ref: 75f9f90edfa9cdb2804dce926a2a1dabb27d5a88
dir: /app/path/map.c/
#include <u.h> #include <libc.h> #include "asif.h" #include "path.h" #include "dat.h" #include "fns.h" int movemode; int (*pathfn)(Node*, Node*); Vertex n2s(Node *n) { Vertex v; v = n2p(n); v.x = v.x * nodesz + 1; v.y = v.y * nodesz + 1; return v; } int setparm(int mmode, int alg, int dist) { switch(mmode){ case Move8: /* wet floor */ case Move4: movemode = mmode; break; default: sysfatal("setparm: unknown move mode %d", mmode); } switch(alg){ case Pa∗: pathfn = a∗findpath; break; case Pbfs: pathfn = bfsfindpath; break; case Pdijkstra: pathfn = dijkstrafindpath; break; default: sysfatal("setparm: unknown algo type %d", alg); } switch(dist){ case Deuclid: distfn = eucdist; break; case Dmanhattan: distfn = manhdist; break; case Doctile: distfn = octdist; break; default: sysfatal("setparm: unknown distance function %d", dist); } clearmap(); return 0; } void clearmap(void) { start = goal = nil; if(grid == nil || doprof) return; cleargrid(); } int initmap(char *scen, char *res, Vertex v, int m, int a, int d) { setparm(m, a, d); if(scen == nil) initgrid(v.x, v.y); else if(readscen(scen, res, &v, &m, &a, &d) < 0) sysfatal("readscen: %r"); return 0; }