GUI: wave generator, part 1
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@ -4720,7 +4720,8 @@ FurnaceGUI::FurnaceGUI():
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waveGenBaseShape(0),
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waveGenDuty(0.0f),
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waveGenPower(0.0f),
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waveGenInvertPoint(0.0f) {
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waveGenInvertPoint(0.0f),
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waveGenFM(false) {
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// value keys
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valueKeys[SDLK_0]=0;
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valueKeys[SDLK_1]=1;
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@ -4782,6 +4783,20 @@ FurnaceGUI::FurnaceGUI():
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memset(acedData,0,23);
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memset(waveGenAmp,0,sizeof(float)*16);
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memset(waveGenPhase,0,sizeof(float)*16);
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memset(waveGenTL,0,sizeof(float)*4);
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memset(waveGenMult,0,sizeof(int)*4);
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memset(waveGenFB,0,sizeof(float)*4);
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memset(waveGenFMCon1,0,sizeof(bool)*4);
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memset(waveGenFMCon2,0,sizeof(bool)*3);
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memset(waveGenFMCon3,0,sizeof(bool)*2);
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waveGenAmp[0]=1.0f;
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waveGenFMCon1[0]=true;
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waveGenFMCon2[0]=true;
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waveGenFMCon3[0]=true;
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memset(pianoKeyHit,0,sizeof(float)*180);
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memset(pianoKeyPressed,0,sizeof(bool)*180);
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@ -1472,10 +1472,12 @@ class FurnaceGUI {
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float waveGenAmp[16];
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float waveGenPhase[16];
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float waveGenTL[4];
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int waveGenMult[4];
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float waveGenFB[4];
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bool waveGenFMCon1[4];
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bool waveGenFMCon2[3];
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bool waveGenFMCon3[2];
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bool waveGenFM;
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void drawSSGEnv(unsigned char type, const ImVec2& size);
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void drawWaveform(unsigned char type, bool opz, const ImVec2& size);
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@ -1600,6 +1602,8 @@ class FurnaceGUI {
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void noteInput(int num, int key, int vol=-1);
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void valueInput(int num, bool direct=false, int target=-1);
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void doGenerateWave();
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void doUndoSample();
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void doRedoSample();
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@ -17,12 +17,60 @@
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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 <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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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 (waveGenFM) {
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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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finalResult[i]=0.5*(1.0+sin(i*2.0*M_PI/(double)wave->len));
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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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finalResult[i]=2.0*(0.5-fabs(0.5-(i/(double)(wave->len-1))));
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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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finalResult[i]=i/(double)(wave->len-1);
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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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finalResult[i]=(i>=(wave->len/2))?1:0;
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}
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break;
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}
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}
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for (int i=0; i<wave->len; i++) {
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wave->data[i]=round(finalResult[i]*wave->max);
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}
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}
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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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@ -144,10 +192,21 @@ void FurnaceGUI::drawWaveEdit() {
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if (ImGui::BeginTabBar("WaveGenOpt")) {
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if (ImGui::BeginTabItem("Shapes")) {
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ImGui::Button("Square");
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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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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("FM")) {
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waveGenFM=true;
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("Mangle")) {
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