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Files are now in a src directory and I'm using a src/meson.build and tests/meson.build to specify what to build.

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This commit is contained in:
Zed A. Shaw 2026-02-27 10:49:19 -05:00
parent 4778677647
commit 1d4ae911b9
108 changed files with 94 additions and 83 deletions
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143
src/gui/event_router.cpp Normal file
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#include "event_router.hpp"
#include "dbc.hpp"
#include "events.hpp"
namespace gui {
namespace routing {
using enum Event;
using enum State;
game::Event Router::process_event(std::optional<sf::Event> ev) {
$next_event = game::Event::TICK;
if(ev->is<sf::Event::Closed>()) {
return game::Event::QUIT;
}
if(const auto* mouse = ev->getIf<sf::Event::MouseButtonPressed>()) {
if(mouse->button == sf::Mouse::Button::Left || mouse->button == sf::Mouse::Button::Right) {
left_button = mouse->button == sf::Mouse::Button::Left;
position = mouse->position;
event(MOUSE_DOWN);
}
} else if(const auto* mouse = ev->getIf<sf::Event::MouseButtonReleased>()) {
// need to sort this out but if you don't do this it thinks you're always pressing it
if(mouse->button == sf::Mouse::Button::Left || mouse->button == sf::Mouse::Button::Right) {
left_button = mouse->button == sf::Mouse::Button::Left;
position = mouse->position;
event(MOUSE_UP);
}
} else if(const auto* mouse = ev->getIf<sf::Event::MouseMoved>()) {
position = mouse->position;
event(MOUSE_MOVE);
}
if(const auto* key = ev->getIf<sf::Event::KeyPressed>()) {
scancode = key->scancode;
event(KEY_PRESS);
}
return $next_event;
}
void Router::event(Event ev) {
switch($state) {
FSM_STATE(State, START, ev);
FSM_STATE(State, IDLE, ev);
FSM_STATE(State, MOUSE_ACTIVE, ev);
FSM_STATE(State, MOUSE_MOVING, ev);
FSM_STATE(State, MOUSE_DRAGGING, ev);
}
}
void Router::START(Event ) {
state(State::IDLE);
}
void Router::IDLE(Event ev) {
switch(ev) {
case MOUSE_DOWN:
move_count=0;
set_event(game::Event::TICK);
state(State::MOUSE_ACTIVE);
break;
case MOUSE_UP:
set_event(game::Event::MOUSE_CLICK);
state(State::IDLE);
break;
case MOUSE_MOVE:
set_event(game::Event::MOUSE_MOVE);
break;
case KEY_PRESS:
set_event(game::Event::KEY_PRESS);
break;
default:
dbc::sentinel(fmt::format("invalid event: {}", int(ev)));
}
}
void Router::MOUSE_ACTIVE(Event ev) {
switch(ev) {
case MOUSE_UP:
set_event(game::Event::MOUSE_CLICK);
state(State::IDLE);
break;
case MOUSE_MOVE:
move_count++;
set_event(game::Event::MOUSE_DRAG);
state(State::MOUSE_MOVING);
break;
case KEY_PRESS:
set_event(game::Event::KEY_PRESS);
state(State::IDLE);
break;
default:
dbc::sentinel("invalid event");
}
}
void Router::MOUSE_MOVING(Event ev) {
switch(ev) {
case MOUSE_UP: {
dbc::check(move_count < $drag_tolerance, "mouse up but not in dragging state");
set_event(game::Event::MOUSE_CLICK);
state(State::IDLE);
} break;
case MOUSE_MOVE:
move_count++;
if(move_count < $drag_tolerance) {
set_event(game::Event::MOUSE_DRAG);
} else {
set_event(game::Event::MOUSE_DRAG_START);
state(State::MOUSE_DRAGGING);
}
break;
case KEY_PRESS:
set_event(game::Event::KEY_PRESS);
break;
default:
dbc::sentinel("invalid event");
}
}
void Router::MOUSE_DRAGGING(Event ev) {
switch(ev) {
case MOUSE_UP:
set_event(game::Event::MOUSE_DROP);
state(State::IDLE);
break;
case MOUSE_MOVE:
move_count++;
set_event(game::Event::MOUSE_DRAG);
break;
case KEY_PRESS:
set_event(game::Event::KEY_PRESS);
break;
default:
// invalid events: 1
dbc::sentinel(fmt::format("invalid events: {}", int(ev)));
}
}
}
}