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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "common/scummsys.h"
#include "common/system.h"
#include "common/util.h"
#include "common/rect.h"
#include "common/savefile.h"
#include "osystem_ds.h"
#include "nds.h"
#include "dsmain.h"
#include "nds/registers_alt.h"
#include "common/config-manager.h"
#include "common/str.h"
#include "cdaudio.h"
#include "graphics/surface.h"
#include "touchkeyboard.h"
#include "backends/fs/ds/ds-fs-factory.h"
OSystem_DS* OSystem_DS::_instance = NULL;
OSystem_DS::OSystem_DS()
: eventNum(0), lastPenFrame(0), queuePos(0), _mixer(NULL), _timer(NULL), _frameBufferExists(false)
{
// eventNum = 0;
// lastPenFrame = 0;
// queuePos = 0;
_instance = this;
// _mixer = NULL;
// _timer = NULL;
//_frameBufferExists = false;
}
OSystem_DS::~OSystem_DS() {
delete _mixer;
delete _timer;
}
int OSystem_DS::timerHandler(int t) {
DSTimerManager *tm = (DSTimerManager *)g_system->getTimerManager();
tm->handler();
return t;
}
void OSystem_DS::initBackend() {
ConfMan.setInt("autosave_period", 0);
ConfMan.setBool("FM_medium_quality", true);
_mixer = new DSAudioMixer;
_timer = new DSTimerManager;
DS::setSoundProc(Audio::Mixer::mixCallback, _mixer);
DS::setTimerCallback(&OSystem_DS::timerHandler, 10);
OSystem::initBackend();
}
bool OSystem_DS::hasFeature(Feature f) {
// consolePrintf("hasfeature\n");
return (f == kFeatureVirtualKeyboard);
}
void OSystem_DS::setFeatureState(Feature f, bool enable) {
// consolePrintf("setfeature f=%d e=%d\n", f, enable);
if (f == kFeatureVirtualKeyboard) DS::setKeyboardIcon(enable);
}
bool OSystem_DS::getFeatureState(Feature f) {
// consolePrintf("getfeat\n");
if (f == kFeatureVirtualKeyboard) return DS::getKeyboardIcon();
return false;
}
const OSystem::GraphicsMode* OSystem_DS::getSupportedGraphicsModes() const {
return s_supportedGraphicsModes;
}
int OSystem_DS::getDefaultGraphicsMode() const {
return 0;
}
bool OSystem_DS::setGraphicsMode(int mode) {
return true;
}
bool OSystem_DS::setGraphicsMode(const char *name) {
// consolePrintf("Set gfx mode %s\n", name);
return true;
}
int OSystem_DS::getGraphicsMode() const {
return -1;
}
void OSystem_DS::initSize(uint width, uint height) {
// consolePrintf("Set gfx mode %d x %d\n", width, height);
DS::setGameSize(width, height);
}
int16 OSystem_DS::getHeight() {
return 200;
}
int16 OSystem_DS::getWidth() {
return 320;
}
void OSystem_DS::setPalette(const byte *colors, uint start, uint num) {
// consolePrintf("Set palette %d, %d colours\n", start, num);
//return;
if (!DS::getIsDisplayMode8Bit()) return;
for (unsigned int r = start; r < start + num; r++) {
int red = *colors;
int green = *(colors + 1);
int blue = *(colors + 2);
red >>= 3;
green >>= 3;
blue >>= 3;
// if (r != 255)
{
BG_PALETTE[r] = red | (green << 5) | (blue << 10);
if (!DS::getKeyboardEnable()) {
BG_PALETTE_SUB[r] = red | (green << 5) | (blue << 10);
}
}
// if (num == 16) consolePrintf("pal:%d r:%d g:%d b:%d\n", r, red, green, blue);
colors += 4;
}
}
bool OSystem_DS::grabRawScreen(Graphics::Surface* surf) {
surf->create(DS::getGameWidth(), DS::getGameHeight(), 1);
// Ensure we copy using 16 bit quantities due to limitation of VRAM addressing
u16* image = (u16 *) DS::get8BitBackBuffer();
for (int y = 0; y < DS::getGameHeight(); y++)
{
DC_FlushRange(image + (y << 8), DS::getGameWidth());
for (int x = 0; x < DS::getGameWidth() >> 1; x++)
{
*(((u16 *) (surf->pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[y << 8 + x];
}
}
return true;
}
void OSystem_DS::grabPalette(unsigned char *colors, uint start, uint num) {
// consolePrintf("Grabpalette");
for (unsigned int r = start; r < start + num; r++) {
*colors++ = (BG_PALETTE[r] & 0x001F) << 3;
*colors++ = (BG_PALETTE[r] & 0x03E0) >> 5 << 3;
*colors++ = (BG_PALETTE[r] & 0x7C00) >> 10 << 3;
}
}
void OSystem_DS::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {
// consolePrintf("Copy rect %d, %d %d, %d ", x, y, w, h);
if (w <= 1) return;
if (h < 0) return;
if (!DS::getIsDisplayMode8Bit()) return;
u16* bg;
s32 stride;
u16* bgSub = (u16 *) BG_GFX_SUB;
if (_frameBufferExists) {
bg = (u16 *) _framebuffer.pixels;
stride = _framebuffer.pitch;
} else {
bg = (u16 *) DS::get8BitBackBuffer();
stride = DS::get8BitBackBufferStride();
}
u16* src = (u16 *) buf;
if (DS::getKeyboardEnable()) {
for (int dy = y; dy < y + h; dy++) {
u16* dest = bg + (dy * (stride >> 1)) + (x >> 1);
DC_FlushRange(src, w << 1);
DC_FlushRange(dest, w << 1);
dmaCopyHalfWords(3, src, dest, w);
src += pitch >> 1;
}
} else {
for (int dy = y; dy < y + h; dy++) {
u16* dest1 = bg + (dy * (stride >> 1)) + (x >> 1);
u16* dest2 = bgSub + (dy << 8) + (x >> 1);
DC_FlushRange(src, w << 1);
DC_FlushRange(dest1, w << 1);
DC_FlushRange(dest2, w << 1);
dmaCopyHalfWords(3, src, dest1, w);
dmaCopyHalfWords(3, src, dest2, w);
src += pitch >> 1;
}
}
// consolePrintf("Done\n");
}
void OSystem_DS::updateScreen() {
if ((_frameBufferExists) && (DS::getIsDisplayMode8Bit()))
{
_frameBufferExists = false;
// Copy temp framebuffer back to screen
copyRectToScreen((byte *)_framebuffer.pixels, _framebuffer.pitch, 0, 0, _framebuffer.w, _framebuffer.h);
}
DS::displayMode16BitFlipBuffer();
DS::doSoundCallback();
// DS::doTimerCallback();
DS::addEventsToQueue();
}
void OSystem_DS::setShakePos(int shakeOffset) {
DS::setShakePos(shakeOffset);
}
void OSystem_DS::showOverlay () {
// consolePrintf("showovl\n");
DS::displayMode16Bit();
}
void OSystem_DS::hideOverlay () {
DS::displayMode8Bit();
}
void OSystem_DS::clearOverlay () {
memset((u16 *) DS::get16BitBackBuffer(), 0, 512 * 256 * 2);
// consolePrintf("clearovl\n");
}
void OSystem_DS::grabOverlay (OverlayColor *buf, int pitch) {
// consolePrintf("grabovl\n");
}
void OSystem_DS::copyRectToOverlay (const OverlayColor *buf, int pitch, int x, int y, int w, int h) {
u16* bg = (u16 *) DS::get16BitBackBuffer();
u16* src = (u16 *) buf;
// if (x + w > 256) w = 256 - x;
//if (x + h > 256) h = 256 - y;
// consolePrintf("Copy rect ovl %d, %d %d, %d %d\n", x, y, w, h, pitch);
for (int dy = y; dy < y + h; dy++) {
// Slow but save copy:
for (int dx = x; dx < x + w; dx++) {
*(bg + (dy * 512) + dx) = *src;
//if ((*src) != 0) consolePrintf("%d,%d: %d ", dx, dy, *src);
//consolePrintf("%d,", *src);
src++;
}
src += (pitch - w);
// Fast but broken copy: (why?)
/*
REG_IME = 0;
dmaCopy(src, bg + (dy << 9) + x, w * 2);
REG_IME = 1;
src += pitch;*/
}
// consolePrintf("Copy rect ovl done");
}
int16 OSystem_DS::getOverlayHeight() {
// consolePrintf("getovlheight\n");
return getHeight();
}
int16 OSystem_DS::getOverlayWidth() {
// consolePrintf("getovlwid\n");
return getWidth();
}
bool OSystem_DS::showMouse(bool visible) {
DS::setShowCursor(visible);
return true;
}
void OSystem_DS::warpMouse(int x, int y) {
}
void OSystem_DS::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int targetCursorScale) {
DS::setCursorIcon(buf, w, h, keycolor, hotspotX, hotspotY);
}
void OSystem_DS::addEvent(Common::Event& e) {
eventQueue[queuePos++] = e;
}
bool OSystem_DS::pollEvent(Common::Event &event) {
if (lastPenFrame != DS::getMillis()) {
if (eventNum == queuePos) {
eventNum = 0;
queuePos = 0;
// Bodge - this last event seems to be processed sometimes and not others.
// So we make it something harmless which won't cause any adverse effects.
event.type = Common::EVENT_KEYUP;
event.kbd.ascii = 0;
event.kbd.keycode = Common::KEYCODE_INVALID;
event.kbd.flags = 0;
// consolePrintf("type: %d\n", event.type);
return false;
} else {
event = eventQueue[eventNum++];
// consolePrintf("type: %d\n", event.type);
return true;
}
}
return false;
/* if (lastPenFrame != DS::getMillis()) {
if ((eventNum == 0)) {
event.type = Common::EVENT_MOUSEMOVE;
event.mouse = Common::Point(DS::getPenX(), DS::getPenY());
eventNum = 1;
return true;
}
if (eventNum == 1) {
eventNum = 0;
lastPenFrame = DS::getMillis();
if (DS::getPenDown()) {
event.type = Common::EVENT_LBUTTONDOWN;
event.mouse = Common::Point(DS::getPenX(), DS::getPenY());
consolePrintf("Down %d, %d ", event.mouse.x, event.mouse.y);
return true;
} else if (DS::getPenReleased()) {
event.type = Common::EVENT_LBUTTONUP;
event.mouse = Common::Point(DS::getPenX(), DS::getPenY());
consolePrintf("Up %d, %d ", event.mouse.x, event.mouse.y);
return true;
} else {
return false;
}
}
}*/
return false;
}
uint32 OSystem_DS::getMillis() {
return DS::getMillis();
}
void OSystem_DS::delayMillis(uint msecs) {
int st = getMillis();
DS::addEventsToQueue();
DS::CD::update();
DS::doSoundCallback();
while (st + msecs >= getMillis()) {
DS::doSoundCallback();
}
DS::doTimerCallback();
DS::checkSleepMode();
DS::addEventsToQueue();
}
void OSystem_DS::getTimeAndDate(struct tm &t) const {
time_t curTime = time(0);
t = *localtime(&curTime);
}
FilesystemFactory *OSystem_DS::getFilesystemFactory() {
return &DSFilesystemFactory::instance();
}
OSystem::MutexRef OSystem_DS::createMutex(void) {
return NULL;
}
void OSystem_DS::lockMutex(MutexRef mutex) {
}
void OSystem_DS::unlockMutex(MutexRef mutex) {
}
void OSystem_DS::deleteMutex(MutexRef mutex) {
}
void OSystem_DS::clearSoundCallback() {
// consolePrintf("Clearing sound callback");
// DS::setSoundProc(NULL, NULL);
}
int OSystem_DS::getOutputSampleRate() const
{
return DS::getSoundFrequency();
}
bool OSystem_DS::openCD(int drive) {
return DS::CD::checkCD();
}
bool OSystem_DS::pollCD() {
return DS::CD::isPlaying();
}
void OSystem_DS::playCD(int track, int num_loops, int start_frame, int duration) {
DS::CD::playTrack(track, num_loops, start_frame, duration);
}
void OSystem_DS::stopCD() {
DS::CD::stopTrack();
}
void OSystem_DS::updateCD()
{
}
void OSystem_DS::quit() {
/* consolePrintf("Soft resetting...");
IPC->reset = 1;
REG_IE = 0;
asm("swi 0x26\n");
swiSoftReset();*/
}
void OSystem_DS::setWindowCaption(const char *caption) {
}
void OSystem_DS::displayMessageOnOSD(const char *msg) {
}
Common::SaveFileManager* OSystem_DS::getSavefileManager() {
bool forceSram;
if (ConfMan.hasKey("forcesramsave", "ds")) {
forceSram = ConfMan.getBool("forcesramsave", "ds");
} else {
forceSram = false;
}
if (forceSram) {
consolePrintf("Using SRAM save method!\n");
}
if (DS::isGBAMPAvailable() && (!forceSram)) {
return &mpSaveManager;
} else {
return &saveManager;
}
}
Graphics::Surface* OSystem_DS::createTempFrameBuffer() {
// Ensure we copy using 16 bit quantities due to limitation of VRAM addressing
// If the scaler is enabled, we can just return the 8 bit back buffer, since it's in system memory
// memory anyway. Otherwise, we need to copy the back buffer into the memory normally used by the scaler buffer and
// then return it.
// We must make sure that once the frame buffer is created, future calls to copyRectToScreen() copy to this buffer
if (DS::isCpuScalerEnabled()) {
_framebuffer.pixels = DS::getScalerBuffer();
_framebuffer.w = DS::getGameWidth();
_framebuffer.h = DS::getGameHeight();
_framebuffer.pitch = DS::getGameWidth();
_framebuffer.bytesPerPixel = 1;
} else {
s32 height = DS::getGameHeight();
s32 width = DS::getGameWidth();
s32 stride = DS::get8BitBackBufferStride();
u16* src = DS::get8BitBackBuffer();
u16* dest = DS::getScalerBuffer();
for (int y = 0; y < height; y++) {
u16* destLine = dest + (y * (width / 2));
u16* srcLine = src + (y * (stride / 2));
DC_FlushRange(srcLine, width);
dmaCopyHalfWords(3, srcLine, destLine, width);
}
_framebuffer.pixels = dest;
_framebuffer.w = width;
_framebuffer.h = height;
_framebuffer.pitch = width;
_framebuffer.bytesPerPixel = 1;
}
_frameBufferExists = true;
/*
size_t imageStrideInBytes = DS::get8BitBackBufferStride();
size_t imageStrideInWords = imageStrideInBytes / 2;
u16* image = (u16 *) DS::get8BitBackBuffer();
for (int y = 0; y < DS::getGameHeight(); y++) {
DC_FlushRange(image + (y * imageStrideInWords), DS::getGameWidth());
for (int x = 0; x < DS::getGameWidth() >> 1; x++) {
*(((u16 *) (_framebuffer.pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[(y * imageStrideInWords) + x];
// *(((u16 *) (surf->pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[y * imageStrideInWords + x];
}
}*/
return &_framebuffer;
}
Graphics::Surface *OSystem_DS::lockScreen() {
if (!_frameBufferExists) {
createTempFrameBuffer();
}
return &_framebuffer;
}
void OSystem_DS::unlockScreen() {
// No need to do anything here. The screen will be updated in updateScreen().
}
void OSystem_DS::setFocusRectangle(const Common::Rect& rect) {
DS::setTalkPos(rect.left + rect.width() / 2, rect.top + rect.height() / 2);
}
void OSystem_DS::clearFocusRectangle() {
}
void OSystem_DS::addAutoComplete(const char *word) {
DS::addAutoComplete((char *) word);
}
void OSystem_DS::clearAutoComplete() {
DS::clearAutoComplete();
}
void OSystem_DS::setCharactersEntered(int count) {
DS::setCharactersEntered(count);
}
OSystem *OSystem_DS_create() {
return new OSystem_DS();
}
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