sm64pc/src/game/object_collision.c

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2019-08-25 04:46:40 +00:00
#include <ultra64.h>
#include "sm64.h"
#include "mario.h"
#include "debug.h"
#include "spawn_object.h"
#include "object_list_processor.h"
struct Object *Unknown802C8460(struct Object *a) {
struct Object *sp24;
UNUSED s32 unused;
s32 i;
for (i = 0; i < a->numCollidedObjs; i++) {
print_debug_top_down_objectinfo("ON", 0);
sp24 = a->collidedObjs[i];
if (sp24 != gMarioObject)
return sp24;
}
return NULL;
}
int func_802C8504(struct Object *a, struct Object *b) {
f32 sp3C = a->oPosY - a->hitboxDownOffset;
f32 sp38 = b->oPosY - b->hitboxDownOffset;
f32 dx = a->oPosX - b->oPosX;
UNUSED f32 sp30 = sp3C - sp38;
f32 dz = a->oPosZ - b->oPosZ;
f32 collisionRadius = a->hitboxRadius + b->hitboxRadius;
f32 distance = sqrtf(dx * dx + dz * dz);
if (collisionRadius > distance) {
f32 sp20 = a->hitboxHeight + sp3C;
f32 sp1C = b->hitboxHeight + sp38;
if (sp3C > sp1C)
return 0;
if (sp20 < sp38)
return 0;
if (a->numCollidedObjs >= 4)
return 0;
if (b->numCollidedObjs >= 4)
return 0;
a->collidedObjs[a->numCollidedObjs] = b;
b->collidedObjs[b->numCollidedObjs] = a;
a->collidedObjInteractTypes |= b->oInteractType;
b->collidedObjInteractTypes |= a->oInteractType;
a->numCollidedObjs++;
b->numCollidedObjs++;
return 1;
}
//! no return value
}
int func_802C870C(struct Object *a, struct Object *b) {
f32 sp3C = a->oPosY - a->hitboxDownOffset;
f32 sp38 = b->oPosY - b->hitboxDownOffset;
f32 sp34 = a->oPosX - b->oPosX;
UNUSED f32 sp30 = sp3C - sp38;
f32 sp2C = a->oPosZ - b->oPosZ;
f32 sp28 = a->hurtboxRadius + b->hurtboxRadius;
f32 sp24 = sqrtf(sp34 * sp34 + sp2C * sp2C);
if (a == gMarioObject)
b->oUnk190 |= 2;
if (sp28 > sp24) {
f32 sp20 = a->hitboxHeight + sp3C;
f32 sp1C = b->hurtboxHeight + sp38;
if (sp3C > sp1C)
return 0;
if (sp20 < sp38)
return 0;
if (a == gMarioObject)
b->oUnk190 &= ~2;
return 1;
}
//! no return value
}
void func_802C88A8(struct Object *a) {
struct Object *sp4 = (struct Object *) a->header.next;
while (sp4 != a) {
sp4->numCollidedObjs = 0;
sp4->collidedObjInteractTypes = 0;
if (sp4->oIntangibleTimer > 0)
sp4->oIntangibleTimer--;
sp4 = (struct Object *) sp4->header.next;
}
}
void func_802C8918(struct Object *a, struct Object *b, struct Object *c) {
if (a->oIntangibleTimer == 0) {
while (b != c) {
if (b->oIntangibleTimer == 0) {
if (func_802C8504(a, b) && b->hurtboxRadius != 0.0f)
func_802C870C(a, b);
}
b = (struct Object *) b->header.next;
}
}
}
void func_802C89CC(void) {
struct Object *sp1C = (struct Object *) &gObjectLists[OBJ_LIST_PLAYER];
struct Object *sp18 = (struct Object *) sp1C->header.next;
while (sp18 != sp1C) {
func_802C8918(sp18, (struct Object *) sp18->header.next, sp1C);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_POLELIKE].next,
(struct Object *) &gObjectLists[OBJ_LIST_POLELIKE]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_LEVEL].next,
(struct Object *) &gObjectLists[OBJ_LIST_LEVEL]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_GENACTOR].next,
(struct Object *) &gObjectLists[OBJ_LIST_GENACTOR]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_PUSHABLE].next,
(struct Object *) &gObjectLists[OBJ_LIST_PUSHABLE]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_SURFACE].next,
(struct Object *) &gObjectLists[OBJ_LIST_SURFACE]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_DESTRUCTIVE].next,
(struct Object *) &gObjectLists[OBJ_LIST_DESTRUCTIVE]);
sp18 = (struct Object *) sp18->header.next;
}
}
void func_802C8AD4(void) {
struct Object *sp1C = (struct Object *) &gObjectLists[OBJ_LIST_PUSHABLE];
struct Object *sp18 = (struct Object *) sp1C->header.next;
while (sp18 != sp1C) {
func_802C8918(sp18, (struct Object *) sp18->header.next, sp1C);
sp18 = (struct Object *) sp18->header.next;
}
}
void func_802C8B50(void) {
struct Object *sp1C = (struct Object *) &gObjectLists[OBJ_LIST_DESTRUCTIVE];
struct Object *sp18 = (struct Object *) sp1C->header.next;
while (sp18 != sp1C) {
if (sp18->oDistanceToMario < 2000.0f && !(sp18->activeFlags & ACTIVE_FLAG_UNK9)) {
func_802C8918(sp18, (struct Object *) sp18->header.next, sp1C);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_GENACTOR].next,
(struct Object *) &gObjectLists[OBJ_LIST_GENACTOR]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_PUSHABLE].next,
(struct Object *) &gObjectLists[OBJ_LIST_PUSHABLE]);
func_802C8918(sp18, (struct Object *) gObjectLists[OBJ_LIST_SURFACE].next,
(struct Object *) &gObjectLists[OBJ_LIST_SURFACE]);
}
sp18 = (struct Object *) sp18->header.next;
}
}
void detect_object_collisions(void) {
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_POLELIKE]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_PLAYER]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_PUSHABLE]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_GENACTOR]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_LEVEL]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_SURFACE]);
func_802C88A8((struct Object *) &gObjectLists[OBJ_LIST_DESTRUCTIVE]);
func_802C89CC();
func_802C8B50();
func_802C8AD4();
}