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amilayer.c
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amilayer.c
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// Amiga interface layer
// for the Build Engine
// by Szilard Biro (col.lawrence@gmail.com)
//
#include <devices/input.h>
#if defined __AROS__
#include <devices/rawkeycodes.h>
#define NM_WHEEL_UP RAWKEY_NM_WHEEL_UP
#define NM_WHEEL_DOWN RAWKEY_NM_WHEEL_DOWN
#define NM_BUTTON_FOURTH RAWKEY_NM_BUTTON_FOURTH
#elif !defined __MORPHOS__
#include <newmouse.h>
#endif
#include <libraries/lowlevel.h>
#include <intuition/intuition.h>
#include <intuition/intuitionbase.h>
#include <graphics/videocontrol.h>
#include <workbench/startup.h>
#include <clib/alib_protos.h>
#include <proto/intuition.h>
//#include <exec/execbase.h>
#include <proto/exec.h>
#include <proto/keymap.h>
#include <proto/lowlevel.h>
#include <proto/dos.h>
#include <proto/timer.h>
#include <proto/graphics.h>
#include <proto/icon.h>
#include <cybergraphx/cybergraphics.h>
#include <proto/cybergraphics.h>
#include <devices/gameport.h>
#include <psxport.h>
#include <SDI_compiler.h>
#include <SDI_interrupt.h>
#undef UNUSED
#include <stdlib.h>
#include <math.h>
#include <sys/time.h>
#include "build.h"
#include "baselayer_priv.h"
//#include "amilayer.h"
#include "baselayer.h"
#include "cache1d.h"
#include "pragmas.h"
#include "a.h"
#include "osd.h"
#include "glbuild.h"
int startwin_open(void) { return 0; }
int startwin_close(void) { return 0; }
int startwin_puts(const char *s) { (void)s; return 0; }
int startwin_idle(void *s) { (void)s; return 0; }
int startwin_settitle(const char *s) { (void)s; return 0; }
static char apptitle[256] = "Build Engine";
static char wintitle[256] = "";
// video
static struct Window *window = NULL;
static struct Screen *screen = NULL;
static unsigned char ppal[256 * 4];
static ULONG spal[1 + (256 * 3) + 1];
static int updatePalette = 0;
#ifndef __AROS__
struct Library *CyberGfxBase = NULL;
#else
struct Library *LowLevelBase;
#endif
static int use_c2p = 0;
static int use_wcp = 0;
static int use_ham = 0;
static int currentBitMap;
static struct ScreenBuffer *sbuf[2];
static struct RastPort temprp;
static struct MsgPort *dispport;
static int safetochange;
static ULONG fsMonitorID = INVALID_ID;
static ULONG fsModeID = INVALID_ID;
static char wndPubScreen[32] = {"Workbench"};
static UBYTE *ham_cmd; // cached HAM6 commands, 255 if invalid
static UWORD ham_dst[4096]; // distance from the 16 color palette for each RGB12 color + the palette index
static UWORD ham_rgb[256]; // game palette as RGB12
static UBYTE *ham_buffer; // frame buffer converted to ham commands
static unsigned char *frame;
extern int gammabrightness;
extern float curgamma;
// input
static struct MsgPort *inputPort;
static struct IOStdReq *inputReq;
static UWORD *pointermem;
static struct MsgPort *gameport_mp = NULL;
static struct IOStdReq *gameport_io = NULL;
static BOOL gameport_is_open = FALSE;
static struct InputEvent gameport_ie;
static BOOL analog_centered = FALSE;
static int analog_clx;
static int analog_cly;
static int analog_crx;
static int analog_cry;
struct GamePortTrigger gameport_gpt = {
GPTF_UPKEYS | GPTF_DOWNKEYS, /* gpt_Keys */
0, /* gpt_Timeout */
1, /* gpt_XDelta */
1 /* gpt_YDelta */
};
static char mouseacquired=0,moustat=0;
#ifdef __AROS__
// dummy
static void c2p_write_bm(WORD chunkyx, WORD chunkyy, WORD offsx, WORD offsy, APTR chunkyscreen, struct BitMap *bitmap) {}
#else
static ULONG oldFPCR = -1;
//extern ULONG ASM getfpcr(void);
//extern void ASM setfpcr(REG(d0,ULONG val));
//extern void ASM c2p1x1_8_c5_bm(REG(d0, WORD chunkyx), REG(d1, WORD chunkyy), REG(d2, WORD offsx), REG(d3, WORD offsy), REG(a0, APTR chunkyscreen), REG(a1, struct BitMap *bitmap));
extern void ASM c2p1x1_8_c5_bm_040(REG(d0, WORD chunkyx), REG(d1, WORD chunkyy), REG(d2, WORD offsx), REG(d3, WORD offsy), REG(a0, APTR chunkyscreen), REG(a1, struct BitMap *bitmap));
extern void ASM c2p1x1_6_c5_bm_040(REG(d0, WORD chunkyx), REG(d1, WORD chunkyy), REG(d2, WORD offsx), REG(d3, WORD offsy), REG(a0, APTR chunkyscreen), REG(a1, struct BitMap *bitmap));
typedef void ASM (*c2p_write_bm_func)(REG(d0, WORD chunkyx), REG(d1, WORD chunkyy), REG(d2, WORD offsx), REG(d3, WORD offsy), REG(a0, APTR chunkyscreen), REG(a1, struct BitMap *bitmap));
static c2p_write_bm_func c2p_write_bm;
#define TIMERINT
#endif
#ifdef TIMERINT
static struct EClockVal timeval;
static int timecount = -1;
#endif
static void shutdownvideo(void);
static void constrainmouse(int a);
int wm_msgbox(const char *value, const char *fmt, ...)
{
char buf[512];
va_list va;
if (!value) {
value = apptitle;
}
va_start(va,fmt);
vsprintf(buf,fmt,va);
va_end(va);
if (IntuitionBase) {
struct EasyStruct es;
es.es_StructSize = sizeof(es);
es.es_Flags = 0;
es.es_Title = (STRPTR)value;
es.es_TextFormat = (STRPTR)buf;
es.es_GadgetFormat = (STRPTR)"OK";
int wasacquired = mouseacquired;
constrainmouse(0);
EasyRequestArgs(/*window*/NULL, &es, NULL, NULL);
constrainmouse(wasacquired);
} else {
puts(buf);
}
return 0;
}
int wm_ynbox(const char *value, const char *fmt, ...)
{
char buf[512];
int rv;
va_list va;
if (!value) {
value = apptitle;
}
va_start(va,fmt);
vsprintf(buf,fmt,va);
va_end(va);
if (IntuitionBase) {
struct EasyStruct es;
es.es_StructSize = sizeof(es);
es.es_Flags = 0;
es.es_Title = (STRPTR)value;
es.es_TextFormat = (STRPTR)buf;
es.es_GadgetFormat = (STRPTR)"Yes|No";
int wasacquired = mouseacquired;
constrainmouse(0);
rv = EasyRequestArgs(/*window*/NULL, &es, NULL, NULL);
constrainmouse(wasacquired);
} else {
puts(buf);
puts(" (assuming 'No')");
rv = 0;
}
return rv;
}
int wm_filechooser(const char *initialdir, const char *initialfile, const char *type, int foropen, char **choice)
{
return -1;
}
void wm_setapptitle(const char *value)
{
if (value) {
Bstrncpy(apptitle, value, sizeof(apptitle)-1);
apptitle[ sizeof(apptitle)-1 ] = 0;
}
//SetWindowTitles(window, (STRPTR)apptitle, (STRPTR)-1);
}
void wm_setwindowtitle(const char *value)
{
if (value) {
Bstrncpy(wintitle, value, sizeof(wintitle)-1);
wintitle[ sizeof(wintitle)-1 ] = 0;
}
// TODO wm_setapptitle?
}
//
//
// ---------------------------------------
//
// System
//
// ---------------------------------------
//
//
int main(int argc, char *argv[])
{
int r = 0;
char *exename;
struct DiskObject *appicon;
//BPTR progdir;
_buildargc = argc;
_buildargv = (const char **)argv;
if (argc == 0) {
struct WBStartup *startup = (struct WBStartup *)argv;
exename = (char *)startup->sm_ArgList->wa_Name;
//progdir = startup->sm_ArgList->wa_Lock;
} else {
exename = argv[0];
//progdir = GetProgramDir();
}
if ((appicon = GetDiskObject((STRPTR)exename))) {
char *value;
if ((value = (char *)FindToolType((CONST_STRPTR *)appicon->do_ToolTypes, (CONST_STRPTR)"FORCEMODE"))) {
if (!strcmp(value, "NTSC"))
fsMonitorID = NTSC_MONITOR_ID;
else if (!strcmp(value, "PAL"))
fsMonitorID = PAL_MONITOR_ID;
else if (!strcmp(value, "MULTISCAN"))
fsMonitorID = VGA_MONITOR_ID;
else if (!strcmp(value, "EURO72"))
fsMonitorID = EURO72_MONITOR_ID;
else if (!strcmp(value, "EURO36"))
fsMonitorID = EURO36_MONITOR_ID;
else if (!strcmp(value, "SUPER72"))
fsMonitorID = SUPER72_MONITOR_ID;
else if (!strcmp(value, "DBLNTSC"))
fsMonitorID = DBLNTSC_MONITOR_ID;
else if (!strcmp(value, "DBLPAL"))
fsMonitorID = DBLPAL_MONITOR_ID;
}
if ((value = (char *)FindToolType((CONST_STRPTR *)appicon->do_ToolTypes, (CONST_STRPTR)"FORCEID"))) {
int id;
if (sscanf(value, "%x", &id) == 1) {
fsModeID = id;
fsMonitorID = INVALID_ID;
}
}
if ((value = (char *)FindToolType((CONST_STRPTR *)appicon->do_ToolTypes, (CONST_STRPTR)"PUBSCREEN"))) {
strncpy(wndPubScreen, value, sizeof(wndPubScreen));
}
FreeDiskObject(appicon);
}
startwin_open();
baselayer_init();
r = app_main(_buildargc, (char const * const*)_buildargv);
startwin_close();
return r;
}
//
// initsystem() -- init Amiga systems
//
int initsystem(void)
{
atexit(uninitsystem);
#ifndef __AROS__
CyberGfxBase = OpenLibrary((STRPTR)"cybergraphics.library", 41);
/*
if (SysBase->AttnFlags & AFF_68040)
c2p_write_bm = c2p1x1_8_c5_bm_040;
else
c2p_write_bm = c2p1x1_8_c5_bm;
*/
oldFPCR = getfpcr();
setfpcr(0x00000020); // round toward minus infinity (RM)
#else
LowLevelBase = OpenLibrary("lowlevel.libarary", 0);
#endif
#ifdef TIMERINT
ElapsedTime(&timeval);
timecount = 0;
#endif
SetSignal(0, SIGBREAKF_CTRL_C);
return 0;
}
//
// uninitsystem() -- uninit Amiga systems
//
void uninitsystem(void)
{
uninitinput();
uninitmouse();
uninittimer();
shutdownvideo();
if (ham_cmd) {
free(ham_cmd);
ham_cmd = NULL;
}
#ifndef __AROS__
if (CyberGfxBase) {
CloseLibrary(CyberGfxBase);
CyberGfxBase = NULL;
}
if (oldFPCR != (ULONG)-1)
{
setfpcr(oldFPCR);
oldFPCR = (ULONG)-1;
}
#else
if (LowLevelBase) {
CloseLibrary(LowLevelBase);
LowLevelBase = NULL;
}
#endif
}
//
// initputs() -- prints a string to the intitialization window
//
void initputs(const char *str)
{
startwin_puts(str);
}
//
// debugprintf() -- prints a debug string to stderr
//
void debugprintf(const char *f, ...)
{
#ifdef DEBUGGINGAIDS
va_list va;
va_start(va,f);
Bvfprintf(stderr, f, va);
va_end(va);
#endif
}
//
//
// ---------------------------------------
//
// All things Input
//
// ---------------------------------------
//
//
static /*const*/ char keyascii[] =
{
'`', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', /* 10 */
'-', '=', '\\', 0, 0, 'q', 'w', 'e', 'r', 't', /* 20 */
'y', 'u', 'i', 'o', 'p', '[', ']', 0, 0, '2', /* 30 */
0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', /* 40 */
';', '\'', '#', 0, '4', '5', '6', '<', 'z', 'x', /* 50 */
'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '.', /* 60 */
0, '8', 0, 0x20, '\b', '\t', '\r', '\r', 0, 0, /* 70 */
0, 0, 0, '-', 0, 0, 0, 0, 0, 0, /* 80 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90 */
0, '/', '*', '+', 0, 0, 0, 0, 0, 0, /* 100 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110 */
};
static /*const*/ char keyascii_shift[] =
{
'~', '!', '\"', 0xA3/*Pound*/, '$', '%', '^', '&', '*', '(', ')', /* 10 */
'_', '+', '|', 0, 0, 'Q', 'W', 'E', 'R', 'T', /* 20 */
'Y', 'U', 'I', 'O', 'P', '{', '}', 0, 0, '2', /* 30 */
0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', /* 40 */
':', '\'', '@', 0, '4', '5', '6', '>', 'Z', 'X', /* 50 */
'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0, '.', /* 60 */
0, '8', 0, 0x20, '\b', '\t', '\r', '\r', 0, 0, /* 70 */
0, 0, 0, '-', 0, 0, 0, 0, 0, 0, /* 80 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90 */
0, '/', '*', '+', 0, 0, 0, 0, 0, 0, /* 100 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110 */
};
static const char *keynames[] =
{
"`", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", /* 10 */
"-", "=", "\\", 0, "Insert", "q", "w", "e", "r", "t", /* 20 */
"y", "u", "i", "o", "p", "[", "]", 0, "End", "Keypad 2", /* 30 */
"Page Down", "a", "s", "d", "f", "g", "h", "j", "k", "l", /* 40 */
";", "\'", "#", 0, "Keypad 4", "Keypad 5", "Keypad 6", "<", "z", "x", /* 50 */
"c", "v", "b", "n", "m", ",", ".", "/", 0, "Delete", /* 60 */
"Home", "Keypad 8", "Page Up", "Space", "Backspace", "Tab", "Keypad Enter", "Enter", "Escape", "Delete", /* 70 */
0, 0, 0, "Keypad -", 0, "Up", "Down", "Right", "Left", "F1", /* 80 */
"F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "Num Lock", /* 90 */
"Scroll Lock", "Keypad /", "Keypad *", "Keypad +", "Help", "Left Shift", "Right Shift", "Caps Lock", "Ctrl", "Left Alt", /* 100 */
"Right Alt", 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110 */
};
static const unsigned char keyconv[] =
{
0x29, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, /* 10 */
0xc, 0xd, 0x2b, 0/*U*/, 0xd2, 0x10, 0x11, 0x12, 0x13, 0x14, /* 20 */
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0/*U*/, 0xcf , 0x50, /* 30 */
0xd1, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, /* 40 */
0x27, 0x28, 0/*#*/, 0/*U*/, 0x4b, 0x4c, 0x4d, 0/*<*/, 0x2c, 0x2d, /* 50 */
0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0/*U*/, 0xd3, /* 60 */
0xc7, 0x48, 0xc9, 0x39, 0xe, 0xf, 0x9c, 0x1c, 0x1, 0xd3, /* 70 */
0/*U*/, 0/*U*/, 0/*U*/, 0x4a, 0/*U*/, 0xc8, 0xd0, 0xcd, 0xcb, 0x3b, /* 80 */
0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45/*(*/, /* 90 */
0x46/*)*/, 0xb5, 0x37, 0x4e, 0xc5, 0x2a, 0x36, 0x3a, 0x1d, 0x38, /* 100 */
0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110 */
};
#define MAX_KEYCONV (sizeof keyconv / sizeof keyconv[0])
#define SetKey(key,state) { \
keystatus[key] = state; \
if (state) { \
keyfifo[keyfifoend] = key; \
keyfifo[(keyfifoend+1)&(KEYFIFOSIZ-1)] = state; \
keyfifoend = ((keyfifoend+2)&(KEYFIFOSIZ-1)); \
} \
}
#ifdef __AROS__
#ifndef HANDLERPROTO
// ABIv0 kludge
#define HANDLERPROTO(value, ret, obj, data) ret value(obj, data)
#undef MakeInterruptPri
#define MakeInterruptPri(value, func, title, isdata, pri) static struct Interrupt value = {{NULL, NULL, title, NT_INTERRUPT, pri}, (APTR)isdata, (void (*)())func}
#endif
#endif
HANDLERPROTO(InputHandlerFunc, struct InputEvent *, struct InputEvent *input_event, APTR data)
{
struct InputEvent *ie;
int code, press;
// used for lag-free mouse input
if (!mouseacquired)
return input_event;
if (!window || !(window->Flags & WFLG_WINDOWACTIVE) || (window->WScreen && window->WScreen != IntuitionBase->FirstScreen))
return input_event;
for (ie = input_event; ie; ie = ie->ie_NextEvent)
{
press = (ie->ie_Code & IECODE_UP_PREFIX) == 0;
code = ie->ie_Code & ~IECODE_UP_PREFIX;
if (ie->ie_Class == IECLASS_RAWMOUSE)
{
// mouse buttons
if (code != IECODE_NOBUTTON)
{
int j = code - IECODE_LBUTTON;
if (j >= 0)
{
if (press)
mouseb |= (1<<j);
else
mouseb &= ~(1<<j);
}
ie->ie_Code = IECODE_NOBUTTON;
}
// mouse movement
mousex += ie->ie_position.ie_xy.ie_x;
mousey += ie->ie_position.ie_xy.ie_y;
ie->ie_position.ie_xy.ie_x = 0;
ie->ie_position.ie_xy.ie_y = 0;
}
//else if (ie->ie_Class == IECLASS_NEWMOUSE)
else if (ie->ie_Class == IECLASS_RAWKEY && code >= NM_WHEEL_UP && code <= NM_BUTTON_FOURTH)
{
// mouse button 4, mouse wheel
// up, down, left, right, fourth
const int newmousebtn[] = {5, 4, -1, -1, 3};
int j = newmousebtn[code - NM_WHEEL_UP];
if (j >= 0)
{
if (press)
mouseb |= (1<<j);
else
mouseb &= ~(1<<j);
}
ie->ie_Code = IECODE_NOBUTTON;
}
}
return input_event;
}
MakeInterruptPri(inputHandler, InputHandlerFunc, "Build input handler", NULL, 100);
static void RemoveInputHandler(void)
{
if (inputReq) {
inputReq->io_Data = &inputHandler;
inputReq->io_Command = IND_REMHANDLER;
DoIO((struct IORequest *)inputReq);
CloseDevice((struct IORequest *)inputReq);
DeleteIORequest((struct IORequest *)inputReq);
inputReq = NULL;
}
if (inputPort) {
DeleteMsgPort(inputPort);
inputPort = NULL;
}
}
static int AddInputHandler(void)
{
if ((inputPort = CreateMsgPort())) {
if ((inputReq = (struct IOStdReq *)CreateIORequest(inputPort, sizeof(*inputReq)))) {
if (!OpenDevice((STRPTR)"input.device", 0, (struct IORequest *)inputReq, 0)) {
inputReq->io_Data = &inputHandler;
inputReq->io_Command = IND_ADDHANDLER;
if (!DoIO((struct IORequest *)inputReq))
{
return 0;
}
}
}
}
RemoveInputHandler();
return 1;
}
//
// initinput() -- init input system
//
int initinput(void)
{
pointermem = (UWORD *)AllocVec(2 * 6, MEMF_CHIP | MEMF_CLEAR);
inputdevices = 1|2; // keyboard (1) and mouse (2)
mouseacquired = 0;
if (LowLevelBase) {
inputdevices |= 4; // joystick
joynumbuttons = 15;
joynumaxes = 0;
}
buildputs("Initialising game controllers\n");
if ((gameport_mp = CreateMsgPort())) {
if ((gameport_io = (struct IOStdReq *)CreateIORequest(gameport_mp, sizeof(struct IOStdReq)))) {
int ix;
BYTE gameport_ct;
for (ix=0; ix<4; ix++) {
if (!OpenDevice((STRPTR)"psxport.device", ix, (struct IORequest *)gameport_io, 0)) {
buildprintf("psxport.device unit %d opened.\n", ix);
Forbid();
gameport_io->io_Command = GPD_ASKCTYPE;
gameport_io->io_Length = 1;
gameport_io->io_Data = &gameport_ct;
DoIO((struct IORequest *)gameport_io);
if (gameport_ct == GPCT_NOCONTROLLER) {
gameport_ct = GPCT_ALLOCATED;
gameport_io->io_Command = GPD_SETCTYPE;
gameport_io->io_Length = 1;
gameport_io->io_Data = &gameport_ct;
DoIO((struct IORequest *)gameport_io);
Permit();
gameport_io->io_Command = GPD_SETTRIGGER;
gameport_io->io_Length = sizeof(struct GamePortTrigger);
gameport_io->io_Data = &gameport_gpt;
DoIO((struct IORequest *)gameport_io);
gameport_io->io_Command = GPD_READEVENT;
gameport_io->io_Length = sizeof(struct InputEvent);
gameport_io->io_Data = &gameport_ie;
SendIO((struct IORequest *)gameport_io);
gameport_is_open = TRUE;
inputdevices |= 4;
joynumbuttons = 15;
joynumaxes = 6;
break;
} else {
Permit();
buildprintf("psxport.device unit %d in use.\n", ix);
CloseDevice((struct IORequest *)gameport_io);
}
} else {
buildprintf("psxport.device unit %d won't open.\n", ix);
}
}
}
}
if (LowLevelBase && !gameport_is_open) {
buildputs("Using lowlevel.library for joystick input\n");
}
for (int i = 0; i < (int)MAX_KEYCONV; i++)
{
struct InputEvent ie;
UBYTE bufascii;
// skip the navigation and editing keys
if (i >= 0x41 && i <= 0x49)
continue;
// keypad numbers
if ((i == 0x0F) || (i >= 0x1D && i <= 0x1F) || (i >= 0x2D && i <= 0x2F) || (i >= 0x3D && i <= 0x3F))
continue;
ie.ie_Class = IECLASS_RAWKEY;
ie.ie_SubClass = 0;
ie.ie_Code = i;
ie.ie_Qualifier = 0;
ie.ie_EventAddress = NULL;
if (MapRawKey(&ie, (STRPTR)&bufascii, sizeof(bufascii), NULL) > 0)
{
keyascii[i] = bufascii;
//printf("%s rawkey %x name %c\n", __FUNCTION__, i, bufascii);
}
else
{
keyascii[i] = 0;
}
ie.ie_Qualifier = IEQUALIFIER_LSHIFT;
if (MapRawKey(&ie, (STRPTR)&bufascii, sizeof(bufascii), NULL) > 0)
{
keyascii_shift[i] = bufascii;
//printf("%s rawkey %x shifted name %c\n", __FUNCTION__, i, bufascii);
}
else
{
keyascii_shift[i] = 0;
}
}
return 0;
}
//
// uninitinput() -- uninit input system
//
void uninitinput(void)
{
uninitmouse();
if (gameport_is_open) {
AbortIO((struct IORequest *)gameport_io);
WaitIO((struct IORequest *)gameport_io);
BYTE gameport_ct = GPCT_NOCONTROLLER;
gameport_io->io_Command = GPD_SETCTYPE;
gameport_io->io_Length = 1;
gameport_io->io_Data = &gameport_ct;
DoIO((struct IORequest *)gameport_io);
CloseDevice((struct IORequest *)gameport_io);
gameport_is_open = FALSE;
}
if (gameport_io != NULL) {
DeleteIORequest((struct IORequest *)gameport_io);
gameport_io = NULL;
}
if (gameport_mp != NULL) {
DeleteMsgPort(gameport_mp);
gameport_mp = NULL;
}
if (pointermem) {
FreeVec(pointermem);
pointermem = NULL;
}
}
const char *getkeyname(int num)
{
int i, scan;
// linear search is not the fastest, but this is only used for the key binding menu
for (i=0; i < (int)MAX_KEYCONV; i++) {
scan = keyconv[i];
if (scan != 0 && scan == num) {
return keynames[i];
}
}
return NULL;
}
static const char *llbuttonnames[15] = {
"Dbl Red",
"Dbl Blue",
"Dbl Green",
"Dbl Yellow",
"N/A\0N/A",
"N/A\0N/A",
"Dbl Play",
"N/A\0N/A",
"N/A\0N/A",
"Dbl Reverse",
"Dbl Forward",
"Dbl DPad Up",
"Dbl DPad Down",
"Dbl DPad Left",
"Dbl DPad Right"
};
static const char *psxbuttonnames[15] = {
"Dbl Cross",
"Dbl Circle",
"Dbl Square",
"Dbl Triangle",
"Dbl Select",
"N/A\0N/A",
"Dbl Start",
"Dbl L3",
"Dbl R3",
"Dbl L1",
"Dbl R1",
"Dbl DPad Up",
"Dbl DPad Down",
"Dbl DPad Left",
"Dbl DPad Right"
};
static const char *psxaxisnames[6] = {
"Left Stick X",
"Left Stick Y",
"Right Stick X",
"Right Stick Y",
"L2",
"R2",
};
const char *getjoyname(int what, int num)
{
int button, notclicked;
switch (what) {
case 0: // axis
return psxaxisnames[num];
case 1: // button
notclicked = !(num & 128);
button = num & 127;
if (button > 15) return NULL;
return (gameport_is_open ? psxbuttonnames[button] : llbuttonnames[button]) + notclicked * 4;
default:
return NULL;
}
}
//
// initmouse() -- init mouse input
//
int initmouse(void)
{
moustat=1;
grabmouse(1);
return 0;
}
//
// uninitmouse() -- uninit mouse input
//
void uninitmouse(void)
{
grabmouse(0);
moustat=0;
}
static void constrainmouse(int a)
{
if (!window) return;
if (a) {
if (pointermem && window->Pointer != pointermem) {
SetPointer(window, pointermem, 1, 1, 0, 0);
}
} else {
if (window->Pointer == pointermem) {
ClearPointer(window);
}
}
}
//
// grabmouse() -- show/hide mouse cursor
//
void grabmouse(int a)
{
if (appactive && moustat) {
if (a != mouseacquired) {
constrainmouse(a); // this can be called from the input handler
}
}
mouseacquired = a;
mousex = mousey = 0;
}
//
// readmousexy() -- return mouse motion information
//
void readmousexy(int *x, int *y)
{
if (!mouseacquired || !appactive || !moustat) { *x = *y = 0; return; }
*x = mousex;
*y = mousey;
mousex = mousey = 0;
}
//
// readmousebstatus() -- return mouse button information
//
void readmousebstatus(int *b)
{
if (!mouseacquired || !appactive || !moustat) *b = 0;
else *b = mouseb;
// clear mousewheel events - the game has them now (in *b)
// the other mousebuttons are cleared when there's a "button released"
// event, but for the mousewheel that doesn't work, as it's released immediately
mouseb &= ~(1<<4 | 1<<5);
}
//
// releaseallbuttons()
//
void releaseallbuttons(void)
{
joyb = 0;
}
//
//
// ---------------------------------------
//
// All things Timer
// Ken did this
//
// ---------------------------------------
//
//
static unsigned int timerfreq=0;
#ifndef TIMERINT
static unsigned int timerlastsample=0;
#endif
static unsigned int timerticspersec=0;
static void (*usertimercallback)(void) = NULL;
#ifdef TIMERINT
static APTR g_timerIntHandle = NULL;
#else
static struct timerequest *timerio;
static struct MsgPort *timerport;
struct Device *TimerBase;
#endif
#ifdef TIMERINT
static SAVEDS ASM void BEL_ST_TimerInterrupt(REG(a1, APTR intData))
{
totalclock++;
if (usertimercallback)
usertimercallback();
}
#endif
//
// inittimer() -- initialise timer
//
int inittimer(int tickspersecond, void(*callback)(void))
{
if (timerfreq) return 0; // already installed
buildputs("Initialising timer\n");
#ifdef TIMERINT
if ((g_timerIntHandle = AddTimerInt((APTR)BEL_ST_TimerInterrupt, NULL)))
{
ULONG timerDelay = (1000 * 1000) / tickspersecond;
timerfreq = timerticspersec = tickspersecond;
StartTimerInt(g_timerIntHandle, timerDelay, TRUE);
}
#else
if ((timerport = CreateMsgPort()))
{
if ((timerio = (struct timerequest *)CreateIORequest(timerport, sizeof(struct timerequest))))
{
if (!OpenDevice((STRPTR)TIMERNAME, UNIT_MICROHZ, (struct IORequest *)timerio, 0))
{
TimerBase = timerio->tr_node.io_Device;
timerfreq = 1000000; // usec
timerticspersec = tickspersecond;
timerlastsample = (getusecticks() * timerticspersec / timerfreq);
}
else
{
DeleteIORequest((struct IORequest *)timerio);
DeleteMsgPort(timerport);
}
}
else
{
DeleteMsgPort(timerport);
}
}
#endif
usertimercallback = callback;
return 0;
}
//
// uninittimer() -- shut down timer
//
void uninittimer(void)
{
if (!timerfreq) return;
#ifdef TIMERINT
if (g_timerIntHandle)
{
StopTimerInt(g_timerIntHandle);
RemTimerInt(g_timerIntHandle);
g_timerIntHandle = NULL;
}
#else
if (!CheckIO((struct IORequest *)timerio))
{
AbortIO((struct IORequest *)timerio);
WaitIO((struct IORequest *)timerio);
}
CloseDevice((struct IORequest *)timerio);
DeleteIORequest((struct IORequest *)timerio);
DeleteMsgPort(timerport);
TimerBase = NULL;
#endif
timerfreq=0;
}
//
// sampletimer() -- update totalclock
//
void sampletimer(void)
{