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package gregtech.api.gui.widgets;
import java.awt.Rectangle;
import net.minecraft.client.Minecraft;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import gregtech.api.gui.widgets.GT_GuiTabLine.GT_GuiTabIconSet;
import gregtech.api.gui.widgets.GT_GuiTabLine.GT_ITabRenderer;
import gregtech.api.interfaces.IGuiIcon;
/**
* A tab to be attached to a tab line
*/
public class GT_GuiTab {
private static final int SLOT_SIZE = 18;
public boolean visible = true, mousedOver, enabled = true;
private Rectangle bounds;
private GT_GuiTabIconSet tabBackground;
private ItemStack item;
private GT_ITabRenderer gui;
private GT_GuiTooltip tooltip;
private IGuiIcon overlay;
private boolean flipHorizontally;
/**
* A tab to be attached to a tab line
*
* @param gui IGregTechTileEntity the tab line this tab belongs to is attached to
* @param id both the ID and position in the tab line of this tab
* @param bounds bounds of this tab
* @param tabBackground set of background textures
* @param item item to draw atop the background texture, not colored
* @param overlay texture to draw atop the background texture, not colored
* @param tooltipText tooltip of this tab
* @param flipHorizontally whether to draw this tab on the right side of the IGregTechTileEntity
*/
public GT_GuiTab(GT_ITabRenderer gui, int id, Rectangle bounds, GT_GuiTabIconSet tabBackground, ItemStack item,
IGuiIcon overlay, String[] tooltipText, boolean flipHorizontally) {
this.gui = gui;
this.bounds = bounds;
this.item = item;
this.tabBackground = tabBackground;
this.overlay = overlay;
if (tooltipText != null) {
setTooltipText(tooltipText);
}
this.flipHorizontally = flipHorizontally;
}
public GT_GuiTab(GT_ITabRenderer gui, int id, Rectangle bounds, GT_GuiTabIconSet tabBackground) {
this(gui, id, bounds, tabBackground, null, null, null, false);
}
/**
* Set this tab's tooltip text
*
* @param text
* @return This tab for chaining
*/
public GT_GuiTab setTooltipText(String... text) {
if (tooltip == null) {
tooltip = new GT_GuiTooltip(bounds, text);
gui.addToolTip(tooltip);
} else {
tooltip.setToolTipText(text);
}
return this;
}
/**
* @return This tab's tooltip object
*/
public GT_GuiTooltip getTooltip() {
return tooltip;
}
/**
* Draw the background texture for this tab
*
* @param mouseX
* @param mouseY
* @param parTicks
*/
public void drawBackground(int mouseX, int mouseY, float parTicks) {
if (this.visible) {
GT_GuiIcon.render(
getBackgroundTexture(),
bounds.x,
bounds.y,
bounds.width,
bounds.height,
1,
true,
this.flipHorizontally);
}
}
/**
* Draw overlay textures and items atop the background texture
*
* @param mouseX
* @param mouseY
* @param parTicks
*/
public void drawOverlays(int mouseX, int mouseY, float parTicks) {
this.mousedOver = bounds.contains(mouseX, mouseY);
if (this.tooltip != null) {
this.tooltip.enabled = this.visible;
}
if (this.visible) {
if (overlay != null) {
GL11.glColor4f(1, 1, 1, 1);
GT_GuiIcon.render(overlay, bounds.x, bounds.y, bounds.width, bounds.height, 1, true);
}
if (item != null) {
GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
if (item.getItem() instanceof ItemBlock) {
GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
}
int margin = (bounds.height - SLOT_SIZE);
gui.getItemRenderer()
.renderItemAndEffectIntoGUI(
gui.getFontRenderer(),
Minecraft.getMinecraft()
.getTextureManager(),
item,
bounds.x + (this.flipHorizontally ? 0 : margin),
bounds.y + margin);
if (item.getItem() instanceof ItemBlock) GL11.glPopAttrib();
GL11.glPopAttrib();
}
}
}
/**
* @return the texture this tab should currently use as it's background
*/
protected IGuiIcon getBackgroundTexture() {
if (!enabled) return tabBackground.disabled;
return mousedOver ? tabBackground.highlight : tabBackground.normal;
}
/**
* @return the screen space occupied by this tab
*/
public Rectangle getBounds() {
return this.bounds;
}
/**
* Reposition this tab on the screen
*
* @param xPos
* @param yPos
*/
public void setPosition(int xPos, int yPos) {
this.bounds = new Rectangle(xPos, yPos, bounds.width, bounds.height);
}
}
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