mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-16 14:50:17 +00:00
432 lines
10 KiB
C++
432 lines
10 KiB
C++
/* 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.
|
|
*
|
|
*/
|
|
|
|
#include "groovie/cursor.h"
|
|
#include "groovie/groovie.h"
|
|
|
|
#include "common/debug.h"
|
|
#include "common/archive.h"
|
|
#include "common/file.h"
|
|
#include "common/macresman.h"
|
|
#include "common/textconsole.h"
|
|
#include "graphics/cursorman.h"
|
|
|
|
namespace Groovie {
|
|
|
|
// Cursor Manager
|
|
|
|
GrvCursorMan::GrvCursorMan(OSystem *system) :
|
|
_syst(system), _lastTime(0), _current(255), _cursor(NULL), _lastFrame(0) {
|
|
}
|
|
|
|
GrvCursorMan::~GrvCursorMan() {
|
|
// Delete the cursors
|
|
for (uint cursor = 0; cursor < _cursors.size(); cursor++) {
|
|
delete _cursors[cursor];
|
|
}
|
|
|
|
CursorMan.popAllCursors();
|
|
}
|
|
|
|
void GrvCursorMan::show(bool visible) {
|
|
CursorMan.showMouse(visible);
|
|
}
|
|
|
|
uint8 GrvCursorMan::getStyle() {
|
|
return _current;
|
|
}
|
|
|
|
void GrvCursorMan::setStyle(uint8 newStyle) {
|
|
// Reset the animation
|
|
_lastFrame = 254;
|
|
_lastTime = 1;
|
|
|
|
// Save the new cursor
|
|
_current = newStyle;
|
|
_cursor = _cursors[newStyle];
|
|
|
|
// Show the first frame
|
|
_cursor->enable();
|
|
animate();
|
|
}
|
|
|
|
void GrvCursorMan::animate() {
|
|
if (_lastTime) {
|
|
int newTime = _syst->getMillis();
|
|
if (_lastTime - newTime >= 75) {
|
|
_lastFrame++;
|
|
_lastFrame %= _cursor->getFrames();
|
|
_cursor->showFrame(_lastFrame);
|
|
_lastTime = _syst->getMillis();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// t7g Cursor
|
|
|
|
class Cursor_t7g : public Cursor {
|
|
public:
|
|
Cursor_t7g(uint8 *img, uint8 *pal);
|
|
|
|
void enable();
|
|
void showFrame(uint16 frame);
|
|
|
|
private:
|
|
byte *_img;
|
|
byte *_pal;
|
|
};
|
|
|
|
Cursor_t7g::Cursor_t7g(uint8 *img, uint8 *pal) :
|
|
_pal(pal) {
|
|
|
|
_width = img[0];
|
|
_height = img[1];
|
|
_numFrames = img[2];
|
|
uint8 elinor1 = img[3];
|
|
uint8 elinor2 = img[4];
|
|
|
|
_img = img + 5;
|
|
|
|
debugC(1, kDebugCursor, "Groovie::Cursor: width: %d, height: %d, frames:%d", _width, _height, _numFrames);
|
|
debugC(1, kDebugCursor | kDebugUnknown, "Groovie::Cursor: elinor: 0x%02X (%d), 0x%02X (%d)", elinor1, elinor1, elinor2, elinor2);
|
|
}
|
|
|
|
void Cursor_t7g::enable() {
|
|
// Apply the palette
|
|
CursorMan.replaceCursorPalette(_pal, 0, 32);
|
|
}
|
|
|
|
void Cursor_t7g::showFrame(uint16 frame) {
|
|
// Set the mouse cursor
|
|
int offset = _width * _height * frame;
|
|
CursorMan.replaceCursor((const byte *)_img + offset, _width, _height, _width >> 1, _height >> 1, 0);
|
|
}
|
|
|
|
|
|
// t7g Cursor Manager
|
|
|
|
#define NUM_IMGS 9
|
|
static const uint16 cursorDataOffsets[NUM_IMGS] = {
|
|
0x0000, 0x182f, 0x3b6d, 0x50cc, 0x6e79, 0x825d, 0x96d7, 0xa455, 0xa776
|
|
};
|
|
|
|
#define NUM_PALS 7
|
|
//Pals: 0xb794, 0xb7f4, 0xb854, 0xb8b4, 0xb914, 0xb974, 0xb9d4
|
|
|
|
#define NUM_STYLES 11
|
|
// pyramid is cursor 8, eyes are 9 & 10
|
|
const uint GrvCursorMan_t7g::_cursorImg[NUM_STYLES] = {3, 5, 4, 3, 1, 0, 2, 6, 7, 8, 8};
|
|
const uint GrvCursorMan_t7g::_cursorPal[NUM_STYLES] = {0, 0, 0, 0, 2, 0, 1, 3, 5, 4, 6};
|
|
|
|
GrvCursorMan_t7g::GrvCursorMan_t7g(OSystem *system, Common::MacResManager *macResFork) :
|
|
GrvCursorMan(system) {
|
|
|
|
Common::SeekableReadStream *robgjd = 0;
|
|
|
|
if (macResFork) {
|
|
// Open the cursors file from the resource fork
|
|
robgjd = macResFork->getResource("rob.gjd");
|
|
} else {
|
|
// Open the cursors file
|
|
robgjd = SearchMan.createReadStreamForMember("rob.gjd");
|
|
}
|
|
|
|
if (!robgjd)
|
|
error("Groovie::Cursor: Couldn't open rob.gjd");
|
|
|
|
// Load the images
|
|
for (uint imgnum = 0; imgnum < NUM_IMGS; imgnum++) {
|
|
robgjd->seek(cursorDataOffsets[imgnum]);
|
|
_images.push_back(loadImage(*robgjd));
|
|
}
|
|
|
|
// Load the palettes
|
|
robgjd->seek(-0x60 * NUM_PALS, SEEK_END);
|
|
for (uint palnum = 0; palnum < NUM_PALS; palnum++) {
|
|
_palettes.push_back(loadPalette(*robgjd));
|
|
}
|
|
|
|
// Build the cursors
|
|
for (uint cursor = 0; cursor < NUM_STYLES; cursor++) {
|
|
Cursor *s = new Cursor_t7g(_images[_cursorImg[cursor]], _palettes[_cursorPal[cursor]]);
|
|
_cursors.push_back(s);
|
|
}
|
|
|
|
delete robgjd;
|
|
}
|
|
|
|
GrvCursorMan_t7g::~GrvCursorMan_t7g() {
|
|
// Delete the images
|
|
for (uint img = 0; img < _images.size(); img++) {
|
|
delete[] _images[img];
|
|
}
|
|
|
|
// Delete the palettes
|
|
for (uint pal = 0; pal < _palettes.size(); pal++) {
|
|
delete[] _palettes[pal];
|
|
}
|
|
}
|
|
|
|
byte *GrvCursorMan_t7g::loadImage(Common::SeekableReadStream &file) {
|
|
uint16 decompbytes = 0, offset, i, length;
|
|
uint8 flagbyte, lengthmask = 0x0F, offsetlen, var_8;
|
|
byte *cursorStorage = new byte[65536];
|
|
uint8 *runningcursor = cursorStorage;
|
|
|
|
bool finished = false;
|
|
while (!(finished || file.eos())) {
|
|
flagbyte = file.readByte();
|
|
for (i = 1; i <= 8; i++) {
|
|
if (!file.eos()) {
|
|
if (flagbyte & 1) {
|
|
*(runningcursor++) = file.readByte();
|
|
decompbytes++;
|
|
} else {
|
|
var_8 = file.readByte();
|
|
offsetlen = file.readByte();
|
|
if (var_8 == 0 && offsetlen == 0) {
|
|
finished = true;
|
|
break;
|
|
}
|
|
length = (offsetlen & lengthmask) + 3;
|
|
offsetlen >>= 4;
|
|
offset = (offsetlen << 8) + var_8;
|
|
decompbytes += length;
|
|
|
|
for (; length > 0; length--, runningcursor++) {
|
|
*(runningcursor) = *(runningcursor - offset);
|
|
}
|
|
}
|
|
flagbyte = flagbyte >> 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return cursorStorage;
|
|
}
|
|
|
|
byte *GrvCursorMan_t7g::loadPalette(Common::SeekableReadStream &file) {
|
|
byte *palette = new byte[3 * 32];
|
|
file.read(palette, 3 * 32);
|
|
return palette;
|
|
}
|
|
|
|
|
|
// v2 Cursor
|
|
|
|
class Cursor_v2 : public Cursor {
|
|
public:
|
|
Cursor_v2(Common::File &file);
|
|
~Cursor_v2();
|
|
|
|
void enable();
|
|
void showFrame(uint16 frame);
|
|
|
|
private:
|
|
// Currently locked to 16bit
|
|
byte *_img;
|
|
|
|
Graphics::PixelFormat _format;
|
|
|
|
void decodeFrame(byte *pal, byte *data, byte *dest);
|
|
};
|
|
|
|
Cursor_v2::Cursor_v2(Common::File &file) {
|
|
byte *pal = new byte[0x20 * 3];
|
|
|
|
_format = g_system->getScreenFormat();
|
|
|
|
_numFrames = file.readUint16LE();
|
|
_width = file.readUint16LE();
|
|
_height = file.readUint16LE();
|
|
|
|
_img = new byte[_width * _height * _numFrames * 4];
|
|
|
|
debugC(1, kDebugCursor, "Groovie::Cursor: width: %d, height: %d, frames:%d", _width, _height, _numFrames);
|
|
|
|
uint16 tmp16 = file.readUint16LE();
|
|
debugC(5, kDebugCursor, "hotspot x?: %d\n", tmp16);
|
|
tmp16 = file.readUint16LE();
|
|
debugC(5, kDebugCursor, "hotspot y?: %d\n", tmp16);
|
|
int loop2count = file.readUint16LE();
|
|
debugC(5, kDebugCursor, "loop2count?: %d\n", loop2count);
|
|
for (int l = 0; l < loop2count; l++) {
|
|
tmp16 = file.readUint16LE();
|
|
debugC(5, kDebugCursor, "loop2a: %d\n", tmp16); // Index frame can merge to/from?
|
|
tmp16 = file.readUint16LE();
|
|
debugC(5, kDebugCursor, "loop2b: %d\n", tmp16); // Number of frames?
|
|
}
|
|
|
|
file.read(pal, 0x20 * 3);
|
|
|
|
for (int f = 0; f < _numFrames; f++) {
|
|
uint32 tmp32 = file.readUint32LE();
|
|
debugC(5, kDebugCursor, "loop3: %d\n", tmp32);
|
|
|
|
byte *data = new byte[tmp32];
|
|
file.read(data, tmp32);
|
|
decodeFrame(pal, data, _img + (f * _width * _height * 4));
|
|
|
|
delete[] data;
|
|
}
|
|
|
|
delete[] pal;
|
|
}
|
|
|
|
Cursor_v2::~Cursor_v2() {
|
|
delete[] _img;
|
|
}
|
|
|
|
void Cursor_v2::decodeFrame(byte *pal, byte *data, byte *dest) {
|
|
// Scratch memory
|
|
byte *tmp = new byte[_width * _height * 4];
|
|
byte *ptr = tmp;
|
|
memset(tmp, 0, _width * _height * 4);
|
|
|
|
byte ctrA = 0, ctrB = 0;
|
|
|
|
byte alpha = 0, palIdx = 0;
|
|
|
|
byte r, g, b;
|
|
|
|
// Start frame decoding
|
|
for (int y = 0; y < _height; y++) {
|
|
for (int x = 0; x < _width; x++) {
|
|
// If both counters are empty
|
|
if (ctrA == 0 && ctrB == 0) {
|
|
if (*data & 0x80) {
|
|
ctrA = (*data++ & 0x7F) + 1;
|
|
} else {
|
|
ctrB = *data++ + 1;
|
|
alpha = *data & 0xE0;
|
|
palIdx = *data++ & 0x1F;
|
|
}
|
|
}
|
|
|
|
if (ctrA) {
|
|
// Block type A - chunk of non-continuous pixels
|
|
palIdx = *data & 0x1F;
|
|
alpha = *data++ & 0xE0;
|
|
|
|
r = *(pal + palIdx);
|
|
g = *(pal + palIdx + 0x20);
|
|
b = *(pal + palIdx + 0x40);
|
|
|
|
ctrA--;
|
|
} else {
|
|
// Block type B - chunk of continuous pixels
|
|
r = *(pal + palIdx);
|
|
g = *(pal + palIdx + 0x20);
|
|
b = *(pal + palIdx + 0x40);
|
|
|
|
ctrB--;
|
|
}
|
|
|
|
// Decode pixel
|
|
if (alpha) {
|
|
if (alpha != 0xE0) {
|
|
alpha = ((alpha << 8) / 224);
|
|
|
|
// TODO: The * 0 to be replaced by the component value of each pixel
|
|
// below, respectively - does blending
|
|
r = (byte)((alpha * r + (256 - alpha) * 0) >> 8);
|
|
g = (byte)((alpha * g + (256 - alpha) * 0) >> 8);
|
|
b = (byte)((alpha * b + (256 - alpha) * 0) >> 8);
|
|
}
|
|
|
|
*ptr = 1;
|
|
*(ptr + 1) = r;
|
|
*(ptr + 2) = g;
|
|
*(ptr + 3) = b;
|
|
}
|
|
ptr += 4;
|
|
}
|
|
}
|
|
|
|
// Convert to screen format
|
|
// NOTE: Currently locked to 32bpp
|
|
ptr = tmp;
|
|
for (int y = 0; y < _height; y++) {
|
|
for (int x = 0; x < _width; x++) {
|
|
if (*ptr == 1) {
|
|
*(uint32 *)dest = _format.RGBToColor(*(ptr + 1), *(ptr + 2), *(ptr + 3));
|
|
} else {
|
|
*(uint32 *)dest = 0;
|
|
}
|
|
dest += 4;
|
|
ptr += 4;
|
|
}
|
|
}
|
|
|
|
delete[] tmp;
|
|
}
|
|
|
|
void Cursor_v2::enable() {
|
|
}
|
|
|
|
void Cursor_v2::showFrame(uint16 frame) {
|
|
int offset = _width * _height * frame * 4;
|
|
CursorMan.replaceCursor((const byte *)(_img + offset), _width, _height, _width >> 1, _height >> 1, 0, false, &_format);
|
|
}
|
|
|
|
|
|
// v2 Cursor Manager
|
|
|
|
GrvCursorMan_v2::GrvCursorMan_v2(OSystem *system) :
|
|
GrvCursorMan(system) {
|
|
|
|
// Open the icons file
|
|
Common::File iconsFile;
|
|
if (!iconsFile.open("icons.ph"))
|
|
error("Groovie::Cursor: Couldn't open icons.ph");
|
|
|
|
// Verify the signature
|
|
uint32 tmp32 = iconsFile.readUint32BE();
|
|
uint16 tmp16 = iconsFile.readUint16LE();
|
|
if (tmp32 != MKTAG('i','c','o','n') || tmp16 != 1)
|
|
error("Groovie::Cursor: icons.ph signature failed: %s %d", tag2str(tmp32), tmp16);
|
|
|
|
|
|
// Read the number of icons
|
|
uint16 nicons = iconsFile.readUint16LE();
|
|
|
|
// Read the icons
|
|
for (int i = 0; i < nicons; i++) {
|
|
Cursor *s = new Cursor_v2(iconsFile);
|
|
_cursors.push_back(s);
|
|
}
|
|
|
|
iconsFile.close();
|
|
}
|
|
|
|
GrvCursorMan_v2::~GrvCursorMan_v2() {
|
|
}
|
|
|
|
void GrvCursorMan_v2::setStyle(uint8 newStyle) {
|
|
// Cursor 4 is actually cursor 3, but with some changes to alpha blending
|
|
// (which is currently not handled)
|
|
GrvCursorMan::setStyle(newStyle == 4 ? 3 : newStyle);
|
|
}
|
|
|
|
} // End of Groovie namespace
|