package net.minecraft.client.gui.inventory; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.HashSet; import java.util.Iterator; import java.util.Set; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.FontRenderer; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.renderer.OpenGlHelper; import net.minecraft.client.renderer.RenderHelper; import net.minecraft.client.renderer.texture.TextureMap; import net.minecraft.entity.player.InventoryPlayer; import net.minecraft.inventory.Container; import net.minecraft.inventory.Slot; import net.minecraft.item.ItemStack; import net.minecraft.util.EnumChatFormatting; import net.minecraft.util.IIcon; import net.minecraft.util.MathHelper; import net.minecraft.util.ResourceLocation; import org.lwjgl.input.Keyboard; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; @SideOnly(Side.CLIENT) public abstract class GuiContainer extends GuiScreen { /** The location of the inventory background texture */ protected static final ResourceLocation inventoryBackground = new ResourceLocation("textures/gui/container/inventory.png"); /** The X size of the inventory window in pixels. */ protected int xSize = 176; /** The Y size of the inventory window in pixels. */ protected int ySize = 166; /** A list of the players inventory slots */ public Container inventorySlots; /** Starting X position for the Gui. Inconsistent use for Gui backgrounds. */ protected int guiLeft; /** Starting Y position for the Gui. Inconsistent use for Gui backgrounds. */ protected int guiTop; /** holds the slot currently hovered */ private Slot theSlot; /** Used when touchscreen is enabled. */ private Slot clickedSlot; /** Used when touchscreen is enabled. */ private boolean isRightMouseClick; /** Used when touchscreen is enabled */ private ItemStack draggedStack; private int touchUpX; private int touchUpY; private Slot returningStackDestSlot; private long returningStackTime; /** Used when touchscreen is enabled */ private ItemStack returningStack; private Slot currentDragTargetSlot; private long dragItemDropDelay; protected final Set dragSplittingSlots = new HashSet(); protected boolean dragSplitting; private int dragSplittingLimit; private int dragSplittingButton; private boolean ignoreMouseUp; private int dragSplittingRemnant; private long lastClickTime; private Slot lastClickSlot; private int lastClickButton; private boolean doubleClick; private ItemStack shiftClickedSlot; private static final String __OBFID = "CL_00000737"; public GuiContainer(Container p_i1072_1_) { this.inventorySlots = p_i1072_1_; this.ignoreMouseUp = true; } /** * Adds the buttons (and other controls) to the screen in question. */ public void initGui() { super.initGui(); this.mc.thePlayer.openContainer = this.inventorySlots; this.guiLeft = (this.width - this.xSize) / 2; this.guiTop = (this.height - this.ySize) / 2; } /** * Draws the screen and all the components in it. Args : mouseX, mouseY, renderPartialTicks */ public void drawScreen(int mouseX, int mouseY, float partialTicks) { this.drawDefaultBackground(); int k = this.guiLeft; int l = this.guiTop; this.drawGuiContainerBackgroundLayer(partialTicks, mouseX, mouseY); GL11.glDisable(GL12.GL_RESCALE_NORMAL); RenderHelper.disableStandardItemLighting(); GL11.glDisable(GL11.GL_LIGHTING); GL11.glDisable(GL11.GL_DEPTH_TEST); super.drawScreen(mouseX, mouseY, partialTicks); RenderHelper.enableGUIStandardItemLighting(); GL11.glPushMatrix(); GL11.glTranslatef((float)k, (float)l, 0.0F); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); GL11.glEnable(GL12.GL_RESCALE_NORMAL); this.theSlot = null; short short1 = 240; short short2 = 240; OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)short1 / 1.0F, (float)short2 / 1.0F); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); int k1; for (int i1 = 0; i1 < this.inventorySlots.inventorySlots.size(); ++i1) { Slot slot = (Slot)this.inventorySlots.inventorySlots.get(i1); this.drawSlot(slot); if (this.isMouseOverSlot(slot, mouseX, mouseY) && slot.canBeHovered()) { this.theSlot = slot; GL11.glDisable(GL11.GL_LIGHTING); GL11.glDisable(GL11.GL_DEPTH_TEST); int j1 = slot.xDisplayPosition; k1 = slot.yDisplayPosition; GL11.glColorMask(true, true, true, false); this.drawGradientRect(j1, k1, j1 + 16, k1 + 16, -2130706433, -2130706433); GL11.glColorMask(true, true, true, true); GL11.glEnable(GL11.GL_LIGHTING); GL11.glEnable(GL11.GL_DEPTH_TEST); } } //Forge: Force lighting to be disabled as there are some issue where lighting would //incorrectly be applied based on items that are in the inventory. GL11.glDisable(GL11.GL_LIGHTING); this.drawGuiContainerForegroundLayer(mouseX, mouseY); GL11.glEnable(GL11.GL_LIGHTING); InventoryPlayer inventoryplayer = this.mc.thePlayer.inventory; ItemStack itemstack = this.draggedStack == null ? inventoryplayer.getItemStack() : this.draggedStack; if (itemstack != null) { byte b0 = 8; k1 = this.draggedStack == null ? 8 : 16; String s = null; if (this.draggedStack != null && this.isRightMouseClick) { itemstack = itemstack.copy(); itemstack.stackSize = MathHelper.ceiling_float_int((float)itemstack.stackSize / 2.0F); } else if (this.dragSplitting && this.dragSplittingSlots.size() > 1) { itemstack = itemstack.copy(); itemstack.stackSize = this.dragSplittingRemnant; if (itemstack.stackSize == 0) { s = "" + EnumChatFormatting.YELLOW + "0"; } } this.drawItemStack(itemstack, mouseX - k - b0, mouseY - l - k1, s); } if (this.returningStack != null) { float f1 = (float)(Minecraft.getSystemTime() - this.returningStackTime) / 100.0F; if (f1 >= 1.0F) { f1 = 1.0F; this.returningStack = null; } k1 = this.returningStackDestSlot.xDisplayPosition - this.touchUpX; int j2 = this.returningStackDestSlot.yDisplayPosition - this.touchUpY; int l1 = this.touchUpX + (int)((float)k1 * f1); int i2 = this.touchUpY + (int)((float)j2 * f1); this.drawItemStack(this.returningStack, l1, i2, (String)null); } GL11.glPopMatrix(); if (inventoryplayer.getItemStack() == null && this.theSlot != null && this.theSlot.getHasStack()) { ItemStack itemstack1 = this.theSlot.getStack(); this.renderToolTip(itemstack1, mouseX, mouseY); } GL11.glEnable(GL11.GL_LIGHTING); GL11.glEnable(GL11.GL_DEPTH_TEST); RenderHelper.enableStandardItemLighting(); } /** * Render an ItemStack. Args : stack, x, y, format * * @param altText Should be null to display item stack size count, but can be set to show custom text where the * stack size counter would be. */ private void drawItemStack(ItemStack stack, int x, int y, String altText) { GL11.glTranslatef(0.0F, 0.0F, 32.0F); this.zLevel = 200.0F; itemRender.zLevel = 200.0F; FontRenderer font = null; if (stack != null) font = stack.getItem().getFontRenderer(stack); if (font == null) font = fontRendererObj; itemRender.renderItemAndEffectIntoGUI(font, this.mc.getTextureManager(), stack, x, y); itemRender.renderItemOverlayIntoGUI(font, this.mc.getTextureManager(), stack, x, y - (this.draggedStack == null ? 0 : 8), altText); this.zLevel = 0.0F; itemRender.zLevel = 0.0F; } /** * Draw the foreground layer for the GuiContainer (everything in front of the items). Args : mouseX, mouseY */ protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY) {} /** * Args : renderPartialTicks, mouseX, mouseY */ protected abstract void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY); private void drawSlot(Slot slotIn) { int i = slotIn.xDisplayPosition; int j = slotIn.yDisplayPosition; ItemStack itemstack = slotIn.getStack(); boolean flag = false; boolean flag1 = slotIn == this.clickedSlot && this.draggedStack != null && !this.isRightMouseClick; ItemStack itemstack1 = this.mc.thePlayer.inventory.getItemStack(); String s = null; if (slotIn == this.clickedSlot && this.draggedStack != null && this.isRightMouseClick && itemstack != null) { itemstack = itemstack.copy(); itemstack.stackSize /= 2; } else if (this.dragSplitting && this.dragSplittingSlots.contains(slotIn) && itemstack1 != null) { if (this.dragSplittingSlots.size() == 1) { return; } if (Container.canAddItemToSlot(slotIn, itemstack1, true) && this.inventorySlots.canDragIntoSlot(slotIn)) { itemstack = itemstack1.copy(); flag = true; Container.computeStackSize(this.dragSplittingSlots, this.dragSplittingLimit, itemstack, slotIn.getStack() == null ? 0 : slotIn.getStack().stackSize); if (itemstack.stackSize > itemstack.getMaxStackSize()) { s = EnumChatFormatting.YELLOW + "" + itemstack.getMaxStackSize(); itemstack.stackSize = itemstack.getMaxStackSize(); } if (itemstack.stackSize > slotIn.getSlotStackLimit()) { s = EnumChatFormatting.YELLOW + "" + slotIn.getSlotStackLimit(); itemstack.stackSize = slotIn.getSlotStackLimit(); } } else { this.dragSplittingSlots.remove(slotIn); this.updateDragSplitting(); } } this.zLevel = 100.0F; itemRender.zLevel = 100.0F; if (itemstack == null) { IIcon iicon = slotIn.getBackgroundIconIndex(); if (iicon != null) { GL11.glDisable(GL11.GL_LIGHTING); GL11.glEnable(GL11.GL_BLEND); // Forge: Blending needs to be enabled for this. this.mc.getTextureManager().bindTexture(TextureMap.locationItemsTexture); this.drawTexturedModelRectFromIcon(i, j, iicon, 16, 16); GL11.glDisable(GL11.GL_BLEND); // Forge: And clean that up GL11.glEnable(GL11.GL_LIGHTING); flag1 = true; } } if (!flag1) { if (flag) { drawRect(i, j, i + 16, j + 16, -2130706433); } GL11.glEnable(GL11.GL_DEPTH_TEST); itemRender.renderItemAndEffectIntoGUI(this.fontRendererObj, this.mc.getTextureManager(), itemstack, i, j); itemRender.renderItemOverlayIntoGUI(this.fontRendererObj, this.mc.getTextureManager(), itemstack, i, j, s); } itemRender.zLevel = 0.0F; this.zLevel = 0.0F; } private void updateDragSplitting() { ItemStack itemstack = this.mc.thePlayer.inventory.getItemStack(); if (itemstack != null && this.dragSplitting) { this.dragSplittingRemnant = itemstack.stackSize; ItemStack itemstack1; int i; for (Iterator iterator = this.dragSplittingSlots.iterator(); iterator.hasNext(); this.dragSplittingRemnant -= itemstack1.stackSize - i) { Slot slot = (Slot)iterator.next(); itemstack1 = itemstack.copy(); i = slot.getStack() == null ? 0 : slot.getStack().stackSize; Container.computeStackSize(this.dragSplittingSlots, this.dragSplittingLimit, itemstack1, i); if (itemstack1.stackSize > itemstack1.getMaxStackSize()) { itemstack1.stackSize = itemstack1.getMaxStackSize(); } if (itemstack1.stackSize > slot.getSlotStackLimit()) { itemstack1.stackSize = slot.getSlotStackLimit(); } } } } /** * Returns the slot at the given coordinates or null if there is none. */ private Slot getSlotAtPosition(int x, int y) { for (int k = 0; k < this.inventorySlots.inventorySlots.size(); ++k) { Slot slot = (Slot)this.inventorySlots.inventorySlots.get(k); if (this.isMouseOverSlot(slot, x, y)) { return slot; } } return null; } /** * Called when the mouse is clicked. Args : mouseX, mouseY, clickedButton */ protected void mouseClicked(int mouseX, int mouseY, int mouseButton) { super.mouseClicked(mouseX, mouseY, mouseButton); boolean flag = mouseButton == this.mc.gameSettings.keyBindPickBlock.getKeyCode() + 100; Slot slot = this.getSlotAtPosition(mouseX, mouseY); long l = Minecraft.getSystemTime(); this.doubleClick = this.lastClickSlot == slot && l - this.lastClickTime < 250L && this.lastClickButton == mouseButton; this.ignoreMouseUp = false; if (mouseButton == 0 || mouseButton == 1 || flag) { int i1 = this.guiLeft; int j1 = this.guiTop; boolean flag1 = mouseX < i1 || mouseY < j1 || mouseX >= i1 + this.xSize || mouseY >= j1 + this.ySize; int k1 = -1; if (slot != null) { k1 = slot.slotNumber; } if (flag1) { k1 = -999; } if (this.mc.gameSettings.touchscreen && flag1 && this.mc.thePlayer.inventory.getItemStack() == null) { this.mc.displayGuiScreen((GuiScreen)null); return; } if (k1 != -1) { if (this.mc.gameSettings.touchscreen) { if (slot != null && slot.getHasStack()) { this.clickedSlot = slot; this.draggedStack = null; this.isRightMouseClick = mouseButton == 1; } else { this.clickedSlot = null; } } else if (!this.dragSplitting) { if (this.mc.thePlayer.inventory.getItemStack() == null) { if (mouseButton == this.mc.gameSettings.keyBindPickBlock.getKeyCode() + 100) { this.handleMouseClick(slot, k1, mouseButton, 3); } else { boolean flag2 = k1 != -999 && (Keyboard.isKeyDown(42) || Keyboard.isKeyDown(54)); byte b0 = 0; if (flag2) { this.shiftClickedSlot = slot != null && slot.getHasStack() ? slot.getStack() : null; b0 = 1; } else if (k1 == -999) { b0 = 4; } this.handleMouseClick(slot, k1, mouseButton, b0); } this.ignoreMouseUp = true; } else { this.dragSplitting = true; this.dragSplittingButton = mouseButton; this.dragSplittingSlots.clear(); if (mouseButton == 0) { this.dragSplittingLimit = 0; } else if (mouseButton == 1) { this.dragSplittingLimit = 1; } } } } } this.lastClickSlot = slot; this.lastClickTime = l; this.lastClickButton = mouseButton; } /** * Called when a mouse button is pressed and the mouse is moved around. Parameters are : mouseX, mouseY, * lastButtonClicked & timeSinceMouseClick. */ protected void mouseClickMove(int mouseX, int mouseY, int clickedMouseButton, long timeSinceLastClick) { Slot slot = this.getSlotAtPosition(mouseX, mouseY); ItemStack itemstack = this.mc.thePlayer.inventory.getItemStack(); if (this.clickedSlot != null && this.mc.gameSettings.touchscreen) { if (clickedMouseButton == 0 || clickedMouseButton == 1) { if (this.draggedStack == null) { if (slot != this.clickedSlot) { this.draggedStack = this.clickedSlot.getStack().copy(); } } else if (this.draggedStack.stackSize > 1 && slot != null && Container.canAddItemToSlot(slot, this.draggedStack, false)) { long i1 = Minecraft.getSystemTime(); if (this.currentDragTargetSlot == slot) { if (i1 - this.dragItemDropDelay > 500L) { this.handleMouseClick(this.clickedSlot, this.clickedSlot.slotNumber, 0, 0); this.handleMouseClick(slot, slot.slotNumber, 1, 0); this.handleMouseClick(this.clickedSlot, this.clickedSlot.slotNumber, 0, 0); this.dragItemDropDelay = i1 + 750L; --this.draggedStack.stackSize; } } else { this.currentDragTargetSlot = slot; this.dragItemDropDelay = i1; } } } } else if (this.dragSplitting && slot != null && itemstack != null && itemstack.stackSize > this.dragSplittingSlots.size() && Container.canAddItemToSlot(slot, itemstack, true) && slot.isItemValid(itemstack) && this.inventorySlots.canDragIntoSlot(slot)) { this.dragSplittingSlots.add(slot); this.updateDragSplitting(); } } /** * Called when a mouse button is released. Args : mouseX, mouseY, releaseButton * * @param state Will be negative to indicate mouse move and will be either 0 or 1 to indicate mouse up. */ protected void mouseReleased(int mouseX, int mouseY, int state) { super.mouseReleased(mouseX, mouseY, state); //Forge, Call parent to release buttons Slot slot = this.getSlotAtPosition(mouseX, mouseY); int l = this.guiLeft; int i1 = this.guiTop; boolean flag = mouseX < l || mouseY < i1 || mouseX >= l + this.xSize || mouseY >= i1 + this.ySize; int j1 = -1; if (slot != null) { j1 = slot.slotNumber; } if (flag) { j1 = -999; } Slot slot1; Iterator iterator; if (this.doubleClick && slot != null && state == 0 && this.inventorySlots.func_94530_a((ItemStack)null, slot)) { if (isShiftKeyDown()) { if (slot != null && slot.inventory != null && this.shiftClickedSlot != null) { iterator = this.inventorySlots.inventorySlots.iterator(); while (iterator.hasNext()) { slot1 = (Slot)iterator.next(); if (slot1 != null && slot1.canTakeStack(this.mc.thePlayer) && slot1.getHasStack() && slot1.inventory == slot.inventory && Container.canAddItemToSlot(slot1, this.shiftClickedSlot, true)) { this.handleMouseClick(slot1, slot1.slotNumber, state, 1); } } } } else { this.handleMouseClick(slot, j1, state, 6); } this.doubleClick = false; this.lastClickTime = 0L; } else { if (this.dragSplitting && this.dragSplittingButton != state) { this.dragSplitting = false; this.dragSplittingSlots.clear(); this.ignoreMouseUp = true; return; } if (this.ignoreMouseUp) { this.ignoreMouseUp = false; return; } boolean flag1; if (this.clickedSlot != null && this.mc.gameSettings.touchscreen) { if (state == 0 || state == 1) { if (this.draggedStack == null && slot != this.clickedSlot) { this.draggedStack = this.clickedSlot.getStack(); } flag1 = Container.canAddItemToSlot(slot, this.draggedStack, false); if (j1 != -1 && this.draggedStack != null && flag1) { this.handleMouseClick(this.clickedSlot, this.clickedSlot.slotNumber, state, 0); this.handleMouseClick(slot, j1, 0, 0); if (this.mc.thePlayer.inventory.getItemStack() != null) { this.handleMouseClick(this.clickedSlot, this.clickedSlot.slotNumber, state, 0); this.touchUpX = mouseX - l; this.touchUpY = mouseY - i1; this.returningStackDestSlot = this.clickedSlot; this.returningStack = this.draggedStack; this.returningStackTime = Minecraft.getSystemTime(); } else { this.returningStack = null; } } else if (this.draggedStack != null) { this.touchUpX = mouseX - l; this.touchUpY = mouseY - i1; this.returningStackDestSlot = this.clickedSlot; this.returningStack = this.draggedStack; this.returningStackTime = Minecraft.getSystemTime(); } this.draggedStack = null; this.clickedSlot = null; } } else if (this.dragSplitting && !this.dragSplittingSlots.isEmpty()) { this.handleMouseClick((Slot)null, -999, Container.func_94534_d(0, this.dragSplittingLimit), 5); iterator = this.dragSplittingSlots.iterator(); while (iterator.hasNext()) { slot1 = (Slot)iterator.next(); this.handleMouseClick(slot1, slot1.slotNumber, Container.func_94534_d(1, this.dragSplittingLimit), 5); } this.handleMouseClick((Slot)null, -999, Container.func_94534_d(2, this.dragSplittingLimit), 5); } else if (this.mc.thePlayer.inventory.getItemStack() != null) { if (state == this.mc.gameSettings.keyBindPickBlock.getKeyCode() + 100) { this.handleMouseClick(slot, j1, state, 3); } else { flag1 = j1 != -999 && (Keyboard.isKeyDown(42) || Keyboard.isKeyDown(54)); if (flag1) { this.shiftClickedSlot = slot != null && slot.getHasStack() ? slot.getStack() : null; } this.handleMouseClick(slot, j1, state, flag1 ? 1 : 0); } } } if (this.mc.thePlayer.inventory.getItemStack() == null) { this.lastClickTime = 0L; } this.dragSplitting = false; } /** * Returns if the passed mouse position is over the specified slot. Args : slot, mouseX, mouseY */ private boolean isMouseOverSlot(Slot slotIn, int mouseX, int mouseY) { return this.isPointInRegion(slotIn.xDisplayPosition, slotIn.yDisplayPosition, 16, 16, mouseX, mouseY); } /** * Test if the 2D point is in a rectangle (relative to the GUI). Args : rectX, rectY, rectWidth, rectHeight, pointX, * pointY */ protected boolean isPointInRegion(int left, int top, int right, int bottom, int pointX, int pointY) { int k1 = this.guiLeft; int l1 = this.guiTop; pointX -= k1; pointY -= l1; return pointX >= left - 1 && pointX < left + right + 1 && pointY >= top - 1 && pointY < top + bottom + 1; } /** * Called when the mouse is clicked over a slot or outside the gui. * * @param clickType Types: 0 for basic click, 1 for shift-click, 2 for hotbar, 3 for pickBlock, 4 for drop, 5 for * item distribution drag, 6 for double click */ protected void handleMouseClick(Slot slotIn, int slotId, int clickedButton, int clickType) { if (slotIn != null) { slotId = slotIn.slotNumber; } this.mc.playerController.windowClick(this.inventorySlots.windowId, slotId, clickedButton, clickType, this.mc.thePlayer); } /** * Fired when a key is typed (except F11 who toggle full screen). This is the equivalent of * KeyListener.keyTyped(KeyEvent e). Args : character (character on the key), keyCode (lwjgl Keyboard key code) */ protected void keyTyped(char typedChar, int keyCode) { if (keyCode == 1 || keyCode == this.mc.gameSettings.keyBindInventory.getKeyCode()) { this.mc.thePlayer.closeScreen(); } this.checkHotbarKeys(keyCode); if (this.theSlot != null && this.theSlot.getHasStack()) { if (keyCode == this.mc.gameSettings.keyBindPickBlock.getKeyCode()) { this.handleMouseClick(this.theSlot, this.theSlot.slotNumber, 0, 3); } else if (keyCode == this.mc.gameSettings.keyBindDrop.getKeyCode()) { this.handleMouseClick(this.theSlot, this.theSlot.slotNumber, isCtrlKeyDown() ? 1 : 0, 4); } } } /** * This function is what controls the hotbar shortcut check when you press a number key when hovering a stack. Args * : keyCode, Returns true if a Hotbar key is pressed, else false */ protected boolean checkHotbarKeys(int keyCode) { if (this.mc.thePlayer.inventory.getItemStack() == null && this.theSlot != null) { for (int j = 0; j < 9; ++j) { if (keyCode == this.mc.gameSettings.keyBindsHotbar[j].getKeyCode()) { this.handleMouseClick(this.theSlot, this.theSlot.slotNumber, j, 2); return true; } } } return false; } /** * Called when the screen is unloaded. Used to disable keyboard repeat events */ public void onGuiClosed() { if (this.mc.thePlayer != null) { this.inventorySlots.onContainerClosed(this.mc.thePlayer); } } /** * Returns true if this GUI should pause the game when it is displayed in single-player */ public boolean doesGuiPauseGame() { return false; } /** * Called from the main game loop to update the screen. */ public void updateScreen() { super.updateScreen(); if (!this.mc.thePlayer.isEntityAlive() || this.mc.thePlayer.isDead) { this.mc.thePlayer.closeScreen(); } } }