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Particles: Make collision with objects optional (#7682) 

Also set it to false for node dig particles, as they are often created
and high in number.

Improve particle documentation.
master
Paramat 2018-09-08 00:38:35 +01:00 committed by GitHub
parent 6ed9c6fb3a
commit 766fb7b46e
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 120 additions and 59 deletions
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34
doc/lua_api.txt
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@ -6619,14 +6619,21 @@ Used by `minetest.add_particle`.
-- Disappears after expirationtime seconds
size = 1,
-- Scales the visual size of the particle texture.
collisiondetection = false,
-- If true collides with physical objects
-- If true collides with `walkable` nodes and, depending on the
-- `object_collision` field, objects too.
collision_removal = false,
-- If true particle is removed when it collides.
-- Requires collisiondetection = true to have any effect.
object_collision = false,
-- If true particle collides with objects that are defined as
-- `physical = true,` and `collide_with_objects = true,`.
-- Requires collisiondetection = true to have any effect.
vertical = false,
-- If true faces player using y axis only
@ -6651,10 +6658,12 @@ Used by `minetest.add_particlespawner`.
{
amount = 1,
-- Number of particles spawned over the time period `time`.
time = 1,
-- If time is 0 has infinite lifespan and spawns the amount on a
-- per-second basis.
-- Lifespan of spawner in seconds.
-- If time is 0 spawner has infinite lifespan and spawns the `amount` on
-- a per-second basis.
minpos = {x=0, y=0, z=0},
maxpos = {x=0, y=0, z=0},
@ -6666,14 +6675,21 @@ Used by `minetest.add_particlespawner`.
maxexptime = 1,
minsize = 1,
maxsize = 1,
-- The particle's properties are random values in between the bounds
-- The particles' properties are random values between the min and max
-- values.
-- pos, velocity, acceleration, expirationtime, size
collisiondetection = false,
-- If true collides with physical objects
-- If true collide with `walkable` nodes and, depending on the
-- `object_collision` field, objects too.
collision_removal = false,
-- If true particle is removed when it collides.
-- If true particles are removed when they collide.
-- Requires collisiondetection = true to have any effect.
object_collision = false,
-- If true particles collide with objects that are defined as
-- `physical = true,` and `collide_with_objects = true,`.
-- Requires collisiondetection = true to have any effect.
attached = ObjectRef,
@ -6681,15 +6697,15 @@ Used by `minetest.add_particlespawner`.
-- relative to this object's position and yaw
vertical = false,
-- If true faces player using y axis only
-- If true face player using y axis only
texture = "image.png",
playername = "singleplayer",
-- Optional, if specified spawns particle only on the player's client
-- Optional, if specified spawns particles only on the player's client
animation = {Tile Animation definition},
-- Optional, specifies how to animate the particle texture
-- Optional, specifies how to animate the particles' texture
glow = 0
-- Optional, specify particle self-luminescence in darkness.

2
src/client/clientevent.h
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@ -82,6 +82,7 @@ struct ClientEvent
f32 size;
bool collisiondetection;
bool collision_removal;
bool object_collision;
bool vertical;
std::string *texture;
struct TileAnimationParams animation;
@ -103,6 +104,7 @@ struct ClientEvent
f32 maxsize;
bool collisiondetection;
bool collision_removal;
bool object_collision;
u16 attached_id;
bool vertical;
std::string *texture;

23
src/network/clientpackethandler.cpp
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@ -889,16 +889,19 @@ void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
float size = readF1000(is);
bool collisiondetection = readU8(is);
std::string texture = deSerializeLongString(is);
bool vertical = false;
bool collision_removal = false;
bool vertical = false;
bool collision_removal = false;
TileAnimationParams animation;
animation.type = TAT_NONE;
u8 glow = 0;
animation.type = TAT_NONE;
u8 glow = 0;
bool object_collision = false;
try {
vertical = readU8(is);
collision_removal = readU8(is);
animation.deSerialize(is, m_proto_ver);
glow = readU8(is);
object_collision = readU8(is);
} catch (...) {}
ClientEvent *event = new ClientEvent();
@ -910,6 +913,7 @@ void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
event->spawn_particle.size = size;
event->spawn_particle.collisiondetection = collisiondetection;
event->spawn_particle.collision_removal = collision_removal;
event->spawn_particle.object_collision = object_collision;
event->spawn_particle.vertical = vertical;
event->spawn_particle.texture = new std::string(texture);
event->spawn_particle.animation = animation;
@ -943,12 +947,13 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
*pkt >> server_id;
bool vertical = false;
bool vertical = false;
bool collision_removal = false;
u16 attached_id = 0;
TileAnimationParams animation;
animation.type = TAT_NONE;
u8 glow = 0;
u16 attached_id = 0;
animation.type = TAT_NONE;
u8 glow = 0;
bool object_collision = false;
try {
*pkt >> vertical;
*pkt >> collision_removal;
@ -959,6 +964,7 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
std::istringstream is(datastring, std::ios_base::binary);
animation.deSerialize(is, m_proto_ver);
glow = readU8(is);
object_collision = readU8(is);
} catch (...) {}
u32 client_id = m_particle_manager.getSpawnerId();
@ -980,6 +986,7 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
event->add_particlespawner.maxsize = maxsize;
event->add_particlespawner.collisiondetection = collisiondetection;
event->add_particlespawner.collision_removal = collision_removal;
event->add_particlespawner.object_collision = object_collision;
event->add_particlespawner.attached_id = attached_id;
event->add_particlespawner.vertical = vertical;
event->add_particlespawner.texture = new std::string(texture);

12
src/network/networkprotocol.h
View File

@ -477,10 +477,13 @@ enum ToClientCommand
f1000 expirationtime
f1000 size
u8 bool collisiondetection
u8 bool vertical
u32 len
u8[len] texture
u8 bool vertical
u8 collision_removal
TileAnimation animation
u8 glow
u8 object_collision
*/
TOCLIENT_ADD_PARTICLESPAWNER = 0x47,
@ -498,11 +501,14 @@ enum ToClientCommand
f1000 minsize
f1000 maxsize
u8 bool collisiondetection
u8 bool vertical
u32 len
u8[len] texture
u32 id
u8 bool vertical
u8 collision_removal
u32 id
TileAnimation animation
u8 glow
u8 object_collision
*/
TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY = 0x48, // Obsolete

40
src/particles.cpp
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@ -54,6 +54,7 @@ Particle::Particle(
float size,
bool collisiondetection,
bool collision_removal,
bool object_collision,
bool vertical,
video::ITexture *texture,
v2f texpos,
@ -93,6 +94,7 @@ Particle::Particle(
m_size = size;
m_collisiondetection = collisiondetection;
m_collision_removal = collision_removal;
m_object_collision = object_collision;
m_vertical = vertical;
m_glow = glow;
@ -135,9 +137,9 @@ void Particle::step(float dtime)
aabb3f box = m_collisionbox;
v3f p_pos = m_pos * BS;
v3f p_velocity = m_velocity * BS;
collisionMoveResult r = collisionMoveSimple(m_env,
m_gamedef, BS * 0.5, box, 0, dtime, &p_pos,
&p_velocity, m_acceleration * BS);
collisionMoveResult r = collisionMoveSimple(m_env, m_gamedef, BS * 0.5f,
box, 0.0f, dtime, &p_pos, &p_velocity, m_acceleration * BS, nullptr,
m_object_collision);
if (m_collision_removal && r.collides) {
// force expiration of the particle
m_expiration = -1.0;
@ -243,14 +245,27 @@ void Particle::updateVertices()
ParticleSpawner
*/
ParticleSpawner::ParticleSpawner(IGameDef *gamedef, LocalPlayer *player,
u16 amount, float time,
v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
float minexptime, float maxexptime, float minsize, float maxsize,
bool collisiondetection, bool collision_removal, u16 attached_id, bool vertical,
video::ITexture *texture, u32 id, const struct TileAnimationParams &anim,
ParticleSpawner::ParticleSpawner(
IGameDef *gamedef,
LocalPlayer *player,
u16 amount,
float time,
v3f minpos, v3f maxpos,
v3f minvel, v3f maxvel,
v3f minacc, v3f maxacc,
float minexptime, float maxexptime,
float minsize, float maxsize,
bool collisiondetection,
bool collision_removal,
bool object_collision,
u16 attached_id,
bool vertical,
video::ITexture *texture,
u32 id,
const struct TileAnimationParams &anim,
u8 glow,
ParticleManager *p_manager) :
ParticleManager *p_manager
):
m_particlemanager(p_manager)
{
m_gamedef = gamedef;
@ -269,6 +284,7 @@ ParticleSpawner::ParticleSpawner(IGameDef *gamedef, LocalPlayer *player,
m_maxsize = maxsize;
m_collisiondetection = collisiondetection;
m_collision_removal = collision_removal;
m_object_collision = object_collision;
m_attached_id = attached_id;
m_vertical = vertical;
m_texture = texture;
@ -326,6 +342,7 @@ void ParticleSpawner::spawnParticle(ClientEnvironment *env, float radius,
size,
m_collisiondetection,
m_collision_removal,
m_object_collision,
m_vertical,
m_texture,
v2f(0.0, 0.0),
@ -507,6 +524,7 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, Client *client,
event->add_particlespawner.maxsize,
event->add_particlespawner.collisiondetection,
event->add_particlespawner.collision_removal,
event->add_particlespawner.object_collision,
event->add_particlespawner.attached_id,
event->add_particlespawner.vertical,
texture,
@ -545,6 +563,7 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, Client *client,
event->spawn_particle.size,
event->spawn_particle.collisiondetection,
event->spawn_particle.collision_removal,
event->spawn_particle.object_collision,
event->spawn_particle.vertical,
texture,
v2f(0.0, 0.0),
@ -637,6 +656,7 @@ void ParticleManager::addNodeParticle(IGameDef* gamedef,
true,
false,
false,
false,
texture,
texpos,
texsize,

4
src/particles.h
View File

@ -45,6 +45,7 @@ class Particle : public scene::ISceneNode
float size,
bool collisiondetection,
bool collision_removal,
bool object_collision,
bool vertical,
video::ITexture *texture,
v2f texpos,
@ -104,6 +105,7 @@ private:
video::SColor m_color;
bool m_collisiondetection;
bool m_collision_removal;
bool m_object_collision;
bool m_vertical;
v3s16 m_camera_offset;
struct TileAnimationParams m_animation;
@ -126,6 +128,7 @@ public:
float minsize, float maxsize,
bool collisiondetection,
bool collision_removal,
bool object_collision,
u16 attached_id,
bool vertical,
video::ITexture *texture,
@ -165,6 +168,7 @@ private:
std::vector<float> m_spawntimes;
bool m_collisiondetection;
bool m_collision_removal;
bool m_object_collision;
bool m_vertical;
u16 m_attached_id;
struct TileAnimationParams m_animation;

31
src/script/lua_api/l_particles.cpp
View File

@ -26,13 +26,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "particles.h"
// add_particle({pos=, velocity=, acceleration=, expirationtime=,
// size=, collisiondetection=, collision_removal=, vertical=,
// texture=, player=})
// size=, collisiondetection=, collision_removal=, object_collision=,
// vertical=, texture=, player=})
// pos/velocity/acceleration = {x=num, y=num, z=num}
// expirationtime = num (seconds)
// size = num
// collisiondetection = bool
// collision_removal = bool
// object_collision = bool
// vertical = bool
// texture = e.g."default_wood.png"
// animation = TileAnimation definition
@ -43,19 +44,14 @@ int ModApiParticles::l_add_particle(lua_State *L)
// Get parameters
v3f pos, vel, acc;
pos = vel = acc = v3f(0, 0, 0);
float expirationtime, size;
expirationtime = size = 1;
bool collisiondetection, vertical, collision_removal;
collisiondetection = vertical = collision_removal = false;
bool collisiondetection, vertical, collision_removal, object_collision;
collisiondetection = vertical = collision_removal = object_collision = false;
struct TileAnimationParams animation;
animation.type = TAT_NONE;
std::string texture;
std::string playername;
u8 glow = 0;
if (lua_gettop(L) > 1) // deprecated
@ -107,6 +103,8 @@ int ModApiParticles::l_add_particle(lua_State *L)
"collisiondetection", collisiondetection);
collision_removal = getboolfield_default(L, 1,
"collision_removal", collision_removal);
object_collision = getboolfield_default(L, 1,
"object_collision", object_collision);
vertical = getboolfield_default(L, 1, "vertical", vertical);
lua_getfield(L, 1, "animation");
@ -119,7 +117,8 @@ int ModApiParticles::l_add_particle(lua_State *L)
glow = getintfield_default(L, 1, "glow", 0);
}
getServer(L)->spawnParticle(playername, pos, vel, acc, expirationtime, size,
collisiondetection, collision_removal, vertical, texture, animation, glow);
collisiondetection, collision_removal, object_collision, vertical,
texture, animation, glow);
return 1;
}
@ -131,6 +130,7 @@ int ModApiParticles::l_add_particle(lua_State *L)
// minsize=, maxsize=,
// collisiondetection=,
// collision_removal=,
// object_collision=,
// vertical=,
// texture=,
// player=})
@ -139,6 +139,7 @@ int ModApiParticles::l_add_particle(lua_State *L)
// minsize/maxsize = num
// collisiondetection = bool
// collision_removal = bool
// object_collision = bool
// vertical = bool
// texture = e.g."default_wood.png"
// animation = TileAnimation definition
@ -150,11 +151,10 @@ int ModApiParticles::l_add_particlespawner(lua_State *L)
// Get parameters
u16 amount = 1;
v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
minpos= maxpos= minvel= maxvel= minacc= maxacc= v3f(0, 0, 0);
float time, minexptime, maxexptime, minsize, maxsize;
time= minexptime= maxexptime= minsize= maxsize= 1;
bool collisiondetection, vertical, collision_removal;
collisiondetection = vertical = collision_removal = false;
time = minexptime = maxexptime = minsize = maxsize = 1;
bool collisiondetection, vertical, collision_removal, object_collision;
collisiondetection = vertical = collision_removal = object_collision = false;
struct TileAnimationParams animation;
animation.type = TAT_NONE;
ServerActiveObject *attached = NULL;
@ -219,6 +219,8 @@ int ModApiParticles::l_add_particlespawner(lua_State *L)
"collisiondetection", collisiondetection);
collision_removal = getboolfield_default(L, 1,
"collision_removal", collision_removal);
object_collision = getboolfield_default(L, 1,
"object_collision", object_collision);
lua_getfield(L, 1, "animation");
animation = read_animation_definition(L, -1);
@ -245,6 +247,7 @@ int ModApiParticles::l_add_particlespawner(lua_State *L)
minsize, maxsize,
collisiondetection,
collision_removal,
object_collision,
attached,
vertical,
texture, playername,

25
src/server.cpp
View File

@ -1578,7 +1578,7 @@ void Server::SendShowFormspecMessage(session_t peer_id, const std::string &forms
void Server::SendSpawnParticle(session_t peer_id, u16 protocol_version,
v3f pos, v3f velocity, v3f acceleration,
float expirationtime, float size, bool collisiondetection,
bool collision_removal,
bool collision_removal, bool object_collision,
bool vertical, const std::string &texture,
const struct TileAnimationParams &animation, u8 glow)
{
@ -1603,8 +1603,8 @@ void Server::SendSpawnParticle(session_t peer_id, u16 protocol_version,
SendSpawnParticle(client_id, player->protocol_version,
pos, velocity, acceleration,
expirationtime, size, collisiondetection,
collision_removal, vertical, texture, animation, glow);
expirationtime, size, collisiondetection, collision_removal,
object_collision, vertical, texture, animation, glow);
}
return;
}
@ -1621,6 +1621,7 @@ void Server::SendSpawnParticle(session_t peer_id, u16 protocol_version,
animation.serialize(os, protocol_version);
pkt.putRawString(os.str());
pkt << glow;
pkt << object_collision;
Send(&pkt);
}
@ -1630,7 +1631,7 @@ void Server::SendAddParticleSpawner(session_t peer_id, u16 protocol_version,
u16 amount, float spawntime, v3f minpos, v3f maxpos,
v3f minvel, v3f maxvel, v3f minacc, v3f maxacc, float minexptime, float maxexptime,
float minsize, float maxsize, bool collisiondetection, bool collision_removal,
u16 attached_id, bool vertical, const std::string &texture, u32 id,
bool object_collision, u16 attached_id, bool vertical, const std::string &texture, u32 id,
const struct TileAnimationParams &animation, u8 glow)
{
if (peer_id == PEER_ID_INEXISTENT) {
@ -1644,7 +1645,8 @@ void Server::SendAddParticleSpawner(session_t peer_id, u16 protocol_version,
amount, spawntime, minpos, maxpos,
minvel, maxvel, minacc, maxacc, minexptime, maxexptime,
minsize, maxsize, collisiondetection, collision_removal,
attached_id, vertical, texture, id, animation, glow);
object_collision, attached_id, vertical, texture, id,
animation, glow);
}
return;
}
@ -1665,6 +1667,7 @@ void Server::SendAddParticleSpawner(session_t peer_id, u16 protocol_version,
animation.serialize(os, protocol_version);
pkt.putRawString(os.str());
pkt << glow;
pkt << object_collision;
Send(&pkt);
}
@ -3165,7 +3168,7 @@ void Server::notifyPlayers(const std::wstring &msg)
void Server::spawnParticle(const std::string &playername, v3f pos,
v3f velocity, v3f acceleration,
float expirationtime, float size, bool
collisiondetection, bool collision_removal,
collisiondetection, bool collision_removal, bool object_collision,
bool vertical, const std::string &texture,
const struct TileAnimationParams &animation, u8 glow)
{
@ -3184,14 +3187,14 @@ void Server::spawnParticle(const std::string &playername, v3f pos,
}
SendSpawnParticle(peer_id, proto_ver, pos, velocity, acceleration,
expirationtime, size, collisiondetection,
collision_removal, vertical, texture, animation, glow);
expirationtime, size, collisiondetection, collision_removal,
object_collision, vertical, texture, animation, glow);
}
u32 Server::addParticleSpawner(u16 amount, float spawntime,
v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
float minexptime, float maxexptime, float minsize, float maxsize,
bool collisiondetection, bool collision_removal,
bool collisiondetection, bool collision_removal, bool object_collision,
ServerActiveObject *attached, bool vertical, const std::string &texture,
const std::string &playername, const struct TileAnimationParams &animation,
u8 glow)
@ -3220,8 +3223,8 @@ u32 Server::addParticleSpawner(u16 amount, float spawntime,
SendAddParticleSpawner(peer_id, proto_ver, amount, spawntime,
minpos, maxpos, minvel, maxvel, minacc, maxacc,
minexptime, maxexptime, minsize, maxsize,
collisiondetection, collision_removal, attached_id, vertical,
minexptime, maxexptime, minsize, maxsize, collisiondetection,
collision_removal, object_collision, attached_id, vertical,
texture, id, animation, glow);
return id;

8
src/server.h
View File

@ -229,7 +229,7 @@ public:
void spawnParticle(const std::string &playername,
v3f pos, v3f velocity, v3f acceleration,
float expirationtime, float size,
bool collisiondetection, bool collision_removal,
bool collisiondetection, bool collision_removal, bool object_collision,
bool vertical, const std::string &texture,
const struct TileAnimationParams &animation, u8 glow);
@ -239,7 +239,7 @@ public:
v3f minacc, v3f maxacc,
float minexptime, float maxexptime,
float minsize, float maxsize,
bool collisiondetection, bool collision_removal,
bool collisiondetection, bool collision_removal, bool object_collision,
ServerActiveObject *attached,
bool vertical, const std::string &texture,
const std::string &playername, const struct TileAnimationParams &animation,
@ -444,7 +444,7 @@ private:
v3f minacc, v3f maxacc,
float minexptime, float maxexptime,
float minsize, float maxsize,
bool collisiondetection, bool collision_removal,
bool collisiondetection, bool collision_removal, bool object_collision,
u16 attached_id,
bool vertical, const std::string &texture, u32 id,
const struct TileAnimationParams &animation, u8 glow);
@ -455,7 +455,7 @@ private:
void SendSpawnParticle(session_t peer_id, u16 protocol_version,
v3f pos, v3f velocity, v3f acceleration,
float expirationtime, float size,
bool collisiondetection, bool collision_removal,
bool collisiondetection, bool collision_removal, bool object_collision,
bool vertical, const std::string &texture,
const struct TileAnimationParams &animation, u8 glow);