mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
146 lines
3.0 KiB
C++
146 lines
3.0 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "cpld_update.hpp"
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#include "portapack.hpp"
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#include "event_m0.hpp"
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#include "ui_about.hpp"
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#include "portapack_shared_memory.hpp"
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#include "portapack_persistent_memory.hpp"
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#include "lpc43xx_cpp.hpp"
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#include <math.h>
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#include <cstring>
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using namespace lpc43xx;
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using namespace portapack;
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namespace ui {
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// This is pretty much WaterfallView but in the opposite direction
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CreditsWidget::CreditsWidget(
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Rect parent_rect
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) : Widget { parent_rect }
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{
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}
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void CreditsWidget::paint(Painter&) {
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}
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void CreditsWidget::on_show() {
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clear();
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const auto screen_r = screen_rect();
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display.scroll_set_area(screen_r.top(), screen_r.bottom());
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}
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void CreditsWidget::on_hide() {
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display.scroll_disable();
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}
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void CreditsWidget::new_row(
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const std::array<Color, 240>& pixel_row
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) {
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const auto draw_y = display.scroll(-1);
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display.draw_pixels(
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{ { 0, draw_y }, { 240, 1 } },
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pixel_row
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);
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}
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void CreditsWidget::clear() {
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display.fill_rectangle(
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screen_rect(),
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Color::black()
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);
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}
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void AboutView::update() {
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size_t i = 0;
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std::array<Color, 240> pixel_row;
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slow_down++;
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if (slow_down & 1) return;
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if (!timer) {
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if (loop) {
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credits_index = 0;
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loop = false;
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}
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text = credits[credits_index].text;
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timer = credits[credits_index].delay;
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start_pos = credits[credits_index].start_pos;
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if (timer < 0) {
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timer = 240;
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loop = true;
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} else {
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timer += 16;
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}
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render_line = 0;
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credits_index++;
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} else
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timer--;
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if (render_line < 16) {
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for (const auto c : text) {
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const auto glyph = style().font.glyph(c);
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const size_t start = (glyph.size().width() / 8) * render_line;
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for(Dim c=0; c<glyph.size().width(); c++) {
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const auto pixel = glyph.pixels()[start + (c >> 3)] & (1U << (c & 0x7));
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pixel_row[start_pos + i + c] = pixel ? Color::white() : Color::black();
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}
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const auto advance = glyph.advance();
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i += advance.x();
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}
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render_line++;
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}
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credits_display.new_row(pixel_row);
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}
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AboutView::AboutView(
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NavigationView& nav
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) {
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add_children({
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&credits_display,
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&button_ok
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});
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button_ok.on_select = [&nav](Button&){
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nav.pop();
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};
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}
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void AboutView::focus() {
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button_ok.focus();
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}
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} /* namespace ui */
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