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package dulkirmod.features
import dulkirmod.DulkirMod.Companion.config
import net.minecraft.client.renderer.GlStateManager
import net.minecraft.util.MathHelper
import kotlin.math.exp
/**
* Module to change the appearance of held items.
*
* This module uses the EntityLivingBase and ItemRenderer Mixins to function.
* Because only this module and no others are supposed to modify their behavior direct references are used instead of
* forge events.
*
* @author Aton - THANK YOU
*/
object ItemAnimations {
/**
* Directly referenced hook for the itemTransform Inject in the ItemRenderer Mixin.
* Takes care of scaling and positioning the held item.
*/
fun itemTransforHook(equipProgress: Float, swingProgress: Float): Boolean {
if (!config.customAnimations) return false
val newSize = (0.4f * exp(config.customSize))
val newX = (0.56f * (1 + config.customX))
val newY = (-0.52f * (1 - config.customY))
val newZ = (-0.71999997f * (1 + config.customZ))
GlStateManager.translate(newX, newY, newZ)
GlStateManager.translate(0.0f, equipProgress * -0.6f, 0.0f)
//Rotation
GlStateManager.rotate(config.customPitch, 1.0f, 0.0f, 0.0f)
GlStateManager.rotate(config.customYaw, 0.0f, 1f, 0f)
GlStateManager.rotate(config.customRoll, 0f, 0f, 1f)
GlStateManager.rotate(45f, 0.0f, 1f, 0f)
val f = MathHelper.sin(swingProgress * swingProgress * Math.PI.toFloat())
val f1 = MathHelper.sin(MathHelper.sqrt_float(swingProgress) * Math.PI.toFloat())
GlStateManager.rotate(f * -20.0f, 0.0f, 1.0f, 0.0f)
GlStateManager.rotate(f1 * -20.0f, 0.0f, 0.0f, 1.0f)
GlStateManager.rotate(f1 * -80.0f, 1.0f, 0.0f, 0.0f)
GlStateManager.scale(newSize, newSize, newSize)
return true
}
/**
* Directly referenced by the ItemRendereMixin. If enabled will scale the item swing animation.
* Returns whether custom animation was performed.
*/
fun scaledSwing(swingProgress: Float): Boolean {
if (!config.customAnimations || !config.doesScaleSwing) return false
val scale = exp(config.customSize)
val f = -0.4f * MathHelper.sin(MathHelper.sqrt_float(swingProgress) * Math.PI.toFloat()) * scale
val f1 = 0.2f * MathHelper.sin(MathHelper.sqrt_float(swingProgress) * Math.PI.toFloat() * 2.0f) * scale
val f2 = -0.2f * MathHelper.sin(swingProgress * Math.PI.toFloat()) * scale
GlStateManager.translate(f, f1, f2)
return true
}
}
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