+++ /dev/null
-/* -----------------------------------------------------------------------------
-
-PicoModel Library
-
-Copyright (c) 2002, Randy Reddig & seaw0lf
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-Redistributions of source code must retain the above copyright notice, this list
-of conditions and the following disclaimer.
-
-Redistributions in binary form must reproduce the above copyright notice, this
-list of conditions and the following disclaimer in the documentation and/or
-other materials provided with the distribution.
-
-Neither the names of the copyright holders nor the names of its contributors may
-be used to endorse or promote products derived from this software without
-specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
------------------------------------------------------------------------------ */
-
-/* marker */
-#define PM_LWO_C
-
-/* dependencies */
-#include "picointernal.h"
-#include "lwo/lwo2.h"
-
-/* uncomment when debugging this module */
-/*#define DEBUG_PM_LWO*/
-
-#ifdef DEBUG_PM_LWO
-#include "time.h"
-#endif
-
-/* helper functions */
-static const char *lwo_lwIDToStr( unsigned int lwID )
-{
- static char lwIDStr[5];
-
- if (!lwID)
- {
- return "n/a";
- }
-
- lwIDStr[ 0 ] = (char)((lwID) >> 24);
- lwIDStr[ 1 ] = (char)((lwID) >> 16);
- lwIDStr[ 2 ] = (char)((lwID) >> 8);
- lwIDStr[ 3 ] = (char)((lwID));
- lwIDStr[ 4 ] = '\0';
-
- return lwIDStr;
-}
-
-/*
-_lwo_canload()
-validates a LightWave Object model file. btw, i use the
-preceding underscore cause it's a static func referenced
-by one structure only.
-*/
-static int _lwo_canload( PM_PARAMS_CANLOAD )
-{
- picoMemStream_t *s;
- unsigned int failID = 0;
- int failpos = -1;
- int ret;
-
- /* create a new pico memorystream */
- s = _pico_new_memstream( (const picoByte_t *)buffer, bufSize );
- if (s == NULL)
- {
- return PICO_PMV_ERROR_MEMORY;
- }
-
- ret = lwValidateObject( fileName, s, &failID, &failpos );
-
- _pico_free_memstream( s );
-
- return ret;
-}
-
-/*
-_lwo_load()
-loads a LightWave Object model file.
-*/
-static picoModel_t *_lwo_load( PM_PARAMS_LOAD )
-{
- picoMemStream_t *s;
- unsigned int failID = 0;
- int failpos = -1;
- lwObject *obj;
- lwSurface *surface;
- lwLayer *layer;
- lwPoint *pt;
- lwPolygon *pol;
- lwPolVert *v;
- lwVMapPt *vm;
- char name[ 256 ];
- int i, j, k, numverts;
-
- picoModel_t *picoModel;
- picoSurface_t *picoSurface;
- picoShader_t *picoShader;
- picoVec3_t xyz, normal;
- picoVec2_t st;
- picoColor_t color;
-
- int defaultSTAxis[ 2 ];
- picoVec2_t defaultXYZtoSTScale;
-
- picoVertexCombinationHash_t **hashTable;
- picoVertexCombinationHash_t *vertexCombinationHash;
-
-#ifdef DEBUG_PM_LWO
- clock_t load_start, load_finish, convert_start, convert_finish;
- double load_elapsed, convert_elapsed;
-
- load_start = clock();
-#endif
-
- /* do frame check */
- if( frameNum < 0 || frameNum >= 1 )
- {
- _pico_printf( PICO_ERROR, "Invalid or out-of-range LWO frame specified" );
- return NULL;
- }
-
- /* create a new pico memorystream */
- s = _pico_new_memstream( (const picoByte_t *)buffer, bufSize );
- if (s == NULL)
- {
- return NULL;
- }
-
- obj = lwGetObject( fileName, s, &failID, &failpos );
-
- _pico_free_memstream( s );
-
- if( !obj ) {
- _pico_printf( PICO_ERROR, "Couldn't load LWO file, failed on ID '%s', position %d", lwo_lwIDToStr( failID ), failpos );
- return NULL;
- }
-
-#ifdef DEBUG_PM_LWO
- convert_start = load_finish = clock();
- load_elapsed = (double)(load_finish - load_start) / CLOCKS_PER_SEC;
-#endif
-
- /* -------------------------------------------------
- pico model creation
- ------------------------------------------------- */
-
- /* create a new pico model */
- picoModel = PicoNewModel();
- if (picoModel == NULL)
- {
- _pico_printf( PICO_ERROR, "Unable to allocate a new model" );
- return NULL;
- }
-
- /* do model setup */
- PicoSetModelFrameNum( picoModel, frameNum );
- PicoSetModelNumFrames( picoModel, 1 );
- PicoSetModelName( picoModel, fileName );
- PicoSetModelFileName( picoModel, fileName );
-
- /* create all polygons from layer[ 0 ] that belong to this surface */
- layer = &obj->layer[0];
-
- /* warn the user that other layers are discarded */
- if (obj->nlayers > 1)
- {
- _pico_printf( PICO_WARNING, "LWO loader discards any geometry data not in Layer 1 (%d layers found)", obj->nlayers );
- }
-
- /* initialize dummy normal */
- normal[ 0 ] = normal[ 1 ] = normal[ 2 ] = 0.f;
-
- /* setup default st map */
- st[ 0 ] = st[ 1 ] = 0.f; /* st[0] holds max, st[1] holds max par one */
- defaultSTAxis[ 0 ] = 0;
- defaultSTAxis[ 1 ] = 1;
- for( i = 0; i < 3; i++ )
- {
- float min = layer->bbox[ i ];
- float max = layer->bbox[ i + 3 ];
- float size = max - min;
-
- if (size > st[ 0 ])
- {
- defaultSTAxis[ 1 ] = defaultSTAxis[ 0 ];
- defaultSTAxis[ 0 ] = i;
-
- st[ 1 ] = st[ 0 ];
- st[ 0 ] = size;
- }
- else if (size > st[ 1 ])
- {
- defaultSTAxis[ 1 ] = i;
- st[ 1 ] = size;
- }
- }
- defaultXYZtoSTScale[ 0 ] = 4.f / st[ 0 ];
- defaultXYZtoSTScale[ 1 ] = 4.f / st[ 1 ];
-
- /* LWO surfaces become pico surfaces */
- surface = obj->surf;
- while (surface)
- {
- /* allocate new pico surface */
- picoSurface = PicoNewSurface( picoModel );
- if (picoSurface == NULL)
- {
- _pico_printf( PICO_ERROR, "Unable to allocate a new model surface" );
- PicoFreeModel( picoModel );
- lwFreeObject( obj );
- return NULL;
- }
-
- /* LWO model surfaces are all triangle meshes */
- PicoSetSurfaceType( picoSurface, PICO_TRIANGLES );
-
- /* set surface name */
- PicoSetSurfaceName( picoSurface, surface->name );
-
- /* create new pico shader */
- picoShader = PicoNewShader( picoModel );
- if (picoShader == NULL)
- {
- _pico_printf( PICO_ERROR, "Unable to allocate a new model shader" );
- PicoFreeModel( picoModel );
- lwFreeObject( obj );
- return NULL;
- }
-
- /* detox and set shader name */
- strncpy( name, surface->name, sizeof(name) );
- _pico_first_token( name );
- _pico_setfext( name, "" );
- _pico_unixify( name );
- PicoSetShaderName( picoShader, name );
-
- /* associate current surface with newly created shader */
- PicoSetSurfaceShader( picoSurface, picoShader );
-
- /* copy indices and vertex data */
- numverts = 0;
-
- hashTable = PicoNewVertexCombinationHashTable();
-
- if (hashTable == NULL)
- {
- _pico_printf( PICO_ERROR, "Unable to allocate hash table" );
- PicoFreeModel( picoModel );
- lwFreeObject( obj );
- return NULL;
- }
-
- for( i = 0, pol = layer->polygon.pol; i < layer->polygon.count; i++, pol++ )
- {
- /* does this polygon belong to this surface? */
- if (pol->surf != surface)
- continue;
-
- /* we only support polygons of the FACE type */
- if (pol->type != ID_FACE)
- {
- _pico_printf( PICO_WARNING, "LWO loader discarded a polygon because it's type != FACE (%s)", lwo_lwIDToStr( pol->type ) );
- continue;
- }
-
- /* NOTE: LWO has support for non-convex polygons, do we want to store them as well? */
- if (pol->nverts != 3)
- {
- _pico_printf( PICO_WARNING, "LWO loader discarded a polygon because it has != 3 verts (%d)", pol->nverts );
- continue;
- }
-
- for( j = 0, v = pol->v; j < 3; j++, v++ )
- {
- pt = &layer->point.pt[ v->index ];
-
- /* setup data */
- xyz[ 0 ] = pt->pos[ 0 ];
- xyz[ 1 ] = pt->pos[ 2 ];
- xyz[ 2 ] = pt->pos[ 1 ];
-
-/* doom3 lwo data doesn't seem to have smoothing-angle information */
-#if 0
- if(surface->smooth <= 0)
- {
- /* use face normals */
- normal[ 0 ] = v->norm[ 0 ];
- normal[ 1 ] = v->norm[ 2 ];
- normal[ 2 ] = v->norm[ 1 ];
- }
- else
-#endif
- {
- /* smooth normals later */
- normal[ 0 ] = 0;
- normal[ 1 ] = 0;
- normal[ 2 ] = 0;
- }
-
- st[ 0 ] = xyz[ defaultSTAxis[ 0 ] ] * defaultXYZtoSTScale[ 0 ];
- st[ 1 ] = xyz[ defaultSTAxis[ 1 ] ] * defaultXYZtoSTScale[ 1 ];
-
- color[ 0 ] = (picoByte_t)(surface->color.rgb[ 0 ] * surface->diffuse.val * 0xFF);
- color[ 1 ] = (picoByte_t)(surface->color.rgb[ 1 ] * surface->diffuse.val * 0xFF);
- color[ 2 ] = (picoByte_t)(surface->color.rgb[ 2 ] * surface->diffuse.val * 0xFF);
- color[ 3 ] = 0xFF;
-
- /* set from points */
- for( k = 0, vm = pt->vm; k < pt->nvmaps; k++, vm++ )
- {
- if (vm->vmap->type == LWID_('T','X','U','V'))
- {
- /* set st coords */
- st[ 0 ] = vm->vmap->val[ vm->index ][ 0 ];
- st[ 1 ] = 1.f - vm->vmap->val[ vm->index ][ 1 ];
- }
- else if (vm->vmap->type == LWID_('R','G','B','A'))
- {
- /* set rgba */
- color[ 0 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 0 ] * surface->color.rgb[ 0 ] * surface->diffuse.val * 0xFF);
- color[ 1 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 1 ] * surface->color.rgb[ 1 ] * surface->diffuse.val * 0xFF);
- color[ 2 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 2 ] * surface->color.rgb[ 2 ] * surface->diffuse.val * 0xFF);
- color[ 3 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 3 ] * 0xFF);
- }
- }
-
- /* override with polygon data */
- for( k = 0, vm = v->vm; k < v->nvmaps; k++, vm++ )
- {
- if (vm->vmap->type == LWID_('T','X','U','V'))
- {
- /* set st coords */
- st[ 0 ] = vm->vmap->val[ vm->index ][ 0 ];
- st[ 1 ] = 1.f - vm->vmap->val[ vm->index ][ 1 ];
- }
- else if (vm->vmap->type == LWID_('R','G','B','A'))
- {
- /* set rgba */
- color[ 0 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 0 ] * surface->color.rgb[ 0 ] * surface->diffuse.val * 0xFF);
- color[ 1 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 1 ] * surface->color.rgb[ 1 ] * surface->diffuse.val * 0xFF);
- color[ 2 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 2 ] * surface->color.rgb[ 2 ] * surface->diffuse.val * 0xFF);
- color[ 3 ] = (picoByte_t)(vm->vmap->val[ vm->index ][ 3 ] * 0xFF);
- }
- }
-
- /* find vertex in this surface and if we can't find it there create it */
- vertexCombinationHash = PicoFindVertexCombinationInHashTable( hashTable, xyz, normal, st, color );
-
- if (vertexCombinationHash)
- {
- /* found an existing one */
- PicoSetSurfaceIndex( picoSurface, (i * 3 + j ), vertexCombinationHash->index );
- }
- else
- {
- /* it is a new one */
- vertexCombinationHash = PicoAddVertexCombinationToHashTable( hashTable, xyz, normal, st, color, (picoIndex_t) numverts );
-
- if (vertexCombinationHash == NULL)
- {
- _pico_printf( PICO_ERROR, "Unable to allocate hash bucket entry table" );
- PicoFreeVertexCombinationHashTable( hashTable );
- PicoFreeModel( picoModel );
- lwFreeObject( obj );
- return NULL;
- }
-
- /* add the vertex to this surface */
- PicoSetSurfaceXYZ( picoSurface, numverts, xyz );
-
- /* set dummy normal */
- PicoSetSurfaceNormal( picoSurface, numverts, normal );
-
- /* set color */
- PicoSetSurfaceColor( picoSurface, 0, numverts, color );
-
- /* set st coords */
- PicoSetSurfaceST( picoSurface, 0, numverts, st );
-
- /* set index */
- PicoSetSurfaceIndex( picoSurface, (i * 3 + j ), (picoIndex_t) numverts );
-
- numverts++;
- }
- }
- }
-
- /* free the hashtable */
- PicoFreeVertexCombinationHashTable( hashTable );
-
- /* get next surface */
- surface = surface->next;
- }
-
-#ifdef DEBUG_PM_LWO
- load_start = convert_finish = clock();
-#endif
-
- lwFreeObject( obj );
-
-#ifdef DEBUG_PM_LWO
- load_finish = clock();
- load_elapsed += (double)(load_finish - load_start) / CLOCKS_PER_SEC;
- convert_elapsed = (double)(convert_finish - convert_start) / CLOCKS_PER_SEC;
- _pico_printf( PICO_NORMAL, "Loaded model in in %-.2f second(s) (loading: %-.2fs converting: %-.2fs)\n", load_elapsed + convert_elapsed, load_elapsed, convert_elapsed );
-#endif
-
- /* return the new pico model */
- return picoModel;
-}
-
-/* pico file format module definition */
-const picoModule_t picoModuleLWO =
-{
- "1.0", /* module version string */
- "LightWave Object", /* module display name */
- "Arnout van Meer", /* author's name */
- "2003 Arnout van Meer, 2000 Ernie Wright", /* module copyright */
- {
- "lwo", NULL, NULL, NULL /* default extensions to use */
- },
- _lwo_canload, /* validation routine */
- _lwo_load, /* load routine */
- NULL, /* save validation routine */
- NULL /* save routine */
-};
projects / voretournament / voretournament.git / blobdiff