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[1.9.4] Gun Modifiers


Jedispencer21
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For my gun mod, I want to create items that can be put onto then guns and they are able to modify things such as damage, ect. What I am wondering is what would be the way I would make a single (or multiple) item(s) that each change a different (or multiple) attribute(s) on the gun, and how to define what they change?

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Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

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1. Capabilities are, basically, sort of data storage. (in RAM/HDD, anyway)

  So you can use it to store your Capabilities.

2. To use the data, one can use Event System. There are several events like LivingAttackEvent, which will fit your needs.

  - How to use the data in the events?

      1) Get the Caps from the ItemStack

      2) Apply effects for the caps

3. Most event methods of Item class has ItemStack as parameter. So you can also use Caps there, if you have central Item class to control all of the guns.

I. Stellarium for Minecraft: Configurable Universe for Minecraft! (WIP)

II. Stellar Sky, Better Star Rendering&Sky Utility mod, had separated from Stellarium.

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Here's the thing, I have a gun item that has and ItemStackHandler that hold all that parts for that gun. What I want is to be able to add upgrades to the gun, and those upgrades modify different things. Also I would like the upgrades to have different tiers/modify multiple things such as say an Upgrade that adds 1 damage and 1 reload, or an upgrade that removes 2 damage and adds 1 clip. How would I do this with or without capabilities? Also these upgrades are not craftable in the crafting table.

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Here's the thing, I have a gun item that has and ItemStackHandler that hold all that parts for that gun. What I want is to be able to add upgrades to the gun, and those upgrades modify different things. Also I would like the upgrades to have different tiers/modify multiple things such as say an Upgrade that adds 1 damage and 1 reload, or an upgrade that removes 2 damage and adds 1 clip. How would I do this with or without capabilities? Also these upgrades are not craftable in the crafting table.

If the upgrades belong to the gun, then you should store the capabilities to the itemstack for guns.

In this case,

1. Upgrades for the gun: Capabilities for the gun.

    - The implementation may vary up to your purpose and design decision.

2. Applying the effect: Use events, and check for the capabilities(upgrades).

I. Stellarium for Minecraft: Configurable Universe for Minecraft! (WIP)

II. Stellar Sky, Better Star Rendering&Sky Utility mod, had separated from Stellarium.

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    • so my 1.16.5 game is crashing and i dont know why could someone help this is what the crash report says        ---- Minecraft Crash Report ---- // Uh... Did I do that? Time: 12/8/21 6:48 PM Description: Rendering overlay net.minecraftforge.fml.config.ConfigFileTypeHandler$ConfigLoadingException: Failed loading config file neat-client.toml of type CLIENT for modid neat     at net.minecraftforge.fml.config.ConfigFileTypeHandler.lambda$reader$1(ConfigFileTypeHandler.java:61) ~[?:?] {re:classloading}     at net.minecraftforge.fml.config.ConfigFileTypeHandler$$Lambda$3947/30466991.apply(Unknown Source) ~[?:?] {}     at net.minecraftforge.fml.config.ConfigTracker.openConfig(ConfigTracker.java:104) ~[?:?] {re:classloading}     at net.minecraftforge.fml.config.ConfigTracker.lambda$loadConfigs$1(ConfigTracker.java:83) ~[?:?] {re:classloading}     at net.minecraftforge.fml.config.ConfigTracker$$Lambda$3946/1787282788.accept(Unknown Source) ~[?:?] {}     at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_51] {}     at java.util.Collections$SynchronizedCollection.forEach(Collections.java:2062) ~[?:1.8.0_51] {}     at 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    • Sorry, I thought originally this was a forge problem , so I made it for this. Anyway, I have THIS for the tick() method ...  public void tick() { if (level.getServer() != null) { super.tick(); } One of my friends told me I needed to check if it was NOT null before the super because otherwise, it was crashing when the entity was spawed- if that's not the solution , then what do i do to stop it from crashing? Here is a pastebin of that crash. Thanks by the way for trying to help me. https://pastebin.com/Qk37BRA6
    • How do you know it's the attributes' problem? For me it sounds more like it's not ticking. (maybe forgot to call super, or the server is frozen.)   Btw you're on the wrong sub forum
    • Basically, my attributes for my TankEntity are not going through. I'm DIRECTLY porting from 1.17, and it worked fine on 1.17 and 16, so I'm pretty confused here. The Entity extends Pig and within it, this is for creating the attributes. public static AttributeSupplier.Builder createAttributes() { return Pig.createLivingAttributes() .add(Attributes.MAX_HEALTH, 90.0D) .add(Attributes.MOVEMENT_SPEED, 0.14f) .add(Attributes.KNOCKBACK_RESISTANCE, 10.0D) .add(Attributes.FOLLOW_RANGE, 0.0D); } Then, in my EntityTypes Registry, I add the attributes.  @Mod.EventBusSubscriber(modid = TankMod.MOD_ID, bus = Mod.EventBusSubscriber.Bus.MOD) public class TankModEntityTypes { ..... @SubscribeEvent public static void entityAttributesInit(EntityAttributeCreationEvent event) { event.put(TANK_ENTITY_TYPE.get(), TankEntity.createAttributes().build()); } I just don't understand why its not working. This worked fine , before. The Entity spawns, but it weirdly just floats in the air, and when hit it goes red and doesn't stop being red. When the player rides it, its health also doesn't go down. Really strange stuff.  I looked at some other mods which have entity attributes, and it works fine in them. If there's anything else I need to show let me know.
    • Catch up with the last topic with rendering, this is something that I took a while to learn from nothing to this stage. (I only shoot from right side) public static List<Pair<BlockRayTraceResult, Float>> rayTraceAndPenetrateBlocks4(World world, List<Vector3d> vecs, float health, Function<BlockState, Float> getHealthReduction) { List<Pair<BlockRayTraceResult, Float>> results = new ArrayList<>(); if (vecs.isEmpty()) return results; Vector3d startVec = vecs.get(0); for (int i=0;i<vecs.size()-1;i++) { Vector3d vec = vecs.get(i); Vector3d next = vecs.get(i + 1); BlockPos pos = new BlockPos(vec); BlockPos pos2 = new BlockPos(next); BlockState blockstate = world.getBlockState(pos); BlockState blockstate2 = world.getBlockState(pos2); if (blockstate.getBlock() instanceof BarrierBlock && blockstate2.getBlock() instanceof BarrierBlock) continue; VoxelShape blockShape = blockstate.getCollisionShape(world, pos, ISelectionContext.dummy()); VoxelShape blockShape2 = blockstate2.getCollisionShape(world, pos2, ISelectionContext.dummy()); BlockRayTraceResult blockResult; boolean empty = blockShape.isEmpty() || blockShape.toBoundingBoxList().stream().noneMatch((bb) -> bb.offset(pos).contains(vec)); boolean empty2 = blockShape2.isEmpty() || blockShape2.toBoundingBoxList().stream().noneMatch((bb) -> bb.offset(pos2).contains(next)); if ((isRayTraceIgnorableBlock(blockstate, blockShape) && isRayTraceIgnorableBlock(blockstate2, blockShape2))) continue; if (empty && !empty2) blockResult = world.rayTraceBlocks(vec, next, pos2, blockShape2, blockstate2); else if (!empty && empty2) blockResult = world.rayTraceBlocks(next, vec, pos, blockShape, blockstate); else blockResult = world.rayTraceBlocks(vec, next, pos, blockShape, blockstate); if (blockResult != null) { health -= getHealthReduction.apply(blockstate); results.add(new Pair<>(blockResult, (float) startVec.distanceTo(blockResult.getHitVec()))); if (health <= 0) break; } } return results; } public static List<Vector3d> getAllVectors2(Vector3d startVec, Vector3d endVec, int distance) { List<Vector3d> vecs = new ArrayList<>(); Vector3d step = endVec.subtract(startVec).normalize(); int rayTraceCount = 20; for (int i=0;i<distance;i++) for (int j=0;j<rayTraceCount;j++) vecs.add(startVec.add(step.scale(i).add(step.scale((float) j / (float) rayTraceCount)))); return vecs; } The vecs passed into the first method comes from the second method. The concept is to gather a collection of vectors, and the do ray trace between each of them. The first method can be a lot more simplified but not on my case since I also do entity penetrations, with damage calculations...etc. Anyways, if you only do normal raytracing what you will get will be something like:   Black Block represents a solid block Gray Block represents air or empty shaped block Green dots represents the positions we ray trace between. Blue dots represents the ray trace hit result. As you can see, the ray trace hit will not (unlikely) hit the surface when coming out of a block, therefore we need to detect the situation and ray trace back wards: So we get the "entering" and "exiting" points.   Here comes the rendering part once again, once you have let the client know where is hit you can perform the rendering based on the ray trace result. private static void renderObjectAt(Minecraft minecraft, EnvironmentObjectEffect object, World world, MatrixStack stack, float size, float offsetScale, ResourceLocation texture) { Vector3d vec = object.getVec(); stack.push(); Vector3d view = Minecraft.getInstance().gameRenderer.getActiveRenderInfo().getProjectedView(); double x = vec.x - view.getX(); double y = vec.y - view.getY(); double z = vec.z - view.getZ(); if (Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2) + Math.pow(z, 2)) > 100.0F) return; stack.translate(x, y, z); Direction direction = object.getDirection(); if (direction != null) { Vector3i offset = direction.getDirectionVec(); stack.translate(offset.getX() * offsetScale, offset.getY() * offsetScale, offset.getZ() * offsetScale); rotateByDirection(stack, direction); } else { stack.rotate(minecraft.getRenderManager().getCameraOrientation()); stack.rotate(Vector3f.ZP.rotationDegrees(180.0F)); } if (object.doBlend()) { Color colour = new Color(world.getBlockState(object.getPos()).getMaterialColor(world, object.getPos()).colorValue); RenderSystem.color4f(colour.getRed() / 255.0F, colour.getGreen() / 255.0F, colour.getBlue() / 255.0F, object.getTransparency()); } AVAClientUtil.blit(stack, texture, -size, -size, size, size); RenderSystem.color4f(1.0F, 1.0F, 1.0f, 1.0F); stack.pop(); } direction is facing from the BlockRayTraceResult, and doBlend is true so it will look better with the block behind it. The offset is required otherwise it will be on the same level with the block, the offset scale is a small number so there will not be an obvious gap between the wall and the texture object, the scale also prevents multiple objects overlap, for example when I have multiple "renderable objects": for (EnvironmentObjectEffect bulletHole : AVACommonUtil.cap(world).getBulletHoles()) renderObjectAt(minecraft, bulletHole, world, stack, 0.075F, 0.01F, BULLET_HOLE); for (EnvironmentObjectEffect blood : AVACommonUtil.cap(world).getBloods()) renderObjectAt(minecraft, blood, world, stack, 0.525F, 0.011F, BLOOD); for (EnvironmentObjectEffect knifeHole : AVACommonUtil.cap(world).getKnifeHoles()) renderObjectAt(minecraft, knifeHole, world, stack, 0.095F, 0.0105F, KNIFE_HOLE); for (EnvironmentObjectEffect grenadeMark : AVACommonUtil.cap(world).getGrenadeMarks()) renderObjectAt(minecraft, grenadeMark, world, stack, 2.5F, 0.075F, GRENADE_MARK); bullet hole < knife hole < blood < grenade mark (level) Red Image    
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