[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [32706] trunk/blender/source/blender/ editors/space_view3d/drawobject.c: Fix for [#24383] Particles using "circle " as display, are disabled on opening file

[Janne Karhu]

Revision: 32706
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=32706
Author:   jhk
Date:     2010-10-25 19:20:12 +0200 (Mon, 25 Oct 2010)

Log Message:
-----------
Fix for [#24383] Particles using "circle" as display, are disabled on opening 
file

Modified Paths:
--------------
    trunk/blender/source/blender/editors/space_view3d/drawobject.c

Modified: trunk/blender/source/blender/editors/space_view3d/drawobject.c
===================================================================
--- trunk/blender/source/blender/editors/space_view3d/drawobject.c      
2010-10-25 17:08:40 UTC (rev 32705)
+++ trunk/blender/source/blender/editors/space_view3d/drawobject.c      
2010-10-25 17:20:12 UTC (rev 32706)
@@ -3255,16 +3255,22 @@
 static void draw_particle(ParticleKey *state, int draw_as, short draw, float 
pixsize, float imat[4][4], float *draw_line, ParticleBillboardData *bb, 
ParticleDrawData *pdd)
 {
        float vec[3], vec2[3];
-       float *vd = pdd->vd;
-       float *cd = pdd->cd;
+       float *vd = NULL;
+       float *cd = NULL;
        float ma_r=0.0f;
        float ma_g=0.0f;
        float ma_b=0.0f;
 
-       if(pdd->ma_r) {
-               ma_r = *pdd->ma_r;
-               ma_g = *pdd->ma_g;
-               ma_b = *pdd->ma_b;
+       /* null only for PART_DRAW_CIRC */
+       if(pdd) {
+               vd = pdd->vd;
+               cd = pdd->cd;
+
+               if(pdd->ma_r) {
+                       ma_r = *pdd->ma_r;
+                       ma_g = *pdd->ma_g;
+                       ma_b = *pdd->ma_b;
+               }
        }
 
        switch(draw_as){
@@ -3356,8 +3362,6 @@
                }
                case PART_DRAW_CIRC:
                {
-                       if(pdd->ma_r)
-                               glColor3f(ma_r,ma_g,ma_b);
                        drawcircball(GL_LINE_LOOP, state->co, pixsize, imat);
                        break;
                }
@@ -3491,12 +3495,6 @@
        else
                cpack(0);
 
-       if(pdd) {
-               pdd->ma_r = &ma_r;
-               pdd->ma_g = &ma_g;
-               pdd->ma_b = &ma_b;
-       }
-
        timestep= psys_get_timestep(&sim);
 
        if( (base->flag & OB_FROMDUPLI) && (ob->flag & OB_FROMGROUP) ) {
@@ -3650,11 +3648,18 @@
                pdd->tot_vec_size= tot_vec_size;
        }
 
+       if(pdd) {
+               pdd->ma_r = &ma_r;
+               pdd->ma_g = &ma_g;
+               pdd->ma_b = &ma_b;
+       }
+
        psys->lattice= psys_get_lattice(&sim);
 
-       if(pdd && draw_as!=PART_DRAW_PATH){
+       /* circles don't use drawdata, so have to add a special case here */
+       if((pdd || draw_as==PART_DRAW_CIRC) && draw_as!=PART_DRAW_PATH){
 /* 5. */
-               if((pdd->flag & PARTICLE_DRAW_DATA_UPDATED)
+               if(pdd && (pdd->flag & PARTICLE_DRAW_DATA_UPDATED)
                        && (pdd->vedata || part->draw & 
(PART_DRAW_SIZE|PART_DRAW_NUM|PART_DRAW_HEALTH))==0) {
                        totpoint = pdd->totpoint; /* draw data is up to date */
                }


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