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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
ClearCmdQueue::
ld hl, wCmdQueue
ld de, CMDQUEUE_ENTRY_SIZE
ld c, CMDQUEUE_CAPACITY
xor a
.loop
ld [hl], a
add hl, de
dec c
jr nz, .loop
ret
HandleCmdQueue::
ld hl, wCmdQueue
xor a
.loop
ldh [hMapObjectIndex], a
ld a, [hl]
and a
jr z, .skip
push hl
ld b, h
ld c, l
call HandleQueuedCommand
pop hl
.skip
ld de, CMDQUEUE_ENTRY_SIZE
add hl, de
ldh a, [hMapObjectIndex]
inc a
cp CMDQUEUE_CAPACITY
jr nz, .loop
ret
GetNthCmdQueueEntry: ; unreferenced
ld hl, wCmdQueue
ld bc, CMDQUEUE_ENTRY_SIZE
call AddNTimes
ld b, h
ld c, l
ret
WriteCmdQueue::
push bc
push de
call .GetNextEmptyEntry
ld d, h
ld e, l
pop hl
pop bc
ret c
ld a, b
ld bc, CMDQUEUE_ENTRY_SIZE - 1
call FarCopyBytes
xor a
ld [hl], a
ret
.GetNextEmptyEntry:
ld hl, wCmdQueue
ld de, CMDQUEUE_ENTRY_SIZE
ld c, CMDQUEUE_CAPACITY
.loop
ld a, [hl]
and a
jr z, .done
add hl, de
dec c
jr nz, .loop
scf
ret
.done
ld a, CMDQUEUE_CAPACITY
sub c
and a
ret
DelCmdQueue::
ld hl, wCmdQueue
ld de, CMDQUEUE_ENTRY_SIZE
ld c, CMDQUEUE_CAPACITY
.loop
ld a, [hl]
cp b
jr z, .done
add hl, de
dec c
jr nz, .loop
and a
ret
.done
xor a
ld [hl], a
scf
ret
_DelCmdQueue:
ld hl, CMDQUEUE_TYPE
add hl, bc
ld [hl], 0
ret
HandleQueuedCommand:
ld hl, CMDQUEUE_TYPE
add hl, bc
ld a, [hl]
cp NUM_CMDQUEUE_TYPES
jr c, .okay
xor a
.okay
ld e, a
ld d, 0
ld hl, .Jumptable
add hl, de
add hl, de
add hl, de
ld a, [hli]
push af
ld a, [hli]
ld h, [hl]
ld l, a
pop af
rst FarCall
ret
.Jumptable:
dba CmdQueue_Null
dba CmdQueue_Type1
dba CmdQueue_StoneTable
dba CmdQueue_Type3
dba CmdQueue_Type4
CmdQueues_AnonJumptable:
ld hl, CMDQUEUE_05
add hl, bc
ld a, [hl]
pop hl
rst JumpTable
ret
CmdQueues_IncAnonJumptableIndex:
ld hl, CMDQUEUE_05
add hl, bc
inc [hl]
ret
CmdQueues_DecAnonJumptableIndex: ; unreferenced
ld hl, CMDQUEUE_05
add hl, bc
dec [hl]
ret
CmdQueue_Null:
ret
CmdQueue_Type1:
call SetXYCompareFlags
ret
CmdQueue_Type4:
call CmdQueues_AnonJumptable
.anon_dw
dw .zero
dw .one
.zero
ldh a, [hSCY]
ld hl, CMDQUEUE_04
add hl, bc
ld [hl], a
call CmdQueues_IncAnonJumptableIndex
.one
ld hl, CMDQUEUE_ADDR
add hl, bc
ld a, [hl]
dec a
ld [hl], a
jr z, .finish
and 1
jr z, .add
ld hl, CMDQUEUE_02
add hl, bc
ldh a, [hSCY]
sub [hl]
ldh [hSCY], a
ret
.add
ld hl, CMDQUEUE_02
add hl, bc
ldh a, [hSCY]
add [hl]
ldh [hSCY], a
ret
.finish
ld hl, CMDQUEUE_04
add hl, bc
ld a, [hl]
ldh [hSCY], a
call _DelCmdQueue
ret
CmdQueue_Type3:
ret
CmdQueue_StoneTable:
ld de, wPlayerStruct
ld a, NUM_OBJECT_STRUCTS
.loop
push af
ld hl, OBJECT_SPRITE
add hl, de
ld a, [hl]
and a
jr z, .next
ld hl, OBJECT_MOVEMENTTYPE
add hl, de
ld a, [hl]
cp SPRITEMOVEDATA_STRENGTH_BOULDER
jr nz, .next
ld hl, OBJECT_NEXT_TILE
add hl, de
ld a, [hl]
call CheckPitTile
jr nz, .next
ld hl, OBJECT_DIRECTION_WALKING
add hl, de
ld a, [hl]
cp STANDING
jr nz, .next
call HandleStoneQueue
jr c, .fall_down_hole
.next
ld hl, OBJECT_LENGTH
add hl, de
ld d, h
ld e, l
pop af
dec a
jr nz, .loop
ret
.fall_down_hole
pop af
ret
|
