| 129 | | static bool read_packed_floats( x42inStream_t *file_stream, size_t *inPos, |
|---|
| 130 | | const vec2_t *bounds, uint components, float *dest, uint elements, |
|---|
| 131 | | size_t elemStride ) |
|---|
| 132 | | { |
|---|
| 133 | | uint i; |
|---|
| 134 | | float scale[4], bias[4]; |
|---|
| 135 | | size_t cbElem; |
|---|
| 136 | | |
|---|
| 137 | | if( !elements ) |
|---|
| 138 | | return true; |
|---|
| 139 | | |
|---|
| 140 | | for( i = 0; i < components; i++ ) |
|---|
| 141 | | { |
|---|
| 142 | | bias[i] = bounds[i][0]; |
|---|
| 143 | | scale[i] = (bounds[i][1] - bounds[i][0]) / 65530.0F; |
|---|
| 144 | | } |
|---|
| 145 | | |
|---|
| 146 | | cbElem = sizeof( u16 ) * components; |
|---|
| 147 | | |
|---|
| 148 | | for( i = 0; i < elements; i++ ) |
|---|
| 149 | | { |
|---|
| 150 | | uint c; |
|---|
| 151 | | u16 buf[4]; |
|---|
| 152 | | |
|---|
| 153 | | if( read_n( buf, cbElem, file_stream ) != cbElem ) |
|---|
| 154 | | return false; |
|---|
| 155 | | |
|---|
| 156 | | for( c = 0; c < components; c++ ) |
|---|
| 157 | | dest[c] = buf[c] * scale[c] + bias[c]; |
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| 158 | | |
|---|
| 159 | | dest = (float*)((byte*)dest + elemStride); |
|---|
| 160 | | } |
|---|
| 161 | | |
|---|
| 162 | | *inPos += cbElem * elements; |
|---|
| 163 | | return true; |
|---|
| 164 | | } |
|---|
| 165 | | |
|---|
| 166 | | static bool read_packed_floats_swp( x42inStream_t *file_stream, size_t *inPos, |
|---|
| 167 | | const vec2_t *bounds, uint components, float *dest, uint elements, |
|---|
| 168 | | size_t elemStride ) |
|---|
| 169 | | { |
|---|
| 170 | | uint i; |
|---|
| 171 | | float scale[4], bias[4]; |
|---|
| 172 | | size_t cbElem; |
|---|
| 173 | | |
|---|
| 174 | | if( !elements ) |
|---|
| 175 | | return true; |
|---|
| 176 | | |
|---|
| 177 | | for( i = 0; i < components; i++ ) |
|---|
| 178 | | { |
|---|
| 179 | | bias[i] = bounds[i][0]; |
|---|
| 180 | | scale[i] = (bounds[i][1] - bounds[i][0]) / 65530.0F; |
|---|
| 181 | | } |
|---|
| 182 | | |
|---|
| 183 | | cbElem = sizeof( u16 ) * components; |
|---|
| 184 | | |
|---|
| 185 | | for( i = 0; i < elements; i++ ) |
|---|
| 186 | | { |
|---|
| 187 | | uint c; |
|---|
| 188 | | u16 buf[4]; |
|---|
| 189 | | |
|---|
| 190 | | if( read_n( buf, cbElem, file_stream ) != cbElem ) |
|---|
| 191 | | return false; |
|---|
| 192 | | |
|---|
| 193 | | for( c = 0; c < components; c++ ) |
|---|
| 194 | | dest[c] = (float)(int)swap_u16( buf[c] ) * scale[c] + bias[c]; |
|---|
| 195 | | |
|---|
| 196 | | dest = (float*)((byte*)dest + elemStride); |
|---|
| 197 | | } |
|---|
| 198 | | |
|---|
| 199 | | *inPos += cbElem * elements; |
|---|
| 200 | | return true; |
|---|
| 201 | | } |
|---|
| 202 | | |
|---|
| 203 | | static bool read_packed_floats_s16n( x42inStream_t *file_stream, size_t *inPos, |
|---|
| 204 | | uint components, float *dest, uint elements, |
|---|
| 205 | | size_t elemStride ) |
|---|
| 206 | | { |
|---|
| 207 | | uint i; |
|---|
| 208 | | size_t cbElem; |
|---|
| 209 | | |
|---|
| 210 | | if( !elements ) |
|---|
| 211 | | return true; |
|---|
| 212 | | |
|---|
| 213 | | cbElem = sizeof( s16 ) * components; |
|---|
| 214 | | |
|---|
| 215 | | for( i = 0; i < elements; i++ ) |
|---|
| 216 | | { |
|---|
| 217 | | uint c; |
|---|
| 218 | | s16 buf[4]; |
|---|
| 219 | | |
|---|
| 220 | | if( read_n( buf, cbElem, file_stream ) != cbElem ) |
|---|
| 221 | | return false; |
|---|
| 222 | | |
|---|
| 223 | | for( c = 0; c < components; c++ ) |
|---|
| 224 | | dest[c] = X42_FLOAT_S16N_UNPACK( buf[c] ); |
|---|
| 225 | | |
|---|
| 226 | | dest = (float*)((byte*)dest + elemStride); |
|---|
| 227 | | } |
|---|
| 228 | | |
|---|
| 229 | | *inPos += cbElem * elements; |
|---|
| 230 | | return true; |
|---|
| 231 | | } |
|---|
| 232 | | |
|---|
| 233 | | static bool read_packed_floats_s16n_swp( x42inStream_t *file_stream, size_t *inPos, |
|---|
| 234 | | uint components, float *dest, uint elements, |
|---|
| 235 | | size_t elemStride ) |
|---|
| 236 | | { |
|---|
| 237 | | uint i; |
|---|
| 238 | | size_t cbElem; |
|---|
| 239 | | |
|---|
| 240 | | if( !elements ) |
|---|
| 241 | | return true; |
|---|
| 242 | | |
|---|
| 243 | | cbElem = sizeof( s16 ) * components; |
|---|
| 244 | | |
|---|
| 245 | | for( i = 0; i < elements; i++ ) |
|---|
| 246 | | { |
|---|
| 247 | | uint c; |
|---|
| 248 | | s16 buf[4]; |
|---|
| 249 | | |
|---|
| 250 | | if( read_n( buf, cbElem, file_stream ) != cbElem ) |
|---|
| 251 | | return false; |
|---|
| 252 | | |
|---|
| 253 | | for( c = 0; c < components; c++ ) |
|---|
| 254 | | dest[c] = X42_FLOAT_S16N_UNPACK( swap_s16( buf[c] ) ); |
|---|
| 255 | | |
|---|
| 256 | | dest = (float*)((byte*)dest + elemStride); |
|---|
| 257 | | } |
|---|
| 258 | | |
|---|
| 259 | | *inPos += cbElem * elements; |
|---|
| 260 | | return true; |
|---|
| 261 | | } |
|---|
| 262 | | |
|---|
| 263 | | static bool read_packed_floats_s8n( x42inStream_t *file_stream, size_t *inPos, |
|---|
| 264 | | uint components, float *dest, uint elements, |
|---|
| 265 | | size_t elemStride ) |
|---|
| 266 | | { |
|---|
| 267 | | uint i; |
|---|
| 268 | | size_t cbElem; |
|---|
| 269 | | |
|---|
| 270 | | if( !elements ) |
|---|
| 271 | | return true; |
|---|
| 272 | | |
|---|
| 273 | | cbElem = sizeof( s8 ) * components; |
|---|
| 274 | | |
|---|
| 275 | | for( i = 0; i < elements; i++ ) |
|---|
| 276 | | { |
|---|
| 277 | | uint c; |
|---|
| 278 | | s8 buf[8]; |
|---|
| 279 | | |
|---|
| 280 | | if( read_n( buf, cbElem, file_stream ) != cbElem ) |
|---|
| 281 | | return false; |
|---|
| 282 | | |
|---|
| 283 | | for( c = 0; c < components; c++ ) |
|---|
| 284 | | dest[c] = X42_FLOAT_S8N_UNPACK( buf[c] ); |
|---|
| 285 | | |
|---|
| 286 | | dest = (float*)((byte*)dest + elemStride); |
|---|
| 287 | | } |
|---|
| 288 | | |
|---|
| 289 | | *inPos += cbElem * elements; |
|---|
| 290 | | return true; |
|---|
| 291 | | } |
|---|
| 292 | | |
|---|
| 293 | | #define read_packed_floats_s8n_swp read_packed_floats_s8n |
|---|
| 294 | | |
|---|
| 295 | | static bool skip_block( x42inStream_t *file_stream, size_t cb ) |
|---|
| | 102 | static bool skip_block( stmSrc_t *src, size_t cb ) |
|---|
| | 124 | } |
|---|
| | 125 | |
|---|
| | 126 | /******************************************************** |
|---|
| | 127 | Swapped/Unswapped loader routines. |
|---|
| | 128 | |
|---|
| | 129 | Functions that vary only by whether they swap or not |
|---|
| | 130 | are defined in load-int1.inc. |
|---|
| | 131 | |
|---|
| | 132 | This file is included twice, once for unswapped |
|---|
| | 133 | reading, and once for swapped. The macros around the |
|---|
| | 134 | include site define the behavior. |
|---|
| | 135 | ********************************************************/ |
|---|
| | 136 | |
|---|
| | 137 | #define read_s16( l ) (l) |
|---|
| | 138 | #define read_u16( l ) (l) |
|---|
| | 139 | #define read_u32( l ) (l) |
|---|
| | 140 | #define read_f32( f ) (f) |
|---|
| | 141 | |
|---|
| | 142 | #define SWP_EXT dir |
|---|
| | 143 | |
|---|
| | 144 | #include "load-int1.inc.h" |
|---|
| | 145 | |
|---|
| | 146 | #undef SWP_EXT |
|---|
| | 147 | |
|---|
| | 148 | #undef read_f32 |
|---|
| | 149 | #undef read_u32 |
|---|
| | 150 | #undef read_u16 |
|---|
| | 151 | #undef read_s16 |
|---|
| | 152 | |
|---|
| | 153 | #define read_s16( l ) swap_s16( l ) |
|---|
| | 154 | #define read_u16( l ) swap_u16( l ) |
|---|
| | 155 | #define read_u32( l ) swap_u32( l ) |
|---|
| | 156 | #define read_f32( f ) swap_f32( f ) |
|---|
| | 157 | |
|---|
| | 158 | #define SWP_EXT swp |
|---|
| | 159 | |
|---|
| | 160 | #include "load-int1.inc.h" |
|---|
| | 161 | |
|---|
| | 162 | #undef SWP_EXT |
|---|
| | 163 | |
|---|
| | 164 | #undef read_f32 |
|---|
| | 165 | #undef read_u32 |
|---|
| | 166 | #undef read_u16 |
|---|
| | 167 | #undef read_s16 |
|---|
| | 168 | |
|---|
| | 169 | X42_EXPORT bool X42_CALL x42_ValidateIdent( const x42Header_ident_t *h ) |
|---|
| | 170 | { |
|---|
| | 171 | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| | 172 | demand_rf( h != NULL, X42_ERR_BADPTR, "Expected valid x42Header pointer, got NULL instead." ); |
|---|
| | 173 | #endif |
|---|
| | 174 | |
|---|
| | 175 | if( h->ident != X42_IDENT ) |
|---|
| | 176 | return false; |
|---|
| | 177 | |
|---|
| | 178 | switch( h->version ) |
|---|
| | 179 | { |
|---|
| | 180 | case X42_VER_V5: |
|---|
| | 181 | case X42_VER_V6: |
|---|
| | 182 | break; |
|---|
| | 183 | |
|---|
| | 184 | default: |
|---|
| | 185 | return false; |
|---|
| | 186 | } |
|---|
| | 187 | |
|---|
| | 188 | return true; |
|---|
| | 189 | } |
|---|
| | 190 | |
|---|
| | 191 | X42_EXPORT bool X42_CALL x42_ValidateHeader( const x42header_t *h ) |
|---|
| | 192 | { |
|---|
| | 193 | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| | 194 | demand_rf( h != NULL, X42_ERR_BADPTR, "Expected valid x42Header pointer, got NULL instead." ); |
|---|
| | 195 | #endif |
|---|
| | 196 | |
|---|
| | 197 | if( !x42_ValidateIdent( &h->ident ) ) |
|---|
| | 198 | return false; |
|---|
| | 199 | |
|---|
| | 200 | return true; |
|---|
| | 201 | } |
|---|
| | 202 | |
|---|
| | 203 | /* |
|---|
| | 204 | The actual loader functions follow. |
|---|
| | 205 | |
|---|
| | 206 | The out_buffer parameter must point to a buffer that is at least x42_GetLoadedSize bytes long. |
|---|
| | 207 | The h parameter points to the x42 file's header. |
|---|
| | 208 | |
|---|
| | 209 | The last parameter is a mechanism to get all of the file data that follows the header. So if |
|---|
| | 210 | you're passing in a stream it should be seeked to sizeof( x42Header_t ) bytes into the file. |
|---|
| | 211 | |
|---|
| | 212 | Freeing the file is simple: just free the buffer you passed in and it's gone. All of the data associated |
|---|
| | 213 | with an in-memory x42 file is stored in that buffer. |
|---|
| | 214 | |
|---|
| | 215 | These functions will return NULL if they fail. |
|---|
| | 216 | */ |
|---|
| | 217 | X42_EXPORT x42data_t* X42_CALL x42_LoadDataFromStream( void *out_buffer, const x42header_t *h, |
|---|
| | 218 | uint persist_flags, x42inStream_t *file_stream ) |
|---|
| | 219 | { |
|---|
| | 220 | bool stat; |
|---|
| | 221 | x42data_t *ret; |
|---|
| | 222 | size_t inPos; |
|---|
| | 223 | |
|---|
| | 224 | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| | 225 | demand_rn( out_buffer != NULL, X42_ERR_BADPTR, "out_buffer is NULL" ); |
|---|
| | 226 | demand_rn( h != NULL, X42_ERR_BADPTR, "Expected valid x42Header pointer, got NULL instead." ); |
|---|
| | 227 | demand_rn( x42_ValidateHeader( h ), X42_ERR_BADDATA, "Invalid x42 file header." ); |
|---|
| | 228 | demand_rn( file_stream != NULL, X42_ERR_BADPTR, "file_stream is NULL" ); |
|---|
| | 229 | demand_rn( file_stream->read_fn != NULL, X42_ERR_BADSTREAM, "file_stream has a NULL read_fn" ); |
|---|
| | 230 | #endif |
|---|
| | 231 | |
|---|
| | 232 | ret = x42_SetupBufferPointers( out_buffer, h, persist_flags ); |
|---|
| | 233 | demand_rn( ret != NULL, X42_ERR_INTERNAL, "failed to set up buffer pointers" ); |
|---|
| | 234 | |
|---|
| | 235 | inPos = sizeof( x42Header_ident_t ); |
|---|
| | 236 | switch( h->ident.version ) |
|---|
| | 237 | { |
|---|
| | 238 | case X42_VER_V5: |
|---|
| | 239 | inPos += sizeof( x42Header_v5_t ); |
|---|
| | 240 | break; |
|---|
| | 241 | |
|---|
| | 242 | case X42_VER_V6: |
|---|
| | 243 | inPos += sizeof( x42Header_v6_t ); |
|---|
| | 244 | break; |
|---|
| | 245 | |
|---|
| | 246 | default: |
|---|
| | 247 | fail_rn( X42_ERR_INTERNAL, "invalid file version" ); |
|---|
| | 248 | } |
|---|
| | 249 | |
|---|
| | 250 | if( h->runFlags & X42_RF_LOAD_SWAPPED ) |
|---|
| | 251 | { |
|---|
| | 252 | stat = load_swapped( ret, h, file_stream, inPos ); |
|---|
| | 253 | } |
|---|
| | 254 | else |
|---|
| | 255 | { |
|---|
| | 256 | stat = load_direct( ret, h, file_stream, inPos ); |
|---|
| | 257 | } |
|---|
| | 258 | |
|---|
| | 259 | demand_rn( stat, X42_ERR_INTERNAL, "failed to load file data" ); |
|---|
| | 260 | |
|---|
| | 261 | return ret; |
|---|
| 509 | | static void fixup_persist_flags( uint *pf, const x42header_t *h ) |
|---|
| 510 | | { |
|---|
| 511 | | if( !(h->modelFlags & X42_MF_HAS_NORMALS) ) |
|---|
| 512 | | *pf &= ~X42_PERSIST_NORMALS; |
|---|
| 513 | | if( !(h->modelFlags & X42_MF_HAS_TANGENT_BASIS) ) |
|---|
| 514 | | *pf &= ~X42_PERSIST_TANGENT_BASIS; |
|---|
| 515 | | if( !(h->modelFlags &X42_MF_HAS_TEXTURE_COORDINATES) ) |
|---|
| 516 | | *pf &= ~X42_PERSIST_TEXTURE_COORDINATES; |
|---|
| 517 | | if( !(h->modelFlags & X42_MF_HAS_COLORS) ) |
|---|
| 518 | | *pf &= ~X42_PERSIST_COLORS; |
|---|
| 519 | | } |
|---|
| 520 | | |
|---|
| 521 | | //get the size of buffer a given x42 file (represented by its header) will use in memory |
|---|
| 522 | | X42_EXPORT size_t X42_CALL x42_GetLoadedSize( const x42header_t *h, uint persist_flags ) |
|---|
| 523 | | { |
|---|
| 524 | | size_t ret; |
|---|
| 525 | | |
|---|
| 526 | | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| 527 | | demand_rz( h != NULL, X42_ERR_BADPTR, "Expected valid x42Header pointer, got NULL instead." ); |
|---|
| 528 | | demand_rz( x42_ValidateHeader( h ), X42_ERR_BADDATA, "Invalid x42 file header." ); |
|---|
| 529 | | #endif |
|---|
| 530 | | |
|---|
| 531 | | fixup_persist_flags( &persist_flags, h ); |
|---|
| 532 | | |
|---|
| 533 | | ret = sizeof( x42data_t ); |
|---|
| 534 | | |
|---|
| 535 | | /* |
|---|
| 536 | | The x42data_t struct always resides at the start |
|---|
| 537 | | of the buffer. Sneak in 16 bytes so that the buffer |
|---|
| 538 | | pointer can be pushed to a 16-byte boundary before |
|---|
| 539 | | we lay out the rest of the data. |
|---|
| 540 | | */ |
|---|
| 541 | | ret += sizeof( float[4] ); |
|---|
| 542 | | |
|---|
| 543 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42keyStreamEntry_t ) * h->keyStreamLength; |
|---|
| 544 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42animation_t ) * h->numAnims; |
|---|
| 545 | | |
|---|
| 546 | | ret = align( ret, sizeof( float ) ) + sizeof( vec3_t ) * h->numPosValues; |
|---|
| 547 | | ret = align( ret, sizeof( float ) ) + sizeof( vec3_t ) * h->numScaleValues; |
|---|
| 548 | | ret = align( ret, sizeof( float ) ) + sizeof( quat_t ) * h->numRotValues; |
|---|
| 549 | | |
|---|
| 550 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42animGroup_t ) * h->numAnimGroups; |
|---|
| 551 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42bone_t ) * h->numBones; |
|---|
| 552 | | ret = align( ret, sizeof( void* ) ) + sizeof( u8 ) * h->numBones; |
|---|
| 553 | | |
|---|
| 554 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42influence_t ) * h->numInfluences; |
|---|
| 555 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42tag_t ) * h->numTags; |
|---|
| 556 | | |
|---|
| 557 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42lodRange_t ) * h->numLods; |
|---|
| 558 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42group_t ) * h->numGroups; |
|---|
| 559 | | ret = align( ret, sizeof( void* ) ) + sizeof( x42morphTarget_t ) * h->numMorphTargets; |
|---|
| 560 | | |
|---|
| 561 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( x42vertAnim_t ) * h->numVerts; |
|---|
| 562 | | if( persist_flags & X42_PERSIST_NORMALS ) |
|---|
| 563 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( x42vertNormal_t ) * h->numVerts; |
|---|
| 564 | | if( persist_flags & X42_PERSIST_TANGENT_BASIS ) |
|---|
| 565 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( x42vertTangent_t ) * h->numVerts; |
|---|
| 566 | | if( persist_flags & X42_PERSIST_TEXTURE_COORDINATES ) |
|---|
| 567 | | ret = align( ret, sizeof( float ) ) + sizeof( vec2_t ) * h->numVerts; |
|---|
| 568 | | if( persist_flags & X42_PERSIST_COLORS ) |
|---|
| 569 | | ret = align( ret, sizeof( rgba_t ) ) + sizeof( rgba_t ) * h->numVerts; |
|---|
| 570 | | |
|---|
| 571 | | ret = align( ret, sizeof( x42index_t ) ) + sizeof( x42index_t ) * h->numIndices; |
|---|
| 572 | | |
|---|
| 573 | | ret = align( ret, sizeof( x42index_t ) ) + sizeof( x42index_t ) * h->numMorphDeltas; |
|---|
| 574 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( vec4_t ) * h->numMorphDeltas; |
|---|
| 575 | | if( persist_flags & X42_PERSIST_NORMALS ) |
|---|
| 576 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( x42morphNormal_t ) * h->numMorphDeltas; |
|---|
| 577 | | if( persist_flags & X42_PERSIST_TANGENT_BASIS ) |
|---|
| 578 | | ret = align( ret, sizeof( float[4] ) ) + sizeof( x42morphTangent_t ) * h->numMorphDeltas; |
|---|
| 579 | | |
|---|
| 580 | | ret += sizeof( char ) * h->nameBlobLen; |
|---|
| 581 | | |
|---|
| 582 | | return ret; |
|---|
| 583 | | } |
|---|
| 584 | | |
|---|
| 585 | | ALWAYS_INLINE void* advance_out_internal( byte **out, size_t a, size_t cb ) |
|---|
| 586 | | { |
|---|
| 587 | | void *ret; |
|---|
| 588 | | |
|---|
| 589 | | *out = align_ptr( *out, a ); |
|---|
| 590 | | ret = *out; |
|---|
| 591 | | |
|---|
| 592 | | *out += cb; |
|---|
| 593 | | |
|---|
| 594 | | return ret; |
|---|
| 595 | | } |
|---|
| 596 | | |
|---|
| 597 | | X42_EXPORT x42data_t* X42_CALL x42_SetupBufferPointers( void *out_buffer, const x42header_t *h, uint persist_flags ) |
|---|
| 598 | | { |
|---|
| 599 | | byte *out; |
|---|
| 600 | | x42data_t *ret; |
|---|
| 601 | | |
|---|
| 602 | | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| 603 | | demand_rn( out_buffer != NULL, X42_ERR_BADPTR, "out_buffer is NULL" ); |
|---|
| 604 | | demand_rn( h != NULL, X42_ERR_BADPTR, "Expected valid x42Header pointer, got NULL instead." ); |
|---|
| 605 | | demand_rn( x42_ValidateHeader( h ), X42_ERR_BADDATA, "Invalid x42 file header." ); |
|---|
| 606 | | #endif |
|---|
| 607 | | |
|---|
| 608 | | fixup_persist_flags( &persist_flags, h ); |
|---|
| 609 | | |
|---|
| 610 | | #define advance_out( a, cb ) advance_out_internal( &out, a, cb ) |
|---|
| 611 | | |
|---|
| 612 | | ret = (x42data_t*)out_buffer; |
|---|
| 613 | | memcpy( &ret->header, h, sizeof( x42header_t ) ); |
|---|
| 614 | | |
|---|
| 615 | | out = (byte*)(ret + 1); |
|---|
| 616 | | out = align_ptr( out, sizeof( float[4] ) ); |
|---|
| 617 | | |
|---|
| 618 | | ret->keyStream = (x42keyStreamEntry_t*)advance_out( sizeof( void* ), sizeof( x42keyStreamEntry_t )*h->keyStreamLength ); |
|---|
| 619 | | ret->animations = (x42animation_t*) advance_out( sizeof( void* ), sizeof( x42animation_t ) * h->numAnims ); |
|---|
| 620 | | |
|---|
| 621 | | ret->posValues = (vec3_t*) advance_out( sizeof( float ), sizeof( vec3_t ) * h->numPosValues ); |
|---|
| 622 | | ret->scaleValues = (vec3_t*) advance_out( sizeof( float ), sizeof( vec3_t ) * h->numScaleValues ); |
|---|
| 623 | | ret->rotValues = (quat_t*) advance_out( sizeof( float ), sizeof( quat_t ) * h->numRotValues ); |
|---|
| 624 | | |
|---|
| 625 | | ret->animGroups = (x42animGroup_t*) advance_out( sizeof( void* ), sizeof( x42animGroup_t ) * h->numAnimGroups ); |
|---|
| 626 | | ret->bones = (x42bone_t*) advance_out( sizeof( void* ), sizeof( x42bone_t ) * h->numBones ); |
|---|
| 627 | | ret->boneGroups = (u8*) advance_out( sizeof( void* ), sizeof( u8 ) * h->numBones ); |
|---|
| 628 | | |
|---|
| 629 | | ret->influences = (x42influence_t*) advance_out( sizeof( void* ), sizeof( x42influence_t ) * h->numInfluences ); |
|---|
| 630 | | ret->tags = (x42tag_t*) advance_out( sizeof( void* ), sizeof( x42tag_t ) * h->numTags ); |
|---|
| 631 | | |
|---|
| 632 | | ret->lods = (x42lodRange_t*) advance_out( sizeof( void* ), sizeof( x42lodRange_t ) * h->numLods ); |
|---|
| 633 | | ret->groups = (x42group_t*) advance_out( sizeof( void* ), sizeof( x42group_t ) * h->numGroups ); |
|---|
| 634 | | ret->morphTargets = (x42morphTarget_t*) advance_out( sizeof( void* ), sizeof( x42morphTarget_t ) * h->numMorphTargets ); |
|---|
| 635 | | |
|---|
| 636 | | ret->vertPos = (x42vertAnim_t*) advance_out( sizeof( float[4] ),sizeof( x42vertAnim_t ) * h->numVerts ); |
|---|
| 637 | | |
|---|
| 638 | | if( persist_flags & X42_PERSIST_NORMALS ) |
|---|
| 639 | | ret->vertNorm = (x42vertNormal_t*) advance_out( sizeof( float[4] ),sizeof( x42vertNormal_t ) * h->numVerts ); |
|---|
| 640 | | else |
|---|
| 641 | | ret->vertNorm = NULL; |
|---|
| 642 | | |
|---|
| 643 | | if( persist_flags & X42_PERSIST_TANGENT_BASIS ) |
|---|
| 644 | | ret->vertTan = (x42vertTangent_t*) advance_out( sizeof( float[4] ),sizeof( x42vertTangent_t ) * h->numVerts ); |
|---|
| 645 | | else |
|---|
| 646 | | ret->vertTan = NULL; |
|---|
| 647 | | |
|---|
| 648 | | if( persist_flags & X42_PERSIST_TEXTURE_COORDINATES ) |
|---|
| 649 | | ret->vertTc = (vec2_t*) advance_out( sizeof( float ), sizeof( vec2_t ) * h->numVerts ); |
|---|
| 650 | | else |
|---|
| 651 | | ret->vertTc = NULL; |
|---|
| 652 | | |
|---|
| 653 | | if( persist_flags & X42_PERSIST_COLORS ) |
|---|
| 654 | | ret->vertCl = (rgba_t*) advance_out( sizeof( rgba_t ), sizeof( rgba_t ) * h->numVerts ); |
|---|
| 655 | | else |
|---|
| 656 | | ret->vertCl = NULL; |
|---|
| 657 | | |
|---|
| 658 | | ret->indices = (x42index_t*) advance_out( sizeof( x42index_t ), sizeof( x42index_t ) * h->numIndices ); |
|---|
| 659 | | |
|---|
| 660 | | ret->morphIndices = (x42index_t*) advance_out( sizeof( x42index_t ), sizeof( x42index_t ) * h->numMorphDeltas ); |
|---|
| 661 | | ret->morphPos = (vec4_t*) advance_out( sizeof( float[4] ), sizeof( vec4_t ) * h->numMorphDeltas ); |
|---|
| 662 | | |
|---|
| 663 | | if( persist_flags & X42_PERSIST_NORMALS ) |
|---|
| 664 | | ret->morphNorm = (x42morphNormal_t*) advance_out( sizeof( float[4] ), sizeof( x42morphNormal_t ) * h->numMorphDeltas ); |
|---|
| 665 | | else |
|---|
| 666 | | ret->morphNorm = NULL; |
|---|
| 667 | | |
|---|
| 668 | | if( persist_flags & X42_PERSIST_TANGENT_BASIS ) |
|---|
| 669 | | ret->morphTan = (x42morphTangent_t*) advance_out( sizeof( float[4] ), sizeof( x42morphTangent_t ) * h->numMorphDeltas ); |
|---|
| 670 | | else |
|---|
| 671 | | ret->morphTan = NULL; |
|---|
| 672 | | |
|---|
| 673 | | ret->strings = (char*) advance_out( sizeof( char ), sizeof( char ) * h->nameBlobLen ); |
|---|
| 674 | | |
|---|
| 675 | | return ret; |
|---|
| 676 | | } |
|---|
| 677 | | |
|---|
| 678 | | X42_EXPORT x42data_t* x42_CopyRuntimeData( void *out_buffer, const x42data_t *src ) |
|---|
| 679 | | { |
|---|
| 680 | | uint persist_flags; |
|---|
| 681 | | const x42header_t *h; |
|---|
| 682 | | x42data_t *ret; |
|---|
| 683 | | |
|---|
| 684 | | x42data_t tmp; |
|---|
| 685 | | |
|---|
| 686 | | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| 687 | | demand_rn( out_buffer != NULL, X42_ERR_BADPTR, "out_buffer is NULL" ); |
|---|
| 688 | | demand_rn( src != NULL, X42_ERR_BADPTR, "Expected valid x42data_t pointer, got NULL instead." ); |
|---|
| 689 | | #endif |
|---|
| 690 | | |
|---|
| 691 | | //src may be unaligned - copy it to stack before reading anything from it |
|---|
| 692 | | memcpy( &tmp, src, sizeof( x42data_t ) ); |
|---|
| 693 | | src = &tmp; |
|---|
| 694 | | |
|---|
| 695 | | #ifndef LIBX42_NO_PARAM_VALIDATION |
|---|
| 696 | | demand_rn( x42_ValidateHeader( &src->header ), X42_ERR_BADDATA, "Invalid x42 file header." ); |
|---|
| 697 | | #endif |
|---|
| 698 | | |
|---|
| 699 | | h = &src->header; |
|---|
| 700 | | |
|---|
| 701 | | persist_flags = 0; |
|---|
| 702 | | if( src->vertNorm ) |
|---|
| 703 | | persist_flags |= X42_PERSIST_NORMALS; |
|---|
| 704 | | if( src->vertTan ) |
|---|
| 705 | | persist_flags |= X42_PERSIST_TANGENT_BASIS; |
|---|
| 706 | | if( src->vertTc ) |
|---|
| 707 | | persist_flags |= X42_PERSIST_TEXTURE_COORDINATES; |
|---|
| 708 | | if( src->vertCl ) |
|---|
| 709 | | persist_flags |= X42_PERSIST_COLORS; |
|---|
| 710 | | |
|---|
| 711 | | ret = x42_SetupBufferPointers( out_buffer, h, persist_flags ); |
|---|
| 712 | | |
|---|
| 713 | | memcpy( ret->keyStream, src->keyStream, sizeof( x42keyStreamEntry_t ) * h->keyStreamLength ); |
|---|
| 714 | | memcpy( ret->animations, src->animations, sizeof( x42animation_t ) * h->numAnims ); |
|---|
| 715 | | |
|---|
| 716 | | memcpy( ret->posValues, src->posValues, sizeof( vec3_t ) * h->numPosValues ); |
|---|
| 717 | | memcpy( ret->scaleValues, src->scaleValues, sizeof( vec3_t ) * h->numScaleValues ); |
|---|
| 718 | | memcpy( ret->rotValues, src->rotValues, sizeof( quat_t ) * h->numRotValues ); |
|---|
| 719 | | |
|---|
| 720 | | memcpy( ret->animGroups, src->animGroups, sizeof( x42animGroup_t ) * h->numAnimGroups ); |
|---|
| 721 | | memcpy( ret->bones, src->bones, sizeof( x42bone_t ) * h->numBones ); |
|---|
| 722 | | memcpy( ret->boneGroups, src->boneGroups, sizeof( u8 ) * h->numBones ); |
|---|
| 723 | | |
|---|
| 724 | | memcpy( ret->influences, src->influences, sizeof( x42influence_t ) * h->numInfluences ); |
|---|
| 725 | | memcpy( ret->tags, src->tags, sizeof( x42tag_t ) * h->numTags ); |
|---|
| 726 | | |
|---|
| 727 | | memcpy( ret->lods, src->lods, sizeof( x42lodRange_t ) * h->numLods ); |
|---|
| 728 | | memcpy( ret->groups, src->groups, sizeof( x42group_t ) * h->numGroups ); |
|---|
| 729 | | memcpy( ret->morphTargets, src->morphTargets, sizeof( x42morphTarget_t ) * h->numMorphTargets ); |
|---|
| 730 | | |
|---|
| 731 | | memcpy( ret->vertPos, src->vertPos, sizeof( x42vertAnim_t ) * h->numVerts ); |
|---|
| 732 | | |
|---|
| 733 | | if( src->vertNorm ) |
|---|
| 734 | | memcpy( ret->vertNorm, src->vertNorm, sizeof( x42vertNormal_t ) * h->numVerts ); |
|---|
| 735 | | |
|---|
| 736 | | if( src->vertTan ) |
|---|
| 737 | | memcpy( ret->vertTan, src->vertTan, sizeof( x42vertTangent_t ) * h->numVerts ); |
|---|
| 738 | | |
|---|
| 739 | | if( src->vertTc ) |
|---|
| 740 | | memcpy( ret->vertTc, src->vertTc, sizeof( vec2_t ) * h->numVerts ); |
|---|
| 741 | | |
|---|
| 742 | | if( src->vertCl ) |
|---|
| 743 | | memcpy( ret->vertCl, src->vertCl, sizeof( rgba_t ) * h->numVerts ); |
|---|
| 744 | | |
|---|
| 745 | | memcpy( ret->indices, src->indices, sizeof( x42index_t ) * h->numIndices ); |
|---|
| 746 | | |
|---|
| 747 | | memcpy( ret->morphIndices, src->morphIndices, sizeof( x42index_t ) * h->numMorphDeltas ); |
|---|
| 748 | | memcpy( ret->morphPos, src->morphPos, sizeof( vec4_t ) * h->numMorphDeltas ); |
|---|
| 749 | | |
|---|
| 750 | | if( src->morphNorm ) |
|---|
| 751 | | memcpy( ret->morphNorm, src->morphNorm, sizeof( x42morphNormal_t ) * h->numMorphDeltas ); |
|---|
| 752 | | |
|---|
| 753 | | if( src->morphTan ) |
|---|
| 754 | | memcpy( ret->morphTan, src->morphTan, sizeof( x42morphTangent_t ) * h->numMorphDeltas ); |
|---|
| 755 | | |
|---|
| 756 | | memcpy( CONST_CAST( char, ret->strings ), src->strings, sizeof( char ) * h->nameBlobLen ); |
|---|
| 757 | | |
|---|
| 758 | | return ret; |
|---|
| 759 | | } |
|---|
| 760 | | |
|---|
| 761 | | static bool load_direct( x42data_t *ret, const x42header_t *h, |
|---|
| 762 | | x42inStream_t *file_stream, size_t inPos ) |
|---|
| 763 | | { |
|---|
| 764 | | uint i; |
|---|
| 765 | | |
|---|
| 766 | | bool stat; |
|---|
| 767 | | x42PackHeader_v6_t pack; |
|---|
| 768 | | |
|---|
| 769 | | /* |
|---|
| 770 | | Stream read helper macros begin here... |
|---|
| 771 | | */ |
|---|
| 772 | | |
|---|
| 773 | | #define read_check() demand_rf( stat, X42_ERR_INTERNAL, "failed to read from stream" ) |
|---|
| 774 | | |
|---|
| 775 | | #define checked_read( buf, type, count ) \ |
|---|
| 776 | | if( const_cond_true ) \ |
|---|
| 777 | | { \ |
|---|
| 778 | | size_t cb = sizeof( type ) * count; \ |
|---|
| 779 | | stat = read_n( buf, cb, file_stream ) == cb; \ |
|---|
| 780 | | \ |
|---|
| 781 | | read_check(); \ |
|---|
| 782 | | inPos += cb; \ |
|---|
| 783 | | } \ |
|---|
| 784 | | else \ |
|---|
| 785 | | (void)0 |
|---|
| 786 | | |
|---|
| 787 | | #define checked_align( a ) \ |
|---|
| 788 | | if( const_cond_true ) \ |
|---|
| 789 | | { \ |
|---|
| 790 | | stat = align_stream( file_stream, &inPos, a ); \ |
|---|
| 791 | | demand_rf( stat, X42_ERR_INTERNAL, "failed to align stream" ); \ |
|---|
| 792 | | } \ |
|---|
| 793 | | else \ |
|---|
| 794 | | (void)0 |
|---|
| 795 | | |
|---|
| 796 | | #define checked_read_a( buf, type, count, a ) \ |
|---|
| 797 | | if( const_cond_true ) \ |
|---|
| 798 | | { \ |
|---|
| 799 | | checked_align( a ); \ |
|---|
| 800 | | checked_read( buf, type, count ); \ |
|---|
| 801 | | } \ |
|---|
| 802 | | else \ |
|---|
| 803 | | (void)0 |
|---|
| 804 | | |
|---|
| 805 | | #define checked_read_packed_floats( buf, pack, comps, count, stride ) \ |
|---|
| 806 | | if( const_cond_true ) \ |
|---|
| 807 | | { &nbs |
|---|