Tiled panel background support from Jim Wilson.

[flightgear.git] / src / Cockpit / panel.cxx

diff --git a/src/Cockpit/panel.cxx b/src/Cockpit/panel.cxx
index d20af07af99fd6913890a2ac943f7d2c50f1b642..69c2741eabf829e82426912c11d6401ce9a0ef59 100644 (file)
--- a/src/Cockpit/panel.cxx
+++ b/src/Cockpit/panel.cxx
@@ -26,6 +26,7 @@
 #  include <windows.h>
 #endif
 
+#include <stdio.h>     // sprintf
 #include <string.h>
 
 #include <plib/ssg.h>
@@ -253,7 +254,7 @@ FGPanel::unbind ()
  * Update the panel.
  */
 void
-FGPanel::update ()
+FGPanel::update (int dt)
 {
                                // Do nothing if the panel isn't visible.
     if ( !fgPanelVisible() ) {
@@ -331,16 +332,40 @@ FGPanel::update (GLfloat winx, GLfloat winw, GLfloat winy, GLfloat winh)
   } else {
       glColor4f(0.7, 0.2, 0.2, 1.0);
   }
-  glBindTexture(GL_TEXTURE_2D, _bg->getHandle());
-  // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-  // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-  glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-  glBegin(GL_POLYGON);
-  glTexCoord2f(0.0, 0.0); glVertex3f(WIN_X, WIN_Y, 0);
-  glTexCoord2f(1.0, 0.0); glVertex3f(WIN_X + _width, WIN_Y, 0);
-  glTexCoord2f(1.0, 1.0); glVertex3f(WIN_X + _width, WIN_Y + _height, 0);
-  glTexCoord2f(0.0, 1.0); glVertex3f(WIN_X, WIN_Y + _height, 0);
-  glEnd();
+  if (_bg != 0) {
+    glBindTexture(GL_TEXTURE_2D, _bg->getHandle());
+    // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+    glBegin(GL_POLYGON);
+    glTexCoord2f(0.0, 0.0); glVertex3f(WIN_X, WIN_Y, 0);
+    glTexCoord2f(1.0, 0.0); glVertex3f(WIN_X + _width, WIN_Y, 0);
+    glTexCoord2f(1.0, 1.0); glVertex3f(WIN_X + _width, WIN_Y + _height, 0);
+    glTexCoord2f(0.0, 1.0); glVertex3f(WIN_X, WIN_Y + _height, 0);
+    glEnd();
+  } else {
+    for (int i = 0; i < 4; i ++) {
+      // top row of textures...(1,3,5,7)
+      glBindTexture(GL_TEXTURE_2D, _mbg[i*2]->getHandle());
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0.0, 0.0); glVertex3f(WIN_X + (_width/4) * i, WIN_Y + (_height/2), 0);
+      glTexCoord2f(1.0, 0.0); glVertex3f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2), 0);
+      glTexCoord2f(1.0, 1.0); glVertex3f(WIN_X + (_width/4) * (i+1), WIN_Y + _height, 0);
+      glTexCoord2f(0.0, 1.0); glVertex3f(WIN_X + (_width/4) * i, WIN_Y + _height, 0);
+      glEnd();
+      // bottom row of textures...(2,4,6,8)
+      glBindTexture(GL_TEXTURE_2D, _mbg[(i*2)+1]->getHandle());
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0.0, 0.0); glVertex3f(WIN_X + (_width/4) * i, WIN_Y, 0);
+      glTexCoord2f(1.0, 0.0); glVertex3f(WIN_X + (_width/4) * (i+1), WIN_Y, 0);
+      glTexCoord2f(1.0, 1.0); glVertex3f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2), 0);
+      glTexCoord2f(0.0, 1.0); glVertex3f(WIN_X + (_width/4) * i, WIN_Y + (_height/2), 0);
+      glEnd();
+    }
+
+  }
 
                                // Draw the instruments.
   instrument_list_type::const_iterator current = _instruments.begin();
@@ -392,6 +417,15 @@ FGPanel::setBackground (ssgTexture * texture)
   _bg = texture;
 }
 
+/**
+ * Set the panel's multiple background textures.
+ */
+void
+FGPanel::setMultiBackground (ssgTexture * texture, int idx)
+{
+  _bg = 0;
+  _mbg[idx] = texture;
+}
 
 /**
  * Set the panel's x-offset.
@@ -985,3 +1019,5 @@ FGSwitchLayer::draw ()
 
 \f
 // end of panel.cxx
+
+