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CMdr.cpp
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CMdr.cpp
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/*
CMdr.cpp
Author: Tom Naughton
Description: Based on mrview
*/
/*
Copyright (C) Matthew 'pagan' Baranowski & Sander 'FireStorm' van Rossen
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <gl.h>
#include "CMdr.h"
#include "CShader.h"
#include "C3DModelPane.h"
#include "CModelInstance.h"
#include "CResourceManager.h"
#include "CPakStream.h"
#include "utilities.h"
#define LL(x) x = swapLong(x);
CMdr::CMdr(CResourceManager *resources) : CMd3(resources)
{
_animationInfo = nil;
_md4Data = nil;
_md4 = nil;
_lod = 0;
_modelType = unknown_model;
}
CMdr::~CMdr()
{
if (_convertedTags) {
for (tagArray::iterator e = _convertedTags->begin(); e != _convertedTags->end(); e++)
if (*e)
delete *e;
//FIXME: leak?
//delete _convertedTags;
}
if (_md4) {
CMemoryTracker::safeFree(_md4);
_md4 = nil;
}
if (_md4Data)
CMemoryTracker::safeFree(_md4Data);
}
Boolean CMdr::init(CPakStream *inItem)
{
_pathname = inItem->pathName();
// lock and load
_md4Data = (char*) inItem->getData("md3 data");
if (!_md4Data )
goto fail;
_md4 = (md4_t*)CMemoryTracker::safeAlloc(1, sizeof(md4_t), "md4");
if (!_md4)
goto fail;
// md3 header
md4Header_t *md4header = (md4Header_t*) _md4Data;
_md4->header = md4header;
// check compatibility
if (md4header->ident != 'RDM5') {
dprintf("wrong model type\n");
goto fail;
}
// swap header
md4header->version = swapLong(md4header->version);
md4header->numFrames = swapLong(md4header->numFrames);
md4header->numBones = swapLong(md4header->numBones);
md4header->ofsFrames = swapLong(md4header->ofsFrames);
md4header->numLODs = swapLong(md4header->numLODs);
md4header->ofsLODs = swapLong(md4header->ofsLODs);
md4header->numTags = swapLong(md4header->numTags);
md4header->ofsTags = swapLong(md4header->ofsTags);
md4header->ofsEnd = swapLong(md4header->ofsEnd);
if (md4header->version != 2 ) {
dprintf("corrupt md3 file header\n");
goto fail;
}
dprintf("md4header->version %d\n", md4header->version);
dprintf("md4header->name %s\n", md4header->name);
dprintf("md4header->numFrames %d\n", md4header->numFrames);
dprintf("md4header->numBones %d\n", md4header->numBones);
dprintf("md4header->ofsFrames %d\n", md4header->ofsFrames);
dprintf("md4header->numLODs %d\n", md4header->numLODs);
dprintf("md4header->ofsLODs %d\n", md4header->ofsLODs);
dprintf("md4header->numTags %d\n", md4header->numTags);
dprintf("md4header->ofsTags %d\n", md4header->ofsTags);
dprintf("md4header->ofsEnd %d\n", md4header->ofsEnd);
if (md4header->ofsFrames<0) {
// compressed model...
//
// swap all the frames
int frameSize = (int)( &((md4CompFrame_t *)0)->bones[ md4header->numBones ] );
md4CompFrame_t *frame;
for (int i = 0 ; i < md4header->numFrames ; i++, frame++)
{
frame = (md4CompFrame_t *) ( (byte *)md4header + (-md4header->ofsFrames) + i * frameSize );
frame->radius = swapFloat( frame->radius );
for ( int j = 0 ; j < 3 ; j++ ) {
frame->bounds[0][j] = swapFloat( frame->bounds[0][j] );
frame->bounds[1][j] = swapFloat( frame->bounds[1][j] );
frame->localOrigin[j] = swapFloat( frame->localOrigin[j] );
}
// the bones are arrays of shorts
for ( int j = 0 ; j < (int) (md4header->numBones * sizeof( md4CompBone_t ) / 2) ; j++ )
{
((unsigned short *)frame->bones)[j] = swapShort( ((unsigned short *)frame->bones)[j] );
}
}
} else {
// uncompressed model...
//
// swap all the frames
int frameSize = (int)( &((md4Frame_t *)0)->bones[ md4header->numBones ] );
md4Frame_t *frame;
for (int i = 0 ; i < md4header->numFrames ; i++, frame++)
{
frame = (md4Frame_t *) ( (byte *)md4header + md4header->ofsFrames + i * frameSize );
frame->radius = swapFloat( frame->radius );
for ( int j = 0 ; j < 3 ; j++ ) {
frame->bounds[0][j] = swapFloat( frame->bounds[0][j] );
frame->bounds[1][j] = swapFloat( frame->bounds[1][j] );
frame->localOrigin[j] = swapFloat( frame->localOrigin[j] );
}
for ( int j = 0 ; j < (int) (md4header->numBones * sizeof( md4Bone_t ) / 4) ; j++ )
{
((float *)frame->bones)[j] = swapFloat( ((float *)frame->bones)[j] );
}
}
}
// swap all the LOD's
md4LOD_t *lod = (md4LOD_t *) ( (byte *)md4header + md4header->ofsLODs );
md4Surface_t *surf;
for (int l = 0 ; l < md4header->numLODs ; l++) {
LL(lod->numSurfaces);
LL(lod->ofsSurfaces);
LL(lod->ofsEnd);
// swap all the surfaces
surf = (md4Surface_t *) ( (byte *)lod + lod->ofsSurfaces );
for (int i = 0 ; i < lod->numSurfaces ; i++) {
LL(surf->numTriangles);
LL(surf->ofsTriangles);
LL(surf->numVerts);
LL(surf->ofsVerts);
LL(surf->ofsEnd);
LL(surf->ofsHeader);
if ( surf->numVerts > SHADER_MAX_VERTEXES )
{
dprintf ("R_LoadMD4: %s has more than %i verts on a surface (%i)",
"mod_name", SHADER_MAX_VERTEXES, surf->numVerts );
goto fail;
}
if ( surf->numTriangles*3 > SHADER_MAX_INDEXES )
{
dprintf ("R_LoadMD4: %s has more than %i triangles on a surface (%i)",
"mod_name", SHADER_MAX_INDEXES / 3, surf->numTriangles );
goto fail;
}
// change to surface identifier
surf->ident = SF_MD4;
// lowercase the surface name so skin compares are faster
//strlwr( surf->name );
// strip off a trailing _1 or _2
// this is a crutch until i update carcass
int j = strlen( surf->name );
if ( j > 2 && surf->name[j-2] == '_' ) {
surf->name[j-2] = 0;
}
// swap all the triangles
md4Triangle_t *tri = (md4Triangle_t *) ( (byte *)surf + surf->ofsTriangles );
for ( j = 0 ; j < surf->numTriangles ; j++, tri++ ) {
LL(tri->indexes[0]);
LL(tri->indexes[1]);
LL(tri->indexes[2]);
}
// swap all the vertexes
md4Vertex_t *v = (md4Vertex_t *) ( (byte *)surf + surf->ofsVerts );
for ( j = 0 ; j < surf->numVerts ; j++ ) {
v->normal[0] = swapFloat( v->normal[0] );
v->normal[1] = swapFloat( v->normal[1] );
v->normal[2] = swapFloat( v->normal[2] );
v->texCoords[0] = swapFloat( v->texCoords[0] );
v->texCoords[1] = swapFloat( v->texCoords[1] );
v->numWeights = swapLong( v->numWeights );
for (int k = 0 ; k < v->numWeights ; k++ ) {
v->weights[k].boneIndex = swapLong( v->weights[k].boneIndex );
v->weights[k].boneWeight = swapFloat( v->weights[k].boneWeight );
v->weights[k].offset[0] = swapFloat( v->weights[k].offset[0] );
v->weights[k].offset[1] = swapFloat( v->weights[k].offset[1] );
v->weights[k].offset[2] = swapFloat( v->weights[k].offset[2] );
}
v = (md4Vertex_t *)&v->weights[v->numWeights];
}
// find the next surface
surf = (md4Surface_t *)( (byte *)surf + surf->ofsEnd );
}
// find the next LOD
lod = (md4LOD_t *)( (byte *)lod + lod->ofsEnd );
}
md4Tag_t *tag = (md4Tag_t *) ( (byte *)md4header + md4header->ofsTags );
for (int i = 0 ; i < md4header->numTags ; i++) {
LL(tag->boneIndex);
tag++;
}
int tagCount = frameCount() * tagNum();
_convertedTags = new tagArray[tagCount];
for(int i = 0; i < tagCount; i++)
_convertedTags->insert(_convertedTags->end(), (md3_tag_t*)nil );
return true;
fail:
return false;
}
void CMdr::loadMeshTextures(CModelInstance *instance)
{
#pragma unused (instance)
}
#pragma mark -
void CMdr::Draw(CModelInstance *instance, renderingAttributes_t *rendering)
{
md4Header_t *md4header = _md4->header;
md4LOD_t *lod = (md4LOD_t *) ( (byte *)md4header + md4header->ofsLODs );
if (_lod >= md4header->numLODs)
_lod = md4header->numLODs-1;
for ( int i=0; i<_lod; i++) {
lod = (md4LOD_t*)( (byte *)lod + lod->ofsEnd );
}
md4Surface_t * surface = (md4Surface_t *)( (byte *)lod + lod->ofsSurfaces );
for ( int i = 0 ; i < lod->numSurfaces ; i++ ) {
CShader *shader = instance->textureForMeshAtIndex(i);
if (!shader) {
string textureName = instance->textureNameForMesh(surface->name);
if (textureName.length() > 0) {
shader = resources()->shaderWithName(textureName.c_str());
instance->_meshTextures[i] = shader;
}
}
RB_SurfaceAnim( surface, instance, shader , rendering);
surface = (md4Surface_t *)( (byte *)surface + surface->ofsEnd );
}
}
void CMdr::RB_SurfaceAnim( md4Surface_t *surface, CModelInstance *instance, CShader *shader , renderingAttributes_t *rendering)
{
int i, j, k;
float frontlerp, backlerp;
int *triangles;
int indexes;
int baseIndex, baseVertex;
int numVerts;
md4Vertex_t *v;
md4Bone_t bones[MD4_MAX_BONES];
md4Bone_t *bonePtr, *bone;
md4Header_t *header;
md4Frame_t *frame;
md4Frame_t *oldFrame;
int frameSize;
gShaderArrays.numcolours = gShaderArrays.numverts = gShaderArrays.numelems = 0;
Boolean shouldDraw = C3DModel::shouldDraw(rendering, shader);
Boolean needsNormals = C3DModel::needsNormals(rendering, shader);
int iFrame = instance->_currentFrame;
int iNextFrame = instance->_nextFrame;
if (!shouldDraw)
return;
if (rendering->_lighting) {
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_FLOAT, 0, (float*)gShaderArrays.norms);
} else {
glDisableClientState(GL_NORMAL_ARRAY);
}
// don't lerp if lerping off, or this is the only frame, or the last frame...
//
if (0)
{
backlerp = 0; // if backlerp is 0, lerping is off and frontlerp is never used
frontlerp = 1;
}
else
{
backlerp = instance->_interpolationFraction;
frontlerp = 1.0f - backlerp;
}
header = (md4Header_t *)((byte *)surface + surface->ofsHeader);
Boolean bCompressed = header->ofsFrames<0;
if (bCompressed)
{
// compressed model...
//
frameSize = (int)( &((md4CompFrame_t *)0)->bones[ header->numBones ] );
frame = (md4Frame_t *)((byte *)header + (-header->ofsFrames) + iFrame * frameSize );
oldFrame = (md4Frame_t *)((byte *)header + (-header->ofsFrames) + iNextFrame * frameSize );
}
else
{
frameSize = (int)( &((md4Frame_t *)0)->bones[ header->numBones ] );
frame = (md4Frame_t *)((byte *)header + header->ofsFrames + iFrame * frameSize );
oldFrame = (md4Frame_t *)((byte *)header + header->ofsFrames + iNextFrame * frameSize );
}
int *outElems = gShaderArrays.elems;
float *outVerts = (float*)gShaderArrays.verts;
float *outTexvecs = (float*)gShaderArrays.tex_st;
float *outNormals = (float*)gShaderArrays.norms;
triangles = (int *) ((byte *)surface + surface->ofsTriangles);
indexes = surface->numTriangles * 3;
baseIndex = gShaderArrays.numelems;
baseVertex = gShaderArrays.numverts;
for (j = 0 ; j < indexes ; j++)
{
*outElems++ = baseVertex + triangles[j];
}
gShaderArrays.numelems += indexes;
//
// lerp all the needed bones
//
if ( !backlerp && !bCompressed)
{
// no lerping needed
bonePtr = frame->bones;
}
else
{
bonePtr = bones;
if (bCompressed)
{
md4CompFrame_t *cframe = (md4CompFrame_t *)frame;
md4CompFrame_t *coldFrame = (md4CompFrame_t *)oldFrame;
for ( i = 0 ; i < header->numBones ; i++ )
{
if ( !backlerp )
MC_UnCompress(bonePtr[i].matrix,cframe->bones[i].Comp);
else
{
md4Bone_t tbone[2];
MC_UnCompress(tbone[0].matrix,cframe->bones[i].Comp);
MC_UnCompress(tbone[1].matrix,coldFrame->bones[i].Comp);
for ( j = 0 ; j < 12 ; j++ )
((float *)&bonePtr[i])[j] = frontlerp * ((float *)&tbone[0])[j] + backlerp * ((float *)&tbone[1])[j];
}
}
}
else
{
for ( i = 0 ; i < header->numBones*12 ; i++ )
{
((float *)bonePtr)[i] = frontlerp * ((float *)frame->bones)[i] + backlerp * ((float *)oldFrame->bones)[i];
}
}
}
//
// deform the vertexes by the lerped bones
//
numVerts = surface->numVerts;
v = (md4Vertex_t *) ((byte *)surface + surface->ofsVerts);
for ( j = 0; j < numVerts; j++ )
{
vec3_t tempVert, tempNormal;
md4Weight_t *w;
vec_clear( tempVert );
vec_clear( tempNormal );
w = v->weights;
for ( k = 0 ; k < v->numWeights ; k++, w++ )
{
bone = bonePtr + w->boneIndex;
tempVert[0] += w->boneWeight * ( vec_dot( bone->matrix[0], w->offset ) + bone->matrix[0][3] );
tempVert[1] += w->boneWeight * ( vec_dot( bone->matrix[1], w->offset ) + bone->matrix[1][3] );
tempVert[2] += w->boneWeight * ( vec_dot( bone->matrix[2], w->offset ) + bone->matrix[2][3] );
tempNormal[0] += w->boneWeight * vec_dot( bone->matrix[0], v->normal );
tempNormal[1] += w->boneWeight * vec_dot( bone->matrix[1], v->normal );
tempNormal[2] += w->boneWeight * vec_dot( bone->matrix[2], v->normal );
}
*outVerts++ = tempVert[0];
*outVerts++ = tempVert[1];
*outVerts++ = tempVert[2];
*outTexvecs++ = v->texCoords[0];
*outTexvecs++ = v->texCoords[1];
*outNormals++ = tempNormal[0];
*outNormals++ = tempNormal[1];
*outNormals++ = tempNormal[2];
v = (md4Vertex_t *)&v->weights[v->numWeights];
}
gShaderArrays.numverts += numVerts;
if (rendering->_textured)
glEnable( GL_TEXTURE_2D );
else
glDisable( GL_TEXTURE_2D );
if (shader)
shader->renderFlush(rendering, 0);
else if (!rendering->_renderTextureCoordinates) {
// if shader is missing draw untextured wireframe
glDisable( GL_TEXTURE_2D );
glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
CShader::wireframeFlush();
}
if (rendering->_renderOpaque && rendering->_showNormals)
DrawVertexNormals(rendering, numVerts, (float*)gShaderArrays.verts, (float*)gShaderArrays.norms);
if(rendering->_showBoneFrameBox)
DrawBoneFrameBox(rendering, instance,
interpolateBoneFrame(frame, oldFrame, instance->_interpolationFraction));
}
md4Frame_t *CMdr::interpolateBoneFrame(md4Frame_t *currBoneFrame, md4Frame_t *nextBoneFrame, float frac)
{
static md4Frame_t tmpBoneFrame_1;
tmpBoneFrame_1.bounds[0][0] = (1.0f - frac) * currBoneFrame->bounds[0][0] + frac * nextBoneFrame->bounds[0][0];
tmpBoneFrame_1.bounds[1][0] = (1.0f - frac) * currBoneFrame->bounds[1][0] + frac * nextBoneFrame->bounds[1][0];
tmpBoneFrame_1.localOrigin[0] = (1.0f - frac) * currBoneFrame->localOrigin[0] + frac * nextBoneFrame->localOrigin[0];
tmpBoneFrame_1.bounds[0][1] = (1.0f - frac) * currBoneFrame->bounds[0][1] + frac * nextBoneFrame->bounds[0][1];
tmpBoneFrame_1.bounds[1][1] = (1.0f - frac) * currBoneFrame->bounds[1][1] + frac * nextBoneFrame->bounds[1][1];
tmpBoneFrame_1.localOrigin[1] = (1.0f - frac) * currBoneFrame->localOrigin[1] + frac * nextBoneFrame->localOrigin[1];
tmpBoneFrame_1.bounds[0][2] = (1.0f - frac) * currBoneFrame->bounds[0][2] + frac * nextBoneFrame->bounds[0][2];
tmpBoneFrame_1.bounds[1][2] = (1.0f - frac) * currBoneFrame->bounds[1][2] + frac * nextBoneFrame->bounds[1][2];
tmpBoneFrame_1.localOrigin[2] = (1.0f - frac) * currBoneFrame->localOrigin[2] + frac * nextBoneFrame->localOrigin[2];
return &tmpBoneFrame_1;
}
void CMdr::DrawBoneFrameBox(renderingAttributes_t *rendering, CModelInstance *instance, md4Frame_t *frame)
{
#pragma unused (instance)
glDisable( GL_TEXTURE_2D );
glDisable( GL_LIGHTING );
/*
md3_boneFrame_t *bf = &_md3->boneframes[instance->_currentFrame];
if (instance->_interpolationFraction != 0.0f) {
bf = interpolateBoneFrame(
&_md3->boneframes[instance->_currentFrame],
&_md3->boneframes[instance->_nextFrame],
instance->_interpolationFraction);
}
*/
float x1=frame->bounds[0][0], y1=frame->bounds[0][1], z1=frame->bounds[0][2],
x2=frame->bounds[1][0], y2=frame->bounds[1][1], z2=frame->bounds[1][2];
if (rendering->_renderOpaque) {
glDisable(GL_DEPTH_TEST);
glPointSize(6);
glColor3f(1,0,0);
glBegin(GL_POINTS);
glVertex3f(frame->localOrigin[0], frame->localOrigin[1], frame->localOrigin[2]);
glEnd();
glPointSize(1);
glEnable(GL_DEPTH_TEST);
}
if (rendering->_renderOpaque) {
glColor3f(0,1,0);
glBegin(GL_LINE_LOOP);
glVertex3f(x1,y1,z1);
glVertex3f(x1,y1,z2);
glVertex3f(x1,y2,z2);
glVertex3f(x1,y2,z1);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f(x2,y2,z2);
glVertex3f(x2,y1,z2);
glVertex3f(x2,y1,z1);
glVertex3f(x2,y2,z1);
glEnd();
glBegin(GL_LINES);
glVertex3f(x1,y1,z1);
glVertex3f(x2,y1,z1);
glVertex3f(x1,y1,z2);
glVertex3f(x2,y1,z2);
glVertex3f(x1,y2,z2);
glVertex3f(x2,y2,z2);
glVertex3f(x1,y2,z1);
glVertex3f(x2,y2,z1);
glEnd();
}
if (rendering->_textured)
glEnable( GL_TEXTURE_2D );
if (rendering->_lighting)
glEnable( GL_LIGHTING );
glColor4f(1,1,1,1);
}
/*
void CMdr::DrawVertexNormals(
renderingAttributes_t *renderingAttributes,
int vertexNum,
float *vertices,
float *normals)
{
float x, y, z;
float nx, ny, nz;
glDisable( GL_TEXTURE_2D );
glDisable( GL_LIGHTING );
glColor3f(1,1,0);
glBegin( GL_LINES );
for (int i=0;i<vertexNum;i++) {
x = *vertices++;
y = *vertices++;
z = *vertices++;
nx = *normals++ + x;
ny = *normals++ + y;
nz = *normals++ + z;
glVertex3f(x ,y ,z);
glVertex3f(nx ,ny ,nz);
}
glEnd();
if (renderingAttributes->_textured)
glEnable( GL_TEXTURE_2D );
if (renderingAttributes->_lighting)
glEnable( GL_LIGHTING );
glColor4f(1,1,1,1);
}
*/
void CMdr::DrawLinks(CModelInstance *instance, renderingAttributes_t *rendering)
{
glDisable( GL_ALPHA_TEST);
glDisable( GL_BLEND);
glDisable( GL_DEPTH_TEST);
glDisable( GL_LIGHTING );
glDisable( GL_TEXTURE_2D );
// draw linked models
for (int j=0; j< tagNum() ; j++) {
CModelInstance *child = instance->_links[j];
md3_tag_t *tag = tagForFrameAtIndex(instance->_currentFrame, j);
PushTagTransformMatrix(instance, j);
// don't draw the link if it's the root and has a parent
Boolean drawLink = rendering->_pickTag;
// FIXME - this doesn't work for HK model
if (tag->Position[0] == 0.0 &&
tag->Position[1] == 0.0 &&
tag->Position[2] == 0.0) {
if (drawLink && instance->parent())
drawLink = false;
}
if (drawLink) {
glPushName (tag->info.glName + instance->glName());
if (rendering->_pickedName == tag->info.glName + instance->glName()) {
glColor4f(1,0,0,1);
} else {
glColor4f(1,1,1,1);
}
glPointSize(6);
glBegin(GL_POINTS);
glVertex3f(0, 0, 0);
glEnd();
glPointSize(1);
glRasterPos2f(0, 0);
glPrint(" %s", &tag->name[0]);
glPopName();
}
glPopMatrix();
}
glEnable( GL_TEXTURE_2D );
glEnable( GL_DEPTH_TEST);
}
#pragma mark -
#define MC_BITS_X (16)
#define MC_BITS_Y (16)
#define MC_BITS_Z (16)
#define MC_BITS_VECT (16)
#define MC_SCALE_X (1.0f/64)
#define MC_SCALE_Y (1.0f/64)
#define MC_SCALE_Z (1.0f/64)
// currently 11
#define MC_COMP_BYTES (((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*9)+7)/8)
#define MC_MASK_X ((1<<(MC_BITS_X))-1)
#define MC_MASK_Y ((1<<(MC_BITS_Y))-1)
#define MC_MASK_Z ((1<<(MC_BITS_Z))-1)
#define MC_MASK_VECT ((1<<(MC_BITS_VECT))-1)
#define MC_SCALE_VECT (1.0f/(float)((1<<(MC_BITS_VECT-1))-2))
#define MC_POS_X (0)
#define MC_SHIFT_X (0)
#define MC_POS_Y ((((MC_BITS_X))/8))
#define MC_SHIFT_Y ((((MC_BITS_X)%8)))
#define MC_POS_Z ((((MC_BITS_X+MC_BITS_Y))/8))
#define MC_SHIFT_Z ((((MC_BITS_X+MC_BITS_Y)%8)))
#define MC_POS_V11 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z))/8))
#define MC_SHIFT_V11 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z)%8)))
#define MC_POS_V12 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT))/8))
#define MC_SHIFT_V12 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT)%8)))
#define MC_POS_V13 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*2))/8))
#define MC_SHIFT_V13 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*2)%8)))
#define MC_POS_V21 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*3))/8))
#define MC_SHIFT_V21 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*3)%8)))
#define MC_POS_V22 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*4))/8))
#define MC_SHIFT_V22 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*4)%8)))
#define MC_POS_V23 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*5))/8))
#define MC_SHIFT_V23 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*5)%8)))
#define MC_POS_V31 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*6))/8))
#define MC_SHIFT_V31 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*6)%8)))
#define MC_POS_V32 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*7))/8))
#define MC_SHIFT_V32 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*7)%8)))
#define MC_POS_V33 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*8))/8))
#define MC_SHIFT_V33 ((((MC_BITS_X+MC_BITS_Y+MC_BITS_Z+MC_BITS_VECT*8)%8)))
void CMdr::MC_Compress(const float mat[3][4],unsigned char * comp)
{
int i,val;
for (i=0;i<MC_COMP_BYTES;i++)
comp[i]=0;
val=(int)(mat[0][3]/MC_SCALE_X);
val+=1<<(MC_BITS_X-1);
if (val>=(1<<MC_BITS_X))
val=(1<<MC_BITS_X)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_X)|=((unsigned int)(val))<<MC_SHIFT_X;
val=(int)(mat[1][3]/MC_SCALE_Y);
val+=1<<(MC_BITS_Y-1);
if (val>=(1<<MC_BITS_Y))
val=(1<<MC_BITS_Y)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_Y)|=((unsigned int)(val))<<MC_SHIFT_Y;
val=(int)(mat[2][3]/MC_SCALE_Z);
val+=1<<(MC_BITS_Z-1);
if (val>=(1<<MC_BITS_Z))
val=(1<<MC_BITS_Z)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_Z)|=((unsigned int)(val))<<MC_SHIFT_Z;
val=(int)(mat[0][0]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V11)|=((unsigned int)(val))<<MC_SHIFT_V11;
val=(int)(mat[0][1]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V12)|=((unsigned int)(val))<<MC_SHIFT_V12;
val=(int)(mat[0][2]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V13)|=((unsigned int)(val))<<MC_SHIFT_V13;
val=(int)(mat[1][0]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V21)|=((unsigned int)(val))<<MC_SHIFT_V21;
val=(int)(mat[1][1]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V22)|=((unsigned int)(val))<<MC_SHIFT_V22;
val=(int)(mat[1][2]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V23)|=((unsigned int)(val))<<MC_SHIFT_V23;
val=(int)(mat[2][0]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V31)|=((unsigned int)(val))<<MC_SHIFT_V31;
val=(int)(mat[2][1]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V32)|=((unsigned int)(val))<<MC_SHIFT_V32;
val=(int)(mat[2][2]/MC_SCALE_VECT);
val+=1<<(MC_BITS_VECT-1);
if (val>=(1<<MC_BITS_VECT))
val=(1<<MC_BITS_VECT)-1;
if (val<0)
val=0;
*(unsigned int *)(comp+MC_POS_V33)|=((unsigned int)(val))<<MC_SHIFT_V33;
}
void CMdr::MC_UnCompress(float mat[3][4],const unsigned char * comp)
{
int val;
val=(int)((unsigned short *)(comp))[0];
val-=1<<(MC_BITS_X-1);
mat[0][3]=((float)(val))*MC_SCALE_X;
val=(int)((unsigned short *)(comp))[1];
val-=1<<(MC_BITS_Y-1);
mat[1][3]=((float)(val))*MC_SCALE_Y;
val=(int)((unsigned short *)(comp))[2];
val-=1<<(MC_BITS_Z-1);
mat[2][3]=((float)(val))*MC_SCALE_Z;
val=(int)((unsigned short *)(comp))[3];
val-=1<<(MC_BITS_VECT-1);
mat[0][0]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[4];
val-=1<<(MC_BITS_VECT-1);
mat[0][1]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[5];
val-=1<<(MC_BITS_VECT-1);
mat[0][2]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[6];
val-=1<<(MC_BITS_VECT-1);
mat[1][0]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[7];
val-=1<<(MC_BITS_VECT-1);
mat[1][1]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[8];
val-=1<<(MC_BITS_VECT-1);
mat[1][2]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[9];
val-=1<<(MC_BITS_VECT-1);
mat[2][0]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[10];
val-=1<<(MC_BITS_VECT-1);
mat[2][1]=((float)(val))*MC_SCALE_VECT;
val=(int)((unsigned short *)(comp))[11];
val-=1<<(MC_BITS_VECT-1);
mat[2][2]=((float)(val))*MC_SCALE_VECT;
}
#pragma mark -
inline UInt32 CMdr::tagNum()
{
return _md4->header->numTags;
}
inline UInt32 CMdr::meshNum()
{
md4Header_t *md4header = _md4->header;
md4LOD_t *lod = (md4LOD_t *) ( (byte *)md4header + md4header->ofsLODs );
if (_lod >= md4header->numLODs)
_lod = md4header->numLODs-1;
for ( int i=0; i<_lod; i++) {
lod = (md4LOD_t*)( (byte *)lod + lod->ofsEnd );
}
return lod->numSurfaces;
}
ModelType CMdr::modelType()
{
if (_modelType != unknown_model)
return _modelType;
string package, file, extension;
decomposeEntryName(pathName(), package, file, extension);
if (stringStartsWith(lowerString(file), string("upper")))
_modelType = upper_model;
else if (stringStartsWith(lowerString(file), string("lower")))
_modelType = lower_model;
else if (stringStartsWith(lowerString(file), string("head")))
_modelType = head_model;
else
_modelType = other_model;
return _modelType;
}
inline md3_tag_t *CMdr::tagForFrameAtIndex(short framenum, short iTagIndex)
{
md3_tag_t *dest;
int i;
int frameSize;
md4CompFrame_t *cframe;
md4Frame_t *frame;
md4Tag_t *tag;
md4Header_t *md4header = _md4->header;
if ( framenum >= frameCount() ) {
// it is possible to have a bad frame while changing models, so don't error
framenum = frameCount() - 1;
}
dest = (*_convertedTags)[framenum * tagNum() +iTagIndex];
if (dest) {
return dest;
} else {
dest = new md3_tag_t;
dest->Rotation.set(0,0,0,0);
dest->info.glName = iTagIndex;
vec_clear( dest->Position );
strcpy(dest->name,"");
(*_convertedTags)[framenum * tagNum() +iTagIndex] = dest;
}
tag = (md4Tag_t *)((byte *)md4header + md4header->ofsTags);
for ( i = 0 ; i < tagNum() ; i++, tag++ ) {
if (iTagIndex == i) {
strcpy(dest->name,tag->name);
if (md4header->ofsFrames <0) {
// compressed model...
//
frameSize = (int)( &((md4CompFrame_t *)0)->bones[ md4header->numBones ] );
cframe = (md4CompFrame_t *)((byte *)md4header + (-md4header->ofsFrames) + framenum * frameSize );
md4Bone_t Bone;
MC_UnCompress(Bone.matrix, cframe->bones[tag->boneIndex].Comp);
Mat4 matrix = identity;
float *mv = matrix.m;
MAT(mv,0,0) = Bone.matrix[0][0];
MAT(mv,1,0) = Bone.matrix[1][0];
MAT(mv,2,0) = Bone.matrix[2][0];
MAT(mv,0,1) = Bone.matrix[0][1];
MAT(mv,1,1) = Bone.matrix[1][1];
MAT(mv,2,1) = Bone.matrix[2][1];
MAT(mv,0,2) = Bone.matrix[0][2];
MAT(mv,1,2) = Bone.matrix[1][2];
MAT(mv,2,2) = Bone.matrix[2][2];
dest->Rotation = Vec4::quatFromMatrix( matrix );