X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsky%2Fcloud.cxx;h=78bde43cad524ff33a5940be86013e514a9a0fc8;hb=f1ab6e2533a1bf07439b3d5918430f496158d8f3;hp=e6d02c5c7c6ee72989c36a986eca7b0a3c85dc4f;hpb=0468b315d4188f610d86ae3e4ec4e3ff3dd924bd;p=simgear.git

diff --git a/simgear/sky/cloud.cxx b/simgear/sky/cloud.cxx
index e6d02c5c..78bde43c 100644
--- a/simgear/sky/cloud.cxx
+++ b/simgear/sky/cloud.cxx
@@ -20,15 +20,17 @@
 #  include <config.h>
 #endif
 
+#include <simgear/compiler.h>
+
 #include <stdio.h>
-#include <iostream>
+#include STL_IOSTREAM
 
+#include <plib/sg.h>
 #include <plib/ssg.h>
 
-#include <simgear/constants.h>
-#include <simgear/math/fg_random.h>
 #include <simgear/math/point3d.hxx>
 #include <simgear/math/polar3d.hxx>
+#include <simgear/math/sg_random.h>
 
 #include "cloud.hxx"
 
@@ -44,8 +46,8 @@ SGCloudLayer::~SGCloudLayer( void ) {
 
 
 // build the moon object
-void SGCloudLayer::build( FGPath path, double s, double asl, double thickness,
-			  double transition )
+void SGCloudLayer::build( double s, double asl, double thickness,
+			  double transition, ssgSimpleState *state )
 {
     scale = 4000.0;
 
@@ -56,21 +58,7 @@ void SGCloudLayer::build( FGPath path, double s, double asl, double thickness,
     size = s;
     last_lon = last_lat = -999.0f;
 
-    // set up the cloud state
-    path.append( "cloud.rgba" );
-    layer_state = new ssgSimpleState();
-    layer_state->setTexture( (char *)path.c_str() );
-    layer_state->setShadeModel( GL_SMOOTH );
-    layer_state->disable( GL_LIGHTING );
-    layer_state->disable( GL_CULL_FACE );
-    layer_state->enable( GL_TEXTURE_2D );
-    layer_state->enable( GL_COLOR_MATERIAL );
-    layer_state->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
-    layer_state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
-    layer_state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
-    layer_state->enable( GL_BLEND );
-    layer_state->enable( GL_ALPHA_TEST );
-    layer_state->setAlphaClamp( 0.01 );
+    layer_state = state;
 
     cl = new ssgColourArray( 4 );
     vl = new ssgVertexArray( 4 );
@@ -84,7 +72,7 @@ void SGCloudLayer::build( FGPath path, double s, double asl, double thickness,
 
     sgSetVec3( vertex, -size, -size, 0.0f );
     sgVec2 base;
-    sgSetVec2( base, fg_random(), fg_random() );
+    sgSetVec2( base, sg_random(), sg_random() );
     sgSetVec2( tc, base[0], base[1] );
     cl->add( color );
     vl->add( vertex );
@@ -175,15 +163,17 @@ bool SGCloudLayer::reposition( sgVec3 p, sgVec3 up, double lon, double lat,
     //        zero_elev.x, zero_elev.y, zero_elev.z );
 
     // Rotate to proper orientation
-    // printf("  lon = %.2f  lat = %.2f\n", FG_Longitude * RAD_TO_DEG,
-    //        FG_Latitude * RAD_TO_DEG);
-    // xglRotatef( f->get_Longitude() * RAD_TO_DEG, 0.0, 0.0, 1.0 );
+    // printf("  lon = %.2f  lat = %.2f\n", 
+    //        lon * SGD_RADIANS_TO_DEGREES,
+    //        lat * SGD_RADIANS_TO_DEGREES);
+    // xglRotatef( lon * SGD_RADIANS_TO_DEGREES, 0.0, 0.0, 1.0 );
     sgSetVec3( axis, 0.0, 0.0, 1.0 );
-    sgMakeRotMat4( LON, lon * RAD_TO_DEG, axis );
+    sgMakeRotMat4( LON, lon * SGD_RADIANS_TO_DEGREES, axis );
 
-    // xglRotatef( 90.0 - f->get_Latitude() * RAD_TO_DEG, 0.0, 1.0, 0.0 );
+    // xglRotatef( 90.0 - f->get_Latitude() * SGD_RADIANS_TO_DEGREES,
+    //             0.0, 1.0, 0.0 );
     sgSetVec3( axis, 0.0, 1.0, 0.0 );
-    sgMakeRotMat4( LAT, 90.0 - lat * RAD_TO_DEG, axis );
+    sgMakeRotMat4( LAT, 90.0 - lat * SGD_RADIANS_TO_DEGREES, axis );
 
     sgMat4 TRANSFORM;
 
@@ -247,3 +237,24 @@ bool SGCloudLayer::reposition( sgVec3 p, sgVec3 up, double lon, double lat,
 void SGCloudLayer::draw() {
     ssgCullAndDraw( layer_root );
 }
+
+
+// make an ssgSimpleState for a cloud layer given the named texture
+ssgSimpleState *SGCloudMakeState( const string &path ) {
+    ssgSimpleState *state = new ssgSimpleState();
+
+    state->setTexture( (char *)path.c_str() );
+    state->setShadeModel( GL_SMOOTH );
+    state->disable( GL_LIGHTING );
+    state->disable( GL_CULL_FACE );
+    state->enable( GL_TEXTURE_2D );
+    state->enable( GL_COLOR_MATERIAL );
+    state->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
+    state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
+    state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
+    state->enable( GL_BLEND );
+    state->enable( GL_ALPHA_TEST );
+    state->setAlphaClamp( 0.01 );
+
+    return state;
+}