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