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; public GuiMerchant(InventoryPlayer par1InventoryPlayer, IMerchant par2IMerchant, World par3World) { super(new ContainerMerchant(par1InventoryPlayer, par2IMerchant, par3World)); this.theIMerchant = par2IMerchant; } /** * Adds the buttons (and other controls) to the screen in question. */ public void initGui() { super.initGui(); int var1 = (this.width - this.xSize) / 2; int var2 = (this.height - this.ySize) / 2; this.controlList.add(this.nextRecipeButtonIndex = new GuiButtonMerchant(1, var1 + 120 + 27, var2 + 24 - 1, true)); this.controlList.add(this.previousRecipeButtonIndex = new GuiButtonMerchant(2, var1 + 36 - 19, var2 + 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(StatCollector.translateToLocal("entity.Villager.name"), 56, 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 var1 = this.theIMerchant.getRecipes(this.mc.thePlayer); if (var1 != null) { this.nextRecipeButtonIndex.enabled = this.currentRecipeIndex < var1.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 var2 = false; if (par1GuiButton == this.nextRecipeButtonIndex) { ++this.currentRecipeIndex; var2 = true; } else if (par1GuiButton == this.previousRecipeButtonIndex) { --this.currentRecipeIndex; var2 = true; } if (var2) { ((ContainerMerchant)this.inventorySlots).setCurrentRecipeIndex(this.currentRecipeIndex); ByteArrayOutputStream var3 = new ByteArrayOutputStream(); DataOutputStream var4 = new DataOutputStream(var3); try { var4.writeInt(this.currentRecipeIndex); this.mc.getSendQueue().addToSendQueue(new Packet250CustomPayload("MC|TrSel", var3.toByteArray())); } catch (Exception var6) { var6.printStackTrace(); } } } /** * Draw the background layer for the GuiContainer (everything behind the items) */ protected void drawGuiContainerBackgroundLayer(float par1, int par2, int par3) { int var4 = this.mc.renderEngine.getTexture("/gui/trading.png"); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); this.mc.renderEngine.bindTexture(var4); int var5 = (this.width - this.xSize) / 2; int var6 = (this.height - this.ySize) / 2; this.drawTexturedModalRect(var5, var6, 0, 0, this.xSize, this.ySize); MerchantRecipeList var7 = this.theIMerchant.getRecipes(this.mc.thePlayer); if (var7 != null && !var7.isEmpty()) { int var8 = this.currentRecipeIndex; MerchantRecipe var9 = (MerchantRecipe)var7.get(var8); if (var9.func_82784_g()) { GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/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 var4 = this.theIMerchant.getRecipes(this.mc.thePlayer); if (var4 != null && !var4.isEmpty()) { int var5 = (this.width - this.xSize) / 2; int var6 = (this.height - this.ySize) / 2; int var7 = this.currentRecipeIndex; MerchantRecipe var8 = (MerchantRecipe)var4.get(var7); GL11.glPushMatrix(); ItemStack var9 = var8.getItemToBuy(); ItemStack var10 = var8.getSecondItemToBuy(); ItemStack var11 = var8.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, var9, var5 + 36, var6 + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var9, var5 + 36, var6 + 24); if (var10 != null) { itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, var10, var5 + 62, var6 + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var10, var5 + 62, var6 + 24); } itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, var11, var5 + 120, var6 + 24); itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var11, var5 + 120, var6 + 24); itemRenderer.zLevel = 0.0F; GL11.glDisable(GL11.GL_LIGHTING); if (this.isPointInRegion(36, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(var9, par1, par2); } else if (var10 != null && this.isPointInRegion(62, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(var10, par1, par2); } else if (this.isPointInRegion(120, 24, 16, 16, par1, par2)) { this.drawItemStackTooltip(var11, 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; } }