JRAD: /* Simple Types */

2007-12-12T10:40:13Z

‎Simple Types

JRAD: /* Simple Types */

2007-12-12T10:40:01Z

‎Simple Types

JRAD at 19:10, 11 December 2007

2007-12-11T19:10:48Z

New page

=== Simple Types ===
These are all stored as little-endian

----

* bool = 1 byte
* unsigned char = 1 byte
* int = 4 bytes
* float = 4 bytes

=== Compound types ===

----

* vec3 = float x, float y, float z
* bounds = vec3 mins, vec3 maxs
* string = int length, char[ length ]

=== File Structure ===
chunk id;
chunk data;
...
chunk id;
chunk data;

=== Chunks needed for loading geometry data ===
----

==== Material Table ====
material chunk {
string id = "materials";
int numMaterials;
string array[ numMaterials ];
}

==== Model Chunk ====
model chunk {
string id = "model";
int chunkLength;
string name;

int numSurfaces;
int numAreas;
int array[ numAreas ];

for each of numSurfaces {
int materialIndex;
bool hasVertexColor;
bounds surfaceBounds;

int numVerts;
int numIndices;
int __privateCount;

for each of numVerts {
int numVertexElements; // should always be 12
float vertex[ numVertexElements ];

int numColorElements; // should always be 4
unsigned char color[ numColorElements ];
// if hasVertexColor is true, use the color read above; otherwise the color is "255 255 255 255"

// vertex[ 0 ] - x
// vertex[ 1 ] - y
// vertex[ 2 ] - z

// vertex[ 3 ] - s
// vertex[ 4 ] - t

// vertex[ 5 ] - normal x
// vertex[ 6 ] - normal y
// vertex[ 7 ] - normal z

// vertex[ 8 ] - tangent x
// vertex[ 9 ] - tangent y
// vertex[ 10 ] - tangent z
// vertex[ 11 ] - bitangent sign
}
for each of numIndices {
int index;
}

for each of __privateCount {
float __private[ 6 ];
int __private;
int __private;
int __private;
int __private;
}
}
}

all_other_chunks {
string id;
int chunkLength;
<skip ahead by chunklength to get to the next chunk>
}

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 === Simple Types ===
 '''These are all stored as little-endian'''
 ----

PROCB - Revision history

JRAD: /* Simple Types */

JRAD: /* Simple Types */

JRAD at 19:10, 11 December 2007