core bullet physics support,

initial vstrafe support

1 files changed, 54 insertions, 0 deletions

diff --git a/src/core/physics.cc b/src/core/physics.cc
new file mode 100644
index 0000000..a8577b3
--- /dev/null
+++ b/src/core/physics.cc
@@ -0,0 +1,54 @@
+/*
+   core/physics.cc
+   This file is part of the Osirion project and is distributed under
+   the terms and conditions of the GNU General Public License version 2
+*/
+
+#include "core/physics.h"
+#include "core/zone.h"
+
+namespace core {
+
+btDefaultCollisionConfiguration *Physics::physics_configuration;
+btCollisionDispatcher *Physics::physics_dispatcher;
+btSequentialImpulseConstraintSolver *Physics::physics_solver;
+unsigned long Physics::physics_timestamp;
+
+void Physics::init()
+{
+	con_print << "^BInitializing physics engine..." << std::endl;
+
+	physics_configuration = new btDefaultCollisionConfiguration();
+	physics_dispatcher = new btCollisionDispatcher(physics_configuration);
+	physics_solver = new btSequentialImpulseConstraintSolver;
+	
+	physics_timestamp = 0;
+}
+
+void Physics::done()
+{
+	con_print << "^Bshutting down physics engine..." << std::endl;
+	delete physics_solver;
+	delete physics_dispatcher;
+	delete physics_configuration;
+	
+	physics_configuration = 0;
+	physics_dispatcher = 0;
+	physics_solver = 0;
+}
+
+void Physics::frame(const unsigned long timestamp)
+{
+	if (!timestamp)
+		return;
+	
+	const float seconds = (float) (timestamp - physics_timestamp) / 1000.0f;
+	
+	for (core::Zone::Registry::iterator it = core::Zone::registry().begin(); it != core::Zone::registry().end(); it++) {
+		(*it).second->physics()->stepSimulation(seconds);
+	}
+	
+	physics_timestamp = timestamp;
+}
+
+} // namespace core
\ No newline at end of file