mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-11 21:31:16 +00:00
84173ee09b
The main bulk of this is the new start screen code. To make this work in Raze some more work on the startup procedure is needed. What this does provide is support for the DOS end-of-game text screens in Duke and SW on non-Windows systems.
584 lines
16 KiB
C++
584 lines
16 KiB
C++
/*
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**
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2016 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#define WIN32_LEAN_AND_MEAN
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#define DIRECTINPUT_VERSION 0x800
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#include <windows.h>
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#include <dinput.h>
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#include "i_input.h"
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#include "d_eventbase.h"
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#include "i_mainwindow.h"
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// MACROS ------------------------------------------------------------------
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#define DINPUT_BUFFERSIZE 32
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// MinGW-w64 (TDM5.1 - 2016/11/21)
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#ifndef DIK_PREVTRACK
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#define DIK_PREVTRACK DIK_CIRCUMFLEX
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#endif
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// TYPES -------------------------------------------------------------------
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class FDInputKeyboard : public FKeyboard
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{
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public:
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FDInputKeyboard();
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~FDInputKeyboard();
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bool GetDevice();
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void ProcessInput();
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protected:
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LPDIRECTINPUTDEVICE8 Device;
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};
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class FRawKeyboard : public FKeyboard
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{
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public:
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FRawKeyboard();
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~FRawKeyboard();
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bool GetDevice();
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bool ProcessRawInput(RAWINPUT *rawinput, int code);
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protected:
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USHORT E1Prefix;
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};
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// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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extern LPDIRECTINPUT8 g_pdi;
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extern LPDIRECTINPUT g_pdi3;
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extern bool GUICapture;
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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// Convert DIK_* code to ASCII using Qwerty keymap
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static const uint8_t Convert[256] =
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{
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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0, 27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 8, 9, // 0
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'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', 13, 0, 'a', 's', // 1
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'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', 39, '`', 0,'\\', 'z', 'x', 'c', 'v', // 2
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'b', 'n', 'm', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0, // 3
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0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', // 4
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'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 5
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 7
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '=', 0, 0, // 8
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0, '@', ':', '_', 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, // 9
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // A
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0, 0, 0, ',', 0, '/', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // B
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // C
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0, 0, 0, 0, 0, 0, 0, 0
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};
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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FKeyboard *Keyboard;
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// Set this to false to make keypad-enter a usable separate key.
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CVAR (Bool, k_mergekeys, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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// CODE --------------------------------------------------------------------
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//==========================================================================
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//
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// FKeyboard - Constructor
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//
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//==========================================================================
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FKeyboard::FKeyboard()
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{
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memset(KeyStates, 0, sizeof(KeyStates));
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}
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//==========================================================================
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//
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// FKeyboard - Destructor
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//
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//==========================================================================
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FKeyboard::~FKeyboard()
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{
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AllKeysUp();
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}
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//==========================================================================
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//
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// FKeyboard :: CheckAndSetKey
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//
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// Returns true if the key was already in the desired state, false if it
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// wasn't.
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//
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//==========================================================================
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bool FKeyboard::CheckAndSetKey(int keynum, INTBOOL down)
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{
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uint8_t *statebyte = &KeyStates[keynum >> 3];
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uint8_t mask = 1 << (keynum & 7);
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if (down)
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{
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if (*statebyte & mask)
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{
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return true;
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}
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*statebyte |= mask;
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return false;
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}
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else
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{
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if (*statebyte & mask)
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{
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*statebyte &= ~mask;
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return false;
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}
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return true;
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}
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}
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//==========================================================================
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//
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// FKeyboard :: AllKeysUp
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//
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// For every key currently marked as down, send a key up event and clear it.
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//
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//==========================================================================
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void FKeyboard::AllKeysUp()
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{
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event_t ev = { 0 };
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ev.type = EV_KeyUp;
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for (int i = 0; i < 256/8; ++i)
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{
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if (KeyStates[i] != 0)
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{
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uint8_t states = KeyStates[i];
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int j = 0;
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KeyStates[i] = 0;
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do
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{
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if (states & 1)
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{
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ev.data1 = (i << 3) + j;
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ev.data2 = Convert[ev.data1];
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D_PostEvent(&ev);
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}
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states >>= 1;
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++j;
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}
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while (states != 0);
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}
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}
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}
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//==========================================================================
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//
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// FKeyboard :: PostKeyEvent
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//
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// Posts a keyboard event, but only if the state is different from what we
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// currently think it is. (For instance, raw keyboard input sends key
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// down events every time the key automatically repeats, so we want to
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// discard those.)
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//
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//==========================================================================
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void FKeyboard::PostKeyEvent(int key, INTBOOL down, bool foreground)
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{
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event_t ev = { 0 };
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// Printf("key=%02x down=%02x\n", key, down);
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// "Merge" multiple keys that are considered to be the same. If the
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// original unmerged key is down, it also needs to go up. (In case
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// somebody was holding the key down when they changed this setting.)
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if (k_mergekeys)
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{
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if (key == DIK_NUMPADENTER || key == DIK_RMENU || key == DIK_RCONTROL)
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{
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k_mergekeys = false;
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PostKeyEvent(key, false, foreground);
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k_mergekeys = true;
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key &= 0x7F;
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}
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else if (key == DIK_RSHIFT)
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{
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k_mergekeys = false;
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PostKeyEvent(key, false, foreground);
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k_mergekeys = true;
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key = DIK_LSHIFT;
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}
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}
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if (key == 0x59)
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{ // Turn kp= on a Mac keyboard into kp= on a PC98 keyboard.
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key = DIK_NUMPADEQUALS;
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}
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// Generate the event, if appropriate.
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if (down)
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{
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if (!foreground || GUICapture)
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{ // Do not generate key down events if we are in the background
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// or in "GUI Capture" mode.
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return;
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}
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ev.type = EV_KeyDown;
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}
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else
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{
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ev.type = EV_KeyUp;
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}
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if (CheckAndSetKey(key, down))
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{ // Key is already down or up.
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return;
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}
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ev.data1 = key;
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ev.data2 = Convert[key];
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ev.data3 = 0;
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if (CheckKey(DIK_LSHIFT) || CheckKey(DIK_RSHIFT)) ev.data3 |= 1;
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D_PostEvent(&ev);
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}
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//==========================================================================
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//
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// FDInputKeyboard - Constructor
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//
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//==========================================================================
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FDInputKeyboard::FDInputKeyboard()
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{
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Device = NULL;
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}
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//==========================================================================
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//
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// FDInputKeyboard - Destructor
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//
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//==========================================================================
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FDInputKeyboard::~FDInputKeyboard()
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{
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if (Device != NULL)
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{
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Device->Release();
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Device = NULL;
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}
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}
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//==========================================================================
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//
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// FDInputKeyboard :: GetDevice
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//
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// Create the device interface and initialize it.
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//
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//==========================================================================
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bool FDInputKeyboard::GetDevice()
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{
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HRESULT hr;
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if (g_pdi3 != NULL)
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{ // DirectInput3 interface
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hr = g_pdi3->CreateDevice(GUID_SysKeyboard, (LPDIRECTINPUTDEVICE*)&Device, NULL);
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}
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else if (g_pdi != NULL)
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{ // DirectInput8 interface
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hr = g_pdi->CreateDevice(GUID_SysKeyboard, &Device, NULL);
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}
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else
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{
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hr = -1;
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}
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if (FAILED(hr))
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{
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return false;
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}
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// Yes, this is a keyboard.
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hr = Device->SetDataFormat(&c_dfDIKeyboard);
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if (FAILED(hr))
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{
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ufailit:
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Device->Release();
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Device = NULL;
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return false;
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}
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hr = Device->SetCooperativeLevel(mainwindow.GetHandle(), DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
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if (FAILED(hr))
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{
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goto ufailit;
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}
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// Set buffer size so we can use buffered input.
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DIPROPDWORD prop;
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prop.diph.dwSize = sizeof(prop);
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prop.diph.dwHeaderSize = sizeof(prop.diph);
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prop.diph.dwObj = 0;
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prop.diph.dwHow = DIPH_DEVICE;
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prop.dwData = DINPUT_BUFFERSIZE;
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hr = Device->SetProperty(DIPROP_BUFFERSIZE, &prop.diph);
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if (FAILED(hr))
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{
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goto ufailit;
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}
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Device->Acquire();
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return true;
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}
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//==========================================================================
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//
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// FDInputKeyboard :: ProcessInput
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//
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//==========================================================================
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void FDInputKeyboard::ProcessInput()
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{
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DIDEVICEOBJECTDATA od;
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DWORD dwElements;
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HRESULT hr;
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bool foreground = (GetForegroundWindow() == mainwindow.GetHandle());
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for (;;)
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{
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DWORD cbObjectData = g_pdi3 ? sizeof(DIDEVICEOBJECTDATA_DX3) : sizeof(DIDEVICEOBJECTDATA);
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dwElements = 1;
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hr = Device->GetDeviceData(cbObjectData, &od, &dwElements, 0);
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if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED)
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{
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Device->Acquire();
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hr = Device->GetDeviceData(cbObjectData, &od, &dwElements, 0);
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}
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if (FAILED(hr) || !dwElements)
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{
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break;
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}
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if (od.dwOfs >= 1 && od.dwOfs <= 255)
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{
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PostKeyEvent(od.dwOfs, od.dwData & 0x80, foreground);
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}
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}
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}
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/**************************************************************************/
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/**************************************************************************/
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//==========================================================================
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//
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// FRawKeyboard - Constructor
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//
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//==========================================================================
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FRawKeyboard::FRawKeyboard()
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{
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E1Prefix = 0;
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}
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//==========================================================================
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//
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// FRawKeyboard - Destructor
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//
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//==========================================================================
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FRawKeyboard::~FRawKeyboard()
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{
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RAWINPUTDEVICE rid;
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rid.usUsagePage = HID_GENERIC_DESKTOP_PAGE;
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rid.usUsage = HID_GDP_KEYBOARD;
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rid.dwFlags = RIDEV_REMOVE;
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rid.hwndTarget = NULL;
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RegisterRawInputDevices(&rid, 1, sizeof(rid));
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}
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//==========================================================================
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//
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// FRawKeyboard :: GetDevice
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//
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// Ensure the API is present and we can listen for keyboard input.
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//
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//==========================================================================
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bool FRawKeyboard::GetDevice()
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{
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RAWINPUTDEVICE rid;
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rid.usUsagePage = HID_GENERIC_DESKTOP_PAGE;
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rid.usUsage = HID_GDP_KEYBOARD;
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rid.dwFlags = RIDEV_INPUTSINK;
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rid.hwndTarget = mainwindow.GetHandle();
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if (!RegisterRawInputDevices(&rid, 1, sizeof(rid)))
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{
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return false;
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}
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return true;
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}
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//==========================================================================
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//
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// FRawKeyboard :: ProcessRawInput
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//
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// Convert scan codes to DirectInput key codes. For the most part, this is
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// straight forward: Scan codes without any prefix are passed unmodified.
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// Scan codes with an 0xE0 prefix byte are generally passed by ORing them
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// with 0x80. And scan codes with an 0xE1 prefix are the annoying Pause key
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// which will generate another scan code that looks like Num Lock.
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//
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// This is a bit complicated only because the state of PC key codes is a bit
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// of a mess. Keyboards may use simpler codes internally, but for the sake
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// of compatibility, programs are presented with XT-compatible codes. This
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// means that keys which were originally a shifted form of another key and
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// were split off into a separate key all their own, or which were formerly
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// a separate key and are now part of another key (most notable PrtScn and
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// SysRq), will still generate code sequences that XT-era software will
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// still perceive as the original sequences to use those keys.
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//
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//==========================================================================
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bool FRawKeyboard::ProcessRawInput(RAWINPUT *raw, int code)
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{
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if (raw->header.dwType != RIM_TYPEKEYBOARD)
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{
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return false;
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}
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int keycode = raw->data.keyboard.MakeCode;
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if (keycode == 0 && (raw->data.keyboard.Flags & RI_KEY_E0))
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{ // Even if the make code is 0, we might still be able to extract a
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// useful key from the message.
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if (raw->data.keyboard.VKey >= VK_BROWSER_BACK && raw->data.keyboard.VKey <= VK_LAUNCH_APP2)
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{
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static const uint8_t MediaKeys[VK_LAUNCH_APP2 - VK_BROWSER_BACK + 1] =
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{
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DIK_WEBBACK, DIK_WEBFORWARD, DIK_WEBREFRESH, DIK_WEBSTOP,
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DIK_WEBSEARCH, DIK_WEBFAVORITES, DIK_WEBHOME,
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DIK_MUTE, DIK_VOLUMEDOWN, DIK_VOLUMEUP,
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DIK_NEXTTRACK, DIK_PREVTRACK, DIK_MEDIASTOP, DIK_PLAYPAUSE,
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DIK_MAIL, DIK_MEDIASELECT, DIK_MYCOMPUTER, DIK_CALCULATOR
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};
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keycode = MediaKeys[raw->data.keyboard.VKey - VK_BROWSER_BACK];
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}
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}
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if (keycode < 1 || keycode > 0xFF)
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{
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return false;
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}
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if (raw->data.keyboard.Flags & RI_KEY_E1)
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{
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E1Prefix = raw->data.keyboard.MakeCode;
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return false;
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}
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if (raw->data.keyboard.Flags & RI_KEY_E0)
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{
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if (keycode == DIK_LSHIFT || keycode == DIK_RSHIFT)
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{ // Ignore fake shifts.
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return false;
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}
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keycode |= 0x80;
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}
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// The sequence for an unshifted pause is E1 1D 45 (E1 Prefix +
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// Control + Num Lock).
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if (E1Prefix)
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{
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|
if (E1Prefix == 0x1D && keycode == DIK_NUMLOCK)
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{
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|
keycode = DIK_PAUSE;
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|
E1Prefix = 0;
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}
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|
else
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{
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E1Prefix = 0;
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return false;
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}
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}
|
|
// If you press Ctrl+Pause, the keyboard sends the Break make code
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|
// E0 46 instead of the Pause make code.
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|
if (keycode == 0xC6)
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|
{
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|
keycode = DIK_PAUSE;
|
|
}
|
|
// If you press Ctrl+PrtScn (to get SysRq), the keyboard sends
|
|
// the make code E0 37. If you press PrtScn without any modifiers,
|
|
// it sends E0 2A E0 37. And if you press Alt+PrtScn, it sends 54
|
|
// (which is undefined in the charts I can find.)
|
|
if (keycode == 0x54)
|
|
{
|
|
keycode = DIK_SYSRQ;
|
|
}
|
|
// If you press any keys in the island between the main keyboard
|
|
// and the numeric keypad with Num Lock turned on, they generate
|
|
// a fake shift before their actual codes. They do not generate this
|
|
// fake shift if Num Lock is off. We unconditionally discard fake
|
|
// shifts above, so we don't need to do anything special for these,
|
|
// since they are also prefixed by E0 so we can tell them apart from
|
|
// their keypad counterparts.
|
|
|
|
// Okay, we're done translating the keycode. Post it (or ignore it.)
|
|
PostKeyEvent(keycode, !(raw->data.keyboard.Flags & RI_KEY_BREAK), code == RIM_INPUT);
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// I_StartupKeyboard
|
|
//
|
|
//==========================================================================
|
|
|
|
void I_StartupKeyboard()
|
|
{
|
|
Keyboard = new FRawKeyboard;
|
|
if (Keyboard->GetDevice())
|
|
{
|
|
return;
|
|
}
|
|
delete Keyboard;
|
|
Keyboard = new FDInputKeyboard;
|
|
if (!Keyboard->GetDevice())
|
|
{
|
|
delete Keyboard;
|
|
}
|
|
}
|
|
|