117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
// ------------------------------------------------------------------------
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// osc-gen-file.cpp: Generic oscillator using envelope presets
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// Copyright (C) 1999-2002,2004,2007 Kai Vehmanen
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//
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// Attributes:
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// eca-style-version: 3
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//
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// This program is fre software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; 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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// ------------------------------------------------------------------------
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#include <cstdlib>
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#include <vector>
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#include <string>
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#include <kvu_numtostr.h>
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#include <kvu_utils.h>
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#include "resource-file.h"
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#include "eca-resources.h"
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#include "osc-gen-file.h"
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#include "eca-logger.h"
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GENERIC_OSCILLATOR_FILE::GENERIC_OSCILLATOR_FILE(double freq, int mode)
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: GENERIC_OSCILLATOR(freq, mode)
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{
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set_parameter(1, get_parameter(1));
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set_parameter(2, mode);
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}
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GENERIC_OSCILLATOR_FILE::~GENERIC_OSCILLATOR_FILE (void)
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{
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}
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void GENERIC_OSCILLATOR_FILE::get_oscillator_preset(int preset)
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{
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ECA_RESOURCES ecarc;
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ECA_LOG_MSG(ECA_LOGGER::system_objects, "Opening genosc envelope file.");
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std::string user_filename =
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ecarc.resource("user-resource-directory") + "/" + ecarc.resource("resource-file-genosc-envelopes");
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std::string pname = kvu_numtostr(preset);
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RESOURCE_FILE rc;
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rc.resource_file(user_filename);
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rc.load();
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if (rc.has(pname) != true) {
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std::string global_filename =
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ecarc.resource("resource-directory") + "/" + ecarc.resource("resource-file-genosc-envelopes");
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rc.resource_file(global_filename);
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rc.load();
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}
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if (rc.has(pname) == true) {
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parse_envelope(rc.resource(pname));
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}
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else {
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ECA_LOG_MSG(ECA_LOGGER::info, "ERROR: Oscillator preset " + pname + " not found!");
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}
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}
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void GENERIC_OSCILLATOR_FILE::parse_envelope(const std::string& str)
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{
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std::vector<std::string> tokens = kvu_string_to_words(str);
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if (tokens.size() > 0) {
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set_start_value(atof(tokens[0].c_str()));
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if (tokens.size() > 1) {
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set_end_value(atof(tokens[1].c_str()));
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ienvelope_rep.resize(tokens.size() - 2);
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for(unsigned int n = 2; n < tokens.size(); n++) {
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ienvelope_rep[n - 2] = atof(tokens[n].c_str());
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}
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}
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}
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prepare_envelope();
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}
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void GENERIC_OSCILLATOR_FILE::set_parameter(int param, CONTROLLER_SOURCE::parameter_t value)
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{
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switch (param) {
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case 1:
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case 2:
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GENERIC_OSCILLATOR::set_parameter(param, value);
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break;
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case 3:
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preset_rep = static_cast<int>(value);
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get_oscillator_preset(preset_rep);
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break;
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}
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}
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CONTROLLER_SOURCE::parameter_t GENERIC_OSCILLATOR_FILE::get_parameter(int param) const
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{
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switch (param) {
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case 1:
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case 2:
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return GENERIC_OSCILLATOR::get_parameter(param);
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case 3:
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return static_cast<parameter_t>(preset_rep);
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}
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return 0.0;
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}
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