Code refactor: modify mesh storage to use arrays rather than vectors, separate some arrays.

Differential Revision: https://developer.blender.org/D2016

1 files changed, 7 insertions, 4 deletions

diff --git a/intern/cycles/render/particles.cpp b/intern/cycles/render/particles.cpp
index 50726bb4574..1a35d60fb4b 100644
--- a/intern/cycles/render/particles.cpp
+++ b/intern/cycles/render/particles.cpp
@@ -58,8 +58,8 @@ void ParticleSystemManager::device_update_particles(Device *device, DeviceScene
 	 * adds one dummy particle at the beginning to avoid invalid lookups,
 	 * in case a shader uses particle info without actual particle data. */
 	int num_particles = 1;
-	foreach(ParticleSystem *psys, scene->particle_systems)
-		num_particles += psys->particles.size();
+	for(size_t j = 0; j < scene->particle_systems.size(); j++)
+		num_particles += scene->particle_systems[j]->particles.size();
 	
 	float4 *particles = dscene->particles.resize(PARTICLE_SIZE*num_particles);
 	
@@ -71,9 +71,12 @@ void ParticleSystemManager::device_update_particles(Device *device, DeviceScene
 	particles[4] = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
 	
 	int i = 1;
-	foreach(ParticleSystem *psys, scene->particle_systems) {
-		foreach(Particle &pa, psys->particles) {
+	for(size_t j = 0; j < scene->particle_systems.size(); j++) {
+		ParticleSystem *psys = scene->particle_systems[j];
+
+		for(size_t k = 0; k < psys->particles.size(); k++) {
 			/* pack in texture */
+			Particle& pa = psys->particles[k];
 			int offset = i*PARTICLE_SIZE;
 			
 			particles[offset] = make_float4(pa.index, pa.age, pa.lifetime, pa.size);