swf2ass/src/ViewLayout.php

<?php

namespace swf2ass;


class ViewLayout {
    private ?ViewLayout $parent;

    /** @var ViewLayout[] */
    private array $depthMap = [];

    private ?ObjectDefinition $object;

    private ?ColorTransform $colorTransform = null;
    private ?MatrixTransform $matrixTransform = null;

    private int $objectId;

    public function __construct(int $objectId, ?ObjectDefinition $object, ?ViewLayout $parent = null) {
        $this->objectId = $objectId;
        if ($object !== null and $objectId !== $object->getObjectId()) {
            throw new \LogicException();
        }
        $this->parent = $parent;
        $this->object = $object;
    }

    public function getObjectId(): int {
        return $this->object !== null ? $this->object->getObjectId() : -1;
    }

    public function getObject(): ?ObjectDefinition {
        return $this->object;
    }

    /**
     * @return ViewLayout[]
     */
    public function getDepthMap(): array {
        return $this->depthMap;
    }

    public function get(int $depth): ?ViewLayout {
        return $this->depthMap[$depth] ?? null;
    }

    public function place(int $depth, ViewLayout $ob) {
        if ($this->object !== null) {
            throw new \LogicException("Cannot have ObjectDefinition and children at the same time");
        }
        if (isset($this->depthMap[$depth]) and $this->depthMap[$depth] !== $ob) {
            throw new \Exception("Depth $depth already exists: tried replacing object " . $this->depthMap[$depth]->getObjectId() . " with " . $ob->getObjectId());
        }
        $this->depthMap[$depth] = $ob;
    }

    public function replace(int $depth, ViewLayout $ob) {
        if ($this->object !== null) {
            throw new \LogicException("Cannot have ObjectDefinition and children at the same time");
        }
        $oldObject = $this->get($depth);
        if ($oldObject !== null) {
            $ob->colorTransform = $ob->colorTransform ?? $oldObject->colorTransform;
            $ob->matrixTransform = $ob->matrixTransform ?? $oldObject->matrixTransform;
        }
        $this->depthMap[$depth] = $ob;
    }

    public function remove(int $depth) {
        unset($this->depthMap[$depth]);
    }

    public function hasFrame(): bool {
        if ($this->object !== null) {
            if ($this->object instanceof MultiFrameObjectDefinition) {
                if ($this->object->hasFrame()) {
                    return true;
                }
            }
        } else {
            foreach ($this->depthMap as $ob) {
                if ($ob->hasFrame()) {
                    return true;
                }
            }
        }

        //TODO

        return false;
    }

    public function getMatrixTransform(): ?MatrixTransform {
        return $this->matrixTransform;
    }

    public function getColorTransform(): ?ColorTransform {
        return $this->colorTransform;
    }

    public function setMatrixTransform(?MatrixTransform $transform) {
        $this->matrixTransform = $transform;
    }

    public function setColorTransform(?ColorTransform $transform) {
        $this->colorTransform = $transform;
    }

    public function nextFrame(ActionList $actionList): ViewFrame {
        if ($this->object !== null) {
            if ($this->object instanceof MultiFrameObjectDefinition) {
                $frame = $this->object->nextFrame();
            } else {
                $frame = new ViewFrame($this->getObjectId(), $this->object->getShapeList());
            }
        } else {
            $frame = new ViewFrame($this->getObjectId(), null);
            /** @var ClippingViewLayout[] $clipMap */
            $clipMap = [];

            ksort($this->depthMap);

            foreach ($this->depthMap as $depth => $child) {
                if ($child instanceof ClippingViewLayout) {
                    $clipMap[$depth] = $child;
                } else {
                    /** @var ViewFrame[] $clips */
                    $clips = []; //TODO: make something else?
                    foreach ($clipMap as $clipDepth => $clip) {
                        //$targetDepth = $clip->getClipDepth() + $clipDepth;
                        if ($clip->getClipDepth() > $depth and $clipDepth < $depth) {
                            $clips[$clipDepth] = $clip->nextFrame($actionList);
                        }
                    }

                    $f = $child->nextFrame($actionList);
                    if (count($clips) > 0) {
                        $f->setClipDepthMap($clips);
                    }
                    $frame->addChild($depth, $f);
                }
            }
        }

        $frame->setColorTransform($this->colorTransform);
        $frame->setMatrixTransform($this->matrixTransform);

        return $frame;
    }
}