Minor renderer for particles

1 files changed, 60 insertions, 0 deletions

diff --git a/util/ogl_renderer/c++/lbm_ogl_renderer.cpp b/util/ogl_renderer/c++/lbm_ogl_renderer.cpp
new file mode 100644
index 0000000..b8b687d
--- /dev/null
+++ b/util/ogl_renderer/c++/lbm_ogl_renderer.cpp
@@ -0,0 +1,60 @@
+#include <kel/lbm/lbm.hpp>
+
+#include "state.hpp"
+
+namespace kel {
+namespace lbm {
+namespace sch {
+using namespace saw::schema;
+}
+
+}
+
+saw::error_or<void> lbm_main(int argc, char** argv){
+	auto eo_state = lbm::create_ogl_renderer();
+	if(eo_state.is_error()){
+		return std::move(eo_state.get_error());
+	}
+	auto& state = *(eo_state.get_value());
+
+	bool running{true};
+	while(running){
+		state.clear();
+		glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+		SDL_GL_SwapWindow(state.window);
+
+		SDL_Event event;
+		while(SDL_PollEvent(&event)){
+			switch(event.type){
+			case SDL_EVENT_QUIT:
+				running = false;
+				break;
+			case SDL_EVENT_KEY_UP:
+				if(event.key.key== SDLK_ESCAPE){
+					running = false;
+				}
+				break;
+			default:
+				break;
+			}
+		}
+	}
+
+	return saw::make_void();
+}
+}
+
+int main(int argc, char** argv){
+	auto eov = kel::lbm_main(argc, argv);
+	if(eov.is_error()){
+		auto& err = eov.get_error();
+		std::cerr<<"[Error] "<<err.get_category();
+		auto err_msg = err.get_message();
+		if(err_msg.size() > 0u){
+			std::cerr<<" - "<<err_msg;
+		}
+		std::cerr<<std::endl;
+		return err.get_id();
+	}
+	return 0;
+}