diff options
Diffstat (limited to 'src/autojump.c')
| -rw-r--r-- | src/autojump.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/src/autojump.c b/src/autojump.c index a8a21ca..6d0fbda 100644 --- a/src/autojump.c +++ b/src/autojump.c @@ -24,7 +24,6 @@ #include "hook.h" #include "intdefs.h" #include "langext.h" -#include "mem.h" #include "os.h" #include "vcall.h" @@ -33,20 +32,21 @@ REQUIRE_GAMEDATA(off_mv) REQUIRE_GAMEDATA(vtidx_CheckJumpButton) REQUIRE_GLOBAL(factory_client) // note: server will never be null -DEF_ACCESSORS(struct CMoveData *, mv) +struct CGameMovement { void **vtable; }; +DEF_ACCESSORS(struct CGameMovement, struct CMoveData *, mv) -DEF_FEAT_CVAR(sst_autojump, "Jump upon hitting the ground while holding space", 0, - CON_REPLICATE | CON_DEMO) +DEF_FEAT_CVAR(sst_autojump, "Jump upon hitting the ground while holding space", + 0, CON_REPLICATE | CON_DEMO) #define NIDX 256 // *completely* arbitrary lol static bool justjumped[NIDX] = {0}; static inline int handleidx(ulong h) { return h & (1 << 11) - 1; } -static void *gmsv = 0, *gmcl = 0; -typedef bool (*VCALLCONV CheckJumpButton_func)(void *); +static struct CGameMovement *gmsv = 0, *gmcl = 0; +typedef bool (*VCALLCONV CheckJumpButton_func)(struct CGameMovement *); static CheckJumpButton_func origsv, origcl; -static bool VCALLCONV hooksv(void *this) { +static bool VCALLCONV hooksv(struct CGameMovement *this) { struct CMoveData *mv = get_mv(this); int idx = handleidx(mv->playerhandle); if (con_getvari(sst_autojump) && mv->firstrun && !justjumped[idx]) { @@ -57,7 +57,7 @@ static bool VCALLCONV hooksv(void *this) { return ret; } -static bool VCALLCONV hookcl(void *this) { +static bool VCALLCONV hookcl(struct CGameMovement *this) { struct CMoveData *mv = get_mv(this); // FIXME: this will stutter in the rare case where justjumped is true. // currently doing clientside justjumped handling makes multiplayer @@ -68,9 +68,8 @@ static bool VCALLCONV hookcl(void *this) { return justjumped[0] = origcl(this); } -static bool unprot(void *gm) { - void **vtable = mem_loadptr(gm); - bool ret = os_mprot(vtable + vtidx_CheckJumpButton, sizeof(void *), +static bool unprot(struct CGameMovement *gm) { + bool ret = os_mprot(gm->vtable + vtidx_CheckJumpButton, sizeof(void *), PAGE_READWRITE); if (!ret) errmsg_errorsys("couldn't make virtual table writable"); return ret; @@ -99,9 +98,9 @@ INIT { return FEAT_FAIL; } if_cold (!unprot(gmcl)) return FEAT_FAIL; - origsv = (CheckJumpButton_func)hook_vtable(*(void ***)gmsv, + origsv = (CheckJumpButton_func)hook_vtable(gmsv->vtable, vtidx_CheckJumpButton, (void *)&hooksv); - origcl = (CheckJumpButton_func)hook_vtable(*(void ***)gmcl, + origcl = (CheckJumpButton_func)hook_vtable(gmcl->vtable, vtidx_CheckJumpButton, (void *)&hookcl); if (GAMETYPE_MATCHES(Portal1)) { @@ -119,8 +118,8 @@ INIT { } END { - unhook_vtable(*(void ***)gmsv, vtidx_CheckJumpButton, (void *)origsv); - unhook_vtable(*(void ***)gmcl, vtidx_CheckJumpButton, (void *)origcl); + unhook_vtable(gmsv->vtable, vtidx_CheckJumpButton, (void *)origsv); + unhook_vtable(gmcl->vtable, vtidx_CheckJumpButton, (void *)origcl); } // vi: sw=4 ts=4 noet tw=80 cc=80 |