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Add support for game controllers

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This commit is contained in:
Jakub Skokan 2016-07-13 09:22:21 +02:00
parent 187776ed69
commit e9ea95d3b9
7 changed files with 187 additions and 8 deletions
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81
src/game.cpp
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@ -284,6 +284,50 @@ int Game::gameLoop()
{
// handle player controls
updateControls(event.key.keysym.sym, false);
} else if (event.type == SDL_CONTROLLERBUTTONUP) {
switch (event.cbutton.button) {
case SDL_CONTROLLER_BUTTON_A:
if (state == WAITFORSTART) {
state = START;
stateTimer = 0;
stateVal = 0;
}
break;
case SDL_CONTROLLER_BUTTON_B:
case SDL_CONTROLLER_BUTTON_BACK:
case SDL_CONTROLLER_BUTTON_START:
loop = false;
break;
}
} else if (event.type == SDL_CONTROLLERAXISMOTION) {
switch (event.caxis.axis) {
case SDL_CONTROLLER_AXIS_LEFTX:
updateControls(
mapControllerAxis(
event.caxis.which,
event.caxis.axis,
event.caxis.value
),
event.caxis.value < -12000 || event.caxis.value > 12000
);
break;
case SDL_CONTROLLER_AXIS_TRIGGERLEFT:
case SDL_CONTROLLER_AXIS_TRIGGERRIGHT:
updateControls(
mapControllerAxis(
event.caxis.which,
event.caxis.axis,
event.caxis.value
),
event.caxis.value > 500
);
break;
}
}
}
@ -435,6 +479,43 @@ void Game::updateWorld(float t)
}
SDL_Keycode Game::mapControllerAxis(SDL_JoystickID joy, Uint8 axis, Sint16 value)
{
int ctrl;
for(int i = 0; i < MAX_PLAYERS; i++) {
if (!players[i].hasController(joy))
continue;
// Controls in order: right, left, thrust
switch(axis) {
case SDL_CONTROLLER_AXIS_LEFTX:
ctrl = value > 0 ? 0 : 1;
break;
case SDL_CONTROLLER_AXIS_TRIGGERLEFT:
case SDL_CONTROLLER_AXIS_TRIGGERRIGHT:
ctrl = 2;
break;
default:
return SDLK_ESCAPE;
}
return CONTROLS[i][ctrl];
}
return SDLK_ESCAPE;
}
int Game::getPlayerForController(SDL_JoystickID id)
{
for(int p = 0; p < MAX_LOCAL_PLAYERS; p++)
if (players[p].hasController(id))
return p;
return -1;
}
void Game::initViewports(int num)
{
numViewports = num;