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course.cpp
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course.cpp
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/* --------------------------------------------------------------------
EXTREME TUXRACER
Copyright (C) 1999-2001 Jasmin F. Patry (Tuxracer)
Copyright (C) 2010 Extreme Tuxracer Team
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.
---------------------------------------------------------------------*/
#include "bh.h"
#include "course.h"
#include "textures.h"
#include "ogl.h"
#include "audio.h"
#include "track_marks.h"
#include "spx.h"
#include "quadtree.h"
#include "course_render.h"
#include "keyframe.h"
#include "env.h"
#include "game_ctrl.h"
#include "font.h"
CCourse Course;
CCourse::CCourse () {
numCourses = 0;
numTerr = 0;
numObjTypes = 0;
numColl = 0;
numNocoll = 0;
numPolys = 0;
terrain = NULL;
elevation = NULL;
nmls = NULL;
vnc_array = NULL;
curr_course = -1;
numObjects = 0;
CourseIndex = "";
ObjectIndex = "";
PolyIndex = "";
}
TVector2 CCourse::GetStartPoint () {
return start_pt;
}
void CCourse::SetStartPoint (TVector2 p) {
start_pt = p;
}
double CCourse::GetBaseHeight (double distance){
double slope = tan (ANGLES_TO_RADIANS (course_angle));
double base_height;
base_height = -slope * distance -
base_height_value / 255.0 * elev_scale;
return base_height;
}
double CCourse::GetMaxHeight (double distance){
return GetBaseHeight (distance) + elev_scale;
}
double CCourse::GetCourseAngle () {
return course_angle;
}
double CCourse::GetCourseDescent () {
return course_descent;
}
void CCourse::GetDimensions (double *w, double *l) {
*w = width;
*l = length;
}
void CCourse::GetPlayDimensions (double *pw, double *pl) {
*pw = play_width;
*pl = play_length;
}
void CCourse::GetDivisions (int *x, int *y) {
*x = nx;
*y = ny;
}
void CCourse::GetGLArrays (GLubyte **vnc_arr) {
*vnc_arr = vnc_array;
}
void CCourse::EnableGLArrays() {
glEnableClientState (GL_VERTEX_ARRAY);
glVertexPointer (3, GL_FLOAT, STRIDE_GL_ARRAY, vnc_array);
glEnableClientState (GL_NORMAL_ARRAY);
glNormalPointer (GL_FLOAT, STRIDE_GL_ARRAY,
vnc_array + 3*sizeof(GLfloat));
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer (2, GL_FLOAT, STRIDE_GL_ARRAY,
vnc_array + 6*sizeof(GLfloat));
glEnableClientState (GL_COLOR_ARRAY);
glColorPointer (4, GL_UNSIGNED_BYTE, STRIDE_GL_ARRAY,
vnc_array + 8*sizeof(GLfloat));
}
void CCourse::DisableGLArrays() {
glDisableClientState (GL_VERTEX_ARRAY);
glDisableClientState (GL_NORMAL_ARRAY);
glDisableClientState (GL_TEXTURE_COORD_ARRAY);
glDisableClientState (GL_COLOR_ARRAY);
}
TPolyhedron CCourse::GetPoly (int type) {
return PolyArr[ObjTypes[type].poly];
}
int CCourse::GetCourseIdx (string dir) {
return SPIntN (CourseIndex, dir, 0);
}
void CCourse::CalcNormals () {
int x, y;
TVector3 p0, p1, p2;
TVector3 n, nml, v1, v2;
for (y=0; y<ny; y++) {
for (x=0; x<nx; x++) {
nml = MakeVector (0.0, 0.0, 0.0);
p0 = MakeVector (XCD(x), ELEV(x,y), ZCD(y));
if ((x + y) % 2 == 0) {
if (x > 0 && y > 0) {
p1 = NMLPOINT(x, y-1);
p2 = NMLPOINT(x-1,y-1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
p1 = NMLPOINT (x-1, y-1);
p2 = NMLPOINT (x-1, y);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x > 0 && y < ny-1) {
p1 = NMLPOINT(x-1,y);
p2 = NMLPOINT(x-1,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
p1 = NMLPOINT(x-1,y+1);
p2 = NMLPOINT(x ,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x < nx-1 && y > 0) {
p1 = NMLPOINT(x+1,y);
p2 = NMLPOINT(x+1,y-1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
p1 = NMLPOINT(x+1,y-1);
p2 = NMLPOINT(x ,y-1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x < nx-1 && y < ny-1) {
p1 = NMLPOINT(x+1,y);
p2 = NMLPOINT(x+1,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v1, v2);
NormVector (&n);
nml = AddVectors (nml, n);
p1 = NMLPOINT(x+1,y+1);
p2 = NMLPOINT(x ,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v1, v2);
NormVector (&n);
nml = AddVectors (nml, n);
}
} else {
if (x > 0 && y > 0) {
p1 = NMLPOINT(x, y-1);
p2 = NMLPOINT(x-1,y);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x > 0 && y < ny-1) {
p1 = NMLPOINT(x-1,y);
p2 = NMLPOINT(x ,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x < nx-1 && y > 0) {
p1 = NMLPOINT(x+1,y);
p2 = NMLPOINT(x ,y-1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v2, v1);
NormVector (&n);
nml = AddVectors (nml, n);
}
if (x < nx-1 && y < ny-1) {
p1 = NMLPOINT(x+1,y);
p2 = NMLPOINT(x ,y+1);
v1 = SubtractVectors (p1, p0);
v2 = SubtractVectors (p2, p0);
n = CrossProduct (v1, v2);
NormVector (&n);
nml = AddVectors (nml, n);
}
}
NormVector (&nml);
nmls [x + nx * y] = nml;
continue;
}
}
}
void CCourse::MakeCourseNormals () {
if (nmls != NULL) free (nmls);
nmls = (TVector3 *) malloc (sizeof(TVector3) * nx * ny);
if (nmls == NULL) Message ("malloc failed" , "");
CalcNormals ();
}
// --------------------------------------------------------------------
// FillGlArrays
// --------------------------------------------------------------------
void CCourse::FillGlArrays() {
int x,y;
TVector3 *normals = nmls;
TVector3 pt, nml;
int idx;
vnc_array = (GLubyte*) malloc (STRIDE_GL_ARRAY * nx * ny);
for (x=0; x<nx; x++) {
for (y=0; y<ny; y++) {
idx = STRIDE_GL_ARRAY * (y * nx + x);
pt.x = (GLfloat)x / (nx-1.0) * width;
pt.y = elevation[(x) + nx*(y)];
pt.z = -(GLfloat)y / (ny-1.0) * length;
FLOATVAL(0) = pt.x;
FLOATVAL(1) = pt.y;
FLOATVAL(2) = pt.z;
nml = normals[ x + y * nx ];
FLOATVAL(3) = nml.x;
FLOATVAL(4) = nml.y;
FLOATVAL(5) = nml.z;
FLOATVAL(6) = pt.x / COURSE_TEX_SCALE;
FLOATVAL(7) = pt.z / COURSE_TEX_SCALE;
BYTEVAL(0) = 255;
BYTEVAL(1) = 255;
BYTEVAL(2) = 255;
BYTEVAL(3) = 255;
}
}
}
void CCourse::MakeStandardPolyhedrons () {
int i;
// polyhedron "none"
PolyArr[0].num_vertices = 0;
PolyArr[0].num_polygons = 0;
PolyArr[0].vertices = NULL;
PolyArr[0].polygons = NULL;
// poyhedron "tree"
PolyArr[1].num_vertices = 6;
PolyArr[1].vertices = (TVector3*) malloc (sizeof(TVector3) * 6);
PolyArr[1].vertices[0] = MakeVector (0, 0, 0);
PolyArr[1].vertices[1] = MakeVector (0, 0.15, 0.5);
PolyArr[1].vertices[2] = MakeVector (0.5, 0.15, 0);
PolyArr[1].vertices[3] = MakeVector (0, 0.15, -0.5);
PolyArr[1].vertices[4] = MakeVector (-0.5, 0.15, 0);
PolyArr[1].vertices[5] = MakeVector (0, 1, 0);
PolyArr[1].num_polygons = 8;
PolyArr[1].polygons = (TPolygon*) malloc (sizeof(TPolygon) * 8);
for (i=0; i<PolyArr[1].num_polygons; i++) {
PolyArr[1].polygons[i].num_vertices = 3;
PolyArr[1].polygons[i].vertices = (int*) malloc (sizeof(int) * 3);
}
PolyArr[1].polygons[0].vertices[0] = 0;
PolyArr[1].polygons[0].vertices[1] = 1;
PolyArr[1].polygons[0].vertices[2] = 4;
PolyArr[1].polygons[1].vertices[0] = 0;
PolyArr[1].polygons[1].vertices[1] = 2;
PolyArr[1].polygons[1].vertices[2] = 1;
PolyArr[1].polygons[2].vertices[0] = 0;
PolyArr[1].polygons[2].vertices[1] = 3;
PolyArr[1].polygons[2].vertices[2] = 2;
PolyArr[1].polygons[3].vertices[0] = 0;
PolyArr[1].polygons[3].vertices[1] = 4;
PolyArr[1].polygons[3].vertices[2] = 3;
PolyArr[1].polygons[4].vertices[0] = 1;
PolyArr[1].polygons[4].vertices[1] = 5;
PolyArr[1].polygons[4].vertices[2] = 4;
PolyArr[1].polygons[5].vertices[0] = 2;
PolyArr[1].polygons[5].vertices[1] = 5;
PolyArr[1].polygons[5].vertices[2] = 1;
PolyArr[1].polygons[6].vertices[0] = 3;
PolyArr[1].polygons[6].vertices[1] = 5;
PolyArr[1].polygons[6].vertices[2] = 2;
PolyArr[1].polygons[7].vertices[0] = 4;
PolyArr[1].polygons[7].vertices[1] = 5;
PolyArr[1].polygons[7].vertices[2] = 3;
PolyIndex = "[none]0[tree]1";
numPolys = 2;
}
void CCourse::FreeTerrainTextures () {
for (int i=0; i<numTerr; i++) {
if (TerrList[i].texid > 0) {
glDeleteTextures (1, &TerrList[i].texid);
TerrList[i].texid = 0;
}
}
}
void CCourse::FreeObjectTextures () {
for (int i=0; i<numObjTypes; i++) {
if (ObjTypes[i].texid > 0) {
glDeleteTextures (1, &ObjTypes[i].texid);
ObjTypes[i].texid = 0;
}
}
}
// --------------------------------------------------------------------
// LoadElevMap
// --------------------------------------------------------------------
bool CCourse::LoadElevMap () {
CImage img;
double slope;
int x, y, pad;
if (!img.LoadPng (CourseDir.c_str(), "elev.png", true, false)) {
Message ("unable to open elev.png");
return false;
}
nx = img.nx;
ny = img.ny;
elevation = (double *) malloc (sizeof (double) * nx * ny);
if (elevation == NULL) {
Message ("malloc failed in LoadElevMap");
return false;
}
slope = tan (ANGLES_TO_RADIANS (course_angle));
pad = 0;
for (y=0; y<ny; y++) {
for (x=0; x<nx; x++) {
elevation [(nx-1-x) + nx * (ny-1-y)] =
((img.data [(x+nx*y) * img.depth + pad]
- base_height_value) / 255.0) * elev_scale
- (double)(ny-1-y) / ny * length * slope;
}
pad += (nx * img.depth) % 4;
}
return true;
}
// ====================================================================
// LoadItemList
// ====================================================================
void CCourse::LoadItemList () {
CSPList list (16000);
int i, x, z, type;
double height, diam, xx, zz;
string ObjectsFile;
string line;
string name;
bool coll;
string terrpath;
numColl = 0;
numNocoll = 0;
numObjects = 0;
if (!list.Load (CourseDir, "items.lst")) {
Message ("could not load items list");
return;
}
for (i=0; i<list.Count(); i++) {
line = list.Line (i);
x = SPIntN (line, "x", 0);
z = SPIntN (line, "z", 0);
height = SPFloatN (line, "height", 1);
diam = SPFloatN (line, "diam", 1);
xx = (nx - x) / (double)(nx - 1.0) * width;
zz = -(ny - z) / (double)(ny - 1.0) * length;
name = SPStrN (line, "name", "");
type = SPIntN (ObjectIndex, name, 0);
if (ObjTypes[type].texid < 1 && ObjTypes[type].drawable) {
terrpath = param.obj_dir + SEP + ObjTypes[type].texture;
ObjTypes[type].texid = Tex.LoadMipmapTexture (terrpath.c_str(), 0);
}
coll = ObjTypes[type].collidable;
if (coll == 1) {
CollArr[numColl].pt.x = xx;
CollArr[numColl].pt.z = zz;
CollArr[numColl].pt.y = FindYCoord (xx, zz);
CollArr[numColl].height = height;
CollArr[numColl].diam = diam;
CollArr[numColl].tree_type = type;
numColl++;
numObjects++;
} else if (coll == 0) {
NocollArr[numNocoll].pt.x = xx;
NocollArr[numNocoll].pt.z = zz;
NocollArr[numNocoll].pt.y = FindYCoord (xx, zz);
NocollArr[numNocoll].height = height;
NocollArr[numNocoll].diam = diam;
NocollArr[numNocoll].item_type = type;
NocollArr[numNocoll].collectable = ObjTypes[type].collectable;
NocollArr[numNocoll].drawable = ObjTypes[type].drawable;
ObjTypes[type].num_items++;
numNocoll++;
numObjects++;
}
}
}
// -------------------- LoadObjectMap ---------------------------------
int GetObject (unsigned char pixel[]) {
int r = pixel[0];
int g = pixel[1];
int b = pixel[2];
if (r<150 && b>200) return 0;
if (abs(r-194)<10 && abs(g-40)<10 && abs(b-40)<10) return 1;
if (abs(r-128)<10 && abs(g-128)<10 && b<10) return 2;
if (r>220 && g>220 && b<20) return 3;
if (r>220 && abs(g-128)<10 && b>220) return 4;
if (r>220 && g>220 && b>220) return 5;
if (r>220 && abs(g-96)<10 && b<40) return 6;
if (r<40 && g >220 && b<80) return 7;
return -1;
}
#define TREE_MIN 2.0
#define TREE_MAX 5.0
#define BARREN_MIN 4.0
#define BARREN_MAX 8.0
#define SHRUB_MIN 1.0
#define SHRUB_MAX 2.0
const double sizefact[6] = {0.5, 0.5, 0.7, 1.0, 1.4, 2.0};
const double varfact[6] = {1.0, 1.0, 1.22, 1.41, 1.73, 2.0};
const double diamfact = 1.4;
void CalcRandomTrees (double baseheight, double basediam, double &height, double &diam) {
double hhh = baseheight * sizefact[g_game.treesize];
double minsiz = hhh / varfact[g_game.treevar];
double maxsiz = hhh * varfact[g_game.treevar];
height = XRandom (minsiz, maxsiz);
diam = XRandom (height/diamfact, height);
}
bool CCourse::LoadObjectMap () {
CImage treeImg;
int x,y;
int pad;
string terrpath;
string itemfile;
int type, imgidx;
double xx, zz, height, diam;
bool coll;
CSPList savelist (10000);
string line;
if (!treeImg.LoadPng (CourseDir.c_str(), "trees.png", true, false)) {
Message ("unable to open trees.png");
return false;
}
pad = 0;
int cnt = 0;
numColl = 0;
numNocoll = 0;
numObjects = 0;
for (y=0; y<ny; y++) {
for (x=0; x<nx; x++) {
imgidx = (x + nx * y) * treeImg.depth + pad;
type = GetObject (&treeImg.data[imgidx]);
if (type >= 0) {
cnt++;
xx = (nx - x) / (double)(nx - 1.0) * width;
zz = -(ny - y) / (double)(ny - 1.0) * length;
if (ObjTypes[type].texid < 1 && ObjTypes[type].drawable) {
terrpath = param.obj_dir + SEP + ObjTypes[type].texture;
ObjTypes[type].texid = Tex.LoadMipmapTexture (terrpath.c_str(), 0);
}
// set random height and diam - see constants above
switch (type) {
case 5: CalcRandomTrees (2.5, 2.5, height, diam); break;
case 6: CalcRandomTrees (3, 3, height, diam); break;
case 7: CalcRandomTrees (1.2, 1.2, height, diam); break;
case 2: case 3:
height = 6.0;
diam = 9.0;
break;
default:
height = 1;
diam = 1;
break;
}
coll = ObjTypes[type].collidable;
if (coll == 1) {
CollArr[numColl].pt.x = xx;
CollArr[numColl].pt.z = zz;
CollArr[numColl].pt.y = FindYCoord (xx, zz);
CollArr[numColl].height = height;
CollArr[numColl].diam = diam;
CollArr[numColl].tree_type = type;
numColl++;
numObjects++;
}
else if (coll == 0) {
NocollArr[numNocoll].pt.x = xx;
NocollArr[numNocoll].pt.z = zz;
NocollArr[numNocoll].pt.y = FindYCoord (xx, zz);
NocollArr[numNocoll].height = height;
NocollArr[numNocoll].diam = diam;
NocollArr[numNocoll].item_type = type;
NocollArr[numNocoll].collectable = ObjTypes[type].collectable;
NocollArr[numNocoll].drawable = ObjTypes[type].drawable;
ObjTypes[type].num_items++;
numNocoll++;
numObjects++;
}
if (SaveItemsFlag) {
line = "*[name]";
line += ObjTypes[type].name;
SPSetIntN (line, "x", x);
SPSetIntN (line, "z", y);
SPSetFloatN (line, "height", height, 1);
SPSetFloatN (line, "diam", diam, 1);
savelist.Add (line);
}
}
}
pad += (nx * treeImg.depth) % 4;
}
if (SaveItemsFlag) {
itemfile = CourseDir + SEP + "items.lst";
savelist.Save (itemfile);
}
return true;
}
// --------------------------------------------------------------------
// LoadObjectTypes
// --------------------------------------------------------------------
bool CCourse::LoadObjectTypes () {
int i;
string line;
CSPList list (MAX_OBJECT_TYPES+10);
for (i=0; i<MAX_OBJECT_TYPES; i++) ObjTypes[i].texid = 0;
numObjTypes = 0;
if (!list.Load (param.obj_dir, "object_types.lst")) {
Message ("could not load object types");
return false;
}
for (i=0; i<list.Count(); i++) {
line = list.Line (i);
ObjTypes[i].name = SPStrN (line, "name", "");
ObjTypes[i].texture = ObjTypes[i].name;
ObjTypes[i].drawable = SPIntN (line, "draw", 1);
if (ObjTypes[i].drawable) {
ObjTypes[i].texture = SPStrN (line, "texture", "");
}
ObjTypes[i].collectable = SPIntN (line, "snap", -1);
if (ObjTypes[i].collectable == 0) {
ObjTypes[i].collectable = -1;
}
ObjTypes[i].collidable = SPIntN (line, "coll", 0);
ObjTypes[i].reset_point = SPIntN (line, "reset", 0);
ObjTypes[i].use_normal = SPIntN (line, "usenorm", 0);
if (ObjTypes[i].use_normal) {
ObjTypes[i].normal = SPVector3N (line, "norm", MakeVector (0, 1, 0));
NormVector (&(ObjTypes[i].normal));
}
ObjTypes[i].poly = 1;
numObjTypes++;
}
list.MakeIndex (ObjectIndex, "name");
return true;
}
// ====================================================================
// Terrain
// ====================================================================
int CCourse::GetTerrain (unsigned char pixel[]) {
int i;
for (i=0; i<numTerr; i++) {
if (abs(pixel[0]-(int)(TerrList[i].col.r)) < 30
&& abs(pixel[1]-(int)(TerrList[i].col.g)) < 30
&& abs(pixel[2]-(int)(TerrList[i].col.b)) < 30) {
return i;
}
}
return 0;
}
// --------------------------------------------------------------------
// LoadTerrainTypes
// --------------------------------------------------------------------
bool CCourse::LoadTerrainTypes () {
int i;
string line;
CSPList list(MAX_TERR_TYPES +10);
for (i=0; i<MAX_TERR_TYPES; i++) TerrList[i].texid = 0;
numTerr = 0;
if (!list.Load (param.terr_dir, "terrains.lst")) {
Message ("could not load terrain types");
return false;
}
for (i=0; i<list.Count(); i++) {
line = list.Line(i);
TerrList[i].texture = SPStrN (line, "texture", "");
TerrList[i].sound = SPStrN (line, "sound", "");
TerrList[i].starttex = SPIntN (line, "starttex", -1);
TerrList[i].tracktex = SPIntN (line, "tracktex", -1);
TerrList[i].stoptex = SPIntN (line, "stoptex", -1);
TerrList[i].col = SPColor3N (line, "col", MakeColor3 (1, 1, 1));
TerrList[i].friction = SPFloatN (line, "friction", 0.5);
TerrList[i].depth = SPFloatN (line, "depth", 0.01);
TerrList[i].particles = SPIntN (line, "part", 0);
TerrList[i].trackmarks = SPIntN (line, "trackmarks", 0);
if (SPIntN (line, "shiny", 0) > 0) {
TerrList[i].shiny = true;
} else {
TerrList[i].shiny = false;
}
TerrList[i].vol_type = SPIntN (line, "vol_type", 1);
numTerr++;
}
return true;
}
// --------------------------------------------------------------------
// LoadTerrainMap
// --------------------------------------------------------------------
bool CCourse::LoadTerrainMap () {
CImage terrImage;
int x,y;
int pad;
int arridx, imgidx;
int terr;
GLuint texid;
string terrpath;
if (!terrImage.LoadPng (CourseDir.c_str(), "terrain.png", true, false)) {
Message ("unable to open terrain.png");
return false;
}
if (nx != terrImage.nx || ny != terrImage.ny) {
Message ("wrong terrain size", "");
}
terrain = (char *) malloc (sizeof (char) * nx * ny);
if (terrain == NULL) {
Message ("malloc failed in LoadTerrainMap", "");
}
pad = 0;
for (y=0; y<ny; y++) {
for (x=0; x<nx; x++) {
imgidx = (x+nx*y) * terrImage.depth + pad;
arridx = (nx-1-x) + nx * (ny-1-y);
terr = GetTerrain (&terrImage.data[imgidx]);
terrain[arridx] = terr;
if (TerrList[terr].texid < 1) {
terrpath = param.terr_dir + SEP + TerrList[terr].texture;
texid = Tex.LoadMipmapTexture (terrpath.c_str(), 1);
TerrList[terr].texid = texid;
}
}
pad += (nx * terrImage.depth) % 4;
}
return true;
}
// --------------------------------------------------------------------
// LoadCourseList
// --------------------------------------------------------------------
bool CCourse::LoadCourseList () {
string listfile, previewfile, paramfile, coursepath;
string line, desc;
int i, ll, cnt;
GLuint texid;
CSPList desclist (12);
for (i=0; i<MAX_COURSES; i++) {
CourseList[i].name = "";
CourseList[i].dir = "";
CourseList[i].author = "";
CourseList[i].preview = 0;
}
CSPList list (128);
CSPList paramlist (48);
if (!list.Load (param.common_course_dir, "courses.lst")) {
Message ("could not load courses.lst");
return false;
}
for (i=0; i<list.Count(); i++) {
line = list.Line (i);
CourseList[i].name = SPStrN (line, "name", "noname");
CourseList[i].dir = SPStrN (line, "dir", "nodir");
CourseList[i].author = SPStrN (line, "author", "unknown");
desc = SPStrN (line, "desc", "");
FT.AutoSizeN (2);
FT.MakeLineList (desc.c_str(), &desclist, 300 * param.scale);
cnt = desclist.Count ();
if (cnt > MAX_DESCRIPTION_LINES) cnt = MAX_DESCRIPTION_LINES;
CourseList[i].num_lines = cnt;
for (ll=0; ll<cnt; ll++) {
CourseList[i].desc[ll] = desclist.Line (ll);
}
desclist.Clear ();
coursepath = param.common_course_dir + SEP + CourseList[i].dir;
if (DirExists (coursepath.c_str())) {
// preview
previewfile = coursepath + SEP + "preview.png";
texid = Tex.LoadMipmapTexture (previewfile.c_str(), 0);
if (texid < 1) {
Message ("couldn't load previewfile");
// texid = Tex.TexID (NO_PREVIEW);
}
CourseList[i].preview = texid;
// params
paramfile = coursepath + SEP + "course.dim";
if (!paramlist.Load (paramfile)) {
Message ("could not load course.dim");
}
line = paramlist.Line (0);
CourseList[i].width = SPFloatN (line, "width", 100);
CourseList[i].length = SPFloatN (line, "length", 1000);
CourseList[i].play_width = SPFloatN (line, "play_width", 90);
CourseList[i].play_length = SPFloatN (line, "play_length", 900);
CourseList[i].angle = SPFloatN (line, "angle", 10);
CourseList[i].scale = SPFloatN (line, "scale", 10);
CourseList[i].startx = SPFloatN (line, "startx", 50);
CourseList[i].starty = SPFloatN (line, "starty", 5);
CourseList[i].env = Env.GetEnvIdx (SPStrN (line, "env", "etr"));
CourseList[i].music_theme = Music.GetThemeIdx (SPStrN (line, "theme", "normal"));
CourseList[i].use_keyframe = SPIntN (line, "use_keyframe", 0);
CourseList[i].finish_brake = SPFloatN (line, "finish_brake", 20);
paramlist.Clear (); // the list is used several times
}
numCourses = i + 1;
}
list.MakeIndex (CourseIndex, "dir");
return true;
}
void CCourse::FreeCourseList () {
for (int i=0; i<MAX_COURSES; i++) {
if (CourseList[i].preview > 0) glDeleteTextures (1, &CourseList[i].preview);
}
}
// ===================================================================
// LoadCourse
// ===================================================================
void CCourse::ResetCourse () {
if (nmls != NULL) {free (nmls); nmls = NULL;}
if (vnc_array != NULL) {free (vnc_array); vnc_array = NULL;}
if (elevation != NULL) {free (elevation); elevation = NULL;}
if (terrain != NULL) {free (terrain); terrain = NULL;}
FreeTerrainTextures ();
FreeObjectTextures ();
ResetQuadtree ();
curr_course = -1;
}
bool CCourse::LoadCourse (int idx) {
CControl *ctrl = Players.GetCtrl (g_game.player_id);
if (idx < 0 || idx >= numCourses) {
Message ("wrong course index");
curr_course = -1;
return false;
}
if (idx == curr_course && !g_game.force_treemap) return true;
ResetCourse ();
CourseDir = param.common_course_dir + SEP + CourseList[idx].dir;
width = CourseList[idx].width;
length = CourseList[idx].length;
play_width = CourseList[idx].play_width;
play_length = CourseList[idx].play_length;
course_angle = CourseList[idx].angle;
course_descent = tan (course_angle * 6.2832 / 360.0) * length;
elev_scale = CourseList[idx].scale;
start_pt.x = CourseList[idx].startx;
start_pt.y = -CourseList[idx].starty;
base_height_value = 127;
env = CourseList[idx].env;
music_theme = CourseList[idx].music_theme;
g_game.use_keyframe = CourseList[idx].use_keyframe;
g_game.finish_brake = CourseList[idx].finish_brake;
if (!LoadElevMap ()) {
Message ("could not load course elev map");
return false;
}
MakeCourseNormals ();
FillGlArrays ();
if (!LoadTerrainMap ()) {
Message ("could not load course terrain map");
return false;
}
// ................................................................
string itemfile = CourseDir + SEP + "items.lst";
bool itemsexists = (FileExists (itemfile.c_str()));
if (itemsexists && !g_game.force_treemap) {
SaveItemsFlag = false;
LoadItemList ();
} else {
SaveItemsFlag = true;
LoadObjectMap ();
}
g_game.force_treemap = false;
// ................................................................
init_track_marks ();
InitQuadtree (
elevation, nx, ny,
width / (nx - 1.0),
-length / (ny - 1.0),
ctrl->viewpos,
param.course_detail_level);
if (g_game.mirror_id > 0) MirrorCourse ();
curr_course = idx;
return true;
}
int CCourse::GetEnv () {
return env;
}
// --------------------------------------------------------------------
// mirror course
// --------------------------------------------------------------------
void CCourse::MirrorCourseData () {
int x, y, i, idx1, idx2;
double tmp;
char tmp_terrain;
TVector3 tmp_vec;
CControl *ctrl = Players.GetCtrl (g_game.player_id);
for (y=0; y<ny; y++) {
for (x=0; x<nx/2; x++) {
tmp = ELEV(x,y);
ELEV(x,y) = ELEV(nx-1-x, y);
ELEV(nx-1-x,y) = tmp;
idx1 = (x+1) + nx*(y);
idx2 = (nx-1-x) + nx*(y);
tmp_terrain = terrain[idx1];
terrain[idx1] = terrain[idx2];
terrain[idx2] = tmp_terrain;
idx1 = (x) + nx*(y);
idx2 = (nx-1-x) + nx*(y);
tmp_vec = nmls[idx1];
nmls[idx1] = nmls[idx2];
nmls[idx2] = tmp_vec;
nmls[idx1].x *= -1;
nmls[idx2].x *= -1;
}
}
for (i=0; i<numColl; i++) {
CollArr[i].pt.x = width - CollArr[i].pt.x;
CollArr[i].pt.y = FindYCoord (CollArr[i].pt.x, CollArr[i].pt.z);
}
for (i=0; i<numNocoll; i++) {
NocollArr[i].pt.x = width - NocollArr[i].pt.x;
NocollArr[i].pt.y = FindYCoord (NocollArr[i].pt.x, NocollArr[i].pt.z);
}
FillGlArrays();