raze-gles/source/common/console/d_event.cpp

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/*
** c_dispatch.cpp
** Functions for executing console commands and aliases
**
**---------------------------------------------------------------------------
** Copyright 1998-2016 Randy Heit
** Copyright 2003-2019 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "c_bind.h"
#include "d_event.h"
#include "c_console.h"
#include "d_gui.h"
#include "inputstate.h"
#include "menu.h"
int eventhead;
int eventtail;
event_t events[NUM_EVENTS];
//==========================================================================
//
// G_Responder
// Process the event for the game
//
//==========================================================================
bool G_Responder (event_t *ev)
{
switch (ev->type)
{
case EV_KeyDown:
if (C_DoKey (ev, &Bindings, &DoubleBindings))
return true;
break;
case EV_KeyUp:
C_DoKey (ev, &Bindings, &DoubleBindings);
break;
#if 0
// [RH] mouse buttons are sent as key up/down events
case EV_Mouse:
mousex = (int)(ev->x * mouse_sensitivity);
mousey = (int)(ev->y * mouse_sensitivity);
break;
#endif
}
#if 0
// [RH] If the view is active, give the automap a chance at
// the events *last* so that any bound keys get precedence.
// An option for later. Currently the automap is insufficiently separated from the game loop
if (gamestate == GS_LEVEL && viewactive && primaryLevel->automap)
return primaryLevel->automap->Responder (ev, true);
#endif
return (ev->type == EV_KeyDown ||
ev->type == EV_Mouse);
}
//==========================================================================
//
// D_ProcessEvents
//
// Send all the events of the given timestamp down the responder chain.
// Events are asynchronous inputs generally generated by the game user.
// Events can be discarded if no responder claims them
//
//==========================================================================
void D_ProcessEvents (void)
{
event_t *ev;
for (; eventtail != eventhead ; eventtail = (eventtail+1)&(NUM_EVENTS-1))
{
ev = &events[eventtail];
if (ev->type == EV_None)
continue;
/*if (ev->type == EV_DeviceChange)
UpdateJoystickMenu(I_UpdateDeviceList());*/
if (C_Responder (ev))
continue; // console ate the event
if (M_Responder (ev))
continue; // menu ate the event
G_Responder (ev);
}
}
//==========================================================================
//
// D_PostEvent
//
// Called by the I/O functions when input is detected.
//
//==========================================================================
void sendKeyForBinding(int key);
void D_PostEvent (const event_t *ev)
{
// Do not post duplicate consecutive EV_DeviceChange events.
if (ev->type == EV_DeviceChange && events[eventhead].type == EV_DeviceChange)
{
return;
}
if (ev->type == EV_Mouse && GUICapture == 0 && appactive)
{
inputState.MouseAddToPos(ev->x / 3, -ev->y / 2);
return;
}
inputState.AddEvent(ev);
// Also add it to the event queue.
events[eventhead] = *ev;
eventhead = (eventhead+1)&(NUM_EVENTS-1);
}
//==========================================================================
//
// D_RemoveNextCharEvent
//
// Removes the next EV_GUI_Char event in the input queue. Used by the menu,
// since it (generally) consumes EV_GUI_KeyDown events and not EV_GUI_Char
// events, and it needs to ensure that there is no left over input when it's
// done. If there are multiple EV_GUI_KeyDowns before the EV_GUI_Char, then
// there are dead chars involved, so those should be removed, too. We do
// this by changing the message type to EV_None rather than by actually
// removing the event from the queue.
//
//==========================================================================
void D_RemoveNextCharEvent()
{
assert(events[eventtail].type == EV_GUI_Event && events[eventtail].subtype == EV_GUI_KeyDown);
for (int evnum = eventtail; evnum != eventhead; evnum = (evnum+1) & (NUM_EVENTS-1))
{
event_t *ev = &events[evnum];
if (ev->type != EV_GUI_Event)
break;
if (ev->subtype == EV_GUI_KeyDown || ev->subtype == EV_GUI_Char)
{
ev->type = EV_None;
if (ev->subtype == EV_GUI_Char)
break;
}
else
{
break;
}
}
}