implement star background

engine/Material.h

@@ -0,0 +1,23 @@
+#ifndef BLUECORE_MATERIAL_H
+#define BLUECORE_MATERIAL_H
+
+#include "ShaderManager.h"
+#include "TextureManager.h"
+
+namespace BlueCore
+{
+
+class Material
+{
+	typedef ref_ptr<Texture> TexturePtr;
+	typedef std::pair<std::string, TexturePtr> TextureUnit;
+	
+	std::vector<TextureUnit> _Textures;
+	ShaderProgram _ShaderProgram;
+	bool Tangents;
+	float Shininess;
+	float Specular[4];
+};
+
+}
+#endif /*MATERIAL_H_*/

engine/RenderDevice.cpp

@@ -17,7 +17,7 @@ void RenderDevice::WindowResizeSlot(int width, int height)
 }
 
 RenderDevice::RenderDevice(RenderWindow* renderWindow) :
-	_RenderWindow(renderWindow)
+	_RenderWindow(renderWindow), _ActiveTextures(0)
 {
 	if (_RenderWindow.valid())
 	{
@@ -32,7 +32,7 @@ RenderDevice::RenderDevice(RenderWindow* renderWindow) :
 		glViewport( 0, 0, _ViewportWidth, _ViewportHeight);
 	}
 
-	clog << ">>> RenderDevice constructed..."<< endlog;
+	clog << ">>> RenderDevice constructed..." << endlog;
 }
 
 RenderDevice::~RenderDevice()
@@ -114,6 +114,10 @@ void RenderDevice::begin3D(Camera *camera)
 	setupViewMatrix();
 }
 
+void RenderDevice::end3D()
+{
+}
+
 void RenderDevice::setupProjectionMatrix()
 {
 	if (_Camera.valid())
@@ -132,55 +136,47 @@ void RenderDevice::setupProjectionMatrix()
 
 void RenderDevice::setupViewMatrix()
 {
-	// set the view matrix
-	glMatrixMode(GL_MODELVIEW);
+	if (_Camera.valid())
+		glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 	Matrix4x4 m(_Camera->getRotation(), _Camera->getRotation().applyInversed(_Camera->getPosition() * -1.0) );
 	glMultMatrixd( ( GLdouble * ) &m.m );
-	/*
-	 // calculate frustum planes
-	 Vector3 up = q.apply ( Vector3 ( 0.0, 1.0, 0.0 ) );
-	 Vector3 right = q.apply ( Vector3 ( 1.0, 0.0, 0.0 ) );
-	 Vector3 d = q.apply ( Vector3 ( 0.0, 0.0, -1.0 ) );
-
-	 Vector3 fc = p + d * _far;
-
-	 Vector3 ftl = fc + ( up * _hFar ) - ( right * _wFar );
-	 Vector3 ftr = fc + ( up * _hFar ) + ( right * _wFar );
-	 Vector3 fbl = fc - ( up * _hFar ) - ( right * _wFar );
-	 Vector3 fbr = fc - ( up * _hFar ) + ( right * _wFar );
-
-	 Vector3 nc = p + d * _near;
-
-	 Vector3 ntl = nc + ( up * _hNear ) - ( right * _wNear );
-	 Vector3 ntr = nc + ( up * _hNear ) + ( right * _wNear );
-	 Vector3 nbl = nc - ( up * _hNear ) - ( right * _wNear );
-	 Vector3 nbr = nc - ( up * _hNear ) + ( right * _wNear );
-
-	 _frustumPlanes[RightPlane] = Plane ( nbr, fbr, ntr );
-	 _frustumPlanes[LeftPlane] = Plane ( ntl, fbl, nbl );
-	 _frustumPlanes[BottomPlane] = Plane ( nbl, fbr, nbr );
-	 _frustumPlanes[TopPlane] = Plane ( ntr, ftl, ntl );
-	 _frustumPlanes[FarPlane] = Plane ( ftl, ftr, fbl );
-	 _frustumPlanes[NearPlane] = Plane ( ntl, nbl, ntr );
-	 */
 }
 
-void RenderDevice::setTransformation (const Vector3& position, const Quaternion& orientation)
+void RenderDevice::pushTransformation(const Vector3& position,
+		const Quaternion& orientation)
 {
-	glMatrixMode ( GL_MODELVIEW );
+	glMatrixMode( GL_MODELVIEW);
 	glPushMatrix();
-	Matrix4x4 m ( orientation, position );
-	glMultMatrixd ( ( GLdouble * ) &m.m );
+	Matrix4x4 m(orientation, position);
+	glMultMatrixd( ( GLdouble * ) &m.m );
+}
+
+void RenderDevice::popTransformation()
+{
+	glMatrixMode( GL_MODELVIEW);
+	glPopMatrix();
+}
+
+void RenderDevice::setTexture(unsigned int unit, Texture* texture, bool last)
+{
+	glActiveTextureARB(GL_TEXTURE0_ARB + unit);
+	glBindTexture(GL_TEXTURE_2D, texture->getId());
+	glEnable(GL_TEXTURE_2D);
+
+	if (unit > _ActiveTextures)
+		_ActiveTextures = unit;
+
+	if (last)
+	{
+		for (unsigned int i = unit + 1; i < _ActiveTextures; i++)
+		{
+			glActiveTextureARB(GL_TEXTURE0_ARB + i);
+			glDisable( GL_TEXTURE_2D);
+		}
+
+		_ActiveTextures = unit;
+	}
 }
 
-#if 0
-void RenderDevice::setu
-// set the view matrix
-glMatrixMode (GL_MODELVIEW );
-glLoadIdentity();
-Matrix4x4 m(_Rotation, _Rotation.applyInversed(_Position * -1.0) );
-glMultMatrixd ( ( GLdouble * ) &m.m );
 } // namespace BlueCore
-#endif
-}

engine/RenderDevice.h

@@ -22,6 +22,8 @@ private:
 	ref_ptr<RenderWindow> _RenderWindow;
 	ref_ptr<Camera> _Camera;
 	
+	unsigned int _ActiveTextures;
+	
 public:
 
 	RenderDevice(RenderWindow* renderWindow);
@@ -33,15 +35,18 @@ public:
 	void begin2D();
 	void end2D();
 
+	void begin3D(Camera *);
+	void end3D();
+
 	void clear();
 	void swap();
 
 	void setAmbientLight(float r, float g, float b);
 	void setMaterial(Material *);
 
-	void setTexture(unsigned int unit, unsigned int texture);
-	void begin3D(Camera *);
-	void setTransformation (const Vector3&, const Quaternion&);
+	void setTexture(unsigned int unit, Texture* texture, bool last = false);
+	void pushTransformation (const Vector3&, const Quaternion&);
+	void popTransformation ();
 	void setupProjectionMatrix();
 	void setupViewMatrix();
 

engine/RenderQueue.cpp

@@ -37,14 +37,16 @@ void RenderQueue::render(RenderDevice *device) const
 
 	for (i = _OpaqueItems.begin(); i != _OpaqueItems.end(); i++)
 	{
-		device->setTransformation((*i).position, (*i).orientation);
+		device->pushTransformation((*i).position, (*i).orientation);
 		(*i).item->render(device);
+		device->popTransformation();
 	}
 
 	for (i = _TransparentItems.begin(); i != _TransparentItems.end(); i++)
 	{
-		device->setTransformation((*i).position, (*i).orientation);
+		device->pushTransformation((*i).position, (*i).orientation);
 		(*i).item->render(device);
+		device->popTransformation();
 	}
 }
 

engine/data/main.nut

@@ -74,7 +74,7 @@ body <- null;
 
 function Initialize()
 {
-	::font = Font ("DejaVuSans.ttf", 24, 1 );
+	::font = Font();//Font ("DejaVuSans.ttf", 24, 1 );
 	::logo = Image ("image.png", 0.0, 0.0, 1.0, 1.0);
 	::body = RigidBody();
 

engine/main.cpp

@@ -89,10 +89,6 @@ int main(int argc, char **argv)
 	ref_ptr<Camera> camera = new Camera();
 	ref_ptr<RenderQueue> queue = new RenderQueue();
 
-	/*
-	 ShaderProgram prog =
-	 shadermanager->loadShaderProgram("ambient_color_emissive");
-	 */
 	setupScriptSystem_Font(scriptsystem, fontmanager);
 	setupScriptSystem_Image(scriptsystem, texturemanager, device);
 	setupScriptSystem_Math(scriptsystem);
@@ -107,6 +103,12 @@ int main(int argc, char **argv)
 	glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
 	glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
 
+	ref_ptr<Mesh> starMesh = meshmanager->loadMesh("stars.3ds");
+	ref_ptr<Texture> starTexture = texturemanager->loadTexture("stars.png", 0); 
+
+	ref_ptr<Mesh> nebularMesh = meshmanager->loadMesh("nebular.3ds");
+	ref_ptr<Texture> nebularTexture = texturemanager->loadTexture("nebular.png"); 
+
 	if (window.valid() && device.valid())
 	{
 		scriptsystem->loadScript("main");
@@ -114,7 +116,7 @@ int main(int argc, char **argv)
 		camera->setFoV(90.0);
 		camera->setAspectRatio((double)width/(double)height);
 		camera->setNearPlane(1.0);
-		camera->setFarPlane(100.0);
+		camera->setFarPlane(15000.0);
 		camera->setPosition(Vector3(0.0, 0.0, 20.0));
 
 		device->setAmbientLight(1.0, 1.0, 1.0);
@@ -142,6 +144,22 @@ int main(int argc, char **argv)
 			queue->addOpaqueItem(model, Vector3(10.0, 0.0, 0.0), Quaternion(Vector3(0.0,1.0,0.0), fmod(time, 3)));
 			queue->render(device);
 
+			
+			glMatrixMode ( GL_MODELVIEW );
+			glPushMatrix();
+			glLoadIdentity();
+			glEnable ( GL_BLEND );
+			glBlendFunc ( GL_ONE, GL_ONE );
+			glEnable ( GL_DEPTH_TEST );
+			glDepthMask ( GL_FALSE );
+			glDisable ( GL_LIGHTING );
+			glColor4d ( 1.0f, 1.0f, 1.0f, 1.0f );
+
+			device->setTexture(0, starTexture, true);
+			starMesh->render();
+			glDisable ( GL_BLEND ); 
+			
+			
 			// device->useShader (program);
 			// device->setTexture (stage, name, texture)
 			// device->clearTextures (stage+1);