200 lines
5.0 KiB
C++
200 lines
5.0 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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/* Basic Parameter Functions */
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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 <math.h>
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#include "fatal.h"
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#include "Common.hpp"
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#include "CustomShape.hpp"
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#include "Eval.hpp"
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#include "Expr.hpp"
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#include "InitCond.hpp"
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#include "Param.hpp"
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#include "Preset.hpp"
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#include <map>
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#include <iostream>
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#include <cassert>
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/** Constructor */
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Param::Param( std::string _name, short int _type, short int _flags, void * _engine_val, void * _matrix,
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CValue _default_init_val, CValue _upper_bound, CValue _lower_bound):
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name(_name),
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type(_type),
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flags (_flags),
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matrix_flag (0),
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engine_val(_engine_val),
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matrix (_matrix),
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default_init_val (_default_init_val),
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upper_bound (_upper_bound),
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lower_bound (_lower_bound)
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{
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}
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/* Creates a user defined parameter */
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Param::Param(std::string _name) :
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name(_name),
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type(P_TYPE_DOUBLE),
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flags(P_FLAG_USERDEF),
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matrix_flag(0),
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matrix(0)
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{
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engine_val = new float();
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default_init_val.float_val = DEFAULT_DOUBLE_IV;
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upper_bound.float_val = DEFAULT_DOUBLE_UB;
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lower_bound.float_val = DEFAULT_DOUBLE_LB;
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/// @note may have fixed a recent bug. testing
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*((float*)engine_val) = default_init_val.float_val;
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}
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/* Free's a parameter type */
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Param::~Param() {
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// I hate this, but will let it be for now
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if (flags & P_FLAG_USERDEF) {
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delete((double*)engine_val);
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}
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if (PARAM_DEBUG) printf("~Param: freeing \"%s\".\n", name.c_str());
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}
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/* Returns nonzero if the string is valid parameter name */
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bool Param::is_valid_param_string( const char * string ) {
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if (string == NULL)
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return false;
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/* This ensures the first character is non numeric */
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if ( ((*string) >= 48) && ((*string) <= 57))
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return false;
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/* These probably should never happen */
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if (*string == '.')
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return false;
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if (*string == '+')
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return false;
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if (*string == '-')
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return false;
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/* Could also add checks for other symbols. May do later */
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return true;
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}
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/* Loads a float parameter into the builtin database */
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Param * Param::new_param_float(const char * name, short int flags, void * engine_val, void * matrix,
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float upper_bound, float lower_bound, float init_val) {
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Param * param;
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CValue iv, ub, lb;
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assert(engine_val);
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iv.float_val = init_val;
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ub.float_val = upper_bound;
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lb.float_val = lower_bound;
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if ((param = new Param(name, P_TYPE_DOUBLE, flags, engine_val, matrix,iv, ub, lb)) == NULL)
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return NULL;
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/* Finished, return success */
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return param;
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}
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/* Creates a new parameter of type int */
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Param * Param::new_param_int(const char * name, short int flags, void * engine_val,
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int upper_bound, int lower_bound, int init_val) {
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Param * param;
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CValue iv, ub, lb;
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assert(engine_val);
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iv.int_val = init_val;
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ub.int_val = upper_bound;
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lb.int_val = lower_bound;
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if ((param = new Param(name, P_TYPE_INT, flags, engine_val, NULL, iv, ub, lb)) == NULL)
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return NULL;
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/* Finished, return success */
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return param;
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}
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/* Creates a new parameter of type bool */
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Param * Param::new_param_bool(const char * name, short int flags, void * engine_val,
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bool upper_bound, bool lower_bound, bool init_val) {
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Param * param;
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CValue iv, ub, lb;
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assert(engine_val);
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iv.bool_val = init_val;
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ub.bool_val = upper_bound;
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lb.bool_val = lower_bound;
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if ((param = new Param(name, P_TYPE_BOOL, flags, engine_val, NULL, iv, ub, lb)) == NULL)
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return NULL;
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/* Finished, return success */
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return param;
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}
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/* Creates a new parameter of type string */
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Param * Param::new_param_string(const char * name, short int flags, void * engine_val) {
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Param * param;
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CValue iv, ub, lb;
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assert(engine_val);
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iv.bool_val = 0;
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ub.bool_val = 0;
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lb.bool_val = 0;
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if ((param = new Param(name, P_TYPE_STRING, flags, engine_val, NULL, iv, ub, lb)) == NULL)
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return NULL;
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/* Finished, return success */
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return param;
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}
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