/*
* LightingHelper - Derived and adapted from @Mineshopper / carpentersblocks Copyright (c) 2013-2021. This library 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 version 2.1 of the License. This library 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 this library; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package gregtech.api.util;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.EntityRenderer;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
@SuppressWarnings("unused")
@SideOnly(Side.CLIENT)
public class LightingHelper {
public static final int NORMAL_BRIGHTNESS = 0xff00ff;
public static final int MAX_BRIGHTNESS = 0xf000f0;
public static final float NO_Z_FIGHT_OFFSET = 1.0F / 1024.0F;
protected static final float[] LIGHTNESS = { 0.5F, 1.0F, 0.8F, 0.8F, 0.6F, 0.6F };
private final RenderBlocks renderBlocks;
/**
* Brightness for side.
*/
private int brightness;
/**
* Ambient occlusion values for all four corners of side.
*/
private float aoTopLeft, aoBottomLeft, aoBottomRight, aoTopRight;
private boolean hasLightnessOverride;
private float lightnessOverride;
private boolean hasBrightnessOverride;
private int brightnessOverride;
private boolean hasColorOverride;
private int colorOverride = 0xffffff;
/**
* Class constructor specifying the {@link RenderBlocks}.
*
* @param renderBlocks the {@link RenderBlocks}
*/
public LightingHelper(RenderBlocks renderBlocks) {
this.renderBlocks = renderBlocks;
if (renderBlocks.useInventoryTint) {
// Block will be rendered in an inventory, so it needs its lightness maxed
setLightnessOverride(1.0F);
}
}
/**
* Gets average brightness from two brightness values.
*
* @param brightnessA the first brightness value
* @param brightnessB the second brightness value
* @return the mixed brightness
*/
public static int getAverageBrightness(int brightnessA, int brightnessB) {
int sectionA1 = brightnessA >> 16 </