From 55c27a883b8c137d89ca8e03d988f37d52242829 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Mon, 12 Feb 2024 08:20:24 +0800
Subject: [PATCH] init empty BlinnPhongDirectionLight example

---
 example/Gizmo/PlaneGrid3D.cpp                 |   7 +-
 example/Gizmo/RayPicking.cpp                  |   7 +-
 .../LightBasic/BlinnPhongDirectionLight.cpp   | 136 ++++++++++++++++++
 3 files changed, 140 insertions(+), 10 deletions(-)

diff --git a/example/Gizmo/PlaneGrid3D.cpp b/example/Gizmo/PlaneGrid3D.cpp
index 9d18940b..77c470aa 100644
--- a/example/Gizmo/PlaneGrid3D.cpp
+++ b/example/Gizmo/PlaneGrid3D.cpp
@@ -56,11 +56,8 @@ private:
 
         struct PlaneGridCreateInfo pgci;
 
-        pgci.grid_size.width =32;
-        pgci.grid_size.height=32;
-
-        pgci.sub_count.width =8;
-        pgci.sub_count.height=8;
+        pgci.grid_size.Set(32,32);
+        pgci.sub_count.Set(8,8);
 
         pgci.lum=0.5;
         pgci.sub_lum=1.0;
diff --git a/example/Gizmo/RayPicking.cpp b/example/Gizmo/RayPicking.cpp
index 55988fc3..c69c7168 100644
--- a/example/Gizmo/RayPicking.cpp
+++ b/example/Gizmo/RayPicking.cpp
@@ -93,11 +93,8 @@ private:
         {
             struct PlaneGridCreateInfo pgci;
 
-            pgci.grid_size.width =32;
-            pgci.grid_size.height=32;
-
-            pgci.sub_count.width =8;
-            pgci.sub_count.height=8;
+            pgci.grid_size.Set(32,32);
+            pgci.sub_count.Set(8,8);
 
             pgci.lum=0.5;
             pgci.sub_lum=0.75;
diff --git a/example/LightBasic/BlinnPhongDirectionLight.cpp b/example/LightBasic/BlinnPhongDirectionLight.cpp
index e69de29b..198e7faa 100644
--- a/example/LightBasic/BlinnPhongDirectionLight.cpp
+++ b/example/LightBasic/BlinnPhongDirectionLight.cpp
@@ -0,0 +1,136 @@
+// BlinnPhong direction light
+
+#include"VulkanAppFramework.h"
+#include<hgl/filesystem/FileSystem.h>
+#include<hgl/graph/InlineGeometry.h>
+#include<hgl/graph/VKRenderResource.h>
+#include<hgl/graph/RenderList.h>
+#include<hgl/graph/Camera.h>
+#include<hgl/graph/Ray.h>
+#include<hgl/graph/VKVertexAttribBuffer.h>
+#include<hgl/graph/mtl/Material3DCreateConfig.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+static float position_data[2][3]=
+{
+    {100,100,100},
+    {0,0,0}
+};
+
+static float lumiance_data[2]={1,1};
+
+static Color4f white_color(1,1,1,1);
+
+class TestApp:public SceneAppFramework
+{
+    Color4f color;
+
+    DeviceBuffer *ubo_color=nullptr;
+
+private:
+
+    Material *          material            =nullptr;
+    MaterialInstance *  mi_plane_grid       =nullptr;
+
+    Pipeline *          pipeline            =nullptr;
+
+    Primitive *         ro_plane_grid       =nullptr;
+
+    VBO *               vbo_pos             =nullptr;
+
+private:
+
+    bool InitMaterialAndPipeline()
+    {
+        mtl::Material3DCreateConfig cfg(device->GetDeviceAttribute(),"VertexLuminance3D",Prim::Lines);
+
+        cfg.local_to_world=true;
+
+        material=db->LoadMaterial("Std3D/VertexLum3D",&cfg);
+        if(!material)return(false);
+
+        mi_plane_grid=db->CreateMaterialInstance(material,nullptr,&white_color);
+        if(!mi_plane_grid)return(false);
+
+        pipeline=CreatePipeline(material,InlinePipeline::Solid3D,Prim::Lines);
+
+        if(!pipeline)
+            return(false);
+
+        return(true);
+    }
+    
+    Renderable *Add(Primitive *r,MaterialInstance *mi)
+    {
+        Renderable *ri=db->CreateRenderable(r,mi,pipeline);
+
+        if(!ri)
+        {
+            LOG_ERROR(OS_TEXT("Create Renderable failed."));
+            return(nullptr);
+        }
+
+        render_root.CreateSubNode(ri);
+
+        return ri;
+    }
+
+    bool CreateRenderObject()
+    {
+        using namespace inline_geometry;
+
+        {
+            struct PlaneGridCreateInfo pgci;
+
+            pgci.grid_size.Set(32,32);
+            pgci.sub_count.Set(8,8);
+
+            pgci.lum=0.5;
+            pgci.sub_lum=0.75;
+
+            ro_plane_grid=CreatePlaneGrid(db,material->GetDefaultVIL(),&pgci);
+        }
+
+        return(true);
+    }
+
+    bool InitScene()
+    {
+        Add(ro_plane_grid,mi_plane_grid);
+
+        camera->pos=Vector3f(32,32,32);
+        camera_control->SetTarget(Vector3f(0,0,0));
+        camera_control->Refresh();
+
+        render_root.RefreshMatrix();
+        render_list->Expend(&render_root);
+
+        return(true);
+    }
+
+public:
+
+    bool Init(uint w,uint h)
+    {        
+        if(!SceneAppFramework::Init(w,h))
+            return(false);
+
+        if(!InitMaterialAndPipeline())
+            return(false);
+
+        if(!CreateRenderObject())
+            return(false);
+
+        if(!InitScene())
+            return(false);
+
+        return(true);
+    }
+};//class TestApp:public CameraAppFramework
+
+int main(int,char **)
+{
+    return RunApp<TestApp>(1280,720);
+}