/* * Copyright (C) 2012-2015 Oleg Dolya * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> */ package com.watabou.noosa; import java.nio.FloatBuffer; import com.watabou.gltextures.SmartTexture; import com.watabou.gltextures.TextureCache; import com.watabou.glwrap.Quad; import com.watabou.utils.Rect; import android.graphics.RectF; public class Tilemap extends Visual { protected SmartTexture texture; protected TextureFilm tileset; protected int[] data; protected int mapWidth; protected int mapHeight; protected int size; private float cellW; private float cellH; protected float[] vertices; protected FloatBuffer quads; public Rect updated; public Tilemap( Object tx, TextureFilm tileset ) { super( 0, 0, 0, 0 ); this.texture = TextureCache.get( tx ); this.tileset = tileset; RectF r = tileset.get( 0 ); cellW = tileset.width( r ); cellH = tileset.height( r ); vertices = new float[16]; updated = new Rect(); } public void map( int[] data, int cols ) { this.data = data; mapWidth = cols; mapHeight = data.length / cols; size = mapWidth * mapHeight; width = cellW * mapWidth; height = cellH * mapHeight; quads = Quad.createSet( size ); updated.set( 0, 0, mapWidth, mapHeight ); } protected void updateVertices() { float y1 = cellH * updated.top; float y2 = y1 + cellH; for (int i=updated.top; i < updated.bottom; i++) { float x1 = cellW * updated.left; float x2 = x1 + cellW; int pos = i * mapWidth + updated.left; quads.position( 16 * pos ); for (int j=updated.left; j < updated.right; j++) { RectF uv = tileset.get( data[pos++] ); vertices[0] = x1; vertices[1] = y1; vertices[2] = uv.left; vertices[3] = uv.top; vertices[4] = x2; vertices[5] = y1; vertices[6] = uv.right; vertices[7] = uv.top; vertices[8] = x2; vertices[9] = y2; vertices[10] = uv.right; vertices[11] = uv.bottom; vertices[12] = x1; vertices[13] = y2; vertices[14] = uv.left; vertices[15] = uv.bottom; quads.put( vertices ); x1 = x2; x2 += cellW; } y1 = y2; y2 += cellH; } updated.setEmpty(); } @Override public void draw() { super.draw(); NoosaScript script = NoosaScript.get(); texture.bind(); script.uModel.valueM4( matrix ); script.lighting( rm, gm, bm, am, ra, ga, ba, aa ); if (!updated.isEmpty()) { updateVertices(); } script.camera( camera ); script.drawQuadSet( quads, size ); } }