68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/**
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* projectM -- Milkdrop-esque visualisation SDK
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* Copyright (C)2003-2004 projectM Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* See 'LICENSE.txt' included within this release
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "fatal.h"
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#include "Common.hpp"
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#include "Param.hpp"
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#include "PerFrameEqn.hpp"
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#include "Eval.hpp"
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#include "Expr.hpp"
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#include "wipemalloc.h"
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#include <cassert>
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/* Evaluate an equation */
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void PerFrameEqn::evaluate() {
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if (PER_FRAME_EQN_DEBUG) {
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printf("per_frame_%d=%s= ", index, param->name.c_str());
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fflush(stdout);
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}
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//*((float*)per_frame_eqn->param->engine_val) = eval_gen_expr(per_frame_eqn->gen_expr);
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assert(gen_expr);
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assert(param);
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param->set_param(gen_expr->eval_gen_expr(-1,-1));
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if (PER_FRAME_EQN_DEBUG) printf(" = %.4f\n", *((float*)param->engine_val));
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}
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/* Frees perframe equation structure. Warning: assumes gen_expr pointer is not freed by anyone else! */
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PerFrameEqn::~PerFrameEqn() {
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delete gen_expr;
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// param is freed in param_tree container of some other class
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}
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/* Create a new per frame equation */
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PerFrameEqn::PerFrameEqn(int _index, Param * _param, GenExpr * _gen_expr) :
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index(_index), param(_param), gen_expr(_gen_expr) {}
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