mirror of
https://github.com/luanti-org/luanti.git
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Adding particle blend, glow and animation (#4705)
This commit is contained in:
Foghrye4
Zeno-
parent
649448a2a9
commit
93e3555eae
15 changed files with 800 additions and 81 deletions
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@ -43,6 +43,22 @@ v3f random_v3f(v3f min, v3f max)
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rand()/(float)RAND_MAX*(max.Z-min.Z)+min.Z);
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}
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u32 check_material_type_param(u32 material_type_param)
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{
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u32 alphaSource = (material_type_param & 0x0000F000) >> 12;
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u32 modulo = (material_type_param & 0x00000F00) >> 8;
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u32 srcFact = (material_type_param & 0x000000F0) >> 4;
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u32 dstFact = material_type_param & 0x0000000F;
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if (alphaSource <= 3 && modulo <= 4 && srcFact <= 10 && dstFact <= 10) {
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return material_type_param;
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} else {
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errorstream << "Server send incorrect ";
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errorstream << "material_type_param value for particle.";
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errorstream << std::endl;
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return 0;
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}
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}
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Particle::Particle(
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IGameDef *gamedef,
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scene::ISceneManager* smgr,
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@ -58,7 +74,14 @@ Particle::Particle(
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bool vertical,
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video::ITexture *texture,
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v2f texpos,
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v2f texsize
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v2f texsize,
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u32 material_type_param,
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u16 vertical_frame_num,
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u16 horizontal_frame_num,
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u16 first_frame,
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float frame_length,
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bool loop_animation,
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u8 glow
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):
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scene::ISceneNode(smgr->getRootSceneNode(), smgr)
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{
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@ -71,11 +94,26 @@ Particle::Particle(
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m_material.setFlag(video::EMF_BACK_FACE_CULLING, false);
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m_material.setFlag(video::EMF_BILINEAR_FILTER, false);
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m_material.setFlag(video::EMF_FOG_ENABLE, true);
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m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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if (material_type_param != 0) {
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m_material.MaterialType = video::EMT_ONETEXTURE_BLEND;
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m_material.MaterialTypeParam = irr::core::FR(material_type_param);
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// We must disable z-buffer if we want to avoid transparent pixels
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// to overlap pixels with lower z-value.
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m_material.setFlag(video::EMF_ZWRITE_ENABLE, false);
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} else {
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m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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}
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m_material.setTexture(0, texture);
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m_texpos = texpos;
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m_texsize = texsize;
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m_vertical_frame_num = vertical_frame_num;
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m_horizontal_frame_num = horizontal_frame_num;
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m_first_frame = first_frame;
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m_frame_length = frame_length;
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m_loop_animation = loop_animation;
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m_texsize.Y /= m_vertical_frame_num;
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m_texsize.X /= m_horizontal_frame_num;
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// Particle related
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m_pos = pos;
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@ -88,6 +126,7 @@ Particle::Particle(
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m_collisiondetection = collisiondetection;
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m_collision_removal = collision_removal;
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m_vertical = vertical;
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m_glow = glow;
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// Irrlicht stuff
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m_collisionbox = aabb3f
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@ -170,16 +209,29 @@ void Particle::updateLight()
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else
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light = blend_light(m_env->getDayNightRatio(), LIGHT_SUN, 0);
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m_light = decode_light(light);
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m_light = decode_light(light + m_glow);
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}
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void Particle::updateVertices()
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{
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video::SColor c(255, m_light, m_light, m_light);
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f32 tx0 = m_texpos.X;
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f32 tx1 = m_texpos.X + m_texsize.X;
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f32 ty0 = m_texpos.Y;
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f32 ty1 = m_texpos.Y + m_texsize.Y;
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u16 frame = m_first_frame;
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if (m_frame_length > 0) {
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if (m_loop_animation)
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frame = m_first_frame + (u32)(m_time / m_frame_length)
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% (m_vertical_frame_num *
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m_horizontal_frame_num - m_first_frame);
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else if (m_time >=
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(m_vertical_frame_num * m_horizontal_frame_num
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- m_first_frame) * m_frame_length)
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frame = m_vertical_frame_num * m_horizontal_frame_num - 1;
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else
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frame = m_first_frame + (u16)(m_time / m_frame_length);
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}
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f32 tx0 = m_texpos.X + m_texsize.X * (frame % m_horizontal_frame_num);
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f32 tx1 = m_texpos.X + m_texsize.X * (frame % m_horizontal_frame_num + 1);
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f32 ty0 = m_texpos.Y + m_texsize.Y * (frame / m_horizontal_frame_num);
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f32 ty1 = m_texpos.Y + m_texsize.Y * (frame / m_horizontal_frame_num + 1);
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m_vertices[0] = video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0,
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c, tx0, ty1);
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@ -214,7 +266,16 @@ ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr,
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v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
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float minexptime, float maxexptime, float minsize, float maxsize,
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bool collisiondetection, bool collision_removal, u16 attached_id, bool vertical,
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video::ITexture *texture, u32 id, ParticleManager *p_manager) :
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video::ITexture *texture, u32 id,
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u32 material_type_param,
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u16 vertical_frame_num,
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u16 horizontal_frame_num,
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u16 min_first_frame,
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u16 max_first_frame,
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float frame_length,
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bool loop_animation,
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u8 glow,
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ParticleManager *p_manager) :
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m_particlemanager(p_manager)
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{
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m_gamedef = gamedef;
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@ -238,6 +299,14 @@ ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr,
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m_vertical = vertical;
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m_texture = texture;
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m_time = 0;
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m_vertical_frame_num = vertical_frame_num;
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m_horizontal_frame_num = horizontal_frame_num;
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m_min_first_frame = min_first_frame;
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m_max_first_frame = max_first_frame;
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m_frame_length = frame_length;
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m_loop_animation = loop_animation;
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m_material_type_param = material_type_param;
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m_glow = glow;
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for (u16 i = 0; i<=m_amount; i++)
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{
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@ -251,7 +320,6 @@ ParticleSpawner::~ParticleSpawner() {}
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void ParticleSpawner::step(float dtime, ClientEnvironment* env)
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{
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m_time += dtime;
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bool unloaded = false;
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v3f attached_offset = v3f(0,0,0);
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if (m_attached_id != 0) {
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@ -285,7 +353,10 @@ void ParticleSpawner::step(float dtime, ClientEnvironment* env)
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float size = rand()/(float)RAND_MAX
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*(m_maxsize-m_minsize)
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+m_minsize;
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u16 first_frame = m_min_first_frame +
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rand() %
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(m_max_first_frame -
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m_min_first_frame + 1);
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Particle* toadd = new Particle(
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m_gamedef,
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m_smgr,
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@ -301,7 +372,14 @@ void ParticleSpawner::step(float dtime, ClientEnvironment* env)
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m_vertical,
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m_texture,
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v2f(0.0, 0.0),
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v2f(1.0, 1.0));
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v2f(1.0, 1.0),
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m_material_type_param,
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m_vertical_frame_num,
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m_horizontal_frame_num,
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first_frame,
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m_frame_length,
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m_loop_animation,
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m_glow);
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m_particlemanager->addParticle(toadd);
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}
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i = m_spawntimes.erase(i);
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@ -331,7 +409,10 @@ void ParticleSpawner::step(float dtime, ClientEnvironment* env)
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float size = rand()/(float)RAND_MAX
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*(m_maxsize-m_minsize)
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+m_minsize;
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u16 first_frame = m_min_first_frame +
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rand() %
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(m_max_first_frame -
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m_min_first_frame + 1);
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Particle* toadd = new Particle(
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m_gamedef,
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m_smgr,
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@ -347,7 +428,14 @@ void ParticleSpawner::step(float dtime, ClientEnvironment* env)
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m_vertical,
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m_texture,
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v2f(0.0, 0.0),
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v2f(1.0, 1.0));
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v2f(1.0, 1.0),
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m_material_type_param,
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m_vertical_frame_num,
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m_horizontal_frame_num,
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first_frame,
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m_frame_length,
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m_loop_animation,
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m_glow);
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m_particlemanager->addParticle(toadd);
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}
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}
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@ -459,6 +547,39 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, IGameDef *gamedef,
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video::ITexture *texture =
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gamedef->tsrc()->getTextureForMesh(*(event->add_particlespawner.texture));
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float frame_length = -1;
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u16 vertical_frame_num = 1;
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u16 horizontal_frame_num = 1;
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u32 material_type_param =
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check_material_type_param(event->add_particlespawner.material_type_param);
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switch (event->add_particlespawner.animation_type) {
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case AT_NONE:
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break;
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case AT_VERTICAL_FRAMES: {
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v2u32 size = texture->getOriginalSize();
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int frame_height = (float)size.X /
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(float)event->add_particlespawner.vertical_frame_num *
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(float)event->add_particlespawner.horizontal_frame_num;
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vertical_frame_num = size.Y / frame_height;
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frame_length =
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event->add_particlespawner.frame_length /
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vertical_frame_num;
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break;
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}
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case AT_2D_ANIMATION_SHEET: {
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vertical_frame_num =
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event->add_particlespawner.vertical_frame_num;
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horizontal_frame_num =
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event->add_particlespawner.horizontal_frame_num;
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frame_length =
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event->add_particlespawner.frame_length;
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break;
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}
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default:
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break;
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}
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ParticleSpawner* toadd = new ParticleSpawner(gamedef, smgr, player,
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event->add_particlespawner.amount,
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event->add_particlespawner.spawntime,
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@ -478,6 +599,14 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, IGameDef *gamedef,
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event->add_particlespawner.vertical,
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texture,
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event->add_particlespawner.id,
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material_type_param,
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vertical_frame_num,
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horizontal_frame_num,
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event->add_particlespawner.min_first_frame,
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event->add_particlespawner.max_first_frame,
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frame_length,
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event->add_particlespawner.loop_animation,
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event->add_particlespawner.glow,
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this);
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/* delete allocated content of event */
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@ -502,6 +631,39 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, IGameDef *gamedef,
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video::ITexture *texture =
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gamedef->tsrc()->getTextureForMesh(*(event->spawn_particle.texture));
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float frame_length = -1;
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u16 vertical_frame_num = 1;
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u16 horizontal_frame_num = 1;
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u32 material_type_param =
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check_material_type_param(event->spawn_particle.material_type_param);
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switch (event->spawn_particle.animation_type) {
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case AT_NONE:
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break;
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case AT_VERTICAL_FRAMES: {
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v2u32 size = texture->getOriginalSize();
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int frame_height = (float)size.X /
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(float)event->spawn_particle.vertical_frame_num *
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(float)event->spawn_particle.horizontal_frame_num;
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vertical_frame_num = size.Y / frame_height;
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frame_length =
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event->spawn_particle.frame_length /
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vertical_frame_num;
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break;
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}
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case AT_2D_ANIMATION_SHEET: {
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vertical_frame_num =
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event->spawn_particle.vertical_frame_num;
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horizontal_frame_num =
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event->spawn_particle.horizontal_frame_num;
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frame_length =
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event->spawn_particle.frame_length;
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break;
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}
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default:
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break;
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}
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Particle* toadd = new Particle(gamedef, smgr, player, m_env,
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*event->spawn_particle.pos,
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*event->spawn_particle.vel,
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@ -513,13 +675,21 @@ void ParticleManager::handleParticleEvent(ClientEvent *event, IGameDef *gamedef,
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event->spawn_particle.vertical,
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texture,
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v2f(0.0, 0.0),
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v2f(1.0, 1.0));
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v2f(1.0, 1.0),
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material_type_param,
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vertical_frame_num,
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horizontal_frame_num,
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event->spawn_particle.first_frame,
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frame_length,
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event->spawn_particle.loop_animation,
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event->spawn_particle.glow);
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addParticle(toadd);
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delete event->spawn_particle.pos;
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delete event->spawn_particle.vel;
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delete event->spawn_particle.acc;
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delete event->spawn_particle.texture;
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break;
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}
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@ -588,7 +758,8 @@ void ParticleManager::addNodeParticle(IGameDef* gamedef, scene::ISceneManager* s
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false,
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texture,
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texpos,
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texsize);
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texsize,
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0, 1, 1, 0, -1, true, 0);
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addParticle(toadd);
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}
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