#ifndef _VM_H
#define _VM_H

#ifdef _WIN32
#define EXPORT_FN __cdecl
#else
#define EXPORT_FN
#endif




typedef int (EXPORT_FN *sys_calldll_t) (int arg, ...);
typedef int (*sys_callqvm_t) (void *offset, unsigned int mask, int fn, const int *arg);

typedef struct vm_s vm_t;

// for syscall users
#define VM_LONG(x)		(*(int*)&(x))
#define VM_FLOAT(x)		(*(float*)&(x))
#define VM_POINTER(x)	((x)?(void*)((char *)offset+((x)%mask)):NULL)
#define VM_OOB(p,l)		(p + l >= mask || VM_POINTER(p) < offset)
// ------------------------- * interface * -------------------------

void VM_PrintInfo(vm_t *vm);
vm_t *VM_Create(vm_t *vm, const char *name, sys_calldll_t syscalldll, sys_callqvm_t syscallqvm);
void VM_Destroy(vm_t *vm);
qboolean VM_Restart(vm_t *vm);
int VARGS VM_Call(vm_t *vm, int instruction, ...);
void *VM_MemoryBase(vm_t *vm);



//plugin functions
#ifdef PLUGINS
qboolean Plug_Menu_Event(int eventtype, int param);
qboolean Plugin_ExecuteString(void);
void Plug_ResChanged(void);
void Plug_Tick(void);
void Plug_Init(void);

void Plug_SBar(void);
void Plug_DrawReloadImages(void);
int Plug_ConnectionlessClientPacket(char *buffer, int size);

qboolean Plug_ChatMessage(char *buffer, int talkernum, int tpflags);
qboolean Plug_ServerMessage(char *buffer, int messagelevel);
qboolean Plug_CenterPrintMessage(char *buffer, int clientnum);
#endif




#ifdef VM_UI
qboolean UI_Command(void);
void UI_Init (void);
void UI_Restart_f(void);
void UI_Stop (void);
qboolean UI_Q2LayoutChanged(void);
void UI_StringChanged(int num);
void UI_MousePosition(int xpos, int ypos);
int UI_MenuState(void);
qboolean UI_KeyPress(int key, qboolean down);
void UI_Reset(void);
void UI_DrawMenu(void);
qboolean UI_DrawStatusBar(int scores);
qboolean UI_DrawIntermission(void);
qboolean UI_DrawFinale(void);
int UI_MenuState(void);

//sans botlib
struct pc_token_s;
int Script_LoadFile(char *filename);
void Script_Free(int handle);
int Script_Read(int handle, struct pc_token_s *token);
void Script_Get_File_And_Line(int handle, char *filename, int *line);
#endif

#define VM_FS_READ 0
#define VM_FS_WRITE 1
#define VM_FS_APPEND 2
#define VM_FS_APPEND2 3	//I don't know, don't ask me. look at q3 source
int VM_fopen (char *name, int *handle, int fmode, int owner);
int VM_FRead (char *dest, int quantity, int fnum, int owner);
void VM_fclose (int fnum, int owner);
void VM_fcloseall (int owner);
int VM_GetFileList(char *path, char *ext, char *output, int buffersize);

#ifdef VM_CG
void CG_Stop (void);
void CG_Start (void);
int CG_Refresh(void);
qboolean CG_Command(void);
qboolean CG_KeyPress(int key, int down);
#endif

#endif