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Viewing changes to source/blender/nodes/intern/CMP_nodes/CMP_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/CMP_nodes/CMP_texture.c
 
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/**
 
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 * $Id: CMP_texture.c,v 1.4 2007/04/04 13:58:10 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) 2006 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 "../CMP_util.h"
 
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/* **************** TEXTURE ******************** */
 
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static bNodeSocketType cmp_node_texture_in[]= {
 
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        {       SOCK_VECTOR, 1, "Offset",               0.0f, 0.0f, 0.0f, 0.0f, -2.0f, 2.0f},
 
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        {       SOCK_VECTOR, 1, "Scale",                1.0f, 1.0f, 1.0f, 1.0f, -10.0f, 10.0f},
 
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        {       -1, 0, ""       }
 
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};
 
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static bNodeSocketType cmp_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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        {       -1, 0, ""       }
 
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};
 
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/* called without rect allocated */
 
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static void texture_procedural(CompBuf *cbuf, float *col, float xco, float yco)
 
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{
 
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        bNode *node= cbuf->node;
 
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        bNodeSocket *sock= node->inputs.first;
 
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        TexResult texres= {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0, NULL};
 
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        float vec[3], *size, nor[3]={0.0f, 0.0f, 0.0f};
 
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        int retval, type= cbuf->type;
 
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        size= sock->next->ns.vec;
 
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        vec[0]= size[0]*(xco + sock->ns.vec[0]);
 
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        vec[1]= size[1]*(yco + sock->ns.vec[1]);
 
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        vec[2]= size[2]*sock->ns.vec[2];
 
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        retval= multitex_ext((Tex *)node->id, vec, NULL, NULL, 0, &texres);
 
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        if(type==CB_VAL) {
 
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                if(texres.talpha)
 
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                        col[0]= texres.ta;
 
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                else
 
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                        col[0]= texres.tin;
 
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        }
 
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        else if(type==CB_RGBA) {
 
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                if(texres.talpha)
 
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                        col[3]= texres.ta;
 
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                else
 
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                        col[3]= texres.tin;
 
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                if((retval & TEX_RGB)) {
 
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                        col[0]= texres.tr;
 
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                        col[1]= texres.tg;
 
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                        col[2]= texres.tb;
 
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                }
 
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                else col[0]= col[1]= col[2]= col[3];
 
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        }
 
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        else { 
 
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                VECCOPY(col, nor);
 
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        }
 
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}
 
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/* texture node outputs get a small rect, to make sure all other nodes accept it */
 
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/* only the pixel-processor nodes do something with it though */
 
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static void node_composit_exec_texture(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
 
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{
 
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        /* outputs: value, color, normal */
 
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        if(node->id) {
 
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                /* first make the preview image */
 
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                CompBuf *prevbuf= alloc_compbuf(140, 140, CB_RGBA, 1); /* alloc */
 
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                prevbuf->rect_procedural= texture_procedural;
 
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                prevbuf->node= node;
 
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                composit1_pixel_processor(node, prevbuf, prevbuf, out[0]->vec, do_copy_rgba, CB_RGBA);
 
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                generate_preview(node, prevbuf);
 
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                free_compbuf(prevbuf);
 
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                if(out[0]->hasoutput) {
 
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                        CompBuf *stackbuf= alloc_compbuf(140, 140, CB_VAL, 1); /* alloc */
 
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                        stackbuf->rect_procedural= texture_procedural;
 
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                        stackbuf->node= node;
 
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                        out[0]->data= stackbuf;
 
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                }
 
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                if(out[1]->hasoutput) {
 
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                        CompBuf *stackbuf= alloc_compbuf(140, 140, CB_RGBA, 1); /* alloc */
 
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                        stackbuf->rect_procedural= texture_procedural;
 
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                        stackbuf->node= node;
 
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                        out[1]->data= stackbuf;
 
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                }
 
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        }
 
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}
 
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bNodeType cmp_node_texture= {
 
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        /* *next,*prev */       NULL, NULL,
 
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        /* type code   */       CMP_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  */       cmp_node_texture_in,
 
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        /* output sock */       cmp_node_texture_out,
 
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        /* storage     */       "",
 
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        /* execfunc    */       node_composit_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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