#include <default.c>
#include <d3d9.h>

#define NVB 8  // Vertices
#define NIB 34 // Indexes
#define NAB 12 // Attributes

LPD3DXMESH pMesh;
D3DVERTEX pvb[NVB];
short pib[NIB];
long  pab[NAB];

ENTITY* ent;

MATERIAL* m2sided ={effect="technique TS{pass p0{CullMode=1;}}";}

void export_obj(ENTITY *entity, var scale);

function recreate_mesh(ENTITY *entity)
{	
	//printf("Total number of mesh vertices = %d", (long)ent_status(entity, 1));
	
	int num_triangles = NAB;
	int num_vertices  = NVB;
	
	// Vertices

	pvb[0].x = -8;pvb[0].y =  8;pvb[0].z = -8;	pvb[0].u1 = 0;pvb[0].v1 = 1;
	pvb[1].x =  8;pvb[1].y =  8;pvb[1].z = -8;	pvb[1].u1 = 1;pvb[1].v1 = 1;
	pvb[2].x =  8;pvb[2].y =  8;pvb[2].z =  8;	pvb[2].u1 = 0;pvb[2].v1 = 1;
	pvb[3].x = -8;pvb[3].y =  8;pvb[3].z =  8;	pvb[3].u1 = 1;pvb[3].v1 = 1;
	pvb[4].x = -8;pvb[4].y = -8;pvb[4].z = -8;	pvb[4].u1 = 0;pvb[4].v1 = 0;
	pvb[5].x =  8;pvb[5].y = -8;pvb[5].z = -8;	pvb[5].u1 = 1;pvb[5].v1 = 0;
	pvb[6].x =  8;pvb[6].y = -8;pvb[6].z =  8;	pvb[6].u1 = 0;pvb[6].v1 = 0;
	pvb[7].x = -8;pvb[7].y = -8;pvb[7].z =  8;	pvb[7].u1 = 1;pvb[7].v1 = 0;
	
	// Triangles / Attributes
	
	pib[ 0] = 6;pib[ 1] = 2;pib[ 2] = 7; pab[ 0] = 0;
	pib[ 3] = 3;pib[ 4] = 7;pib[ 5] = 2; pab[ 1] = 0;
	pib[ 6] = 7;pib[ 7] = 3;pib[ 8] = 4; pab[ 2] = 0;
	pib[ 9] = 0;pib[10] = 4;pib[11] = 3; pab[ 3] = 0;
	pib[12] = 4;pib[13] = 0;pib[14] = 5; pab[ 4] = 0;
	pib[15] = 1;pib[16] = 5;pib[17] = 0; pab[ 5] = 0;
	pib[18] = 5;pib[19] = 1;pib[20] = 6; pab[ 6] = 0;
	pib[21] = 2;pib[22] = 6;pib[23] = 1; pab[ 7] = 0;
	pib[24] = 7;pib[25] = 4;pib[26] = 6; pab[ 8] = 0;
	pib[27] = 5;pib[28] = 6;pib[29] = 4; pab[ 9] = 0;
	pib[30] = 3;pib[31] = 0;pib[32] = 2; pab[10] = 0;
	pib[33] = 1;pib[34] = 2;pib[35] = 0; pab[11] = 0;
	
	D3DXCreateMesh(num_triangles, num_vertices, D3DXMESH_MANAGED , pvertexdecl, pd3ddev, &pMesh);

	D3DVERTEX *pnewvb;  pMesh->LockVertexBuffer(1, (void**)&pnewvb);
	short *pnewib;  pMesh->LockIndexBuffer(0, (void**)&pnewib);
	long *pnewab;  pMesh->LockAttributeBuffer(0, &pnewab);
	
	memcpy(pnewvb, pvb, num_vertices*ent_status(entity,22));
	memcpy(pnewib, pib, num_triangles*3*sizeof(short));
	memcpy(pnewab, pab, num_triangles*sizeof(long));
	
	
	pMesh->UnlockVertexBuffer();
	pMesh->UnlockIndexBuffer();
	pMesh->UnlockAttributeBuffer();
	
	//int entBuffer = ent_buffers(entity,0,0,&pnewvb,&pnewib,&pnewab);
	//printf("Number of triangles of the mesh = %i", entBuffer);
	
	ent_setmesh(entity, pMesh, 0, 0);
//	export_obj(entity,2);
	//printf("ent_setmesh(entity, pMesh, 0, 0);");
	
	//int entBuffer = ent_buffers(entity,0,0,&pnewvb,&pnewib,&pnewab);
	//printf("Number of triangles of the mesh = %i", entBuffer);

	//printf("Total number of mesh vertices = %d", (long)ent_status(entity, 1));
}

function create_mesh()
{
	ent = ent_create(CUBE_MDL, 0, 0);
	ent_setskin(ent, bmap_create("texture.bmp"), 1);
	set(ent, LIGHT);
	ent.material = m2sided;
	
	//printf("Total number of model skins = %d", (long)ent_status(ent, 8));
	
	ent_clone(ent);
	recreate_mesh(ent);
	wait(2);
//	wait_for(recreate_mesh);
	ent_getvertex(ent,NULL,ent_status(ent,0));
	c_setminmax(ent);
	//printf("Total number of model skins = %d", (long)ent_status(ent, 8));
}

function main()
{
	vec_set(sky_color,COLOR_BLACK);
	level_load("");
	vec_set(camera.x,vector(-50,0,0));
	
	create_mesh();
	wait_for(create_mesh);
	//printf("Total number of mesh vertices = %d", (long)ent_status(ent, 1));
	
	while(1){
		ent.pan +=2*mickey.x*time_step;
		ent.tilt +=2*mickey.y*time_step;
		wait(1);
	}
}

function on_esc_event()
{ 
	pMesh = ent_getmesh(ent,0,0);
	pMesh->Release();
	ent_setmesh(ent,NULL,0,0);wait(1);
	sys_exit("");
}

function shoot_with_mouse() 
{  
  VECTOR to;
  vec_set(to,mouse_dir3d);
  vec_scale(to,1000); // set a range
  vec_add(to,mouse_pos3d);
  c_trace(mouse_pos3d,to,ACTIVATE_SHOOT);
}

function shoot_with_mouse() 
{  
  VECTOR to;
  vec_set(to,mouse_dir3d);
  vec_scale(to,1000); // set a range
  vec_add(to,mouse_pos3d);
  c_trace(mouse_pos3d,to,ACTIVATE_SHOOT);
  vec_set(to,mouse_dir3d);
  vec_scale(to,result); // set the range to the result of the trace
  vec_add(to,mouse_pos3d);//'to' contains now the position on the grid
}