package com.hbm.render.tileentity;

import java.nio.FloatBuffer;
import java.util.Random;

import org.lwjgl.opengl.GL11;

import com.hbm.main.ResourceManager;
import com.hbm.render.util.RenderSparks;
import com.hbm.tileentity.machine.TileEntityCore;

import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ResourceLocation;
import net.minecraft.world.World;

public class RenderCore extends TileEntitySpecialRenderer {

	private static final ResourceLocation sky = new ResourceLocation("textures/environment/end_sky.png");
	private static final ResourceLocation portal = new ResourceLocation("textures/entity/end_portal.png");
	private static final Random random = new Random(31100L);
	FloatBuffer buffer = GLAllocation.createDirectFloatBuffer(16);

    @Override
	public void renderTileEntityAt(TileEntity tileEntity, double x, double y, double z, float f) {
        
        TileEntityCore core = (TileEntityCore)tileEntity;
        renderStandby(x, y, z);
    }
    
    public void renderStandby(double x, double y, double z) {

        GL11.glPushMatrix();
        GL11.glTranslated(x + 0.5, y + 0.5, z + 0.5);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        
        GL11.glScalef(0.25F, 0.25F, 0.25F);
        GL11.glColor3f(0.5F, 0.5F, 0.5F);
        ResourceManager.sphere_uv.renderAll();
        
		GL11.glEnable(GL11.GL_BLEND);
		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
        GL11.glScalef(1.25F, 1.25F, 1.25F);
        GL11.glColor3f(0.1F, 0.1F, 0.1F);
        ResourceManager.sphere_uv.renderAll();
		GL11.glDisable(GL11.GL_BLEND);

        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_LIGHTING);
        
        if((System.currentTimeMillis() / 100) % 10 == 0) {
			for(int i = 0; i < 3; i++) {
				RenderSparks.renderSpark((int) System.currentTimeMillis() / 100 + i * 10000, 0, 0, 0, 1.5F, 5, 10, 0xFFFF00, 0xFFFFFF);
				RenderSparks.renderSpark((int) System.currentTimeMillis() / 50 + i * 10000, 0, 0, 0, 1.5F, 5, 10, 0xFFFF00, 0xFFFFFF);
			}
        }
		
        GL11.glPopMatrix();
    }
    
    public void renderVoid(TileEntity tile, double x, double y, double z) {

		World world = tile.getWorldObj();
        GL11.glPushMatrix();
        
        GL11.glDisable(GL11.GL_LIGHTING);
        
        random.setSeed(31110L);

		GL11.glDisable(GL11.GL_LIGHTING);

		GL11.glTexGeni(GL11.GL_S, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR);
		GL11.glTexGeni(GL11.GL_T, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR);
		GL11.glTexGeni(GL11.GL_R, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR);
		GL11.glTexGeni(GL11.GL_Q, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR);
		GL11.glEnable(GL11.GL_TEXTURE_GEN_S);
		GL11.glEnable(GL11.GL_TEXTURE_GEN_T);
		GL11.glEnable(GL11.GL_TEXTURE_GEN_R);
		GL11.glEnable(GL11.GL_TEXTURE_GEN_Q);
		GL11.glMatrixMode(GL11.GL_TEXTURE);
		GL11.glPushMatrix();
		GL11.glLoadIdentity();
		float f100 = world.getTotalWorldTime() % 500L / 500F;
		GL11.glTranslatef(random.nextFloat(), f100, random.nextFloat());

		Tessellator tessellator = Tessellator.instance;

		final int end = 10;
		for (int i = 0; i < end; ++i) {
			float f5 = end - i;
			float f7 = 1.0F / (f5 + 1.0F);

			if (i == 0) {
				this.bindTexture(sky);
				f7 = 0.0F;
				f5 = 65.0F;
				GL11.glEnable(GL11.GL_BLEND);
				GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
			}

			if (i == 1) {
				this.bindTexture(portal);
				GL11.glEnable(GL11.GL_BLEND);
				GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE);
			}

			GL11.glTranslatef(random.nextFloat() * (1 - f7), random.nextFloat() * (1 - f7), random.nextFloat() * (1 - f7));
			float scale = 0.9F;
            GL11.glScalef(scale, scale, scale);
            float ang = 360 / end;
            GL11.glRotatef(ang * i + ang * random.nextFloat(), 0.0F, 0.0F, 1.0F);

			float f11 = (float) random.nextDouble() * 0.5F + 0.9F;
			float f12 = (float) random.nextDouble() * 0.5F + 0.1F;
			float f13 = (float) random.nextDouble() * 0.5F + 0.9F;
			if (i == 0) {
				f13 = 1.0F;
				f12 = 1.0F;
				f11 = 1.0F;
			}
			f13 *= f7;
			f12 *= f7;
			f11 *= f7;

			GL11.glTexGen(GL11.GL_S, GL11.GL_EYE_PLANE, this.func_147525_a(1, 0, 0, 0));
			GL11.glTexGen(GL11.GL_T, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 1, 0));
			GL11.glTexGen(GL11.GL_R, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 0, 1));
			GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_147525_a(0, 1, 0, 0));

			GL11.glRotatef(180, 0, 0, 1);
			tessellator.startDrawingQuads();
			tessellator.setColorOpaque_F(f11, f12, f13);
			tessellator.setBrightness(0xF000F0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 1.0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 0.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 0.0, z + 1.0);
			tessellator.draw();

			tessellator.startDrawingQuads();
			tessellator.setColorOpaque_F(f11, f12, f13);
			tessellator.setBrightness(0xF000F0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 1.0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 1.0);
			tessellator.draw();

			GL11.glTexGen(GL11.GL_S, GL11.GL_EYE_PLANE, this.func_147525_a(0, 1, 0, 0));
			GL11.glTexGen(GL11.GL_T, GL11.GL_EYE_PLANE, this.func_147525_a(1, 0, 0, 0));
			GL11.glTexGen(GL11.GL_R, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 0, 1));
			GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 1, 0));

			tessellator.startDrawingQuads();
			tessellator.setColorOpaque_F(f11, f12, f13);
			tessellator.setBrightness(0xF000F0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 0.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 0.0, z + 0.0);

			tessellator.addVertex(x + 1.0, y + 0.0, z + 1.0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 1.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 1.0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 1.0);
			tessellator.draw();

			GL11.glTexGen(GL11.GL_S, GL11.GL_EYE_PLANE, this.func_147525_a(0, 1, 0, 0));
			GL11.glTexGen(GL11.GL_T, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 1, 0));
			GL11.glTexGen(GL11.GL_R, GL11.GL_EYE_PLANE, this.func_147525_a(0, 0, 0, 1));
			GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_147525_a(1, 0, 0, 0));

			tessellator.startDrawingQuads();
			tessellator.setColorOpaque_F(f11, f12, f13);
			tessellator.setBrightness(0xF000F0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 1.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 1.0);
			tessellator.addVertex(x + 0.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 0.0, y + 0.0, z + 0.0);
			tessellator.draw();

			tessellator.startDrawingQuads();
			tessellator.setColorOpaque_F(f11, f12, f13);
			tessellator.setBrightness(0xF000F0);
			tessellator.addVertex(x + 1.0, y + 0.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 0.0);
			tessellator.addVertex(x + 1.0, y + 1.0, z + 1.0);
			tessellator.addVertex(x + 1.0, y + 0.0, z + 1.0);
			tessellator.draw();
		}

		GL11.glPopMatrix();
		GL11.glMatrixMode(GL11.GL_MODELVIEW);
		GL11.glDisable(GL11.GL_BLEND);
		GL11.glDisable(GL11.GL_TEXTURE_GEN_S);
		GL11.glDisable(GL11.GL_TEXTURE_GEN_T);
		GL11.glDisable(GL11.GL_TEXTURE_GEN_R);
		GL11.glDisable(GL11.GL_TEXTURE_GEN_Q);
		GL11.glEnable(GL11.GL_LIGHTING);
		GL11.glPopMatrix();
    }

    private FloatBuffer func_147525_a(float x, float y, float z, float w) {
    	
        this.buffer.clear();
        this.buffer.put(x).put(y).put(z).put(w);
        this.buffer.flip();
        return this.buffer;
    }

}