets [https://wiki.vintagestory.at/images/4/4d/MagicWand_-_No_CS_File.zip here].


All of this should be familiar to you, creating and registering the item class ...
All of this should be familiar to you, creating and registering the item class ...


<syntaxhighlight lang="c#">
<syntaxhighlight lang="c#">
     public class Magic : ModBase
     public class Magic : ModSystem
     {
     {


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== Adding particles ==
== Adding particles ==


Now we need to implement the interact function. First of all we need to specify that the player can "use" this tool, therefore we need to return <code>true</code> ...
Now we need to implement the interact function. First of all we need to specify that the player can "use" this tool, therefore we need to set handling to <code>handled</code> ...


<syntaxhighlight lang="c#">
<syntaxhighlight lang="c#">
         public override bool OnHeldInteractStart(IItemSlot slot, IEntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel)
         public override void OnHeldInteractStart(ItemSlot slot, EntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel, bool firstEvent, ref EnumHandHandling handling)
         {
         {
             return true;
             handling = EnumHandHandling.Handled;
         }
         }
</syntaxhighlight>
</syntaxhighlight>
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<syntaxhighlight lang="c#">
<syntaxhighlight lang="c#">
         public override bool OnHeldInteractStep(float secondsUsed, IItemSlot slot, IEntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel)
         public override bool OnHeldInteractStep(float secondsUsed, ItemSlot slot, EntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel)
         {
         {
             if (byEntity.World is IClientWorldAccessor)
             if (byEntity.World is IClientWorldAccessor)
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                 tf.EnsureDefaultValues();
                 tf.EnsureDefaultValues();


                float speed = 5 + 20 * Math.Max(0, secondsUsed - 0.25f);
                 tf.Origin.Set(0, -1, 0);
                float start = secondsUsed * 120;
                 tf.Rotation.Z = Math.Min(30, secondsUsed * 40);
                float rotationZ = Math.Max(-110, start - Math.Max(0, secondsUsed - 0.25f) * 90 * speed);
                 byEntity.Controls.UsingHeldItemTransformAfter = tf;
 
 
                 tf.Origin.Set(0, 2f, 0);
                 tf.Translation.Set(0, Math.Max(-1f, -5 * Math.Max(0, secondsUsed - 0.25f)), 0);
                tf.Rotation.Z = rotationZ;
                 byEntity.Controls.UsingHeldItemTransform = tf;
             }
             }
            return true;
         }
         }
</syntaxhighlight>
</syntaxhighlight>
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<syntaxhighlight lang="c#">
<syntaxhighlight lang="c#">
         public override bool OnHeldInteractStep(float secondsUsed, IItemSlot slot, IEntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel)
         public override bool OnHeldInteractStep(float secondsUsed, ItemSlot slot, EntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel)
         {
         {
             if (byEntity.World is IClientWorldAccessor)
             if (byEntity.World is IClientWorldAccessor)
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                 tf.EnsureDefaultValues();
                 tf.EnsureDefaultValues();


                float speed = 5 + 20 * Math.Max(0, secondsUsed - 0.25f);
                 tf.Origin.Set(0, -1, 0);
                float start = secondsUsed * 120;
                 tf.Rotation.Z = Math.Min(30, secondsUsed * 40);
                float rotationZ = Math.Max(-110, start - Math.Max(0, secondsUsed - 0.25f) * 90 * speed);
                 byEntity.Controls.UsingHeldItemTransformAfter = tf;
 
 
                 tf.Origin.Set(0, 2f, 0);
                 tf.Translation.Set(0, Math.Max(-1f, -5 * Math.Max(0, secondsUsed - 0.25f)), 0);
                tf.Rotation.Z = rotationZ;
                 byEntity.Controls.UsingHeldItemTransform = tf;


                 if (secondsUsed > 0.6)
                 if (secondsUsed > 0.6)
                 {
                 {
                     Vec3d pos =
                     Vec3d pos =
                             byEntity.Pos.XYZ.Add(0, byEntity.EyeHeight(), 0)
                             byEntity.Pos.XYZ.Add(0, byEntity.EyeHeight, 0)
                             .Ahead(1f, byEntity.Pos.Pitch, byEntity.Pos.Yaw)
                             .Ahead(1f, byEntity.Pos.Pitch, byEntity.Pos.Yaw)
                         ;
                         ;
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                     particles.minVelocity = speedVec;
                     particles.minVelocity = speedVec;
                     Random rand = new Random();
                     Random rand = new Random();
                     particles.color = ColorUtil.ToRGBABytes(ColorUtil.ColorFromArgb(255, rand.Next(0, 255), rand.Next(0, 255), rand.Next(0, 255)));
                     particles.color = ColorUtil.ToRgba(255, rand.Next(0, 255), rand.Next(0, 255), rand.Next(0, 255));
                     particles.minPos = pos.AddCopy(-0.05, -0.05, -0.05);
                     particles.minPos = pos.AddCopy(-0.05, -0.05, -0.05);
                     particles.addPos.Set(0.1, 0.1, 0.1);
                     particles.addPos.Set(0.1, 0.1, 0.1);
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Feel free to try it out yourself:
Feel free to try it out yourself:


[http://wiki.vintagestory.at/images/3/38/MagicWand.zip MagicWand.zip]
Here is my version:
* for VS v1.9: [https://wiki.vintagestory.at/images/7/72/Magicwand_vs1.9_v1.0.0.zip Magicwand_vs1.9_v1.0.0.zip]
* for VS v1.8: [https://wiki.vintagestory.at/images/3/38/MagicWand.zip MagicWand.zip]
 




{{Navbox/modding|Vintage Story}}
{{Navbox/modding|Vintage Story}}
CreativeMD
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