add "triggers" entity property

res/content/base/entities/drop.json

@@ -1,3 +1,6 @@
 {
-    "hitbox": [0.2, 0.2, 0.2]
+    "hitbox": [0.2, 0.2, 0.2],
+    "triggers": [
+        [-0.2, -0.2, -0.2, 0.2, 0.2, 0.2]
+    ]
 }

res/content/base/scripts/components/drop.lua

@@ -17,6 +17,7 @@ end
 function on_trigger_enter(index, oid)
     if ready and oid == 0 then
         entity:despawn()
+        inventory.add(player.get_inventory(oid), item.index("base:stone.item"), 1)
     end
 end
 

res/modules/internal/stdcomp.lua

@@ -36,9 +36,13 @@ return {
         local entity = setmetatable({eid=eid}, Entity)
         entity.transform = new_Transform(eid)
         entity.rigidbody = new_Rigidbody(eid)
+        entity.data = {}
         entities[eid] = entity;
         return entity
     end,
+    get_Entity = function(eid)
+        return entities[eid]
+    end,
     remove_Entity = function(eid)
         local entity = entities[eid]
         if entity then

res/scripts/stdlib.lua

@@ -304,6 +304,7 @@ function file.readlines(path)
 end
 
 stdcomp = require "core:internal/stdcomp"
+entity.get = stdcomp.get_Entity
 
 -- Deprecated functions
 block_index = block.index

src/content/ContentLoader.cpp

@@ -314,6 +314,16 @@ void ContentLoader::loadEntity(EntityDef& def, const std::string& name, const fs
     if (auto boxarr = root->list("hitbox")) {
         def.hitbox = glm::vec3(boxarr->num(0), boxarr->num(1), boxarr->num(2));
     }
+    if (auto triggersarr = root->list("triggers")) {
+        for (size_t i = 0; i < triggersarr->size(); i++) {
+            if (auto triggerarr = triggersarr->list(i)) {
+                def.triggers.push_back({
+                    {triggerarr->num(0), triggerarr->num(1), triggerarr->num(2)},
+                    {triggerarr->num(3), triggerarr->num(4), triggerarr->num(5)}
+                });
+            }
+        }
+    }
     std::cout << "loading entity " << name << " from " << file.u8string() << std::endl;
 }
 

src/objects/Entities.cpp

@@ -36,8 +36,9 @@ entityid_t Entities::spawn(EntityDef& def, glm::vec3 pos) {
     auto id = nextID++;
     registry.emplace<EntityId>(entity, static_cast<entityid_t>(id), def);
     registry.emplace<Transform>(entity, pos, size, glm::mat3(1.0f));
-    registry.emplace<Rigidbody>(entity, true, Hitbox {pos, def.hitbox}, std::vector<Trigger>{
-        {true, id, AABB {glm::vec3{-0.2f, -0.2f, -0.2f}, glm::vec3{0.2f, 0.2f, 0.2f}}, {}, {}, {},
+    auto& body = registry.emplace<Rigidbody>(entity, true, Hitbox {pos, def.hitbox}, std::vector<Trigger>{});
+    for (auto& box : def.triggers) {
+        body.triggers.emplace_back(Trigger{true, id, box, AABB{}, {}, {},
         [=](auto entityid, auto index, auto otherid) {
             if (auto entity = get(entityid)) {
                 if (entity->isValid()) {
@@ -50,8 +51,8 @@ entityid_t Entities::spawn(EntityDef& def, glm::vec3 pos) {
                     scripting::on_trigger_exit(*entity, index, otherid);
                 }
             }
-        }}
-    });
+        }});
+    }
     auto& scripting = registry.emplace<Scripting>(entity, entity_funcs_set {}, nullptr);
     entities[id] = entity;
     scripting.env = scripting::on_entity_spawn(def, id, scripting.funcsset);

src/objects/EntityDef.hpp

@@ -2,9 +2,11 @@
 #define OBJECTS_ENTITY_DEF_HPP_
 
 #include <string>
+#include <vector>
 #include <glm/glm.hpp>
 
 #include "../typedefs.hpp"
+#include "../maths/aabb.hpp"
 
 struct EntityDef {
     /// @brief Entity string id (with prefix included)
@@ -12,6 +14,7 @@ struct EntityDef {
 
     std::string scriptName = name.substr(name.find(':')+1);
     glm::vec3 hitbox {0.5f};
+    std::vector<AABB> triggers {};
     
     struct {
         entityid_t id;