/*
* Next frame and next anim calculation function.
*/
int Anim_SetNextFrame(struct ss_animation_s *ss_anim, float time)
{
float dt;
int32_t new_frame;
animation_frame_p next_anim = ss_anim->model->animations + ss_anim->next_animation;
state_change_p stc = Anim_FindStateChangeByID(next_anim, ss_anim->next_state);
ss_anim->frame_time = (ss_anim->frame_time >= 0.0f) ? (ss_anim->frame_time) : (0.0f);
ss_anim->frame_time += time;
new_frame = ss_anim->frame_time / ss_anim->period;
dt = ss_anim->frame_time - (float)new_frame * ss_anim->period;
ss_anim->lerp = dt / ss_anim->period;
ss_anim->changing_next = 0x00;
ss_anim->changing_curr = 0x00;
/*
* Flag has a highest priority
*/
if((new_frame + 1 >= next_anim->max_frame) && (ss_anim->anim_frame_flags == ANIM_LOOP_LAST_FRAME))
{
ss_anim->next_frame = next_anim->max_frame - 1;
ss_anim->current_frame = ss_anim->next_frame;
ss_anim->current_animation = ss_anim->next_animation;
ss_anim->lerp = 0.0f;
ss_anim->frame_time = (float)ss_anim->next_frame * ss_anim->period;
return 0x00;
}
else if(ss_anim->anim_frame_flags == ANIM_FRAME_LOCK)
{
ss_anim->current_frame = 0;
ss_anim->current_frame = ss_anim->next_frame;
ss_anim->current_animation = ss_anim->next_animation;
ss_anim->lerp = 0.0f;
ss_anim->frame_time = 0.0f;
return 0x00;
}
/*
* State change check
*/
if(stc)
{
anim_dispatch_p disp = stc->anim_dispatch;
for(uint16_t i = 0; i < stc->anim_dispatch_count; i++, disp++)
{
if((next_anim->max_frame == 1) || (disp->frame_high >= disp->frame_low) && ((new_frame >= disp->frame_low) && (new_frame <= disp->frame_high)))
{
ss_anim->current_animation = ss_anim->next_animation;
ss_anim->current_frame = ss_anim->next_frame;
ss_anim->next_animation = disp->next_anim;
ss_anim->next_frame = disp->next_frame;
ss_anim->frame_time = (float)ss_anim->next_frame * ss_anim->period + dt;
ss_anim->current_state = ss_anim->model->animations[ss_anim->next_animation].state_id;
ss_anim->next_state = ss_anim->current_state;
ss_anim->changing_curr = ss_anim->changing_next;
ss_anim->changing_next = 0x03;
return 0x03;
}
}
}
/*
* Check next anim if frame >= max_frame
*/
if(new_frame >= next_anim->max_frame)
{
ss_anim->current_animation = ss_anim->next_animation;
ss_anim->current_frame = ss_anim->next_frame;
ss_anim->next_frame = next_anim->next_frame;
ss_anim->next_animation = next_anim->next_anim->id;
ss_anim->frame_time = (float)ss_anim->next_frame * ss_anim->period + dt;
ss_anim->current_state = ss_anim->model->animations[ss_anim->next_animation].state_id;
ss_anim->next_state = ss_anim->current_state;
ss_anim->changing_curr = ss_anim->changing_next;
ss_anim->changing_next = 0x02;
return 0x02;
}
if(ss_anim->next_frame != new_frame)
{
ss_anim->current_animation = ss_anim->next_animation;
ss_anim->current_frame = ss_anim->next_frame;
ss_anim->next_frame = new_frame;
ss_anim->changing_curr = ss_anim->changing_next;
ss_anim->changing_next = 0x01;
return 0x01;
}
return 0x00;
}
/*
* Next frame and next anim calculation function.
*/
int Anim_SetNextFrame(struct ss_animation_s *ss_anim, float time)
{
float dt;
int32_t new_frame;
animation_frame_p current_anim = ss_anim->model->animations + ss_anim->current_animation;
state_change_p stc = (ss_anim->target_state >= 0) ? (Anim_FindStateChangeByID(current_anim, ss_anim->target_state)) : (NULL);
if(ss_anim->heavy_state && (current_anim->state_id == ss_anim->target_state) && (current_anim->next_anim->state_id == ss_anim->target_state))
{
ss_anim->heavy_state = 0x00;
}
ss_anim->frame_time = (ss_anim->frame_time >= 0.0f) ? (ss_anim->frame_time) : (0.0f);
ss_anim->frame_time += time;
new_frame = ss_anim->frame_time / ss_anim->period;
dt = ss_anim->frame_time - (float)new_frame * ss_anim->period;
ss_anim->lerp = dt / ss_anim->period;
ss_anim->frame_changing_state = 0x00;
/*
* Flag has a highest priority
*/
if(ss_anim->anim_frame_flags & ANIM_FRAME_LOCK)
{
ss_anim->prev_frame = 0;
ss_anim->prev_frame = ss_anim->current_frame;
ss_anim->prev_animation = ss_anim->current_animation;
ss_anim->lerp = 0.0f;
ss_anim->frame_time = 0.0f;
return 0x00;
}
else if((new_frame + 1 >= current_anim->max_frame) && (ss_anim->anim_frame_flags == ANIM_LOOP_LAST_FRAME))
{
ss_anim->current_frame = current_anim->max_frame - 1;
ss_anim->prev_frame = ss_anim->current_frame;
ss_anim->prev_animation = ss_anim->current_animation;
ss_anim->lerp = 0.0f;
ss_anim->frame_time = (float)ss_anim->current_frame * ss_anim->period;
return 0x00;
}
/*
* State change check
*/
if(stc)
{
anim_dispatch_p disp = stc->anim_dispatch;
for(uint16_t i = 0; i < stc->anim_dispatch_count; i++, disp++)
{
if((current_anim->max_frame == 1) ||
(new_frame >= disp->frame_low) && (new_frame <= disp->frame_high) ||
(ss_anim->current_frame <= disp->frame_high) && (new_frame >= disp->frame_high))
{
ss_anim->prev_animation = ss_anim->current_animation;
ss_anim->prev_frame = ss_anim->current_frame;
ss_anim->current_animation = disp->next_anim;
ss_anim->current_frame = disp->next_frame;
BoneFrame_Copy(&ss_anim->prev_bf, &ss_anim->current_bf);
BoneFrame_Copy(&ss_anim->current_bf, ss_anim->model->animations[ss_anim->current_animation].frames + ss_anim->current_frame);
ss_anim->frame_time = (float)ss_anim->current_frame * ss_anim->period + dt;
ss_anim->target_state = ss_anim->heavy_state ? ss_anim->target_state : -1;
ss_anim->frame_changing_state = 0x03;
return 0x03;
}
}
}
if(new_frame >= current_anim->max_frame)
{
ss_anim->prev_animation = ss_anim->current_animation;
ss_anim->prev_frame = ss_anim->current_frame;
ss_anim->current_frame = current_anim->next_frame;
ss_anim->current_animation = current_anim->next_anim->id;
BoneFrame_Copy(&ss_anim->prev_bf, &ss_anim->current_bf);
BoneFrame_Copy(&ss_anim->current_bf, ss_anim->model->animations[ss_anim->current_animation].frames + ss_anim->current_frame);
ss_anim->frame_time = (float)ss_anim->current_frame * ss_anim->period + dt;
ss_anim->target_state = ss_anim->heavy_state ? ss_anim->target_state : -1;
ss_anim->frame_changing_state = 0x02;
return 0x02;
}
if(ss_anim->current_frame != new_frame)
{
ss_anim->prev_animation = ss_anim->current_animation;
ss_anim->prev_frame = ss_anim->current_frame;
ss_anim->current_frame = new_frame;
BoneFrame_Copy(&ss_anim->prev_bf, &ss_anim->current_bf);
BoneFrame_Copy(&ss_anim->current_bf, ss_anim->model->animations[ss_anim->current_animation].frames + ss_anim->current_frame);
ss_anim->frame_changing_state = 0x01;
return 0x01;
}
return 0x00;
}
