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-rw-r--r--engines/cge/vga13h.cpp1034
1 files changed, 1034 insertions, 0 deletions
diff --git a/engines/cge/vga13h.cpp b/engines/cge/vga13h.cpp
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index 0000000000..8213a1bcf3
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+++ b/engines/cge/vga13h.cpp
@@ -0,0 +1,1034 @@
+/* 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.
+ *
+ */
+
+/*
+ * This code is based on original Soltys source code
+ * Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
+ */
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "graphics/palette.h"
+#include "cge/general.h"
+#include "cge/vga13h.h"
+#include "cge/bitmap.h"
+#include "cge/vol.h"
+#include "cge/text.h"
+#include "cge/cge_main.h"
+#include "cge/cge.h"
+
+namespace CGE {
+
+Seq *getConstantSeq(bool seqFlag) {
+ const Seq seq1[] = { { 0, 0, 0, 0, 0 } };
+ const Seq seq2[] = { { 0, 1, 0, 0, 0 }, { 1, 0, 0, 0, 0 } };
+
+ Seq *seq;
+ if (seqFlag) {
+ seq = (Seq *)malloc(1 * sizeof(Seq));
+ *seq = seq1[0];
+ } else {
+ seq = (Seq *)malloc(2 * sizeof(Seq));
+ seq[0] = seq2[0];
+ seq[1] = seq2[1];
+ }
+
+ return seq;
+}
+
+extern "C" void SNDMIDIPlay();
+
+Dac mkDac(uint8 r, uint8 g, uint8 b) {
+ static Dac x;
+ x._r = r;
+ x._g = g;
+ x._b = b;
+ return x;
+}
+
+Sprite *locate(int ref) {
+ Sprite *spr = _vga->_showQ->locate(ref);
+ return (spr) ? spr : _vga->_spareQ->locate(ref);
+}
+
+Sprite::Sprite(CGEEngine *vm, BitmapPtr *shpP)
+ : _x(0), _y(0), _z(0), _nearPtr(0), _takePtr(0),
+ _next(NULL), _prev(NULL), _seqPtr(kNoSeq), _time(0),
+ _ext(NULL), _ref(-1), _cave(0), _vm(vm) {
+ memset(_file, 0, sizeof(_file));
+ *((uint16 *)&_flags) = 0;
+ _ref = 0;
+ _x = _y = 0;
+ _w = _h = 0;
+ _time = 0;
+ _seqPtr = 0;
+ _shpCnt = 0;
+ _prev = _next = NULL;
+
+ setShapeList(shpP);
+}
+
+Sprite::~Sprite() {
+ if (_sprite == this)
+ _sprite = NULL;
+
+ contract();
+}
+
+BitmapPtr Sprite::shp() {
+ SprExt *e = _ext;
+ if (!e || !e->_seq)
+ return NULL;
+
+ int i = e->_seq[_seqPtr]._now;
+ if (i >= _shpCnt) {
+ //char s[256];
+ //sprintf(s, "Seq=%p ShpCnt=%d SeqPtr=%d Now=%d Next=%d",
+ // Seq, ShpCnt, SeqPtr, Seq[SeqPtr].Now, Seq[SeqPtr].Next);
+ //VGA::Exit(s, File);
+ error("Invalid PHASE in SPRITE::Shp() %s", _file);
+ }
+ return e->_shpList[i];
+}
+
+BitmapPtr *Sprite::setShapeList(BitmapPtr *shpP) {
+ BitmapPtr *r = (_ext) ? _ext->_shpList : NULL;
+
+ _shpCnt = 0;
+ _w = 0;
+ _h = 0;
+
+ if (shpP) {
+ BitmapPtr *p;
+ for (p = shpP; *p; p++) {
+ BitmapPtr b = (*p); // ->Code();
+ if (b->_w > _w)
+ _w = b->_w;
+ if (b->_h > _h)
+ _h = b->_h;
+ _shpCnt++;
+ }
+ expand();
+ _ext->_shpList = shpP;
+ _flags._bDel = true;
+ if (!_ext->_seq)
+ setSeq(getConstantSeq(_shpCnt < 2));
+ }
+ return r;
+}
+
+void Sprite::moveShapes(uint8 *buf) {
+ BitmapPtr *p;
+ for (p = _ext->_shpList; *p; p++) {
+ buf += (*p)->moveVmap(buf);
+ }
+}
+
+bool Sprite::works(Sprite *spr) {
+ if (!spr || !spr->_ext)
+ return false;
+
+ Snail::Com *c = spr->_ext->_take;
+ if (c != NULL) {
+ c += spr->_takePtr;
+ if (c->_ref == _ref)
+ if (c->_com != kSnLabel || (c->_val == 0 || c->_val == _vm->_now))
+ return true;
+ }
+
+ return false;
+}
+
+Seq *Sprite::setSeq(Seq *seq) {
+ if (_ext) {
+ free(_ext->_seq);
+ _ext->_seq = NULL;
+ }
+
+ expand();
+
+ Seq *s = _ext->_seq;
+ _ext->_seq = seq;
+ if (_seqPtr == kNoSeq)
+ step(0);
+ else if (_time == 0)
+ step(_seqPtr);
+ return s;
+}
+
+bool Sprite::seqTest(int n) {
+ if (n >= 0)
+ return (_seqPtr == n);
+ if (_ext)
+ return (_ext->_seq[_seqPtr]._next == _seqPtr);
+ return true;
+}
+
+Snail::Com *Sprite::snList(SnList type) {
+ SprExt *e = _ext;
+ if (e)
+ return (type == kNear) ? e->_near : e->_take;
+ return NULL;
+}
+
+void Sprite::setName(char *newName) {
+ if (!_ext)
+ return;
+
+ if (_ext->_name) {
+ delete[] _ext->_name;
+ _ext->_name = NULL;
+ }
+ if (newName) {
+ _ext->_name = new char[strlen(newName) + 1];
+ assert(_ext->_name != NULL);
+ strcpy(_ext->_name, newName);
+ }
+}
+
+Sprite *Sprite::expand() {
+ if (_ext)
+ return this;
+
+ _ext = new SprExt;
+ assert(_ext != NULL);
+ if (!*_file)
+ return this;
+
+ static const char *Comd[] = { "Name", "Phase", "Seq", "Near", "Take", NULL };
+ char line[kLineMax], fname[kPathMax];
+
+ Common::Array<BitmapPtr> shplist;
+ for (int i = 0; i < _shpCnt + 1; ++i)
+ shplist.push_back(NULL);
+
+ Seq *seq = NULL;
+ int shpcnt = 0,
+ seqcnt = 0,
+ neacnt = 0,
+ takcnt = 0,
+ maxnow = 0,
+ maxnxt = 0;
+
+ Snail::Com *nea = NULL;
+ Snail::Com *tak = NULL;
+ mergeExt(fname, _file, kSprExt);
+ if (INI_FILE::exist(fname)) { // sprite description file exist
+ INI_FILE sprf(fname);
+ if (!(sprf._error==0))
+ error("Bad SPR [%s]", fname);
+ int len = 0, lcnt = 0;
+ while ((len = sprf.read((uint8 *)line)) != 0) {
+ lcnt++;
+ if (len && line[len - 1] == '\n')
+ line[--len] = '\0';
+ if (len == 0 || *line == '.')
+ continue;
+
+ Snail::Com *c;
+ switch (takeEnum(Comd, strtok(line, " =\t"))) {
+ case 0:
+ // Name
+ setName(strtok(NULL, ""));
+ break;
+ case 1:
+ // Phase
+ // In case the shape index gets too high, increase the array size
+ while ((shpcnt + 1) >= (int)shplist.size()) {
+ shplist.push_back(NULL);
+ ++_shpCnt;
+ }
+ shplist[shpcnt++] = new Bitmap(strtok(NULL, " \t,;/"));
+ break;
+ case 2:
+ // Seq
+ seq = (Seq *) realloc(seq, (seqcnt + 1) * sizeof(*seq));
+ assert(seq != NULL);
+ Seq *s;
+ s = &seq[seqcnt++];
+ s->_now = atoi(strtok(NULL, " \t,;/"));
+ if (s->_now > maxnow)
+ maxnow = s->_now;
+ s->_next = atoi(strtok(NULL, " \t,;/"));
+ switch (s->_next) {
+ case 0xFF:
+ s->_next = seqcnt;
+ break;
+ case 0xFE:
+ s->_next = seqcnt - 1;
+ break;
+ }
+ if (s->_next > maxnxt)
+ maxnxt = s->_next;
+ s->_dx = atoi(strtok(NULL, " \t,;/"));
+ s->_dy = atoi(strtok(NULL, " \t,;/"));
+ s->_dly = atoi(strtok(NULL, " \t,;/"));
+ break;
+ case 3:
+ // Near
+ if (_nearPtr == kNoPtr)
+ break;
+ nea = (Snail::Com *) realloc(nea, (neacnt + 1) * sizeof(*nea));
+ assert(nea != NULL);
+ c = &nea[neacnt++];
+ if ((c->_com = (SnCom)takeEnum(Snail::_comText, strtok(NULL, " \t,;/"))) < 0)
+ error("Bad NEAR in %d [%s]", lcnt, fname);
+ c->_ref = atoi(strtok(NULL, " \t,;/"));
+ c->_val = atoi(strtok(NULL, " \t,;/"));
+ c->_ptr = NULL;
+ break;
+ case 4:
+ // Take
+ if (_takePtr == kNoPtr)
+ break;
+ tak = (Snail::Com *) realloc(tak, (takcnt + 1) * sizeof(*tak));
+ assert(tak != NULL);
+ c = &tak[takcnt++];
+ if ((c->_com = (SnCom)takeEnum(Snail::_comText, strtok(NULL, " \t,;/"))) < 0)
+ error("Bad NEAR in %d [%s]", lcnt, fname);
+ c->_ref = atoi(strtok(NULL, " \t,;/"));
+ c->_val = atoi(strtok(NULL, " \t,;/"));
+ c->_ptr = NULL;
+ break;
+ }
+ }
+ } else {
+ // no sprite description: try to read immediately from .BMP
+ shplist[shpcnt++] = new Bitmap(_file);
+ }
+
+ shplist[shpcnt] = NULL;
+ if (seq) {
+ if (maxnow >= shpcnt)
+ error("Bad PHASE in SEQ [%s]", fname);
+ if (maxnxt >= seqcnt)
+ error("Bad JUMP in SEQ [%s]", fname);
+ setSeq(seq);
+ } else
+ setSeq(getConstantSeq(_shpCnt == 1));
+
+ // Set the shape list
+ BitmapPtr *shapeList = new BitmapPtr[shplist.size()];
+ for (uint i = 0; i < shplist.size(); ++i)
+ shapeList[i] = shplist[i];
+
+ setShapeList(shapeList);
+
+ if (nea)
+ nea[neacnt - 1]._ptr = _ext->_near = nea;
+ else
+ _nearPtr = kNoPtr;
+ if (tak)
+ tak[takcnt - 1]._ptr = _ext->_take = tak;
+ else
+ _takePtr = kNoPtr;
+
+ return this;
+}
+
+Sprite *Sprite::contract() {
+ SprExt *e = _ext;
+ if (!e)
+ return this;
+
+ if (e->_name)
+ delete[] e->_name;
+ if (_flags._bDel && e->_shpList) {
+ for (int i = 0; e->_shpList[i]; i++)
+ delete e->_shpList[i];
+ delete[] e->_shpList;
+ }
+
+ free(e->_seq);
+ free(e->_near);
+ free(e->_take);
+
+ delete e;
+ _ext = NULL;
+
+ return this;
+}
+
+Sprite *Sprite::backShow(bool fast) {
+ expand();
+ show(2);
+ show(1);
+ if (fast)
+ show(0);
+ contract();
+ return this;
+}
+
+void Sprite::step(int nr) {
+ if (nr >= 0)
+ _seqPtr = nr;
+ if (_ext) {
+ Seq *seq;
+ if (nr < 0)
+ _seqPtr = _ext->_seq[_seqPtr]._next;
+ seq = _ext->_seq + _seqPtr;
+ if (seq->_dly >= 0) {
+ gotoxy(_x + (seq->_dx), _y + (seq->_dy));
+ _time = seq->_dly;
+ }
+ }
+}
+
+void Sprite::tick() {
+ step();
+}
+
+void Sprite::makeXlat(uint8 *x) {
+ if (!_ext)
+ return;
+
+ if (_flags._xlat)
+ killXlat();
+ for (BitmapPtr *b = _ext->_shpList; *b; b++)
+ (*b)->_m = x;
+ _flags._xlat = true;
+}
+
+void Sprite::killXlat() {
+ if (!_flags._xlat || !_ext)
+ return;
+
+ uint8 *m = (*_ext->_shpList)->_m;
+ free(m);
+
+ for (BitmapPtr *b = _ext->_shpList; *b; b++)
+ (*b)->_m = NULL;
+ _flags._xlat = false;
+}
+
+void Sprite::gotoxy(int x, int y) {
+ int xo = _x, yo = _y;
+ if (_x < kScrWidth) {
+ if (x < 0)
+ x = 0;
+ if (x + _w > kScrWidth)
+ x = (kScrWidth - _w);
+ _x = x;
+ }
+ if (_h < kScrHeight) {
+ if (y < 0)
+ y = 0;
+ if (y + _h > kScrHeight)
+ y = (kScrHeight - _h);
+ _y = y;
+ }
+ if (_next)
+ if (_next->_flags._slav)
+ _next->gotoxy(_next->_x - xo + _x, _next->_y - yo + _y);
+ if (_flags._shad)
+ _prev->gotoxy(_prev->_x - xo + _x, _prev->_y - yo + _y);
+}
+
+void Sprite::center() {
+ gotoxy((kScrWidth - _w) / 2, (kScrHeight - _h) / 2);
+}
+
+void Sprite::show() {
+ SprExt *e;
+// asm cli // critic section...
+ e = _ext;
+ e->_x0 = e->_x1;
+ e->_y0 = e->_y1;
+ e->_b0 = e->_b1;
+ e->_x1 = _x;
+ e->_y1 = _y;
+ e->_b1 = shp();
+// asm sti // ...done!
+ if (!_flags._hide) {
+ if (_flags._xlat)
+ e->_b1->xShow(e->_x1, e->_y1);
+ else
+ e->_b1->show(e->_x1, e->_y1);
+ }
+}
+
+void Sprite::show(uint16 pg) {
+ Graphics::Surface *a = Vga::_page[1];
+ Vga::_page[1] = Vga::_page[pg & 3];
+ shp()->show(_x, _y);
+ Vga::_page[1] = a;
+}
+
+void Sprite::hide() {
+ SprExt *e = _ext;
+ if (e->_b0)
+ e->_b0->hide(e->_x0, e->_y0);
+}
+
+BitmapPtr Sprite::ghost() {
+ SprExt *e = _ext;
+ if (!e->_b1)
+ return NULL;
+
+ BitmapPtr bmp = new Bitmap(0, 0, (uint8 *)NULL);
+ assert(bmp != NULL);
+ bmp->_w = e->_b1->_w;
+ bmp->_h = e->_b1->_h;
+ bmp->_b = new HideDesc[bmp->_h];
+ assert(bmp->_b != NULL);
+ bmp->_v = (uint8 *) memcpy(bmp->_b, e->_b1->_b, sizeof(HideDesc) * bmp->_h);
+ bmp->_map = (e->_y1 << 16) + e->_x1;
+ return bmp;
+}
+
+void Sprite::sync(Common::Serializer &s) {
+ uint16 unused = 0;
+
+ s.syncAsUint16LE(unused);
+ s.syncAsUint16LE(unused); // _ext
+ s.syncAsUint16LE(_ref);
+ s.syncAsByte(_cave);
+
+ // bitfield in-memory storage is unpredictable, so to avoid
+ // any issues, pack/unpack everything manually
+ uint16 flags = 0;
+ if (s.isLoading()) {
+ s.syncAsUint16LE(flags);
+ _flags._hide = flags & 0x0001 ? true : false;
+ _flags._near = flags & 0x0002 ? true : false;
+ _flags._drag = flags & 0x0004 ? true : false;
+ _flags._hold = flags & 0x0008 ? true : false;
+ _flags._____ = flags & 0x0010 ? true : false;
+ _flags._slav = flags & 0x0020 ? true : false;
+ _flags._syst = flags & 0x0040 ? true : false;
+ _flags._kill = flags & 0x0080 ? true : false;
+ _flags._xlat = flags & 0x0100 ? true : false;
+ _flags._port = flags & 0x0200 ? true : false;
+ _flags._kept = flags & 0x0400 ? true : false;
+ _flags._east = flags & 0x0800 ? true : false;
+ _flags._shad = flags & 0x1000 ? true : false;
+ _flags._back = flags & 0x2000 ? true : false;
+ _flags._bDel = flags & 0x4000 ? true : false;
+ _flags._tran = flags & 0x8000 ? true : false;
+ } else {
+ flags = (flags << 1) | _flags._tran;
+ flags = (flags << 1) | _flags._bDel;
+ flags = (flags << 1) | _flags._back;
+ flags = (flags << 1) | _flags._shad;
+ flags = (flags << 1) | _flags._east;
+ flags = (flags << 1) | _flags._kept;
+ flags = (flags << 1) | _flags._port;
+ flags = (flags << 1) | _flags._xlat;
+ flags = (flags << 1) | _flags._kill;
+ flags = (flags << 1) | _flags._syst;
+ flags = (flags << 1) | _flags._slav;
+ flags = (flags << 1) | _flags._____;
+ flags = (flags << 1) | _flags._hold;
+ flags = (flags << 1) | _flags._drag;
+ flags = (flags << 1) | _flags._near;
+ flags = (flags << 1) | _flags._hide;
+ s.syncAsUint16LE(flags);
+ }
+
+ s.syncAsUint16LE(_x);
+ s.syncAsUint16LE(_y);
+ s.syncAsByte(_z);
+ s.syncAsUint16LE(_w);
+ s.syncAsUint16LE(_h);
+ s.syncAsUint16LE(_time);
+ s.syncAsByte(_nearPtr);
+ s.syncAsByte(_takePtr);
+ s.syncAsSint16LE(_seqPtr);
+ s.syncAsUint16LE(_shpCnt);
+ s.syncBytes((byte *)&_file[0], 9);
+ _file[8] = '\0';
+
+ s.syncAsUint16LE(unused); // _prev
+ s.syncAsUint16LE(unused); // _next
+}
+
+Sprite *spriteAt(int x, int y) {
+ Sprite *spr = NULL, * tail = _vga->_showQ->last();
+ if (tail) {
+ for (spr = tail->_prev; spr; spr = spr->_prev) {
+ if (! spr->_flags._hide && ! spr->_flags._tran) {
+ if (spr->shp()->solidAt(x - spr->_x, y - spr->_y))
+ break;
+ }
+ }
+ }
+ return spr;
+}
+
+Queue::Queue(bool show) : _head(NULL), _tail(NULL), _show(show) {
+}
+
+Queue::~Queue() {
+ clear();
+}
+
+void Queue::clear() {
+ while (_head) {
+ Sprite *s = remove(_head);
+ if (s->_flags._kill)
+ delete s;
+ }
+}
+
+void Queue::forAll(void (*fun)(Sprite *)) {
+ Sprite *s = _head;
+ while (s) {
+ Sprite *n = s->_next;
+ fun(s);
+ s = n;
+ }
+}
+
+void Queue::append(Sprite *spr) {
+ if (_tail) {
+ spr->_prev = _tail;
+ _tail->_next = spr;
+ } else
+ _head = spr;
+ _tail = spr;
+ if (_show)
+ spr->expand();
+ else
+ spr->contract();
+}
+
+void Queue::insert(Sprite *spr, Sprite *nxt) {
+ if (nxt == _head) {
+ spr->_next = _head;
+ _head = spr;
+ if (!_tail)
+ _tail = spr;
+ } else {
+ assert(nxt);
+ spr->_next = nxt;
+ spr->_prev = nxt->_prev;
+ if (spr->_prev)
+ spr->_prev->_next = spr;
+ }
+ if (spr->_next)
+ spr->_next->_prev = spr;
+ if (_show)
+ spr->expand();
+ else
+ spr->contract();
+}
+
+void Queue::insert(Sprite *spr) {
+ Sprite *s;
+ for (s = _head; s; s = s->_next)
+ if (s->_z > spr->_z)
+ break;
+ if (s)
+ insert(spr, s);
+ else
+ append(spr);
+ if (_show)
+ spr->expand();
+ else
+ spr->contract();
+}
+
+template<typename T>
+inline bool contains(const Common::List<T> &l, const T &v) {
+ return (Common::find(l.begin(), l.end(), v) != l.end());
+}
+
+Sprite *Queue::remove(Sprite *spr) {
+ if (spr == _head)
+ _head = spr->_next;
+ if (spr == _tail)
+ _tail = spr->_prev;
+ if (spr->_next)
+ spr->_next->_prev = spr->_prev;
+ if (spr->_prev)
+ spr->_prev->_next = spr->_next;
+ spr->_prev = NULL;
+ spr->_next = NULL;
+ return spr;
+}
+
+Sprite *Queue::locate(int ref) {
+ for (Sprite *spr = _head; spr; spr = spr->_next) {
+ if (spr->_ref == ref)
+ return spr;
+ }
+ return NULL;
+}
+
+//extern const char Copr[];
+Graphics::Surface *Vga::_page[4];
+Dac *Vga::_sysPal;
+
+void Vga::init() {
+ for (int idx = 0; idx < 4; idx++) {
+ _page[idx] = new Graphics::Surface();
+ _page[idx]->create(320, 200, Graphics::PixelFormat::createFormatCLUT8());
+ }
+
+ _sysPal = new Dac[kPalCount];
+}
+
+void Vga::deinit() {
+ for (int idx = 0; idx < 4; idx++) {
+ _page[idx]->free();
+ delete _page[idx];
+ }
+ delete[] _sysPal;
+}
+
+Vga::Vga()
+ : _frmCnt(0), _msg(NULL), _name(NULL), _setPal(false), _mono(0) {
+ _oldColors = NULL;
+ _newColors = NULL;
+ _showQ = new Queue(true);
+ _spareQ = new Queue(false);
+
+ bool std = true;
+ for (int i = 10; i < 20; i++) {
+ char *text = _text->getText(i);
+ if (text) {
+ debugN(1, "%s\n", text);
+ std = false;
+ }
+ }
+ if (std)
+// warning(Copr);
+ warning("TODO: Fix Copr");
+
+ _oldColors = (Dac *) malloc(sizeof(Dac) * kPalCount);
+ _newColors = (Dac *) malloc(sizeof(Dac) * kPalCount);
+ getColors(_oldColors);
+ sunset();
+ setColors();
+ clear(0);
+}
+
+Vga::~Vga() {
+ _mono = 0;
+
+ Common::String buffer = "";
+/*
+ clear(0);
+ setMode(_oldMode);
+ setColors();
+ restoreScreen(_oldScreen);
+ sunrise(_oldColors);
+*/
+ free(_oldColors);
+ free(_newColors);
+ if (_msg)
+ buffer = Common::String(_msg);
+ if (_name)
+ buffer = buffer + " [" + _name + "]";
+
+ debugN("%s", buffer.c_str());
+
+ delete _showQ;
+ delete _spareQ;
+}
+
+void Vga::waitVR() {
+ // Since some of the game parts rely on using vertical sync as a delay mechanism,
+ // we're introducing a short delay to simulate it
+ g_system->delayMillis(5);
+}
+
+void Vga::getColors(Dac *tab) {
+ byte palData[kPalSize];
+ g_system->getPaletteManager()->grabPalette(palData, 0, kPalCount);
+ palToDac(palData, tab);
+}
+
+void Vga::palToDac(const byte *palData, Dac *tab) {
+ const byte *colP = palData;
+ for (int idx = 0; idx < kPalCount; idx++, colP += 3) {
+ tab[idx]._r = *colP >> 2;
+ tab[idx]._g = *(colP + 1) >> 2;
+ tab[idx]._b = *(colP + 2) >> 2;
+ }
+}
+
+void Vga::dacToPal(const Dac *tab, byte *palData) {
+ for (int idx = 0; idx < kPalCount; idx++, palData += 3) {
+ *palData = tab[idx]._r << 2;
+ *(palData + 1) = tab[idx]._g << 2;
+ *(palData + 2) = tab[idx]._b << 2;
+ }
+}
+
+void Vga::setColors(Dac *tab, int lum) {
+ Dac *palP = tab, *destP = _newColors;
+ for (int idx = 0; idx < kPalCount; idx++, palP++, destP++) {
+ destP->_r = (palP->_r * lum) >> 6;
+ destP->_g = (palP->_g * lum) >> 6;
+ destP->_b = (palP->_b * lum) >> 6;
+ }
+
+ if (_mono) {
+ destP = _newColors;
+ for (int idx = 0; idx < kPalCount; idx++, destP++) {
+ // Form a greyscalce colour from 30% R, 59% G, 11% B
+ uint8 intensity = (((int)destP->_r * 77) + ((int)destP->_g * 151) + ((int)destP->_b * 28)) >> 8;
+ destP->_r = intensity;
+ destP->_g = intensity;
+ destP->_b = intensity;
+ }
+ }
+
+ _setPal = true;
+}
+
+void Vga::setColors() {
+ memset(_newColors, 0, kPalSize);
+ updateColors();
+}
+
+void Vga::sunrise(Dac *tab) {
+ for (int i = 0; i <= 64; i += kFadeStep) {
+ setColors(tab, i);
+ waitVR();
+ updateColors();
+ }
+}
+
+void Vga::sunset() {
+ Dac tab[256];
+ getColors(tab);
+ for (int i = 64; i >= 0; i -= kFadeStep) {
+ setColors(tab, i);
+ waitVR();
+ updateColors();
+ }
+}
+
+void Vga::show() {
+ for (Sprite *spr = _showQ->first(); spr; spr = spr->_next)
+ spr->show();
+ update();
+ for (Sprite *spr = _showQ->first(); spr; spr = spr->_next)
+ spr->hide();
+
+ _frmCnt++;
+}
+
+void Vga::updateColors() {
+ byte palData[kPalSize];
+ dacToPal(_newColors, palData);
+ g_system->getPaletteManager()->setPalette(palData, 0, 256);
+}
+
+void Vga::update() {
+ SWAP(Vga::_page[0], Vga::_page[1]);
+
+ if (_setPal) {
+ updateColors();
+ _setPal = false;
+ }
+
+ g_system->copyRectToScreen((const byte *)Vga::_page[0]->getBasePtr(0, 0), kScrWidth, 0, 0, kScrWidth, kScrHeight);
+ g_system->updateScreen();
+}
+
+void Vga::clear(uint8 color) {
+ for (int paneNum = 0; paneNum < 4; paneNum++)
+ _page[paneNum]->fillRect(Common::Rect(0, 0, kScrWidth, kScrHeight), color);
+}
+
+void Vga::copyPage(uint16 d, uint16 s) {
+ _page[d]->copyFrom(*_page[s]);
+}
+
+//--------------------------------------------------------------------------
+
+void Bitmap::xShow(int16 x, int16 y) {
+ debugC(4, kCGEDebugBitmap, "Bitmap::xShow(%d, %d)", x, y);
+
+ const byte *srcP = (const byte *)_v;
+ byte *destEndP = (byte *)Vga::_page[1]->pixels + (kScrWidth * kScrHeight);
+ byte *lookupTable = _m;
+
+ // Loop through processing data for each plane. The game originally ran in plane mapped mode, where a
+ // given plane holds each fourth pixel sequentially. So to handle an entire picture, each plane's data
+ // must be decompressed and inserted into the surface
+ for (int planeCtr = 0; planeCtr < 4; planeCtr++) {
+ byte *destP = (byte *)Vga::_page[1]->getBasePtr(x + planeCtr, y);
+
+ for (;;) {
+ uint16 v = READ_LE_UINT16(srcP);
+ srcP += 2;
+ int cmd = v >> 14;
+ int count = v & 0x3FFF;
+
+ if (cmd == 0) {
+ // End of image
+ break;
+ }
+
+ assert(destP < destEndP);
+
+ if (cmd == 2)
+ srcP++;
+ else if (cmd == 3)
+ srcP += count;
+
+ // Handle a set of pixels
+ while (count-- > 0) {
+ // Transfer operation
+ switch (cmd) {
+ case 1:
+ // SKIP
+ break;
+ case 2:
+ case 3:
+ // TINT
+ *destP = lookupTable[*destP];
+ break;
+ }
+
+ // Move to next dest position
+ destP += 4;
+ }
+ }
+ }
+}
+
+
+void Bitmap::show(int16 x, int16 y) {
+ debugC(5, kCGEDebugBitmap, "Bitmap::show(%d, %d)", x, y);
+
+ const byte *srcP = (const byte *)_v;
+ byte *destEndP = (byte *)Vga::_page[1]->pixels + (kScrWidth * kScrHeight);
+
+ // Loop through processing data for each plane. The game originally ran in plane mapped mode, where a
+ // given plane holds each fourth pixel sequentially. So to handle an entire picture, each plane's data
+ // must be decompressed and inserted into the surface
+ for (int planeCtr = 0; planeCtr < 4; planeCtr++) {
+ byte *destP = (byte *)Vga::_page[1]->getBasePtr(x + planeCtr, y);
+
+ for (;;) {
+ uint16 v = READ_LE_UINT16(srcP);
+ srcP += 2;
+ int cmd = v >> 14;
+ int count = v & 0x3FFF;
+
+ if (cmd == 0) {
+ // End of image
+ break;
+ }
+
+ assert(destP < destEndP);
+
+ // Handle a set of pixels
+ while (count-- > 0) {
+ // Transfer operation
+ switch (cmd) {
+ case 1:
+ // SKIP
+ break;
+ case 2:
+ // REPEAT
+ *destP = *srcP;
+ break;
+ case 3:
+ // COPY
+ *destP = *srcP++;
+ break;
+ }
+
+ // Move to next dest position
+ destP += 4;
+ }
+
+ if (cmd == 2)
+ srcP++;
+ }
+ }
+/*
+ DEBUG code to display image immediately
+ // Temporary
+ g_system->copyRectToScreen((const byte *)VGA::Page[1]->getBasePtr(0, 0), SCR_WID, 0, 0, SCR_WID, SCR_HIG);
+ byte palData[PAL_SIZ];
+ VGA::DAC2pal(VGA::SysPal, palData);
+ g_system->getPaletteManager()->setPalette(palData, 0, PAL_CNT);
+
+ g_system->updateScreen();
+ g_system->delayMillis(5000);
+*/
+}
+
+
+void Bitmap::hide(int16 x, int16 y) {
+ debugC(5, kCGEDebugBitmap, "Bitmap::hide(%d, %d)", x, y);
+
+ for (int yp = y; yp < y + _h; yp++) {
+ const byte *srcP = (const byte *)Vga::_page[2]->getBasePtr(x, yp);
+ byte *destP = (byte *)Vga::_page[1]->getBasePtr(x, yp);
+
+ Common::copy(srcP, srcP + _w, destP);
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+
+HorizLine::HorizLine(CGEEngine *vm): Sprite(vm, NULL) {
+ // Set the sprite list
+ BitmapPtr *HL = new BitmapPtr[2];
+ HL[0] = new Bitmap("HLINE");
+ HL[1] = NULL;
+
+ setShapeList(HL);
+}
+
+CavLight::CavLight(CGEEngine *vm): Sprite(vm, NULL) {
+ // Set the sprite list
+ BitmapPtr *PR = new BitmapPtr[2];
+ PR[0] = new Bitmap("PRESS");
+ PR[1] = NULL;
+
+ setShapeList(PR);
+}
+
+Spike::Spike(CGEEngine *vm): Sprite(vm, NULL) {
+ // Set the sprite list
+ BitmapPtr *SP = new BitmapPtr[3];
+ SP[0] = new Bitmap("SPK_L");
+ SP[1] = new Bitmap("SPK_R");
+ SP[2] = NULL;
+
+ setShapeList(SP);
+}
+
+PocLight::PocLight(CGEEngine *vm): Sprite(vm, NULL) {
+ // Set the sprite list
+ BitmapPtr *LI = new BitmapPtr[5];
+ LI[0] = new Bitmap("LITE0");
+ LI[1] = new Bitmap("LITE1");
+ LI[2] = new Bitmap("LITE2");
+ LI[3] = new Bitmap("LITE3");
+ LI[4] = NULL;
+
+ setShapeList(LI);
+
+ _flags._kill = false;
+}
+
+} // End of namespace CGE
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-06 00:49:32 +0000