WIP

client/init.lua

@@ -81,7 +81,6 @@ dofile(__buildat_get_path("share").."/client/api.lua")
 dofile(__buildat_get_path("share").."/client/packet.lua")
 dofile(__buildat_get_path("share").."/client/extensions.lua")
 dofile(__buildat_get_path("share").."/client/sandbox.lua")
-dofile(__buildat_get_path("share").."/client/misc.lua")
 
 local test = require("buildat/extension/test")
 test.f()

client/misc.lua

@@ -1,16 +0,0 @@
--- Buildat: client/misc.lua
--- http://www.apache.org/licenses/LICENSE-2.0
--- Copyright 2014 Perttu Ahola <celeron55@gmail.com>
-local log = buildat.Logger("__client/misc")
-
--- Replicated scene from the server
-__buildat_sync_scene = nil
-
--- Called by the client application
-function __buildat_set_sync_scene(scene)
-	assert(scene)
-	log:verbose("__buildat_set_sync_scene(): ok")
-	__buildat_sync_scene = scene
-end
-
--- vim: set noet ts=4 sw=4:

extensions/entitysync/init.lua

@@ -7,8 +7,9 @@ local magic = unsafe_magic.safe
 local dump = buildat.dump
 local M = {safe = {}}
 
+-- TODO
 --M.safe.scene = getmetatable(magic.Scene).wrap(__buildat_sync_scene)
-M.safe.scene = __buildat_sync_scene
+--M.safe.scene = __buildat_sync_scene
 --__buildat_sandbox_debug_check_value(M.safe.scene)
 
 return M

extensions/urho3d/safe_classes.lua

@@ -254,14 +254,32 @@ function M.define(dst, util)
 				return util.wrap_instance("Viewport", Viewport:new(scene, camera_component))
 			end),
 		},
+		instance = {
+			GetScene = util.wrap_function({"Viewport"},
+				function(self)
+					return util.wrap_instance("Scene", self:GetScene())
+				end
+			),
+			GetCamera = util.wrap_function({"Viewport"},
+				function(self)
+					return util.wrap_instance("Camera", self:GetCamera())
+				end
+			),
+		},
 	})
 
 	util.wc("Renderer", {
 		instance = {
 			SetViewport = util.wrap_function({"Renderer", "number", "Viewport"},
-			function(self, index, viewport)
-				self:SetViewport(index, viewport)
-			end),
+				function(self, index, viewport)
+					self:SetViewport(index, viewport)
+				end
+			),
+			GetViewport = util.wrap_function({"Renderer", "number"},
+				function(self, index)
+					return util.wrap_instance("Viewport", self:GetViewport(index))
+				end
+			),
 		},
 	})
 

games/entitytest/main/client_lua/init.lua

@@ -6,15 +6,15 @@ local log = buildat.Logger("minigame")
 local dump = buildat.dump
 local cereal = require("buildat/extension/cereal")
 local magic = require("buildat/extension/urho3d")
-local entitysync = require("buildat/extension/entitysync")
 
 -- 3D things
 
---scene = magic.Scene()
-local scene = entitysync.scene
-local plane_node = scene:CreateChild("Plane")
---[[
-scene:CreateComponent("Octree")
+-- Viewport 0 is created in C++. It is set to view the network-synchronized
+-- scene with one camera.
+-- NOTE: This won't work this way in the future.
+local viewport = magic.renderer:GetViewport(0)
+local scene = viewport:GetScene()
+local camera = viewport:GetCamera()
 
 -- Note that naming the scene nodes is optional
 local plane_node = scene:CreateChild("Plane")
@@ -40,16 +40,6 @@ light = light_node:CreateComponent("Light")
 light.lightType = magic.LIGHT_DIRECTIONAL
 light.brightness = 0.2
 
--- Add a camera so we can look at the scene
-local camera_node = scene:CreateChild("Camera")
-camera_node:CreateComponent("Camera")
-camera_node.position = magic.Vector3(7.0, 7.0, 7.0)
---camera_node.rotation = Quaternion(0, 0, 0.0)
-camera_node:LookAt(magic.Vector3(0, 1, 0))
--- And this thing so the camera is shown on the screen
-local viewport = magic.Viewport:new(scene, camera_node:GetComponent("Camera"))
-magic.renderer:SetViewport(0, viewport)
-
 -- Add some text
 local title_text = magic.ui.root:CreateChild("Text")
 title_text:SetText("minigame/init.lua")

src/client/app.cpp

@@ -25,6 +25,10 @@
 #include <XMLFile.h>
 #include <Scene.h>
 #include <LuaFunction.h>
+#include <Viewport.h>
+#include <Camera.h>
+#include <Renderer.h>
+#include <Octree.h>
 #pragma GCC diagnostic pop
 extern "C" {
 #include <lua.h>
@@ -59,6 +63,7 @@ struct CApp: public App, public magic::Application
 	Options m_options;
 
 	magic::SharedPtr<magic::Scene> m_scene;
+	magic::SharedPtr<magic::Node> m_camera_node;
 
 	CApp(magic::Context *context, const Options &options):
 		magic::Application(context),
@@ -287,16 +292,31 @@ struct CApp: public App, public magic::Application
 		// files.
 		buildat_guard_enable(true);
 
-		// Create a scene that will be synchronized from the server and set it
-		// as a global
+		// Create a scene that will be synchronized from the server
 		m_scene = new magic::Scene(context_);
-		magic::WeakPtr<magic::LuaFunction> f =
+		m_scene->CreateComponent<magic::Octree>();
+
+		// Create a camera and a viewport for the scene. The scene can then be
+		// accessed in Lua by magic.renderer:GetViewport(0):GetScene().
+		m_camera_node = m_scene->CreateChild("Camera", magic::LOCAL);
+		magic::Camera* camera = m_camera_node->CreateComponent<magic::Camera>();
+		camera->SetFarClip(300.0f);
+		m_camera_node->SetPosition(magic::Vector3(7.0, 7.0, 7.0));
+		m_camera_node->LookAt(magic::Vector3(0, 1, 0));
+
+		magic::Renderer* renderer = GetSubsystem<magic::Renderer>();
+		magic::SharedPtr<magic::Viewport> viewport(new magic::Viewport(
+				context_, m_scene, m_camera_node->GetComponent<magic::Camera>()));
+		renderer->SetViewport(0, viewport);
+
+		// Won't work; accessing the resulting value in Lua segfaults.
+		/*magic::WeakPtr<magic::LuaFunction> f =
 				m_script->GetFunction("__buildat_set_sync_scene");
 		if(!f)
 			throw Exception("__buildat_set_sync_scene not found");
 		f->BeginCall();
 		f->PushUserType(m_scene.Get(), "Scene");
-		f->EndCall();
+		f->EndCall();*/
 
 		// Launch menu if requested
 		if(g_client_config.boot_to_menu){