pcsx2/plugins/onepad/KeyStatus.cpp

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/* OnePAD - author: arcum42(@gmail.com)
* Copyright (C) 2011
*
* Based on ZeroPAD, author zerofrog@gmail.com
* Copyright (C) 2006-2007
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "KeyStatus.h"
void KeyStatus::Init()
{
for (int pad = 0; pad < 2; pad++) {
m_button[pad] = 0xFFFF;
m_internal_button_kbd[pad] = 0xFFFF;
m_internal_button_joy[pad] = 0xFFFF;
for (int index = 0; index < MAX_KEYS; index++) {
m_button_pressure[pad][index] = 0xFF;
m_internal_button_pressure[pad][index] = 0xFF;
}
m_analog[pad].lx = 0x80;
m_analog[pad].ly = 0x80;
m_analog[pad].rx = 0x80;
m_analog[pad].ry = 0x80;
m_internal_analog_kbd[pad].lx = 0x80;
m_internal_analog_kbd[pad].ly = 0x80;
m_internal_analog_kbd[pad].rx = 0x80;
m_internal_analog_kbd[pad].ry = 0x80;
m_internal_analog_joy[pad].lx = 0x80;
m_internal_analog_joy[pad].ly = 0x80;
m_internal_analog_joy[pad].rx = 0x80;
m_internal_analog_joy[pad].ry = 0x80;
}
}
void KeyStatus::press(u32 pad, u32 index, s32 value)
{
if (!IsAnalogKey(index)) {
m_internal_button_pressure[pad][index] = value;
if (m_state_acces[pad])
clear_bit(m_internal_button_kbd[pad], index);
else
clear_bit(m_internal_button_joy[pad], index);
} else {
// clamp value
if (value > MAX_ANALOG_VALUE)
value = MAX_ANALOG_VALUE;
else if (value < -MAX_ANALOG_VALUE)
value = -MAX_ANALOG_VALUE;
// Left -> -- -> Right
// Value range : FFFF8002 -> 0 -> 7FFE
// Force range : 80 -> 0 -> 7F
// Normal mode : expect value 0 -> 80 -> FF
// Reverse mode: expect value FF -> 7F -> 0
u8 force = (value / 256);
if (analog_is_reversed(index)) analog_set(pad, index, 0x7F - force);
else analog_set(pad, index, 0x80 + force);
}
}
void KeyStatus::release(u32 pad, u32 index)
{
if (!IsAnalogKey(index)) {
if (m_state_acces[pad])
set_bit(m_internal_button_kbd[pad], index);
else
set_bit(m_internal_button_joy[pad], index);
} else {
analog_set(pad, index, 0x80);
}
}
u16 KeyStatus::get(u32 pad)
{
return m_button[pad];
}
void KeyStatus::analog_set(u32 pad, u32 index, u8 value)
{
PADAnalog* m_internal_analog_ref;
if (m_state_acces[pad])
m_internal_analog_ref = &m_internal_analog_kbd[pad];
else
m_internal_analog_ref = &m_internal_analog_joy[pad];
switch (index)
{
case PAD_R_LEFT:
case PAD_R_RIGHT: m_internal_analog_ref->rx = value; break;
case PAD_R_DOWN:
case PAD_R_UP: m_internal_analog_ref->ry = value; break;
case PAD_L_LEFT:
case PAD_L_RIGHT: m_internal_analog_ref->lx = value; break;
case PAD_L_DOWN:
case PAD_L_UP: m_internal_analog_ref->ly = value; break;
default: break;
}
}
bool KeyStatus::analog_is_reversed(u32 index)
{
switch (index)
{
case PAD_L_RIGHT:
case PAD_L_LEFT:
return ((conf->options & PADOPTION_REVERSELX) != 0);
case PAD_R_LEFT:
case PAD_R_RIGHT:
return ((conf->options & PADOPTION_REVERSERX) != 0);
case PAD_L_UP:
case PAD_L_DOWN:
return ((conf->options & PADOPTION_REVERSELY) != 0);
case PAD_R_DOWN:
case PAD_R_UP:
return ((conf->options & PADOPTION_REVERSERY) != 0);
default: return false;
}
}
u8 KeyStatus::get(u32 pad, u32 index)
{
switch (index)
{
case PAD_R_LEFT:
case PAD_R_RIGHT: return m_analog[pad].rx;
case PAD_R_DOWN:
case PAD_R_UP: return m_analog[pad].ry;
case PAD_L_LEFT:
case PAD_L_RIGHT: return m_analog[pad].lx;
case PAD_L_DOWN:
case PAD_L_UP: return m_analog[pad].ly;
default: return m_button_pressure[pad][index];
}
}
u8 KeyStatus::analog_merge(u8 kbd, u8 joy)
{
if (kbd != 0x80)
return kbd;
else
return joy;
}
void KeyStatus::commit_status(u32 pad)
{
m_button[pad] = m_internal_button_kbd[pad] & m_internal_button_joy[pad];
for (int index = 0; index < MAX_KEYS; index++)
m_button_pressure[pad][index] = m_internal_button_pressure[pad][index];
m_analog[pad].lx = analog_merge(m_internal_analog_kbd[pad].lx, m_internal_analog_joy[pad].lx);
m_analog[pad].ly = analog_merge(m_internal_analog_kbd[pad].ly, m_internal_analog_joy[pad].ly);
m_analog[pad].rx = analog_merge(m_internal_analog_kbd[pad].rx, m_internal_analog_joy[pad].rx);
m_analog[pad].ry = analog_merge(m_internal_analog_kbd[pad].ry, m_internal_analog_joy[pad].ry);
}