Magic_Game/kiwano/base/Input.cpp

137 lines
3.6 KiB
C++

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "input.h"
#include "logs.h"
#include <windowsx.h> // GET_X_LPARAM, GET_Y_LPARAM
namespace kiwano
{
Input::Input()
: want_update_(false)
, mouse_pos_x_(0.f)
, mouse_pos_y_(0.f)
{
ZeroMemory(keys_, sizeof(keys_));
ZeroMemory(keys_pressed_, sizeof(keys_pressed_));
ZeroMemory(keys_released_, sizeof(keys_released_));
}
Input::~Input()
{
}
void Input::UpdateKey(int key, bool down)
{
if (down && !keys_[key])
keys_pressed_[key] = true;
if (!down && keys_[key])
keys_released_[key] = true;
keys_[key] = down;
want_update_ = true;
}
void Input::UpdateMousePos(float x, float y)
{
mouse_pos_x_ = x;
mouse_pos_y_ = y;
}
void Input::AfterUpdate()
{
if (want_update_)
{
want_update_ = false;
ZeroMemory(keys_pressed_, sizeof(keys_pressed_));
ZeroMemory(keys_released_, sizeof(keys_released_));
}
}
void Input::HandleMessage(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
switch (msg)
{
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
//case WM_LBUTTONDBLCLK:
case WM_MBUTTONUP:
case WM_MBUTTONDOWN:
//case WM_MBUTTONDBLCLK:
case WM_RBUTTONUP:
case WM_RBUTTONDOWN:
//case WM_RBUTTONDBLCLK:
case WM_MOUSEMOVE:
case WM_MOUSEWHEEL:
{
if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONUP) { UpdateKey(VK_LBUTTON, (msg == WM_LBUTTONDOWN) ? true : false); }
else if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONUP) { UpdateKey(VK_RBUTTON, (msg == WM_RBUTTONDOWN) ? true : false); }
else if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONUP) { UpdateKey(VK_MBUTTON, (msg == WM_MBUTTONDOWN) ? true : false); }
else if (msg == WM_MOUSEMOVE) { UpdateMousePos(static_cast<float>(GET_X_LPARAM(lparam)), static_cast<float>(GET_Y_LPARAM(lparam))); }
break;
}
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
{
bool down = msg == WM_KEYDOWN || msg == WM_SYSKEYDOWN;
UpdateKey((int)wparam, down);
}
}
}
bool Input::IsDown(int key_or_btn)
{
KGE_ASSERT(key_or_btn >= 0 && key_or_btn < KEY_NUM);
return keys_[key_or_btn];
}
bool Input::WasPressed(int key_or_btn)
{
KGE_ASSERT(key_or_btn >= 0 && key_or_btn < KEY_NUM);
return keys_pressed_[key_or_btn];
}
bool Input::WasReleased(int key_or_btn)
{
KGE_ASSERT(key_or_btn >= 0 && key_or_btn < KEY_NUM);
return keys_released_[key_or_btn];
}
float Input::GetMouseX()
{
return mouse_pos_x_;
}
float Input::GetMouseY()
{
return mouse_pos_y_;
}
Point Input::GetMousePos()
{
return Point{ mouse_pos_x_, mouse_pos_y_ };
}
}