BloodMagic/BM_src/WayofTime/alchemicalWizardry/common/renderer/block/RenderPlinth.java

package WayofTime.alchemicalWizardry.common.renderer.block;

import WayofTime.alchemicalWizardry.common.renderer.model.ModelPlinth;
import WayofTime.alchemicalWizardry.common.tileEntity.TEPlinth;
import cpw.mods.fml.client.FMLClientHandler;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.common.ForgeDirection;
import org.lwjgl.opengl.GL11;

public class RenderPlinth extends TileEntitySpecialRenderer {
    private ModelPlinth modelPlinth = new ModelPlinth();
    private final RenderItem customRenderItem;

    public RenderPlinth()
    {
        customRenderItem = new RenderItem() {
            @Override
            public boolean shouldBob()
            {
                return false;
            }
        };
        customRenderItem.setRenderManager(RenderManager.instance);
    }

    @Override
    public void renderTileEntityAt(TileEntity tileEntity, double d0, double d1, double d2, float f)
    {
        if (tileEntity instanceof TEPlinth)
        {
            TEPlinth tileAltar = (TEPlinth) tileEntity;
            GL11.glDisable(GL11.GL_LIGHTING);
            GL11.glDisable(GL11.GL_CULL_FACE);
            /**
             * Render the ghost item inside of the Altar, slowly spinning
             */
            GL11.glPushMatrix();
            GL11.glTranslatef((float) d0 + 0.5F, (float) d1 + 1.5F, (float) d2 + 0.5F);
            ResourceLocation test = new ResourceLocation("alchemicalwizardry:textures/models/Plinth.png");
            FMLClientHandler.instance().getClient().renderEngine.bindTexture(test);
            GL11.glPushMatrix();
            GL11.glRotatef(180F, 0.0F, 0.0F, 1.0F);
            //A reference to your Model file. Again, very important.
            this.modelPlinth.render((Entity) 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();
            GL11.glPopMatrix();
            GL11.glPushMatrix();

            if (tileAltar.getStackInSlot(0) != null)
            {
                float scaleFactor = getGhostItemScaleFactor(tileAltar.getStackInSlot(0));
                EntityItem ghostEntityItem = new EntityItem(tileAltar.worldObj);
                ghostEntityItem.hoverStart = 0.0F;
                ghostEntityItem.setEntityItemStack(tileAltar.getStackInSlot(0));
                //translateGhostItemByOrientation(ghostEntityItem.getEntityItem(), d0, d1, d2, ForgeDirection.DOWN);
                float displacement = 0.2F;

                if (ghostEntityItem.getEntityItem().getItem() instanceof ItemBlock)
                {
                    GL11.glTranslatef((float) d0 + 0.5F, (float) d1 + displacement + 0.7F, (float) d2 + 0.5F);
                } else
                {
                    GL11.glTranslatef((float) d0 + 0.5F, (float) d1 + displacement + 10.4f / 16.0f, (float) d2 + 0.5F - 0.1875f);
                }

                //GL11.glTranslatef((float) tileAltar.xCoord + 0.5F, (float) tileAltar.yCoord + 2.7F, (float) tileAltar.zCoord + 0.5F);
                GL11.glScalef(scaleFactor, scaleFactor, scaleFactor);

                if (!(ghostEntityItem.getEntityItem().getItem() instanceof ItemBlock))
                {
                    GL11.glRotatef(90f, 1.0f, 0.0f, 0.0F);
                }

                customRenderItem.doRenderItem(ghostEntityItem, 0, 0, 0, 0, 0);
            }

            GL11.glPopMatrix();
            GL11.glEnable(GL11.GL_CULL_FACE);
            GL11.glEnable(GL11.GL_LIGHTING);
        }
    }

    private float getGhostItemScaleFactor(ItemStack itemStack)
    {
        float scaleFactor = 2.0F / 0.9F;

        if (itemStack != null)
        {
            if (itemStack.getItem() instanceof ItemBlock)
            {
                switch (customRenderItem.getMiniBlockCount(itemStack))
                {
                    case 1:
                        return 0.90F * scaleFactor / 2;

                    case 2:
                        return 0.90F * scaleFactor / 2;

                    case 3:
                        return 0.90F * scaleFactor / 2;

                    case 4:
                        return 0.90F * scaleFactor / 2;

                    case 5:
                        return 0.80F * scaleFactor / 2;

                    default:
                        return 0.90F * scaleFactor / 2;
                }
            } else
            {
                switch (customRenderItem.getMiniItemCount(itemStack))
                {
                    case 1:
                        return 0.65F * scaleFactor;

                    case 2:
                        return 0.65F * scaleFactor;

                    case 3:
                        return 0.65F * scaleFactor;

                    case 4:
                        return 0.65F * scaleFactor;

                    default:
                        return 0.65F * scaleFactor;
                }
            }
        }

        return scaleFactor;
    }

    private void translateGhostItemByOrientation(ItemStack ghostItemStack, double x, double y, double z, ForgeDirection forgeDirection)
    {
        if (ghostItemStack != null)
        {
            if (ghostItemStack.getItem() instanceof ItemBlock)
            {
                switch (forgeDirection)
                {
                    case DOWN:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 2.7F, (float) z + 0.5F);
                        return;
                    }

                    case UP:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.25F, (float) z + 0.5F);
                        return;
                    }

                    case NORTH:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.5F, (float) z + 0.7F);
                        return;
                    }

                    case SOUTH:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.5F, (float) z + 0.3F);
                        return;
                    }

                    case EAST:
                    {
                        GL11.glTranslatef((float) x + 0.3F, (float) y + 0.5F, (float) z + 0.5F);
                        return;
                    }

                    case WEST:
                    {
                        GL11.glTranslatef((float) x + 0.70F, (float) y + 0.5F, (float) z + 0.5F);
                        return;
                    }

                    case UNKNOWN:
                    {
                        return;
                    }

                    default:
                    {
                        return;
                    }
                }
            } else
            {
                switch (forgeDirection)
                {
                    case DOWN:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.6F, (float) z + 0.5F);
                        return;
                    }

                    case UP:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.20F, (float) z + 0.5F);
                        return;
                    }

                    case NORTH:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.4F, (float) z + 0.7F);
                        return;
                    }

                    case SOUTH:
                    {
                        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.4F, (float) z + 0.3F);
                        return;
                    }

                    case EAST:
                    {
                        GL11.glTranslatef((float) x + 0.3F, (float) y + 0.4F, (float) z + 0.5F);
                        return;
                    }

                    case WEST:
                    {
                        GL11.glTranslatef((float) x + 0.70F, (float) y + 0.4F, (float) z + 0.5F);
                        return;
                    }

                    case UNKNOWN:
                    {
                        return;
                    }

                    default:
                    {
                        return;
                    }
                }
            }
        }
    }
}