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136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../../idlib/precompiled.h"
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#include "posix_public.h"
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typedef struct poll_keyboard_event_s
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{
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int key;
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bool state;
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} poll_keyboard_event_t;
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typedef struct poll_mouse_event_s
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{
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int action;
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int value;
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} poll_mouse_event_t;
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#define MAX_POLL_EVENTS 50
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#define POLL_EVENTS_HEADROOM 2 // some situations require to add several events
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static poll_keyboard_event_t poll_events_keyboard[MAX_POLL_EVENTS + POLL_EVENTS_HEADROOM];
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static int poll_keyboard_event_count;
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static poll_mouse_event_t poll_events_mouse[MAX_POLL_EVENTS + POLL_EVENTS_HEADROOM];
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static int poll_mouse_event_count;
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/*
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==========
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Posix_AddKeyboardPollEvent
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==========
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*/
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bool Posix_AddKeyboardPollEvent(int key, bool state) {
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if (poll_keyboard_event_count >= MAX_POLL_EVENTS + POLL_EVENTS_HEADROOM)
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common->FatalError( "poll_keyboard_event_count exceeded MAX_POLL_EVENT + POLL_EVENTS_HEADROOM\n");
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poll_events_keyboard[poll_keyboard_event_count].key = key;
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poll_events_keyboard[poll_keyboard_event_count++].state = state;
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if (poll_keyboard_event_count >= MAX_POLL_EVENTS) {
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common->DPrintf("WARNING: reached MAX_POLL_EVENT poll_keyboard_event_count\n");
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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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Posix_AddMousePollEvent
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==========
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*/
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bool Posix_AddMousePollEvent(int action, int value) {
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if (poll_mouse_event_count >= MAX_POLL_EVENTS + POLL_EVENTS_HEADROOM)
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common->FatalError( "poll_mouse_event_count exceeded MAX_POLL_EVENT + POLL_EVENTS_HEADROOM\n");
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poll_events_mouse[poll_mouse_event_count].action = action;
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poll_events_mouse[poll_mouse_event_count++].value = value;
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if (poll_mouse_event_count >= MAX_POLL_EVENTS) {
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common->DPrintf("WARNING: reached MAX_POLL_EVENT poll_mouse_event_count\n");
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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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polled from GetDirectUsercmd
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async input polling is obsolete
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we have a single entry point for both mouse and keyboard
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the mouse/keyboard seperation is API legacy
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===========================================================================
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*/
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int Sys_PollKeyboardInputEvents( void ) {
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return poll_keyboard_event_count;
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}
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int Sys_ReturnKeyboardInputEvent( const int n, int &key, bool &state ) {
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if ( n >= poll_keyboard_event_count ) {
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return 0;
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}
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key = poll_events_keyboard[n].key;
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state = poll_events_keyboard[n].state;
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return 1;
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}
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void Sys_EndKeyboardInputEvents( void ) {
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//isn't this were it's supposed to be, was missing some key strokes with it set below
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poll_keyboard_event_count = 0;
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}
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int Sys_PollMouseInputEvents( void ) {
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#if 0 //moved to the Sys_End functions
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poll_keyboard_event_count = 0;
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poll_mouse_event_count = 0;
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#endif
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// that's OS specific, implemented in osx/ and linux/
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Posix_PollInput( );
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return poll_mouse_event_count;
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}
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int Sys_ReturnMouseInputEvent( const int n, int &action, int &value )
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{
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if ( n>=poll_mouse_event_count ) {
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return 0;
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}
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action = poll_events_mouse[ n ].action;
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value = poll_events_mouse[ n ].value;
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return 1;
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}
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void Sys_EndMouseInputEvents( void ) {
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// moved out of the Sys_PollMouseInputEvents
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poll_mouse_event_count = 0;
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}
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