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Atari Duke Nukem 3D 1.01
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@mikrosk
mikrosk committed Nov 1, 2017
1 parent 5391845 commit 7cc324d
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158 changes: 125 additions & 33 deletions engine/atari_driver.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
* atari_driver.c -- system handling for Atari Falcon 060
*
* Copyright (c) 2006 Miro Kropacek; miro.kropacek@gmail.com
*
*
* This file is part of the Atari Duke Nukem 3D project, 3D shooter game by 3D Realms,
* for Atari Falcon 060 computers.
*
Expand Down Expand Up @@ -48,6 +48,8 @@
#include "cache1d.h"

#include "atari_driver.h"
#include "../game/types.h"
#include "../game/keyboard.h"

//#define NO_ATARI_KEYBOARD

Expand Down Expand Up @@ -75,7 +77,6 @@ static char *titleshort = NULL;
unsigned char g_scancodeBuffer[SCANCODE_BUFFER_SIZE];
int g_scancodeBufferHead = 0;
int g_scancodeBufferTail = 0;
int g_scancodeShiftDepressed = 0;
static unsigned char lastkey = 0x00;

long frameplace, imageSize;
Expand All @@ -84,8 +85,46 @@ long bytesperline;
char permanentupdate = 0, vgacompatible;
long buffermode, origbuffermode, linearmode;

SMouse g_mouseInfo;

SMouse g_mouseInfo = { 0 };

static unsigned char scancodeTable[256] =
{
sc_None, sc_Escape, sc_1, sc_2, sc_3, sc_4, sc_5, sc_6,
sc_7, sc_8, sc_9, sc_0, sc_Minus, sc_Equals, sc_BackSpace, sc_Tab,
sc_Q, sc_W, sc_E, sc_R, sc_T, sc_Y, sc_U, sc_I,
sc_O, sc_P, sc_OpenBracket, sc_CloseBracket, sc_Enter, sc_LeftControl, sc_A, sc_S,
sc_D, sc_F, sc_G, sc_H, sc_J, sc_K, sc_L, sc_SemiColon,
sc_Quote, sc_Tilde, sc_LeftShift, sc_BackSlash, sc_Z, sc_X, sc_C,
sc_V, sc_B, sc_N, sc_M, sc_Comma, sc_Period, sc_Slash, sc_RightShift,
sc_None, sc_LeftAlt, sc_Space, sc_CapsLock, sc_F1, sc_F2, sc_F3, sc_F4,

sc_F5, sc_F6, sc_F7, sc_F8, sc_F9, sc_F10, sc_None, sc_None,
sc_Home, sc_UpArrow, sc_None, sc_kpad_Minus, sc_LeftArrow, sc_None, sc_RightArrow,
sc_kpad_Plus, sc_None, sc_DownArrow, sc_None, sc_Insert, sc_Delete, sc_None, sc_None,
sc_BackSlash, sc_F11, sc_F12, sc_None, sc_kpad_Slash, sc_Kpad_Star, sc_Kpad_Star, sc_kpad_7,
sc_kpad_8, sc_kpad_9, sc_kpad_4, sc_kpad_5, sc_kpad_6, sc_kpad_1, sc_kpad_2, sc_kpad_3,
sc_kpad_0, sc_kpad_Period, sc_kpad_Enter, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,

sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,

sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None,
sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None, sc_None
};

/* lousy -ansi flag. :) */
static char *string_dupe(const char *str)
Expand All @@ -99,31 +138,44 @@ static char *string_dupe(const char *str)
void _handle_events(void)
{
unsigned char scancode;

while( g_scancodeBufferHead != g_scancodeBufferTail )
{
scancode = g_scancodeBuffer[g_scancodeBufferTail++];
g_scancodeBufferTail &= SCANCODE_BUFFER_SIZE-1;

lastkey = scancode;
keyhandler();

if( scancodeTable[scancode & 0x7f] != sc_None )
{
lastkey = scancodeTable[scancode & 0x7f];

if( ( scancode & 0x80 ) != 0 )
{
lastkey |= 0x80; /* +128 signifies that the key is released in DOS. */
}

keyhandler();
//printf( "Scancode: %x\n", scancode );
}
else
{
//printf( "Scancode (none): %x\n", scancode );
}
}

mouse_relative_x = g_mouseInfo.mx;
mouse_relative_y = g_mouseInfo.my;

reset_mouse_deltas = TRUE;

g_mouseInfo.mx = 0;
g_mouseInfo.my = 0;

mouse_x += mouse_relative_x;
mouse_y += mouse_relative_y;

if (mouse_x < 0) mouse_x = 0;
if (mouse_x > SCREEN_WIDTH - 1) mouse_x = SCREEN_WIDTH - 1;
if (mouse_y < 0) mouse_y = 0;
if (mouse_y > SCREEN_HEIGHT - 1) mouse_y = SCREEN_HEIGHT - 1;

if( g_mouseInfo.leftButtonDepressed == TRUE )
{
g_mouseInfo.leftButtonDepressed = FALSE;
Expand All @@ -133,7 +185,7 @@ void _handle_events(void)
{
mouse_buttons &= 0xfe;
}

if( g_mouseInfo.rightButtonDepressed == TRUE )
{
g_mouseInfo.rightButtonDepressed = FALSE;
Expand Down Expand Up @@ -195,15 +247,15 @@ void _platform_init(int argc, char **argv, const char *title, const char *icon)

titlelong = string_dupe(title);
titleshort = string_dupe(icon);

// clear scancode buffer
memset( g_scancodeBuffer, 0, SCANCODE_BUFFER_SIZE );

// setup new ikbd handler
#ifndef NO_ATARI_KEYBOARD
atari_ikbd_init();
#endif

if( ATARI_ScreenInit() == FALSE )
{
ATARI_Quit();
Expand Down Expand Up @@ -249,33 +301,33 @@ void setvmode(int mode)
{
printf( "Mode 0x%x not supported on ATARI!\n", mode );
}

return;

} /* setvmode */

int _setgamemode(char davidoption, long daxdim, long daydim)
{
int i, j;

frameplace = (long)g_pChunkyBuffer;
screen = g_pChunkyBuffer;
imageSize = SCREEN_WIDTH * SCREEN_HEIGHT;

xdim = SCREEN_WIDTH;
ydim = SCREEN_HEIGHT;

vgacompatible = 1;
linearmode = 1;
qsetmode = SCREEN_HEIGHT;
activepage = visualpage = 0;
horizlookup = horizlookup2 = NULL;
bytesperline = SCREEN_WIDTH;

// alloc lookup tables
horizlookup = (long*)malloc( ydim*4*sizeof(long) );
horizlookup2 = (long*)malloc( ydim*4*sizeof(long) );

j = 0;
for(i = 0; i <= ydim; i++)
{
Expand All @@ -291,9 +343,9 @@ int _setgamemode(char davidoption, long daxdim, long daydim)
setvlinebpl(bytesperline);

if (searchx < 0) { searchx = halfxdimen; searchy = (ydimen>>1); }

ATARI_ScreenSet();

last_render_ticks = getticks();
return 0;
} /* setgamemode */
Expand Down Expand Up @@ -328,18 +380,27 @@ int VBE_setPalette(long start, long num, char *palettebuffer)

sdlp += 3;
}

ATARI_SetPalette( fmt_swap, start, num );

return TRUE;
} /* VBE_setPalette */

void ATARI_FlushKeyboard( void )
{
while( Cconis() != 0 )
{
Cnecin();
}
}

void ATARI_Quit( void )
{
ATARI_ScreenQuit();
#ifndef NO_ATARI_KEYBOARD
atari_ikbd_shutdown();
#endif
ATARI_FlushKeyboard();
}

void _uninitengine(void)
Expand All @@ -352,7 +413,7 @@ int setupmouse(void)
mouse_x = SCREEN_WIDTH / 2;
mouse_y = SCREEN_HEIGHT / 2;
mouse_relative_x = mouse_relative_y = 0;

return(1);
} /* setupmouse */

Expand Down Expand Up @@ -393,7 +454,7 @@ void _nextpage(void)

//if (qsetmode == 200)
//AMIGA_PutPixels((unsigned char*)frameplace,surface->w,surface->h);

ATARI_ScreenUpdate();

ticks = getticks();
Expand Down Expand Up @@ -446,7 +507,7 @@ void uninittimer(void)

unsigned long getticks(void)
{
return atari_ticks_count;
return totalclock;
} /* getticks */


Expand Down Expand Up @@ -661,7 +722,7 @@ void fillscreen16(long offset, long color, long blocksize)

pixels = get_framebuffer();

if (!pageoffset) {
if (!pageoffset) {
offset = offset << 3;
offset += 640*336;
}
Expand Down Expand Up @@ -712,4 +773,35 @@ void drawpixel16(long offset)
} /* drawpixel16 */


// patch PC mixrates to atari values
int32 PatchAtariMixrate( int32 mixrate )
{
switch( mixrate )
{
case 8000:
return 8195;
break;

case 11000:
return 12292;
break;

case 16000:
return 16390;
break;

case 22000:
return 24585;
break;

case 44000:
return 49170;
break;

default:
return mixrate;
break;
}
}

/* end of atari_driver.c ... */
4 changes: 3 additions & 1 deletion engine/atari_driver.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
#define _IN_ATARI_H_

#include "atari_compat.h"
#include "../game/types.h"

typedef struct
{
Expand All @@ -35,7 +36,6 @@ typedef struct
} SMouse;

extern SMouse g_mouseInfo;
extern int reset_mouse_deltas;

extern void atari_ikbd_init();
extern void atari_ikbd_shutdown();
Expand All @@ -46,4 +46,6 @@ extern unsigned long atari_ticks_count;

extern void ATARI_Quit( void );

extern int32 PatchAtariMixrate( int32 mixrate );

#endif

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