Environmental particle effects Dom

Since the particle optimization we did for 0.18 (FFF-322) and the introduction of new explosions (FFF-325), we were able to push our vision even more.

It always bothered me that the grenade and other explosions would emit the same type of particles regardless of the context. In most cases it isn't that bad, and somewhat okay, but when you throw a grenade into water, it will still emit stone particles, which breaks the illusion.

Another problem is that we have the nice decoratives on the ground, but they don't really 'interact' with anything that goes on, and can feel like fake flat stickers instead of something 'real'. You would expect that when there is a massive explosion 2ft away, the bushes might have some reaction to that.

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The explosion effect currently in 0.18

Specific tile effects

One thing we wanted was some way for tiles to respond to the explosions in different ways. The way Posil...