Code refactoring: split lamp functions from object.c into new lamp.c.

1 files changed, 233 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/lamp.c b/source/blender/blenkernel/intern/lamp.c
new file mode 100644
index 00000000000..974aa660e9f
--- /dev/null
+++ b/source/blender/blenkernel/intern/lamp.c
@@ -0,0 +1,233 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/blenkernel/intern/lamp.c
+ *  \ingroup bke
+ */
+
+#include <stdlib.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_lamp_types.h"
+#include "DNA_material_types.h"
+#include "DNA_object_types.h"
+#include "DNA_texture_types.h"
+
+#include "BLI_listbase.h"
+#include "BLI_math.h"
+#include "BLI_utildefines.h"
+
+#include "BKE_animsys.h"
+#include "BKE_colortools.h"
+#include "BKE_icons.h"
+#include "BKE_global.h"
+#include "BKE_lamp.h"
+#include "BKE_library.h"
+#include "BKE_main.h"
+#include "BKE_node.h"
+
+void *add_lamp(const char *name)
+{
+	Lamp *la;
+	
+	la=  alloc_libblock(&G.main->lamp, ID_LA, name);
+	
+	la->r= la->g= la->b= la->k= 1.0f;
+	la->haint= la->energy= 1.0f;
+	la->dist= 25.0f;
+	la->spotsize= 45.0f;
+	la->spotblend= 0.15f;
+	la->att2= 1.0f;
+	la->mode= LA_SHAD_BUF;
+	la->bufsize= 512;
+	la->clipsta= 0.5f;
+	la->clipend= 40.0f;
+	la->shadspotsize= 45.0f;
+	la->samp= 3;
+	la->bias= 1.0f;
+	la->soft= 3.0f;
+	la->compressthresh= 0.05f;
+	la->ray_samp= la->ray_sampy= la->ray_sampz= 1; 
+	la->area_size=la->area_sizey=la->area_sizez= 1.0f; 
+	la->buffers= 1;
+	la->buftype= LA_SHADBUF_HALFWAY;
+	la->ray_samp_method = LA_SAMP_HALTON;
+	la->adapt_thresh = 0.001f;
+	la->preview=NULL;
+	la->falloff_type = LA_FALLOFF_INVSQUARE;
+	la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
+	la->sun_effect_type = 0;
+	la->horizon_brightness = 1.0;
+	la->spread = 1.0;
+	la->sun_brightness = 1.0;
+	la->sun_size = 1.0;
+	la->backscattered_light = 1.0f;
+	la->atm_turbidity = 2.0f;
+	la->atm_inscattering_factor = 1.0f;
+	la->atm_extinction_factor = 1.0f;
+	la->atm_distance_factor = 1.0f;
+	la->sun_intensity = 1.0f;
+	la->skyblendtype= MA_RAMP_ADD;
+	la->skyblendfac= 1.0f;
+	la->sky_colorspace= BLI_XYZ_CIE;
+	la->sky_exposure= 1.0f;
+	
+	curvemapping_initialize(la->curfalloff);
+	return la;
+}
+
+Lamp *copy_lamp(Lamp *la)
+{
+	Lamp *lan;
+	int a;
+	
+	lan= copy_libblock(la);
+
+	for(a=0; a<MAX_MTEX; a++) {
+		if(lan->mtex[a]) {
+			lan->mtex[a]= MEM_mallocN(sizeof(MTex), "copylamptex");
+			memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
+			id_us_plus((ID *)lan->mtex[a]->tex);
+		}
+	}
+	
+	lan->curfalloff = curvemapping_copy(la->curfalloff);
+
+	if(la->nodetree)
+		lan->nodetree= ntreeCopyTree(la->nodetree);
+	
+	if(la->preview)
+		lan->preview = BKE_previewimg_copy(la->preview);
+	
+	return lan;
+}
+
+Lamp *localize_lamp(Lamp *la)
+{
+	Lamp *lan;
+	int a;
+	
+	lan= copy_libblock(la);
+	BLI_remlink(&G.main->lamp, lan);
+
+	for(a=0; a<MAX_MTEX; a++) {
+		if(lan->mtex[a]) {
+			lan->mtex[a]= MEM_mallocN(sizeof(MTex), "localize_lamp");
+			memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
+			/* free lamp decrements */
+			id_us_plus((ID *)lan->mtex[a]->tex);
+		}
+	}
+	
+	lan->curfalloff = curvemapping_copy(la->curfalloff);
+
+	if(la->nodetree)
+		lan->nodetree= ntreeLocalize(la->nodetree);
+	
+	lan->preview= NULL;
+	
+	return lan;
+}
+
+void make_local_lamp(Lamp *la)
+{
+	Main *bmain= G.main;
+	Object *ob;
+	int is_local= FALSE, is_lib= FALSE;
+
+	/* - only lib users: do nothing
+		* - only local users: set flag
+		* - mixed: make copy
+		*/
+	
+	if(la->id.lib==NULL) return;
+	if(la->id.us==1) {
+		id_clear_lib_data(bmain, &la->id);
+		return;
+	}
+	
+	ob= bmain->object.first;
+	while(ob) {
+		if(ob->data==la) {
+			if(ob->id.lib) is_lib= TRUE;
+			else is_local= TRUE;
+		}
+		ob= ob->id.next;
+	}
+	
+	if(is_local && is_lib == FALSE) {
+		id_clear_lib_data(bmain, &la->id);
+	}
+	else if(is_local && is_lib) {
+		Lamp *lan= copy_lamp(la);
+		lan->id.us= 0;
+
+		/* Remap paths of new ID using old library as base. */
+		BKE_id_lib_local_paths(bmain, &lan->id);
+
+		ob= bmain->object.first;
+		while(ob) {
+			if(ob->data==la) {
+				
+				if(ob->id.lib==NULL) {
+					ob->data= lan;
+					lan->id.us++;
+					la->id.us--;
+				}
+			}
+			ob= ob->id.next;
+		}
+	}
+}
+
+void free_lamp(Lamp *la)
+{
+	MTex *mtex;
+	int a;
+
+	for(a=0; a<MAX_MTEX; a++) {
+		mtex= la->mtex[a];
+		if(mtex && mtex->tex) mtex->tex->id.us--;
+		if(mtex) MEM_freeN(mtex);
+	}
+	
+	BKE_free_animdata((ID *)la);
+
+	curvemapping_free(la->curfalloff);
+
+	/* is no lib link block, but lamp extension */
+	if(la->nodetree) {
+		ntreeFreeTree(la->nodetree);
+		MEM_freeN(la->nodetree);
+	}
+	
+	BKE_previewimg_free(&la->preview);
+	BKE_icon_delete(&la->id);
+	la->id.icon_id = 0;
+}
+