aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/engine/segment.h
diff options
context:
space:
mode:
Diffstat (limited to 'engines/sci/engine/segment.h')
-rw-r--r--engines/sci/engine/segment.h853
1 files changed, 765 insertions, 88 deletions
diff --git a/engines/sci/engine/segment.h b/engines/sci/engine/segment.h
index de7f60ac16..c5295c5523 100644
--- a/engines/sci/engine/segment.h
+++ b/engines/sci/engine/segment.h
@@ -24,7 +24,7 @@
#define SCI_ENGINE_SEGMENT_H
#include "common/serializer.h"
-
+#include "common/str.h"
#include "sci/engine/object.h"
#include "sci/engine/vm.h"
#include "sci/engine/vm_types.h" // for reg_t
@@ -70,7 +70,8 @@ enum SegmentType {
#ifdef ENABLE_SCI32
SEG_TYPE_ARRAY = 11,
- SEG_TYPE_STRING = 12,
+ // 12 used to be string, now obsolete
+ SEG_TYPE_BITMAP = 13,
#endif
SEG_TYPE_MAX // For sanity checking
@@ -199,33 +200,57 @@ struct Node {
struct List {
reg_t first;
reg_t last;
+
+#ifdef ENABLE_SCI32
+ /**
+ * The next node for each level of recursion during iteration over this list
+ * by kListEachElementDo.
+ */
+ reg_t nextNodes[10];
+
+ /**
+ * The current level of recursion of kListEachElementDo for this list.
+ */
+ int numRecursions;
+
+ List() : numRecursions(0) {}
+#endif
};
struct Hunk {
void *mem;
- unsigned int size;
+ uint32 size;
const char *type;
};
template<typename T>
struct SegmentObjTable : public SegmentObj {
typedef T value_type;
- struct Entry : public T {
+ struct Entry {
+ T *data;
int next_free; /* Only used for free entries */
};
enum { HEAPENTRY_INVALID = -1 };
-
int first_free; /**< Beginning of a singly linked list for entries */
int entries_used; /**< Statistical information */
- Common::Array<Entry> _table;
+ typedef Common::Array<Entry> ArrayType;
+ ArrayType _table;
public:
SegmentObjTable(SegmentType type) : SegmentObj(type) {
initTable();
}
+ ~SegmentObjTable() {
+ for (uint i = 0; i < _table.size(); i++) {
+ if (isValidEntry(i)) {
+ freeEntry(i);
+ }
+ }
+ }
+
void initTable() {
entries_used = 0;
first_free = HEAPENTRY_INVALID;
@@ -239,10 +264,13 @@ public:
first_free = _table[oldff].next_free;
_table[oldff].next_free = oldff;
+ assert(_table[oldff].data == nullptr);
+ _table[oldff].data = new T;
return oldff;
} else {
uint newIdx = _table.size();
_table.push_back(Entry());
+ _table.back().data = new T;
_table[newIdx].next_free = newIdx; // Tag as 'valid'
return newIdx;
}
@@ -261,6 +289,8 @@ public:
::error("Table::freeEntry: Attempt to release invalid table index %d", idx);
_table[idx].next_free = first_free;
+ delete _table[idx].data;
+ _table[idx].data = nullptr;
first_free = idx;
entries_used--;
}
@@ -272,6 +302,14 @@ public:
tmp.push_back(make_reg(segId, i));
return tmp;
}
+
+ uint size() const { return _table.size(); }
+
+ T &at(uint index) { return *_table[index].data; }
+ const T &at(uint index) const { return *_table[index].data; }
+
+ T &operator[](uint index) { return at(index); }
+ const T &operator[](uint index) const { return at(index); }
};
@@ -323,13 +361,13 @@ struct HunkTable : public SegmentObjTable<Hunk> {
}
void freeEntryContents(int idx) {
- free(_table[idx].mem);
- _table[idx].mem = 0;
+ free(at(idx).mem);
+ at(idx).mem = 0;
}
virtual void freeEntry(int idx) {
- SegmentObjTable<Hunk>::freeEntry(idx);
freeEntryContents(idx);
+ SegmentObjTable<Hunk>::freeEntry(idx);
}
virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr) {
@@ -370,144 +408,783 @@ public:
#ifdef ENABLE_SCI32
-template<typename T>
-class SciArray {
+#pragma mark -
+#pragma mark Arrays
+
+enum SciArrayType {
+ kArrayTypeInt16 = 0,
+ kArrayTypeID = 1,
+ kArrayTypeByte = 2,
+ kArrayTypeString = 3,
+ // Type 4 was for 32-bit integers; never used
+ kArrayTypeInvalid = 5
+};
+
+enum SciArrayTrim {
+ kArrayTrimRight = 1, ///< Trim whitespace after the last non-whitespace character
+ kArrayTrimCenter = 2, ///< Trim whitespace between non-whitespace characters
+ kArrayTrimLeft = 4 ///< Trim whitespace before the first non-whitespace character
+};
+
+class SciArray : public Common::Serializable {
public:
- SciArray() : _type(-1), _data(NULL), _size(0), _actualSize(0) { }
+ SciArray() :
+ _type(kArrayTypeInvalid),
+ _size(0),
+ _data(nullptr) {}
- SciArray(const SciArray<T> &array) {
+ SciArray(const SciArray &array) {
_type = array._type;
_size = array._size;
- _actualSize = array._actualSize;
- _data = new T[_actualSize];
+ _elementSize = array._elementSize;
+ _data = malloc(_elementSize * _size);
assert(_data);
- memcpy(_data, array._data, _size * sizeof(T));
+ memcpy(_data, array._data, _elementSize * _size);
}
- SciArray<T>& operator=(const SciArray<T> &array) {
+ SciArray &operator=(const SciArray &array) {
if (this == &array)
return *this;
- delete[] _data;
+ free(_data);
_type = array._type;
_size = array._size;
- _actualSize = array._actualSize;
- _data = new T[_actualSize];
+ _elementSize = array._elementSize;
+ _data = malloc(_elementSize * _size);
assert(_data);
- memcpy(_data, array._data, _size * sizeof(T));
+ memcpy(_data, array._data, _elementSize * _size);
return *this;
}
virtual ~SciArray() {
- destroy();
+ free(_data);
+ _size = 0;
+ _type = kArrayTypeInvalid;
}
- virtual void destroy() {
- delete[] _data;
- _data = NULL;
- _type = -1;
- _size = _actualSize = 0;
- }
+ void saveLoadWithSerializer(Common::Serializer &s);
- void setType(byte type) {
- if (_type >= 0)
- error("SciArray::setType(): Type already set");
+ /**
+ * Returns the type of this array.
+ */
+ SciArrayType getType() const {
+ return _type;
+ }
+ /**
+ * Sets the type of this array. The type of the array may only be set once.
+ */
+ void setType(const SciArrayType type) {
+ assert(_type == kArrayTypeInvalid);
+ switch(type) {
+ case kArrayTypeInt16:
+ case kArrayTypeID:
+ _elementSize = sizeof(reg_t);
+ break;
+ case kArrayTypeString:
+ _elementSize = sizeof(char);
+ break;
+ case kArrayTypeByte:
+ _elementSize = sizeof(byte);
+ break;
+ default:
+ error("Invalid array type %d", type);
+ }
_type = type;
}
- void setSize(uint32 size) {
- if (_type < 0)
- error("SciArray::setSize(): No type set");
+ /**
+ * Returns the size of the array, in elements.
+ */
+ uint16 size() const {
+ return _size;
+ }
- // Check if we don't have to do anything
- if (_size == size)
- return;
+ /**
+ * Returns the size of the array, in bytes.
+ */
+ uint16 byteSize() const {
+ return _size * _elementSize;
+ }
- // Check if we don't have to expand the array
- if (size <= _actualSize) {
- _size = size;
- return;
+ /**
+ * Ensures the array is large enough to store at least the given number of
+ * values given in `newSize`. If `force` is true, the array will be resized
+ * to store exactly `newSize` values. New values are initialized to zero.
+ */
+ void resize(uint16 newSize, const bool force = false) {
+ if (force || newSize > _size) {
+ _data = realloc(_data, _elementSize * newSize);
+ if (newSize > _size) {
+ memset((byte *)_data + _elementSize * _size, 0, (newSize - _size) * _elementSize);
+ }
+ _size = newSize;
+ }
+ }
+
+ /**
+ * Shrinks a string array to its optimal size.
+ */
+ void snug() {
+ assert(_type == kArrayTypeString || _type == kArrayTypeByte);
+ resize(strlen((char *)_data) + 1, true);
+ }
+
+ /**
+ * Returns a pointer to the array's raw data storage.
+ */
+ void *getRawData() { return _data; }
+ const void *getRawData() const { return _data; }
+
+ /**
+ * Gets the value at the given index as a reg_t.
+ */
+ reg_t getAsID(const uint16 index) {
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ switch(_type) {
+ case kArrayTypeInt16:
+ case kArrayTypeID:
+ return ((reg_t *)_data)[index];
+ case kArrayTypeByte:
+ case kArrayTypeString: {
+ int16 value;
+
+ if (getSciVersion() < SCI_VERSION_2_1_MIDDLE) {
+ value = ((int8 *)_data)[index];
+ } else {
+ value = ((uint8 *)_data)[index];
+ }
+
+ return make_reg(0, value);
+ }
+ default:
+ error("Invalid array type %d", _type);
+ }
+ }
+
+ /**
+ * Sets the value at the given index from a reg_t.
+ */
+ void setFromID(const uint16 index, const reg_t value) {
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ switch(_type) {
+ case kArrayTypeInt16:
+ case kArrayTypeID:
+ ((reg_t *)_data)[index] = value;
+ break;
+ case kArrayTypeByte:
+ case kArrayTypeString:
+ ((byte *)_data)[index] = value.toSint16();
+ break;
+ default:
+ error("Invalid array type %d", _type);
+ }
+ }
+
+ /**
+ * Gets the value at the given index as an int16.
+ */
+ int16 getAsInt16(const uint16 index) {
+ assert(_type == kArrayTypeInt16);
+
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ const reg_t value = ((reg_t *)_data)[index];
+ assert(value.isNumber());
+ return value.toSint16();
+ }
+
+ /**
+ * Sets the value at the given index from an int16.
+ */
+ void setFromInt16(const uint16 index, const int16 value) {
+ assert(_type == kArrayTypeInt16);
+
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index + 1);
+ } else {
+ assert(index < _size);
+ }
+
+ ((reg_t *)_data)[index] = make_reg(0, value);
+ }
+
+ /**
+ * Returns a reference to the byte at the given index. Only valid for
+ * string and byte arrays.
+ */
+ byte &byteAt(const uint16 index) {
+ assert(_type == kArrayTypeString || _type == kArrayTypeByte);
+
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ return ((byte *)_data)[index];
+ }
+
+ /**
+ * Returns a reference to the char at the given index. Only valid for
+ * string and byte arrays.
+ */
+ char &charAt(const uint16 index) {
+ assert(_type == kArrayTypeString || _type == kArrayTypeByte);
+
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ return ((char *)_data)[index];
+ }
+
+ /**
+ * Returns a reference to the reg_t at the given index. Only valid for ID
+ * and int16 arrays.
+ */
+ reg_t &IDAt(const uint16 index) {
+ assert(_type == kArrayTypeID || _type == kArrayTypeInt16);
+
+ if (getSciVersion() >= SCI_VERSION_3) {
+ resize(index);
+ } else {
+ assert(index < _size);
+ }
+
+ return ((reg_t *)_data)[index];
+ }
+
+ /**
+ * Reads values from the given reg_t pointer and sets them in the array,
+ * growing the array if needed to store all values.
+ */
+ void setElements(const uint16 index, uint16 count, const reg_t *values) {
+ resize(index + count);
+
+ switch (_type) {
+ case kArrayTypeInt16:
+ case kArrayTypeID: {
+ const reg_t *source = values;
+ reg_t *target = (reg_t *)_data + index;
+ while (count--) {
+ *target++ = *source++;
+ }
+ break;
}
+ case kArrayTypeByte:
+ case kArrayTypeString: {
+ const reg_t *source = values;
+ byte *target = (byte *)_data + index;
+ while (count--) {
+ if (!source->isNumber()) {
+ error("Non-number %04x:%04x sent to byte or string array", PRINT_REG(*source));
+ }
+ *target++ = source->getOffset();
+ ++source;
+ }
+ break;
+ }
+ default:
+ error("Attempted write to SciArray with invalid type %d", _type);
+ }
+ }
- // So, we're going to have to create an array of some sort
- T *newArray = new T[size];
- memset(newArray, 0, size * sizeof(T));
+ /**
+ * Fills the array with the given value. Existing values will be
+ * overwritten. The array will be grown if needed to store all values.
+ */
+ void fill(const uint16 index, uint16 count, const reg_t value) {
+ if (count == 65535 /* -1 */) {
+ count = size() - index;
+ }
- // Check if we never created an array before
- if (!_data) {
- _size = _actualSize = size;
- _data = newArray;
+ if (!count) {
return;
}
- // Copy data from the old array to the new
- memcpy(newArray, _data, _size * sizeof(T));
+ resize(index + count);
- // Now set the new array to the old and set the sizes
- delete[] _data;
- _data = newArray;
- _size = _actualSize = size;
+ switch (_type) {
+ case kArrayTypeInt16:
+ case kArrayTypeID: {
+ reg_t *target = (reg_t *)_data + index;
+ while (count--) {
+ *target = value;
+ }
+ break;
+ }
+ case kArrayTypeByte:
+ case kArrayTypeString: {
+ byte *target = (byte *)_data + index;
+ const byte fillValue = value.getOffset();
+ while (count--) {
+ *target = fillValue;
+ }
+ break;
+ }
+ case kArrayTypeInvalid:
+ error("Attempted write to uninitialized SciArray");
+ }
}
- T getValue(uint16 index) const {
- if (index >= _size)
- error("SciArray::getValue(): %d is out of bounds (%d)", index, _size);
+ /**
+ * Copies values from the source array. Both arrays will be grown if needed
+ * to prevent out-of-bounds reads/writes.
+ */
+ void copy(SciArray &source, const uint16 sourceIndex, const uint16 targetIndex, uint16 count) {
+ if (count == 65535 /* -1 */) {
+ count = source.size() - sourceIndex;
+ }
+
+ if (!count) {
+ return;
+ }
+
+ resize(targetIndex + count);
+ source.resize(sourceIndex + count);
- return _data[index];
+ assert(source._elementSize == _elementSize);
+
+ const byte *sourceData = (byte *)source._data + sourceIndex * source._elementSize;
+ byte *targetData = (byte *)_data + targetIndex * _elementSize;
+ memmove(targetData, sourceData, count * _elementSize);
+ }
+
+ void byteCopy(const SciArray &source, const uint16 sourceOffset, const uint16 targetOffset, const uint16 count) {
+ error("SciArray::byteCopy not implemented");
}
- void setValue(uint16 index, T value) {
- if (index >= _size)
- error("SciArray::setValue(): %d is out of bounds (%d)", index, _size);
+ /**
+ * Removes whitespace from string data held in this array.
+ */
+ void trim(const int8 flags, const char showChar) {
+ enum {
+ kWhitespaceBoundary = 32,
+ kAsciiBoundary = 128
+ };
+
+ byte *data = (byte *)_data;
+ byte *source;
+ byte *target;
+
+ if (flags & kArrayTrimLeft) {
+ target = data;
+ source = data;
+ while (*source != '\0' && *source != showChar && *source <= kWhitespaceBoundary) {
+ ++source;
+ }
+ strcpy((char *)target, (char *)source);
+ }
+
+ if (flags & kArrayTrimRight) {
+ source = data + strlen((char *)data) - 1;
+ while (source > data && *source != showChar && *source <= kWhitespaceBoundary) {
+ --source;
+ }
+ *source = '\0';
+ }
- _data[index] = value;
+ if (flags & kArrayTrimCenter) {
+ target = data;
+ while (*target && *target <= kWhitespaceBoundary && *target != showChar) {
+ ++target;
+ }
+
+ if (*target) {
+ while (*target && (*target > kWhitespaceBoundary || *target == showChar)) {
+ ++target;
+ }
+
+ if (*target) {
+ source = target;
+ while (*source) {
+ while (*source && *source <= kWhitespaceBoundary && *source != showChar) {
+ ++source;
+ }
+
+ while (*source && (*source > kWhitespaceBoundary || *source == showChar)) {
+ *target++ = *source++;
+ }
+ }
+
+ --source;
+ while (source > target && (*source <= kWhitespaceBoundary || *source >= kAsciiBoundary) && *source != showChar) {
+ --source;
+ }
+ ++source;
+
+ memmove(target, source, strlen((char *)source) + 1);
+ }
+ }
+ }
}
- byte getType() const { return _type; }
- uint32 getSize() const { return _size; }
- T *getRawData() { return _data; }
- const T *getRawData() const { return _data; }
+ /**
+ * Copies the string data held by this array into a new Common::String.
+ */
+ Common::String toString() const {
+ assert(_type == kArrayTypeString);
+ return Common::String((char *)_data);
+ }
-protected:
- int8 _type;
- T *_data;
- uint32 _size; // _size holds the number of entries that the scripts have requested
- uint32 _actualSize; // _actualSize is the actual numbers of entries allocated
-};
+ /**
+ * Copies the string from the given Common::String into this array.
+ */
+ void fromString(const Common::String &string) {
+ // At least LSL6hires uses a byte-type array to hold string data
+ assert(_type == kArrayTypeString || _type == kArrayTypeByte);
+ resize(string.size() + 1, true);
+ Common::strlcpy((char *)_data, string.c_str(), string.size() + 1);
+ }
-class SciString : public SciArray<char> {
-public:
- SciString() : SciArray<char>() { setType(3); }
+ Common::String toDebugString() const {
+ const char *type;
+ switch(_type) {
+ case kArrayTypeID:
+ type = "reg_t";
+ break;
+ case kArrayTypeByte:
+ type = "byte";
+ break;
+ case kArrayTypeInt16:
+ type = "int16";
+ break;
+ case kArrayTypeString:
+ type = "string";
+ break;
+ case kArrayTypeInvalid:
+ type = "invalid";
+ break;
+ }
- // We overload destroy to ensure the string type is 3 after destroying
- void destroy() { SciArray<char>::destroy(); _type = 3; }
+ return Common::String::format("type %s; %u entries; %u bytes", type, size(), byteSize());
+ }
- Common::String toString() const;
- void fromString(const Common::String &string);
+protected:
+ void *_data;
+ SciArrayType _type;
+ uint16 _size;
+ uint8 _elementSize;
};
-struct ArrayTable : public SegmentObjTable<SciArray<reg_t> > {
- ArrayTable() : SegmentObjTable<SciArray<reg_t> >(SEG_TYPE_ARRAY) {}
+struct ArrayTable : public SegmentObjTable<SciArray> {
+ ArrayTable() : SegmentObjTable<SciArray>(SEG_TYPE_ARRAY) {}
- virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr);
virtual Common::Array<reg_t> listAllOutgoingReferences(reg_t object) const;
void saveLoadWithSerializer(Common::Serializer &ser);
SegmentRef dereference(reg_t pointer);
};
-struct StringTable : public SegmentObjTable<SciString> {
- StringTable() : SegmentObjTable<SciString>(SEG_TYPE_STRING) {}
+#pragma mark -
+#pragma mark Bitmaps
- virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr) {
- _table[sub_addr.getOffset()].destroy();
- freeEntry(sub_addr.getOffset());
+enum {
+ kDefaultSkipColor = 250
+};
+
+#define BITMAP_PROPERTY(size, property, offset)\
+inline uint##size get##property() const {\
+ return READ_SCI11ENDIAN_UINT##size(_data + (offset));\
+}\
+inline void set##property(uint##size value) {\
+ WRITE_SCI11ENDIAN_UINT##size(_data + (offset), (value));\
+}
+
+struct BitmapTable;
+
+/**
+ * A convenience class for creating and modifying in-memory
+ * bitmaps.
+ */
+class SciBitmap : public Common::Serializable {
+ byte *_data;
+ int _dataSize;
+ Buffer _buffer;
+ bool _gc;
+
+public:
+ enum BitmapFlags {
+ kBitmapRemap = 2
+ };
+
+ /**
+ * Gets the size of the bitmap header for the current
+ * engine version.
+ */
+ static inline uint16 getBitmapHeaderSize() {
+ // TODO: These values are accurate for each engine, but there may be no reason
+ // to not simply just always use size 40, since SCI2.1mid does not seem to
+ // actually store any data above byte 40, and SCI2 did not allow bitmaps with
+ // scaling resolutions other than the default (320x200). Perhaps SCI3 used
+ // the extra bytes, or there is some reason why they tried to align the header
+ // size with other headers like pic headers?
+// uint32 bitmapHeaderSize;
+// if (getSciVersion() >= SCI_VERSION_2_1_MIDDLE) {
+// bitmapHeaderSize = 46;
+// } else if (getSciVersion() == SCI_VERSION_2_1_EARLY) {
+// bitmapHeaderSize = 40;
+// } else {
+// bitmapHeaderSize = 36;
+// }
+// return bitmapHeaderSize;
+ return 46;
+ }
+
+ /**
+ * Gets the byte size of a bitmap with the given width
+ * and height.
+ */
+ static inline uint32 getBitmapSize(const uint16 width, const uint16 height) {
+ return width * height + getBitmapHeaderSize();
+ }
+
+ inline SciBitmap() : _data(nullptr), _dataSize(0), _gc(true) {}
+
+ inline SciBitmap(const SciBitmap &other) {
+ _dataSize = other._dataSize;
+ _data = (byte *)malloc(other._dataSize);
+ memcpy(_data, other._data, other._dataSize);
+ if (_dataSize) {
+ _buffer = Buffer(getWidth(), getHeight(), getPixels());
+ }
+ _gc = other._gc;
+ }
+
+ inline ~SciBitmap() {
+ free(_data);
+ _data = nullptr;
+ _dataSize = 0;
+ }
+
+ inline SciBitmap &operator=(const SciBitmap &other) {
+ if (this == &other) {
+ return *this;
+ }
+
+ free(_data);
+ _dataSize = other._dataSize;
+ _data = (byte *)malloc(other._dataSize);
+ memcpy(_data, other._data, _dataSize);
+ if (_dataSize) {
+ _buffer = Buffer(getWidth(), getHeight(), getPixels());
+ }
+ _gc = other._gc;
+
+ return *this;
+ }
+
+ /**
+ * Allocates and initialises a new bitmap.
+ */
+ inline void create(const int16 width, const int16 height, const uint8 skipColor, const int16 originX, const int16 originY, const int16 xResolution, const int16 yResolution, const uint32 paletteSize, const bool remap, const bool gc) {
+
+ _dataSize = getBitmapSize(width, height) + paletteSize;
+ _data = (byte *)realloc(_data, _dataSize);
+ _gc = gc;
+
+ const uint16 bitmapHeaderSize = getBitmapHeaderSize();
+
+ setWidth(width);
+ setHeight(height);
+ setOrigin(Common::Point(originX, originY));
+ setSkipColor(skipColor);
+ _data[9] = 0;
+ WRITE_SCI11ENDIAN_UINT16(_data + 10, 0);
+ setRemap(remap);
+ setDataSize(width * height);
+ WRITE_SCI11ENDIAN_UINT32(_data + 16, 0);
+ setHunkPaletteOffset(paletteSize > 0 ? (width * height) : 0);
+ setDataOffset(bitmapHeaderSize);
+ setUncompressedDataOffset(bitmapHeaderSize);
+ setControlOffset(0);
+ setXResolution(xResolution);
+ setYResolution(yResolution);
+
+ _buffer = Buffer(getWidth(), getHeight(), getPixels());
+ }
+
+ inline int getRawSize() const {
+ return _dataSize;
+ }
+
+ inline byte *getRawData() const {
+ return _data;
+ }
+
+ inline Buffer &getBuffer() {
+ return _buffer;
+ }
+
+ inline bool getShouldGC() const {
+ return _gc;
+ }
+
+ inline void enableGC() {
+ _gc = true;
+ }
+
+ inline void disableGC() {
+ _gc = false;
+ }
+
+ BITMAP_PROPERTY(16, Width, 0);
+ BITMAP_PROPERTY(16, Height, 2);
+
+ inline Common::Point getOrigin() const {
+ return Common::Point(
+ (int16)READ_SCI11ENDIAN_UINT16(_data + 4),
+ (int16)READ_SCI11ENDIAN_UINT16(_data + 6)
+ );
+ }
+
+ inline void setOrigin(const Common::Point &origin) {
+ WRITE_SCI11ENDIAN_UINT16(_data + 4, (uint16)origin.x);
+ WRITE_SCI11ENDIAN_UINT16(_data + 6, (uint16)origin.y);
+ }
+
+ inline uint8 getSkipColor() const {
+ return _data[8];
+ }
+
+ inline void setSkipColor(const uint8 skipColor) {
+ _data[8] = skipColor;
+ }
+
+ inline bool getRemap() const {
+ return READ_SCI11ENDIAN_UINT16(_data + 10) & kBitmapRemap;
+ }
+
+ inline void setRemap(const bool remap) {
+ uint16 flags = READ_SCI11ENDIAN_UINT16(_data + 10);
+ if (remap) {
+ flags |= kBitmapRemap;
+ } else {
+ flags &= ~kBitmapRemap;
+ }
+ WRITE_SCI11ENDIAN_UINT16(_data + 10, flags);
+ }
+
+ BITMAP_PROPERTY(32, DataSize, 12);
+
+ inline uint32 getHunkPaletteOffset() const {
+ return READ_SCI11ENDIAN_UINT32(_data + 20);
+ }
+
+ inline void setHunkPaletteOffset(uint32 hunkPaletteOffset) {
+ if (hunkPaletteOffset) {
+ hunkPaletteOffset += getBitmapHeaderSize();
+ }
+
+ WRITE_SCI11ENDIAN_UINT32(_data + 20, hunkPaletteOffset);
+ }
+
+ BITMAP_PROPERTY(32, DataOffset, 24);
+
+ // NOTE: This property is used as a "magic number" for
+ // validating that a block of memory is a valid bitmap,
+ // and so is always set to the size of the header.
+ BITMAP_PROPERTY(32, UncompressedDataOffset, 28);
+
+ // NOTE: This property always seems to be zero
+ BITMAP_PROPERTY(32, ControlOffset, 32);
+
+ inline uint16 getXResolution() const {
+ if (getDataOffset() >= 40) {
+ return READ_SCI11ENDIAN_UINT16(_data + 36);
+ }
+
+ // SCI2 bitmaps did not have scaling ability
+ return 320;
+ }
+
+ inline void setXResolution(uint16 xResolution) {
+ if (getDataOffset() >= 40) {
+ WRITE_SCI11ENDIAN_UINT16(_data + 36, xResolution);
+ }
+ }
+
+ inline uint16 getYResolution() const {
+ if (getDataOffset() >= 40) {
+ return READ_SCI11ENDIAN_UINT16(_data + 38);
+ }
+
+ // SCI2 bitmaps did not have scaling ability
+ return 200;
+ }
+
+ inline void setYResolution(uint16 yResolution) {
+ if (getDataOffset() >= 40) {
+ WRITE_SCI11ENDIAN_UINT16(_data + 38, yResolution);
+ }
+ }
+
+ inline byte *getPixels() {
+ return _data + getUncompressedDataOffset();
+ }
+
+ inline byte *getHunkPalette() {
+ if (getHunkPaletteOffset() == 0) {
+ return nullptr;
+ }
+ return _data + getHunkPaletteOffset();
+ }
+
+ virtual void saveLoadWithSerializer(Common::Serializer &ser);
+
+ void applyRemap(SciArray &clut) {
+ const int length = getWidth() * getHeight();
+ uint8 *pixel = getPixels();
+ for (int i = 0; i < length; ++i) {
+ const int16 color = clut.getAsInt16(*pixel);
+ assert(color >= 0 && color <= 255);
+ *pixel++ = (uint8)color;
+ }
+ }
+
+ Common::String toString() const {
+ return Common::String::format("%dx%d; res %dx%d; origin %dx%d; skip color %u; %s; %s)",
+ getWidth(), getHeight(),
+ getXResolution(), getYResolution(),
+ getOrigin().x, getOrigin().y,
+ getSkipColor(),
+ getRemap() ? "remap" : "no remap",
+ getShouldGC() ? "GC" : "no GC");
+ }
+};
+
+#undef BITMAP_PROPERTY
+
+struct BitmapTable : public SegmentObjTable<SciBitmap> {
+ BitmapTable() : SegmentObjTable<SciBitmap>(SEG_TYPE_BITMAP) {}
+
+ SegmentRef dereference(reg_t pointer) {
+ SegmentRef ret;
+ ret.isRaw = true;
+ ret.maxSize = at(pointer.getOffset()).getRawSize();
+ ret.raw = at(pointer.getOffset()).getRawData();
+ return ret;
}
void saveLoadWithSerializer(Common::Serializer &ser);
- SegmentRef dereference(reg_t pointer);
};
#endif