/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.client.render.effects;


import appeng.core.AppEng;
import com.mojang.blaze3d.vertex.IVertexBuilder;
import net.minecraft.client.particle.*;
import net.minecraft.client.renderer.ActiveRenderInfo;
import net.minecraft.client.renderer.BufferBuilder;
import net.minecraft.client.renderer.Vector3f;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.entity.Entity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.particles.BasicParticleType;
import net.minecraft.particles.ItemParticleData;
import net.minecraft.particles.ParticleType;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

import appeng.api.util.AEPartLocation;


@OnlyIn( Dist.CLIENT )
public class CraftingFx extends BreakingParticle
{

	public static final BasicParticleType TYPE = new BasicParticleType(false);

	static {
		TYPE.setRegistryName(AppEng.MOD_ID, "crafting_fx");
	}

	private final int startBlkX;
	private final int startBlkY;
	private final int startBlkZ;

	public CraftingFx( final World par1World, final double x, final double y, final double z, final IAnimatedSprite sprite )
	{
		super( par1World, x, y, z, new ItemStack(Items.DIAMOND) );
		this.particleGravity = 0;
		this.particleBlue = 1;
		this.particleGreen = 0.9f;
		this.particleRed = 1;
		this.particleAlpha = 1.3f;
		this.particleScale = 1.5f;
		this.selectSpriteRandomly(sprite);
		this.maxAge /= 1.2;

		this.startBlkX = MathHelper.floor( this.posX );
		this.startBlkY = MathHelper.floor( this.posY );
		this.startBlkZ = MathHelper.floor( this.posZ );
	}

	@Override
	public void renderParticle(IVertexBuilder buffer, ActiveRenderInfo renderInfo, float partialTicks) {

		if( partialTicks < 0 || partialTicks > 1 )
		{
			return;
		}

		float offX = (float)(MathHelper.lerp(partialTicks, this.prevPosX, this.posX));
		float offY = (float)(MathHelper.lerp(partialTicks, this.prevPosY, this.posY));
		float offZ = (float)(MathHelper.lerp(partialTicks, this.prevPosZ, this.posZ));

		final int blkX = MathHelper.floor( offX );
		final int blkY = MathHelper.floor( offY );
		final int blkZ = MathHelper.floor( offZ );
		// I believe this particle is same as breaking particle, but should not exit the original block it was
		// spawned in (which is encased in glass)
		if( blkX == this.startBlkX && blkY == this.startBlkY && blkZ == this.startBlkZ )
		{
			Vec3d vec3d = renderInfo.getProjectedView();
			offX -= vec3d.x;
			offY -= vec3d.y;
			offZ -= vec3d.z;

			Vector3f[] avector3f = new Vector3f[]{new Vector3f(-1.0F, -1.0F, 0.0F), new Vector3f(-1.0F, 1.0F, 0.0F), new Vector3f(1.0F, 1.0F, 0.0F), new Vector3f(1.0F, -1.0F, 0.0F)};
			float scale = this.getScale(partialTicks);

			for(int i = 0; i < 4; ++i) {
				Vector3f vector3f = avector3f[i];
				vector3f.transform(renderInfo.getRotation());
				vector3f.mul(scale);
				vector3f.add(offX, offY, offZ);
			}

			float minU = this.getMinU();
			float maxU = this.getMaxU();
			float minV = this.getMinV();
			float maxV = this.getMaxV();
			int j = this.getBrightnessForRender(partialTicks);
			buffer.pos(avector3f[0].getX(), avector3f[0].getY(), avector3f[0].getZ()).tex(maxU, maxV).color(this.particleRed, this.particleGreen, this.particleBlue, this.particleAlpha).lightmap(j).endVertex();
			buffer.pos(avector3f[1].getX(), avector3f[1].getY(), avector3f[1].getZ()).tex(maxU, minV).color(this.particleRed, this.particleGreen, this.particleBlue, this.particleAlpha).lightmap(j).endVertex();
			buffer.pos(avector3f[2].getX(), avector3f[2].getY(), avector3f[2].getZ()).tex(minU, minV).color(this.particleRed, this.particleGreen, this.particleBlue, this.particleAlpha).lightmap(j).endVertex();
			buffer.pos(avector3f[3].getX(), avector3f[3].getY(), avector3f[3].getZ()).tex(minU, maxV).color(this.particleRed, this.particleGreen, this.particleBlue, this.particleAlpha).lightmap(j).endVertex();
		}
	}

	public void fromItem( final AEPartLocation d )
	{
		this.posX += 0.2 * d.xOffset;
		this.posY += 0.2 * d.yOffset;
		this.posZ += 0.2 * d.zOffset;
		this.particleScale *= 0.8f;
	}

	@Override
	public void tick()
	{
		this.prevPosX = this.posX;
		this.prevPosY = this.posY;
		this.prevPosZ = this.posZ;

		if( this.age++ >= this.maxAge )
		{
			this.setExpired();
		}

		this.motionY -= 0.04D * this.particleGravity;
		this.move( this.motionX, this.motionY, this.motionZ );
		this.motionX *= 0.9800000190734863D;
		this.motionY *= 0.9800000190734863D;
		this.motionZ *= 0.9800000190734863D;
		this.particleScale *= 0.51f;
		this.particleAlpha *= 0.51f;
	}

	public void setMotionX( float motionX )
	{
		this.motionX = motionX;
	}

	public void setMotionY( float motionY )
	{
		this.motionY = motionY;
	}

	public void setMotionZ( float motionZ )
	{
		this.motionZ = motionZ;
	}

	@OnlyIn(Dist.CLIENT)
	public static class Factory implements IParticleFactory<BasicParticleType> {
		private final IAnimatedSprite spriteSet;

		public Factory(IAnimatedSprite p_i50477_1_) {
			this.spriteSet = p_i50477_1_;
		}

		public Particle makeParticle(BasicParticleType data, World worldIn, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			return new CraftingFx(worldIn, x, y, z, spriteSet);
		}
	}

}