/* draw a line (for wireframe display) */
static void wire(BITMAP b, VTX v1, VTX v2)
{
int col = MID(128, 255 - fixtoi(v1.z + v2.z) / 16, 255);
line(b, fixtoi(v1.x), fixtoi(v1.y), fixtoi(v2.x), fixtoi(v2.y),
palette_color[col]);
}
/* draw a quad */
static void draw_quad(BITMAP b, VTX v1, VTX v2, VTX v3, VTX v4, int mode)
{
int col;
/* four vertices */
V3D vtx1 = new V3D(0, 0, 0, 0, 0, 0);
V3D vtx2 = new V3D(0, 0, 0, 32 << 16, 0, 0);
V3D vtx3 = new V3D(0, 0, 0, 32 << 16, 32 << 16, 0);
V3D vtx4 = new V3D(0, 0, 0, 0, 32 << 16, 0);
vtx1.x = v1.x; vtx1.y = v1.y; vtx1.z = v1.z;
vtx2.x = v2.x; vtx2.y = v2.y; vtx2.z = v2.z;
vtx3.x = v3.x; vtx3.y = v3.y; vtx3.z = v3.z;
vtx4.x = v4.x; vtx4.y = v4.y; vtx4.z = v4.z;
/* cull backfaces */
if ((mode != POLYTYPE_ATEX_MASK) && (mode != POLYTYPE_PTEX_MASK) &&
(mode != POLYTYPE_ATEX_MASK_LIT) && (mode != POLYTYPE_PTEX_MASK_LIT) &&
(polygon_z_normal(ref vtx1, ref vtx2, ref vtx3) < 0))
{
return;
}
/* set up the vertex color, differently for each rendering mode */
switch (mode)
{
case POLYTYPE_FLAT:
col = MID(128, 255 - fixtoi(v1.z + v2.z) / 16, 255);
vtx1.c = vtx2.c = vtx3.c = vtx4.c = palette_color[col];
break;
case POLYTYPE_GCOL:
vtx1.c = palette_color[0xD0];
vtx2.c = palette_color[0x80];
vtx3.c = palette_color[0xB0];
vtx4.c = palette_color[0xFF];
break;
case POLYTYPE_GRGB:
vtx1.c = 0x000000;
vtx2.c = 0x7F0000;
vtx3.c = 0xFF0000;
vtx4.c = 0x7F0000;
break;
case POLYTYPE_ATEX_LIT:
case POLYTYPE_PTEX_LIT:
case POLYTYPE_ATEX_MASK_LIT:
case POLYTYPE_PTEX_MASK_LIT:
vtx1.c = MID(0, 255 - fixtoi(v1.z) / 4, 255);
vtx2.c = MID(0, 255 - fixtoi(v2.z) / 4, 255);
vtx3.c = MID(0, 255 - fixtoi(v3.z) / 4, 255);
vtx4.c = MID(0, 255 - fixtoi(v4.z) / 4, 255);
break;
}
/* draw the quad */
quad3d(b, mode, texture, ref vtx1, ref vtx2, ref vtx3, ref vtx4);
}
/* translate shapes from 3d world space to 2d screen space */
static void translate_shapes()
{
int c, d;
MATRIX matrix = new MATRIX();
int outpoint = 0;
int outface = 0;
for (c = 0; c < NUM_SHAPES; c++)
{
/* build a transformation matrix */
get_transformation_matrix(ref matrix, itofix(1),
shapes[c].rx, shapes[c].ry, shapes[c].rz,
shapes[c].x, shapes[c].y, shapes[c].z);
/* output the vertices */
for (d = 0; d < NUM_VERTICES; d++)
{
// TODO: salvare i valori in variabili temporanee e poi salvarle in output_points
apply_matrix(ref matrix, points[d].x, points[d].y, points[d].z,
ref output_points[d + outpoint].x, ref output_points[d + outpoint].y, ref output_points[d + outpoint].z);
persp_project(output_points[d + outpoint].x, output_points[d + outpoint].y, output_points[d + outpoint].z,
ref output_points[d + outpoint].x, ref output_points[d + outpoint].y);
}
/* output the faces */
for (d = 0; d < NUM_FACES; d++)
{
output_faces[d + outface] = faces[d].Clone();
VTX[] temp = new VTX[NUM_VERTICES];
Array.Copy(output_points, c * NUM_VERTICES, temp, 0, NUM_VERTICES);
output_faces[d + outface].vtxlist = temp;
}
outpoint += NUM_VERTICES;
outface += NUM_FACES;
}
}
private void ReadRES(DataReader r)
{
if (new string(r.ReadChars(4)) != "$RSF")
{
Console.WriteLine("error");
}
int resourceCount1 = r.ReadInt32();
r.ReadInt32();
r.ReadInt32();
int resourceCount2 = r.ReadInt32();
r.ReadInt32();
r.ReadInt32();
r.ReadInt32();
string name = r.ReadString(r.Position, -1);
r.Position += (uint)name.Length;
r.Align(0x10);
Console.WriteLine(name);
VTX prevVTX = null;
TXR prevTXR = null;
while (true)
{
var start = r.Position;
if (r.Position >= r.Length)
{
break;
}
r.BigEndian = true;
string key = r.ReadString(4);
var size = r.ReadUInt32();
var flag1 = r.ReadInt32();
var flag2 = r.ReadInt32();
var sectionStart = r.Position;
r.BigEndian = false;
Console.WriteLine(start.ToString("X") + " " + key + " " + size.ToString("X"));
switch (key)
{
case "$CT0":
r.Position += 12;
break;
case "$VTX":
prevVTX = new VTX(r);
VTXs.Add(prevVTX);
break;
case "$TXR":
prevTXR = new TXR(r);
TXRs.Add(prevTXR);
break;
case "$TXI":
break;
case "$RSI":
if (prevVTX != null)
{
prevVTX.ReadResource(r);
}
if (prevTXR != null)
{
prevTXR.ReadResource(r);
}
prevVTX = null;
prevTXR = null;
break;
case "$SKL":
{
var f = r.ReadInt32();
r.ReadInt16(); // dunno
var boneCount = r.ReadInt16();
r.ReadInt16(); // dunno
r.ReadInt16(); // dunno
Stack <int> boneStack = new Stack <int>();
for (int i = 0; i < boneCount; i++)
{
GenericBone bone = new GenericBone();
bone.Name = r.ReadString(sectionStart + r.ReadUInt32(), -1);
bone.ParentIndex = boneStack.Count > 0 ? boneStack.Peek() : -1;
r.ReadByte();
var depth = r.ReadByte();
var pop = r.ReadSByte() + 1;
r.ReadByte();
boneStack.Push(i);
for (int j = 0; j < pop; j++)
{
boneStack.Pop();
}
bone.Transform = new OpenTK.Matrix4(r.ReadSingle(), r.ReadSingle(), r.ReadSingle(), 0,
r.ReadSingle(), r.ReadSingle(), r.ReadSingle(), 0,
r.ReadSingle(), r.ReadSingle(), r.ReadSingle(), 0,
r.ReadSingle(), r.ReadSingle(), r.ReadSingle(), 1);
r.Skip(0x48);
Skeleton.Bones.Add(bone);
}
}
break;
case "$SCN":
break;
case "$MSH":
break;
case "$TRE":
break;
case "$CLT":
break;
}
r.Seek(start + size + 0x10);
if (r.Position % 16 != 0)
{
r.Position += 16 - (r.Position % 16);
}
}
}