swf2ass/src/DisplayEntry.php

<?php

namespace swf2ass;


class DisplayEntry {
    public $object;
    public $currentColorTransform = null;
    public $currentTransform = null;
    /** @var FrameInformation[] */
    public $frames = [];
    public $startFrame;
    public $depth;
    public $clipDepth = 0;

    public function getLines(CurrentState $currentState) {
        if ($this->clipDepth > 0) {
            return [];
        }
        if ($this->depth != 2) {
            //return  [];
        }

        if($currentState->frameOffset === null){
            return [];
        }
        $dialogue = [];

        $startFrame = $this->startFrame - $currentState->frameOffset;

        $frameList = [];
        foreach ($this->frames as $frame => $info){
            $fn = $frame - $currentState->frameOffset;
            if($fn < 0){
                continue;
            }
            $frameList[$fn] = clone $info;
            $frameList[$fn]->frame = $fn;
        }

        if(count($frameList) === 0){
            return [];
        }

        $startTime = $startFrame * (1 / $currentState->frameRate);
        $endTime = ($startFrame + 1) * (1 / $currentState->frameRate);


        if ($this->object instanceof ObjectDefinition) {
            $shapeDef = $this->object;

            foreach ($shapeDef->getShapeList()->commands as $path){
                $currentFrameStyles = [new StyleContainer()];

                if($path->style instanceof LineStyleRecord){ //Stroke
                    $currentFrameStyles[0]->original_color3 = $currentFrameStyles[0]->color3 = $path->style->color;
                    $currentFrameStyles[0]->bord = round($path->style->width / TWIP_SIZE, 1);
                }else if($path->style instanceof FillStyleRecord){ //Fill
                    $currentFrameStyles[0]->original_color1 = $currentFrameStyles[0]->color1 = $path->style->fill instanceof Gradient ? $path->style->fill->getItems()[0]->color : $path->style->fill; //TODO: gradient?
                }

                $currentFrameStyles[0]->shad = 0;

                $assLine = "{\\an7\\shad0\\p1}";

                foreach ($path->commands->edges as $edge) {
                    if ($edge instanceof MoveRecord) {
                        $coords = $edge->coord->toPixel();
                        $assLine .= "m " . round($coords->x, 2) . " " . round($coords->y, 2) . " ";
                    } else if ($edge instanceof LineRecord) {
                        $coords = $edge->coord->toPixel();
                        $assLine .= "l " . round($coords->x, 2) . " " . round($coords->y, 2) . " ";
                    } else if ($edge instanceof QuadraticCurveRecord) {
                        $edge = CubicCurveRecord::fromQuadraticRecord($edge);

                        $control1 = $edge->control1->toPixel();
                        $control2 = $edge->control2->toPixel();
                        $anchor = $edge->anchor->toPixel();
                        $assLine .= "b " . round($control1->x, 2) . " " . round($control1->y, 2) . " " . round($control2->x, 2) . " " . round($control2->y, 2) . " " . round($anchor->x, 2) . " " . round($anchor->y, 2) . " ";
                    } else if ($edge instanceof CubicCurveRecord) {
                        $control1 = $edge->control1->toPixel();
                        $control2 = $edge->control2->toPixel();
                        $anchor = $edge->anchor->toPixel();
                        $assLine .= "b " . round($control1->x, 2) . " " . round($control1->y, 2) . " " . round($control2->x, 2) . " " . round($control2->y, 2) . " " . round($anchor->x, 2) . " " . round($anchor->y, 2) . " ";
                    }
                }


                $assLine .= "{\\p0}";

                $lastLineStart = $startTime;
                $lastFrameStart = $startFrame;

                $debugInfo = "oid:".$shapeDef->getId();

                $savedFrameStyles = $currentFrameStyles;

                $af = 0;
                $frames = 0;
                foreach ($frameList as $frame => $frameInformation) {
                    $currentTime = $frame * (1 / $currentState->frameRate);
                    $endCurrentTime = $currentTime + (1 / $currentState->frameRate);
                    if ($endCurrentTime > $endTime) {
                        $endTime = $endCurrentTime;
                    }

                    $lastStyle = end($currentFrameStyles);
                    $frameStyle = clone $lastStyle;
                    $frameStyle->resetTransformedStyles();
                    if ($frameInformation->transform instanceof MatrixTransform) {
                        $frameInformation->transform->applyToStyleContainer($frameStyle);
                    }
                    if ($frameInformation->colorTransform instanceof ColorTransform) {
                        $frameInformation->colorTransform->applyToStyleContainer($frameStyle);
                    }

                    $lastSavedStyle = end($savedFrameStyles);
                    $savedStyle = clone $lastSavedStyle;
                    $savedStyle->resetTransformedStyles();
                    if ($frameInformation->transform instanceof MatrixTransform) {
                        $frameInformation->transform->applyToStyleContainer($savedStyle);
                    }
                    if ($frameInformation->colorTransform instanceof ColorTransform) {
                        $frameInformation->colorTransform->applyToStyleContainer($savedStyle);
                    }

                    if ($frames === 0) {
                        $currentFrameStyles[array_key_last($currentFrameStyles)] = $frameStyle;
                    } else if (!$lastStyle->isEqualish($frameStyle)) {
                        if (ADVANCED_MOTION_INTERPOLATION) {
                            $transition = $lastStyle->doTransitionTo($frameStyle, $frame, $frame, max(0, $frame - 1), $frame);
                        } else {
                            $transition = $lastStyle->doTransitionTo($frameStyle, $frame, $frame, $frame, $frame);
                        }
                        if ($transition === false) {
                            $assHeader = "Dialogue: {$this->depth}," . Utils::timeToStamp($lastLineStart) . "," . Utils::timeToStamp($currentTime) . ",f,$debugInfo,0,0,0,af:" . ($af++) . ",";
                            foreach ($currentFrameStyles as $i => $style) {
                                $assHeader .= "{" . $style->toString($lastFrameStart, (1 / $currentState->frameRate), $currentFrameStyles[$i - 1] ?? null, $i === 0) . "}";
                            }
                            $dialogue[] = $assHeader . $assLine;

                            $lastLineStart = $currentTime;
                            $lastFrameStart = $frame;
                            $currentFrameStyles = [$savedStyle];
                        } else if ($transition instanceof StyleContainer) {
                            $currentFrameStyles[] = $transition;
                            $savedFrameStyles[] = $savedStyle;
                        }
                    }
                    ++$frames;
                }

                $assHeader = "Dialogue: {$this->depth}," . Utils::timeToStamp($lastLineStart) . "," . Utils::timeToStamp($endTime) . ",f,$debugInfo,0,0,0,af:" . ($af++) . ",";
                foreach ($currentFrameStyles as $i => $style) {
                    $assHeader .= "{" . $style->toString($lastFrameStart, (1 / $currentState->frameRate), $currentFrameStyles[$i - 1] ?? null, $i === 0) . "}";
                }
                $dialogue[] = $assHeader . $assLine;

            }
        }


        return $dialogue;
    }

}