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package io.github.moulberry.notenoughupdates.overlays;
import io.github.moulberry.notenoughupdates.core.config.Position;
import io.github.moulberry.notenoughupdates.util.Utils;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.renderer.GlStateManager;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL14;
import org.lwjgl.util.vector.Vector2f;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;
public abstract class TextOverlay {
private Position position;
protected Supplier<TextOverlayStyle> styleSupplier;
public int overlayWidth = -1;
public int overlayHeight = -1;
public List<String> overlayStrings = null;
private Supplier<List<String>> dummyStrings;
public boolean shouldUpdateFrequent = false;
private static final int PADDING_X = 5;
private static final int PADDING_Y = 5;
public TextOverlay(Position position, Supplier<List<String>> dummyStrings, Supplier<TextOverlayStyle> styleSupplier) {
this.position = position;
this.styleSupplier = styleSupplier;
if(dummyStrings == null) {
this.dummyStrings = () -> null;
} else {
this.dummyStrings = dummyStrings;
}
}
public Vector2f getDummySize() {
List<String> dummyStrings = this.dummyStrings.get();
if(dummyStrings != null) {
return getSize(dummyStrings);
}
return new Vector2f(100, 50);
}
public void tick() {
update();
}
public void updateFrequent() {}
public abstract void update();
public void renderDummy() {
List<String> dummyStrings = this.dummyStrings.get();
render(dummyStrings, true);
}
public void render() {
if(shouldUpdateFrequent) {
updateFrequent();
shouldUpdateFrequent = false;
}
render(overlayStrings, false);
}
protected Vector2f getSize(List<String> strings) {
int overlayHeight = 0;
int overlayWidth = 0;
for(String s : strings) {
if(s == null) {
overlayHeight += 3;
continue;
}
for(String s2 : s.split("\n")) {
int sWidth = Minecraft.getMinecraft().fontRendererObj.getStringWidth(s2);
if(sWidth > overlayWidth) {
overlayWidth = sWidth;
}
overlayHeight += 10;
}
}
overlayHeight -= 2;
int paddingX = 0;
int paddingY = 0;
if(styleSupplier.get() == TextOverlayStyle.BACKGROUND) {
paddingX = PADDING_X;
paddingY = PADDING_Y;
}
return new Vector2f(overlayWidth+paddingX*2, overlayHeight+paddingY*2);
}
protected Vector2f getTextOffset() {
return new Vector2f();
}
protected Vector2f getPosition(int overlayWidth, int overlayHeight) {
ScaledResolution scaledResolution = new ScaledResolution(Minecraft.getMinecraft());
int x = position.getAbsX(scaledResolution, overlayWidth);
int y = position.getAbsY(scaledResolution, overlayHeight);
return new Vector2f(x, y);
}
protected void renderLine(String line, Vector2f position, boolean dummy) {}
private void render(List<String> strings, boolean dummy) {
if(strings == null) return;
Vector2f size = getSize(strings);
overlayHeight = (int)size.y;
overlayWidth = (int)size.x;
Vector2f position = getPosition(overlayWidth, overlayHeight);
int x = (int)position.x;
int y = (int)position.y;
TextOverlayStyle style = styleSupplier.get();
if(style == TextOverlayStyle.BACKGROUND) Gui.drawRect(x, y, x+overlayWidth, y+overlayHeight, 0x80000000);
GlStateManager.enableBlend();
GL14.glBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
GlStateManager.tryBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
int paddingX = 0;
int paddingY = 0;
if(styleSupplier.get() == TextOverlayStyle.BACKGROUND) {
paddingX = PADDING_X;
paddingY = PADDING_Y;
}
Vector2f textOffset = getTextOffset();
paddingX += (int) textOffset.x;
paddingY += (int) textOffset.y;
int yOff = 0;
for(String s : strings) {
if(s == null) {
yOff += 3;
} else {
for(String s2 : s.split("\n")) {
Vector2f pos = new Vector2f(x+paddingX, y+paddingY+yOff);
renderLine(s2, pos, dummy);
int xPad = (int)pos.x;
int yPad = (int)pos.y;
if(style == TextOverlayStyle.FULL_SHADOW) {
String clean = Utils.cleanColourNotModifiers(s2);
for(int xO=-2; xO<=2; xO++) {
for(int yO=-2; yO<=2; yO++) {
if(Math.abs(xO) != Math.abs(yO)) {
Minecraft.getMinecraft().fontRendererObj.drawString(clean,
xPad+xO/2f, yPad+yO/2f,
new Color(0, 0, 0, 200/Math.max(Math.abs(xO), Math.abs(yO))).getRGB(), false);
}
}
}
}
Minecraft.getMinecraft().fontRendererObj.drawString(s2,
xPad, yPad, 0xffffff, style == TextOverlayStyle.MC_SHADOW);
yOff += 10;
}
}
}
}
}
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