particles.h

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/*
Minetest
Copyright (C) 2013 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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser 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.
*/
 
#pragma once
 
#include <string>
#include "irrlichttypes_bloated.h"
#include "tileanimation.h"
#include "mapnode.h"
 
// This file defines the particle-related structures that both the server and
// client need. The ParticleManager and rendering is in client/particles.h
 
struct CommonParticleParams {
    bool collisiondetection = false;
    bool collision_removal = false;
    bool object_collision = false;
    bool vertical = false;
    std::string texture;
    struct TileAnimationParams animation;
    u8 glow = 0;
    MapNode node;
    u8 node_tile = 0;
 
    CommonParticleParams() {
        animation.type = TAT_NONE;
        node.setContent(CONTENT_IGNORE);
    }
 
    /* This helper is useful for copying params from
     * ParticleSpawnerParameters to ParticleParameters */
    inline void copyCommon(CommonParticleParams &to) const {
        to.collisiondetection = collisiondetection;
        to.collision_removal = collision_removal;
        to.object_collision = object_collision;
        to.vertical = vertical;
        to.texture = texture;
        to.animation = animation;
        to.glow = glow;
        to.node = node;
        to.node_tile = node_tile;
    }
};
 
struct ParticleParameters : CommonParticleParams {
    v3f pos;
    v3f vel;
    v3f acc;
    f32 expirationtime = 1;
    f32 size = 1;
 
    void serialize(std::ostream &os, u16 protocol_ver) const;
    void deSerialize(std::istream &is, u16 protocol_ver);
};
 
struct ParticleSpawnerParameters : CommonParticleParams {
    u16 amount = 1;
    v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
    f32 time = 1;
    f32 minexptime = 1, maxexptime = 1, minsize = 1, maxsize = 1;
 
    // For historical reasons no (de-)serialization methods here
};