lua tets

include/td/display/state/NodeEditorState.h

@@ -1,127 +0,0 @@
-#pragma once
-
-#include <td/display/DisplayState.h>
-
-#include <imgui_node_editor.h>
-
-namespace ed = ax::NodeEditor;
-
-namespace td {
-
-class NodeEditorState : public DisplayState {
-  public:
-	enum class PinType {
-		Flow,
-		Bool,
-		Int,
-		Float,
-		String,
-		Object,
-		Function,
-		Delegate,
-	};
-
-	enum class PinKind { Output, Input };
-
-	enum class NodeType { Blueprint, Simple, Tree, Comment, Houdini };
-
-	struct Pin;
-
-	struct Node {
-		ed::NodeId ID;
-		std::string Name;
-		std::vector<Pin> Inputs;
-		std::vector<Pin> Outputs;
-		ImColor Color;
-		NodeType Type;
-		ImVec2 Size;
-
-		std::string State;
-		std::string SavedState;
-
-		Node(int id, const char* name, ImColor color = ImColor(255, 255, 255)) :
-			ID(id), Name(name), Color(color), Type(NodeType::Blueprint), Size(0, 0) {}
-	};
-
-	struct Pin {
-		ed::PinId ID;
-		::td::NodeEditorState::Node* Node;
-		std::string Name;
-		PinType Type;
-		PinKind Kind;
-
-		Pin(int id, const char* name, PinType type) : ID(id), Node(nullptr), Name(name), Type(type), Kind(PinKind::Input) {}
-	};
-
-	struct Link {
-		ed::LinkId ID;
-
-		ed::PinId StartPinID;
-		ed::PinId EndPinID;
-
-		ImColor Color;
-
-		Link(ed::LinkId id, ed::PinId startPinId, ed::PinId endPinId) :
-			ID(id), StartPinID(startPinId), EndPinID(endPinId), Color(255, 255, 255) {}
-	};
-
-	struct NodeIdLess {
-		bool operator()(const ed::NodeId& lhs, const ed::NodeId& rhs) const {
-			return lhs.AsPointer() < rhs.AsPointer();
-		}
-	};
-
-	int                  m_NextId = 1;
-    const int            m_PinIconSize = 24;
-    std::vector<Node>    m_Nodes;
-    std::vector<Link>    m_Links;
-    ImTextureID          m_HeaderBackground = 0;
-    ImTextureID          m_SaveIcon = 0;
-    ImTextureID          m_RestoreIcon = 0;
-    const float          m_TouchTime = 1.0f;
-    std::map<ed::NodeId, float, NodeIdLess> m_NodeTouchTime;
-    bool                 m_ShowOrdinals = false;
-
-
-  public:
-	NodeEditorState(Display& a_Display);
-	~NodeEditorState();
-
-	virtual void Update(float a_Delta) override;
-
-  private:
-	int GetNextId();
-	ed::LinkId GetNextLinkId();
-	void TouchNode(ed::NodeId id);
-	float GetTouchProgress(ed::NodeId id);
-	void UpdateTouch();
-	Node* FindNode(ed::NodeId id);
-	Link* FindLink(ed::LinkId id);
-	Pin* FindPin(ed::PinId id);
-	bool IsPinLinked(ed::PinId id);
-	bool CanCreateLink(Pin* a, Pin* b);
-	void BuildNode(Node* node);
-	Node* SpawnInputActionNode();
-	Node* SpawnBranchNode();
-	Node* SpawnDoNNode();
-	Node* SpawnOutputActionNode();
-	Node* SpawnPrintStringNode();
-	Node* SpawnMessageNode();
-	Node* SpawnSetTimerNode();
-	Node* SpawnLessNode();
-	Node* SpawnWeirdNode();
-	Node* SpawnTraceByChannelNode();
-	Node* SpawnTreeSequenceNode();
-	Node* SpawnTreeTaskNode();
-	Node* SpawnTreeTask2Node();
-	Node* SpawnComment();
-	Node* SpawnHoudiniTransformNode();
-	Node* SpawnHoudiniGroupNode();
-	void BuildNodes();
-	ImColor GetIconColor(PinType type);
-	void DrawPinIcon(const Pin& pin, bool connected, int alpha);
-	void ShowStyleEditor(bool* show = nullptr);
-	void ShowLeftPane(float paneWidth);
-};
-
-}  // namespace td

lib/imgui-node.lua

@@ -1,6 +0,0 @@
-
-target("imgui-node-editor")
-	set_kind("static")
-	add_files("imgui-node-editor/**.cpp")
-	add_includedirs("imgui-node-editor", {public = true})
-	add_packages("imgui")

src/main.cpp

@@ -1,18 +1,68 @@
-#include <chrono>
-#include <td/display/state/NodeEditorState.h>
-#include <td/misc/Time.h>
+// #include <chrono>
+// #include <td/display/state/MainMenuState.h>
+// #include <td/misc/Time.h>
+
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+void some_function() {
+	std::cout << "some function!" << std::endl;
+}
+
+void some_other_function() {
+	std::cout << "some other function!" << std::endl;
+}
+
+struct some_class {
+	int variable = 30;
+
+	double member_function() {
+		return 24.5;
+	}
+};
 
 int main(int argc, char** argv) {
 	// init GL context
-	td::Display display(1920, 1080, "Tower-Defense 2");
+	// td::Display display(1920, 1080, "Tower-Defense 2");
 
-	display.ChangeState<td::NodeEditorState>();
+	// display.ChangeState<td::MainMenuState>();
 
-	td::Timer timer;
-	while (!display.IsCloseRequested()) {
-		display.PollEvents();
-		display.Update(timer.GetDelta());
-	}
+	// td::Timer timer;
+	// while (!display.IsCloseRequested()) {
+	// 	display.PollEvents();
+	// 	display.Update(timer.GetDelta());
+	// }
+
+	std::cout << "=== functions (all) ===" << std::endl;
+	
+	sol::state lua;
+	lua.open_libraries(sol::lib::base);
+
+	// put an instance of "some_class" into lua
+	// (we'll go into more detail about this later
+	// just know here that it works and is
+	// put into lua as a userdata
+	lua.set("sc", some_class());
+
+	// binds a plain function
+	lua["f1"] = some_function;
+	lua.set_function("f2", &some_other_function);
+
+	// binds just the member function
+	lua["m1"] = &some_class::member_function;
+
+	// binds the class to the type
+	lua.set_function("m2", &some_class::member_function, some_class{});
+
+	// binds just the member variable as a function
+	lua["v1"] = &some_class::variable;
+
+	// binds class with member variable as function
+	lua.set_function("v2", &some_class::variable, some_class{});
+
+	lua.script_file("test/main.lua");
+
+	std::cout << std::endl;
 
 	return 0;
 }

test/main.lua

@@ -0,0 +1,24 @@
+f1() -- some function!
+f2() -- some other function!
+
+-- need class instance if you don't bind it with the function
+print(m1(sc)) -- 24.5
+-- does not need class instance: was bound to lua with one 
+print(m2()) -- 24.5
+
+-- need class instance if you 
+-- don't bind it with the function
+print(v1(sc)) -- 30
+-- does not need class instance: 
+-- it was bound with one 
+print(v2()) -- 30
+
+-- can set, still 
+-- requires instance
+v1(sc, 212)
+-- can set, does not need 
+-- class instance: was bound with one 
+v2(254)
+
+print(v1(sc)) -- 212
+print(v2()) -- 254

xmake.lua

@@ -2,7 +2,8 @@ add_rules("mode.debug", "mode.release")
 
 add_repositories("persson-repo https://git.ale-pri.com/Persson-dev/xmake-repo.git")
 
-add_requires("imgui[sdl3,opengl3] 1.92.1", "splib 2.3.2", "zlib", "glew", "fpm", "enet6")
+add_requires("imgui 1.92.0", {configs = {sdl3 = true, opengl3 = true}})
+add_requires("libsdl3 3.2.16", "splib 2.3.2", "zlib", "glew", "fpm", "enet6", "sol2")
 
 set_languages("c++20")
 
@@ -16,16 +17,13 @@ else
     set_policy("build.sanitizer.undefined", true)
 end
 
-includes("lib/*.lua")
-
 target("Tower-Defense2")
     add_includedirs("include", {public = true})
     set_kind("binary")
     add_files("src/**.cpp")
-    add_packages("libsdl3", "imgui", "glew", "splib", "zlib", "fpm", "enet6", {public = true})
+    add_packages("libsdl3", "imgui", "glew", "splib", "zlib", "fpm", "enet6", "sol2", {public = true})
     set_rundir(".")
     add_defines("TD_GL_LOADER_GLEW")
-    add_deps("imgui-node-editor")
 
 
 -- Tests