Add actions

game/unit_actions.h

@@ -0,0 +1,51 @@
+#ifndef PIXELDEFENSE_UNIT_ACTIONS_H
+#define PIXELDEFENSE_UNIT_ACTIONS_H
+
+#include <breeze.h>
+#include <flecs.h>
+
+typedef struct Game Game;
+
+typedef enum ActionType {
+    ACTION_NONE,
+    ACTION_MOVE_TO,
+    ACTION_COLLECT_RESOURCE,
+    ACTION_DEPOSIT_RESOURCE,
+    ACTION_COUNT,
+} ActionType;
+
+typedef struct ActionMoveTo {
+    Vector2 target;
+    f32     proximityThreshold;
+} ActionMoveTo;
+typedef struct ActionCollectResource {
+
+} ActionCollectResource;
+typedef struct ActionDepositResource {
+
+} ActionDepositResource;
+
+typedef struct Action {
+    ActionType type;
+    union {
+        ActionMoveTo moveTo;
+        ActionCollectResource collectResource;
+        ActionDepositResource depositResource;
+    } as;
+
+    f32  elapsed;
+    bool finished;
+
+    struct Action *next;
+} Action;
+
+typedef struct UnitAction {
+    Action *first;
+    Action *last;
+} UnitAction;
+
+void handleAction(ecs_entity_t entity, UnitAction *unitAction, Game *game);
+void clearActions(ecs_entity_t entity, Game *game);
+void addAction(ecs_entity_t entity, Game *game, const Action *action);
+
+#endif //PIXELDEFENSE_UNIT_ACTIONS_H