ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/render/RenderReconstructorLens.java

/*
 * This file ("RenderReconstructorLens.java") is part of the Actually Additions mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://ellpeck.de/actaddlicense
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015-2017 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.blocks.render;

import de.ellpeck.actuallyadditions.api.lens.ILensItem;
import de.ellpeck.actuallyadditions.mod.tile.TileEntityAtomicReconstructor;
import de.ellpeck.actuallyadditions.mod.util.AssetUtil;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
import net.minecraft.block.state.BlockState;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.item.ItemStack;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.fml.relauncher.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class RenderReconstructorLens extends TileEntitySpecialRenderer<TileEntityAtomicReconstructor> {

    @Override
    public void render(TileEntityAtomicReconstructor tile, double x, double y, double z, float par5, int par6, float f) {
        if (tile == null) {
            return;
        }

        ItemStack stack = tile.inv.getStackInSlot(0);

        if (StackUtil.isValid(stack) && stack.getItem() instanceof ILensItem) {
            GlStateManager.pushMatrix();
            GlStateManager.translate((float) x + 0.5F, (float) y - 0.5F, (float) z + 0.5F);
            GlStateManager.rotate(180F, 0.0F, 0.0F, 1.0F);

            BlockState state = tile.getWorld().getBlockState(tile.getPos());
            int meta = state.getBlock().getMetaFromState(state);
            if (meta == 0) {
                GlStateManager.translate(0F, -0.5F, 0F);
                GlStateManager.rotate(90F, 1F, 0F, 0F);
            }
            if (meta == 1) {
                GlStateManager.translate(0F, -1.5F - 0.5F / 16F, 0F);
                GlStateManager.rotate(90F, 1F, 0F, 0F);
            }
            if (meta == 2) {
                GlStateManager.translate(0F, -1F, 0F);
                GlStateManager.translate(0F, 0F, -0.5F);
            }
            if (meta == 3) {
                GlStateManager.translate(0F, -1F, 0F);
                GlStateManager.translate(0F, 0F, 0.5F + 0.5F / 16F);
            }
            if (meta == 4) {
                GlStateManager.translate(0F, -1F, 0F);
                GlStateManager.translate(0.5F + 0.5F / 16F, 0F, 0F);
                GlStateManager.rotate(90F, 0F, 1F, 0F);
            }
            if (meta == 5) {
                GlStateManager.translate(0F, -1F, 0F);
                GlStateManager.translate(-0.5F, 0F, 0F);
                GlStateManager.rotate(90F, 0F, 1F, 0F);
            }

            GlStateManager.scale(0.5F, 0.5F, 0.5F);
            AssetUtil.renderItemInWorld(stack);

            GlStateManager.popMatrix();
        }
    }
}