mirror of
https://github.com/love2d/love.git
synced 2026-08-19 12:14:20 +02:00
Applied the new style guidelines.
Well, sort of. Lot's more to be done, but this is a start.
This commit is contained in:
rude
@@ -1,275 +1,276 @@
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
|
||||
* warranty. In no event will the authors be held liable for any damages
|
||||
* arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute it
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||||
* freely, subject to the following restrictions:
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||||
*
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||||
* 1. The origin of this software must not be misrepresented; you must not
|
||||
* claim that you wrote the original software. If you use this software
|
||||
* in a product, an acknowledgment in the product documentation would be
|
||||
* appreciated but is not required.
|
||||
* 2. Altered source versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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||||
**/
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#include "Joystick.h"
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// STD
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#include <cmath>
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namespace love
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{
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namespace joystick
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{
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namespace sdl
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{
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Joystick::Joystick()
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: joysticks(0)
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{
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// Init the SDL joystick system.
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if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
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throw love::Exception("%s", SDL_GetError());
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// Start joystick event watching.
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SDL_JoystickEventState(SDL_ENABLE);
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// Open all connected joysticks.
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int numjoysticks = this->getNumJoysticks();
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this->joysticks = (SDL_Joystick **)calloc(numjoysticks, sizeof(SDL_Joystick*));
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for (int i = 0;i<numjoysticks;i++)
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this->open(i);
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}
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Joystick::~Joystick()
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{
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// Closes any open joysticks.
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for (int i = 0; i != getNumJoysticks(); i++)
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{
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if (isOpen(i))
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close(i);
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}
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free(joysticks);
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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}
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void Joystick::reload()
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{
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// Closes any open joysticks.
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for (int i = 0; i != getNumJoysticks(); i++)
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{
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if (isOpen(i))
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close(i);
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}
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free(joysticks);
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
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throw love::Exception("%s", SDL_GetError());
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int numjoysticks = this->getNumJoysticks();
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this->joysticks = (SDL_Joystick **)calloc(numjoysticks, sizeof(SDL_Joystick*));
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for (int i = 0;i<numjoysticks;i++)
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this->open(i);
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}
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const char * Joystick::getName() const
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{
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return "love.joystick.sdl";
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}
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bool Joystick::checkIndex(int index)
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{
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return index >= 0 && index < getNumJoysticks();
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}
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int Joystick::getNumJoysticks()
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{
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int num = SDL_NumJoysticks();
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return num < 0 ? 0 : num;
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}
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const char * Joystick::getName(int index)
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{
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return SDL_JoystickName(index);
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}
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bool Joystick::open(int index)
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{
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if (isOpen(index))
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return true;
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if (!checkIndex(index))
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return false;
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if (!(joysticks[index] = SDL_JoystickOpen(index)) )
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return false;
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return true;
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}
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bool Joystick::isOpen(int index)
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{
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if (!checkIndex(index))
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return false;
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return joysticks[index] != 0 ? true : false;
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}
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bool Joystick::verifyJoystick(int index)
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{
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if (!checkIndex(index))
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return false;
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if (!isOpen(index))
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return false;
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return true;
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}
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int Joystick::getNumAxes(int index)
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{
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return verifyJoystick(index) ? SDL_JoystickNumAxes(joysticks[index]) : 0;
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}
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int Joystick::getNumBalls(int index)
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{
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return verifyJoystick(index) ? SDL_JoystickNumBalls(joysticks[index]) : 0;
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}
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int Joystick::getNumButtons(int index)
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{
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return verifyJoystick(index) ? SDL_JoystickNumButtons(joysticks[index]) : 0;
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}
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int Joystick::getNumHats(int index)
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{
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return verifyJoystick(index) ? SDL_JoystickNumHats(joysticks[index]) : 0;
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}
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float Joystick::clampval(float x)
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{
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if (fabs((double)x) < 0.01) return 0.0f;
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if (x < -0.99f) return -1.0f;
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if (x > 0.99f) return 1.0f;
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return x;
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}
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float Joystick::getAxis(int index, int axis)
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{
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if (!verifyJoystick(index))
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return 0;
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if (axis >= getNumAxes(index))
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return 0;
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return clampval(((float)SDL_JoystickGetAxis(joysticks[index], axis))/32768.0f);
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}
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int Joystick::getAxes(lua_State * L)
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{
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love::luax_assert_argc(L, 1, 1);
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int index = (int)lua_tointeger(L, 1) - 1;
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if (!verifyJoystick(index))
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return 0;
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int num = getNumAxes(index);
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for (int i = 0; i<num; i++)
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lua_pushnumber(L, clampval(((float)SDL_JoystickGetAxis(joysticks[index], i))/32768.0f));
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return num;
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}
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int Joystick::getBall(lua_State * L)
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{
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love::luax_assert_argc(L, 2, 2);
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int index = (int)lua_tointeger(L, 1) - 1;
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int ball = (int)lua_tointeger(L, 2) - 1;
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if (!verifyJoystick(index))
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return 0;
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if (ball >= getNumBalls(index))
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return 0;
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int dx, dy;
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SDL_JoystickGetBall(joysticks[index], ball, &dx, &dy);
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lua_pushnumber(L, dx);
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lua_pushnumber(L, dy);
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return 2;
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}
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bool Joystick::isDown(int index, int * buttonlist)
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{
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if (!verifyJoystick(index))
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return false;
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int num = getNumButtons(index);
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for (int button = *buttonlist; button != -1; button = *(++buttonlist))
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{
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if (button >= 0 && button < num && SDL_JoystickGetButton(joysticks[index], button) == 1)
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return true;
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}
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return false;
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}
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Joystick::Hat Joystick::getHat(int index, int hat)
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{
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Hat h = HAT_INVALID;
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if (!verifyJoystick(index))
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return h;
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if (hat >= getNumHats(index))
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return h;
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hats.find(SDL_JoystickGetHat(joysticks[index], hat), h);
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return h;
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}
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void Joystick::close(int index)
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{
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if (!checkIndex(index))
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return;
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if (joysticks[index]!=0)
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{
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SDL_JoystickClose(joysticks[index]);
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joysticks[index] = 0;
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}
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}
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EnumMap<Joystick::Hat, Uint8, Joystick::HAT_MAX_ENUM>::Entry Joystick::hatEntries[] =
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{
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{Joystick::HAT_CENTERED, SDL_HAT_CENTERED},
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{Joystick::HAT_UP, SDL_HAT_UP},
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{Joystick::HAT_RIGHT, SDL_HAT_RIGHT},
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{Joystick::HAT_DOWN, SDL_HAT_DOWN},
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{Joystick::HAT_LEFT, SDL_HAT_LEFT},
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{Joystick::HAT_RIGHTUP, SDL_HAT_RIGHTUP},
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{Joystick::HAT_RIGHTDOWN, SDL_HAT_RIGHTDOWN},
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{Joystick::HAT_LEFTUP, SDL_HAT_LEFTUP},
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{Joystick::HAT_LEFTDOWN, SDL_HAT_LEFTDOWN},
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};
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EnumMap<Joystick::Hat, Uint8, Joystick::HAT_MAX_ENUM> Joystick::hats(Joystick::hatEntries, sizeof(Joystick::hatEntries));
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} // sdl
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} // joystick
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} // love
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
|
||||
* warranty. In no event will the authors be held liable for any damages
|
||||
* arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute it
|
||||
* freely, subject to the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be misrepresented; you must not
|
||||
* claim that you wrote the original software. If you use this software
|
||||
* in a product, an acknowledgment in the product documentation would be
|
||||
* appreciated but is not required.
|
||||
* 2. Altered source versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
|
||||
* 3. This notice may not be removed or altered from any source distribution.
|
||||
**/
|
||||
|
||||
#include "Joystick.h"
|
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|
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// STD
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#include <cmath>
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|
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namespace love
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{
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namespace joystick
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{
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namespace sdl
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{
|
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Joystick::Joystick()
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: joysticks(0)
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{
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// Init the SDL joystick system.
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if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
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throw love::Exception("%s", SDL_GetError());
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|
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// Start joystick event watching.
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SDL_JoystickEventState(SDL_ENABLE);
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// Open all connected joysticks.
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int numjoysticks = this->getNumJoysticks();
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this->joysticks = (SDL_Joystick **)calloc(numjoysticks, sizeof(SDL_Joystick *));
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for (int i = 0; i<numjoysticks; i++)
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this->open(i);
|
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}
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Joystick::~Joystick()
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{
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// Closes any open joysticks.
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for (int i = 0; i != getNumJoysticks(); i++)
|
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{
|
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if (isOpen(i))
|
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close(i);
|
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}
|
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free(joysticks);
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
|
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}
|
||||
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void Joystick::reload()
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||||
{
|
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// Closes any open joysticks.
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for (int i = 0; i != getNumJoysticks(); i++)
|
||||
{
|
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if (isOpen(i))
|
||||
close(i);
|
||||
}
|
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|
||||
free(joysticks);
|
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
|
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|
||||
if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
|
||||
throw love::Exception("%s", SDL_GetError());
|
||||
|
||||
int numjoysticks = this->getNumJoysticks();
|
||||
this->joysticks = (SDL_Joystick **)calloc(numjoysticks, sizeof(SDL_Joystick *));
|
||||
|
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for (int i = 0; i<numjoysticks; i++)
|
||||
this->open(i);
|
||||
}
|
||||
|
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const char *Joystick::getName() const
|
||||
{
|
||||
return "love.joystick.sdl";
|
||||
}
|
||||
|
||||
bool Joystick::checkIndex(int index)
|
||||
{
|
||||
return index >= 0 && index < getNumJoysticks();
|
||||
}
|
||||
|
||||
int Joystick::getNumJoysticks()
|
||||
{
|
||||
int num = SDL_NumJoysticks();
|
||||
return num < 0 ? 0 : num;
|
||||
}
|
||||
|
||||
const char *Joystick::getName(int index)
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||||
{
|
||||
return SDL_JoystickName(index);
|
||||
}
|
||||
|
||||
bool Joystick::open(int index)
|
||||
{
|
||||
if (isOpen(index))
|
||||
return true;
|
||||
|
||||
if (!checkIndex(index))
|
||||
return false;
|
||||
|
||||
if (!(joysticks[index] = SDL_JoystickOpen(index)))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Joystick::isOpen(int index)
|
||||
{
|
||||
if (!checkIndex(index))
|
||||
return false;
|
||||
|
||||
return joysticks[index] != 0 ? true : false;
|
||||
}
|
||||
|
||||
bool Joystick::verifyJoystick(int index)
|
||||
{
|
||||
if (!checkIndex(index))
|
||||
return false;
|
||||
|
||||
if (!isOpen(index))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int Joystick::getNumAxes(int index)
|
||||
{
|
||||
return verifyJoystick(index) ? SDL_JoystickNumAxes(joysticks[index]) : 0;
|
||||
}
|
||||
|
||||
int Joystick::getNumBalls(int index)
|
||||
{
|
||||
return verifyJoystick(index) ? SDL_JoystickNumBalls(joysticks[index]) : 0;
|
||||
}
|
||||
|
||||
int Joystick::getNumButtons(int index)
|
||||
{
|
||||
return verifyJoystick(index) ? SDL_JoystickNumButtons(joysticks[index]) : 0;
|
||||
}
|
||||
|
||||
int Joystick::getNumHats(int index)
|
||||
{
|
||||
return verifyJoystick(index) ? SDL_JoystickNumHats(joysticks[index]) : 0;
|
||||
}
|
||||
|
||||
float Joystick::clampval(float x)
|
||||
{
|
||||
if (fabs((double)x) < 0.01) return 0.0f;
|
||||
if (x < -0.99f) return -1.0f;
|
||||
if (x > 0.99f) return 1.0f;
|
||||
return x;
|
||||
}
|
||||
|
||||
float Joystick::getAxis(int index, int axis)
|
||||
{
|
||||
if (!verifyJoystick(index))
|
||||
return 0;
|
||||
|
||||
if (axis >= getNumAxes(index))
|
||||
return 0;
|
||||
|
||||
return clampval(((float)SDL_JoystickGetAxis(joysticks[index], axis))/32768.0f);
|
||||
}
|
||||
|
||||
int Joystick::getAxes(lua_State *L)
|
||||
{
|
||||
love::luax_assert_argc(L, 1, 1);
|
||||
int index = (int)lua_tointeger(L, 1) - 1;
|
||||
|
||||
if (!verifyJoystick(index))
|
||||
return 0;
|
||||
|
||||
int num = getNumAxes(index);
|
||||
|
||||
for (int i = 0; i<num; i++)
|
||||
lua_pushnumber(L, clampval(((float)SDL_JoystickGetAxis(joysticks[index], i))/32768.0f));
|
||||
return num;
|
||||
}
|
||||
|
||||
int Joystick::getBall(lua_State *L)
|
||||
{
|
||||
love::luax_assert_argc(L, 2, 2);
|
||||
int index = (int)lua_tointeger(L, 1) - 1;
|
||||
int ball = (int)lua_tointeger(L, 2) - 1;
|
||||
|
||||
if (!verifyJoystick(index))
|
||||
return 0;
|
||||
|
||||
if (ball >= getNumBalls(index))
|
||||
return 0;
|
||||
|
||||
int dx, dy;
|
||||
SDL_JoystickGetBall(joysticks[index], ball, &dx, &dy);
|
||||
|
||||
lua_pushnumber(L, dx);
|
||||
lua_pushnumber(L, dy);
|
||||
return 2;
|
||||
}
|
||||
|
||||
bool Joystick::isDown(int index, int *buttonlist)
|
||||
{
|
||||
if (!verifyJoystick(index))
|
||||
return false;
|
||||
|
||||
int num = getNumButtons(index);
|
||||
|
||||
for (int button = *buttonlist; button != -1; button = *(++buttonlist))
|
||||
{
|
||||
if (button >= 0 && button < num && SDL_JoystickGetButton(joysticks[index], button) == 1)
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
Joystick::Hat Joystick::getHat(int index, int hat)
|
||||
{
|
||||
Hat h = HAT_INVALID;
|
||||
|
||||
if (!verifyJoystick(index))
|
||||
return h;
|
||||
|
||||
if (hat >= getNumHats(index))
|
||||
return h;
|
||||
|
||||
hats.find(SDL_JoystickGetHat(joysticks[index], hat), h);
|
||||
|
||||
return h;
|
||||
}
|
||||
|
||||
void Joystick::close(int index)
|
||||
{
|
||||
if (!checkIndex(index))
|
||||
return;
|
||||
|
||||
if (joysticks[index]!=0)
|
||||
{
|
||||
SDL_JoystickClose(joysticks[index]);
|
||||
joysticks[index] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
EnumMap<Joystick::Hat, Uint8, Joystick::HAT_MAX_ENUM>::Entry Joystick::hatEntries[] =
|
||||
{
|
||||
{Joystick::HAT_CENTERED, SDL_HAT_CENTERED},
|
||||
{Joystick::HAT_UP, SDL_HAT_UP},
|
||||
{Joystick::HAT_RIGHT, SDL_HAT_RIGHT},
|
||||
{Joystick::HAT_DOWN, SDL_HAT_DOWN},
|
||||
{Joystick::HAT_LEFT, SDL_HAT_LEFT},
|
||||
{Joystick::HAT_RIGHTUP, SDL_HAT_RIGHTUP},
|
||||
{Joystick::HAT_RIGHTDOWN, SDL_HAT_RIGHTDOWN},
|
||||
{Joystick::HAT_LEFTUP, SDL_HAT_LEFTUP},
|
||||
{Joystick::HAT_LEFTDOWN, SDL_HAT_LEFTDOWN},
|
||||
};
|
||||
|
||||
EnumMap<Joystick::Hat, Uint8, Joystick::HAT_MAX_ENUM> Joystick::hats(Joystick::hatEntries, sizeof(Joystick::hatEntries));
|
||||
|
||||
} // sdl
|
||||
} // joystick
|
||||
} // love
|
||||
|
||||
Reference in New Issue
Block a user