ECS rendering

src/display/mesh/CMakeLists.txt

@@ -8,4 +8,5 @@ target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     mesh.c
     quad.c
+    meshrenderer.c
 )

src/display/mesh/meshrenderer.c

@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "meshrenderer.h"
+
+meshrenderer_t MESH_RENDERER_DATA[ECS_ENTITY_COUNT_MAX] = { 0 };
+ecscomponent_t MESH_RENDERER_COMPONENT = ecsComponentInit(
+  MESH_RENDERER_DATA,
+  ((ecscomponentcallbacks_t){
+    .init = NULL,
+    .entityAdd = NULL,
+    .entityRemove = NULL
+  })
+);
+
+void meshRendererDraw(const ecsid_t id) {
+  if(!meshRendererHas(id)) return;
+
+  meshrenderer_t *renderer = &MESH_RENDERER_DATA[id];
+  if(!renderer->mesh) return;
+  meshDraw(renderer->mesh, 0, -1);
+}

src/display/mesh/meshrenderer.h

@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "ecs/ecscomponent.h"
+#include "display/mesh/mesh.h"
+
+typedef struct {
+  mesh_t *mesh;
+} meshrenderer_t;
+
+extern meshrenderer_t MESH_RENDERER_DATA[ECS_ENTITY_COUNT_MAX];
+extern ecscomponent_t MESH_RENDERER_COMPONENT;
+
+#define meshRendererAdd(id) \
+  ((meshrenderer_t*)ecsComponentDataAdd(&MESH_RENDERER_COMPONENT, id))
+#define meshRendererGet(id) \
+  ((meshrenderer_t*)ecsComponentDataGet(&MESH_RENDERER_COMPONENT, id))
+#define meshRendererHas(id) \
+  (ecsComponentDataHas(&MESH_RENDERER_COMPONENT, id))
+#define meshRendererRemove(id) \
+  ecsComponentDataRemove(&MESH_RENDERER_COMPONENT, id)
+#define meshRendererGetAll(out) \
+  ecsComponentGetAll(&MESH_RENDERER_COMPONENT, out)
+
+/**
+ * Draw the mesh for the given entity.
+ * 
+ * @param id The ID of the entity with the mesh renderer component.
+ */
+void meshRendererDraw(const ecsid_t id);