Add fangs spell

2020-06-29 23:52:05 +01:00
parent cfca8f1fdd
commit c2e99e2ce6
7 changed files with 122 additions and 0 deletions
@@ -0,0 +1,93 @@
+package electroblob.wizardry.spell;
+
+import electroblob.wizardry.item.SpellActions;
+import electroblob.wizardry.registry.WizardryItems;
+import electroblob.wizardry.util.BlockUtils;
+import electroblob.wizardry.util.GeometryUtils;
+import electroblob.wizardry.util.ParticleBuilder;
+import electroblob.wizardry.util.ParticleBuilder.Type;
+import electroblob.wizardry.util.SpellModifiers;
+import net.minecraft.entity.EntityLiving;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.projectile.EntityEvokerFangs;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumFacing.Axis;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.World;
+
+import javax.annotation.Nullable;
+
+public class Fangs extends Spell {
+
+	private static final double FANG_SPACING = 1.25;
+
+	public Fangs(){
+		super("fangs", SpellActions.SUMMON, false);
+		addProperties(RANGE);
+	}
+
+	@Override
+	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
+		if(!spawnFangs(world, new Vec3d(caster.posX, caster.getEntityBoundingBox().minY, caster.posZ),
+				GeometryUtils.replaceComponent(caster.getLookVec(), Axis.Y, 0), caster, modifiers)) return false;
+		this.playSound(world, caster, ticksInUse, -1, modifiers);
+		return true;
+	}
+
+	@Override
+	public boolean cast(World world, EntityLiving caster, EnumHand hand, int ticksInUse, EntityLivingBase target, SpellModifiers modifiers){
+		if(!spawnFangs(world, caster.getPositionVector(), target.getPositionVector().subtract(caster.getPositionVector()), caster, modifiers)) return false;
+		this.playSound(world, caster, ticksInUse, -1, modifiers);
+		return true;
+	}
+
+	@Override
+	public boolean cast(World world, double x, double y, double z, EnumFacing direction, int ticksInUse, int duration, SpellModifiers modifiers){
+		if(!spawnFangs(world, new Vec3d(x, y, z), new Vec3d(direction.getDirectionVec()), null, modifiers)) return false;
+		this.playSound(world, x, y, z, ticksInUse, -1, modifiers);
+		return true;
+	}
+
+	protected boolean spawnFangs(World world, Vec3d origin, Vec3d direction, @Nullable EntityLivingBase caster, SpellModifiers modifiers){
+
+		boolean flag = false;
+
+		if(world.isRemote){
+
+			double x = origin.x;
+			double y = caster == null ? origin.y : origin.y + caster.getEyeHeight();
+			double z = origin.z;
+
+			for(int i = 0; i < 12; i++){
+				ParticleBuilder.create(Type.DARK_MAGIC, world.rand, x, y, z, 0.5, false)
+						.clr(0.4f, 0.3f, 0.35f).spawn(world); // Colour from EntitySpellcasterIllager
+			}
+
+		}else{
+
+			int count = (int)(getProperty(RANGE).doubleValue() * modifiers.get(WizardryItems.range_upgrade));
+			float yaw = (float)MathHelper.atan2(direction.z, direction.x); // Yes, this is the right way round!
+
+			for(int i = 0; i < count; i++){
+
+				Vec3d vec = origin.add(direction.scale(i * FANG_SPACING));
+				// Not exactly the same as evokers but it's how constructs work so it kinda fits
+				Integer y = BlockUtils.getNearestFloor(world, new BlockPos(vec), 5);
+
+				if(y != null){
+					world.spawnEntity(new EntityEvokerFangs(world, vec.x, y, vec.z, yaw, i, caster)); // null is fine here
+					flag = true;
+				}
+			}
+		}
+
+		return flag;
+	}
+
+	// TODO: Events to handle damage modifiers, ADS, etc. for fang entities (probably could do with this for other vanilla-entity spells)
+
+}