noinst_LIBRARIES = libScenery.a
libScenery_a_SOURCES = \
- material.cxx material.hxx \
- obj.cxx obj.hxx \
scenery.cxx scenery.hxx \
- texload.c texload.h \
tile.cxx tile.hxx \
tilecache.cxx tilecache.hxx \
tilemgr.cxx tilemgr.hxx
+++ /dev/null
-// material.cxx -- class to handle material properties
-//
-// Written by Curtis Olson, started May 1998.
-//
-// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
-//
-// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-// (Log is kept at end of this file)
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-
-#include <string.h>
-
-#include <Debug/fg_debug.h>
-#include <Include/fg_zlib.h>
-#include <Main/options.hxx>
-
-#include "material.hxx"
-#include "texload.h"
-
-// global material management class
-fgMATERIAL_MGR material_mgr;
-
-
-// Constructor
-fgMATERIAL::fgMATERIAL ( void ) {
-}
-
-
-// Sorting routines
-void fgMATERIAL::init_sort_list( void ) {
-}
-
-
-int fgMATERIAL::append_sort_list( fgFRAGMENT *object ) {
- return(0);
-}
-
-
-// Destructor
-fgMATERIAL::~fgMATERIAL ( void ) {
-}
-
-
-// Constructor
-fgMATERIAL_MGR::fgMATERIAL_MGR ( void ) {
-}
-
-
-// Load a library of material properties
-int fgMATERIAL_MGR::load_lib ( void ) {
- fgMATERIAL m;
- char material_name[256];
- char mpath[256], fg_mpath[256], tpath[256], fg_tpath[256];
- char line[256], *line_ptr, value[256];
- GLubyte *texbuf;
- fgFile f;
- int width, height;
- int alpha;
-
- // build the path name to the material db
- current_options.get_fg_root(mpath);
- strcat(mpath, "/Scenery/");
- strcat(mpath, "Materials");
- strcpy(fg_mpath, mpath);
- strcat(fg_mpath, ".gz");
-
- // first try "path.gz"
- if ( (f = fgopen(fg_mpath, "rb")) == NULL ) {
- // next try "path"
- if ( (f = fgopen(mpath, "rb")) == NULL ) {
- fgPrintf(FG_GENERAL, FG_EXIT, "Cannot open file: %s\n", mpath);
- }
- }
-
- while ( fggets(f, line, 250) != NULL ) {
- // printf("%s", line);
-
- // strip leading white space
- line_ptr = line;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
-
- }
-
- if ( line_ptr[0] == '#' ) {
- // ignore lines that start with '#'
- } else if ( line_ptr[0] == '\n' ) {
- // ignore blank lines
- } else if ( strstr(line_ptr, "{") ) {
- // start of record
- alpha = 0;
- m.ambient[0] = m.ambient[1] = m.ambient[2] = m.ambient[3] = 0.0;
- m.diffuse[0] = m.diffuse[1] = m.diffuse[2] = m.diffuse[3] = 0.0;
- m.specular[0] = m.specular[1] = m.specular[2] = m.specular[3] = 0.0;
- m.emissive[0] = m.emissive[1] = m.emissive[2] = m.emissive[3] = 0.0;
-
- material_name[0] = '\0';
- sscanf(line_ptr, "%s", material_name);
- if ( ! strlen(material_name) ) {
- fgPrintf( FG_TERRAIN, FG_INFO, "Bad material name in '%s'\n",
- line );
- }
- printf(" Loading material = %s\n", material_name);
- } else if ( strncmp(line_ptr, "alpha", 5) == 0 ) {
- line_ptr += 5;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- sscanf(line_ptr, "%s\n", value);
- if ( strcmp(value, "no") == 0 ) {
- alpha = 0;
- } else if ( strcmp(value, "yes") == 0 ) {
- alpha = 1;
- } else {
- fgPrintf( FG_TERRAIN, FG_INFO, "Bad alpha value '%s'\n", line );
- }
- } else if ( (strncmp(line_ptr, "texture", 7) == 0) &&
- !current_options.get_textures() ) {
- // do nothing
- } else if ( strncmp(line_ptr, "texture", 7) == 0 ) {
- line_ptr += 7;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- // printf("texture name = %s\n", line_ptr);
- sscanf(line_ptr, "%s\n", m.texture_name);
-
- // create the texture object and bind it
-#ifdef GL_VERSION_1_1
- xglGenTextures(1, &m.texture_id);
- xglBindTexture(GL_TEXTURE_2D, m.texture_id);
-#elif GL_EXT_texture_object
- xglGenTexturesEXT(1, &m.texture_id);
- xglBindTextureEXT(GL_TEXTURE_2D, m.texture_id);
-#else
-# error port me
-#endif
-
- // set the texture parameters for this texture
- xglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ) ;
- xglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ) ;
- xglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
- GL_LINEAR );
- // xglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
- // GL_NEAREST_MIPMAP_NEAREST );
- xglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- /* GL_LINEAR */
- /* GL_NEAREST_MIPMAP_LINEAR */
- GL_LINEAR_MIPMAP_LINEAR ) ;
-
- /* load in the texture data */
- current_options.get_fg_root(tpath);
- strcat(tpath, "/Textures/");
- strcat(tpath, m.texture_name);
- strcat(tpath, ".rgb");
-
- if ( alpha == 0 ) {
- // load rgb texture
-
- // Try uncompressed
- if ( (texbuf = read_rgb_texture(tpath, &width, &height))
- == NULL ) {
- // Try compressed
- strcpy(fg_tpath, tpath);
- strcat(fg_tpath, ".gz");
- if ( (texbuf = read_rgb_texture(fg_tpath, &width, &height))
- == NULL ) {
- fgPrintf( FG_GENERAL, FG_EXIT,
- "Error in loading texture %s\n", tpath );
- return(0);
- }
- }
-
- /* xglTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0,
- GL_RGB, GL_UNSIGNED_BYTE, texbuf); */
-
- gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGB, width, height,
- GL_RGB, GL_UNSIGNED_BYTE, texbuf );
- } else if ( alpha == 1 ) {
- // load rgba (alpha) texture
-
- // Try uncompressed
- if ( (texbuf = read_alpha_texture(tpath, &width, &height))
- == NULL ) {
- // Try compressed
- strcpy(fg_tpath, tpath);
- strcat(fg_tpath, ".gz");
- if ((texbuf = read_alpha_texture(fg_tpath, &width, &height))
- == NULL ) {
- fgPrintf( FG_GENERAL, FG_EXIT,
- "Error in loading texture %s\n", tpath );
- return(0);
- }
- }
-
- xglTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, texbuf);
- }
-
- } else if ( strncmp(line_ptr, "ambient", 7) == 0 ) {
- line_ptr += 7;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- sscanf( line_ptr, "%f %f %f %f",
- &m.ambient[0], &m.ambient[1], &m.ambient[2], &m.ambient[3]);
- } else if ( strncmp(line_ptr, "diffuse", 7) == 0 ) {
- line_ptr += 7;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- sscanf( line_ptr, "%f %f %f %f",
- &m.diffuse[0], &m.diffuse[1], &m.diffuse[2], &m.diffuse[3]);
- } else if ( strncmp(line_ptr, "specular", 8) == 0 ) {
- line_ptr += 8;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- sscanf( line_ptr, "%f %f %f %f",
- &m.specular[0], &m.specular[1],
- &m.specular[2], &m.specular[3]);
- } else if ( strncmp(line_ptr, "emissive", 8) == 0 ) {
- line_ptr += 8;
- while ( ( (line_ptr[0] == ' ') || (line_ptr[0] == '\t') ||
- (line_ptr[0] == '=') ) &&
- (line_ptr[0] != '\n') ) {
- line_ptr++;
- }
- sscanf( line_ptr, "%f %f %f %f",
- &m.emissive[0], &m.emissive[1],
- &m.emissive[2], &m.emissive[3]);
- } else if ( line_ptr[0] == '}' ) {
- // end of record, lets add this one to the list
- material_mgr.material_map[material_name] = m;
- } else {
- fgPrintf(FG_TERRAIN, FG_INFO,
- "Unknown line in material properties file\n");
- }
- }
-
- fgclose(f);
-
- return(1);
-}
-
-
-// Initialize the transient list of fragments for each material property
-void fgMATERIAL_MGR::init_transient_material_lists( void ) {
- map < string, fgMATERIAL, less<string> > :: iterator mapcurrent =
- material_mgr.material_map.begin();
- map < string, fgMATERIAL, less<string> > :: iterator maplast =
- material_mgr.material_map.end();
-
- while ( mapcurrent != maplast ) {
- // (char *)key = (*mapcurrent).first;
- // (fgMATERIAL)value = (*mapcurrent).second;
- (*mapcurrent).second.list_size = 0;
-
- *mapcurrent++;
- }
-}
-
-
-// Destructor
-fgMATERIAL_MGR::~fgMATERIAL_MGR ( void ) {
-}
-
-
-// $Log$
-// Revision 1.13 1998/08/24 20:11:39 curt
-// Tweaks ...
-//
-// Revision 1.12 1998/08/12 21:41:27 curt
-// Need to negate the test for textures so that textures aren't loaded when
-// they are disabled rather than visa versa ... :-)
-//
-// Revision 1.11 1998/08/12 21:13:03 curt
-// material.cxx: don't load textures if they are disabled
-// obj.cxx: optimizations from Norman Vine
-// tile.cxx: minor tweaks
-// tile.hxx: addition of num_faces
-// tilemgr.cxx: minor tweaks
-//
-// Revision 1.10 1998/07/24 21:42:06 curt
-// material.cxx: whups, double method declaration with no definition.
-// obj.cxx: tweaks to avoid errors in SGI's CC.
-// tile.cxx: optimizations by Norman Vine.
-// tilemgr.cxx: optimizations by Norman Vine.
-//
-// Revision 1.9 1998/07/13 21:01:57 curt
-// Wrote access functions for current fgOPTIONS.
-//
-// Revision 1.8 1998/07/08 14:47:20 curt
-// Fix GL_MODULATE vs. GL_DECAL problem introduced by splash screen.
-// polare3d.h renamed to polar3d.hxx
-// fg{Cartesian,Polar}Point3d consolodated.
-// Added some initial support for calculating local current ground elevation.
-//
-// Revision 1.7 1998/07/04 00:54:28 curt
-// Added automatic mipmap generation.
-//
-// When rendering fragments, use saved model view matrix from associated tile
-// rather than recalculating it with push() translate() pop().
-//
-// Revision 1.6 1998/06/27 16:54:59 curt
-// Check for GL_VERSION_1_1 or GL_EXT_texture_object to decide whether to use
-// "EXT" versions of texture management routines.
-//
-// Revision 1.5 1998/06/17 21:36:39 curt
-// Load and manage multiple textures defined in the Materials library.
-// Boost max material fagments for each material property to 800.
-// Multiple texture support when rendering.
-//
-// Revision 1.4 1998/06/12 00:58:04 curt
-// Build only static libraries.
-// Declare memmove/memset for Sloaris.
-//
-// Revision 1.3 1998/06/05 22:39:53 curt
-// Working on sorting by, and rendering by material properties.
-//
-// Revision 1.2 1998/06/01 17:56:20 curt
-// Incremental additions to material.cxx (not fully functional)
-// Tweaked vfc_ratio math to avoid divide by zero.
-//
-// Revision 1.1 1998/05/30 01:56:45 curt
-// Added material.cxx material.hxx
-//
+++ /dev/null
-// material.hxx -- class to handle material properties
-//
-// Written by Curtis Olson, started May 1998.
-//
-// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
-//
-// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-// (Log is kept at end of this file)
-
-
-#ifndef _MATERIAL_HXX
-#define _MATERIAL_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-
-#if defined ( __sun__ )
-extern "C" void *memmove(void *, const void *, size_t);
-extern "C" void *memset(void *, int, size_t);
-#endif
-
-#include <string> // Standard C++ string library
-#include <map> // STL associative "array"
-
-#ifdef NEEDNAMESPACESTD
-using namespace std;
-#endif
-
-#include "tile.hxx"
-
-
-#define FG_MAX_MATERIAL_FRAGS 800
-
-
-// Material property class
-class fgMATERIAL {
-
-public:
- // OpenGL texture name
- GLuint texture_id;
-
- // file name of texture
- char texture_name[256];
-
- // material properties
- GLfloat ambient[4], diffuse[4], specular[4], emissive[4];
- GLint texture_ptr;
-
- // transient list of objects with this material type (used for sorting
- // by material to reduce GL state changes when rendering the scene
- fgFRAGMENT * list[FG_MAX_MATERIAL_FRAGS];
- int list_size;
-
- // Constructor
- fgMATERIAL ( void );
-
- // Sorting routines
- void init_sort_list( void );
- int append_sort_list( fgFRAGMENT *object );
-
- // Destructor
- ~fgMATERIAL ( void );
-};
-
-
-// Material management class
-class fgMATERIAL_MGR {
-
-public:
-
- // associative array of materials
- map < string, fgMATERIAL, less<string> > material_map;
-
- // Constructor
- fgMATERIAL_MGR ( void );
-
- // Load a library of material properties
- int load_lib ( void );
-
- // Initialize the transient list of fragments for each material property
- void init_transient_material_lists( void );
-
- // Destructor
- ~fgMATERIAL_MGR ( void );
-};
-
-
-// global material management class
-extern fgMATERIAL_MGR material_mgr;
-
-
-#endif // _MATERIAL_HXX
-
-
-// $Log$
-// Revision 1.10 1998/07/24 21:42:06 curt
-// material.cxx: whups, double method declaration with no definition.
-// obj.cxx: tweaks to avoid errors in SGI's CC.
-// tile.cxx: optimizations by Norman Vine.
-// tilemgr.cxx: optimizations by Norman Vine.
-//
-// Revision 1.9 1998/07/06 21:34:33 curt
-// Added using namespace std for compilers that support this.
-//
-// Revision 1.8 1998/06/17 21:36:39 curt
-// Load and manage multiple textures defined in the Materials library.
-// Boost max material fagments for each material property to 800.
-// Multiple texture support when rendering.
-//
-// Revision 1.7 1998/06/12 00:58:04 curt
-// Build only static libraries.
-// Declare memmove/memset for Sloaris.
-//
-// Revision 1.6 1998/06/06 01:09:31 curt
-// I goofed on the log message in the last commit ... now fixed.
-//
-// Revision 1.5 1998/06/06 01:07:17 curt
-// Increased per material fragment list size from 100 to 400.
-// Now correctly draw viewable fragments in per material order.
-//
-// Revision 1.4 1998/06/05 22:39:53 curt
-// Working on sorting by, and rendering by material properties.
-//
-// Revision 1.3 1998/06/03 00:47:50 curt
-// No .h for STL includes.
-// Minor view culling optimizations.
-//
-// Revision 1.2 1998/06/01 17:56:20 curt
-// Incremental additions to material.cxx (not fully functional)
-// Tweaked vfc_ratio math to avoid divide by zero.
-//
-// Revision 1.1 1998/05/30 01:56:45 curt
-// Added material.cxx material.hxx
-//
+++ /dev/null
-// obj.cxx -- routines to handle "sorta" WaveFront .obj format files.
-//
-// Written by Curtis Olson, started October 1997.
-//
-// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
-//
-// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-// (Log is kept at end of this file)
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-
-#if defined ( __sun__ )
-extern "C" void *memmove(void *, const void *, size_t);
-extern "C" void *memset(void *, int, size_t);
-#endif
-
-#include <string> // Standard C++ library
-#include <map> // STL
-
-#ifdef NEEDNAMESPACESTD
-using namespace std;
-#endif
-
-#include <Debug/fg_debug.h>
-#include <Include/fg_constants.h>
-#include <Include/fg_zlib.h>
-#include <Main/options.hxx>
-#include <Math/mat3.h>
-#include <Math/fg_random.h>
-#include <Math/polar3d.hxx>
-
-#include "material.hxx"
-#include "obj.hxx"
-#include "scenery.hxx"
-#include "tile.hxx"
-
-
-static double normals[MAX_NODES][3];
-
-
-// given three points defining a triangle, calculate the normal
-static void calc_normal(double p1[3], double p2[3],
- double p3[3], double normal[3])
-{
- double v1[3], v2[3];
- double temp;
-
- v1[0] = p2[0] - p1[0]; v1[1] = p2[1] - p1[1]; v1[2] = p2[2] - p1[2];
- v2[0] = p3[0] - p1[0]; v2[1] = p3[1] - p1[1]; v2[2] = p3[2] - p1[2];
-
- MAT3cross_product(normal, v1, v2);
- MAT3_NORMALIZE_VEC(normal,temp);
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, " Normal = %.2f %.2f %.2f\n",
- // normal[0], normal[1], normal[2]);
-}
-
-
-#define FG_TEX_CONSTANT 128.0
-
-
-// Calculate texture coordinates for a given point.
-fgPoint3d calc_tex_coords(double *node, fgPoint3d *ref) {
- fgPoint3d cp;
- fgPoint3d pp;
-
- cp.x = node[0] + ref->x;
- cp.y = node[1] + ref->y;
- cp.z = node[2] + ref->z;
-
- pp = fgCartToPolar3d(cp);
-
- pp.lon = fmod(RAD_TO_DEG * FG_TEX_CONSTANT * pp.lon, 25.0);
- pp.lat = fmod(RAD_TO_DEG * FG_TEX_CONSTANT * pp.lat, 25.0);
-
- return(pp);
-}
-
-
-// Load a .obj file and build the GL fragment list
-int fgObjLoad(char *path, fgTILE *t) {
- fgFRAGMENT fragment;
- fgPoint3d pp;
- char fgpath[256], line[256], material[256];
- double approx_normal[3], normal[3], scale;
- // double x, y, z, xmax, xmin, ymax, ymin, zmax, zmin;
- // GLfloat sgenparams[] = { 1.0, 0.0, 0.0, 0.0 };
- GLint display_list;
- fgFile f;
- int shading;
- int in_fragment, in_faces, vncount, n1, n2, n3, n4;
- int last1, last2, odd;
- double (*nodes)[3];
- fgPoint3d *center;
-
- // First try "path.gz" (compressed format)
- strcpy(fgpath, path);
- strcat(fgpath, ".gz");
- if ( (f = fgopen(fgpath, "rb")) == NULL ) {
- // Next try "path" (uncompressed format)
- strcpy(fgpath, path);
- if ( (f = fgopen(fgpath, "rb")) == NULL ) {
- // Next try "path.obj" (uncompressed format)
- strcat(fgpath, ".gz");
- if ( (f = fgopen(fgpath, "rb")) == NULL ) {
- strcpy(fgpath, path);
- fgPrintf( FG_TERRAIN, FG_ALERT,
- "Cannot open file: %s\n", fgpath );
- return(0);
- }
- }
- }
-
- shading = current_options.get_shading();
-
- in_fragment = 0;
- t->ncount = 1;
- vncount = 1;
- t->bounding_radius = 0.0;
- nodes = t->nodes;
- center = &t->center;
-
- while ( fggets(f, line, 250) != NULL ) {
- if ( line[0] == '#' ) {
- // comment -- ignore
- } else if ( line[0] == '\n' ) {
- // empty line -- ignore
- } else if ( strncmp(line, "gbs ", 4) == 0 ) {
- // reference point (center offset)
- sscanf(line, "gbs %lf %lf %lf %lf\n",
- &t->center.x, &t->center.y, &t->center.z,
- &t->bounding_radius);
- } else if ( strncmp(line, "bs ", 3) == 0 ) {
- // reference point (center offset)
- sscanf(line, "bs %lf %lf %lf %lf\n",
- &fragment.center.x, &fragment.center.y, &fragment.center.z,
- &fragment.bounding_radius);
- } else if ( strncmp(line, "v ", 2) == 0 ) {
- // node (vertex)
- if ( t->ncount < MAX_NODES ) {
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "vertex = %s", line);
- sscanf(line, "v %lf %lf %lf\n",
- &(t->nodes[t->ncount][0]), &(t->nodes[t->ncount][1]),
- &(t->nodes[t->ncount][2]));
-
- t->ncount++;
-
- } else {
- fgPrintf( FG_TERRAIN, FG_EXIT,
- "Read too many nodes ... dying :-(\n");
- }
- } else if ( strncmp(line, "vn ", 3) == 0 ) {
- // vertex normal
- if ( vncount < MAX_NODES ) {
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "vertex normal = %s", line);
- sscanf(line, "vn %lf %lf %lf\n",
- &normals[vncount][0], &normals[vncount][1],
- &normals[vncount][2]);
- vncount++;
- } else {
- fgPrintf( FG_TERRAIN, FG_EXIT,
- "Read too many vertex normals ... dying :-(\n");
- }
- } else if ( strncmp(line, "usemtl ", 7) == 0 ) {
- // material property specification
-
- // this also signals the start of a new fragment
- if ( in_fragment ) {
- // close out the previous structure and start the next
- xglEnd();
- xglEndList();
-
- // update fragment
- fragment.display_list = display_list;
-
- // push this fragment onto the tile's object list
- t->fragment_list.push_back(fragment);
- } else {
- in_fragment = 1;
- }
-
- display_list = xglGenLists(1);
- xglNewList(display_list, GL_COMPILE);
- in_faces = 0;
-
- // reset the existing face list
- // printf("cleaning a fragment with %d faces\n",
- // fragment.faces.size());
- while ( fragment.faces.size() ) {
- // printf("emptying face list\n");
- fragment.faces.pop_front();
- }
-
- // scan the material line
- sscanf(line, "usemtl %s\n", material);
-
- // give the fragment a pointer back to the tile
- fragment.tile_ptr = t;
-
- // find this material in the properties list
- map < string, fgMATERIAL, less<string> > :: iterator myfind =
- material_mgr.material_map.find(material);
- if ( myfind == material_mgr.material_map.end() ) {
- fgPrintf( FG_TERRAIN, FG_ALERT,
- "Ack! unknown usemtl name = %s in %s\n",
- material, path);
- } else {
- fragment.material_ptr = &((*myfind).second);
- }
-
- // initialize the fragment transformation matrix
- /*
- for ( i = 0; i < 16; i++ ) {
- fragment.matrix[i] = 0.0;
- }
- fragment.matrix[0] = fragment.matrix[5] =
- fragment.matrix[10] = fragment.matrix[15] = 1.0;
- */
-
- // initialize fragment face counter
- fragment.num_faces = 0;
-
- } else if ( line[0] == 't' ) {
- // start a new triangle strip
-
- n1 = n2 = n3 = n4 = 0;
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, " new tri strip = %s", line);
- sscanf(line, "t %d %d %d %d\n", &n1, &n2, &n3, &n4);
-
- fragment.add_face(n1, n2, n3);
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "(t) = ");
-
- xglBegin(GL_TRIANGLE_STRIP);
-
- odd = 1;
- scale = 1.0;
-
- if ( shading ) {
- // Shading model is "GL_SMOOTH" so use precalculated
- // (averaged) normals
- MAT3_SCALE_VEC(normal, normals[n1], scale);
- xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n1], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n1][0],t->nodes[n1][1],t->nodes[n1][2]);
- xglVertex3dv(nodes[n1]);
-
- MAT3_SCALE_VEC(normal, normals[n2], scale);
- xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n2], center);
- xglTexCoord2f(pp.lon, pp.lat);
- //xglVertex3d(t->nodes[n2][0],t->nodes[n2][1],t->nodes[n2][2]);
- xglVertex3dv(nodes[n2]);
-
- MAT3_SCALE_VEC(normal, normals[n3], scale);
- xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n3], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n3][0],t->nodes[n3][1],t->nodes[n3][2]);
- xglVertex3dv(nodes[n3]);
- } else {
- // Shading model is "GL_FLAT" so calculate per face
- // normals on the fly.
- if ( odd ) {
- calc_normal(nodes[n1], nodes[n2],
- nodes[n3], approx_normal);
- } else {
- calc_normal(nodes[n2], nodes[n1],
- nodes[n3], approx_normal);
- }
- MAT3_SCALE_VEC(normal, approx_normal, scale);
- xglNormal3dv(normal);
-
- pp = calc_tex_coords(nodes[n1], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n1][0],t->nodes[n1][1],t->nodes[n1][2]);
- xglVertex3dv(nodes[n1]);
-
- pp = calc_tex_coords(nodes[n2], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n2][0],t->nodes[n2][1],t->nodes[n2][2]);
- xglVertex3dv(nodes[n2]);
-
- pp = calc_tex_coords(nodes[n3], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n3][0],t->nodes[n3][1],t->nodes[n3][2]);
- xglVertex3dv(nodes[n3]);
- }
-
- odd = 1 - odd;
- last1 = n2;
- last2 = n3;
-
- if ( n4 > 0 ) {
- fragment.add_face(n3, n2, n4);
-
- if ( shading ) {
- // Shading model is "GL_SMOOTH"
- MAT3_SCALE_VEC(normal, normals[n4], scale);
- } else {
- // Shading model is "GL_FLAT"
- calc_normal(nodes[n3], nodes[n2], nodes[n4],
- approx_normal);
- MAT3_SCALE_VEC(normal, approx_normal, scale);
- }
- xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n4], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n4][0],t->nodes[n4][1],t->nodes[n4][2]);
- xglVertex3dv(nodes[n4]);
-
- odd = 1 - odd;
- last1 = n3;
- last2 = n4;
- }
- } else if ( line[0] == 'f' ) {
- // unoptimized face
-
- if ( !in_faces ) {
- xglBegin(GL_TRIANGLES);
- in_faces = 1;
- }
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "new triangle = %s", line);*/
- sscanf(line, "f %d %d %d\n", &n1, &n2, &n3);
-
- fragment.add_face(n1, n2, n3);
-
- // xglNormal3d(normals[n1][0], normals[n1][1], normals[n1][2]);
- xglNormal3dv(normals[n1]);
- pp = calc_tex_coords(nodes[n1], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n1][0], t->nodes[n1][1], t->nodes[n1][2]);
- xglVertex3dv(nodes[n1]);
-
- // xglNormal3d(normals[n2][0], normals[n2][1], normals[n2][2]);
- xglNormal3dv(normals[n2]);
- pp = calc_tex_coords(nodes[n2], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n2][0], t->nodes[n2][1], t->nodes[n2][2]);
- xglVertex3dv(nodes[n2]);
-
- // xglNormal3d(normals[n3][0], normals[n3][1], normals[n3][2]);
- xglNormal3dv(normals[n3]);
- pp = calc_tex_coords(nodes[n3], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n3][0], t->nodes[n3][1], t->nodes[n3][2]);
- xglVertex3dv(nodes[n3]);
- } else if ( line[0] == 'q' ) {
- // continue a triangle strip
- n1 = n2 = 0;
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "continued tri strip = %s ",
- // line);
- sscanf(line, "q %d %d\n", &n1, &n2);
- // fgPrintf( FG_TERRAIN, FG_DEBUG, "read %d %d\n", n1, n2);
-
- if ( odd ) {
- fragment.add_face(last1, last2, n1);
- } else {
- fragment.add_face(last2, last1, n1);
- }
-
- if ( shading ) {
- // Shading model is "GL_SMOOTH"
- MAT3_SCALE_VEC(normal, normals[n1], scale);
- xglNormal3dv(normal);
- } else {
- // Shading model is "GL_FLAT"
- if ( odd ) {
- calc_normal(nodes[last1], nodes[last2], nodes[n1],
- approx_normal);
- } else {
- calc_normal(nodes[last2], nodes[last1], nodes[n1],
- approx_normal);
- }
- MAT3_SCALE_VEC(normal, approx_normal, scale);
- xglNormal3dv(normal);
- }
-
- pp = calc_tex_coords(nodes[n1], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n1][0], t->nodes[n1][1], t->nodes[n1][2]);
- xglVertex3dv(nodes[n1]);
-
- odd = 1 - odd;
- last1 = last2;
- last2 = n1;
-
- if ( n2 > 0 ) {
- // fgPrintf( FG_TERRAIN, FG_DEBUG, " (cont)\n");
-
- if ( odd ) {
- fragment.add_face(last1, last2, n2);
- } else {
- fragment.add_face(last2, last1, n2);
- }
-
- if ( shading ) {
- // Shading model is "GL_SMOOTH"
- MAT3_SCALE_VEC(normal, normals[n2], scale);
- xglNormal3dv(normal);
- } else {
- // Shading model is "GL_FLAT"
- if ( odd ) {
- calc_normal(nodes[last1], nodes[last2],
- nodes[n2], approx_normal);
- } else {
- calc_normal(nodes[last2], nodes[last1],
- nodes[n2], approx_normal);
- }
- MAT3_SCALE_VEC(normal, approx_normal, scale);
- xglNormal3dv(normal);
- }
-
- pp = calc_tex_coords(nodes[n2], center);
- xglTexCoord2f(pp.lon, pp.lat);
- // xglVertex3d(t->nodes[n2][0],t->nodes[n2][1],t->nodes[n2][2]);
- xglVertex3dv(nodes[n2]);
-
- odd = 1 -odd;
- last1 = last2;
- last2 = n2;
- }
- } else {
- fgPrintf( FG_TERRAIN, FG_WARN, "Unknown line in %s = %s\n",
- path, line);
- }
- }
-
- if ( in_fragment ) {
- // close out the previous structure and start the next
- xglEnd();
- xglEndList();
-
- // update fragment
- fragment.display_list = display_list;
-
- // push this fragment onto the tile's object list
- t->fragment_list.push_back(fragment);
- }
-
- // Draw normal vectors (for visually verifying normals)
- /*
- xglBegin(GL_LINES);
- xglColor3f(0.0, 0.0, 0.0);
- for ( i = 0; i < t->ncount; i++ ) {
- xglVertex3d(t->nodes[i][0],
- t->nodes[i][1] ,
- t->nodes[i][2]);
- xglVertex3d(t->nodes[i][0] + 500*normals[i][0],
- t->nodes[i][1] + 500*normals[i][1],
- t->nodes[i][2] + 500*normals[i][2]);
- }
- xglEnd();
- */
-
- fgclose(f);
-
- return(1);
-}
-
-
-// $Log$
-// Revision 1.23 1998/08/20 15:16:43 curt
-// obj.cxx: use more explicit parenthases.
-// texload.[ch]: use const in function definitions where appropriate.
-//
-// Revision 1.22 1998/08/20 15:12:03 curt
-// Used a forward declaration of classes fgTILE and fgMATERIAL to eliminate
-// the need for "void" pointers and casts.
-// Quick hack to count the number of scenery polygons that are being drawn.
-//
-// Revision 1.21 1998/08/12 21:13:04 curt
-// material.cxx: don't load textures if they are disabled
-// obj.cxx: optimizations from Norman Vine
-// tile.cxx: minor tweaks
-// tile.hxx: addition of num_faces
-// tilemgr.cxx: minor tweaks
-//
-// Revision 1.20 1998/07/24 21:42:07 curt
-// material.cxx: whups, double method declaration with no definition.
-// obj.cxx: tweaks to avoid errors in SGI's CC.
-// tile.cxx: optimizations by Norman Vine.
-// tilemgr.cxx: optimizations by Norman Vine.
-//
-// Revision 1.19 1998/07/13 21:01:58 curt
-// Wrote access functions for current fgOPTIONS.
-//
-// Revision 1.18 1998/07/12 03:18:27 curt
-// Added ground collision detection. This involved:
-// - saving the entire vertex list for each tile with the tile records.
-// - saving the face list for each fragment with the fragment records.
-// - code to intersect the current vertical line with the proper face in
-// an efficient manner as possible.
-// Fixed a bug where the tiles weren't being shifted to "near" (0,0,0)
-//
-// Revision 1.17 1998/07/08 14:47:21 curt
-// Fix GL_MODULATE vs. GL_DECAL problem introduced by splash screen.
-// polare3d.h renamed to polar3d.hxx
-// fg{Cartesian,Polar}Point3d consolodated.
-// Added some initial support for calculating local current ground elevation.
-//
-// Revision 1.16 1998/07/06 21:34:33 curt
-// Added using namespace std for compilers that support this.
-//
-// Revision 1.15 1998/07/04 00:54:28 curt
-// Added automatic mipmap generation.
-//
-// When rendering fragments, use saved model view matrix from associated tile
-// rather than recalculating it with push() translate() pop().
-//
-// Revision 1.14 1998/06/17 21:36:40 curt
-// Load and manage multiple textures defined in the Materials library.
-// Boost max material fagments for each material property to 800.
-// Multiple texture support when rendering.
-//
-// Revision 1.13 1998/06/12 00:58:05 curt
-// Build only static libraries.
-// Declare memmove/memset for Sloaris.
-//
-// Revision 1.12 1998/06/08 17:57:54 curt
-// Working first pass at material proporty sorting.
-//
-// Revision 1.11 1998/06/06 01:09:31 curt
-// I goofed on the log message in the last commit ... now fixed.
-//
-// Revision 1.10 1998/06/06 01:07:17 curt
-// Increased per material fragment list size from 100 to 400.
-// Now correctly draw viewable fragments in per material order.
-//
-// Revision 1.9 1998/06/05 22:39:54 curt
-// Working on sorting by, and rendering by material properties.
-//
-// Revision 1.8 1998/06/05 18:19:18 curt
-// Recognize file, file.gz, and file.obj as scenery object files.
-//
-// Revision 1.7 1998/05/24 02:49:09 curt
-// Implimented fragment level view frustum culling.
-//
-// Revision 1.6 1998/05/23 14:09:20 curt
-// Added tile.cxx and tile.hxx.
-// Working on rewriting the tile management system so a tile is just a list
-// fragments, and the fragment record contains the display list for that
-// fragment.
-//
-// Revision 1.5 1998/05/20 20:53:53 curt
-// Moved global ref point and radius (bounding sphere info, and offset) to
-// data file rather than calculating it on the fly.
-// Fixed polygon winding problem in scenery generation stage rather than
-// compensating for it on the fly.
-// Made a fgTILECACHE class.
-//
-// Revision 1.4 1998/05/16 13:09:57 curt
-// Beginning to add support for view frustum culling.
-// Added some temporary code to calculate bouding radius, until the
-// scenery generation tools and scenery can be updated.
-//
-// Revision 1.3 1998/05/03 00:48:01 curt
-// Updated texture coordinate fmod() parameter.
-//
-// Revision 1.2 1998/05/02 01:52:14 curt
-// Playing around with texture coordinates.
-//
-// Revision 1.1 1998/04/30 12:35:28 curt
-// Added a command line rendering option specify smooth/flat shading.
-//
-// Revision 1.35 1998/04/28 21:43:26 curt
-// Wrapped zlib calls up so we can conditionally comment out zlib support.
-//
-// Revision 1.34 1998/04/28 01:21:42 curt
-// Tweaked texture parameter calculations to keep the number smaller. This
-// avoids the "swimming" problem.
-// Type-ified fgTIME and fgVIEW.
-//
-// Revision 1.33 1998/04/27 15:58:15 curt
-// Screwing around with texture coordinate generation ... still needs work.
-//
-// Revision 1.32 1998/04/27 03:30:13 curt
-// Minor transformation adjustments to try to keep scenery tiles closer to
-// (0, 0, 0) GLfloats run out of precision at the distances we need to model
-// the earth, but we can do a bunch of pre-transformations using double math
-// and then cast to GLfloat once everything is close in where we have less
-// precision problems.
-//
-// Revision 1.31 1998/04/25 15:09:57 curt
-// Changed "r" to "rb" in gzopen() options. This fixes bad behavior in win32.
-//
-// Revision 1.30 1998/04/24 14:21:08 curt
-// Added "file.obj.gz" support.
-//
-// Revision 1.29 1998/04/24 00:51:07 curt
-// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
-// Tweaked the scenery file extentions to be "file.obj" (uncompressed)
-// or "file.obz" (compressed.)
-//
-// Revision 1.28 1998/04/22 13:22:44 curt
-// C++ - ifing the code a bit.
-//
-// Revision 1.27 1998/04/18 04:13:17 curt
-// Added zlib on the fly decompression support for loading scenery objects.
-//
-// Revision 1.26 1998/04/03 22:11:36 curt
-// Converting to Gnu autoconf system.
-//
-// Revision 1.25 1998/03/14 00:30:50 curt
-// Beginning initial terrain texturing experiments.
-//
-// Revision 1.24 1998/02/09 21:30:18 curt
-// Fixed a nagging problem with terrain tiles not "quite" matching up perfectly.
-//
-// Revision 1.23 1998/02/09 15:07:52 curt
-// Minor tweaks.
-//
-// Revision 1.22 1998/02/01 03:39:54 curt
-// Minor tweaks.
-//
-// Revision 1.21 1998/01/31 00:43:25 curt
-// Added MetroWorks patches from Carmen Volpe.
-//
-// Revision 1.20 1998/01/29 00:51:39 curt
-// First pass at tile cache, dynamic tile loading and tile unloading now works.
-//
-// Revision 1.19 1998/01/27 03:26:42 curt
-// Playing with new fgPrintf command.
-//
-// Revision 1.18 1998/01/19 19:27:16 curt
-// Merged in make system changes from Bob Kuehne <rpk@sgi.com>
-// This should simplify things tremendously.
-//
-// Revision 1.17 1998/01/13 00:23:10 curt
-// Initial changes to support loading and management of scenery tiles. Note,
-// there's still a fair amount of work left to be done.
-//
-// Revision 1.16 1997/12/30 23:09:40 curt
-// Worked on winding problem without luck, so back to calling glFrontFace()
-// 3 times for each scenery area.
-//
-// Revision 1.15 1997/12/30 20:47:51 curt
-// Integrated new event manager with subsystem initializations.
-//
-// Revision 1.14 1997/12/30 01:38:46 curt
-// Switched back to per vertex normals and smooth shading for terrain.
-//
-// Revision 1.13 1997/12/18 23:32:36 curt
-// First stab at sky dome actually starting to look reasonable. :-)
-//
-// Revision 1.12 1997/12/17 23:13:47 curt
-// Began working on rendering the sky.
-//
-// Revision 1.11 1997/12/15 23:55:01 curt
-// Add xgl wrappers for debugging.
-// Generate terrain normals on the fly.
-//
-// Revision 1.10 1997/12/12 21:41:28 curt
-// More light/material property tweaking ... still a ways off.
-//
-// Revision 1.9 1997/12/12 19:52:57 curt
-// Working on lightling and material properties.
-//
-// Revision 1.8 1997/12/10 01:19:51 curt
-// Tweaks for verion 0.15 release.
-//
-// Revision 1.7 1997/12/08 22:51:17 curt
-// Enhanced to handle ccw and cw tri-stripe winding. This is a temporary
-// admission of defeat. I will eventually go back and get all the stripes
-// wound the same way (ccw).
-//
-// Revision 1.6 1997/11/25 19:25:35 curt
-// Changes to integrate Durk's moon/sun code updates + clean up.
-//
-// Revision 1.5 1997/11/15 18:16:39 curt
-// minor tweaks.
-//
-// Revision 1.4 1997/11/14 00:26:49 curt
-// Transform scenery coordinates earlier in pipeline when scenery is being
-// created, not when it is being loaded. Precalculate normals for each node
-// as average of the normals of each containing polygon so Garoude shading is
-// now supportable.
-//
-// Revision 1.3 1997/10/31 04:49:12 curt
-// Tweaking vertex orders.
-//
-// Revision 1.2 1997/10/30 12:38:45 curt
-// Working on new scenery subsystem.
-//
-// Revision 1.1 1997/10/28 21:14:54 curt
-// Initial revision.
-
-
+++ /dev/null
-// obj.hxx -- routines to handle WaveFront .obj-ish format files.
-//
-// Written by Curtis Olson, started October 1997.
-//
-// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
-//
-// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-// (Log is kept at end of this file)
-
-
-#ifndef _OBJ_HXX
-#define _OBJ_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <GL/glut.h>
-
-#include <Include/fg_types.h>
-
-#include "tile.hxx"
-
-
-// Load a .obj file and build the GL fragment list
-int fgObjLoad(char *path, fgTILE *tile);
-
-
-#endif // _OBJ_HXX
-
-
-// $Log$
-// Revision 1.4 1998/05/24 02:49:10 curt
-// Implimented fragment level view frustum culling.
-//
-// Revision 1.3 1998/05/23 14:09:21 curt
-// Added tile.cxx and tile.hxx.
-// Working on rewriting the tile management system so a tile is just a list
-// fragments, and the fragment record contains the display list for that
-// fragment.
-//
-// Revision 1.2 1998/05/02 01:52:15 curt
-// Playing around with texture coordinates.
-//
-// Revision 1.1 1998/04/30 12:35:29 curt
-// Added a command line rendering option specify smooth/flat shading.
-//
-// Revision 1.11 1998/04/25 22:06:31 curt
-// Edited cvs log messages in source files ... bad bad bad!
-//
-// Revision 1.10 1998/04/24 00:51:07 curt
-// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
-// Tweaked the scenery file extentions to be "file.obj" (uncompressed)
-// or "file.obz" (compressed.)
-//
-// Revision 1.9 1998/04/22 13:22:45 curt
-// C++ - ifing the code a bit.
-//
-// Revision 1.8 1998/04/21 17:02:43 curt
-// Prepairing for C++ integration.
-//
-// Revision 1.7 1998/04/03 22:11:37 curt
-// Converting to Gnu autoconf system.
-//
-// Revision 1.6 1998/01/31 00:43:25 curt
-// Added MetroWorks patches from Carmen Volpe.
-//
-// Revision 1.5 1998/01/27 00:48:03 curt
-// Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
-// system and commandline/config file processing code.
-//
-// Revision 1.4 1998/01/22 02:59:41 curt
-// Changed #ifdef FILE_H to #ifdef _FILE_H
-//
-// Revision 1.3 1998/01/19 19:27:17 curt
-// Merged in make system changes from Bob Kuehne <rpk@sgi.com>
-// This should simplify things tremendously.
-//
-// Revision 1.2 1998/01/13 00:23:10 curt
-// Initial changes to support loading and management of scenery tiles. Note,
-// there's still a fair amount of work left to be done.
-//
-// Revision 1.1 1997/10/28 21:14:55 curt
-// Initial revision.
-
#include <Debug/fg_debug.h>
#include <Main/options.hxx>
-#include "obj.hxx"
+// #include "obj.hxx"
#include "scenery.hxx"
// #include "texload.h"
/* $Log$
-/* Revision 1.7 1998/07/13 21:01:59 curt
-/* Wrote access functions for current fgOPTIONS.
+/* Revision 1.8 1998/08/25 16:52:40 curt
+/* material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
+/* ../Objects
/*
+ * Revision 1.7 1998/07/13 21:01:59 curt
+ * Wrote access functions for current fgOPTIONS.
+ *
* Revision 1.6 1998/07/12 03:18:27 curt
* Added ground collision detection. This involved:
* - saving the entire vertex list for each tile with the tile records.
+++ /dev/null
-
-/* texture.c - by David Blythe, SGI */
-
-/* texload is a simplistic routine for reading an SGI .rgb image file. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <Include/fg_zlib.h>
-
-#include "texload.h"
-
-typedef struct _ImageRec {
- unsigned short imagic;
- unsigned short type;
- unsigned short dim;
- unsigned short xsize, ysize, zsize;
- unsigned int min, max;
- unsigned int wasteBytes;
- char name[80];
- unsigned long colorMap;
- fgFile file;
- unsigned char *tmp;
- unsigned long rleEnd;
- unsigned int *rowStart;
- int *rowSize;
-} ImageRec;
-
-void
-rgbtorgb(unsigned char *r,unsigned char *g,unsigned char *b,unsigned char *l,int n) {
- while(n--) {
- l[0] = r[0];
- l[1] = g[0];
- l[2] = b[0];
- l += 3; r++; g++; b++;
- }
-}
-
-static void
-ConvertShort(unsigned short *array, unsigned int length) {
- unsigned short b1, b2;
- unsigned char *ptr;
-
- ptr = (unsigned char *)array;
- while (length--) {
- b1 = *ptr++;
- b2 = *ptr++;
- *array++ = (b1 << 8) | (b2);
- }
-}
-
-static void
-ConvertUint(unsigned *array, unsigned int length) {
- unsigned int b1, b2, b3, b4;
- unsigned char *ptr;
-
- ptr = (unsigned char *)array;
- while (length--) {
- b1 = *ptr++;
- b2 = *ptr++;
- b3 = *ptr++;
- b4 = *ptr++;
- *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
- }
-}
-
-static ImageRec *ImageOpen(const char *fileName)
-{
- union {
- int testWord;
- char testByte[4];
- } endianTest;
-
- ImageRec *image;
- int swapFlag;
- int x;
-
- endianTest.testWord = 1;
- if (endianTest.testByte[0] == 1) {
- swapFlag = 1;
- } else {
- swapFlag = 0;
- }
-
- image = (ImageRec *)malloc(sizeof(ImageRec));
- if (image == NULL) {
- fprintf(stderr, "Out of memory!\n");
- exit(1);
- }
- if ((image->file = fgopen(fileName, "rb")) == NULL) {
- return NULL;
- }
-
- // fread(image, 1, 12, image->file);
- fgread(image->file, image, 12);
-
- if (swapFlag) {
- ConvertShort(&image->imagic, 6);
- }
-
- image->tmp = (unsigned char *)malloc(image->xsize*256);
- if (image->tmp == NULL) {
- fprintf(stderr, "\nOut of memory!\n");
- exit(1);
- }
-
- if ((image->type & 0xFF00) == 0x0100) {
- x = image->ysize * image->zsize * (int) sizeof(unsigned);
- image->rowStart = (unsigned *)malloc(x);
- image->rowSize = (int *)malloc(x);
- if (image->rowStart == NULL || image->rowSize == NULL) {
- fprintf(stderr, "\nOut of memory!\n");
- exit(1);
- }
- image->rleEnd = 512 + (2 * x);
- fgseek(image->file, 512, SEEK_SET);
- // fread(image->rowStart, 1, x, image->file);
- fgread(image->file, image->rowStart, x);
- // fread(image->rowSize, 1, x, image->file);
- fgread(image->file, image->rowSize, x);
- if (swapFlag) {
- ConvertUint(image->rowStart, x/(int) sizeof(unsigned));
- ConvertUint((unsigned *)image->rowSize, x/(int) sizeof(int));
- }
- }
- return image;
-}
-
-static void
-ImageClose(ImageRec *image) {
- fgclose(image->file);
- free(image->tmp);
- free(image);
-}
-
-static void
-ImageGetRow(ImageRec *image, unsigned char *buf, int y, int z) {
- unsigned char *iPtr, *oPtr, pixel;
- int count;
-
- if ((image->type & 0xFF00) == 0x0100) {
- fgseek(image->file, (long) image->rowStart[y+z*image->ysize], SEEK_SET);
- // fread(image->tmp, 1, (unsigned int)image->rowSize[y+z*image->ysize],
- // image->file);
- fgread(image->file, image->tmp,
- (unsigned int)image->rowSize[y+z*image->ysize]);
-
- iPtr = image->tmp;
- oPtr = buf;
- for (;;) {
- pixel = *iPtr++;
- count = (int)(pixel & 0x7F);
- if (!count) {
- return;
- }
- if (pixel & 0x80) {
- while (count--) {
- *oPtr++ = *iPtr++;
- }
- } else {
- pixel = *iPtr++;
- while (count--) {
- *oPtr++ = pixel;
- }
- }
- }
- } else {
- fgseek(image->file, 512+(y*image->xsize)+(z*image->xsize*image->ysize),
- SEEK_SET);
- // fread(buf, 1, image->xsize, image->file);
- fgread(image->file, buf, image->xsize);
- }
-}
-
-GLubyte *
-read_alpha_texture(const char *name, int *width, int *height)
-{
- unsigned char *base, *lptr;
- ImageRec *image;
- int y;
-
- image = ImageOpen(name);
- if(!image) {
- return NULL;
- }
-
- (*width)=image->xsize;
- (*height)=image->ysize;
-
- printf("image->zsize = %d\n", image->zsize);
-
- if (image->zsize != 1) {
- ImageClose(image);
- return NULL;
- }
-
- base = (unsigned char *)malloc(image->xsize*image->ysize*sizeof(unsigned char));
- lptr = base;
- for(y=0; y<image->ysize; y++) {
- ImageGetRow(image,lptr,y,0);
- lptr += image->xsize;
- }
- ImageClose(image);
-
- return (unsigned char *) base;
-}
-
-GLubyte *
-read_rgb_texture(const char *name, int *width, int *height)
-{
- unsigned char *base, *ptr;
- unsigned char *rbuf, *gbuf, *bbuf, *abuf;
- ImageRec *image;
- int y;
-
- image = ImageOpen(name);
-
- if(!image)
- return NULL;
- (*width)=image->xsize;
- (*height)=image->ysize;
- if (image->zsize != 3 && image->zsize != 4) {
- ImageClose(image);
- return NULL;
- }
-
- base = (unsigned char*)malloc(image->xsize*image->ysize*sizeof(unsigned int)*3);
- rbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
- gbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
- bbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
- abuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
- if(!base || !rbuf || !gbuf || !bbuf || !abuf) {
- if (base) free(base);
- if (rbuf) free(rbuf);
- if (gbuf) free(gbuf);
- if (bbuf) free(bbuf);
- if (abuf) free(abuf);
- return NULL;
- }
- ptr = base;
- for(y=0; y<image->ysize; y++) {
- if(image->zsize == 4) {
- ImageGetRow(image,rbuf,y,0);
- ImageGetRow(image,gbuf,y,1);
- ImageGetRow(image,bbuf,y,2);
- ImageGetRow(image,abuf,y,3); /* Discard. */
- rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
- ptr += (image->xsize * 3);
- } else {
- ImageGetRow(image,rbuf,y,0);
- ImageGetRow(image,gbuf,y,1);
- ImageGetRow(image,bbuf,y,2);
- rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
- ptr += (image->xsize * 3);
- }
- }
- ImageClose(image);
- free(rbuf);
- free(gbuf);
- free(bbuf);
- free(abuf);
-
- return (GLubyte *) base;
-}
+++ /dev/null
-
-/* Copyright (c) Mark J. Kilgard, 1997. */
-
-/* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
-
-
-#ifndef _TEXLOAD_H
-#define _TEXLOAD_H
-
-
-#include <GL/glut.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-extern GLubyte *read_alpha_texture(const char *name, int *width, int *height);
-extern GLubyte * read_rgb_texture(const char *name, int *width, int *height);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* _TEXLOAD_H */
#include "tile.hxx"
+#if 0
// return the sign of a value
#define FG_SIGN( x ) ((x) < 0 ? -1 : 1)
return bounding_radius < rhs.bounding_radius;
}
+#endif
// Constructor
// $Log$
+// Revision 1.10 1998/08/25 16:52:42 curt
+// material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
+// ../Objects
+//
// Revision 1.9 1998/08/24 20:11:39 curt
// Tweaks ...
//
#include <Bucket/bucketutils.h>
#include <Include/fg_types.h>
#include <Math/mat3.h>
+#include <Objects/fragment.hxx>
#ifdef NEEDNAMESPACESTD
using namespace std;
#endif
-// Maximum nodes per tile
-#define MAX_NODES 2000
-
-
-// Forward declarations
-class fgTILE;
-class fgMATERIAL;
-
-
-class fgFACE {
-public:
- int n1, n2, n3;
-
- fgFACE();
- ~fgFACE();
- fgFACE( const fgFACE & image );
- bool operator < ( const fgFACE & rhs );
- bool operator == ( const fgFACE & rhs );
-};
-
-
-// Object fragment data class
-class fgFRAGMENT {
-
-public:
- // culling data for this object fragment (fine grain culling)
- fgPoint3d center;
- double bounding_radius;
-
- // variable offset data for this object fragment for this frame
- // fgCartesianPoint3d tile_offset;
-
- // saved transformation matrix for this fragment (used by renderer)
- // GLfloat matrix[16];
-
- // tile_ptr & material_ptr are set so that when we traverse the
- // list of fragments we can quickly reference back the tile or
- // material property this fragment is assigned to.
-
- // material property pointer
- fgMATERIAL *material_ptr;
-
- // tile pointer
- fgTILE *tile_ptr;
-
- // OpenGL display list for fragment data
- GLint display_list;
-
- // face list (this indexes into the master tile vertex list)
- list < fgFACE > faces;
-
- // number of faces in this fragment
- int num_faces;
-
- // Add a face to the face list
- void add_face(int n1, int n2, int n3);
-
- // test if line intesects with this fragment. p0 and p1 are the
- // two line end points of the line. If side_flag is true, check
- // to see that end points are on opposite sides of face. Returns
- // 1 if it intersection found, 0 otherwise. If it intesects,
- // result is the point of intersection
- int intersect( fgPoint3d *end0, fgPoint3d *end1, int side_flag,
- fgPoint3d *result);
-
- // Constructors
- fgFRAGMENT ();
- fgFRAGMENT ( const fgFRAGMENT &image );
-
- // Destructor
- ~fgFRAGMENT ( );
-
- // operators
- fgFRAGMENT & operator = ( const fgFRAGMENT & rhs );
- bool operator == ( const fgFRAGMENT & rhs );
- bool operator < ( const fgFRAGMENT & rhs );
-};
-
-
// Scenery tile class
class fgTILE {
// $Log$
-// Revision 1.17 1998/08/22 14:49:58 curt
+// Revision 1.18 1998/08/25 16:52:42 curt
+// material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
+// ../Objects
+//
+// Revision 1.17 1998/08/22 14:49:58 curt
// Attempting to iron out seg faults and crashes.
// Did some shuffling to fix a initialization order problem between view
// position, scenery elevation.
#include <Debug/fg_debug.h>
#include <Main/options.hxx>
#include <Main/views.hxx>
+#include <Objects/obj.hxx>
-#include "obj.hxx"
#include "tile.hxx"
#include "tilecache.hxx"
// $Log$
+// Revision 1.14 1998/08/25 16:52:43 curt
+// material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
+// ../Objects
+//
// Revision 1.13 1998/07/13 21:02:00 curt
// Wrote access functions for current fgOPTIONS.
//
#include <Math/mat3.h>
#include <Math/polar3d.hxx>
#include <Math/vector.hxx>
+#include <Objects/material.hxx>
+#include <Objects/obj.hxx>
#include <Weather/weather.h>
-#include "material.hxx"
-#include "obj.hxx"
#include "scenery.hxx"
#include "tilecache.hxx"
// $Log$
+// Revision 1.32 1998/08/25 16:52:44 curt
+// material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
+// ../Objects
+//
// Revision 1.31 1998/08/24 20:11:40 curt
// Tweaks ...
//
projects / flightgear.git / commitdiff