Physics_UpdateECBBones.c

void Physics_UpdateECBBones(Physics *phys,ECBUpdateFlag flags)
{
	float min_asymmetrical_width;
	float min_asymmetrical_height;
	float width;
	float height;
	float max_x;
	float min_x;
	float max_y;
	float min_y;
	Vec bone_pos;
	float center_y;
	float pos_x;
	float pos_y;
	float bone_x;
	float bone_y;
	
	if ((phys->ecb_flags & ECBFlag_ZeroLastECB) != 0) {
		phys->ecb.top.x = 0.0;
		phys->ecb.top.y = 0.0;
		phys->ecb.bottom.x = 0.0;
		phys->ecb.bottom.y = 0.0;
		phys->ecb.right.x = 0.0;
		phys->ecb.right.y = 0.0;
		phys->ecb.left.x = 0.0;
		phys->ecb.left.y = 0.0;
		phys->ecb_flags = phys->ecb_flags & ~ECBFlag_ZeroLastECB;
	}
	phys->last_ecb.top.x = phys->ecb.top.x;
	phys->last_ecb.top.y = phys->ecb.top.y;
	phys->last_ecb.bottom.x = phys->ecb.bottom.x;
	phys->last_ecb.bottom.y = phys->ecb.bottom.y;
	phys->last_ecb.right.x = phys->ecb.right.x;
	phys->last_ecb.right.y = phys->ecb.right.y;
	phys->last_ecb.left.x = phys->ecb.left.x;
	phys->last_ecb.left.y = phys->ecb.left.y;
	pos_x = phys->position.x;
	pos_y = phys->position.y;
	HSD_JObjTransform(phys->ecb_bones[0], NULL, &bone_pos);
	max_x = bone_pos.x - pos_x;
	max_y = bone_pos.y - pos_y;
	min_x = max_x;
	min_y = max_y;
	HSD_JObjTransform(phys->ecb_bones[1], NULL, &bone_pos);
	bone_x = bone_pos.x - pos_x;
	bone_y = bone_pos.y - pos_y;
	if (bone_x < max_x)
		min_x = bone_x;
	else if (bone_x > max_x)
		max_x = bone_x;
	
	if (max_y > bone_y)
		min_y = bone_y;
	else if (max_y < bone_y)
		max_y = bone_y;
	
	HSD_JObjTransform(phys->ecb_bones[2], NULL, &bone_pos);
	bone_x = bone_pos.x - pos_x;
	bone_y = bone_pos.y - pos_y;
	if (bone_x < min_x)
		min_x = bone_x;
	else if (bone_x > max_x)
		max_x = bone_x;
	
	if (bone_y < min_y)
		min_y = bone_y;
	else if (bone_y > max_y)
		max_y = bone_y;
	
	HSD_JObjTransform(phys->ecb_bones[3], NULL, &bone_pos);
	bone_x = bone_pos.x - pos_x;
	bone_y = bone_pos.y - pos_y;
	if (bone_x < min_x)
		min_x = bone_x;
	else if (bone_x > max_x)
		max_x = bone_x;
	
	if (bone_y < min_y)
		min_y = bone_y;
	else if (bone_y > max_y)
		max_y = bone_y;
	
	HSD_JObjTransform(phys->ecb_bones[4], NULL, &bone_pos);
	bone_x = bone_pos.x - pos_x;
	bone_y = bone_pos.y - pos_y;
	if (bone_x < min_x)
		min_x = bone_x;
	else if (bone_x > max_x)
		max_x = bone_x;
	
	if (bone_y < min_y)
		min_y = bone_y;
	else if (bone_y > max_y)
		max_y = bone_y;
	
	HSD_JObjTransform(phys->ecb_bones[5], NULL, &bone_pos);
	bone_x = bone_pos.x - pos_x;
	bone_y = bone_pos.y - pos_y;
	if (bone_x < min_x)
		min_x = bone_x;
	else if (bone_x > max_x)
		max_x = bone_x;
	
	if (bone_y < min_y)
		min_y = bone_y;
	else if (bone_y > max_y)
		max_y = bone_y;
	
	if ((flags & ECBUpdateFlag_No2UnitExpansion) == 0) {
		min_x -= 2.0;
		max_x += 2.0;
		min_y -= 2.0;
		max_y += 2.0;
	}
	if (phys->min_asymmetrical_ecb_width < 4.0)
		min_asymmetrical_width = 4.0;
	else
		min_asymmetrical_width = phys->min_asymmetrical_ecb_width;
	
	width = max_x - min_x;
	if (width < 0.0)
		width = -width;
	
	if (min_asymmetrical_width > width) {
		max_x = width * 0.5;
		min_x = -max_x;
	}
	if (phys->min_asymmetrical_ecb_height < 4.0)
		min_asymmetrical_height = 4.0;
	else
		min_asymmetrical_height = phys->min_asymmetrical_ecb_height;
	
	height = max_y - min_y;
	if (height < 0.0)
		height = -height;
	
	if (min_asymmetrical_height > height) {
		center_y = (max_y + min_y) * 0.5;
		max_y = center_y + height * 0.5;
		min_y = center_y - height * 0.5;
	}
	if ((flags & ECBUpdateFlag_SkinnyECB) == 0) {
		if (max_x < 2.0)
			max_x = 2.0;
		
		if (min_x > -2.0)
			min_x = -2.0;
	} else {
		min_x = -1.0;
		max_x = 1.0;
	}
	if ((flags & ECBUpdateFlag_GroundECB) == 0) {
		if (min_y < 0.0)
			min_y = 0.0;
		
		if ((flags & ECBUpdateFlag_ShortECB) != 0) {
			center_y = (min_y + max_y) * 0.5;
			min_y = center_y - 1.0;
			max_y = center_y + 1.0;
			if (min_y < 0.0) {
				min_y = 0.0;
				max_y = 2.0;
			}
		}
	} else {
		min_y = 0.0;
		if ((flags & ECBUpdateFlag_ShortECB) != 0)
			max_y = 2.0;
	}
	phys->end_ecb.top.x = 0.0;
	phys->end_ecb.top.y = max_y;
	phys->end_ecb.bottom.x = 0.0;
	phys->end_ecb.bottom.y = min_y;
	phys->end_ecb.right.x = max_x;
	center_y = (min_y + max_y) * 0.5;
	phys->end_ecb.right.y = phys->ecb_side_y_offset + center_y;
	phys->end_ecb.left.x = min_x;
	phys->end_ecb.left.y = phys->ecb_side_y_offset + center_y;
	phys->push_flags = phys->push_flags & 0x7f;
	return;
}