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[Decompilation] [th05] Stage 1 midboss: Circular movement 

Part of P0192, funded by [Anonymous], nrook, and -Tom-.
This commit is contained in:
nmlgc 2022-04-23 21:38:33 +02:00
parent 71cb7b5e93
commit 79f2a114a5
4 changed files with 45 additions and 40 deletions
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2
Makefile.mak
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@ -149,7 +149,7 @@ bin\th05\op.exe: th05\op010.cpp bin\th05\op.obj th05\op011.cpp th05\m_char.cpp b
$**
|
bin\th05\main.exe: bin\th05\main.obj bin\th04\slowdown.obj th05\ems.cpp bin\th05\cfg_lres.obj th05\main010.cpp th05\f_dialog.cpp th05\dialog.cpp th05\playfld.cpp th05\main011.cpp th05\p_common.cpp th05\p_reimu.cpp th05\p_marisa.cpp th05\p_mima.cpp th05\p_yuuka.cpp bin\th05\player.obj bin\th05\hud_bar.obj bin\th05\scoreupd.obj th05\hud_ovrl.cpp bin\th04\player_p.obj th05\player_a.cpp bin\th05\bullet_1.obj th05\bullet_c.cpp bin\th03\vector2.obj bin\th03\hfliplut.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_mode.obj bin\th05\bullet.obj th05\bullet_t.cpp bin\th04\cdg_p_na.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th05\cdg_put.obj bin\th04\exit.obj bin\th05\vector.obj bin\th05\snd_load.obj bin\th05\snd_kaja.obj bin\th05\initmain.obj bin\th05\input_s.obj bin\th05\inp_h_w.obj bin\th05\frmdelay.obj bin\th04\cdg_load.obj bin\th04\scrolly3.obj bin\th04\motion_3.obj th05\gather.cpp th05\main032.cpp th05\mb_dft.cpp th05\laser_sc.cpp th05\cheeto_u.cpp bin\th04\it_spl_u.obj th05\bullet_u.cpp th05\main034.cpp th05\boss_6.cpp th05\boss_x.cpp th05\boss.cpp th05\main014.cpp
bin\th05\main.exe: bin\th05\main.obj bin\th04\slowdown.obj th05\ems.cpp bin\th05\cfg_lres.obj th05\main010.cpp th05\f_dialog.cpp th05\dialog.cpp th05\playfld.cpp th05\main011.cpp th05\p_common.cpp th05\p_reimu.cpp th05\p_marisa.cpp th05\p_mima.cpp th05\p_yuuka.cpp bin\th05\player.obj bin\th05\hud_bar.obj bin\th05\scoreupd.obj th05\hud_ovrl.cpp bin\th04\player_p.obj th05\player_a.cpp bin\th05\bullet_1.obj th05\bullet_c.cpp bin\th03\vector2.obj bin\th03\hfliplut.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_mode.obj bin\th05\bullet.obj th05\bullet_t.cpp bin\th04\cdg_p_na.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th05\cdg_put.obj bin\th04\exit.obj bin\th05\vector.obj bin\th05\snd_load.obj bin\th05\snd_kaja.obj bin\th05\initmain.obj bin\th05\input_s.obj bin\th05\inp_h_w.obj bin\th05\frmdelay.obj bin\th04\cdg_load.obj bin\th04\scrolly3.obj bin\th04\motion_3.obj th05\gather.cpp th05\main032.cpp th05\mb_dft.cpp th05\laser_sc.cpp th05\cheeto_u.cpp bin\th04\it_spl_u.obj th05\bullet_u.cpp th05\midboss1.cpp th05\main034.cpp th05\boss_6.cpp th05\boss_x.cpp th05\boss.cpp th05\main014.cpp
$(CC) $(CFLAGS) $(LARGE_LFLAGS) -3 -Z -DGAME=5 -DBINARY='M' -nbin\th05\ -eMAIN.EXE @&&|
$**
|

37
th05/main/midboss/m1.cpp Normal file
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@ -0,0 +1,37 @@
/// Stage 1 midboss
/// ---------------
#include "platform.h"
#include "pc98.h"
#include "master.hpp"
#include "th01/math/subpixel.hpp"
#include "th04/math/motion.hpp"
extern "C" {
#include "th04/math/vector.hpp"
#include "th04/main/playfld.hpp"
}
#include "th04/main/midboss/midboss.hpp"
// State
// -----
#define distance_from_center midboss.pos.velocity.x
// -----
void near midboss1_move(void)
{
midboss.pos.prev.x = midboss.pos.cur.x;
midboss.pos.prev.y = midboss.pos.cur.y;
midboss.pos.cur.x.v = vector1_at(
to_sp(playfield_fraction_x(1 / 2.0f)),
distance_from_center,
CosTable8[midboss.angle]
);
midboss.pos.cur.y.v = vector1_at(
to_sp(playfield_fraction_y(6 / 23.0f)),
distance_from_center,
SinTable8[midboss.angle]
);
midboss.angle -= 0x02;
}

1
th05/midboss1.cpp Normal file
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@ -0,0 +1 @@
#include "th05/main/midboss/m1.cpp"

45
th05_main.asm
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@ -39,7 +39,7 @@ include th05/main/enemy/enemy.inc
main_01 group SLOWDOWN_TEXT, m_TEXT, EMS_TEXT, ma_TEXT, CFG_LRES_TEXT, mai_TEXT, main_TEXT, main__TEXT, PLAYFLD_TEXT, main_0_TEXT, HUD_OVRL_TEXT, DIALOG_TEXT, PLAYER_P_TEXT, main_01_TEXT
g_SHARED group SHARED, SHARED_
main_03 group SCROLLY3_TEXT, MOTION_3_TEXT, main_031_TEXT, BULLET_A_TEXT, main_032_TEXT, main_033_TEXT, MB_DFT_TEXT, LASER_SC_TEXT, CHEETO_U_TEXT, IT_SPL_U_TEXT, BULLET_U_TEXT, main_034_TEXT, main_035_TEXT, BOSS_6_TEXT, BOSS_X_TEXT, main_036_TEXT, BOSS_TEXT
main_03 group SCROLLY3_TEXT, MOTION_3_TEXT, main_031_TEXT, BULLET_A_TEXT, main_032_TEXT, main_033_TEXT, MB_DFT_TEXT, LASER_SC_TEXT, CHEETO_U_TEXT, IT_SPL_U_TEXT, BULLET_U_TEXT, MIDBOSS1_TEXT, main_034_TEXT, main_035_TEXT, BOSS_6_TEXT, BOSS_X_TEXT, main_036_TEXT, BOSS_TEXT
; ===========================================================================
@ -10402,45 +10402,12 @@ BULLET_U_TEXT segment byte public 'CODE' use16
extern @bullets_update$qv:proc
BULLET_U_TEXT ends
MIDBOSS1_TEXT segment byte public 'CODE' use16
@midboss1_move$qv procdesc near
MIDBOSS1_TEXT ends
main_034_TEXT segment byte public 'CODE' use16
; =============== S U B R O U T I N E =======================================
; Attributes: bp-based frame
sub_17FC6 proc near
push bp
mov bp, sp
mov ax, _midboss_pos.cur.x
mov _midboss_pos.prev.x, ax
mov ax, _midboss_pos.cur.y
mov _midboss_pos.prev.y, ax
push (192 shl 4)
push _midboss_pos.velocity.x
mov al, _midboss_angle
mov ah, 0
add ax, ax
mov bx, ax
push _CosTable8[bx]
call vector1_at
mov _midboss_pos.cur.x, ax
push (96 shl 4)
push _midboss_pos.velocity.x
mov al, _midboss_angle
mov ah, 0
add ax, ax
mov bx, ax
push _SinTable8[bx]
call vector1_at
mov _midboss_pos.cur.y, ax
mov al, _midboss_angle
add al, -2
mov _midboss_angle, al
pop bp
retn
sub_17FC6 endp
; =============== S U B R O U T I N E =======================================
; Attributes: bp-based frame
@ -10559,7 +10526,7 @@ loc_1812B:
xor edx, edx
div ebx
mov _midboss_pos.velocity.x, ax
call sub_17FC6
call @midboss1_move$qv
cmp _midboss_phase_frame, 1500
jge short loc_1818B
cmp _midboss_hp, 0