durability meter + fix dropping items

code/foundation/src/debug/debug_ui.c

@@ -142,6 +142,7 @@ static debug_item items[] = {
                 { .kind = DITEM_BUTTON, .name = "spawn belt", .on_click = ActSpawnBelt },
                 { .kind = DITEM_BUTTON, .name = "spawn furnace", .on_click = ActSpawnFurnace },
                 { .kind = DITEM_BUTTON, .name = "spawn demo blueprint", .on_click = ActSpawnDemoHouseItem },
+                { .kind = DITEM_BUTTON, .name = "spawn random durability icemaker", .on_click = ActSpawnDurabilityTest },
                 {
                     .kind = DITEM_LIST,
                     .name = "demo npcs",

code/foundation/src/debug/debug_ui_actions.c

@@ -60,6 +60,20 @@ ActSpawnBelt(void) {
     debug_replay_special_action(RPKIND_SPAWN_BELT);
 }
 
+void
+ActSpawnDurabilityTest(void) {
+    ecs_entity_t e = item_spawn(ASSET_DEMO_ICEMAKER, 1);
+    ecs_entity_t plr = camera_get().ent_id;
+
+    Position const* origin = ecs_get(world_ecs(), plr, Position);
+    Position * dest = ecs_get_mut(world_ecs(), e, Position);
+    *dest = *origin;
+    entity_set_position(e, dest->x, dest->y);
+
+    Item *it = ecs_get_mut(world_ecs(), e, Item);
+    it->durability = (float)(rand() % 100) / 100.0f;
+}
+
 void
 ActSpawnFurnace(void) {
     ecs_entity_t e = item_spawn(ASSET_FURNACE, 32);

code/foundation/src/gui/inventory.c

@@ -84,8 +84,16 @@ void inventory_draw_panel(entity_view *e, bool is_player, float sx, float sy){
 
             if (item->quantity > 0) {
                 DrawTexturePro(GetSpriteTexture2D(assets_find(item->kind)), ASSET_SRC_RECT(), ASSET_DST_RECT(x,y), (Vector2){0.5f,0.5f}, 0.0f, WHITE);
+            }
+
+            if (item->quantity > 1) {
                 DrawTextEco(zpl_bprintf("%d", item->quantity), x+5, y+5, 16, RAYWHITE, 0.0f);
             }
+
+            if (item->quantity > 0 && item->durability < 1.0f) {
+                DrawRectangleEco(x, y+56, 64, 8, BLACK);
+                DrawRectangleEco(x, y+56, 64*item->durability, 8, BlendColor(RED, GREEN, item->durability));
+            }
         }
         x += 64;
 
@@ -114,7 +122,7 @@ void inventory_render_held_item(bool is_player){
         if (!inv->is_inside && IsMouseButtonReleased(MOUSE_LEFT_BUTTON) && !inv2->is_inside) {
             inv->drop_item = true;
             inv->item_is_held = false;
-            inv_is_storage_action = true;
+            inv_is_storage_action = inv == &storage_inv;
         }
     }
 }

code/foundation/src/utils/raylib_helpers.h

@@ -10,6 +10,16 @@
 
 static inline float lerp(float a, float b, float t) { return a * (1.0f - t) + b * t; }
 
+static inline
+Color BlendColor(Color a, Color b, float t) {
+    return (Color) {
+        .r = (uint8_t)(lerp((float)(a.r)/255.0f, (float)(b.r)/255.0f, t) * 255),
+        .g = (uint8_t)(lerp((float)(a.g)/255.0f, (float)(b.g)/255.0f, t) * 255),
+        .b = (uint8_t)(lerp((float)(a.b)/255.0f, (float)(b.b)/255.0f, t) * 255),
+        .a = (uint8_t)(lerp((float)(a.a)/255.0f, (float)(b.a)/255.0f, t) * 255),
+    };
+}
+
 static inline
 Texture2D LoadTexEco(const char *name) {
     static char filename[128];

code/foundation/src/world/entity_view.c

@@ -31,6 +31,7 @@ pkt_desc pkt_entity_view_desc[] = {
     { PKT_KEEP_IF(entity_view, kind, EKIND_ITEM, 2) },
     { PKT_UINT(entity_view, asset) },
     { PKT_UINT(entity_view, quantity) },
+    { PKT_HALF(entity_view, durability) },
 
     { PKT_KEEP_IF(entity_view, kind, EKIND_DEVICE, 3) },
     { PKT_UINT(entity_view, asset) },

code/foundation/src/world/entity_view.h

@@ -62,6 +62,7 @@ typedef struct entity_view {
     // NOTE(zaklaus): items, ...
     asset_id asset;
     uint32_t quantity;
+    float durability;
 
     // NOTE(zaklaus): device progress bar
     uint32_t progress_active;

code/foundation/src/world/world.c

@@ -63,6 +63,7 @@ entity_view *world_build_entity_view(int64_t e) {
         Item const* dr = ecs_get(world_ecs(), e, Item);
         view.asset = dr->kind;
         view.quantity = dr->quantity;
+        view.durability = dr->durability;
     }
 
     if (ecs_get(world_ecs(), e, Device)) {

code/games/sandbox/src/renderer.c

@@ -110,7 +110,15 @@ void DEBUG_draw_entities(uint64_t key, entity_view * data) {
             float x = data->x - 32.f;
             float y = data->y - 32.f;
             DrawTexturePro(GetSpriteTexture2D(assets_find(data->asset)), ASSET_SRC_RECT(), ASSET_DST_RECT(x,y), (Vector2){0.5f,0.5f}, 0.0f, ALPHA(WHITE));
-            DrawTextEco(zpl_bprintf("%d", data->quantity), x, y, 10, ALPHA(RAYWHITE), 0.0f);
+
+            if (data->quantity > 1) {
+                DrawTextEco(zpl_bprintf("%d", data->quantity), x, y, 10, ALPHA(RAYWHITE), 0.0f);
+            }
+
+            if (data->durability < 1.0f) {
+                DrawRectangleEco(x, y+32, 4, 32, BlendColor(RED, GREEN, data->durability));
+                DrawRectangleEco(x, y+32, 4, 32*(1.0f-data->durability), ColorAlpha(BLACK, data->tran_time));
+            }
         }break;
         default:break;
     }