TileEntityGrowLightRenderer.java

package de.keridos.floodlights.client.render.block;

import de.keridos.floodlights.client.render.model.TileEntitySquareFluorescentLightModel;
import de.keridos.floodlights.reference.Textures;
import de.keridos.floodlights.tileentity.TileEntityGrowLight;
import de.keridos.floodlights.util.RenderUtil;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

/**
 * Created by Keridos on 05.05.2015.
 * This Class
 */
public class TileEntityGrowLightRenderer extends TileEntitySpecialRenderer {

    //The model of your block
    private final TileEntitySquareFluorescentLightModel modelGrowLight;

    public TileEntityGrowLightRenderer() {
        super();
        this.modelGrowLight = new TileEntitySquareFluorescentLightModel();
    }

    @Override
    public void renderTileEntityAt(TileEntity te, double x, double y, double z, float scale) {
        ResourceLocation textures = null;
        TileEntityGrowLight tileEntityGrowLight = (TileEntityGrowLight) te;
        //The PushMatrix tells the renderer to "start" doing something.
        GL11.glPushMatrix();

        //This is setting the initial location.
        GL11.glTranslatef((float) x + 0.5F, (float) y + 1.5F, (float) z + 0.5F);
        for (int i = 0; i < 2; i++) {
            if (tileEntityGrowLight.getWasActive()) {
                switch (i) {
                    case 0:
                        textures = (new ResourceLocation(Textures.Block.GROW_LIGHT_TEXTURE_ON));
                        break;
                    case 1:
                        textures = (new ResourceLocation(Textures.Block.GROW_LIGHT_TEXTURE_ON_LAMPS));
                        Tessellator.instance.setBrightness((240 << 16) | 240);
                        break;
                }
            } else {
                textures = (new ResourceLocation(Textures.Block.GROW_LIGHT_TEXTURE_OFF));
            }
            Minecraft.getMinecraft().renderEngine.bindTexture(textures);

            //This rotation part is very important! Without it, your modelSmallFluorescent will render upside-down! And for some reason you DO need PushMatrix again!
            GL11.glPushMatrix();

            GL11.glRotatef(180F, 0.0F, 0.0F, 1.0F);
            //A reference to your Model file. Again, very important.
            float xRotation = 0.0F;
            float yRotation = 0.0F;
            float zRotation = 0.0F;
            switch (tileEntityGrowLight.getOrientation()) {
                case DOWN:
                    xRotation = (float) Math.PI;
                    break;
                case UP:
                    break;
                case WEST:
                    zRotation = (float) Math.PI / 2;
                    break;
                case EAST:
                    zRotation = -(float) Math.PI / 2;
                    break;
                case SOUTH:
                    xRotation = -(float) Math.PI / 2;
                    break;
                case NORTH:
                    xRotation = (float) Math.PI / 2;
                    break;
            }
            int c = tileEntityGrowLight.getColor();
            if (c != 16 && i != 1) {
                float cMult = 1.21342F;
                GL11.glColor3f(RenderUtil.r[c] * cMult, RenderUtil.g[c] * cMult, RenderUtil.b[c] * cMult);
            }
            this.modelGrowLight.setRotateAngle(this.modelGrowLight.shape1, xRotation, yRotation, zRotation);
            this.modelGrowLight.render(null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);

            //Tell it to stop rendering for both the PushMatrix's
            GL11.glPopMatrix();
            if (!tileEntityGrowLight.getWasActive()) {
                break;
            }
        }
        GL11.glPopMatrix();
    }
}