blob: f4f98d34fec0f9eb4f2f192bbff0b21df536b280 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#ifndef D_FLAG_FLAG_INDEX_H
#define D_FLAG_FLAG_INDEX_H
#include "common.h"
/**
* @brief Defines a single story or item flag.
*/
struct FlagDefinition {
u8 mIndex;
u8 mShiftMask;
};
/**
* @brief Helper class for packing and unpacking flag data.
*
* Some flag managers store their data in a packed format, where
* flags have a variable number of bits and can appear in varied
* locations within a halfword.
*/
class FlagIndex {
u16 mDefinitionsCount;
FlagDefinition *mpDefinitions;
public:
u16 calculateMask(s32 shift);
void doNothing(u32 unused);
FlagIndex(u16 count, FlagDefinition *definitions);
void prepareIndexShiftMask(u16 counterIdx, u32 flagCount, u16 *pIndex, u8 *pShift, u16 *pMask);
u16 maskForIdx(u16 index, u16 flagCount);
u16 getCounterOrFlag(u16 counterIdx, const u16 *pData, u32 flagCount);
void setCounterOrFlag(u16 counterIdx, u16 *pData, u32 flagCount, u32 value);
u32 checkFlagValid(u16 counterIdx, u32 flagCount);
};
#endif
|
