001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import java.io.ByteArrayOutputStream; 006 import java.io.DataOutputStream; 007 import org.lwjgl.opengl.GL11; 008 import org.lwjgl.opengl.GL12; 009 010 @SideOnly(Side.CLIENT) 011 public class GuiMerchant extends GuiContainer 012 { 013 /** Instance of IMerchant interface. */ 014 private IMerchant theIMerchant; 015 private GuiButtonMerchant nextRecipeButtonIndex; 016 private GuiButtonMerchant previousRecipeButtonIndex; 017 private int currentRecipeIndex = 0; 018 019 public GuiMerchant(InventoryPlayer par1InventoryPlayer, IMerchant par2IMerchant, World par3World) 020 { 021 super(new ContainerMerchant(par1InventoryPlayer, par2IMerchant, par3World)); 022 this.theIMerchant = par2IMerchant; 023 } 024 025 /** 026 * Adds the buttons (and other controls) to the screen in question. 027 */ 028 public void initGui() 029 { 030 super.initGui(); 031 int var1 = (this.width - this.xSize) / 2; 032 int var2 = (this.height - this.ySize) / 2; 033 this.controlList.add(this.nextRecipeButtonIndex = new GuiButtonMerchant(1, var1 + 120 + 27, var2 + 24 - 1, true)); 034 this.controlList.add(this.previousRecipeButtonIndex = new GuiButtonMerchant(2, var1 + 36 - 19, var2 + 24 - 1, false)); 035 this.nextRecipeButtonIndex.enabled = false; 036 this.previousRecipeButtonIndex.enabled = false; 037 } 038 039 /** 040 * Draw the foreground layer for the GuiContainer (everything in front of the items) 041 */ 042 protected void drawGuiContainerForegroundLayer(int par1, int par2) 043 { 044 this.fontRenderer.drawString(StatCollector.translateToLocal("entity.Villager.name"), 56, 6, 4210752); 045 this.fontRenderer.drawString(StatCollector.translateToLocal("container.inventory"), 8, this.ySize - 96 + 2, 4210752); 046 } 047 048 /** 049 * Called from the main game loop to update the screen. 050 */ 051 public void updateScreen() 052 { 053 super.updateScreen(); 054 MerchantRecipeList var1 = this.theIMerchant.getRecipes(this.mc.thePlayer); 055 056 if (var1 != null) 057 { 058 this.nextRecipeButtonIndex.enabled = this.currentRecipeIndex < var1.size() - 1; 059 this.previousRecipeButtonIndex.enabled = this.currentRecipeIndex > 0; 060 } 061 } 062 063 /** 064 * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e). 065 */ 066 protected void actionPerformed(GuiButton par1GuiButton) 067 { 068 boolean var2 = false; 069 070 if (par1GuiButton == this.nextRecipeButtonIndex) 071 { 072 ++this.currentRecipeIndex; 073 var2 = true; 074 } 075 else if (par1GuiButton == this.previousRecipeButtonIndex) 076 { 077 --this.currentRecipeIndex; 078 var2 = true; 079 } 080 081 if (var2) 082 { 083 ((ContainerMerchant)this.inventorySlots).setCurrentRecipeIndex(this.currentRecipeIndex); 084 ByteArrayOutputStream var3 = new ByteArrayOutputStream(); 085 DataOutputStream var4 = new DataOutputStream(var3); 086 087 try 088 { 089 var4.writeInt(this.currentRecipeIndex); 090 this.mc.getSendQueue().addToSendQueue(new Packet250CustomPayload("MC|TrSel", var3.toByteArray())); 091 } 092 catch (Exception var6) 093 { 094 var6.printStackTrace(); 095 } 096 } 097 } 098 099 /** 100 * Draw the background layer for the GuiContainer (everything behind the items) 101 */ 102 protected void drawGuiContainerBackgroundLayer(float par1, int par2, int par3) 103 { 104 int var4 = this.mc.renderEngine.getTexture("/gui/trading.png"); 105 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 106 this.mc.renderEngine.bindTexture(var4); 107 int var5 = (this.width - this.xSize) / 2; 108 int var6 = (this.height - this.ySize) / 2; 109 this.drawTexturedModalRect(var5, var6, 0, 0, this.xSize, this.ySize); 110 } 111 112 /** 113 * Draws the screen and all the components in it. 114 */ 115 public void drawScreen(int par1, int par2, float par3) 116 { 117 super.drawScreen(par1, par2, par3); 118 MerchantRecipeList var4 = this.theIMerchant.getRecipes(this.mc.thePlayer); 119 120 if (var4 != null && !var4.isEmpty()) 121 { 122 int var5 = (this.width - this.xSize) / 2; 123 int var6 = (this.height - this.ySize) / 2; 124 int var7 = this.currentRecipeIndex; 125 MerchantRecipe var8 = (MerchantRecipe)var4.get(var7); 126 127 if (var8.func_82784_g()) 128 { 129 GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/gui/trading.png")); 130 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 131 GL11.glDisable(GL11.GL_LIGHTING); 132 this.drawTexturedModalRect(this.guiLeft + 83, this.guiTop + 21, 212, 0, 28, 21); 133 this.drawTexturedModalRect(this.guiLeft + 83, this.guiTop + 51, 212, 0, 28, 21); 134 } 135 136 GL11.glPushMatrix(); 137 ItemStack var9 = var8.getItemToBuy(); 138 ItemStack var10 = var8.getSecondItemToBuy(); 139 ItemStack var11 = var8.getItemToSell(); 140 RenderHelper.enableGUIStandardItemLighting(); 141 GL11.glDisable(GL11.GL_LIGHTING); 142 GL11.glEnable(GL12.GL_RESCALE_NORMAL); 143 GL11.glEnable(GL11.GL_COLOR_MATERIAL); 144 GL11.glEnable(GL11.GL_LIGHTING); 145 itemRenderer.zLevel = 100.0F; 146 itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, var9, var5 + 36, var6 + 24); 147 itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var9, var5 + 36, var6 + 24); 148 149 if (var10 != null) 150 { 151 itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, var10, var5 + 62, var6 + 24); 152 itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var10, var5 + 62, var6 + 24); 153 } 154 155 itemRenderer.renderItemAndEffectIntoGUI(this.fontRenderer, this.mc.renderEngine, var11, var5 + 120, var6 + 24); 156 itemRenderer.renderItemOverlayIntoGUI(this.fontRenderer, this.mc.renderEngine, var11, var5 + 120, var6 + 24); 157 itemRenderer.zLevel = 0.0F; 158 GL11.glDisable(GL11.GL_LIGHTING); 159 160 if (this.func_74188_c(36, 24, 16, 16, par1, par2)) 161 { 162 this.func_74184_a(var9, par1, par2); 163 } 164 else if (var10 != null && this.func_74188_c(62, 24, 16, 16, par1, par2)) 165 { 166 this.func_74184_a(var10, par1, par2); 167 } 168 else if (this.func_74188_c(120, 24, 16, 16, par1, par2)) 169 { 170 this.func_74184_a(var11, par1, par2); 171 } 172 173 GL11.glPopMatrix(); 174 GL11.glEnable(GL11.GL_LIGHTING); 175 GL11.glEnable(GL11.GL_DEPTH_TEST); 176 RenderHelper.enableStandardItemLighting(); 177 } 178 } 179 180 /** 181 * Gets the Instance of IMerchant interface. 182 */ 183 public IMerchant getIMerchant() 184 { 185 return this.theIMerchant; 186 } 187 }