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console and mining tab visual improvements

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This commit is contained in:
DanS
2026-02-27 13:30:06 -06:00
parent 48ce983966
commit eebfd5947e
13 changed files with 962 additions and 183 deletions
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30
src/ui/windows/mining_tab.cpp
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@@ -1021,43 +1021,49 @@ void RenderMiningTab(App* app)
}
// Catmull-Rom spline interpolation for smooth curve
// Subdivisions are adaptive: more when points are far apart,
// none when points are already sub-2px apart.
std::vector<ImVec2> points;
if (n <= 2) {
points = rawPts;
} else {
const int subdivs = 8; // segments between each pair of data points
points.reserve((n - 1) * subdivs + 1);
points.reserve(n * 4); // conservative estimate
for (size_t i = 0; i + 1 < n; i++) {
// Four control points: p0, p1, p2, p3
ImVec2 p0 = rawPts[i > 0 ? i - 1 : 0];
ImVec2 p1 = rawPts[i];
ImVec2 p2 = rawPts[i + 1];
ImVec2 p3 = rawPts[i + 2 < n ? i + 2 : n - 1];
// Adaptive subdivision: ~1 segment per 3px of distance
float dx = p2.x - p1.x, dy = p2.y - p1.y;
float dist = sqrtf(dx * dx + dy * dy);
int subdivs = std::clamp((int)(dist / 3.0f), 1, 16);
for (int s = 0; s < subdivs; s++) {
float t = (float)s / (float)subdivs;
float t2 = t * t;
float t3 = t2 * t;
// Catmull-Rom basis
float q0 = -t3 + 2.0f * t2 - t;
float q1 = 3.0f * t3 - 5.0f * t2 + 2.0f;
float q2 = -3.0f * t3 + 4.0f * t2 + t;
float q3 = t3 - t2;
float sx = 0.5f * (p0.x * q0 + p1.x * q1 + p2.x * q2 + p3.x * q3);
float sy = 0.5f * (p0.y * q0 + p1.y * q1 + p2.y * q2 + p3.y * q3);
// Clamp Y to plot bounds to prevent Catmull-Rom overshoot
sy = std::clamp(sy, plotTop, plotBottom);
points.push_back(ImVec2(sx, sy));
}
}
points.push_back(rawPts[n - 1]); // final point
}
// Fill under curve
for (size_t i = 0; i + 1 < points.size(); i++) {
ImVec2 quad[4] = {
points[i], points[i + 1],
ImVec2(points[i + 1].x, plotBottom),
ImVec2(points[i].x, plotBottom)
};
dl->AddConvexPolyFilled(quad, 4, WithAlpha(Success(), 25));
// Fill under curve (single concave polygon to avoid AA seam shimmer)
if (points.size() >= 2) {
for (size_t i = 0; i < points.size(); i++)
dl->PathLineTo(points[i]);
dl->PathLineTo(ImVec2(points.back().x, plotBottom));
dl->PathLineTo(ImVec2(points.front().x, plotBottom));
dl->PathFillConcave(WithAlpha(Success(), 25));
}
// Green line