41 lines
994 B
C
41 lines
994 B
C
#include <element.h>
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int update_WIRE(UPDATE_FUNC_ARGS) {
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int s,r,rx,ry,count;
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/*
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0: wire
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1: spark head
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2: spark tail
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tmp is previous state, ctype is current state
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*/
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//parts[i].tmp=parts[i].ctype;
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parts[i].ctype=0;
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if(parts[i].tmp==1)
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{
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parts[i].ctype=2;
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}
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if(parts[i].tmp==2)
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{
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parts[i].ctype=0;
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}
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count=0;
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for(rx=-1; rx<2; rx++)
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for(ry=-1; ry<2; ry++)
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{
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if(x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if (!r)
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continue;
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if((r&0xFF)==PT_SPRK && parts[r>>8].ctype==PT_PSCN){parts[i].ctype=1; parts[r>>8].life=0; return 0;}
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else if((r&0xFF)==PT_NSCN && parts[i].tmp==1){create_part(-1, x+rx, y+ry, PT_SPRK);}
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else if((r&0xFF)==PT_WIRE && parts[r>>8].tmp==1 && !parts[i].tmp){count++;}
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}
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}
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if(count==1 || count==2)
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parts[i].ctype=1;
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return 0;
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}
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