Files
shattered-pixel-dungeon-web…/SPD-classes/src/main/java/com/watabou/noosa/TextureFilm.java

126 lines
3.1 KiB
Java

/*
* Pixel Dungeon
* Copyright (C) 2012-2015 Oleg Dolya
*
* Shattered Pixel Dungeon
* Copyright (C) 2014-2021 Evan Debenham
*
* 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 com.watabou.gltextures.SmartTexture;
import com.watabou.gltextures.TextureCache;
import com.watabou.utils.RectF;
import java.util.HashMap;
public class TextureFilm {
private static final RectF FULL = new RectF( 0, 0, 1, 1 );
private int texWidth;
private int texHeight;
protected HashMap<Object,RectF> frames = new HashMap<>();
public TextureFilm( Object tx ) {
SmartTexture texture = TextureCache.get( tx );
texWidth = texture.width;
texHeight = texture.height;
add( null, FULL );
}
public TextureFilm( SmartTexture texture, int width ) {
this( texture, width, texture.height );
}
public TextureFilm( Object tx, int width, int height ) {
SmartTexture texture = TextureCache.get( tx );
texWidth = texture.width;
texHeight = texture.height;
float uw = (float)width / texWidth;
float vh = (float)height / texHeight;
int cols = texWidth / width;
int rows = texHeight / height;
for (int i=0; i < rows; i++) {
for (int j=0; j < cols; j++) {
RectF rect = new RectF( j * uw, i * vh, (j+1) * uw, (i+1) * vh );
add( i * cols + j, rect );
}
}
}
public TextureFilm( TextureFilm atlas, Object key, int width, int height ) {
texWidth = atlas.texWidth;
texHeight = atlas.texHeight;
RectF patch = atlas.get( key );
float uw = (float)width / texWidth;
float vh = (float)height / texHeight;
int cols = (int)(width( patch ) / width);
int rows = (int)(height( patch ) / height);
for (int i=0; i < rows; i++) {
for (int j=0; j < cols; j++) {
RectF rect = new RectF( j * uw, i * vh, (j+1) * uw, (i+1) * vh );
rect.shift( patch.left, patch.top );
add( i * cols + j, rect );
}
}
}
public void add( Object id, RectF rect ) {
frames.put( id, rect );
}
public void add( Object id, float left, float top, float right, float bottom){
frames.put( id,
new RectF(
left / texWidth,
top / texHeight,
right / texWidth,
bottom / texHeight ));
}
public RectF get( Object id ) {
return frames.get( id );
}
public float width( Object id ){
return width( get( id ) );
}
public float width( RectF frame ) {
return frame.width() * texWidth;
}
public float height( Object id ){
return height( get( id ) );
}
public float height( RectF frame ) {
return frame.height() * texHeight;
}
}