ref: 9b4d7febd218e0a80a770ad5342fb4bc36d190d5
dir: /tagalong.c/
#include "tagalong.h"
#include "sprite_main.h"
#include "sprite.h"
#include "zelda_rtl.h"
#include "variables.h"
#include "snes/snes_regs.h"
#include "dungeon.h"
#include "overworld.h"
#include "ancilla.h"
#include "player.h"
#include "misc.h"
static const uint8 kTagalongFlags[4] = {0x20, 0x10, 0x30, 0x20};
static const uint8 kTagalong_Tab5[15] = {0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const uint8 kTagalong_Tab4[15] = {0, 0, 3, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const uint8 kTagalong_Tab0[3] = {5, 9, 0xa};
static const uint16 kTagalong_Tab1[3] = {0xdf3, 0x6f9, 0xdf3};
static const uint16 kTagalong_Msg[3] = {0x20, 0x108, 0x11d};
static const TagalongMessageInfo kTagalong_IndoorInfos[12] = {
{0x1ef0, 0x288, 1, 0x99, 4},
{0x1e58, 0x2f0, 2, 0x9a, 4},
{0x1ea8, 0x3b8, 4, 0x9b, 4},
{0xcf8, 0x25b, 1, 0x21, 1},
{0xcf8, 0x39d, 2, 0x21, 1},
{0xc78, 0x238, 4, 0x21, 1},
{0xa30, 0x2f8, 1, 0x22, 1},
{0x178, 0x550, 1, 0x23, 1},
{0x168, 0x4f8, 2, 0x2a, 1},
{0x1bd8, 0x16fc, 1, 0x124, 6},
{0x1520, 0x167c, 1, 0x124, 6},
{0x5ac, 0x4fc, 1, 0x29, 1},
};
static const TagalongMessageInfo kTagalong_OutdoorInfos[5] = {
{0x3c0, 0x730, 1, 0x9d, 4},
{0x648, 0xf50, 0, 0xffff, 0xa},
{0x6c8, 0xd78, 1, 0xffff, 0xa},
{0x688, 0xc78, 2, 0xffff, 0xa},
{0xe8, 0x90, 0, 0x28, 0xe},
};
static const uint8 kTagalong_IndoorOffsets[8] = {0, 3, 6, 7, 9, 10, 11, 12};
static const uint8 kTagalong_OutdoorOffsets[4] = {0, 1, 4, 5};
static const uint16 kTagalong_IndoorRooms[7] = {0xf1, 0x61, 0x51, 2, 0xdb, 0xab, 0x22};
static const uint16 kTagalong_OutdoorRooms[3] = {3, 0x5e, 0};
typedef struct TagalongSprXY {
int8 y1, x1, y2, x2;
} TagalongSprXY;
typedef struct TagalongDmaFlags {
uint8 dma6, dma7;
uint8 flags;
} TagalongDmaFlags;
static const TagalongSprXY kTagalongDraw_SprXY[56] = {
{-2, 0, 0, 0},
{-2, 0, 0, 0},
{-2, 0, 0, 0},
{-2, 0, 0, 0},
{-1, 0, 1, 0},
{-1, 0, 1, 0},
{-1, 0, 1, 0},
{-1, 0, 1, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{1, 0, 0, 0},
{1, 0, 0, 0},
{1, 0, 0, 0},
{1, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, -3, 0, 0},
{0, 3, 0, 0},
{1, 0, 0, 0},
{1, 0, 0, 0},
{1, -3, 1, 0},
{1, 3, 1, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{-1, 0, 0, 0},
{-1, 0, 0, 0},
{-1, 0, 0, 0},
{-1, 0, 0, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{0, 0, 1, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{2, 0, 0, 0},
{2, 0, 0, 0},
{2, -1, 0, 0},
{2, 1, 0, 0},
{3, 0, 1, 0},
{3, 0, 1, 0},
{3, -1, 1, 0},
{3, 1, 1, 0},
};
static const TagalongDmaFlags kTagalongDmaAndFlags[16] = {
{0x20, 0xc0, 0x00},
{0x00, 0xa0, 0x00},
{0x40, 0x60, 0x00},
{0x40, 0x60, 0x44},
{0x20, 0xc0, 0x04},
{0x00, 0xa0, 0x04},
{0x40, 0x80, 0x00},
{0x40, 0x80, 0x44},
{0x20, 0xe0, 0x00},
{0x00, 0xe0, 0x00},
{0x40, 0xe0, 0x00},
{0x40, 0xe0, 0x44},
{0x20, 0xe0, 0x04},
{0x00, 0xe0, 0x04},
{0x40, 0xe0, 0x04},
{0x40, 0xe0, 0x40},
};
static const uint8 kTagalongDraw_Pals[14] = {0, 4, 4, 4, 4, 0, 7, 4, 4, 3, 4, 4, 4, 4};
static const uint16 kTagalongDraw_Offs[14] = {0, 0, 0x80, 0x80, 0x80, 0, 0, 0xc0, 0xc0, 0x100, 0x180, 0x180, 0x140, 0x140};
static const uint8 kTagalongDraw_SprInfo0[24] = {
0xd8, 0x24, 0xd8, 0x64, 0xd9, 0x24, 0xd9, 0x64, 0xda, 0x24, 0xda, 0x64, 0xc8, 0x22, 0xc8, 0x62,
0xc9, 0x22, 0xc9, 0x62, 0xca, 0x22, 0xca, 0x62,
};
static const uint16 kTagalongDraw_SprOffs0[2] = {0x170, 0xc0};
static const uint16 kTagalongDraw_SprOffs1[2] = {0x1c0, 0x110};
bool Tagalong_IsFollowing() {
uint8 main = main_module_index;
uint8 sub = submodule_index;
return !flag_is_link_immobilized && sub != 10 && !(main == 9 && sub == 0x23) && !(main == 14 && (sub == 1 || sub == 2));
}
bool Follower_ValidateMessageFreedom() { // 87f46f
uint8 ps = link_player_handler_state;
if (ps != kPlayerState_Ground && ps != kPlayerState_Swimming && ps != kPlayerState_StartDash)
return false;
uint8 t = button_mask_b_y & 0x80 | link_unk_master_sword | link_item_in_hand |
link_position_mode | flag_is_ancilla_to_pick_up | flag_is_sprite_to_pick_up |
link_state_bits | link_grabbing_wall;
return t == 0;
}
void Follower_MoveTowardsLink() { // 88f91a
for(;;) {
int k = 9;
int j = tagalong_var1;
ancilla_y_lo[k] = tagalong_y_lo[j];
ancilla_y_hi[k] = tagalong_y_hi[j];
ancilla_x_lo[k] = tagalong_x_lo[j];
ancilla_x_hi[k] = tagalong_x_hi[j];
ProjectSpeedRet pt = Ancilla_ProjectSpeedTowardsPlayer(k, 24);
ancilla_x_vel[k] = pt.x;
ancilla_y_vel[k] = pt.y;
Ancilla_MoveY(k);
Ancilla_MoveX(k);
uint16 x = Ancilla_GetX(k);
uint16 y = Ancilla_GetY(k);
if (abs16(x - link_x_coord) < 2 && abs16(y - link_y_coord) < 2)
return;
k = ++tagalong_var1;
if (k == 18)
return;
tagalong_y_lo[k] = y;
tagalong_y_hi[k] = y >> 8;
tagalong_x_lo[k] = x;
tagalong_x_hi[k] = x >> 8;
static const uint8 kTagalongLayerBits[4] = {0x20, 0x10, 0x30, 0x20};
tagalong_layerbits[k] = kTagalongLayerBits[link_is_on_lower_level] >> 2 | 1;
}
}
bool Follower_CheckBlindTrigger() { // 899e90
int k = tagalong_var2;
uint16 x = tagalong_x_hi[k] << 8 | tagalong_x_lo[k];
uint16 y = tagalong_y_hi[k] << 8 | tagalong_y_lo[k];
uint16 z = (int8)tagalong_z[k];
y += z + 12;
x += 8;
return abs16(0x1568 - y) < 24 && abs16(0x1980 - x) < 24;
}
void Follower_Initialize() { // 899efc
tagalong_y_lo[0] = link_y_coord;
tagalong_y_hi[0] = link_y_coord >> 8;
tagalong_x_lo[0] = link_x_coord;
tagalong_x_hi[0] = link_x_coord >> 8;
tagalong_layerbits[0] = kTagalongFlags[link_is_on_lower_level] >> 2 | (link_direction_facing >> 1);
timer_tagalong_reacquire = 64;
tagalong_var2 = 0;
tagalong_var1 = 0;
tagalong_var3 = 0;
tagalong_var4 = 0;
link_speed_setting = 0;
if (enhanced_features0 & kFeatures0_TurnWhileDashing) {
link_player_handler_state = kPlayerState_Ground;
link_is_running = false;
}
}
void Sprite_BecomeFollower(int k) { // 899f39
tagalong_var5 = 0;
int y = Sprite_GetY(k) - 6;
tagalong_y_lo[0] = y, tagalong_y_hi[0] = (y >> 8);
int x = Sprite_GetX(k) + 1;
tagalong_x_lo[0] = x, tagalong_x_hi[0] = (x >> 8);
tagalong_layerbits[0] = kTagalongFlags[link_is_on_lower_level] >> 2 | 1;
timer_tagalong_reacquire = 64;
tagalong_var1 = 0;
tagalong_var2 = 0;
tagalong_var3 = 0;
tagalong_var4 = 0;
link_speed_setting = 0;
tagalong_var5 = 0;
follower_dropped = 0;
Follower_MoveTowardsLink();
}
void Follower_Main() { // 899fc4
if (!follower_indicator)
return;
if (follower_indicator == 0xe) {
Follower_HandleTrigger();
return;
}
int j = FindInByteArray(kTagalong_Tab0, follower_indicator, 3);
if (j >= 0 && submodule_index == 0 && !(j == 2 && overworld_screen_index & 0x40) && sign16(--word_7E02CD)) {
if (!Follower_ValidateMessageFreedom()) {
word_7E02CD = 0;
} else {
word_7E02CD = kTagalong_Tab1[j];
dialogue_message_index = kTagalong_Msg[j];
Main_ShowTextMessage();
}
}
if (j != 0)
Follower_NoTimedMessage();
}
void Follower_NoTimedMessage() { // 89a02b
int k;
if (follower_dropped) {
Follower_NotFollowing();
return;
}
if (follower_indicator == 12) {
if (link_auxiliary_state != 0)
goto label_a;
} else if (follower_indicator == 13) {
if (link_auxiliary_state == 2 || player_near_pit_state == 2)
goto label_c;
} else {
goto label_a;
}
if (submodule_index != 0 || link_auxiliary_state == 1 || (link_state_bits & 0x80) || tagalong_var5 || tagalong_var3 ||
(int8)tagalong_z[tagalong_var2] > 0 || !(filtered_joypad_L & 0x80))
goto label_a;
label_c:
if (follower_indicator == 13 && !player_is_indoors) {
if (link_player_handler_state == kPlayerState_Ether ||
link_player_handler_state == kPlayerState_Bombos ||
link_player_handler_state == kPlayerState_Quake)
goto label_a;
super_bomb_indicator_unk2 = 3;
super_bomb_indicator_unk1 = 0xbb;
}
follower_dropped = 128;
timer_tagalong_reacquire = 64;
k = tagalong_var2;
saved_tagalong_y = tagalong_y_lo[k] | tagalong_y_hi[k] << 8;
saved_tagalong_x = tagalong_x_lo[k] | tagalong_x_hi[k] << 8;
saved_tagalong_floor = link_is_on_lower_level;
saved_tagalong_indoors = player_is_indoors;
Follower_NotFollowing();
return;
label_a:
Follower_CheckGameMode();
}
void Follower_CheckGameMode() { // 89a0e1
if (Tagalong_IsFollowing() && (link_x_vel | link_y_vel)) {
int k = tagalong_var1 + 1;
if (k == 20)
k = 0;
tagalong_var1 = k;
uint8 z = link_z_coord;
if (z >= 0xf0)
z = 0;
tagalong_z[k] = z;
uint16 y = link_y_coord - z;
tagalong_y_lo[k] = y;
tagalong_y_hi[k] = y >> 8;
uint16 x = link_x_coord;
tagalong_x_lo[k] = x;
tagalong_x_hi[k] = x >> 8;
uint8 layerbits = link_direction_facing >> 1 | kTagalongFlags[link_is_on_lower_level] >> 2;
if (link_player_handler_state == kPlayerState_Swimming) {
layerbits |= 0x20;
} else {
if (link_player_handler_state == kPlayerState_Hookshot && related_to_hookshot)
layerbits |= 0x10;
if (draw_water_ripples_or_grass)
layerbits |= (draw_water_ripples_or_grass == 1) ? 0x80 : 0x40;
}
tagalong_layerbits[k] = layerbits;
}
switch (follower_indicator) {
case 2: case 4:
Follower_OldMan();
return;
case 3: case 11:
Follower_OldManUnused();
return;
case 5: case 14:
assert(0); // Y is unknown here...
return;
default:
Follower_BasicMover();
return;
}
}
void Follower_BasicMover() { // 89a197
int k;
if (!Tagalong_IsFollowing()) {
Tagalong_Draw();
return;
}
Follower_HandleTrigger();
if (follower_indicator == 10 && link_auxiliary_state && countdown_for_blink) {
int k = tagalong_var2 + 1 == 20 ? 0 : tagalong_var2 + 1;
Kiki_SpawnHandler_B(k);
follower_indicator = 0;
return;
}
if (follower_indicator == 6 && dungeon_room_index == 0xac && (save_dung_info[101] & 0x100) && Follower_CheckBlindTrigger()) {
int k = tagalong_var2;
uint16 x = tagalong_x_lo[k] | tagalong_x_hi[k] << 8;
uint16 y = tagalong_y_lo[k] | tagalong_y_hi[k] << 8;
follower_indicator = 0;
Blind_SpawnFromMaiden(x, y);
BYTE(dung_flag_trapdoors_down)++;
BYTE(dung_cur_door_pos) = 0;
BYTE(door_animation_step_indicator) = 0;
submodule_index = 5;
music_control = 21;
return;
}
if (!tagalong_var3) {
if (link_player_handler_state == kPlayerState_Hookshot && related_to_hookshot) {
tagalong_var3 = 1;
goto label_e;
}
} else {
if (link_player_handler_state == kPlayerState_Hookshot)
goto label_e;
if (tagalong_var7 != tagalong_var2)
goto label_d;
tagalong_var3 = 0;
}
k = tagalong_var2;
if ((int8)tagalong_z[k] > 0) {
if (tagalong_var1 != k)
goto label_d;
tagalong_z[k] = 0;
uint16 y = link_y_coord, x = link_x_coord;
tagalong_y_lo[k] = y;
tagalong_y_hi[k] = y >> 8;
tagalong_x_lo[k] = x;
tagalong_x_hi[k] = x >> 8;
}
if (link_x_vel | link_y_vel) {
uint8 t;
label_e:
t = tagalong_var1 - 15;
if (sign8(t))
t += 20;
if (t == tagalong_var2) {
label_d:
tagalong_var2 = (tagalong_var2 + 1 == 20) ? 0 : tagalong_var2 + 1;
}
}
Tagalong_Draw();
}
void Follower_NotFollowing() { // 89a2b2
if (saved_tagalong_indoors != player_is_indoors)
return;
if (!link_is_running && !Follower_CheckProximityToLink()) {
Follower_Initialize();
saved_tagalong_indoors = player_is_indoors;
if (follower_indicator == 13) {
super_bomb_indicator_unk2 = 254;
super_bomb_indicator_unk1 = 0;
}
follower_dropped = 0;
Tagalong_Draw();
} else {
if (follower_indicator == 13 && !player_is_indoors && !super_bomb_indicator_unk2) {
// Fixed so we wait a little bit if we can't spawn the ancilla
if (AncillaAdd_SuperBombExplosion(0x3a, 0) >= 0) {
follower_dropped = 0;
// A ticking super bomb will cancel and teleport back to you as a follower if you do
// any of these at count 0: (1) change screen via walking, mirror, or bird travel
// (2) fill all ancillary slots
// (3) die with a bottled faerie.
// Fixed this by clearing the follower indicator here, instead of in the ancilla
// bomb code.
if (enhanced_features0 & kFeatures0_MiscBugFixes) {
follower_indicator = 0;
return;
}
} else {
super_bomb_indicator_unk1 = 1;
}
}
Follower_DoLayers();
}
}
void Follower_OldMan() { // 89a318
uint8 t;
if (!Tagalong_IsFollowing()) {
Tagalong_Draw();
return;
}
if (link_speed_setting != 4)
link_speed_setting = 12;
Follower_HandleTrigger();
if (follower_indicator == 0) {
return;
} else if (follower_indicator == 4) {
if ((int8)tagalong_z[tagalong_var2] > 0 && tagalong_var1 != tagalong_var2) {
tagalong_var2 = (tagalong_var2 + 1 >= 20) ? 0 : tagalong_var2 + 1;
Tagalong_Draw();
return;
}
} else {
// tagalong type 2
if ((link_auxiliary_state & 1) && link_player_handler_state == kPlayerState_RecoilOther) {
if (tagalong_var1 != tagalong_var2)
goto transform;
assert(0); // X is undefined here
}
if (link_auxiliary_state & 2) {
transform:
follower_indicator = kTagalong_Tab4[follower_indicator];
timer_tagalong_reacquire = 64;
int k = tagalong_var2;
saved_tagalong_y = tagalong_y_lo[k] | tagalong_y_hi[k] << 8;
saved_tagalong_x = tagalong_x_lo[k] | tagalong_x_hi[k] << 8;
saved_tagalong_floor = link_is_on_lower_level;
Follower_OldManUnused();
return;
}
}
if (link_x_vel | link_y_vel) {
t = tagalong_var1 - 20;
if (sign8(t))
t += 20;
if (t == tagalong_var2) {
tagalong_var2 = (tagalong_var2 + 1 >= 20) ? 0 : tagalong_var2 + 1;
}
} else if ((frame_counter & 3) == 0 && tagalong_var1 != tagalong_var2) {
t = tagalong_var1 - 9;
if (sign8(t))
t += 20;
if (t != tagalong_var2) {
tagalong_var2 = (tagalong_var2 + 1 >= 20) ? 0 : tagalong_var2 + 1;
}
}
Tagalong_Draw();
}
void Follower_OldManUnused() { // 89a41f
link_speed_setting = 16;
if (!link_is_running && !link_auxiliary_state && link_player_handler_state != kPlayerState_Swimming) {
link_speed_setting = 0;
if (link_player_handler_state != kPlayerState_Hookshot && !Follower_CheckProximityToLink()) {
Follower_Initialize();
follower_indicator = kTagalong_Tab5[follower_indicator];
return;
}
}
Follower_DoLayers();
}
void Follower_DoLayers() { // 89a450
oam_priority_value = kTagalongFlags[saved_tagalong_floor] << 8;
uint8 a = (follower_indicator == 12 || follower_indicator == 13) ? 2 : 1;
Follower_AnimateMovement_preserved(a, saved_tagalong_x, saved_tagalong_y);
}
bool Follower_CheckProximityToLink() { // 89a48e
if (!sign8(--timer_tagalong_reacquire))
return true;
timer_tagalong_reacquire = 0;
if ((uint16)(saved_tagalong_y - 1) >= link_y_coord ||
(uint16)(saved_tagalong_y + 19) < link_y_coord ||
(uint16)(saved_tagalong_x - 1) >= link_x_coord ||
(uint16)(saved_tagalong_x + 19) < link_x_coord)
return true;
return false;
}
void Follower_HandleTrigger() { // 89a59e
if (submodule_index)
return;
const TagalongMessageInfo *tmi, *tmi_end;
if (player_is_indoors) {
int j = FindInWordArray(kTagalong_IndoorRooms, dungeon_room_index, 7);
if (j < 0)
return;
tmi = kTagalong_IndoorInfos + kTagalong_IndoorOffsets[j];
tmi_end = kTagalong_IndoorInfos + kTagalong_IndoorOffsets[j + 1];
} else {
int j = FindInWordArray(kTagalong_OutdoorRooms, overworld_screen_index, 3);
if (j < 0)
return;
tmi = kTagalong_OutdoorInfos + kTagalong_OutdoorOffsets[j];
tmi_end = kTagalong_OutdoorInfos + kTagalong_OutdoorOffsets[j + 1];
}
int st = (tagalong_var2 + 1 >= 20) ? 0 : tagalong_var2 + 1;
do {
if (tmi->tagalong == follower_indicator && Follower_CheckForTrigger(tmi)) {
if (tmi->bit & tagalong_event_flags)
return;
tagalong_event_flags |= tmi->bit;
dialogue_message_index = tmi->msg;
if (tmi->msg == 0xffff) {
if (!(tmi->bit & 3))
Kiki_RevertToSprite(st);
else if (!(save_ow_event_info[BYTE(overworld_screen_index)] & 1))
Kiki_SpawnHandler_A(st);
return;
}
if (tmi->msg == 0x9d) {
OldMan_RevertToSprite(st);
} else if (tmi->msg == 0x28) {
follower_indicator = 0;
}
Main_ShowTextMessage();
return;
}
} while (++tmi != tmi_end);
}
void Tagalong_Draw() { // 89a907
if (tagalong_var5)
return;
oam_priority_value =
((tagalong_z[tagalong_var2] && !player_is_indoors) ? 0x20 :
(submodule_index == 14) ? kTagalongFlags[link_is_on_lower_level] :
(tagalong_layerbits[tagalong_var2] & 0xc) << 2) << 8;
int k = tagalong_var2;
if (sign8(k))
k = 0;
uint16 x = tagalong_x_lo[k] | tagalong_x_hi[k] << 8;
uint16 y = tagalong_y_lo[k] | tagalong_y_hi[k] << 8;
uint8 a = tagalong_layerbits[k];
Follower_AnimateMovement_preserved(a, x, y);
}
static inline void SetOam_Follower(OamEnt *oam, uint16 x, uint16 y, uint8 charnum, uint8 flags, uint8 big) {
oam->x = x;
oam->y = (uint16)(x + 0x80) < 0x180 && (big |= x >> 8 & 1, (uint16)(y + 0x10) < 0x100) ? y : 0xf0;
oam->charnum = charnum;
oam->flags = flags;
bytewise_extended_oam[oam - oam_buf] = big;
}
void Follower_AnimateMovement_preserved(uint8 ain, uint16 xin, uint16 yin) { // 89a959
uint8 yt = 0, av = 0;
uint8 sc = 0;
if ((ain >> 2 & 8) && (follower_indicator == 6 || follower_indicator == 1)) {
yt = 8;
if (swimcoll_var7[0] | swimcoll_var7[1])
av = (frame_counter >> 1) & 4;
else
av = (frame_counter >> 2) & 4;
} else if (submodule_index == 8 || submodule_index == 14 || submodule_index == 16) {
av = link_is_running ? (frame_counter & 4) : ((frame_counter >> 1) & 4);
} else if (follower_indicator == 11) {
av = (frame_counter >> 1) & 4;
} else if ((follower_indicator == 12 || follower_indicator == 13) && follower_dropped || flag_is_link_immobilized ||
submodule_index == 10 || main_module_index == 9 && submodule_index == 0x23 ||
main_module_index == 14 && (submodule_index == 1 || submodule_index == 2) ||
(link_y_vel | link_x_vel) == 0) {
av = sc = 4;
} else {
av = link_is_running ? (frame_counter & 4) : ((frame_counter >> 1) & 4);
}
uint8 frame = (ain & 3) + av + yt;
int spr_offs =
(link_y_coord == yin && !(ain & 3) || link_y_coord < yin) ?
kTagalongDraw_SprOffs0[sort_sprites_setting] >> 2:
kTagalongDraw_SprOffs1[sort_sprites_setting] >> 2;
oam_ext_cur_ptr = 0xa20 + spr_offs;
oam_cur_ptr = 0x800 + spr_offs * 4;
OamEnt *oam = GetOamCurPtr();
uint16 scrolly = yin - BG2VOFS_copy2;
uint16 scrollx = xin - BG2HOFS_copy2;
const uint8 *sk = kTagalongDraw_SprInfo0;
if (follower_indicator == 1 || follower_indicator == 6 || !(ain & 0x20)) {
if (!(ain & 0xc0))
goto skip_first_sprites;
if ((ain & 0x80) || (sk += 12, sc == 0))
goto incr;
byte_7E02D7 = 0;
} else {
incr:
if (!(frame_counter & 7) && ++byte_7E02D7 == 3)
byte_7E02D7 = 0;
}
sk += byte_7E02D7 * 4;
SetOam_Follower(oam + 0, scrollx, scrolly + 16, sk[0], sk[1], 0);
SetOam_Follower(oam + 1, scrollx + 8, scrolly + 16, sk[2], sk[3], 0);
oam += 2;
uint8 pal;
skip_first_sprites:
pal = kTagalongDraw_Pals[follower_indicator];
if (pal == 7 && palette_swap_flag)
pal = 0;
if (follower_indicator == 13) {
// Display colorful superbomb palette also on frame 0.
if (enhanced_features0 & kFeatures0_MiscBugFixes ? (super_bomb_indicator_unk2 <= 1) : (super_bomb_indicator_unk2 == 1))
pal = (frame_counter & 7);
}
const TagalongSprXY *sprd = kTagalongDraw_SprXY + frame + (kTagalongDraw_Offs[follower_indicator] >> 3);
const TagalongDmaFlags *sprf = kTagalongDmaAndFlags + frame;
if (follower_indicator != 12 && follower_indicator != 13) {
SetOam_Follower(oam, scrollx + sprd->x1, scrolly + sprd->y1, 0x20,
(sprf->flags & 0xf0) | pal << 1 | (oam_priority_value >> 8), 2);
oam++;
BYTE(dma_var6) = sprf->dma6;
}
{
SetOam_Follower(oam, scrollx + sprd->x2, scrolly + sprd->y2 + 8, 0x22,
((sprf->flags & 0xf) << 4) | pal << 1 | (oam_priority_value >> 8), 2);
BYTE(dma_var7) = sprf->dma7;
}
}
bool Follower_CheckForTrigger(const TagalongMessageInfo *info) { // 89ac26
uint16 x = link_x_coord + 12 - (info->x + 8);
uint16 y = link_y_coord + 12 - (info->y + 8);
if (sign16(x))
x = -x;
if (sign16(y))
y = -y;
return x < 24 && y < 28;
}
void Follower_Disable() { // 89acf3
if (follower_indicator == 9 || follower_indicator == 10)
follower_indicator = 0;
}
void Blind_SpawnFromMaiden(uint16 x, uint16 y) { // 9da03c
int k = 0;
sprite_state[k] = 9;
sprite_type[k] = 206;
Sprite_SetX(k, x);
Sprite_SetY(k, y - 16);
SpritePrep_LoadProperties(k);
sprite_delay_aux2[k] = 192;
sprite_graphics[k] = 21;
sprite_D[k] = 2;
sprite_ignore_projectile[k] = 2;
dung_savegame_state_bits |= 0x2000;
byte_7E0B69 = 0;
}
void Kiki_RevertToSprite(int k) { // 9ee66b
int j = Kiki_SpawnHandlerMonke(k);
sprite_subtype2[j] = 1;
follower_indicator = 0;
}
int Kiki_SpawnHandlerMonke(int k) { // 9ee67a
SpriteSpawnInfo info;
int j = Sprite_SpawnDynamically(k, 0xb6, &info);
if (j >= 0) {
sprite_head_dir[j] = tagalong_layerbits[k] & 3;
sprite_D[j] = tagalong_layerbits[k] & 3;
int x = tagalong_x_hi[k] << 8 | tagalong_x_lo[k];
int y = tagalong_y_hi[k] << 8 | tagalong_y_lo[k];
Sprite_SetX(j, x + 2);
Sprite_SetY(j, y + 2);
sprite_floor[j] = link_is_on_lower_level;
sprite_ignore_projectile[j] = 1;
sprite_floor[j] = 2;
link_speed_setting = 0;
}
return j;
}
void Kiki_SpawnHandler_A(int k) { // 9ee6c7
int j = Kiki_SpawnHandlerMonke(k);
sprite_subtype2[j] = 2;
}
void Kiki_SpawnHandler_B(int k) { // 9ee6d0
int j = Kiki_SpawnHandlerMonke(k);
sprite_z[j] = 1;
sprite_z_vel[j] = 16;
sprite_subtype2[j] = 3;
follower_indicator = 0;
}