public MainCharacter(RenderWindow window) {
super(window);
setSprite("Pics/Human/Ash_Sprite.jpg", new IntRect(0, 10, 16, 26));
Vector2i windowSize = window.getSize();
setScale(3, 3);
setPosition(new Vector2f(windowSize.x / 2 - 24, windowSize.y / 2 - 24));
}
@Override
public void draw(RenderTarget renderTarget, RenderStates renderStates) {
int adjustedFrame =
Math.round((animationFrame * ANIMATION_FRAMES) / (ANIMATION_FRAMES * ANIMATION_SPEED));
// TODO: Improve efficiency if required. There is no use in looping through tiles immediately
// adjacent to the
// start of the chunk.
// Apply the tile sheet to the tiles.
RenderStates states = new RenderStates(TILE_SHEET);
// Get the player's current position.
Vector2f playerPosition = player.getPosition();
// Get the window's current size.
Vector2i windowSize = WINDOW.getSize();
// Determine how many tiles fit the window horizontally and vertically taking zoom into account,
// then halve
// both values.
int xDistance = (int) Math.ceil(windowSize.x / (TILE_SIZE * 2 / ZOOM));
int yDistance = (int) Math.ceil(windowSize.y / (TILE_SIZE * 2 / ZOOM));
Vector2f distance = new Vector2f(xDistance + 1, yDistance + 1);
// Create a rectangle representing the positions currently viewable by the player.
FloatRect visibleArea =
new FloatRect(
playerPosition.x - distance.x,
playerPosition.y - distance.y,
distance.x * 2,
distance.y * 2);
// Create a set to keep track of the already rendered chunks.
Set<Integer> renderedChunks = new HashSet<Integer>();
// Loop through every position currently in view.
for (float i = visibleArea.left; i <= visibleArea.left + visibleArea.width; i++) {
for (float j = visibleArea.top; j <= visibleArea.top + visibleArea.height; j++) {
// Convert the current position to a chunk ID.
int chunkID = positionToChunkID(new Vector2f(i, j));
// If the chunk is valid and hasn't been drawn yet, draw it.
if (isValidChunkID(chunkID) && !renderedChunks.contains(chunkID)) {
// Draw the chunk vertex array with the tile sheet.
VERTEX_ARRAYS[chunkID][0].draw(renderTarget, states);
if (adjustedFrame > 0) {
VERTEX_ARRAYS[chunkID][adjustedFrame].draw(renderTarget, states);
}
// Add the drawn chunk ID to the set to check against in order to save resources by not
// drawing
// it twice.
renderedChunks.add(chunkID);
}
}
}
}