diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/script_movement.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/script_movement.c b/src/script_movement.c new file mode 100644 index 000000000..781235986 --- /dev/null +++ b/src/script_movement.c @@ -0,0 +1,225 @@ +#include "global.h" +#include "asm.h" +#include "task.h" + +extern const u32 gBitTable[]; +extern u8 *gUnknown_020384F8[]; + +extern void UnfreezeMapObject(struct MapObject *); +extern bool8 FieldObjectIsSpecialAnimActive(struct MapObject *); + +static void sub_80A2198(u8); +static u8 sub_80A21E0(void); +static bool8 sub_80A21F4(u8, u8, u8 *); +static u8 sub_80A2260(u8, u8); +static bool8 sub_80A2370(u8, u8); +static void sub_80A23C8(u8, u8, u8, u8 *); +static void sub_80A2408(u8); +static void Task_80A244C(u8); +static void sub_80A2490(u8, u8, u8, u8 *); + +bool8 exec_movement(u8 a, u8 b, u8 c, u8 *d) +{ + u8 mapObjId; + + if (TryGetFieldObjectIdByLocalIdAndMap(a, b, c, &mapObjId)) + return TRUE; + if (!FuncIsActiveTask(Task_80A244C)) + sub_80A2198(50); + return sub_80A21F4(sub_80A21E0(), mapObjId, d); +} + +bool8 sub_80A212C(u8 a, u8 b, u8 c) +{ + u8 mapObjId; + u8 r4; + u8 r1; + + if (TryGetFieldObjectIdByLocalIdAndMap(a, b, c, &mapObjId)) + return 1; + r4 = sub_80A21E0(); + r1 = sub_80A2260(r4, mapObjId); + if (r1 == 16) + return 1; + return sub_80A2370(r4, r1); +} + +void sub_80A2178(void) +{ + u8 taskId; + + taskId = sub_80A21E0(); + if (taskId != 0xFF) + { + sub_80A2408(taskId); + DestroyTask(taskId); + } +} + +static void sub_80A2198(u8 priority) +{ + u8 taskId; + u8 i; + + taskId = CreateTask(Task_80A244C, priority); + for (i = 1; i < 16; i++) + gTasks[taskId].data[i] = 0xFFFF; +} + +static u8 sub_80A21E0(void) +{ + return FindTaskIdByFunc(Task_80A244C); +} + +static bool8 sub_80A21F4(u8 taskId, u8 b, u8 *c) +{ + u8 r4; + + r4 = sub_80A2260(taskId, b); + if (r4 != 16) + { + if (sub_80A2370(taskId, r4) == 0) + return TRUE; + else + { + sub_80A23C8(taskId, r4, b, c); + return FALSE; + } + } + r4 = sub_80A2260(taskId, 0xFF); + if (r4 == 16) + return TRUE; + else + { + sub_80A23C8(taskId, r4, b, c); + return FALSE; + } +} + +static u8 sub_80A2260(u8 taskId, u8 b) +{ + u8 *ptr; + u8 i; + + ptr = (u8 *)&gTasks[taskId].data[1]; + for (i = 0; i < 16; i++, ptr++) + { + if (*ptr == b) + return i; + } + return 16; +} + +static void sub_80A229C(u8 taskId, u8 b, u8 **c) +{ + u8 i; + + *c = (u8 *)&gTasks[taskId].data[1]; + for (i = 0; i < b; i++, (*c)++) + ; +} + +static void sub_80A22D0(u8 taskId, u8 b, u8 c) +{ + u8 *ptr; + + sub_80A229C(taskId, b, &ptr); + *ptr = c; //what is this supposed to do? +} + +static void sub_80A22F4(u8 taskId, u8 b, u8 *c) +{ + u8 *ptr; + + sub_80A229C(taskId, b, &ptr); + *c = *ptr; +} + +static void sub_80A2318(u8 a, u8 b) +{ + u16 var = ~gBitTable[b]; + + gTasks[a].data[0] &= var; +} + +static void sub_80A2348(u8 taskId, u8 b) +{ + gTasks[taskId].data[0] |= gBitTable[b]; +} + +static bool8 sub_80A2370(u8 taskId, u8 b) +{ + u16 var = (u16)gTasks[taskId].data[0] & gBitTable[b]; + + if (var != 0) + return TRUE; + else + return FALSE; +} + +static void npc_obj_offscreen_culling_and_flag_update(u8 a, u8 *b) +{ + gUnknown_020384F8[a] = b; +} + +static u8 *sub_80A23B8(u8 a) +{ + return gUnknown_020384F8[a]; +} + +static void sub_80A23C8(u8 taskId, u8 b, u8 c, u8 *d) +{ + sub_80A2318(taskId, b); + npc_obj_offscreen_culling_and_flag_update(b, d); + sub_80A22D0(taskId, b, c); +} + +static void sub_80A2408(u8 a) +{ + u8 *ptr; + u8 i; + + ptr = (u8 *)&gTasks[a].data[1]; + for (i = 0; i < 16; i++, ptr++) + { + if (*ptr != 0xFF) + UnfreezeMapObject(&gMapObjects[*ptr]); + } +} + +static void Task_80A244C(u8 taskId) +{ + u8 i; + u8 var; + + for (i = 0; i < 16; i++) + { + sub_80A22F4(taskId, i, &var); + if (var != 0xFF) + sub_80A2490(taskId, i, var, sub_80A23B8(i)); + } +} + +static void sub_80A2490(u8 taskId, u8 b, u8 c, u8 *d) +{ + u8 var; + + if (FieldObjectIsSpecialAnimActive(&gMapObjects[c]) + && !FieldObjectClearAnimIfSpecialAnimFinished(&gMapObjects[c])) + return; + + var = *d; + if (var == 0xFE) + { + sub_80A2348(taskId, b); + FreezeMapObject(&gMapObjects[c]); + } + else + { + if (!FieldObjectSetSpecialAnim(&gMapObjects[c], var)) + { + d++; + npc_obj_offscreen_culling_and_flag_update(b, d); + } + } +} |