    001    /*
    002     * The FML Forge Mod Loader suite.
    003     * Copyright (C) 2012 cpw
    004     *
    005     * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free
    006     * Software Foundation; either version 2.1 of the License, or any later version.
    007     *
    008     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
    009     * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    010     *
    011     * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51
    012     * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
    013     */
    014
    015    package net.minecraft.src;
    016
    017    import static org.lwjgl.opengl.GL11.GL_TEXTURE_2D;
    018
    019    import java.awt.Graphics2D;
    020    import java.awt.image.BufferedImage;
    021    import java.awt.image.ImageObserver;
    022
    023    import net.minecraft.client.renderer.RenderEngine;
    024
    025    import org.lwjgl.opengl.GL11;
    026
    027    import cpw.mods.fml.client.FMLClientHandler;
    028    import cpw.mods.fml.client.FMLTextureFX;
    029
    030    public class ModTextureStatic extends FMLTextureFX
    031    {
    032        private boolean oldanaglyph = false;
    033        private int[] pixels = null;
    034        private String targetTex = null;
    035        private int storedSize;
    036        private BufferedImage overrideData = null;
    037        private int needApply = 10;
    038
    039
    040        public ModTextureStatic(int icon, int target, BufferedImage image)
    041        {
    042            this(icon, 1, target, image);
    043        }
    044
    045        public ModTextureStatic(int icon, int size, int target, BufferedImage image)
    046        {
    047            this(icon, size, (target == 0 ? "/terrain.png" : "/gui/items.png"), image);
    048        }
    049
    050        public ModTextureStatic(int icon, int size, String target, BufferedImage image)
    051        {
    052            super(icon);
    053            RenderEngine re = FMLClientHandler.instance().getClient().renderEngine;
    054
    055            targetTex = target;
    056            storedSize = size;
    057            tileSize = size;
    058            tileImage = re.getTexture(target);
    059            overrideData = image;
    060        }
    061
    062        @Override
    063        public void setup()
    064        {
    065            super.setup();
    066            int sWidth  = overrideData.getWidth();
    067            int sHeight = overrideData.getHeight();
    068
    069            pixels = new int[tileSizeSquare];
    070            if (tileSizeBase == sWidth && tileSizeBase == sHeight)
    071            {
    072                overrideData.getRGB(0, 0, sWidth, sHeight, pixels, 0, sWidth);
    073            }
    074            else
    075            {
    076                BufferedImage tmp = new BufferedImage(tileSizeBase, tileSizeBase, 6);
    077                Graphics2D gfx = tmp.createGraphics();
    078                gfx.drawImage(overrideData, 0, 0, tileSizeBase, tileSizeBase, 0, 0, sWidth, sHeight, (ImageObserver)null);
    079                tmp.getRGB(0, 0, tileSizeBase, tileSizeBase, pixels, 0, tileSizeBase);
    080                gfx.dispose();
    081            }
    082
    083            update();
    084        }
    085
    086        @Override
    087        public void onTick()
    088        {
    089            if (oldanaglyph != anaglyphEnabled)
    090            {
    091                update();
    092            }
    093            // This makes it so we only apply the texture to the target texture when we need to,
    094            //due to the fact that update is called when the Effect is first registered, we actually
    095            //need to wait for the next one.
    096            tileSize = (needApply == 0 ? 0 : storedSize);
    097            if (needApply > 0)
    098            {
    099                needApply--;
    100            }
    101        }
    102
    103        @Override
    104        public void bindImage(RenderEngine par1RenderEngine)
    105        {
    106            GL11.glBindTexture(GL_TEXTURE_2D, par1RenderEngine.getTexture(targetTex));
    107        }
    108
    109        public void update()
    110        {
    111            needApply = 10;
    112            for (int idx = 0; idx < pixels.length; idx++)
    113            {
    114                int i = idx * 4;
    115                int a = pixels[idx] >> 24 & 255;
    116                int r = pixels[idx] >> 16 & 255;
    117                int g = pixels[idx] >> 8 & 255;
    118                int b = pixels[idx] >> 0 & 255;
    119
    120                if (anaglyphEnabled)
    121                {
    122                    r = g = b = (r + g + b) / 3;
    123                }
    124
    125                imageData[i + 0] = (byte)r;
    126                imageData[i + 1] = (byte)g;
    127                imageData[i + 2] = (byte)b;
    128                imageData[i + 3] = (byte)a;
    129            }
    130
    131            oldanaglyph = anaglyphEnabled;
    132        }
    133
    134        //Implementation of http://scale2x.sourceforge.net/algorithm.html
    135        public static BufferedImage scale2x(BufferedImage image)
    136        {
    137            int w = image.getWidth();
    138            int h = image.getHeight();
    139            BufferedImage tmp = new BufferedImage(w * 2, h * 2, 2);
    140
    141            for (int x = 0; x < h; ++x)
    142            {
    143                int x2 = x * 2;
    144                for (int y = 0; y < w; ++y)
    145                {
    146                    int y2 = y * 2;
    147                    int E = image.getRGB(y, x);
    148                    int D = (x == 0     ? E : image.getRGB(y,     x - 1));
    149                    int B = (y == 0     ? E : image.getRGB(y - 1, x    ));
    150                    int H = (y >= w - 1 ? E : image.getRGB(y + 1, x    ));
    151                    int F = (x >= h - 1 ? E : image.getRGB(y,     x + 1));
    152
    153                    int e0, e1, e2, e3;
    154
    155                    if (B != H && D != F)
    156                    {
    157                        e0 = D == B ? D : E;
    158                        e1 = B == F ? F : E;
    159                        e2 = D == H ? D : E;
    160                        e3 = H == F ? F : E;
    161                    }
    162                    else
    163                    {
    164                        e0 = e1 = e2 = e3 = E;
    165                    }
    166
    167                    tmp.setRGB(y2,     x2,     e0);
    168                    tmp.setRGB(y2 + 1, x2,     e1);
    169                    tmp.setRGB(y2,     x2 + 1, e2);
    170                    tmp.setRGB(y2 + 1, x2 + 1, e3);
    171                }
    172            }
    173
    174            return tmp;
    175        }
    176
    177
    178        @Override
    179        public String toString()
    180        {
    181            return String.format("ModTextureStatic %s @ %d", targetTex, iconIndex);
    182        }
    183    }