Java tutorial
/** ################################################################## # FOUR IN A LINE MOBILE # ################################################################## # # # Authors: Domenico Martella - Francesco Valente # # E-mail: info@alcacoop.it # # Date: 18/10/2013 # # # ################################################################## # # # Copyright (C) 2013 Alca Societa' Cooperativa # # # # This file is part of FOUR IN A LINE MOBILE. # # FOUR IN A LINE MOBILE 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. # # # # FOUR IN A LINE MOBILE 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 v3 along with this program. # # If not, see <http://http://www.gnu.org/licenses/> # # # ################################################################## **/ /******************************************************************************* * Copyright 2011 See AUTHORS file. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package it.alcacoop.fourinaline.actors; import it.alcacoop.fourinaline.FourInALine; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.GL10; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.Pixmap.Format; import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.graphics.g2d.TextureRegion; import com.badlogic.gdx.graphics.glutils.FrameBuffer; import com.badlogic.gdx.graphics.glutils.ShaderProgram; import com.badlogic.gdx.math.Matrix4; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.scenes.scene2d.ui.Widget; import com.badlogic.gdx.scenes.scene2d.utils.Align; import com.badlogic.gdx.scenes.scene2d.utils.Drawable; import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable; import com.badlogic.gdx.utils.Scaling; public class BoardImage extends Widget { private Scaling scaling; private int align = Align.center; private float imageX, imageY, imageWidth, imageHeight; private Drawable drawable; private int nx, ny; private int xdim; private int ydim; private TextureRegion tile, mask; private Texture wood; private ShaderProgram shader; private FrameBuffer fbo1, fbo2; public BoardImage(final float imageWidth, final float imageHeight, final int nx, final int ny) { setDrawable(new TextureRegionDrawable(FourInALine.Instance.atlas.findRegion("hole"))); this.scaling = Scaling.stretch; this.align = Align.center; this.nx = nx; this.ny = ny; xdim = (int) imageWidth / nx; ydim = (int) imageHeight / ny; setWidth((int) imageWidth); setHeight((int) imageHeight); tile = FourInALine.Instance.atlas.findRegion("hole"); wood = FourInALine.Instance.wood; mask = new TextureRegion(FourInALine.Instance.mask); shader = new ShaderProgram(Gdx.files.internal("shaders/vertex.s"), Gdx.files.internal("shaders/fragment.s")); System.out.println(shader.isCompiled()); System.out.println(shader.getLog()); } public void layout() { if (drawable == null) return; float regionWidth = drawable.getMinWidth(); float regionHeight = drawable.getMinHeight(); float width = getWidth(); float height = getHeight(); Vector2 size = scaling.apply(regionWidth, regionHeight, width, height); imageWidth = size.x; imageHeight = size.y; if ((align & Align.left) != 0) imageX = 0; else if ((align & Align.right) != 0) imageX = (int) (width - imageWidth); else imageX = (int) (width / 2 - imageWidth / 2); if ((align & Align.top) != 0) imageY = (int) (height - imageHeight); else if ((align & Align.bottom) != 0) imageY = 0; else imageY = (int) (height / 2 - imageHeight / 2); if (fbo1 == null) { fbo1 = new FrameBuffer(Format.RGBA8888, (int) getWidth(), (int) getHeight(), false); fbo2 = new FrameBuffer(Format.RGBA8888, (int) getWidth(), (int) getHeight(), false); } SpriteBatch sb = new SpriteBatch(); Matrix4 matrix = new Matrix4(); matrix.setToOrtho2D(0, 0, getWidth(), getHeight()); // here is the actual size you want sb.setProjectionMatrix(matrix); fbo1.begin(); sb.begin(); Gdx.gl.glClearColor(1, 1, 1, 0); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); if (drawable != null) { for (int x = 0; x < nx; x++) for (int y = 0; y < ny; y++) { sb.draw(mask, x * xdim, y * ydim, 0, 0, xdim, ydim, 1, 1, 0); } } sb.end(); fbo1.end(); fbo2.begin(); sb.setShader(shader); sb.begin(); Gdx.gl.glClearColor(1, 1, 1, 0); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); Gdx.gl20.glActiveTexture(GL20.GL_TEXTURE1); wood.bind(); shader.setUniformi("u_wood", 1); Gdx.gl20.glActiveTexture(GL20.GL_TEXTURE0); sb.draw(fbo1.getColorBufferTexture(), 0, 0, getWidth(), getHeight()); sb.end(); shader.end(); sb.setShader(null); fbo2.end(); } public void draw(SpriteBatch batch, float parentAlpha) { validate(); Color color = getColor(); batch.setColor(color.r, color.g, color.b, color.a * parentAlpha); // BG if (drawable != null) { for (int x = 0; x < nx; x++) for (int y = 0; y < ny; y++) { batch.draw(tile, x * xdim + getX(), y * ydim + getY(), 0, 0, xdim, ydim, 1, 1, 0); } } batch.setColor(1, 1, 1, 1); batch.draw(fbo2.getColorBufferTexture(), getX(), getY()); batch.setColor(1, 1, 1, 1); } @Override public void setPosition(float x, float y) { setX(x); setY(y); } public void setDrawable(Drawable drawable) { if (drawable != null) { if (this.drawable == drawable) return; if (getPrefWidth() != drawable.getMinWidth() || getPrefHeight() != drawable.getMinHeight()) invalidateHierarchy(); } else { if (getPrefWidth() != 0 || getPrefHeight() != 0) invalidateHierarchy(); } this.drawable = drawable; } public Drawable getDrawable() { return drawable; } public void setScaling(Scaling scaling) { if (scaling == null) throw new IllegalArgumentException("scaling cannot be null."); this.scaling = scaling; } public void setAlign(int align) { this.align = align; } public float getMinWidth() { return 0; } public float getMinHeight() { return 0; } public float getPrefWidth() { if (drawable != null) return drawable.getMinWidth(); return 0; } public float getPrefHeight() { if (drawable != null) return drawable.getMinHeight(); return 0; } public float getImageX() { return imageX; } public float getImageY() { return imageY; } public float getImageWidth() { return imageWidth; } public float getImageHeight() { return imageHeight; } }