X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgameview%2Frenderer.cpp;fp=source%2Fgameview%2Frenderer.cpp;h=4bce48420ecd12cca0f48a0dd5d8daaa22a8c4eb;hb=f298027c2042b63cec903c98dfc97e792a4f923f;hp=0000000000000000000000000000000000000000;hpb=38ffef0320a70909f3e13e9681e4720352e440aa;p=libs%2Fgame.git

diff --git a/source/gameview/renderer.cpp b/source/gameview/renderer.cpp
new file mode 100644
index 0000000..4bce484
--- /dev/null
+++ b/source/gameview/renderer.cpp
@@ -0,0 +1,65 @@
+#include "renderer.h"
+#include <msp/game/entity.h>
+#include <msp/game/stage.h>
+#include <msp/game/transform.h>
+#include <msp/gl/sequencebuilder.h>
+
+using namespace std;
+
+namespace Msp::GameView {
+
+Renderer::Renderer(Game::Stage &s, GL::View &v):
+	System(s),
+	view(v),
+	event_observer(s.get_event_bus())
+{
+	event_observer.observe<Game::Events::CameraChanged>([this](auto &e){ camera_changed(e); });
+
+	if(Game::Handle<Game::Camera> ac = stage.get_active_camera())
+		camera_changed({ ac });
+
+	view.set_camera(&gl_camera);
+}
+
+Renderer::~Renderer()
+{ }
+
+void Renderer::camera_changed(const Game::Events::CameraChanged &event)
+{
+	active_camera = event.camera;
+	if(event.camera)
+	{
+		const string &seq_name = event.camera->get_sequence_name();
+		if(seq_name!=current_seq_name)
+		{
+			current_seq_name = seq_name;
+			GL::SequenceBuilder bld(stage.get_resources().get<GL::SequenceTemplate>(seq_name));
+			bld.set_renderable("content", scene);
+			sequence.reset(bld.build(view));
+			view.set_content(sequence.get());
+		}
+	}
+}
+
+void Renderer::tick(Time::TimeDelta)
+{
+	if(active_camera)
+	{
+		Game::Handle<Game::Transform> transform = active_camera->get_entity()->get_transform();
+		if(transform)
+			gl_camera.set_object_matrix(transform->get_world_matrix());
+		else
+			gl_camera.set_object_matrix(GL::Matrix());
+		if(active_camera->is_orthographic())
+		{
+			const LinAl::Vector<float, 2> &size = active_camera->get_size();
+			gl_camera.set_orthographic(size.x, size.y);
+		}
+		else
+			gl_camera.set_field_of_view(active_camera->get_fov_vertical());
+		gl_camera.set_depth_clip(active_camera->get_near_clip(), active_camera->get_far_clip());
+	}
+	view.render();
+}
+
+} // namespace Msp::GameView