PaneRender.java

package tconstruct.smeltery.model;

import mantle.world.WorldHelper;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.EntityRenderer;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.IIcon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.common.util.ForgeDirection;
import tconstruct.smeltery.blocks.PaneBase;
import tconstruct.util.ItemHelper;
import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
import cpw.mods.fml.client.registry.RenderingRegistry;

public class PaneRender implements ISimpleBlockRenderingHandler
{
    public static int model = RenderingRegistry.getNextAvailableRenderId();

    @Override
    public void renderInventoryBlock (Block block, int metadata, int modelID, RenderBlocks renderer)
    {
        if (modelID == model)
        {
            renderer.setRenderBounds(0.0F, 0.0F, 0.4375F, 1.0F, 1.0F, 0.5625F);
            ItemHelper.renderStandardInvBlock(renderer, block, metadata);
        }
    }

    @Override
    public boolean renderWorldBlock (IBlockAccess world, int x, int y, int z, Block block, int modelID, RenderBlocks renderer)
    {
        if (modelID == model)
        {
            return renderPaneInWorld(renderer, world, x, y, z, (PaneBase) block);
        }

        else
        {
            return false;
        }
    }

    @Override
    public boolean shouldRender3DInInventory (int modelID)
    {
        return true;
    }

    @Override
    public int getRenderId ()
    {
        return model;
    }

    public static boolean renderPaneInWorld (RenderBlocks renderblocks, IBlockAccess iblockaccess, int x, int y, int z, PaneBase pane)
    {
        int l = iblockaccess.getHeight();
        Tessellator tessellator = Tessellator.instance;
        tessellator.setBrightness(pane.getMixedBrightnessForBlock(iblockaccess, x, y, z));
        float f = 1.0F;
        int i1 = pane.colorMultiplier(iblockaccess, x, y, z);
        float f1 = (float) (i1 >> 16 & 0xff) / 255F;
        float f2 = (float) (i1 >> 8 & 0xff) / 255F;
        float f3 = (float) (i1 & 0xff) / 255F;
        if (EntityRenderer.anaglyphEnable)
        {
            float f4 = (f1 * 30F + f2 * 59F + f3 * 11F) / 100F;
            float f5 = (f1 * 30F + f2 * 70F) / 100F;
            float f6 = (f1 * 30F + f3 * 70F) / 100F;
            f1 = f4;
            f2 = f5;
            f3 = f6;
        }
        tessellator.setColorOpaque_F(f * f1, f * f2, f * f3);
        boolean flag = false;
        boolean flag1 = false;
        IIcon icon;
        IIcon icon1;
        int meta = iblockaccess.getBlockMetadata(x, y, z);
        icon = renderblocks.getBlockIconFromSideAndMetadata(pane, 0, meta);
        icon1 = pane.getSideTextureIndex(meta);

        meta = icon.getIconWidth();
        int k1 = icon.getIconHeight();
        double d = (double) icon.getMinU();
        double d1 = (double) icon.getInterpolatedU(8.0D);
        double d2 = (double) icon.getMaxU();
        double d3 = (double) icon.getMinV();
        double d4 = (double) icon.getMaxV();
        int l1 = icon1.getIconWidth();
        int i2 = icon1.getIconHeight();
        double d5 = (double) icon1.getInterpolatedU(7.0D);
        double d6 = (double) icon1.getInterpolatedU(9.0D);
        double d7 = (double) icon1.getMinV();
        double d8 = (double) icon1.getInterpolatedV(8.0D);
        double d9 = (double) icon1.getMaxV();

        /*
         * int blockTextureIndex; int blockSideIndex;
         * 
         * int j1 = iblockaccess.getBlockMetadata(x, y, z); blockTextureIndex =
         * pane.getBlockTextureFromSideAndMetadata(0, j1); blockSideIndex =
         * pane.getSideTextureIndex(j1);
         * 
         * int k1 = (blockTextureIndex & 0xf) << 4; int j2 = blockTextureIndex &
         * 0xf0; double d = (float) k1 / 256F; double d1 = ((float) k1 + 7.99F)
         * / 256F; double d2 = ((float) k1 + 15.99F) / 256F; double d3 = (float)
         * j2 / 256F; double d4 = ((float) j2 + 15.99F) / 256F; int k2 =
         * (blockSideIndex & 0xf) << 4; int l2 = blockSideIndex & 0xf0; double
         * d5 = (float) (k2 + 7) / 256F; double d6 = ((float) k2 + 8.99F) /
         * 256F; double d7 = (float) l2 / 256F; double d8 = (float) (l2 + 8) /
         * 256F; double d9 = ((float) l2 + 15.99F) / 256F;
         */

        double xBot = x;
        double xMid = (double) x + 0.5D;
        double xTop = x + 1;
        double zBot = z;
        double zMid = (double) z + 0.5D;
        double zTop = z + 1;
        double xMidDown = ((double) x + 0.5D) - 0.0625D;
        double xMidUp = (double) x + 0.5D + 0.0625D;
        double zMidDown = ((double) z + 0.5D) - 0.0625D;
        double zMidUp = (double) z + 0.5D + 0.0625D;
        boolean west = pane.canConnectTo(iblockaccess, x, y, z - 1, ForgeDirection.NORTH);
        boolean east = pane.canConnectTo(iblockaccess, x, y, z + 1, ForgeDirection.SOUTH);
        boolean south = pane.canConnectTo(iblockaccess, x - 1, y, z, ForgeDirection.EAST);
        boolean north = pane.canConnectTo(iblockaccess, x + 1, y, z, ForgeDirection.WEST);

        boolean renderAbove = pane.shouldSideBeRendered(iblockaccess, x, y + 1, z, 1);
        boolean renderBelow = pane.shouldSideBeRendered(iblockaccess, x, y - 1, z, 0);
        if ((!south || !north) && (south || north || west || east))
        {
            if (south && !north)
            {
                tessellator.addVertexWithUV(xBot, y + 1, zMidDown, d, d3);
                tessellator.addVertexWithUV(xBot, y + 0, zMidDown, d, d4);
                tessellator.addVertexWithUV(xMid, y + 0, zMidDown, d1, d4);
                tessellator.addVertexWithUV(xMid, y + 1, zMidDown, d1, d3);
                tessellator.addVertexWithUV(xMid, y + 1, zMidUp, d, d3);
                tessellator.addVertexWithUV(xMid, y + 0, zMidUp, d, d4);
                tessellator.addVertexWithUV(xBot, y + 0, zMidUp, d1, d4);
                tessellator.addVertexWithUV(xBot, y + 1, zMidUp, d1, d3);
                if (!east && !west)
                {
                    tessellator.addVertexWithUV(xMid, y + 1, zMidUp, d5, d7);
                    tessellator.addVertexWithUV(xMid, y + 0, zMidUp, d5, d9);
                    tessellator.addVertexWithUV(xMid, y + 0, zMidDown, d6, d9);
                    tessellator.addVertexWithUV(xMid, y + 1, zMidDown, d6, d7);
                }
                if (renderAbove || y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x - 1, y + 1, z))
                {
                    tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidUp, d6, d9);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidDown, d5, d9);
                    tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidDown, d5, d8);
                }
                if (renderBelow || y > 1 && WorldHelper.isAirBlock(iblockaccess, x - 1, y - 1, z))
                {
                    tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidUp, d6, d9);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidDown, d5, d9);
                    tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidDown, d5, d8);
                }
            }
            else if (!south && north)
            {
                tessellator.addVertexWithUV(xMid, y + 1, zMidDown, d1, d3);
                tessellator.addVertexWithUV(xMid, y + 0, zMidDown, d1, d4);
                tessellator.addVertexWithUV(xTop, y + 0, zMidDown, d2, d4);
                tessellator.addVertexWithUV(xTop, y + 1, zMidDown, d2, d3);
                tessellator.addVertexWithUV(xTop, y + 1, zMidUp, d1, d3);
                tessellator.addVertexWithUV(xTop, y + 0, zMidUp, d1, d4);
                tessellator.addVertexWithUV(xMid, y + 0, zMidUp, d2, d4);
                tessellator.addVertexWithUV(xMid, y + 1, zMidUp, d2, d3);
                if (!east && !west)
                {
                    tessellator.addVertexWithUV(xMid, y + 1, zMidDown, d5, d7);
                    tessellator.addVertexWithUV(xMid, y + 0, zMidDown, d5, d9);
                    tessellator.addVertexWithUV(xMid, y + 0, zMidUp, d6, d9);
                    tessellator.addVertexWithUV(xMid, y + 1, zMidUp, d6, d7);
                }
                if (renderAbove || y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x + 1, y + 1, z))
                {
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidUp, d6, d7);
                    tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidDown, d5, d8);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidDown, d5, d7);
                }
                if (renderBelow || y > 1 && WorldHelper.isAirBlock(iblockaccess, x + 1, y - 1, z))
                {
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidUp, d6, d7);
                    tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidDown, d5, d8);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidDown, d5, d7);
                }
            }
        }
        else
        {
            tessellator.addVertexWithUV(xBot, y + 1, zMidDown, d, d3);
            tessellator.addVertexWithUV(xBot, y + 0, zMidDown, d, d4);
            tessellator.addVertexWithUV(xTop, y + 0, zMidDown, d2, d4);
            tessellator.addVertexWithUV(xTop, y + 1, zMidDown, d2, d3);
            tessellator.addVertexWithUV(xTop, y + 1, zMidUp, d, d3);
            tessellator.addVertexWithUV(xTop, y + 0, zMidUp, d, d4);
            tessellator.addVertexWithUV(xBot, y + 0, zMidUp, d2, d4);
            tessellator.addVertexWithUV(xBot, y + 1, zMidUp, d2, d3);
            if (renderAbove)
            {
                tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidUp, d6, d9);
                tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidUp, d6, d7);
                tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidDown, d5, d7);
                tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidDown, d5, d9);
            }
            else
            {
                if (y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x - 1, y + 1, z))
                {
                    tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidUp, d6, d9);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidDown, d5, d9);
                    tessellator.addVertexWithUV(xBot, (double) (y + 1) + 0.01D, zMidDown, d5, d8);
                }
                if (y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x + 1, y + 1, z))
                {
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidUp, d6, d7);
                    tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xTop, (double) (y + 1) + 0.01D, zMidDown, d5, d8);
                    tessellator.addVertexWithUV(xMid, (double) (y + 1) + 0.01D, zMidDown, d5, d7);
                }
            }
            if (renderBelow)
            {
                tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidUp, d6, d9);
                tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidUp, d6, d7);
                tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidDown, d5, d7);
                tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidDown, d5, d9);
            }
            else
            {
                if (y > 1 && WorldHelper.isAirBlock(iblockaccess, x - 1, y - 1, z))
                {
                    tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidUp, d6, d9);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidDown, d5, d9);
                    tessellator.addVertexWithUV(xBot, (double) y - 0.01D, zMidDown, d5, d8);
                }
                if (y > 1 && WorldHelper.isAirBlock(iblockaccess, x + 1, y - 1, z))
                {
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidUp, d6, d7);
                    tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidUp, d6, d8);
                    tessellator.addVertexWithUV(xTop, (double) y - 0.01D, zMidDown, d5, d8);
                    tessellator.addVertexWithUV(xMid, (double) y - 0.01D, zMidDown, d5, d7);
                }
            }
        }
        if ((!west || !east) && (south || north || west || east))
        {
            if (west && !east)
            {
                tessellator.addVertexWithUV(xMidDown, y + 1, zBot, d, d3);
                tessellator.addVertexWithUV(xMidDown, y + 0, zBot, d, d4);
                tessellator.addVertexWithUV(xMidDown, y + 0, zMid, d1, d4);
                tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d1, d3);
                tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d, d3);
                tessellator.addVertexWithUV(xMidUp, y + 0, zMid, d, d4);
                tessellator.addVertexWithUV(xMidUp, y + 0, zBot, d1, d4);
                tessellator.addVertexWithUV(xMidUp, y + 1, zBot, d1, d3);
                if (!north && !south)
                {
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d5, d7);
                    tessellator.addVertexWithUV(xMidDown, y + 0, zMid, d5, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 0, zMid, d6, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d6, d7);
                }
                if (renderAbove || y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x, y + 1, z - 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y + 1, zBot, d6, d7);
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d6, d8);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zBot, d5, d7);
                }
                if (renderBelow || y > 1 && WorldHelper.isAirBlock(iblockaccess, x, y - 1, z - 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y, zBot, d6, d7);
                    tessellator.addVertexWithUV(xMidDown, y, zMid, d6, d8);
                    tessellator.addVertexWithUV(xMidUp, y, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidUp, y, zBot, d5, d7);
                }
            }
            else if (!west && east)
            {
                tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d1, d3);
                tessellator.addVertexWithUV(xMidDown, y + 0, zMid, d1, d4);
                tessellator.addVertexWithUV(xMidDown, y + 0, zTop, d2, d4);
                tessellator.addVertexWithUV(xMidDown, y + 1, zTop, d2, d3);
                tessellator.addVertexWithUV(xMidUp, y + 1, zTop, d1, d3);
                tessellator.addVertexWithUV(xMidUp, y + 0, zTop, d1, d4);
                tessellator.addVertexWithUV(xMidUp, y + 0, zMid, d2, d4);
                tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d2, d3);
                if (!north && !south)
                {
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d5, d7);
                    tessellator.addVertexWithUV(xMidUp, y + 0, zMid, d5, d9);
                    tessellator.addVertexWithUV(xMidDown, y + 0, zMid, d6, d9);
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d6, d7);
                }
                if (renderAbove || y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x, y + 1, z + 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidDown, y + 1, zTop, d5, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zTop, d6, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d6, d8);
                }
                if (renderBelow || y > 1 && WorldHelper.isAirBlock(iblockaccess, x, y - 1, z + 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidDown, y, zTop, d5, d9);
                    tessellator.addVertexWithUV(xMidUp, y, zTop, d6, d9);
                    tessellator.addVertexWithUV(xMidUp, y, zMid, d6, d8);
                }
            }
        }
        else
        {
            tessellator.addVertexWithUV(xMidDown, y + 1, zTop, d, d3);
            tessellator.addVertexWithUV(xMidDown, y + 0, zTop, d, d4);
            tessellator.addVertexWithUV(xMidDown, y + 0, zBot, d2, d4);
            tessellator.addVertexWithUV(xMidDown, y + 1, zBot, d2, d3);
            tessellator.addVertexWithUV(xMidUp, y + 1, zBot, d, d3);
            tessellator.addVertexWithUV(xMidUp, y + 0, zBot, d, d4);
            tessellator.addVertexWithUV(xMidUp, y + 0, zTop, d2, d4);
            tessellator.addVertexWithUV(xMidUp, y + 1, zTop, d2, d3);
            if (renderAbove)
            {
                tessellator.addVertexWithUV(xMidUp, y + 1, zTop, d6, d9);
                tessellator.addVertexWithUV(xMidUp, y + 1, zBot, d6, d7);
                tessellator.addVertexWithUV(xMidDown, y + 1, zBot, d5, d7);
                tessellator.addVertexWithUV(xMidDown, y + 1, zTop, d5, d9);
            }
            else
            {
                if (y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x, y + 1, z - 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y + 1, zBot, d6, d7);
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d6, d8);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zBot, d5, d7);
                }
                if (y < l - 1 && WorldHelper.isAirBlock(iblockaccess, x, y + 1, z + 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y + 1, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidDown, y + 1, zTop, d5, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zTop, d6, d9);
                    tessellator.addVertexWithUV(xMidUp, y + 1, zMid, d6, d8);
                }
            }
            if (renderBelow)
            {
                tessellator.addVertexWithUV(xMidUp, y, zTop, d6, d9);
                tessellator.addVertexWithUV(xMidUp, y, zBot, d6, d7);
                tessellator.addVertexWithUV(xMidDown, y, zBot, d5, d7);
                tessellator.addVertexWithUV(xMidDown, y, zTop, d5, d9);
                tessellator.addVertexWithUV(xMidUp, y, zBot, d6, d9);
                tessellator.addVertexWithUV(xMidUp, y, zTop, d6, d7);
                tessellator.addVertexWithUV(xMidDown, y, zTop, d5, d7);
                tessellator.addVertexWithUV(xMidDown, y, zBot, d5, d9);
            }
            else
            {
                if (y > 1 && WorldHelper.isAirBlock(iblockaccess, x, y - 1, z - 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y, zBot, d6, d7);
                    tessellator.addVertexWithUV(xMidDown, y, zMid, d6, d8);
                    tessellator.addVertexWithUV(xMidUp, y, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidUp, y, zBot, d5, d7);
                }
                if (y > 1 && WorldHelper.isAirBlock(iblockaccess, x, y - 1, z + 1))
                {
                    tessellator.addVertexWithUV(xMidDown, y, zMid, d5, d8);
                    tessellator.addVertexWithUV(xMidDown, y, zTop, d5, d9);
                    tessellator.addVertexWithUV(xMidUp, y, zTop, d6, d9);
                    tessellator.addVertexWithUV(xMidUp, y, zMid, d6, d8);
                }
            }
        }
        return true;
    }

}