Jonas Reith
ee2ef3655b
Group settlements into realms (city-states / kingdoms / empires) and give them
territory + political borders, all derived deterministically from the saved
settlement set (no save-version bump, step-back free).
- PlanetNation.{hpp,cpp}: computeTerritory() — size-scaled influence range per
settlement, realm grouping (a town joins the nearest larger capital within its
annexation reach, else founds its own nation), tier by member count / total pop,
and per-cell ownership maximising range - angular-distance (wilderness frontiers
where no settlement reaches). No RNG → tectonic stream untouched.
- Territory colour mode + nationColor, buildNationBorders (plate dual-contour
reused), realm labels at capitals, a Realms info tab, cell-info realm line, and
kind=4 WorldEvents (realm founded / rises to empire / collapsed). Key P toggles
the view + borders; territory recomputed once per sim year, on placement, load
and step-back.
- civTerritory*/civVassalRange/civEmpire* config knobs (self-describing → no save
break); test_nation.cpp covers ownership/wilderness, empires vs city-states,
realm grouping, tiers, determinism, RNG isolation, save/load parity.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
91 lines
2.7 KiB
CMake
91 lines
2.7 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(PlanetSim CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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include(FetchContent)
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FetchContent_Declare(
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raylib
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GIT_REPOSITORY https://github.com/raysan5/raylib.git
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GIT_TAG 5.5
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)
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# Build raylib as a static lib, no examples.
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set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
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set(BUILD_GAMES OFF CACHE BOOL "" FORCE)
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FetchContent_MakeAvailable(raylib)
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set(SIM_SOURCES
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src/sim/IcoSphere.cpp
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src/sim/Planet.cpp
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src/sim/PlanetTectonics.cpp
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src/sim/PlanetDrift.cpp
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src/sim/PlanetErosion.cpp
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src/sim/PlanetHydrology.cpp
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src/sim/PlanetBiomes.cpp
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src/sim/PlanetClimate.cpp
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src/sim/PlanetLive.cpp
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src/sim/PlanetOcean.cpp
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src/sim/PlanetWeather.cpp
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src/sim/PlanetVolcano.cpp
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src/sim/PlanetBiota.cpp
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src/sim/PlanetFloraGen.cpp
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src/sim/PlanetFaunaGen.cpp
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src/sim/PlanetFungiGen.cpp
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src/sim/NameGen.cpp
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src/sim/PlanetGeography.cpp
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src/sim/PlanetEcoregions.cpp
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src/sim/PlanetCiv.cpp
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src/sim/PlanetNation.cpp
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src/sim/PlanetIO.cpp
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)
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set(RENDER_SOURCES
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src/render/Colors.cpp
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src/render/Map2D.cpp
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src/render/Overlays.cpp
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src/render/Picking.cpp
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src/render/Panels.cpp
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src/render/Viewer.cpp
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src/render/ViewerInput.cpp
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src/render/ViewerRender.cpp
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)
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add_library(planetsim_sim STATIC ${SIM_SOURCES})
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target_include_directories(planetsim_sim PUBLIC src/sim)
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add_executable(planetsim
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src/main.cpp
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${RENDER_SOURCES}
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)
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# Flat includes ("Planet.hpp", "Viewer.hpp", ...) resolve across both folders.
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target_include_directories(planetsim PRIVATE src/sim src/render)
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target_link_libraries(planetsim PRIVATE planetsim_sim raylib)
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# OpenMP parallelizes the per-cell passes in Planet::step(). Optional: without
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# it the #pragma omp lines are ignored and the sim runs (correctly) serial.
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find_package(OpenMP)
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if(OpenMP_CXX_FOUND)
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target_link_libraries(planetsim_sim PUBLIC OpenMP::OpenMP_CXX)
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endif()
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# Linux system libs raylib needs at link time.
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if(UNIX AND NOT APPLE)
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target_link_libraries(planetsim PRIVATE m pthread dl)
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endif()
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enable_testing()
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foreach(test_name logic biota ocean live weather volcano geography ecoregions civ nation)
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add_executable(test_${test_name} test_${test_name}.cpp)
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target_link_libraries(test_${test_name} PRIVATE planetsim_sim)
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add_test(NAME ${test_name} COMMAND test_${test_name})
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endforeach()
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add_executable(test_events test_events.cpp ${RENDER_SOURCES})
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target_include_directories(test_events PRIVATE src/sim src/render)
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target_link_libraries(test_events PRIVATE planetsim_sim raylib)
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if(UNIX AND NOT APPLE)
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target_link_libraries(test_events PRIVATE m pthread dl)
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endif()
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add_test(NAME events COMMAND test_events)
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