var EventControl = {};


EventControl.spawnBird = function(bird, levelData) {
    if (levelData.birdFrequency > 0 && !bird.visible) {
        if (Math.random() < levelData.birdFrequency) {
            bird.timeSinceShit = levelData.birdShitRate+2
            bird.dragForce = 0;
            bird.visible = true;
            bird.x = 800/levelData.scale;
        }
    }
}


EventControl.spawnRain = function(rain, levelData) {
    if (levelData.rainFrequency > 0 && !rain.visible) {
        if (Math.random() < levelData.rainFrequency) {
            rain.dragForce = 0;
            rain.timeSinceSpawn = 0;
            rain.visible = true;
            rain.x = -400/levelData.scale;
        }
    }
}

EventControl.controlBird = function(bird, levelData, fdelta, layer) {
    if (levelData.birdFrequency == 0 || !bird.visible || bird.dragging) return;

    if (bird.x < -400/levelData.scale || bird.dragForce > 0 && bird.x > 800/levelData.scale) {
        bird.visible = false;
        return;
    }

    bird.timeSinceShit -= fdelta;
    var chibis = AiComponent.children;
    if (bird.timeSinceShit < 0) {
        for (var i=0; i<chibis.length; i++) {
            if (chibis[i].dragging) continue;

            var dx = Math.abs(chibis[i].x - bird.x);

            if (dx < 10) {
                var chibi_ = chibis[i];
                var shit = new createjs.Bitmap(loader.getResult('img_levelShit'));
                shit.regX = 35;
                shit.x = bird.x;
                shit.y = bird.y+10;
                layer.addChild(shit);
                createjs.Tween.get(shit)
                    .to({y:314}, 500, createjs.Ease.cubicIn)
                    .call(function() {
                        chibi_.shitted = true;
                        registry.chatQueue.push([chibi_, 'hate']);
                    })
                    .to({alpha:0, scaleX:2, scaleY:2}, 200)
                    .call(function() {
                        layer.removeChild(shit);
                    });
                bird.timeSinceShit = levelData.birdShitRate;
                break;
            }
        }
    }

}

EventControl.controlRain = function(rain, levelData, fdelta, layer) {
    if (levelData.rainFrequency == 0 || !rain.visible || rain.dragging) return;

    if (rain.x > 900/levelData.scale || rain.dragForce > 0 && rain.x < -400/levelData.scale) {
        rain.visible = false;
        return;
    }

    rain.timeSinceSpawn += fdelta;
    if (rain.dragForce > 5 || rain.timeSinceSpawn < 4.0) return

    var chibis = AiComponent.children;
    for (var i=0; i<chibis.length; i++) {
        var chibi = chibis[i];
        if (chibi.wet || chibi.dragging) continue;
        
        var dx = Math.abs(chibi.x - rain.x);

        if (dx < 240) {
            chibi.wet = true;
            registry.chatQueue.push([chibi, 'hate']);
        }
    }
}