www.pudn.com > boogiebot.zip > TerrainManager.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
 
namespace BoogieBot.Common 
{ 
    /// 
Manages Terrain Data. Provides numerous useful methods to query terrain data, and does so by looking up (and if nessessary, loading in) the appropriate maptile.
 
    public class TerrainManager 
    { 
        private List mapTiles; 
 
        private static float TILESIZE = 533.33333f; 
        private static float ZEROPOINT = 32.0f * TILESIZE; 
 
        public TerrainManager() 
        { 
            mapTiles = new List(); 
        } 
 
        public String getLocationAsString(Coordinate c, uint mapid, uint zoneid) 
        { 
            String mapName = BoogieCore.mapTable.getMapName(mapid); 
            String areaName = BoogieCore.areaTable.getAreaName(zoneid); 
 
            return String.Format("{0}: {1}: ({2}, {3}, {4})", mapName, areaName, c.X, c.Y, c.Z); 
        } 
 
        public Coordinate getZ(Coordinate c) 
        { 
            // Make a new coordinate object so we don't modify the original 
            Coordinate h = new Coordinate(c.X, c.Y, c.Z, c.O); 
            h.Z = getZ(c.X, c.Y); 
            return h; 
        } 
 
        public float getZ(float x, float y) 
        { 
            doMaintenance(false); 
 
            int TileX = (int)(((0f - y) + TerrainManager.ZEROPOINT) / TerrainManager.TILESIZE); 
            int TileZ = (int)(((0f - x) + TerrainManager.ZEROPOINT) / TerrainManager.TILESIZE); 
 
            // Find the maptile on the list of loaded tiles. 
            MapTile tile = findTile(TileX, TileZ); 
 
            // Ask the maptile to get z for x,y 
            return tile.getZ(x, y); 
        } 
 
        public float getWaterHeight(float x, float y) 
        { 
            doMaintenance(false); 
 
            int TileX = (int)(((0f - y) + TerrainManager.ZEROPOINT) / TerrainManager.TILESIZE); 
            int TileZ = (int)(((0f - x) + TerrainManager.ZEROPOINT) / TerrainManager.TILESIZE); 
 
            // Find the maptile on the list of loaded tiles. 
            MapTile tile = findTile(TileX, TileZ); 
 
            // Ask the maptile to get z for x,y 
            return tile.getWaterHeight(x, y); 
        } 
 
        // Notify the terrain manager that we have just zoned. 
        public void zoned() 
        { 
            // If we just zoned to a different map, do maintenance and flush the current tile list 
            doMaintenance(true); 
        } 
 
        // Finds Maptile x,z on the list 
        private MapTile findTile(int x, int z) 
        { 
            foreach (MapTile mapTile in mapTiles) 
            { 
                if (mapTile.X == x && mapTile.Z == z) 
                    return mapTile; 
            } 
 
            // Wasn't a tile we have currently Loaded? Load it in!! 
            return loadTile(x, z); 
        } 
 
        // Loads a maptile in 
        private MapTile loadTile(int x, int z) 
        { 
            String mapname = BoogieCore.mapTable.getMapName(BoogieCore.world.getMapID()); 
 
            MapTile tile = new MapTile(mapname, x, z); 
            mapTiles.Add(tile); 
            return tile; 
        } 
 
        // Do maintenance 
        private void doMaintenance(Boolean flush) 
        { 
            // Delete all maptiles off the list 
            if (flush) 
            { 
                mapTiles = new List(); 
            } 
 
            // If the list is getting long 
            if (mapTiles.Count > 100) 
            { 
                // Prune it. 
                mapTiles = new List(); 
            } 
        } 
 
        // DEBUG METHODS ///////////////////////////////////////////////////////////////// 
        public int DEBUG_TileCount() 
        { 
            return mapTiles.Count; 
        } 
    } 
}