ftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver-4.22.tar.gz

[xscreensaver] / hacks / glx / cage.c

diff --git a/hacks/glx/cage.c b/hacks/glx/cage.c
index 7b14c72c1fea24b940ceb50c0b5387248511cbdd..564a8139be5d8dc4f1a0b00df97bb6b0468f086d 100644 (file)
--- a/hacks/glx/cage.c
+++ b/hacks/glx/cage.c
@@ -156,9 +156,9 @@ static cagestruct *cage = (cagestruct *) NULL;
 #define PlankThickness  0.15
 
 static Bool 
-draw_woodplank(cagestruct * cp)
+draw_woodplank(cagestruct * cp, int wire)
 {
-       glBegin(GL_QUADS);
+       glBegin(wire ? GL_LINES : GL_QUADS);
        glNormal3f(0, 0, 1);
        glTexCoord2f(0, 0);
        glVertex3f(-PlankWidth, -PlankHeight, PlankThickness);
@@ -219,74 +219,74 @@ draw_woodplank(cagestruct * cp)
 }
 
 static Bool
-draw_impossiblecage(cagestruct * cp)
+draw_impossiblecage(cagestruct * cp, int wire)
 {
        glPushMatrix();
        glRotatef(90, 0, 1, 0);
        glTranslatef(0.0, PlankHeight - PlankWidth, -PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 0, 1);
        glTranslatef(0.0, PlankHeight - PlankWidth, PlankWidth - PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 1, 0);
        glTranslatef(0.0, PlankWidth - PlankHeight, -PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glTranslatef(0.0, PlankWidth - PlankHeight, 3 * PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 0, 1);
        glTranslatef(0.0, PlankWidth - PlankHeight, PlankWidth - PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glTranslatef(0.0, PlankWidth - PlankHeight, PlankWidth - 3 * PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glTranslatef(0.0, PlankHeight - PlankWidth, 3 * PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 0, 1);
        glTranslatef(0.0, PlankHeight - PlankWidth, PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glTranslatef(0.0, PlankHeight - PlankWidth, PlankWidth - 3 * PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 1, 0);
        glTranslatef(0.0, PlankHeight - PlankWidth, PlankWidth + PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 0, 1);
        glTranslatef(0.0, PlankWidth - PlankHeight, PlankThickness - PlankWidth);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        glPushMatrix();
        glRotatef(90, 0, 1, 0);
        glTranslatef(0.0, PlankWidth - PlankHeight, PlankWidth + PlankThickness);
-       if (!draw_woodplank(cp))
+       if (!draw_woodplank(cp, wire))
                return False;
        glPopMatrix();
        return True;
@@ -312,9 +312,13 @@ static void
 pinit(ModeInfo *mi)
 {
        int status;
+
        glClearDepth(1.0);
        glClearColor(0.0, 0.0, 0.0, 1.0);
 
+    if (MI_IS_WIREFRAME(mi))
+      return;
+
        glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
        glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
        glLightfv(GL_LIGHT0, GL_POSITION, position0);
@@ -440,7 +444,7 @@ draw_cage(ModeInfo * mi)
        glRotatef(cp->step * 100, 0, 0, 1);
        glRotatef(25 + cos(cp->step * 5) * 6, 1, 0, 0);
        glRotatef(204.5 - sin(cp->step * 5) * 8, 0, 1, 0);
-       if (!draw_impossiblecage(cp)) {
+       if (!draw_impossiblecage(cp, MI_IS_WIREFRAME(mi))) {
                release_cage(mi);
                return;
        }