2000-09-25 17:43:52 +02:00
|
|
|
/*************/
|
|
|
|
/*** Utils ***/
|
|
|
|
/*************/
|
|
|
|
|
|
|
|
#include "stdafx.h"
|
2000-11-21 22:27:55 +01:00
|
|
|
|
2000-09-25 17:43:52 +02:00
|
|
|
#include "gl3d.h"
|
|
|
|
#include <gl\gl.h>
|
|
|
|
#include <gl\glu.h>
|
|
|
|
#include <gl\glut.h>
|
2000-10-27 20:18:30 +02:00
|
|
|
#include <gl\glaux.h> // Header File For The Glaux Library
|
2000-09-25 17:43:52 +02:00
|
|
|
#include "GLEnabledView.h"
|
2000-10-27 02:06:19 +02:00
|
|
|
#include "maths.h"
|
2000-09-25 17:43:52 +02:00
|
|
|
|
|
|
|
#include "Utils.H"
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
void DbgMsg(const char * pszFmt,...)
|
|
|
|
{
|
|
|
|
char szBuf[256];
|
|
|
|
if (pszFmt)
|
|
|
|
{
|
|
|
|
va_list args;
|
|
|
|
va_start(args,pszFmt);
|
|
|
|
vsprintf(szBuf,pszFmt,args);
|
|
|
|
OutputDebugString(szBuf);
|
|
|
|
va_end(args);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
/**************************************************************************************/
|
|
|
|
void BuildGLBox(float XMin,float XMax,float YMin,float YMax,float ZMin,float ZMax)
|
|
|
|
{
|
|
|
|
// Bottom Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f( 0.0f,-1.0f, 0.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
// Front Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f( 0.0f, 0.0f, 1.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
// Back Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f( 0.0f, 0.0f,-1.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
// Right face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f( 1.0f, 0.0f, 0.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
// Left Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f(-1.0f, 0.0f, 0.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
// Top Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-09-25 17:43:52 +02:00
|
|
|
glNormal3f( 0.0f, 1.0f, 0.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-09-25 17:43:52 +02:00
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
void BuildGLBoxNoNormals(float XMin,float XMax,float YMin,float YMax,float ZMin,float ZMax)
|
|
|
|
{
|
|
|
|
// Bottom Face
|
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
// Front Face
|
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
// Back Face
|
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
// Right face
|
|
|
|
glVertex3f( XMax, YMin, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMin, ZMax);
|
|
|
|
// Left Face
|
|
|
|
glVertex3f( XMin, YMin, ZMin);
|
|
|
|
glVertex3f( XMin, YMin, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
// Top Face
|
|
|
|
glVertex3f( XMin, YMax, ZMin);
|
|
|
|
glVertex3f( XMin, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMax);
|
|
|
|
glVertex3f( XMax, YMax, ZMin);
|
|
|
|
}
|
2000-10-25 23:00:54 +02:00
|
|
|
|
2000-09-25 17:43:52 +02:00
|
|
|
/**************************************************************************************/
|
2000-10-25 23:00:54 +02:00
|
|
|
void BuildGLQuad(float XMin,float XMax,float YMin,float YMax,float Z)
|
|
|
|
{
|
|
|
|
// Front Face
|
2000-11-24 23:34:20 +01:00
|
|
|
#ifdef UseLighting
|
2000-10-25 23:00:54 +02:00
|
|
|
glNormal3f( 0.0f, 0.0f, 1.0f);
|
2000-11-24 23:34:20 +01:00
|
|
|
#endif
|
2000-10-25 23:00:54 +02:00
|
|
|
glVertex3f( XMin, YMin, Z);
|
|
|
|
glVertex3f( XMax, YMin, Z);
|
|
|
|
glVertex3f( XMax, YMax, Z);
|
|
|
|
glVertex3f( XMin, YMax, Z);
|
|
|
|
}
|
|
|
|
|
2000-09-25 17:43:52 +02:00
|
|
|
/**************************************************************************************/
|
|
|
|
/**************************************************************************************/
|
2000-10-27 02:06:19 +02:00
|
|
|
/**************************************************************************************/
|
|
|
|
void TNormalise(TVECTOR &V)
|
|
|
|
{
|
|
|
|
float SqMag = V.length2();// v.x * v.x + v.y * v.y + v.z * v.z;
|
|
|
|
|
|
|
|
if (SqMag> 0.001f)
|
|
|
|
{
|
|
|
|
float Mag = (float)sqrt( SqMag);
|
|
|
|
|
|
|
|
V/=Mag;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
TVECTOR TCrossProduct(TVECTOR const &V0,TVECTOR const &V1,const TVECTOR &V2 )
|
|
|
|
{
|
|
|
|
TVECTOR DV1, DV2;
|
|
|
|
TVECTOR Out;
|
|
|
|
|
|
|
|
DV1.X() = V1.X() - V0.X();
|
|
|
|
DV1.Y() = V1.Y() - V0.Y();
|
|
|
|
DV1.Z() = V1.Z() - V0.Z();
|
|
|
|
|
|
|
|
DV2.X() = V2.X() - V0.X();
|
|
|
|
DV2.Y() = V2.Y() - V0.Y();
|
|
|
|
DV2.Z() = V2.Z() - V0.Z();
|
|
|
|
|
|
|
|
Out.SetX( (DV1.Z() * DV2.Y()) - (DV1.Y() * DV2.Z()) );
|
|
|
|
Out.SetY( (DV1.X() * DV2.Z()) - (DV1.Z() * DV2.X()) );
|
|
|
|
Out.SetZ( (DV1.Y() * DV2.X()) - (DV1.X() * DV2.Y()) );
|
|
|
|
|
|
|
|
TNormalise(Out);
|
|
|
|
return Out;
|
|
|
|
}
|
|
|
|
|
2000-11-17 22:36:13 +01:00
|
|
|
/**************************************************************************************/
|
|
|
|
CPoint IDToPoint(int ID,int Width)
|
|
|
|
{
|
|
|
|
CPoint XY;
|
|
|
|
|
|
|
|
XY.x=ID%Width;
|
|
|
|
XY.y=ID/Width;
|
|
|
|
return(XY);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
int PointToID(CPoint &Pnt,int Width)
|
|
|
|
{
|
|
|
|
int ID;
|
|
|
|
ID=(Pnt.y*Width)+Pnt.x;
|
|
|
|
|
|
|
|
return(ID);
|
|
|
|
}
|
|
|
|
|
2000-10-27 02:06:19 +02:00
|
|
|
/**************************************************************************************/
|
|
|
|
/**************************************************************************************/
|
|
|
|
/**************************************************************************************/
|
2000-11-21 22:27:55 +01:00
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
struct sTgaHdr
|
|
|
|
{
|
|
|
|
char id; // 0
|
|
|
|
char colmaptype; // 1
|
|
|
|
char imagetype; // 2
|
|
|
|
char fei[2]; // 3
|
|
|
|
char cml[2]; // 5
|
|
|
|
char cmes; // 7
|
|
|
|
short xorig; // 8
|
|
|
|
short yorig; // 10
|
|
|
|
short width; // 12
|
|
|
|
short height; // 14
|
|
|
|
char depth; // 15
|
|
|
|
char imagedesc; // 16
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
2000-11-24 23:34:20 +01:00
|
|
|
void SaveTGA(char *Filename,int W,int H,u8 *Data)
|
2000-11-21 22:27:55 +01:00
|
|
|
{
|
|
|
|
FILE *File;
|
|
|
|
sTgaHdr FileHdr;
|
|
|
|
|
|
|
|
File=fopen(Filename,"wb");
|
|
|
|
|
|
|
|
memset(&FileHdr,0 ,sizeof(sTgaHdr));
|
|
|
|
|
|
|
|
FileHdr.imagetype= 2; //imagetype
|
2000-11-22 23:08:47 +01:00
|
|
|
FileHdr.width = W;
|
|
|
|
FileHdr.height= H;
|
2000-11-21 22:27:55 +01:00
|
|
|
FileHdr.depth=24;
|
|
|
|
|
|
|
|
fwrite(&FileHdr,sizeof(sTgaHdr),1,File);
|
|
|
|
|
2000-11-22 23:08:47 +01:00
|
|
|
fwrite(Data,W*H*3,1,File);
|
2000-11-21 22:27:55 +01:00
|
|
|
|
|
|
|
fclose(File);
|
|
|
|
|
|
|
|
|
|
|
|
}
|
2000-11-22 23:08:47 +01:00
|
|
|
|
|
|
|
/**************************************************************************************/
|
2000-11-24 23:34:20 +01:00
|
|
|
void BGR2RGB(int W,int H,u8 *Data)
|
2000-11-22 23:08:47 +01:00
|
|
|
{
|
|
|
|
for (int Y=0; Y<H; Y++)
|
|
|
|
{
|
|
|
|
for (int X=0; X<W; X++)
|
|
|
|
{
|
2000-11-24 23:34:20 +01:00
|
|
|
u8 c0,c1;
|
2000-11-22 23:08:47 +01:00
|
|
|
c0=Data[0];
|
|
|
|
c1=Data[2];
|
|
|
|
Data[0]=c1;
|
|
|
|
Data[2]=c0;
|
|
|
|
Data+=3;
|
|
|
|
}
|
|
|
|
}
|
2000-11-24 23:34:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************************/
|
|
|
|
void SaveBmp(char *Filename,int Width,int Height,RGBQUAD *Pal,u8 *Image)
|
|
|
|
{
|
|
|
|
FILE *File;
|
|
|
|
BITMAPFILEHEADER FileHdr;
|
|
|
|
BITMAPINFOHEADER ImageHdr;
|
|
|
|
int PaletteSize,ImageSize;
|
|
|
|
|
|
|
|
File=fopen(Filename,"wb");
|
|
|
|
|
|
|
|
if (!Pal)
|
|
|
|
{
|
|
|
|
PaletteSize=0;
|
|
|
|
ImageSize=Width*Height*3;
|
|
|
|
ImageHdr.biBitCount=24;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
PaletteSize=256*sizeof(RGBQUAD);
|
|
|
|
ImageSize=Width*Height;
|
|
|
|
ImageHdr.biBitCount=8;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
FileHdr.bfType=19778;
|
|
|
|
FileHdr.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+PaletteSize+ImageSize;
|
|
|
|
FileHdr.bfReserved1=0;
|
|
|
|
FileHdr.bfReserved2=0;
|
|
|
|
FileHdr.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+PaletteSize;
|
|
|
|
|
|
|
|
ImageHdr.biSize=sizeof(BITMAPINFOHEADER);
|
|
|
|
ImageHdr.biWidth=Width;
|
|
|
|
ImageHdr.biHeight=Height;
|
|
|
|
ImageHdr.biPlanes=1;
|
|
|
|
// Set Above ImageHdr.biBitCount=8; // 24
|
|
|
|
ImageHdr.biCompression=BI_RGB;
|
|
|
|
ImageHdr.biSizeImage=0;
|
|
|
|
ImageHdr.biXPelsPerMeter=0;
|
|
|
|
ImageHdr.biYPelsPerMeter=0;
|
|
|
|
ImageHdr.biClrUsed=0;
|
|
|
|
ImageHdr.biClrImportant=0;
|
|
|
|
|
|
|
|
fwrite(&FileHdr,sizeof(BITMAPFILEHEADER),1,File);
|
|
|
|
fwrite(&ImageHdr,sizeof(BITMAPINFOHEADER),1,File);
|
|
|
|
|
|
|
|
if (Pal) fwrite(Pal,sizeof(RGBQUAD),256,File);
|
|
|
|
|
|
|
|
fwrite(Image,ImageSize,1,File);
|
|
|
|
/*
|
|
|
|
for (int Y=0;Y<Height;Y++)
|
|
|
|
{
|
|
|
|
for (int X=0;X<Width;X++)
|
|
|
|
{
|
|
|
|
TRACE1("%02d ",*Image++);
|
|
|
|
|
|
|
|
}
|
|
|
|
TRACE0("\n");
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
fclose(File);
|
|
|
|
|
|
|
|
|
|
|
|
}
|