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path: root/source/blender/render/intern/source/voxeldata.c
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Diffstat (limited to 'source/blender/render/intern/source/voxeldata.c')
-rw-r--r--source/blender/render/intern/source/voxeldata.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/source/blender/render/intern/source/voxeldata.c b/source/blender/render/intern/source/voxeldata.c
deleted file mode 100644
index 17858e55e3d..00000000000
--- a/source/blender/render/intern/source/voxeldata.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/**
- *
- * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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): Raul Fernandez Hernandez (Farsthary), Matt Ebb.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_arithb.h"
-#include "BLI_blenlib.h"
-#include "BLI_voxel.h"
-
-#include "IMB_imbuf.h"
-#include "IMB_imbuf_types.h"
-
-#include "BKE_global.h"
-#include "BKE_image.h"
-#include "BKE_main.h"
-#include "BKE_modifier.h"
-
-#include "smoke_API.h"
-
-#include "DNA_texture_types.h"
-#include "DNA_object_types.h"
-#include "DNA_modifier_types.h"
-#include "DNA_smoke_types.h"
-
-
-#include "render_types.h"
-#include "renderdatabase.h"
-#include "texture.h"
-#include "voxeldata.h"
-
-void load_frame_blendervoxel(FILE *fp, float *F, int size, int frame, int offset)
-{
- fseek(fp,frame*size*sizeof(float)+offset,0);
- fread(F,sizeof(float),size,fp);
-}
-
-void load_frame_raw8(FILE *fp, float *F, int size, int frame)
-{
- char *tmp;
- int i;
-
- tmp = (char *)MEM_mallocN(sizeof(char)*size, "temporary voxel file reading storage");
-
- fseek(fp,(frame-1)*size*sizeof(char),0);
- fread(tmp, sizeof(char), size, fp);
-
- for (i=0; i<size; i++) {
- F[i] = (float)tmp[i] / 256.f;
- }
- MEM_freeN(tmp);
-}
-
-void load_frame_image_sequence(Render *re, VoxelData *vd, Tex *tex)
-{
- ImBuf *ibuf;
- Image *ima = tex->ima;
- ImageUser *iuser = &tex->iuser;
- int x=0, y=0, z=0;
- float *rf;
-
- if (!ima || !iuser) return;
-
- ima->source = IMA_SRC_SEQUENCE;
- iuser->framenr = 1 + iuser->offset;
-
- /* find the first valid ibuf and use it to initialise the resolution of the data set */
- /* need to do this in advance so we know how much memory to allocate */
- ibuf= BKE_image_get_ibuf(ima, iuser);
- while (!ibuf && (iuser->framenr < iuser->frames)) {
- iuser->framenr++;
- ibuf= BKE_image_get_ibuf(ima, iuser);
- }
- if (!ibuf) return;
- if (!ibuf->rect_float) IMB_float_from_rect(ibuf);
-
- vd->flag |= TEX_VD_STILL;
- vd->resol[0] = ibuf->x;
- vd->resol[1] = ibuf->y;
- vd->resol[2] = iuser->frames;
- vd->dataset = MEM_mapallocN(sizeof(float)*(vd->resol[0])*(vd->resol[1])*(vd->resol[2]), "voxel dataset");
-
- for (z=0; z < iuser->frames; z++)
- {
- /* get a new ibuf for each frame */
- if (z > 0) {
- iuser->framenr++;
- ibuf= BKE_image_get_ibuf(ima, iuser);
- if (!ibuf) break;
- if (!ibuf->rect_float) IMB_float_from_rect(ibuf);
- }
- rf = ibuf->rect_float;
-
- for (y=0; y < ibuf->y; y++)
- {
- for (x=0; x < ibuf->x; x++)
- {
- /* currently converted to monchrome */
- vd->dataset[ V_I(x, y, z, vd->resol) ] = (rf[0] + rf[1] + rf[2])*0.333f;
- rf +=4;
- }
- }
-
- BKE_image_free_anim_ibufs(ima, iuser->framenr);
- }
-}
-
-void write_voxeldata_header(struct VoxelDataHeader *h, FILE *fp)
-{
- fwrite(h,sizeof(struct VoxelDataHeader),1,fp);
-}
-
-void read_voxeldata_header(FILE *fp, struct VoxelData *vd)
-{
- VoxelDataHeader *h=(VoxelDataHeader *)MEM_mallocN(sizeof(VoxelDataHeader), "voxel data header");
-
- rewind(fp);
- fread(h,sizeof(VoxelDataHeader),1,fp);
-
- vd->resol[0]=h->resolX;
- vd->resol[1]=h->resolY;
- vd->resol[2]=h->resolZ;
-
- MEM_freeN(h);
-}
-
-void init_frame_smoke(Render *re, VoxelData *vd, Tex *tex)
-{
- Object *ob;
- ModifierData *md;
-
- vd->dataset = NULL;
- if (vd->object == NULL) return;
- ob= vd->object;
-
- /* draw code for smoke */
- if( (md = (ModifierData *)modifiers_findByType(ob, eModifierType_Smoke)) )
- {
- SmokeModifierData *smd = (SmokeModifierData *)md;
-
- if(smd->domain && smd->domain->fluid) {
- //int big = (smd->domain->flags & MOD_SMOKE_HIGHRES);
- int big=0;
-
- if (big) {
- //smoke_turbulence_get_res(smd->domain->wt, vd->resol);
- //vd->dataset = smoke_turbulence_get_density(smd->domain->wt);
- } else {
- VECCOPY(vd->resol, smd->domain->res);
- vd->dataset = smoke_get_density(smd->domain->fluid);
- }
- }
- }
-}
-
-void cache_voxeldata(struct Render *re,Tex *tex)
-{
- VoxelData *vd = tex->vd;
- FILE *fp;
- int size;
- int curframe;
-
- if (!vd) return;
-
- /* image sequence gets special treatment */
- if (vd->file_format == TEX_VD_IMAGE_SEQUENCE) {
- load_frame_image_sequence(re, vd, tex);
- return;
- } else if (vd->file_format == TEX_VD_SMOKE) {
- init_frame_smoke(re, vd, tex);
- return;
- }
-
- if (!BLI_exists(vd->source_path)) return;
- fp = fopen(vd->source_path,"rb");
- if (!fp) return;
-
- if (vd->file_format == TEX_VD_BLENDERVOXEL)
- read_voxeldata_header(fp, vd);
-
- size = (vd->resol[0])*(vd->resol[1])*(vd->resol[2]);
- vd->dataset = MEM_mapallocN(sizeof(float)*size, "voxel dataset");
-
- if (vd->flag & TEX_VD_STILL) curframe = vd->still_frame;
- else curframe = re->r.cfra;
-
- switch(vd->file_format) {
- case TEX_VD_BLENDERVOXEL:
- load_frame_blendervoxel(fp, vd->dataset, size, curframe-1, sizeof(VoxelDataHeader));
- break;
- case TEX_VD_RAW_8BIT:
- load_frame_raw8(fp, vd->dataset, size, curframe);
- break;
- }
-
- fclose(fp);
-}
-
-void make_voxeldata(struct Render *re)
-{
- Tex *tex;
-
- if(re->scene->r.scemode & R_PREVIEWBUTS)
- return;
-
- re->i.infostr= "Loading voxel datasets";
- re->stats_draw(re->sdh, &re->i);
-
- /* XXX: should be doing only textures used in this render */
- for (tex= G.main->tex.first; tex; tex= tex->id.next) {
- if(tex->id.us && tex->type==TEX_VOXELDATA) {
- cache_voxeldata(re, tex);
- }
- }
-
- re->i.infostr= NULL;
- re->stats_draw(re->sdh, &re->i);
-
-}
-
-static void free_voxeldata_one(Render *re, Tex *tex)
-{
- VoxelData *vd = tex->vd;
-
- if (vd->dataset) {
- MEM_freeN(vd->dataset);
- vd->dataset = NULL;
- }
-}
-
-
-void free_voxeldata(Render *re)
-{
- Tex *tex;
-
- if(re->scene->r.scemode & R_PREVIEWBUTS)
- return;
-
- for (tex= G.main->tex.first; tex; tex= tex->id.next) {
- if(tex->id.us && tex->type==TEX_VOXELDATA) {
- free_voxeldata_one(re, tex);
- }
- }
-}
-
-int voxeldatatex(struct Tex *tex, float *texvec, struct TexResult *texres)
-{
- int retval = TEX_INT;
- VoxelData *vd = tex->vd;
- float co[3], offset[3] = {0.5, 0.5, 0.5};
-
- if ((!vd) || (vd->dataset==NULL)) {
- texres->tin = 0.0f;
- return 0;
- }
-
- /* scale lookup from 0.0-1.0 (original location) to -1.0, 1.0, consistent with image texture tex coords */
- /* in implementation this works backwards, bringing sample locations from -1.0, 1.0
- * to the range 0.0, 1.0, before looking up in the voxel structure. */
- VecCopyf(co, texvec);
- VecMulf(co, 0.5f);
- VecAddf(co, co, offset);
-
- /* co is now in the range 0.0, 1.0 */
- switch (tex->extend) {
- case TEX_CLIP:
- {
- if ((co[0] < 0.f || co[0] > 1.f) || (co[1] < 0.f || co[1] > 1.f) || (co[2] < 0.f || co[2] > 1.f)) {
- texres->tin = 0.f;
- return retval;
- }
- break;
- }
- case TEX_REPEAT:
- {
- co[0] = co[0] - floor(co[0]);
- co[1] = co[1] - floor(co[1]);
- co[2] = co[2] - floor(co[2]);
- break;
- }
- case TEX_EXTEND:
- {
- CLAMP(co[0], 0.f, 1.f);
- CLAMP(co[1], 0.f, 1.f);
- CLAMP(co[2], 0.f, 1.f);
- break;
- }
- }
-
- switch (vd->interp_type) {
- case TEX_VD_NEARESTNEIGHBOR:
- texres->tin = voxel_sample_nearest(vd->dataset, vd->resol, co);
- break;
- case TEX_VD_LINEAR:
- texres->tin = voxel_sample_trilinear(vd->dataset, vd->resol, co);
- break;
- case TEX_VD_QUADRATIC:
- texres->tin = voxel_sample_triquadratic(vd->dataset, vd->resol, co);
- break;
- case TEX_VD_TRICUBIC_CATROM:
- case TEX_VD_TRICUBIC_BSPLINE:
- texres->tin = voxel_sample_tricubic(vd->dataset, vd->resol, co, (vd->interp_type == TEX_VD_TRICUBIC_BSPLINE));
- break;
- }
-
- texres->tin *= vd->int_multiplier;
- BRICONT;
-
- texres->tr = texres->tin;
- texres->tg = texres->tin;
- texres->tb = texres->tin;
- texres->ta = texres->tin;
- BRICONTRGB;
-
- return retval;
-}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 07:56:57 +0300