ULRE/example/Gizmo/PlaneGrid3D.cpp

// PlaneGrid3D

#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/VKRenderablePrimitiveCreater.h>
#include<hgl/graph/mtl/Material3DCreateConfig.h>

using namespace hgl;
using namespace hgl::graph;

class TestApp:public SceneAppFramework
{
private:

    Material *          material            =nullptr;
    Pipeline *          pipeline            =nullptr;

    Primitive *         ro_plane_grid       =nullptr;
    MaterialInstance *  material_instance[3]{};

private:

    bool InitMDP()
    {
        mtl::Material3DCreateConfig cfg(device->GetDeviceAttribute(),"VertexLuminance3D",Prim::Lines);

        cfg.local_to_world=true;

        material=db->LoadMaterial("Std3D/VertexLum3D",&cfg);
        if(!material)return(false);

        Color4f GridColor;
        COLOR ce=COLOR::BlenderAxisRed;

        for(uint i=0;i<3;i++)
        {
            GridColor=GetColor4f(ce,1.0);

            material_instance[i]=db->CreateMaterialInstance(material,nullptr,&GridColor);

            ce=COLOR((int)ce+1);
        }
        
        pipeline=CreatePipeline(material,InlinePipeline::Solid3D,Prim::Lines);

        return pipeline;
    }

    bool CreateRenderObject()
    {
        using namespace inline_geometry;

        struct PlaneGridCreateInfo pgci;

        pgci.grid_size.width =32;
        pgci.grid_size.height=32;

        pgci.sub_count.width =8;
        pgci.sub_count.height=8;

        pgci.lum=0.5;
        pgci.sub_lum=1.0;

        ro_plane_grid=CreatePlaneGrid(db,material->GetDefaultVIL(),&pgci);

        return ro_plane_grid;
    }
    
    Renderable *Add(MaterialInstance *mi,const Matrix4f &mat)
    {
        Renderable *ri=db->CreateRenderable(ro_plane_grid,mi,pipeline);

        if(!ri)
            return(nullptr);

        render_root.CreateSubNode(mat,ri);

        return ri;
    }

    bool InitScene()
    {
        Add(material_instance[0],Matrix4f(1.0f));
        Add(material_instance[1],rotate(HGL_RAD_90,0,1,0));
        Add(material_instance[2],rotate(HGL_RAD_90,1,0,0));

        camera->pos=Vector3f(32,32,32);
        camera_control->SetTarget(Vector3f(0,0,0));
        camera_control->Refresh();

//        camera_control->SetReserveDirection(true,true);        //反转x,y

        render_root.RefreshMatrix();
        render_list->Expend(&render_root);

        return(true);
    }

public:

    bool Init(uint width,uint height) override
    {
        if(!SceneAppFramework::Init(width,height))
            return(false);

        if(!InitMDP())
            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);
}