From 75870f0241d874fd4f60ea73bd55b32452b72fc5 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 14 Apr 2021 18:35:38 +0300
Subject: [PATCH] Support loading sequences in the viewer

---
 tools/viewer.cpp | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/tools/viewer.cpp b/tools/viewer.cpp
index ffdc4ec6..674fbf16 100644
--- a/tools/viewer.cpp
+++ b/tools/viewer.cpp
@@ -17,6 +17,8 @@
 #include <msp/gl/mesh.h>
 #include <msp/gl/object.h>
 #include <msp/gl/sequence.h>
+#include <msp/gl/sequencebuilder.h>
+#include <msp/gl/sequencetemplate.h>
 #include <msp/gl/renderer.h>
 #include <msp/gl/resources.h>
 #include <msp/gl/simplescene.h>
@@ -65,7 +67,7 @@ private:
 	Input::Mouse mouse;
 	Resources resources;
 	GL::WindowView view;
-	GL::Sequence sequence;
+	GL::Sequence *sequence;
 	GL::Renderable *renderable;
 	GL::AnimatedObject *anim_object;
 	GL::AnimationPlayer *anim_player;
@@ -121,7 +123,7 @@ Viewer::Viewer(int argc, char **argv):
 	gl_ctx(window, opts.gl_opts),
 	mouse(window),
 	view(window, gl_ctx),
-	sequence(view),
+	sequence(0),
 	renderable(0),
 	anim_object(0),
 	anim_player(0),
@@ -186,6 +188,12 @@ Viewer::Viewer(int argc, char **argv):
 		else
 			renderable = &resources.get<GL::Scene>(opts.renderable_name);
 	}
+	else if(ext==".seq")
+	{
+		GL::SequenceTemplate *tmpl = load<GL::SequenceTemplate>(opts.renderable_name);
+		GL::SequenceBuilder bld(*tmpl);
+		sequence = bld.build(view);
+	}
 	else
 		throw usage_error("Unknown renderable type");
 
@@ -212,12 +220,16 @@ Viewer::Viewer(int argc, char **argv):
 	camera.set_up_direction(GL::Vector3(0, 0, 1));
 	update_camera();
 
-	GL::Sequence::Step &step = sequence.add_step(0, *renderable);
-	step.set_lighting(&lighting);
-	step.set_depth_test(&GL::DepthTest::lequal());
-	step.set_blend(&GL::Blend::alpha());
+	if(!sequence)
+	{
+		sequence = new GL::Sequence(view);
+		GL::Sequence::Step &step = sequence->add_step(0, *renderable);
+		step.set_lighting(&lighting);
+		step.set_depth_test(&GL::DepthTest::lequal());
+		step.set_blend(&GL::Blend::alpha());
+	}
 
-	view.set_content(&sequence);
+	view.set_content(sequence);
 	view.set_camera(&camera);
 }
 
@@ -239,6 +251,7 @@ Viewer::~Viewer()
 {
 	delete anim_player;
 	delete anim_object;
+	delete sequence;
 }
 
 int Viewer::main()
-- 
2.43.0