Files
banjo-kazooie/src/core2/yaw.c
2023-01-31 13:47:47 -06:00

138 lines
3.1 KiB
C

#include <ultra64.h>
#include "functions.h"
#include "variables.h"
#include "core2/yaw.h"
f32 yaw_deg; //yaw
f32 yawIdeal_deg; //yaw_ideal
s32 yawUpdateState; //yaw_update_type
f32 D_8037C69C; //yaw_update2_angular_velocity
f32 D_8037C6A0; //yaw_update3_angular_velocity_limit
f32 D_8037C6A4; //yaw_update3_angular_velocity_percentage
void __yaw_update_limitless(f32 arg0) {
f32 dYaw_deg;
f32 sp20;
arg0 *= time_getDelta();
dYaw_deg = yawIdeal_deg - yaw_deg;
if (mlAbsF(dYaw_deg) > 180.0f) {
dYaw_deg += (dYaw_deg < 0.0f) ? 360.0 : -360.0;
}
sp20 = (mlAbsF(dYaw_deg) > 180.0f) ? arg0 : ((dYaw_deg < 0.0f)? -arg0: arg0);
if(mlAbsF(sp20) <= mlAbsF(dYaw_deg))
yaw_deg += sp20;
else
yaw_deg = yawIdeal_deg;
if (yaw_deg < 360.0) {
if (yaw_deg < 0.0) {
yaw_deg = (f32) (yaw_deg + 360.0);
}
} else {
yaw_deg = (f32) (yaw_deg - 360.0);
}
}
static void __yaw_update_limited(f32 limit_degPerSec, f32 step_percent){
f32 dyaw_deg;
f32 val_deg;
f32 dt_s = time_getDelta();
f32 max_deg;
max_deg = limit_degPerSec*dt_s;
dyaw_deg = yawIdeal_deg - yaw_deg;
if(180.0f < mlAbsF(dyaw_deg)){
dyaw_deg += (dyaw_deg < 0.0f)? 360.0: -360.0;
}
val_deg = dyaw_deg * step_percent * dt_s;
val_deg = (val_deg < 0) ? ml_clamp_f(val_deg, -max_deg, -0.1f) : ml_clamp_f(val_deg, 0.1f, max_deg);
yaw_deg =( mlAbsF(val_deg) <= mlAbsF(dyaw_deg)) ? yaw_deg + val_deg : yawIdeal_deg;
if(yaw_deg < 360.0){
if(yaw_deg < 0.0)
yaw_deg += 360.0;
}
else
yaw_deg -= 360.0;
}
void yaw_init(void){
yaw_deg = 0.0f;
yawIdeal_deg = 0.0f;
yaw_setVelocityBounded(700.0f, 7.5f);
yaw_setVelocityUnbounded(360.0f);
yawUpdateState = 0;
yaw_setUpdateState(YAW_STATE_1_DEFAULT);
}
void yaw_update(void){
switch(yawUpdateState){
case YAW_STATE_0_NONE:
break;
case YAW_STATE_1_DEFAULT:
__yaw_update_limited(700.0f, 7.5f);
break;
case YAW_STATE_2_UNBOUNDED:
__yaw_update_limitless(D_8037C69C);
break;
case YAW_STATE_3_BOUNDED:
__yaw_update_limited(D_8037C6A0, D_8037C6A4);
break;
}
}
void yaw_setUpdateState(s32 arg0){
yawUpdateState = arg0;
}
void yaw_setIdeal(f32 arg0){
yawIdeal_deg = mlNormalizeAngle(arg0);
}
void yaw_set(f32 arg0){
yaw_deg = mlNormalizeAngle(arg0);
}
void yaw_applyIdeal(void){
yaw_deg = yawIdeal_deg;
}
s32 yaw_getUpdateState(void){
return yawUpdateState;
}
f32 yaw_get(void){
return yaw_deg;
}
f32 yaw_getIdeal(void){
return yawIdeal_deg;
}
void yaw_setVelocityBounded(f32 arg0, f32 arg1){
D_8037C6A0 = arg0;
D_8037C6A4 = arg1;
}
void yaw_setVelocityUnbounded(f32 arg0){
D_8037C69C = arg0;
}
void yaw_rotateTimed(f32 time_sec){
f32 dyaw_deg = yawIdeal_deg - yaw_deg;
if(180.0f < mlAbsF(dyaw_deg)){
dyaw_deg += (dyaw_deg < 0.0f)? 360.0: -360.0;
}
D_8037C69C = mlAbsF(dyaw_deg/time_sec);
}