SRB2/src/hardware/hw_md2load.c
2019-09-15 16:24:17 -03:00

577 lines
20 KiB
C

/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../doomdef.h"
#include "hw_md2load.h"
#include "hw_model.h"
#include "../z_zone.h"
#define NUMVERTEXNORMALS 162
// Quake 2 normals are indexed. Use avertexnormals[normalindex][x/y/z] and
// you'll have your normals.
float avertexnormals[NUMVERTEXNORMALS][3] = {
{-0.525731f, 0.000000f, 0.850651f},
{-0.442863f, 0.238856f, 0.864188f},
{-0.295242f, 0.000000f, 0.955423f},
{-0.309017f, 0.500000f, 0.809017f},
{-0.162460f, 0.262866f, 0.951056f},
{0.000000f, 0.000000f, 1.000000f},
{0.000000f, 0.850651f, 0.525731f},
{-0.147621f, 0.716567f, 0.681718f},
{0.147621f, 0.716567f, 0.681718f},
{0.000000f, 0.525731f, 0.850651f},
{0.309017f, 0.500000f, 0.809017f},
{0.525731f, 0.000000f, 0.850651f},
{0.295242f, 0.000000f, 0.955423f},
{0.442863f, 0.238856f, 0.864188f},
{0.162460f, 0.262866f, 0.951056f},
{-0.681718f, 0.147621f, 0.716567f},
{-0.809017f, 0.309017f, 0.500000f},
{-0.587785f, 0.425325f, 0.688191f},
{-0.850651f, 0.525731f, 0.000000f},
{-0.864188f, 0.442863f, 0.238856f},
{-0.716567f, 0.681718f, 0.147621f},
{-0.688191f, 0.587785f, 0.425325f},
{-0.500000f, 0.809017f, 0.309017f},
{-0.238856f, 0.864188f, 0.442863f},
{-0.425325f, 0.688191f, 0.587785f},
{-0.716567f, 0.681718f, -0.147621f},
{-0.500000f, 0.809017f, -0.309017f},
{-0.525731f, 0.850651f, 0.000000f},
{0.000000f, 0.850651f, -0.525731f},
{-0.238856f, 0.864188f, -0.442863f},
{0.000000f, 0.955423f, -0.295242f},
{-0.262866f, 0.951056f, -0.162460f},
{0.000000f, 1.000000f, 0.000000f},
{0.000000f, 0.955423f, 0.295242f},
{-0.262866f, 0.951056f, 0.162460f},
{0.238856f, 0.864188f, 0.442863f},
{0.262866f, 0.951056f, 0.162460f},
{0.500000f, 0.809017f, 0.309017f},
{0.238856f, 0.864188f, -0.442863f},
{0.262866f, 0.951056f, -0.162460f},
{0.500000f, 0.809017f, -0.309017f},
{0.850651f, 0.525731f, 0.000000f},
{0.716567f, 0.681718f, 0.147621f},
{0.716567f, 0.681718f, -0.147621f},
{0.525731f, 0.850651f, 0.000000f},
{0.425325f, 0.688191f, 0.587785f},
{0.864188f, 0.442863f, 0.238856f},
{0.688191f, 0.587785f, 0.425325f},
{0.809017f, 0.309017f, 0.500000f},
{0.681718f, 0.147621f, 0.716567f},
{0.587785f, 0.425325f, 0.688191f},
{0.955423f, 0.295242f, 0.000000f},
{1.000000f, 0.000000f, 0.000000f},
{0.951056f, 0.162460f, 0.262866f},
{0.850651f, -0.525731f, 0.000000f},
{0.955423f, -0.295242f, 0.000000f},
{0.864188f, -0.442863f, 0.238856f},
{0.951056f, -0.162460f, 0.262866f},
{0.809017f, -0.309017f, 0.500000f},
{0.681718f, -0.147621f, 0.716567f},
{0.850651f, 0.000000f, 0.525731f},
{0.864188f, 0.442863f, -0.238856f},
{0.809017f, 0.309017f, -0.500000f},
{0.951056f, 0.162460f, -0.262866f},
{0.525731f, 0.000000f, -0.850651f},
{0.681718f, 0.147621f, -0.716567f},
{0.681718f, -0.147621f, -0.716567f},
{0.850651f, 0.000000f, -0.525731f},
{0.809017f, -0.309017f, -0.500000f},
{0.864188f, -0.442863f, -0.238856f},
{0.951056f, -0.162460f, -0.262866f},
{0.147621f, 0.716567f, -0.681718f},
{0.309017f, 0.500000f, -0.809017f},
{0.425325f, 0.688191f, -0.587785f},
{0.442863f, 0.238856f, -0.864188f},
{0.587785f, 0.425325f, -0.688191f},
{0.688191f, 0.587785f, -0.425325f},
{-0.147621f, 0.716567f, -0.681718f},
{-0.309017f, 0.500000f, -0.809017f},
{0.000000f, 0.525731f, -0.850651f},
{-0.525731f, 0.000000f, -0.850651f},
{-0.442863f, 0.238856f, -0.864188f},
{-0.295242f, 0.000000f, -0.955423f},
{-0.162460f, 0.262866f, -0.951056f},
{0.000000f, 0.000000f, -1.000000f},
{0.295242f, 0.000000f, -0.955423f},
{0.162460f, 0.262866f, -0.951056f},
{-0.442863f, -0.238856f, -0.864188f},
{-0.309017f, -0.500000f, -0.809017f},
{-0.162460f, -0.262866f, -0.951056f},
{0.000000f, -0.850651f, -0.525731f},
{-0.147621f, -0.716567f, -0.681718f},
{0.147621f, -0.716567f, -0.681718f},
{0.000000f, -0.525731f, -0.850651f},
{0.309017f, -0.500000f, -0.809017f},
{0.442863f, -0.238856f, -0.864188f},
{0.162460f, -0.262866f, -0.951056f},
{0.238856f, -0.864188f, -0.442863f},
{0.500000f, -0.809017f, -0.309017f},
{0.425325f, -0.688191f, -0.587785f},
{0.716567f, -0.681718f, -0.147621f},
{0.688191f, -0.587785f, -0.425325f},
{0.587785f, -0.425325f, -0.688191f},
{0.000000f, -0.955423f, -0.295242f},
{0.000000f, -1.000000f, 0.000000f},
{0.262866f, -0.951056f, -0.162460f},
{0.000000f, -0.850651f, 0.525731f},
{0.000000f, -0.955423f, 0.295242f},
{0.238856f, -0.864188f, 0.442863f},
{0.262866f, -0.951056f, 0.162460f},
{0.500000f, -0.809017f, 0.309017f},
{0.716567f, -0.681718f, 0.147621f},
{0.525731f, -0.850651f, 0.000000f},
{-0.238856f, -0.864188f, -0.442863f},
{-0.500000f, -0.809017f, -0.309017f},
{-0.262866f, -0.951056f, -0.162460f},
{-0.850651f, -0.525731f, 0.000000f},
{-0.716567f, -0.681718f, -0.147621f},
{-0.716567f, -0.681718f, 0.147621f},
{-0.525731f, -0.850651f, 0.000000f},
{-0.500000f, -0.809017f, 0.309017f},
{-0.238856f, -0.864188f, 0.442863f},
{-0.262866f, -0.951056f, 0.162460f},
{-0.864188f, -0.442863f, 0.238856f},
{-0.809017f, -0.309017f, 0.500000f},
{-0.688191f, -0.587785f, 0.425325f},
{-0.681718f, -0.147621f, 0.716567f},
{-0.442863f, -0.238856f, 0.864188f},
{-0.587785f, -0.425325f, 0.688191f},
{-0.309017f, -0.500000f, 0.809017f},
{-0.147621f, -0.716567f, 0.681718f},
{-0.425325f, -0.688191f, 0.587785f},
{-0.162460f, -0.262866f, 0.951056f},
{0.442863f, -0.238856f, 0.864188f},
{0.162460f, -0.262866f, 0.951056f},
{0.309017f, -0.500000f, 0.809017f},
{0.147621f, -0.716567f, 0.681718f},
{0.000000f, -0.525731f, 0.850651f},
{0.425325f, -0.688191f, 0.587785f},
{0.587785f, -0.425325f, 0.688191f},
{0.688191f, -0.587785f, 0.425325f},
{-0.955423f, 0.295242f, 0.000000f},
{-0.951056f, 0.162460f, 0.262866f},
{-1.000000f, 0.000000f, 0.000000f},
{-0.850651f, 0.000000f, 0.525731f},
{-0.955423f, -0.295242f, 0.000000f},
{-0.951056f, -0.162460f, 0.262866f},
{-0.864188f, 0.442863f, -0.238856f},
{-0.951056f, 0.162460f, -0.262866f},
{-0.809017f, 0.309017f, -0.500000f},
{-0.864188f, -0.442863f, -0.238856f},
{-0.951056f, -0.162460f, -0.262866f},
{-0.809017f, -0.309017f, -0.500000f},
{-0.681718f, 0.147621f, -0.716567f},
{-0.681718f, -0.147621f, -0.716567f},
{-0.850651f, 0.000000f, -0.525731f},
{-0.688191f, 0.587785f, -0.425325f},
{-0.587785f, 0.425325f, -0.688191f},
{-0.425325f, 0.688191f, -0.587785f},
{-0.425325f, -0.688191f, -0.587785f},
{-0.587785f, -0.425325f, -0.688191f},
{-0.688191f, -0.587785f, -0.425325f},
};
typedef struct
{
int ident; // A "magic number" that's used to identify the .md2 file
int version; // The version of the file, always 8
int skinwidth; // Width of the skin(s) in pixels
int skinheight; // Height of the skin(s) in pixels
int framesize; // Size of each frame in bytes
int numSkins; // Number of skins with the model
int numXYZ; // Number of vertices in each frame
int numST; // Number of texture coordinates in each frame.
int numTris; // Number of triangles in each frame
int numGLcmds; // Number of dwords (4 bytes) in the gl command list.
int numFrames; // Number of frames
int offsetSkins; // Offset, in bytes from the start of the file, to the list of skin names.
int offsetST; // Offset, in bytes from the start of the file, to the list of texture coordinates
int offsetTris; // Offset, in bytes from the start of the file, to the list of triangles
int offsetFrames; // Offset, in bytes from the start of the file, to the list of frames
int offsetGLcmds; // Offset, in bytes from the start of the file, to the list of gl commands
int offsetEnd; // Offset, in bytes from the start of the file, to the end of the file (filesize)
} md2header_t;
typedef struct
{
unsigned short meshIndex[3]; // indices into the array of vertices in each frames
unsigned short stIndex[3]; // indices into the array of texture coordinates
} md2triangle_t;
typedef struct
{
short s;
short t;
} md2texcoord_t;
typedef struct
{
unsigned char v[3]; // Scaled vertices. You'll need to multiply them with scale[x] to make them normal.
unsigned char lightNormalIndex; // Index to the array of normals
} md2vertex_t;
typedef struct
{
float scale[3]; // Used by the v member in the md2framePoint structure
float translate[3]; // Used by the v member in the md2framePoint structure
char name[16]; // Name of the frame
} md2frame_t;
// Load the model
model_t *MD2_LoadModel(const char *fileName, int ztag, boolean useFloat)
{
FILE *f;
model_t *retModel = NULL;
md2header_t *header;
size_t fileLen;
int i, j;
size_t namelen;
char *texturefilename;
const char *texPos;
char *buffer;
const float WUNITS = 1.0f;
float dataScale = WUNITS;
md2triangle_t *tris;
md2texcoord_t *texcoords;
md2frame_t *frames;
char *fname = NULL;
int foffset = 0;
int t;
// MD2 currently does not work with tinyframes, so force useFloat = true
//
// <SSNTails>
// the UV coordinates in MD2 are not compatible with glDrawElements like MD3 is. So they need to be loaded as full float.
//
// MD2 is intended to be draw in triangle strips and fans
// not very compatible with a modern GL implementation, either
// so the idea would be to full float expand it, and put it in a vertex buffer object
// I'm sure there's a way to convert the UVs to 'tinyframes', but maybe that's a job for someone else.
// You'd have to decompress the model, then recompress, reindexing the triangles and weeding out duplicate coordinates
// I already have the decompression work done
useFloat = true;
f = fopen(fileName, "rb");
if (!f)
return NULL;
retModel = (model_t*)Z_Calloc(sizeof(model_t), ztag, 0);
//size_t fileLen;
//int i, j;
//size_t namelen;
//char *texturefilename;
texPos = strchr(fileName, '/');
if (texPos)
{
texPos++;
namelen = strlen(texPos) + 1;
texturefilename = (char*)Z_Malloc(namelen, PU_CACHE, 0);
strcpy(texturefilename, texPos);
}
else
{
namelen = strlen(fileName) + 1;
texturefilename = (char*)Z_Malloc(namelen, PU_CACHE, 0);
strcpy(texturefilename, fileName);
}
texturefilename[namelen - 2] = 'z';
texturefilename[namelen - 3] = 'u';
texturefilename[namelen - 4] = 'b';
// find length of file
fseek(f, 0, SEEK_END);
fileLen = ftell(f);
fseek(f, 0, SEEK_SET);
// read in file
buffer = malloc(fileLen);
if (fread(buffer, fileLen, 1, f)) { } // squash ignored fread error
fclose(f);
// get pointer to file header
header = (md2header_t*)buffer;
retModel->numMeshes = 1; // MD2 only has one mesh
retModel->meshes = (mesh_t*)Z_Calloc(sizeof(mesh_t) * retModel->numMeshes, ztag, 0);
retModel->meshes[0].numFrames = header->numFrames;
// const float WUNITS = 1.0f;
// float dataScale = WUNITS;
// Tris and ST are simple structures that can be straight-copied
tris = (md2triangle_t*)&buffer[header->offsetTris];
texcoords = (md2texcoord_t*)&buffer[header->offsetST];
frames = (md2frame_t*)&buffer[header->offsetFrames];
retModel->framenames = (char*)Z_Calloc(header->numFrames*16, ztag, 0);
fname = retModel->framenames;
for (i = 0; i < header->numFrames; i++)
{
md2frame_t *fr = (md2frame_t*)&buffer[header->offsetFrames + foffset];
memcpy(fname, fr->name, 16);
foffset += sizeof(md2frame_t) + (sizeof(md2vertex_t) * header->numXYZ);
fname += 16;
}
// Read in textures
retModel->numMaterials = header->numSkins;
if (retModel->numMaterials <= 0) // Always at least one skin, duh
retModel->numMaterials = 1;
retModel->materials = (material_t*)Z_Calloc(sizeof(material_t)*retModel->numMaterials, ztag, 0);
// int t;
for (t = 0; t < retModel->numMaterials; t++)
{
retModel->materials[t].ambient[0] = 0.8f;
retModel->materials[t].ambient[1] = 0.8f;
retModel->materials[t].ambient[2] = 0.8f;
retModel->materials[t].ambient[3] = 1.0f;
retModel->materials[t].diffuse[0] = 0.8f;
retModel->materials[t].diffuse[1] = 0.8f;
retModel->materials[t].diffuse[2] = 0.8f;
retModel->materials[t].diffuse[3] = 1.0f;
retModel->materials[t].emissive[0] = 0.0f;
retModel->materials[t].emissive[1] = 0.0f;
retModel->materials[t].emissive[2] = 0.0f;
retModel->materials[t].emissive[3] = 1.0f;
retModel->materials[t].specular[0] = 0.0f;
retModel->materials[t].specular[1] = 0.0f;
retModel->materials[t].specular[2] = 0.0f;
retModel->materials[t].specular[3] = 1.0f;
retModel->materials[t].shininess = 0.0f;
retModel->materials[t].spheremap = false;
/* retModel->materials[t].texture = Texture::ReadTexture((char*)texturefilename, ZT_TEXTURE);
if (!systemSucks)
{
// Check for a normal map...??
char openfilename[1024];
char normalMapName[1024];
strcpy(normalMapName, texturefilename);
size_t len = strlen(normalMapName);
char *ptr = &normalMapName[len];
ptr--; // z
ptr--; // u
ptr--; // b
ptr--; // .
*ptr++ = '_';
*ptr++ = 'n';
*ptr++ = '.';
*ptr++ = 'b';
*ptr++ = 'u';
*ptr++ = 'z';
*ptr++ = '\0';
sprintf(openfilename, "%s/%s", "textures", normalMapName);
// Convert backslashes to forward slashes
for (int k = 0; k < 1024; k++)
{
if (openfilename[k] == '\0')
break;
if (openfilename[k] == '\\')
openfilename[k] = '/';
}
Resource::resource_t *res = Resource::Open(openfilename);
if (res)
{
Resource::Close(res);
retModel->materials[t].lightmap = Texture::ReadTexture(normalMapName, ZT_TEXTURE);
}
}*/
}
retModel->meshes[0].numTriangles = header->numTris;
if (!useFloat) // Decompress to MD3 'tinyframe' space
{
char *ptr;
md2triangle_t *trisPtr;
unsigned short *indexptr;
float *uvptr;
dataScale = 0.015624f; // 1 / 64.0f
retModel->meshes[0].tinyframes = (tinyframe_t*)Z_Calloc(sizeof(tinyframe_t)*header->numFrames, ztag, 0);
retModel->meshes[0].numVertices = header->numXYZ;
retModel->meshes[0].uvs = (float*)Z_Malloc(sizeof(float) * 2 * retModel->meshes[0].numVertices, ztag, 0);
ptr = (char*)frames;
for (i = 0; i < header->numFrames; i++, ptr += header->framesize)
{
short *vertptr;
char *normptr;
// char *tanptr;
md2vertex_t *vertex;
md2frame_t *framePtr = (md2frame_t*)ptr;
retModel->meshes[0].tinyframes[i].vertices = (short*)Z_Malloc(sizeof(short) * 3 * header->numXYZ, ztag, 0);
retModel->meshes[0].tinyframes[i].normals = (char*)Z_Malloc(sizeof(char) * 3 * header->numXYZ, ztag, 0);
// if (retModel->materials[0].lightmap)
// retModel->meshes[0].tinyframes[i].tangents = (char*)malloc(sizeof(char));//(char*)Z_Malloc(sizeof(char)*3*header->numVerts, ztag);
retModel->meshes[0].indices = (unsigned short*)Z_Malloc(sizeof(unsigned short) * 3 * header->numTris, ztag, 0);
vertptr = retModel->meshes[0].tinyframes[i].vertices;
normptr = retModel->meshes[0].tinyframes[i].normals;
// tanptr = retModel->meshes[0].tinyframes[i].tangents;
retModel->meshes[0].tinyframes[i].material = &retModel->materials[0];
framePtr++; // Advance to vertex list
vertex = (md2vertex_t*)framePtr;
framePtr--;
for (j = 0; j < header->numXYZ; j++, vertex++)
{
*vertptr = (short)(((vertex->v[0] * framePtr->scale[0]) + framePtr->translate[0]) / dataScale);
vertptr++;
*vertptr = (short)(((vertex->v[2] * framePtr->scale[2]) + framePtr->translate[2]) / dataScale);
vertptr++;
*vertptr = -1.0f * (short)(((vertex->v[1] * framePtr->scale[1]) + framePtr->translate[1]) / dataScale);
vertptr++;
// Normal
*normptr++ = (char)(avertexnormals[vertex->lightNormalIndex][0] * 127);
*normptr++ = (char)(avertexnormals[vertex->lightNormalIndex][2] * 127);
*normptr++ = (char)(avertexnormals[vertex->lightNormalIndex][1] * 127);
}
}
// This doesn't need to be done every frame!
trisPtr = tris;
indexptr = retModel->meshes[0].indices;
uvptr = (float*)retModel->meshes[0].uvs;
for (j = 0; j < header->numTris; j++, trisPtr++)
{
*indexptr = trisPtr->meshIndex[0];
indexptr++;
*indexptr = trisPtr->meshIndex[1];
indexptr++;
*indexptr = trisPtr->meshIndex[2];
indexptr++;
uvptr[trisPtr->meshIndex[0] * 2] = texcoords[trisPtr->stIndex[0]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[0] * 2 + 1] = (texcoords[trisPtr->stIndex[0]].t / (float)header->skinheight);
uvptr[trisPtr->meshIndex[1] * 2] = texcoords[trisPtr->stIndex[1]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[1] * 2 + 1] = (texcoords[trisPtr->stIndex[1]].t / (float)header->skinheight);
uvptr[trisPtr->meshIndex[2] * 2] = texcoords[trisPtr->stIndex[2]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[2] * 2 + 1] = (texcoords[trisPtr->stIndex[2]].t / (float)header->skinheight);
}
}
else // Full float loading method
{
md2triangle_t *trisPtr;
float *uvptr;
char *ptr;
retModel->meshes[0].numVertices = header->numTris * 3;
retModel->meshes[0].frames = (mdlframe_t*)Z_Calloc(sizeof(mdlframe_t)*header->numFrames, ztag, 0);
retModel->meshes[0].uvs = (float*)Z_Malloc(sizeof(float) * 2 * retModel->meshes[0].numVertices, ztag, 0);
trisPtr = tris;
uvptr = retModel->meshes[0].uvs;
for (i = 0; i < retModel->meshes[0].numTriangles; i++, trisPtr++)
{
*uvptr++ = texcoords[trisPtr->stIndex[0]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[0]].t / (float)header->skinheight);
*uvptr++ = texcoords[trisPtr->stIndex[1]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[1]].t / (float)header->skinheight);
*uvptr++ = texcoords[trisPtr->stIndex[2]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[2]].t / (float)header->skinheight);
}
ptr = (char*)frames;
for (i = 0; i < header->numFrames; i++, ptr += header->framesize)
{
float *vertptr, *normptr;
md2vertex_t *vertex;
md2frame_t *framePtr = (md2frame_t*)ptr;
retModel->meshes[0].frames[i].normals = (float*)Z_Malloc(sizeof(float) * 3 * header->numTris * 3, ztag, 0);
retModel->meshes[0].frames[i].vertices = (float*)Z_Malloc(sizeof(float) * 3 * header->numTris * 3, ztag, 0);
// if (retModel->materials[0].lightmap)
// retModel->meshes[0].frames[i].tangents = (float*)malloc(sizeof(float));//(float*)Z_Malloc(sizeof(float)*3*header->numTris*3, ztag);
//float *vertptr, *normptr;
normptr = (float*)retModel->meshes[0].frames[i].normals;
vertptr = (float*)retModel->meshes[0].frames[i].vertices;
trisPtr = tris;
retModel->meshes[0].frames[i].material = &retModel->materials[0];
framePtr++; // Advance to vertex list
vertex = (md2vertex_t*)framePtr;
framePtr--;
for (j = 0; j < header->numTris; j++, trisPtr++)
{
*vertptr = ((vertex[trisPtr->meshIndex[0]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[0]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[0]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[1]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[1]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[1]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[2]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[2]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[2]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][2];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][1];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][2];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][1];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][2];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][1];
}
}
}
free(buffer);
return retModel;
}