gfiber / vendor / opensource / projectM / b82e9b0d19af7e840f567433c3273422c3aa3c4f / . / src / libprojectM / MilkdropPresetFactory / PerFrameEqn.hpp

/** | |

* projectM -- Milkdrop-esque visualisation SDK | |

* Copyright (C)2003-2007 projectM Team | |

* | |

* This library is free software; you can redistribute it and/or | |

* modify it under the terms of the GNU Lesser General Public | |

* License as published by the Free Software Foundation; either | |

* version 2.1 of the License, or (at your option) any later version. | |

* | |

* This library is distributed in the hope that it will be useful, | |

* but WITHOUT ANY WARRANTY; without even the implied warranty of | |

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |

* Lesser General Public License for more details. | |

* | |

* You should have received a copy of the GNU Lesser General Public | |

* License along with this library; if not, write to the Free Software | |

* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |

* See 'LICENSE.txt' included within this release | |

* | |

*/ | |

/** | |

* $Id$ | |

* | |

* Per-frame equation | |

* | |

* $Log$ | |

*/ | |

#ifndef _PER_FRAME_EQN_H | |

#define _PER_FRAME_EQN_H | |

#define PER_FRAME_EQN_DEBUG 0 | |

class GenExpr; | |

class Param; | |

class PerFrameEqn; | |

class PerFrameEqn { | |

public: | |

int index; /* a unique id for each per frame eqn (generated by order in preset files) */ | |

Param *param; /* parameter to be assigned a value */ | |

GenExpr *gen_expr; /* expression that paremeter is equal to */ | |

PerFrameEqn(int index, Param * param, GenExpr * gen_expr); | |

~PerFrameEqn(); | |

/// Evaluate the per frame equation | |

void evaluate(); | |

}; | |

#endif /** !_PER_FRAME_EQN_H */ |