Exemplo n.º 1
0
def genedgespanvert(p, cube, v):
    p1 = ivec(8 - p.x, p.y, p.z)
    p2 = ivec(p.x, 8 - p.y, p.z)
    p3 = ivec(p.x, p.y, 8 - p.z)

    plane1 = Plane()
    plane2 = Plane()
    plane3 = Plane()

    genvertp(cube, p, p1, p2, plane1)
    genvertp(cube, p, p2, p3, plane2)
    genvertp(cube, p, p3, p1, plane3)

    if plane1 == plane2:
        genvertp(cube, p, p1, p2, plane1, True)
    if plane1 == plane3:
        genvertp(cube, p, p1, p2, plane1, True)
    if plane2 == plane3:
        genvertp(cube, p, p2, p3, plane2, True)

    assert threeplaneintersect(plane1, plane2, plane3, v)

    v.x = max(0.0, min(8.0, v.x))
    v.y = max(0.0, min(8.0, v.y))
    v.z = max(0.0, min(8.0, v.z))
Exemplo n.º 2
0
def occludesface(c, orient, o, size, vo, vsize, vmat, nmat, matmask, vf, numv):
    dim = dimension(orient)

    if c.children == 0:
        if nmat != empty_material_types.MAT_AIR and (c.material & matmask) == nmat:
            nf = [facevec() for _ in xrange(8)]
            return clipfacevecs(vf, numv, o[C[dim]], o[R[dim]], size, nf) < 3

        if c.isentirelysolid():
            return True

        if vmat != empty_material_types.MAT_AIR and (
            (c.material & matmask) == vmat
            or (isliquid(vmat) and isclipped(c.material & material_types.MATF_VOLUME))
        ):
            return True

        if touchingface(c, orient) and faceedges(c, orient) == F_SOLID:
            return True

        cf = [facevec() for _ in xrange(8)]
        numc = clipfacevecs(vf, numv, o[C[dim]], o[R[dim]], size, cf)

        if numc < 3:
            return True

        if c.isempty() or notouchingface(c, orient):
            return False

        of = [facevec() for _ in xrange(4)]

        numo = genfacevecs(c, orient, o, size, False, of)

        return numo >= 3 and insideface(cf, numc, of, numo)

    size >>= 1
    coord = dimcoord(orient)

    for i in xrange(8):
        if octacoord(dim, i) == coord:
            if (
                occludesface(
                    c.children[i],
                    orient,
                    ivec(i, o.x, o.y, o.z, size),
                    size,
                    vo,
                    vsize,
                    vmat,
                    nmat,
                    matmask,
                    vf,
                    numv,
                )
                == 0
            ):
                return False

    return True
Exemplo n.º 3
0
def faceconvexity(*args):
    if len(args) == 1 and isinstance(args[0], (list, tuple)):
        v = args[0]

        n = ivec()
        n.cross(ivec(v[1]).sub(v[0]), ivec(v[2]).sub(v[0]))
        return ivec(v[0]).sub(v[3]).dot(n)
        # 1 if convex, -1 if concave, 0 if flat

    elif len(args) == 2 and isinstance(args[0], Cube):
        c, orient = args

        if flataxisface(c, orient):
            return 0

        v = [None] * 4
        genfaceverts(c, orient, v)
        return faceconvexity(v)
Exemplo n.º 4
0
def neighbourcube(c, cube_map, orient, x, y, z, size, ro, rsize):
    worldsize = cube_map.meta_data["wordsize"]

    n = ivec(x, y, z)
    dim = dimension(orient)
    diff = n[dim]

    if dimcoord(orient):
        n[dim] += size
    else:
        n[dim] -= size

    diff ^= n[dim]

    if diff >= uint(worldsize):
        ro = n
        rsize = size
        return c

    scale = worldscale

    nc = cube_map.octants

    if neighbourdepth >= 0:
        scale -= neighbourdepth + 1
        diff >>= scale

        while 1:
            scale += 1
            dif >>= 1
            if diff == 0:
                break

        nc = neighbourstack[worldscale - scale]

    scale -= 1

    nc = nc[octastep(n.x, n.y, n.z, scale)]
    if (size >> scale == 0) and nc.children is not None:
        while 1:
            scale -= 1
            nc = nc[0].children[octastep(n.x, n.y, n.z, scale)]

            if (size >> scale == 0) and nc.children is not None:
                break

    ro = n.mask(~0 << scale)
    rsize = 1 << scale
    return nc[0]
Exemplo n.º 5
0
def save_map(map_filename, cube_map):
    nolms = True

    with gzip.open(map_filename, "w") as f:
        f.write(struct.pack("4s", "OCTA"))
        writeint(f, MAPVERSION)
        writeint(f, 40)  # header size
        writeint(f, cube_map.meta_data["wordsize"])  # world size
        writeint(f, 0)  # num ents
        writeint(f, 0)  # num pvs
        writeint(f, 0)  # light maps
        writeint(f, 0)  # blend map
        writeint(f, 1)  # num vars
        writeint(f, len(cube_map.vslots))  # num vslots

        writechar(f, cs_id_types.ID_SVAR)
        writeushort(f, len("skybox"))
        f.write("skybox")
        writeushort(f, len("skyboxes/remus/sky01"))
        f.write("skyboxes/remus/sky01")

        writechar(f, 3)
        f.write("fps\x00")

        # Extra data
        writeushort(f, 0)

        # texmru
        writeushort(f, 0)

        savevslots(f, cube_map.vslots)

        savec(
            f,
            cube_map,
            cube_map.octants,
            ivec(0, 0, 0),
            cube_map.meta_data["wordsize"] >> 1,
            nolms,
        )
Exemplo n.º 6
0
    def edgespan2vectorcube(self):
        if self.isentirelysolid() or self.isempty():
            return
        for x in xrange(2):
            for y in xrange(2):
                for z in xrange(2):
                    p = ivec(8 * x, 8 * y, 8 * z)
                    v = vec(0, 0, 0)

                    o = self.copy()

                    genedgespanvert(p, o, v)

                    self.setcubeedge(
                        0, y, z, edgeval(self.getcubeedge(0, y, z), x, int(v.x + 0.49))
                    )
                    self.setcubeedge(
                        1, z, x, edgeval(self.getcubeedge(1, z, x), y, int(v.y + 0.49))
                    )
                    self.setcubeedge(
                        2, x, y, edgeval(self.getcubeedge(2, x, y), z, int(v.z + 0.49))
                    )
Exemplo n.º 7
0
def genfacevecs(cu, orient, pos, size, solid, fvecs, v=None):
    i = 0
    if solid:
        if orient == 0:
            if dimcoord(0):
                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z + size) << 3
                i += 1
            else:
                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z + size) << 3
                i += 1
        elif orient == 1:
            if dimcoord(1):
                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z) << 3
                i += 1
            else:
                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y) << 3
                f.x = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.y + size) << 3
                f.x = (pos.z + size) << 3
                i += 1
        elif orient == 2:
            if dimcoord(2):
                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z) << 3
                i += 1
            else:
                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z + size) << 3
                i += 1
        elif orient == 3:
            if dimcoord(3):
                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z) << 3
                i += 1
            else:
                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x + size) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z + size) << 3
                i += 1

                f = fvecs[i]
                f.x = (pos.x) << 3
                f.y = (pos.z) << 3
                i += 1
        elif orient == 4:
            if dimcoord(4):
                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y) << 3
                i += 1
            else:
                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y) << 3
                i += 1
        elif orient == 5:
            if dimcoord(5):
                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y + size) << 3
                i += 1
            else:
                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y + size) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x + size) << 3
                f.x = (pos.y) << 3
                i += 1

                f = fvecs[i]
                f.y = (pos.x) << 3
                f.x = (pos.y) << 3
                i += 1
        return 4
    buf = [ivec() for _ in xrange(4)]

    if v is None:
        genfaceverts(cu, orient, buf)
        v = buf

    prev = facevec(INT_MAX, INT_MAX)
    if orient == 0:
        if dimcoord(0):
            e = v[0]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(0) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    elif orient == 1:
        if dimcoord(1):
            e = v[0]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.z = e.x
            ef.y = e.y
            ef.x = e.z
            if ef.z == dimcoord(1) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.z = pos.x
                pf.y = pos.y
                pf.x = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    elif orient == 2:
        if dimcoord(2):
            e = v[0]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(2) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    elif orient == 3:
        if dimcoord(3):
            e = v[0]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.x = e.x
            ef.z = e.y
            ef.y = e.z
            if ef.z == dimcoord(3) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.x = pos.x
                pf.z = pos.y
                pf.y = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    elif orient == 4:
        if dimcoord(4):
            e = v[0]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(4) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    elif orient == 5:
        if dimcoord(5):
            e = v[0]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[3]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
        else:
            e = v[3]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[2]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[1]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1

            e = v[0]
            ef = ivec()
            ef.y = e.x
            ef.x = e.y
            ef.z = e.z
            if ef.z == dimcoord(5) * 8:
                f = fvecs[i]
                pf = ivec()
                pf.y = pos.x
                pf.x = pos.y
                pf.z = pos.z
                f = facevec(ef.x * size + (pf.x << 3),
                            ef.y * size + (pf.y << 3))
                if f != prev:
                    prev = f
                    i += 1
    if fvecs[0] == prev:
        i -= 1
    return i
Exemplo n.º 8
0
"""
This file may be in part a direct translation of the original Cube 2 sources into python.
Please see readme_source.txt for the license that may apply.
"""
from sour.common.ivec import ivec

facecoords = (
    (ivec(0, 8, 8), ivec(0, 8, 0), ivec(0, 0, 0), ivec(0, 0, 8)),
    (ivec(8, 8, 8), ivec(8, 0, 8), ivec(8, 0, 0), ivec(8, 8, 0)),
    (ivec(8, 0, 8), ivec(0, 0, 8), ivec(0, 0, 0), ivec(8, 0, 0)),
    (ivec(0, 8, 0), ivec(0, 8, 8), ivec(8, 8, 8), ivec(8, 8, 0)),
    (ivec(0, 0, 0), ivec(0, 8, 0), ivec(8, 8, 0), ivec(8, 0, 0)),
    (ivec(0, 0, 8), ivec(8, 0, 8), ivec(8, 8, 8), ivec(0, 8, 8)),
)
Exemplo n.º 9
0
def genfaceverts(c, orient, v):
    if orient == 0:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 1),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 0),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 0),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 1),
        )
    elif orient == 1:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 1),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 1),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 0),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 0),
        )
    elif orient == 2:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 1),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 1),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 0),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 0),
        )
    elif orient == 3:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 0),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 1),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 1),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 0),
        )
    elif orient == 4:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 0),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 0),
            edgeget(c.getcubeedge(1, 0, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 0),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 1, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 0),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 0, 0), 1),
            edgeget(c.getcubeedge(1, 0, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 0),
        )
    elif orient == 5:
        v[0] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 0),
            edgeget(c.getcubeedge(2, 0, 0), 1),
        )
        v[1] = ivec(
            edgeget(c.getcubeedge(0, 0, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 0),
            edgeget(c.getcubeedge(2, 1, 0), 1),
        )
        v[2] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 1),
            edgeget(c.getcubeedge(1, 1, 1), 1),
            edgeget(c.getcubeedge(2, 1, 1), 1),
        )
        v[3] = ivec(
            edgeget(c.getcubeedge(0, 1, 1), 0),
            edgeget(c.getcubeedge(1, 1, 0), 1),
            edgeget(c.getcubeedge(2, 0, 1), 1),
        )
Exemplo n.º 10
0
def write_physics_state(cds, physics_state):
    d = physics_state

    # TODO: replace this with an actual lookup for which material is at a particular position
    lookupmaterial = dummy_air_material_lookup

    # 3 bits phys state, 1 bit life sequence, 2 bits move, 2 bits strafe
    physstate = (
        d.physstate
        | ((d.lifesequence & 1) << 3)
        | ((d.move & 3) << 4)
        | ((d.strafe & 3) << 6)
    )
    cds.putbyte(physstate)
    o = ivec(vec(d.o.x, d.o.y, d.o.z - d.eyeheight))

    vel = min(int(d.vel.magnitude() * DVELF), 0xFFFF)
    fall = min(int(d.falling.magnitude() * DVELF), 0xFFFF)

    # 3 bits position, 1 bit velocity, 3 bits falling, 1 bit material
    flags = 0
    if o.x < 0 or o.x > 0xFFFF:
        flags |= 1 << 0
    if o.y < 0 or o.y > 0xFFFF:
        flags |= 1 << 1
    if o.z < 0 or o.z > 0xFFFF:
        flags |= 1 << 2
    if vel > 0xFF:
        flags |= 1 << 3

    if fall > 0:
        flags |= 1 << 4
        if fall > 0xFF:
            flags |= 1 << 5
        if d.falling.x or d.falling.y or d.falling.z > 0:
            flags |= 1 << 6

    if (
        lookupmaterial(d.feetpos()) & material_types.MATF_CLIP
        == empty_material_types.MAT_GAMECLIP
    ):
        flags |= 1 << 7

    cds.putuint(flags)
    for k in xrange(3):
        cds.putbyte(o[k] & 0xFF)
        cds.putbyte((o[k] >> 8) & 0xFF)
        if o[k] < 0 or o[k] > 0xFFFF:
            cds.putbyte((o[k] >> 16) & 0xFF)

    if d.yaw < 0:
        dir = 360 + int(d.yaw) % 360
    else:
        dir = int(d.yaw) % 360

    dir += clamp(int(d.pitch + 90), 0, 180) * 360

    cds.putbyte(dir & 0xFF)
    cds.putbyte((dir >> 8) & 0xFF)
    cds.putbyte(clamp(int(d.roll + 90), 0, 180))
    cds.putbyte(vel & 0xFF)
    if vel > 0xFF:
        cds.putbyte((vel >> 8) & 0xFF)

    velyaw, velpitch = vectoyawpitch(d.vel)

    if velyaw < 0:
        veldir = 360 + int(velyaw) % 360
    else:
        veldir = int(velyaw) % 360

    veldir += clamp(int(velpitch + 90), 0, 180) * 360

    cds.putbyte(veldir & 0xFF)
    cds.putbyte((veldir >> 8) & 0xFF)

    if fall > 0:
        cds.putbyte(fall & 0xFF)

        if fall > 0xFF:
            cds.putbyte((fall >> 8) & 0xFF)

        if d.falling.x or d.falling.y or d.falling.z > 0:
            fallyaw, fallpitch = vectoyawpitch(d.falling)

            if fallyaw < 0:
                falldir = 360 + int(fallyaw) % 360
            else:
                falldir = int(fallyaw) % 360

            falldir += clamp(int(fallpitch + 90), 0, 180) * 360

            cds.putbyte(falldir & 0xFF)
            cds.putbyte((falldir >> 8) & 0xFF)
Exemplo n.º 11
0
def visibletris(c, cube_map, orient, x, y, z, size, nmat, matmask):

    vis = 3
    touching = 0xF

    e1, e2, e3, n = [ivec() for _ in xrange(4)]

    v = [None] * 4
    genfaceverts(c, orient, v)

    e1 = v[1]
    e2 = v[2]
    e3 = v[0]

    n.cross((e1).sub(v[0]), (e2).sub(v[0]))
    convex = (e3).sub(v[3]).dot(n)
    if convex == 0:

        if ivec().cross(e3, e2).iszero():
            if n.iszero():
                return 0
            vis = 1
            touching = 0xF & ~(1 << 3)

        elif n.iszero():
            vis = 2
            touching = 0xF & ~(1 << 1)

    dim = dimension(orient)
    coord = dimcoord(orient)

    if v[0][dim] != coord * 8:
        touching &= ~(1 << 0)
    if v[1][dim] != coord * 8:
        touching &= ~(1 << 1)
    if v[2][dim] != coord * 8:
        touching &= ~(1 << 2)
    if v[3][dim] != coord * 8:
        touching &= ~(1 << 3)

    # mask of triangles not touching
    notouchmasks = [
        # order 0: flat or convex
        # 0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15
        [3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 1, 3, 0],
        # order 1: concave
        [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 3, 3, 2, 0],
    ]
    order = 1 if convex < 0 else 0
    notouch = notouchmasks[order][touching]

    if (vis & notouch) == vis:
        return vis

    no = ivec()
    nsize = 0

    o = neighbourcube(c, cube_map, orient, x, y, z, size, no, nsize)

    if o is c:
        return 0

    if c.material & matmask == nmat:
        nmat = empty_material_types.MAT_AIR

    vo = ivec(x, y, z)

    vo.mask(0xFFF)
    no.mask(0xFFF)

    cf = [facevec() for _ in xrange(4)]
    of = [facevec() for _ in xrange(4)]

    opp = opposite(orient)
    numo = 0
    numc = 0

    if nsize > size or (nsize == size and o.children == 0):

        if o.isempty() or notouchingface(o, opp):
            return vis

        if nmat != empty_material_types.MAT_AIR and (o.material
                                                     & matmask) == nmat:
            return vis

        if o.isentirelysolid() or (touchingface(o, opp)
                                   and faceedges(o, opp) == F_SOLID):
            return vis & notouch

        numc = genfacevecs(c, orient, vo, size, False, cf, v)
        numo = genfacevecs(o, opp, no, nsize, False, of)

        if numo < 3:
            return vis

        if insideface(cf, numc, of, numo):
            return vis & notouch

    else:
        numc = genfacevecs(c, orient, vo, size, False, cf, v)
        if occludesface(
                o,
                opp,
                no,
                nsize,
                vo,
                size,
                empty_material_types.MAT_AIR,
                nmat,
                matmask,
                cf,
                numc,
        ):
            return vis & notouch

    if vis != 3 or notouch:
        return vis

    triverts = [
        # order
        [[[1, 2, 3], [0, 1, 3]], [[0, 1, 2], [0, 2, 3]]],  # coord  # verts
        [[[0, 1, 2], [3, 0, 2]], [[1, 2, 3], [1, 3, 0]]],  # coord  # verts
    ]

    while 1:
        for i in xrange(2):
            verts = triverts[order][coord][i]

            tf = [cf[verts[0]], cf[verts[1]], cf[verts[2]]]

            if numo > 0:
                if insideface(tf, 3, of, numo) == 0:
                    continue

            elif (occludesface(
                    o,
                    opp,
                    no,
                    nsize,
                    vo,
                    size,
                    empty_material_types.MAT_AIR,
                    nmat,
                    matmask,
                    tf,
                    3,
            ) == 0):
                continue

            return vis & ~(1 << i)

        vis |= 4

        order += 1
        if order <= 1:
            break

    return 3
Exemplo n.º 12
0
def loadchildren(version, f, co, size):
    cubes = newcubes()
    for i in xrange(len(cubes)):
        loadc(version, f, cubes[i], ivec(i, co.x, co.y, co.z, size), size)
    return cubes
Exemplo n.º 13
0
def convertoldsurfaces(c, co, size, srcsurfs, hassurfs, normals, hasnorms,
                       merges, hasmerges):
    dstsurfs = map(lambda _: SurfaceInfo(), xrange(6))
    verts = map(lambda _: VertInfo(), xrange(6 * 2 * layer_types.MAXFACEVERTS))

    totalverts = 0
    numsurfs = 6

    for i in xrange(6):
        if (hassurfs | hasnorms | hasmerges) & (1 << i):
            dst = dstsurfs[i]
            curverts = None
            numverts = 0

            src = None
            blend = None

            if hassurfs & (1 << i):

                src = srcsurfs[i]

                if src.layer & 2:

                    blend = srcsurfs[numsurfs]
                    numsurfs += 1

                    dst.lmid[0] = src.lmid
                    dst.lmid[1] = blend.lmid
                    dst.numverts |= layer_types.LAYER_BLEND

                    if blend.lmid >= lighting_types.LMID_RESERVED:
                        if (src.x != blend.x or src.y != blend.y
                                or src.w != blend.w or src.h != blend.h
                                or (not src.compare_textcoords(blend))):
                            dst.numverts |= layer_types.LAYER_DUP

                elif src.layer == 1:
                    dst.lmid[1] = src.lmid
                    dst.numverts |= layer_types.LAYER_BOTTOM
                else:
                    dst.lmid[0] = src.lmid
                    dst.numverts |= layer_types.LAYER_TOP

            else:
                dst.numverts |= layer_types.LAYER_TOP

            uselms = hassurfs & (1 << i) and (
                dst.lmid[0] >= lighting_types.LMID_RESERVED
                or dst.lmid[1] >= lighting_types.LMID_RESERVED
                or dst.numverts & ~layer_types.LAYER_TOP)
            usemerges = (hasmerges & (1 << i) and merges[i].u1 < merges[i].u2
                         and merges[i].v1 < merges[i].v2)
            usenorms = hasnorms & (1 << i) and normals[i].normals[0] != bvec(
                128, 128, 128)

            if uselms or usemerges or usenorms:

                v = map(lambda _: ivec(), xrange(4))
                pos = map(lambda _: ivec(), xrange(4))

                e1 = ivec()
                e2 = ivec()
                e3 = ivec()

                n = ivec()

                vo = ivec(co).mask(0xFFF).shl(3)

                genfaceverts(c, i, v)

                e1 = v[1]
                e2 = v[2]

                n.cross((e1).sub(v[0]), (e2).sub(v[0]))
                if usemerges:

                    m = merges[i]
                    offset = (-n.dot(v[0].mul(size).add(vo)), )
                    dim = dimension(i)
                    vc = C[dim]
                    vr = R[dim]

                    for k in xrange(4):

                        coords = facecoords[i][k]
                        if coords[vc]:
                            cc = m.u2
                        else:
                            cc = m.u1

                        if coords[vr]:
                            rc = m.v2
                        else:
                            rc = m.v1

                        dc = -(offset + n[vc] * cc + n[vr] * rc) / n[dim]

                        mv = pos[k]

                        mv[vc] = cc
                        mv[vr] = rc
                        mv[dim] = dc

                else:
                    e3 = v[0]
                    convex = (e3).sub(v[3]).dot(n)
                    vis = 3
                    if convex == 0:

                        if ivec(0, 0, 0).cross(e3, e2).iszero():
                            if not n.iszero():
                                vis = 1
                        elif n.iszero():
                            vis = 2

                    if convex < 0:
                        order = 1
                    else:
                        order = 0

                    pos[0] = v[order].mul(size).add(vo)

                    if vis & 1:
                        pos[1] = v[order + 1].mul(size).add(vo)
                    else:
                        pos[1] = pos[0]

                    pos[2] = v[order + 2].mul(size).add(vo)

                    if vis & 2:
                        pos[3] = v[(order + 3) & 3].mul(size).add(vo)
                    else:
                        pos[3] = pos[0]

                curverts = verts + totalverts

                for k in xrange(4):
                    if k > 0 and (pos[k] == pos[0] or pos[k] == pos[k - 1]):
                        continue
                    dv = curverts[numverts]
                    numverts += 1
                    dv.setxyz(pos[k])

                    if uselms:
                        u = src.x + (src.texcoords[k * 2] / 255.0) * (src.w -
                                                                      1)
                        v = src.y + (src.texcoords[k * 2 + 1] /
                                     255.0) * (src.h - 1)

                        dv.u = ushort(
                            floor(
                                clamp(
                                    (u) * float(USHRT_MAX + 1) / LM_PACKW +
                                    0.5,
                                    0.0,
                                    float(USHRT_MAX),
                                )))
                        dv.v = ushort(
                            floor(
                                clamp(
                                    (v) * float(USHRT_MAX + 1) / LM_PACKH +
                                    0.5,
                                    0.0,
                                    float(USHRT_MAX),
                                )))

                    else:
                        dv.u = 0
                        dv.v = 0

                    if usenorms and normals[i].normals[k] != bvec(
                            128, 128, 128):
                        dv.norm = encodenormal(
                            normals[i].normals[k].tovec().normalize())
                    else:
                        dv.norm = 0

                dst.verts = totalverts
                dst.numverts |= numverts
                totalverts += numverts
                if dst.numverts & layer_types.LAYER_DUP:
                    for k in xrange(4):
                        if k > 0 and (pos[k] == pos[0]
                                      or pos[k] == pos[k - 1]):
                            continue
                        bv = verts[totalverts]
                        totalverts += 1
                        bv.setxyz(pos[k])

                        bv.u = ushort(
                            floor(
                                clamp(
                                    (blend.x +
                                     (blend.texcoords[k * 2] / 255.0) *
                                     (blend.w - 1)) * float(USHRT_MAX + 1) /
                                    LM_PACKW,
                                    0.0,
                                    float(USHRT_MAX),
                                )))
                        bv.v = ushort(
                            floor(
                                clamp(
                                    (blend.y +
                                     (blend.texcoords[k * 2 + 1] / 255.0) *
                                     (blend.h - 1)) * float(USHRT_MAX + 1) /
                                    LM_PACKH,
                                    0.0,
                                    float(USHRT_MAX),
                                )))

                        if usenorms and normals[i].normals[k] != bvec(
                                128, 128, 128):
                            bv.norm = encodenormal(
                                normals[i].normals[k].tovec().normalize())
                        else:
                            bv.norm = 0

    setsurfaces(c, dstsurfs, verts, totalverts)
Exemplo n.º 14
0
def loadc(version, f, cube, co, size):
    haschildren = False

    octsav = readchar(f)

    val = octsav & 0x7
    if val == octa_save_types.OCTSAV_CHILDREN:
        cube.children = loadchildren(version, f, co, size >> 1)
        return
    elif val == octa_save_types.OCTSAV_LODCUBE:
        haschildren = True
    elif val == octa_save_types.OCTSAV_EMPTY:
        cube.setfaces(F_EMPTY)
    elif val == octa_save_types.OCTSAV_SOLID:
        cube.setfaces(F_SOLID)
    elif val == octa_save_types.OCTSAV_NORMAL:
        cube.data = bytearray(f.read(12))
    else:
        raise OctaError()

    if version < 14:
        cube.texture = struct.unpack("6b", f.read(6))
    else:
        cube.texture = struct.unpack("6H", f.read(12))

    if version < 7:
        f.read(3)
    elif version <= 31:
        mask = readchar(f)
        if mask & 0x80:
            mat = readchar(f)
            if version < 27:
                matconv = [
                    empty_material_types.MAT_AIR,
                    empty_material_types.MAT_WATER,
                    empty_material_types.MAT_CLIP,
                    empty_material_types.MAT_GLASS
                    | empty_material_types.MAT_CLIP,
                    empty_material_types.MAT_NOCLIP,
                    empty_material_types.MAT_LAVA
                    | empty_material_types.MAT_DEATH,
                    empty_material_types.MAT_GAMECLIP,
                    empty_material_types.MAT_DEATH,
                ]
                cube.material = (matconv[mat] if mat < len(matconv) else
                                 empty_material_types.MAT_AIR)
            else:
                cube.material = convertoldmaterial(mat)

        surfaces = map(lambda _: SurfaceCompat(), xrange(12))
        normals = map(lambda _: NormalsCompat(), xrange(6))
        merges = map(lambda _: MergesCompat(), xrange(6))

        hassurfs = 0
        hasnorms = 0
        hasmerges = 0

        if mask & 0x3F:
            numsurfs = 6
            i = 0
            while i < numsurfs:
                if i >= 6 or mask & (1 << i):
                    surfaces[i] = SurfaceCompat.read(f)
                    if version < 10:
                        surfaces[i].lmid += 1
                    if version < 18:
                        if surfaces[i].lmid >= lighting_types.LMID_AMBIENT1:
                            surfaces[i].lmid += 1
                        if surfaces[i].lmid >= lighting_types.LMID_BRIGHT1:
                            surfaces[i].lmid += 1
                    if version < 19:
                        if surfaces[i].lmid >= lighting_types.LMID_DARK:
                            surfaces[i].lmid += 2
                    if i < 6:
                        if mask & 0x40:
                            hasnorms |= 1 << i
                            normals[i] = NormalsCompat.read(f)
                        if (surfaces[i].layer != 0
                                or surfaces[i] != lighting_types.LMID_AMBIENT):
                            hassurfs |= 1 << i
                        if surfaces[i].layer & 2:
                            numsurfs += 1

        if version <= 8:
            cube.edgespan2vectorcube()

        if version <= 11:
            cube.faces[0], cube.faces[2] = cube.faces[2], cube.faces[0]
            cube.texture[0], cube.texture[4] = cube.texture[4], cube.texture[0]
            cube.texture[1], cube.texture[5] = cube.texture[5], cube.texture[1]
            if hassurfs & 0x33:
                cube.surfaces[0], cube.surfaces[4] = cube.surfaces[
                    4], cube.surfaces[0]
                cube.surfaces[1], cube.surfaces[5] = cube.surfaces[
                    5], cube.surfaces[1]
                hassurfs = ((hassurfs & ~0x33)
                            | ((hassurfs & 0x30) >> 4)
                            | ((hassurfs & 0x03) << 4))

        if version >= 20:
            if octsav & 0x80:
                merged = readchar(f)
                cube.merged = merged & 0x3F
                if merged & 0x80:
                    mask = readchar(f)
                    if mask:
                        hasmerges = mask & 0x3F

                        for i in xrange(6):
                            if mask & (1 << i):
                                merges[i] = MergesCompat.read(f)
                                m = merges[i]
                                if version <= 25:
                                    uorigin = m.u1 & 0xE000
                                    vorigin = m.v1 & 0xE000
                                    m.u1 = (m.u1 - uorigin) << 2
                                    m.u2 = (m.u2 - uorigin) << 2
                                    m.v1 = (m.v1 - vorigin) << 2
                                    m.v2 = (m.v2 - vorigin) << 2

        if hassurfs or hasnorms or hasmerges:
            convertoldsurfaces(cube, co, size, surfaces, hassurfs, normals,
                               hasnorms, merges, hasmerges)
    else:
        if octsav & 0x40:
            if version <= 32:
                mat = readchar(f)
                cube.material = convertoldmaterial(mat)
            else:
                cube.material = readuchar(f)

        if octsav & 0x80:
            cube.merged = readchar(f)

        if octsav & 0x20:
            surfmask = readchar(f)
            totalverts = readchar(f)

            newcubeext(cube, totalverts, False)

            cube.ext.surfaces = map(lambda _: SurfaceInfo(), xrange(6))
            cube.ext.verts = map(lambda _: VertInfo(),
                                 xrange(cube.ext.maxverts))

            offset = 0

            for i in xrange(6):
                if surfmask & (1 << i):
                    cube.ext.surfaces[i] = SurfaceInfo.read(f)
                    surf = cube.ext.surfaces[i]

                    vertmask = surf.verts
                    numverts = surf.totalverts

                    if numverts == 0:
                        surf.verts = 0
                        continue

                    surf.verts = offset

                    verts = cube.ext.verts

                    verts = cube.ext.verts[offset / 12:]
                    offset += numverts

                    v = map(lambda _: ivec(), xrange(4))
                    n = 0

                    layerverts = surf.numverts & layer_types.MAXFACEVERTS
                    dim = dimension(i)
                    vc = C[dim]
                    vr = R[dim]
                    bias = 0

                    genfaceverts(cube, i, v)

                    hasxyz = (vertmask & 0x04) != 0
                    hasuv = (vertmask & 0x40) != 0
                    hasnorm = (vertmask & 0x80) != 0

                    if hasxyz:
                        e1, e2, e3 = ivec(), ivec(), ivec()

                        e1 = v[1]
                        e2 = v[2]
                        n.cross((e1).sub(v[0]), (e2).sub(v[0]))

                        if n.iszero():
                            e3 = v[3]
                            n.cross(e2, (e3).sub(v[0]))

                        bias = -n.dot(
                            ivec(v[0]).mul(size).add(
                                ivec(co).mask(0xFFF).shl(3)))
                    else:
                        if layerverts < 4:
                            vis = 2 if vertmask & 0x02 else 1
                        else:
                            vis = 3

                        if vertmask & 0x01:
                            order = 1
                        else:
                            order = 0

                        k = 0

                        vo = ivec(co).mask(0xFFF).shl(3)

                        verts[k].setxyz(v[order].mul(size).add(vo))
                        k += 1

                        if vis & 1:
                            verts[k].setxyz(v[order + 1].mul(size).add(vo))
                            k += 1

                        verts[k].setxyz(v[order + 2].mul(size).add(vo))
                        k += 1

                        if vis & 2:
                            verts[k].setxyz(v[(order + 3)
                                              & 3].mul(size).add(vo))
                            k += 1

                    if layerverts == 4:
                        if hasxyz and vertmask & 0x01:
                            c1, r1, c2, r2 = struct.unpack("4H", f.read(8))

                            xyz = ivec()

                            xyz[vc] = c1
                            xyz[vr] = r1
                            xyz[dim] = (
                                -(bias + n[vc] * xyz[vc] + n[vr] * xyz[vr]) /
                                n[dim])
                            verts[0].setxyz(xyz)

                            xyz[vc] = c1
                            xyz[vr] = r2
                            xyz[dim] = (
                                -(bias + n[vc] * xyz[vc] + n[vr] * xyz[vr]) /
                                n[dim])
                            verts[1].setxyz(xyz)

                            xyz[vc] = c2
                            xyz[vr] = r2
                            xyz[dim] = (
                                -(bias + n[vc] * xyz[vc] + n[vr] * xyz[vr]) /
                                n[dim])
                            verts[2].setxyz(xyz)

                            xyz[vc] = c2
                            xyz[vr] = r1
                            xyz[dim] = (
                                -(bias + n[vc] * xyz[vc] + n[vr] * xyz[vr]) /
                                n[dim])
                            verts[3].setxyz(xyz)

                            hasxyz = False

                        if hasuv and vertmask & 0x02:
                            uvorder = (vertmask & 0x30) >> 4

                            v0 = verts[uvorder]
                            v1 = verts[(uvorder + 1) & 3]
                            v2 = verts[(uvorder + 2) & 3]
                            v3 = verts[(uvorder + 3) & 3]

                            v0.u, v0.v = struct.unpack("2H", f.read(4))
                            v2.u, v2.v = struct.unpack("2H", f.read(4))

                            v1.u = v0.u
                            v1.v = v2.v

                            v3.u = v2.u
                            v3.v = v0.v

                            if surf.numverts & layer_types.LAYER_DUP:

                                b0 = verts[4 + uvorder]
                                b1 = verts[4 + ((uvorder + 1) & 3)]
                                b2 = verts[4 + ((uvorder + 2) & 3)]
                                b3 = verts[4 + ((uvorder + 3) & 3)]

                                b0.u, b0.v = struct.unpack("2H", f.read(4))
                                b2.u, b2.v = struct.unpack("2H", f.read(4))

                                b1.u = b0.u
                                b1.v = b2.v
                                b3.u = b2.u
                                b3.v = b0.v

                            hasuv = False

                    if hasnorm and vertmask & 0x08:

                        norm = readushort(f)
                        for k in xrange(layerverts):
                            verts[k].norm = norm
                        hasnorm = False

                    if hasxyz or hasuv or hasnorm:
                        for k in xrange(layerverts):
                            v = verts[k]
                            if hasxyz:

                                xyz = ivec()
                                xyz[vc], xyz[vr] = struct.unpack(
                                    "2H", f.read(4))

                                xyz[dim] = (
                                    -(bias + n[vc] * xyz[vc] + n[vr] * xyz[vr])
                                    / n[dim])
                                v.setxyz(xyz)

                            if hasuv:
                                v.u, v.v = struct.unpack("2H", f.read(4))

                            if hasnorm:
                                v.norm = readushort(f)

                    if surf.numverts & layer_types.LAYER_DUP:
                        for k in xrange(layerverts):
                            v = verts[k + layerverts]
                            t = verts[k]

                            v.setxyz(t.x, t.y, t.z)

                            if hasuv:
                                v.u, v.v = struct.unpack("2H", f.read(4))

                            v.norm = t.norm

    if haschildren:
        cube.children = loadchildren(version, f, co, size >> 1)
    else:
        cube.children = None

    return cube
Exemplo n.º 15
0
def savec(f, cube_map, c, o, size, nolms):

    for i in xrange(8):
        co = ivec(i, o.x, o.y, o.z, size)

        if len(c[i].children) > 0:
            writechar(f, octa_save_types.OCTSAV_CHILDREN)
            savec(f, cube_map, c[i].children, co, size >> 1, nolms)
        else:
            oflags = 0
            surfmask = 0
            totalverts = 0
            if c[i].material != empty_material_types.MAT_AIR:
                oflags |= 0x40

            if not nolms:
                if c[i].merged:
                    oflags |= 0x80

                if c[i].ext:
                    for j in xrange(6):
                        surf = c[i].ext.surfaces[j]
                        if not surf.used:
                            continue

                        oflags |= 0x20
                        surfmask |= 1 << j
                        totalverts += surf.totalverts()

            if c[i].children:
                writechar(f, oflags | octa_save_types.OCTSAV_LODCUBE)

            elif c[i].isempty():
                writechar(f, oflags | octa_save_types.OCTSAV_EMPTY)

            elif c[i].isentirelysolid():
                writechar(f, oflags | octa_save_types.OCTSAV_SOLID)

            else:
                writechar(f, oflags | octa_save_types.OCTSAV_NORMAL)
                f.write(c[i].data)

            for j in xrange(6):
                writeushort(f, c[i].texture_walls[j])

            if oflags & 0x40:
                writeushort(f, c[i].material)

            if oflags & 0x80:
                writechar(f, c[i].merged)

            if oflags & 0x20:
                writechar(f, surfmask)
                writechar(f, totalverts)

                for j in xrange(6):
                    if surfmask & (1 << j):
                        surf = c[i].ext.surfaces[j]
                        verts = c[i].ext.verts() + surf.verts

                        layerverts = surf.numverts & layer_types.MAXFACEVERTS
                        numverts = surf.totalverts()

                        vertmask = 0
                        vertorder = 0
                        uvorder = 0

                        dim = dimension(j)
                        vc = C[dim]
                        vr = R[dim]

                        if numverts:
                            if c[i].merged & (1 << j):
                                vertmask |= 0x04
                                if layerverts == 4:
                                    v = [
                                        verts[0].getxyz(),
                                        verts[1].getxyz(),
                                        verts[2].getxyz(),
                                        verts[3].getxyz(),
                                    ]
                                    for k in xrange(4):
                                        v0 = v[k]

                                        v1 = v[(k + 1) & 3]
                                        v2 = v[(k + 2) & 3]
                                        v3 = v[(k + 3) & 3]

                                        if (v1[vc] == v0[vc]
                                                and v1[vr] == v2[vr]
                                                and v3[vc] == v2[vc]
                                                and v3[vr] == v0[vr]):
                                            vertmask |= 0x01
                                            vertorder = k
                                            break
                            else:
                                vis = visibletris(c[i], cube_map, j, co.x,
                                                  co.y, co.z, size)
                                if vis & 4 or faceconvexity(c[i], j) < 0:
                                    vertmask |= 0x01
                                if layerverts < 4 and vis & 2:
                                    vertmask |= 0x02

                            matchnorm = True

                            for k in xrange(numverts):
                                v = verts[k]

                                if v.u or v.v:
                                    vertmask |= 0x40

                                if v.norm:
                                    vertmask |= 0x80
                                    if v.norm != verts[0].norm:
                                        matchnorm = False

                            if matchnorm:
                                vertmask |= 0x08

                            if vertmask & 0x40 and layerverts == 4:
                                for k in xrange(4):
                                    v0 = verts[k]

                                    v1 = verts[(k + 1) & 3]
                                    v2 = verts[(k + 2) & 3]
                                    v3 = verts[(k + 3) & 3]

                                    if (v1.u == v0.u and v1.v == v2.v
                                            and v3.u == v2.u and v3.v == v0.v):
                                        if surf.numverts & layer_types.LAYER_DUP:
                                            b0 = verts[4 + k]
                                            b1 = verts[4 + ((k + 1) & 3)]
                                            b2 = verts[4 + ((k + 2) & 3)]
                                            b3 = verts[4 + ((k + 3) & 3)]

                                            if (b1.u != b0.u or b1.v != b2.v
                                                    or b3.u != b2.u
                                                    or b3.v != b0.v):
                                                continue

                                        uvorder = k
                                        vertmask |= 0x02 | ((
                                            (k + 4 - vertorder) & 3) << 4)
                                        break

                        surf.verts = vertmask

                        f.write(surf, sizeof(surfaceinfo))

                        hasxyz = (vertmask & 0x04) != 0
                        hasuv = (vertmask & 0x40) != 0
                        hasnorm = (vertmask & 0x80) != 0

                        if layerverts == 4:

                            if hasxyz and vertmask & 0x01:

                                v0 = verts[vertorder].getxyz()
                                v2 = verts[(vertorder + 2) & 3].getxyz()

                                writeushort(f, v0[vc])
                                writeushort(f, v0[vr])
                                writeushort(f, v2[vc])
                                writeushort(f, v2[vr])

                                hasxyz = False

                            if hasuv and vertmask & 0x02:

                                v0 = verts[uvorder]
                                v2 = verts[(uvorder + 2) & 3]

                                writeushort(f, v0.u)
                                writeushort(f, v0.v)
                                writeushort(f, v2.u)
                                writeushort(f, v2.v)

                                if surf.numverts & layer_types.LAYER_DUP:

                                    b0 = verts[4 + uvorder]
                                    b2 = verts[4 + ((uvorder + 2) & 3)]

                                    writeushort(f, b0.u)
                                    writeushort(f, b0.v)
                                    writeushort(f, b2.u)
                                    writeushort(f, b2.v)

                                hasuv = False

                        if hasnorm and vertmask & 0x08:
                            writeushort(f, verts[0].norm)
                            hasnorm = False

                        if hasxyz or hasuv or hasnorm:
                            for k in xrange(layerverts):
                                v = verts[(k + vertorder) % layerverts]
                                if hasxyz:
                                    xyz = v.getxyz()

                                    writeushort(f, xyz[vc])
                                    writeushort(f, xyz[vr])

                                if hasuv:
                                    writeushort(f, v.u)
                                    writeushort(f, v.v)

                                if hasnorm:
                                    writeushort(f, v.norm)

                        if surf.numverts & layer_types.LAYER_DUP:
                            for k in xrange(layerverts):
                                v = verts[layerverts +
                                          (k + vertorder) % layerverts]
                                if hasuv:
                                    writeushort(f, v.u)
                                    writeushort(f, v.v)

            if c[i].children:
                savec(f, cube_map, c[i].children, co, size >> 1, nolms)