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Minor z_bgcheck documentation fixes (#675)

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* Fix minor documentation issues

* Update include/z64bgcheck.h

Co-authored-by: Roman971 <32455037+Roman971@users.noreply.github.com>

Co-authored-by: fig02 <fig02srl@gmail.com>
Co-authored-by: Roman971 <32455037+Roman971@users.noreply.github.com>
This commit is contained in:
mzxrules 2021-02-12 17:30:21 -05:00 committed by GitHub
parent 43bba20796
commit d373661acd
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 16 deletions
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7
include/z64bgcheck.h
View file

@ -11,6 +11,8 @@ struct DynaPolyActor;
#define COLPOLY_VIA_FLAG_TEST(vIA, flags) ((vIA) & (((flags)&7) << 13))
#define COLPOLY_VTX_INDEX(vI) ((vI)&0x1FFF)
#define DYNAPOLY_INVALIDATE_LOOKUP (1 << 0)
#define BGACTOR_NEG_ONE -1
#define BG_ACTOR_MAX 50
#define BGCHECK_SCENE BG_ACTOR_MAX
@ -37,8 +39,9 @@ typedef struct {
union {
u16 vtxData[3];
struct {
/* 0x02 */ u16 flags_vIA; // 0xE000 is poly exclusion flags, 0x1FFF is vtxId
/* 0x04 */ u16 flags_vIB; // 0xE000 is ? flags, 0x1FFF is vtxId
/* 0x02 */ u16 flags_vIA; // 0xE000 is poly exclusion flags (xpFlags), 0x1FFF is vtxId
/* 0x04 */ u16 flags_vIB; // 0xE000 is flags, 0x1FFF is vtxId
// 0x2000 = poly IsConveyor surface
/* 0x06 */ u16 vIC;
};
};

29
src/code/z_bgcheck.c
View file

@ -18,7 +18,7 @@
#define BGCHECK_IGNORE_WALL (1 << 1)
#define BGCHECK_IGNORE_FLOOR (1 << 2)
// xpFlags
// poly exclusion flags (xpFlags)
#define COLPOLY_IGNORE_NONE 0
#define COLPOLY_IGNORE_CAMERA (1 << 0)
#define COLPOLY_IGNORE_ENTITY (1 << 1)
@ -2514,9 +2514,9 @@ void BgActor_SetActor(BgActor* bgActor, Actor* actor, CollisionHeader* colHeader
}
/**
* Test if the BgActor transform changed
* Test if the BgActor transform is the same
*/
s32 BgActor_HasTransformChanged(BgActor* bgActor) {
s32 BgActor_IsTransformUnchanged(BgActor* bgActor) {
return ScaleRotPos_Equals(&bgActor->prevTransform, &bgActor->curTransform);
}
@ -2571,7 +2571,7 @@ s32 DynaPoly_IsBgIdBgActor(s32 bgId) {
* Init DynaCollisionContext
*/
void DynaPoly_Init(GlobalContext* globalCtx, DynaCollisionContext* dyna) {
dyna->bitFlag = 1;
dyna->bitFlag = DYNAPOLY_INVALIDATE_LOOKUP;
DynaPoly_NullPolyList(&dyna->polyList);
DynaPoly_NullVtxList(&dyna->vtxList);
DynaSSNodeList_Initialize(globalCtx, &dyna->polyNodes);
@ -2623,7 +2623,7 @@ s32 DynaPoly_SetBgActor(GlobalContext* globalCtx, DynaCollisionContext* dyna, Ac
}
BgActor_SetActor(&dyna->bgActors[bgId], actor, colHeader);
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
dyna->bgActorFlags[bgId] &= ~2;
osSyncPrintf(VT_FGCOL(GREEN));
@ -2647,28 +2647,28 @@ Actor* DynaPoly_GetActor(CollisionContext* colCtx, s32 bgId) {
void func_8003EBF8(GlobalContext* globalCtx, DynaCollisionContext* dyna, s32 bgId) {
if (DynaPoly_IsBgIdBgActor(bgId)) {
dyna->bgActorFlags[bgId] |= 4;
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
}
void func_8003EC50(GlobalContext* globalCtx, DynaCollisionContext* dyna, s32 bgId) {
if (DynaPoly_IsBgIdBgActor(bgId)) {
dyna->bgActorFlags[bgId] &= ~4;
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
}
void func_8003ECA8(GlobalContext* globalCtx, DynaCollisionContext* dyna, s32 bgId) {
if (DynaPoly_IsBgIdBgActor(bgId)) {
dyna->bgActorFlags[bgId] |= 8;
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
}
void func_8003ED00(GlobalContext* globalCtx, DynaCollisionContext* dyna, s32 bgId) {
if (DynaPoly_IsBgIdBgActor(bgId)) {
dyna->bgActorFlags[bgId] &= ~8;
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
}
@ -2710,7 +2710,7 @@ void DynaPoly_DeleteBgActor(GlobalContext* globalCtx, DynaCollisionContext* dyna
}
void func_8003EE6C(GlobalContext* globalCtx, DynaCollisionContext* dyna) {
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
/**
@ -2772,7 +2772,8 @@ void DynaPoly_ExpandSRT(GlobalContext* globalCtx, DynaCollisionContext* dyna, s3
? (void)0
: __assert("pdyna_poly_info->vert_num >= *pstart_vert_index + pbgdata->vtx_num", "../z_bgcheck.c", 6688);
if (!(dyna->bitFlag & 1) && (BgActor_HasTransformChanged(&dyna->bgActors[bgId]) == true)) {
if (!(dyna->bitFlag & DYNAPOLY_INVALIDATE_LOOKUP) &&
(BgActor_IsTransformUnchanged(&dyna->bgActors[bgId]) == true)) {
s32 pi;
for (pi = *polyStartIndex; pi < *polyStartIndex + pbgdata->nbPolygons; pi++) {
CollisionPoly* poly = &dyna->polyList[pi];
@ -2935,7 +2936,7 @@ void DynaPoly_Setup(GlobalContext* globalCtx, DynaCollisionContext* dyna) {
dyna->bgActorFlags[i] = 0;
BgActor_Initialize(globalCtx, &dyna->bgActors[i]);
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
if (dyna->bgActors[i].actor != NULL && dyna->bgActors[i].actor->update == NULL) {
// Delete BgActor
@ -2950,7 +2951,7 @@ void DynaPoly_Setup(GlobalContext* globalCtx, DynaCollisionContext* dyna) {
dyna->bgActorFlags[i] = 0;
BgActor_Initialize(globalCtx, &dyna->bgActors[i]);
dyna->bitFlag |= 1;
dyna->bitFlag |= DYNAPOLY_INVALIDATE_LOOKUP;
}
}
vtxStartIndex = 0;
@ -2960,7 +2961,7 @@ void DynaPoly_Setup(GlobalContext* globalCtx, DynaCollisionContext* dyna) {
DynaPoly_ExpandSRT(globalCtx, dyna, i, &vtxStartIndex, &polyStartIndex);
}
}
dyna->bitFlag &= ~1;
dyna->bitFlag &= ~DYNAPOLY_INVALIDATE_LOOKUP;
}
/**