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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 <romfs.h>
#include <malloc.h> // Required for memalign
#include "osys_n64.h"
#include "pakfs_save_manager.h"
#include "framfs_save_manager.h"
#include "backends/fs/n64/n64-fs-factory.h"
extern uint8 _romfs; // Defined by linker (used to calculate position of romfs image)
inline uint16 colRGB888toBGR555(byte r, byte g, byte b);
static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
{ "320x240 (PAL) fix overscan", "340x240 PAL", OVERS_PAL_340X240 },
{ "320x240 (PAL) overscan", "320x240 PAL", NORM_PAL_320X240 },
{ "320x240 (MPAL) fix overscan", "340x240 MPAL", OVERS_MPAL_340X240 },
{ "320x240 (MPAL) overscan", "320x240 MPAL", NORM_MPAL_320X240 },
{ "340x240 (NTSC) fix overscan", "340x240 NTSC", OVERS_NTSC_340X240 },
{ "320x240 (NTSC) overscan", "320x240 NTSC", NORM_NTSC_320X240 },
{ 0, 0, 0 }
};
OSystem_N64::OSystem_N64() {
// Enable Mips interrupts
set_MI_interrupt(1);
// Initialize display: NTSC 340x240 (16 bit)
initDisplay(NTSC_340X240_16BIT);
// Prepare virtual text layer for debugging purposes
initTextLayer();
// Init PI interface
PI_Init();
// Screen size
_screenWidth = 320;
_screenHeight = 240;
// Game screen size
_gameHeight = 320;
_gameWidth = 240;
// Overlay size
_overlayWidth = 320;
_overlayHeight = 240;
// Framebuffer width
_frameBufferWidth = 340;
// Pixels to skip
_offscrPixels = 16;
// Video clock
_viClockRate = VI_NTSC_CLOCK;
// Max FPS
_maxFps = N64_NTSC_FPS;
_disableFpsLimit = false;
_overlayVisible = false;
_shakeOffset = 0;
// Allocate memory for offscreen buffers
_offscreen_hic = (uint16*)memalign(8, _screenWidth * _screenHeight * 2);
_offscreen_pal = (uint8*)memalign(8, _screenWidth * _screenHeight);
_overlayBuffer = (uint16*)memalign(8, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
_cursor_pal = NULL;
_cursor_hic = NULL;
_cursorWidth = -1;
_cursorHeight = -1;
_cursorKeycolor = -1;
_mouseHotspotX = _mouseHotspotY = -1;
// Clean offscreen buffers
memset(_offscreen_hic, 0, _screenWidth * _screenHeight * 2);
memset(_offscreen_pal, 0, _screenWidth * _screenHeight);
memset(_overlayBuffer, 0, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
// Default graphic mode
_graphicMode = OVERS_NTSC_340X240;
// Clear palette array
_screenPalette = (uint16*)memalign(8, 256 * sizeof(uint16));
memset(_screenPalette, 0, 256 * sizeof(uint16));
memset(_cursorPalette, 0, 256 * sizeof(uint16));
_dirtyPalette = false;
_cursorPaletteDisabled = false;
_audioEnabled = false;
// Initialize ROMFS access interface
initRomFSmanager((uint8*)(((uint32)&_romfs + (uint32)0xc00) | (uint32)0xB0000000));
_mouseVisible = false;
_mouseX = _overlayWidth / 2;
_mouseY = _overlayHeight / 2;
_tempMouseX = _mouseX;
_tempMouseY = _mouseY;
_mouseMaxX = _overlayWidth;
_mouseMaxY = _overlayHeight;
_savefile = 0;
_mixer = 0;
_timer = 0;
_dirtyOffscreen = false;
detectControllers();
_controllerHasRumble = (identifyPak(_controllerPort) == 2);
_fsFactory = new N64FilesystemFactory();
// Register vblank callback (this MUST be done at the END of init).
registerVIhandler(vblCallback);
}
OSystem_N64::~OSystem_N64() {
delete _savefile;
delete _mixer;
delete _timer;
delete _fsFactory;
}
void OSystem_N64::initBackend() {
ConfMan.setInt("autosave_period", 0);
ConfMan.setBool("FM_high_quality", false);
ConfMan.setBool("FM_medium_quality", true);
ConfMan.set("gui_theme", "modern"); // In case of modern theme being present, use it.
FRAM_Init();
if (FRAM_Detect()) { // Use FlashRAM
initFramFS();
_savefile = new FRAMSaveManager();
} else { // Use PakFS
// Init Controller Pak
initPakFs();
// Use the first controller pak found
uint8 ctrl_num;
for (ctrl_num = 0; ctrl_num < 4; ctrl_num++) {
int8 pak_type = identifyPak(ctrl_num);
if (pak_type == 1) {
loadPakData(ctrl_num);
break;
}
}
_savefile = new PAKSaveManager();
}
_mixer = new Audio::MixerImpl(this);
_mixer->setReady(false);
_timer = new DefaultTimerManager();
setTimerCallback(&timer_handler, 10);
setupMixer();
OSystem::initBackend();
}
bool OSystem_N64::hasFeature(Feature f) {
return (f == kFeatureCursorHasPalette);
}
void OSystem_N64::setFeatureState(Feature f, bool enable) {
return;
}
bool OSystem_N64::getFeatureState(Feature f) {
return false;
}
const OSystem::GraphicsMode* OSystem_N64::getSupportedGraphicsModes() const {
return s_supportedGraphicsModes;
}
int OSystem_N64::getDefaultGraphicsMode() const {
return OVERS_NTSC_340X240;
}
bool OSystem_N64::setGraphicsMode(const char *mode) {
int i = 0;
while (s_supportedGraphicsModes[i].name) {
if (!strcmpi(s_supportedGraphicsModes[i].name, mode)) {
_graphicMode = s_supportedGraphicsModes[i].id;
switchGraphicModeId(_graphicMode);
return true;
}
i++;
}
return true;
}
bool OSystem_N64::setGraphicsMode(int mode) {
_graphicMode = mode;
switchGraphicModeId(_graphicMode);
return true;
}
void OSystem_N64::switchGraphicModeId(int mode) {
switch (mode) {
case NORM_PAL_320X240:
disableAudioPlayback();
_viClockRate = VI_PAL_CLOCK;
_maxFps = N64_PAL_FPS;
initDisplay(PAL_320X240_16BIT);
_frameBufferWidth = 320;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 0;
_graphicMode = NORM_PAL_320X240;
enableAudioPlayback();
break;
case OVERS_PAL_340X240:
disableAudioPlayback();
_viClockRate = VI_PAL_CLOCK;
_maxFps = N64_PAL_FPS;
initDisplay(PAL_340X240_16BIT);
_frameBufferWidth = 340;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 16;
_graphicMode = OVERS_PAL_340X240;
enableAudioPlayback();
break;
case NORM_MPAL_320X240:
disableAudioPlayback();
_viClockRate = VI_MPAL_CLOCK;
_maxFps = N64_NTSC_FPS;
initDisplay(MPAL_320X240_16BIT);
_frameBufferWidth = 320;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 0;
_graphicMode = NORM_MPAL_320X240;
enableAudioPlayback();
break;
case OVERS_MPAL_340X240:
disableAudioPlayback();
_viClockRate = VI_MPAL_CLOCK;
_maxFps = N64_NTSC_FPS;
initDisplay(MPAL_340X240_16BIT);
_frameBufferWidth = 340;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 16;
_graphicMode = OVERS_MPAL_340X240;
enableAudioPlayback();
break;
case NORM_NTSC_320X240:
disableAudioPlayback();
_viClockRate = VI_NTSC_CLOCK;
_maxFps = N64_NTSC_FPS;
initDisplay(NTSC_320X240_16BIT);
_frameBufferWidth = 320;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 0;
_graphicMode = NORM_NTSC_320X240;
enableAudioPlayback();
break;
case OVERS_NTSC_340X240:
default:
disableAudioPlayback();
_viClockRate = VI_NTSC_CLOCK;
_maxFps = N64_NTSC_FPS;
initDisplay(NTSC_340X240_16BIT);
_frameBufferWidth = 340;
_screenWidth = 320;
_screenHeight = 240;
_offscrPixels = 16;
_graphicMode = OVERS_NTSC_340X240;
enableAudioPlayback();
break;
}
}
int OSystem_N64::getGraphicsMode() const {
return _graphicMode;
}
void OSystem_N64::initSize(uint width, uint height, const Graphics::PixelFormat *format) {
_gameWidth = width;
_gameHeight = height;
if (_gameWidth > _screenWidth)
_gameWidth = _screenWidth;
if (_gameHeight > _screenHeight)
_gameHeight = _screenHeight;
_mouseMaxX = _gameWidth;
_mouseMaxY = _gameHeight;
}
int16 OSystem_N64::getHeight() {
return _screenHeight;
}
int16 OSystem_N64::getWidth() {
return _screenWidth;
}
void OSystem_N64::setPalette(const byte *colors, uint start, uint num) {
for (int i = 0; i < num; ++i) {
uint8 c[4];
_screenPalette[start + i] = colRGB888toBGR555(colors[2], colors[1], colors[0]);
colors += 4;
}
// If cursor uses the game palette, we need to rebuild the hicolor buffer
if (_cursorPaletteDisabled)
rebuildOffscreenMouseBuffer();
_dirtyPalette = true;
_dirtyOffscreen = true;
}
void OSystem_N64::rebuildOffscreenGameBuffer(void) {
// Regenerate hi-color offscreen buffer
uint64 four_col_hi;
uint32 four_col_pal;
for (int h = 0; h < _gameHeight; h++) {
for (int w = 0; w < _gameWidth; w += 4) {
four_col_pal = *(uint32*)(_offscreen_pal + ((h * _screenWidth) + w));
four_col_hi = 0;
four_col_hi |= (uint64)_screenPalette[((four_col_pal >> 24) & 0xFF)] << 48;
four_col_hi |= (uint64)_screenPalette[((four_col_pal >> 16) & 0xFF)] << 32;
four_col_hi |= (uint64)_screenPalette[((four_col_pal >> 8) & 0xFF)] << 16;
four_col_hi |= (uint64)_screenPalette[((four_col_pal >> 0) & 0xFF)] << 0;
// Save the converted pixels into hicolor buffer
*(uint64*)((_offscreen_hic) + (h * _screenWidth) + w) = four_col_hi;
}
}
}
void OSystem_N64::rebuildOffscreenMouseBuffer(void) {
uint16 width, height;
uint16 *_pal_src = _cursorPaletteDisabled ? _screenPalette : _cursorPalette;
for (height = 0; height < _cursorHeight; height++) {
for (width = 0; width < _cursorWidth; width++) {
uint8 pix = _cursor_pal[(_cursorWidth * height) + width];
// Enable alpha bit in cursor buffer if pixel should be invisible
_cursor_hic[(_cursorWidth * height) + width] = (pix != _cursorKeycolor) ? _pal_src[pix] : 0x0001;
}
}
}
void OSystem_N64::grabPalette(byte *colors, uint start, uint num) {
uint32 i;
uint16 color;
for (i = start; i < start + num; i++) {
color = _screenPalette[i];
// Color format on the n64 is RGB - 1555
*colors++ = ((color & 0x1F) << 3);
*colors++ = (((color >> 5) & 0x1F) << 3);
*colors++ = (((color >> 10) & 0x1F) << 3);
*colors++ = 0;
}
return;
}
void OSystem_N64::setCursorPalette(const byte *colors, uint start, uint num) {
for (int i = 0; i < num; ++i) {
_cursorPalette[start + i] = colRGB888toBGR555(colors[2], colors[1], colors[0]);
colors += 4;
}
_cursorPaletteDisabled = false;
// Rebuild cursor hicolor buffer
rebuildOffscreenMouseBuffer();
_dirtyOffscreen = true;
}
void OSystem_N64::disableCursorPalette(bool disable) {
_cursorPaletteDisabled = disable;
// Rebuild cursor hicolor buffer
rebuildOffscreenMouseBuffer();
_dirtyOffscreen = true;
}
void OSystem_N64::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {
//Clip the coordinates
if (x < 0) {
w += x;
buf -= x;
x = 0;
}
if (y < 0) {
h += y;
buf -= y * pitch;
y = 0;
}
if (w > _screenWidth - x) {
w = _screenWidth - x;
}
if (h > _screenHeight - y) {
h = _screenHeight - y;
}
if (w <= 0 || h <= 0)
return;
uint8 *dst_pal = _offscreen_pal + ((y * _screenWidth) + x);
uint16 *dst_hicol = _offscreen_hic + ((y * _screenWidth) + x);
do {
for (int hor = 0; hor < w; hor++) {
if (dst_pal[hor] != buf[hor]) {
uint16 color = _screenPalette[buf[hor]];
dst_hicol[hor] = color; // Save image converted to 16-bit
dst_pal[hor] = buf[hor]; // Save palettized display
}
}
buf += pitch;
dst_pal += _screenWidth;
dst_hicol += _screenWidth;
} while (--h);
_dirtyOffscreen = true;
return;
}
void OSystem_N64::updateScreen() {
#ifdef LIMIT_FPS
static uint32 _lastScreenUpdate = 0;
if (!_disableFpsLimit) {
uint32 now = getMillis();
if (now - _lastScreenUpdate < 1000 / _maxFps)
return;
_lastScreenUpdate = now;
}
#endif
// Check if audio buffer needs refill
// Done here because this gets called regularly
refillAudioBuffers();
if (!_dirtyOffscreen && !_dirtyPalette) return; // The offscreen is clean
uint8 skip_lines = (_screenHeight - _gameHeight) / 4;
uint8 skip_pixels = (_screenWidth - _gameWidth) / 2; // Center horizontally the image
skip_pixels -= (skip_pixels % 8); // To keep aligned memory access
if (_dirtyPalette)
rebuildOffscreenGameBuffer();
// Obtain the framebuffer
while (!(_dc = lockDisplay()));
uint16 *overlay_framebuffer = (uint16*)_dc->conf.framebuffer; // Current screen framebuffer
uint16 *game_framebuffer = overlay_framebuffer + (_frameBufferWidth * skip_lines * 2); // Skip some lines to center the image vertically
uint16 currentHeight, currentWidth;
uint16 *tmpDst;
uint16 *tmpSrc;
// Copy the game buffer to screen
if (!_overlayVisible) {
tmpDst = game_framebuffer;
tmpSrc = _offscreen_hic + (_shakeOffset * _screenWidth);
for (currentHeight = _shakeOffset; currentHeight < _gameHeight; currentHeight++) {
uint64 *game_dest = (uint64*)(tmpDst + skip_pixels + _offscrPixels);
uint64 *game_src = (uint64*)tmpSrc;
// With uint64 we copy 4 pixels at a time
for (currentWidth = 0; currentWidth < _gameWidth; currentWidth += 4) {
*game_dest++ = *game_src++;
}
tmpDst += _frameBufferWidth;
tmpSrc += _screenWidth;
}
uint16 _clearLines = _shakeOffset; // When shaking we must take care of remaining lines to clear
while (_clearLines--) {
memset(tmpDst + skip_pixels + _offscrPixels, 0, _screenWidth * 2);
tmpDst += _frameBufferWidth;
}
} else { // If the overlay is enabled, draw it on top of game screen
tmpDst = overlay_framebuffer;
tmpSrc = _overlayBuffer;
for (currentHeight = 0; currentHeight < _overlayHeight; currentHeight++) {
uint64 *over_dest = (uint64*)(tmpDst + _offscrPixels);
uint64 *over_src = (uint64*)tmpSrc;
// Copy 4 pixels at a time
for (currentWidth = 0; currentWidth < _overlayWidth; currentWidth += 4) {
*over_dest++ = *over_src++;
}
tmpDst += _frameBufferWidth;
tmpSrc += _overlayWidth;
}
}
// Draw mouse cursor
if ((_mouseVisible || _overlayVisible) && _cursorHeight > 0 && _cursorWidth > 0) {
uint16 *mouse_framebuffer;
uint16 horiz_pix_skip;
if (_overlayVisible) {
mouse_framebuffer = overlay_framebuffer;
horiz_pix_skip = 0;
} else {
mouse_framebuffer = game_framebuffer;
horiz_pix_skip = skip_pixels;
}
int mX = _mouseX - _mouseHotspotX;
int mY = _mouseY - _mouseHotspotY;
for (int h = 0; h < _cursorHeight; h++)
for (int w = 0; w < _cursorWidth; w++) {
// Draw pixel
if (((mY + h) >= 0) && ((mY + h) < _mouseMaxY) && ((mX + w) >= 0) && ((mX + w) < _mouseMaxX)) {
uint16 cursor_pixel_hic = _cursor_hic[(h * _cursorWidth) + w];
if (!(cursor_pixel_hic & 0x00001))
mouse_framebuffer[((mY + h) * _frameBufferWidth) + ((mX + w) + _offscrPixels + horiz_pix_skip)] = cursor_pixel_hic;
}
}
}
#ifndef _ENABLE_DEBUG_
showDisplay(_dc);
#else
showDisplayAndText(_dc);
#endif
_dc = NULL;
_dirtyOffscreen = false;
_dirtyPalette = false;
return;
}
Graphics::Surface *OSystem_N64::lockScreen() {
_framebuffer.pixels = _offscreen_pal;
_framebuffer.w = _gameWidth;
_framebuffer.h = _gameHeight;
_framebuffer.pitch = _screenWidth;
_framebuffer.bytesPerPixel = 1;
return &_framebuffer;
}
void OSystem_N64::unlockScreen() {
_dirtyPalette = true;
_dirtyOffscreen = true;
}
void OSystem_N64::setShakePos(int shakeOffset) {
// If a rumble pak is plugged in and screen shakes, rumble!
if (shakeOffset && _controllerHasRumble) rumblePakEnable(1, _controllerPort);
else if (!shakeOffset && _controllerHasRumble) rumblePakEnable(0, _controllerPort);
_shakeOffset = shakeOffset;
_dirtyOffscreen = true;
return;
}
void OSystem_N64::showOverlay() {
// Change min/max mouse coords
_mouseMaxX = _overlayWidth;
_mouseMaxY = _overlayHeight;
// Relocate the mouse cursor given the new limitations
warpMouse(_mouseX, _mouseY);
_overlayVisible = true;
_dirtyOffscreen = true;
}
void OSystem_N64::hideOverlay() {
// Change min/max mouse coords
_mouseMaxX = _gameWidth;
_mouseMaxY = _gameHeight;
// Relocate the mouse cursor given the new limitations
warpMouse(_mouseX, _mouseY);
_overlayVisible = false;
// Clear double buffered display
clearAllVideoBuffers();
_dirtyOffscreen = true;
// Force TWO screen updates (because of double buffered display).
// This way games which won't automatically update the screen
// when overlay is disabled, won't show a black screen. (eg. Lure)
_disableFpsLimit = true;
updateScreen();
updateScreen();
_disableFpsLimit = false;
}
void OSystem_N64::clearOverlay() {
memset(_overlayBuffer, 0, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
uint8 skip_lines = (_screenHeight - _gameHeight) / 4;
uint8 skip_pixels = (_screenWidth - _gameWidth) / 2; // Center horizontally the image
uint16 *tmpDst = _overlayBuffer + (_overlayWidth * skip_lines * 2);
uint16 *tmpSrc = _offscreen_hic + (_shakeOffset * _screenWidth);
for (uint16 currentHeight = _shakeOffset; currentHeight < _gameHeight; currentHeight++) {
memcpy((tmpDst + skip_pixels), tmpSrc, _gameWidth * 2);
tmpDst += _overlayWidth;
tmpSrc += _screenWidth;
}
_dirtyOffscreen = true;
}
void OSystem_N64::grabOverlay(OverlayColor *buf, int pitch) {
int h = _overlayHeight;
OverlayColor *src = _overlayBuffer;
do {
memcpy(buf, src, _overlayWidth * sizeof(OverlayColor));
src += _overlayWidth;
buf += pitch;
} while (--h);
}
void OSystem_N64::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {
//Clip the coordinates
if (x < 0) {
w += x;
buf -= x;
x = 0;
}
if (y < 0) {
h += y;
buf -= y * pitch;
y = 0;
}
if (w > _overlayWidth - x) {
w = _overlayWidth - x;
}
if (h > _overlayHeight - y) {
h = _overlayHeight - y;
}
if (w <= 0 || h <= 0)
return;
OverlayColor *dst = _overlayBuffer + (y * _overlayWidth + x);
if (_overlayWidth == pitch && pitch == w) {
memcpy(dst, buf, h * w * sizeof(OverlayColor));
} else {
do {
memcpy(dst, buf, w * sizeof(OverlayColor));
buf += pitch;
dst += _overlayWidth;
} while (--h);
}
_dirtyOffscreen = true;
return;
}
int16 OSystem_N64::getOverlayHeight() {
return _overlayHeight;
}
int16 OSystem_N64::getOverlayWidth() {
return _overlayWidth;
}
bool OSystem_N64::showMouse(bool visible) {
bool last = _mouseVisible;
_mouseVisible = visible;
_dirtyOffscreen = true;
return last;
}
void OSystem_N64::warpMouse(int x, int y) {
if (x < 0)
_mouseX = 0;
else if (x >= _mouseMaxX)
_mouseX = _mouseMaxX - 1;
else
_mouseX = x;
if (y < 0)
_mouseY = 0;
else if (y >= _mouseMaxY)
_mouseY = _mouseMaxY - 1;
else
_mouseY = y;
_dirtyOffscreen = true;
}
void OSystem_N64::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format) {
if (!w || !h) return;
_mouseHotspotX = hotspotX;
_mouseHotspotY = hotspotY;
if (_cursor_pal && ((w != _cursorWidth) || (h != _cursorHeight))) {
free(_cursor_pal);
free(_cursor_hic);
_cursor_pal = NULL;
_cursor_hic = NULL;
}
if (!_cursor_pal) {
_cursor_pal = (uint8*)malloc(w * h);
_cursor_hic = (uint16*)malloc(w * h * sizeof(uint16));
}
_cursorWidth = w;
_cursorHeight = h;
memcpy(_cursor_pal, buf, w * h); // Copy the palettized cursor
_cursorKeycolor = keycolor & 0xFF;
// Regenerate cursor hicolor buffer
rebuildOffscreenMouseBuffer();
_dirtyOffscreen = true;
return;
}
uint32 OSystem_N64::getMillis() {
return getMilliTick();
}
void OSystem_N64::delayMillis(uint msecs) {
// In some cases a game might hang waiting for audio being
// played. This is a workaround for all the situations i
// found (kyra 1 & 2 DOS).
uint32 oldTime = getMilliTick();
refillAudioBuffers();
uint32 pastMillis = (getMilliTick() - oldTime);
if (pastMillis >= msecs) {
return;
} else {
delay(msecs - pastMillis);
}
}
// As we don't have multi-threading, no need for mutexes
OSystem::MutexRef OSystem_N64::createMutex(void) {
return NULL;
}
void OSystem_N64::lockMutex(MutexRef mutex) {
return;
}
void OSystem_N64::unlockMutex(MutexRef mutex) {
return;
}
void OSystem_N64::deleteMutex(MutexRef mutex) {
return;
}
void OSystem_N64::quit() {
// Not much to do...
return;
}
Common::SaveFileManager *OSystem_N64::getSavefileManager() {
assert(_savefile);
return _savefile;
}
Audio::Mixer *OSystem_N64::getMixer() {
assert(_mixer);
return _mixer;
}
Common::TimerManager *OSystem_N64::getTimerManager() {
assert(_timer);
return _timer;
}
void OSystem_N64::getTimeAndDate(TimeDate &t) const {
// No clock inside the N64
// TODO: use getMillis to provide some kind of time-counting feature?
t.tm_sec = 0;
t.tm_min = 0;
t.tm_hour = 0;
t.tm_mday = 0;
t.tm_mon = 0;
t.tm_year = 0;
return;
}
FilesystemFactory *OSystem_N64::getFilesystemFactory() {
return _fsFactory;
}
void OSystem_N64::setTimerCallback(TimerProc callback, int interval) {
if (callback != NULL) {
_timerCallbackTimer = interval;
_timerCallbackNext = getMillis() + interval;
_timerCallback = callback;
} else
_timerCallback = NULL;
}
void OSystem_N64::setupMixer(void) {
enableAudioPlayback();
}
/* Check all controller ports for a compatible input adapter. */
void OSystem_N64::detectControllers(void) {
controller_data_status *ctrl_status = (controller_data_status*)memalign(8, sizeof(controller_data_status));
controller_Read_Status(ctrl_status);
_controllerPort = 0; // Use first controller as default
_mousePort = -1; // Default no mouse
for (int8 ctrl_port = 3; ctrl_port >= 0; ctrl_port--) {
// Found a standard pad, use this by default.
if (ctrl_status->c[ctrl_port].type == CTRL_PAD_STANDARD) {
_controllerPort = ctrl_port;
} else if (ctrl_status->c[ctrl_port].type == CTRL_N64_MOUSE) {
_mousePort = ctrl_port;
}
}
free(ctrl_status);
}
inline uint16 colRGB888toBGR555(byte r, byte g, byte b) {
return ((r >> 3) << 1) | ((g >> 3) << 6) | ((b >> 3) << 11);
}
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