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package pers.gwyog.gtneioreplugin.util;
import codechicken.nei.recipe.GuiRecipe;
import cpw.mods.fml.common.FMLLog;
import java.lang.reflect.Field;
import net.minecraft.client.Minecraft;
import org.apache.logging.log4j.Level;
public class GuiRecipeHelper {
private static final String INIT_ERROR =
"pers.gwyog.gtneioreplugin.util.GuiRecipeHelper failed setting up reflection : ";
private static final int DEFAULT_XSIZE = 176;
public static Field xSizeField;
public static Field guiLeftField;
public static Field guiTopField;
/**
* Access the xSize field of a GuiRecipe instance, or use a fallback hardcoded value if that fails
*
* @param gui GuiRecipe object
* @return Integer value of the xSize field of that object
*/
public static int getXSize(GuiRecipe gui) {
if (xSizeField != null) {
try {
return (int) xSizeField.get(gui);
} catch (IllegalAccessException e) {
// Fail silently, hoping that it it fails it will be during initialization
}
}
// Fallback should work unless codechicken.nei.recipe.GuiRecipe implementation changes
return DEFAULT_XSIZE;
}
/**
* Access the guiLeft field of a GuiRecipe instance, or use a fallback hardcoded value if that fails
*
* @param gui GuiRecipe object
* @return Integer value of the guiLeft field of that object
*/
public static int getGuiLeft(GuiRecipe gui) {
if (guiLeftField != null) {
try {
return (int) guiLeftField.get(gui);
} catch (IllegalAccessException e) {
// Fail silently, hoping that it it fails it will be during initialization
}
}
// Fallback should work unless codechicken.nei.recipe.GuiRecipe implementation changes
return (Minecraft.getMinecraft().currentScreen.width - DEFAULT_XSIZE) / 2;
}
/**
* Access the guiTop field of a GuiRecipe instance, or use a fallback hardcoded value if that fails
*
* @param gui GuiRecipe object
* @return Integer value of the guiTop field of that object
*/
public static int getGuiTop(GuiRecipe gui) {
if (guiTopField != null) {
try {
return (int) guiTopField.get(gui);
} catch (IllegalAccessException e) {
// Fail silently, hoping that it it fails it will be during initialization
}
}
// Fallback should work unless codechicken.nei.recipe.GuiRecipe implementation changes
int height = Minecraft.getMinecraft().currentScreen.height;
int ySize = Math.min(Math.max(height - 68, 166), 370);
return (height - ySize) / 2 + 10;
}
/**
* Initialize the GuiRecipe Field accessors through reflection
*/
public GuiRecipeHelper() {
Class<GuiRecipe> guiRecipeClass = GuiRecipe.class;
try {
guiLeftField = guiRecipeClass.getField("guiLeft");
guiLeftField.setAccessible(true);
guiTopField = guiRecipeClass.getField("guiTop");
guiTopField.setAccessible(true);
xSizeField = guiRecipeClass.getField("xSize");
xSizeField.setAccessible(true);
} catch (NoSuchFieldException | SecurityException e) {
FMLLog.log(Level.ERROR, INIT_ERROR + e.getMessage());
}
}
}
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