/
GhostIngredientReturning.java
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/
GhostIngredientReturning.java
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package mezz.jei.gui.ghost;
import com.mojang.blaze3d.matrix.MatrixStack;
import javax.annotation.Nullable;
import mezz.jei.util.MathUtil;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.Rectangle2d;
import mezz.jei.api.ingredients.IIngredientRenderer;
import net.minecraft.util.math.vector.Vector2f;
/**
* Renders an item returning to the ingredient list after a failed ghost drag.
*/
public class GhostIngredientReturning<T> {
private static final long DURATION_PER_SCREEN_WIDTH = 500; // milliseconds to move across a full screen
private final IIngredientRenderer<T> ingredientRenderer;
private final T ingredient;
private final Vector2f start;
private final Vector2f end;
private final long startTime;
private final long duration;
@Nullable
public static <T> GhostIngredientReturning<T> create(GhostIngredientDrag<T> ghostIngredientDrag, double mouseX, double mouseY) {
Rectangle2d origin = ghostIngredientDrag.getOrigin();
if (origin != null) {
IIngredientRenderer<T> ingredientRenderer = ghostIngredientDrag.getIngredientRenderer();
T ingredient = ghostIngredientDrag.getIngredient();
Vector2f end = new Vector2f(origin.getX(), origin.getY());
Vector2f start = new Vector2f((float) mouseX - 8, (float) mouseY - 8);
return new GhostIngredientReturning<>(ingredientRenderer, ingredient, start, end);
}
return null;
}
private GhostIngredientReturning(IIngredientRenderer<T> ingredientRenderer, T ingredient, Vector2f start, Vector2f end) {
this.ingredientRenderer = ingredientRenderer;
this.ingredient = ingredient;
this.start = start;
this.end = end;
this.startTime = System.currentTimeMillis();
Screen currentScreen = Minecraft.getInstance().currentScreen;
if (currentScreen != null) {
int width = currentScreen.width;
float durationPerPixel = DURATION_PER_SCREEN_WIDTH / (float) width;
float distance = (float) MathUtil.distance(start, end);
this.duration = Math.round(durationPerPixel * distance);
} else {
this.duration = Math.round(0.5f * DURATION_PER_SCREEN_WIDTH);
}
}
public void drawItem(Minecraft minecraft, MatrixStack matrixStack) {
long time = System.currentTimeMillis();
long elapsed = time - startTime;
double percent = Math.min(elapsed / (double) this.duration, 1);
double dx = end.x - start.x;
double dy = end.y - start.y;
double x = start.x + Math.round(dx * percent);
double y = start.y + Math.round(dy * percent);
ItemRenderer itemRenderer = minecraft.getItemRenderer();
itemRenderer.zLevel += 150.0F;
ingredientRenderer.render(matrixStack, (int) x, (int) y, ingredient);
itemRenderer.zLevel -= 150.0F;
}
public boolean isComplete() {
long time = System.currentTimeMillis();
return startTime + this.duration < time;
}
}