126 lines
3.1 KiB
Java
126 lines
3.1 KiB
Java
/*
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* Pixel Dungeon
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* Copyright (C) 2012-2015 Oleg Dolya
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*
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* Shattered Pixel Dungeon
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* Copyright (C) 2014-2021 Evan Debenham
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package com.watabou.noosa;
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import com.watabou.gltextures.SmartTexture;
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import com.watabou.gltextures.TextureCache;
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import com.watabou.utils.RectF;
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import java.util.HashMap;
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public class TextureFilm {
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private static final RectF FULL = new RectF( 0, 0, 1, 1 );
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private int texWidth;
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private int texHeight;
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protected HashMap<Object,RectF> frames = new HashMap<>();
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public TextureFilm( Object tx ) {
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SmartTexture texture = TextureCache.get( tx );
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texWidth = texture.width;
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texHeight = texture.height;
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add( null, FULL );
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}
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public TextureFilm( SmartTexture texture, int width ) {
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this( texture, width, texture.height );
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}
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public TextureFilm( Object tx, int width, int height ) {
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SmartTexture texture = TextureCache.get( tx );
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texWidth = texture.width;
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texHeight = texture.height;
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float uw = (float)width / texWidth;
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float vh = (float)height / texHeight;
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int cols = texWidth / width;
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int rows = texHeight / height;
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for (int i=0; i < rows; i++) {
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for (int j=0; j < cols; j++) {
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RectF rect = new RectF( j * uw, i * vh, (j+1) * uw, (i+1) * vh );
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add( i * cols + j, rect );
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}
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}
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}
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public TextureFilm( TextureFilm atlas, Object key, int width, int height ) {
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texWidth = atlas.texWidth;
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texHeight = atlas.texHeight;
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RectF patch = atlas.get( key );
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float uw = (float)width / texWidth;
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float vh = (float)height / texHeight;
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int cols = (int)(width( patch ) / width);
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int rows = (int)(height( patch ) / height);
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for (int i=0; i < rows; i++) {
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for (int j=0; j < cols; j++) {
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RectF rect = new RectF( j * uw, i * vh, (j+1) * uw, (i+1) * vh );
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rect.shift( patch.left, patch.top );
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add( i * cols + j, rect );
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}
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}
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}
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public void add( Object id, RectF rect ) {
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frames.put( id, rect );
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}
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public void add( Object id, float left, float top, float right, float bottom){
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frames.put( id,
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new RectF(
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left / texWidth,
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top / texHeight,
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right / texWidth,
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bottom / texHeight ));
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}
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public RectF get( Object id ) {
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return frames.get( id );
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}
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public float width( Object id ){
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return width( get( id ) );
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}
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public float width( RectF frame ) {
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return frame.width() * texWidth;
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}
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public float height( Object id ){
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return height( get( id ) );
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}
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public float height( RectF frame ) {
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return frame.height() * texHeight;
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}
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} |