From: John Tsiombikas <nuclear@member.fsf.org>
Date: Wed, 17 Jan 2018 16:55:31 +0000 (+0200)
Subject: debug gui select/hide nodes
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=commitdiff_plain;h=fc00873a180b1b7272d94a32dcc40d0d44ed2b72

debug gui select/hide nodes
---

diff --git a/src/app.cc b/src/app.cc
index d4b516e..8aaaee3 100644
--- a/src/app.cc
+++ b/src/app.cc
@@ -20,6 +20,7 @@
 #include "exman.h"
 #include "blob_exhibit.h"
 #include "dbg_gui.h"
+#include "geomdraw.h"
 
 #define NEAR_CLIP	5.0
 #define FAR_CLIP	10000.0
@@ -483,6 +484,11 @@ static void draw_scene()
 	}
 	*/
 
+	if(debug_gui && dbg_sel_node) {
+		AABox bvol = dbg_sel_node->get_bounds();
+		draw_geom_object(&bvol);
+	}
+
 	if(show_walk_mesh && mscn->walk_mesh) {
 		glPushAttrib(GL_ENABLE_BIT);
 		glEnable(GL_BLEND);
diff --git a/src/dbg_gui.cc b/src/dbg_gui.cc
index 68832ce..c1abce3 100644
--- a/src/dbg_gui.cc
+++ b/src/dbg_gui.cc
@@ -8,6 +8,7 @@
 static void render_func(ImDrawData *ddat);
 
 bool debug_gui, parent_expanded;
+SceneNode *dbg_sel_node;
 
 static ImGuiIO *io;
 static Texture *tex;
diff --git a/src/dbg_gui.h b/src/dbg_gui.h
index f6ff011..69b68aa 100644
--- a/src/dbg_gui.h
+++ b/src/dbg_gui.h
@@ -3,8 +3,11 @@
 
 #include "imgui/imgui.h"
 
+class SceneNode;
+
 extern bool debug_gui;
 extern bool parent_expanded;
+extern SceneNode *dbg_sel_node;
 
 bool init_debug_gui();
 void cleanup_debug_gui();
diff --git a/src/metascene.cc b/src/metascene.cc
index 64946cb..d9f96fb 100644
--- a/src/metascene.cc
+++ b/src/metascene.cc
@@ -78,6 +78,14 @@ void MetaScene::update(float dt)
 	static char text[256];
 	if(debug_gui) {
 		ImGui::Begin("MetaScene nodes", 0, 0);
+		ImGui::Columns(2);
+
+		static bool once;
+		if(!once) {
+			float x = ImGui::GetColumnOffset(1);
+			ImGui::SetColumnOffset(1, x * 1.7);
+			once = true;
+		}
 	}
 
 	int nscn = scenes.size();
@@ -90,6 +98,8 @@ void MetaScene::update(float dt)
 				sprintf(text, "scene %3d: %s", i, scenes[i]->name.c_str());
 			}
 			expanded = parent_expanded = ImGui::TreeNode(text);
+			ImGui::NextColumn();
+			ImGui::NextColumn();
 		}
 
 		scenes[i]->update(dt);
@@ -100,10 +110,12 @@ void MetaScene::update(float dt)
 	}
 
 	if(debug_gui) {
+		ImGui::Columns(1);
 		ImGui::End();
 	}
 }
 
+// XXX not used, renderer draws
 void MetaScene::draw() const
 {
 	int nscn = scenes.size();
diff --git a/src/renderer.cc b/src/renderer.cc
index 0987b0d..bb274f2 100644
--- a/src/renderer.cc
+++ b/src/renderer.cc
@@ -45,5 +45,17 @@ void Renderer::draw() const
 
 void Renderer::draw_object(Object *obj) const
 {
-	obj->draw();
+	bool vis = true;
+	SceneNode *n = obj->node;
+	while(n) {
+		if(!n->visible) {
+			vis = false;
+			break;
+		}
+		n = n->get_parent();
+	}
+
+	if(vis) {
+		obj->draw();
+	}
 }
diff --git a/src/snode.cc b/src/snode.cc
index fd37f24..b171f35 100644
--- a/src/snode.cc
+++ b/src/snode.cc
@@ -11,6 +11,7 @@ SceneNode::SceneNode()
 	scene = 0;
 	parent = 0;
 	name = 0;
+	visible = true;
 	local_bvol_valid = false;
 }
 
@@ -20,6 +21,7 @@ SceneNode::SceneNode(Object *obj)
 	scene = 0;
 	parent = 0;
 	name = 0;
+	visible = true;
 	local_bvol_valid = false;
 	add_object(obj);
 }
@@ -205,8 +207,21 @@ void SceneNode::update(float dt)
 
 	if(debug_gui) {
 		if(parent_expanded) {
-			int flags = children.empty() ? ImGuiTreeNodeFlags_Leaf : 0;
+			ImGui::PushID(this);
+			ImGui::AlignTextToFramePadding();
+
+			int flags = ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
+			if(children.empty()) flags |= ImGuiTreeNodeFlags_Leaf;
+			if(dbg_sel_node == this) flags |= ImGuiTreeNodeFlags_Selected;
 			expanded = ImGui::TreeNodeEx(name ? name : "<nameless node>", flags);
+			if(ImGui::IsItemClicked()) {
+				dbg_sel_node = this;
+			}
+
+			ImGui::NextColumn();
+			ImGui::Checkbox("##vis", &visible);
+			ImGui::NextColumn();
+			ImGui::PopID();
 		}
 	}
 
diff --git a/src/snode.h b/src/snode.h
index 94ccb6a..6fa52ba 100644
--- a/src/snode.h
+++ b/src/snode.h
@@ -30,6 +30,7 @@ private:
 public:
 	Scene *scene;	// scene to which this node belongs
 	Mat4 dbg_xform;
+	bool visible;	// if true, objects of this node are supposed to be visible
 
 	SceneNode();
 	explicit SceneNode(Object *obj);