From 035653e94a3d74b8f18c993034199d7cd08a895a Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Fri, 21 Jan 2011 14:41:35 +0000
Subject: Support structures for complex entity collision, renamed sv_arrysize
 cvar to mem_vertex.

---
 src/model/collisionmesh.cc | 76 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/model/collisionmesh.cc

(limited to 'src/model/collisionmesh.cc')

diff --git a/src/model/collisionmesh.cc b/src/model/collisionmesh.cc
new file mode 100644
index 0000000..616ee0d
--- /dev/null
+++ b/src/model/collisionmesh.cc
@@ -0,0 +1,76 @@
+/*
+   model/collisionmesh.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "sys/sys.h"
+#include "model/collisionmesh.h"
+
+namespace model {
+
+CollisionMesh::Registry	CollisionMesh::collisionmesh_registry;
+bool CollisionMesh::collisionmesh_initialized = false;
+
+void CollisionMesh::init()
+{
+	clear();
+	collisionmesh_initialized = true;
+}
+
+void CollisionMesh::shutdown()
+{
+	clear();
+	collisionmesh_initialized = false;
+}
+
+void CollisionMesh::add(CollisionMesh *collisionmesh)
+{
+	collisionmesh_registry[collisionmesh->name()] = collisionmesh;	
+}
+
+void CollisionMesh::clear()
+{
+	con_debug << "  clearing collision meshes" << std::endl;
+
+	for (Registry::iterator i = collisionmesh_registry.begin(); i != collisionmesh_registry.end(); ++i) {
+		delete(*i).second;
+	}
+
+	collisionmesh_registry.clear();
+}
+
+CollisionMesh *CollisionMesh::find(const std::string &name)
+{
+	for (Registry::iterator i = collisionmesh_registry.begin(); i != collisionmesh_registry.end(); ++i) {
+		if ((*i).first.compare(name) == 0)
+			return (*i).second;
+	}
+	
+	return 0;
+}
+
+CollisionMesh::CollisionMesh(const std::string &name) :
+	collisionmesh_name(name)
+{
+	collisionmesh_size = 0;
+	// btTriangleMesh (bool use32bitIndices=true, bool use4componentVertices=true)
+	collisionmesh_triangles = new btTriangleMesh(true, false);
+}
+
+CollisionMesh::~CollisionMesh()
+{
+	delete collisionmesh_triangles;
+}
+
+void CollisionMesh::add_triangle(const math::Vector3f & v0, const math::Vector3f & v1, const math::Vector3f & v2)
+{
+	collisionmesh_triangles->addTriangle(
+		to_btVector3(v0),
+		to_btVector3(v1),
+		to_btVector3(v1)
+	);
+	collisionmesh_size += 1;
+}
+
+} // namespace model
-- 
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