package appeng.me.cluster; import net.minecraft.tileentity.TileEntity; import net.minecraft.world.World; import net.minecraftforge.common.ForgeDirection; import appeng.api.util.WorldCoord; import appeng.util.Platform; public abstract class MBCalculator { private IAEMultiBlock target; public MBCalculator(IAEMultiBlock t) { target = t; } /** * check if the tile entities are correct for the structure. * * @param te * @return */ public abstract boolean isValidTile(TileEntity te); /** * construct the correct cluster, usually very simple. * * @param w * @param min * @param max * @return */ public abstract IAECluster createCluster(World w, WorldCoord min, WorldCoord max); /** * configure the mutli-block tiles, most of the important stuff is in here. * * @param c * @param w * @param min * @param max */ public abstract void updateTiles(IAECluster c, World w, WorldCoord min, WorldCoord max); /** * disassembles the multi-block. */ public abstract void disconnect(); /** * verify if the structure is the correct dimentions, or size * * @param min * @param max * @return */ public abstract boolean checkMultiblockScale(WorldCoord min, WorldCoord max); public boolean isValidTileAt(World w, int x, int y, int z) { return isValidTile( w.getBlockTileEntity( x, y, z ) ); } public void calculateMultiblock(World worldObj, WorldCoord loc) { if ( Platform.isClient() ) return; try { WorldCoord min = loc.copy(); WorldCoord max = loc.copy(); World w = worldObj; // find size of MB structure... while (isValidTileAt( w, min.x - 1, min.y, min.z )) min.x--; while (isValidTileAt( w, min.x, min.y - 1, min.z )) min.y--; while (isValidTileAt( w, min.x, min.y, min.z - 1 )) min.z--; while (isValidTileAt( w, max.x + 1, max.y, max.z )) max.x++; while (isValidTileAt( w, max.x, max.y + 1, max.z )) max.y++; while (isValidTileAt( w, max.x, max.y, max.z + 1 )) max.z++; if ( checkMultiblockScale( min, max ) ) { if ( verifyUnownedRegion( w, min, max ) ) { IAECluster c = createCluster( w, min, max ); try { if ( !verifyInternalStructure( worldObj, min, max ) ) { disconnect(); return; } } catch (Exception err) { disconnect(); return; } boolean updateGrid = false; IAECluster clust = target.getCluster(); if ( clust == null ) { updateTiles( c, w, min, max ); updateGrid = true; } else c = clust; c.updateStatus( updateGrid ); return; } } } catch (Throwable err) { err.printStackTrace(); } disconnect(); } public abstract boolean verifyInternalStructure(World worldObj, WorldCoord min, WorldCoord max); public boolean verifyUnownedRegionInner(World w, int minx, int miny, int minz, int maxx, int maxy, int maxz, ForgeDirection side) { switch (side) { case WEST: minx -= 1; maxx = minx; break; case EAST: maxx += 1; minx = maxx; break; case DOWN: miny -= 1; maxy = miny; break; case NORTH: maxz += 1; minz = maxz; break; case SOUTH: minz -= 1; maxz = minz; break; case UP: maxy += 1; miny = maxy; break; case UNKNOWN: return false; } for (int x = minx; x <= maxx; x++) { for (int y = miny; y <= maxy; y++) { for (int z = minz; z <= maxz; z++) { TileEntity te = w.getBlockTileEntity( x, y, z ); if ( isValidTile( te ) ) return true; } } } return false; } public boolean verifyUnownedRegion(World w, WorldCoord min, WorldCoord max) { for (ForgeDirection side : ForgeDirection.VALID_DIRECTIONS) if ( verifyUnownedRegionInner( w, min.x, min.y, min.z, max.x, max.y, max.z, side ) ) return false; return true; } }