RenderPlayerEvent

package org.polyfrost.frozen.features.misc;

import cc.polyfrost.oneconfig.libs.universal.UGraphics;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.EntityPlayerSP;
import net.minecraft.client.model.ModelPlayer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraftforge.client.event.RenderPlayerEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import org.polyfrost.frozen.config.Config;

public class PlayerRenderer {

    private void renderPlayer(RenderPlayerEvent e) {
        float pt = e.partialRenderTick;

        EntityPlayerSP player = Minecraft.getMinecraft().thePlayer;
        ModelPlayer model =  e.renderer.getMainModel();

        float bodyYaw = lerp(player.prevRenderYawOffset, player.renderYawOffset, pt);
        float headYaw = clamp180(lerp(player.prevRotationYawHead, player.rotationYawHead, pt) - bodyYaw);
        float pitch = lerp(player.prevRotationPitch, player.rotationPitch, pt);

        GlStateManager.pushMatrix();
        GlStateManager.enableRescaleNormal();
        GlStateManager.enableAlpha();
        GlStateManager.disableLighting();
        GlStateManager.enableBlend();
        GlStateManager.scale(Config.playerScale, Config.playerScale, Config.playerScale);
        GlStateManager.translate(0, 0.24, 0);
        GlStateManager.rotate(-bodyYaw, 0, 1, 0);

        Minecraft.getMinecraft().getTextureManager().bindTexture(player.getLocationSkin());
        model.render(player, player.limbSwing, player.limbSwingAmount, player.getAge() + pt, -limit90(headYaw), pitch, -0.01F);

        GlStateManager.disableBlend();
        GlStateManager.disableAlpha();
        GlStateManager.enableLighting();
        GlStateManager.popMatrix();
    }

    @SubscribeEvent
    public void onEntityRenderPre(RenderPlayerEvent.Pre e) {
        if (!Config.customPlayerScale || e.entity != Minecraft.getMinecraft().thePlayer) return;
        GlStateManager.pushMatrix();
        GlStateManager.translate(0, -500, 0);
    }

    @SubscribeEvent
    public void onEntityRenderPost(RenderPlayerEvent.Post e) {
        if (!Config.customPlayerScale || e.entity != Minecraft.getMinecraft().thePlayer) return;
        GlStateManager.popMatrix();
        renderPlayer(e);
    }

    private float lerp (float a, float b, float t) {return a + (b - a) * t;}
    private float clamp180 (float a) { return ((a + 180) % 360 + 360) % 360 - 180;}
    private float limit90 (float a) { return Math.max(-90, Math.min(90, a));}
}