#include <math.h>
#include <stdlib.h>
#include "SceneGraphRoot.h"
#include "MainLoop.h"
#include "create_task.h"
#include "types.h"
#include "Func.h"
#include "SgChange.h"

Property *property, *update_property;

// prototype
static void move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
static void collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h, SceneGraphPtr tree);
static void createSceneGraphFromProperty(SchedTask *s, void *sgroot, void *arg1);

static void
move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
{
    SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
    TaskManager *manager = sgroot->tmanager;
    HTaskPtr property_task = manager->create_task(PropertyTask);

    property_task->add_inData(property, sizeof(Property));
    property_task->add_outData(update_property, sizeof(Property));
    property_task->set_cpu(SPE_ANY);

    property_task->set_post(createSceneGraphFromProperty, (void *)sgroot, 0);
    property_task->spawn();
}

static void
collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h,
	  SceneGraphPtr tree)
{
}

static void
createSceneGraphFromProperty(SchedTask *s, void *sgroot_, void *arg1)
{
    SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
    SceneGraphPtr node;

    node = sgroot->createSceneGraph(update_property->name);
    //node = sgroot->createSceneGraph("Ball");
    node->set_move_collision(move, collision);
    node->xyz[0] = update_property->xyz[0];
    node->xyz[1] = update_property->xyz[1];
    node->xyz[2] = update_property->xyz[2];
    sgroot->setSceneData(node);

    Property *tmp = property;
    property = update_property;
    update_property = tmp;
    
}

static void
set_property(Property *p, SceneGraphPtr sg)
{
    p->xyz[0] = sg->xyz[0];
    p->xyz[1] = sg->xyz[1];
    p->xyz[2] = sg->xyz[2];
    p->name = sg->name;
}

MainLoopPtr 
create_task::init(Viewer *viewer, int screen_w, int screen_h)
{
    // SgChange を使うための2行
    SgChange *sgroot = new SgChange(viewer);
    sgroot->run_init();

    property        = (Property *)sgroot->manager->allocate(sizeof(Property));
    update_property = (Property *)sgroot->manager->allocate(sizeof(Property));

    SceneGraphPtr ball;

    sgroot->createFromXMLfile("xml_file/Ball.xml");

    ball = sgroot->createSceneGraph("Ball");
    ball->set_move_collision(move, collision);

    ball->xyz[0] = screen_w/2;
    ball->xyz[1] = screen_h/2;
    ball->xyz[2] = 30.0f;

    set_property(property, ball);
    
    sgroot->setSceneData(ball);

    return sgroot;
}

extern Application *
application() {
    return new create_task();
}

const char *usr_help_str = "Usage: ./test_nogl [OPTION]\n";

extern int init(TaskManager *manager, int argc, char *argv[]);
extern void task_initialize();
static void TMend(TaskManager *manager);

int
TMmain(TaskManager *manager, int argc, char *argv[])
{
    task_initialize();
    manager->set_TMend(TMend);
    return init(manager, argc, argv);

}

void
TMend(TaskManager *manager)
{
    printf("test_nogl end\n");
}

/* end */