historical/toontown-classic.git/panda/include/particleSystem.I
2024-01-16 11:20:27 -06:00

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file particleSystem.I
* @author charles
* @date 2000-06-14
*/
/**
* Populates an attached GeomNode structure with the particle geometry for
* rendering. This is a wrapper for accessability.
*/
INLINE void ParticleSystem::
render() {
_renderer->render(_physics_objects, _living_particles);
}
/**
* Forces the birth of a particle litter this frame by resetting
* _tics_since_birth
*/
INLINE void ParticleSystem::
induce_labor() {
_tics_since_birth = _cur_birth_rate;
}
/**
* Resets the system to its start state by resizing to 0, then resizing back
* to current size.
*/
INLINE void ParticleSystem::
clear_to_initial() {
BaseParticle *bp;
int i;
for(i = 0; i < (int)_physics_objects.size(); i++) {
bp = (BaseParticle *)_physics_objects[i].p();
if(bp->get_alive()) {
kill_particle(i);
}
}
_tics_since_birth = 0.0f;
}
/**
* Causes system to use birth rate set by set_birth_rate()
*/
INLINE void ParticleSystem::
soft_start(PN_stdfloat br) {
if (br > 0.0)
set_birth_rate(br);
_cur_birth_rate = _birth_rate;
_tics_since_birth = 0.0f;
}
/**
* Causes system to use birth rate set by set_soft_birth_rate()
*/
INLINE void ParticleSystem::
soft_stop(PN_stdfloat br) {
if (br > 0.0)
set_soft_birth_rate(br);
_cur_birth_rate = _soft_birth_rate;
_tics_since_birth = 0.0f;
}
/**
*/
INLINE void ParticleSystem::
set_pool_size(int size) {
resize_pool(size);
}
/**
*/
INLINE void ParticleSystem::
set_birth_rate(PN_stdfloat new_br) {
_birth_rate = new_br;
_cur_birth_rate = _birth_rate;
if(IS_NEARLY_ZERO(_birth_rate)) _birth_rate = NEARLY_ZERO(PN_stdfloat);
}
/**
*/
INLINE void ParticleSystem::
set_soft_birth_rate(PN_stdfloat new_br) {
_soft_birth_rate = new_br;
if(IS_NEARLY_ZERO(_soft_birth_rate)) _soft_birth_rate = NEARLY_ZERO(PN_stdfloat);
}
/**
*/
INLINE void ParticleSystem::
set_litter_size(int new_ls) {
_litter_size = new_ls;
}
/**
*/
INLINE void ParticleSystem::
set_litter_spread(int new_ls) {
_litter_spread = new_ls;
}
/**
*/
INLINE void ParticleSystem::
set_renderer(BaseParticleRenderer *r) {
_renderer = r;
_renderer->resize_pool(_particle_pool_size);
_render_node_path.remove_node();
_render_node_path = _renderer->get_render_node_path();
_render_node_path.reparent_to(_render_parent);
}
/**
*/
INLINE void ParticleSystem::
set_emitter(BaseParticleEmitter *e) {
_emitter = e;
}
/**
*/
INLINE void ParticleSystem::
set_factory(BaseParticleFactory *f) {
int pool_size = _particle_pool_size;
set_pool_size(0);
_factory = f;
clear_physics_objects();
set_pool_size(pool_size);
}
/**
*/
INLINE void ParticleSystem::
set_floor_z(PN_stdfloat z) {
_floor_z = z;
}
/**
*/
INLINE void ParticleSystem::
set_active_system_flag(bool a) {
_active_system_flag = a;
}
/**
*/
INLINE void ParticleSystem::
set_local_velocity_flag(bool lv) {
_local_velocity_flag = lv;
}
/**
*/
INLINE void ParticleSystem::
set_spawn_on_death_flag(bool sod) {
_spawn_on_death_flag = sod;
}
/**
*/
INLINE void ParticleSystem::
set_system_grows_older_flag(bool sgo) {
_system_grows_older_flag = sgo;
}
/**
*/
INLINE void ParticleSystem::
set_system_lifespan(PN_stdfloat sl) {
_system_lifespan = sl;
}
/**
*/
INLINE void ParticleSystem::
set_system_age(PN_stdfloat age) {
_system_age = age;
}
/**
*/
INLINE void ParticleSystem::
set_spawn_render_node(PandaNode *node) {
set_spawn_render_node_path(NodePath(node));
}
/**
*/
INLINE void ParticleSystem::
set_spawn_render_node_path(const NodePath &node) {
_spawn_render_node_path = node;
}
/**
*/
INLINE void ParticleSystem::
set_render_parent(PandaNode *node) {
set_render_parent(NodePath(node));
}
/**
*/
INLINE void ParticleSystem::
set_render_parent(const NodePath &node) {
_render_node_path.remove_node();
_render_parent = node;
_render_node_path = _renderer->get_render_node_path();
_render_node_path.reparent_to(_render_parent);
}
/**
*/
INLINE void ParticleSystem::
set_template_system_flag(bool tsf) {
_template_system_flag = tsf;
}
/**
*/
INLINE void ParticleSystem::
add_spawn_template(ParticleSystem *ps) {
_spawn_templates.push_back(ps);
}
/**
*/
INLINE void ParticleSystem::
clear_spawn_templates() {
_spawn_templates.erase(_spawn_templates.begin(),
_spawn_templates.end());
}
/**
*/
INLINE void ParticleSystem::
clear_floor_z() {
_floor_z = -HUGE_VAL;
}
/**
*/
INLINE int ParticleSystem::
get_pool_size() const {
return _particle_pool_size;
}
/**
*/
INLINE PN_stdfloat ParticleSystem::
get_birth_rate() const {
return _birth_rate;
}
/**
*/
INLINE PN_stdfloat ParticleSystem::
get_soft_birth_rate() const {
return _soft_birth_rate;
}
/**
*/
INLINE int ParticleSystem::
get_litter_size() const {
return _litter_size;
}
/**
*/
INLINE int ParticleSystem::
get_litter_spread() const {
return _litter_spread;
}
/**
*/
INLINE BaseParticleRenderer *ParticleSystem::
get_renderer() const {
return _renderer;
}
/**
*/
INLINE BaseParticleEmitter *ParticleSystem::
get_emitter() const {
return _emitter;
}
/**
*/
INLINE BaseParticleFactory *ParticleSystem::
get_factory() const {
return _factory;
}
/**
*/
INLINE PN_stdfloat ParticleSystem::
get_floor_z() const {
return _floor_z;
}
/**
*/
INLINE int ParticleSystem::
get_living_particles() const {
return _living_particles;
}
/**
*/
INLINE bool ParticleSystem::
get_active_system_flag() const {
return _active_system_flag;
}
/**
*/
INLINE bool ParticleSystem::
get_local_velocity_flag() const {
return _local_velocity_flag;
}
/**
*/
INLINE bool ParticleSystem::
get_spawn_on_death_flag() const {
return _spawn_on_death_flag;
}
/**
*/
INLINE bool ParticleSystem::
get_system_grows_older_flag() const {
return _system_grows_older_flag;
}
/**
*/
INLINE PN_stdfloat ParticleSystem::
get_system_lifespan() const {
return _system_lifespan;
}
/**
*/
INLINE PN_stdfloat ParticleSystem::
get_system_age() const {
return _system_age;
}
/**
*/
INLINE bool ParticleSystem::
get_i_was_spawned_flag() const {
return _i_was_spawned_flag;
}
/**
*/
INLINE PandaNode *ParticleSystem::
get_spawn_render_node() const {
return _spawn_render_node_path.node();
}
/**
*/
INLINE NodePath ParticleSystem::
get_spawn_render_node_path() const {
return _spawn_render_node_path;
}
/**
*/
INLINE NodePath ParticleSystem::
get_render_parent() const {
return _render_parent;
}