diff options
Diffstat (limited to 'src/synth_gui.c')
| -rw-r--r-- | src/synth_gui.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/synth_gui.c b/src/synth_gui.c new file mode 100644 index 0000000..3cfde6f --- /dev/null +++ b/src/synth_gui.c @@ -0,0 +1,173 @@ +#include "synth_gui.h" +#define RAYGUI_IMPLEMENTATION +#include "raygui.h" +//#include "raylib.h" + + +void +set_note(void *synthData, float note, PaTime time, int key) +{ + synth_t * synth = (synth_t *)synthData; + + synth->n.key = key; + synth->n.freq = note; + synth->n.noteOn = time; + synth->n.noteOff = 0; + synth->n.elapsed = 0; + synth->adsr.elapsed = 0; +} + + +void +keyboard(void *synthData, PaStream *stream) +{ + synth_t * synth = (synth_t *)synthData; + + int keys[] = {KEY_Q, KEY_TWO, KEY_W, KEY_THREE, KEY_E, KEY_R, KEY_FIVE, KEY_T, KEY_SIX, KEY_Y, KEY_SEVEN, KEY_U, KEY_I, KEY_NINE, KEY_O, KEY_ZERO, KEY_P, KEY_LEFT_BRACKET, KEY_EQUAL, KEY_RIGHT_BRACKET, 0}; + + float note; + + for (int i = 0; keys[i]; i++) { + if (IsKeyPressed(keys[i])) { + note = notes[i % 12][(synth->octave + (i / 12)) % 8]; + if (note) { + set_note(synth, note, Pa_GetStreamTime(stream), keys[i]); + printf("Note On : %s[%d]\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8); + } + } + } + for (int i = 0; keys[i]; i++) { + if (IsKeyReleased(keys[i])) { + if (synth->n.key == keys[i]) { + synth->n.noteOff = Pa_GetStreamTime(stream); + printf("Note Off: %s[%d]\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8); + } + } + } +} + +void +draw_adsr_sliders(synth_t * synth, int x, int y, int width, int height, int offset) +{ + char buf[64]; + int count = 0; + + snprintf(buf, sizeof buf, "%.3f", synth->adsr.a); + synth->adsr.a = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "A: ", buf, synth->adsr.a , 0.001f, 2.0f); + snprintf(buf, sizeof buf, "%.3f", synth->adsr.d); + synth->adsr.d = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "D: ", buf, synth->adsr.d , 0.001f, 2.0f); + snprintf(buf, sizeof buf, "%.3f", synth->adsr.s); + synth->adsr.s = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "S: ", buf, synth->adsr.s , 0.0f, 1.0f); + snprintf(buf, sizeof buf, "%.3f", synth->adsr.r); + synth->adsr.r = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "R: ", buf, synth->adsr.r , -0.001f, 3.0f); + snprintf(buf, sizeof buf, "%.3f", synth->cutoff); + synth->cutoff = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "fC: ", buf, synth->cutoff , 0.0f, 11000.0f); + snprintf(buf, sizeof buf, "%.3f", synth->resonance); + synth->resonance = GuiSliderBar((Rectangle){ x, y + count++ * (height + offset), width, height }, "fR: ", buf, synth->resonance , 0.001f, 5.0f); +} + +void +draw_signals(synth_t * synth, int x, int y, int width, int height) +{ + DrawRectangleLines(x, y, width, height, BLACK); + + int point_radius = 1.5; + + GuiSpinner((Rectangle){ x+ 100, y - 24 - 6, 100, 24 }, "rate divider: ", &(synth->viz.sample_rate_divider), 1, 10, 0); + int period = (1 / (synth->n.freq + 1)) * SAMPLE_RATE / synth->viz.sample_rate_divider; + + if (synth->multi) { + for (int i = x; i < WIDTH - x; i++) { + DrawCircle(i , y + height / 2 + floor(50 * make_sample(i - x, synth, SAMPLE_RATE / synth->viz.sample_rate_divider, 1)), point_radius, RED); + } + } else { + for (int i = x; i < WIDTH - x; i++) { + //DrawCircle((WIDTH - (1 / (synth->n.freq + 1)) * SAMPLE_RATE) / 2 + i , (HEIGHT / 2) + floor(50 * make_sample(i % period, synth, SAMPLE_RATE)), point_radius, RED); + DrawCircle(i , y + height / 2 + floor(50 * make_sample((i - x) % period, synth, SAMPLE_RATE / synth->viz.sample_rate_divider, 1)), point_radius, RED); + } + } + + for (int i = x; i < WIDTH - x; i++) { + DrawCircle(i , y + height - 1+ floor((WIDTH / 24) * - adsr_amplitude(synth, synth->adsr.elapsed)), point_radius, GREEN); + } + float adsr_duration = synth->adsr.a + synth->adsr.d + (synth->adsr.a + synth->adsr.d + synth->adsr.r) / 3.0 + synth->adsr.r; + for (int i = x; i < WIDTH - x; i++) { + DrawCircle(i , y + height - 1 + floor((WIDTH / 24) * - adsr_amplitude(synth, (i - x) * (adsr_duration * SAMPLE_RATE) / WIDTH)), point_radius, BLUE); + } +} + +void +rayrun(void *synthData, PaStream *stream) +{ + synth_t * synth = (synth_t *)synthData; + PaTime current_time = 0; + PaTime prev_time = 0; + + InitWindow(WIDTH, HEIGHT, "Raylib synth"); + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + while (!WindowShouldClose()) { + + keyboard(synth, stream); + int prec = 100000; + + if (IsKeyPressed(KEY_ENTER)) { + synth->multi = !synth->multi; + } + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + ClearBackground(RAYWHITE); + + // GUI + char buf[64]; + + draw_adsr_sliders(synth, 30, 20, 256, 20, 4); + + + if ( GuiButton((Rectangle){ WIDTH / 2 - 108, 150 - 42 - 6 - 6, 216, 6 }, "")) { + synth->freq_offset = 0; + } + snprintf(buf, sizeof buf, "%.1f", synth->freq_offset); + synth->freq_offset = GuiSliderBar((Rectangle){ WIDTH / 2 - 108, 150 - 42, 216, 24 }, "fine", buf, synth->freq_offset , -20.0f, 20.0f); + + if ( GuiButton((Rectangle){ WIDTH / 2 - 108, 150 - 6 - 6, 216, 6 }, "")) { + synth->gain = 1; + } + snprintf(buf, sizeof buf, "%.1f", synth->gain); + synth->gain = GuiSliderBar((Rectangle){ WIDTH / 2 - 108, 150, 216, 24 }, "gain", buf, synth->gain , 0.0f, 2.0f); + + if ( GuiButton((Rectangle){ WIDTH / 2 - 108, 150 - 6 - 6 + 42, 216, 6 }, "")) { + synth->x = 1; + } + snprintf(buf, sizeof buf, "%.1f", synth->x); + synth->x = GuiSliderBar((Rectangle){ WIDTH / 2 - 108, 150 + 42, 216, 24 }, "x", buf, synth->x , 0.0f, 2.0f); + + synth->multi = GuiToggle((Rectangle){ WIDTH - 100 - 50 - 100 - 50 , 50, 100, 24 }, "!MULTI!", synth->multi); + synth->filter = GuiToggle((Rectangle){ WIDTH - 100 - 50 - 100 - 50 , 50 + 24 + 6, 100, 24 }, "FILTER", synth->filter); + + GuiSpinner((Rectangle){ WIDTH - 100 - 50 , 50, 100, 24 }, "oct: ", &(synth->octave), 0, 7, 0); + snprintf(buf, sizeof buf, "generator %d --> ", synth->geni); + GuiSpinner((Rectangle){ WIDTH - 100 - 50 , 50 + 24 + 6, 100, 24 }, buf, &(synth->geni), 0, 3, 0); + + synth->clamp = GuiToggle((Rectangle){ WIDTH - 100 - 50, 50 + 24 + 6 + 24 + 6, 100, 24 }, "clamp", synth->clamp); + + + // signals + draw_signals(synth, 20, 390, WIDTH - 2*20, 200); + + DrawText("THE SYNTH!!!!!!!!!!!!!!!!!!1", WIDTH / 2 - 100, 50, 20, LIGHTGRAY); + DrawText("KEYBOARD: Q .. ] TOGGLE MULTI: ENTER", WIDTH / 2 -300, HEIGHT - 20 - 50, 20, LIGHTGRAY); + snprintf(buf, sizeof buf, "time?: %lld adsr: %lld note: %lld", synth->adsr.elapsed / SAMPLE_RATE, synth->adsr.elapsed, synth->n.elapsed); + DrawText(buf, WIDTH / 2 -300, HEIGHT - 40 - 50, 20, LIGHTGRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + + current_time = Pa_GetStreamTime(stream); + //printf("%f :: %ld\n", current_time - prev_time, phase); + + prev_time = current_time; + } + CloseWindow(); +} |