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 +1,110 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "entitybase.h"
+
+#define X(enumName, type, field, init, dispose) \
+  // do nothing
+#include "componentlist.h"
+#undef X
+
+typedef union {
+  #define X(enumName, type, field, init, dispose) type field;
+  #include "componentlist.h"
+  #undef X
+} componentdata_t;
+
+typedef struct {
+  const char_t *enumName;
+  const char_t *name;
+  void (*init)(const entityid_t, const componentid_t);
+  void (*dispose)(const entityid_t, const componentid_t);
+} componentdefinition_t;
+
+typedef enum {
+  COMPONENT_TYPE_NULL,
+
+  #define X(enumName, type, field, init, dispose) \
+    COMPONENT_TYPE_##enumName,
+  #include "componentlist.h"
+  #undef X
+
+  COMPONENT_TYPE_COUNT
+} componenttype_t;
+
+typedef struct {
+  componenttype_t type;
+  componentdata_t data;
+} component_t;
+
+extern componentdefinition_t COMPONENT_DEFINITIONS[];
+
+/**
+ * Initializes a component of the given type for the entity with component ID.
+ * 
+ * @param entityId The entity ID.
+ * @param componentId The component ID.
+ * @param type The type of the component to initialize.
+ */
+void componentInit(
+  const entityid_t entityId,
+  const componentid_t componentId,
+  const componenttype_t type
+);
+
+/**
+ * Gets the pointer to the data of a component for the entity with component ID.
+ * 
+ * @param entityId The entity ID.
+ * @param componentId The component ID.
+ * @param type The type of the component to get, only used for assertion.
+ * @return A pointer to the component data.
+ */
+void * componentGetData(
+  const entityid_t entityId,
+  const componentid_t componentId,
+  const componenttype_t type
+);
+
+/**
+ * Gets the index of a component for the entity with component ID.
+ * 
+ * @param entityId The entity ID.
+ * @param componentId The component ID.
+ * @return The index of the component in the component array.
+ */
+componentindex_t componentGetIndex(
+  const entityid_t entityId,
+  const componentid_t componentId
+);
+
+/**
+ * Gets the entity IDs of all entities with a component of the given type.
+ * 
+ * @param type The type of the component to get entities for.
+ * @param outEntities An array to write the entity IDs to, must be at least
+ * ENTITY_COUNT_MAX in size.
+ * @param outComponents An array to write the component IDs to.
+ * @return The number of entity IDs written to outEntities.
+ */
+entityid_t componentGetEntitiesWithComponent(
+  const componenttype_t type,
+  entityid_t outEntities[ENTITY_COUNT_MAX],
+  componentid_t outComponents[ENTITY_COUNT_MAX]
+);
+
+/**
+ * Disposes of a component for the entity with component ID.
+ * 
+ * @param entityId The entity ID.
+ * @param componentId The component ID.
+ */
+void componentDispose(
+  const entityid_t entityId,
+  const componentid_t componentId
+);