praktikum-holons/src/holeg/ui/view/canvas/Rendering.java

package holeg.ui.view.canvas;

import holeg.model.*;
import holeg.preferences.ColorPreference;
import holeg.preferences.ImagePreference;
import holeg.ui.model.GuiSettings;
import holeg.ui.view.image.Import;
import holeg.utility.math.vector.Vec2i;

import java.awt.*;


class Rendering {
    private static final RenderingHints RenderingHint = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    private static final Font CanvasFont = new Font("TimesNewRoman", Font.PLAIN,
            Math.max((int) (GuiSettings.getPictureScale() / 3.5f), 10));
    private static final Color[] colors = {ColorPreference.HolonObject.Producer, ColorPreference.HolonObject.NotSupplied,
            ColorPreference.HolonObject.PartiallySupplied, ColorPreference.HolonObject.Supplied,
            ColorPreference.HolonObject.OverSupplied, ColorPreference.HolonObject.NoEnergy};
    private static final BasicStroke OnePixelStroke = new BasicStroke(1);
    private static final BasicStroke TwoPixelStroke = new BasicStroke(2);
    private static final Dimension SupplyBarDimensions = new Dimension(GuiSettings.getPictureScale(), GuiSettings.getPictureScale() / 5);
    private static final Font SupplyBarFont = new Font("TimesNewRoman", Font.PLAIN, (int) (GuiSettings.getPictureScale() * 0.3) - 2);



    static Graphics2D initGraphics2D(Graphics g) {
        Graphics2D g2d = (Graphics2D) g;
        g2d.setRenderingHints(RenderingHint);
        g2d.setFont(CanvasFont);
        return g2d;
    }

    static void drawSwitchObject(Graphics2D g, HolonSwitch hS) {
        drawCanvasObject(g, hS);
    }
    static void drawHolonObject(Graphics2D g, HolonObject hO) {
        Vec2i pos = hO.getPosition();
		Color stateColor = ColorPreference.HolonObject.getStateColor(hO.getState());
		g.setColor(stateColor);
        g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() - GuiSettings.getPictureScaleDiv2(),
                GuiSettings.getPictureScale(), GuiSettings.getPictureScale());
        drawCanvasObject(g, hO.getImage(), pos);
        if(GuiSettings.showSupplyBars && hO.getActualEnergy() <= 0){
            drawSupplyBar(g, hO.getSupplyBarPercentage(), stateColor, pos);
        }
    }

    static void drawCanvasObject(Graphics2D g, AbstractCanvasObject obj) {
        drawCanvasObject(g, obj.getImage(), obj.getPosition());
    }

    static void drawCanvasObject(Graphics2D g, String imageName, Vec2i pos) {
        int pictureScale = GuiSettings.getPictureScale();
        int pictureScaleDiv2 = GuiSettings.getPictureScaleDiv2();
        Image image = Import.loadImage(imageName, pictureScale, pictureScale);
        g.drawImage(image, pos.getX() - pictureScaleDiv2, pos.getY() - pictureScaleDiv2, pictureScale, pictureScale,
                null);
    }





    static void drawNode(Graphics2D g, Node node) {
        Vec2i pos = node.getPosition();
        drawCanvasObject(g, ImagePreference.Canvas.Node.Unselected, pos);
    }

    static void drawEdge(Graphics2D g, Edge edge) {
        //both
        Vec2i start = edge.getA().getPosition();
        Vec2i end = edge.getB().getPosition();
        float currentEnergy = edge.getActualFlow();
        float capacity = edge.maxCapacity;
        boolean unlimited = edge.mode == Edge.EdgeMode.Unlimited;
        switch (edge.getState()) {
            case Burned -> {
                g.setColor(ColorPreference.Edge.Burned);
                g.setStroke(TwoPixelStroke);
            }
            case Working -> {
                g.setColor(ColorPreference.Edge.Working);
                g.setStroke(new BasicStroke(unlimited ? 2f : (currentEnergy / capacity * 2f) + 1));
            }
        }
        g.drawLine(start.getX(), start.getY(), end.getX(), end.getY());
        Vec2i middle = new Vec2i((start.getX() + end.getX()) / 2, (start.getY() + end.getY()) / 2);
        g.drawString(currentEnergy + "/" + (unlimited ? "\u221E" : capacity), middle.getX(), middle.getY());
    }

    static void drawNewEdgeLine(Graphics2D g, Vec2i start, Vec2i end){
        g.setStroke(TwoPixelStroke);
        g.setColor(ColorPreference.Edge.Working);
        g.drawLine(start.getX(), start.getY(), end.getX(), end.getY());
    }



    static void drawGroupNode(Graphics2D g, GroupNode groupNode) {
        Vec2i pos = groupNode.getPosition();
        g.setColor(Color.gray);
        g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() - GuiSettings.getPictureScaleDiv2(),
                GuiSettings.getPictureScale(), GuiSettings.getPictureScale());
        drawCanvasObject(g, groupNode.getImage(), pos);
    }

    static void drawSelection(Graphics2D g) {
        g.setStroke(OnePixelStroke);
        for (AbstractCanvasObject aCps : GuiSettings.getSelectedObjects()) {
            Vec2i pos = aCps.getPosition();
            if (aCps instanceof Node) {
                g.setColor(ColorPreference.Canvas.ObjectSelectionFill);
                g.fillOval(pos.getX() - (GuiSettings.getPictureScaleDiv2()),
                        pos.getY() - (GuiSettings.getPictureScaleDiv2()), GuiSettings.getPictureScale(), GuiSettings.getPictureScale());
                g.setColor(ColorPreference.Canvas.ObjectSelectionBorder);
                g.drawOval(pos.getX() - (GuiSettings.getPictureScaleDiv2()),
                        pos.getY() - (GuiSettings.getPictureScaleDiv2()), GuiSettings.getPictureScale(), GuiSettings.getPictureScale());
            } else {
                g.setColor(ColorPreference.Canvas.ObjectSelectionFill);
                g.fillRect(pos.getX() - (int) (GuiSettings.getPictureScaleDiv2() * 1.5f),
                        pos.getY() - (int) (GuiSettings.getPictureScaleDiv2() * 1.5f), (int) (GuiSettings.getPictureScale() * 1.5f),
                        (int) (GuiSettings.getPictureScale() * 1.5f));
                g.setColor(ColorPreference.Canvas.ObjectSelectionBorder);
                g.drawRect(pos.getX() - (int) (GuiSettings.getPictureScaleDiv2() * 1.5f),
                        pos.getY() - (int) (GuiSettings.getPictureScaleDiv2() * 1.5f), (int) (GuiSettings.getPictureScale() * 1.5f),
                        (int) (GuiSettings.getPictureScale() * 1.5f));
            }
        }
    }

    static void drawSelectionBox(Graphics2D g, Rectangle selectionBox) {
        g.setStroke(OnePixelStroke);
        g.setColor(ColorPreference.Canvas.MouseSelectionBorder);
        g.draw(selectionBox);
        g.setColor(ColorPreference.Canvas.MouseSelectionFill);
        g.fill(selectionBox);

    }



//protected void drawCanvasObjectString(Graphics2D g, Vec2i posOfCanvasObject, float energy) {
//	g.setColor(Color.BLACK);
//	g.setFont(new Font("TimesNewRoman", Font.PLAIN, (int) (GuiSettings.getPictureScale() / 4f)));
//	g.drawString((energy > 0) ? "+" + Float.toString(energy) : Float.toString(energy),
//			posOfCanvasObject.getX() - GuiSettings.getPictureScaleDiv2(),
//			posOfCanvasObject.getY() - GuiSettings.getPictureScaleDiv2() - 1);
//}
//
//protected void paintConsumer(Graphics2D g, Consumer con) {
//	paintCanvasObject(g, con);
//	drawCanvasObjectString(g, con.getModel().getPosition(), -con.getEnergyNeededFromNetwork());
//	if (GuiSettings.showSupplyBars) {
//		paintSupplyBar(g, con.getSupplyBarPercentage(), ColorPreference.HolonObject.getStateColor(con.getState()),
//				con.getModel().getPosition());
//	}
//}
//
//protected void paintSupplier(Graphics2D g, Supplier sup) {
//	paintCanvasObject(g, sup);
//	drawCanvasObjectString(g, sup.getModel().getPosition(), sup.getEnergyToSupplyNetwork());
//}
//
//protected void drawCanvasObject(Graphics2D g, String Image, Vec2i pos) {
//	g.drawImage(Import.loadImage(Image, GuiSettings.getPictureScale(), GuiSettings.getPictureScale()),
//			pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() - GuiSettings.getPictureScaleDiv2(), GuiSettings.getPictureScale(),
//			GuiSettings.getPictureScale(), null);
//}
//
//protected void paintCable(Graphics2D g, Edge cable, boolean isSelected) {
//	Vec2i start = cable.getA().getPosition();
//	Vec2i end = cable.getB().getPosition();
//	float currentEnergy = cable.getActualFlow();
//	float capacity = cable.maxCapacity;
//	boolean unlimited = cable.isUnlimitedCapacity();
//	switch (cable.getState()) {
//	case Burned:
//		g.setColor(ColorPreference.Edge.Burned);
//		g.setStroke(new BasicStroke(2));
//		break;
//	case Working:
//		g.setColor(ColorPreference.Edge.Working);
//		g.setStroke(new BasicStroke(unlimited ? 2f : (currentEnergy / capacity * 2f) + 1));
//		break;
//	}
//	if (isSelected) {
//		g.setColor(Color.lightGray);
//	}
//	g.drawLine(start.getX(), start.getY(), end.getX(), end.getY());
//	if (showConnectionInformation) {
//		Vec2i middle = new Vec2i((start.getX() + end.getX()) / 2, (start.getY() + end.getY()) / 2);
//		g.setFont(new Font("TimesRoman", Font.PLAIN, Math.max((int) (GuiSettings.getPictureScale() / 3.5f), 10)));
//		g.drawString(currentEnergy + "/" + (unlimited ? "\u221E" : capacity), middle.getX(), middle.getY());
//	}
//}

//protected void paintExitCable(Graphics2D g, ExitCable eCable) {
//	Vec2i start = eCable.getStart().getPosition();
//	Vec2i end = eCable.getFinish().getPosition();
//	float currentEnergy;
//	float capacity = eCable.getEdge().maxCapacity;
//	boolean unlimited = eCable.getEdge().isUnlimitedCapacity();
//	if(eCable.getEdge().getState() == null) {
//		System.err.print(eCable.getEdge());
//	}
//	switch (eCable.getEdge().getState()) {
//	case Burned:
//		currentEnergy = 0.0f;
//		g.setColor(Color.RED);
//		g.setStroke(new BasicStroke(2));
//		break;
//	case Working:
//	default:
//		currentEnergy = eCable.getEdge().getActualFlow();
//		g.setColor(new Color(13, 175, 28));
//		g.setStroke(new BasicStroke(unlimited ? 2f : (currentEnergy / capacity * 2f) + 1));
//		break;
//	}
//	g.drawLine(start.getX(), start.getY(), end.getX(), end.getY());
//	Vec2i middle = new Vec2i((start.getX() + end.getX()) / 2, (start.getY() + end.getY()) / 2);
//	g.setFont(new Font("TimesRoman", Font.PLAIN, Math.max((int) (GuiSettings.getPictureScale() / 3.5f), 10)));
//	g.drawString(currentEnergy + "/" + (unlimited ? "\u221E" : capacity), middle.getX(), middle.getY());
//}

//private void paintGroupNodeBar(Graphics2D g, DecoratedGroupNode dGroupNode, Vec2i pos) {
//	// +1, -2, -1 little Adjustment for pixel perfect alignment
//	int barWidth = (int) (GuiSettings.getPictureScale());
//	int barHeight = (int) (GuiSettings.getPictureScale() / 5);
//	g.setColor(Color.WHITE);
//	g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1, (int) barWidth,
//			barHeight);
//	float[] percentages = getGroupNodeBarPercentages(dGroupNode);
//
//	for (int i = 5; i >= 0; i--) {
//		g.setColor(colors[i]);
//		g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1,
//				(int) (barWidth * percentages[i] - 1), barHeight);
//	}
////	g.setColor(color);
////	g.fillRect(pos.getX() - GuiSettings.GetPictureScaleDiv2(), pos.getY() + GuiSettings.GetPictureScaleDiv2() - 1, (int) (barWidth * (percentage < 1 ? percentage : 1.0f) - 1), barHeight);
//	g.setColor(Color.BLACK);
//	g.setStroke(new BasicStroke(1));
//	g.drawRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1, barWidth - 1,
//			barHeight);
//}
//
///**
// * HardCoded Stuff dont try at Home ;)
// * 
// * @param dGroupNode
// * @return
// */
//public float[] getGroupNodeBarPercentages(DecoratedGroupNode dGroupNode) {
//	int[] amountOfObjects = new int[6];
//	amountOfObjects[0] = dGroupNode.getAmountOfSupplier();
//	amountOfObjects[1] = dGroupNode.getAmountOfConsumerWithState(HolonObjectState.NOT_SUPPLIED);
//	amountOfObjects[2] = dGroupNode.getAmountOfConsumerWithState(HolonObjectState.PARTIALLY_SUPPLIED);
//	amountOfObjects[3] = dGroupNode.getAmountOfConsumerWithState(HolonObjectState.SUPPLIED);
//	amountOfObjects[4] = dGroupNode.getAmountOfConsumerWithState(HolonObjectState.OVER_SUPPLIED);
//	amountOfObjects[5] = dGroupNode.getAmountOfPassiv();
//	int countHolonObjects = amountOfObjects[0] + amountOfObjects[1] + amountOfObjects[2] + amountOfObjects[3]
//			+ amountOfObjects[4] + amountOfObjects[5];
//	float[] percentages = new float[6];
//	int count = 0;
//	for (int i = 0; i < 6; i++) {
//		count += amountOfObjects[i];
//		percentages[i] = (float) count / (float) countHolonObjects;
//	}
//	return percentages;
//}

private static void drawSupplyBar(Graphics2D g, float percentage, Color color, Vec2i pos) {
	// +1, -2, -1 little Adjustment for pixel perfect alignment
	g.setColor(Color.WHITE);
	g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1, SupplyBarDimensions.width,
            SupplyBarDimensions.height);
	g.setColor(color);
	g.fillRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1,
			(int) (SupplyBarDimensions.width * (percentage < 1 ? percentage : 1.0f) - 1), SupplyBarDimensions.height);
	g.setColor(Color.BLACK);
	g.setStroke(new BasicStroke(1));
	g.drawRect(pos.getX() - GuiSettings.getPictureScaleDiv2(), pos.getY() + GuiSettings.getPictureScaleDiv2() - 1, SupplyBarDimensions.width - 1,
            SupplyBarDimensions.height);
	g.setFont(SupplyBarFont);
	String percentageString = (Math.round((percentage * 100))) + "%";
	int stringWidth = (int) g.getFontMetrics().getStringBounds(percentageString, g).getWidth();
	if (percentage > 1.0f){
        g.setColor(Color.WHITE); // Just to see better on purple
    }
	g.drawString(percentageString, pos.getX() + 1 - stringWidth / 2,
			pos.getY() + GuiSettings.getPictureScaleDiv2() - 1 + SupplyBarDimensions.height);
}
}