scummvm/engines/composer/composer.cpp

1274 lines
38 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.
*
* $URL$
* $Id$
*
*/
#include "common/scummsys.h"
#include "common/config-manager.h"
#include "common/events.h"
#include "common/file.h"
#include "common/random.h"
#include "common/fs.h"
#include "common/keyboard.h"
#include "common/substream.h"
#include "common/memstream.h"
#include "common/savefile.h"
#include "graphics/cursorman.h"
#include "graphics/surface.h"
#include "graphics/pixelformat.h"
#include "engines/util.h"
#include "engines/advancedDetector.h"
#include "audio/audiostream.h"
#include "composer/composer.h"
#include "composer/graphics.h"
#include "composer/resource.h"
namespace Composer {
// new script ops
enum {
kOpPlusPlus = 0x1,
kOpMinusMinus = 0x2,
kOpAssign = 0x3,
kOpAdd = 0x4,
kOpSubtract = 0x5,
kOpMultiply = 0x6,
kOpDivide = 0x7,
kOpModulo = 0x8,
kOpMaybeAlsoAssign = 0x9,
kOpBooleanAssign = 0xA,
kOpNegate = 0xB,
kOpAnd = 0xC,
kOpOr = 0xD,
kOpXor = 0xE,
kOpNot = 0xF,
kOpSqrt = 0x10,
kOpRandom = 0x11,
kOpExecuteScript = 0x12,
kOpCallFunc = 0x13,
kOpBoolLessThanEq = 0x17,
kOpBoolLessThan = 0x16,
kOpBoolGreaterThanEq = 0x15,
kOpBoolGreaterThan = 0x14,
kOpBoolEqual = 0x18,
kOpBoolNotEqual = 0x19,
kOpSaveArgs = 0x1A,
kOpRestoreArgs = 0x1B,
kOpReturn = 0x20,
kOpLessThanEq = 0x22,
kOpLessThan = 0x21,
kOpGreaterThanEq = 0x24,
kOpGreaterThan = 0x23,
kOpEqual = 0x25,
kOpNotEqual = 0x26,
kOpJump = 0x80,
kOpJumpIfNot = 0x81,
kOpJumpIf = 0x82,
kOpJumpIfNotValue = 0x83,
kOpJumpIfValue = 0x84
};
enum {
kFuncPlayAnim = 35001,
kFuncStopAnim = 35002,
// (no 35003)
kFuncQueueScript = 35004,
kFuncDequeueScript = 35005,
kFuncSetCursor = 35006,
kFuncGetCursor = 35007,
kFuncShowCursor = 35008,
kFuncHideCursor = 35009,
// (no 35010)
kFuncActivateButton = 35011,
kFuncDeactivateButton = 35012,
kFuncNewPage = 35013,
kFuncLoadPage = 35014,
kFuncUnloadPage = 35015,
kFuncSetPalette = 35016,
kFuncSaveVars = 35017,
kFuncLoadVars = 35018,
kFuncQueueScriptOnce = 35019,
kFuncGetMousePos = 35020,
kFuncChangeBackground = 35021,
kFuncSetBackgroundColor = 35022,
kFuncClearSprites = 35023,
kFuncAddSprite = 35024,
kFuncRemoveSprite = 35025,
kFuncQuit = 35026,
kFuncSaveData = 35027,
kFuncLoadData = 35028,
kFuncGetSpriteSize = 35029
};
Pipe::Pipe(Common::SeekableReadStream *stream) {
_offset = 0;
_stream = stream;
nextFrame();
}
void Pipe::nextFrame() {
if (_offset == (uint)_stream->size())
return;
_stream->seek(_offset, SEEK_SET);
uint32 tagCount = _stream->readUint32LE();
_offset += 4;
for (uint i = 0; i < tagCount; i++) {
uint32 tag = _stream->readUint32BE();
uint32 count = _stream->readUint32LE();
_offset += 8;
ResourceMap &resMap = _types[tag];
_offset += (12 * count);
//uint32 baseOffset = _offset;
for (uint j = 0; j < count; j++) {
uint32 offset = _stream->readUint32LE();
uint32 size = _stream->readUint32LE();
uint16 id = _stream->readUint16LE();
uint32 unknown = _stream->readUint16LE(); // frame id?
debug(9, "pipe: %s/%d: offset %d, size %d, unknown %d", tag2str(tag), id, offset, size, unknown);
PipeResourceEntry entry;
entry.size = size;
entry.offset = _offset;
resMap[id].entries.push_back(entry);
_offset += size;
}
_stream->seek(_offset, SEEK_SET);
}
}
bool Pipe::hasResource(uint32 tag, uint16 id) const {
if (!_types.contains(tag))
return false;
return _types[tag].contains(id);
}
Common::SeekableReadStream *Pipe::getResource(uint32 tag, uint16 id, bool buffering) {
if (!_types.contains(tag))
error("Pipe does not contain '%s' %04x", tag2str(tag), id);
const ResourceMap &resMap = _types[tag];
if (!resMap.contains(id))
error("Archive does not contain '%s' %04x", tag2str(tag), id);
const PipeResource &res = resMap[id];
if (res.entries.size() == 1) {
Common::SeekableReadStream *stream = new Common::SeekableSubReadStream(_stream,
res.entries[0].offset, res.entries[0].offset + res.entries[0].size);
if (buffering)
_types[tag].erase(id);
return stream;
}
// If there are multiple entries in the pipe, we have to concaternate them together.
uint32 size = 0;
for (uint i = 0; i < res.entries.size(); i++)
size += res.entries[i].size;
byte *buffer = (byte *)malloc(size);
uint32 offset = 0;
for (uint i = 0; i < res.entries.size(); i++) {
_stream->seek(res.entries[i].offset, SEEK_SET);
_stream->read(buffer + offset, res.entries[i].size);
offset += res.entries[i].size;
}
if (buffering)
_types[tag].erase(id);
return new Common::MemoryReadStream(buffer, size, DisposeAfterUse::YES);
}
Button::Button(Common::SeekableReadStream *stream, uint16 id) {
_id = id;
_type = stream->readUint16LE();
_active = (_type & 0x8000) ? true : false;
_type &= 0xfff;
debug(9, "button: type %d, active %d", _type, _active);
_zorder = stream->readUint16LE();
_scriptId = stream->readUint16LE();
_scriptIdRollOn = stream->readUint16LE();
_scriptIdRollOff = stream->readUint16LE();
stream->skip(4);
uint16 size = stream->readUint16LE();
switch (_type) {
case kButtonRect:
case kButtonEllipse:
if (size != 4)
error("button %d of type %d had %d points, not 4", id, _type, size);
_rect.left = stream->readSint16LE();
_rect.top = stream->readSint16LE();
_rect.right = stream->readSint16LE();
_rect.bottom = stream->readSint16LE();
debug(9, "button: (%d, %d, %d, %d)", _rect.left, _rect.top, _rect.right, _rect.bottom);
break;
case kButtonSprites:
for (uint i = 0; i < size; i++) {
_spriteIds.push_back(stream->readSint16LE());
}
break;
default:
error("unknown button type %d", _type);
}
delete stream;
}
bool Button::contains(const Common::Point &pos) const {
switch (_type) {
case kButtonRect:
return _rect.contains(pos);
case kButtonEllipse:
if (!_rect.contains(pos))
return false;
{
int16 a = _rect.width() / 2;
int16 b = _rect.height() / 2;
if (!a || !b)
return false;
Common::Point adjustedPos = pos - Common::Point(_rect.left + a, _rect.top + b);
return ((adjustedPos.x*adjustedPos.x)/(a*a) + (adjustedPos.y*adjustedPos.y)/(b*b) < 1);
}
case kButtonSprites:
return false;
default:
error("internal error (button type %d)", _type);
}
}
const Button *ComposerEngine::getButtonFor(const Sprite *sprite, const Common::Point &pos) {
for (Common::List<Button>::iterator i = _buttons.reverse_begin(); i != _buttons.end(); --i) {
if (!i->_active)
continue;
if (i->_spriteIds.empty()) {
if (i->contains(pos))
return &(*i);
continue;
}
if (!sprite)
continue;
for (uint j = 0; j < i->_spriteIds.size(); j++) {
if (i->_spriteIds[j] == sprite->_id)
return &(*i);
}
}
return NULL;
}
ComposerEngine::ComposerEngine(OSystem *syst, const ComposerGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
_rnd = new Common::RandomSource("composer");
_audioStream = NULL;
}
ComposerEngine::~ComposerEngine() {
DebugMan.clearAllDebugChannels();
for (Common::List<Library>::iterator i = _libraries.begin(); i != _libraries.end(); i++)
delete i->_archive;
for (Common::List<Sprite>::iterator i = _sprites.begin(); i != _sprites.end(); i++)
i->_surface.free();
delete _rnd;
}
Common::Error ComposerEngine::run() {
Common::Event event;
_vars.resize(1000);
for (uint i = 0; i < _vars.size(); i++)
_vars[i] = 0;
_queuedScripts.resize(10);
for (uint i = 0; i < _queuedScripts.size(); i++) {
_queuedScripts[i]._count = 0;
_queuedScripts[i]._scriptId = 0;
}
_mouseVisible = true;
_mouseEnabled = false;
_mouseSpriteId = 0;
_lastButton = NULL;
_directoriesToStrip = 1;
if (!_bookIni.loadFromFile("book.ini")) {
_directoriesToStrip = 0;
if (!_bookIni.loadFromFile("programs/book.ini"))
error("failed to find book.ini");
}
uint width = 640;
if (_bookIni.hasKey("Width", "Common"))
width = atoi(getStringFromConfig("Common", "Width").c_str());
uint height = 480;
if (_bookIni.hasKey("Height", "Common"))
height = atoi(getStringFromConfig("Common", "Height").c_str());
initGraphics(width, height, true);
_surface.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
_needsUpdate = true;
loadLibrary(0);
uint fps = atoi(getStringFromConfig("Common", "FPS").c_str());
uint frameTime = 1000 / fps;
uint32 lastDrawTime = 0;
while (!shouldQuit()) {
for (uint i = 0; i < _pendingPageChanges.size(); i++) {
if (_pendingPageChanges[i]._remove)
unloadLibrary(_pendingPageChanges[i]._pageId);
else
loadLibrary(_pendingPageChanges[i]._pageId);
lastDrawTime = _system->getMillis();
}
_pendingPageChanges.clear();
uint32 thisTime = _system->getMillis();
for (uint i = 0; i < _queuedScripts.size(); i++) {
QueuedScript &script = _queuedScripts[i];
if (!script._count)
continue;
if (script._baseTime + script._duration > thisTime)
continue;
if (script._count != 0xffffffff)
script._count--;
script._baseTime = thisTime;
runScript(script._scriptId, i, 0, 0);
}
if (lastDrawTime + frameTime <= thisTime) {
// catch up if we're more than 5 frames behind
if (lastDrawTime + (frameTime * 5) <= thisTime)
lastDrawTime = thisTime - (frameTime * 5);
else
lastDrawTime += frameTime;
redraw();
processAnimFrame();
} else if (_needsUpdate) {
redraw();
}
while (_eventMan->pollEvent(event)) {
switch (event.type) {
case Common::EVENT_LBUTTONDOWN:
onMouseDown(event.mouse);
break;
case Common::EVENT_LBUTTONUP:
break;
case Common::EVENT_RBUTTONDOWN:
break;
case Common::EVENT_MOUSEMOVE:
onMouseMove(event.mouse);
break;
case Common::EVENT_KEYDOWN:
switch (event.kbd.keycode) {
case Common::KEYCODE_d:
/*if (event.kbd.hasFlags(Common::KBD_CTRL)) {
// Start the debugger
getDebugger()->attach();
getDebugger()->onFrame();
}*/
break;
case Common::KEYCODE_q:
if (event.kbd.hasFlags(Common::KBD_CTRL))
quitGame();
break;
default:
break;
}
onKeyDown(event.kbd.keycode);
break;
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
quitGame();
break;
default:
break;
}
}
_system->delayMillis(20);
}
return Common::kNoError;
}
void ComposerEngine::onMouseDown(const Common::Point &pos) {
if (!_mouseEnabled || !_mouseVisible)
return;
const Sprite *sprite = getSpriteAtPos(pos);
const Button *button = getButtonFor(sprite, pos);
if (!button)
return;
// TODO: other buttons?
uint16 buttonsDown = 1; // MK_LBUTTON
uint16 spriteId = sprite ? sprite->_id : 0;
runScript(button->_scriptId, button->_id, buttonsDown, spriteId);
}
void ComposerEngine::onMouseMove(const Common::Point &pos) {
_lastMousePos = pos;
if (!_mouseEnabled || !_mouseVisible)
return;
// TODO: do we need to keep track of this?
uint buttonsDown = 0;
const Sprite *sprite = getSpriteAtPos(pos);
const Button *button = getButtonFor(sprite, pos);
if (_lastButton != button) {
if (_lastButton && _lastButton->_scriptIdRollOff)
runScript(_lastButton->_scriptIdRollOff, _lastButton->_id, buttonsDown, 0);
_lastButton = button;
if (_lastButton && _lastButton->_scriptIdRollOn)
runScript(_lastButton->_scriptIdRollOn, _lastButton->_id, buttonsDown, 0);
}
if (_mouseSpriteId) {
addSprite(_mouseSpriteId, 0, 0, _lastMousePos - _mouseOffset);
_needsUpdate = true;
}
}
void ComposerEngine::onKeyDown(uint16 keyCode) {
runEvent(5, keyCode, 0, 0);
runEvent(6, keyCode, 0, 0);
}
void ComposerEngine::setCursor(uint16 id, const Common::Point &offset) {
_mouseOffset = offset;
if (_mouseSpriteId == id)
return;
if (_mouseSpriteId && _mouseVisible) {
removeSprite(_mouseSpriteId, 0);
}
_mouseSpriteId = id;
if (_mouseSpriteId && _mouseVisible) {
addSprite(_mouseSpriteId, 0, 0, _lastMousePos - _mouseOffset);
}
}
void ComposerEngine::setCursorVisible(bool visible) {
if (!_mouseSpriteId)
return;
if (visible && !_mouseVisible) {
_mouseVisible = true;
addSprite(_mouseSpriteId, 0, 0, _lastMousePos - _mouseOffset);
onMouseMove(_lastMousePos);
} else if (!visible && _mouseVisible) {
_mouseVisible = false;
removeSprite(_mouseSpriteId, 0);
}
}
Common::String ComposerEngine::getStringFromConfig(const Common::String &section, const Common::String &key) {
Common::String value;
if (!_bookIni.getKey(key, section, value))
error("failed to find key '%s' in section '%s' of book config", key.c_str(), section.c_str());
return value;
}
Common::String ComposerEngine::getFilename(const Common::String &section, uint id) {
Common::String key = Common::String::format("%d", id);
Common::String filename = getStringFromConfig(section, key);
while (filename.size() && (filename[0] == '~' || filename[0] == ':' || filename[0] == '\\'))
filename = filename.c_str() + 1;
uint slashesToStrip = _directoriesToStrip;
while (slashesToStrip--) {
for (uint i = 0; i < filename.size(); i++) {
if (filename[i] != '\\')
continue;
filename = filename.c_str() + i + 1;
break;
}
}
Common::String outFilename;
for (uint i = 0; i < filename.size(); i++) {
if (filename[i] == '\\')
outFilename += '/';
else
outFilename += filename[i];
}
return outFilename;
}
void ComposerEngine::loadLibrary(uint id) {
if (!id)
id = atoi(getStringFromConfig("Common", "StartUp").c_str());
Common::String filename = getFilename("Libs", id);
Library library;
library._id = id;
library._archive = new ComposerArchive();
if (!library._archive->openFile(filename))
error("failed to open '%s'", filename.c_str());
_libraries.push_front(library);
Common::Array<uint16> buttonResources = library._archive->getResourceIDList(ID_BUTN);
for (uint i = 0; i < buttonResources.size(); i++) {
uint16 buttonId = buttonResources[i];
Common::SeekableReadStream *stream = library._archive->getResource(ID_BUTN, buttonId);
Button button(stream, buttonId);
bool inserted = false;
for (Common::List<Button>::iterator b = _buttons.begin(); b != _buttons.end(); b++) {
if (button._zorder <= b->_zorder)
continue;
_buttons.insert(b, button);
inserted = true;
break;
}
if (!inserted)
_buttons.push_back(button);
}
// add background sprite, if it exists
if (hasResource(ID_BMAP, 1000))
addSprite(1000, 0, 0xffff, Common::Point());
// TODO: better CTBL logic
loadCTBL(1000, 100);
// Run the startup script.
runScript(1000, 0, 0, 0);
_mouseEnabled = true;
onMouseMove(_lastMousePos);
runEvent(3, id, 0, 0);
}
void ComposerEngine::unloadLibrary(uint id) {
for (Common::List<Library>::iterator i = _libraries.begin(); i != _libraries.end(); i++) {
if (i->_id != id)
continue;
for (Common::List<Animation *>::iterator j = _anims.begin(); j != _anims.end(); j++) {
delete *j;
}
_anims.clear();
for (Common::List<Pipe *>::iterator j = _pipes.begin(); j != _pipes.end(); j++) {
delete *j;
}
_pipes.clear();
for (Common::List<Sprite>::iterator j = _sprites.begin(); j != _sprites.end(); j++) {
j->_surface.free();
}
_sprites.clear();
_buttons.clear();
_lastButton = NULL;
_mixer->stopAll();
_audioStream = NULL;
for (uint j = 0; j < _queuedScripts.size(); j++) {
_queuedScripts[j]._count = 0;
_queuedScripts[j]._scriptId = 0;
}
delete i->_archive;
_libraries.erase(i);
return;
}
error("tried to unload library %d, which isn't loaded", id);
}
bool ComposerEngine::hasResource(uint32 tag, uint16 id) {
for (Common::List<Library>::iterator i = _libraries.begin(); i != _libraries.end(); i++)
if (i->_archive->hasResource(tag, id))
return true;
return false;
}
Common::SeekableReadStream *ComposerEngine::getResource(uint32 tag, uint16 id) {
for (Common::List<Library>::iterator i = _libraries.begin(); i != _libraries.end(); i++)
if (i->_archive->hasResource(tag, id))
return i->_archive->getResource(tag, id);
error("No loaded library contains '%s' %04x", tag2str(tag), id);
}
void ComposerEngine::runEvent(uint16 id, int16 param1, int16 param2, int16 param3) {
if (!hasResource(ID_EVNT, id))
return;
Common::SeekableReadStream *stream = getResource(ID_EVNT, id);
if (stream->size() != 2)
error("bad EVNT size %d", stream->size());
uint16 scriptId = stream->readUint16LE();
delete stream;
if (!scriptId)
return;
debug(2, "running event %d via script %d(%d, %d, %d)", id, scriptId, param1, param2, param3);
runScript(scriptId, param1, param2, param3);
}
int16 ComposerEngine::runScript(uint16 id, int16 param1, int16 param2, int16 param3) {
_vars[1] = param1;
_vars[2] = param2;
_vars[3] = param3;
runScript(id);
return _vars[0];
}
int16 ComposerEngine::getArg(uint16 arg, uint16 type) {
switch (type) {
case 0:
return (int16)arg;
case 1:
return (int16)_vars[arg];
case 2:
return (int16)_vars[_vars[arg]];
default:
error("invalid argument type %d (getting arg %d)", type, arg);
}
}
void ComposerEngine::setArg(uint16 arg, uint16 type, uint16 val) {
switch (type) {
case 1:
_vars[arg] = val;
break;
case 2:
_vars[_vars[arg]] = val;
break;
default:
error("invalid argument type %d (setting arg %d)", type, arg);
}
}
void ComposerEngine::runScript(uint16 id) {
if (!hasResource(ID_SCRP, id)) {
warning("ignoring attempt to run script %d, because it doesn't exist", id);
return;
}
uint stackBase = _stack.size();
_stack.resize(_stack.size() + 19);
Common::SeekableReadStream *stream = getResource(ID_SCRP, id);
if (stream->size() < 2)
error("SCRP was too small (%d)", stream->size());
uint16 size = stream->readUint16LE();
if (stream->size() < 2 + 2*size)
error("SCRP was too small (%d, but claimed %d entries)", stream->size(), size);
uint16 *script = new uint16[size];
for (uint i = 0; i < size; i++)
script[i] = stream->readUint16LE();
delete stream;
uint16 pos = 0;
bool lastResult = false;
while (pos < size) {
int16 val1, val2, val3;
byte op = (byte)script[pos];
uint numParams = (script[pos] & 0x300) >> 8; // 2 bits
if (pos + numParams >= size)
error("script ran out of content");
uint arg1 = (script[pos] & 0xc00) >> 10; // 2 bits
uint arg2 = (script[pos] & 0x3000) >> 12; // 2 bits
uint arg3 = (script[pos] & 0xC000) >> 14; // 2 bits
switch (op) {
case kOpPlusPlus:
if (numParams != 1)
error("kOpPlusPlus had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(9, "[%d/%d]++ (now %d)", script[pos + 1], arg1, val1 + 1);
setArg(script[pos + 1], arg1, val1 + 1);
break;
case kOpMinusMinus:
if (numParams != 1)
error("kOpMinusMinus had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(9, "[%d/%d]-- (now %d)", script[pos + 1], arg1, val1 - 1);
setArg(script[pos + 1], arg1, val1 - 1);
break;
case kOpAssign:
if (numParams != 2)
error("kOpAssign had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] = [%d/%d] (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, val2);
break;
case kOpAdd:
if (numParams != 3)
error("kOpAdd had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d + [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 + val3);
setArg(script[pos + 1], arg1, val2 + val3);
break;
case kOpSubtract:
if (numParams != 3)
error("kOpSubtract had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d - [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 - val3);
setArg(script[pos + 1], arg1, val2 - val3);
break;
case kOpMultiply:
if (numParams != 3)
error("kOpMultiply had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d * [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 * val3);
setArg(script[pos + 1], arg1, val2 * val3);
break;
case kOpDivide:
if (numParams != 3)
error("kOpDivide had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
if (val3 == 0)
error("script tried to divide by zero");
debug(9, "[%d/%d] = [%d/%d]=%d / [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 / val3);
setArg(script[pos + 1], arg1, val2 / val3);
break;
case kOpModulo:
if (numParams != 3)
error("kOpModulo had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
if (val3 == 0)
error("script tried to divide by zero (modulo)");
debug(9, "[%d/%d] = [%d/%d]=%d %% [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 % val3);
setArg(script[pos + 1], arg1, val2 % val3);
break;
case kOpMaybeAlsoAssign:
if (numParams != 2)
error("kOpMaybeAlsoAssign had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] =(?) [%d/%d] (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, val2);
break;
case kOpBooleanAssign:
if (numParams != 2)
error("kOpBooleanAssign had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] = [%d/%d] (%d) ? 1 : 0", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, val2 ? 1 : 0);
break;
case kOpNegate:
if (numParams != 2)
error("kOpNegate had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] = -[%d/%d] (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, -val2);
break;
case kOpAnd:
if (numParams != 3)
error("kOpAnd had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d & [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 & val3);
setArg(script[pos + 1], arg1, val2 & val3);
break;
case kOpOr:
if (numParams != 3)
error("kOpOr had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d | [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 | val3);
setArg(script[pos + 1], arg1, val2 | val3);
break;
case kOpXor:
if (numParams != 3)
error("kOpXor had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d]=%d ^ [%d/%d]=%d (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val2 ^ val3);
setArg(script[pos + 1], arg1, val2 ^ val3);
break;
case kOpNot:
if (numParams != 2)
error("kOpNot had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] = ![%d/%d] (!%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, val2 ? 0 : 1);
break;
case kOpSqrt:
if (numParams != 2)
error("kOpSqrt had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] = sqrt([%d/%d] (%d))", script[pos + 1], arg1, script[pos + 2], arg2, val2);
setArg(script[pos + 1], arg1, (int16)sqrt((double)val2));
break;
case kOpRandom:
if (numParams != 3)
error("kOpRandom had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
val1 = _rnd->getRandomNumberRng(val2, val3);
debug(9, "[%d/%d] = rnd([%d/%d]=%d, [%d/%d]=%d) (%d)", script[pos + 1], arg1, script[pos + 2], arg2, val2, script[pos+3], arg3, val3, val1);
setArg(script[pos + 1], arg1, val1);
break;
case kOpExecuteScript:
if (numParams != 1)
error("kOpExecuteScript had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(8, "run script [%d/%d]=%d", script[pos + 1], arg1, val1);
runScript(val1);
debug(8, "done run script");
break;
case kOpCallFunc:
if (numParams != 1)
error("kOpCallFunc had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(8, "%d(%d, %d, %d)", (uint16)val1, _vars[1], _vars[2], _vars[3]);
_vars[0] = scriptFuncCall(val1, _vars[1], _vars[2], _vars[3]);
break;
case kOpBoolLessThanEq:
if (numParams != 2)
error("kOpBoolLessThanEq had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] <= [%d/%d]? (%d <= %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 <= val2);
break;
case kOpBoolLessThan:
if (numParams != 2)
error("kOpBoolLessThan had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] < [%d/%d]? (%d < %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 < val2);
break;
case kOpBoolGreaterThanEq:
if (numParams != 2)
error("kOpBoolGreaterThanEq had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] >= [%d/%d]? (%d >= %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 >= val2);
break;
case kOpBoolGreaterThan:
if (numParams != 2)
error("kOpBoolGreaterThan had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] > [%d/%d]? (%d > %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 > val2);
break;
case kOpBoolEqual:
if (numParams != 2)
error("kOpBoolEqual had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] == [%d/%d]? (%d == %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 == val2);
break;
case kOpBoolNotEqual:
if (numParams != 2)
error("kOpBoolNotEqual had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "[%d/%d] != [%d/%d]? (%d != %d)", script[pos + 1], arg1, script[pos + 2], arg2, val1, val2);
lastResult = (val1 != val2);
break;
case kOpSaveArgs:
if (numParams != 0)
error("kOpSaveArgs had wrong number of params (%d)", numParams);
debug(9, "save args");
for (uint i = 1; i < 19; i++)
_stack[stackBase + i] = _vars[i];
break;
case kOpRestoreArgs:
if (numParams != 0)
error("kOpRestoreArgs had wrong number of params (%d)", numParams);
debug(9, "restore args");
for (uint i = 1; i < 19; i++)
_vars[i] = _stack[stackBase + i];
break;
case kOpReturn:
if (numParams != 1)
error("kOpReturn had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(9, "return [%d/%d]=%d", script[pos + 1], arg1, val1);
_vars[0] = val1;
break;
case kOpLessThanEq:
if (numParams != 3)
error("kOpLessThanEq had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] <= [%d/%d]? (%d <= %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val3, val2);
setArg(script[pos + 1], arg1, (val3 <= val2) ? 1 : 0);
break;
case kOpLessThan:
if (numParams != 3)
error("kOpLessThan had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] < [%d/%d]? (%d < %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val3, val2);
setArg(script[pos + 1], arg1, (val3 < val2) ? 1 : 0);
break;
case kOpGreaterThanEq:
if (numParams != 3)
error("kOpGreaterThanEq had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] >= [%d/%d]? (%d >= %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val3, val2);
setArg(script[pos + 1], arg1, (val3 >= val2) ? 1 : 0);
break;
case kOpGreaterThan:
if (numParams != 3)
error("kOpGreaterThan had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] > [%d/%d]? (%d > %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val3, val2);
setArg(script[pos + 1], arg1, (val3 > val2) ? 1 : 0);
break;
case kOpEqual:
if (numParams != 3)
error("kOpEqual had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] == [%d/%d]? (%d == %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val2, val3);
setArg(script[pos + 1], arg1, (val3 == val2) ? 1 : 0);
break;
case kOpNotEqual:
if (numParams != 3)
error("kOpNotEqual had wrong number of params (%d)", numParams);
val2 = getArg(script[pos + 2], arg2);
val3 = getArg(script[pos + 3], arg3);
debug(9, "[%d/%d] = [%d/%d] != [%d/%d]? (%d != %d)", script[pos + 1], arg1, script[pos + 2], arg2, script[pos + 3], arg3, val2, val3);
setArg(script[pos + 1], arg1, (val3 != val2) ? 1 : 0);
break;
case kOpJump:
if (numParams != 1)
error("kOpJump had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
debug(9, "jump by [%d/%d]=%d", script[pos + 1], arg1, val1);
pos += val1;
break;
case kOpJumpIfNot:
if (numParams != 1)
error("kOpJumpIfNot had wrong number of params (%d)", numParams);
if (lastResult)
break;
val1 = getArg(script[pos + 1], arg1);
debug(9, "jump if not, by [%d/%d]=%d", script[pos + 1], arg1, val1);
pos += val1;
break;
case kOpJumpIf:
if (numParams != 1)
error("kOpJumpIf had wrong number of params (%d)", numParams);
if (!lastResult)
break;
val1 = getArg(script[pos + 1], arg1);
debug(9, "jump if, by [%d/%d]=%d", script[pos + 1], arg1, val1);
pos += val1;
break;
case kOpJumpIfNotValue:
if (numParams != 2)
error("kOpJumpIfNotValue had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "jump if not [%d/%d]=%d", script[pos + 1], arg1, val1);
if (val1)
break;
debug(9, "--> jump by [%d/%d]=%d", script[pos + 2], arg2, val2);
pos += val2;
break;
case kOpJumpIfValue:
if (numParams != 2)
error("kOpJumpIfValue had wrong number of params (%d)", numParams);
val1 = getArg(script[pos + 1], arg1);
val2 = getArg(script[pos + 2], arg2);
debug(9, "jump if [%d/%d]=%d", script[pos + 1], arg1, val1);
if (!val1)
break;
debug(9, "--> jump by [%d/%d]=%d", script[pos + 2], arg2, val2);
pos += val2;
break;
default:
error("unknown script op 0x%02x", op);
}
pos += (1 + numParams);
if (op == kOpReturn)
break;
}
delete[] script;
_stack.resize(_stack.size() - 19);
}
int16 ComposerEngine::scriptFuncCall(uint16 id, int16 param1, int16 param2, int16 param3) {
switch (id) {
case kFuncPlayAnim:
debug(3, "kFuncPlayAnim(%d, %d, %d)", param1, param2, param3);
playAnimation(param1, param2, param3, 0);
return 1; // TODO: return 0 on failure
case kFuncStopAnim:
debug(3, "kFuncStopAnim(%d)", param1);
for (Common::List<Animation *>::iterator i = _anims.begin(); i != _anims.end(); i++) {
if ((*i)->_id == param1)
stopAnimation(*i);
}
return 0;
case kFuncQueueScript:
debug(3, "kFuncQueueScript(%d, %d, %d)", param1, param2, param3);
_queuedScripts[param1]._baseTime = _system->getMillis();
_queuedScripts[param1]._duration = 10 * param2;
_queuedScripts[param1]._count = 0xffffffff;
_queuedScripts[param1]._scriptId = param3;
return 0;
case kFuncDequeueScript:
debug(3, "kFuncDequeueScript(%d)", param1);
_queuedScripts[param1]._count = 0;
_queuedScripts[param1]._scriptId = 0;
return 0;
case kFuncSetCursor:
debug(3, "kSetCursor(%d, (%d, %d))", param1, param2, param3);
{
uint16 oldCursor = _mouseSpriteId;
setCursor(param1, Common::Point(param2, param3));
return oldCursor;
}
case kFuncGetCursor:
debug(3, "kFuncGetCursor()");
return _mouseSpriteId;
case kFuncShowCursor:
debug(3, "kFuncShowCursor()");
setCursorVisible(true);
return 0;
case kFuncHideCursor:
debug(3, "kFuncHideCursor()");
setCursorVisible(false);
return 0;
case kFuncActivateButton:
debug(3, "kFuncActivateButton(%d)", param1);
for (Common::List<Button>::iterator i = _buttons.begin(); i != _buttons.end(); i++) {
if (i->_id != param1)
continue;
i->_active = true;
}
onMouseMove(_lastMousePos);
return 1;
case kFuncDeactivateButton:
debug(3, "kFuncDeactivateButton(%d)", param1);
for (Common::List<Button>::iterator i = _buttons.begin(); i != _buttons.end(); i++) {
if (i->_id != param1)
continue;
i->_active = false;
}
onMouseMove(_lastMousePos);
return 1;
case kFuncNewPage:
debug(3, "kFuncNewPage(%d, %d)", param1, param2);
_pendingPageChanges.push_back(PendingPageChange(param1, true));
_pendingPageChanges.push_back(PendingPageChange(param2, false));
return 1;
case kFuncLoadPage:
debug(3, "kFuncLoadPage(%d)", param1);
_pendingPageChanges.push_back(PendingPageChange(param1, false));
return 1;
case kFuncUnloadPage:
debug(3, "ignoring kFuncUnloadPage(%d)", param1);
_pendingPageChanges.push_back(PendingPageChange(param1, true));
return 1;
case kFuncSetPalette:
// TODO: return 0 if not disabling (0) and doesn't exist
debug(4, "kFuncSetPalette(%d, %d)", param1, param2);
loadCTBL(param1, param2);
// TODO: incomplete?
return 1;
case kFuncSaveVars:
debug(3, "kFuncSaveVars(%d)", param1);
{
Common::String filename = _targetName + Common::String::format(".%03d", param1);
Common::WriteStream *stream = _saveFileMan->openForSaving(filename);
for (uint i = 0; i < 1000; i++) {
stream->writeUint16LE(_vars[i]);
}
delete stream;
}
return 1;
case kFuncLoadVars:
debug(3, "kFuncLoadVars(%d, %d, %d)", param1, param2, param3);
{
Common::String filename = _targetName + Common::String::format(".%03d", param1);
Common::SeekableReadStream *stream = _saveFileMan->openForLoading(filename);
if (!stream) {
if (!_bookIni.hasKey(Common::String::format("%d", param1), "Data"))
return 0;
filename = getFilename("Data", param1);
Common::File *file = new Common::File();
if (!file->open(filename))
error("couldn't open '%s' to get vars id '%d'", filename.c_str(), param1);
stream = file;
}
if (param3 == 0)
param3 = 1000;
else
param3 = param3;
if (param2 < 0 || param3 < 0 || param2 + param3 > 1000)
error("can't read %d entries into %d from file '%s' for vars id '%d'", param3, param2, filename.c_str(), param1);
stream->skip(param2 * 2);
for (uint i = 0; i < (uint)param3; i++) {
if (stream->pos() + 1 > stream->size())
break;
_vars[param2 + i] = stream->readUint16LE();
}
delete stream;
}
return 1;
case kFuncQueueScriptOnce:
debug(3, "kFuncQueueScriptOnce(%d, %d, %d)", param1, param2, param3);
_queuedScripts[param1]._baseTime = _system->getMillis();
_queuedScripts[param1]._duration = 10 * param2;
_queuedScripts[param1]._count = 1;
_queuedScripts[param1]._scriptId = param3;
return 0;
case kFuncGetMousePos:
// TODO
warning("ignoring kFuncGetMousePos(%d, %d)", param1, param2);
return 0;
case kFuncChangeBackground:
// TODO
warning("ignoring kFuncChangeBackground(%d)", param1);
// TODO: return 1 if background existed, else 0
return 0;
case kFuncSetBackgroundColor:
// TODO
warning("ignoring kFuncSetBackgroundColor(%d)", param1);
return 0;
case kFuncClearSprites:
// TODO
warning("ignoring kFuncClearSprites()");
return 0;
case kFuncAddSprite:
{
Common::Point pos(_vars[param3], _vars[param3 + 1]);
int16 zorder = _vars[param3 + 2];
debug(3, "kFuncAddSprite(%d, %d, [%d = (%d, %d), %d])", param1, param2, param3, pos.x, pos.y, zorder);
addSprite(param1, param2, zorder, pos);
}
return 0;
case kFuncRemoveSprite:
debug(3, "kFuncRemoveSprite(%d, %d)", param1, param2);
removeSprite(param1, param2);
return 0;
case kFuncQuit:
// TODO
warning("ignoring kFuncQuit()");
return 0;
case kFuncSaveData:
// TODO
warning("ignoring kFuncSaveData(%d, %d, %d)", param1, param2, param3);
return 1;
case kFuncLoadData:
debug(3, "kFuncLoadData(%d, %d, %d)", param1, param2, param3);
{
Common::String filename = getFilename("Data", param1);
Common::File *file = new Common::File();
if (!file->open(filename))
error("couldn't open '%s' to get data id '%d'", filename.c_str(), param1);
if (param3 == 0)
param3 = 1000;
else
param3 = param3;
if (param2 < 0 || param3 < 0 || param2 + param3 > 1000)
error("can't read %d entries into %d from file '%s' for data id '%d'", param3, param2, filename.c_str(), param1);
for (uint i = 0; i < (uint)param3; i++) {
if (file->pos() + 1 > file->size())
break;
_vars[param2 + i] = file->readUint16LE();
}
delete file;
}
return 1;
case kFuncGetSpriteSize:
debug(3, "kFuncGetSpriteSize(%d, %d, %d)", param1, param2, param3);
int16 width, height;
width = 0;
height = 0;
{
Common::SeekableReadStream *stream = getStreamForSprite(param1);
if (stream) {
stream->readUint16LE();
height = stream->readSint16LE();
width = stream->readSint16LE();
delete stream;
}
}
_vars[param2] = width;
_vars[param3] = height;
return 0;
default:
error("unknown scriptFuncCall %d(%d, %d, %d)", (uint32)id, param1, param2, param3);
}
}
} // End of namespace Composer