slowly getting tracktion again

CMakeLists.txt

@@ -1,3 +1,6 @@
+#
+# CMake build system for pixwerx
+#
 cmake_minimum_required(VERSION 3.8)
 
 project(pixwerx)

src/CMakeLists.txt

@@ -3,6 +3,7 @@
 add_subdirectory(deps)
 add_subdirectory(core)
 add_subdirectory(scene)
+#add_subdirectory(system)
 add_subdirectory(ui)
 add_subdirectory(scripting)
 add_subdirectory(engine)

src/core/CMakeLists.txt

@@ -1,4 +1,38 @@
 
-add_subdirectory(src)
+set(hdrs
+	include/pw/core/axisangle.hpp
+	include/pw/core/core.hpp
+	include/pw/core/math.hpp
+	include/pw/core/matrixbase.hpp
+	include/pw/core/matrix.hpp
+	include/pw/core/vector.hpp
+	include/pw/core/quaternion.hpp
+	include/pw/core/serialize.hpp
+	include/pw/core/image.hpp
+	include/pw/core/globals.hpp
+	)
+
+set(srcs
+	src/core.cpp
+	src/serialize.cpp
+	)
+
+add_library(pwcore
+	STATIC
+	${hdrs}
+	${srcs}
+	)
+
+target_include_directories(
+	pwcore
+	PUBLIC
+	include
+	)
+
+target_link_libraries(pwcore)
+
+
+
+#add_subdirectory(src)
 add_subdirectory(tests)
 

src/core/include/pw/core/axisangle.hpp

@@ -12,7 +12,10 @@ protected:
     T _angle;
 public:
 
-    axisangle() {}
+	axisangle()
+		: _axis(vector3<T>::up()),
+		  _angle(0)
+	{}
 
     axisangle(const vector3<T> &axis,const T &angle)
         : _axis(axis)

src/core/include/pw/core/math.hpp

@@ -10,8 +10,6 @@ const static double __PW_PI = 3.141592653589793238462643383279502884197169399375
 template <typename T>
 inline const T pi() { return static_cast<T>(__PW_PI); }
 
-
-
 template <typename T>
 inline static double rad_to_deg(const T& angle_in_radian) {
     return static_cast<T>(angle_in_radian * T(180.) / pi<T>());

src/core/include/pw/core/vector.hpp

@@ -113,6 +113,12 @@ public:
 #endif
 
 
+	static vector3<T> forward() { return vector3<T> ( 0, 0,-1); }
+	static vector3<T> backward() { return vector3<T>( 0, 0, 1); }
+	static vector3<T> right() { return vector3<T>   ( 1, 0, 0); }
+	static vector3<T> left() { return vector3<T>    (-1, 0, 0); }
+	static vector3<T> up() { return vector3<T>      ( 0, 1, 0); }
+	static vector3<T> down() { return vector3<T>    ( 0,-1, 0); }
 
 };
 
@@ -120,8 +126,7 @@ public:
 
 // Vec2x -----------------------------------------------------------------------
 
-template <class T> class vector2 : public vector<2,T>
-{
+template <class T> class vector2 : public vector<2,T> {
 public:
 
     vector2() {}

src/core/src/CMakeLists.txt

@@ -1,38 +0,0 @@
-
-set(hdrs
-#	../include/pw/core/context.hpp
-    ../include/pw/core/axisangle.hpp
-	../include/pw/core/core.hpp
-#	../include/pw/core/script.hpp
-#	../include/pw/core/scripting.hpp
-    ../include/pw/core/math.hpp
-	../include/pw/core/matrixbase.hpp
-	../include/pw/core/matrix.hpp
-	../include/pw/core/vector.hpp
-	../include/pw/core/quaternion.hpp
-	../include/pw/core/serialize.hpp
-	../include/pw/core/image.hpp
-	../include/pw/core/globals.hpp
-	)
-
-set(srcs
-#	script.cpp
-#	context.cpp
-	core.cpp
-	serialize.cpp
-	)
-
-add_library(pwcore
-	STATIC
-	${hdrs}
-	${srcs}
-	)
-
-target_include_directories(
-	pwcore
-	PUBLIC
-	../include
-	)
-
-target_link_libraries(pwcore)
-

src/core/src/core.cpp

@@ -17,8 +17,6 @@ void test_matrixbase() {
 
     m.set_identity();
 
-
-
 }
 
 

src/scene/CMakeLists.txt

@@ -1,2 +1,37 @@
-add_subdirectory(src)
+
+set(hdrs
+	include/pw/scene/component.hpp
+	include/pw/scene/node.hpp
+	include/pw/scene/nodepath.hpp
+	include/pw/scene/transform.hpp
+	include/pw/scene/traverser.hpp
+	)
+
+set(srcs
+	src/node.cpp
+	src/nodepath.cpp
+	src/component.cpp
+	src/transform.cpp
+	src/traverser.cpp
+	)
+
+add_library(pwscene
+	STATIC
+	${hdrs}
+	${srcs}
+	)
+
+target_include_directories(
+	pwscene
+	PUBLIC
+	include
+	)
+
+target_include_directories(
+	pwscene
+	PUBLIC
+	)
+
+target_link_libraries(pwscene pwcore)
+
 add_subdirectory(tests)

src/scene/include/pw/scene/node.hpp

@@ -9,8 +9,10 @@
 
 namespace pw {
 
+class traverser;
+
 /**
- * @brief nodes are representing the hierarchical structore fo the scene graph
+ * @brief nodes represent the structure for the scene graph
  */
 class node {
 public:
@@ -27,6 +29,10 @@ public:
     //! copy c'tor
     node(const node& node);
 
+
+	//! wrapper for scripting interface
+	std::shared_ptr<node> shared();
+
     //! cloning interface
     virtual node* clone(const unsigned short& copymode) const;
 
@@ -36,11 +42,8 @@ public:
     //! return list of parents
     inline const ptr_array& parents() const { return _parents; }
 
-    //! check if this is the root node
-    inline bool is_root() const { return parents().empty(); }
-
     //! add a child node
-    void add_child(node *anode);
+	std::shared_ptr<node> add_child(std::shared_ptr<node> anode);
 
     //! get the list of children
     inline const ref_array& children() const { return _children; }
@@ -51,10 +54,37 @@ public:
     //! check if this node is a leaf node
     inline bool is_leaf() const { return children().empty(); }
 
+	//! check if this is the root node
+	inline bool is_root() const { return parents().empty(); }
+
+	//! d'tor
     virtual ~node();
 
+	//! list of components
     const component::array& components() const;
 
+	//! add a node as parent node
+	void add_parent(node *anode);
+
+	//! visitor to collect data from the graph
+	struct visitor {
+		enum direction {
+			up,
+			down
+		} direction;
+
+		visitor(enum direction d = direction::down) : direction(d) {}
+
+		virtual void enter(node* n) = 0;
+		virtual void leave(node* n) = 0;
+	};
+
+	void visit(visitor &visitor);
+
+	void ascend(visitor &visitor);
+
+	void descend(visitor &visitor);
+
 protected:
 
     void register_component(component* c);

src/scene/include/pw/scene/nodepath.hpp

@@ -0,0 +1,24 @@
+#ifndef PW_SCENE_NODEPATH_HPP
+#define PW_SCENE_NODEPATH_HPP
+
+#include <pw/scene/node.hpp>
+
+namespace pw {
+
+class nodepath {
+public:
+
+	nodepath() {}
+
+	void update(node* n);
+
+protected:
+
+	node::ptr_array _path;
+
+};
+
+}
+
+
+#endif // NODEPATH_HPP

src/scene/include/pw/scene/traverser.hpp

@@ -0,0 +1,30 @@
+#ifndef PW_SCENE_TRAVERSER_HPP
+#define PW_SCENE_TRAVERSER_HPP
+
+namespace pw {
+
+class node;
+
+//class traverser {
+//public:
+
+//	enum direction {
+//		up,
+//		down
+//	};
+
+//	traverser(direction dir = direction::down);
+
+//	void enter(node* node);
+
+//	void leave(node* node);
+
+//protected:
+
+//	direction _direction;
+
+//};
+
+}
+
+#endif // PW_SCENE_TRAVERSER_HPP

src/scene/src/CMakeLists.txt

@@ -1,32 +1,2 @@
 
-set(hdrs
-    ../include/pw/scene/component.hpp
-    ../include/pw/scene/node.hpp
-	../include/pw/scene/transform.hpp
-    )
 
-set(srcs
-    node.cpp
-    nodepath.cpp
-    component.cpp
-	transform.cpp
-    )
-
-add_library(pwscene
-    STATIC
-    ${hdrs}
-    ${srcs}
-    )
-
-target_include_directories(
-    pwscene
-    PUBLIC
-    ../include
-    )
-
-target_include_directories(
-    pwscene
-    PUBLIC
-    )
-
-target_link_libraries(pwscene pwcore)

src/scene/src/component.cpp

@@ -16,7 +16,16 @@ namespace pw {
 component::component(node *n)
     : _node(n)
 {
-    if (_node != nullptr) _node->register_component(this);
+	if (_node != nullptr) {
+
+		for (const auto c : _node->components()) {
+			if (typeid (c.get()).name() == typeid (this).name()) {
+				// error
+				return;
+			}
+		}
+		_node->register_component(this);
+	}
 }
 
 component::component(const component &other)

src/scene/src/node.cpp

@@ -22,10 +22,44 @@ void node::set_name(const std::string &name)
     _name = name;
 }
 
-void node::add_child(node *anode)
+std::shared_ptr<node> node::add_child(std::shared_ptr<node> anode)
 {
-    _children.push_back(std::shared_ptr<node>(anode));
-    anode->_parents.push_back(this);
+	anode->add_parent(this);
+	_children.push_back(anode);
+	return anode;
+}
+
+void node::add_parent(node *anode)
+{
+	_parents.push_back(anode);
+}
+
+void node::visit(visitor& visitor)
+{
+	visitor.enter(this);
+
+	if (visitor.direction == node::visitor::direction::up)
+		this->ascend(visitor);
+	else {
+		this->descend(visitor);
+	}
+
+	visitor.leave(this);
+}
+
+void node::ascend(visitor& visitor)
+{
+	for (auto p : this->parents()) p->visit(visitor);
+}
+
+void node::descend(visitor& visitor)
+{
+	for (auto c : this->children()) c->visit(visitor);
+}
+
+std::shared_ptr<node> node::shared()
+{
+	return std::shared_ptr<node>(this);
 }
 
 node::~node()
@@ -34,6 +68,13 @@ node::~node()
     _parents.clear();
 }
 
+
+
+
+//
+//
+//
+
 void node::register_component(component *c) {
     _components.push_back(std::shared_ptr<component>(c));
 }
@@ -54,4 +95,5 @@ const component::array& node::components() const
 
 
 
+
 }

src/scene/src/nodepath.cpp

@@ -1,6 +1,11 @@
+#include "pw/scene/nodepath.hpp"
+#include "pw/scene/node.hpp"
+
 namespace pw {
 
-
+void nodepath::update(node *n)
+{
+}
 
 
 }

src/scene/src/traverser.cpp

@@ -0,0 +1,34 @@
+#include "pw/scene/traverser.hpp"
+#include "pw/scene/node.hpp"
+
+#include <stack>
+#include <iostream>
+
+namespace pw {
+
+//traverser::traverser(direction dir)
+//{
+//}
+
+//void traverser::run(node *root_node)
+//{
+//	std::stack<node*> node_stack;
+//	node_stack.push(root_node);
+
+//	node *n = root_node;
+
+//	while (!node_stack.empty()) {
+
+//		if (n->is_leaf()) {
+//			std::cout << n->name() << std::endl;
+//			node_stack.pop();
+//			// save
+//		} else {
+//			for
+////			n = n->children().front().get();
+//		}
+
+//	}
+//}
+
+}

src/scene/tests/CMakeLists.txt

@@ -4,3 +4,11 @@ add_executable(pwscene_test_node
 
 target_link_libraries(pwscene_test_node
 	pwcore pwscene)
+
+
+add_executable(pwscene_test_traverser
+	pwscene_test_traverser.cpp
+	)
+
+target_link_libraries(pwscene_test_traverser
+	pwcore pwscene)

src/scene/tests/pwscene_test_node.cpp

@@ -2,6 +2,7 @@
 #include <pw/core/serialize.hpp>
 #include <pw/scene/node.hpp>
 #include <pw/scene/transform.hpp>
+#include <pw/scene/nodepath.hpp>
 
 #include <iostream>
 
@@ -13,14 +14,14 @@ int main(int argc,char **argv) {
 
     // check
     {
-        n->add_child(new node("sub"));
+		n->add_child(std::make_shared<node>("sub"));
     }
 
     std::cout << "n name: " << n->name() << std::endl;
     std::cout << "n leaf: " << n->is_leaf() << std::endl;
     std::cout << "n root: " << n->is_root() << std::endl;
 
-    std::cout << "s name: " << n->children()[0]->name() << std::endl;
+	std::cout << "s name: " << n->children().front()->name() << std::endl;
     std::cout << "s leaf: " << n->children()[0]->is_leaf() << std::endl;
     std::cout << "s root: " << n->children()[0]->is_root() << std::endl;
 
@@ -33,5 +34,7 @@ int main(int argc,char **argv) {
     std::cout << "n components: " << n->components().size() << std::endl;
 
 
+
+
     return 0;
 }

src/scene/tests/pwscene_test_traverser.cpp

@@ -0,0 +1,45 @@
+#include <pw/core/vector.hpp>
+#include <pw/core/serialize.hpp>
+#include <pw/scene/node.hpp>
+#include <pw/scene/transform.hpp>
+#include <pw/scene/nodepath.hpp>
+//#include <pw/scene/traverser.hpp>
+
+#include <iostream>
+
+struct test_visitor : pw::node::visitor {
+	virtual void enter(pw::node *n) override;
+	virtual void leave(pw::node *n) override;
+};
+
+void test_visitor::enter(pw::node *n)
+{
+	std::cout << n->name() << " " << n->is_leaf() << std::endl;
+}
+
+void test_visitor::leave(pw::node *n)
+{
+}
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+	using namespace pw;
+
+	node::ref root(std::make_shared<node>("root"));
+	root->add_child(std::make_shared<node>("sub-1"));
+
+	node::ref sub_2_1 = std::make_shared<node>("sub-2-1");
+
+	root->add_child(std::make_shared<node>("sub-2"))->add_child(std::make_shared<node>("sub-2-1"));
+	root->add_child(std::make_shared<node>("sub-3"))->add_child(sub_2_1);
+
+	std::cout << "sub-2-1 parent count: " << sub_2_1->parents().size() << std::endl;
+
+	test_visitor tv;
+
+	root->visit(tv);
+
+	return 0;
+}

src/scripting/CMakeLists.txt

@@ -1 +1,32 @@
-add_subdirectory(src)
+#add_subdirectory(src)
+
+
+set(hdrs
+	include/pw/scripting/script.hpp
+	include/pw/scripting/scripting.hpp
+	)
+
+set(srcs
+	src/script.cpp
+	)
+
+add_library(pwscripting
+	STATIC
+	${hdrs}
+	${srcs}
+	)
+
+target_include_directories(
+	pwscripting
+	PUBLIC
+	include
+	)
+
+target_include_directories(
+	pwscripting
+	PRIVATE
+	${CMAKE_SOURCE_DIR}/src/deps/lua-5.3.4/src
+	${CMAKE_SOURCE_DIR}/src/deps/sol
+	)
+
+target_link_libraries(pwscripting lualib pwcore pwui pwscene)

src/scripting/include/pw/scripting/script.hpp

@@ -28,6 +28,4 @@ protected:
 
 }
 
-
-
 #endif

src/scripting/src/CMakeLists.txt

@@ -1,30 +0,0 @@
-
-set(hdrs
-	../include/pw/scripting/script.hpp
-	../include/pw/scripting/scripting.hpp
-	)
-
-set(srcs
-	script.cpp
-	)
-
-add_library(pwscripting
-	STATIC
-	${hdrs}
-	${srcs}
-	)
-
-target_include_directories(
-	pwscripting
-	PUBLIC
-	../include
-	)
-
-target_include_directories(
-	pwscripting
-	PRIVATE
-	${CMAKE_SOURCE_DIR}/src/deps/lua-5.3.4/src
-	${CMAKE_SOURCE_DIR}/src/deps/sol
-	)
-
-target_link_libraries(pwscripting lua pwcore)

src/scripting/src/script.cpp

@@ -6,6 +6,10 @@
 #include "pw/core/quaternion.hpp"
 #include "pw/core/axisangle.hpp"
 
+#include "pw/scene/node.hpp"
+
+#include "pw/ui/window.hpp"
+
 
 struct lua_state : public pw::script::state {
 
@@ -49,15 +53,22 @@ void lua_state::load_modules() {
 	using namespace pw;
 
 	_namespace.new_usertype<vector3d>("vector3",
+									  sol::constructors<vector3d(), vector3d(Scalar,Scalar,Scalar)>(),
 									  "set",&vector3d::set,
 									  "x", scripting::property(scripting::resolve<const Scalar&() const>(&vector3d::x), &vector3d::set_x),
 									  "y", scripting::property(scripting::resolve<const Scalar&() const>(&vector3d::y), &vector3d::set_y),
 									  "z", scripting::property(scripting::resolve<const Scalar&() const>(&vector3d::z), &vector3d::set_z),
+									  "norm",&vector3d::norm,
+									  "cross",&vector3d::cross,
+									  "dot",&vector3d::dot,
+									  //									  sol::meta_function::addition, sol::resolve<vector3d(const vector3d&, const vector3d&)>(::operator+),
+									  //									  sol::meta_function::subtraction, &vector3d::operator-
 									  //                                      "v",&vector3d::values,
 									  "clone",&vector3d::clone
 									  );
 
 	_namespace.new_usertype<quaterniond>("quaternion",
+										 sol::constructors<quaterniond(), vector3d(Scalar,Scalar,Scalar,Scalar)>(),
 										 "set",&quaterniond::set,
 										 "x", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::x), &quaterniond::set_x),
 										 "y", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::y), &quaterniond::set_y),
@@ -72,11 +83,43 @@ void lua_state::load_modules() {
 										 );
 
 	_namespace.new_usertype<axisangled>("axisangle",
+										sol::constructors<axisangled(), axisangled(vector3d,Scalar)>(),
 										"axis",scripting::property(&axisangled::axis,&axisangled::set_axis),
 										"angle",scripting::property(&axisangled::angle,&axisangled::set_angle)
 										);
 
 
+
+	_namespace.new_usertype<window>("window",
+									"update",&window::update,
+									"set_title",&window::set_title,
+									"set_size",&window::set_size
+									);
+
+
+	_namespace.new_usertype<node>("node",
+								  sol::constructors<node(), node(std::string)>(),
+								  "add_child",&node::add_child,
+								  "shared",&node::shared,
+								  "children",&node::children,
+								  "child_count",&node::child_count,
+								  "create", []() -> std::shared_ptr<node> {
+									  auto ptr = std::make_shared<node>();
+									  return ptr;
+								  },
+								  //								  "share",scripting::property(scripting::resolve<std::shared_ptr<node>(std::make_shared<node>))
+								  "name",scripting::property(&node::name,&node::set_name)
+								  );
+
+
+
+	//	_namespace.set("something", std::shared_ptr<node>(new node()));
+
+	_namespace["my_func"] = []() -> std::shared_ptr<node> {
+			return std::make_shared<node>();
+};
+
+
 }
 
 

src/scripts/demos/simple_000.lua

@@ -3,10 +3,10 @@ pw.script:initialize()
 
 print("hello pixwerx!")
 
-local v = pw.vector3.new()
-v:set(0,1,2)
+local v1 = pw.vector3.new(3,2,1)
+v1:set(0,1,2)
 
-print("v",v.x,v.y,v.z)
+print("v1 ",v1.x,v1.y,v1.z)
 
 
 ---- objects need to be cloned
@@ -23,18 +23,44 @@ print("v",v.x,v.y,v.z)
 
 local q = pw.quaternion.new()
 print("q",q.x,q.y,q.z,q.w)
+
 qi = q:inverse()
 print("q.inverse",qi.x,qi.y,qi.z,qi.w)
 
+local q2 = pw.quaternion.new(0,0,0,1)
+
 qm = pw.quaternion.lerp(q,qi)
 print("q.m",qm.x,qm.y,qm.z,qm.w)
 
---local aa = pw.axisangle.new()
 
----- assign vector to axis
-----aa.axis = v
+-- axis angle test
+local aa = pw.axisangle.new(v1,0.707)
 
---print("aa",aa.axis.x)
+print("aa.axis",aa.axis.x,aa.axis.y,aa.axis.z)
+print("aa.angle",aa.angle)
+
+
+local n_1 = pw.node.new("node-1")
+local n_2 = pw.node.new("node-2")
+
+print("node 1: ", n_1.name)
+print("node 2: ", n_2.name)
+
+print(pw.node.create())
+
+print("node children ",n_1:children())
+
+--print(n_1:shared())
+--print(pw.my_func())
+
+--n_1:add_child()
+
+--local w = pw.window.new()
+
+--while w:update()
+--do
+--    -- print("update")
+--end
 
 --local scene = pw:scene.new()
 

src/ui/CMakeLists.txt

@@ -1 +1,23 @@
-add_subdirectory(src)
+#add_subdirectory(src)
+
+set(hdrs
+	include/pw/ui/window.hpp
+	)
+
+set(srcs
+	src/window.cpp
+	)
+
+add_library(pwui
+	STATIC
+	${hdrs}
+	${srcs}
+	)
+
+target_include_directories(
+	pwui
+	PUBLIC
+	include
+	)
+
+target_link_libraries(pwui pwcore glfw glad)

src/ui/src/CMakeLists.txt

@@ -1,22 +0,0 @@
-set(hdrs
-	../include/pw/ui/window.hpp
-	)
-
-set(srcs
-	window.cpp
-	)
-
-
-add_library(pwui
-	STATIC
-	${hdrs}
-	${srcs}
-	)
-
-target_include_directories(
-	pwui
-	PUBLIC
-	../include
-	)
-
-target_link_libraries(pwui pwcore glfw glad)

src/ui/src/window.cpp

@@ -2,9 +2,11 @@
 
 //#include "glad/glad.h"
 
-pw::window::window() {
+pw::window::window()
+{
+	glfwInit();
 
-    _window = glfwCreateWindow(640, 480, "pixwerxs", NULL, NULL);
+	_window = glfwCreateWindow(640, 480, "pixwerxs", nullptr, nullptr);
 
 #if 0
 	glfwMakeContextCurrent(_window);
@@ -50,12 +52,8 @@ void pw::window::set_size(int w,int h) {
 
 //void pw::window::load(sol::table &ns)
 //{
-//    glfwInit();
+//
+
 
-//    ns.new_usertype<window>("window",
-//                            "update",&window::update,
-//                            "set_title",&window::set_title,
-//                            "set_size",&window::set_size
-//                            );
 //}