X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fparticles.cpp;h=14c987958bdb84639170170f49001d1c1aa68d73;hb=a89afe1229e327da3c397a3912b2d43d2196ea2b;hp=ce5a4013fc5efed6e3907021be289c041879f144;hpb=a5377251e213803f61752594b7b52d31ac410bb2;p=minetest.git diff --git a/src/particles.cpp b/src/particles.cpp index ce5a4013f..14c987958 100644 --- a/src/particles.cpp +++ b/src/particles.cpp @@ -1,6 +1,6 @@ /* Minetest -Copyright (C) 2013 celeron55, Perttu Ahola +Copyright (C) 2020 sfan5 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 @@ -18,450 +18,46 @@ with this program; if not, write to the Free Software Foundation, Inc., */ #include "particles.h" -#include "constants.h" -#include "debug.h" -#include "main.h" // For g_profiler and g_settings -#include "settings.h" -#include "tile.h" -#include "gamedef.h" -#include "collision.h" -#include -#include "util/numeric.h" -#include "light.h" -#include "environment.h" -#include "clientmap.h" -#include "mapnode.h" - -/* - Utility -*/ - -v3f random_v3f(v3f min, v3f max) -{ - return v3f( rand()/(float)RAND_MAX*(max.X-min.X)+min.X, - rand()/(float)RAND_MAX*(max.Y-min.Y)+min.Y, - rand()/(float)RAND_MAX*(max.Z-min.Z)+min.Z); -} - -std::vector all_particles; -std::map all_particlespawners; - -Particle::Particle( - IGameDef *gamedef, - scene::ISceneManager* smgr, - LocalPlayer *player, - ClientEnvironment &env, - v3f pos, - v3f velocity, - v3f acceleration, - float expirationtime, - float size, - bool collisiondetection, - video::ITexture *texture, - v2f texpos, - v2f texsize -): - scene::ISceneNode(smgr->getRootSceneNode(), smgr) -{ - // Misc - m_gamedef = gamedef; - - // Texture - m_material.setFlag(video::EMF_LIGHTING, false); - m_material.setFlag(video::EMF_BACK_FACE_CULLING, false); - m_material.setFlag(video::EMF_BILINEAR_FILTER, false); - m_material.setFlag(video::EMF_FOG_ENABLE, true); - m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; - m_material.setTexture(0, texture); - m_texpos = texpos; - m_texsize = texsize; - - - // Particle related - m_pos = pos; - m_velocity = velocity; - m_acceleration = acceleration; - m_expiration = expirationtime; - m_time = 0; - m_player = player; - m_size = size; - m_collisiondetection = collisiondetection; - - // Irrlicht stuff - m_collisionbox = core::aabbox3d - (-size/2,-size/2,-size/2,size/2,size/2,size/2); - this->setAutomaticCulling(scene::EAC_OFF); - - // Init lighting - updateLight(env); - - // Init model - updateVertices(); - - all_particles.push_back(this); -} - -Particle::~Particle() -{ -} - -void Particle::OnRegisterSceneNode() -{ - if (IsVisible) - { - SceneManager->registerNodeForRendering - (this, scene::ESNRP_TRANSPARENT); - SceneManager->registerNodeForRendering - (this, scene::ESNRP_SOLID); - } - - ISceneNode::OnRegisterSceneNode(); -} - -void Particle::render() -{ - // TODO: Render particles in front of water and the selectionbox - - video::IVideoDriver* driver = SceneManager->getVideoDriver(); - driver->setMaterial(m_material); - driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); - - u16 indices[] = {0,1,2, 2,3,0}; - driver->drawVertexPrimitiveList(m_vertices, 4, - indices, 2, video::EVT_STANDARD, - scene::EPT_TRIANGLES, video::EIT_16BIT); -} - -void Particle::step(float dtime, ClientEnvironment &env) -{ - m_time += dtime; - if (m_collisiondetection) - { - core::aabbox3d box = m_collisionbox; - v3f p_pos = m_pos*BS; - v3f p_velocity = m_velocity*BS; - v3f p_acceleration = m_acceleration*BS; - collisionMoveSimple(&env, m_gamedef, - BS*0.5, box, - 0, dtime, - p_pos, p_velocity, p_acceleration); - m_pos = p_pos/BS; - m_velocity = p_velocity/BS; - m_acceleration = p_acceleration/BS; - } - else - { - m_velocity += m_acceleration * dtime; - m_pos += m_velocity * dtime; - } - - // Update lighting - updateLight(env); - - // Update model - updateVertices(); -} - -void Particle::updateLight(ClientEnvironment &env) -{ - u8 light = 0; - try{ - v3s16 p = v3s16( - floor(m_pos.X+0.5), - floor(m_pos.Y+0.5), - floor(m_pos.Z+0.5) - ); - MapNode n = env.getClientMap().getNode(p); - light = n.getLightBlend(env.getDayNightRatio(), m_gamedef->ndef()); - } - catch(InvalidPositionException &e){ - light = blend_light(env.getDayNightRatio(), LIGHT_SUN, 0); - } - m_light = decode_light(light); -} - -void Particle::updateVertices() -{ - video::SColor c(255, m_light, m_light, m_light); - f32 tx0 = m_texpos.X; - f32 tx1 = m_texpos.X + m_texsize.X; - f32 ty0 = m_texpos.Y; - f32 ty1 = m_texpos.Y + m_texsize.Y; - - m_vertices[0] = video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0, - c, tx0, ty1); - m_vertices[1] = video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0, - c, tx1, ty1); - m_vertices[2] = video::S3DVertex(m_size/2,m_size/2,0, 0,0,0, - c, tx1, ty0); - m_vertices[3] = video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0, - c, tx0, ty0); - - for(u16 i=0; i<4; i++) - { - m_vertices[i].Pos.rotateYZBy(m_player->getPitch()); - m_vertices[i].Pos.rotateXZBy(m_player->getYaw()); - m_box.addInternalPoint(m_vertices[i].Pos); - m_vertices[i].Pos += m_pos*BS; - } -} - - -/* - Helpers -*/ - - -void allparticles_step (float dtime, ClientEnvironment &env) -{ - for(std::vector::iterator i = all_particles.begin(); - i != all_particles.end();) - { - if ((*i)->get_expired()) - { - (*i)->remove(); - delete *i; - i = all_particles.erase(i); - } - else - { - (*i)->step(dtime, env); - i++; - } - } -} - -void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, - LocalPlayer *player, ClientEnvironment &env, v3s16 pos, - const TileSpec tiles[]) -{ - for (u16 j = 0; j < 32; j++) // set the amount of particles here - { - addNodeParticle(gamedef, smgr, player, env, pos, tiles); - } -} - -void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, - LocalPlayer *player, ClientEnvironment &env, - v3s16 pos, const TileSpec tiles[]) -{ - addNodeParticle(gamedef, smgr, player, env, pos, tiles); -} - -// add a particle of a node -// used by digging and punching particles -void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, - LocalPlayer *player, ClientEnvironment &env, v3s16 pos, - const TileSpec tiles[]) -{ - // Texture - u8 texid = myrand_range(0,5); - video::ITexture *texture = tiles[texid].texture; - - // Only use first frame of animated texture - f32 ymax = 1; - if(tiles[texid].material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES) - ymax /= tiles[texid].animation_frame_count; - - float size = rand()%64/512.; - float visual_size = BS*size; - v2f texsize(size*2, ymax*size*2); - v2f texpos; - texpos.X = ((rand()%64)/64.-texsize.X); - texpos.Y = ymax*((rand()%64)/64.-texsize.Y); - - // Physics - v3f velocity( (rand()%100/50.-1)/1.5, - rand()%100/35., - (rand()%100/50.-1)/1.5); - - v3f acceleration(0,-9,0); - v3f particlepos = v3f( - (f32)pos.X+rand()%100/200.-0.25, - (f32)pos.Y+rand()%100/200.-0.25, - (f32)pos.Z+rand()%100/200.-0.25 - ); - - new Particle( - gamedef, - smgr, - player, - env, - particlepos, - velocity, - acceleration, - rand()%100/100., // expiration time - visual_size, - true, - texture, - texpos, - texsize); -} - -/* - ParticleSpawner -*/ - -ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr, 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, video::ITexture *texture, u32 id) -{ - m_gamedef = gamedef; - m_smgr = smgr; - m_player = player; - m_amount = amount; - m_spawntime = time; - m_minpos = minpos; - m_maxpos = maxpos; - m_minvel = minvel; - m_maxvel = maxvel; - m_minacc = minacc; - m_maxacc = maxacc; - m_minexptime = minexptime; - m_maxexptime = maxexptime; - m_minsize = minsize; - m_maxsize = maxsize; - m_collisiondetection = collisiondetection; - m_texture = texture; - m_time = 0; - - for (u16 i = 0; i<=m_amount; i++) - { - float spawntime = (float)rand()/(float)RAND_MAX*m_spawntime; - m_spawntimes.push_back(spawntime); - } - - all_particlespawners.insert(std::pair(id, this)); -} - -ParticleSpawner::~ParticleSpawner() {} - -void ParticleSpawner::step(float dtime, ClientEnvironment &env) -{ - m_time += dtime; - - if (m_spawntime != 0) // Spawner exists for a predefined timespan - { - for(std::vector::iterator i = m_spawntimes.begin(); - i != m_spawntimes.end();) - { - if ((*i) <= m_time && m_amount > 0) - { - m_amount--; - - v3f pos = random_v3f(m_minpos, m_maxpos); - v3f vel = random_v3f(m_minvel, m_maxvel); - v3f acc = random_v3f(m_minacc, m_maxacc); - float exptime = rand()/(float)RAND_MAX - *(m_maxexptime-m_minexptime) - +m_minexptime; - float size = rand()/(float)RAND_MAX - *(m_maxsize-m_minsize) - +m_minsize; - - new Particle( - m_gamedef, - m_smgr, - m_player, - env, - pos, - vel, - acc, - exptime, - size, - m_collisiondetection, - m_texture, - v2f(0.0, 0.0), - v2f(1.0, 1.0)); - i = m_spawntimes.erase(i); - } - else - { - i++; - } - } - } - else // Spawner exists for an infinity timespan, spawn on a per-second base - { - for (int i = 0; i <= m_amount; i++) - { - if (rand()/(float)RAND_MAX < dtime) - { - v3f pos = random_v3f(m_minpos, m_maxpos); - v3f vel = random_v3f(m_minvel, m_maxvel); - v3f acc = random_v3f(m_minacc, m_maxacc); - float exptime = rand()/(float)RAND_MAX - *(m_maxexptime-m_minexptime) - +m_minexptime; - float size = rand()/(float)RAND_MAX - *(m_maxsize-m_minsize) - +m_minsize; - - new Particle( - m_gamedef, - m_smgr, - m_player, - env, - pos, - vel, - acc, - exptime, - size, - m_collisiondetection, - m_texture, - v2f(0.0, 0.0), - v2f(1.0, 1.0)); - } - } - } -} - -void allparticlespawners_step (float dtime, ClientEnvironment &env) -{ - for(std::map::iterator i = - all_particlespawners.begin(); - i != all_particlespawners.end();) - { - if (i->second->get_expired()) - { - delete i->second; - all_particlespawners.erase(i++); - } - else - { - i->second->step(dtime, env); - i++; - } - } -} - -void delete_particlespawner (u32 id) -{ - if (all_particlespawners.find(id) != all_particlespawners.end()) - { - delete all_particlespawners.find(id)->second; - all_particlespawners.erase(id); - } -} - -void clear_particles () -{ - for(std::map::iterator i = - all_particlespawners.begin(); - i != all_particlespawners.end();) - { - delete i->second; - all_particlespawners.erase(i++); - } - - for(std::vector::iterator i = - all_particles.begin(); - i != all_particles.end();) - { - (*i)->remove(); - delete *i; - i = all_particles.erase(i); - } +#include "util/serialize.h" + +void ParticleParameters::serialize(std::ostream &os, u16 protocol_ver) const +{ + writeV3F32(os, pos); + writeV3F32(os, vel); + writeV3F32(os, acc); + writeF32(os, expirationtime); + writeF32(os, size); + writeU8(os, collisiondetection); + os << serializeString32(texture); + writeU8(os, vertical); + writeU8(os, collision_removal); + animation.serialize(os, 6); /* NOT the protocol ver */ + writeU8(os, glow); + writeU8(os, object_collision); + writeU16(os, node.param0); + writeU8(os, node.param2); + writeU8(os, node_tile); +} + +void ParticleParameters::deSerialize(std::istream &is, u16 protocol_ver) +{ + pos = readV3F32(is); + vel = readV3F32(is); + acc = readV3F32(is); + expirationtime = readF32(is); + size = readF32(is); + collisiondetection = readU8(is); + texture = deSerializeString32(is); + vertical = readU8(is); + collision_removal = readU8(is); + animation.deSerialize(is, 6); /* NOT the protocol ver */ + glow = readU8(is); + object_collision = readU8(is); + // This is kinda awful + u16 tmp_param0 = readU16(is); + if (is.eof()) + return; + node.param0 = tmp_param0; + node.param2 = readU8(is); + node_tile = readU8(is); }