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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef DIRECTOR_UTIL_H
#define DIRECTOR_UTIL_H
namespace Common {
class String;
class FSNode;
class Path;
}
namespace Director {
int castNumToNum(const char *str);
char *numToCastNum(int num);
bool isAbsolutePath(const Common::String &path);
Common::Path toSafePath(const Common::String &path);
Common::String convertPath(const Common::String &path);
Common::String unixToMacPath(const Common::String &path);
Common::String getPath(const Common::String &path, const Common::String &cwd);
Common::Path resolveFSPath(const Common::String &path, const Common::Path &base, bool directory);
Common::Path resolvePathInner(const Common::String &path, const Common::Path &base, bool directory, const char *ext);
Common::Path resolvePath(const Common::String &path, const Common::Path &base, bool directory, const char **exts);
Common::Path resolvePartialPath(const Common::String &path, const Common::Path &base, bool directory, const char **exts);
Common::Path resolvePathWithFuzz(const Common::String &path, const Common::Path &base, bool directory, const char **exts);
Common::Path resolvePartialPathWithFuzz(const Common::String &path, const Common::Path &base, bool directory, const char **exts);
Common::Path findAbsolutePath(const Common::String &path, bool directory = false, const char **exts = nullptr);
Common::Path findPath(const Common::Path &path, bool currentFolder = true, bool searchPaths = true, bool directory = false, const char **exts = nullptr);
Common::Path findPath(const Common::String &path, bool currentFolder = true, bool searchPaths = true, bool directory = false, const char **exts = nullptr);
Common::Path findMoviePath(const Common::String &path, bool currentFolder = true, bool searchPaths = true);
Common::Path findXLibPath(const Common::String &path, bool currentFolder = true, bool searchPaths = true);
Common::Path findAudioPath(const Common::String &path, bool currentFolder = true, bool searchPaths = true);
Common::String getFileNameFromModal(bool save, const Common::String &suggested, const Common::String &title, const char *ext = "txt");
Common::String savePrefix();
bool hasExtension(Common::String filename);
Common::String getFileName(Common::String path);
Common::String stripMacPath(const char *name);
Common::String convertMacFilename(const char *name);
Common::Path dumpScriptName(const char *prefix, int type, int id, const char *ext);
Common::Path dumpFactoryName(const char *prefix, const char *name, const char *ext);
bool isButtonSprite(SpriteType spriteType);
class RandomState {
public:
uint32 _seed;
uint32 _mask;
uint32 _len;
RandomState() {
_seed = _mask = _len = 0;
}
void setSeed(int seed);
uint32 getSeed() { return _seed; }
int32 getRandom(int32 range);
private:
void init(int len);
int32 genNextRandom();
int32 perlin(int32 val);
};
uint32 readVarInt(Common::SeekableReadStream &stream);
Common::SeekableReadStreamEndian *readZlibData(Common::SeekableReadStream &stream, unsigned long len, unsigned long *outLen, bool bigEndian);
uint16 humanVersion(uint16 ver);
Common::Platform platformFromID(uint16 id);
Common::CodePage getEncoding(Common::Platform platform, Common::Language language);
Common::CodePage detectFontEncoding(Common::Platform platform, uint16 fontId);
int charToNum(Common::u32char_type_t ch);
Common::u32char_type_t numToChar(int num);
int compareStrings(const Common::String &s1, const Common::String &s2);
// Our implementation of strstr() with Director character order
const char *d_strstr(const char *str, const char *substr);
Common::String encodePathForDump(const Common::String &path);
Common::String utf8ToPrintable(const Common::String &str);
Common::String decodePlatformEncoding(Common::String input);
Common::String formatStringForDump(const Common::String &str);
inline byte lerpByte(byte a, byte b, int alpha, int span) {
int ai = static_cast<int>(a);
int bi = static_cast<int>(b);
span = CLIP<int>(span, 1, span);
alpha = CLIP<int>(alpha, 0, span);
return static_cast<byte>((bi * alpha + ai * (span - alpha)) / span);
}
inline void lerpPalette(byte *target, const byte *palA, int palALength, const byte *palB, int palBLength, int alpha, int span) {
for (int i = 0; i < 768; i++) {
target[i] = lerpByte(
i < palALength * 3 ? palA[i] : 0,
i < palBLength * 3 ? palB[i] : 0,
alpha,
span
);
}
}
} // End of namespace Director
double readAppleFloat80(void *ptr);
#endif
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