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Integrate flow field pathfinder into game simulation #1656

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Integrate flow field pathfinder into game simulation #1656

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@heinezen heinezen commented Jun 2, 2024 •
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Makes the pathfinder usable from the game simulation.

Depends on #1648, #1647

Introduces several additions and optimizations to the work started in #1620 :

  • Flow field documentation
  • Gamestate
    • Map object for accessing pathfinder
    • use pathfinder in move system
    • new nyan API bindings for Terrain objects
  • Pathfinder
    • Massive performance increase for flow field calculation
    • LOS propagation across sectors
    • Flow field caching
    • Fixed several bugs

@heinezen heinezen added improvement Enhancement of an existing component lang: c++ Done in C++ code area: simulation Involved in the game mechanics and simulation big stuff High-impact changes, mainly foundation work labels Jun 2, 2024
@heinezen heinezen changed the title Feature/gamestate pathing Integrate flow field pathfinder into game simulation Jun 2, 2024
TheJJ

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@heinezen heinezen mentioned this pull request Jul 12, 2024
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C3pa
C3pa reviewed Jul 27, 2024
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libopenage/gamestate/map.cpp Outdated Show resolved Hide resolved
@heinezen heinezen force-pushed the feature/gamestate-pathing branch 2 times, most recently from 7809d09 to 1487ef3 Compare July 28, 2024 01:38
@heinezen heinezen marked this pull request as ready for review July 28, 2024 01:38
@heinezen heinezen added this to the 0.6.0 milestone Jul 28, 2024
@heinezen heinezen force-pushed the feature/gamestate-pathing branch 2 times, most recently from c0bfe1f to da96a11 Compare July 28, 2024 11:21
@heinezen heinezen added the kevin-rebuild-pl0x instruct kevin to rebuild this pull request label Jul 28, 2024
@SFTbot SFTbot removed the kevin-rebuild-pl0x instruct kevin to rebuild this pull request label Jul 28, 2024
@TheJJ TheJJ added the kevin-rebuild-pl0x instruct kevin to rebuild this pull request label Jul 30, 2024
@SFTbot SFTbot removed the kevin-rebuild-pl0x instruct kevin to rebuild this pull request label Jul 30, 2024
@heinezen
path: Calculate flow field directions for LOS cells to allow caching …
11154dc 
…of field.
@heinezen
path: Transfer flags for LOS/wavefront blocked from an integration fi…
e0b47ad 
…eld.
@heinezen
path: Apply LOS flags when getting fields from cache.
9d1cf63
@heinezen
path: Limit sectors where LOS is transferred between portals.
ded8dd4 
This avoid edge cases where LOS flags would be set when LOS is actually blocked by an obstacle, e.g. a cell in a sector that is not visited.
@heinezen
path: Fix time unit in demo 1.
b81a6f8
@heinezen
path: Align bit positions for shared flags of flow/integration cell v…
faf058d 
…alues.
@heinezen
path: Use integration flags in flow field shader.
c9abf0d
@heinezen
path: Remove FLOW_WAVEFRONT_BLOCKED flag.
7ac961c
@heinezen
path: Add FLOW_TARGET flag.
a6c27f9
@heinezen
path: Check ifr target cell has been reached using flow target flag.
85223a9
@heinezen
etc: Add unused placeholders for integration flags.
91f870f
@heinezen
path: Optimize performance-critical paths in the code.
8eb933c
@heinezen
path: Remopve outdated TODOs.
502c93d
@heinezen
path: Fix existing unit tests.
15b7610
@heinezen
path: More helpful log messages.
02ca65e
@heinezen
path: Fix waypoint finder exiting one cell too early.
7434e6a
@heinezen
Fix compiler warnings.
d63ca0d
@heinezen
path: Vectorize and unroll loops to maximize performance.
8ad4293
@heinezen
path: Speed up flow field access.
e29c587
@heinezen
path: Optimize portal exit node search for speed.
ed53e31
@heinezen
path: Optimize access to integration cell in LOS pass.
b8d9a62
@heinezen
path: Make distinction between cardinal/diagonal checks more clear.
d7fa7e3
@heinezen
etc: Remove pathfinding TODO from pretty printer.
3788871
@heinezen
path: Check if target cell is impassable.
3b4ca39
@heinezen
renderer: Update animation frame based on keyframe insertion time.
ae72b3f
@heinezen
gamestate: Do not spawn entities outside of map area.
51f9bb0
@heinezen
doc: Document field types in flow field pathfinder.
6389ead
@heinezen
gamestate: Use nyan terrain definition for modpacks without terrain g…
da981e9 
…raphics.
@heinezen
presenter: Let camera look at map center on startup.
abce704
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area: simulation Involved in the game mechanics and simulation big stuff High-impact changes, mainly foundation work improvement Enhancement of an existing component lang: c++ Done in C++ code
Projects
openage game simulation
Status: 👀 In review
Milestone
0.6.0
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@heinezen @TheJJ @C3pa @SFTbot