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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* $URL$
* $Id$
*
*/
#include <math.h> // Needed for "tan()" function
#include "osys_n64.h"
// Pad buttons
#define START_BUTTON(a) (a & 0x1000)
#define A_BUTTON(a) (a & 0x8000)
#define B_BUTTON(a) (a & 0x4000)
#define Z_BUTTON(a) (a & 0x2000)
// Triggers
#define TL_BUTTON(a) (a & 0x0020)
#define TR_BUTTON(a) (a & 0x0010)
// D-Pad
#define DL_BUTTON(a) (a & 0x0200)
#define DR_BUTTON(a) (a & 0x0100)
#define DU_BUTTON(a) (a & 0x0800)
#define DD_BUTTON(a) (a & 0x0400)
// Yellow C buttons
#define CL_BUTTON(a) (a & 0x0002)
#define CR_BUTTON(a) (a & 0x0001)
#define CU_BUTTON(a) (a & 0x0008)
#define CD_BUTTON(a) (a & 0x0004)
#define MOUSE_DEADZONE 0
#define PAD_DEADZONE 1
#define PAD_ACCELERATION 15
#define PAD_CHECK_TIME 40
static controller_data_buttons _ctrlData;
void OSystem_N64::readControllerAnalogInput(void) {
int8 pad_analogX, pad_analogY;
int8 pad_mouseX, pad_mouseY;
// Read current controller status
controller_Read_Buttons(&_ctrlData);
pad_analogX = (_ctrlData.c[_controllerPort].throttle >> 8) & 0xFF;
pad_analogY = (_ctrlData.c[_controllerPort].throttle >> 0) & 0xFF;
pad_mouseX = 0;
pad_mouseY = 0;
if (_mousePort >= 0) { // If mouse is present, read movement values
pad_mouseX = (_ctrlData.c[_mousePort].throttle >> 8) & 0xFF;
pad_mouseY = (_ctrlData.c[_mousePort].throttle >> 0) & 0xFF;
}
float mx = _tempMouseX;
float my = _tempMouseY;
// Limit the analog range for pad.
// When moving in diagonal the max/min of 128/-128 was not reached
// yielding weird results for the tangent acceleration function
if (pad_analogX > 60) pad_analogX = 60;
else if (pad_analogX < -60) pad_analogX = -60;
if (pad_analogY > 60) pad_analogY = 60;
else if (pad_analogY < -60) pad_analogY = -60;
// Gamepad
if (abs(pad_analogX) > PAD_DEADZONE)
mx += tan(pad_analogX * (PI / 140));
if (abs(pad_analogY) > PAD_DEADZONE)
my -= tan(pad_analogY * (PI / 140));
// Mouse
if (abs(pad_mouseX) > MOUSE_DEADZONE)
mx += pad_mouseX;
if (abs(pad_mouseY) > MOUSE_DEADZONE)
my -= pad_mouseY;
if (mx < 0)
mx = 0;
if (mx >= _mouseMaxX)
mx = _mouseMaxX - 1;
if (my < 0)
my = 0;
if (my >= _mouseMaxY)
my = _mouseMaxY - 1;
_tempMouseX = mx;
_tempMouseY = my;
}
bool OSystem_N64::pollEvent(Common::Event &event) {
// Check Timers. Not the best place, but checking in interrupts proved to be unsafe
checkTimers();
// Refill audio buffers, doing this inside interrupts could be harmful
refillAudioBuffers();
// Read current controller status
controller_Read_Buttons(&_ctrlData);
static uint16 oldButtons = 0; // old button data... used for button press/release
static uint16 oldMouseButtons = 0;
uint16 newButtons = _ctrlData.c[_controllerPort].buttons; // Read from controller
uint16 newMouseButtons = 0;
if (_mousePort >= 0)
newMouseButtons = _ctrlData.c[_mousePort].buttons;
bool buttonPressed = false;
static bool left_digital = false;
static bool right_digital = false;
static bool up_digital = false;
static bool down_digital = false;
if (newButtons != oldButtons) { // Check PAD button press
if (DL_BUTTON(newButtons) && !DL_BUTTON(oldButtons)) // Pressed LEFT
left_digital = true;
else if (!DL_BUTTON(newButtons) && DL_BUTTON(oldButtons)) // Released LEFT
left_digital = false;
if (DR_BUTTON(newButtons) && !DR_BUTTON(oldButtons)) // Pressed RIGHT
right_digital = true;
else if (!DR_BUTTON(newButtons) && DR_BUTTON(oldButtons)) // Released RIGHT
right_digital = false;
if (DU_BUTTON(newButtons) && !DU_BUTTON(oldButtons)) // Pressed UP
up_digital = true;
else if (!DU_BUTTON(newButtons) && DU_BUTTON(oldButtons)) // Released UP
up_digital = false;
if (DD_BUTTON(newButtons) && !DD_BUTTON(oldButtons)) // Pressed DOWN
down_digital = true;
else if (!DD_BUTTON(newButtons) && DD_BUTTON(oldButtons)) // Released DOWN
down_digital = false;
if (B_BUTTON(newButtons) && !B_BUTTON(oldButtons)) { // Pressed B - Right Mouse Button
buttonPressed = true;
event.type = Common::EVENT_RBUTTONDOWN;
} else if (!B_BUTTON(newButtons) && B_BUTTON(oldButtons)) { // Released B
buttonPressed = true;
event.type = Common::EVENT_RBUTTONUP;
} else if (A_BUTTON(newButtons) && !A_BUTTON(oldButtons)) { // Pressed A - Period
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_PERIOD;
event.kbd.ascii = '.';
event.type = Common::EVENT_KEYDOWN;
} else if (!A_BUTTON(newButtons) && A_BUTTON(oldButtons)) { // Released A
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_PERIOD;
event.kbd.ascii = '.';
event.type = Common::EVENT_KEYUP;
} else if (START_BUTTON(newButtons) && !START_BUTTON(oldButtons)) { // Pressed START - F5
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_F5;
event.kbd.ascii = Common::ASCII_F5;
event.type = Common::EVENT_KEYDOWN;
} else if (!START_BUTTON(newButtons) && START_BUTTON(oldButtons)) { // Released START
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_F5;
event.kbd.ascii = Common::ASCII_F5;
event.type = Common::EVENT_KEYUP;
} else if (CU_BUTTON(newButtons) && !CU_BUTTON(oldButtons)) { // Pressed Yellow Up - UP
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_UP;
event.type = Common::EVENT_KEYDOWN;
} else if (!CU_BUTTON(newButtons) && CU_BUTTON(oldButtons)) { // Released Yellow Up
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_UP;
event.type = Common::EVENT_KEYUP;
} else if (CD_BUTTON(newButtons) && !CD_BUTTON(oldButtons)) { // Pressed Yellow Down - DOWN
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_DOWN;
event.type = Common::EVENT_KEYDOWN;
} else if (!CD_BUTTON(newButtons) && CD_BUTTON(oldButtons)) { // Released Yellow Down
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_DOWN;
event.type = Common::EVENT_KEYUP;
} else if (CL_BUTTON(newButtons) && !CL_BUTTON(oldButtons)) { // Pressed Yellow Left - LEFT
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_LEFT;
event.type = Common::EVENT_KEYDOWN;
} else if (!CL_BUTTON(newButtons) && CL_BUTTON(oldButtons)) { // Released Yellow Left
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_LEFT;
event.type = Common::EVENT_KEYUP;
} else if (CR_BUTTON(newButtons) && !CR_BUTTON(oldButtons)) { // Pressed Yellow Right - RIGHT
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_RIGHT;
event.type = Common::EVENT_KEYDOWN;
} else if (!CR_BUTTON(newButtons) && CR_BUTTON(oldButtons)) { // Released Yellow Right
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_RIGHT;
event.type = Common::EVENT_KEYUP;
} else if (TL_BUTTON(newButtons) && !TL_BUTTON(oldButtons)) { // Pressed Trigger Left - ESC
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_ESCAPE;
event.kbd.ascii = 27;
event.type = Common::EVENT_KEYDOWN;
} else if (!TL_BUTTON(newButtons) && TL_BUTTON(oldButtons)) { // Released Trigger Left
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_ESCAPE;
event.kbd.ascii = 27;
event.type = Common::EVENT_KEYUP;
} else if (TR_BUTTON(newButtons) && !TR_BUTTON(oldButtons)) { // Pressed Trigger Right - F7
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_F7;
event.kbd.ascii = Common::ASCII_F7;
event.type = Common::EVENT_KEYDOWN;
} else if (!TR_BUTTON(newButtons) && TR_BUTTON(oldButtons)) { // Released Trigger Right
buttonPressed = true;
event.kbd.keycode = Common::KEYCODE_F7;
event.kbd.ascii = Common::ASCII_F7;
event.type = Common::EVENT_KEYUP;
} else if (Z_BUTTON(newButtons) && !Z_BUTTON(oldButtons)) { // Pressed Z - Left Mouse Button
buttonPressed = true;
event.type = Common::EVENT_LBUTTONDOWN;
} else if (!Z_BUTTON(newButtons) && Z_BUTTON(oldButtons)) { // Released Z
buttonPressed = true;
event.type = Common::EVENT_LBUTTONUP;
}
oldButtons = newButtons; // Save current button status
if (buttonPressed) {
event.mouse.x = _mouseX;
event.mouse.y = _mouseY;
return true;
}
}
if (newMouseButtons != oldMouseButtons) { // Check mouse button press
if (B_BUTTON(newMouseButtons) && !B_BUTTON(oldMouseButtons)) { // Pressed Right Mouse Button
buttonPressed = true;
event.type = Common::EVENT_RBUTTONDOWN;
} else if (!B_BUTTON(newMouseButtons) && B_BUTTON(oldMouseButtons)) { // Released RMB
buttonPressed = true;
event.type = Common::EVENT_RBUTTONUP;
} else if (A_BUTTON(newMouseButtons) && !A_BUTTON(oldMouseButtons)) { // Pressed Left Mouse Button
buttonPressed = true;
event.type = Common::EVENT_LBUTTONDOWN;
} else if (!A_BUTTON(newMouseButtons) && A_BUTTON(oldMouseButtons)) { // Released LMB
buttonPressed = true;
event.type = Common::EVENT_LBUTTONUP;
}
oldMouseButtons = newMouseButtons; // Save current button status
if (buttonPressed) {
event.mouse.x = _mouseX;
event.mouse.y = _mouseY;
return true;
}
}
static uint32 _lastPadCheck = 0;
uint32 curTime = getMillis();
if ((curTime - _lastPadCheck) > PAD_CHECK_TIME) {
_lastPadCheck = curTime;
float mx = _tempMouseX;
float my = _tempMouseY;
if (left_digital || right_digital || up_digital || down_digital) {
if (left_digital)
mx -= 2;
else if (right_digital)
mx += 2;
if (up_digital)
my -= 2;
else if (down_digital)
my += 2;
}
if (mx < 0)
mx = 0;
if (mx >= _mouseMaxX)
mx = _mouseMaxX - 1;
if (my < 0)
my = 0;
if (my >= _mouseMaxY)
my = _mouseMaxY - 1;
if ((mx != _mouseX) || (my != _mouseY)) {
event.type = Common::EVENT_MOUSEMOVE;
event.mouse.x = _mouseX = _tempMouseX = mx;
event.mouse.y = _mouseY = _tempMouseY = my;
_dirtyOffscreen = true;
return true;
}
}
return false;
}
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