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authorfrosch <frosch@openttd.org>2015-06-21 18:53:23 +0000
committerfrosch <frosch@openttd.org>2015-06-21 18:53:23 +0000
commitde3bb62e9e1e3c43deae3e844ba8de9fc9c888af (patch)
tree39d9e38ab257c26d80a96b9f173214d3ae4bd149 /src/script/api
parentfff22b175891379b9a60f46d6c950c524dfe107e (diff)
downloadopenttd-de3bb62e9e1e3c43deae3e844ba8de9fc9c888af.tar.xz
(svn r27316) -Doc: Improve documentation on ScriptCargo::GetCargoLabel
Diffstat (limited to 'src/script/api')
-rw-r--r--src/script/api/script_cargo.hpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/script/api/script_cargo.hpp b/src/script/api/script_cargo.hpp
index 9d409e191..d1bfdd1fc 100644
--- a/src/script/api/script_cargo.hpp
+++ b/src/script/api/script_cargo.hpp
@@ -90,8 +90,15 @@ public:
* @param cargo_type The cargo to get the string representation of.
* @pre ScriptCargo::IsValidCargo(cargo_type).
* @return The cargo label.
- * @note Never use this to check if it is a certain cargo. NewGRF can
- * redefine all of the names.
+ * @note
+ * - The label uniquely identifies a specific cargo. Use this if you want to
+ * detect special cargos from specific industry set (like production booster cargos, supplies, ...).
+ * - For more generic cargo support, rather check cargo properties though. For example:
+ * - Use ScriptCargo::HasCargoClass(..., CC_PASSENGER) to decide bus vs. truck requirements.
+ * - Use ScriptCargo::GetTownEffect(...) paired with ScriptTown::GetCargoGoal(...) to determine
+ * town growth requirements.
+ * - In other words: Only use the cargo label, if you know more about the behaviour
+ * of a specific cargo from a specific industry set, than the API methods can tell you.
*/
static char *GetCargoLabel(CargoID cargo_type);