]> git.mxchange.org Git - simgear.git/blobdiff - simgear/scene/tgdb/apt_signs.cxx
Merge branch 'frohlich/weak' into next
[simgear.git] / simgear / scene / tgdb / apt_signs.cxx
index 089369fb315b33b8b21ed0b7039135fad5939a2d..83529475731634bd116ba849b18ed231357b683e 100644 (file)
 #  include <simgear_config.h>
 #endif
 
+#include <vector>
+
+#include <osg/StateSet>
+#include <osg/Geode>
+#include <osg/Geometry>
+#include <osg/Group>
+
 #include <simgear/debug/logstream.hxx>
 #include <simgear/math/sg_types.hxx>
-#include <simgear/scene/tgdb/leaf.hxx>
+#include <simgear/scene/material/Effect.hxx>
+#include <simgear/scene/material/EffectGeode.hxx>
 #include <simgear/scene/material/mat.hxx>
 #include <simgear/scene/material/matlib.hxx>
 
 #include "apt_signs.hxx"
 
-#define TAXI "OBJECT_SIGN: "
+#define SIGN "OBJECT_SIGN: "
 #define RWY "OBJECT_RUNWAY_SIGN: "
 
+using std::vector;
+using namespace simgear;
 
 // for temporary storage of sign elements
 struct element_info {
-    element_info(SGMaterial *m, SGMaterialGlyph *g, double h, bool l)
-        : material(m), glyph(g), height(h), lighted(l)
+    element_info(SGMaterial *m, Effect *s, SGMaterialGlyph *g, double h)
+        : material(m), state(s), glyph(g), height(h)
     {
         scale = h * m->get_xsize()
                 / (m->get_ysize() < 0.001 ? 1.0 : m->get_ysize());
     }
     SGMaterial *material;
+    Effect *state;
     SGMaterialGlyph *glyph;
     double height;
     double scale;
-    bool lighted;
 };
 
 
@@ -61,63 +71,55 @@ struct pair {
     const char *keyword;
     const char *glyph_name;
 } cmds[] = {
-    {"@u",       "up"},
-    {"@d",       "down"},
-    {"@l",       "left"},
-    {"@lu",      "left-up"},
-    {"@ul",      "left-up"},
-    {"@ld",      "left-down"},
-    {"@dl",      "left-down"},
-    {"@r",       "right"},
-    {"@ru",      "right-up"},
-    {"@ur",      "right-up"},
-    {"@rd",      "right-down"},
-    {"@dr",      "right-down"},
+    {"@u",       "^u"},
+    {"@d",       "^d"},
+    {"@l",       "^l"},
+    {"@lu",      "^lu"},
+    {"@ul",      "^lu"},
+    {"@ld",      "^ld"},
+    {"@dl",      "^ld"},
+    {"@r",       "^r"},
+    {"@ru",      "^ru"},
+    {"@ur",      "^ru"},
+    {"@rd",      "^rd"},
+    {"@dr",      "^rd"},
     {0, 0},
 };
 
 
-// Y ... black on yellow            -> direction, destination, boundary
-// R ... white on red               -> mandatory instruction
-// L ... yellow on black with frame -> runway/taxiway location
-// B ... white on black             -> runway distance remaining
-//
-// u/d/l/r     ... up/down/left/right arrow or two-letter combinations
-//                 thereof (ur, dl, ...)
+// see $FG_ROOT/Docs/README.scenery
 //
-// Example: {l}E|{L}[T]|{Y,ur}L|E{r}
-//
-ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string content)
+osg::Node*
+SGMakeSign(SGMaterialLib *matlib, const string& path, const string& content)
 {
     double sign_height = 1.0;  // meter
     bool lighted = true;
+    string newmat = "BlackSign";
 
     vector<element_info *> elements;
     element_info *close = 0;
     double total_width = 0.0;
     bool cmd = false;
-    char *newmat = "BlackSign";
     int size = -1;
     char oldtype = 0, newtype = 0;
 
-    ssgBranch *object = new ssgBranch();
-    object->setName((char *)content.c_str());
-    SGMaterial *material = matlib->find(newmat);
+    osg::Group* object = new osg::Group;
+    object->setName(content);
 
     // Part I: parse & measure
     for (const char *s = content.data(); *s; s++) {
         string name;
-        const char *newmat = 0;
+        string value;
 
         if (*s == '{') {
             if (cmd)
-                SG_LOG(SG_TERRAIN, SG_ALERT, TAXI "unexpected { in sign contents");
+                SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unexpected { in sign contents");
             cmd = true;
             continue;
 
         } else if (*s == '}') {
             if (!cmd)
-                SG_LOG(SG_TERRAIN, SG_ALERT, TAXI "unexpected } in sign contents");
+                SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unexpected } in sign contents");
             cmd = false;
             continue;
 
@@ -128,14 +130,13 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
             if (*s == ',')
                 continue;
 
-            string value;
             for (; *s; s++) {
                 name += *s;
                 if (s[1] == ',' || s[1] == '}' || s[1] == '=')
                     break;
             }
             if (!*s) {
-                SG_LOG(SG_TERRAIN, SG_ALERT, TAXI "unclosed { in sign contents");
+                SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents");
             } else if (s[1] == '=') {
                 for (s += 2; *s; s++) {
                     value += *s;
@@ -143,7 +144,7 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
                         break;
                 }
                 if (!*s)
-                    SG_LOG(SG_TERRAIN, SG_ALERT, TAXI "unclosed { in sign contents");
+                    SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents");
             }
 
             if (name == "@size") {
@@ -156,46 +157,51 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
                 continue;
             }
 
-            if (name == "@material")
+            if (name == "@material") {
                 newmat = value.data();
-            else if (name.size() == 2 || name.size() == 3) {
-                if (name.size() == 3 && name[2] >= '1' && name[2] <= '5') {
-                    size = name[2] - '1';
-                    name = name.substr(0, 2);
+                continue;
+
+            } else if (name.size() == 2 || name.size() == 3) {
+                string n = name;
+                if (n.size() == 3 && n[2] >= '1' && n[2] <= '5') {
+                    size = n[2] - '1';
+                    n = n.substr(0, 2);
                 }
 
-                if (name == "@Y") {
+                if (n == "@Y") {
                     if (size < 3) {
                         sign_height = HT[size < 0 ? 2 : size];
                         newmat = "YellowSign";
                         newtype = 'Y';
+                        continue;
                     }
-                } else if (name == "@R") {
+
+                } else if (n == "@R") {
                     if (size < 3) {
                         sign_height = HT[size < 0 ? 2 : size];
                         newmat = "RedSign";
                         newtype = 'R';
+                        continue;
                     }
-                } else if (name == "@L") {
+
+                } else if (n == "@L") {
                     if (size < 3) {
                         sign_height = HT[size < 0 ? 2 : size];
                         newmat = "FramedSign";
                         newtype = 'L';
+                        continue;
                     }
-                } else if (name == "@B") {
+
+                } else if (n == "@B") {
                     if (size < 0 || size == 3 || size == 4) {
                         sign_height = HT[size < 0 ? 3 : size];
                         newmat = "BlackSign";
                         newtype = 'B';
+                        continue;
                     }
                 }
             }
 
-            if (newmat) {
-                material = matlib->find(newmat);
-                continue;
-            }
-
             for (int i = 0; cmds[i].keyword; i++) {
                 if (name == cmds[i].keyword) {
                     name = cmds[i].glyph_name;
@@ -204,23 +210,44 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
             }
 
             if (name[0] == '@') {
-                SG_LOG(SG_TERRAIN, SG_ALERT, TAXI "ignoring unknown command `" << name << '\'');
+                SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown command `" << name << '\'');
                 continue;
             }
         }
 
+
+        if (newmat.size() == 0 )
+          continue;
+
+        SGMaterial *material = matlib->find(newmat);
         if (!material) {
-            SG_LOG( SG_TERRAIN, SG_ALERT, TAXI "material doesn't exit");
+            SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown material `" << newmat << '\'');
             continue;
         }
 
+
+        // set material states (lighted & unlighted)
+        Effect *lighted_state = material->get_effect();
+        Effect *unlighted_state;
+        string u = newmat + ".unlighted";
+
+        SGMaterial *m = matlib->find(u);
+        if (m) {
+            unlighted_state = m->get_effect();
+        } else {
+            SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown material `" << u << '\'');
+            unlighted_state = lighted_state;
+        }
+        newmat = "";
+
         SGMaterialGlyph *glyph = material->get_glyph(name);
         if (!glyph) {
-            SG_LOG( SG_TERRAIN, SG_ALERT, TAXI "unsupported glyph `" << *s << '\'');
+            SG_LOG( SG_TERRAIN, SG_ALERT, SIGN "unsupported glyph `" << *s << '\'');
             continue;
         }
 
         // in managed mode push frame stop and frame start first
+        Effect *state = lighted ? lighted_state : unlighted_state;
         element_info *e;
         if (newtype && newtype != oldtype) {
             if (close) {
@@ -231,16 +258,16 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
             oldtype = newtype;
             SGMaterialGlyph *g = material->get_glyph("stop-frame");
             if (g)
-                close = new element_info(material, g, sign_height, lighted);
+                close = new element_info(material, state, g, sign_height);
             g = material->get_glyph("start-frame");
             if (g) {
-                e = new element_info(material, g, sign_height, lighted);
+                e = new element_info(material, state, g, sign_height);
                 elements.push_back(e);
                 total_width += e->glyph->get_width() * e->scale;
             }
         }
         // now the actually requested glyph
-        e = new element_info(material, glyph, sign_height, lighted);
+        e = new element_info(material, state, glyph, sign_height);
         elements.push_back(e);
         total_width += e->glyph->get_width() * e->scale;
     }
@@ -257,12 +284,6 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
     double hpos = -total_width / 2;
     const double dist = 0.25;        // hard-code distance from surface for now
 
-    sgVec3 normal;
-    sgSetVec3(normal, 0, -1, 0);
-
-    sgVec4 color;
-    sgSetVec4(color, 1.0, 1.0, 1.0, 1.0);
-
     for (unsigned int i = 0; i < elements.size(); i++) {
         element_info *element = elements[i];
 
@@ -272,118 +293,89 @@ ssgBranch *sgMakeSign(SGMaterialLib *matlib, const string path, const string con
         double abswidth = width * element->scale;
 
         // vertices
-        ssgVertexArray *vl = new ssgVertexArray(4);
-        vl->add(0, hpos,            dist);
-        vl->add(0, hpos + abswidth, dist);
-        vl->add(0, hpos,            dist + height);
-        vl->add(0, hpos + abswidth, dist + height);
+        osg::Vec3Array* vl = new osg::Vec3Array;
+        vl->push_back(osg::Vec3(0, hpos,            dist));
+        vl->push_back(osg::Vec3(0, hpos + abswidth, dist));
+        vl->push_back(osg::Vec3(0, hpos,            dist + height));
+        vl->push_back(osg::Vec3(0, hpos + abswidth, dist + height));
 
         // texture coordinates
-        ssgTexCoordArray *tl = new ssgTexCoordArray(4);
-        tl->add(xoffset,         0);
-        tl->add(xoffset + width, 0);
-        tl->add(xoffset,         1);
-        tl->add(xoffset + width, 1);
+        osg::Vec2Array* tl = new osg::Vec2Array;
+        tl->push_back(osg::Vec2(xoffset,         0));
+        tl->push_back(osg::Vec2(xoffset + width, 0));
+        tl->push_back(osg::Vec2(xoffset,         1));
+        tl->push_back(osg::Vec2(xoffset + width, 1));
 
         // normals
-        ssgNormalArray *nl = new ssgNormalArray(1);
-        nl->add(normal);
+        osg::Vec3Array* nl = new osg::Vec3Array;
+        nl->push_back(osg::Vec3(0, -1, 0));
 
         // colors
-        ssgColourArray *cl = new ssgColourArray(1);
-        cl->add(color);
-
-        ssgLeaf *leaf = new ssgVtxTable(GL_TRIANGLE_STRIP, vl, nl, tl, cl);
-        ssgSimpleState *state = element->material->get_state();
-        if (!element->lighted) {
-            // FIXME: clone state for unlighted elements only once per material
-            state = (ssgSimpleState *)state->clone(SSG_CLONE_STATE);
-            state->setMaterial(GL_EMISSION, 0.3, 0.3, 0.3, 1);
-        }
-        leaf->setState(state);
-
-        object->addKid(leaf);
+        osg::Vec4Array* cl = new osg::Vec4Array;
+        cl->push_back(osg::Vec4(1, 1, 1, 1));
+
+        osg::Geometry* geometry = new osg::Geometry;
+        geometry->setVertexArray(vl);
+        geometry->setNormalArray(nl);
+        geometry->setNormalBinding(osg::Geometry::BIND_OVERALL);
+        geometry->setColorArray(cl);
+        geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
+        geometry->setTexCoordArray(0, tl);
+        geometry->addPrimitiveSet(new osg::DrawArrays(GL_TRIANGLE_STRIP, 0, vl->size()));
+        EffectGeode* geode = new EffectGeode;
+        geode->addDrawable(geometry);
+        geode->setEffect(element->state);
+
+        object->addChild(geode);
         hpos += abswidth;
         delete element;
     }
 
 
     // minimalistic backside
-    ssgVertexArray *vl = new ssgVertexArray(4);
-    vl->add(0, hpos,               dist);
-    vl->add(0, hpos - total_width, dist);
-    vl->add(0, hpos,               dist + sign_height);
-    vl->add(0, hpos - total_width, dist + sign_height);
-
-    ssgNormalArray *nl = new ssgNormalArray(1);
-    nl->add(0, 1, 0);
-
-    ssgLeaf *leaf = new ssgVtxTable(GL_TRIANGLE_STRIP, vl, nl, 0, 0);
+    osg::Vec3Array* vl = new osg::Vec3Array;
+    vl->push_back(osg::Vec3(0, hpos,               dist));
+    vl->push_back(osg::Vec3(0, hpos - total_width, dist));
+    vl->push_back(osg::Vec3(0, hpos,               dist + sign_height));
+    vl->push_back(osg::Vec3(0, hpos - total_width, dist + sign_height));
+
+    osg::Vec3Array* nl = new osg::Vec3Array;
+    nl->push_back(osg::Vec3(0, 1, 0));
+
+    osg::Geometry* geometry = new osg::Geometry;
+    geometry->setVertexArray(vl);
+    geometry->setNormalArray(nl);
+    geometry->setNormalBinding(osg::Geometry::BIND_OVERALL);
+    geometry->addPrimitiveSet(new osg::DrawArrays(GL_TRIANGLE_STRIP, 0, vl->size()));
+    EffectGeode* geode = new EffectGeode;
+    geode->addDrawable(geometry);
     SGMaterial *mat = matlib->find("BlackSign");
     if (mat)
-        leaf->setState(mat->get_state());
-    object->addKid(leaf);
+      geode->setEffect(mat->get_effect());
+    object->addChild(geode);
 
     return object;
 }
 
-
-
-
-
-ssgBranch *sgMakeRunwaySign( SGMaterialLib *matlib,
-                             const string path, const string name )
+osg::Node*
+SGMakeRunwaySign(SGMaterialLib *matlib, const string& path, const string& name)
 {
     // for demo purposes we assume each element (letter) is 1x1 meter.
     // Sign is placed 0.25 meters above the ground
 
-    ssgBranch *object = new ssgBranch();
-    object->setName( (char *)name.c_str() );
-
-    double width = name.length() / 3.0;
-
-    string material = name;
-
-    point_list nodes;
-    point_list normals;
-    point_list texcoords;
-    int_list vertex_index;
-    int_list normal_index;
-    int_list tex_index;
-
-    nodes.push_back( Point3D( -width, 0, 0.25 ) );
-    nodes.push_back( Point3D( width + 1, 0, 0.25 ) );
-    nodes.push_back( Point3D( -width, 0, 1.25 ) );
-    nodes.push_back( Point3D( width + 1, 0, 1.25 ) );
-
-    normals.push_back( Point3D( 0, -1, 0 ) );
-
-    texcoords.push_back( Point3D( 0, 0, 0 ) );
-    texcoords.push_back( Point3D( 1, 0, 0 ) );
-    texcoords.push_back( Point3D( 0, 1, 0 ) );
-    texcoords.push_back( Point3D( 1, 1, 0 ) );
-
-    vertex_index.push_back( 0 );
-    vertex_index.push_back( 1 );
-    vertex_index.push_back( 2 );
-    vertex_index.push_back( 3 );
-
-    normal_index.push_back( 0 );
-    normal_index.push_back( 0 );
-    normal_index.push_back( 0 );
-    normal_index.push_back( 0 );
-
-    tex_index.push_back( 0 );
-    tex_index.push_back( 1 );
-    tex_index.push_back( 2 );
-    tex_index.push_back( 3 );
-
-    ssgLeaf *leaf = sgMakeLeaf( path, GL_TRIANGLE_STRIP, matlib, material,
-                                nodes, normals, texcoords,
-                                vertex_index, normal_index, tex_index,
-                                false, NULL );
-
-    object->addKid( leaf );
+    float width = name.length() / 3.0;
+
+    osg::Vec3 corner(-width, 0, 0.25f);
+    osg::Vec3 widthVec(2*width + 1, 0, 0);
+    osg::Vec3 heightVec(0, 0, 1);
+    osg::Geometry* geometry;
+    geometry = osg::createTexturedQuadGeometry(corner, widthVec, heightVec);
+    EffectGeode* geode = new EffectGeode;
+    geode->setName(name);
+    geode->addDrawable(geometry);
+    SGMaterial *mat = matlib->find(name);
+    if (mat)
+      geode->setEffect(mat->get_effect());
 
-    return object;
+    return geode;
 }