X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=tools%2Fviewer.cpp;fp=tools%2Fviewer.cpp;h=2582b887ffcd51256fcfc0b0bd40be9d6e0a6bef;hp=1d533b5deae8fee3d44615066367c10012937fb2;hb=2bcdae2a8c8067a7c4a413fabe60283fadf6713b;hpb=70663ae97d5b70a6b468e07dd7e73475a175dc9b

diff --git a/tools/viewer.cpp b/tools/viewer.cpp
index 1d533b5d..2582b887 100644
--- a/tools/viewer.cpp
+++ b/tools/viewer.cpp
@@ -1,6 +1,9 @@
 #include <cmath>
 #include <msp/core/application.h>
 #include <msp/core/getopt.h>
+#include <msp/datafile/directorysource.h>
+#include <msp/datafile/packsource.h>
+#include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
 #include <msp/graphics/simplewindow.h>
 #include <msp/gl/animatedobject.h>
@@ -13,6 +16,8 @@
 #include <msp/gl/lighting.h>
 #include <msp/gl/mesh.h>
 #include <msp/gl/object.h>
+#include <msp/gl/resources.h>
+#include <msp/gl/technique.h>
 #include <msp/gl/tests.h>
 #include <msp/input/mouse.h>
 #include <msp/io/print.h>
@@ -25,11 +30,23 @@ using namespace Msp;
 class Viewer: public RegisteredApplication<Viewer>
 {
 private:
+	class Resources: public GL::Resources
+	{
+	private:
+		DataFile::DirectorySource dir_source;
+		DataFile::PackSource pack_source;
+
+	public:
+		Resources();
+
+		void add_directory(const string &);
+		void add_pack(const string &);
+	};
+
 	Graphics::SimpleGLWindow window;
 	Input::Mouse mouse;
-	GL::Object *object;
-	GL::Mesh *mesh;
-	GL::Animation *animation;
+	Resources resources;
+	GL::Renderable *renderable;
 	GL::AnimatedObject *anim_object;
 	GL::AnimationPlayer *anim_player;
 	GL::Light light;
@@ -45,6 +62,10 @@ private:
 
 public:
 	Viewer(int, char **);
+private:
+	template<typename T>
+	T *load(const string &);
+public:
 	~Viewer();
 
 	virtual int main();
@@ -63,9 +84,7 @@ private:
 Viewer::Viewer(int argc, char **argv):
 	window(1024, 768, false),
 	mouse(window),
-	object(0),
-	mesh(0),
-	animation(0),
+	renderable(0),
 	anim_object(0),
 	anim_player(0),
 	yaw(0),
@@ -75,43 +94,72 @@ Viewer::Viewer(int argc, char **argv):
 	light_pitch(0),
 	dragging(0)
 {
-	if(argc<2)
-		throw usage_error("Filename must be provided");
-
-	for(int i=1; i<argc; ++i)
+	list<string> resource_locations;
+	string animation_name;
+	string renderable_name;
+	GetOpt getopt;
+	getopt.add_option('r', "resources", resource_locations, GetOpt::REQUIRED_ARG);
+	getopt.add_option('a', "animation", animation_name, GetOpt::REQUIRED_ARG);
+	getopt.add_argument("renderable", renderable_name);
+	getopt(argc, argv);
+
+	for(list<string>::const_iterator i=resource_locations.begin(); i!=resource_locations.end(); ++i)
 	{
-		string fn = argv[i];
-		string ext = FS::extpart(fn);
-
-		if(ext==".mesh")
+		if(FS::is_dir(*i))
+			resources.add_directory(*i);
+		else
 		{
-			if(mesh || object)
-				throw usage_error("Only one mesh or object may be specified");
-
-			mesh = new GL::Mesh;
-			DataFile::load(*mesh, fn);
+			string ext = FS::extpart(*i);
+			if(ext==".mdp")
+				resources.add_pack(*i);
+			else
+				DataFile::load(resources, *i);
 		}
-		else if(ext==".object")
-		{
-			if(mesh || object)
-				throw usage_error("Only one mesh or object may be specified");
+	}
 
-			object = new GL::Object;
-			DataFile::load(*object, fn);
-		}
-		else if(ext==".anim")
+	GL::Object *object = 0;
+
+	string ext = FS::extpart(renderable_name);
+	if(ext==".mesh")
+	{
+		GL::Mesh *mesh = 0;
+		if(FS::exists(renderable_name))
 		{
-			if(!object)
-				throw usage_error("An object must be provided for animation");
-
-			animation = new GL::Animation;
-			DataFile::load(*animation, argv[2]);
-			anim_object = new GL::AnimatedObject(*object);
-			anim_player = new GL::AnimationPlayer;
-			anim_player->play(*anim_object, *animation);
+			mesh = new GL::Mesh;
+			DataFile::load(*mesh, renderable_name);
+			resources.add("__"+renderable_name, mesh);
 		}
 		else
-			throw usage_error("Don't know how to view this file");
+			mesh = &resources.get<GL::Mesh>(renderable_name);
+
+		object = new GL::Object;
+		GL::Technique *tech = new GL::Technique;
+		tech->add_pass(0);
+		object->set_mesh(mesh);
+		object->set_technique(tech);
+		renderable = object;
+
+		resources.add("__.tech", tech);
+		resources.add("__.object", object);
+	}
+	else if(ext==".object")
+	{
+		object = load<GL::Object>(renderable_name);
+		renderable = object;
+	}
+	else
+		throw usage_error("Unknown renderable type");
+
+	if(!animation_name.empty())
+	{
+		if(!object)
+			throw usage_error("Must have an object to animate");
+
+		GL::Animation *anim = load<GL::Animation>(animation_name);
+		anim_player = new GL::AnimationPlayer;
+		anim_object = new GL::AnimatedObject(*object);
+		anim_player->play(*anim_object, *anim);
+		renderable = anim_object;
 	}
 
 	window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Viewer::exit), 0));
@@ -126,10 +174,24 @@ Viewer::Viewer(int argc, char **argv):
 	update_camera();
 }
 
+template<typename T>
+T *Viewer::load(const string &name)
+{
+	if(FS::exists(name))
+	{
+		T *thing = new T;
+		DataFile::load(*thing, name, resources);
+		resources.add("__"+name, thing);
+		return thing;
+	}
+	else
+		return &resources.get<T>(name);
+}
+
 Viewer::~Viewer()
 {
-	delete object;
-	delete mesh;
+	delete anim_player;
+	delete anim_object;
 }
 
 int Viewer::main()
@@ -160,12 +222,7 @@ void Viewer::tick()
 	GL::Bind bind_lighting(lighting);
 	GL::Bind bind_depth(GL::DepthTest::lequal());
 	GL::Bind bind_blend(GL::Blend::alpha());
-	if(anim_object)
-		anim_object->render();
-	else if(object)
-		object->render();
-	else if(mesh)
-		mesh->draw();
+	renderable->render();
 
 	window.swap_buffers();
 }
@@ -251,3 +308,20 @@ void Viewer::update_light()
 	float sp = sin(light_pitch);
 	light.set_position(GL::Vector4(-cy*cp, -sy*cp, -sp, 0));
 }
+
+
+Viewer::Resources::Resources()
+{
+	add_source(dir_source);
+	add_source(pack_source);
+}
+
+void Viewer::Resources::add_directory(const string &dir)
+{
+	dir_source.add_directory(dir);
+}
+
+void Viewer::Resources::add_pack(const string &pack)
+{
+	pack_source.add_pack_file(pack);
+}