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-rw-r--r--scene/3d/particles.cpp70
1 files changed, 62 insertions, 8 deletions
diff --git a/scene/3d/particles.cpp b/scene/3d/particles.cpp
index 10b26778ef..241eb7d1ca 100644
--- a/scene/3d/particles.cpp
+++ b/scene/3d/particles.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -30,6 +30,9 @@
#include "particles.h"
+#include "core/os/os.h"
+#include "scene/resources/particles_material.h"
+
#include "servers/visual_server.h"
AABB Particles::get_aabb() const {
@@ -44,17 +47,23 @@ PoolVector<Face3> Particles::get_faces(uint32_t p_usage_flags) const {
void Particles::set_emitting(bool p_emitting) {
VS::get_singleton()->particles_set_emitting(particles, p_emitting);
+
+ if (p_emitting && one_shot) {
+ set_process_internal(true);
+ } else if (!p_emitting) {
+ set_process_internal(false);
+ }
}
void Particles::set_amount(int p_amount) {
- ERR_FAIL_COND(p_amount < 1);
+ ERR_FAIL_COND_MSG(p_amount < 1, "Amount of particles cannot be smaller than 1.");
amount = p_amount;
VS::get_singleton()->particles_set_amount(particles, amount);
}
void Particles::set_lifetime(float p_lifetime) {
- ERR_FAIL_COND(p_lifetime <= 0);
+ ERR_FAIL_COND_MSG(p_lifetime <= 0, "Particles lifetime must be greater than 0.");
lifetime = p_lifetime;
VS::get_singleton()->particles_set_lifetime(particles, lifetime);
}
@@ -63,8 +72,16 @@ void Particles::set_one_shot(bool p_one_shot) {
one_shot = p_one_shot;
VS::get_singleton()->particles_set_one_shot(particles, one_shot);
- if (!one_shot && is_emitting())
- VisualServer::get_singleton()->particles_restart(particles);
+
+ if (is_emitting()) {
+
+ set_process_internal(true);
+ if (!one_shot)
+ VisualServer::get_singleton()->particles_restart(particles);
+ }
+
+ if (!one_shot)
+ set_process_internal(false);
}
void Particles::set_pre_process_time(float p_time) {
@@ -223,18 +240,34 @@ bool Particles::get_fractional_delta() const {
String Particles::get_configuration_warning() const {
+ if (OS::get_singleton()->get_current_video_driver() == OS::VIDEO_DRIVER_GLES2) {
+ return TTR("GPU-based particles are not supported by the GLES2 video driver.\nUse the CPUParticles node instead. You can use the \"Convert to CPUParticles\" option for this purpose.");
+ }
+
String warnings;
bool meshes_found = false;
+ bool anim_material_found = false;
for (int i = 0; i < draw_passes.size(); i++) {
if (draw_passes[i].is_valid()) {
meshes_found = true;
- break;
+ for (int j = 0; j < draw_passes[i]->get_surface_count(); j++) {
+ anim_material_found = Object::cast_to<ShaderMaterial>(draw_passes[i]->surface_get_material(j).ptr()) != NULL;
+ SpatialMaterial *spat = Object::cast_to<SpatialMaterial>(draw_passes[i]->surface_get_material(j).ptr());
+ anim_material_found = anim_material_found || (spat && spat->get_billboard_mode() == SpatialMaterial::BILLBOARD_PARTICLES);
+ }
+ if (anim_material_found) break;
}
}
+ anim_material_found = anim_material_found || Object::cast_to<ShaderMaterial>(get_material_override().ptr()) != NULL;
+ SpatialMaterial *spat = Object::cast_to<SpatialMaterial>(get_material_override().ptr());
+ anim_material_found = anim_material_found || (spat && spat->get_billboard_mode() == SpatialMaterial::BILLBOARD_PARTICLES);
+
if (!meshes_found) {
+ if (warnings != String())
+ warnings += "\n";
warnings += "- " + TTR("Nothing is visible because meshes have not been assigned to draw passes.");
}
@@ -242,6 +275,15 @@ String Particles::get_configuration_warning() const {
if (warnings != String())
warnings += "\n";
warnings += "- " + TTR("A material to process the particles is not assigned, so no behavior is imprinted.");
+ } else {
+ const ParticlesMaterial *process = Object::cast_to<ParticlesMaterial>(process_material.ptr());
+ if (!anim_material_found && process &&
+ (process->get_param(ParticlesMaterial::PARAM_ANIM_SPEED) != 0.0 || process->get_param(ParticlesMaterial::PARAM_ANIM_OFFSET) != 0.0 ||
+ process->get_param_texture(ParticlesMaterial::PARAM_ANIM_SPEED).is_valid() || process->get_param_texture(ParticlesMaterial::PARAM_ANIM_OFFSET).is_valid())) {
+ if (warnings != String())
+ warnings += "\n";
+ warnings += "- " + TTR("Particles animation requires the usage of a SpatialMaterial whose Billboard Mode is set to \"Particle Billboard\".");
+ }
}
return warnings;
@@ -250,6 +292,7 @@ String Particles::get_configuration_warning() const {
void Particles::restart() {
VisualServer::get_singleton()->particles_restart(particles);
+ VisualServer::get_singleton()->particles_set_emitting(particles, true);
}
AABB Particles::capture_aabb() const {
@@ -278,6 +321,16 @@ void Particles::_notification(int p_what) {
VS::get_singleton()->particles_set_speed_scale(particles, 0);
}
}
+
+ // Use internal process when emitting and one_shot are on so that when
+ // the shot ends the editor can properly update
+ if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
+
+ if (one_shot && !is_emitting()) {
+ _change_notify();
+ set_process_internal(false);
+ }
+ }
}
void Particles::_bind_methods() {
@@ -326,7 +379,7 @@ void Particles::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting");
ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_EXP_RANGE, "1,1000000,1"), "set_amount", "get_amount");
ADD_GROUP("Time", "");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime", PROPERTY_HINT_EXP_RANGE, "0.01,600.0,0.01"), "set_lifetime", "get_lifetime");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime", PROPERTY_HINT_EXP_RANGE, "0.01,600.0,0.01,or_greater"), "set_lifetime", "get_lifetime");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "preprocess", PROPERTY_HINT_EXP_RANGE, "0.00,600.0,0.01"), "set_pre_process_time", "get_pre_process_time");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale");
@@ -358,6 +411,7 @@ Particles::Particles() {
particles = VS::get_singleton()->particles_create();
set_base(particles);
+ one_shot = false; // Needed so that set_emitting doesn't access uninitialized values
set_emitting(true);
set_one_shot(false);
set_amount(8);
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-16 16:31:39 +0000