74 lines
3.3 KiB
C#
74 lines
3.3 KiB
C#
using Microsoft.Xna.Framework;
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using Terraria;
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namespace Decimation.Content.Projectiles
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{
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internal class TitanicPikeProjectile : DecimationProjectile
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{
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protected override void Init()
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{
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projectile.width = 88;
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projectile.height = 88;
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projectile.aiStyle = 19;
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projectile.penetrate = -1;
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projectile.scale = 1.3f;
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projectile.alpha = 0;
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projectile.hide = true;
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projectile.ownerHitCheck = true;
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projectile.tileCollide = false;
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}
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public float movementFactor // Change this value to alter how fast the spear moves
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{
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get { return projectile.ai[0]; }
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set { projectile.ai[0] = value; }
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}
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public override void AI()
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{
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// Since we access the owner player instance so much, it's useful to create a helper local variable for this
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// Sadly, Projectile/ModProjectile does not have its own
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Player projOwner = Main.player[projectile.owner];
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// Here we set some of the projectile's owner properties, such as held item and itemtime, along with projectile direction and position based on the player
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Vector2 ownerMountedCenter = projOwner.RotatedRelativePoint(projOwner.MountedCenter, true);
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projectile.direction = projOwner.direction;
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projOwner.heldProj = projectile.whoAmI;
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projOwner.itemTime = projOwner.itemAnimation;
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projectile.position.X = ownerMountedCenter.X - (float)(projectile.width / 2);
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projectile.position.Y = ownerMountedCenter.Y - (float)(projectile.height / 2);
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// As long as the player isn't frozen, the spear can move
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if (!projOwner.frozen)
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{
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if (movementFactor == 0f) // When initially thrown out, the ai0 will be 0f
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{
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movementFactor = 3f; // Make sure the spear moves forward when initially thrown out
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projectile.netUpdate = true; // Make sure to netUpdate this spear
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}
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if (projOwner.itemAnimation < projOwner.itemAnimationMax / 3) // Somewhere along the item animation, make sure the spear moves back
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{
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movementFactor -= 2.4f;
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}
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else // Otherwise, increase the movement factor
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{
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movementFactor += 2.1f;
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}
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}
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// Change the spear position based off of the velocity and the movementFactor
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projectile.position += projectile.velocity * movementFactor;
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// When we reach the end of the animation, we can kill the spear projectile
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if (projOwner.itemAnimation == 0)
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{
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projectile.Kill();
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}
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// Apply proper rotation, with an offset of 135 degrees due to the sprite's rotation, notice the usage of MathHelper, use this class!
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// MathHelper.ToRadians(xx degrees here)
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projectile.rotation = projectile.velocity.ToRotation() + MathHelper.ToRadians(135f);
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// Offset by 90 degrees here
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if (projectile.spriteDirection == -1)
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{
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projectile.rotation -= MathHelper.ToRadians(90f);
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}
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}
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}
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}
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