117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/*
|
|
This file is part of Warzone 2100.
|
|
Copyright (C) 1999-2004 Eidos Interactive
|
|
Copyright (C) 2005-2007 Warzone Resurrection Project
|
|
|
|
Warzone 2100 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.
|
|
|
|
Warzone 2100 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 Warzone 2100; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/***************************************************************************/
|
|
/*
|
|
* pieMatrix.h
|
|
*
|
|
* matrix functions for pumpkin image library.
|
|
*
|
|
*/
|
|
/***************************************************************************/
|
|
#ifndef _pieMatrix_h
|
|
#define _pieMatrix_h
|
|
|
|
#include "lib/ivis_common/piedef.h"
|
|
|
|
/***************************************************************************/
|
|
/*
|
|
* Global Definitions
|
|
*/
|
|
/***************************************************************************/
|
|
|
|
typedef struct {SDWORD a, b, c, d, e, f, g, h, i, j, k, l;} SDMATRIX;
|
|
|
|
/***************************************************************************/
|
|
/*
|
|
* Global Variables
|
|
*/
|
|
/***************************************************************************/
|
|
|
|
extern SDMATRIX *psMatrix;
|
|
extern SDWORD aSinTable[];
|
|
|
|
//*************************************************************************
|
|
|
|
// FIXME DUPLICATE CODE! Already present in trig.c!
|
|
#define SIN(X) aSinTable[(Uint16)(X) >> 4]
|
|
#define COS(X) aSinTable[((Uint16)(X) >> 4) + 1024]
|
|
|
|
|
|
//*************************************************************************
|
|
|
|
#define pie_ROTATE_TRANSLATE(x,y,z,xs,ys,zs) \
|
|
{ \
|
|
xs = (x) * psMatrix->a + (y) * psMatrix->d + (z) * psMatrix->g + \
|
|
psMatrix->j; \
|
|
ys = (x) * psMatrix->b + (y) * psMatrix->e + (z) * psMatrix->h + \
|
|
psMatrix->k; \
|
|
zs = (x) * psMatrix->c + (y) * psMatrix->f + (z) * psMatrix->i + \
|
|
psMatrix->l; \
|
|
xs >>=FP12_SHIFT; \
|
|
ys >>=FP12_SHIFT; \
|
|
zs >>=FP12_SHIFT; \
|
|
}
|
|
|
|
//*************************************************************************
|
|
|
|
|
|
//*************************************************************************
|
|
|
|
#define pie_CLOCKWISE(x0,y0,x1,y1,x2,y2) ((((y1)-(y0)) * ((x2)-(x1))) <= (((x1)-(x0)) * ((y2)-(y1))))
|
|
|
|
//*************************************************************************
|
|
|
|
|
|
extern void pie_MatInit(void);
|
|
|
|
|
|
//*************************************************************************
|
|
|
|
extern void pie_MatBegin(void);
|
|
extern void pie_MatEnd(void);
|
|
extern void pie_MATTRANS(int x,int y,int z);
|
|
extern void pie_TRANSLATE(int x, int y, int z);
|
|
extern void pie_MatScale( UDWORD percent );
|
|
extern void pie_MatRotX(int x);
|
|
extern void pie_MatRotY(int y);
|
|
extern void pie_MatRotZ(int z);
|
|
extern Sint32 pie_RotProj(Vector3i *v3d, Vector2i *v2d);
|
|
extern Sint32 pie_RotateProject(SDWORD x, SDWORD y, SDWORD z, SDWORD* xs, SDWORD* ys);
|
|
|
|
//*************************************************************************
|
|
|
|
extern void pie_PerspectiveBegin(void);
|
|
extern void pie_PerspectiveEnd(void);
|
|
|
|
//*************************************************************************
|
|
|
|
extern void pie_VectorNormalise(Vector3i *v);
|
|
extern void pie_VectorInverseRotate0(Vector3i *v1, Vector3i *v2);
|
|
extern void pie_SurfaceNormal(Vector3i *p1, Vector3i *p2, Vector3i *p3, Vector3i *v);
|
|
extern BOOL pie_Clockwise(iVertex *s);
|
|
extern void pie_SetGeometricOffset(int x, int y);
|
|
|
|
extern BOOL pie_PieClockwise(PIEVERTEX *s);
|
|
|
|
void pie_Begin3DScene(void);
|
|
void pie_BeginInterface(void);
|
|
|
|
#endif
|