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EVEngine/test/map.cpp
T
西风逍遥游 b9e3730072 feat(tests): enhance graphics tests with new rendering previews 
- Added new test cases for various graphics functionalities, including animation previews, particle effects, and inventory UI.
- Implemented rendering previews for Mixamo animations, Box2D physics, and procedural generation, allowing for real-time visualization during tests.
- Introduced helper functions for drawing graphics elements, improving the clarity and maintainability of test code.
- Enhanced existing tests to utilize the new graphics capabilities, ensuring comprehensive coverage of rendering features.
2026-08-11 02:57:47 +08:00

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#include "zeroerr/assert.h"
#include "zeroerr/unittest.h"
#include "map/Map.h"
#include "map/TileLayer.h"
#include "map/TileSystem.h"
#include "map/TileConfig.h"
#include "map/TileProjection.h"
#include "map/DualGrid.h"
#include "map/MapObject.h"
#include "graphics/DrawItem2D.h"
#include "graphics/Graphics.h"
#include "window/Window.h"
#include "data/DataModule.h"
#include <SDL2/SDL.h>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
using namespace eve::map;
namespace {
void hideAllTileLayers() {
if (ecs::current()->getManager<TileLayer>() == nullptr) return;
auto view = ecs::View<TileLayer, TileLayer::Draw>();
for (auto it = view.begin(); it != view.end(); ++it) {
auto [draw] = *it;
draw->visible = false;
}
}
} // namespace
TEST_CASE("map.newLayer.ecsView") {
auto *mod = Map::create();
int before = mod->getLayerCount();
TileLayer *layer = mod->newLayer(4, 3, 16.f, 16.f);
REQUIRE(layer != nullptr);
CHECK_EQ(layer->getMapWidth(), 4);
CHECK_EQ(layer->getMapHeight(), 3);
CHECK_EQ(layer->getTileWidth(), 16.f);
CHECK_EQ(layer->getTileHeight(), 16.f);
CHECK_EQ(mod->getLayerCount(), before + 1);
CHECK(layer->config()->entity == layer);
}
TEST_CASE("map.layer.setGetTile") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(3, 2, 32.f, 32.f);
CHECK_EQ(layer->getTile(0, 0), 0);
layer->setTile(1, 1, 5);
CHECK_EQ(layer->getTile(1, 1), 5);
layer->setTile(-1, 0, 9); // out of range no-op
CHECK_EQ(layer->getTile(0, 0), 0);
layer->fill(7);
CHECK_EQ(layer->getTile(0, 0), 7);
CHECK_EQ(layer->getTile(2, 1), 7);
layer->clear();
CHECK_EQ(layer->getTile(1, 0), 0);
}
TEST_CASE("map.layer.resizeClears") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 8.f, 8.f);
layer->setTile(0, 0, 3);
layer->resize(4, 1);
CHECK_EQ(layer->getMapWidth(), 4);
CHECK_EQ(layer->getMapHeight(), 1);
CHECK_EQ(layer->getTile(0, 0), 0);
}
TEST_CASE("map.layer.applyConfigFlat") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 16.f, 16.f);
const char *json = R"({
"width": 2,
"height": 2,
"tilewidth": 16,
"tileheight": 16,
"data": [1, 2, 3, 4],
"origin": [10, 20],
"layer": 2,
"visible": true,
"tint": [1, 0.5, 0.25, 1]
})";
CHECK(layer->applyConfig(json));
CHECK_EQ(layer->getTile(0, 0), 1);
CHECK_EQ(layer->getTile(1, 0), 2);
CHECK_EQ(layer->getTile(0, 1), 3);
CHECK_EQ(layer->getTile(1, 1), 4);
CHECK_EQ(layer->getX(), 10.f);
CHECK_EQ(layer->getY(), 20.f);
CHECK_EQ(layer->getLayer(), 2);
CHECK(layer->isVisible());
}
TEST_CASE("map.layer.applyConfigMultiLayerPicksFirst") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 1, 8.f, 8.f);
const char *json = R"({
"width": 2,
"height": 1,
"tilewidth": 8,
"tileheight": 8,
"layers": [
{ "type": "tilelayer", "width": 2, "height": 1, "data": [9, 8] },
{ "type": "objectgroup", "objects": [] },
{ "type": "tilelayer", "width": 2, "height": 1, "data": [1, 1] }
]
})";
CHECK(layer->applyConfig(json));
CHECK_EQ(layer->getTile(0, 0), 9);
CHECK_EQ(layer->getTile(1, 0), 8);
}
TEST_CASE("map.tileGid.masksFlipFlags") {
CHECK_EQ(tileGid(0), 0u);
CHECK_EQ(tileGid(5), 5u);
CHECK_EQ(tileGid(0x80000005u), 5u);
}
TEST_CASE("map.render.nullSafe") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 8.f, 8.f);
layer->fill(1);
TileRenderSystem::render(nullptr);
}
TEST_CASE("map.projection.orthogonal") {
TileLayer::Config cfg;
cfg.mapW = 10;
cfg.mapH = 10;
cfg.tileW = 32.f;
cfg.tileH = 32.f;
cfg.originX = 10.f;
cfg.originY = 20.f;
cfg.orientation = MapOrientation::Orthogonal;
float wx = 0, wy = 0;
tileToWorld(cfg, 2, 3, wx, wy);
CHECK_EQ(wx, 10.f + 2 * 32.f);
CHECK_EQ(wy, 20.f + 3 * 32.f);
CHECK_EQ(tileToDepthY(cfg, 2, 3), 20.f + 4 * 32.f);
int tx = -1, ty = -1;
worldToTile(cfg, wx + 1.f, wy + 1.f, tx, ty);
CHECK_EQ(tx, 2);
CHECK_EQ(ty, 3);
}
TEST_CASE("map.projection.isometric") {
TileLayer::Config cfg;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.originX = 0.f;
cfg.originY = 0.f;
cfg.orientation = MapOrientation::Isometric;
float wx = 0, wy = 0;
tileToWorld(cfg, 1, 0, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 16.f);
tileToWorld(cfg, 0, 1, wx, wy);
CHECK_EQ(wx, -32.f);
CHECK_EQ(wy, 16.f);
CHECK_EQ(tileToDepthY(cfg, 1, 0), 16.f + 32.f);
}
TEST_CASE("map.projection.staggeredYOdd") {
TileLayer::Config cfg;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.originX = 0.f;
cfg.originY = 0.f;
cfg.orientation = MapOrientation::Staggered;
cfg.staggerAxis = StaggerAxis::Y;
cfg.staggerIndex = StaggerIndex::Odd;
float wx = 0, wy = 0;
tileToWorld(cfg, 0, 0, wx, wy);
CHECK_EQ(wx, 0.f);
CHECK_EQ(wy, 0.f);
tileToWorld(cfg, 0, 1, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 16.f);
}
TEST_CASE("map.config.orientationIsometric") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 64.f, 32.f);
const char *json = R"({
"width": 2, "height": 2, "tilewidth": 64, "tileheight": 32,
"orientation": "isometric",
"data": [1, 0, 0, 1]
})";
CHECK(layer->applyConfig(json));
CHECK_EQ(static_cast<int>(layer->config()->orientation),
static_cast<int>(MapOrientation::Isometric));
}
TEST_CASE("map.config.unknownOrientationFails") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(1, 1, 8.f, 8.f);
CHECK(!layer->applyConfig(R"({"width":1,"height":1,"orientation":"banana","data":[1]})"));
}
TEST_CASE("map.decode.zstdFails") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(1, 1, 8.f, 8.f);
const char *json =
R"({"width":1,"height":1,"tilewidth":8,"tileheight":8,
"encoding":"base64","compression":"zstd","data":"AAAA"})";
CHECK(!layer->applyConfig(json));
}
TEST_CASE("map.objects.parseObjectGroup") {
const char *json = R"({
"width": 2, "height": 1, "tilewidth": 16, "tileheight": 16,
"layers": [
{ "type": "tilelayer", "width": 2, "height": 1, "data": [1, 0] },
{ "type": "objectgroup", "objects": [
{ "name": "spawn", "type": "player", "x": 8, "y": 24, "width": 16, "height": 16 }
]}
]
})";
std::vector<MapObject> objs;
std::string err;
auto layers = loadMapText(json, &objs, &err);
CHECK(err.empty());
REQUIRE(layers.size() == 1);
REQUIRE(objs.size() == 1);
CHECK_EQ(objs[0].name, "spawn");
CHECK_EQ(objs[0].type, "player");
CHECK_EQ(objs[0].x, 8.f);
CHECK_EQ(objs[0].y, 24.f);
}
TEST_CASE("map.render.tilesContributeDepthY") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(1, 2, 32.f, 32.f);
layer->config()->orientation = MapOrientation::Orthogonal;
layer->setOrigin(0, 0);
layer->setTile(0, 0, 1);
layer->setTile(0, 1, 1);
std::vector<eve::graphics::DrawItem2D> items;
TileRenderSystem::collect(items);
REQUIRE(items.size() == 2);
eve::graphics::sortDrawItems2D(items);
CHECK(items[0].depthY < items[1].depthY);
}
TEST_CASE("map.drawItem.sortByDepthY") {
using eve::graphics::DrawItem2D;
std::vector<DrawItem2D> items(2);
items[0].layer = 0;
items[0].depthY = 100.f;
items[0].canvas = nullptr;
items[1].layer = 0;
items[1].depthY = 50.f;
items[1].canvas = nullptr;
eve::graphics::sortDrawItems2D(items);
CHECK_EQ(items[0].depthY, 50.f);
CHECK_EQ(items[1].depthY, 100.f);
}
TEST_CASE("map.projection.isometric.worldToTile") {
TileLayer::Config cfg;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.originX = 0.f;
cfg.originY = 0.f;
cfg.orientation = MapOrientation::Isometric;
float wx = 0, wy = 0;
tileToWorld(cfg, 1, 0, wx, wy);
int tx = -1, ty = -1;
worldToTile(cfg, wx, wy, tx, ty);
CHECK_EQ(tx, 1);
CHECK_EQ(ty, 0);
tileToWorld(cfg, 0, 1, wx, wy);
worldToTile(cfg, wx, wy, tx, ty);
CHECK_EQ(tx, 0);
CHECK_EQ(ty, 1);
}
TEST_CASE("map.projection.staggeredYOdd.worldToTileAndDepth") {
TileLayer::Config cfg;
cfg.mapW = 4;
cfg.mapH = 4;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.originX = 0.f;
cfg.originY = 0.f;
cfg.orientation = MapOrientation::Staggered;
cfg.staggerAxis = StaggerAxis::Y;
cfg.staggerIndex = StaggerIndex::Odd;
float wx = 0, wy = 0;
tileToWorld(cfg, 0, 1, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 16.f);
CHECK_EQ(tileToDepthY(cfg, 0, 1), 16.f + 32.f);
// Nearest tile center
int tx = -1, ty = -1;
worldToTile(cfg, wx + 32.f, wy + 16.f, tx, ty);
CHECK_EQ(tx, 0);
CHECK_EQ(ty, 1);
}
TEST_CASE("map.projection.staggeredXEven") {
TileLayer::Config cfg;
cfg.mapW = 3;
cfg.mapH = 3;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.orientation = MapOrientation::Staggered;
cfg.staggerAxis = StaggerAxis::X;
cfg.staggerIndex = StaggerIndex::Even;
float wx = 0, wy = 0;
tileToWorld(cfg, 0, 0, wx, wy);
// major=tx=0 even → staggerIndex Even → shift (since !odd)
CHECK_EQ(wx, 0.f);
CHECK_EQ(wy, 16.f);
tileToWorld(cfg, 1, 0, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 0.f);
}
TEST_CASE("map.projection.hexagonalYOdd") {
TileLayer::Config cfg;
cfg.mapW = 3;
cfg.mapH = 3;
cfg.tileW = 64.f;
cfg.tileH = 32.f;
cfg.hexSideLength = 16.f;
cfg.orientation = MapOrientation::Hexagonal;
cfg.staggerAxis = StaggerAxis::Y;
cfg.staggerIndex = StaggerIndex::Odd;
float wx = 0, wy = 0;
tileToWorld(cfg, 0, 0, wx, wy);
CHECK_EQ(wx, 0.f);
CHECK_EQ(wy, 0.f);
// pitchY = (32+16)/2 = 24; row 1 odd → +tw/2
tileToWorld(cfg, 0, 1, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 24.f);
CHECK_EQ(tileToDepthY(cfg, 0, 1), 24.f + 32.f);
int tx = -1, ty = -1;
worldToTile(cfg, wx + 32.f, wy + 16.f, tx, ty);
CHECK_EQ(tx, 0);
CHECK_EQ(ty, 1);
}
TEST_CASE("map.decode.base64ZlibRoundTrip") {
// 2x2 little-endian GIDs: 1,2,3,4
const unsigned char raw[16] = {1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0};
eve::data::CompressedData *cdata =
eve::data::compress("zlib", reinterpret_cast<const char *>(raw), 16, -1);
REQUIRE(cdata != nullptr);
const char *compressed = reinterpret_cast<const char *>(cdata->getData());
const size_t compressedSize = cdata->getSize();
size_t b64len = 0;
char *b64raw = eve::data::encode("base64", compressed, compressedSize, b64len);
REQUIRE(b64raw != nullptr);
REQUIRE(b64len > 0);
std::string b64(b64raw, b64len);
delete[] b64raw;
std::string json = std::string(R"({
"width": 2, "height": 2, "tilewidth": 16, "tileheight": 16,
"layers": [{
"type": "tilelayer", "width": 2, "height": 2,
"encoding": "base64", "compression": "zlib",
"data": ")") +
b64 + R"("}]})";
std::string err;
auto layers = loadMapText(json, nullptr, &err);
CHECK(err.empty());
REQUIRE(layers.size() == 1);
CHECK_EQ(layers[0]->getTile(0, 0), 1);
CHECK_EQ(layers[0]->getTile(1, 0), 2);
CHECK_EQ(layers[0]->getTile(0, 1), 3);
CHECK_EQ(layers[0]->getTile(1, 1), 4);
delete cdata;
}
TEST_CASE("map.decode.base64Uncompressed") {
const unsigned char raw[16] = {1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0};
size_t b64len = 0;
char *b64raw =
eve::data::encode("base64", reinterpret_cast<const char *>(raw), 16, b64len);
REQUIRE(b64raw != nullptr);
std::string b64(b64raw, b64len);
delete[] b64raw;
std::string json = std::string(R"({
"width": 2, "height": 2, "tilewidth": 16, "tileheight": 16,
"encoding": "base64", "compression": "",
"data": ")") +
b64 + R"("})";
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 16.f, 16.f);
CHECK(layer->applyConfig(json));
CHECK_EQ(layer->getTile(0, 0), 1);
CHECK_EQ(layer->getTile(1, 1), 4);
}
TEST_CASE("map.load.tiledLikeIsometricWithObjects") {
const char *json = R"({
"width": 2, "height": 2, "tilewidth": 64, "tileheight": 32,
"orientation": "isometric",
"layers": [
{ "type": "tilelayer", "width": 2, "height": 2, "data": [1, 0, 0, 2] },
{ "type": "objectgroup", "objects": [
{ "name": "npc", "type": "talker", "x": 10, "y": 20, "width": 8, "height": 8, "gid": 3 }
]}
]
})";
std::vector<MapObject> objs;
std::string err;
auto layers = loadMapText(json, &objs, &err);
CHECK(err.empty());
REQUIRE(layers.size() == 1);
CHECK_EQ(static_cast<int>(layers[0]->config()->orientation),
static_cast<int>(MapOrientation::Isometric));
CHECK_EQ(layers[0]->getTile(0, 0), 1);
CHECK_EQ(layers[0]->getTile(1, 1), 2);
float wx = 0, wy = 0;
layers[0]->tileToWorld(1, 0, wx, wy);
CHECK_EQ(wx, 32.f);
CHECK_EQ(wy, 16.f);
REQUIRE(objs.size() == 1);
CHECK_EQ(objs[0].name, "npc");
CHECK_EQ(objs[0].type, "talker");
CHECK_EQ(objs[0].gid, 3);
}
TEST_CASE("map.dualGrid.maskAndFrameTable") {
CHECK_EQ(dualGridMaskFromCorners(false, false, false, false), 0);
CHECK_EQ(dualGridMaskFromCorners(true, false, false, false), 1);
CHECK_EQ(dualGridMaskFromCorners(false, true, false, false), 2);
CHECK_EQ(dualGridMaskFromCorners(false, false, true, false), 4);
CHECK_EQ(dualGridMaskFromCorners(false, false, false, true), 8);
CHECK_EQ(dualGridMaskFromCorners(true, true, true, true), 15);
// Diagonal TL+BR (classic dual-grid case that blob edge-masks miss).
CHECK_EQ(dualGridMaskFromCorners(true, false, false, true), 9);
CHECK_EQ(dualGridDefaultFrame(0), -1);
CHECK_EQ(dualGridDefaultFrame(15), 6);
CHECK_EQ(dualGridDefaultFrame(9), 4);
CHECK_EQ(dualGridDefaultFrameTable()[1], 15);
}
TEST_CASE("map.dualGrid.resolveHalfOffsetAndSize") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 2, 32.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
logic->setOrigin(10.f, 20.f);
logic->setTile(0, 0, 1);
logic->setTile(1, 1, 1);
DualGridOptions opts;
opts.useDefaultFrameTable = false; // gid = firstGid + mask
opts.firstDisplayGid = 10;
opts.hideLogic = true;
std::string err;
CHECK(resolveDualGrid(logic, display, opts, &err));
CHECK(err.empty());
CHECK_EQ(display->getMapWidth(), 3);
CHECK_EQ(display->getMapHeight(), 3);
CHECK_EQ(display->getTileWidth(), 32.f);
CHECK_EQ(display->getX(), 10.f - 16.f);
CHECK_EQ(display->getY(), 20.f - 16.f);
CHECK(!logic->isVisible());
CHECK(display->isVisible());
// Display (1,1) samples logic (0,0),(1,0),(0,1),(1,1) → TL+BR = mask 9
CHECK_EQ(dualGridMaskAt(*logic, 1, 1, 0), 9);
CHECK_EQ(display->getTile(1, 1), 10 + 9);
// Display (0,0) samples only out-of-bounds + logic(0,0) as BR → mask 8
CHECK_EQ(dualGridMaskAt(*logic, 0, 0, 0), 8);
CHECK_EQ(display->getTile(0, 0), 10 + 8);
// Empty neighborhood
CHECK_EQ(display->getTile(2, 0), 0);
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.resolveRejectsSameLayer") {
auto *mod = Map::create();
TileLayer *layer = mod->newLayer(2, 2, 16.f, 16.f);
std::string err;
CHECK(!resolveDualGrid(layer, layer, DualGridOptions{}, &err));
CHECK(!err.empty());
CHECK(!mod->resolveDualGrid(nullptr, layer));
CHECK(!mod->lastDualGridError().empty());
layer->clear();
layer->setVisible(false);
}
TEST_CASE("map.dualGrid.filledGidFilter") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(1, 1, 16.f, 16.f);
TileLayer *display = mod->newLayer(1, 1, 16.f, 16.f);
logic->setTile(0, 0, 5);
DualGridOptions opts;
opts.filledGid = 9; // 5 should not count
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
opts.hideLogic = false;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
// All display cells empty when filled filter mismatches
CHECK_EQ(display->getTile(0, 0), 0);
CHECK_EQ(display->getTile(1, 0), 0);
CHECK_EQ(display->getTile(0, 1), 0);
CHECK_EQ(display->getTile(1, 1), 0);
CHECK(logic->isVisible());
CHECK(mod->resolveDualGridFilled(logic, display, 5));
// logic(0,0) is BR of display(0,0) and TL of display(1,1).
CHECK_EQ(dualGridMaskAt(*logic, 0, 0, 5), 8);
CHECK_EQ(dualGridMaskAt(*logic, 1, 1, 5), 1);
CHECK_EQ(display->getTile(0, 0), 1 + dualGridDefaultFrame(8));
CHECK_EQ(display->getTile(1, 1), 1 + dualGridDefaultFrame(1));
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.halfOffset.orthogonalIsoStaggerHex") {
TileLayer::Config ortho;
ortho.orientation = MapOrientation::Orthogonal;
ortho.tileW = 32.f;
ortho.tileH = 32.f;
float ox = 0, oy = 0;
dualGridHalfOffset(ortho, ox, oy);
CHECK_EQ(ox, -16.f);
CHECK_EQ(oy, -16.f);
TileLayer::Config iso;
iso.orientation = MapOrientation::Isometric;
iso.tileW = 64.f;
iso.tileH = 32.f;
dualGridHalfOffset(iso, ox, oy);
CHECK_EQ(ox, 0.f);
CHECK_EQ(oy, -16.f);
TileLayer::Config stagY;
stagY.orientation = MapOrientation::Staggered;
stagY.staggerAxis = StaggerAxis::Y;
stagY.tileW = 64.f;
stagY.tileH = 32.f;
dualGridHalfOffset(stagY, ox, oy);
CHECK_EQ(ox, -32.f);
CHECK_EQ(oy, -8.f); // pitchY = th/2 = 16 → half = 8
TileLayer::Config stagX;
stagX.orientation = MapOrientation::Staggered;
stagX.staggerAxis = StaggerAxis::X;
stagX.tileW = 64.f;
stagX.tileH = 32.f;
dualGridHalfOffset(stagX, ox, oy);
CHECK_EQ(ox, -16.f); // pitchX = tw/2 = 32 → half = 16
CHECK_EQ(oy, -16.f);
TileLayer::Config hexY;
hexY.orientation = MapOrientation::Hexagonal;
hexY.staggerAxis = StaggerAxis::Y;
hexY.tileW = 64.f;
hexY.tileH = 32.f;
hexY.hexSideLength = 16.f;
dualGridHalfOffset(hexY, ox, oy);
// pitchY = (32+16)/2 = 24 → half = 12
CHECK_EQ(ox, -32.f);
CHECK_EQ(oy, -12.f);
TileLayer::Config hexX;
hexX.orientation = MapOrientation::Hexagonal;
hexX.staggerAxis = StaggerAxis::X;
hexX.tileW = 64.f;
hexX.tileH = 32.f;
hexX.hexSideLength = 16.f;
dualGridHalfOffset(hexX, ox, oy);
// pitchX = (64+16)/2 = 40 → half = 20
CHECK_EQ(ox, -20.f);
CHECK_EQ(oy, -16.f);
}
TEST_CASE("map.dualGrid.resolve.isometric") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 2, 64.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
logic->config()->orientation = MapOrientation::Isometric;
logic->setOrigin(100.f, 200.f);
logic->setTile(0, 0, 1);
logic->setTile(1, 1, 1);
DualGridOptions opts;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
opts.hideLogic = true;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(static_cast<int>(display->config()->orientation),
static_cast<int>(MapOrientation::Isometric));
CHECK_EQ(display->getMapWidth(), 3);
CHECK_EQ(display->getMapHeight(), 3);
CHECK_EQ(display->getX(), 100.f); // iso: offX = 0
CHECK_EQ(display->getY(), 200.f - 16.f); // offY = -tileH/2
CHECK_EQ(mod->dualGridOffsetX(logic), 0.f);
CHECK_EQ(mod->dualGridOffsetY(logic), -16.f);
// Index-space mask unchanged from orthogonal dual-grid.
CHECK_EQ(dualGridMaskAt(*logic, 1, 1, 0), 9);
CHECK_EQ(display->getTile(1, 1), 1 + 9);
// display(1,0) == logic fractional (0.5, -0.5) under iso projection:
// wx = ox + (1-0)*tw/2 = ox+32, wy = (oy-th/2) + (1+0)*th/2 = oy
CHECK_EQ(display->tileToWorldX(1, 0), 100.f + 32.f);
CHECK_EQ(display->tileToWorldY(1, 0), 200.f);
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.resolve.staggeredYOdd") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(3, 2, 64.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
{
auto lc = logic->config();
lc->orientation = MapOrientation::Staggered;
lc->staggerAxis = StaggerAxis::Y;
lc->staggerIndex = StaggerIndex::Odd;
}
logic->setOrigin(0.f, 0.f);
logic->fill(1);
DualGridOptions opts;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 20;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(static_cast<int>(display->config()->orientation),
static_cast<int>(MapOrientation::Staggered));
CHECK_EQ(static_cast<int>(display->config()->staggerAxis), static_cast<int>(StaggerAxis::Y));
CHECK_EQ(static_cast<int>(display->config()->staggerIndex),
static_cast<int>(StaggerIndex::Odd));
CHECK_EQ(display->getMapWidth(), 4);
CHECK_EQ(display->getMapHeight(), 3);
CHECK_EQ(display->getX(), -32.f);
CHECK_EQ(display->getY(), -8.f);
// Interior display(1,1) sees four filled logic cells → mask 15
CHECK_EQ(dualGridMaskAt(*logic, 1, 1, 0), 15);
CHECK_EQ(display->getTile(1, 1), 20 + 15);
// Corner display(0,0) only BR → mask 8
CHECK_EQ(display->getTile(0, 0), 20 + 8);
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.resolve.staggeredXEven") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 3, 64.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
{
auto lc = logic->config();
lc->orientation = MapOrientation::Staggered;
lc->staggerAxis = StaggerAxis::X;
lc->staggerIndex = StaggerIndex::Even;
}
logic->setOrigin(10.f, 20.f);
logic->setTile(0, 1, 1);
logic->setTile(1, 1, 1);
DualGridOptions opts;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(static_cast<int>(display->config()->staggerAxis), static_cast<int>(StaggerAxis::X));
CHECK_EQ(static_cast<int>(display->config()->staggerIndex),
static_cast<int>(StaggerIndex::Even));
CHECK_EQ(display->getX(), 10.f - 16.f);
CHECK_EQ(display->getY(), 20.f - 16.f);
// display(1,2) samples logic (0,1),(1,1),(0,2),(1,2) → TL+TR = mask 3
CHECK_EQ(dualGridMaskAt(*logic, 1, 2, 0), 3);
CHECK_EQ(display->getTile(1, 2), 1 + 3);
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.resolve.hexagonal") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 2, 64.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
{
auto lc = logic->config();
lc->orientation = MapOrientation::Hexagonal;
lc->staggerAxis = StaggerAxis::Y;
lc->staggerIndex = StaggerIndex::Odd;
lc->hexSideLength = 16.f;
}
logic->setOrigin(5.f, 7.f);
logic->setTile(0, 0, 1);
DualGridOptions opts;
opts.useDefaultFrameTable = true;
opts.firstDisplayGid = 1;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(static_cast<int>(display->config()->orientation),
static_cast<int>(MapOrientation::Hexagonal));
CHECK_EQ(display->config()->hexSideLength, 16.f);
CHECK_EQ(display->getX(), 5.f - 32.f);
CHECK_EQ(display->getY(), 7.f - 12.f); // pitchY=24 → half=12
CHECK_EQ(display->getTile(0, 0), 1 + dualGridDefaultFrame(8));
CHECK_EQ(display->getTile(1, 1), 1 + dualGridDefaultFrame(1));
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.flipFlagsCountAsFilled") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(1, 1, 16.f, 16.f);
TileLayer *display = mod->newLayer(1, 1, 16.f, 16.f);
// Tiled horizontal flip flag on GID 1
logic->setTile(0, 0, int(0x80000001u));
DualGridOptions opts;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(dualGridMaskAt(*logic, 0, 0, 0), 8);
CHECK_EQ(display->getTile(0, 0), 1 + 8);
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.noHalfOffsetKeepsOrigin") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 1, 32.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 8.f, 8.f);
logic->config()->orientation = MapOrientation::Isometric;
logic->setOrigin(40.f, 50.f);
logic->setTile(0, 0, 1);
DualGridOptions opts;
opts.applyHalfOffset = false;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
opts.hideLogic = false;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
CHECK_EQ(display->getX(), 40.f);
CHECK_EQ(display->getY(), 50.f);
CHECK_EQ(static_cast<int>(display->config()->orientation),
static_cast<int>(MapOrientation::Isometric));
CHECK(logic->isVisible());
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.dualGrid.render.isometricDisplayDepth") {
auto *mod = Map::create();
TileLayer *logic = mod->newLayer(2, 2, 64.f, 32.f);
TileLayer *display = mod->newLayer(1, 1, 64.f, 32.f);
logic->config()->orientation = MapOrientation::Isometric;
logic->setOrigin(0.f, 0.f);
logic->fill(1);
DualGridOptions opts;
opts.useDefaultFrameTable = false;
opts.firstDisplayGid = 1;
CHECK(resolveDualGrid(logic, display, opts, nullptr));
std::vector<eve::graphics::DrawItem2D> items;
TileRenderSystem::collect(items);
// Interior + border dual cells that are non-empty on a full 2x2 logic map:
// display 3x3, only mask0 empty — all 9 have some contribution from filled
// neighbors except none are fully empty when logic is full... actually edges
// still have non-zero masks. All 9 display cells should be non-empty.
CHECK_EQ(items.size(), 9u);
eve::graphics::sortDrawItems2D(items);
for (size_t i = 1; i < items.size(); ++i) {
CHECK(items[i - 1].depthY <= items[i].depthY);
}
logic->clear();
display->clear();
logic->setVisible(false);
display->setVisible(false);
}
TEST_CASE("map.render.orthoAndIsoPreview") {
hideAllTileLayers();
auto *win = eve::window::Window::create();
auto *gfx = eve::graphics::Graphics::create();
REQUIRE(win != nullptr);
REQUIRE(gfx != nullptr);
win->setGraphics(gfx);
eve::window::WindowSettings s;
s.width = 640;
s.height = 400;
s.centered = true;
REQUIRE(win->setWindowSettings(s));
auto *mod = Map::create();
// Left: orthogonal concentric rings (solidForGid colors, no atlas needed).
TileLayer *ortho = mod->newLayer(10, 8, 28.f, 28.f);
ortho->config()->orientation = MapOrientation::Orthogonal;
ortho->setOrigin(40.f, 40.f);
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 10; ++x) {
const int ring = std::min({x, y, 9 - x, 7 - y});
ortho->setTile(x, y, uint32_t(1 + ring));
}
}
ortho->setVisible(true);
// Right: isometric diamond so projection is visibly different.
TileLayer *iso = mod->newLayer(6, 6, 48.f, 24.f);
iso->config()->orientation = MapOrientation::Isometric;
iso->setOrigin(420.f, 80.f);
for (int y = 0; y < 6; ++y) {
for (int x = 0; x < 6; ++x) {
iso->setTile(x, y, uint32_t(3 + ((x + y) % 4)));
}
}
iso->setVisible(true);
std::vector<eve::graphics::DrawItem2D> items;
TileRenderSystem::collect(items);
REQUIRE(items.size() == 10u * 8u + 6u * 6u);
gfx->setBackgroundColorRGBA(0.08f, 0.09f, 0.12f, 1.f);
for (int frame = 0; frame < 75; ++frame) {
ortho->setOrigin(40.f + float(frame) * 0.15f, 40.f);
iso->setOrigin(420.f, 80.f + float(std::sin(float(frame) * 0.08f)) * 6.f);
gfx->clearScreen();
mod->render(gfx);
gfx->present();
SDL_Event e;
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT) break;
}
SDL_Delay(16);
}
ortho->setVisible(false);
iso->setVisible(false);
win->close();
}
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