src/mirror_system.cpp


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#include "mirror_system.h"
#include "game.h"
#include "transform_system.h"
#include "animation_system.h"
#include "vector.h"
#include "sprite.h"

void MirrorSystem::tick(double dt) {
  for (int spriteId : game_.getSprites()) {
    Sprite& sprite = game_.getSprite(spriteId);
    if (!sprite.paused) {
      switch (sprite.mirrorType) {
        case MirrorType::None: break;
        case MirrorType::Vertical: {
          Sprite& mirroredSprite = game_.getSprite(sprite.mirroredSpriteId);

          vec2i mirroredLoc = mirroredSprite.loc;
          mirroredLoc.y() = 2 * sprite.mirrorAxis - mirroredLoc.y();

          game_.getSystem<TransformSystem>().moveSprite(spriteId, mirroredLoc);
          game_.getSystem<AnimationSystem>().setSpriteAnimation(spriteId, mirroredSprite.animationName);
          game_.getSystem<AnimationSystem>().setSpriteDirection(spriteId, directionMirroredVertically(mirroredSprite.dir));

          break;
        }
      }
    }
  }
}