| /** |
| * projectM -- Milkdrop-esque visualisation SDK |
| * Copyright (C)2003-2004 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 |
| * |
| */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| #include <cassert> |
| #include "fatal.h" |
| #include "Common.hpp" |
| |
| #include "CustomWave.hpp" |
| #include "Eval.hpp" |
| #include "Expr.hpp" |
| #include "Param.hpp" |
| #include "PerPixelEqn.hpp" |
| #include "PerPointEqn.hpp" |
| #include <map> |
| #include <iostream> |
| #include "wipemalloc.h" |
| |
| |
| /* Evaluates a per point equation for the current custom wave given by interface_wave ptr */ |
| void |
| PerPointEqn::evaluate(int i) |
| { |
| float * param_matrix; |
| GenExpr * eqn_ptr; |
| |
| // samples = CustomWave::interface_wave->samples; |
| |
| eqn_ptr = gen_expr; |
| |
| if (param->matrix == NULL) |
| { |
| assert(param->matrix_flag == false); |
| (*(float*)param->engine_val) = eqn_ptr->eval_gen_expr(i,-1); |
| |
| return; |
| } |
| else |
| { |
| param_matrix = (float*)param->matrix; |
| |
| // -1 is because per points only use one dimension |
| param_matrix[i] = eqn_ptr->eval_gen_expr(i, -1); |
| |
| |
| /* Now that this parameter has been referenced with a per |
| point equation, we let the evaluator know by setting |
| this flag */ |
| |
| if (!param->matrix_flag) |
| param->matrix_flag = true; |
| } |
| } |
| |
| PerPointEqn::PerPointEqn(int _index, Param * _param, GenExpr * _gen_expr, int _samples) |
| : index(_index), |
| samples(_samples), |
| param(_param), |
| gen_expr(_gen_expr) |
| {} |
| |
| |
| PerPointEqn::~PerPointEqn() |
| { |
| delete gen_expr; |
| } |