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furnace/src/gui/waveEdit.cpp

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2023 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _USE_MATH_DEFINES
#include "gui.h"
#include "plot_nolerp.h"
#include "IconsFontAwesome4.h"
#include "misc/cpp/imgui_stdlib.h"
#include <fmt/printf.h>
#include <math.h>
#include <imgui.h>
const char* waveGenBaseShapes[4]={
"Sine",
"Triangle",
"Saw",
"Pulse"
};
const char* waveInterpolations[4]={
"None",
"Linear",
"Cosine",
"Cubic"
};
double sinus(double x) {
return sin(x);
}
double rectSin(double x) {
return sin(x) > 0 ? sin(x) : 0;
}
double absSin(double x) {
return fabs(sin(x));
}
double square(double x) {
return fmod(x, (2 * M_PI)) >= M_PI ? -1 : 1;
}
double rectSquare(double x) {
return square(x) > 0 ? square(x) : 0;
}
double quartSin(double x) {
return absSin(x) * rectSquare(2 * x);
}
double squiSin(double x) {
return sin(x) >= 0 ? sin(2 * x) : 0;
}
double squiAbsSin(double x) {
return fabs(squiSin(x));
}
double saw(double x) {
return atan(tan(x / 2)) / (M_PI / 2);
}
double rectSaw(double x) {
return saw(x) > 0 ? saw(x) : 0;
}
double absSaw(double x) {
return saw(x) < 0 ? saw(x) + 1 : saw(x);
}
double cubSaw(double x) {
return pow(saw(x), 3);
}
double rectCubSaw(double x) {
return pow(rectSaw(x), 3);
}
double absCubSaw(double x) {
return pow(absSaw(x), 3);
}
double cubSine(double x) {
return pow(sin(x), 3);
}
double rectCubSin(double x) {
return pow(rectSin(x), 3);
}
double absCubSin(double x) {
return pow(absSin(x), 3);
}
double quartCubSin(double x) {
return pow(quartSin(x), 3);
}
double squishCubSin(double x) {
return pow(squiSin(x), 3);
}
double squishAbsCubSin(double x) {
return pow(squiAbsSin(x), 3);
}
double triangle(double x) {
return asin(sin(x)) / (M_PI / 2);
}
double rectTri(double x) {
return triangle(x) > 0 ? triangle(x) : 0;
}
double absTri(double x) {
return fabs(triangle(x));
}
double quartTri(double x) {
return absTri(x) * rectSquare(2 * x);
}
double squiTri(double x) {
return sin(x) >= 0 ? triangle(2 * x) : 0;
}
double absSquiTri(double x) {
return fabs(squiTri(x));
}
double cubTriangle(double x) {
return pow(triangle(x), 3);
}
double cubRectTri(double x) {
return pow(rectTri(x), 3);
}
double cubAbsTri(double x) {
return pow(absTri(x), 3);
}
double cubQuartTri(double x) {
return pow(quartTri(x), 3);
}
double cubSquiTri(double x) {
return pow(squiTri(x), 3);
}
double absCubSquiTri(double x) {
return fabs(cubSquiTri(x));
}
typedef double (*WaveFunc) (double a);
WaveFunc waveFuncs[]={
sinus,
rectSin,
absSin,
quartSin,
squiSin,
squiAbsSin,
square,
rectSquare,
saw,
rectSaw,
absSaw,
cubSaw,
rectCubSaw,
absCubSaw,
cubSine,
rectCubSin,
absCubSin,
quartCubSin,
squishCubSin,
squishAbsCubSin,
triangle,
rectTri,
absTri,
quartTri,
squiTri,
absSquiTri,
cubTriangle,
cubRectTri,
cubAbsTri,
cubQuartTri,
cubSquiTri,
absCubSquiTri
};
const char* fmWaveforms[] = {
"Sine",
"Rect. Sine",
"Abs. Sine",
"Quart. Sine",
"Squish. Sine",
"Abs. Squish. Sine",
"Square",
"rectSquare",
"Saw",
"Rect. Saw",
"Abs. Saw",
"Cubed Saw",
"Rect. Cubed Saw",
"Abs. Cubed Saw",
"Cubed Sine",
"Rect. Cubed Sine",
"Abs. Cubed Sine",
"Quart. Cubed Sine",
"Squish. Cubed Sine",
"Squish. Abs. Cub. Sine",
"Triangle",
"Rect. Triangle",
"Abs. Triangle",
"Quart. Triangle",
"Squish. Triangle",
"Abs. Squish. Triangle",
"Cubed Triangle",
"Rect. Cubed Triangle",
"Abs. Cubed Triangle",
"Quart. Cubed Triangle",
"Squish. Cubed Triangle",
"Squish. Abs. Cub. Triangle",
};
const size_t fmWaveformsLen=sizeof(fmWaveforms)/sizeof(fmWaveforms[0]);
const float multFactors[17]={
M_PI,
2*M_PI,
4*M_PI,
6*M_PI,
8*M_PI,
10*M_PI,
12*M_PI,
14*M_PI,
16*M_PI,
18*M_PI,
20*M_PI,
22*M_PI,
24*M_PI,
26*M_PI,
28*M_PI,
30*M_PI,
32*M_PI,
};
void FurnaceGUI::doGenerateWave() {
float finalResult[256];
if (curWave<0 || curWave>=(int)e->song.wave.size()) return;
DivWavetable* wave=e->song.wave[curWave];
memset(finalResult,0,sizeof(float)*256);
if (wave->len<2) return;
if (waveGenFM) {
float s0fb0=0;
float s0fb1=0;
float s1fb0=0;
float s1fb1=0;
float s2fb0=0;
float s2fb1=0;
float s3fb0=0;
float s3fb1=0;
float s0=0;
float s1=0;
float s2=0;
float s3=1;
for (int i=0; i<wave->len; i++) {
float pos=(float)i/(float)wave->len;
s0=waveFuncs[fmWaveform[0]]((pos +
(waveGenFB[0] ? ((s0fb0 + s0fb1) * pow(2.0f, waveGenFB[0] - 8)) : 0.0f) +
(waveGenFMCon0[3] ? s3 : 0.0f) +
(waveGenFMCon0[2] ? s2 : 0.0f) +
(waveGenFMCon0[1] ? s1 : 0.0f) +
(waveGenFMCon0[0] ? s0 : 0.0f))* multFactors[waveGenMult[0]]) * waveGenTL[0];
s0fb0=s0fb1;
s0fb1=s0;
s1=waveFuncs[fmWaveform[1]]((pos +
(waveGenFB[1] ? ((s1fb0 + s1fb1) * pow(2.0f, waveGenFB[1] - 8)) : 0.0f) +
(waveGenFMCon1[3] ? s3 : 0.0f) +
(waveGenFMCon1[2] ? s2 : 0.0f) +
(waveGenFMCon1[1] ? s1 : 0.0f) +
(waveGenFMCon1[0] ? s0 : 0.0f))* multFactors[waveGenMult[1]]) * waveGenTL[1];
s1fb0=s1fb1;
s1fb1=s1;
s2=waveFuncs[fmWaveform[2]]((pos +
(waveGenFB[2] ? ((s2fb0 + s2fb1) * pow(2.0f, waveGenFB[2] - 8)) : 0.0f) +
(waveGenFMCon2[3] ? s3 : 0.0f) +
(waveGenFMCon2[2] ? s2 : 0.0f) +
(waveGenFMCon2[1] ? s1 : 0.0f) +
(waveGenFMCon2[0] ? s0 : 0.0f))* multFactors[waveGenMult[2]]) * waveGenTL[2];
s2fb0=s2fb1;
s2fb1=s2;
s3=waveFuncs[fmWaveform[3]]((pos +
(waveGenFB[3] ? ((s3fb0 + s3fb1) * pow(2.0f, waveGenFB[3] - 8)) : 0.0f) +
(waveGenFMCon3[3] ? s3 : 0.0f) +
(waveGenFMCon3[2] ? s2 : 0.0f) +
(waveGenFMCon3[1] ? s1 : 0.0f) +
(waveGenFMCon3[0] ? s0 : 0.0f)) * multFactors[waveGenMult[3]])* waveGenTL[3];
s3fb0=s3fb1;
s3fb1=s3;
if (waveGenFMCon0[4]) finalResult[i]+=s0;
if (waveGenFMCon1[4]) finalResult[i]+=s1;
if (waveGenFMCon2[4]) finalResult[i]+=s2;
if (waveGenFMCon3[4]) finalResult[i]+=s3;
}
} else {
switch (waveGenBaseShape) {
case 0: // sine
for (int i=0; i<wave->len; i++) {
for (int j=0; j<16; j++) {
float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
float partial=sin((0.5+pos)*2.0*M_PI/(double)wave->len);
partial=pow(partial,waveGenPower);
partial*=waveGenAmp[j];
finalResult[i]+=partial;
}
}
break;
case 1: // triangle
for (int i=0; i<wave->len; i++) {
for (int j=0; j<16; j++) {
float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
float partial=4.0*(0.5-fabs(0.5-(pos/(double)(wave->len-1))))-1.0;
partial=pow(partial,waveGenPower);
partial*=waveGenAmp[j];
finalResult[i]+=partial;
}
}
break;
case 2: // saw
for (int i=0; i<wave->len; i++) {
for (int j=0; j<16; j++) {
float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
float partial=((2*pos)/(double)(wave->len-1))-1.0;
partial=pow(partial,waveGenPower);
partial*=waveGenAmp[j];
finalResult[i]+=partial;
}
}
break;
case 3: // pulse
for (int i=0; i<wave->len; i++) {
for (int j=0; j<16; j++) {
float pos=fmod((waveGenPhase[j]*wave->len)+(i*(j+1)),wave->len);
float partial=(pos>=(waveGenDuty*wave->len))?1:-1;
partial=pow(partial,waveGenPower);
partial*=waveGenAmp[j];
finalResult[i]+=partial;
}
}
break;
}
}
for (int i=waveGenInvertPoint*wave->len; i<wave->len; i++) {
finalResult[i]=-finalResult[i];
}
for (int i=0; i<wave->len; i++) {
finalResult[i]=(1.0+finalResult[i])*0.5;
if (finalResult[i]<0.0f) finalResult[i]=0.0f;
if (finalResult[i]>1.0f) finalResult[i]=1.0f;
wave->data[i]=round(finalResult[i]*wave->max);
}
e->notifyWaveChange(curWave);
MARK_MODIFIED;
}
#define CENTER_TEXT(text) \
ImGui::SetCursorPosX(ImGui::GetCursorPosX()+0.5*(ImGui::GetContentRegionAvail().x-ImGui::CalcTextSize(text).x));
void FurnaceGUI::drawWaveEdit() {
if (nextWindow==GUI_WINDOW_WAVE_EDIT) {
waveEditOpen=true;
ImGui::SetNextWindowFocus();
nextWindow=GUI_WINDOW_NOTHING;
}
if (!waveEditOpen) return;
float wavePreview[257];
if (mobileUI) {
patWindowPos=(portrait?ImVec2(0.0f,(mobileMenuPos*-0.65*canvasH)):ImVec2((0.16*canvasH)+0.5*canvasW*mobileMenuPos,0.0f));
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)));
ImGui::SetNextWindowPos(patWindowPos);
ImGui::SetNextWindowSize(patWindowSize);
} else {
ImGui::SetNextWindowSizeConstraints(ImVec2(300.0f*dpiScale,300.0f*dpiScale),ImVec2(canvasW,canvasH));
}
if (ImGui::Begin("Wavetable Editor",&waveEditOpen,globalWinFlags|(settings.allowEditDocking?0:ImGuiWindowFlags_NoDocking))) {
if (curWave<0 || curWave>=(int)e->song.wave.size()) {
ImGui::SetCursorPosY(ImGui::GetCursorPosY()+(ImGui::GetContentRegionAvail().y-ImGui::GetFrameHeightWithSpacing()*2.0f)*0.5f);
CENTER_TEXT("no wavetable selected");
ImGui::Text("no wavetable selected");
if (ImGui::BeginTable("noAssetCenter",3)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch,0.5f);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.5f);
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TableNextColumn();
if (e->song.wave.size()>0) {
if (ImGui::BeginCombo("##WaveSelect","select one...")) {
if (ImGui::BeginTable("WaveSelCombo",1,ImGuiTableFlags_ScrollY)) {
actualWaveList();
ImGui::EndTable();
}
ImGui::EndCombo();
}
ImGui::SameLine();
ImGui::TextUnformatted("or");
ImGui::SameLine();
}
if (ImGui::Button("Open")) {
doAction(GUI_ACTION_WAVE_LIST_OPEN);
}
ImGui::SameLine();
ImGui::TextUnformatted("or");
ImGui::SameLine();
if (ImGui::Button("Create New")) {
doAction(GUI_ACTION_WAVE_LIST_ADD);
}
ImGui::TableNextColumn();
ImGui::EndTable();
}
} else {
DivWavetable* wave=e->song.wave[curWave];
if (ImGui::BeginTable("WEProps",2)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed);
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(80.0f*dpiScale);
if (ImGui::InputInt("##CurWave",&curWave,1,1)) {
if (curWave<0) curWave=0;
if (curWave>=(int)e->song.wave.size()) curWave=e->song.wave.size()-1;
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_FOLDER_OPEN "##WELoad")) {
doAction(GUI_ACTION_WAVE_LIST_OPEN_REPLACE);
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Open");
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_FLOPPY_O "##WESave")) {
doAction(GUI_ACTION_WAVE_LIST_SAVE);
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Save");
}
if (ImGui::BeginPopupContextItem("WaveSaveFormats",ImGuiMouseButton_Right)) {
if (ImGui::MenuItem("save as .dmw...")) {
doAction(GUI_ACTION_WAVE_LIST_SAVE_DMW);
}
if (ImGui::MenuItem("save raw...")) {
doAction(GUI_ACTION_WAVE_LIST_SAVE_RAW);
}
ImGui::EndPopup();
}
ImGui::SameLine();
if (ImGui::RadioButton("Steps",waveEditStyle==0)) {
waveEditStyle=0;
}
ImGui::SameLine();
if (ImGui::RadioButton("Lines",waveEditStyle==1)) {
waveEditStyle=1;
}
ImGui::TableNextColumn();
ImGui::Text("Width");
if (ImGui::IsItemHovered()) {
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.");
}
ImGui::SameLine();
ImGui::SetNextItemWidth(96.0f*dpiScale);
if (ImGui::InputInt("##_WTW",&wave->len,1,2)) {
if (wave->len>256) wave->len=256;
if (wave->len<1) wave->len=1;
e->notifyWaveChange(curWave);
if (wavePreviewOn) e->previewWave(curWave,wavePreviewNote);
MARK_MODIFIED;
}
ImGui::SameLine();
ImGui::Text("Height");
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("use a height of:\n- 16 for Game Boy, WonderSwan, Namco WSG, Konami Bubble System, X1-010 Envelope shape and N163\n- 32 for PC Engine\n- 64 for FDS and Virtual Boy\n- 256 for X1-010 and SCC\nany other heights will be scaled during playback.");
}
ImGui::SameLine();
ImGui::SetNextItemWidth(96.0f*dpiScale);
int realMax=wave->max+1;
if (ImGui::InputInt("##_WTH",&realMax,1,2)) {
if (realMax>256) realMax=256;
if (realMax<2) realMax=2;
wave->max=realMax-1;
e->notifyWaveChange(curWave);
MARK_MODIFIED;
}
ImGui::SameLine();
if (ImGui::Button(waveGenVisible?(ICON_FA_CHEVRON_RIGHT "##WEWaveGen"):(ICON_FA_CHEVRON_LEFT "##WEWaveGen"))) {
waveGenVisible=!waveGenVisible;
}
ImGui::EndTable();
}
for (int i=0; i<wave->len; i++) {
if (wave->data[i]>wave->max) wave->data[i]=wave->max;
wavePreview[i]=wave->data[i];
if (waveSigned && !waveHex) {
wavePreview[i]-=(int)((wave->max+1)/2);
}
}
if (wave->len>0) wavePreview[wave->len]=wave->data[wave->len-1];
if (ImGui::BeginTable("WEWaveSection",waveGenVisible?2:1)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch);
if (waveGenVisible) ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthFixed,250.0f*dpiScale);
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding,ImVec2(0.0f,0.0f));
ImVec2 contentRegion=ImGui::GetContentRegionAvail(); // wavetable graph size determined here
contentRegion.y-=ImGui::GetFrameHeightWithSpacing()+ImGui::GetStyle().WindowPadding.y;
if (waveEditStyle) {
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);
} else {
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);
}
if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
waveDragStart=ImGui::GetItemRectMin();
waveDragAreaSize=contentRegion;
waveDragMin=0;
waveDragMax=wave->max;
waveDragLen=wave->len;
waveDragActive=true;
waveDragTarget=wave->data;
processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
e->notifyWaveChange(curWave);
modified=true;
}
ImGui::PopStyleVar();
if (waveGenVisible) {
ImGui::TableNextColumn();
ImVec2 waveGenSize=ImGui::GetContentRegionAvail();
waveGenSize.y=contentRegion.y;
if (ImGui::BeginChild("WaveGenView",waveGenSize)) {
if (ImGui::BeginTabBar("WaveGenOpt")) {
if (ImGui::BeginTabItem("Shapes")) {
waveGenFM=false;
if (waveGenBaseShape<0) waveGenBaseShape=0;
if (waveGenBaseShape>3) waveGenBaseShape=3;
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderInt("##WGShape",&waveGenBaseShape,0,3,waveGenBaseShapes[waveGenBaseShape])) {
if (waveGenBaseShape<0) waveGenBaseShape=0;
if (waveGenBaseShape>3) waveGenBaseShape=3;
doGenerateWave();
}
if (ImGui::BeginTable("WGShapeProps",2)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch);
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("Duty");
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderFloat("##WGDuty",&waveGenDuty,0.0f,1.0f)) {
doGenerateWave();
} rightClickable
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("Exponent");
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderInt("##WGExp",&waveGenPower,1,8)) {
doGenerateWave();
} rightClickable
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("XOR Point");
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderFloat("##WGXOR",&waveGenInvertPoint,0.0f,1.0f)) {
doGenerateWave();
} rightClickable
ImGui::EndTable();
}
if (ImGui::TreeNode("Amplitude/Phase")) {
if (ImGui::BeginTable("WGShapeProps",3)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch,0.6f);
ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.4f);
for (int i=0; i<16; i++) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("%d",i+1);
ImGui::TableNextColumn();
ImGui::PushID(140+i);
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderFloat("##WGAmp",&waveGenAmp[i],-1.0f,1.0f)) {
doGenerateWave();
} rightClickable
if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
waveGenAmp[i]=0.0f;
doGenerateWave();
}
ImGui::PopID();
ImGui::TableNextColumn();
ImGui::PushID(140+i);
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (CWSliderFloat("##WGPhase",&waveGenPhase[i],0.0f,1.0f)) {
doGenerateWave();
} rightClickable
if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
waveGenPhase[i]=0.0f;
doGenerateWave();
}
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::AlignTextToFramePadding();
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();
} rightClickable
ImGui::PopID();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
ImGui::PushID(i);
if (CWSliderInt("##WGMULT",&waveGenMult[i],1,16)) {
doGenerateWave();
} rightClickable
ImGui::PopID();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
ImGui::PushID(i);
if (CWSliderInt("##WGFB",&waveGenFB[i],0,7)) {
doGenerateWave();
} rightClickable
ImGui::PopID();
}
ImGui::EndTable();
}
if (ImGui::BeginTable("WGFMWAVE",2)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed,ImGui::CalcTextSize("Op").x);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch,1);
ImGui::TableNextRow(ImGuiTableRowFlags_Headers);
ImGui::TableNextColumn();
ImGui::Text("Op");
ImGui::TableNextColumn();
ImGui::Text("Waveform");
for (int i=0; i<4; i++) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("%d",i+1);
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
ImGui::PushID(i);
if (CWSliderInt("##WGWAVEFORM",&fmWaveform[i],0,fmWaveformsLen-1,fmWaveforms[fmWaveform[i]])) {
doGenerateWave();
}
ImGui::PopID();
}
ImGui::EndTable();
}
CENTER_TEXT("Connection Diagram");
ImGui::Text("Connection Diagram");
if (ImGui::BeginTable("WGFMCon",6)) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::Text(">>");
ImGui::TableNextColumn();
ImGui::Text("1");
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::AlignTextToFramePadding();
ImGui::Text("1");
ImGui::TableNextColumn();
if (ImGui::Checkbox("##ConO1",&waveGenFMCon0[0])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##ConO2",&waveGenFMCon0[1])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##ConO3",&waveGenFMCon0[2])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##ConO4",&waveGenFMCon0[3])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##ConOO",&waveGenFMCon0[4])) {
doGenerateWave();
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("2");
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con11",&waveGenFMCon1[0])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con12",&waveGenFMCon1[1])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con13",&waveGenFMCon1[2])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con14",&waveGenFMCon1[3])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con1O",&waveGenFMCon1[4])) {
doGenerateWave();
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("3");
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con21",&waveGenFMCon2[0])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con22",&waveGenFMCon2[1])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con23",&waveGenFMCon2[2])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con24",&waveGenFMCon2[3])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con2O",&waveGenFMCon2[4])) {
doGenerateWave();
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::AlignTextToFramePadding();
ImGui::Text("4");
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con31",&waveGenFMCon3[0])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con32",&waveGenFMCon3[1])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con33",&waveGenFMCon3[2])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con34",&waveGenFMCon3[3])) {
doGenerateWave();
}
ImGui::TableNextColumn();
if (ImGui::Checkbox("##Con3O",&waveGenFMCon3[4])) {
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))/(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",&amp,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",buttonSizeHalf)) {
e->lockEngine([this,wave]() {
for (int i=0; i<wave->len; i++) {
wave->data[i]=wave->max-wave->data[i];
}
MARK_MODIFIED;
});
}
ImGui::SameLine();
if (ImGui::Button("Reverse",buttonSizeHalf)) {
e->lockEngine([this,wave]() {
int origData[256];
memcpy(origData,wave->data,wave->len*sizeof(int));
for (int i=0; i<wave->len; i++) {
wave->data[i]=origData[wave->len-1-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::EndChild();
}
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();
}
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