︙ | | | ︙ | |
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
|
}
static int move_dir(Uint32 from,Uint32 obj,Uint32 dir) {
// This function is complicated, and there may be mistakes.
Object*o;
Object*oE;
Object*oF;
Uint32 objE,objF,objLF,objRF;
Uint32 hit=0;
Uint32 vol;
Value v;
if(StackProtection()) Throw("Call stack overflow during movement");
if(obj==VOIDLINK) return 0;
o=objects[obj];
o->dir=dir=resolve_dir(obj,dir);
if(o->weight>o->inertia) goto fail;
o->inertia-=o->weight;
restart:
if(hit&0x100000) dir=o->dir;
objF=obj_dir(obj,dir);
if(objF==VOIDLINK) goto fail;
if(hit) hit=0x800;
oF=objects[objF];
objLF=obj_dir(obj,(dir+1)&7);
objRF=obj_dir(obj,(dir-1)&7);
if(height_at(oF->x,oF->y)<=o->climb) hit|=0x200000;
if(dir&1) {
// Diagonal movement
hit|=0x80000;
vol=o->volume;
if(objLF!=VOIDLINK) vol+=volume_at(objects[objLF]->x,objects[objLF]->y);
if(objRF!=VOIDLINK) vol+=volume_at(objects[objRF]->x,objects[objRF]->y);
if(vol<=max_volume) {
objE=objF;
while(objE!=VOIDLINK) {
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=0xFC287000;
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(o->x),NVALUE(o->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto fail;
}
}
objE=obj_below(objE);
}
if((hit&0x200000) && !(hit&0x402008)) {
if(hit&0x20000) goto success;
|
>
|
|
|
|
|
|
>
|
|
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
|
}
static int move_dir(Uint32 from,Uint32 obj,Uint32 dir) {
// This function is complicated, and there may be mistakes.
Object*o;
Object*oE;
Object*oF;
Object*oW;
Uint32 objE,objF,objLF,objRF,objW;
Uint32 hit=0;
Uint32 vol;
Value v;
if(StackProtection()) Throw("Call stack overflow during movement");
if(obj==VOIDLINK) return 0;
oW=o=objects[objW=obj];
o->dir=dir=resolve_dir(obj,dir);
if(o->weight>o->inertia) goto fail;
o->inertia-=o->weight;
restart:
if(hit&0x100000) dir=o->dir;
objF=obj_dir(objW,dir);
if(objF==VOIDLINK) goto fail;
if(hit) hit=0x800|(hit&0x10000000);
oF=objects[objF];
objLF=obj_dir(obj,(dir+1)&7);
objRF=obj_dir(obj,(dir-1)&7);
if(height_at(oF->x,oF->y)<=o->climb) hit|=0x200000;
if(dir&1) {
// Diagonal movement
hit|=0x80000;
vol=o->volume;
if(objLF!=VOIDLINK) vol+=volume_at(objects[objLF]->x,objects[objLF]->y);
if(objRF!=VOIDLINK) vol+=volume_at(objects[objRF]->x,objects[objRF]->y);
if(vol<=max_volume) {
objE=objF;
while(objE!=VOIDLINK) {
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=0xFC287000;
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(oW->x),NVALUE(oW->y),NVALUE(hit));
if(v.t>TY_MAXTYPE) goto warp;
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
if(hit&8) goto fail;
}
}
objE=obj_below(objE);
}
if((hit&0x200000) && !(hit&0x402008)) {
if(hit&0x20000) goto success;
|
︙ | | | ︙ | |
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
|
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(o->x),NVALUE(o->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
}
if(hit&0x108) goto fail;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
if(oE->sharp[(dir^4)>>1]>o->hard[dir>>1] && !v_bool(destroy(objE,obj,1))) hit|=0x4C;
}
|
|
|
>
>
>
>
>
>
>
|
|
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
|
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(oW->x),NVALUE(oW->y),NVALUE(hit));
if(v.t>TY_MAXTYPE) {
warp:
oW=objects[objW=v_object(v)];
dir=oW->dir;
hit=0x10000000;
goto restart;
}
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
}
if(hit&0x108) goto fail;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
if(oE->sharp[(dir^4)>>1]>o->hard[dir>>1] && !v_bool(destroy(objE,obj,1))) hit|=0x4C;
}
|
︙ | | | ︙ | |
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
|
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto otherside;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(o->x),NVALUE(o->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
}
if(hit&0x108) goto otherside;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
if(oE->sharp[(dir^4)>>1]>o->hard[dir>>1] && !v_bool(destroy(objE,obj,1))) hit|=0x4C;
}
|
|
|
|
|
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
|
if(o->oflags&(OF_DESTROYED|OF_VISUALONLY)) break;
oE=objects[objE];
if(oE->height>0) {
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
if(hit&8) goto otherside;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(oW->x),NVALUE(oW->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1L);
}
if(hit&0x108) goto otherside;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
if(oE->sharp[(dir^4)>>1]>o->hard[dir>>1] && !v_bool(destroy(objE,obj,1))) hit|=0x4C;
}
|
︙ | | | ︙ | |
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
|
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(o->x),NVALUE(o->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
}
if(hit&0x108) goto fail;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
|
|
|
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
|
hit&=~7;
// HIT/HITBY messages
v=send_message(objE,obj,MSG_HIT,NVALUE(oE->x),NVALUE(oE->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[o->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
if(hit&8) goto fail;
if(!(hit&0x11)) {
v=send_message(obj,objE,MSG_HITBY,NVALUE(oW->x),NVALUE(oW->y),NVALUE(hit));
if(v.t) Throw("Type mismatch in HIT/HITBY");
hit|=v.u&(classes[oE->class]->cflags&CF_COMPATIBLE?0xC0098F7F:-1);
}
if(hit&0x108) goto fail;
// Hardness/sharpness
if(!(hit&0x22)) {
if(o->sharp[dir>>1]>oE->hard[(dir^4)>>1] && !v_bool(destroy(obj,objE,2))) hit|=0x8004;
|
︙ | | | ︙ | |
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
|
if((hit&0x1000000) && !(hit&0x400080)) {
if(hit&0x20000) goto success;
if(move_to(from,obj,objects[objLF]->x,objects[objLF]->y)) goto success;
}
}
}
fail: if(hit&0x1000) goto success; o->inertia=0; return 0;
success: if(!(hit&0x4000)) o->oflags|=OF_MOVED; return 1;
}
static int jump_to(Uint32 from,Uint32 n,Uint32 x,Uint32 y) {
int xx,yy;
if(n==VOIDLINK) return 0;
xx=objects[n]->x;
yy=objects[n]->y;
|
|
|
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
|
if((hit&0x1000000) && !(hit&0x400080)) {
if(hit&0x20000) goto success;
if(move_to(from,obj,objects[objLF]->x,objects[objLF]->y)) goto success;
}
}
}
fail: if(hit&0x1000) goto success; o->inertia=0; return 0;
success: if(!(hit&0x4000)) o->oflags|=OF_MOVED; if(hit&0x10000000) o->dir=dir; return 1;
}
static int jump_to(Uint32 from,Uint32 n,Uint32 x,Uint32 y) {
int xx,yy;
if(n==VOIDLINK) return 0;
xx=objects[n]->x;
yy=objects[n]->y;
|
︙ | | | ︙ | |