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Viewing changes to source/blender/nodes/intern/SHD_nodes/SHD_texture.c

  • Committer: Bazaar Package Importer
  • Author(s): Florian Ernst
  • Date: 2007-05-17 11:47:59 UTC
  • mfrom: (1.2.6 upstream)
  • Revision ID: james.westby@ubuntu.com-20070517114759-yp4ybrnhp2u7pk66
Tags: 2.44-1
* New upstream release.
* Drop debian/patches/01_64bits_stupidity, not needed anymore: as of this
  version blender is 64 bits safe again. Adjust README.Debian accordingly.

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source/blender/nodes/intern/SHD_nodes/SHD_texture.c
 
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/**
 
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 * $Id: SHD_texture.c,v 1.4 2007/04/04 13:58:12 jesterking Exp $
 
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 *
 
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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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
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 *
 
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 * The Original Code is Copyright (C) 2005 Blender Foundation.
 
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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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#include "../SHD_util.h"
 
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/* **************** TEXTURE ******************** */
 
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static bNodeSocketType sh_node_texture_in[]= {
 
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        {       SOCK_VECTOR, 1, "Vector",       0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f},   /* no limit */
 
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        {       -1, 0, ""       }
 
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};
 
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static bNodeSocketType sh_node_texture_out[]= {
 
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        {       SOCK_VALUE, 0, "Value",         1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
 
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        {       SOCK_RGBA , 0, "Color",         1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f},
 
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        {       SOCK_VECTOR, 0, "Normal",       0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f},
 
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        {       -1, 0, ""       }
 
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};
 
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static void node_shader_exec_texture(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
 
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{
 
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        if(data && node->id) {
 
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                ShadeInput *shi= ((ShaderCallData *)data)->shi;
 
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                TexResult texres;
 
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                float vec[3], nor[3]={0.0f, 0.0f, 0.0f};
 
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                int retval;
 
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                /* out: value, color, normal */
 
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                /* we should find out if a normal as output is needed, for now we do all */
 
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                texres.nor= nor;
 
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                if(in[0]->hasinput) {
 
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                        nodestack_get_vec(vec, SOCK_VECTOR, in[0]);
 
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                        if(in[0]->datatype==NS_OSA_VECTORS) {
 
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                                float *fp= in[0]->data;
 
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                                retval= multitex_ext((Tex *)node->id, vec, fp, fp+3, shi->osatex, &texres);
 
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                        }
 
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                        else if(in[0]->datatype==NS_OSA_VALUES) {
 
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                                float *fp= in[0]->data;
 
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                                float dxt[3], dyt[3];
 
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                                dxt[0]= fp[0]; dxt[1]= dxt[2]= 0.0f;
 
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                                dyt[0]= fp[1]; dyt[1]= dyt[2]= 0.0f;
 
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                                retval= multitex_ext((Tex *)node->id, vec, dxt, dyt, shi->osatex, &texres);
 
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                        }
 
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                        else
 
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                                retval= multitex_ext((Tex *)node->id, vec, NULL, NULL, 0, &texres);
 
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                }
 
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                else {  /* only for previewrender, so we see stuff */
 
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                        VECCOPY(vec, shi->lo);
 
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                        retval= multitex_ext((Tex *)node->id, vec, NULL, NULL, 0, &texres);
 
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                }
 
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                /* stupid exception */
 
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                if( ((Tex *)node->id)->type==TEX_STUCCI) {
 
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                        texres.tin= 0.5f + 0.7f*texres.nor[0];
 
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                        CLAMP(texres.tin, 0.0f, 1.0f);
 
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                }
 
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                /* intensity and color need some handling */
 
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                if(texres.talpha)
 
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                        out[0]->vec[0]= texres.ta;
 
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                else
 
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                        out[0]->vec[0]= texres.tin;
 
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                if((retval & TEX_RGB)==0) {
 
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                        out[1]->vec[0]= out[0]->vec[0];
 
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                        out[1]->vec[1]= out[0]->vec[0];
 
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                        out[1]->vec[2]= out[0]->vec[0];
 
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                        out[1]->vec[3]= 1.0f;
 
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                }
 
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                else {
 
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                        out[1]->vec[0]= texres.tr;
 
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                        out[1]->vec[1]= texres.tg;
 
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                        out[1]->vec[2]= texres.tb;
 
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                        out[1]->vec[3]= 1.0f;
 
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                }
 
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                VECCOPY(out[2]->vec, nor);
 
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                if(shi->do_preview)
 
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                        nodeAddToPreview(node, out[1]->vec, shi->xs, shi->ys);
 
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        }
 
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}
 
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bNodeType sh_node_texture= {
 
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        /* *next,*prev */       NULL, NULL,
 
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        /* type code   */       SH_NODE_TEXTURE,
 
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        /* name        */       "Texture",
 
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        /* width+range */       120, 80, 240,
 
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        /* class+opts  */       NODE_CLASS_INPUT, NODE_OPTIONS|NODE_PREVIEW,
 
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        /* input sock  */       sh_node_texture_in,
 
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        /* output sock */       sh_node_texture_out,
 
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        /* storage     */       "",
 
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        /* execfunc    */       node_shader_exec_texture,
 
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        /* butfunc     */       NULL,
 
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        /* initfunc    */       NULL,
 
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        /* freestoragefunc    */        NULL,
 
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        /* copystoragefunc    */        NULL,
 
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        /* id          */       NULL
 
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};
 
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