Examples with Tile org.pepsoft.worldpainter.Tile used on opensource projects

Example 31 with Tile

use of org.pepsoft.worldpainter.Tile in project WorldPainter by Captain-Chaos.

the class NibbleLayerPaint method remove.

@Override
public void remove(Dimension dimension, int centreX, int centreY, float dynamicLevel) {
    if (brush.getRadius() == 0) {
        // Special case: if the radius is 0, assume that the user wants to remove complete pixels instead of trying
        // to apply the brush
        removePixel(dimension, centreX, centreY);
        return;
    }
    final int effectiveRadius = brush.getEffectiveRadius();
    final int x1 = centreX - effectiveRadius, y1 = centreY - effectiveRadius, x2 = centreX + effectiveRadius, y2 = centreY + effectiveRadius;
    final int tileX1 = x1 >> TILE_SIZE_BITS, tileY1 = y1 >> TILE_SIZE_BITS, tileX2 = x2 >> TILE_SIZE_BITS, tileY2 = y2 >> TILE_SIZE_BITS;
    if ((tileX1 == tileX2) && (tileY1 == tileY2)) {
        // The bounding box of the brush is entirely on one tile; optimize by painting directly to the tile
        final Tile tile = dimension.getTileForEditing(tileX1, tileY1);
        if (tile == null) {
            return;
        }
        final int x1InTile = x1 & TILE_SIZE_MASK, y1InTile = y1 & TILE_SIZE_MASK, x2InTile = x2 & TILE_SIZE_MASK, y2InTile = y2 & TILE_SIZE_MASK;
        final int tileXInWorld = tileX1 << TILE_SIZE_BITS, tileYInWorld = tileY1 << TILE_SIZE_BITS;
        for (int y = y1InTile; y <= y2InTile; y++) {
            for (int x = x1InTile; x <= x2InTile; x++) {
                final int currentValue = tile.getLayerValue(layer, x, y);
                final float strength = dynamicLevel * getFullStrength(centreX, centreY, tileXInWorld + x, tileYInWorld + y);
                if (strength != 0f) {
                    int targetValue = 14 - (int) (strength * 14 + 0.5f);
                    if (targetValue < currentValue) {
                        tile.setLayerValue(layer, x, y, targetValue);
                    }
                }
            }
        }
    } else {
        // The bounding box of the brush straddles more than one tile; paint to the dimension
        for (int y = y1; y <= y2; y++) {
            for (int x = x1; x <= x2; x++) {
                final int currentValue = dimension.getLayerValueAt(layer, x, y);
                final float strength = dynamicLevel * getFullStrength(centreX, centreY, x, y);
                if (strength != 0f) {
                    int targetValue = 14 - (int) (strength * 14 + 0.f);
                    if (targetValue < currentValue) {
                        dimension.setLayerValueAt(layer, x, y, targetValue);
                    }
                }
            }
        }
    }
}