/
GhostIngredientDrag.java
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/
GhostIngredientDrag.java
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package mezz.jei.gui.ghost;
import com.mojang.blaze3d.matrix.MatrixStack;
import javax.annotation.Nullable;
import java.util.List;
import com.mojang.blaze3d.systems.RenderSystem;
import mezz.jei.input.click.MouseClickState;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.AbstractGui;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.Rectangle2d;
import mezz.jei.api.gui.handlers.IGhostIngredientHandler;
import mezz.jei.api.gui.handlers.IGhostIngredientHandler.Target;
import mezz.jei.api.ingredients.IIngredientRenderer;
import mezz.jei.util.MathUtil;
import org.lwjgl.opengl.GL11;
public class GhostIngredientDrag<T> {
private static final int targetColor = 0x4013C90A;
private static final int hoverColor = 0x804CC919;
private final IGhostIngredientHandler<?> handler;
private final List<Target<T>> targets;
private final IIngredientRenderer<T> ingredientRenderer;
private final T ingredient;
private final double mouseStartX;
private final double mouseStartY;
@Nullable
private final Rectangle2d origin;
public GhostIngredientDrag(
IGhostIngredientHandler<?> handler,
List<Target<T>> targets,
IIngredientRenderer<T> ingredientRenderer,
T ingredient,
double mouseX,
double mouseY,
@Nullable Rectangle2d origin
) {
this.handler = handler;
this.targets = targets;
this.ingredientRenderer = ingredientRenderer;
this.ingredient = ingredient;
this.origin = origin;
this.mouseStartX = mouseX;
this.mouseStartY = mouseY;
}
public void drawTargets(MatrixStack matrixStack, int mouseX, int mouseY) {
if (handler.shouldHighlightTargets()) {
drawTargets(matrixStack, mouseX, mouseY, targets);
}
}
public static boolean farEnoughToDraw(GhostIngredientDrag<?> drag, double mouseX, double mouseY) {
final double centerX;
final double centerY;
Rectangle2d origin = drag.getOrigin();
if (origin != null) {
centerX = origin.getX() + (origin.getWidth() / 2.0);
centerY = origin.getY() + (origin.getHeight() / 2.0);
} else {
centerX = drag.mouseStartX;
centerY = drag.mouseStartY;
}
double mouseXDist = centerX - mouseX;
double mouseYDist = centerY - mouseY;
double mouseDistSq = mouseXDist * mouseXDist + mouseYDist * mouseYDist;
return mouseDistSq > 64.0;
}
@SuppressWarnings("deprecation")
public void drawItem(Minecraft minecraft, MatrixStack matrixStack, int mouseX, int mouseY) {
if (!farEnoughToDraw(this, mouseX, mouseY)) {
return;
}
if (origin != null) {
int originX = origin.getX() + (origin.getWidth() / 2);
int originY = origin.getY() + (origin.getHeight() / 2);
int xDist = originX - mouseX;
int yDist = originY - mouseY;
float lineWidth = 2;
if (minecraft.screen != null) {
long distanceSq = (long) xDist * xDist + (long) yDist * yDist;
int screenDim = minecraft.screen.width * minecraft.screen.height;
float percentOfDim = Math.min(1, distanceSq / (float) screenDim);
lineWidth = 1 + ((1 - (percentOfDim)) * 3);
}
GL11.glDisable(GL11.GL_TEXTURE_2D);
RenderSystem.disableDepthTest();
GL11.glLineWidth(lineWidth);
GL11.glEnable(GL11.GL_LINE_SMOOTH);
GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);
GL11.glBegin(GL11.GL_LINES);
float red = (float) (targetColor >> 24 & 255) / 255.0F;
float green = (float) (targetColor >> 16 & 255) / 255.0F;
float blue = (float) (targetColor >> 8 & 255) / 255.0F;
float alpha = (float) (targetColor & 255) / 255.0F;
RenderSystem.color4f(red, green, blue, alpha);
GL11.glVertex3f(mouseX, mouseY, 150);
GL11.glVertex3f(originX, originY, 150);
GL11.glEnd();
RenderSystem.enableDepthTest();
GL11.glEnable(GL11.GL_TEXTURE_2D);
}
ItemRenderer itemRenderer = minecraft.getItemRenderer();
itemRenderer.blitOffset += 150.0F;
ingredientRenderer.render(matrixStack, mouseX - 8, mouseY - 8, ingredient);
itemRenderer.blitOffset -= 150.0F;
}
@SuppressWarnings("deprecation")
public static <V> void drawTargets(MatrixStack matrixStack, int mouseX, int mouseY, List<Target<V>> targets) {
RenderSystem.disableLighting();
RenderSystem.disableDepthTest();
for (Target<?> target : targets) {
Rectangle2d area = target.getArea();
int color;
if (MathUtil.contains(area, mouseX, mouseY)) {
color = hoverColor;
} else {
color = targetColor;
}
AbstractGui.fill(matrixStack, area.getX(), area.getY(), area.getX() + area.getWidth(), area.getY() + area.getHeight(), color);
}
RenderSystem.color4f(1f, 1f, 1f, 1f);
}
public boolean onClick(double mouseX, double mouseY, MouseClickState clickState) {
for (Target<T> target : targets) {
Rectangle2d area = target.getArea();
if (MathUtil.contains(area, mouseX, mouseY)) {
if (!clickState.isSimulate()) {
target.accept(ingredient);
handler.onComplete();
}
return true;
}
}
if (!clickState.isSimulate()) {
handler.onComplete();
}
return false;
}
public void stop() {
handler.onComplete();
}
public IIngredientRenderer<T> getIngredientRenderer() {
return ingredientRenderer;
}
public T getIngredient() {
return ingredient;
}
@Nullable
public Rectangle2d getOrigin() {
return origin;
}
}