diff options
Diffstat (limited to 'source/blender/src/drawmesh.c')
| -rw-r--r-- | source/blender/src/drawmesh.c | 1222 |
1 files changed, 0 insertions, 1222 deletions
diff --git a/source/blender/src/drawmesh.c b/source/blender/src/drawmesh.c deleted file mode 100644 index df5334dd27d..00000000000 --- a/source/blender/src/drawmesh.c +++ /dev/null @@ -1,1222 +0,0 @@ -/** - * $Id$ - * - * ***** BEGIN GPL/BL DUAL 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. The Blender - * Foundation also sells licenses for use in proprietary software under - * the Blender License. See http://www.blender.org/BL/ for information - * about this. - * - * 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): none yet. - * - * ***** END GPL/BL DUAL LICENSE BLOCK ***** - */ - -#include <string.h> -#include <math.h> - -#include "MEM_guardedalloc.h" - -#include "BLI_blenlib.h" -#include "BLI_arithb.h" -#include "BLI_edgehash.h" -#include "BLI_editVert.h" - -#include "IMB_imbuf.h" -#include "IMB_imbuf_types.h" - -#include "DNA_image_types.h" -#include "DNA_lamp_types.h" -#include "DNA_material_types.h" -#include "DNA_mesh_types.h" -#include "DNA_meshdata_types.h" -#include "DNA_object_types.h" -#include "DNA_property_types.h" -#include "DNA_scene_types.h" -#include "DNA_view3d_types.h" -#include "DNA_userdef_types.h" - -#include "BKE_bmfont.h" -#include "BKE_displist.h" -#include "BKE_DerivedMesh.h" -#include "BKE_effect.h" -#include "BKE_global.h" -#include "BKE_image.h" -#include "BKE_main.h" -#include "BKE_material.h" -#include "BKE_mesh.h" -#include "BKE_object.h" -#include "BKE_property.h" -#include "BKE_utildefines.h" - -#include "BIF_editmesh.h" -#include "BIF_gl.h" -#include "BIF_glutil.h" -#include "BIF_mywindow.h" -#include "BIF_resources.h" - -#include "BDR_editface.h" -#include "BDR_vpaint.h" -#include "BDR_drawmesh.h" - -#include "BSE_drawview.h" - -#include "blendef.h" -#include "nla.h" - -#ifndef GL_CLAMP_TO_EDGE -#define GL_CLAMP_TO_EDGE 0x812F -#endif - -//#include "glext.h" -/* some local functions */ -#if defined(GL_EXT_texture_object) && (!defined(__sun__) || (!defined(__sun))) && !defined(__APPLE__) && !defined(__linux__) && !defined(WIN32) - #define glBindTexture(A,B) glBindTextureEXT(A,B) - #define glGenTextures(A,B) glGenTexturesEXT(A,B) - #define glDeleteTextures(A,B) glDeleteTexturesEXT(A,B) - #define glPolygonOffset(A,B) glPolygonOffsetEXT(A,B) - -#else - -/* #define GL_FUNC_ADD_EXT GL_FUNC_ADD */ -/* #define GL_FUNC_REVERSE_SUBTRACT_EXT GL_FUNC_REVERSE_SUBTRACT */ -/* #define GL_POLYGON_OFFSET_EXT GL_POLYGON_OFFSET */ - -#endif - - /* (n&(n-1)) zeros the least significant bit of n */ -static int is_pow2(int num) { - return ((num)&(num-1))==0; -} -static int smaller_pow2(int num) { - while (!is_pow2(num)) - num= num&(num-1); - return num; -} - -/* These are used to enable texture clamping */ -static int is_pow2_limit(int num) { - if (U.glreslimit != 0 && num > U.glreslimit) return 0; - return ((num)&(num-1))==0; -} - -static int smaller_pow2_limit(int num) { - if (U.glreslimit != 0 && num > U.glreslimit) - return U.glreslimit; - return smaller_pow2(num); -} - -static int fCurtile=0, fCurmode=0,fCurtileXRep=0,fCurtileYRep=0; -static Image *fCurpage=0; -static short fTexwindx, fTexwindy, fTexwinsx, fTexwinsy; -static int fDoMipMap = 1; -static int fLinearMipMap = 0; - -/* local prototypes --------------- */ -void update_realtime_textures(void); - - -/* static int source, dest; also not used */ - -/** - * Enables or disable mipmapping for realtime images. - * @param mipmap Turn mipmapping on (mipmap!=0) or off (mipmap==0). - */ -void set_mipmap(int mipmap) -{ - if (fDoMipMap != (mipmap != 0)) { - free_all_realtime_images(); - fDoMipMap = mipmap != 0; - } -} - -/** - * Returns the current setting for mipmapping. - */ -static int get_mipmap(void) -{ - return fDoMipMap && (!(G.f & G_TEXTUREPAINT)); -} - -/** - * Enables or disable linear mipmap setting for realtime images (textures). - * Note that this will will destroy all texture bindings in OpenGL. - * @see free_realtime_image() - * @param mipmap Turn linear mipmapping on (linear!=0) or off (linear==0). - */ -void set_linear_mipmap(int linear) -{ - if (fLinearMipMap != (linear != 0)) { - free_all_realtime_images(); - fLinearMipMap = linear != 0; - } -} - -/** - * Returns the current setting for linear mipmapping. - */ -int get_linear_mipmap(void) -{ - return fLinearMipMap; -} - - -/** - * Resets the realtime image cache variables. - */ -void clear_realtime_image_cache() -{ - fCurpage = NULL; - fCurtile = 0; - fCurmode = 0; - fCurtileXRep = 0; - fCurtileYRep = 0; -} - -/* REMEMBER! Changes here must go into my_set_tpage() as well */ -int set_tpage(MTFace *tface) -{ - static int alphamode= -1; - static MTFace *lasttface= 0; - Image *ima; - ImBuf *ibuf; - unsigned int *rect=NULL, *bind; - int tpx=0, tpy=0, tilemode, tileXRep,tileYRep; - - /* disable */ - if(tface==0) { - if(lasttface==0) return 0; - - lasttface= 0; - fCurtile= 0; - fCurpage= 0; - if(fCurmode!=0) { - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - } - fCurmode= 0; - fCurtileXRep=0; - fCurtileYRep=0; - alphamode= -1; - - glDisable(GL_BLEND); - glDisable(GL_TEXTURE_2D); - glDisable(GL_TEXTURE_GEN_S); - glDisable(GL_TEXTURE_GEN_T); - glDisable ( GL_ALPHA_TEST ); - return 0; - } - lasttface= tface; - - if( alphamode != tface->transp) { - alphamode= tface->transp; - - if(alphamode) { - glEnable(GL_BLEND); - - if(alphamode==TF_ADD) { - glBlendFunc(GL_ONE, GL_ONE); - /* glBlendEquationEXT(GL_FUNC_ADD_EXT); */ - } - else if(alphamode==TF_ALPHA) { - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - /* added after 2.45 to clip alpha */ - - /*if U.glalphaclip == 1.0, some cards go bonkers... turn off alpha test in this case*/ - if(U.glalphaclip == 1.0) glDisable(GL_ALPHA_TEST); - else{ - glEnable ( GL_ALPHA_TEST ); - glAlphaFunc ( GL_GREATER, U.glalphaclip ); - } - - /* glBlendEquationEXT(GL_FUNC_ADD_EXT); */ - } - /* else { */ - /* glBlendFunc(GL_ONE, GL_ONE); */ - /* glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); */ - /* } */ - } else { - glDisable(GL_BLEND); - glDisable ( GL_ALPHA_TEST ); - } - } - - ima= tface->tpage; - - /* Enable or disable reflection mapping */ - if (ima && (ima->flag & IMA_REFLECT)){ - -// glActiveTextureARB(GL_TEXTURE0_ARB); - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); - - glEnable(GL_TEXTURE_GEN_S); - glEnable(GL_TEXTURE_GEN_T); - - /* Handle multitexturing here */ - } - else{ - glDisable(GL_TEXTURE_GEN_S); - glDisable(GL_TEXTURE_GEN_T); - } - - tilemode= tface->mode & TF_TILES; - tileXRep = 0; - tileYRep = 0; - if (ima) { - tileXRep = ima->xrep; - tileYRep = ima->yrep; - } - - - if(ima==fCurpage && fCurtile==tface->tile && tilemode==fCurmode && fCurtileXRep==tileXRep && fCurtileYRep == tileYRep) return ima!=0; - - if(tilemode!=fCurmode || fCurtileXRep!=tileXRep || fCurtileYRep != tileYRep) { - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - - if(tilemode && ima!=NULL) - glScalef(ima->xrep, ima->yrep, 1.0); - - glMatrixMode(GL_MODELVIEW); - } - - if(ima==NULL || ima->ok==0) { - glDisable(GL_TEXTURE_2D); - - fCurtile= tface->tile; - fCurpage= 0; - fCurmode= tilemode; - fCurtileXRep = tileXRep; - fCurtileYRep = tileYRep; - - return 0; - } - - ibuf= BKE_image_get_ibuf(ima, NULL); - if(ibuf==NULL) { - - fCurtile= tface->tile; - fCurpage= 0; - fCurmode= tilemode; - fCurtileXRep = tileXRep; - fCurtileYRep = tileYRep; - - glDisable(GL_TEXTURE_2D); - return 0; - } - - if ((ibuf->rect==NULL) && ibuf->rect_float) - IMB_rect_from_float(ibuf); - - if(ima->tpageflag & IMA_TWINANIM) fCurtile= ima->lastframe; - else fCurtile= tface->tile; - - if(tilemode) { - if(ima->repbind==0) make_repbind(ima); - - if(fCurtile>=ima->totbind) fCurtile= 0; - - /* this happens when you change repeat buttons */ - if(ima->repbind) bind= ima->repbind+fCurtile; - else bind= &ima->bindcode; - - if(*bind==0) { - - fTexwindx= ibuf->x/ima->xrep; - fTexwindy= ibuf->y/ima->yrep; - - if(fCurtile>=ima->xrep*ima->yrep) fCurtile= ima->xrep*ima->yrep-1; - - fTexwinsy= fCurtile / ima->xrep; - fTexwinsx= fCurtile - fTexwinsy*ima->xrep; - - fTexwinsx*= fTexwindx; - fTexwinsy*= fTexwindy; - - tpx= fTexwindx; - tpy= fTexwindy; - - rect= ibuf->rect + fTexwinsy*ibuf->x + fTexwinsx; - } - } - else { - bind= &ima->bindcode; - - if(*bind==0) { - tpx= ibuf->x; - tpy= ibuf->y; - rect= ibuf->rect; - } - } - - if(*bind==0) { - int rectw= tpx, recth= tpy; - unsigned int *tilerect= NULL, *scalerect= NULL; - - /* - * Maarten: - * According to Ton this code is not needed anymore. It was used only - * in really old Blenders. - * Reevan: - * Actually it is needed for backwards compatibility. Simpledemo 6 does not display correctly without it. - */ -#if 1 - if (tilemode) { - int y; - - tilerect= MEM_mallocN(rectw*recth*sizeof(*tilerect), "tilerect"); - for (y=0; y<recth; y++) { - unsigned int *rectrow= &rect[y*ibuf->x]; - unsigned int *tilerectrow= &tilerect[y*rectw]; - - memcpy(tilerectrow, rectrow, tpx*sizeof(*rectrow)); - } - - rect= tilerect; - } -#endif - if (!is_pow2_limit(rectw) || !is_pow2_limit(recth)) { - rectw= smaller_pow2_limit(rectw); - recth= smaller_pow2_limit(recth); - - scalerect= MEM_mallocN(rectw*recth*sizeof(*scalerect), "scalerect"); - gluScaleImage(GL_RGBA, tpx, tpy, GL_UNSIGNED_BYTE, rect, rectw, recth, GL_UNSIGNED_BYTE, scalerect); - rect= scalerect; - } - - glGenTextures(1, (GLuint *)bind); - - if((G.f & G_DEBUG) || !*bind) { - GLenum error = glGetError(); - printf("Texture: %s\n", ima->id.name+2); - printf("name: %d, tpx: %d\n", *bind, tpx); - printf("tile: %d, mode: %d\n", fCurtile, tilemode); - if (error) - printf("error: %s\n", gluErrorString(error)); - } - glBindTexture( GL_TEXTURE_2D, *bind); - - if (!get_mipmap()) - { - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, rect); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - } else - { - int minfilter= fLinearMipMap?GL_LINEAR_MIPMAP_LINEAR:GL_LINEAR_MIPMAP_NEAREST; - - gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, rect); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minfilter); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - ima->tpageflag |= IMA_MIPMAP_COMPLETE; - } - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - if (tilerect) - MEM_freeN(tilerect); - if (scalerect) - MEM_freeN(scalerect); - } - else glBindTexture( GL_TEXTURE_2D, *bind); - - /* dont tile x/y as set the the game properties */ - if (ima->tpageflag & IMA_CLAMP_U) - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - if (ima->tpageflag & IMA_CLAMP_V) - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - - /* tag_image_time(ima);*/ /* Did this get lost in the image recode? */ - - glEnable(GL_TEXTURE_2D); - - fCurpage= ima; - fCurmode= tilemode; - fCurtileXRep = tileXRep; - fCurtileYRep = tileYRep; - - return 1; -} - -void update_realtime_image(Image *ima, int x, int y, int w, int h) -{ - ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL); - - if (ima->repbind || get_mipmap() || !ima->bindcode || !ibuf || - (!is_pow2(ibuf->x) || !is_pow2(ibuf->y)) || - (w == 0) || (h == 0)) { - /* these special cases require full reload still */ - free_realtime_image(ima); - } - else { - int row_length = glaGetOneInteger(GL_UNPACK_ROW_LENGTH); - int skip_pixels = glaGetOneInteger(GL_UNPACK_SKIP_PIXELS); - int skip_rows = glaGetOneInteger(GL_UNPACK_SKIP_ROWS); - - if ((ibuf->rect==NULL) && ibuf->rect_float) - IMB_rect_from_float(ibuf); - - glBindTexture(GL_TEXTURE_2D, ima->bindcode); - - glPixelStorei(GL_UNPACK_ROW_LENGTH, ibuf->x); - glPixelStorei(GL_UNPACK_SKIP_PIXELS, x); - glPixelStorei(GL_UNPACK_SKIP_ROWS, y); - - glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, w, h, GL_RGBA, - GL_UNSIGNED_BYTE, ibuf->rect); - - glPixelStorei(GL_UNPACK_ROW_LENGTH, row_length); - glPixelStorei(GL_UNPACK_SKIP_PIXELS, skip_pixels); - glPixelStorei(GL_UNPACK_SKIP_ROWS, skip_rows); - - if(ima->tpageflag & IMA_MIPMAP_COMPLETE) - ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; - } -} - -void free_realtime_image(Image *ima) -{ - if(ima->bindcode) { - glDeleteTextures(1, (GLuint *)&ima->bindcode); - ima->bindcode= 0; - ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; - } - if(ima->repbind) { - glDeleteTextures(ima->totbind, (GLuint *)ima->repbind); - - MEM_freeN(ima->repbind); - ima->repbind= NULL; - ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; - } -} - -void free_all_realtime_images(void) -{ - Image* ima; - - for(ima=G.main->image.first; ima; ima=ima->id.next) - free_realtime_image(ima); -} - -/* these two functions are called on entering and exiting texture paint mode, - temporary disabling/enabling mipmapping on all images for quick texture - updates with glTexSubImage2D. images that didn't change don't have to be - re-uploaded to OpenGL */ -void texpaint_disable_mipmap(void) -{ - Image* ima; - - if(!fDoMipMap) - return; - - for(ima=G.main->image.first; ima; ima=ima->id.next) { - if(ima->bindcode) { - glBindTexture(GL_TEXTURE_2D, ima->bindcode); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - } - } -} - -void texpaint_enable_mipmap(void) -{ - Image* ima; - - if(!fDoMipMap) - return; - - for(ima=G.main->image.first; ima; ima=ima->id.next) { - if(ima->bindcode) { - if(ima->tpageflag & IMA_MIPMAP_COMPLETE) { - int minfilter= fLinearMipMap?GL_LINEAR_MIPMAP_LINEAR:GL_LINEAR_MIPMAP_NEAREST; - - glBindTexture(GL_TEXTURE_2D, ima->bindcode); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minfilter); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - } - else - free_realtime_image(ima); - } - } -} - -void make_repbind(Image *ima) -{ - ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL); - - if(ibuf==NULL) return; - - if(ima->repbind) { - glDeleteTextures(ima->totbind, (GLuint *)ima->repbind); - MEM_freeN(ima->repbind); - ima->repbind= 0; - ima->tpageflag &= ~IMA_MIPMAP_COMPLETE; - } - ima->totbind= ima->xrep*ima->yrep; - if(ima->totbind>1) { - ima->repbind= MEM_callocN(sizeof(int)*ima->totbind, "repbind"); - } -} - -void update_realtime_textures() -{ - Image *ima; - - ima= G.main->image.first; - while(ima) { - if(ima->tpageflag & IMA_TWINANIM) { - if(ima->twend >= ima->xrep*ima->yrep) ima->twend= ima->xrep*ima->yrep-1; - - /* check: is bindcode not in the array? Free. (to do) */ - - ima->lastframe++; - if(ima->lastframe > ima->twend) ima->lastframe= ima->twsta; - - } - ima= ima->id.next; - } -} - -/***/ - - /* Flags for marked edges */ -enum { - eEdge_Visible = (1<<0), - eEdge_Select = (1<<1), -}; - - /* Creates a hash of edges to flags indicating - * adjacent tface select/active/etc flags. - */ -static void get_marked_edge_info__orFlags(EdgeHash *eh, int v0, int v1, int flags) -{ - int *flags_p; - - if (!BLI_edgehash_haskey(eh, v0, v1)) { - BLI_edgehash_insert(eh, v0, v1, 0); - } - - flags_p = (int*) BLI_edgehash_lookup_p(eh, v0, v1); - *flags_p |= flags; -} - -EdgeHash *get_tface_mesh_marked_edge_info(Mesh *me) -{ - EdgeHash *eh = BLI_edgehash_new(); - int i; - MFace *mf; - MTFace *tf = NULL; - - for (i=0; i<me->totface; i++) { - mf = &me->mface[i]; - if (me->mtface) - tf = &me->mtface[i]; - - if (mf->v3) { - if (!(mf->flag&ME_HIDE)) { - unsigned int flags = eEdge_Visible; - if (mf->flag&ME_FACE_SEL) flags |= eEdge_Select; - - get_marked_edge_info__orFlags(eh, mf->v1, mf->v2, flags); - get_marked_edge_info__orFlags(eh, mf->v2, mf->v3, flags); - if (mf->v4) { - get_marked_edge_info__orFlags(eh, mf->v3, mf->v4, flags); - get_marked_edge_info__orFlags(eh, mf->v4, mf->v1, flags); - } else { - get_marked_edge_info__orFlags(eh, mf->v3, mf->v1, flags); - } - } - } - } - - return eh; -} - - -static int draw_tfaces3D__setHiddenOpts(void *userData, int index) -{ - struct { Mesh *me; EdgeHash *eh; } *data = userData; - MEdge *med = &data->me->medge[index]; - unsigned long flags = (long) BLI_edgehash_lookup(data->eh, med->v1, med->v2); - - if((G.f & G_DRAWSEAMS) && (med->flag&ME_SEAM)) { - return 0; - } else if(G.f & G_DRAWEDGES){ - if (G.f&G_HIDDENEDGES) { - return 1; - } else { - return (flags & eEdge_Visible); - } - } else { - return (flags & eEdge_Select); - } -} -static int draw_tfaces3D__setSeamOpts(void *userData, int index) -{ - struct { Mesh *me; EdgeHash *eh; } *data = userData; - MEdge *med = &data->me->medge[index]; - unsigned long flags = (long) BLI_edgehash_lookup(data->eh, med->v1, med->v2); - - if (med->flag&ME_SEAM) { - if (G.f&G_HIDDENEDGES) { - return 1; - } else { - return (flags & eEdge_Visible); - } - } else { - return 0; - } -} -static int draw_tfaces3D__setSelectOpts(void *userData, int index) -{ - struct { Mesh *me; EdgeHash *eh; } *data = userData; - MEdge *med = &data->me->medge[index]; - unsigned long flags = (long) BLI_edgehash_lookup(data->eh, med->v1, med->v2); - - return flags & eEdge_Select; -} -static int draw_tfaces3D__setActiveOpts(void *userData, int index) -{ - struct { Mesh *me; EdgeHash *eh; } *data = userData; - MEdge *med = &data->me->medge[index]; - unsigned long flags = (long) BLI_edgehash_lookup(data->eh, med->v1, med->v2); - - if (flags & eEdge_Select) { - return 1; - } else { - return 0; - } -} -static int draw_tfaces3D__drawFaceOpts(void *userData, int index) -{ - Mesh *me = (Mesh*)userData; - - MFace *mface = &me->mface[index]; - if (!(mface->flag&ME_HIDE) && (mface->flag&ME_FACE_SEL)) - return 2; /* Don't set color */ - else - return 0; -} -static void draw_tfaces3D(Object *ob, Mesh *me, DerivedMesh *dm) -{ - struct { Mesh *me; EdgeHash *eh; } data; - - data.me = me; - data.eh = get_tface_mesh_marked_edge_info(me); - - glEnable(GL_DEPTH_TEST); - glDisable(GL_LIGHTING); - bglPolygonOffset(1.0); - - /* Draw (Hidden) Edges */ - BIF_ThemeColor(TH_EDGE_FACESEL); - dm->drawMappedEdges(dm, draw_tfaces3D__setHiddenOpts, &data); - - /* Draw Seams */ - if(G.f & G_DRAWSEAMS) { - BIF_ThemeColor(TH_EDGE_SEAM); - glLineWidth(2); - - dm->drawMappedEdges(dm, draw_tfaces3D__setSeamOpts, &data); - - glLineWidth(1); - } - - /* Draw Selected Faces */ - if(G.f & G_DRAWFACES) { - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - BIF_ThemeColor4(TH_FACE_SELECT); - - dm->drawMappedFacesTex(dm, draw_tfaces3D__drawFaceOpts, (void*)me); - - glDisable(GL_BLEND); - } - - bglPolygonOffset(1.0); - - /* Draw Stippled Outline for selected faces */ - glColor3ub(255, 255, 255); - setlinestyle(1); - dm->drawMappedEdges(dm, draw_tfaces3D__setSelectOpts, &data); - setlinestyle(0); - - dm->drawMappedEdges(dm, draw_tfaces3D__setActiveOpts, &data); - - bglPolygonOffset(0.0); // resets correctly now, even after calling accumulated offsets - - BLI_edgehash_free(data.eh, NULL); -} - -static int set_gl_light(Object *ob) -{ - Base *base; - Lamp *la; - int count; - /* float zero[4]= {0.0, 0.0, 0.0, 0.0}; */ - float vec[4]; - - vec[3]= 1.0; - - for(count=0; count<8; count++) glDisable(GL_LIGHT0+count); - - count= 0; - - base= FIRSTBASE; - while(base) { - if(base->object->type==OB_LAMP ) { - if(base->lay & G.vd->lay) { - if(base->lay & ob->lay) - { - la= base->object->data; - - glPushMatrix(); - glLoadMatrixf((float *)G.vd->viewmat); - - where_is_object_simul(base->object); - VECCOPY(vec, base->object->obmat[3]); - - if(la->type==LA_SUN) { - vec[0]= base->object->obmat[2][0]; - vec[1]= base->object->obmat[2][1]; - vec[2]= base->object->obmat[2][2]; - vec[3]= 0.0; - glLightfv(GL_LIGHT0+count, GL_POSITION, vec); - } - else { - vec[3]= 1.0; - glLightfv(GL_LIGHT0+count, GL_POSITION, vec); - glLightf(GL_LIGHT0+count, GL_CONSTANT_ATTENUATION, 1.0); - glLightf(GL_LIGHT0+count, GL_LINEAR_ATTENUATION, la->att1/la->dist); - /* post 2.25 engine supports quad lights */ - glLightf(GL_LIGHT0+count, GL_QUADRATIC_ATTENUATION, la->att2/(la->dist*la->dist)); - - if(la->type==LA_SPOT) { - vec[0]= -base->object->obmat[2][0]; - vec[1]= -base->object->obmat[2][1]; - vec[2]= -base->object->obmat[2][2]; - glLightfv(GL_LIGHT0+count, GL_SPOT_DIRECTION, vec); - glLightf(GL_LIGHT0+count, GL_SPOT_CUTOFF, la->spotsize/2.0); - glLightf(GL_LIGHT0+count, GL_SPOT_EXPONENT, 128.0*la->spotblend); - } - else glLightf(GL_LIGHT0+count, GL_SPOT_CUTOFF, 180.0); - } - - vec[0]= la->energy*la->r; - vec[1]= la->energy*la->g; - vec[2]= la->energy*la->b; - vec[3]= 1.0; - glLightfv(GL_LIGHT0+count, GL_DIFFUSE, vec); - glLightfv(GL_LIGHT0+count, GL_SPECULAR, vec);//zero); - glEnable(GL_LIGHT0+count); - - glPopMatrix(); - - count++; - if(count>7) break; - } - } - } - base= base->next; - } - - return count; -} - -static Material *give_current_material_or_def(Object *ob, int matnr) -{ - extern Material defmaterial; // render module abuse... - Material *ma= give_current_material(ob, matnr); - - return ma?ma:&defmaterial; -} - -static int set_draw_settings_cached(int clearcache, int textured, MTFace *texface, int lit, Object *litob, int litmatnr, int doublesided) -{ - static int c_textured; - static int c_lit; - static int c_doublesided; - static MTFace *c_texface; - static Object *c_litob; - static int c_litmatnr; - static int c_badtex; - - if (clearcache) { - c_textured= c_lit= c_doublesided= -1; - c_texface= (MTFace*) -1; - c_litob= (Object*) -1; - c_litmatnr= -1; - c_badtex= 0; - } - - if (texface) { - lit = lit && (lit==-1 || texface->mode&TF_LIGHT); - textured = textured && (texface->mode&TF_TEX); - doublesided = texface->mode&TF_TWOSIDE; - } else { - textured = 0; - } - - if (doublesided!=c_doublesided) { - if (doublesided) glDisable(GL_CULL_FACE); - else glEnable(GL_CULL_FACE); - - c_doublesided= doublesided; - } - - if (textured!=c_textured || texface!=c_texface) { - if (textured ) { - c_badtex= !set_tpage(texface); - } else { - set_tpage(0); - c_badtex= 0; - } - c_textured= textured; - c_texface= texface; - } - - if (c_badtex) lit= 0; - if (lit!=c_lit || litob!=c_litob || litmatnr!=c_litmatnr) { - if (lit) { - Material *ma= give_current_material_or_def(litob, litmatnr+1); - float spec[4]; - - spec[0]= ma->spec*ma->specr; - spec[1]= ma->spec*ma->specg; - spec[2]= ma->spec*ma->specb; - spec[3]= 1.0; - - glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec); - glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE); - glEnable(GL_LIGHTING); - glEnable(GL_COLOR_MATERIAL); - } - else { - glDisable(GL_LIGHTING); - glDisable(GL_COLOR_MATERIAL); - } - c_lit= lit; - c_litob= litob; - c_litmatnr= litmatnr; - } - - return c_badtex; -} - -/* Icky globals, fix with userdata parameter */ - -struct TextureDrawState { - Object *ob; - int islit, istex; - unsigned char obcol[4]; -} Gtexdraw = {NULL, 0, 0, {0, 0, 0, 0}}; - -static void draw_textured_begin(Object *ob) -{ - unsigned char obcol[4]; - int istex, solidtex= 0; - - if(G.vd->drawtype==OB_SOLID || (ob==G.obedit && G.vd->drawtype!=OB_TEXTURE)) { - /* draw with default lights in solid draw mode and edit mode */ - solidtex= 1; - Gtexdraw.islit= -1; - } - else - /* draw with lights in the scene otherwise */ - Gtexdraw.islit= set_gl_light(ob); - - obcol[0]= CLAMPIS(ob->col[0]*255, 0, 255); - obcol[1]= CLAMPIS(ob->col[1]*255, 0, 255); - obcol[2]= CLAMPIS(ob->col[2]*255, 0, 255); - obcol[3]= CLAMPIS(ob->col[3]*255, 0, 255); - - glCullFace(GL_BACK); glEnable(GL_CULL_FACE); - if(solidtex || G.vd->drawtype==OB_TEXTURE) istex= 1; - else istex= 0; - - Gtexdraw.ob = ob; - Gtexdraw.istex = istex; - memcpy(Gtexdraw.obcol, obcol, sizeof(obcol)); - set_draw_settings_cached(1, 0, 0, Gtexdraw.islit, 0, 0, 0); - glShadeModel(GL_SMOOTH); -} - -static void draw_textured_end() -{ - /* switch off textures */ - set_tpage(0); - - glShadeModel(GL_FLAT); - glDisable(GL_CULL_FACE); - - /* XXX, bad patch - default_gl_light() calls - * glLightfv(GL_LIGHT_POSITION, ...) which - * is transformed by the current matrix... we - * need to make sure that matrix is identity. - * - * It would be better if drawmesh.c kept track - * of and restored the light settings it changed. - * - zr - */ - glPushMatrix(); - glLoadIdentity(); - default_gl_light(); - glPopMatrix(); -} - - -static int draw_tface__set_draw(MTFace *tface, MCol *mcol, int matnr) -{ - if (tface && (tface->mode&TF_INVISIBLE)) return 0; - - if (tface && set_draw_settings_cached(0, Gtexdraw.istex, tface, Gtexdraw.islit, Gtexdraw.ob, matnr, TF_TWOSIDE)) { - glColor3ub(0xFF, 0x00, 0xFF); - return 2; /* Don't set color */ - } else if (tface && tface->mode&TF_OBCOL) { - glColor3ubv(Gtexdraw.obcol); - return 2; /* Don't set color */ - } else if (!mcol) { - if (tface) glColor3f(1.0, 1.0, 1.0); - else { - Material *ma= give_current_material(Gtexdraw.ob, matnr+1); - if(ma) glColor3f(ma->r, ma->g, ma->b); - else glColor3f(1.0, 1.0, 1.0); - } - return 2; /* Don't set color */ - } else { - return 1; /* Set color from mcol */ - } -} - -static int draw_tface_mapped__set_draw(void *userData, int index) -{ - Mesh *me = (Mesh*)userData; - MTFace *tface = (me->mtface)? &me->mtface[index]: NULL; - MFace *mface = (me->mface)? &me->mface[index]: NULL; - MCol *mcol = (me->mcol)? &me->mcol[index]: NULL; - int matnr = me->mface[index].mat_nr; - if (mface && mface->flag&ME_HIDE) return 0; - return draw_tface__set_draw(tface, mcol, matnr); -} - -static int draw_em_tf_mapped__set_draw(void *userData, int index) -{ - EditMesh *em = userData; - EditFace *efa = EM_get_face_for_index(index); - MTFace *tface; - MCol *mcol; - int matnr; - - if (efa==NULL || efa->h) - return 0; - - tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE); - mcol = CustomData_em_get(&em->fdata, efa->data, CD_MCOL); - matnr = efa->mat_nr; - - return draw_tface__set_draw(tface, mcol, matnr); -} - -static int wpaint__setSolidDrawOptions(void *userData, int index, int *drawSmooth_r) -{ - Mesh *me = (Mesh*)userData; - MTFace *tface = (me->mtface)? &me->mtface[index]: NULL; - MFace *mface = (me->mface)? &me->mface[index]: NULL; - - if ((mface->flag&ME_HIDE) || (tface && (tface->mode&TF_INVISIBLE))) - return 0; - - *drawSmooth_r = 1; - return 1; -} - -static void draw_game_text_mesh(Object *ob, Mesh *me) -{ - DerivedMesh *ddm = mesh_get_derived_deform(ob, CD_MASK_BAREMESH); - MFace *mface= me->mface; - MTFace *tface= me->mtface; - MCol *mcol= me->mcol; /* why does mcol exist? */ - bProperty *prop = get_property(ob, "Text"); - int a, start= 0, totface= me->totface; - - tface+= start; - mcol+= start*4; - for (a=start; a<totface; a++, tface++, mcol+=4) { - MFace *mf= &mface[a]; - int mode= tface->mode; - int matnr= mf->mat_nr; - int mf_smooth= mf->flag & ME_SMOOTH; - - if (!(mf->flag&ME_HIDE) && !(mode&TF_INVISIBLE) && (mode&TF_BMFONT)) { - int badtex= set_draw_settings_cached(0, Gtexdraw.istex, tface, Gtexdraw.islit, Gtexdraw.ob, matnr, TF_TWOSIDE); - float v1[3], v2[3], v3[3], v4[3]; - char string[MAX_PROPSTRING]; - int characters, index; - ImBuf *ibuf; - float curpos; - - if (badtex) - continue; - - ddm->getVertCo(ddm, mf->v1, v1); - ddm->getVertCo(ddm, mf->v2, v2); - ddm->getVertCo(ddm, mf->v3, v3); - if (mf->v4) ddm->getVertCo(ddm, mf->v4, v4); - - // The BM_FONT handling code is duplicated in the gameengine - // Search for 'Frank van Beek' ;-) - // string = "Frank van Beek"; - - set_property_valstr(prop, string); - characters = strlen(string); - - ibuf= BKE_image_get_ibuf(tface->tpage, NULL); - if (ibuf == NULL) { - characters = 0; - } - - if (!mf_smooth) { - float nor[3]; - - CalcNormFloat(v1, v2, v3, nor); - - glNormal3fv(nor); - } - - curpos= 0.0; - glBegin(mf->v4?GL_QUADS:GL_TRIANGLES); - for (index = 0; index < characters; index++) { - float centerx, centery, sizex, sizey, transx, transy, movex, movey, advance; - int character = string[index]; - char *cp= NULL; - - // lets calculate offset stuff - // space starts at offset 1 - // character = character - ' ' + 1; - - matrixGlyph(ibuf, character, & centerx, ¢ery, &sizex, &sizey, &transx, &transy, &movex, &movey, &advance); - movex+= curpos; - - if (tface->mode & TF_OBCOL) - glColor3ubv(Gtexdraw.obcol); - else if (me->mcol) cp= (char *)mcol; - else glColor3ub(255, 255, 255); - - glTexCoord2f((tface->uv[0][0] - centerx) * sizex + transx, (tface->uv[0][1] - centery) * sizey + transy); - if (cp) glColor3ub(cp[3], cp[2], cp[1]); - glVertex3f(sizex * v1[0] + movex, sizey * v1[1] + movey, v1[2]); - - glTexCoord2f((tface->uv[1][0] - centerx) * sizex + transx, (tface->uv[1][1] - centery) * sizey + transy); - if (cp) glColor3ub(cp[7], cp[6], cp[5]); - glVertex3f(sizex * v2[0] + movex, sizey * v2[1] + movey, v2[2]); - - glTexCoord2f((tface->uv[2][0] - centerx) * sizex + transx, (tface->uv[2][1] - centery) * sizey + transy); - if (cp) glColor3ub(cp[11], cp[10], cp[9]); - glVertex3f(sizex * v3[0] + movex, sizey * v3[1] + movey, v3[2]); - - if(mf->v4) { - glTexCoord2f((tface->uv[3][0] - centerx) * sizex + transx, (tface->uv[3][1] - centery) * sizey + transy); - if (cp) glColor3ub(cp[15], cp[14], cp[13]); - glVertex3f(sizex * v4[0] + movex, sizey * v4[1] + movey, v4[2]); - } - - curpos+= advance; - } - glEnd(); - } - } - - ddm->release(ddm); -} - -void draw_mesh_textured(Object *ob, DerivedMesh *dm, int faceselect) -{ - Mesh *me= ob->data; - int editing= 0; - - /* correct for negative scale */ - if(ob->transflag & OB_NEG_SCALE) glFrontFace(GL_CW); - else glFrontFace(GL_CCW); - - /* draw the textured mesh */ - draw_textured_begin(ob); - -#ifdef WITH_VERSE - if(me->vnode) { - /* verse-blender doesn't support uv mapping of textures yet */ - dm->drawFacesTex(dm, NULL); - } - else { -#endif - if(ob==G.obedit) { - dm->drawMappedFacesTex(dm, draw_em_tf_mapped__set_draw, G.editMesh); - } else if(faceselect) { - if(G.f & G_WEIGHTPAINT) - dm->drawMappedFaces(dm, wpaint__setSolidDrawOptions, me, 1); - else - dm->drawMappedFacesTex(dm, draw_tface_mapped__set_draw, me); - } - else - dm->drawFacesTex(dm, draw_tface__set_draw); -#ifdef WITH_VERSE - } -#endif - - /* draw game engine text hack - but not if we are editing the mesh */ - if (me->mtface && get_property(ob, "Text")) { - if(ob==G.obedit) - editing= 1; - else if(ob==OBACT) - if(FACESEL_PAINT_TEST) - editing= 1; - - if(!editing) - draw_game_text_mesh(ob, me); - } - - draw_textured_end(); - - /* draw edges and selected faces over textured mesh */ - if(!G.obedit && faceselect) - draw_tfaces3D(ob, me, dm); - - /* reset from negative scale correction */ - glFrontFace(GL_CCW); - - /* in editmode, the blend mode needs to be set incase it was ADD */ - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); -} - -void init_realtime_GL(void) -{ - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); -} - |