90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
#include <SDL3/SDL.h>
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#include <expected>
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#include <map>
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#include <string>
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#include <vector>
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#include "user_input.hpp"
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#include "log.hpp"
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#include "math.hpp"
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UserInput::UserInput()
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: // pre-alloc some space
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m_Actions(10) {
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LOG_DEBUG(".");
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};
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UserInput::~UserInput() { LOG_DEBUG("."); };
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std::expected<void, std::string> UserInput::Init() { return {}; }
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const std::vector<UserAction> &UserInput::GetActions() {
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m_Actions.clear();
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SDL_Event event;
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static WindowPos mouse_pan_start;
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static bool mouse_pan = false;
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while (SDL_PollEvent(&event)) {
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// TODO refactor mouse / kbd handling into separate functions
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if (event.type == SDL_EVENT_KEY_DOWN || event.type == SDL_EVENT_KEY_UP) {
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bool key_down = event.type == SDL_EVENT_KEY_DOWN ? true : false;
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SDL_KeyboardEvent kbd_event = event.key;
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if (kbd_event.repeat) {
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// SDL repeats KEY_DOWN if key is held down, we ignore that
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continue;
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}
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LOG_DEBUG("Key '", static_cast<char>(kbd_event.key),
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key_down ? "' down" : "' up");
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switch (kbd_event.key) {
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case 'q':
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m_Actions.emplace_back(UserAction::Type::EXIT);
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// further processing of inputs is not needed
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return m_Actions;
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case '1':
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case '2':
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case '3':
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case '4':
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if (key_down) {
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int selection = kbd_event.key - '0';
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m_Actions.emplace_back(UserAction::Type::SELECT_PATHFINDER, selection);
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LOG_INFO("Pathfinder selected: ", selection);
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}
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break;
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default:
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LOG_INFO("Key '", static_cast<char>(kbd_event.key), "' not mapped");
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break;
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}
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} else if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
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SDL_MouseButtonEvent mouse_event = event.button;
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MouseButton button = static_cast<MouseButton>(mouse_event.button);
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if (button == MouseButton::LEFT) {
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LOG_DEBUG("Mouse down: ", mouse_event.x, ", ", mouse_event.y);
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m_Actions.emplace_back(UserAction::Type::SET_MOVE_TARGET,
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WindowPos{mouse_event.x, mouse_event.y});
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} else if (button == MouseButton::MIDDLE) {
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mouse_pan = true;
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}
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} else if (event.type == SDL_EVENT_MOUSE_BUTTON_UP) {
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SDL_MouseButtonEvent mouse_event = event.button;
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MouseButton button = static_cast<MouseButton>(mouse_event.button);
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if (button == MouseButton::MIDDLE) {
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mouse_pan = false;
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}
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} else if (event.type == SDL_EVENT_MOUSE_MOTION) {
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SDL_MouseMotionEvent motion_event = event.motion;
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if (mouse_pan) {
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m_Actions.emplace_back(UserAction::Type::CAMERA_PAN,
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WindowPos{motion_event.xrel, motion_event.yrel});
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}
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} else {
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// TODO uncomment, for now too much noise
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// LOG_WARNING("Action not processed");
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}
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}
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return m_Actions;
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}
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