diff options
Diffstat (limited to 'src/win95/item.c')
| -rw-r--r-- | src/win95/item.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/win95/item.c b/src/win95/item.c deleted file mode 100644 index af4edef..0000000 --- a/src/win95/item.c +++ /dev/null @@ -1,306 +0,0 @@ - -#include "3dc.h" -#include "module.h" -#include "inline.h" -#include "krender.h" /* KJL 11:37:53 12/05/96 - new scandraws patch */ - -/* KJL 15:02:50 05/14/97 - new max lighting intensity */ -#define MAX_INTENSITY (65536*4-1) - - -#if StandardShapeLanguage - - -#define UseLocalAssert Yes - -#include "ourasert.h" - -/* - The outputclockwise compile option has been - maintained in case anyone wants to use the existing - triangle array code with counterclockwise ordering. - In the case of Win95, we might want to this if we can ever - persuade the Direct3D rasterisation module to come up - with CULL_CCW set. Note that outputtriangles has now been purged - from the system. -*/ - -#define outputclockwise Yes - -#define use_div_fixed Yes - -#define trip_debugger No - -#if trip_debugger -int testa = 0; -int testb = 100; -int testc = 0; -#endif - -/* - To make scan draws work backwards as - well as forwards, i.e. to cope with - items that would be backface culled - without the no cull flag set, as in racing - game TLOs. - This should now work for all polygon types. -*/ - -#define ReverseDraws Yes - -/* - To optimise scan draws with local variables - explicitly braced to improve compiler - optimisation. - NOTE THIS IS -->ONLY<-- IMPLEMENTED FOR - VIDEOMODETYPE_8, 2DTEXTURE, 3DTEXTURE (LINEAR) - AND 3DTEXTURE (LINEAR_S) AT PRESENT. - AND NOT ALL THE OPTIONS INSIDE THOSE!!! - NOTE ALSO THAT THIS APPEARS TO PRODUCE BAD CODE - WITH WATCOM 10.0 AND -oeitlr, BUT WE HOPE IT WILL - WORK WITH WATCOM 10.6 - -->CRASHES, AS IT HAPPENS!!!<-- -*/ -/* - Prototypes -*/ - - - -/* - - externs for commonly used global variables and arrays - -*/ - - extern int VideoModeType; - extern int VideoModeTypeScreen; - extern int ScanDrawMode; - extern int **ShadingTableArray; - extern unsigned char **PaletteShadingTableArray; - extern VIEWDESCRIPTORBLOCK *Global_VDB_Ptr; - extern unsigned char *ScreenBuffer; - - - - extern IMAGEHEADER *ImageHeaderPtrs[MaxImages]; - extern SCREENDESCRIPTORBLOCK ScreenDescriptorBlock; - extern long BackBufferPitch; - - /* For multiple execute buffers */ - extern int NumVertices; - - -#endif /* for support3dtextures */ - -/* - - Global Variables - -*/ - - -// int *ItemPointers[maxpolyptrs]; - -// int ItemData[maxpolys * avgpolysize]; - - - int **NextFreeItemPtr; - int *NextFreeItemData; - - int NumFreeItemPtrs; - int NumFreeItemData; - - int ItemCount; /* Instead of a Terminator */ - - POLYHEADER *global_pheader; - - int MIP_Index; - -/* - - Global Variables For Scan Convertors - -*/ - - int ScanData[maxpolys*maxscansize]; - int *NextFreeScanData; - int NumFreeScanData; - int NumScans; - - - int NumPolyPts; - - - -/* - - Item Data Structures. - - Buffer Initialisation and Allocation Functions. - -*/ - - - - -/* - John and Neal's code - Note this is only experimental, for the interface engine, - and therefore does not go through the standard scan draw - function array!!! Also, it only works in VideoModeType_8!!! - USE AT YOUR PERIL!!!! -*/ - -void Draw_Line_VMType_8(VECTOR2D* LineStart, VECTOR2D* LineEnd, int LineColour) -{ - int gosa, tame, hani, dire; - int w, x, y; - int x1, y1, x2, y2; - unsigned char *sbufferptr; - unsigned char colour = LineColour; - - x1 = LineStart->vx; - y1 = LineStart->vy; - x2 = LineEnd->vx; - y2 = LineEnd->vy; - - x1=max(x1,Global_VDB_Ptr->VDB_ClipLeft); - x1=min(x1,Global_VDB_Ptr->VDB_ClipRight-1); - x2=max(x2,Global_VDB_Ptr->VDB_ClipLeft); - x2=min(x2,Global_VDB_Ptr->VDB_ClipRight-1); - - y1=max(y1,Global_VDB_Ptr->VDB_ClipUp); - y1=min(y1,Global_VDB_Ptr->VDB_ClipDown-1); - y2=max(y2,Global_VDB_Ptr->VDB_ClipUp); - y2=min(y2,Global_VDB_Ptr->VDB_ClipDown-1); - - if( abs( x2 - x1 ) < abs( y2 - y1 ) ) { - if( y2 < y1 ) { - w = y1; - y1 = y2; - y2 = w; - w = x1; - x1 = x2; - x2 = w; - } - dire = x1 < x2 ? 1 : -1; - gosa = abs( x2 - x1 ); - hani = y2 - y1; - tame = hani / 2; - x = x1; - for( y = y1; y <= y2; y++ ) { - sbufferptr = - ScreenBuffer + - (y * BackBufferPitch) + x; - *sbufferptr = colour; - tame += gosa; - if( tame > hani ) { - x += dire; - tame -= hani; - } - } - } else { - if( x2 < x1 ) { - w = x1; - x1 = x2; - x2 = w; - w = y1; - y1 = y2; - y2 = w; - } - dire = y1 < y2 ? 1 : -1; - gosa = abs( y2 - y1 ); - hani = x2 - x1; - tame = hani / 2; - y = y1; - for( x = x1; x <= x2; x++ ) { - sbufferptr = - ScreenBuffer + - (y * BackBufferPitch) + x; - *sbufferptr = colour; - tame += gosa; - if( tame > hani ) { - y += dire; - tame -= hani; - } - } - } - -} - - - -/* - - Scan Convert and Draw I_GouraudPolygon - -*/ - - -void Draw_Item_GouraudPolygon(int *itemptr) -{ - if (ScanDrawMode == ScanDrawDirectDraw) - { - KDraw_Item_GouraudPolygon(itemptr); - } -} - - -void Draw_Item_2dTexturePolygon(int *itemptr) -{ - if (ScanDrawMode == ScanDrawDirectDraw) - { - KDraw_Item_2dTexturePolygon(itemptr); - } -} - -void Draw_Item_Gouraud2dTexturePolygon(int *itemptr) -{ - if (ScanDrawMode == ScanDrawDirectDraw) - { - KDraw_Item_Gouraud2dTexturePolygon(itemptr); - } -} - -void Draw_Item_Gouraud3dTexturePolygon(int *itemptr) -{ - if (ScanDrawMode == ScanDrawDirectDraw) - { - KDraw_Item_Gouraud3dTexturePolygon(itemptr); - } -} - -void Draw_Item_ZB_Gouraud3dTexturePolygon(int *itemptr) -{ -} - -void Draw_Item_ZB_GouraudPolygon(int *itemptr) -{ -} - - -void Draw_Item_ZB_2dTexturePolygon(int *itemptr) -{ -} - - -void Draw_Item_ZB_Gouraud2dTexturePolygon(int *itemptr) -{ -} - - - -void Draw_Item_ZB_3dTexturedPolygon(int *itemptr) -{ -} - - - - - - - - - - |