80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
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#include "outdrivers.h"
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#include "notefinder.h"
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#include <stdio.h>
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#include "parameters.h"
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#include "color.h"
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#include "DrawFunctions.h"
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//Uses: note_amplitudes2[note] for how many lights to use.
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//Uses: note_amplitudes_out[note] for how bright it should be.
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#define MAX_LEDS_PER_NOTE 512
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extern short screenx, screeny;
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struct DPODriver
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{
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int leds;
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float pie_min;
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float pie_max;
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};
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static void DPOUpdate(void * id, struct NoteFinder*nf)
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{
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struct DPODriver * d = (struct DPODriver*)id;
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int i;
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float cw = ((float)(screenx)) / 2.0;
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float ch = ((float)(screeny)) / 2.0;
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RDPoint pts[4];
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float sizeA = sqrtf( screenx * screenx + screeny * screeny ) * d->pie_min;
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float sizeB = sqrtf( screenx * screenx + screeny * screeny ) * d->pie_max;
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for( i = 0; i < d->leds; i++ )
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{
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float angA = 6.28318 * (float)i / (float)d->leds;
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float angB = 6.28318 * (float)(i+1) / (float)d->leds + .002;
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pts[0].x = cw + cos(angA) * sizeA;
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pts[0].y = ch + sin(angA) * sizeA;
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pts[1].x = cw + cos(angA) * sizeB;
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pts[1].y = ch + sin(angA) * sizeB;
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pts[2].x = cw + cos(angB) * sizeB;
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pts[2].y = ch + sin(angB) * sizeB;
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pts[3].x = cw + cos(angB) * sizeA;
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pts[3].y = ch + sin(angB) * sizeA;
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CNFGColor( OutLEDs[i*3+0] | (OutLEDs[i*3+1] <<8)|(OutLEDs[i*3+2] <<16) );
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CNFGTackPoly( pts, 4 );
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}
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CNFGColor( 0xffffff );
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}
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static void DPOParams(void * id )
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{
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struct DPODriver * d = (struct DPODriver*)id;
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d->leds = 9; RegisterValue( "leds", PINT, &d->leds, sizeof( d->leds ) );
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d->pie_min = .18; RegisterValue( "pie_min", PFLOAT, &d->pie_min, sizeof( d->pie_min ) );
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d->pie_max = .3; RegisterValue( "pie_max", PFLOAT, &d->pie_max, sizeof( d->pie_max ) );
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}
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static struct DriverInstances * DisplayPie(const char * parameters)
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{
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struct DriverInstances * ret = malloc( sizeof( struct DriverInstances ) );
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struct DPODriver * d = ret->id = malloc( sizeof( struct DPODriver ) );
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memset( d, 0, sizeof( struct DPODriver ) );
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ret->Func = DPOUpdate;
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ret->Params = DPOParams;
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DPOParams( d );
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return ret;
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}
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REGISTER_OUT_DRIVER(DisplayPie);
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