tcr/java/src/game/block/BlockButton.java

package game.block;

import java.util.List;

import com.google.common.collect.Lists;

import game.entity.Entity;
import game.entity.npc.EntityNPC;
import game.entity.projectile.EntityArrow;
import game.entity.types.EntityLiving;
import game.init.SoundEvent;
import game.item.CheatTab;
import game.material.Material;
import game.model.ModelRotation;
import game.properties.IProperty;
import game.properties.PropertyBool;
import game.properties.PropertyDirection;
import game.renderer.blockmodel.ModelBlock;
import game.renderer.blockmodel.Transforms;
import game.rng.Random;
import game.world.BlockPos;
import game.world.BoundingBox;
import game.world.Facing;
import game.world.IWorldAccess;
import game.world.State;
import game.world.World;
import game.world.WorldServer;

public class BlockButton extends Block
{
    public static final PropertyDirection FACING = PropertyDirection.create("facing");
    public static final PropertyBool POWERED = PropertyBool.create("powered");
    public static final List<BlockButton> BUTTONS = Lists.newArrayList();
    
    private final boolean checkArrows;
    private final int onTime;
    private final String texture;

    public BlockButton(boolean arrows, int onTime, String texture)
    {
        super(Material.circuits);
        this.setDefaultState(this.getBaseState().withProperty(FACING, Facing.NORTH).withProperty(POWERED, Boolean.valueOf(false)));
//        this.setTickRandomly(true);
        this.setTab(CheatTab.tabTech);
        this.checkArrows = arrows;
        this.onTime = onTime;
        this.texture = texture;
        BUTTONS.add(this);
    }

    public BoundingBox getCollisionBoundingBox(World worldIn, BlockPos pos, State state)
    {
        return null;
    }

    /**
     * How many world ticks before ticking
     */
    public int tickRate(World worldIn, BlockPos pos)
    {
        return this.onTime;
    }

    /**
     * Used to determine ambient occlusion and culling when rebuilding chunks for render
     */
    public boolean isOpaqueCube()
    {
        return false;
    }

    public boolean isFullCube()
    {
        return false;
    }

    /**
     * Check whether this Block can be placed on the given side
     */
    public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, Facing side)
    {
        return canPlaceButtonOn(worldIn, pos, side.getOpposite());
    }

    public boolean canPlaceBlockAt(World worldIn, BlockPos pos)
    {
        for (Facing enumfacing : Facing.values())
        {
            if (canPlaceButtonOn(worldIn, pos, enumfacing))
            {
                return true;
            }
        }

        return false;
    }

    protected static boolean canPlaceButtonOn(World worldIn, BlockPos pos, Facing face)
    {
        BlockPos blockpos = pos.offset(face);
        return face == Facing.DOWN ? worldIn.isBlockSolid(blockpos) : worldIn.getState(blockpos).getBlock().isNormalCube();
    }

    /**
     * Called by ItemBlocks just before a block is actually set in the world, to allow for adjustments to the
     * IBlockstate
     */
    public State onBlockPlaced(World worldIn, BlockPos pos, Facing facing, float hitX, float hitY, float hitZ, int meta, EntityLiving placer)
    {
        return canPlaceButtonOn(worldIn, pos, facing.getOpposite()) ? this.getState().withProperty(FACING, facing).withProperty(POWERED, Boolean.valueOf(false)) : this.getState().withProperty(FACING, Facing.DOWN).withProperty(POWERED, Boolean.valueOf(false));
    }

    /**
     * Called when a neighboring block changes.
     */
    public void onNeighborBlockChange(World worldIn, BlockPos pos, State state, Block neighborBlock)
    {
        if (this.checkForDrop(worldIn, pos, state) && !canPlaceButtonOn(worldIn, pos, ((Facing)state.getValue(FACING)).getOpposite()))
        {
            this.dropBlockAsItem(worldIn, pos, state, 0);
            worldIn.setBlockToAir(pos);
        }
    }

    private boolean checkForDrop(World worldIn, BlockPos pos, State state)
    {
        if (this.canPlaceBlockAt(worldIn, pos))
        {
            return true;
        }
        else
        {
            this.dropBlockAsItem(worldIn, pos, state, 0);
            worldIn.setBlockToAir(pos);
            return false;
        }
    }

    public void setBlockBoundsBasedOnState(IWorldAccess worldIn, BlockPos pos)
    {
        this.updateBlockBounds(worldIn.getState(pos));
    }

    private void updateBlockBounds(State state)
    {
        Facing enumfacing = (Facing)state.getValue(FACING);
        boolean flag = ((Boolean)state.getValue(POWERED)).booleanValue();
        float f = 0.25F;
        float f1 = 0.375F;
        float f2 = (float)(flag ? 1 : 2) / 16.0F;
        float f3 = 0.125F;
        float f4 = 0.1875F;

        switch (enumfacing)
        {
            case EAST:
                this.setBlockBounds(0.0F, 0.375F, 0.3125F, f2, 0.625F, 0.6875F);
                break;

            case WEST:
                this.setBlockBounds(1.0F - f2, 0.375F, 0.3125F, 1.0F, 0.625F, 0.6875F);
                break;

            case SOUTH:
                this.setBlockBounds(0.3125F, 0.375F, 0.0F, 0.6875F, 0.625F, f2);
                break;

            case NORTH:
                this.setBlockBounds(0.3125F, 0.375F, 1.0F - f2, 0.6875F, 0.625F, 1.0F);
                break;

            case UP:
                this.setBlockBounds(0.3125F, 0.0F, 0.375F, 0.6875F, 0.0F + f2, 0.625F);
                break;

            case DOWN:
                this.setBlockBounds(0.3125F, 1.0F - f2, 0.375F, 0.6875F, 1.0F, 0.625F);
        }
    }

    public boolean onBlockActivated(World worldIn, BlockPos pos, State state, EntityNPC playerIn, Facing side, float hitX, float hitY, float hitZ)
    {
        if (((Boolean)state.getValue(POWERED)).booleanValue())
        {
            return true;
        }
        else
        {
            worldIn.setState(pos, state.withProperty(POWERED, Boolean.valueOf(true)), 3);
            worldIn.markBlockRangeForRenderUpdate(pos, pos);
            worldIn.playSound(SoundEvent.CLICK, (double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, 0.3F, 0.6F);
            this.notifyNeighbors(worldIn, pos, (Facing)state.getValue(FACING));
            worldIn.scheduleUpdate(pos, this, this.tickRate(worldIn, null));
            return true;
        }
    }

    public void onBlockRemoved(WorldServer worldIn, BlockPos pos, State state)
    {
        if (((Boolean)state.getValue(POWERED)).booleanValue())
        {
            this.notifyNeighbors(worldIn, pos, (Facing)state.getValue(FACING));
        }

        super.onBlockRemoved(worldIn, pos, state);
    }

    public int getWeakPower(IWorldAccess worldIn, BlockPos pos, State state, Facing side)
    {
        return ((Boolean)state.getValue(POWERED)).booleanValue() ? 15 : 0;
    }

    public int getStrongPower(IWorldAccess worldIn, BlockPos pos, State state, Facing side)
    {
        return !((Boolean)state.getValue(POWERED)).booleanValue() ? 0 : (state.getValue(FACING) == side ? 15 : 0);
    }

    /**
     * Can this block provide power. Only wire currently seems to have this change based on its state.
     */
    public boolean canProvidePower()
    {
        return true;
    }

    /**
     * Called randomly when setTickRandomly is set to true (used by e.g. crops to grow, etc.)
     */
    public void randomTick(WorldServer worldIn, BlockPos pos, State state, Random random)
    {
    }

    public void updateTick(WorldServer worldIn, BlockPos pos, State state, Random rand)
    {
//        if (!worldIn.client)
//        {
        if (((Boolean)state.getValue(POWERED)).booleanValue())
        {
            if (this.checkArrows)
            {
                this.checkForArrows(worldIn, pos, state);
            }
            else
            {
                worldIn.setState(pos, state.withProperty(POWERED, Boolean.valueOf(false)));
                this.notifyNeighbors(worldIn, pos, (Facing)state.getValue(FACING));
                worldIn.playSound(SoundEvent.CLICK, (double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, 0.3F, 0.5F);
                worldIn.markBlockRangeForRenderUpdate(pos, pos);
            }
        }
//        }
    }

    /**
     * Sets the block's bounds for rendering it as an item
     */
    public void setBlockBoundsForItemRender()
    {
        float f = 0.1875F;
        float f1 = 0.125F;
        float f2 = 0.125F;
        this.setBlockBounds(0.5F - f, 0.5F - f1, 0.5F - f2, 0.5F + f, 0.5F + f1, 0.5F + f2);
    }

    /**
     * Called When an Entity Collided with the Block
     */
    public void onEntityCollidedWithBlock(World worldIn, BlockPos pos, State state, Entity entityIn)
    {
        if (!worldIn.client)
        {
            if (this.checkArrows)
            {
                if (!((Boolean)state.getValue(POWERED)).booleanValue())
                {
                    this.checkForArrows(worldIn, pos, state);
                }
            }
        }
    }

    private void checkForArrows(World worldIn, BlockPos pos, State state)
    {
        this.updateBlockBounds(state);
        List <? extends Entity > list = worldIn.<Entity>getEntitiesWithinAABB(EntityArrow.class, new BoundingBox((double)pos.getX() + this.minX, (double)pos.getY() + this.minY, (double)pos.getZ() + this.minZ, (double)pos.getX() + this.maxX, (double)pos.getY() + this.maxY, (double)pos.getZ() + this.maxZ));
        boolean flag = !list.isEmpty();
        boolean flag1 = ((Boolean)state.getValue(POWERED)).booleanValue();

        if (flag && !flag1)
        {
            worldIn.setState(pos, state.withProperty(POWERED, Boolean.valueOf(true)));
            this.notifyNeighbors(worldIn, pos, (Facing)state.getValue(FACING));
            worldIn.markBlockRangeForRenderUpdate(pos, pos);
            worldIn.playSound(SoundEvent.CLICK, (double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, 0.3F, 0.6F);
        }

        if (!flag && flag1)
        {
            worldIn.setState(pos, state.withProperty(POWERED, Boolean.valueOf(false)));
            this.notifyNeighbors(worldIn, pos, (Facing)state.getValue(FACING));
            worldIn.markBlockRangeForRenderUpdate(pos, pos);
            worldIn.playSound(SoundEvent.CLICK, (double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, 0.3F, 0.5F);
        }

        if (flag)
        {
            worldIn.scheduleUpdate(pos, this, this.tickRate(worldIn, null));
        }
    }

    private void notifyNeighbors(World worldIn, BlockPos pos, Facing facing)
    {
        worldIn.notifyNeighborsOfStateChange(pos, this);
        worldIn.notifyNeighborsOfStateChange(pos.offset(facing.getOpposite()), this);
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public State getStateFromMeta(int meta)
    {
        Facing enumfacing;

        switch (meta & 7)
        {
            case 0:
                enumfacing = Facing.DOWN;
                break;

            case 1:
                enumfacing = Facing.EAST;
                break;

            case 2:
                enumfacing = Facing.WEST;
                break;

            case 3:
                enumfacing = Facing.SOUTH;
                break;

            case 4:
                enumfacing = Facing.NORTH;
                break;

            case 5:
            default:
                enumfacing = Facing.UP;
        }

        return this.getState().withProperty(FACING, enumfacing).withProperty(POWERED, Boolean.valueOf((meta & 8) > 0));
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(State state)
    {
        int i;

        switch ((Facing)state.getValue(FACING))
        {
            case EAST:
                i = 1;
                break;

            case WEST:
                i = 2;
                break;

            case SOUTH:
                i = 3;
                break;

            case NORTH:
                i = 4;
                break;

            case UP:
            default:
                i = 5;
                break;

            case DOWN:
                i = 0;
        }

        if (((Boolean)state.getValue(POWERED)).booleanValue())
        {
            i |= 8;
        }

        return i;
    }

    protected IProperty[] getProperties()
    {
        return new IProperty[] {FACING, POWERED};
    }
    
    public boolean isMagnetic() {
    	return this.onTime == 10;
    }

    public Transforms getTransform() {
    	return Transforms.BUTTON;
    }
    
    private static ModelRotation getRotation(Facing face) {
    	switch(face) {
			case DOWN:
				return ModelRotation.X180_Y0;
			case UP:
			default:
				return ModelRotation.X0_Y0;
			case NORTH:
				return ModelRotation.X90_Y0;
			case SOUTH:
				return ModelRotation.X90_Y180;
			case WEST:
				return ModelRotation.X90_Y270;
			case EAST:
				return ModelRotation.X90_Y90;
    	}
    }
    
    public String getTexture() {
    	return this.texture;
    }

    public ModelBlock getModel(String name, State state) {
    	boolean pressed = state.getValue(POWERED);
    	return new ModelBlock(this.texture).add(5, 0, 6, 11, pressed ? 1 : 2, 10)
    			.d().uv(5, 6, 11, 10).u().uv(5, 10, 11, 6).noCull()
    			.ns().uv(5, pressed ? 15 : 14, 11, 16).noCull().we().uv(6, pressed ? 15 : 14, 10, 16).noCull()
    			.rotate(getRotation(state.getValue(FACING)));
    }
}