1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/**
* @file waterDrop.c
* @ingroup Enemies
*
* @brief Water Drop enemy
*/
#include "enemy.h"
#include "effects.h"
#include "object.h"
#include "asm.h"
#include "sound.h"
#include "room.h"
#include "physics.h"
#include "player.h"
#include "screen.h"
#include "vram.h"
void sub_0802A39C(Entity*);
void sub_0802A334(Entity*);
extern void (*const gUnk_080CD030[])(Entity*);
extern const u8 gUnk_080CD03C[];
extern const s8 gUnk_080CD040[];
void WaterDrop(Entity* this) {
gUnk_080CD030[this->action](this);
}
void sub_0802A250(Entity* this) {
Entity* entity;
this->action = 1;
this->timer = 0;
this->zVelocity = Q_16_16(-3.0);
this->speed = gUnk_080CD03C[Random() & 3];
this->direction = gUnk_080CD040[Random() & 3] + 0x18;
this->collisionLayer = 2;
InitializeAnimation(this, 0);
UpdateSpriteForCollisionLayer(this);
entity = CreateObject(WATER_DROP_OBJECT, 0, 0);
if (entity != NULL) {
entity->parent = this;
}
}
void sub_0802A2B4(Entity* this) {
if (!GravityUpdate(this, Q_8_8(40.0))) {
this->action = 2;
this->spritePriority.b0 = 7;
EnqueueSFX(SFX_WATER_SPLASH);
} else {
LinearMoveUpdate(this);
}
sub_0802A39C(this);
if (-8 < this->z.HALF.HI) {
sub_0802A334(this);
}
}
void sub_0802A2FC(Entity* this) {
GetNextFrame(this);
if (this->frame & ANIM_DONE) {
DeleteEntity(this);
} else if (this->frame & 1) {
COLLISION_OFF(this);
} else {
sub_0802A39C(this);
}
}
void sub_0802A334(Entity* this) {
u32 x = (this->x.HALF.HI - gRoomControls.scroll_x + gScreen.bg1.xOffset) >> 3;
u32 y = (this->y.HALF.HI - gRoomControls.scroll_y + gScreen.bg1.yOffset) >> 3;
if (gBG3Buffer[(x & 0x1fU) + (y & 0x1fU) * 0x20 + 0x400]) {
this->collisionLayer = 2;
} else {
this->collisionLayer = 1;
}
UpdateSpriteForCollisionLayer(this);
}
void sub_0802A39C(Entity* this) {
u32 x = (gPlayerEntity.base.x.HALF.HI - gRoomControls.scroll_x + gScreen.bg1.xOffset) >> 3;
u32 y = (gPlayerEntity.base.y.HALF.HI - gRoomControls.scroll_y + gScreen.bg1.yOffset - 10) >> 3;
if (gBG3Buffer[(x & 0x1fU) + (y & 0x1fU) * 0x20 + 0x400]) {
COLLISION_OFF(this);
} else {
COLLISION_ON(this);
}
}
// clang-format off
void (*const gUnk_080CD030[])(Entity*) = {
sub_0802A250,
sub_0802A2B4,
sub_0802A2FC,
};
const u8 gUnk_080CD03C[] = {
0x60, 0x80,
0xA0, 0xC0,
};
const s8 gUnk_080CD040[] = {
-2, -1, -1, -3,
};
// clang-format on
|
