using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AcknexWrapper;

namespace Test
{
    class Program
    {
        //the main method, called by the scheduler
        private static IEnumerable<ScheduleMethod> myMainMethod()
        {
            EngFun.level_load(null);

            yield return 1;

            ENTITY terrain =             
                ENTITY.ent_createterrain(null, new Vector(100, 0, -5), 10, 10, 5);

            // wait a frame, before changing the terrain !
            yield return 1;

            CONTACT c =
                terrain.ent_getvertex(null, 7);

            c.z += 10;  // increase the vertex height
            c.v = null; // c.x,y,z was changed, instead of c.v      
            terrain.ent_setvertex(c, 7);    // update the mesh

            terrain.ent_fixnormals(0);
        }

        static void Main(string[] args)
        {
            //open the engine
            EngFun.engine_open(null, null);

            //start the scheduler
            Scheduler.StartScheduler(myMainMethod);
        }
    }
}

// we can't use default.c because there f1 - f4 are already preset with some other stuff !

#include <acknex.h>

ENTITY *demoTerrain;
ENTITY *demoModel;

void MorphTerrain()
{
	int i;
	
	for (i = 0; i < ent_status(demoTerrain, 0); i++)
	{
		CONTACT *c = ent_getvertex(demoTerrain, NULL, i);
		c.z += random(10);
		c.v = NULL;
		ent_setvertex(demoTerrain, c, i);
	}
}

void MorphModel()
{
	int i;
	
	for (i = 0; i < ent_status(demoModel, 0); i++)
	{
		CONTACT *c = ent_getvertex(demoModel, NULL, i);
		c.z += random(10);
		c.v = NULL;
		ent_setvertex(demoModel, c, i);
	}
}

void FixNormalsTerrain()
{
	ent_fixnormals(demoTerrain, 0);
}

void FixNormalsModel()
{
	ent_fixnormals(demoModel, 0);
}

void SetUpDemo()
{
	camera.x = -1676;
	camera.y = 432;
	camera.z = 1126;
	camera.pan = 0;
	camera.tilt = -35;
	
	BMAP *grey = bmap_createblack(512, 512, 24);
	bmap_fill(grey, vector(128,128,128), 100);
	demoTerrain = ent_createterrain(grey, vector(0,0,0), 16, 16, 64);
	
	demoModel = ent_create("plane.mdl", vector(0, 1040, 0), NULL);
}

int main()
{
	mouse_mode = 4;
	mouse_pointer = 2;
	mouse_sync = 1;
	video_switch(10, 32, 2);
	wait(1);
	level_load(NULL);
	sun_light = 100;
	sun_pos.x = 80;
	sun_pos.y = 154;
	sun_pos.z = 0;
	SetUpDemo();
	
	on_f1 = MorphTerrain;
	on_f2 = FixNormalsTerrain;
	on_f3 = MorphModel;
	on_f4 = FixNormalsModel;
}

Vector temp = new Vector(2, 3, 4);
entity.xyz = temp;

temp.x = 2000;

// I would expect entity.x now to be 2000 ! but it wouldn't be that way !