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/* keyboard.c */
/* Copyright Hugh Robinson 2006-2008.
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 3 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, see <http://www.gnu.org/licenses/>. */
#include "asylum.h"
extern asylum_options options;
static char keyboard[512];
static int keybuf;
static int unibuf;
static int mouse;
static int exposed;
#define ESC_VALUE 27
void init_keyboard()
{
for (int i = 0; i < 512; i++) keyboard[i] = 0;
}
void swi_removecursors()
{
;
}
int swi_readescapestate()
{
return keyboard[ESC_VALUE];
}
int readmousestate()
{
return mouse;
}
int osbyte_79(int c)
{
update_keyboard();
int key = keybuf;
keybuf = -1;
return key;
//for (int i=0;i<512;i++) if (keyboard[i]) {/*printf("Returning %i\n",i);*/ return i;}
return -1;
}
int osbyte_79_unicode(int c)
{
update_keyboard();
int uni = unibuf;
unibuf = -1;
return uni;
}
int osbyte_7a()
{
update_keyboard(); for (int i = 0; i < 512; i++) if (keyboard[i]) return i;return -1;
}
void osbyte_7c()
{
keyboard[ESC_VALUE] = 0;
}
int osbyte_81(int c)
{
if (c >= 0) return osbyte_79(c);
update_keyboard();
return keyboard[-c];
}
char swi_oscrc(int w, char* start, char* end, int bytes)
{
return 0xff;
}
int swi_joystick_read(int a, int* x, int* y)
{
;
}
void update_keyboard()
{
SDL_Event e;
SDL_KeyboardEvent* ke;
SDL_MouseButtonEvent* me;
while (SDL_PollEvent(&e))
{
// why not SDL_PeepEvents(&e, 1, SDL_GETEVENT, SDL_KEYDOWNMASK|SDL_KEYUPMASK)>0)?
switch (e.type)
{
case SDL_KEYDOWN:
ke = (SDL_KeyboardEvent*)&e;
keyboard[ke->keysym.sym] = 0xff;
keybuf = ke->keysym.sym;
if (ke->keysym.unicode)
unibuf = ke->keysym.unicode;
else
unibuf = -1;
break;
case SDL_KEYUP:
ke = (SDL_KeyboardEvent*)&e;
keyboard[ke->keysym.sym] = 0;
break;
case SDL_MOUSEBUTTONDOWN:
me = (SDL_MouseButtonEvent*)&e;
switch (me->button)
{
case SDL_BUTTON_LEFT: mouse |= 4; break;
case SDL_BUTTON_MIDDLE: mouse |= 2; break;
case SDL_BUTTON_RIGHT: mouse |= 1; break;
}
break;
case SDL_MOUSEBUTTONUP:
me = (SDL_MouseButtonEvent*)&e;
switch (me->button)
{
case SDL_BUTTON_LEFT: mouse &= ~4; break;
case SDL_BUTTON_MIDDLE: mouse &= ~2; break;
case SDL_BUTTON_RIGHT: mouse &= ~1; break;
}
break;
case SDL_VIDEOEXPOSE:
exposed = 1;
break;
case SDL_QUIT:
exithandler();
break;
}
}
}
void zonecheatread(int* zone)
{
char r1 = osbyte_79_unicode(0); // was _81(0)
if ((r1 < 48) || (r1 > 56)) return;
*zone = r1-48;
}
void cheatread()
{
if (osbyte_81(-282) == 0xff) getmpmg();
if (osbyte_81(-283) == 0xff) getrocket();
if (osbyte_81(-285) == 0xff) screensave();
if (osbyte_81(-284) == 0xff) prepstrength();
}
void keyread(key_state* ks)
{
int r4 = -1;
if (options.joyno)
{
int r0, r1;
int v = swi_joystick_read(options.joyno-1, &r0, &r1);
if (v)
{
nostickerr:
message(32, 32, 0, 1, "Can't see a joystick!");
r4 = -1;
options.joyno = 0;
}
else
r4 = -1;
/*
MOV R1,R0,ASL #24
CMN R1,#32<<24
BICLT R4,R4,#8; down
CMP R1,#32<<24
BICGT R4,R4,#4; up
BIC R0,R0,#&FF
MOV R1,R0,ASL #16
CMN R1,#32<<24
BICLT R4,R4,#1; left
CMP R1,#32<<24
BICGT R4,R4,#2; right
TST R0,#1<<16
BICNE R4,R4,#16; fire
TST R0,#1<<17
BICNE R4,R4,#4; up on fire button 2
*/
}
nojoystick:
if ((osbyte_81(options.leftkey) == 0xff) || !(r4&1))
{ if (++ks->leftpress == 0) ks->leftpress = 0xff;}
else ks->leftpress = 0;
if ((osbyte_81(options.rightkey) == 0xff) || !(r4&2))
{ if (++ks->rightpress == 0) ks->rightpress = 0xff;}
else ks->rightpress = 0;
if ((osbyte_81(options.upkey) == 0xff) || !(r4&4))
{ if (++ks->uppress == 0) ks->uppress = 0xff; }
else ks->uppress = 0;
if ((osbyte_81(options.downkey) == 0xff) || !(r4&8))
{ if (++ks->downpress == 0) ks->downpress = 0xff; }
else ks->downpress = 0;
if ((osbyte_81(options.firekey) == 0xff) || !(r4&16))
{ if (++ks->fire == 0) ks->fire = 0xff; }
else ks->fire = 0;
if (ks->leftpress || ks->rightpress
|| ks->uppress || ks->downpress || ks->fire)
ks->keypressed = 1;
}
int need_redraw()
{
int e = exposed;
exposed = 0;
return e;
}
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