@Override
public void render(Graphics g) {
if (map.needsToBeRendered() || reRender) {
Graphics g1 = cachedViewport.getGraphics();
// Draw a black background
g1.setColor(Color.BLACK);
g1.fillRect(0, 0, viewportWidth, viewportHeight);
// Get the avatar's location. This location will be shown in the center of the viewport.
Point logicalPoint = avatar.getLocation();
Point pixelPoint = new Point(viewportWidth / 2, viewportHeight / 2);
// Create a 2D graphcis obj
Graphics2D g2 = (Graphics2D) g1.create();
// Clear the existing status bar locations
this.entityLocationTuples.clear();
breadthFirstRender(logicalPoint, pixelPoint, g2);
map.setNeedsToBeRendered(false);
reRender = false;
g1.dispose();
}
// draws the viewport
g.drawImage(cachedViewport, 0, 0, viewportWidth, viewportHeight, getDisplay());
for (EntityLocationTuple et : this.entityLocationTuples) {
drawEntityHealthBar(g, et);
}
if (displayDebugInformation) {
g.setColor(Color.WHITE);
g.drawString(
avatar.getLocation().toString(),
viewportWidth - g.getFontMetrics().stringWidth(avatar.getLocation().toString()) - 50,
25);
}
}
private void drawEntityHealthBar(Graphics g, EntityLocationTuple entityLocationHealthTriple) {
Point p = entityLocationHealthTriple.point;
Entity entity = entityLocationHealthTriple.entity;
int oldHealth = entityHealthMap.get(entity).intValue();
int entityX = (int) p.getX() - hexWidth * 3 / 8;
int entityY = (int) p.getY() - hexHeight * 3 / 8;
Stats stats = entity.getStats();
int entitysCurrentActualHealth = stats.getStat(Stats.Type.HEALTH);
// Only render health on NPCs
// Also only update health bar, if the entities current health is diff than its old health
if (!(entity == avatar)) {
if (!entityEffedUpHealthMap.containsKey(entity) || oldHealth != entitysCurrentActualHealth) {
System.out.println("CHANGIN ENTITY HEALTH");
Skill observation = avatar.getSpecificSkill(Skill.SkillDictionary.OBSERVATION);
ObservationSkill observationSkill = (ObservationSkill) observation;
observationSkill.onUpdate(entity);
int effedUpHealth = observationSkill.getCombatError(entitysCurrentActualHealth);
entityEffedUpHealthMap.put(entity, effedUpHealth);
entityHealthMap.put(entity, entitysCurrentActualHealth);
}
// int health = entityEffedUpHealthMap.get(entity);
int health = entitysCurrentActualHealth + entityEffedUpHealthMap.get(entity);
int maxHealth = stats.getStat(Stats.Type.MAX_HEALTH);
health = health > maxHealth ? maxHealth : health;
health = health < 0 ? 0 : health;
// Sizes
int healthBarWidth = getScreenWidth() / 12;
int healthBarHeight = getScreenHeight() / 53;
// Set the font
Font f = new Font("Courier New", 1, 14);
g.setFont(f);
// Set the location and size of the health bar.
int healthBarX = entityX - healthBarWidth / 3;
int healthBarY = entityY - healthBarHeight;
// Draw the outline of the health bar.
g.setColor(Color.RED);
g.fillRect(healthBarX, healthBarY, healthBarWidth, healthBarHeight);
// Determine what fraction of the healthbar should be shown.
double healthFraction = (double) health / (double) maxHealth;
int healthFillWidth = (int) (healthFraction * healthBarWidth);
// Fill the healthbar
g.setColor(Color.GREEN);
g.fillRect(healthBarX, healthBarY, healthFillWidth, healthBarHeight);
// Display the fraction of health
g.setColor(Color.WHITE);
String healthFractionString = "(" + health + "/" + maxHealth + ")";
FontMetrics fm = g.getFontMetrics(f);
// Place the font at the right of the bar
Rectangle2D healthFractionRect = fm.getStringBounds(healthFractionString, g);
int healthFractionX = healthBarX + (healthBarWidth - (int) healthFractionRect.getWidth()) / 2;
int healthFractionY = healthBarY + healthBarHeight - 4;
g.drawString(healthFractionString, healthFractionX, healthFractionY);
}
}
// This will traverse through all the tiles using a breadth first search. It will then render that
// tile.
private void breadthFirstRender(Point logicalPoint, Point pixelPoint, Graphics2D g) {
// Get the radius of visibliity.
int radiusOfVisibility = avatar.getRadiusOfVisiblility();
// This hashmap will keep track of what we have already renderred in our traversal.
HashMap<Point, Boolean> hasBeenRendered = new HashMap<>();
// Create an empty queue of tile nodes.
Queue<TileNode> tileQueue = new LinkedList<>();
// Convert the first tile into a TileNode and push it into the queue.
TileNode root = new TileNode(map.getTileAt(logicalPoint), logicalPoint, pixelPoint);
root.distanceFromAvatar = 0;
// Offset the root based upon the offset ammound
root.pixelPoint.translate((int) viewportOffset.getX(), (int) viewportOffset.getY());
tileQueue.offer(root); // offer is analogous to push (or enqueue).
while (!tileQueue.isEmpty()) {
// Pop the current tile off the queue.
TileNode currentTileNode = tileQueue.poll(); // poll is analogous to pop (or dequeue).
// Check to see if the tile has already been renderred.
if ((hasBeenRendered.get(currentTileNode.logicalPoint) == null)
|| !hasBeenRendered.get(currentTileNode.logicalPoint)
&& isInRangeOfViewport(currentTileNode.pixelPoint)) {
hasBeenRendered.put(
currentTileNode.logicalPoint, true); // Mark the tile as having been renderred.
// Render the current Tile
if (!displayDebugInformation) {
if (currentTileNode.distanceFromAvatar < radiusOfVisibility) {
// Mark this tile as having been seen.
seenTiles.put(new Point(currentTileNode.logicalPoint), new Tile(currentTileNode.tile));
// Set the opacity based on the distance from the avatar.
float opacity =
1.0f
- (1 - MIN_OPACITY)
* (currentTileNode.distanceFromAvatar / (float) radiusOfVisibility);
opacity = opacity < MIN_OPACITY ? MIN_OPACITY : opacity;
renderTile(currentTileNode, g, opacity); // Render the tile.
} else if (seenTiles.get(currentTileNode.logicalPoint) != null) {
currentTileNode.tile =
seenTiles.get(
currentTileNode.logicalPoint); // Switch out the actual tile with the seen tile.
renderTile(currentTileNode, g, SEEN_OPACITY);
}
} else {
// Yes, Austin put this in. You can tell by the spacing.
renderTile(currentTileNode, g, 1f);
}
// Push all the adjacent nodes onto the queue
for (TileNode tileNode : getAdjacentTiles(currentTileNode)) {
tileNode.distanceFromAvatar = currentTileNode.distanceFromAvatar + 1;
tileQueue.offer(tileNode);
}
}
}
}
