MAPA (File Format): Difference between revisions
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Formatting
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=Format= | == Format == | ||
== Header == | === Header === | ||
The header is very straight forward, and has some minor differences depending on version, the unknown values don't seem to do anything, however not much research has been put into them. | The header is very straight forward, and has some minor differences depending on version, the unknown values don't seem to do anything, however not much research has been put into them. | ||
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=== Version === | ==== Version ==== | ||
The version value listed above can have the following values: | The version value listed above can have the following values: | ||
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== Point of Interest == | === Point of Interest === | ||
A Point of Interest in the Metroid Prime series can include: Mission Objectives, Elevators, Doors, Map Stations, and Missile Stations, each Point of Interest entry consists of the following struct: | A Point of Interest in the Metroid Prime series can include: Mission Objectives, Elevators, Doors, Map Stations, and Missile Stations, each Point of Interest entry consists of the following struct: | ||
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Vertices are a simple array of CVector3f. Geometry in MAPAs is, almost always, centered around the origin (0, 0, 0) and are simplified, full sized, versions of the map they replicate. Each vertex is referenced at least twice: once for the primitive, once for the line border. | Vertices are a simple array of CVector3f. Geometry in MAPAs is, almost always, centered around the origin (0, 0, 0) and are simplified, full sized, versions of the map they replicate. Each vertex is referenced at least twice: once for the primitive, once for the line border. | ||
==Primitive Headers== | === Primitive Headers === | ||
The Primitive headers are extremely simple, they merely have a bounding box followed by the primitive table start and end point, relative to the end of the current primitive header. In other words: read in the header, seek to the start of the table from the '''current''' position, then read the primitives tables. | The Primitive headers are extremely simple, they merely have a bounding box followed by the primitive table start and end point, relative to the end of the current primitive header. In other words: read in the header, seek to the start of the table from the '''current''' position, then read the primitives tables. | ||
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==Primitive Table== | === Primitive Table === | ||
The Primitive is also fairly simple, each one consists of two parts: The GX Primitive list, and the Border list. | The Primitive is also fairly simple, each one consists of two parts: The GX Primitive list, and the Border list. | ||
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== Primitive == | === Primitive === | ||
A primitive in a MAPA is a simple 4 byte aligned list of indices into the vertex list, starting with the GX Primitive type, a count, then an array of indices, each index taking up one byte. | A primitive in a MAPA is a simple 4 byte aligned list of indices into the vertex list, starting with the GX Primitive type, a count, then an array of indices, each index taking up one byte. | ||
== Border == | === Border === | ||
A border in a MAPA is a simple count followed by a 4 byte aligned list indices into the vertex list, each index taking up one byte. A border is simply drawn using GX_LINESTRIP. | A border in a MAPA is a simple count followed by a 4 byte aligned list indices into the vertex list, each index taking up one byte. A border is simply drawn using GX_LINESTRIP. | ||