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EVEngine/test/terrain_stamp_script.cpp
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#include "procgen/heightmap/Heightmap.h"
#include "procgen/heightmap/TerrainStampScript.h"
#include "zeroerr/unittest.h"
#include <simplesquirrel/simplesquirrel.hpp>
TEST_CASE("procgen.mask.scriptWorldContextConfiguration") {
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.run(vm.compileSource(R"(
local world=eve.TerrainStampSettings();world.setGrid(0.0,0.0,1.0,1.0);
world.setCenter(1.0,1.0);world.setSize(2.0,2.0);
local grid=eve.TerrainSampleGrid();grid.width=3;grid.height=3;
grid.setOrigin(0.0,0.0);grid.setSpacing(1.0,1.0);
local spatial=eve.TerrainBrushBlendSettings();spatial.strength=0.25;
assert(spatial.configureWorld(world,3,3,grid).ok);
assert(spatial.heightXX==1.0 && spatial.heightZZ==1.0 && spatial.heightOffsetX==0.0);
assert(spatial.brushXX==1.5 && spatial.brushOffsetX==-0.25 && spatial.strength==0.25);
grid.setSpacing(0.0,1.0);
assert(!spatial.configureWorld(world,3,3,grid).ok);
assert(spatial.brushXX==1.5);
)"));
}
TEST_CASE("procgen.mask.scriptImageMaskChannelsAndSettings") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), channel(1, 1), curve(2, 1);
target.data() = {1};
channel.data() = {0.5F};
curve.data() = {0, 1};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("channel", [&]() { return &channel; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local s=eve.TerrainImageMaskSettings();s.tiling=true;s.rotation=0.0;s.accuracy=0.5;
assert(target().generateImageMask(target(),channel(),channel(),channel(),channel(),curve(),s,5,0).ok);
assert(target().height(0,0)==0.5);
assert(!target().generateImageMask(target(),channel(),channel(),channel(),channel(),curve(),s,99,0).ok);
)"));
CHECK(target.data()[0] == 0.5F);
}
TEST_CASE("procgen.mask.scriptGlobalSpawnerMask") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), input(1, 1), source(1, 1), curve(1, 1);
input.data()[0] = 0.8F;
source.data()[0] = curve.data()[0] = 0.5F;
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("input", [&]() { return &input; });
vm.addFunc("source", [&]() { return &source; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local settings=eve.TerrainImageMaskSettings();
assert(target().applyGlobalSpawnerMask(input(),source(),curve(),settings,0).ok);
assert(target().height(0,0)==0.4);
)"));
}
TEST_CASE("procgen.mask.scriptNoiseMask") {
using eve::procgen::Heightmap;
Heightmap target(3, 3), input(3, 3), curve(1, 1);
std::fill(input.data().begin(), input.data().end(), 1.0F);
curve.data()[0] = 0.75F;
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("input", [&]() { return &input; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local settings=eve.TerrainNoiseMaskSettings();
settings.octaves=2.5;settings.warpIterations=1.5;settings.seed=99;
assert(target().generateNoiseMask(input(),curve(),settings,0,0).ok);
assert(target().height(1,1)==0.75);
assert(!target().generateNoiseMask(input(),curve(),settings,99,0).ok);
)"));
}
TEST_CASE("procgen.mask.scriptCollisionMaskStack") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), input(1, 1), mask(1, 1), curve(2, 1);
input.data()[0] = 0.75F;
mask.data()[0] = 1;
curve.data() = {0, 1};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("input", [&]() { return &input; });
vm.addFunc("mask", [&]() { return &mask; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local stack=eve.TerrainCollisionMaskStack();
assert(stack.addLayer(mask(),2,true,false).value==1);
assert(stack.getLayerCount()==1);
assert(stack.apply(target(),input(),curve(),0).ok && target().height(0,0)==0.0);
stack.clear();assert(stack.getLayerCount()==0);
)"));
}
TEST_CASE("procgen.mask.scriptPolygonMask") {
using eve::procgen::Heightmap;
Heightmap output(5, 5), brush(1, 1);
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("output", [&]() { return &output; });
vm.addFunc("brush", [&]() { return &brush; });
vm.run(vm.compileSource(R"(
local poly = eve.TerrainPolygonMask();
assert(poly.addNode(1.0, 1.0, 0.5, 1.0).ok);
assert(poly.addNode(3.0, 1.0, 0.5, 1.0).ok);
assert(poly.addNode(3.0, 3.0, 0.5, 1.0).ok);
assert(poly.rasterize(output(), brush(), 0.0, 0.0, 1.0, 1.0, 1).ok);
assert(output().height(2, 2) == 1.0);
assert(poly.getNodeCount() == 3);
poly.clear();
assert(poly.getNodeCount() == 0);
)"));
CHECK(output.data()[12] == 1.0F);
}
TEST_CASE("procgen.mask.scriptWorldBiomeBakedMaskCache") {
using eve::procgen::Heightmap;
Heightmap source(1, 1), output(1, 1);
source.data()[0] = 0.625F;
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("source", [&]() { return &source; });
vm.addFunc("output", [&]() { return &output; });
vm.run(vm.compileSource(R"(
local cache=eve.TerrainBakedMaskCache();
assert(cache.store("terrain-0","biome-a",source()).value==1);
assert(cache.copyMask("terrain-0","biome-a",output()).ok && output().height(0,0)==0.625);
assert(cache.markDirty("biome-a").value==1);
assert(!cache.copyMask("terrain-0","biome-a",output()).ok);
assert(cache.store("terrain-0","biome-a",source()).value==1);
assert(cache.erase("terrain-0","biome-a").value==1 && cache.getEntryCount()==0);
cache.clear();
)"));
}
TEST_CASE("procgen.mask.scriptConcavityControls") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), heights(1, 1), curve(1, 1);
target.data() = {0.25F};
curve.data() = {0.5F};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("heights", [&]() { return &heights; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local s=eve.TerrainConcavitySettings();s.featureSize=1.0;s.concavity=-1.0;
assert(target().generateConcavityMask(target(),heights(),curve(),s,3).ok);
assert(target().height(0,0)==0.75);
s.featureSize=0.0;
assert(!target().generateConcavityMask(target(),heights(),curve(),s,0).ok);
)"));
CHECK(target.data()[0] == 0.75F);
}
TEST_CASE("procgen.mask.scriptCurvatureSettingsAndModes") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), heights(1, 1), curve(1, 1);
target.data() = {0.25F};
curve.data() = {0.5F};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("heights", [&]() { return &heights; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local s=eve.TerrainCurvatureSettings();
s.steps=1; s.directions=4; s.radius=0.1; s.worldUnits=1.0; s.intensity=1.0;
assert(target().generateCurvatureMask(target(),heights(),curve(),s,2).ok);
assert(target().height(0,0)==0.5);
s.steps=0;
assert(!target().generateCurvatureMask(target(),heights(),curve(),s,0).ok);
)"));
CHECK(target.data()[0] == 0.5F);
}
TEST_CASE("procgen.mask.scriptGrowShrinkCurveEvenAtZero") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), curve(1, 1);
target.data() = {1};
curve.data() = {0.25F};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
assert(target().growShrinkMask(target(),curve(),0.0).ok);
assert(target().height(0,0)==0.25);
assert(target().growShrinkMask(target(),curve(),-0.25).ok);
)"));
CHECK(target.data()[0] == 0.25F);
}
TEST_CASE("procgen.mask.scriptErosionStrengthWorkflow") {
using eve::procgen::Heightmap;
Heightmap target(1, 1), oldHeights(1, 1), erosion(1, 1), brush(1, 1), curve(1, 1);
oldHeights.data() = {0.25F};
erosion.data() = {0.75F};
brush.data() = {1};
curve.data() = {0.25F};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("oldHeights", [&]() { return &oldHeights; });
vm.addFunc("erosion", [&]() { return &erosion; });
vm.addFunc("brush", [&]() { return &brush; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local s=eve.TerrainBrushBlendSettings();
assert(target().generateErosionMask(oldHeights(),erosion(),brush(),s,curve(),0,1.0,false).ok);
assert(target().height(0,0)==0.75);
assert(target().applyStrength(target(),curve(),3,1.0,false).ok);
assert(target().height(0,0)==1.0);
assert(!target().generateErosionMask(oldHeights(),erosion(),brush(),s,curve(),99,1.0,false).ok);
assert(target().height(0,0)==1.0);
)"));
CHECK(target.data()[0] == 1);
}
TEST_CASE("procgen.mask.scriptBrushSpatialBlend") {
using eve::procgen::Heightmap;
Heightmap target(2, 1), source(1, 1), brush(1, 1);
target.data() = {2, 4};
source.data() = {10};
brush.data() = {0.5F};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("source", [&]() { return &source; });
vm.addFunc("brush", [&]() { return &brush; });
vm.run(vm.compileSource(R"(
local s=eve.TerrainBrushBlendSettings();
s.brushXX=2.0;
assert(target().blendBrush(target(),source(),brush(),s).ok);
assert(target().height(0,0)==6.0 && target().height(1,0)==4.0);
)"));
CHECK(target.data() == std::vector<float>({6, 4}));
}
TEST_CASE("procgen.stamp.scriptBindingsAndFailures") {
using eve::procgen::Heightmap;
Heightmap terrain(3, 3), stamp(1, 1), local(1, 1), global(1, 1);
stamp.setHeight(0, 0, 4);
local.setHeight(0, 0, 0.5F);
global.setHeight(0, 0, 1);
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("getTerrain", [&terrain]() { return &terrain; });
vm.addFunc("getStamp", [&stamp]() { return &stamp; });
vm.addFunc("getLocal", [&local]() { return &local; });
vm.addFunc("getGlobal", [&global]() { return &global; });
vm.run(vm.compileSource(R"(
local target = getTerrain();
local s = eve.TerrainStampSettings();
s.setCenter(1.0, 1.0); s.setSize(2.0, 2.0);
s.baseHeight = 1.0;
local r = target.applyStamp(getStamp(), s, 3, getLocal(), getGlobal());
assert(r.ok && r.value == 9);
assert(target.height(1, 1) == 3);
local blended = getGlobal().blendMask(getLocal(), 0, 1.0, false);
assert(blended.ok && blended.value == 1);
s.setSize(0.0, 2.0);
local rejected = target.applyStamp(getStamp(), s, 3, getLocal(), getGlobal());
assert(!rejected.ok && target.height(1, 1) == 3);
local badMode = getGlobal().blendMask(getLocal(), 999, 1.0, false);
assert(!badMode.ok);
)"));
CHECK(terrain.height(1, 1) == 3);
CHECK(global.height(0, 0) == 0.5F);
}
TEST_CASE("procgen.mask.scriptTerrainMaskStampComposition") {
using eve::procgen::Heightmap;
Heightmap heights(3, 3), mask(3, 3), distance(3, 3), target(3, 3);
Heightmap curve(2, 1), reverse(2, 1), stamp(1, 1), one(1, 1);
for (int y = 0; y < 3; ++y)
for (int x = 0; x < 3; ++x) heights.setHeight(x, y, float(x));
curve.setHeight(1, 0, 1);
reverse.setHeight(0, 0, 1);
stamp.setHeight(0, 0, 2);
one.setHeight(0, 0, 1);
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("heights", [&]() { return &heights; });
vm.addFunc("mask", [&]() { return &mask; });
vm.addFunc("distance", [&]() { return &distance; });
vm.addFunc("target", [&]() { return &target; });
vm.addFunc("curve", [&]() { return &curve; });
vm.addFunc("reverse", [&]() { return &reverse; });
vm.addFunc("stamp", [&]() { return &stamp; });
vm.addFunc("one", [&]() { return &one; });
vm.run(vm.compileSource(R"(
local slopes = mask().deriveSlope(heights(), 1.0, 1.0, 1.0);
assert(slopes.ok && mask().height(1, 1) > 0.29 && mask().height(1, 1) < 0.30);
local ranged = mask().rangeMask(heights(), 0.0, 2.0, curve(), curve());
assert(ranged.ok && mask().height(1, 1) == 0.5);
assert(mask().transformMask(mask(), curve()).ok);
local d = eve.TerrainDistanceMaskSettings();
d.scaleX = 1.0; d.scaleZ = 1.0; d.tiling = false;
assert(distance().distanceMask(d, 0, reverse(), curve()).ok);
assert(mask().blendMask(distance(), 0, 1.0, false).ok);
local s = eve.TerrainStampSettings();
s.setCenter(1.0, 1.0); s.setSize(2.0, 2.0);
assert(target().applyStamp(stamp(), s, 3, mask(), one()).ok);
assert(target().height(1, 1) == 1.0 && target().height(0, 0) == 0.0);
assert(!distance().distanceMask(d, 999, curve(), curve()).ok);
)"));
CHECK(target.height(1, 1) == 1);
}
TEST_CASE("procgen.mask.scriptSmoothMask") {
using eve::procgen::Heightmap;
Heightmap input(15, 15), output(15, 15);
input.setHeight(7, 7, 1);
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("input", [&]() { return &input; });
vm.addFunc("output", [&]() { return &output; });
vm.run(vm.compileSource(R"(
local r=output().smoothMask(input(),0.0,1.0);
assert(r.ok && output().height(7,7)>0.017 && output().height(7,7)<0.018);
local before=output().height(7,7);
assert(!output().smoothMask(input(),2.0,1.0).ok);
assert(output().height(7,7)==before);
)"));
}
TEST_CASE("procgen.effect.scriptAllEffectsAndFailures") {
using eve::procgen::Heightmap;
Heightmap terrain(3, 1), mask(3, 1), curve(2, 1);
terrain.data() = {0.125F, 0.25F, 0.375F};
mask.data() = {1, 1, 1};
curve.data() = {0, 1};
ssq::VM vm(1024);
auto table = vm.addTable("eve");
eve::procgen::exposeHeightmap(table);
vm.addFunc("terrain", [&]() { return &terrain; });
vm.addFunc("mask", [&]() { return &mask; });
vm.addFunc("curve", [&]() { return &curve; });
vm.run(vm.compileSource(R"(
local t = terrain();
assert(t.applyContrast(mask(),2.0,1.0).ok);
local smooth = eve.TerrainSmoothSettings();
smooth.radius = 0.5; smooth.verticality = 0.0; smooth.strength = 0.5;
assert(t.applySmooth(mask(),smooth).ok);
local ridge = eve.TerrainRidgeSettings();
assert(ridge.passes == 18);
ridge.passes = 2; ridge.minimum = 0.0; ridge.maximum = 1.0;
ridge.mixStrength = 0.5; ridge.exponent = 2.0; ridge.strength = 1.0;
assert(t.applyRidges(mask(),ridge).ok);
local terrace = eve.TerrainTerraceSettings();
terrace.count = 4.0; terrace.bevel = 0.0; terrace.strength = 1.0;
assert(t.applyTerrace(mask(),terrace).ok);
assert(t.applyPower(mask(),2.0).ok);
assert(t.applyHeightCurve(mask(),curve(),0.0,1.0).ok);
local mix = eve.TerrainHeightMixSettings();
mix.minimum = 0.0; mix.maximum = 1.0; mix.midpoint = 0.5;
mix.strength = 2.0; mix.clipMinimum = 0.0; mix.clipMaximum = 0.5;
assert(t.applyHeightMix(mask(),mask(),mix).ok);
assert(t.height(0,0) == 0.5 && t.height(2,0) == 0.5);
terrace.count = 0.0;
assert(!t.applyTerrace(mask(),terrace).ok);
ridge.passes = -1;
assert(!t.applyRidges(mask(),ridge).ok);
smooth.verticality = 2.0;
assert(!t.applySmooth(mask(),smooth).ok);
assert(!t.applyHeightCurve(mask(),curve(),1.0,0.0).ok);
mix.clipMaximum = -1.0;
assert(!t.applyHeightMix(mask(),mask(),mix).ok);
t.setHeight(2,0,-1.0);
assert(!t.applyPower(mask(),2.0).ok);
assert(t.height(0,0) == 0.5 && t.height(2,0) == -1.0);
)"));
CHECK(terrain.data() == std::vector<float>({0.5F, 0.5F, -1}));
}
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