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gtkradiant/tools/quake2/qdata_heretic2/common/trilib.c
TTimo 8037810110 transfer from internal tree r5311 branches/1.4-gpl 
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@177 8a3a26a2-13c4-0310-b231-cf6edde360e5
2007-09-12 18:54:28 +00:00

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/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
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 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
*/
//
// trilib.c: library for loading triangles from an Alias triangle file
//
#include <stdio.h>
#include "cmdlib.h"
#include "inout.h"
#include "mathlib.h"
#include "trilib.h"
#include "token.h"
#include "l3dslib.h"
#include "fmodel.h"
#if 1
#include "qd_skeletons.h"
#endif
// on disk representation of a face
#define FLOAT_START 99999.0
#define FLOAT_END -FLOAT_START
#define MAGIC 123322
#ifndef M_PI
#define M_PI 3.14159265
#endif
float FixHTRRotateX = 0.0;
float FixHTRRotateY = 0.0;
float FixHTRRotateZ = 0.0;
float FixHTRTranslateX = 0.0;
float FixHTRTranslateY = 0.0;
float FixHTRTranslateZ = 0.0;
//#define NOISY 1
typedef struct {
float v[3];
} vector;
typedef struct
{
vector n; /* normal */
vector p; /* point */
vector c; /* color */
float u; /* u */
float v; /* v */
} aliaspoint_t;
typedef struct {
aliaspoint_t pt[3];
} tf_triangle;
void ByteSwapTri (tf_triangle *tri)
{
int i;
for (i=0 ; i<sizeof(tf_triangle)/4 ; i++)
{
((int *)tri)[i] = BigLong (((int *)tri)[i]);
}
}
void LoadTRI (char *filename, triangle_t **pptri, int *numtriangles, mesh_node_t **nodesList, int *num_mesh_nodes)
{
FILE *input;
float start;
char name[256], tex[256];
int i, count, magic;
tf_triangle tri;
triangle_t *ptri;
int iLevel;
int exitpattern;
float t;
if (nodesList)
{
*num_mesh_nodes = 0;
*nodesList = (mesh_node_t *) SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");
}
t = -FLOAT_START;
*((unsigned char *)&exitpattern + 0) = *((unsigned char *)&t + 3);
*((unsigned char *)&exitpattern + 1) = *((unsigned char *)&t + 2);
*((unsigned char *)&exitpattern + 2) = *((unsigned char *)&t + 1);
*((unsigned char *)&exitpattern + 3) = *((unsigned char *)&t + 0);
if ((input = fopen(filename, "rb")) == 0)
Error ("reader: could not open file '%s'", filename);
iLevel = 0;
fread(&magic, sizeof(int), 1, input);
if (BigLong(magic) != MAGIC)
Error ("%s is not a Alias object separated triangle file, magic number is wrong.", filename);
ptri = malloc (MAXTRIANGLES * sizeof(triangle_t));
*pptri = ptri;
while (feof(input) == 0) {
if (fread(&start, sizeof(float), 1, input) < 1)
break;
*(int *)&start = BigLong(*(int *)&start);
if (*(int *)&start != exitpattern)
{
if (start == FLOAT_START) {
/* Start of an object or group of objects. */
i = -1;
do {
/* There are probably better ways to read a string from */
/* a file, but this does allow you to do error checking */
/* (which I'm not doing) on a per character basis. */
++i;
fread( &(name[i]), sizeof( char ), 1, input);
} while( name[i] != '\0' );
// indent();
// fprintf(stdout,"OBJECT START: %s\n",name);
fread( &count, sizeof(int), 1, input);
count = BigLong(count);
++iLevel;
if (count != 0) {
// indent();
// fprintf(stdout,"NUMBER OF TRIANGLES: %d\n",count);
i = -1;
do {
++i;
fread( &(tex[i]), sizeof( char ), 1, input);
} while( tex[i] != '\0' );
// indent();
// fprintf(stdout," Object texture name: '%s'\n",tex);
}
/* Else (count == 0) this is the start of a group, and */
/* no texture name is present. */
}
else if (start == FLOAT_END) {
/* End of an object or group. Yes, the name should be */
/* obvious from context, but it is in here just to be */
/* safe and to provide a little extra information for */
/* those who do not wish to write a recursive reader. */
/* Mia culpa. */
--iLevel;
i = -1;
do {
++i;
fread( &(name[i]), sizeof( char ), 1, input);
} while( name[i] != '\0' );
// indent();
// fprintf(stdout,"OBJECT END: %s\n",name);
continue;
}
}
//
// read the triangles
//
for (i = 0; i < count; ++i) {
int j;
fread( &tri, sizeof(tf_triangle), 1, input );
ByteSwapTri (&tri);
for (j=0 ; j<3 ; j++)
{
int k;
for (k=0 ; k<3 ; k++)
{
ptri->verts[j][k] = tri.pt[j].p.v[k];
}
}
ptri++;
if ((ptri - *pptri) >= MAXTRIANGLES)
Error ("Error: too many triangles; increase MAXTRIANGLES\n");
}
}
*numtriangles = ptri - *pptri;
fclose (input);
DefaultNodesList(nodesList,num_mesh_nodes,numtriangles);
}
//==========================================================================
//
// LoadHRC
//
//==========================================================================
float scaling[3];
float rotation[3];
float translation[3];
static char *hrc_name;
struct
{
float v[3];
} vList[8192];
void HandleHRCModel(triangle_t **triList, int *triangleCount, mesh_node_t **nodesList, int *num_mesh_nodes,
int ActiveNode, int Depth, int numVerts)
{
void ReadHRCClusterList(mesh_node_t *meshNode, int baseIndex);
int i, j;
int vertexCount;
int triCount;
triangle_t *tList;
mesh_node_t *meshNode;
float x, y, z;
float x2, y2, z2;
float rx, ry, rz;
tokenType_t nextToken;
float orig_scaling[3];
float orig_rotation[3];
float orig_translation[3];
int start_tri;
int pos,bit;
int vertIndexBase;
// Update Node Info
if (nodesList)
{
TK_BeyondRequire(TK_NAME, TK_STRING);
if (Depth == 0 || tk_String[0] == '_')
{ // Root
ActiveNode = *num_mesh_nodes;
(*num_mesh_nodes)++;
if ((*num_mesh_nodes) > MAX_FM_MESH_NODES)
{
Error("Too many mesh nodes in file %s\n", hrc_name);
}
meshNode = &(*nodesList)[ActiveNode];
// memset(meshNode, 0, sizeof(mesh_node_t));
strcpy(meshNode->name, tk_String);
memset(meshNode->tris, 0, sizeof(meshNode->tris));
memset(meshNode->verts, 0, sizeof(meshNode->verts));
meshNode->start_glcmds = 0;
meshNode->num_glcmds = 0;
vertIndexBase = 0;
}
else
{ // Childs under the children
meshNode = &(*nodesList)[ActiveNode];
vertIndexBase = numVerts;
}
}
else
{
meshNode = NULL;
}
// Get the scaling, rotation, and translation values
TK_Beyond(TK_SCALING);
for(i = 0; i < 3; i++)
{
orig_scaling[i] = scaling[i];
TK_Require(TK_FLOATNUMBER);
scaling[i] *= tk_FloatNumber;
TK_Fetch();
}
TK_Beyond(TK_ROTATION);
for(i = 0; i < 3; i++)
{
orig_rotation[i] = rotation[i];
TK_Require(TK_FLOATNUMBER);
rotation[i] = tk_FloatNumber;
TK_Fetch();
}
TK_Beyond(TK_TRANSLATION);
for(i = 0; i < 3; i++)
{
orig_translation[i] = translation[i];
TK_Require(TK_FLOATNUMBER);
translation[i] += tk_FloatNumber;
TK_Fetch();
}
rx = ((rotation[0]-90.0)/360.0)*2.0*M_PI;
ry = (rotation[2]/360.0)*2.0*M_PI;
rz = (rotation[1]/360.0)*2.0*M_PI;
// rjr - might not work if there an item doesn't have a mesh
nextToken = tk_Token;
if (nextToken == TK_ACTOR_DATA)
{
while (nextToken != TK_MODEL && nextToken != TK_RBRACE)
{
nextToken = TK_Fetch();
}
}
while (nextToken == TK_SPLINE)
{ // spline node has two right braces
nextToken = TK_Beyond(TK_RBRACE);
nextToken = TK_Beyond(TK_RBRACE);
}
while (nextToken == TK_MATERIAL)
{
nextToken = TK_Beyond(TK_RBRACE);
}
while(nextToken == TK_MODEL)
{
HandleHRCModel(triList,triangleCount,nodesList,num_mesh_nodes,ActiveNode, Depth+1, 0);
nextToken = TK_Fetch();
}
if (nextToken == TK_MESH)
{
// Get all the tri and vertex info
TK_BeyondRequire(TK_VERTICES, TK_INTNUMBER);
vertexCount = tk_IntNumber;
for(i = 0; i < vertexCount; i++)
{
TK_BeyondRequire(TK_LBRACKET, TK_INTNUMBER);
if(tk_IntNumber != i)
{
Error("File '%s', line %d:\nVertex index mismatch.\n",
tk_SourceName, tk_Line);
}
TK_Beyond(TK_POSITION);
// Apply the scaling, rotation, and translation in the order
// specified in the HRC file. This could be wrong.
TK_Require(TK_FLOATNUMBER);
x = tk_FloatNumber*scaling[0];
TK_FetchRequire(TK_FLOATNUMBER);
y = tk_FloatNumber*scaling[1];
TK_FetchRequire(TK_FLOATNUMBER);
z = tk_FloatNumber*scaling[2];
y2 = y*cos(rx)+z*sin(rx);
z2 = -y*sin(rx)+z*cos(rx);
y = y2;
z = z2;
x2 = x*cos(ry)-z*sin(ry);
z2 = x*sin(ry)+z*cos(ry);
x = x2;
z = z2;
x2 = x*cos(rz)+y*sin(rz);
y2 = -x*sin(rz)+y*cos(rz);
x = x2;
y = y2;
vList[i].v[0] = x+translation[0];
vList[i].v[1] = y-translation[2];
vList[i].v[2] = z+translation[1];
}
TK_BeyondRequire(TK_POLYGONS, TK_INTNUMBER);
triCount = tk_IntNumber;
if(triCount >= MAXTRIANGLES)
{
Error("Too many triangles in file %s\n", hrc_name);
}
start_tri = *triangleCount;
*triangleCount += triCount;
tList = *triList;
for(i = 0; i < triCount; i++)
{
if (meshNode)
{ // Update the node
pos = (i + start_tri) >> 3;
bit = 1 << ((i + start_tri) & 7 );
meshNode->tris[pos] |= bit;
}
TK_BeyondRequire(TK_LBRACKET, TK_INTNUMBER);
if(tk_IntNumber != i)
{
Error("File '%s', line %d:\nTriangle index mismatch.\n",
tk_SourceName, tk_Line);
}
TK_BeyondRequire(TK_NODES, TK_INTNUMBER);
if(tk_IntNumber != 3)
{
Error("File '%s', line %d:\nBad polygon vertex count: %d.",
tk_SourceName, tk_Line, tk_IntNumber);
}
tList[i+start_tri].HasUV = true;
for(j = 0; j < 3; j++)
{
TK_BeyondRequire(TK_LBRACKET, TK_INTNUMBER);
if(tk_IntNumber != j)
{
Error("File '%s', line %d:\nTriangle vertex index"
" mismatch. %d should be %d\n", tk_SourceName, tk_Line,
tk_IntNumber, j);
}
TK_BeyondRequire(TK_VERTEX, TK_INTNUMBER);
tList[i+start_tri].verts[2-j][0] = vList[tk_IntNumber].v[0];
tList[i+start_tri].verts[2-j][1] = vList[tk_IntNumber].v[1];
tList[i+start_tri].verts[2-j][2] = vList[tk_IntNumber].v[2];
#if 1
tList[i+start_tri].indicies[2-j] = tk_IntNumber+vertIndexBase;
#endif
TK_BeyondRequire(TK_UVTEXTURE, TK_FLOATNUMBER);
tList[i+start_tri].uv[2-j][0] = tk_FloatNumber;
TK_Fetch();
TK_Require(TK_FLOATNUMBER);
tList[i+start_tri].uv[2-j][1] = tk_FloatNumber;
}
/* printf("Face %i:\n v0: %f, %f, %f\n v1: %f, %f, %f\n"
" v2: %f, %f, %f\n", i,
tList[i].verts[0][0],
tList[i].verts[0][1],
tList[i].verts[0][2],
tList[i].verts[1][0],
tList[i].verts[1][1],
tList[i].verts[1][2],
tList[i].verts[2][0],
tList[i].verts[2][1],
tList[i].verts[2][2]);
*/
}
TK_Beyond(TK_RBRACE);
TK_Beyond(TK_RBRACE);
if (tk_Token == TK_EDGES)
{
// TK_Beyond(TK_EDGES);
TK_Beyond(TK_RBRACE);
}
scaling[0] = scaling[1] = scaling[2] = 1.0;
// rotation[0] = rotation[1] = rotation[2] = 0.0;
// translation[0] = translation[1] = translation[2] = 0.0;
// See if there are any other models belonging to this node
#if 1
TK_Fetch();
nextToken = tk_Token;
if(nextToken == TK_CLUSTERS)
{
if(g_skelModel.clustered == -1)
{
ReadHRCClusterList(meshNode, vertIndexBase);
}
else
{
nextToken = TK_Get(TK_CLUSTER_NAME);
while (nextToken == TK_CLUSTER_NAME)
{
TK_BeyondRequire(TK_CLUSTER_STATE, TK_INTNUMBER);
nextToken = TK_Fetch();
}
}
// one right brace follow the list of clusters
nextToken = TK_Beyond(TK_RBRACE);
}
else
{
if(g_skelModel.clustered == -1 && !vertIndexBase)
{
meshNode->clustered = false;
}
}
#endif
nextToken = tk_Token;
if(nextToken == TK_SPLINE)
{
while (nextToken == TK_SPLINE)
{ // spline node has two right braces
nextToken = TK_Beyond(TK_RBRACE);
nextToken = TK_Beyond(TK_RBRACE);
}
nextToken = TK_Beyond(TK_RBRACE);
}
while (nextToken == TK_MATERIAL)
{
nextToken = TK_Beyond(TK_RBRACE);
}
while(nextToken == TK_MODEL)
{
HandleHRCModel(triList,triangleCount,nodesList, num_mesh_nodes, ActiveNode, Depth+1, vertexCount+vertIndexBase);
nextToken = TK_Fetch();
}
}
for(i=0;i<3;i++)
{
scaling[i] = orig_scaling[i];
rotation[i] = orig_rotation[i];
translation[i] = orig_translation[i];
}
}
static void LoadHRC(char *fileName, triangle_t **triList, int *triangleCount, mesh_node_t **nodesList, int *num_mesh_nodes)
{
if (nodesList)
{
*num_mesh_nodes = 0;
if(!*nodesList)
{
*nodesList = (mesh_node_t *) SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");
}
}
hrc_name = fileName;
scaling[0] = scaling[1] = scaling[2] = 1.0;
rotation[0] = rotation[1] = rotation[2] = 0.0;
translation[0] = translation[1] = translation[2] = 0.0;
*triangleCount = 0;
*triList = (triangle_t *) SafeMalloc(MAXTRIANGLES*sizeof(triangle_t), "Triangle list");
memset(*triList,0,MAXTRIANGLES*sizeof(triangle_t));
TK_OpenSource(fileName);
TK_FetchRequire(TK_HRCH);
TK_FetchRequire(TK_COLON);
TK_FetchRequire(TK_SOFTIMAGE);
// prime it
TK_Beyond(TK_MODEL);
HandleHRCModel(triList, triangleCount, nodesList, num_mesh_nodes, 0, 0, 0);
TK_CloseSource();
}
//==========================================================================
//
// LoadHTR
//
//==========================================================================
/*
static int Version2;
void HandleHTRModel(triangle_t **triList, int *triangleCount, mesh_node_t **nodesList, int *num_mesh_nodes,
int ActiveNode, int Depth, int numVerts)
{
int i, j;
int vertexCount;
int vertexNum;
int triCount;
float origin[3];
triangle_t *tList;
float x, y, z;
float x2, y2, z2;
float rx, ry, rz;
mesh_node_t *meshNode;
int pos,bit;
int vertIndexBase;
int start_tri;
if (nodesList)
{
TK_BeyondRequire(TK_NAME, TK_STRING);
if (Depth == 0 || tk_String[0] == '_')
{ // Root
ActiveNode = *num_mesh_nodes;
(*num_mesh_nodes)++;
if ((*num_mesh_nodes) > MAX_FM_MESH_NODES)
{
Error("Too many mesh nodes in file %s\n", hrc_name);
}
meshNode = &(*nodesList)[ActiveNode];
// memset(meshNode, 0, sizeof(mesh_node_t));
strcpy(meshNode->name, tk_String);
memset(meshNode->tris, 0, sizeof(meshNode->tris));
memset(meshNode->verts, 0, sizeof(meshNode->verts));
meshNode->start_glcmds = 0;
meshNode->num_glcmds = 0;
vertIndexBase = 0;
}
else
{ // Childs under the children
meshNode = &(*nodesList)[ActiveNode];
vertIndexBase = numVerts;
}
}
else
{
meshNode = NULL;
}
// Get vertex count
TK_BeyondRequire(TK_VERTICES, TK_INTNUMBER);
vertexCount = tk_IntNumber;
// Get triangle count
TK_BeyondRequire(TK_FACES, TK_INTNUMBER);
triCount = tk_IntNumber;
if(triCount >= MAXTRIANGLES)
{
Error("Too many triangles in file %s\n", hrc_name);
}
// Get origin
TK_Beyond(TK_ORIGIN);
TK_Require(TK_FLOATNUMBER);
origin[0] = tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
origin[1] = tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
origin[2] = tk_FloatNumber;
//rx = 90.0/360.0*2.0*M_PI;
rx = FixHTRRotateX/360.0*2.0*M_PI;
ry = FixHTRRotateY/360.0*2.0*M_PI;
rz = FixHTRRotateZ/360.0*2.0*M_PI;
// Get vertex list
for(i = 0; i < vertexCount; i++)
{
TK_FetchRequire(TK_VERTEX);
TK_FetchRequire(TK_FLOATNUMBER);
x = tk_FloatNumber-origin[0];
TK_FetchRequire(TK_FLOATNUMBER);
y = tk_FloatNumber-origin[1];
TK_FetchRequire(TK_FLOATNUMBER);
z = tk_FloatNumber-origin[2];
x += FixHTRTranslateX;
y += FixHTRTranslateY;
z += FixHTRTranslateZ;
y2 = y*cos(rx)-z*sin(rx);
z2 = y*sin(rx)+z*cos(rx);
y = y2;
z = z2;
x2 = x*cos(ry)+z*sin(ry);
z2 = -x*sin(ry)+z*cos(ry);
x = x2;
z = z2;
x2 = x*cos(rz)-y*sin(rz);
y2 = x*sin(rz)+y*cos(rz);
x = x2;
y = y2;
vList[i].v[0] = x;
vList[i].v[1] = y;
vList[i].v[2] = z;
}
start_tri = *triangleCount;
*triangleCount += triCount;
tList = *triList;
// Get face list
for(i = 0; i < triCount; i++)
{
if (meshNode)
{ // Update the node
pos = (i + start_tri) >> 3;
bit = 1 << ((i + start_tri) & 7 );
meshNode->tris[pos] |= bit;
}
TK_FetchRequire(TK_FACE);
TK_FetchRequire(TK_LPAREN);
for(j = 0; j < 3; j++)
{
TK_FetchRequire(TK_INTNUMBER);
vertexNum = tk_IntNumber-1;
if(vertexNum >= vertexCount)
{
Error("File '%s', line %d:\nVertex number"
" >= vertexCount: %d\n", tk_SourceName, tk_Line,
tk_IntNumber);
}
tList[i+start_tri].verts[2-j][0] = vList[vertexNum].v[0];
tList[i+start_tri].verts[2-j][1] = vList[vertexNum].v[1];
tList[i+start_tri].verts[2-j][2] = vList[vertexNum].v[2];
}
TK_FetchRequire(TK_RPAREN);
#ifdef _QDATA
if (Version2)
{
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[0][0]=tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[0][1]=tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[1][0]=tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[1][1]=tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[2][0]=tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
tList[i+start_tri].uv[2][1]=tk_FloatNumber;
tList[i+start_tri].HasUV=1;
}
else
tList[i+start_tri].HasUV=0;
#endif
// printf("Face %i:\n v0: %f, %f, %f\n v1: %f, %f, %f\n"
// " v2: %f, %f, %f\n", i,
// tList[i].verts[0][0],
// tList[i].verts[0][1],
// tList[i].verts[0][2],
// tList[i].verts[1][0],
// tList[i].verts[1][1],
// tList[i].verts[1][2],
// tList[i].verts[2][0],
// tList[i].verts[2][1],
// tList[i].verts[2][2]);
}
TK_Fetch();
if (tk_Token == TK_VERTICES)
{
HandleHTRModel(triList,triangleCount,nodesList, num_mesh_nodes, ActiveNode, Depth+1, vertexCount+vertIndexBase);
}
}
static void LoadHTR(char *fileName, triangle_t **triList, int *triangleCount, mesh_node_t **nodesList, int *num_mesh_nodes)
{
if (nodesList)
{
*num_mesh_nodes = 0;
if(!*nodesList)
{
*nodesList = SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");
}
}
hrc_name = fileName;
scaling[0] = scaling[1] = scaling[2] = 1.0;
rotation[0] = rotation[1] = rotation[2] = 0.0;
translation[0] = translation[1] = translation[2] = 0.0;
*triangleCount = 0;
*triList = SafeMalloc(MAXTRIANGLES*sizeof(triangle_t), "Triangle list");
memset(*triList,0,MAXTRIANGLES*sizeof(triangle_t));
TK_OpenSource(fileName);
TK_Beyond(TK_C_HEXEN);
TK_Beyond(TK_C_TRIANGLES);
TK_BeyondRequire(TK_C_VERSION, TK_INTNUMBER);
if(tk_IntNumber != 1&&tk_IntNumber != 2)
{
Error("Unsupported version (%d) in file %s\n", tk_IntNumber,
fileName);
}
Version2=(tk_IntNumber==2);
HandleHTRModel(triList, triangleCount, nodesList, num_mesh_nodes, 0, 0, 0);
}
*/
static void LoadHTR(char *fileName, triangle_t **triList, int *triangleCount, mesh_node_t **nodesList, int *num_mesh_nodes)
{
int Version2=0;
int i, j;
int vertexCount;
int vertexNum;
struct
{
float v[3];
} *vList;
int triCount;
float origin[3];
triangle_t *tList;
float x, y, z;
float x2, y2, z2;
float rx, ry, rz;
if (nodesList)
{
*num_mesh_nodes = 0;
*nodesList = (mesh_node_t *) SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");
}
TK_OpenSource(fileName);
TK_Beyond(TK_C_HEXEN);
TK_Beyond(TK_C_TRIANGLES);
TK_BeyondRequire(TK_C_VERSION, TK_INTNUMBER);
if(tk_IntNumber != 1&&tk_IntNumber != 2)
{
Error("Unsupported version (%d) in file %s\n", tk_IntNumber,
fileName);
}
Version2=(tk_IntNumber==2);
// Get vertex count
TK_BeyondRequire(TK_VERTICES, TK_INTNUMBER);
vertexCount = tk_IntNumber;
vList = (void *) SafeMalloc(vertexCount*sizeof vList[0], "Vertex list");
// Get triangle count
TK_BeyondRequire(TK_FACES, TK_INTNUMBER);
triCount = tk_IntNumber;
if(triCount >= MAXTRIANGLES)
{
Error("Too many triangles in file %s\n", fileName);
}
*triangleCount = triCount;
tList = (triangle_t *) SafeMalloc(MAXTRIANGLES*sizeof(triangle_t), "Triangle list");
*triList = tList;
memset(*triList,0,MAXTRIANGLES*sizeof(triangle_t));
// Get origin
TK_Beyond(TK_ORIGIN);
TK_Require(TK_FLOATNUMBER);
origin[0] = tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
origin[1] = tk_FloatNumber;
TK_FetchRequire(TK_FLOATNUMBER);
origin[2] = tk_FloatNumber;
//rx = 90.0/360.0*2.0*M_PI;
rx = FixHTRRotateX/360.0*2.0*M_PI;
ry = FixHTRRotateY/360.0*2.0*M_PI;
rz = FixHTRRotateZ/360.0*2.0*M_PI;
// Get vertex list
for(i = 0; i < vertexCount; i++)
{
TK_FetchRequire(TK_VERTEX);
TK_FetchRequire(TK_FLOATNUMBER);
x = tk_FloatNumber-origin[0];
TK_FetchRequire(TK_FLOATNUMBER);
y = tk_FloatNumber-origin[1];
TK_FetchRequire(TK_FLOATNUMBER);
z = tk_FloatNumber-origin[2];
x += FixHTRTranslateX;
y += FixHTRTranslateY;
z += FixHTRTranslateZ;
y2 = y*cos(rx)-z*sin(rx);
z2 = y*sin(rx)+z*cos(rx);
y = y2;
z = z2;
x2 = x*cos(ry)+z*sin(ry);
z2 = -x*sin(ry)+z*cos(ry);
x = x2;
z = z2;
x2 = x*cos(rz)-y*sin(rz);
y2 = x*sin(rz)+y*cos(rz);
x = x2;
y = y2;
vList[i].v[0] = x;
vList[i].v[1] = y;
vList[i].v[2] = z;
}
// Get face list
for(i = 0; i < triCount; i++)
{
TK_FetchRequire(TK_FACE);
TK_FetchRequire(TK_LPAREN);
for(j = 0; j < 3; j++)
{
TK_FetchRequire(TK_INTNUMBER);
vertexNum = tk_IntNumber-1;
if(vertexNum >= vertexCount)
{
Error("File '%s', line %d:\nVertex number"
" >= vertexCount: %d\n", tk_SourceName, tk_Line,
tk_IntNumber);
}
tList[i].verts[2-j][0] = vList[vertexNum].v[0];
tList[i].verts[2-j][1] = vList[vertexNum].v[1];
tList[i].verts[2-j][2] = vList[vertexNum].v[2];
}
TK_FetchRequire(TK_RPAREN);
#if 1
if (Version2)
{
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[2][0]= fmod(1000+tk_FloatNumber,1);
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[2][1]=fmod(1000+tk_FloatNumber,1);
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[1][0]=fmod(1000+tk_FloatNumber,1);
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[1][1]=fmod(1000+tk_FloatNumber,1);
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[0][0]=fmod(1000+tk_FloatNumber,1);
TK_FetchRequire(TK_FLOATNUMBER);
tList[i].uv[0][1]=fmod(1000+tk_FloatNumber,1);
tList[i].HasUV=1;
}
else
tList[i].HasUV=0;
#endif
/* printf("Face %i:\n v0: %f, %f, %f\n v1: %f, %f, %f\n"
" v2: %f, %f, %f\n", i,
tList[i].verts[0][0],
tList[i].verts[0][1],
tList[i].verts[0][2],
tList[i].verts[1][0],
tList[i].verts[1][1],
tList[i].verts[1][2],
tList[i].verts[2][0],
tList[i].verts[2][1],
tList[i].verts[2][2]);
*/
}
free(vList);
TK_CloseSource();
DefaultNodesList(nodesList,num_mesh_nodes,triangleCount);
}
//==========================================================================
//
// LoadTriangleList
//
//==========================================================================
void LoadTriangleList(char *fileName, triangle_t **triList, int *triangleCount, mesh_node_t **ppmnodes, int *num_mesh_nodes)
{
FILE *file1;
int dot = '.';
char *dotstart;
char InputFileName[256];
dotstart = strrchr(fileName,dot); // Does it already have an extension on the file name?
if (!dotstart)
{
strcpy(InputFileName, fileName);
strcat(InputFileName, ".hrc");
if((file1 = fopen(InputFileName, "rb")) != NULL)
{
fclose(file1);
LoadHRC(InputFileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
printf(" - assuming .HRC\n");
return;
}
strcpy(InputFileName, fileName);
strcat(InputFileName, ".asc");
if((file1 = fopen(InputFileName, "rb")) != NULL)
{
fclose(file1);
LoadASC(InputFileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
printf(" - assuming .ASC\n");
return;
}
strcpy(InputFileName, fileName);
strcat(InputFileName, ".tri");
if((file1 = fopen(InputFileName, "rb")) != NULL)
{
fclose(file1);
LoadTRI(InputFileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
printf(" - assuming .TRI\n");
return;
}
strcpy(InputFileName, fileName);
strcat(InputFileName, ".3ds");
if((file1 = fopen(InputFileName, "rb")) != NULL)
{
fclose(file1);
Load3DSTriangleList (InputFileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
printf(" - assuming .3DS\n");
return;
}
strcpy(InputFileName, fileName);
strcat(InputFileName, ".htr");
if((file1 = fopen(InputFileName, "rb")) != NULL)
{
fclose(file1);
LoadHTR (InputFileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
printf(" - assuming .HTR\n");
return;
}
Error("\n Could not open file '%s':\n"
"No HRC, ASC, 3DS, HTR, or TRI match.\n", fileName);
}
else
{
if((file1 = fopen(fileName, "rb")) != NULL)
{
printf("\n");
fclose(file1);
if (strcmp(dotstart,".hrc") == 0 || strcmp(dotstart,".HRC") == 0)
{
LoadHRC(fileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
}
else if (strcmp(dotstart,".asc") == 0 || strcmp(dotstart,".ASC") == 0)
{
LoadASC(fileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
}
else if (strcmp(dotstart,".tri") == 0 || strcmp(dotstart,".TRI") == 0)
{
LoadTRI(fileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
}
else if (strcmp(dotstart,".3ds") == 0 || strcmp(dotstart,".3DS") == 0)
{
Load3DSTriangleList (fileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
}
else if (strcmp(dotstart,".htr") == 0 || strcmp(dotstart,".HTR") == 0)
{
LoadHTR (fileName, triList, triangleCount, ppmnodes, num_mesh_nodes);
}
else
{
Error("Could not open file '%s':\n",fileName);
return;
}
}
else //failed to load file
{
Error("Could not open file '%s':\n",fileName);
}
}
}
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