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Update MediaWiki page 'OB3'

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Protocol 2012-11-25 18:38:45 +00:00 committed by moparisthebest
parent 7be6c32c64
commit 5fd9283b96
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OB3.mediawiki
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@ -4,83 +4,32 @@ Work in progress.
This page refers to .ob3, a custom format for 3D models created by Jagex. It is used by the RuneScape Classic engine.
<pre>
import util.Data;
[Unsigned Short] vertex_count
[Unsigned Short] face_count
public class Ob3Model {
public int faceCount;
public int vertexCount;
for (int i = 0; i < vertex_count; i++)
[Signed Short] vert_x
for (int i = 0; i < vertex_count; i++)
[Signed Short] vert_z
for (int i = 0; i < vertex_count; i++)
[Signed Short] vert_y
public int faceVertexCount[];
public int faceBack[];
public int faceFront[];
public int verticesX[];
public int verticesZ[];
public int verticesY[];
for (int i = 0; i < face_count; i++)
[Unsigned Byte] face_vert_count
for (int i = 0; i < face_count; i++)
[Signed Short] face_back
for (int i = 0; i < face_count; i++)
[Signed Short] face_front
for (int i = 0; i < face_count; i++)
[Unsigned Byte] Boolean. Gourad shading?
private static final int trigger = 0xbc614e;
public Ob3Model(byte data[], int position) {
int vertexCount = Data.readInt16(data, position);
position += 2;
int faceCount = Data.readInt16(data, position);
position += 2;
verticesX = new int[vertexCount];
verticesY = new int[vertexCount];
verticesZ = new int[vertexCount];
faceBack = new int[faceCount];
faceFront = new int[faceCount];
faceVertexCount = new int[faceCount];
for (int i = 0; i < vertexCount; i++) {
verticesX[i] = Data.readSignedInt16(data, position);
position += 2;
}
for (int i = 0; i < vertexCount; i++) {
verticesZ[i] = Data.readSignedInt16(data, position);
position += 2;
}
for (int i = 0; i < vertexCount; i++) {
verticesY[i] = Data.readSignedInt16(data, position);
position += 2;
}
for (int i = 0; i < faceCount; i++)
faceVertexCount[i] = data[position++] & 0xff;
for (int i = 0; i < faceCount; i++) {
faceBack[i] = Data.readSignedInt16(data, position);
position += 2;
if (faceBack[i] == 32767)
faceBack[i] = trigger;
}
for (int i = 0; i < faceCount; i++) {
faceFront[i] = Data.readSignedInt16(data, position);
position += 2;
if (faceFront[i] == 32767)
faceFront[i] = trigger;
}
position += faceCount - 1;
for (int i = 0; i < faceCount; i++) {
for (int j = 0; j < faceVertexCount[i]; j++) {
if (vertexCount < 256) {
position++;
} else {
Data.readInt16(data, position);
position += 2;
}
}
}
this.vertexCount = vertexCount;
this.faceCount = faceCount;
}
for (int i = 0; i < face_count; i++) {
for (int j = 0; j < face_vert_count[i]; j++) {
if (vertex_count < 256)
[Unsigned Byte] Unknown
else
[Unsigned Short] Unknown
}
}</pre>
== '''Face sides''' ==