78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
#include "pad.h"
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void get_digital_direction( Controller_Data *c, int buttondata ) // get analog stick values
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{
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int i;
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i = ~(buttondata);
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if( i & 0x80 )
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c->xpos -= 1;
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if( i & 0x20 )
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c->xpos += 1;
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if( i & 0x40 )
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c->ypos += 1;
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if( i & 0x10 )
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c->ypos -= 1;
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}
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void read_controller( Controller_Data *c, unsigned char *buf, int port ) // get the raw values from controller
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{
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register int mouse_x, mouse_y, x;
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register Gun_Position *g;
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c->status = buf[0]; // Copy over raw controller data
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c->type = buf[1];
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c->button1 = buf[2];
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c->button2 = buf[3];
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c->analog0 = buf[4];
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c->analog1 = buf[5];
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c->analog2 = buf[6];
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c->analog3 = buf[7];
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if( buf[0] == 0xff ) // If controller returns BAD status then bail on it.
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{
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c->type = 0;
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return;
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}
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// Look at the controller type code & process controller data as indicated
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switch( c->type )
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{
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case 0x12: // Sony Mouse
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mouse_x = buf[4];
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mouse_y = buf[5];
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if( mouse_x & 0x80 )
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mouse_x |= 0xffffff80;
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if( mouse_y & 0x80 )
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mouse_y |= 0xffffff80;
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c->xpos += mouse_x;
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c->ypos += mouse_y;
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break;
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case 0x23: // Namco negCon
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// Steering wheel
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// Sankyo Pachinko controler
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get_digital_direction( c, buf[2] );
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break;
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case 0x53: // Analog 2-stick
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get_digital_direction( c, buf[2] );
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break;
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case 0x41: // Standard Sony PAD controller
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get_digital_direction( c, buf[2] );
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break;
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default: // If don't know what it is, treat it like standard controller
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get_digital_direction( c, buf[2] );
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break;
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}
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}
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