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moonfall/InputManager.cpp

101 lines
2.3 KiB
C++

/*
Moonfall Copyright (C) 2008 Alex Yatskov
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Pch.h"
#include "InputManager.h"
InputManager::InputManager() :
m_keyTriggerFlags(0),
m_keyFlags(0)
{
}
bool InputManager::IsKeyPressed(MetaKey key) const
{
return IS_TRUE(m_keyFlags & BIT(key));
}
bool InputManager::IsKeyTriggered(MetaKey key) const
{
return IS_TRUE(m_keyTriggerFlags & BIT(key));
}
void InputManager::DoKeyDown(const InputKey& args)
{
MetaKey key = META_KEY_COUNT;
if (TranslateKey(args, &key) && IS_FALSE(m_keyFlags & BIT(key)))
{
m_keyFlags |= BIT(key);
m_keyTriggerFlags |= BIT(key);
}
}
void InputManager::DoKeyUp(const InputKey& args)
{
MetaKey key = META_KEY_COUNT;
if (TranslateKey(args, &key) && IS_TRUE(m_keyFlags & BIT(key)))
{
m_keyFlags &= ~BIT(key);
m_keyTriggerFlags |= BIT(key);
}
}
void InputManager::Update(float elapsed)
{
m_keyTriggerFlags = 0;
}
void InputManager::Reset()
{
m_keyTriggerFlags = 0;
m_keyFlags = 0;
}
void InputManager::ReleaseKeys()
{
m_keyTriggerFlags = static_cast<unsigned>(-1);
m_keyFlags = 0;
}
bool InputManager::TranslateKey(const InputKey& args, MetaKey* key)
{
switch (args.key)
{
case SDLK_UP:
*key = META_KEY_UP;
return true;
case SDLK_DOWN:
*key = META_KEY_DOWN;
return true;
case SDLK_LEFT:
*key = META_KEY_LEFT;
return true;
case SDLK_RIGHT:
*key = META_KEY_RIGHT;
return true;
case SDLK_SPACE:
*key = META_KEY_USE;
return true;
case SDLK_LSHIFT:
case SDLK_RSHIFT:
*key = META_KEY_RUN;
return true;
default:
return false;
}
}