TileManaFlame.java

/**
 * This class was created by <Vazkii>. It's distributed as
 * part of the Botania Mod. Get the Source Code in github:
 * https://github.com/Vazkii/Botania
 *
 * Botania is Open Source and distributed under the
 * Botania License: http://botaniamod.net/license.php
 *
 * File Created @ [Dec 21, 2014, 12:33:12 AM (GMT)]
 */
package vazkii.botania.common.block.tile;

import net.minecraft.nbt.NBTTagCompound;
import vazkii.botania.common.Botania;

public class TileManaFlame extends TileMod {

	private static final String TAG_COLOR = "color";

	private int color = 0x20FF20;
	private int lightColor = -1;

	public void setColor(int color) {
		this.color = color;
	}

	public int getColor() {
		return color;
	}

	@Override
	public void update() {
		float c = 0.3F;

		if(world.isRemote && Math.random() < c) {
			float v = 0.1F;

			float r = (float) (color >> 16 & 0xFF) / 0xFF;
			float g = (float) (color >> 8 & 0xFF) / 0xFF;
			float b = (float) (color & 0xFF) / 0xFF;

			double luminance = 0.2126 * r + 0.7152 * g + 0.0722 * b; // Standard relative luminance calculation

			if (luminance < v) {
				r += (float) Math.random() * 0.125F;
				g += (float) Math.random() * 0.125F;
				b += (float) Math.random() * 0.125F;
			}

			float w = 0.15F;
			float h = 0.05F;
			double x = pos.getX() + 0.5 + (Math.random() - 0.5) * w;
			double y = pos.getY() + 0.25 + (Math.random() - 0.5) * h;
			double z = pos.getZ() + 0.5 + (Math.random() - 0.5) * w;

			float s = 0.2F + (float) Math.random() * 0.1F;
			float m = 0.03F + (float) Math.random() * 0.015F;

			Botania.proxy.wispFX(x, y, z, r, g, b, s, -m);
		}
	}

	public int getLightColor() {
		if(lightColor == -1) {
			lightColor = 0xFFFFFF;
		}

		return lightColor;
	}

	@Override
	public void writePacketNBT(NBTTagCompound cmp) {
		cmp.setInteger(TAG_COLOR, color);
	}

	@Override
	public void readPacketNBT(NBTTagCompound cmp) {
		color = cmp.getInteger(TAG_COLOR);
	}

}