package net.minecraft.client.gui; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import net.minecraft.client.gui.inventory.GuiContainer; import net.minecraft.client.renderer.RenderHelper; import net.minecraft.entity.IMerchant; import net.minecraft.entity.player.InventoryPlayer; import net.minecraft.inventory.ContainerMerchant; import net.minecraft.item.ItemStack; import net.minecraft.network.packet.Packet250CustomPayload; import net.minecraft.util.StatCollector; import net.minecraft.village.MerchantRecipe; import net.minecraft.village.MerchantRecipeList; import net.minecraft.world.World; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; @SideOnly(Side.CLIENT) public class GuiMerchant extends GuiContainer { /** Instance of IMerchant interface. */ private IMerchant theIMerchant; private GuiButtonMerchant nextRecipeButtonIndex; private GuiButtonMerchant previousRecipeButtonIndex; private int currentRecipeIndex = 0; private String field_94082_v; public GuiMerchant(InventoryPlayer par1, IMerchant par2, World par3World, String par4) { super(new ContainerMerchant(par1, par2, par3World)); this.theIMerchant = par2; this.field_94082_v = par4 != null && par4.length() >= 1 ? par4 : StatCollector.translateToLocal("entity.Villager.name"); } /** * Adds the buttons (and other controls) to the screen in question. */ public void initGui() { super.initGui(); int i = (this.width - this.xSize) / 2; int j = (this.height - this.ySize) / 2; this.buttonList.add(this.nextRecipeButtonIndex = new GuiButtonMerchant(1, i + 120 + 27, j + 24 - 1, true)); this.buttonList.add(this.previousRecipeButtonIndex = new GuiButtonMerchant(2, i + 36 - 19, j + 24 - 1, false)); this.nextRecipeButtonIndex.enabled = false; this.previousRecipeButtonIndex.enabled = false; } /** * Draw the foreground layer for the GuiContainer (everything in front of the items) */ protected void drawGuiContainerForegroundLayer(int par1, int par2) { this.fontRenderer.drawString(this.field_94082_v, this.xSize / 2 - this.fontRenderer.getStringWidth(this.field_94082_v) / 2, 6, 4210752); this.fontRenderer.drawString(StatCollector.translateToLocal("container.inventory"), 8, this.ySize - 96 + 2, 4210752); } /** * Called from the main game loop to update the screen. */ public void updateScreen() { super.updateScreen(); MerchantRecipeList merchantrecipelist = this.theIMerchant.getRecipes(this.mc.thePlayer); if (merchantrecipelist != null) { this.nextRecipeButtonIndex.enabled = this.currentRecipeIndex < merchantrecipelist.size() - 1; this.previousRecipeButtonIndex.enabled = this.currentRecipeIndex > 0; } } /** * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e). */ protected void actionPerformed(GuiButton par1GuiButton) { boolean flag = false; if (par1GuiButton == this.nextRecipeButtonIndex) { ++this.currentRecipeIndex; flag = true; } else if (par1GuiButton == this.previousRecipeButtonIndex) { --this.currentRecipeIndex; flag = true; } if (flag) { ((ContainerMerchant)this.inventorySlots).setCurrentRecipeIndex(this.currentRecipeIndex); ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream(); DataOutputStream dataoutputstream = new DataOutputStream(bytearrayoutputstream); try { dataoutputstream.writeInt(this.currentRecipeIndex); this.mc.getNetHandler().addToSendQueue(new Packet250CustomPayload("MC|TrSel", bytearrayoutputstream.toByteArray())); } catch (Exception exception) { exception.printStackTrace(); } } } /** * Draw the background layer for the GuiContainer (everything behind the items) */ protected void drawGuiContainerBackgroundLayer(float par1, int par2, int par3) { GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); this.mc.renderEngine.bindTexture("/gui/trading.png"); int k = (this.width - this.xSize) / 2; int l = (this.height - this.ySize) / 2; this.drawTexturedModalRect(k, l, 0, 0, this.xSize, this.ySize); MerchantRecipeList merchantrecipelist = this.theIMerchant.getRecipes(this.mc.thePlayer); if (merchantrecipelist != null && !merchantrecipelist.isEmpty()) { int i1 = this.currentRecipeIndex; MerchantRecipe merchantrecipe = (MerchantRecipe)merchantrecipelist.get(i1); if (merchantrecipe.func_82784_g()) { this.mc.renderEngine.bindTexture("/gui/trading.png"); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); GL11.glDisable(GL11.GL_LIGHTING); this.drawTexturedModalRect(this.guiLeft + 83, this.guiTop + 21, 212, 0, 28, 21); this.drawTexturedModalRect(this.guiLeft + 83, this.guiTop + 51, 212, 0, 28, 21); } } } /** * Draws the screen and all the components in it. */ public void drawScreen(int par1, int par2, float par3) { super.drawScreen(par1, par2, par3); MerchantRecipeList merchantrecipelist = this.theIMerchant.getRecipes(this.mc.thePlayer); if (merchantrecipelist != null && !merchantrecipelist.isEmpty()) { int k = (this.width - this.xSize) / 2; int l = (this.height - this.ySize) / 2; int i1 = this.currentRecipeIndex; MerchantRecipe merchantrecipe = (MerchantRecipe)merchantrecipelist.get(i1); GL11.glPushMatrix(); ItemStack itemstack = merchantrecipe.getItemToBuy(); ItemStack itemstack1 = merchantrecipe.getSecondItemToBuy(); ItemStack itemstack2 = merchantrecipe.getItemToSell(); RenderHelper.enableGUIStandardItemLighting(); GL11.glDisable(GL11.GL_LIGHTING); GL11.glEnable(GL12.GL_RESCALE_NORMAL); GL11.glEnable(GL11.GL_COLOR_MATERIAL); GL11.glEnable(GL11.GL_LIGHTING); itemRenderer.zLevel = 100.0F; itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack, k + 36, l + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack, k + 36, l + 24); if (itemstack1 != null) { itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack1, k + 62, l + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack1, k + 62, l + 24); } itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack2, k + 120, l + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, itemstack2, k + 120, l + 24); itemRenderer.zLevel = 0.0F; GL11.glDisable(GL11.GL_LIGHTING); if (this.isPointInRegion(36, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(itemstack, par1, par2); } else if (itemstack1 != null && this.isPointInRegion(62, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(itemstack1, par1, par2); } else if (this.isPointInRegion(120, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(itemstack2, par1, par2); } GL11.glPopMatrix(); GL11.glEnable(GL11.GL_LIGHTING); GL11.glEnable(GL11.GL_DEPTH_TEST); RenderHelper.enableStandardItemLighting(); } } /** * Gets the Instance of IMerchant interface. */ public IMerchant getIMerchant() { return this.theIMerchant; } }