Java tutorial
/** * This class was created by <Vazkii>. It's distributed as * part of the Botania Mod. Get the Source Code in github: * https://github.com/Vazkii/Botania * * Botania is Open Source and distributed under a * Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License * (http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB) * * File Created @ [Jan 19, 2014, 4:58:19 PM (GMT)] */ package dracocore.handbook.pages; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import net.minecraft.block.Block; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.renderer.texture.TextureManager; import net.minecraft.item.Item; import net.minecraft.item.ItemStack; import net.minecraft.item.crafting.IRecipe; import net.minecraft.item.crafting.ShapedRecipes; import net.minecraft.item.crafting.ShapelessRecipes; import net.minecraft.util.ResourceLocation; import net.minecraft.util.StatCollector; import net.minecraftforge.oredict.ShapedOreRecipe; import net.minecraftforge.oredict.ShapelessOreRecipe; import org.lwjgl.opengl.GL11; import cpw.mods.fml.relauncher.ReflectionHelper; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import dracocore.handbook.core.LexiconEntry; import dracocore.handbook.core.LexiconRecipeMappings; import dracocore.handbook.core.LibResources; import dracocore.handbook.gui.IGuiLexiconEntry; import dracocore.handbook.helpers.VazkiiRenderHelper; public class PageCraftingRecipe extends PageRecipe { private static final ResourceLocation craftingOverlay = new ResourceLocation(LibResources.GUI_CRAFTING_OVERLAY); List<IRecipe> recipes; int ticksElapsed = 0; int recipeAt = 0; boolean oreDictRecipe, shapelessRecipe; public PageCraftingRecipe(String unlocalizedName, List<IRecipe> recipes) { super(unlocalizedName); this.recipes = recipes; } public PageCraftingRecipe(String unlocalizedName, IRecipe recipe) { this(unlocalizedName, Arrays.asList(recipe)); } @Override public void onPageAdded(LexiconEntry entry, int index) { for (IRecipe recipe : recipes) LexiconRecipeMappings.map(recipe.getRecipeOutput(), entry, index); } @Override @SideOnly(Side.CLIENT) public void renderRecipe(IGuiLexiconEntry gui, int mx, int my) { oreDictRecipe = shapelessRecipe = false; IRecipe recipe = recipes.get(recipeAt); renderCraftingRecipe(gui, recipe); TextureManager render = Minecraft.getMinecraft().renderEngine; render.bindTexture(craftingOverlay); GL11.glEnable(GL11.GL_BLEND); GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); GL11.glColor4f(1F, 1F, 1F, 1F); ((GuiScreen) gui).drawTexturedModalRect(gui.getLeft(), gui.getTop(), 0, 0, gui.getWidth(), gui.getHeight()); int iconX = gui.getLeft() + 115; int iconY = gui.getTop() + 12; GL11.glEnable(GL11.GL_BLEND); GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); if (shapelessRecipe) { ((GuiScreen) gui).drawTexturedModalRect(iconX, iconY, 240, 0, 16, 16); if (mx >= iconX && my >= iconY && mx < iconX + 16 && my < iconY + 16) VazkiiRenderHelper.renderTooltip(mx, my, Arrays.asList(StatCollector.translateToLocal("dracocoremisc.shapeless"))); iconY += 20; } render.bindTexture(craftingOverlay); GL11.glEnable(GL11.GL_BLEND); if (oreDictRecipe) { ((GuiScreen) gui).drawTexturedModalRect(iconX, iconY, 240, 16, 16, 16); if (mx >= iconX && my >= iconY && mx < iconX + 16 && my < iconY + 16) VazkiiRenderHelper.renderTooltip(mx, my, Arrays.asList(StatCollector.translateToLocal("dracocoremisc.oredict"))); } GL11.glDisable(GL11.GL_BLEND); } @Override @SideOnly(Side.CLIENT) public void updateScreen() { if (ticksElapsed % 20 == 0) { recipeAt++; if (recipeAt == recipes.size()) recipeAt = 0; } ++ticksElapsed; } @SideOnly(Side.CLIENT) public void renderCraftingRecipe(IGuiLexiconEntry gui, IRecipe recipe) { if (recipe instanceof ShapedRecipes) { ShapedRecipes shaped = (ShapedRecipes) recipe; for (int y = 0; y < shaped.recipeHeight; y++) for (int x = 0; x < shaped.recipeWidth; x++) renderItemAtGridPos(gui, 1 + x, 1 + y, shaped.recipeItems[y * shaped.recipeWidth + x], true); } else if (recipe instanceof ShapedOreRecipe) { ShapedOreRecipe shaped = (ShapedOreRecipe) recipe; int width = (Integer) ReflectionHelper.getPrivateValue(ShapedOreRecipe.class, shaped, 4); int height = (Integer) ReflectionHelper.getPrivateValue(ShapedOreRecipe.class, shaped, 5); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { Object input = shaped.getInput()[y * width + x]; if (input != null) renderItemAtGridPos(gui, 1 + x, 1 + y, input instanceof ItemStack ? (ItemStack) input : ((ArrayList<ItemStack>) input).get(0), true); } oreDictRecipe = true; } else if (recipe instanceof ShapelessRecipes) { ShapelessRecipes shapeless = (ShapelessRecipes) recipe; drawGrid: { for (int y = 0; y < 3; y++) for (int x = 0; x < 3; x++) { int index = y * 3 + x; if (index >= shapeless.recipeItems.size()) break drawGrid; renderItemAtGridPos(gui, 1 + x, 1 + y, (ItemStack) shapeless.recipeItems.get(index), true); } } shapelessRecipe = true; } else if (recipe instanceof ShapelessOreRecipe) { ShapelessOreRecipe shapeless = (ShapelessOreRecipe) recipe; drawGrid: { for (int y = 0; y < 3; y++) for (int x = 0; x < 3; x++) { int index = y * 3 + x; if (index >= shapeless.getRecipeSize()) break drawGrid; Object input = shapeless.getInput().get(index); if (input != null) renderItemAtGridPos(gui, 1 + x, 1 + y, input instanceof ItemStack ? (ItemStack) input : ((ArrayList<ItemStack>) input).get(0), true); } } shapelessRecipe = true; oreDictRecipe = true; } renderItemAtGridPos(gui, 2, 0, recipe.getRecipeOutput(), false); } }