59 |
|
e_ies(), /* IES luminaire file */ |
60 |
|
e_include(), /* include file */ |
61 |
|
e_sph(), /* sphere */ |
62 |
+ |
e_cmix(), /* color mixtures */ |
63 |
+ |
e_cspec(), /* color spectra */ |
64 |
|
e_cyl(), /* cylinder */ |
65 |
|
e_cone(), /* cone */ |
66 |
+ |
e_prism(), /* prism */ |
67 |
|
e_ring(), /* ring */ |
68 |
|
e_torus(); /* torus */ |
69 |
|
|
106 |
|
ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
107 |
|
} else |
108 |
|
uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
109 |
+ |
if (mg_ehand[MG_E_PRISM] == NULL) { |
110 |
+ |
mg_ehand[MG_E_PRISM] = e_prism; |
111 |
+ |
ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
112 |
+ |
} else |
113 |
+ |
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
114 |
|
if (mg_ehand[MG_E_TORUS] == NULL) { |
115 |
|
mg_ehand[MG_E_TORUS] = e_torus; |
116 |
|
ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
117 |
|
} else |
118 |
|
uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
119 |
+ |
if (mg_ehand[MG_E_COLOR] != NULL) { |
120 |
+ |
if (mg_ehand[MG_E_CMIX] == NULL) { |
121 |
+ |
mg_ehand[MG_E_CMIX] = e_cmix; |
122 |
+ |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
123 |
+ |
} |
124 |
+ |
if (mg_ehand[MG_E_CSPEC] == NULL) { |
125 |
+ |
mg_ehand[MG_E_CSPEC] = e_cspec; |
126 |
+ |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
127 |
+ |
} |
128 |
+ |
} |
129 |
|
/* check for consistency */ |
130 |
|
if (mg_ehand[MG_E_FACE] != NULL) |
131 |
|
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
132 |
< |
if (mg_ehand[MG_E_CXY] != NULL) |
132 |
> |
if (mg_ehand[MG_E_CXY] != NULL || mg_ehand[MG_E_CSPEC] != NULL || |
133 |
> |
mg_ehand[MG_E_CMIX] != NULL) |
134 |
|
uneed |= 1<<MG_E_COLOR; |
135 |
|
if (mg_ehand[MG_E_RD] != NULL || mg_ehand[MG_E_TD] != NULL || |
136 |
|
mg_ehand[MG_E_ED] != NULL || |
150 |
|
e_supp[MG_E_POINT] = c_hvertex; |
151 |
|
if (ineed & 1<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
152 |
|
e_supp[MG_E_NORMAL] = c_hvertex; |
153 |
+ |
if (ineed & 1<<MG_E_COLOR && mg_ehand[MG_E_COLOR] != c_hcolor) |
154 |
+ |
e_supp[MG_E_COLOR] = c_hcolor; |
155 |
+ |
if (ineed & 1<<MG_E_CXY && mg_ehand[MG_E_CXY] != c_hcolor) |
156 |
+ |
e_supp[MG_E_CXY] = c_hcolor; |
157 |
+ |
if (ineed & 1<<MG_E_CSPEC && mg_ehand[MG_E_CSPEC] != c_hcolor) |
158 |
+ |
e_supp[MG_E_CSPEC] = c_hcolor; |
159 |
+ |
if (ineed & 1<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
160 |
+ |
e_supp[MG_E_CMIX] = c_hcolor; |
161 |
|
/* discard remaining entities */ |
162 |
|
for (i = 0; i < MG_NENTITIES; i++) |
163 |
|
if (mg_ehand[i] == NULL) |
892 |
|
if ((rv = handle_it(MG_E_FACE, 5, fent)) != MG_OK) |
893 |
|
return(rv); |
894 |
|
} |
895 |
+ |
} |
896 |
+ |
return(MG_OK); |
897 |
+ |
} |
898 |
+ |
|
899 |
+ |
|
900 |
+ |
static int |
901 |
+ |
e_prism(ac, av) /* turn a prism into polygons */ |
902 |
+ |
int ac; |
903 |
+ |
char **av; |
904 |
+ |
{ |
905 |
+ |
static char p[3][24]; |
906 |
+ |
static char *vent[4] = {mg_ename[MG_E_VERTEX],NULL,"="}; |
907 |
+ |
static char *pent[5] = {mg_ename[MG_E_POINT],p[0],p[1],p[2]}; |
908 |
+ |
char *newav[MG_MAXARGC], nvn[MG_MAXARGC-1][8]; |
909 |
+ |
double length; |
910 |
+ |
FVECT v1, v2, v3, norm; |
911 |
+ |
register C_VERTEX *cv; |
912 |
+ |
C_VERTEX *cv0; |
913 |
+ |
int rv; |
914 |
+ |
register int i, j; |
915 |
+ |
|
916 |
+ |
if (ac < 5) |
917 |
+ |
return(MG_EARGC); |
918 |
+ |
if (!isflt(av[ac-1])) |
919 |
+ |
return(MG_ETYPE); |
920 |
+ |
length = atof(av[ac-1]); |
921 |
+ |
if (length <= FTINY && length >= -FTINY) |
922 |
+ |
return(MG_EILL); |
923 |
+ |
/* do bottom face */ |
924 |
+ |
newav[0] = mg_ename[MG_E_FACE]; |
925 |
+ |
for (i = 1; i < ac-1; i++) |
926 |
+ |
newav[i] = av[i]; |
927 |
+ |
newav[i] = NULL; |
928 |
+ |
if ((rv = handle_it(MG_E_FACE, i, newav)) != MG_OK) |
929 |
+ |
return(rv); |
930 |
+ |
/* compute face normal */ |
931 |
+ |
if ((cv0 = c_getvert(av[1])) == NULL) |
932 |
+ |
return(MG_EUNDEF); |
933 |
+ |
norm[0] = norm[1] = norm[2] = 0.; |
934 |
+ |
v1[0] = v1[1] = v1[2] = 0.; |
935 |
+ |
for (i = 2; i < ac-1; i++) { |
936 |
+ |
if ((cv = c_getvert(av[i])) == NULL) |
937 |
+ |
return(MG_EUNDEF); |
938 |
+ |
v2[0] = cv->p[0] - cv0->p[0]; |
939 |
+ |
v2[1] = cv->p[1] - cv0->p[1]; |
940 |
+ |
v2[2] = cv->p[2] - cv0->p[2]; |
941 |
+ |
fcross(v3, v1, v2); |
942 |
+ |
norm[0] += v3[0]; |
943 |
+ |
norm[1] += v3[1]; |
944 |
+ |
norm[2] += v3[2]; |
945 |
+ |
VCOPY(v1, v2); |
946 |
+ |
} |
947 |
+ |
if (normalize(norm) == 0.) |
948 |
+ |
return(MG_EILL); |
949 |
+ |
/* create moved vertices */ |
950 |
+ |
for (i = 1; i < ac-1; i++) { |
951 |
+ |
sprintf(nvn[i-1], "_pv%d", i); |
952 |
+ |
vent[1] = nvn[i-1]; |
953 |
+ |
if ((rv = handle_it(MG_E_VERTEX, 3, vent)) != MG_OK) |
954 |
+ |
return(rv); |
955 |
+ |
cv = c_getvert(av[i]); /* checked above */ |
956 |
+ |
for (j = 0; j < 3; j++) |
957 |
+ |
sprintf(p[j], FLTFMT, cv->p[j] - length*norm[j]); |
958 |
+ |
if ((rv = handle_it(MG_E_POINT, 4, pent)) != MG_OK) |
959 |
+ |
return(rv); |
960 |
+ |
newav[ac-1-i] = nvn[i-1]; /* reverse */ |
961 |
+ |
} |
962 |
+ |
/* do top face */ |
963 |
+ |
if ((rv = handle_it(MG_E_FACE, ac-1, newav)) != MG_OK) |
964 |
+ |
return(rv); |
965 |
+ |
/* do the side faces */ |
966 |
+ |
newav[5] = NULL; |
967 |
+ |
newav[3] = av[ac-2]; |
968 |
+ |
newav[4] = nvn[ac-3]; |
969 |
+ |
for (i = 1; i < ac-1; i++) { |
970 |
+ |
newav[1] = nvn[i-1]; |
971 |
+ |
newav[2] = av[i]; |
972 |
+ |
if ((rv = handle_it(MG_E_FACE, 5, newav)) != MG_OK) |
973 |
+ |
return(rv); |
974 |
+ |
newav[3] = newav[2]; |
975 |
+ |
newav[4] = newav[1]; |
976 |
+ |
} |
977 |
+ |
return(MG_OK); |
978 |
+ |
} |
979 |
+ |
|
980 |
+ |
|
981 |
+ |
static int |
982 |
+ |
e_cspec(ac, av) /* handle spectral color */ |
983 |
+ |
int ac; |
984 |
+ |
char **av; |
985 |
+ |
{ |
986 |
+ |
static char xbuf[24], ybuf[24]; |
987 |
+ |
static char *ccom[4] = {mg_ename[MG_E_CXY], xbuf, ybuf}; |
988 |
+ |
int rv; |
989 |
+ |
|
990 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
991 |
+ |
/* if it's really their handler, use it */ |
992 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
993 |
+ |
sprintf(xbuf, "%.4f", c_ccolor->cx); |
994 |
+ |
sprintf(ybuf, "%.4f", c_ccolor->cy); |
995 |
+ |
if ((rv = handle_it(MG_E_CXY, 3, ccom)) != MG_OK) |
996 |
+ |
return(rv); |
997 |
+ |
} |
998 |
+ |
return(MG_OK); |
999 |
+ |
} |
1000 |
+ |
|
1001 |
+ |
|
1002 |
+ |
static int |
1003 |
+ |
e_cmix(ac, av) /* handle mixing of colors */ |
1004 |
+ |
int ac; |
1005 |
+ |
char **av; |
1006 |
+ |
{ |
1007 |
+ |
char wl[2][6], vbuf[C_CNSS][24]; |
1008 |
+ |
char *newav[C_CNSS+4]; |
1009 |
+ |
int rv; |
1010 |
+ |
register int i; |
1011 |
+ |
/* |
1012 |
+ |
* Contorted logic works as follows: |
1013 |
+ |
* 1. the colors are already mixed in c_hcolor() support function |
1014 |
+ |
* 2. if we would handle a spectral result, make sure it's not |
1015 |
+ |
* 3. if c_hcolor() would handle a spectral result, don't bother |
1016 |
+ |
* 4. otherwise, make cspec entity and pass it to their handler |
1017 |
+ |
* 5. if we have only xy results, handle it as c_spec() would |
1018 |
+ |
*/ |
1019 |
+ |
if (mg_ehand[MG_E_CSPEC] == e_cspec) |
1020 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
1021 |
+ |
else if (c_ccolor->flags & C_CDSPEC) { |
1022 |
+ |
if (mg_ehand[MG_E_CSPEC] != c_hcolor) { |
1023 |
+ |
sprintf(wl[0], "%d", C_CMINWL); |
1024 |
+ |
sprintf(wl[1], "%d", C_CMAXWL); |
1025 |
+ |
newav[0] = mg_ename[MG_E_CSPEC]; |
1026 |
+ |
newav[1] = wl[0]; |
1027 |
+ |
newav[2] = wl[1]; |
1028 |
+ |
for (i = 0; i < C_CNSS; i++) { |
1029 |
+ |
sprintf(vbuf[i], "%.6f", |
1030 |
+ |
(double)c_ccolor->ssamp[i] / |
1031 |
+ |
c_ccolor->ssum); |
1032 |
+ |
newav[i+3] = vbuf[i]; |
1033 |
+ |
} |
1034 |
+ |
newav[C_CNSS+3] = NULL; |
1035 |
+ |
if ((rv = handle_it(MG_E_CSPEC, C_CNSS+3, newav)) != MG_OK) |
1036 |
+ |
return(rv); |
1037 |
+ |
} |
1038 |
+ |
return(MG_OK); |
1039 |
+ |
} |
1040 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
1041 |
+ |
sprintf(vbuf[0], "%.4f", c_ccolor->cx); |
1042 |
+ |
sprintf(vbuf[1], "%.4f", c_ccolor->cy); |
1043 |
+ |
newav[0] = mg_ename[MG_E_CXY]; |
1044 |
+ |
newav[1] = vbuf[0]; |
1045 |
+ |
newav[2] = vbuf[1]; |
1046 |
+ |
newav[3] = NULL; |
1047 |
+ |
if ((rv = handle_it(MG_E_CXY, 3, newav)) != MG_OK) |
1048 |
+ |
return(rv); |
1049 |
|
} |
1050 |
|
return(MG_OK); |
1051 |
|
} |