void
GUIPolygon::storeTesselation(SUMOReal lineWidth) const {
if (myDisplayList > 0) {
glDeleteLists(myDisplayList, 1);
}
myDisplayList = glGenLists(1);
if (myDisplayList == 0) {
throw ProcessError("GUIPolygon::storeTesselation() could not create display list");
}
glNewList(myDisplayList, GL_COMPILE);
performTesselation(lineWidth);
glEndList();
}
void
GUIPolygon::drawGL(const GUIVisualizationSettings& s) const {
Boundary boundary = myShape.getBoxBoundary();
if (s.scale * MAX2(boundary.getWidth(), boundary.getHeight()) < s.minPolySize) {
return;
}
if (getFill()) {
if (myShape.size() < 3) {
return;
}
} else {
if (myShape.size() < 2) {
return;
}
}
AbstractMutex::ScopedLocker locker(myLock);
//if (myDisplayList == 0 || (!getFill() && myLineWidth != s.polyExaggeration)) {
// storeTesselation(s.polyExaggeration);
//}
glPushName(getGlID());
glPushMatrix();
glTranslated(0, 0, getLayer());
// XXX shape should be rotated around its center when initializing the polygon. do we even need this?
//glRotated(getAngle(), 0, 0, 1);
GLHelper::setColor(getColor());
int textureID = -1;
if (getFill()) {
const std::string& file = getImgFile();
if (file != "") {
textureID = GUITexturesHelper::getTextureID(file);
}
}
// init generation of texture coordinates
if (textureID >= 0) {
glEnable(GL_TEXTURE_2D);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST); // without DEPTH_TEST vehicles may be drawn below roads
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
// http://www.gamedev.net/topic/133564-glutesselation-and-texture-mapping/
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, xPlane);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_T, GL_OBJECT_PLANE, yPlane);
}
// recall tesselation
//glCallList(myDisplayList);
performTesselation(s.polyExaggeration);
// de-init generation of texture coordinates
if (textureID >= 0) {
glEnable(GL_DEPTH_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
glPopMatrix();
drawName(myShape.getPolygonCenter(), s.scale, s.polyName);
glPopName();
}
void
GUIPolygon::drawGL(const GUIVisualizationSettings& s) const {
if (s.polySize.getExaggeration(s) == 0) {
return;
}
Boundary boundary = myShape.getBoxBoundary();
if (s.scale * MAX2(boundary.getWidth(), boundary.getHeight()) < s.polySize.minSize) {
return;
}
if (getFill()) {
if (myShape.size() < 3) {
return;
}
} else {
if (myShape.size() < 2) {
return;
}
}
AbstractMutex::ScopedLocker locker(myLock);
//if (myDisplayList == 0 || (!getFill() && myLineWidth != s.polySize.getExaggeration(s))) {
// storeTesselation(s.polySize.getExaggeration(s));
//}
glPushName(getGlID());
glPushMatrix();
glTranslated(0, 0, getLayer());
glRotated(-getNaviDegree(), 0, 0, 1);
GLHelper::setColor(getColor());
int textureID = -1;
if (getFill()) {
const std::string& file = getImgFile();
if (file != "") {
textureID = GUITexturesHelper::getTextureID(file, true);
}
}
// init generation of texture coordinates
if (textureID >= 0) {
glEnable(GL_TEXTURE_2D);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST); // without DEPTH_TEST vehicles may be drawn below roads
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
// http://www.gamedev.net/topic/133564-glutesselation-and-texture-mapping/
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, xPlane);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_T, GL_OBJECT_PLANE, yPlane);
}
// recall tesselation
//glCallList(myDisplayList);
performTesselation(myLineWidth * s.polySize.getExaggeration(s));
// de-init generation of texture coordinates
if (textureID >= 0) {
glEnable(GL_DEPTH_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
#ifdef GUIPolygon_DEBUG_DRAW_VERTICES
GLHelper::debugVertices(myShape, 80 / s.scale);
#endif
glPopMatrix();
const Position namePos = myShape.getPolygonCenter();
drawName(namePos, s.scale, s.polyName);
if (s.polyType.show) {
GLHelper::drawText(myType, namePos + Position(0, -0.6 * s.polyType.size / s.scale),
GLO_MAX, s.polyType.size / s.scale, s.polyType.color);
}
glPopName();
}
