uitile.java

monkeymahjongg,一个JME3D游戏的源代码

package jmetest.monkeymahjongg.playground.view;

import jmetest.monkeymahjongg.playground.model.Board;
import jmetest.monkeymahjongg.playground.model.ITileListener;
import jmetest.monkeymahjongg.playground.model.Tile;
import jmetest.monkeymahjongg.playground.model.TileSelection;

import com.jme.bounding.BoundingBox;
import com.jme.image.Image;
import com.jme.image.Texture;
import com.jme.math.Vector3f;
import com.jme.renderer.ColorRGBA;
import com.jme.scene.SharedMesh;
import com.jme.scene.TriMesh;
import com.jme.scene.state.CullState;
import com.jme.scene.state.MaterialState;
import com.jme.scene.state.RenderState;
import com.jme.scene.state.TextureState;
import com.jme.system.DisplaySystem;
import com.jme.util.TextureManager;

public class UITile extends SharedMesh implements ITileListener {
	private static final long serialVersionUID = 1L;
	public static final String TILE_USER_DATA = "tile";
	private float dx = 3.5f;
	private float dy = 5f;
	private float dz = 1.5f;
	private Tile tile;

	public UITile(Tile tile, TriMesh sharedData) {
		super("tile", sharedData);
		this.tile = tile;

		setUserData(TILE_USER_DATA, tile);
		tile.setTileListener(this);

		setupMaterialState();
		setupTextureState(tile.getTextureResource());

		setupTranslation();
		setModelBound(new BoundingBox());
		updateModelBound();

		setupCullState();
	}

	private void setupCullState() {
		CullState cs = DisplaySystem.getDisplaySystem().getRenderer()
				.createCullState();
		cs.setCullFace(CullState.Face.Back);
		setRenderState(cs);
	}

	private void setupTranslation() {
		Board board = tile.getBoard();
		int x = tile.getX();
		int y = tile.getY();
		int z = tile.getZ();
		Vector3f translation = new Vector3f(dx * (x - board.getWidth() / 2f)
				+ dx / 2, dy * (board.getHeight() / 2f - y) - 0.5f * dy, 2 * dz
				* z);
		setLocalTranslation(translation);
	}

	private void setupTextureState(String texture) {
		TextureState ts = DisplaySystem.getDisplaySystem().getRenderer()
				.createTextureState();
		Texture t = TextureManager.loadTexture(MahjonggGameState.class
				.getClassLoader().getResource(texture),
				Texture.MinificationFilter.BilinearNearestMipMap,
                                Texture.MagnificationFilter.Bilinear,
				Image.Format.GuessNoCompression, ts.getMaxAnisotropic(), true);
		ts.setTexture(t);
		setRenderState(ts);
	}

	private void setupMaterialState() {
		MaterialState ms = DisplaySystem.getDisplaySystem().getRenderer()
				.createMaterialState();
		ms.setEmissive(ColorRGBA.white);
		setRenderState(ms);
	}

	public void removed(Tile tile) {
		// TODO add bombastic animation here
		removeFromParent();
		tile.setTileListener(null);
	}

	public void selected(Tile tile, TileSelection selection) {
		MaterialState ms = (MaterialState) getRenderState(RenderState.RS_MATERIAL);
		// TODO when match selection is show, a little pause would be good...
		if (selection == TileSelection.first
				|| selection == TileSelection.match)
			ms.setEmissive(ColorRGBA.yellow);
		else if (selection == TileSelection.unselect)
			ms.setEmissive(ColorRGBA.white);
		else if (selection == TileSelection.hint)
			ms.setEmissive(ColorRGBA.green);
	}

}