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GUI: add a wavetable editor

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This commit is contained in:
tildearrow 2021-12-18 17:54:26 -05:00
parent beceefd34b
commit 9d8a2f780b
7 changed files with 214 additions and 5 deletions
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44
src/gui/gui.cpp
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@ -8,6 +8,7 @@
#include "imgui.h"
#include "imgui_internal.h"
#include "ImGuiFileDialog.h"
#include "plot_nolerp.h"
#include "misc/cpp/imgui_stdlib.h"
#include <zlib.h>
#include <fmt/printf.h>
@ -635,11 +636,9 @@ void FurnaceGUI::drawWaveList() {
for (int i=0; i<(int)e->song.wave.size(); i++) {
DivWavetable* wave=e->song.wave[i];
for (int i=0; i<wave->len; i++) {
wavePreview[i<<2]=wave->data[i];
wavePreview[1+(i<<2)]=wave->data[i];
wavePreview[2+(i<<2)]=wave->data[i];
wavePreview[3+(i<<2)]=wave->data[i];
wavePreview[i]=wave->data[i];
}
if (wave->len>0) wavePreview[wave->len]=wave->data[wave->len-1];
if (ImGui::Selectable(fmt::sprintf("%.2x##_WAVE%d\n",i,i).c_str(),curWave==i)) {
curWave=i;
}
@ -649,7 +648,7 @@ void FurnaceGUI::drawWaveList() {
}
}
ImGui::SameLine();
ImGui::PlotLines(fmt::sprintf("##_WAVEP%d",i).c_str(),wavePreview,wave->len*4,0,NULL,0,32);
PlotNoLerp(fmt::sprintf("##_WAVEP%d",i).c_str(),wavePreview,wave->len+1,0,NULL,0,e->getWaveRes(e->song.system));
}
}
if (ImGui::IsWindowFocused()) curWindow=GUI_WINDOW_WAVE_LIST;
@ -658,7 +657,30 @@ void FurnaceGUI::drawWaveList() {
void FurnaceGUI::drawWaveEdit() {
if (!waveEditOpen) return;
float wavePreview[256];
if (ImGui::Begin("Wavetable Editor",&waveEditOpen)) {
if (curWave<0 || curWave>=(int)e->song.wave.size()) {
ImGui::Text("no wavetable selected");
} else {
DivWavetable* wave=e->song.wave[curWave];
for (int i=0; i<wave->len; i++) {
wavePreview[i]=wave->data[i];
}
if (wave->len>0) wavePreview[wave->len]=wave->data[wave->len-1];
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding,ImVec2(0.0f,0.0f));
ImVec2 contentRegion=ImGui::GetContentRegionAvail();
PlotNoLerp("##Waveform",wavePreview,wave->len+1,0,NULL,0,e->getWaveRes(e->song.system),contentRegion);
if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
waveDragStart=ImGui::GetItemRectMin();
waveDragAreaSize=contentRegion;
waveDragMin=0;
waveDragMax=e->getWaveRes(e->song.system);
waveDragLen=wave->len;
waveDragActive=true;
waveDragTarget=wave->data;
}
ImGui::PopStyleVar();
}
}
if (ImGui::IsWindowFocused()) curWindow=GUI_WINDOW_WAVE_EDIT;
ImGui::End();
@ -1319,10 +1341,22 @@ bool FurnaceGUI::loop() {
*macroLoopDragTarget=x;
}
}
if (waveDragActive) {
if (waveDragLen>0) {
int x=(ev.motion.x-waveDragStart.x)*waveDragLen/waveDragAreaSize.x;
if (x<0) x=0;
if (x>=waveDragLen) x=waveDragLen-1;
int y=round(waveDragMax-((ev.motion.y-waveDragStart.y)*(double(waveDragMax-waveDragMin)/(double)waveDragAreaSize.y)));
if (y>waveDragMax) y=waveDragMax;
if (y<waveDragMin) y=waveDragMin;
waveDragTarget[x]=y;
}
}
break;
case SDL_MOUSEBUTTONUP:
macroDragActive=false;
macroLoopDragActive=false;
waveDragActive=false;
if (selecting) finishSelection();
break;
case SDL_WINDOWEVENT: