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102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
#include <algorithm>
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#include "UI/JoystickHistoryView.h"
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#include "Common/UI/Context.h"
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#include "Common/UI/UI.h"
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// From ControlMapper.h
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void ConvertAnalogStick(float &x, float &y);
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void JoystickHistoryView::Draw(UIContext &dc) {
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const AtlasImage *image = dc.Draw()->GetAtlas()->getImage(ImageID("I_CROSS"));
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if (!image) {
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return;
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}
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float minRadius = std::min(bounds_.w, bounds_.h) * 0.5f - image->w;
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dc.Begin();
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Bounds textBounds(bounds_.x, bounds_.centerY() + minRadius + 5.0, bounds_.w, bounds_.h / 2 - minRadius - 5.0);
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dc.DrawTextShadowRect(title_.c_str(), textBounds, 0xFFFFFFFF, ALIGN_TOP | ALIGN_HCENTER | FLAG_WRAP_TEXT);
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dc.Flush();
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dc.BeginNoTex();
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dc.Draw()->RectOutline(bounds_.centerX() - minRadius, bounds_.centerY() - minRadius, minRadius * 2.0f, minRadius * 2.0f, 0x80FFFFFF);
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dc.Flush();
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dc.Begin();
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// First draw a grid.
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float dx = 1.0f / 10.0f;
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for (int ix = -10; ix <= 10; ix++) {
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// First draw vertical lines.
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float fx = ix * dx;
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for (int iy = -10; iy < 10; iy++) {
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float ax = fx;
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float ay = iy * dx;
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float bx = fx;
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float by = (iy + 1) * dx;
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if (type_ == StickHistoryViewType::OUTPUT) {
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ConvertAnalogStick(ax, ay);
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ConvertAnalogStick(bx, by);
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}
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ax = ax * minRadius + bounds_.centerX();
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ay = ay * minRadius + bounds_.centerY();
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bx = bx * minRadius + bounds_.centerX();
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by = by * minRadius + bounds_.centerY();
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dc.Draw()->Line(dc.theme->whiteImage, ax, ay, bx, by, 1.0, 0x70FFFFFF);
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}
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}
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for (int iy = -10; iy <= 10; iy++) {
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// Then horizontal.
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float fy = iy * dx;
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for (int ix = -10; ix < 10; ix++) {
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float ax = ix * dx;
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float ay = fy;
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float bx = (ix + 1) * dx;
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float by = fy;
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if (type_ == StickHistoryViewType::OUTPUT) {
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ConvertAnalogStick(ax, ay);
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ConvertAnalogStick(bx, by);
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}
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ax = ax * minRadius + bounds_.centerX();
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ay = ay * minRadius + bounds_.centerY();
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bx = bx * minRadius + bounds_.centerX();
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by = by * minRadius + bounds_.centerY();
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dc.Draw()->Line(dc.theme->whiteImage, ax, ay, bx, by, 1.0, 0x70FFFFFF);
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}
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}
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int a = maxCount_ - (int)locations_.size();
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for (auto iter = locations_.begin(); iter != locations_.end(); ++iter) {
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float x = bounds_.centerX() + minRadius * iter->x;
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float y = bounds_.centerY() - minRadius * iter->y;
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float alpha = (float)a / (float)(maxCount_ - 1);
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if (alpha < 0.0f) {
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alpha = 0.0f;
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}
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// Emphasize the newest (higher) ones.
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alpha = powf(alpha, 3.7f);
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// Highlight the output (and OTHER)
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if (alpha >= 1.0f && type_ != StickHistoryViewType::INPUT) {
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dc.Draw()->DrawImage(ImageID("I_CIRCLE"), x, y, 1.0f, colorAlpha(0xFFFFFF, 1.0), ALIGN_CENTER);
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} else {
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dc.Draw()->DrawImage(ImageID("I_CIRCLE"), x, y, 0.8f, colorAlpha(0xC0C0C0, alpha * 0.5f), ALIGN_CENTER);
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}
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a++;
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}
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dc.Flush();
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}
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void JoystickHistoryView::Update() {
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locations_.push_back(Location{ curX_, curY_ });
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if ((int)locations_.size() > maxCount_) {
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locations_.pop_front();
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}
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}
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