1 files changed, 55 insertions, 0 deletions
diff --git a/include/utils.h b/include/utils.h
new file mode 100644
index 0000000..59c1bc4
--- /dev/null
+++ b/include/utils.h
@@ -0,0 +1,55 @@
+#ifndef UTILS_H_
+#define UTILS_H_
+
+#include <stdbool.h>
+#include "game.h"
+
+static inline bool EntityAllocated(const Entity* e) {
+    return (e->flags & ENTITY_ALLOCATED);
+}
+
+static inline bool PhysicsEnabled(const Entity* e) {
+    return EntityAllocated(e) && (e->flags & ENTITY_PHYSICS_ACTIVE);
+}
+
+static inline bool SameEntity(const Entity* a, const Entity* b) {
+    return a->id == b->id;
+}
+
+static inline void AddSpriteToEntity(Entity* e, Sprite s) {
+    if (e->numSprites < MAX_SPRITE_COUNT) {
+        e->sprites[e->numSprites++] = s;
+    }
+}
+
+static inline bool IsAnimated(const Sprite* s) {
+  return s->numAnimations > 0;
+}
+
+static inline bool ShouldDrawEntity(const Entity* e, DrawLayer layerDrawing) {
+    return EntityAllocated(e)
+        && (e->flags & ENTITY_VISIBLE);
+}
+
+static inline Rectangle GetSpriteDrawDestinationRectGlobal(const Entity* e, int spriteIndex) {
+    Rectangle destRectGlobal = e->sprites[spriteIndex].destRect;
+
+    destRectGlobal.x += e->position.x;
+    destRectGlobal.y += e->position.y;
+
+    return destRectGlobal;
+}
+
+static inline Rectangle GetPhysicsColliderGlobal(const Entity* e) {
+    Rectangle physicsColliderGlobal = e->physicsCollider;
+    physicsColliderGlobal.x += e->position.x;
+    physicsColliderGlobal.y += e->position.y;
+
+    return physicsColliderGlobal;
+}
+
+static inline Animation* GetCurrentAnimation(Sprite* s) {
+    return &s->animations[s->currentAnimation];
+}
+
+#endif // UTILS_H_