RenderSpear.java

package com.arkcraft.module.weapon.client.render;

import com.arkcraft.module.weapon.common.entity.EntitySpear;
import com.arkcraft.module.core.ARKCraft;

import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.WorldRenderer;
import net.minecraft.client.renderer.entity.Render;
import net.minecraft.entity.Entity;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;

import org.lwjgl.opengl.GL11;

public class RenderSpear extends Render
{
    private static final ResourceLocation texture = new ResourceLocation(ARKCraft.MODID, "textures/entity/spear.png");

    public RenderSpear()
    {
        super(Minecraft.getMinecraft().getRenderManager());
    }

    public void doRender(EntitySpear entityarrow, double d, double d1, double d2, float f, float f1)
    {
        bindEntityTexture(entityarrow);
        GL11.glPushMatrix();
        GL11.glTranslatef((float) d, (float) d1, (float) d2);
        GL11.glRotatef((entityarrow.prevRotationYaw + (entityarrow.rotationYaw - entityarrow.prevRotationYaw) * f1) - 90F, 0.0F, 1.0F, 0.0F);
        GL11.glRotatef(entityarrow.prevRotationPitch + (entityarrow.rotationPitch - entityarrow.prevRotationPitch) * f1, 0.0F, 0.0F, 1.0F);
        Tessellator tess = Tessellator.getInstance();
        WorldRenderer worldrenderer = tess.getWorldRenderer();
        int i = 0;
        float f2 = 0.0F;
        float f3 = 1.0F;
        float f4 = (0 + i * 10) / 32F;
        float f5 = (5 + i * 10) / 32F;
        float f6 = 0.0F;
        float f7 = 0.15625F;
        float f8 = (5 + i * 10) / 32F;
        float f9 = (10 + i * 10) / 32F;
        float f10 = 0.05625F;

        double length = 20D;

        GL11.glEnable(32826 /*GL_RESCALE_NORMAL_EXT*/);
        float f11 = entityarrow.arrowShake - f1;
        if (f11 > 0.0F)
        {
            float f12 = -MathHelper.sin(f11 * 3F) * f11;
            GL11.glRotatef(f12, 0.0F, 0.0F, 1.0F);
        }
        GL11.glRotatef(45F, 1.0F, 0.0F, 0.0F);
        GL11.glScalef(f10, f10, f10);
        GL11.glTranslatef(-4F, 0.0F, 0.0F);
        GL11.glNormal3f(f10, 0.0F, 0.0F);
        worldrenderer.startDrawingQuads();
        worldrenderer.addVertexWithUV(-length, -2D, -2D, f6, f8);
        worldrenderer.addVertexWithUV(-length, -2D, 2D, f7, f8);
        worldrenderer.addVertexWithUV(-length, 2D, 2D, f7, f9);
        worldrenderer.addVertexWithUV(-length, 2D, -2D, f6, f9);
        tess.draw();

        GL11.glNormal3f(-f10, 0F, 0F);
        worldrenderer.startDrawingQuads();
        worldrenderer.addVertexWithUV(-length, 2D, -2D, f6, f8);
        worldrenderer.addVertexWithUV(-length, 2D, 2D, f7, f8);
        worldrenderer.addVertexWithUV(-length, -2D, 2D, f7, f9);
        worldrenderer.addVertexWithUV(-length, -2D, -2D, f6, f9);
        tess.draw();

        for (int j = 0; j < 4; j++)
        {
            GL11.glRotatef(90F, 1.0F, 0.0F, 0.0F);
            GL11.glNormal3f(0.0F, 0.0F, f10);
            worldrenderer.startDrawingQuads();
            worldrenderer.setColorOpaque_F(1F, 1F, 1F);
            worldrenderer.addVertexWithUV(-length, -2D, 0.0D, f2, f4);
            worldrenderer.addVertexWithUV(length, -2D, 0.0D, f3, f4);
            worldrenderer.addVertexWithUV(length, 2D, 0.0D, f3, f5);
            worldrenderer.addVertexWithUV(-length, 2D, 0.0D, f2, f5);
            tess.draw();
        }

        GL11.glDisable(32826 /*GL_RESCALE_NORMAL_EXT*/);
        GL11.glPopMatrix();
    }

    @Override
    public void doRender(Entity entity, double d, double d1, double d2, float f, float f1)
    {
        doRender((EntitySpear) entity, d, d1, d2, f, f1);
    }

    @Override
    protected ResourceLocation getEntityTexture(Entity entity)
    {

        return texture;
    }
}