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particles: add amount property to sub property collision.

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This commit is contained in:
Lamia 2022-09-24 22:22:37 +10:00
parent 6b986f1855
commit 5af6f4a04b
3 changed files with 32 additions and 1 deletions
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4
doc/classes/ParticleProcessMaterial.xml
View File

@ -259,6 +259,10 @@
<member name="spread" type="float" setter="set_spread" getter="get_spread" default="45.0">
Each particle's initial direction range from [code]+spread[/code] to [code]-spread[/code] degrees.
</member>
<member name="sub_emitter_amount_at_collision" type="int" setter="set_sub_emitter_amount_at_collision" getter="get_sub_emitter_amount_at_collision">
Sub particle amount on collision.
Maximum amount set in the sub particles emitter.
</member>
<member name="sub_emitter_amount_at_end" type="int" setter="set_sub_emitter_amount_at_end" getter="get_sub_emitter_amount_at_end">
</member>
<member name="sub_emitter_frequency" type="float" setter="set_sub_emitter_frequency" getter="get_sub_emitter_frequency">

24
scene/resources/particle_process_material.cpp
View File

@ -115,6 +115,7 @@ void ParticleProcessMaterial::init_shaders() {
shader_names->sub_emitter_frequency = "sub_emitter_frequency";
shader_names->sub_emitter_amount_at_end = "sub_emitter_amount_at_end";
shader_names->sub_emitter_amount_at_collision = "sub_emitter_amount_at_collision";
shader_names->sub_emitter_keep_velocity = "sub_emitter_keep_velocity";
shader_names->collision_friction = "collision_friction";
@ -235,6 +236,9 @@ void ParticleProcessMaterial::_update_shader() {
if (sub_emitter_mode == SUB_EMITTER_AT_END) {
code += "uniform int sub_emitter_amount_at_end;\n";
}
if (sub_emitter_mode == SUB_EMITTER_AT_COLLISION) {
code += "uniform int sub_emitter_amount_at_collision;\n";
}
code += "uniform bool sub_emitter_keep_velocity;\n";
}
@ -874,7 +878,7 @@ void ParticleProcessMaterial::_update_shader() {
code += " if (DELTA >= interval_rem) emit_count = 1;\n";
} break;
case SUB_EMITTER_AT_COLLISION: {
code += " if (COLLIDED) emit_count = 1;\n";
code += " if (COLLIDED) emit_count = sub_emitter_amount_at_collision;\n";
} break;
case SUB_EMITTER_AT_END: {
code += " float unit_delta = DELTA/LIFETIME;\n";
@ -1433,6 +1437,10 @@ void ParticleProcessMaterial::_validate_property(PropertyInfo &p_property) const
p_property.usage = PROPERTY_USAGE_NONE;
}
if (p_property.name == "sub_emitter_amount_at_collision" && sub_emitter_mode != SUB_EMITTER_AT_COLLISION) {
p_property.usage = PROPERTY_USAGE_NONE;
}
if (p_property.name.begins_with("orbit_") && !particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
p_property.usage = PROPERTY_USAGE_NONE;
}
@ -1488,6 +1496,15 @@ int ParticleProcessMaterial::get_sub_emitter_amount_at_end() const {
return sub_emitter_amount_at_end;
}
void ParticleProcessMaterial::set_sub_emitter_amount_at_collision(int p_amount) {
sub_emitter_amount_at_collision = p_amount;
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_amount_at_collision, p_amount);
}
int ParticleProcessMaterial::get_sub_emitter_amount_at_collision() const {
return sub_emitter_amount_at_collision;
}
void ParticleProcessMaterial::set_sub_emitter_keep_velocity(bool p_enable) {
sub_emitter_keep_velocity = p_enable;
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_keep_velocity, p_enable);
@ -1640,6 +1657,9 @@ void ParticleProcessMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_sub_emitter_amount_at_end"), &ParticleProcessMaterial::get_sub_emitter_amount_at_end);
ClassDB::bind_method(D_METHOD("set_sub_emitter_amount_at_end", "amount"), &ParticleProcessMaterial::set_sub_emitter_amount_at_end);
ClassDB::bind_method(D_METHOD("get_sub_emitter_amount_at_collision"), &ParticleProcessMaterial::get_sub_emitter_amount_at_collision);
ClassDB::bind_method(D_METHOD("set_sub_emitter_amount_at_collision", "amount"), &ParticleProcessMaterial::set_sub_emitter_amount_at_collision);
ClassDB::bind_method(D_METHOD("get_sub_emitter_keep_velocity"), &ParticleProcessMaterial::get_sub_emitter_keep_velocity);
ClassDB::bind_method(D_METHOD("set_sub_emitter_keep_velocity", "enable"), &ParticleProcessMaterial::set_sub_emitter_keep_velocity);
@ -1752,6 +1772,7 @@ void ParticleProcessMaterial::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_mode", PROPERTY_HINT_ENUM, "Disabled,Constant,At End,At Collision"), "set_sub_emitter_mode", "get_sub_emitter_mode");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sub_emitter_frequency", PROPERTY_HINT_RANGE, "0.01,100,0.01,suffix:Hz"), "set_sub_emitter_frequency", "get_sub_emitter_frequency");
ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_end", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_end", "get_sub_emitter_amount_at_end");
ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_collision", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_collision", "get_sub_emitter_amount_at_collision");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sub_emitter_keep_velocity"), "set_sub_emitter_keep_velocity", "get_sub_emitter_keep_velocity");
ADD_GROUP("Attractor Interaction", "attractor_interaction_");
@ -1859,6 +1880,7 @@ ParticleProcessMaterial::ParticleProcessMaterial() :
set_sub_emitter_mode(SUB_EMITTER_DISABLED);
set_sub_emitter_frequency(4);
set_sub_emitter_amount_at_end(1);
set_sub_emitter_amount_at_collision(1);
set_sub_emitter_keep_velocity(false);
set_attractor_interaction_enabled(true);

5
scene/resources/particle_process_material.h
View File

@ -246,6 +246,7 @@ private:
StringName sub_emitter_frequency;
StringName sub_emitter_amount_at_end;
StringName sub_emitter_amount_at_collision;
StringName sub_emitter_keep_velocity;
StringName collision_friction;
@ -304,6 +305,7 @@ private:
SubEmitterMode sub_emitter_mode;
double sub_emitter_frequency = 0.0;
int sub_emitter_amount_at_end = 0;
int sub_emitter_amount_at_collision = 0;
bool sub_emitter_keep_velocity = false;
//do not save emission points here
@ -418,6 +420,9 @@ public:
void set_sub_emitter_amount_at_end(int p_amount);
int get_sub_emitter_amount_at_end() const;
void set_sub_emitter_amount_at_collision(int p_amount);
int get_sub_emitter_amount_at_collision() const;
void set_sub_emitter_keep_velocity(bool p_enable);
bool get_sub_emitter_keep_velocity() const;