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Author	SHA1	Message	Date
Auke Kok	9a4d305a22	TNT: Chain reaction ... With the new high res timer, we can make TNT much better create chain reactions. This does exactly that.	2016-04-16 19:27:16 +01:00
Auke Kok	f7553240f9	TNT particles: use drops list smartly ... The drops list already has quantities, so let's just select the one with the highest quantity from it, and use that as tile. Fallback tile will therefore only be used if explosion happens in air. Oh well.	2016-04-16 19:27:16 +01:00
Auke Kok	6cf30bfdc2	TNT: Spacing / codestyle fixes ... - Fix spacing errors around = and .. - Indentation fixes - Break up long lines	2016-04-16 19:27:16 +01:00
Auke Kok	c90df65294	TNT: add some depth to the explosion effect ... We add a dirt-like particle (drawn from scratch, uses some colors from default_dirt's palette) to spawn many particles that have collision enabled around the center of the blast. This has the effect of obscuring the center of the blast, as that is a painfully visible empty area when the explosion happens, as there's only a little spark. The dirt particles bounce around the walls and floor a bit, and disappear rapidly, well before the smoke particles disappear. This is a nice visual distraction that obscures the sudden appearance of the gaping hole, and makes it a whole lot more believable.	2016-04-16 19:27:16 +01:00
Auke Kok	91856fb3fb	Make TNT a bit more fun. ... But not too much. TNT is a bit underwhelming at the moment. We can make it a bit more interesting by ejecting not just one or two itemstacks, but a bunch of them. This code splits up the drops into separate itemstacks that are 2-5 items together, which results in generally roughly 10 itemstacks being ejected. Since now we have multiple ejecta, it makes sense to tune the ejecta velocities a bit better to get the appearance of an actual explosion better. The items will not all start with the same vertical velocity, since that would look like fireworks. Instead we give them all a different vertical speed.	2016-04-16 19:27:16 +01:00
Auke Kok	c09ed8b394	Allow the on_blast API to pass an itemstack. ... If the node is special and has an on_blast() handler, we need to call it instead of getting node drops manually. However, we do want to know if drops should be added for the special nodes, so we modify the on_blast() handler code to allow the nodedef handlers to pass back itemstacks. This could be used by e.g. the doors mod to drop door items after a blast. Since this API is documented in lua_api.txt, a separate PR will be incoming to update the on_blast() documentation.	2016-04-16 19:27:16 +01:00