jan.mrna/pathfinding_demo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Refactor mouse and keyboard events

Browse Source
This commit is contained in:
Jan Mrna 2025-10-05 20:17:24 +02:00 committed by Mrna
parent 4a9498a520
commit d924e7dbca
2 changed files with 55 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

85
cpp/src/user_input.cpp
View File

@ -19,21 +19,43 @@ UserInput::~UserInput() { LOG_DEBUG("."); };
std::expected<void, std::string> UserInput::Init() { return {}; }
const std::vector<UserAction> &UserInput::GetActions() {
m_Actions.clear();
SDL_Event event;
static WindowPos mouse_pan_start;
void UserInput::GetActions_mouse(const SDL_Event& event)
{
static bool mouse_pan = false;
while (SDL_PollEvent(&event)) {
// TODO refactor mouse / kbd handling into separate functions
if (event.type == SDL_EVENT_KEY_DOWN || event.type == SDL_EVENT_KEY_UP) {
if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
SDL_MouseButtonEvent mouse_event = event.button;
MouseButton button = static_cast<MouseButton>(mouse_event.button);
if (button == MouseButton::LEFT) {
LOG_DEBUG("Mouse down: ", mouse_event.x, ", ", mouse_event.y);
m_Actions.emplace_back(UserAction::Type::SET_MOVE_TARGET,
WindowPos{mouse_event.x, mouse_event.y});
} else if (button == MouseButton::MIDDLE) {
mouse_pan = true;
}
} else if (event.type == SDL_EVENT_MOUSE_BUTTON_UP) {
SDL_MouseButtonEvent mouse_event = event.button;
MouseButton button = static_cast<MouseButton>(mouse_event.button);
if (button == MouseButton::MIDDLE) {
mouse_pan = false;
}
} else if (event.type == SDL_EVENT_MOUSE_MOTION) {
SDL_MouseMotionEvent motion_event = event.motion;
if (mouse_pan) {
m_Actions.emplace_back(UserAction::Type::CAMERA_PAN,
WindowPos{motion_event.xrel, motion_event.yrel});
}
}
}
void UserInput::GetActions_kbd(const SDL_Event& event)
{
bool key_down = event.type == SDL_EVENT_KEY_DOWN ? true : false;
SDL_KeyboardEvent kbd_event = event.key;
if (kbd_event.repeat) {
// SDL repeats KEY_DOWN if key is held down, we ignore that
continue;
return;
}
LOG_DEBUG("Key '", static_cast<char>(kbd_event.key),
key_down ? "' down" : "' up");
@ -41,8 +63,7 @@ const std::vector<UserAction> &UserInput::GetActions() {
switch (kbd_event.key) {
case 'q':
m_Actions.emplace_back(UserAction::Type::EXIT);
// further processing of inputs is not needed
return m_Actions;
return;
case '1':
case '2':
case '3':
@ -57,30 +78,26 @@ const std::vector<UserAction> &UserInput::GetActions() {
LOG_INFO("Key '", static_cast<char>(kbd_event.key), "' not mapped");
break;
}
} else if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
SDL_MouseButtonEvent mouse_event = event.button;
MouseButton button = static_cast<MouseButton>(mouse_event.button);
if (button == MouseButton::LEFT) {
LOG_DEBUG("Mouse down: ", mouse_event.x, ", ", mouse_event.y);
m_Actions.emplace_back(UserAction::Type::SET_MOVE_TARGET,
WindowPos{mouse_event.x, mouse_event.y});
} else if (button == MouseButton::MIDDLE) {
mouse_pan = true;
}
} else if (event.type == SDL_EVENT_MOUSE_BUTTON_UP) {
SDL_MouseButtonEvent mouse_event = event.button;
MouseButton button = static_cast<MouseButton>(mouse_event.button);
if (button == MouseButton::MIDDLE) {
mouse_pan = false;
}
} else if (event.type == SDL_EVENT_MOUSE_MOTION) {
SDL_MouseMotionEvent motion_event = event.motion;
if (mouse_pan) {
m_Actions.emplace_back(UserAction::Type::CAMERA_PAN,
WindowPos{motion_event.xrel, motion_event.yrel});
}
}
} else {
const std::vector<UserAction>& UserInput::GetActions() {
m_Actions.clear();
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_EVENT_KEY_DOWN
|| event.type == SDL_EVENT_KEY_UP)
{
GetActions_kbd(event);
}
else if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN
|| event.type == SDL_EVENT_MOUSE_BUTTON_UP
|| event.type == SDL_EVENT_MOUSE_MOTION)
{
GetActions_mouse(event);
}
else
{
// TODO uncomment, for now too much noise
// LOG_WARNING("Action not processed");
}

3
cpp/src/user_input.hpp
View File

@ -49,4 +49,7 @@ public:
private:
std::vector<UserAction> m_Actions;
void GetActions_kbd(const SDL_Event&);
void GetActions_mouse(const SDL_Event&);
};