35 lines
752 B
C++
35 lines
752 B
C++
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#include "screen.h"
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Screen::Screen(std::weak_ptr<ScreenStack> stack) : stack(stack) {}
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ScreenStack::Ptr ScreenStack::new_instance() {
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std::shared_ptr<ScreenStack> ptr =
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std::shared_ptr<ScreenStack>(new ScreenStack{});
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ptr->self_weak = ptr;
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return ptr;
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}
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void ScreenStack::update(float dt) {
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auto idx = stack.size();
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while (idx > 0 && stack.at(--idx)->update(dt)) {
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}
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}
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void ScreenStack::draw() {
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auto idx = stack.size();
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while (idx > 0 && stack.at(--idx)->draw()) {
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}
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}
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void ScreenStack::push_screen(Screen::Ptr &&screen) {
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stack.emplace_back(std::forward<Screen::Ptr>(screen));
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}
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void ScreenStack::pop_screen() {
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if (!stack.empty()) {
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stack.pop_back();
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}
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}
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ScreenStack::ScreenStack() : self_weak(), stack() {}
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