Use LoadableTypeRegistry to manage action types in Sequencer

[libs/demoscene.git] / source / sequencer.cpp

diff --git a/source/sequencer.cpp b/source/sequencer.cpp
index d9d35614dbf4ed9fd897b60e5c5df67ee68d5f11..25182b8ef6ee7f4e623b83cfc942f8fe17339e86 100644 (file)
--- a/source/sequencer.cpp
+++ b/source/sequencer.cpp
@@ -1,10 +1,16 @@
 #include <cmath>
 #include <msp/core/algorithm.h>
-#include "action.h"
+#include <msp/core/maputils.h>
+#include <msp/core/raii.h>
+#include "animate.h"
+#include "fadeoverlay.h"
 #include "sequencer.h"
+#include "stage.h"
 
 using namespace std;
-using namespace Msp;
+
+namespace Msp {
+namespace DemoScene {
 
 Sequencer::Sequencer(float bpm):
        started(false),
@@ -12,6 +18,11 @@ Sequencer::Sequencer(float bpm):
        next_event(0)
 {
        set_beats_per_minute(bpm);
+
+       register_action_type<Animate>("animate");
+       register_action_type<FadeOverlay::Fade>("fade");
+       register_action_type<Stage::UseInView>("use_stage");
+       register_action_type<Stage::SetCamera>("set_camera");
 }
 
 void Sequencer::set_beats_per_minute(float bpm)
@@ -29,12 +40,12 @@ void Sequencer::add_action(Action &act, float sb, float eb)
        if(sb<0 || sb>eb)
                throw invalid_argument("Sequencer::add_action");
 
-       Segment seq_act;
-       seq_act.action = &act;
-       seq_act.start_beat = sb;
-       seq_act.end_beat = eb;
+       Segment seg;
+       seg.action = &act;
+       seg.start_beat = sb;
+       seg.end_beat = eb;
        auto i = find_if(segments, [=](const Segment &s){ return s.start_beat>sb; });
-       segments.insert(i, seq_act);
+       segments.insert(i, seg);
 }
 
 void Sequencer::start()
@@ -126,3 +137,80 @@ void Sequencer::update_next_event()
                if(i->end_beat>beat)
                        next_event = min(next_event, i->end_beat);
 }
+
+
+Sequencer::Loader::Loader(Sequencer &s, Demo &d):
+       DataFile::ObjectLoader<Sequencer>(s),
+       demo(d),
+       base_beat(0.0f)
+{
+       add("base", &Loader::base);
+       add("define_action", &Loader::define_action);
+       add("instant", &Loader::instant);
+       add("repeat", &Loader::repeat);
+       add("segment", &Loader::segment);
+}
+
+void Sequencer::Loader::base(float b)
+{
+       SetForScope<float> set_base(base_beat, base_beat+b);
+       load_sub_with(*this);
+}
+
+void Sequencer::Loader::define_action(const string &n)
+{
+       ActionDefLoader ldr(obj, demo);
+       load_sub_with(ldr);
+       obj.named_actions[n] = ldr.get_action();
+}
+
+void Sequencer::Loader::instant(float beat)
+{
+       segment(beat, beat);
+}
+
+void Sequencer::Loader::repeat(float b, float d, unsigned n)
+{
+       for(unsigned i=0; i<n; ++i)
+       {
+               SetForScope<float> set_base(base_beat, base_beat+b+i*d);
+               load_sub_with(*this);
+       }
+}
+
+void Sequencer::Loader::segment(float start, float end)
+{
+       SegmentLoader ldr(obj, base_beat+start, base_beat+end, demo);
+       load_sub_with(ldr);
+}
+
+
+Sequencer::ActionDefLoader::ActionDefLoader(Sequencer &s, Demo &d):
+       DataFile::ObjectLoader<Sequencer>(s),
+       demo(d)
+{
+       obj.action_registry.add_all(*this);
+}
+
+
+Sequencer::SegmentLoader::SegmentLoader(Sequencer &s, float b, float e, Demo &d):
+       ActionDefLoader(s, d),
+       start_beat(b),
+       end_beat(e)
+{
+       add("apply", &SegmentLoader::apply);
+}
+
+void Sequencer::SegmentLoader::action_loaded()
+{
+       obj.add_action(*action, start_beat, end_beat);
+       obj.anonymous_actions.push_back(action.release());
+}
+
+void Sequencer::SegmentLoader::apply(const string &n)
+{
+       obj.add_action(*get_item(obj.named_actions, n), start_beat, end_beat);
+}
+
+} // namespace DemoScene
+} // namespace Msp