maxamundsen/autosample
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Death to C++

Browse Source
This commit is contained in:
Max Amundsen
2026-03-09 16:17:05 -04:00
parent b074d2113f
commit 066ac22605
80 changed files with 5671 additions and 39268 deletions
Download Patch File Download Diff File Expand all files Collapse all files

136
src/ui/ui_piano.cpp
View File

@@ -1,136 +0,0 @@
#include "ui/ui_piano.h"
#define PIANO_BLACK_W 11.0f
#define PIANO_BLACK_H_PCT 0.6f
B32 piano_is_black_key(S32 note) {
S32 n = note % 12;
return n == 1 || n == 3 || n == 6 || n == 8 || n == 10;
}
// Velocity-based color: blue (vel 0) → green (mid) → red (vel 127)
Clay_Color piano_velocity_color(S32 velocity) {
F32 t = (F32)velocity / 127.0f;
F32 r, g, b;
if (t < 0.5f) {
F32 s = t * 2.0f;
r = 40.0f + s * (76.0f - 40.0f);
g = 120.0f + s * (175.0f - 120.0f);
b = 220.0f + s * (80.0f - 220.0f);
} else {
F32 s = (t - 0.5f) * 2.0f;
r = 76.0f + s * (220.0f - 76.0f);
g = 175.0f + s * (50.0f - 175.0f);
b = 80.0f + s * (40.0f - 80.0f);
}
return Clay_Color{r, g, b, 255};
}
void ui_piano(UI_PianoState *state, MidiEngine *midi, F32 avail_w, F32 avail_h) {
Clay_ElementId piano_id = CLAY_ID("PianoContainer");
CLAY(piano_id,
.layout = {
.sizing = { .width = CLAY_SIZING_GROW(), .height = CLAY_SIZING_GROW() },
.layoutDirection = CLAY_LEFT_TO_RIGHT,
}
) {
// Compute black key size proportional to white keys
F32 black_key_h = avail_h * PIANO_BLACK_H_PCT;
if (black_key_h < uis(20)) black_key_h = uis(20);
F32 white_key_w = avail_w / 52.0f;
F32 black_key_w = white_key_w * 0.6f;
if (black_key_w < uis(8)) black_key_w = uis(8);
// White keys (grow to fill width and height)
for (S32 note = PIANO_FIRST_NOTE; note <= PIANO_LAST_NOTE; note++) {
if (piano_is_black_key(note)) continue;
B32 midi_held = midi_is_note_held(midi, note);
B32 mouse_held = state->mouse_note == note;
Clay_Color bg;
if (midi_held) {
bg = piano_velocity_color(midi_get_note_velocity(midi, note));
} else if (mouse_held) {
bg = g_theme.accent;
} else {
bg = Clay_Color{240, 240, 240, 255};
}
CLAY(CLAY_IDI("PKey", note),
.layout = {
.sizing = { .width = CLAY_SIZING_GROW(), .height = CLAY_SIZING_GROW() },
},
.backgroundColor = bg,
.border = { .color = {190, 190, 190, 255}, .width = { .right = 1 } },
) {}
}
// Black keys (floating, attached to left white key)
for (S32 note = PIANO_FIRST_NOTE; note <= PIANO_LAST_NOTE; note++) {
if (!piano_is_black_key(note)) continue;
Clay_ElementId parent_wkey = CLAY_IDI("PKey", note - 1);
B32 midi_held = midi_is_note_held(midi, note);
B32 mouse_held = state->mouse_note == note;
Clay_Color bg;
if (midi_held) {
bg = piano_velocity_color(midi_get_note_velocity(midi, note));
} else if (mouse_held) {
bg = g_theme.accent;
} else {
bg = Clay_Color{25, 25, 30, 255};
}
CLAY(CLAY_IDI("PKey", note),
.layout = {
.sizing = {
.width = CLAY_SIZING_FIXED(black_key_w),
.height = CLAY_SIZING_FIXED(black_key_h),
},
},
.backgroundColor = bg,
.cornerRadius = { .topLeft = 0, .topRight = 0, .bottomLeft = uis(2), .bottomRight = uis(2) },
.floating = {
.parentId = parent_wkey.id,
.zIndex = 100,
.attachPoints = {
.element = CLAY_ATTACH_POINT_CENTER_TOP,
.parent = CLAY_ATTACH_POINT_RIGHT_TOP,
},
.attachTo = CLAY_ATTACH_TO_ELEMENT_WITH_ID,
},
) {}
}
}
}
void ui_piano_update_input(UI_PianoState *state) {
PlatformInput input = g_wstate.input;
if (!input.mouse_down) {
state->mouse_note = -1;
return;
}
// Find hovered piano key — check black keys first (they're on top)
S32 hovered_note = -1;
for (S32 note = PIANO_FIRST_NOTE; note <= PIANO_LAST_NOTE; note++) {
if (piano_is_black_key(note) && Clay_PointerOver(CLAY_IDI("PKey", note))) {
hovered_note = note;
break;
}
}
if (hovered_note == -1) {
for (S32 note = PIANO_FIRST_NOTE; note <= PIANO_LAST_NOTE; note++) {
if (!piano_is_black_key(note) && Clay_PointerOver(CLAY_IDI("PKey", note))) {
hovered_note = note;
break;
}
}
}
if (hovered_note != -1) {
state->mouse_note = hovered_note;
}
}