diff options
| -rw-r--r-- | scene/resources/particles_material.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h index ac7a500f73..1e1821024e 100644 --- a/scene/resources/particles_material.h +++ b/scene/resources/particles_material.h @@ -61,6 +61,7 @@ public: PARAM_MAX }; + // When extending, make sure not to overflow the size of the MaterialKey below. enum ParticleFlags { PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY, PARTICLE_FLAG_ROTATE_Y, @@ -68,6 +69,7 @@ public: PARTICLE_FLAG_MAX }; + // When extending, make sure not to overflow the size of the MaterialKey below. enum EmissionShape { EMISSION_SHAPE_POINT, EMISSION_SHAPE_SPHERE, @@ -78,6 +80,7 @@ public: EMISSION_SHAPE_MAX }; + // When extending, make sure not to overflow the size of the MaterialKey below. enum SubEmitterMode { SUB_EMITTER_DISABLED, SUB_EMITTER_CONSTANT, @@ -88,11 +91,13 @@ public: private: union MaterialKey { + // The bit size of the struct must be kept below or equal to 32 bits. + // Consider this when extending ParticleFlags, EmissionShape, or SubEmitterMode. struct { uint32_t texture_mask : 16; uint32_t texture_color : 1; uint32_t particle_flags : 4; - uint32_t emission_shape : 2; + uint32_t emission_shape : 3; uint32_t invalid_key : 1; uint32_t has_emission_color : 1; uint32_t sub_emitter : 2; |