Disable old ent code

2026-05-21 10:18:20 -05:00
parent 6502822583
commit efd31237be
30 changed files with 104 additions and 124 deletions
@@ -0,0 +1,133 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "entitymanager.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+
+componentdefinition_t COMPONENT_DEFINITIONS[] = {
+  [COMPONENT_TYPE_NULL] = { 0 },
+
+  #define X(enm, type, field, iMethod, dMethod) \
+    [COMPONENT_TYPE_##enm] = { \
+      .enumName = #enm, \
+      .name = #field, \
+      .init = iMethod, \
+      .dispose = dMethod \
+    },
+  
+  #include "componentlist.h"
+  #undef X
+
+  [COMPONENT_TYPE_COUNT] = { 0 }
+};
+
+void componentInit(
+  const entityid_t entityId,
+  const componentid_t componentId,
+  const componenttype_t type
+) {
+  assertTrue(entityId < ENTITY_COUNT_MAX, "Entity ID OOB");
+  assertTrue(componentId < ENTITY_COMPONENT_COUNT_MAX, "Component ID OOB");
+  assertTrue(type < COMPONENT_TYPE_COUNT, "Component type OOB");
+  assertTrue(type != COMPONENT_TYPE_NULL, "Cannot initialize null component");
+  
+  componentindex_t index = componentGetIndex(entityId, componentId);
+  component_t *cmp = &ENTITY_MANAGER.components[index];
+  memoryZero(cmp, sizeof(component_t));
+
+  cmp->type = type;
+  if(COMPONENT_DEFINITIONS[type].init) {
+    COMPONENT_DEFINITIONS[type].init(entityId, componentId);
+  }
+}
+
+void * componentGetData(
+  const entityid_t entityId,
+  const componentid_t componentId,
+  const componenttype_t type
+) {
+  assertTrue(entityId < ENTITY_COUNT_MAX, "Entity ID OOB");
+  assertTrue(componentId < ENTITY_COMPONENT_COUNT_MAX, "Component ID OOB");
+  assertTrue(type < COMPONENT_TYPE_COUNT, "Component type OOB");
+  assertTrue(type != COMPONENT_TYPE_NULL, "Cannot get data of null component");
+  
+  componentindex_t index = componentGetIndex(entityId, componentId);
+  component_t *cmp = &ENTITY_MANAGER.components[index];
+  assertTrue(cmp->type == type, "Component type mismatch");
+
+  return &cmp->data;
+}
+
+componentindex_t componentGetIndex(
+  const entityid_t entityId,
+  const componentid_t componentId
+) {
+  assertTrue(entityId < ENTITY_COUNT_MAX, "Entity ID OOB");
+  assertTrue(componentId < ENTITY_COMPONENT_COUNT_MAX, "Component ID OOB");
+  return (entityId * ENTITY_COMPONENT_COUNT_MAX) + componentId;
+}
+
+entityid_t componentGetEntitiesWithComponent(
+  const componenttype_t type,
+  entityid_t outEntities[ENTITY_COUNT_MAX],
+  componentid_t outComponents[ENTITY_COUNT_MAX]
+) {
+  assertTrue(type < COMPONENT_TYPE_COUNT, "Component type OOB");
+  assertTrue(type != COMPONENT_TYPE_NULL, "Cannot check NULL type");
+  assertNotNull(outEntities, "Output entities array cannot be null");
+  assertNotNull(outComponents, "Output components array cannot be null");
+
+  entityid_t written = 0;
+  for(entityid_t i = 0; i < ENTITY_COUNT_MAX; i++) {
+    componentid_t used = ENTITY_MANAGER.entitiesWithComponent[
+      type * ENTITY_COUNT_MAX + i
+    ];
+    if(used == COMPONENT_ID_INVALID) continue;
+    assertTrue(
+      ENTITY_MANAGER.components[componentGetIndex(i, used)].type == type,
+      "Component type mismatch in entitiesWithComponent lookup"
+    );
+    assertTrue(
+      (ENTITY_MANAGER.entities[i].state & ENTITY_STATE_ACTIVE) != 0,
+      "Inactive entity in entitiesWithComponent lookup"
+    );
+    assertTrue(
+      used < ENTITY_COMPONENT_COUNT_MAX,
+      "Component ID OOB in entitiesWithComponent lookup"
+    );
+    assertTrue(
+      componentGetIndex(i,used) < ENTITY_COUNT_MAX*ENTITY_COMPONENT_COUNT_MAX,
+      "Component index OOB in entitiesWithComponent lookup"
+    );
+    assertTrue(
+      ENTITY_MANAGER.components[componentGetIndex(i,used)].type == type,
+      "Component type mismatch in entitiesWithComponent lookup"
+    );
+    outComponents[written] = used;
+    outEntities[written++] = i;
+  }
+  return written;
+}
+
+void componentDispose(
+  const entityid_t entityId,
+  const componentid_t componentId
+) {
+  assertTrue(entityId < ENTITY_COUNT_MAX, "Entity ID OOB");
+  assertTrue(componentId < ENTITY_COMPONENT_COUNT_MAX, "Component ID OOB");
+  
+  componentindex_t index = componentGetIndex(entityId, componentId);
+  component_t *cmp = &ENTITY_MANAGER.components[index];
+  if(cmp->type == COMPONENT_TYPE_NULL) return;
+
+  if(COMPONENT_DEFINITIONS[cmp->type].dispose) {
+    COMPONENT_DEFINITIONS[cmp->type].dispose(entityId, componentId);
+  }
+  
+  cmp->type = COMPONENT_TYPE_NULL;
+}