Add bpm light changer
This commit is contained in:
illyum
parent
9b738c359d
commit
332d3e3b33
@ -15,7 +15,7 @@ set(CMAKE_CXX_STANDARD 23)
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set(CMAKE_CXX_STANDARD_REQUIRED True)
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set(FETCHCONTENT_QUIET OFF)
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add_executable(${PROJECT_NAME} main.cpp tinyfiledialogs.c)
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add_executable(${PROJECT_NAME} main.cpp tinyfiledialogs.c timeline.cpp)
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include(FetchContent)
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FetchContent_Declare(
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79
ImSequencer.h
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79
ImSequencer.h
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@ -0,0 +1,79 @@
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// https://github.com/CedricGuillemet/ImGuizmo
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// v 1.89 WIP
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//
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// The MIT License(MIT)
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//
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// Copyright(c) 2021 Cedric Guillemet
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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#pragma once
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#include <cstddef>
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struct ImDrawList;
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struct ImRect;
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namespace ImSequencer
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{
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enum SEQUENCER_OPTIONS
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{
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SEQUENCER_EDIT_NONE = 0,
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SEQUENCER_EDIT_STARTEND = 1 << 1,
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SEQUENCER_CHANGE_FRAME = 1 << 3,
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SEQUENCER_ADD = 1 << 4,
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SEQUENCER_DEL = 1 << 5,
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SEQUENCER_COPYPASTE = 1 << 6,
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SEQUENCER_EDIT_ALL = SEQUENCER_EDIT_STARTEND | SEQUENCER_CHANGE_FRAME
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};
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struct SequenceInterface
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{
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bool focused = false;
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virtual int GetFrameMin() const = 0;
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virtual int GetFrameMax() const = 0;
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virtual int GetItemCount() const = 0;
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virtual void BeginEdit(int /*index*/) {}
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virtual void EndEdit() {}
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virtual int GetItemTypeCount() const { return 0; }
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virtual const char* GetItemTypeName(int /*typeIndex*/) const { return ""; }
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virtual const char* GetItemLabel(int /*index*/) const { return ""; }
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virtual const char* GetCollapseFmt() const { return "%d Frames / %d entries"; }
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virtual void Get(int index, int** start, int** end, int* type, unsigned int* color) = 0;
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virtual void Add(int /*type*/) {}
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virtual void Del(int /*index*/) {}
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virtual void Duplicate(int /*index*/) {}
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virtual void Copy() {}
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virtual void Paste() {}
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virtual size_t GetCustomHeight(int /*index*/) { return 0; }
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virtual void DoubleClick(int /*index*/) {}
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virtual void CustomDraw(int /*index*/, ImDrawList* /*draw_list*/, const ImRect& /*rc*/, const ImRect& /*legendRect*/, const ImRect& /*clippingRect*/, const ImRect& /*legendClippingRect*/) {}
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virtual void CustomDrawCompact(int /*index*/, ImDrawList* /*draw_list*/, const ImRect& /*rc*/, const ImRect& /*clippingRect*/) {}
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virtual ~SequenceInterface() = default;
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};
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// return true if selection is made
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bool Sequencer(SequenceInterface* sequence, int* currentFrame, bool* expanded, int* selectedEntry, int* firstFrame, int sequenceOptions);
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}
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148
main.cpp
148
main.cpp
@ -21,6 +21,7 @@ void sendDMXData(HANDLE hSerial, unsigned char* data, int length);
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void setupImGui(GLFWwindow* window);
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void renderImGui();
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void renderImGuiBpm();
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void renderTestImGui();
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// ui timeline stuff
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@ -34,6 +35,9 @@ float bpm = 120.0f; // Default BPM
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float zoom_level = 1.0f; // Zoom level
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float pan_offset = 0.0f; // Pan offset
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// Calculate time per beat based on BPM
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float beat_interval = 60.0f / bpm;
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// audio stuff
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ma_sound sound;
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ma_engine engine;
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@ -120,8 +124,10 @@ int main() {
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ImGui_ImplGlfw_NewFrame();
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ImGui::NewFrame();
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renderImGui();
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renderImGuiBpm();
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// renderImGui();
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// renderImGuiBpm();
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renderTestImGui();
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ImGui::Render();
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@ -346,9 +352,6 @@ void setupImGui(GLFWwindow* window) {
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}
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void renderImGui() {
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// Calculate time per beat based on BPM
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float beat_interval = 60.0f / bpm;
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// Temporary variables to hold the slider values
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int channel1 = buffer[0];
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int channel2 = buffer[1];
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@ -671,3 +674,138 @@ void renderImGuiBpm() {
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ImGui::End();
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}
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void renderTestImGui() {
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ImGui::Begin("Timeline");
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// Time Slider (Timeline Position)
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ImGui::SliderFloat("Timeline Position", &timeline_position, 0.0f, timeline_duration, "%.2f sec");
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// Custom timeline rendering with grid lines
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ImGui::Text("Timeline");
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ImGui::PushID("CustomTimeline");
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ImGui::BeginChild("##Timeline", ImVec2(ImGui::GetContentRegionAvail().x, 150), true);
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// Draw grid lines for beats
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ImDrawList* draw_list = ImGui::GetWindowDrawList();
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ImVec2 cursor_pos = ImGui::GetCursorScreenPos();
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float timeline_width = ImGui::GetContentRegionAvail().x;
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// Draw the audio waveform if loaded
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if (audioDataLoaded && !downsampledAudioSamples.empty()) {
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float timelineHeight = 100.0f; // Total height of the timeline
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float waveformHeight = timelineHeight / 2.0f; // Waveform takes half the height of the timeline
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float yOffset = cursor_pos.y + timelineHeight / 2.0f; // Center the waveform vertically
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int sampleCount = static_cast<int>(downsampledAudioSamples.size()) / 2;
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// Adjust the scaling to fit the timeline duration
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float pixelsPerSample = (timeline_width * zoom_level) / timeline_duration;
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for (int i = 0; i < sampleCount - 1; ++i) {
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float x1 = cursor_pos.x + i * pixelsPerSample;
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float x2 = cursor_pos.x + (i + 1) * pixelsPerSample;
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float y1_max = yOffset - (downsampledAudioSamples[i * 2] * waveformHeight);
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float y1_min = yOffset - (downsampledAudioSamples[i * 2 + 1] * waveformHeight);
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float y2_max = yOffset - (downsampledAudioSamples[(i + 1) * 2] * waveformHeight);
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float y2_min = yOffset - (downsampledAudioSamples[(i + 1) * 2 + 1] * waveformHeight);
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draw_list->AddLine(ImVec2(x1, y1_max), ImVec2(x2, y2_max), IM_COL32(0, 255, 0, 255), 1.0f);
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draw_list->AddLine(ImVec2(x1, y1_min), ImVec2(x2, y2_min), IM_COL32(0, 255, 0, 255), 1.0f);
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}
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}
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for (int i = 0; i <= static_cast<int>(timeline_duration / beat_interval); ++i) {
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float beat_position = i * beat_interval * zoom_level - pan_offset;
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float x_position = cursor_pos.x + (beat_position / timeline_duration) * timeline_width;
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if (x_position >= cursor_pos.x && x_position <= cursor_pos.x + timeline_width) {
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// Draw major beat line
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if (i % 4 == 0) {
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draw_list->AddLine(ImVec2(x_position, cursor_pos.y), ImVec2(x_position, cursor_pos.y + 100), IM_COL32(255, 0, 0, 255), 2.0f);
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}
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else {
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// Draw minor beat line
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draw_list->AddLine(ImVec2(x_position, cursor_pos.y), ImVec2(x_position, cursor_pos.y + 100), IM_COL32(255, 255, 255, 255), 1.0f);
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}
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}
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}
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// Draw the current timeline position marker
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float position_marker = (timeline_position * zoom_level - pan_offset) / timeline_duration * timeline_width;
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draw_list->AddLine(ImVec2(cursor_pos.x + position_marker, cursor_pos.y), ImVec2(cursor_pos.x + position_marker, cursor_pos.y + 100), IM_COL32(0, 0, 255, 255), 2.0f);
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// Allow adding markers with snapping to grid
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if (ImGui::Button("Add Marker")) {
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float snap_position = std::round(timeline_position / beat_interval) * beat_interval;
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markers.emplace_back(snap_position / timeline_duration, buffer[0], buffer[1], buffer[2]);
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}
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// Add Random Marker button
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ImGui::SameLine();
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if (ImGui::Button("Add Random Marker")) {
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float snap_position = std::round(timeline_position / beat_interval) * beat_interval;
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// Generate random colors
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unsigned char r = rand() % 256;
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unsigned char g = rand() % 256;
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unsigned char b = rand() % 256;
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// Add the marker with random colors
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markers.emplace_back(snap_position / timeline_duration, r, g, b);
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}
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// Draw markers on the timeline
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for (const auto& marker : markers) {
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float marker_position = std::get<0>(marker) * timeline_duration * zoom_level - pan_offset;
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float x_position = cursor_pos.x + (marker_position / timeline_duration) * timeline_width;
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if (x_position >= cursor_pos.x && x_position <= cursor_pos.x + timeline_width) {
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draw_list->AddRectFilled(ImVec2(x_position - 2.0f, cursor_pos.y), ImVec2(x_position + 2.0f, cursor_pos.y + 100), IM_COL32(0, 255, 0, 255));
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}
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}
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ImGui::EndChild();
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ImGui::PopID();
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// Playback logic: Update timeline position based on playback time
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if (is_playing) {
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current_time = static_cast<float>(glfwGetTime()) - playback_start_time;
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timeline_position = current_time;
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for (const auto& marker : markers) {
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float marker_time = std::get<0>(marker) * timeline_duration;
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if (current_time >= marker_time && current_time < marker_time + 0.025f) {
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buffer[0] = std::get<1>(marker);
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buffer[1] = std::get<2>(marker);
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buffer[2] = std::get<3>(marker);
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}
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}
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if (timeline_position >= timeline_duration) {
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is_playing = false;
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timeline_position = timeline_duration;
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if (audioLoaded) {
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ma_sound_stop(&sound);
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}
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}
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}
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// Display added markers with their RGB values and time
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for (const auto& marker : markers) {
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float marker_time = std::get<0>(marker) * timeline_duration;
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ImGui::Text("Marker at %.2f sec: R=%d, G=%d, B=%d",
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marker_time,
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std::get<1>(marker),
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std::get<2>(marker),
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std::get<3>(marker));
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}
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ImGui::End();
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}
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33
notes.md
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33
notes.md
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https://github.com/epezent/implot
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licences for tinyfiledialog and miniaudio
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Might need drigers?
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https://ftdichip.com/drivers/
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On windows you can find the com port stuff using the `mode` command:
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```
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C:\Users\illyum>mode
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Status for device COM3:
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-----------------------
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Baud: 1200
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Parity: None
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Data Bits: 7
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Stop Bits: 1
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Timeout: OFF
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XON/XOFF: OFF
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CTS handshaking: OFF
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DSR handshaking: OFF
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DSR sensitivity: OFF
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DTR circuit: ON
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RTS circuit: ON
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Status for device CON:
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----------------------
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Lines: 9001
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Columns: 135
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Keyboard rate: 31
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Keyboard delay: 1
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Code page: 437
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```
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