diff options
Diffstat (limited to 'backends/dc/input.cpp')
| -rw-r--r-- | backends/dc/input.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/backends/dc/input.cpp b/backends/dc/input.cpp new file mode 100644 index 0000000000..ed7289e463 --- /dev/null +++ b/backends/dc/input.cpp @@ -0,0 +1,173 @@ +/* ScummVM - Scumm Interpreter + * Dreamcast port + * Copyright (C) 2002 Marcus Comstedt + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#include "stdafx.h" +#include "scumm.h" +#include "dc.h" + +int handleInput(struct mapledev *pad, int &mouse_x, int &mouse_y, + byte &shiftFlags) +{ + int lmb=0, rmb=0, newkey=0; + static int lastkey = 0; + static byte lastlmb = 0, lastrmb = 0; + shiftFlags = 0; + for(int i=0; i<4; i++, pad++) + if(pad->func & MAPLE_FUNC_CONTROLLER) { + int buttons = pad->cond.controller.buttons; + + if(!(buttons & 0x060e)) exit(0); + + if(!(buttons & 4)) lmb++; + if(!(buttons & 2)) rmb++; + + if(!(buttons & 8)) newkey = 319; + else if(!(buttons & 512)) newkey = ' '; + else if(!(buttons & 1024)) newkey = '0'; + + if(!(buttons & 128)) mouse_x++; + if(!(buttons & 64)) mouse_x--; + if(!(buttons & 32)) mouse_y++; + if(!(buttons & 16)) mouse_y--; + + mouse_x += ((int)pad->cond.controller.joyx-128)>>4; + mouse_y += ((int)pad->cond.controller.joyy-128)>>4; + } else if(pad->func & MAPLE_FUNC_MOUSE) { + int buttons = pad->cond.mouse.buttons; + + if(!(buttons & 4)) lmb++; + if(!(buttons & 2)) rmb++; + + if(!(buttons & 8)) newkey = 319; + + mouse_x += pad->cond.mouse.axis1; + mouse_y += pad->cond.mouse.axis2; + pad->cond.mouse.axis1 = 0; + pad->cond.mouse.axis2 = 0; + } else if(pad->func & MAPLE_FUNC_KEYBOARD) { + for(int p=0; p<6; p++) { + int shift = pad->cond.kbd.shift; + int key = pad->cond.kbd.key[p]; + if(shift & 0x08) lmb++; + if(shift & 0x80) rmb++; + if(shift & 0x11) shiftFlags |= OSystem::KBD_CTRL; + if(shift & 0x44) shiftFlags |= OSystem::KBD_ALT; + if(shift & 0x22) shiftFlags |= OSystem::KBD_SHIFT; + if(key >= 4 && key <= 0x1d) + newkey = key+('a'-4); + else if(key >= 0x1e && key <= 0x26) + newkey = key+((shift & 0x22)? ('!'-0x1e) : ('1'-0x1e)); + else if(key >= 0x59 && key <= 0x61) + newkey = key+('1'-0x59); + else if(key >= 0x3a && key <= 0x43) + newkey = key+(315-0x3a); + else switch(key) { + case 0x27: case 0x62: + newkey = ((shift & 0x22)? '~' : '0'); break; + case 0x28: case 0x58: + newkey = 13; break; + case 0x29: + newkey = 27; break; + case 0x2a: + newkey = 8; break; + case 0x2b: + newkey = 9; break; + case 0x2c: + newkey = ' '; break; + case 0x4c: + if((shift & 0x11) && (shift & 0x44)) + exit(0); + break; + case 0x4f: + mouse_x++; break; + case 0x50: + mouse_x--; break; + case 0x51: + mouse_y++; break; + case 0x52: + mouse_y--; break; + } + } + } + + if(lmb && !lastlmb) { + lastlmb = 1; + return -OSystem::EVENT_LBUTTONDOWN; + } else if(lastlmb && !lmb) { + lastlmb = 0; + return -OSystem::EVENT_LBUTTONUP; + } + if(rmb && !lastrmb) { + lastrmb = 1; + return -OSystem::EVENT_RBUTTONDOWN; + } else if(lastrmb && !rmb) { + lastrmb = 0; + return -OSystem::EVENT_RBUTTONUP; + } + + if(!newkey) + lastkey = 0; + else if(newkey != lastkey) + return lastkey = newkey; + + return 0; +} + +bool OSystem_Dreamcast::poll_event(Event *event) +{ + unsigned int t = Timer(); + if(((int)(t-_devpoll))<0) + return false; + _devpoll += USEC_TO_TIMER(17000); + int mask = getimask(); + setimask(15); + checkSound(); + int e = handleInput(locked_get_pads(), _ms_cur_x, _ms_cur_y, + event->kbd.flags); + setimask(mask); + if (_ms_cur_x<0) _ms_cur_x=0; + if (_ms_cur_x>319) _ms_cur_x=319; + if (_ms_cur_y<0) _ms_cur_y=0; + if (_ms_cur_y>=_screen_h) _ms_cur_y=_screen_h-1; + event->mouse.x = _ms_cur_x; + event->mouse.y = _ms_cur_y; + event->kbd.ascii = event->kbd.keycode = 0; + if(e<0) { + event->event_code = -e; + return true; + } else if(e>0) { + event->event_code = EVENT_KEYDOWN; + event->kbd.keycode = e; + event->kbd.ascii = (e>='a' && e<='z' && (event->kbd.flags & KBD_SHIFT)? + e &~ 0x20 : e); + return true; + } else if(_ms_cur_x != _ms_old_x || _ms_cur_y != _ms_old_y) { + event->event_code = EVENT_MOUSEMOVE; + _ms_old_x = _ms_cur_x; + _ms_old_y = _ms_cur_y; + return true; + } else { + event->event_code = 0; + return false; + } +} + |