274 lines
6.4 KiB
C
274 lines
6.4 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/intern/lamp.c
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* \ingroup bke
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*/
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#include <stdlib.h>
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#include "MEM_guardedalloc.h"
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#include "DNA_anim_types.h"
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#include "DNA_lamp_types.h"
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#include "DNA_material_types.h"
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#include "DNA_node_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_texture_types.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_utildefines.h"
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#include "BKE_animsys.h"
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#include "BKE_colortools.h"
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#include "BKE_icons.h"
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#include "BKE_global.h"
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#include "BKE_lamp.h"
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#include "BKE_library.h"
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#include "BKE_main.h"
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#include "BKE_node.h"
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Lamp *BKE_lamp_add(Main *bmain, const char *name)
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{
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Lamp *la;
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la = BKE_libblock_alloc(bmain, ID_LA, name);
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la->r = la->g = la->b = la->k = 1.0f;
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la->haint = la->energy = 1.0f;
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la->dist = 25.0f;
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la->spotsize = DEG2RADF(45.0f);
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la->spotblend = 0.15f;
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la->att2 = 1.0f;
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la->mode = LA_SHAD_BUF;
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la->bufsize = 512;
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la->clipsta = 0.5f;
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la->clipend = 40.0f;
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la->samp = 3;
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la->bias = 1.0f;
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la->soft = 3.0f;
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la->compressthresh = 0.05f;
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la->ray_samp = la->ray_sampy = la->ray_sampz = 1;
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la->area_size = la->area_sizey = la->area_sizez = 0.1f;
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la->buffers = 1;
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la->buftype = LA_SHADBUF_HALFWAY;
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la->ray_samp_method = LA_SAMP_HALTON;
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la->adapt_thresh = 0.001f;
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la->preview = NULL;
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la->falloff_type = LA_FALLOFF_INVSQUARE;
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la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
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la->sun_effect_type = 0;
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la->horizon_brightness = 1.0;
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la->spread = 1.0;
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la->sun_brightness = 1.0;
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la->sun_size = 1.0;
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la->backscattered_light = 1.0f;
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la->atm_turbidity = 2.0f;
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la->atm_inscattering_factor = 1.0f;
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la->atm_extinction_factor = 1.0f;
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la->atm_distance_factor = 1.0f;
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la->sun_intensity = 1.0f;
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la->skyblendtype = MA_RAMP_ADD;
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la->skyblendfac = 1.0f;
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la->sky_colorspace = BLI_XYZ_CIE;
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la->sky_exposure = 1.0f;
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la->shadow_frustum_size = 10.0f;
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curvemapping_initialize(la->curfalloff);
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return la;
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}
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Lamp *BKE_lamp_copy(Lamp *la)
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{
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Lamp *lan;
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int a;
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lan = BKE_libblock_copy(&la->id);
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for (a = 0; a < MAX_MTEX; a++) {
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if (lan->mtex[a]) {
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lan->mtex[a] = MEM_mallocN(sizeof(MTex), "copylamptex");
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memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
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id_us_plus((ID *)lan->mtex[a]->tex);
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}
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}
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lan->curfalloff = curvemapping_copy(la->curfalloff);
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if (la->nodetree)
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lan->nodetree = ntreeCopyTree(la->nodetree);
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if (la->preview)
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lan->preview = BKE_previewimg_copy(la->preview);
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return lan;
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}
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Lamp *localize_lamp(Lamp *la)
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{
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Lamp *lan;
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int a;
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lan = BKE_libblock_copy(&la->id);
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BLI_remlink(&G.main->lamp, lan);
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for (a = 0; a < MAX_MTEX; a++) {
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if (lan->mtex[a]) {
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lan->mtex[a] = MEM_mallocN(sizeof(MTex), "localize_lamp");
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memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
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/* free lamp decrements */
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id_us_plus((ID *)lan->mtex[a]->tex);
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}
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}
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lan->curfalloff = curvemapping_copy(la->curfalloff);
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if (la->nodetree)
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lan->nodetree = ntreeLocalize(la->nodetree);
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lan->preview = NULL;
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return lan;
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}
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void BKE_lamp_make_local(Lamp *la)
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{
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Main *bmain = G.main;
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Object *ob;
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bool is_local = false, is_lib = false;
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/* - only lib users: do nothing
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* - only local users: set flag
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* - mixed: make copy
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*/
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if (la->id.lib == NULL) return;
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if (la->id.us == 1) {
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id_clear_lib_data(bmain, &la->id);
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return;
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}
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ob = bmain->object.first;
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while (ob) {
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if (ob->data == la) {
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if (ob->id.lib) is_lib = true;
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else is_local = true;
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}
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ob = ob->id.next;
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}
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if (is_local && is_lib == false) {
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id_clear_lib_data(bmain, &la->id);
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}
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else if (is_local && is_lib) {
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Lamp *la_new = BKE_lamp_copy(la);
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la_new->id.us = 0;
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/* Remap paths of new ID using old library as base. */
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BKE_id_lib_local_paths(bmain, la->id.lib, &la_new->id);
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ob = bmain->object.first;
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while (ob) {
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if (ob->data == la) {
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if (ob->id.lib == NULL) {
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ob->data = la_new;
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la_new->id.us++;
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la->id.us--;
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}
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}
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ob = ob->id.next;
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}
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}
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}
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void BKE_lamp_free(Lamp *la)
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{
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MTex *mtex;
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int a;
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for (a = 0; a < MAX_MTEX; a++) {
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mtex = la->mtex[a];
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if (mtex && mtex->tex) mtex->tex->id.us--;
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if (mtex) MEM_freeN(mtex);
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}
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BKE_free_animdata((ID *)la);
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curvemapping_free(la->curfalloff);
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/* is no lib link block, but lamp extension */
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if (la->nodetree) {
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ntreeFreeTree(la->nodetree);
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MEM_freeN(la->nodetree);
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}
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BKE_previewimg_free(&la->preview);
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BKE_icon_delete(&la->id);
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la->id.icon_id = 0;
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}
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/* Calculate all drivers for lamps, see material_drivers_update for why this is a bad hack */
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static void lamp_node_drivers_update(Scene *scene, bNodeTree *ntree, float ctime)
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{
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bNode *node;
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/* nodetree itself */
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if (ntree->adt && ntree->adt->drivers.first)
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BKE_animsys_evaluate_animdata(scene, &ntree->id, ntree->adt, ctime, ADT_RECALC_DRIVERS);
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/* nodes */
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for (node = ntree->nodes.first; node; node = node->next)
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if (node->id && node->type == NODE_GROUP)
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lamp_node_drivers_update(scene, (bNodeTree *)node->id, ctime);
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}
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void lamp_drivers_update(Scene *scene, Lamp *la, float ctime)
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{
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/* Prevent infinite recursion by checking (and tagging the lamp) as having been visited already
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* (see BKE_scene_update_tagged()). This assumes la->id.flag & LIB_DOIT isn't set by anything else
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* in the meantime... [#32017] */
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if (la->id.flag & LIB_DOIT)
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return;
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la->id.flag |= LIB_DOIT;
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/* lamp itself */
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if (la->adt && la->adt->drivers.first)
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BKE_animsys_evaluate_animdata(scene, &la->id, la->adt, ctime, ADT_RECALC_DRIVERS);
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/* nodes */
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if (la->nodetree)
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lamp_node_drivers_update(scene, la->nodetree, ctime);
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la->id.flag &= ~LIB_DOIT;
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}
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