entity signals

LucAlexander · Oct 28, 2022 · 9dfabc8 · 9dfabc8
1 parent e806732
commit 9dfabc8
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Showing 2 changed files with 35 additions and 0 deletions.
diff --git a/entities.c b/entities.c
@@ -11,12 +11,14 @@
 #include "systems.h"
 
 VECTOR_SOURCE(su32_t, uint32_t)
+VECTOR_SOURCE(vf32_t, float)
 HASHMAP_SOURCE(mu32u32_t, uint32_t, uint32_t, hashI)
 
 void ecs_init(entity_data* d, uint32_t n, ...){
  d->entities = 0;
  d->size = 0;
  d->stack = su32_tInit();
+ d->signals = vf32_tInit();
  va_list v;
  va_start(v, n);
  uint32_t i, offset = 0;
@@ -94,6 +96,7 @@ void ecs_clear(entity_data* d){
 
 void ecs_deinit(entity_data* d){
  su32_tFree(&d->stack);
+ vf32_tFree(&d->signals);
  free(d->masks);
  free(d->data);
  free(d->flags);
@@ -254,3 +257,28 @@ uint32_t entity_furthest_n(entity_data* d, v2 pos, uint8_t exact, uint32_t n, ui
 void entity_add_flag(entity_data* d, uint32_t eid, uint32_t flag){
  d->flags[eid] = bit_on(d->flags[eid], flag);
 }
+
+void entity_create_signal(entity_data* d, uint32_t signal){
+ if (signal != d->signals.size) return;
+ vf32_tPushBack(&d->signals, 0);
+}
+
+void entity_set_signal(entity_data* d, uint32_t signal, float value){
+ if (signal >= d->signals.size) return;
+ d->signals.data[signal] = value;
+}
+
+float entity_signal_check(entity_data* d, uint32_t signal){
+ if (signal >= d->signals.size) return 0;
+ return d->signals.data[signal];
+}
+
+float entity_receive_signal(entity_data* d, uint32_t signal){
+ if (signal >= d->signals.size) return 0;
+ float v = d->signals.data[signal];
+ if (v!=0){
+ d->signals.data[signal] = 0;
+ }
+ return v;
+}
+
diff --git a/entities.h b/entities.h
@@ -8,6 +8,7 @@
 #define COMPONENT_LIMIT 64
 
 VECTOR(su32_t, uint32_t)
+VECTOR(vf32_t, float)
 HASHMAP(mu32u32_t, uint32_t, uint32_t)
 
 struct v2;
@@ -21,6 +22,7 @@ typedef struct entity_data{
  void* data;
  uint32_t entities;
  su32_t stack;
+ vf32_t signals;
  uint64_t* masks;
  uint64_t* flags;
  uint16_t* layers;
@@ -57,4 +59,9 @@ void entity_destroy(entity_data* d, uint32_t eid);
 
 uint8_t entity_exact_mask_logic(entity_data* d, uint32_t eid, uint8_t exact, uint64_t reference, uint64_t candidate);
 
+void entity_create_signal(entity_data* d, uint32_t signal);
+void entity_set_signal(entity_data* d, uint32_t signal, float value);
+float entity_signal_check(entity_data* d, uint32_t signal);
+float entity_receive_signal(entity_data* d, uint32_t signal);
+
 #endif