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Diffstat (limited to 'src/common.hh')
| -rw-r--r-- | src/common.hh | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/common.hh b/src/common.hh new file mode 100644 index 0000000..b057465 --- /dev/null +++ b/src/common.hh @@ -0,0 +1,142 @@ +#ifndef TIBIA_COMMON_HH_ +#define TIBIA_COMMON_HH_ 1 + +#include <float.h> +#include <limits.h> +#include <stddef.h> +#include <stdarg.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <algorithm> + +typedef uint8_t uint8; +typedef uint16_t uint16; +typedef uint32_t uint32; +typedef uintptr_t uintptr; +typedef size_t usize; + +#define STATIC_ASSERT(expr) static_assert((expr), "static assertion failed: " #expr) +#define NARRAY(arr) (sizeof(arr) / sizeof(arr[0])) +#define ISPOW2(x) ((x) != 0 && ((x) & ((x) - 1)) == 0) +#define KB(x) ((usize)(x) << 10) +#define MB(x) ((usize)(x) << 20) +#define GB(x) ((usize)(x) << 30) + +// TODO(fusion): We might not actually compile the output for the decompilation +// step but if we did, we'd need to make sure we're compiling in 32 bits mode. +STATIC_ASSERT(sizeof(bool) == 1); +STATIC_ASSERT(sizeof(int) == 4); +//STATIC_ASSERT(sizeof(void*) == 4); + +#if !OS_WINDOWS && !OS_LINUX +# if defined(_WIN32) +# define OS_WINDOWS 1 +# elif defined(__linux__) || defined(__gnu_linux__) +# define OS_LINUX 1 +# else +# error "Operating system not supported." +# endif +#endif + +#if !COMPILER_MSVC && !COMPILER_GCC && !COMPILER_CLANG +# if defined(_MSC_VER) +# define COMPILER_MSVC 1 +# elif defined(__GNUC__) +# define COMPILER_GCC 1 +# elif defined(__clang__) +# define COMPILER_CLANG 1 +# endif +#endif + +// NOTE(fusion): Compiler attributes. +#if COMPILER_GCC || COMPILER_CLANG +# define ATTR_FALLTHROUGH __attribute__((fallthrough)) +# define ATTR_PRINTF(x, y) __attribute__((format(printf, x, y))) +#else +# define ATTR_FALLTHROUGH +# define ATTR_PRINTF(x, y) +#endif + +#if COMPILER_MSVC +# define TRAP() __debugbreak(); +#elif COMPILER_GCC || COMPILER_CLANG +# define TRAP() __builtin_trap() +#else +# define TRAP() abort() +#endif + +#define ASSERT_ALWAYS(expr) if(!(expr)) { TRAP(); } +#if BUILD_DEBUG +# define ASSERT(expr) ASSERT_ALWAYS(expr) +#else +# define ASSERT(expr) ((void)(expr)) +#endif + +// TODO(fusion): We should re-implement the multi-process structure used by the +// original code but only for reference. Making it compile on Windows shouldn't +// be too difficult either. Overall this design is outdated and should be reviewed. +// Nevertheless, we should focus on getting it working as intended, on the target +// platform (which is Linux 32-bits) before attempting to refine it. +//STATIC_ASSERT(OS_LINUX); +//#include <sys/types.h> +typedef int pid_t; +// + +// shm.cc +// ============================================================================= +void StartGame(void); +void CloseGame(void); +void EndGame(void); +bool LoginAllowed(void); +bool GameRunning(void); +bool GameStarting(void); +bool GameEnding(void); +pid_t GetGameThreadPID(void); +int GetPrintlogPosition(void); +char *GetPrintlogLine(int Line); +void IncrementObjectCounter(void); +void DecrementObjectCounter(void); +uint32 GetObjectCounter(void); +void IncrementPlayersOnline(void); +void DecrementPlayersOnline(void); +int GetPlayersOnline(void); +void IncrementNewbiesOnline(void); +void DecrementNewbiesOnline(void); +int GetNewbiesOnline(void); +void SetRoundNr(uint32 RoundNr); +uint32 GetRoundNr(void); +void SetCommand(int Command, char *Text); +int GetCommand(void); +char *GetCommandBuffer(void); +void InitSHM(bool Verbose); +void ExitSHM(void); +void InitSHMExtern(bool Verbose); +void ExitSHMExtern(void); + +// time.cc +// ============================================================================= +extern uint32 RoundNr; +extern uint32 ServerMilliseconds; + +void GetRealTime(int *Hour, int *Minute); +void GetTime(int *Hour, int *Minute); +void GetDate(int *Year, int *Cycle, int *Day); +void GetAmbiente(int *Brightness, int *Color); +uint32 GetRoundAtTime(int Hour, int Minute); +uint32 GetRoundForNextMinute(void); + +// util.cc +// ============================================================================= +typedef void TErrorFunction(const char *Text); +typedef void TPrintFunction(int Level, const char *Text); +void SetErrorFunction(TErrorFunction *Function); +void SetPrintFunction(TPrintFunction *Function); +void error(char *Text, ...) ATTR_PRINTF(1, 2); +void print(int Level, char *Text, ...) ATTR_PRINTF(1, 2); + +// + +#endif //TIBIA_COMMON_HH_ |