/*
-Copyright (C) 2001-2006, William Joseph.
-Copyright (C) 2010-2014 COR Entertainment, LLC.
-All Rights Reserved.
+ Copyright (C) 2001-2006, William Joseph.
+ Copyright (C) 2010-2014 COR Entertainment, LLC.
+ All Rights Reserved.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ GtkRadiant is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#include "iqm.h"
typedef unsigned char byte;
/*
-========================================================================
+ ========================================================================
-.IQM triangle model file format
+ .IQM triangle model file format
-========================================================================
-*/
-typedef struct
-{
- float s;
- float t;
+ ========================================================================
+ */
+
+typedef struct {
+ float s;
+ float t;
} iqmSt_t;
-void istream_read_iqmSt(PointerInputStream& inputStream, iqmSt_t& st)
-{
- st.s = istream_read_float32_le(inputStream);
- st.t = istream_read_float32_le(inputStream);
+void istream_read_iqmSt( PointerInputStream &inputStream, iqmSt_t &st ){
+ st.s = istream_read_float32_le( inputStream );
+ st.t = istream_read_float32_le( inputStream );
}
-typedef struct
-{
+typedef struct {
unsigned int indices[3];
} iqmTriangle_t;
-void istream_read_iqmTriangle(PointerInputStream& inputStream, iqmTriangle_t& triangle)
-{
- triangle.indices[0] = istream_read_int32_le(inputStream);
- triangle.indices[1] = istream_read_int32_le(inputStream);
- triangle.indices[2] = istream_read_int32_le(inputStream);
+void istream_read_iqmTriangle( PointerInputStream &inputStream, iqmTriangle_t &triangle ){
+ triangle.indices[0] = istream_read_int32_le( inputStream );
+ triangle.indices[1] = istream_read_int32_le( inputStream );
+ triangle.indices[2] = istream_read_int32_le( inputStream );
}
-typedef struct
-{
- float v[3];
+typedef struct {
+ float v[3];
} iqmPos_t;
-void istream_read_iqmPos(PointerInputStream& inputStream, iqmPos_t& iqmPos)
-{
- iqmPos.v[0] = istream_read_float32_le(inputStream);
- iqmPos.v[1] = istream_read_float32_le(inputStream);
- iqmPos.v[2] = istream_read_float32_le(inputStream);
+void istream_read_iqmPos( PointerInputStream &inputStream, iqmPos_t &iqmPos ){
+ iqmPos.v[0] = istream_read_float32_le( inputStream );
+ iqmPos.v[1] = istream_read_float32_le( inputStream );
+ iqmPos.v[2] = istream_read_float32_le( inputStream );
}
-const int IQM_POSITION = 0;
-const int IQM_TEXCOORD = 1;
-const int IQM_NORMAL = 2;
-const int IQM_TANGENT = 3;
-const int IQM_BLENDINDEXES = 4;
-const int IQM_BLENDWEIGHTS = 5;
-const int IQM_COLOR = 6;
-const int IQM_CUSTOM = 0x10;
-
-const int IQM_BYTE = 0;
-const int IQM_UBYTE = 1;
-const int IQM_SHORT = 2;
-const int IQM_USHORT = 3;
-const int IQM_INT = 4;
-const int IQM_UINT = 5;
-const int IQM_HALF = 6;
-const int IQM_FLOAT = 7;
-const int IQM_DOUBLE = 8;
+const int IQM_POSITION = 0;
+const int IQM_TEXCOORD = 1;
+const int IQM_NORMAL = 2;
+const int IQM_TANGENT = 3;
+const int IQM_BLENDINDEXES = 4;
+const int IQM_BLENDWEIGHTS = 5;
+const int IQM_COLOR = 6;
+const int IQM_CUSTOM = 0x10;
+
+const int IQM_BYTE = 0;
+const int IQM_UBYTE = 1;
+const int IQM_SHORT = 2;
+const int IQM_USHORT = 3;
+const int IQM_INT = 4;
+const int IQM_UINT = 5;
+const int IQM_HALF = 6;
+const int IQM_FLOAT = 7;
+const int IQM_DOUBLE = 8;
// animflags
const int IQM_LOOP = 1;
-typedef struct iqmHeader_s
-{
+typedef struct iqmHeader_s {
byte id[16];
unsigned int version;
unsigned int filesize;
unsigned int num_extensions, ofs_extensions;
} iqmHeader_t;
-void istream_read_iqmHeader(PointerInputStream& inputStream, iqmHeader_t& header)
-{
- inputStream.read(header.id, 16);
-#define READINT(x) header.x = istream_read_int32_le(inputStream);
- READINT (version)
- READINT (filesize)
- READINT (flags)
- READINT (num_text)
- READINT (ofs_text)
- READINT (num_meshes)
- READINT (ofs_meshes)
- READINT (num_vertexarrays)
- READINT (num_vertexes)
- READINT (ofs_vertexarrays)
- READINT (num_triangles)
- READINT (ofs_triangles)
- READINT (ofs_neighbors)
- READINT (num_joints)
- READINT (ofs_joints)
- READINT (num_frames)
- READINT (num_framechannels)
- READINT (ofs_frames)
- READINT (ofs_bounds)
- READINT (num_comment)
- READINT (ofs_comment)
- READINT (num_extensions)
- READINT (ofs_extensions)
+void istream_read_iqmHeader( PointerInputStream &inputStream, iqmHeader_t &header ){
+ inputStream.read( header.id, 16 );
+#define READINT( x ) header.x = istream_read_int32_le( inputStream );
+ READINT( version )
+ READINT( filesize )
+ READINT( flags )
+ READINT( num_text )
+ READINT( ofs_text )
+ READINT( num_meshes )
+ READINT( ofs_meshes )
+ READINT( num_vertexarrays )
+ READINT( num_vertexes )
+ READINT( ofs_vertexarrays )
+ READINT( num_triangles )
+ READINT( ofs_triangles )
+ READINT( ofs_neighbors )
+ READINT( num_joints )
+ READINT( ofs_joints )
+ READINT( num_frames )
+ READINT( num_framechannels )
+ READINT( ofs_frames )
+ READINT( ofs_bounds )
+ READINT( num_comment )
+ READINT( ofs_comment )
+ READINT( num_extensions )
+ READINT( ofs_extensions )
#undef READINT
}
-typedef struct iqmvertexarray_s
-{
+typedef struct iqmmesh_s {
+ unsigned int name;
+ unsigned int material;
+ unsigned int first_vertex;
+ unsigned int num_vertexes;
+ unsigned int first_triangle;
+ unsigned int num_triangles;
+} iqmmesh_t;
+
+void istream_read_iqmMesh( PointerInputStream &inputStream, iqmmesh_t &iqmmesh ){
+#define READUINT( x ) iqmmesh.x = istream_read_uint32_le( inputStream );
+ READUINT( name )
+ READUINT( material )
+ READUINT( first_vertex )
+ READUINT( num_vertexes )
+ READUINT( first_triangle )
+ READUINT( num_triangles )
+#undef READUINT
+}
+
+typedef struct iqmvertexarray_s {
unsigned int type;
unsigned int flags;
unsigned int format;
unsigned int size;
unsigned int offset;
-}
-iqmvertexarray_t;
-
-void istream_read_iqmVertexarray(PointerInputStream& inputStream, iqmvertexarray_t& out)
-{
-#define READINT(x) out.x = istream_read_int32_le(inputStream);
- READINT (type)
- READINT (flags)
- READINT (format)
- READINT (size)
- READINT (offset)
+} iqmvertexarray_t;
+
+void istream_read_iqmVertexarray( PointerInputStream &inputStream, iqmvertexarray_t &vertexarray ){
+#define READINT( x ) vertexarray.x = istream_read_int32_le( inputStream );
+ READINT( type )
+ READINT( flags )
+ READINT( format )
+ READINT( size )
+ READINT( offset )
#undef READINT
}
-
-ArbitraryMeshVertex IQMVertex_construct(const iqmPos_t* pos, const iqmPos_t* norm, const iqmSt_t* st)
-{
- return ArbitraryMeshVertex(
- Vertex3f (pos->v[0], pos->v[1], pos->v[2]),
- Normal3f (norm->v[0], norm->v[1], norm->v[2]),
- TexCoord2f (st->s, st->t)
- );
+ArbitraryMeshVertex IQMVertex_construct( const iqmPos_t *pos, const iqmPos_t *norm, const iqmSt_t *st ){
+ return ArbitraryMeshVertex(
+ Vertex3f( pos->v[0], pos->v[1], pos->v[2] ),
+ Normal3f( norm->v[0], norm->v[1], norm->v[2] ),
+ TexCoord2f( st->s, st->t )
+ );
}
-void IQMSurface_read(Model& model, const byte* buffer, ArchiveFile& file)
-{
- Surface& surface = model.newSurface();
- iqmHeader_t header;
- {
- PointerInputStream inputStream(buffer);
- istream_read_iqmHeader(inputStream, header);
- }
-
- {
-
- UniqueVertexBuffer<ArbitraryMeshVertex> inserter(surface.vertices());
- inserter.reserve(header.num_vertexes);
-
- int ofs_position = -1, ofs_st = -1, ofs_normal = -1;
- PointerInputStream vaStream (buffer + header.ofs_vertexarrays);
- for (unsigned int i = 0; i < header.num_vertexarrays; i++)
- {
- iqmvertexarray_t va;
- istream_read_iqmVertexarray (vaStream, va);
-
- switch (va.type)
- {
- case IQM_POSITION:
- if (va.format == IQM_FLOAT && va.size == 3)
- ofs_position = va.offset;
- break;
- case IQM_TEXCOORD:
- if (va.format == IQM_FLOAT && va.size == 2)
- ofs_st = va.offset;
- break;
- case IQM_NORMAL:
- if (va.format == IQM_FLOAT && va.size == 3)
- ofs_normal = va.offset;
- break;
- }
- }
-
- surface.indices().reserve(header.num_vertexes);
-
- PointerInputStream posStream(buffer + ofs_position);
- Array<iqmPos_t> iqmPos(header.num_vertexes);
- for(Array<iqmPos_t>::iterator i = iqmPos.begin(); i != iqmPos.end(); ++i)
- {
- istream_read_iqmPos(posStream, *i);
- }
-
- PointerInputStream normStream(buffer + ofs_normal);
- Array<iqmPos_t> iqmNorm(header.num_vertexes);
- for(Array<iqmPos_t>::iterator i = iqmNorm.begin(); i != iqmNorm.end(); ++i)
- {
- istream_read_iqmPos(normStream, *i);
- }
-
- Array<iqmSt_t> iqmSt(header.num_vertexes);
- PointerInputStream stStream(buffer + ofs_st);
- for(Array<iqmSt_t>::iterator i = iqmSt.begin(); i != iqmSt.end(); ++i)
- {
- istream_read_iqmSt(stStream, *i);
- }
-
- PointerInputStream triangleStream(buffer + header.ofs_triangles);
- for(unsigned int i = 0; i < header.num_triangles; ++i)
- {
- iqmTriangle_t triangle;
- istream_read_iqmTriangle(triangleStream, triangle);
- for (int j = 0; j < 3; j++)
- surface.indices().insert(inserter.insert(IQMVertex_construct(
- &iqmPos[triangle.indices[j]],
- &iqmNorm[triangle.indices[j]],
- &iqmSt[triangle.indices[j]])));
- }
- }
-
- surface.setShader("");
- surface.updateAABB();
+void IQMSurface_read( Model &model, const byte *buffer, ArchiveFile &file ){
+ iqmHeader_t header;
+ {
+ PointerInputStream inputStream( buffer );
+ istream_read_iqmHeader( inputStream, header );
+ }
+
+ int ofs_position = -1, ofs_st = -1, ofs_normal = -1;
+ PointerInputStream vaStream( buffer + header.ofs_vertexarrays );
+ for ( unsigned int i = 0; i < header.num_vertexarrays; i++ ) {
+ iqmvertexarray_t va;
+ istream_read_iqmVertexarray( vaStream, va );
+
+ switch ( va.type ) {
+ case IQM_POSITION:
+ if ( va.format == IQM_FLOAT && va.size == 3 ) {
+ ofs_position = va.offset;
+ }
+ break;
+ case IQM_TEXCOORD:
+ if ( va.format == IQM_FLOAT && va.size == 2 ) {
+ ofs_st = va.offset;
+ }
+ break;
+ case IQM_NORMAL:
+ if ( va.format == IQM_FLOAT && va.size == 3 ) {
+ ofs_normal = va.offset;
+ }
+ break;
+ }
+ }
+
+ PointerInputStream posStream( buffer + ofs_position );
+ Array<iqmPos_t> iqmPos( header.num_vertexes );
+ for ( Array<iqmPos_t>::iterator i = iqmPos.begin(); i != iqmPos.end(); ++i ) {
+ istream_read_iqmPos( posStream, *i );
+ }
+
+ PointerInputStream normStream( buffer + ofs_normal );
+ Array<iqmPos_t> iqmNorm( header.num_vertexes );
+ for ( Array<iqmPos_t>::iterator i = iqmNorm.begin(); i != iqmNorm.end(); ++i ) {
+ istream_read_iqmPos( normStream, *i );
+ }
+
+ Array<iqmSt_t> iqmSt( header.num_vertexes );
+ PointerInputStream stStream( buffer + ofs_st );
+ for ( Array<iqmSt_t>::iterator i = iqmSt.begin(); i != iqmSt.end(); ++i ) {
+ istream_read_iqmSt( stStream, *i );
+ }
+
+ PointerInputStream iqmMesh( buffer + header.ofs_meshes );
+ for ( unsigned int m = 0; m < header.num_meshes; m++ ) {
+ Surface &surface = model.newSurface();
+
+ iqmmesh_t iqmmesh;
+ istream_read_iqmMesh( iqmMesh, iqmmesh );
+
+ bool material_found = false;
+ // if not malformed data neither missing string
+ if ( iqmmesh.material <= header.num_text && iqmmesh.material > 0 ) {
+ char *material;
+ material = (char*) buffer + header.ofs_text + iqmmesh.material;
+
+ if ( material[0] != '\0' ) {
+ surface.setShader( material );
+ material_found = true;
+ }
+ }
+
+ if ( !material_found ) {
+ // empty string will trigger "textures/shader/notex" on display
+ surface.setShader( "" );
+ }
+
+ UniqueVertexBuffer<ArbitraryMeshVertex> inserter( surface.vertices() );
+ inserter.reserve( iqmmesh.num_vertexes );
+
+ surface.indices().reserve( iqmmesh.num_vertexes );
+
+ unsigned int triangle_offset = header.ofs_triangles + iqmmesh.first_triangle * sizeof( iqmTriangle_t );
+ PointerInputStream triangleStream( buffer + triangle_offset );
+ for ( unsigned int i = 0; i < iqmmesh.num_triangles; ++i ) {
+ iqmTriangle_t triangle;
+ istream_read_iqmTriangle( triangleStream, triangle );
+ for ( int j = 0; j < 3; j++ ) {
+ surface.indices().insert( inserter.insert( IQMVertex_construct(
+ &iqmPos[triangle.indices[j]],
+ &iqmNorm[triangle.indices[j]],
+ &iqmSt[triangle.indices[j]] ) ) );
+ }
+ }
+
+ surface.updateAABB();
+ }
}
-void IQMModel_read(Model& model, const byte* buffer, ArchiveFile& file)
-{
- IQMSurface_read(model, buffer, file);
- model.updateAABB();
+void IQMModel_read( Model &model, const byte *buffer, ArchiveFile &file ){
+ IQMSurface_read( model, buffer, file );
+ model.updateAABB();
}
-scene::Node& IQMModel_new(const byte* buffer, ArchiveFile& file)
-{
- ModelNode* modelNode = new ModelNode();
- IQMModel_read(modelNode->model(), buffer, file);
- return modelNode->node();
+scene::Node &IQMModel_new( const byte *buffer, ArchiveFile &file ){
+ ModelNode *modelNode = new ModelNode();
+ IQMModel_read( modelNode->model(), buffer, file );
+ return modelNode->node();
}
-scene::Node& IQMModel_default()
-{
- ModelNode* modelNode = new ModelNode();
- Model_constructNull(modelNode->model());
- return modelNode->node();
+scene::Node &IQMModel_default(){
+ ModelNode *modelNode = new ModelNode();
+ Model_constructNull( modelNode->model() );
+ return modelNode->node();
}
-scene::Node& IQMModel_fromBuffer(unsigned char* buffer, ArchiveFile& file)
-{
- if (memcmp(buffer, "INTERQUAKEMODEL", 16))
- {
- globalErrorStream() << "IQM read error: incorrect ident\n";
- return IQMModel_default();
- }
- else
- {
- return IQMModel_new(buffer, file);
- }
+scene::Node &IQMModel_fromBuffer( unsigned char *buffer, ArchiveFile &file ){
+ if ( memcmp( buffer, "INTERQUAKEMODEL", 16 ) ) {
+ globalErrorStream() << "IQM read error: incorrect ident\n";
+ return IQMModel_default();
+ }
+ else {
+ return IQMModel_new( buffer, file );
+ }
}
-scene::Node& loadIQMModel(ArchiveFile& file)
-{
- ScopedArchiveBuffer buffer(file);
- return IQMModel_fromBuffer(buffer.buffer, file);
+scene::Node &loadIQMModel( ArchiveFile &file ){
+ ScopedArchiveBuffer buffer( file );
+ return IQMModel_fromBuffer( buffer.buffer, file );
}
projects / xonotic / netradiant.git / blobdiff