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