RenderablePicoModel::RenderablePicoModel (picoModel_t* mod)
{
// Get the number of surfaces to create
const int nSurf = PicoGetModelNumSurfaces(mod);
// Create a RenderablePicoSurface for each surface in the structure
for (int n = 0; n < nSurf; ++n) {
// Retrieve the surface, discarding it if it is null or non-triangulated (?)
picoSurface_t* surf = PicoGetModelSurface(mod, n);
if (surf == 0 || PicoGetSurfaceType(surf) != PICO_TRIANGLES)
continue;
// Fix the normals of the surface (?)
PicoFixSurfaceNormals(surf);
// Create the RenderablePicoSurface object and add it to the vector
RenderablePicoSurface rSurf = RenderablePicoSurface(surf);
_surfVec.push_back(rSurf);
// Extend the model AABB to include the surface's AABB
aabb_extend_by_aabb(_localAABB, rSurf.localAABB());
}
const int nShaders = PicoGetModelNumShaders(mod);
for (int n = 0; n < nShaders; n++) {
const picoShader_t *shader = PicoGetModelShader(mod, n);
if (shader) {
modelSkinList.push_back(shader->name);
}
}
std::stringstream polyCountStream;
const int polyCount = getPolyCount();
polyCountStream << polyCount;
polyCountStr = polyCountStream.str();
std::stringstream surfaceCountStream;
const int surfaceCount = getSurfaceCount();
surfaceCountStream << surfaceCount;
surfaceCountStr = surfaceCountStream.str();
std::stringstream vertexCountStream;
const int vertexCount = getVertexCount();
vertexCountStream << vertexCount;
vertexCountStr = vertexCountStream.str();
}
/* _ms3d_load:
* loads a milkshape3d model file.
*/
static picoModel_t *_ms3d_load( PM_PARAMS_LOAD ){
picoModel_t *model;
unsigned char *bufptr, *bufptr0;
int shaderRefs[ MS3D_MAX_GROUPS ];
int numGroups;
int numMaterials;
// unsigned char *ptrToGroups;
int numVerts;
unsigned char *ptrToVerts;
int numTris;
unsigned char *ptrToTris;
int i,k,m;
/* create new pico model */
model = PicoNewModel();
if ( model == NULL ) {
return NULL;
}
/* do model setup */
PicoSetModelFrameNum( model, frameNum );
PicoSetModelName( model, fileName );
PicoSetModelFileName( model, fileName );
bufptr0 = bufptr = (picoByte_t*) _pico_alloc( bufSize );
memcpy( bufptr, buffer, bufSize );
/* skip header */
bufptr += sizeof( TMsHeader );
/* get number of vertices */
bufptr = GetWord( bufptr,&numVerts );
ptrToVerts = bufptr;
#ifdef DEBUG_PM_MS3D
printf( "NumVertices: %d\n",numVerts );
#endif
/* swap verts */
for ( i = 0; i < numVerts; i++ )
{
TMsVertex *vertex;
vertex = (TMsVertex *)bufptr;
bufptr += sizeof( TMsVertex );
vertex->xyz[ 0 ] = _pico_little_float( vertex->xyz[ 0 ] );
vertex->xyz[ 1 ] = _pico_little_float( vertex->xyz[ 1 ] );
vertex->xyz[ 2 ] = _pico_little_float( vertex->xyz[ 2 ] );
#ifdef DEBUG_PM_MS3D_EX_
printf( "Vertex: x: %f y: %f z: %f\n",
msvd[i]->vertex[0],
msvd[i]->vertex[1],
msvd[i]->vertex[2] );
#endif
}
/* get number of triangles */
bufptr = GetWord( bufptr,&numTris );
ptrToTris = bufptr;
#ifdef DEBUG_PM_MS3D
printf( "NumTriangles: %d\n",numTris );
#endif
/* swap tris */
for ( i = 0; i < numTris; i++ )
{
TMsTriangle *triangle;
triangle = (TMsTriangle *)bufptr;
bufptr += sizeof( TMsTriangle );
triangle->flags = _pico_little_short( triangle->flags );
/* run through all tri verts */
for ( k = 0; k < 3; k++ )
{
/* swap tex coords */
triangle->s[ k ] = _pico_little_float( triangle->s[ k ] );
triangle->t[ k ] = _pico_little_float( triangle->t[ k ] );
/* swap fields */
triangle->vertexIndices[ k ] = _pico_little_short( triangle->vertexIndices[ k ] );
triangle->vertexNormals[ 0 ][ k ] = _pico_little_float( triangle->vertexNormals[ 0 ][ k ] );
triangle->vertexNormals[ 1 ][ k ] = _pico_little_float( triangle->vertexNormals[ 1 ][ k ] );
triangle->vertexNormals[ 2 ][ k ] = _pico_little_float( triangle->vertexNormals[ 2 ][ k ] );
/* check for out of range indices */
if ( triangle->vertexIndices[ k ] >= numVerts ) {
_pico_printf( PICO_ERROR,"Vertex %d index %d out of range (%d, max %d)",i,k,triangle->vertexIndices[k],numVerts - 1 );
PicoFreeModel( model );
_pico_free( bufptr0 );
return NULL; /* yuck */
}
}
}
/* get number of groups */
bufptr = GetWord( bufptr,&numGroups );
// ptrToGroups = bufptr;
#ifdef DEBUG_PM_MS3D
printf( "NumGroups: %d\n",numGroups );
#endif
/* run through all groups in model */
for ( i = 0; i < numGroups && i < MS3D_MAX_GROUPS; i++ )
{
picoSurface_t *surface;
TMsGroup *group;
group = (TMsGroup *)bufptr;
bufptr += sizeof( TMsGroup );
/* we ignore hidden groups */
if ( group->flags & MS3D_HIDDEN ) {
bufptr += ( group->numTriangles * 2 ) + 1;
continue;
}
/* forced null term of group name */
group->name[ 31 ] = '\0';
/* create new pico surface */
surface = PicoNewSurface( model );
if ( surface == NULL ) {
PicoFreeModel( model );
_pico_free( bufptr0 );
return NULL;
}
/* do surface setup */
PicoSetSurfaceType( surface,PICO_TRIANGLES );
PicoSetSurfaceName( surface,group->name );
/* process triangle indices */
for ( k = 0; k < group->numTriangles; k++ )
{
TMsTriangle *triangle;
unsigned int triangleIndex;
/* get triangle index */
bufptr = GetWord( bufptr,(int *)&triangleIndex );
/* get ptr to triangle data */
triangle = (TMsTriangle *)( ptrToTris + ( sizeof( TMsTriangle ) * triangleIndex ) );
/* run through triangle vertices */
for ( m = 0; m < 3; m++ )
{
TMsVertex *vertex;
unsigned int vertexIndex;
picoVec2_t texCoord;
/* get ptr to vertex data */
vertexIndex = triangle->vertexIndices[ m ];
vertex = (TMsVertex *)( ptrToVerts + ( sizeof( TMsVertex ) * vertexIndex ) );
/* store vertex origin */
PicoSetSurfaceXYZ( surface,vertexIndex,vertex->xyz );
/* store vertex color */
PicoSetSurfaceColor( surface,0,vertexIndex,white );
/* store vertex normal */
PicoSetSurfaceNormal( surface,vertexIndex,triangle->vertexNormals[ m ] );
/* store current face vertex index */
PicoSetSurfaceIndex( surface,( k * 3 + ( 2 - m ) ),(picoIndex_t)vertexIndex );
/* get texture vertex coord */
texCoord[ 0 ] = triangle->s[ m ];
texCoord[ 1 ] = -triangle->t[ m ]; /* flip t */
/* store texture vertex coord */
PicoSetSurfaceST( surface,0,vertexIndex,texCoord );
}
}
/* store material */
shaderRefs[ i ] = *bufptr++;
#ifdef DEBUG_PM_MS3D
printf( "Group %d: '%s' (%d tris)\n",i,group->name,group->numTriangles );
#endif
}
/* get number of materials */
bufptr = GetWord( bufptr,&numMaterials );
#ifdef DEBUG_PM_MS3D
printf( "NumMaterials: %d\n",numMaterials );
#endif
/* run through all materials in model */
for ( i = 0; i < numMaterials; i++ )
{
picoShader_t *shader;
picoColor_t ambient,diffuse,specular;
TMsMaterial *material;
int k;
material = (TMsMaterial *)bufptr;
bufptr += sizeof( TMsMaterial );
/* null term strings */
material->name [ 31 ] = '\0';
material->texture [ 127 ] = '\0';
material->alphamap[ 127 ] = '\0';
/* ltrim strings */
_pico_strltrim( material->name );
_pico_strltrim( material->texture );
_pico_strltrim( material->alphamap );
/* rtrim strings */
_pico_strrtrim( material->name );
_pico_strrtrim( material->texture );
_pico_strrtrim( material->alphamap );
/* create new pico shader */
shader = PicoNewShader( model );
if ( shader == NULL ) {
PicoFreeModel( model );
_pico_free( bufptr0 );
return NULL;
}
/* scale shader colors */
for ( k = 0; k < 4; k++ )
{
ambient [ k ] = (picoByte_t) ( material->ambient[ k ] * 255 );
diffuse [ k ] = (picoByte_t) ( material->diffuse[ k ] * 255 );
specular[ k ] = (picoByte_t) ( material->specular[ k ] * 255 );
}
/* set shader colors */
PicoSetShaderAmbientColor( shader,ambient );
PicoSetShaderDiffuseColor( shader,diffuse );
PicoSetShaderSpecularColor( shader,specular );
/* set shader transparency */
PicoSetShaderTransparency( shader,material->transparency );
/* set shader shininess (0..127) */
PicoSetShaderShininess( shader,material->shininess );
/* set shader name */
PicoSetShaderName( shader,material->name );
/* set shader texture map name */
PicoSetShaderMapName( shader,material->texture );
#ifdef DEBUG_PM_MS3D
printf( "Material %d: '%s' ('%s','%s')\n",i,material->name,material->texture,material->alphamap );
#endif
}
/* assign shaders to surfaces */
for ( i = 0; i < numGroups && i < MS3D_MAX_GROUPS; i++ )
{
picoSurface_t *surface;
picoShader_t *shader;
/* sanity check */
if ( shaderRefs[ i ] >= MS3D_MAX_MATERIALS ||
shaderRefs[ i ] < 0 ) {
continue;
}
/* get surface */
surface = PicoGetModelSurface( model,i );
if ( surface == NULL ) {
continue;
}
/* get shader */
shader = PicoGetModelShader( model,shaderRefs[ i ] );
if ( shader == NULL ) {
continue;
}
/* assign shader */
PicoSetSurfaceShader( surface,shader );
#ifdef DEBUG_PM_MS3D
printf( "Mapped: %d ('%s') to %d (%s)\n",
shaderRefs[i],shader->name,i,surface->name );
#endif
}
/* return allocated pico model */
_pico_free( bufptr0 );
return model;
// return NULL;
}
