Economy ECS API base

ECSAPI/.gitignore

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ECSAPI/.vscode/launch.json

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+{
+    "configurations": [
+        {
+            "type": "cmake",
+            "request": "launch",
+            "name": "Debug portfile(s)",
+            "cmakeDebugType": "external",
+            "pipeName": "\\\\.\\pipe\\vcpkg_ext_portfile_dbg",
+            "preLaunchTask": "Debug vcpkg commands"
+        }
+    ]
+}

ECSAPI/CMakeLists.txt

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+cmake_minimum_required (VERSION 3.8)
+
+if (POLICY CMP0141)
+  cmake_policy(SET CMP0141 NEW)
+  set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT "$<IF:$<AND:$<C_COMPILER_ID:MSVC>,$<CXX_COMPILER_ID:MSVC>>,$<$<CONFIG:Debug,RelWithDebInfo>:EditAndContinue>,$<$<CONFIG:Debug,RelWithDebInfo>:ProgramDatabase>>")
+endif()
+
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+project ("ECSAPI")
+
+add_subdirectory ("Economy")
+add_subdirectory ("Economy/test")
+
+add_subdirectory ("ECS")

ECSAPI/CMakePresets.json

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+{
+    "version": 3,
+    "configurePresets": [
+        {
+            "name": "windows-base",
+            "hidden": true,
+            "generator": "Ninja",
+            "binaryDir": "${sourceDir}/out/build/${presetName}",
+            "installDir": "${sourceDir}/out/install/${presetName}",
+            "cacheVariables": {
+              "CMAKE_C_COMPILER": "cl.exe",
+              "CMAKE_CXX_COMPILER": "cl.exe",
+              "CMAKE_TOOLCHAIN_FILE": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
+            },
+            "condition": {
+                "type": "equals",
+                "lhs": "${hostSystemName}",
+                "rhs": "Windows"
+            }
+        },
+        {
+            "name": "x64-debug",
+            "displayName": "x64 Debug",
+            "inherits": "windows-base",
+            "architecture": {
+                "value": "x64",
+                "strategy": "external"
+            },
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug"
+            }
+        },
+        {
+            "name": "x64-release",
+            "displayName": "x64 Release",
+            "inherits": "x64-debug",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Release"
+            }
+        },
+        {
+            "name": "x86-debug",
+            "displayName": "x86 Debug",
+            "inherits": "windows-base",
+            "architecture": {
+                "value": "x86",
+                "strategy": "external"
+            },
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug"
+            }
+        },
+        {
+            "name": "x86-release",
+            "displayName": "x86 Release",
+            "inherits": "x86-debug",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Release"
+            }
+        }
+    ]
+}

ECSAPI/CMakeUserPresets.json

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+{
+  "version": 3,
+  "configurePresets": [
+    {
+      "name": "DEBUG",
+      "inherits": "x64-debug",
+      "environment": {
+        "VCPKG_ROOT": "E:/vcpkg/vcpkg"
+      }
+    }
+  ]
+}

ECSAPI/ECS/CMakeLists.txt

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+project(ECS)
+
+# List sources
+
+set(HEADERS "ECS.h" "world.h")
+set(SOURCES "ECS.cpp" "world.cpp")
+
+list(TRANSFORM HEADERS PREPEND "include/")
+list(TRANSFORM SOURCES PREPEND "src/")
+
+# Find dependencies
+find_package(EnTT CONFIG REQUIRED)
+
+# Link library
+
+add_library (ECS SHARED ${HEADERS} ${SOURCES})
+
+target_link_libraries(ECS PRIVATE Economy::Economy)
+target_link_libraries(ECS PRIVATE EnTT::EnTT)
+
+target_include_directories(ECS PUBLIC include/)
+
+
+if (CMAKE_VERSION VERSION_GREATER 3.12)
+  set_property(TARGET ECS PROPERTY CXX_STANDARD 20)
+endif()

ECSAPI/ECS/include/ECS.h

@@ -0,0 +1,11 @@
+// API to control world multithreaded processing in real time
+#pragma once
+
+namespace ee_ecs
+{
+
+	void init();
+	void start();
+	void stop();
+
+}

ECSAPI/ECS/include/world.h

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+#pragma once
+#include <entt/entt.hpp>
+#include "defines.h"
+#include "enterprise_defaults.h"
+
+namespace ee_ecs
+{
+	class world
+	{
+
+	private:
+		entt::registry registry;
+
+	public:
+		/// <summary>
+		/// Run every registered system
+		/// </summary>
+		void update();
+
+		/// <summary>
+		/// Register new enterprise entity in specified state
+		/// </summary>
+		/// <param name="action">represents type of activity that enterprise do every tick</param>
+		/// <param name="state">is ID of state entity where enterprise will be placed</param>
+		/// <param name="defaults">is initial properties of enterprise</param>
+		void spawn_enterprise(const bool is_building, const ACTION_TYPE action, const entt::entity state, const enterprise_defaults defaults);
+	};
+}

ECSAPI/ECS/src/ECS.cpp

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+#include "ECS.h"
+#include "world.h"
+
+
+static ee_ecs::world world;
+
+void ee_ecs::init()
+{
+	
+}
+
+void ee_ecs::start()
+{
+	
+}
+
+void ee_ecs::stop()
+{
+	
+}

ECSAPI/ECS/src/world.cpp

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+#include "world.h"
+#include "systems.h"
+#include "components/enterprise.h"
+#include "components/miner.h"
+
+void ee_ecs::world::update()
+{
+	mining(this->registry);
+}
+
+void ee_ecs::world::spawn_enterprise(const bool is_building, const ACTION_TYPE action, const entt::entity state, const enterprise_defaults defaults)
+{
+	entt::entity entity = this->registry.create();
+
+	auto &enterprise_c = this->registry.emplace<enterprise>(entity);
+	enterprise_c.is_building = is_building;
+	enterprise_c.state = state;
+
+	auto &container_c = this->registry.emplace<container>(entity);
+	container_c = defaults.container;
+
+	switch (action)
+	{
+	case ACTION_TYPE::MINING:
+	{
+		auto& miner_c = this->registry.emplace<miner>(entity);
+		miner_c.resource = defaults.resource_target;
+		miner_c.value = defaults.base_efficiency_flat;
+
+		break;
+	}
+
+	default:
+		break;
+	}
+}

ECSAPI/Economy/CMakeLists.txt

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+project(Economy)
+
+# List sources
+
+set(HEADERS "defines.h" "enterprise_defaults.h" "systems.h")
+set(HEADERS_COMPONENTS "container.h" "enterprise.h" "miner.h" "producer.h" "tags.h")
+
+set(SOURCES "Economy.cpp")
+set(SOURCES_SYSTEMS "mining.cpp")
+
+list(TRANSFORM HEADERS PREPEND "include/")
+list(TRANSFORM HEADERS_COMPONENTS PREPEND "include/components/")
+
+list(TRANSFORM SOURCES PREPEND "src/")
+list(TRANSFORM SOURCES_SYSTEMS PREPEND "src/systems/")
+
+# Find dependencies
+
+find_package(EnTT CONFIG REQUIRED)
+
+# Link library
+
+add_library(Economy SHARED ${HEADERS} ${HEADERS_COMPONENTS} ${SOURCES} ${SOURCES_SYSTEMS})
+add_library(Economy::Economy ALIAS Economy)
+
+target_link_libraries(Economy PRIVATE EnTT::EnTT)
+
+target_include_directories(Economy PUBLIC include/)
+
+if (CMAKE_VERSION VERSION_GREATER 3.12)
+  set_property(TARGET Economy PROPERTY CXX_STANDARD 20)
+endif()

ECSAPI/Economy/include/components/container.h

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+#pragma once
+#include "../defines.h"
+#include <unordered_map>
+
+namespace ee_ecs
+{
+	struct container
+	{
+		double capacity = 0.;
+		double total = 0.;
+		std::unordered_map<RESOURCE_TYPE, double> content;
+
+		void add(RESOURCE_TYPE type, double delta)
+		{
+			content[type] += delta;
+			total += delta;
+		}
+	};
+}

ECSAPI/Economy/include/components/enterprise.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <entt/entt.hpp>
+
+namespace ee_ecs
+{
+	struct enterprise
+	{
+		bool is_building = false;
+
+		entt::entity state;
+	};
+}

ECSAPI/Economy/include/components/miner.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "../defines.h"
+#include <entt/entt.hpp>
+
+namespace ee_ecs
+{
+	struct miner
+	{
+		RESOURCE_TYPE resource = RESOURCE_TYPE::NONE;
+		double value = 0.;
+	};
+}

ECSAPI/Economy/include/components/producer.h

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+#pragma once
+
+namespace ee_ecs
+{
+	struct producer
+	{
+
+	};
+}

ECSAPI/Economy/include/components/tags.h

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace ee_ecs
+{
+
+	struct state {};
+
+}

ECSAPI/Economy/include/defines.h

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+#pragma once
+
+namespace ee_ecs
+{
+	const double TOLERANCE = 0.001;
+
+	enum struct ACTION_TYPE : unsigned char
+	{
+		MINING,
+		PRODUCTION,
+		DELIVERY,
+		CONTAIN,
+		DESTRUCTION,
+		BUILD,
+		TRADE
+	};
+
+	enum struct CONTAINABLE_TYPE : unsigned char
+	{
+		RESOURCE,
+		GOODS,
+		SERVICE
+	};
+
+	enum struct RESOURCE_TYPE : unsigned char
+	{
+		NONE,
+
+		AGRICULTURE,
+		MEAT,
+		COTTON,
+		LEATHER,
+		WOOL,
+		TIMBER,
+		COAL,
+		OIL,
+		GAS,
+		IRON,
+		COPPER,
+		LITHIUM,
+		URANIUM,
+		GOLD,
+
+		FERTILIZER,
+		FABRIC,
+		FURNITURE,
+		LUXURY,
+		CLOTHING,
+		ALCOHOL,
+		PAPER,
+		GLASS,
+		PLASTIC,
+		CEMENT,
+		STEEL,
+		FUEL,
+		AVIATION_FUEL,
+		ROCKET_FUEL,
+		ENGINES,
+		ELECTRICITY,
+		AUTOMOBILE,
+		AIRPLANE,
+		HELICOPTER,
+		PHONE,
+		TRUCK,
+		CONSTRUCTION_EQUIPMENT,
+		PROCESSOR,
+		COMPUTER,
+		ELECTRONIC,
+		SEMICONDUCTOR,
+		BATTERY,
+		SYNTHETIC_RUBBER,
+		SYNTHETIC_FABRIC,
+		MACHINE_TOOLS,
+		MODERN_MACHINE_TOOLS,
+		POLYMERS,
+		MILITARY_EQUIPMENT,
+		MEDICINES,
+		TACTICAL_MISSILES,
+		NUCLEAR_MISSILES,
+		OIL_GAS
+	};
+}

ECSAPI/Economy/include/enterprise_defaults.h

@@ -0,0 +1,13 @@
+#pragma once 
+#include "components/container.h"
+
+namespace ee_ecs
+{
+	struct enterprise_defaults
+	{
+		container container;
+
+		RESOURCE_TYPE resource_target;
+		double base_efficiency_flat;
+	};
+}

ECSAPI/Economy/include/resources_exchange.h

@@ -0,0 +1,27 @@
+// Rules for resources exchange in base before modifiers applying
+
+#pragma once
+#include <unordered_map>
+#include "defines.h"
+
+namespace ee_ecs
+{
+	struct exchange_rule
+	{
+		double out_value;
+		
+		std::unordered_map<RESOURCE_TYPE, double> consume;
+	};
+
+	const std::unordered_map<RESOURCE_TYPE, exchange_rule> resources_exchange = {
+		{
+			RESOURCE_TYPE::FABRIC,
+			exchange_rule {
+				.out_value = 2.,
+				.consume = {
+					{RESOURCE_TYPE::WOOL, 3.}
+				}
+			}
+		}
+	};
+}

ECSAPI/Economy/include/systems.h

@@ -0,0 +1,7 @@
+#pragma once
+#include <entt/entt.hpp>
+
+namespace ee_ecs
+{
+	void mining(entt::registry& registry);
+}

ECSAPI/Economy/src/systems/mining.cpp

@@ -0,0 +1,26 @@
+#include "systems.h"
+#include "components/miner.h"
+#include "components/container.h"
+#include "components/enterprise.h"
+
+void ee_ecs::mining(entt::registry &registry)
+{
+	auto miners = registry.view<enterprise, miner, container>();
+
+	for (auto [entity, enterprise, miner, local_storage]: miners.each())
+	{
+		container& state = registry.get<container>(enterprise.state);
+
+		if (!state.content.contains(miner.resource) || state.content[miner.resource] < TOLERANCE)
+			continue;
+
+		double mined_value = miner.value;
+		if (local_storage.total + mined_value > local_storage.capacity)
+			mined_value = local_storage.capacity - local_storage.total;
+		if (mined_value > state.content[miner.resource])
+			mined_value = state.content[miner.resource];
+
+		local_storage.add(miner.resource, mined_value);
+		state.add(miner.resource, -mined_value);
+	}
+}

ECSAPI/Economy/test/CMakeLists.txt

@@ -0,0 +1,27 @@
+# List sources
+
+set(SOURCES "test_conf.h" "main.cpp" "systems/mining.cpp")
+
+# Find dependencies
+
+find_package(GTest CONFIG REQUIRED)
+
+# Link
+
+include(GoogleTest)
+
+add_executable(economy_tests ${SOURCES})
+target_link_libraries(economy_tests PRIVATE GTest::gtest_main)
+target_link_libraries(economy_tests PRIVATE Economy::Economy)
+
+# Test
+
+if (WIN32)
+    add_custom_command(
+        TARGET economy_tests POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_RUNTIME_DLLS:economy_tests> $<TARGET_FILE_DIR:economy_tests>
+        COMMAND_EXPAND_LISTS
+    )
+endif ()
+
+gtest_discover_tests(economy_tests)

ECSAPI/Economy/test/main.cpp

@@ -0,0 +1,8 @@
+#include <gtest/gtest.h>
+
+int main(int argc, char **argv)
+{
+    ::testing::InitGoogleTest(&argc, argv);
+
+    return RUN_ALL_TESTS();
+}

ECSAPI/Economy/test/systems/mining.cpp

@@ -0,0 +1,89 @@
+#include <gtest/gtest.h>
+#include "components/container.h"
+#include "components/miner.h"
+#include "defines.h"
+#include "../test_conf.h"
+#include "systems.h"
+
+TEST_F(SystemsTest, MiningNormal)
+{
+    ee_ecs::container &state_container = registry.get<ee_ecs::container>(state);
+    ee_ecs::container &miner_container = registry.get<ee_ecs::container>(miner);
+    ee_ecs::miner &miner_miner = registry.get<ee_ecs::miner>(miner);
+    
+    state_container.capacity = 15.0;
+    state_container.add(ee_ecs::RESOURCE_TYPE::COAL, 10.0);
+
+    miner_container.capacity = 5.0;
+    miner_miner.resource = ee_ecs::RESOURCE_TYPE::COAL;
+    miner_miner.value = 0.1;
+
+    ee_ecs::mining(registry);
+
+    ASSERT_DOUBLE_EQ(state_container.total, 9.9);
+    ASSERT_DOUBLE_EQ(state_container.content[ee_ecs::RESOURCE_TYPE::COAL], 9.9);
+    ASSERT_DOUBLE_EQ(miner_container.total, 0.1);
+    ASSERT_DOUBLE_EQ(miner_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.1);
+}
+
+TEST_F(SystemsTest, MiningEmptyState)
+{
+    ee_ecs::container &state_container = registry.get<ee_ecs::container>(state);
+    ee_ecs::container &miner_container = registry.get<ee_ecs::container>(miner);
+    ee_ecs::miner &miner_miner = registry.get<ee_ecs::miner>(miner);
+    
+    state_container.capacity = 15.0;
+
+    miner_container.capacity = 5.0;
+    miner_miner.resource = ee_ecs::RESOURCE_TYPE::COAL;
+    miner_miner.value = 0.1;
+
+    ee_ecs::mining(registry);
+
+    ASSERT_DOUBLE_EQ(state_container.total, 0.0);
+    ASSERT_DOUBLE_EQ(state_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.0);
+    ASSERT_DOUBLE_EQ(miner_container.total, 0.0);
+    ASSERT_DOUBLE_EQ(miner_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.0);
+}
+
+TEST_F(SystemsTest, MiningPoorState)
+{
+    ee_ecs::container &state_container = registry.get<ee_ecs::container>(state);
+    ee_ecs::container &miner_container = registry.get<ee_ecs::container>(miner);
+    ee_ecs::miner &miner_miner = registry.get<ee_ecs::miner>(miner);
+    
+    state_container.capacity = 15.0;
+    state_container.add(ee_ecs::RESOURCE_TYPE::COAL, 0.05);
+
+    miner_container.capacity = 5.0;
+    miner_miner.resource = ee_ecs::RESOURCE_TYPE::COAL;
+    miner_miner.value = 0.1;
+
+    ee_ecs::mining(registry);
+
+    ASSERT_DOUBLE_EQ(state_container.total, 0.0);
+    ASSERT_DOUBLE_EQ(state_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.0);
+    ASSERT_DOUBLE_EQ(miner_container.total, 0.05);
+    ASSERT_DOUBLE_EQ(miner_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.05);
+}
+
+TEST_F(SystemsTest, MiningReachCap)
+{
+    ee_ecs::container &state_container = registry.get<ee_ecs::container>(state);
+    ee_ecs::container &miner_container = registry.get<ee_ecs::container>(miner);
+    ee_ecs::miner &miner_miner = registry.get<ee_ecs::miner>(miner);
+    
+    state_container.capacity = 15.0;
+    state_container.add(ee_ecs::RESOURCE_TYPE::COAL, 10.0);
+
+    miner_container.capacity = 0.05;
+    miner_miner.resource = ee_ecs::RESOURCE_TYPE::COAL;
+    miner_miner.value = 0.1;
+
+    ee_ecs::mining(registry);
+
+    ASSERT_DOUBLE_EQ(state_container.total, 9.95);
+    ASSERT_DOUBLE_EQ(state_container.content[ee_ecs::RESOURCE_TYPE::COAL], 9.95);
+    ASSERT_DOUBLE_EQ(miner_container.total, 0.05);
+    ASSERT_DOUBLE_EQ(miner_container.content[ee_ecs::RESOURCE_TYPE::COAL], 0.05);
+}

ECSAPI/Economy/test/test_conf.h

@@ -0,0 +1,33 @@
+#include "components/container.h"
+#include "components/enterprise.h"
+#include "components/miner.h"
+#include "components/tags.h"
+#include <entt/entt.hpp>
+#include <gtest/gtest.h>
+
+struct SystemsTest : testing::Test
+{
+    entt::registry registry;
+
+    entt::entity state;
+
+    entt::entity miner;
+
+    void SetUp()
+    {
+        // Create state
+        state = registry.create();
+        registry.emplace<ee_ecs::state>(state);
+        registry.emplace<ee_ecs::container>(state);
+
+        // Create miner enterprise
+        miner = registry.create();
+        registry.emplace<ee_ecs::enterprise>(miner, false, state);
+        registry.emplace<ee_ecs::miner>(miner);
+        registry.emplace<ee_ecs::container>(miner);
+    }
+
+    void TearDown()
+    {
+    }
+};

ECSAPI/vcpkg-configuration.json

@@ -0,0 +1,14 @@
+{
+  "default-registry": {
+    "kind": "git",
+    "baseline": "0cb95c860ea83aafc1b24350510b30dec535989a",
+    "repository": "https://github.com/microsoft/vcpkg"
+  },
+  "registries": [
+    {
+      "kind": "artifact",
+      "location": "https://github.com/microsoft/vcpkg-ce-catalog/archive/refs/heads/main.zip",
+      "name": "microsoft"
+    }
+  ]
+}

ECSAPI/vcpkg.json

@@ -0,0 +1,6 @@
+{
+	"dependencies": [
+		"entt",
+		"gtest"
+	]
+}