Shadowtrance
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
#ifdef ESP_PLATFORM
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#include "StackChanScreensaver.h"
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#include <algorithm>
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namespace tt::service::displayidle {
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static lv_obj_t* makeFacePart(lv_obj_t* parent, lv_coord_t w, lv_coord_t h, lv_coord_t offX, lv_coord_t offY, bool circle) {
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lv_obj_t* obj = lv_obj_create(parent);
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lv_obj_remove_style_all(obj);
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lv_obj_set_size(obj, w, h);
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lv_obj_set_style_bg_opa(obj, LV_OPA_COVER, 0);
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lv_obj_set_style_bg_color(obj, lv_color_black(), 0);
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lv_obj_set_style_radius(obj, circle ? LV_RADIUS_CIRCLE : 0, 0);
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lv_obj_align(obj, LV_ALIGN_CENTER, offX, offY);
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return obj;
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}
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void StackChanScreensaver::start(lv_obj_t* overlay, lv_coord_t screenW, lv_coord_t screenH) {
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// Scale face to ~12% of the shorter screen dimension, preserving 4:3 aspect ratio
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lv_coord_t shorter = (screenW < screenH) ? screenW : screenH;
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logoH_ = shorter / 8;
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logoW_ = logoH_ * 4 / 3;
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// Face part sizes scaled proportionally to original (64x48 base with 6px eyes, 18x2 mouth)
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lv_coord_t eyeSize = std::max<lv_coord_t>(2, logoH_ / 8);
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lv_coord_t eyeOffX = logoW_ / 4;
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lv_coord_t eyeOffY = -(logoH_ / 10);
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lv_coord_t mouthW = logoW_ * 18 / 64;
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lv_coord_t mouthH = std::max<lv_coord_t>(2, logoH_ / 24);
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lv_coord_t mouthOffY = logoH_ / 10;
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// Speed: ~5% of shorter dimension per second at 50ms tick = 0.25% per tick
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lv_coord_t speed = std::max<lv_coord_t>(2, shorter / 80);
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logo_ = lv_obj_create(overlay);
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lv_obj_remove_style_all(logo_);
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lv_obj_set_size(logo_, logoW_, logoH_);
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lv_obj_set_style_bg_opa(logo_, LV_OPA_COVER, 0);
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lv_obj_set_style_bg_color(logo_, lv_color_hex(COLORS[0]), 0);
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lv_obj_set_style_radius(logo_, 0, 0);
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lv_obj_clear_flag(logo_, LV_OBJ_FLAG_SCROLLABLE);
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leftEye_ = makeFacePart(logo_, eyeSize, eyeSize, -eyeOffX, eyeOffY, true);
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rightEye_ = makeFacePart(logo_, eyeSize, eyeSize, eyeOffX, eyeOffY, true);
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mouth_ = makeFacePart(logo_, mouthW, mouthH, 0, mouthOffY, false);
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x_ = (screenW - logoW_) / 2;
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y_ = (screenH - logoH_) / 2;
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dx_ = speed;
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dy_ = speed;
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colorIndex_ = 0;
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lv_obj_set_pos(logo_, x_, y_);
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}
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void StackChanScreensaver::stop() {
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logo_ = nullptr;
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leftEye_ = nullptr;
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rightEye_ = nullptr;
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mouth_ = nullptr;
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}
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void StackChanScreensaver::update(lv_coord_t screenW, lv_coord_t screenH) {
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if (!logo_) return;
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x_ += dx_;
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y_ += dy_;
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bool collided = false;
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if (x_ <= 0) {
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x_ = 0;
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dx_ = -dx_;
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collided = true;
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} else if (x_ >= screenW - logoW_) {
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x_ = screenW - logoW_;
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dx_ = -dx_;
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collided = true;
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}
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if (y_ <= 0) {
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y_ = 0;
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dy_ = -dy_;
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collided = true;
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} else if (y_ >= screenH - logoH_) {
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y_ = screenH - logoH_;
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dy_ = -dy_;
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collided = true;
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}
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if (collided) {
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colorIndex_ = (colorIndex_ + 1) % static_cast<int>(COLORS.size());
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lv_obj_set_style_bg_color(logo_, lv_color_hex(COLORS[colorIndex_]), 0);
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}
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lv_obj_set_pos(logo_, x_, y_);
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}
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} // namespace tt::service::displayidle
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#endif // ESP_PLATFORM
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