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package com.anthonyhilyard.iceberg.util;
import java.util.ArrayList;
import java.util.List;
import com.mojang.blaze3d.matrix.MatrixStack;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.Rectangle2d;
import net.minecraft.item.ItemStack;
import net.minecraft.util.text.ITextProperties;
import net.minecraft.util.text.Style;
import net.minecraftforge.client.event.RenderTooltipEvent;
import net.minecraftforge.common.MinecraftForge;
public class Tooltips
{
public static Rectangle2d calculateRect(final ItemStack stack, MatrixStack mStack, List<? extends ITextProperties> textLines, int mouseX, int mouseY,
int screenWidth, int screenHeight, int maxTextWidth, FontRenderer font)
{
Rectangle2d rect = new Rectangle2d(0, 0, 0, 0);
if (textLines.isEmpty())
{
return rect;
}
// Generate a tooltip event even though we aren't rendering anything in case the event handlers are modifying the input values.
RenderTooltipEvent.Pre event = new RenderTooltipEvent.Pre(stack, textLines, mStack, mouseX, mouseY, screenWidth, screenHeight, maxTextWidth, font);
if (MinecraftForge.EVENT_BUS.post(event))
{
return rect;
}
mouseX = event.getX();
mouseY = event.getY();
screenWidth = event.getScreenWidth();
screenHeight = event.getScreenHeight();
maxTextWidth = event.getMaxWidth();
font = event.getFontRenderer();
int tooltipTextWidth = 0;
for (ITextProperties textLine : textLines)
{
int textLineWidth = font.width(textLine);
if (textLineWidth > tooltipTextWidth)
{
tooltipTextWidth = textLineWidth;
}
}
boolean needsWrap = false;
int titleLinesCount = 1;
int tooltipX = mouseX + 14;
if (tooltipX + tooltipTextWidth + 4 > screenWidth)
{
tooltipX = mouseX - 16 - tooltipTextWidth;
if (tooltipX < 4) // if the tooltip doesn't fit on the screen
{
if (mouseX > screenWidth / 2)
{
tooltipTextWidth = mouseX - 14 - 8;
}
else
{
tooltipTextWidth = screenWidth - 16 - mouseX;
}
needsWrap = true;
}
}
if (maxTextWidth > 0 && tooltipTextWidth > maxTextWidth)
{
tooltipTextWidth = maxTextWidth;
needsWrap = true;
}
if (needsWrap)
{
int wrappedTooltipWidth = 0;
List<ITextProperties> wrappedTextLines = new ArrayList<>();
for (int i = 0; i < textLines.size(); i++)
{
ITextProperties textLine = textLines.get(i);
List<ITextProperties> wrappedLine = font.getSplitter().splitLines(textLine, tooltipTextWidth, Style.EMPTY);
if (i == 0)
{
titleLinesCount = wrappedLine.size();
}
for (ITextProperties line : wrappedLine)
{
int lineWidth = font.width(line);
if (lineWidth > wrappedTooltipWidth)
{
wrappedTooltipWidth = lineWidth;
}
wrappedTextLines.add(line);
}
}
tooltipTextWidth = wrappedTooltipWidth;
textLines = wrappedTextLines;
if (mouseX > screenWidth / 2)
{
tooltipX = mouseX - 16 - tooltipTextWidth;
}
else
{
tooltipX = mouseX + 14;
}
}
int tooltipY = mouseY - 14;
int tooltipHeight = 8;
if (textLines.size() > 1)
{
tooltipHeight += (textLines.size() - 1) * 10;
if (textLines.size() > titleLinesCount)
{
tooltipHeight += 2; // gap between title lines and next lines
}
}
if (tooltipY < 4)
{
tooltipY = 4;
}
else if (tooltipY + tooltipHeight + 4 > screenHeight)
{
tooltipY = screenHeight - tooltipHeight - 4;
}
rect = new Rectangle2d(tooltipX - 4, tooltipY - 4, tooltipTextWidth + 8, tooltipHeight + 8);
return rect;
}
}
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