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tdegames/ksokoban/LevelCollection.cpp

425 lines
8.7 KiB

#include "LevelCollection.h"
#include "Map.h"
#include <qfile.h>
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <string.h>
#include <kconfig.h>
#include <kapplication.h>
static inline unsigned long
forward(unsigned long a, unsigned long b, unsigned long c, unsigned long d)
{
unsigned long x=(a^b)&0xfffffffful;
return (((x<<c)|(x>>((32ul-c)&31ul)))*d)&0xfffffffful;
}
static inline unsigned long
backward(unsigned long a, unsigned long b, unsigned long c, unsigned long d)
{
unsigned long x=(a*b)&0xfffffffful;
return (((x<<c)|(x>>((32ul-c)&31ul)))^d)&0xfffffffful;
}
void
LevelCollection::indexTextCollection() {
enum states {
BEFORE_NONE, BEFORE_VALID, BEFORE_INVALID,
DURING_NONE, DURING_VALID, DURING_INVALID
} state = BEFORE_NONE;
int levelstart=0, levelend=0;
for (unsigned pos=0; pos<(data_.size()-1); pos++) {
switch (state) {
case BEFORE_NONE:
switch (data_[pos]) {
case '#': case '.': case '$': case '+': case '*': case '@':
state = BEFORE_VALID;
break;
case ' ': case '\t': case '\r':
break;
case '\n':
levelstart = pos + 1;
break;
default:
state = BEFORE_INVALID;
break;
}
break;
case BEFORE_VALID:
switch (data_[pos]) {
case '#': case '.': case '$': case '+': case '*': case '@':
case ' ': case '\t': case '\r':
break;
case '\n':
addLevel(&data_[levelstart]);
levelend = levelstart;
state = DURING_NONE;
break;
default:
state = BEFORE_INVALID;
break;
}
break;
case BEFORE_INVALID:
switch (data_[pos]) {
case '\n':
levelstart = pos + 1;
state = BEFORE_NONE;
break;
}
break;
case DURING_NONE:
switch (data_[pos]) {
case '#': case '.': case '$': case '+': case '*': case '@':
state = DURING_VALID;
break;
case ' ': case '\t': case '\r':
break;
case '\n':
data_[levelend] = '\0';
levelstart = pos + 1;
state = BEFORE_NONE;
break;
default:
state = DURING_INVALID;
break;
}
break;
case DURING_VALID:
switch (data_[pos]) {
case '#': case '.': case '$': case '+': case '*': case '@':
case ' ': case '\t': case '\r':
break;
case '\n':
levelend = pos;
state = DURING_NONE;
break;
default:
state = DURING_INVALID;
break;
}
break;
case DURING_INVALID:
switch (data_[pos]) {
case '\n':
data_[levelend] = '\0';
levelstart = pos + 1;
state = BEFORE_NONE;
break;
}
break;
default:
assert(0);
}
}
if (state==DURING_NONE || state==DURING_INVALID) {
data_[levelend] = '\0';
}
}
void
LevelCollection::loadPrefs() {
if (id_ >= 0) {
KConfig *cfg=(KApplication::kApplication())->config();
cfg->setGroup("settings");
QString key;
key.sprintf("level%d", id_);
level_ = cfg->readNumEntry(key, 0);
key.sprintf("status%d", id_);
unsigned long x = cfg->readUnsignedLongNumEntry(key, 0);
x = backward(x, 0xc1136a15ul, 0x12ul, 0x80ff0b94ul);
x = backward(x, 0xd38fd2ddul, 0x01ul, 0xd4d657b4ul);
x = backward(x, 0x59004eeful, 0x1eul, 0xf6c75e2cul);
x = backward(x, 0x366c3e25ul, 0x0aul, 0x61ebc208ul);
x = backward(x, 0x20a784c9ul, 0x15ul, 0x207d488bul);
x = backward(x, 0xc02864abul, 0x09ul, 0x709e62a3ul);
x = backward(x, 0xe2a60f19ul, 0x0eul, 0x8bb02c07ul);
x = backward(x, 0x3b0e11f3ul, 0x13ul, 0x608aef3ful);
completedLevels_ = x>>16 & 0x3ff;
if (!cfg->hasKey(key)) completedLevels_ = 0;
if (((x>>26) & 0x3ful) != (unsigned long) id_) completedLevels_ = 0;
if ((x & 0xfffful) != (unsigned long) getuid()) completedLevels_ = 0;
if (completedLevels_ > noOfLevels_) completedLevels_ = 0;
if (level_ > completedLevels_) level_ = completedLevels_;
if (level_ >= noOfLevels_) level_ = noOfLevels_-1;
if (level_ < 0) level_ = 0;
} else {
level_ = 0;
completedLevels_ = noOfLevels_;
}
}
void
LevelCollection::addLevel(const char* _level) {
unsigned s = index_.size();
index_.resize(s + 1);
index_.insert(s, _level);
}
void
LevelCollection::addData(const char* _data, unsigned _len) {
unsigned pos = data_.size();
data_.resize(pos + _len);
memcpy(data_.data() + pos, _data, _len);
}
void
LevelCollection::addSeparator() {
unsigned pos = data_.size();
data_.resize(pos + 1);
data_[pos] = '\0';
}
LevelCollection::LevelCollection(const char *_def, int _len,
const QString &_name, int _id) :
level_(0), completedLevels_(0), noOfLevels_(0),
name_(_name), id_(_id) {
addData(_def, _len);
addSeparator();
indexTextCollection();
noOfLevels_ = index_.size();
loadPrefs();
}
LevelCollection::LevelCollection(const QString &_path, const QString &_name,
int _id) :
level_(0), completedLevels_(0), noOfLevels_(0),
name_(_name), path_(_path), id_(_id) {
char buf[1024];
int len;
QFile file(path_);
if (file.open(IO_Raw | IO_ReadOnly)) {
while ((len = file.readBlock(buf, 1024)) > 0) {
addData((const char *) buf, len);
}
file.close();
addSeparator();
}
indexTextCollection();
noOfLevels_ = index_.size();
loadPrefs();
}
LevelCollection::~LevelCollection() {
if (id_ >= 0) {
KConfig *cfg=(KApplication::kApplication())->config();
cfg->setGroup ("settings");
QString key;
key.sprintf("level%d", id_);
cfg->writeEntry(key, level_, true, false, false);
}
}
void
LevelCollection::levelCompleted() {
if (completedLevels_ < (level_+1)) completedLevels_ = level_+1;
if (id_ >= 0) {
unsigned long x=(((unsigned long) getuid()) & 0xfffful);
x |= ((unsigned long) id_)<<26;
x |= ((unsigned long) completedLevels_)<<16;
x = forward(x, 0x608aef3ful, 0x0dul, 0xfb00ef3bul);
x = forward(x, 0x8bb02c07ul, 0x12ul, 0x2a37dd29ul);
x = forward(x, 0x709e62a3ul, 0x17ul, 0x23607603ul);
x = forward(x, 0x207d488bul, 0x0bul, 0xc31fd579ul);
x = forward(x, 0x61ebc208ul, 0x16ul, 0xbcffadadul);
x = forward(x, 0xf6c75e2cul, 0x02ul, 0xa2baa00ful);
x = forward(x, 0xd4d657b4ul, 0x1ful, 0x7e129575ul);
x = forward(x, 0x80ff0b94ul, 0x0eul, 0x92fc153dul);
QString key;
key.sprintf("status%d", id_);
KConfig *cfg=(KApplication::kApplication())->config();
cfg->setGroup("settings");
cfg->writeEntry(key, x, true, false, false);
cfg->sync();
}
}
void
LevelCollection::level(int _level) {
assert(_level >= 0 && _level < noOfLevels_);
level_ = _level;
if (level_ > completedLevels_) level_ = completedLevels_;
if (level_ >= noOfLevels_) level_ = noOfLevels_ - 1;
if (level_ < 0) level_ = 0;
}
static int
minX(const char *def) {
int min_x = 10000;
int x=0;
for (int pos=0; def[pos]; pos++) {
switch(def[pos]) {
case '\n':
x = 0;
break;
case ' ':
x++;
break;
case '\t':
x = (x+8) & ~7;
break;
case '\r':
break;
default:
if (x < min_x) min_x = x;
break;
}
}
return min_x == 10000 ? -1 : min_x;
}
bool
LevelCollection::loadLevel(Map *_map) {
_map->clearMap();
const char *def = index_[level_];
bool goodMap = true;
int x=0, y=0, goalsLeft=0;
int min_x = minX(def);
if (min_x < 0) {
min_x = 0;
goodMap = false;
}
_map->xpos_ = -1;
_map->ypos_ = -1;
for (int pos=0; def[pos]; pos++) {
switch(def[pos]) {
case '\n':
y++;
x = 0;
break;
case ' ':
x++;
break;
case '\t':
x = (x+8) & ~7;
break;
case '@':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else {
_map->xpos_ = x-min_x;
_map->ypos_ = y;
}
x++;
break;
case '$':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else _map->map(x-min_x, y, OBJECT);
x++;
break;
case '.':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else {
_map->map(x-min_x, y, GOAL);
goalsLeft++;
}
x++;
break;
case '#':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else _map->map(x-min_x, y, WALL);
x++;
break;
case '+':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else {
_map->xpos_ = x-min_x;
_map->ypos_ = y;
_map->map(x-min_x, y, GOAL);
goalsLeft++;
}
x++;
break;
case '*':
if (x-min_x > MAX_X || y > MAX_Y) goodMap = false;
else _map->map(x-min_x, y, OBJECT|GOAL);
x++;
break;
case '\r':
break;
default:
goodMap = false;
break;
}
}
if (_map->objectsLeft() != goalsLeft) goodMap = false;
if (_map->completed()) goodMap = false;
if (_map->badCoords(_map->xpos_, _map->ypos_)) goodMap = false;
else {
if (!_map->empty(_map->xpos_, _map->ypos_)) goodMap = false;
else if (!_map->fillFloor(_map->xpos_, _map->ypos_)) goodMap = false;
}
return goodMap;
}