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Document actor.params bits allocation

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an "ammendment" for 57951edb82

somehow haven't saved the changes that time
This commit is contained in:
feacur 2024-11-14 02:21:40 +01:00
parent 57951edb82
commit 406349987f
1 changed files with 25 additions and 18 deletions
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27
src/overlays/actors/ovl_En_Go/z_en_go.c
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@ -86,7 +86,21 @@ static AnimationSpeedInfo sAnimationInfo[] = {
{ &gGoronSidestepLoopAnim, 1.0f, ANIMMODE_LOOP_INTERP, -10.0f }, { &gGoronSidestepLoopAnim, 1.0f, ANIMMODE_LOOP_INTERP, -10.0f },
}; };
/*
* `actor.params bits` allocation:
* path 0123............
* type ....4567........
* cage ........89ABCDEF
*/
#define ENGO_GET_PATH_INDEX(this) PARAMS_GET_U((this)->actor.params, 0, 4)
#define ENGO_GET_TYPE(this) PARAMS_GET_NOSHIFT((this)->actor.params, 4, 4) #define ENGO_GET_TYPE(this) PARAMS_GET_NOSHIFT((this)->actor.params, 4, 4)
#define ENGO_CAGED_SWITCH_FLAG(this) PARAMS_GET_NOMASK((this)->actor.params, 8)
#define ENGO_PATH_INDEX_MAX NBITS_TO_MASK(4)
#define ENGO_IS_CAGE_OPEN(this, play) Flags_GetSwitch(play, ENGO_CAGED_SWITCH_FLAG(this))
#define ENGO_GET_SPEED_SCALE(this) (ENGO_GET_TYPE(this) == ENGO_TYPE_DMT_BIGGORON ? 0.5f : 1.0f)
// clang-format off
typedef enum EnGoType { typedef enum EnGoType {
ENGO_TYPE_CITY_LINK = (0 << 4), ENGO_TYPE_CITY_LINK = (0 << 4),
ENGO_TYPE_FIRE_GENERIC = (1 << 4), ENGO_TYPE_FIRE_GENERIC = (1 << 4),
@ -98,14 +112,7 @@ typedef enum EnGoType {
ENGO_TYPE_CITY_LOST_WOODS = (7 << 4), ENGO_TYPE_CITY_LOST_WOODS = (7 << 4),
ENGO_TYPE_DMT_BIGGORON = (9 << 4) ENGO_TYPE_DMT_BIGGORON = (9 << 4)
} EnGoType; } EnGoType;
// clang-format on
#define ENGO_GET_PATH_INDEX(this) PARAMS_GET_U((this)->actor.params, 0, 4)
#define ENGO_PATH_INDEX_NONE 0xF
#define ENGO_CAGED_SWITCH_FLAG(this) PARAMS_GET_NOMASK((this)->actor.params, 8)
#define ENGO_IS_CAGE_OPEN(this, play) Flags_GetSwitch(play, ENGO_CAGED_SWITCH_FLAG(this))
#define ENGO_GET_SPEED_SCALE(this) (ENGO_GET_TYPE(this) == ENGO_TYPE_DMT_BIGGORON ? 0.5f : 1.0f)
void EnGo_SetupAction(EnGo* this, EnGoActionFunc actionFunc) { void EnGo_SetupAction(EnGo* this, EnGoActionFunc actionFunc) {
this->actionFunc = actionFunc; this->actionFunc = actionFunc;
@ -496,7 +503,7 @@ s32 EnGo_FollowPath(EnGo* this, PlayState* play) {
f32 xDist; f32 xDist;
f32 zDist; f32 zDist;
if (ENGO_GET_PATH_INDEX(this) == ENGO_PATH_INDEX_NONE) { if (ENGO_GET_PATH_INDEX(this) == ENGO_PATH_INDEX_MAX) {
return false; return false;
} }
@ -531,7 +538,7 @@ s32 EnGo_SetMovedPos(EnGo* this, PlayState* play) {
Path* path; Path* path;
Vec3s* pointPos; Vec3s* pointPos;
if (ENGO_GET_PATH_INDEX(this) == ENGO_PATH_INDEX_NONE) { if (ENGO_GET_PATH_INDEX(this) == ENGO_PATH_INDEX_MAX) {
return false; return false;
} else { } else {
path = &play->pathList[ENGO_GET_PATH_INDEX(this)]; path = &play->pathList[ENGO_GET_PATH_INDEX(this)];