886 lines
34 KiB
C++
886 lines
34 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define _USE_MATH_DEFINES
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#include "gui.h"
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#include "plot_nolerp.h"
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#include "IconsFontAwesome4.h"
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#include "misc/cpp/imgui_stdlib.h"
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#include <fmt/printf.h>
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#include <math.h>
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#include <imgui.h>
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const char* waveGenBaseShapes[4]={
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"Sine",
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"Triangle",
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"Saw",
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"Pulse"
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};
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const char* waveInterpolations[4]={
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"None",
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"Linear",
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"Cosine",
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"Cubic"
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};
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const float multFactors[17]={
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M_PI,
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2*M_PI,
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4*M_PI,
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6*M_PI,
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8*M_PI,
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10*M_PI,
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12*M_PI,
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14*M_PI,
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16*M_PI,
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18*M_PI,
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20*M_PI,
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22*M_PI,
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24*M_PI,
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26*M_PI,
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28*M_PI,
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30*M_PI,
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32*M_PI,
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};
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void FurnaceGUI::doGenerateWave() {
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float finalResult[256];
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if (curWave<0 || curWave>=(int)e->song.wave.size()) return;
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DivWavetable* wave=e->song.wave[curWave];
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memset(finalResult,0,sizeof(float)*256);
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if (wave->len<2) return;
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if (waveGenFM) {
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float s0fb0=0;
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float s0fb1=0;
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float s1fb0=0;
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float s1fb1=0;
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float s2fb0=0;
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float s2fb1=0;
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float s3fb0=0;
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float s3fb1=0;
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for (int i=0; i<wave->len; i++) {
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float pos=(float)i/(float)wave->len;
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float s0=sin((pos+(waveGenFB[0]?((s0fb0+s0fb1)*pow(2.0f,waveGenFB[0]-8)):0.0f))*multFactors[waveGenMult[0]])*waveGenTL[0];
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s0fb0=s0fb1;
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s0fb1=s0;
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float s1=sin((pos+(waveGenFB[1]?((s1fb0+s1fb1)*pow(2.0f,waveGenFB[1]-8)):0.0f)+(waveGenFMCon1[0]?s0:0.0f))*multFactors[waveGenMult[1]])*waveGenTL[1];
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s1fb0=s1fb1;
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s1fb1=s1;
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float s2=sin((pos+(waveGenFB[2]?((s2fb0+s2fb1)*pow(2.0f,waveGenFB[2]-8)):0.0f)+(waveGenFMCon1[1]?s0:0.0f)+(waveGenFMCon2[0]?s1:0.0f))*multFactors[waveGenMult[2]])*waveGenTL[2];
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s2fb0=s2fb1;
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s2fb1=s2;
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float s3=sin((pos+(waveGenFB[3]?((s3fb0+s3fb1)*pow(2.0f,waveGenFB[3]-8)):0.0f)+(waveGenFMCon1[2]?s0:0.0f)+(waveGenFMCon2[1]?s1:0.0f)+(waveGenFMCon3[0]?s2:0.0f))*multFactors[waveGenMult[3]])*waveGenTL[3];
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s3fb0=s3fb1;
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s3fb1=s3;
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if (waveGenFMCon1[3]) finalResult[i]+=s0;
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if (waveGenFMCon2[2]) finalResult[i]+=s1;
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if (waveGenFMCon3[1]) finalResult[i]+=s2;
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finalResult[i]+=s3;
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}
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} else {
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switch (waveGenBaseShape) {
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case 0: // sine
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for (int i=0; i<wave->len; i++) {
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for (int j=0; j<16; j++) {
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float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
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float partial=sin((0.5+pos)*2.0*M_PI/(double)wave->len);
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partial=pow(partial,waveGenPower);
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partial*=waveGenAmp[j];
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finalResult[i]+=partial;
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}
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}
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break;
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case 1: // triangle
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for (int i=0; i<wave->len; i++) {
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for (int j=0; j<16; j++) {
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float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
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float partial=4.0*(0.5-fabs(0.5-(pos/(double)(wave->len-1))))-1.0;
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partial=pow(partial,waveGenPower);
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partial*=waveGenAmp[j];
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finalResult[i]+=partial;
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}
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}
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break;
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case 2: // saw
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for (int i=0; i<wave->len; i++) {
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for (int j=0; j<16; j++) {
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float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
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float partial=((2*pos)/(double)(wave->len-1))-1.0;
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partial=pow(partial,waveGenPower);
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partial*=waveGenAmp[j];
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finalResult[i]+=partial;
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}
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}
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break;
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case 3: // pulse
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for (int i=0; i<wave->len; i++) {
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for (int j=0; j<16; j++) {
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float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
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float partial=(pos>=(waveGenDuty*wave->len))?1:-1;
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partial=pow(partial,waveGenPower);
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partial*=waveGenAmp[j];
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finalResult[i]+=partial;
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}
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}
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break;
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}
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}
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for (int i=waveGenInvertPoint*wave->len; i<wave->len; i++) {
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finalResult[i]=-finalResult[i];
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}
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for (int i=0; i<wave->len; i++) {
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finalResult[i]=(1.0+finalResult[i])*0.5;
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if (finalResult[i]<0.0f) finalResult[i]=0.0f;
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if (finalResult[i]>1.0f) finalResult[i]=1.0f;
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wave->data[i]=round(finalResult[i]*wave->max);
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}
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e->notifyWaveChange(curWave);
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MARK_MODIFIED;
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}
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#define CENTER_TEXT(text) \
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ImGui::SetCursorPosX(ImGui::GetCursorPosX()+0.5*(ImGui::GetContentRegionAvail().x-ImGui::CalcTextSize(text).x));
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void FurnaceGUI::drawWaveEdit() {
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if (nextWindow==GUI_WINDOW_WAVE_EDIT) {
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waveEditOpen=true;
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ImGui::SetNextWindowFocus();
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nextWindow=GUI_WINDOW_NOTHING;
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}
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if (!waveEditOpen) return;
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float wavePreview[257];
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if (mobileUI) {
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patWindowPos=(portrait?ImVec2(0.0f,(mobileMenuPos*-0.65*canvasH)):ImVec2((0.16*canvasH)+0.5*canvasW*mobileMenuPos,0.0f));
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patWindowSize=(portrait?ImVec2(canvasW,canvasH-(0.16*canvasW)-(pianoOpen?(0.4*canvasW):0.0f)):ImVec2(canvasW-(0.16*canvasH),canvasH-(pianoOpen?(0.3*canvasH):0.0f)));
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ImGui::SetNextWindowPos(patWindowPos);
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ImGui::SetNextWindowSize(patWindowSize);
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} else {
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ImGui::SetNextWindowSizeConstraints(ImVec2(300.0f*dpiScale,300.0f*dpiScale),ImVec2(canvasW,canvasH));
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}
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if (ImGui::Begin("Wavetable Editor",&waveEditOpen,globalWinFlags|(settings.allowEditDocking?0:ImGuiWindowFlags_NoDocking))) {
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if (curWave<0 || curWave>=(int)e->song.wave.size()) {
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ImGui::SetCursorPosY(ImGui::GetCursorPosY()+(ImGui::GetContentRegionAvail().y-ImGui::GetFrameHeightWithSpacing()*2.0f)*0.5f);
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CENTER_TEXT("no wavetable selected");
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ImGui::Text("no wavetable selected");
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if (ImGui::BeginTable("noAssetCenter",3)) {
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ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch,0.5f);
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ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.5f);
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TableNextColumn();
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if (e->song.wave.size()>0) {
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if (ImGui::BeginCombo("##WaveSelect","select one...")) {
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if (ImGui::BeginTable("WaveSelCombo",1,ImGuiTableFlags_ScrollY)) {
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actualWaveList();
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ImGui::EndTable();
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}
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ImGui::EndCombo();
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}
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ImGui::SameLine();
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ImGui::TextUnformatted("or");
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ImGui::SameLine();
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}
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if (ImGui::Button("Open")) {
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doAction(GUI_ACTION_WAVE_LIST_OPEN);
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}
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ImGui::SameLine();
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ImGui::TextUnformatted("or");
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ImGui::SameLine();
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if (ImGui::Button("Create New")) {
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doAction(GUI_ACTION_WAVE_LIST_ADD);
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}
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ImGui::TableNextColumn();
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ImGui::EndTable();
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}
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} else {
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DivWavetable* wave=e->song.wave[curWave];
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if (ImGui::BeginTable("WEProps",2)) {
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ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch);
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ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(80.0f*dpiScale);
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if (ImGui::InputInt("##CurWave",&curWave,1,1)) {
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if (curWave<0) curWave=0;
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if (curWave>=(int)e->song.wave.size()) curWave=e->song.wave.size()-1;
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}
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ImGui::SameLine();
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if (ImGui::Button(ICON_FA_FOLDER_OPEN "##WELoad")) {
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doAction(GUI_ACTION_WAVE_LIST_OPEN_REPLACE);
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}
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("Open");
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}
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ImGui::SameLine();
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if (ImGui::Button(ICON_FA_FLOPPY_O "##WESave")) {
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doAction(GUI_ACTION_WAVE_LIST_SAVE);
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}
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("Save");
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}
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if (ImGui::BeginPopupContextItem("WaveSaveFormats",ImGuiMouseButton_Right)) {
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if (ImGui::MenuItem("save as .dmw...")) {
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doAction(GUI_ACTION_WAVE_LIST_SAVE_DMW);
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}
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if (ImGui::MenuItem("save raw...")) {
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doAction(GUI_ACTION_WAVE_LIST_SAVE_RAW);
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}
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ImGui::EndPopup();
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}
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ImGui::SameLine();
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if (ImGui::RadioButton("Steps",waveEditStyle==0)) {
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waveEditStyle=0;
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}
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ImGui::SameLine();
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if (ImGui::RadioButton("Lines",waveEditStyle==1)) {
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waveEditStyle=1;
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}
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ImGui::TableNextColumn();
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ImGui::Text("Width");
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("use a width of:\n- any on Amiga/N163\n- 32 on Game Boy, PC Engine, SCC, Konami Bubble System, Namco WSG, Virtual Boy and WonderSwan\n- 64 on FDS\n- 128 on X1-010\nany other widths will be scaled during playback.");
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}
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ImGui::SameLine();
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ImGui::SetNextItemWidth(96.0f*dpiScale);
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if (ImGui::InputInt("##_WTW",&wave->len,1,2)) {
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if (wave->len>256) wave->len=256;
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if (wave->len<1) wave->len=1;
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e->notifyWaveChange(curWave);
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if (wavePreviewOn) e->previewWave(curWave,wavePreviewNote);
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MARK_MODIFIED;
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}
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ImGui::SameLine();
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ImGui::Text("Height");
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("use a height of:\n- 15 for Game Boy, WonderSwan, Namco WSG, Konami Bubble System, X1-010 Envelope shape and N163\n- 31 for PC Engine\n- 63 for FDS and Virtual Boy\n- 255 for X1-010 and SCC\nany other heights will be scaled during playback.");
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}
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ImGui::SameLine();
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ImGui::SetNextItemWidth(96.0f*dpiScale);
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if (ImGui::InputInt("##_WTH",&wave->max,1,2)) {
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if (wave->max>255) wave->max=255;
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if (wave->max<1) wave->max=1;
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e->notifyWaveChange(curWave);
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MARK_MODIFIED;
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}
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ImGui::SameLine();
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if (ImGui::Button(waveGenVisible?(ICON_FA_CHEVRON_RIGHT "##WEWaveGen"):(ICON_FA_CHEVRON_LEFT "##WEWaveGen"))) {
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waveGenVisible=!waveGenVisible;
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}
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ImGui::EndTable();
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}
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for (int i=0; i<wave->len; i++) {
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if (wave->data[i]>wave->max) wave->data[i]=wave->max;
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wavePreview[i]=wave->data[i];
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if (waveSigned && !waveHex) {
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wavePreview[i]-=(int)((wave->max+1)/2);
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}
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}
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if (wave->len>0) wavePreview[wave->len]=wave->data[wave->len-1];
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if (ImGui::BeginTable("WEWaveSection",waveGenVisible?2:1)) {
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ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch);
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if (waveGenVisible) ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed,250.0f*dpiScale);
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::PushStyleVar(ImGuiStyleVar_FramePadding,ImVec2(0.0f,0.0f));
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ImVec2 contentRegion=ImGui::GetContentRegionAvail(); // wavetable graph size determined here
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contentRegion.y-=ImGui::GetFrameHeightWithSpacing()+ImGui::GetStyle().WindowPadding.y;
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if (waveEditStyle) {
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PlotNoLerp("##Waveform",wavePreview,wave->len+1,0,NULL,(waveSigned && !waveHex)?(-(int)((wave->max+1)/2)):0,(waveSigned && !waveHex)?((int)(wave->max/2)):wave->max,contentRegion);
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} else {
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PlotCustom("##Waveform",wavePreview,wave->len,0,NULL,(waveSigned && !waveHex)?(-(int)((wave->max+1)/2)):0,(waveSigned && !waveHex)?((int)(wave->max/2)):wave->max,contentRegion,sizeof(float),ImVec4(1.0f,1.0f,1.0f,1.0f),0,NULL,NULL,true);
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
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waveDragStart=ImGui::GetItemRectMin();
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waveDragAreaSize=contentRegion;
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waveDragMin=0;
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waveDragMax=wave->max;
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waveDragLen=wave->len;
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waveDragActive=true;
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waveDragTarget=wave->data;
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processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
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e->notifyWaveChange(curWave);
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modified=true;
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}
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ImGui::PopStyleVar();
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if (waveGenVisible) {
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ImGui::TableNextColumn();
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if (ImGui::BeginTabBar("WaveGenOpt")) {
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if (ImGui::BeginTabItem("Shapes")) {
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waveGenFM=false;
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if (waveGenBaseShape<0) waveGenBaseShape=0;
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if (waveGenBaseShape>3) waveGenBaseShape=3;
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderInt("##WGShape",&waveGenBaseShape,0,3,waveGenBaseShapes[waveGenBaseShape])) {
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if (waveGenBaseShape<0) waveGenBaseShape=0;
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if (waveGenBaseShape>3) waveGenBaseShape=3;
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doGenerateWave();
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}
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if (ImGui::BeginTable("WGShapeProps",2)) {
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ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch);
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::Text("Duty");
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderFloat("##WGDuty",&waveGenDuty,0.0f,1.0f)) {
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doGenerateWave();
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}
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::Text("Exponent");
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderInt("##WGExp",&waveGenPower,1,8)) {
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doGenerateWave();
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}
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::Text("XOR Point");
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderFloat("##WGXOR",&waveGenInvertPoint,0.0f,1.0f)) {
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doGenerateWave();
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}
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ImGui::EndTable();
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}
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if (ImGui::TreeNode("Amplitude/Phase")) {
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if (ImGui::BeginTable("WGShapeProps",3)) {
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ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch,0.6f);
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ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.4f);
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for (int i=0; i<16; i++) {
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::Text("%d",i+1);
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ImGui::TableNextColumn();
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ImGui::PushID(140+i);
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderFloat("##WGAmp",&waveGenAmp[i],-1.0f,1.0f)) {
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doGenerateWave();
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
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waveGenAmp[i]=0.0f;
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doGenerateWave();
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}
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ImGui::PopID();
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ImGui::TableNextColumn();
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ImGui::PushID(140+i);
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ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
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if (CWSliderFloat("##WGPhase",&waveGenPhase[i],0.0f,1.0f)) {
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doGenerateWave();
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
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waveGenPhase[i]=0.0f;
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doGenerateWave();
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}
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ImGui::PopID();
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
ImGui::TreePop();
|
|
}
|
|
ImGui::EndTabItem();
|
|
}
|
|
if (ImGui::BeginTabItem("FM")) {
|
|
waveGenFM=true;
|
|
|
|
if (ImGui::BeginTable("WGFMProps",4)) {
|
|
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed,ImGui::CalcTextSize("Op").x);
|
|
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch,0.5);
|
|
ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.25);
|
|
ImGui::TableSetupColumn("c3",ImGuiTableColumnFlags_WidthStretch,0.25);
|
|
|
|
ImGui::TableNextRow(ImGuiTableRowFlags_Headers);
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("Op");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("Level");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("Mult");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("FB");
|
|
|
|
for (int i=0; i<4; i++) {
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("%d",i+1);
|
|
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
ImGui::PushID(i);
|
|
if (CWSliderFloat("##WGTL",&waveGenTL[i],0.0f,1.0f)) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::PopID();
|
|
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
ImGui::PushID(i);
|
|
if (CWSliderInt("##WGMULT",&waveGenMult[i],1,16)) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::PopID();
|
|
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
ImGui::PushID(i);
|
|
if (CWSliderInt("##WGFB",&waveGenFB[i],0,7)) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::PopID();
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
|
|
CENTER_TEXT("Connection Diagram");
|
|
ImGui::Text("Connection Diagram");
|
|
|
|
if (ImGui::BeginTable("WGFMCon",5)) {
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text(">>");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("2");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("3");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("4");
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("Out");
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("1");
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con12",&waveGenFMCon1[0])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con13",&waveGenFMCon1[1])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con14",&waveGenFMCon1[2])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con1O",&waveGenFMCon1[3])) {
|
|
doGenerateWave();
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("2");
|
|
ImGui::TableNextColumn();
|
|
// blank
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con23",&waveGenFMCon2[0])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con24",&waveGenFMCon2[1])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con2O",&waveGenFMCon2[2])) {
|
|
doGenerateWave();
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::Text("3");
|
|
ImGui::TableNextColumn();
|
|
// blank
|
|
ImGui::TableNextColumn();
|
|
// blank
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con34",&waveGenFMCon3[0])) {
|
|
doGenerateWave();
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Checkbox("##Con3O",&waveGenFMCon3[1])) {
|
|
doGenerateWave();
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
ImGui::EndTabItem();
|
|
}
|
|
if (ImGui::BeginTabItem("WaveTools")) {
|
|
if (ImGui::BeginTable("WGParamItems",2)) {
|
|
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch);
|
|
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed);
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputInt("##WGScaleX",&waveGenScaleX,1,16)) {
|
|
if (waveGenScaleX<2) waveGenScaleX=2;
|
|
if (waveGenScaleX>256) waveGenScaleX=256;
|
|
}
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (CWSliderInt("##WGInterpolation",&waveInterpolation,0,3,waveInterpolations[waveInterpolation])) {
|
|
if (waveInterpolation<0) waveInterpolation=0;
|
|
if (waveInterpolation>3) waveInterpolation=3;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Scale X")) {
|
|
if (waveGenScaleX>0 && wave->len!=waveGenScaleX) e->lockEngine([this,wave]() {
|
|
int origData[256];
|
|
// Copy original wave to temp buffer
|
|
// If longer than 256 samples, return
|
|
if (wave->len>256) {
|
|
showError("wavetable longer than 256 samples!");
|
|
return;
|
|
}
|
|
memcpy(origData,wave->data,wave->len*sizeof(int));
|
|
|
|
float t=0; // Index used into `origData`
|
|
|
|
for (int i=0; i<waveGenScaleX; i++, t+=(float)wave->len/waveGenScaleX) {
|
|
switch (waveInterpolation) {
|
|
case 0: {
|
|
wave->data[i]=origData[i*wave->len/waveGenScaleX];
|
|
break;
|
|
}
|
|
case 1: { // Linear
|
|
int idx=t; // Implicitly floors `t`
|
|
int s0=origData[(idx)%wave->len];
|
|
int s1=origData[(idx+1)%wave->len];
|
|
double mu=(t-idx);
|
|
wave->data[i]=s0+mu*s1-(mu*s0);
|
|
break;
|
|
}
|
|
case 2: { // Cosine
|
|
int idx=t; // Implicitly floors `t`
|
|
int s0=origData[(idx)%wave->len];
|
|
int s1=origData[(idx+1)%wave->len];
|
|
double mu=(t-idx);
|
|
double muCos=(1-cos(mu*M_PI))/2;
|
|
wave->data[i]=s0+muCos*s1-(muCos*s0);
|
|
break;
|
|
}
|
|
case 3: { // Cubic Spline
|
|
int idx=t; // Implicitly floors `t`
|
|
int s0=origData[((idx-1%wave->len+wave->len)%wave->len)];
|
|
int s1=origData[(idx)%wave->len];
|
|
int s2=origData[(idx+1)%wave->len];
|
|
int s3=origData[(idx+2)%wave->len];
|
|
double mu=(t-idx);
|
|
double mu2=mu*mu;
|
|
double a0=-0.5*s0+1.5*s1-1.5*s2+0.5*s3;
|
|
double a1=s0-2.5*s1+2*s2-0.5*s3;
|
|
double a2=-0.5*s0+0.5*s2;
|
|
double a3=s1;
|
|
wave->data[i]=(a0*mu*mu2+a1*mu2+a2*mu+a3);
|
|
break;
|
|
}
|
|
default: { // No interpolation
|
|
wave->data[i]=origData[i*wave->len/waveGenScaleX];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
wave->len=waveGenScaleX;
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputInt("##WGScaleY",&waveGenScaleY,1,16)) {
|
|
if (waveGenScaleY<2) waveGenScaleY=2;
|
|
if (waveGenScaleY>256) waveGenScaleY=256;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Scale Y")) {
|
|
if (waveGenScaleY>0 && wave->max!=(waveGenScaleY-1)) e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=(wave->data[i]*(waveGenScaleY+1))/(wave->max+1);
|
|
}
|
|
wave->max=waveGenScaleY-1;
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputInt("##WGOffsetX",&waveGenOffsetX,1,16)) {
|
|
if (waveGenOffsetX<-wave->len+1) waveGenOffsetX=-wave->len+1;
|
|
if (waveGenOffsetX>wave->len-1) waveGenOffsetX=wave->len-1;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Offset X")) {
|
|
if (waveGenOffsetX!=0 && wave->len>0) e->lockEngine([this,wave]() {
|
|
int origData[256];
|
|
memcpy(origData,wave->data,wave->len*sizeof(int));
|
|
int realOff=-waveGenOffsetX;
|
|
while (realOff<0) realOff+=wave->len;
|
|
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=origData[(i+realOff)%wave->len];
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputInt("##WGOffsetY",&waveGenOffsetY,1,16)) {
|
|
if (waveGenOffsetY<-wave->max) waveGenOffsetY=-wave->max;
|
|
if (waveGenOffsetY>wave->max) waveGenOffsetY=wave->max;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Offset Y")) {
|
|
if (waveGenOffsetY!=0) e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=CLAMP(wave->data[i]+waveGenOffsetY,0,wave->max);
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputInt("##WGSmooth",&waveGenSmooth,1,4)) {
|
|
if (waveGenSmooth>wave->len) waveGenSmooth=wave->len;
|
|
if (waveGenSmooth<1) waveGenSmooth=1;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Smooth")) {
|
|
if (waveGenSmooth>0) e->lockEngine([this,wave]() {
|
|
int origData[256];
|
|
memcpy(origData,wave->data,wave->len*sizeof(int));
|
|
for (int i=0; i<wave->len; i++) {
|
|
int dataSum=0;
|
|
for (int j=i; j<i+waveGenSmooth+1; j++) {
|
|
int pos=(j-((waveGenSmooth+1)/2));
|
|
while (pos<0) pos+=wave->len;
|
|
dataSum+=origData[pos%wave->len];
|
|
}
|
|
dataSum/=waveGenSmooth+1;
|
|
wave->data[i]=dataSum;
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
|
|
float amp=waveGenAmplify*100.0f;
|
|
if (ImGui::InputFloat("##WGAmplify",&,1.0f,10.0f)) {
|
|
waveGenAmplify=amp/100.0f;
|
|
if (waveGenAmplify<0.0f) waveGenAmplify=0.0f;
|
|
if (waveGenAmplify>100.0f) waveGenAmplify=100.0f;
|
|
}
|
|
ImGui::TableNextColumn();
|
|
if (ImGui::Button("Amplify")) {
|
|
if (waveGenAmplify!=1.0f) e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=CLAMP(round((float)(wave->data[i]-(int)( /* Clang can you stop complaining */ (int)(wave->max+1)/(int)2))*waveGenAmplify),(int)(-((wave->max+1)/2)),(int)(wave->max/2))+(int)((wave->max+1)/2);
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
|
|
ImVec2 buttonSize=ImGui::GetContentRegionAvail();
|
|
buttonSize.y=0.0f;
|
|
ImVec2 buttonSizeHalf=buttonSize;
|
|
buttonSizeHalf.x-=ImGui::GetStyle().ItemSpacing.x;
|
|
buttonSizeHalf.x*=0.5;
|
|
|
|
if (ImGui::Button("Normalize",buttonSize)) {
|
|
e->lockEngine([this,wave]() {
|
|
// find lowest point
|
|
int lowest=wave->max;
|
|
for (int i=0; i<wave->len; i++) {
|
|
if (wave->data[i]<lowest) lowest=wave->data[i];
|
|
}
|
|
|
|
// find highest point
|
|
int highest=0;
|
|
for (int i=0; i<wave->len; i++) {
|
|
if (wave->data[i]>highest) highest=wave->data[i];
|
|
}
|
|
|
|
// abort if lowest and highest points are equal
|
|
if (lowest==highest) return;
|
|
|
|
// abort if lowest and highest points already span the entire height
|
|
if (lowest==wave->max && highest==0) return;
|
|
|
|
// apply offset
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]-=lowest;
|
|
}
|
|
highest-=lowest;
|
|
|
|
// scale
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=(wave->data[i]*wave->max)/highest;
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
if (ImGui::Button("Invert",buttonSize)) {
|
|
e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=wave->max-wave->data[i];
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
|
|
if (ImGui::Button("Half",buttonSizeHalf)) {
|
|
int origData[256];
|
|
memcpy(origData,wave->data,wave->len*sizeof(int));
|
|
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=origData[i>>1];
|
|
}
|
|
MARK_MODIFIED;
|
|
}
|
|
ImGui::SameLine();
|
|
if (ImGui::Button("Double",buttonSizeHalf)) {
|
|
int origData[256];
|
|
memcpy(origData,wave->data,wave->len*sizeof(int));
|
|
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=origData[(i*2)%wave->len];
|
|
}
|
|
MARK_MODIFIED;
|
|
}
|
|
|
|
if (ImGui::Button("Convert Signed/Unsigned",buttonSize)) {
|
|
if (wave->max>0) e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
if (wave->data[i]>(wave->max/2)) {
|
|
wave->data[i]-=(wave->max+1)/2;
|
|
} else {
|
|
wave->data[i]+=(wave->max+1)/2;
|
|
}
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
if (ImGui::Button("Randomize",buttonSize)) {
|
|
if (wave->max>0) e->lockEngine([this,wave]() {
|
|
for (int i=0; i<wave->len; i++) {
|
|
wave->data[i]=rand()%(wave->max+1);
|
|
}
|
|
MARK_MODIFIED;
|
|
});
|
|
}
|
|
ImGui::EndTabItem();
|
|
}
|
|
ImGui::EndTabBar();
|
|
}
|
|
}
|
|
ImGui::EndTable();
|
|
}
|
|
|
|
if (ImGui::RadioButton("Dec",!waveHex)) {
|
|
waveHex=false;
|
|
}
|
|
ImGui::SameLine();
|
|
if (ImGui::RadioButton("Hex",waveHex)) {
|
|
waveHex=true;
|
|
}
|
|
ImGui::SameLine();
|
|
if (!waveHex) if (ImGui::Button(waveSigned?"±##WaveSign":"+##WaveSign",ImVec2(ImGui::GetFrameHeight(),ImGui::GetFrameHeight()))) {
|
|
waveSigned=!waveSigned;
|
|
}
|
|
if (ImGui::IsItemHovered()) {
|
|
ImGui::SetTooltip("Signed/Unsigned");
|
|
}
|
|
ImGui::SameLine();
|
|
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x); // wavetable text input size found here
|
|
if (ImGui::InputText("##MMLWave",&mmlStringW)) {
|
|
int actualData[256];
|
|
decodeMMLStrW(mmlStringW,actualData,wave->len,(waveSigned && !waveHex)?(-((wave->max+1)/2)):0,(waveSigned && !waveHex)?(wave->max/2):wave->max,waveHex);
|
|
MARK_MODIFIED;
|
|
if (waveSigned && !waveHex) {
|
|
for (int i=0; i<wave->len; i++) {
|
|
actualData[i]+=(wave->max+1)/2;
|
|
}
|
|
}
|
|
memcpy(wave->data,actualData,wave->len*sizeof(int));
|
|
}
|
|
if (!ImGui::IsItemActive()) {
|
|
int actualData[256];
|
|
memcpy(actualData,wave->data,256*sizeof(int));
|
|
if (waveSigned && !waveHex) {
|
|
for (int i=0; i<wave->len; i++) {
|
|
actualData[i]-=(wave->max+1)/2;
|
|
}
|
|
}
|
|
encodeMMLStr(mmlStringW,actualData,wave->len,-1,-1,waveHex);
|
|
}
|
|
}
|
|
}
|
|
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_WAVE_EDIT;
|
|
ImGui::End();
|
|
}
|