116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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===========================================================================
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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/*
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==============================================================================
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.MDO Open Model format - supports simple skeletal animation and static meshes
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v2 - removed frame name, and converted boneframe to compressed using quats
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==============================================================================
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*/
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#define MDO_IDENT "OPENMDL2"
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#define MDO_VERSION 2
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#define MDO_MAX_BONES 128
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#define MDO_MAX_WEIGHTS 4
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// compression scales
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#define MDO_TRANSLATION_SCALE (1.0 / 64)
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#define MDO_QUAT_SCALE (1.0 / 768)
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#define MDO_BYTE_WEIGHT_SCALE (1.0 / 255)
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// bone flags
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#define BFLAG_TAG 1
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typedef struct {
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unsigned char boneIndex;
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unsigned char boneWeight;
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}mdoWeight_t;
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typedef struct {
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float xyz[3];
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float texCoords[2];
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unsigned short normal; // compressed normal
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unsigned char numWeights;
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mdoWeight_t weights[1];
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} mdoVertex_t;
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typedef struct {
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int indexes[3];
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} mdoTriangle_t;
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typedef struct {
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int ident; // for renderer use
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char name[MAX_QPATH]; // polyset name
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char shader[MAX_QPATH];
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int shaderIndex; // for in-game use
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int ofsHeader; // subtract this to get header
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int numVerts;
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int numTriangles;
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int numBoneRefs;
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int ofsVerts;
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int ofsTriangles;
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int ofsBoneRefs;
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int ofsEnd; // next surface follows
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} mdoSurface_t;
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typedef struct {
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short rotQuat[4]; // always normalized
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short translation[3];
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} mdoBoneComp_t;
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typedef struct {
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char name[32];
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int parent;
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int flags;
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} mdoBoneInfo_t;
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typedef struct {
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float bounds[2][3]; // bounds of all surfaces of all LOD's for this frame
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float localOrigin[3]; // midpoint of bounds, used for sphere cull
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float radius; // dist from localOrigin to corner
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mdoBoneComp_t bones[1]; // [numBones], bone mats
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} mdoFrame_t;
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typedef struct {
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int numSurfaces;
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int ofsSurfaces; // first surface, others follow
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int ofsEnd; // next lod follows
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} mdoLOD_t;
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typedef struct {
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char ident[8];
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int version;
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// frames and bones are shared by all levels of detail
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int numFrames;
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int numBones;
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int numLODs;
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int ofsFrames;
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int ofsBones; // boneinfos
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int ofsLODs;
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int ofsEnd;
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} mdoHeader_t; |