Change document formatting, finally move cactus cart dropping to node definition for mcl_core:cactus

mods/ENTITIES/mcl_minecarts/API.md

@@ -1,4 +1,4 @@
-== Cart-Node interactions
+## Cart-Node interactions
 
 As the cart moves thru the environment, it can interact with the surrounding blocks
 thru a number of handlers in the block definitions. All these handlers are defined
@@ -7,18 +7,18 @@ as:
 `function(node_position, cart_luaentity, cart_direction, cart_position)`
 
 Arguments:
-`node_position` - position of the node the cart is interacting with
-`cart_luaentity` - The luaentity of the cart that is entering this block. Will
+- `node_position` - position of the node the cart is interacting with
+- `cart_luaentity` - The luaentity of the cart that is entering this block. Will
    be nil for minecarts moving thru unloaded blocks
-`cart_direction` - The direction the cart is moving
-`cart_position` - The location of the cart
-`cart_data` - Information about the cart. This will always be defined.
+- `cart_direction` - The direction the cart is moving
+- `cart_position` - The location of the cart
+- `cart_data` - Information about the cart. This will always be defined.
 
 There are several variants of this handler:
-`_mcl_minecarts_on_enter` - The cart enters this block
-`_mcl_minecarts_on_enter_below` - The cart enters above this block
-`_mcl_minecarts_on_enter_above` - The cart enters below this block
-`_mcl_minecarts_on_enter_side` - The cart enters beside this block
+- `_mcl_minecarts_on_enter` - The cart enters this block
+- `_mcl_minecarts_on_enter_below` - The cart enters above this block
+- `_mcl_minecarts_on_enter_above` - The cart enters below this block
+-  `_mcl_minecarts_on_enter_side` - The cart enters beside this block
 
 Mods can also define global handlers that are called for every node. These
 handlers are defined as:
@@ -26,13 +26,13 @@ handlers are defined as:
 `function(node_position, cart_luaentity, cart_direction, node_definition, cart_data)`
 
 Arguments:
-`node_position` - position of the node the cart is interacting with
-`cart_luaentity` - The luaentity of the cart that is entering this block. Will
+- `node_position` - position of the node the cart is interacting with
+- `cart_luaentity` - The luaentity of the cart that is entering this block. Will
    be nil for minecarts moving thru unloaded blocks
-`cart_direction` - The direction the cart is moving
-`cart_position` - The location of the cart
-`cart_data` - Information about the cart. This will always be defined.
-`node_definition` - The definition of the node at `node_position`
+- `cart_direction` - The direction the cart is moving
+- `cart_position` - The location of the cart
+- `cart_data` - Information about the cart. This will always be defined.
+- `node_definition` - The definition of the node at `node_position`
 
 The available hooks are:
 `_mcl_minecarts.on_enter` - The cart enters this block

mods/ENTITIES/mcl_minecarts/carts.lua

@@ -249,7 +249,7 @@ function DEFAULT_CART_DEF:on_step(dtime)
 	mod.update_cart_orientation(self)
 
 end
-local function kill_cart(staticdata)
+function mod.kill_cart(staticdata)
 	local pos
 	minetest.log("action", "cart #"..staticdata.uuid.." was killed")
 
@@ -272,6 +272,9 @@ local function kill_cart(staticdata)
 			local mob = le._passenger.object
 			mob:set_detach()
 		end
+
+		-- Remove the entity
+		le.object:remove()
 	else
 		pos = mod.get_cart_position(staticdata)
 	end
@@ -292,8 +295,9 @@ local function kill_cart(staticdata)
 
 	-- Remove data
 	destroy_cart_data(staticdata.uuid)
-
 end
+local kill_cart = mod.kill_cart
+
 function DEFAULT_CART_DEF:on_death(killer)
 	kill_cart(self._staticdata)
 end
@@ -561,26 +565,6 @@ minetest.register_globalstep(function(dtime)
 		--- Non-entity code
 		if staticdata.connected_at then
 			do_movement(staticdata, dtime)
-
-			-- TODO: move this into mcl_core:cactus _mcl_minecarts_on_enter_side
-			-- Drop minecart if it collides with a cactus node
-			local pos = mod.get_cart_position(staticdata)
-			if pos then
-				local r = 0.6
-				for _, node_pos in pairs({{r, 0}, {0, r}, {-r, 0}, {0, -r}}) do
-					if minetest.get_node(vector.offset(pos, node_pos[1], 0, node_pos[2])).name == "mcl_core:cactus" then
-						kill_cart(staticdata)
-						local le = mcl_util.get_luaentity_from_uuid(staticdata.uuid)
-						if le then
-							le:on_death()
-							le.object:remove()
-						else
-							kill_cart(staticdata)
-						end
-						return
-					end
-				end
-			end
 		end
 	end
 end)

mods/ITEMS/mcl_core/nodes_cactuscane.lua

@@ -48,6 +48,11 @@ minetest.register_node("mcl_core:cactus", {
 	end),
 	_mcl_blast_resistance = 0.4,
 	_mcl_hardness = 0.4,
+	_mcl_minecarts_on_enter_side = function(pos, _, _, _, cart_data)
+		if mcl_minecarts then
+			mcl_minecarts.kill_cart(cart_data)
+		end
+	end,
 })
 
 minetest.register_node("mcl_core:reeds", {