khodowany
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
#include <algorithm>
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#include <vamp_zero/navigation.hpp>
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auto vamp_zero::selected_group(vamp_zero::app_state const &state) -> vamp_zero::song_group const * {
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if (state.selected_song_index == 0U || state.catalog->groups.empty()) {
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return nullptr;
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}
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auto index = state.selected_song_index - 1U;
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if (index >= state.catalog->groups.size()) {
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return nullptr;
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}
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return &state.catalog->groups[index];
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}
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auto vamp_zero::selected_part(vamp_zero::app_state const &state) -> vamp_zero::library_part const * {
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auto const *group = vamp_zero::selected_group(state);
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if (state.selected_part_index == 0U || group == nullptr || group->parts.empty()) {
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return nullptr;
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}
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auto index = state.selected_part_index - 1U;
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if (index >= group->parts.size()) {
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return nullptr;
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}
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auto part_index = group->parts[index];
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return part_index < state.catalog->parts.size() ? &state.catalog->parts[part_index] : nullptr;
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}
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auto vamp_zero::active_part(vamp_zero::app_state const &state) -> vamp_zero::library_part const * {
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if (state.active_part_id.empty()) {
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return nullptr;
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}
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auto found = std::find_if(state.catalog->parts.begin(), state.catalog->parts.end(), [&](auto const &part) {
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return part.id == state.active_part_id;
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});
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return found == state.catalog->parts.end() ? nullptr : &*found;
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}
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auto vamp_zero::active_pages(vamp_zero::app_state const &state) -> std::size_t {
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if (state.mode == vamp_zero::app_mode::PERFORMANCE_SCORE) {
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auto const *part = vamp_zero::active_part(state);
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return part == nullptr ? 0U : part->total_pages;
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}
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return 0U;
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}
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