<?php
    $snowRange = $plugin->getOption("range");

    echo "<format textcolor=\"" . $plugin->getOption("particle_color") . "\"/>";
    for($i=0;$i<$plugin->getOption("particle_count");$i++){
        echo "<label id=\"plugin_snow_" . $i . "\" text=\"" . $plugin->getOption("particle") . "\" textsize=\"" . $plugin->getOption("particle_size") . "\" posn=\"" . rand($snowRange["minX"] - 10, $snowRange["maxX"] + 10) . " " . rand($snowRange["maxY"], $snowRange["maxY"] + 190) . " 0\"/>";
    }

    Maniascript::includeLibrary("MathLib", "MathLib");
    Maniascript::addStaticCode(ManiascriptHook::Functions, "
        Void updateTimePerFrame(){
            declare Integer lastFrameTimestamp for Page;
            declare Integer timePerFrame for Page;
            timePerFrame = (CurrentTime - lastFrameTimestamp);
            lastFrameTimestamp = CurrentTime;
        }

        Void simulateWind(Integer i){
            declare Real snowPositionX for Page;
            declare Real wind = ". $plugin->getOption("wind") . " * 1.;
            snowPositionX += (wind / 100);
        }

        Void simulateTumbling(Integer i, Real h){
            declare Real snowPositionX for Page;
            declare Real snowTumblingForce for Page;
            snowPositionX += (MathLib::Sin(h) * snowTumblingForce);
        }

        Void moveFlakesVertical(Integer i){
            declare Real snowPositionY for Page;
            declare Real SnowFallSpeed for Page;
            declare Integer timePerFrame for Page;
            declare Real moveDistance = (timePerFrame * (SnowFallSpeed / 1000.0));
            snowPositionY -= moveDistance;

        }

        Void testOnBottom(Integer i){
            declare Real snowPositionX for Page;
            declare Real snowPositionY for Page;
            if(-90 > snowPositionY){
                snowPositionX = MathLib::Rand(" . ($snowRange["minX"] - 10) . ", " . ($snowRange["maxX"] + 10) . ") * 1.;
                snowPositionY = MathLib::Rand(" . $snowRange["maxY"] . ", " . ($snowRange["maxY"] + 10) . ") * 1.;
            }
        }

        Void snowEventLoop(){
            declare Real snowMovementHorizontal for Page;
            declare Real snowPositionX for Page;
            declare Real snowPositionY for Page;
            declare Integer snowflakeCount for Page;
            for(i,0, snowflakeCount - 1){
                declare CGameManialinkLabel snowflake = (Page.GetFirstChild(\"plugin_snow_\" ^ i) as CGameManialinkLabel);
                snowPositionX = snowflake.PosnX;
                snowPositionY = snowflake.PosnY;
                testOnBottom(i);
                moveFlakesVertical(i);
                simulateTumbling(i, snowMovementHorizontal);
                simulateWind(i);
                snowflake.PosnX = snowPositionX;
                snowflake.PosnY = snowPositionY;
                snowMovementHorizontal += 0.1;
                if(snowMovementHorizontal == " . ($snowRange["maxX"] + 20) . ".){ snowMovementHorizontal = 0.; }
            }
        }

        Void runSnow(){
            snowEventLoop();
            updateTimePerFrame();
        }

        Void initiateSnow(){
            declare Integer lastFrameTimestamp for Page = CurrentTime;
            declare Real snowPositionX for Page = 0.;
            declare Real snowPositionY for Page = 0.;
            declare Real snowMovementHorizontal for Page = 0.;
            declare Real snowTumblingForce for Page = " . $plugin->getOption("tumbling") . " * 1.;
            declare Real SnowFallSpeed for Page = ". $plugin->getOption("speed") . " * 1.;
            declare Integer snowflakeCount for Page = " . $plugin->getOption("particle_count") . ";
        }");
    Maniascript::addStaticCode(ManiascriptHook::Start, "initiateSnow();");
    Maniascript::addStaticCode(ManiascriptHook::EachFrame, "runSnow();");
?>