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/*
Minetest-c55
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef CONTENT_CAO_HEADER
#define CONTENT_CAO_HEADER
#include "tile.h"
#include "environment.h"
#include "settings.h"
#include <ICameraSceneNode.h>
#include <ITextSceneNode.h>
#include <IBillboardSceneNode.h>
#include "serialization.h" // For decompressZlib
#include "gamedef.h"
#include "clientobject.h"
#include "content_object.h"
#include "mesh.h"
#include "utility.h" // For IntervalLimiter
class Settings;
/*
SmoothTranslator
*/
struct SmoothTranslator
{
v3f vect_old;
v3f vect_show;
v3f vect_aim;
f32 anim_counter;
f32 anim_time;
f32 anim_time_counter;
bool aim_is_end;
SmoothTranslator():
vect_old(0,0,0),
vect_show(0,0,0),
vect_aim(0,0,0),
anim_counter(0),
anim_time(0),
anim_time_counter(0),
aim_is_end(true)
{}
void init(v3f vect)
{
vect_old = vect;
vect_show = vect;
vect_aim = vect;
anim_counter = 0;
anim_time = 0;
anim_time_counter = 0;
aim_is_end = true;
}
void sharpen()
{
init(vect_show);
}
void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
{
aim_is_end = is_end_position;
vect_old = vect_show;
vect_aim = vect_new;
if(update_interval > 0){
anim_time = update_interval;
} else {
if(anim_time < 0.001 || anim_time > 1.0)
anim_time = anim_time_counter;
else
anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
}
anim_time_counter = 0;
anim_counter = 0;
}
void translate(f32 dtime)
{
anim_time_counter = anim_time_counter + dtime;
anim_counter = anim_counter + dtime;
v3f vect_move = vect_aim - vect_old;
f32 moveratio = 1.0;
if(anim_time > 0.001)
moveratio = anim_time_counter / anim_time;
// Move a bit less than should, to avoid oscillation
moveratio = moveratio * 0.8;
float move_end = 1.5;
if(aim_is_end)
move_end = 1.0;
if(moveratio > move_end)
moveratio = move_end;
vect_show = vect_old + vect_move * moveratio;
}
bool is_moving()
{
return ((anim_time_counter / anim_time) < 1.4);
}
};
void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
float txs, float tys, int col, int row);
#endif
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