beginning of pathfinding implementation

2026-08-26 19:33:38 +00:00 · 2022-07-26 09:33:07 +03:00
parent 99a65a8d0c
commit a4da044b10
8 changed files with 168 additions and 14 deletions
@@ -5,15 +5,16 @@ set(CMAKE_BUILD_TYPE Debug)
 set(BUILD_TESTS ON)
 cmake_policy(SET CMP0015 NEW)

-set(states activeGameState.cpp inGameAppState.cpp guiAppState.cpp)
-set(util util.cpp binds.h)
-set(gui tooltip.cpp optionsButton.cpp exitButton.cpp consoleCommand.cpp)
-set(core gameManager.cpp main.cpp defConfigs.cpp)
-set(ships vessel.cpp destroyer.cpp cruiser.cpp aircraftCarrier.cpp submarine.cpp)
-set(projectiles projectile.cpp guidedMissile.cpp depthCharge.cpp missile.cpp shell.cpp torpedo.cpp)
-set(aircraft jet.cpp demoJet.cpp missileJet.cpp)
-set(fx explosion.cpp)
-set(content player.cpp unitDataManager.cpp unit.cpp map.cpp ${ships} ${projectiles} ${aircraft} ${fx})
+set(STATES activeGameState.cpp inGameAppState.cpp guiAppState.cpp)
+set(UTIL util.cpp binds.h)
+set(GUI tooltip.cpp optionsButton.cpp exitButton.cpp consoleCommand.cpp)
+set(CORE gameManager.cpp defConfigs.cpp)
+set(SHIPS vessel.cpp destroyer.cpp cruiser.cpp aircraftCarrier.cpp submarine.cpp)
+set(PROJECTILES projectile.cpp guidedMissile.cpp depthCharge.cpp missile.cpp shell.cpp torpedo.cpp)
+set(AIRCRAFT jet.cpp demoJet.cpp missileJet.cpp)
+set(FX explosion.cpp)
+set(CONTENT player.cpp unitDataManager.cpp unit.cpp pathfinder.cpp map.cpp ${SHIPS} ${PROJECTILES} ${AIRCRAFT} ${FX})
+set(GAME_SRC ${STATES} ${GUI} ${CORE} ${CONTENT} ${UTIL})

 set(SFML_DIR external/SFML)
 set(VB01_DIR external/vb01)
@@ -23,7 +24,7 @@ set(GAME_BASE_DIR external/gameBase)
 set(GLFW_DIR ${VB01_DIR}/external/glfw/)
 set(GAME_NAME battleship)

-add_executable(${GAME_NAME} ${states} ${gui} ${core} ${content} ${util})
+add_executable(${GAME_NAME} main.cpp ${GAME_SRC})

 target_include_directories(${GAME_NAME} PUBLIC ${FREETYPE_DIR}/include)

@@ -67,8 +68,12 @@ if(BUILD_TESTS)
 		link_directories(C:/Program\ Files\ \(x86\)/cppunit/lib)
 	endif()
 	
-	set(TEST_SRC testMain.cpp ${GAME_SRC})
+	set(TEST_SRC testMain.cpp pathfinderTest.cpp ${GAME_SRC})
+	set(TEST_NAME battleshipTests)
 	
-	add_executable(battleshipTests ${TEST_SRC})
-	target_link_libraries(battleshipTests ${DEPS} cppunit)
+	add_executable(${TEST_NAME} ${TEST_SRC})
+	target_include_directories(${TEST_NAME} PUBLIC ${VB01_DIR})
+	target_include_directories(${TEST_NAME} PUBLIC ${VB01_GUI_DIR})
+	target_include_directories(${TEST_NAME} PUBLIC ${GAME_BASE_DIR})
+	target_link_libraries(${TEST_NAME} ${DEPS} cppunit)
 endif()
@@ -125,9 +125,12 @@ namespace battleship{
 				for(int i = 0; i < numCellsByDim[0]; i++){
 					cells[i] = new GraphNode*[numCellsByDim[1]];

-					for(int j = 0; j < numCellsByDim[1]; j++){
+					for(int j = 0; j < numCellsByDim[1]; j++)
 						cells[i][j] = new GraphNode[numCellsByDim[2]];
+				}

+				for(int i = 0; i < numCellsByDim[0]; i++){
+					for(int j = 0; j < numCellsByDim[1]; j++){
 						for(int k = 0; k < numCellsByDim[2]; k++){
 								GraphNode::Type type = GraphNode::SEA;

@@ -138,6 +141,32 @@ namespace battleship{
 						}
 					}
 				}
+
+				int numCells = numCellsByDim[0] * numCellsByDim[1] * numCellsByDim[2];
+				weights = new int*[numCells];
+
+				for(int i = 0; i < numCells; i++){
+						weights[i] = new int[numCells];
+						int x1 = i / numCellsByDim[2] / numCellsByDim[1];
+						int y1 = i / numCellsByDim[2] % numCellsByDim[1];
+						int z1 = i % numCellsByDim[2];
+
+						for(int j = 0; j < numCells; j++){
+								int x2 = j / numCellsByDim[2] / numCellsByDim[1];
+								int y2 = j / numCellsByDim[2] % numCellsByDim[1];
+								int z2 = j % numCellsByDim[2];
+								int weight;
+
+								if(abs(x1 - x2) == 1 || abs(y1 - y2) == 1 || abs(z1 - z2) == 1)
+										weight = 1;
+								else if(x1 == x2 && y1 == y2 && z1 == z2)
+										weight = 0;
+								else
+										weight = -1;
+
+								weights[i][j] = weight;
+						}
+				}
 		}

    void Map::unload() {}
@@ -31,6 +31,7 @@ namespace battleship{
 			std::string mapName;
 			float cellSize = 1;
 			GraphNode*** cells = nullptr;
+			int **weights = nullptr;

 		void loadSkybox(gameBase::LuaManager*);
 		void loadTerrain(gameBase::LuaManager*);
@@ -0,0 +1,28 @@
+#include "pathfinder.h"
+
+namespace battleship{
+		using namespace std;
+
+		static Pathfinder *pathfinder = nullptr;
+
+		Pathfinder* Pathfinder::getSingleton(){
+				if(!pathfinder)
+						pathfinder = new Pathfinder();
+
+				return pathfinder;
+		}
+
+		Pathfinder::Pathfinder(){
+		}
+
+		vector<int> Pathfinder::findPath(int **weights, int size, int source, int sink){
+				int pathWeights[size];
+				pathWeights[0] = 0;
+
+				for(int i = 1; i < size; i++)
+						pathWeights[i] = -1;
+
+				vector<int> path;
+				return path;
+		}
+}
@@ -0,0 +1,16 @@
+#ifndef PATHFINDER_H
+#define PATHFINDER_H
+
+#include <vector>
+
+namespace battleship{
+		class Pathfinder{
+				public:
+						static Pathfinder* getSingleton();
+						std::vector<int> findPath(int**, int, int, int);
+				private:
+						Pathfinder();
+		};
+}
+
+#endif
@@ -0,0 +1,46 @@
+#include "pathfinderTest.h"
+#include "pathfinder.h"
+
+#include <vector>
+
+namespace battleship{
+		using namespace std;
+
+		void PathfinderTest::testFindPath(){
+				int size = 7;
+				int w[size][size] = {
+						{0, 2, 4, -1, -1, -1, -1},
+						{-1, 0, 1, 9, 13, -1, -1},
+						{-1, 2, 0, -1, 4, 5, -1},
+						{-1, -1, -1, 0, -1, -1, 1},
+						{1, -1, -1, 1, 0, -1, 3},
+						{-1, -1, -1, -1, 9, 0, 2},
+						{-1, -1, -1, -1, -1, -1, 0}
+				};
+				int **weights = new int*[size];
+
+				for(int i = 0; i < size; i++){
+						weights[i] = new int[size];
+
+						for(int j = 0; j < size; j++)
+								weights[i][j] = w[i][j];
+				}
+
+				vector<int> path = pathfinder->findPath(weights, size, 0, size - 1);
+				CPPUNIT_ASSERT(path.size() == 6);
+
+				int sumPathWeights = 0;
+
+				for(int p : path)
+						sumPathWeights += p;
+
+				CPPUNIT_ASSERT(sumPathWeights == 9);
+		}
+
+		void PathfinderTest::setUp(){
+				pathfinder = Pathfinder::getSingleton();
+		}
+
+		void PathfinderTest::tearDown(){
+		}
+}
@@ -0,0 +1,25 @@
+#ifndef PATHFINDER_TEST_H
+#define PATHFINDER_TEST_H
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+namespace battleship{
+		class Pathfinder;
+
+		class PathfinderTest : public CppUnit::TestFixture{
+				CPPUNIT_TEST_SUITE(PathfinderTest);
+				CPPUNIT_TEST(testFindPath);
+				CPPUNIT_TEST_SUITE_END();
+
+				public:
+						PathfinderTest(){}
+						void testFindPath();
+						void setUp();
+						void tearDown();
+				private:
+						Pathfinder *pathfinder = nullptr;
+		};
+}
+
+#endif
@@ -3,10 +3,14 @@
 #include <cppunit/TestCaller.h>
 #include <cppunit/ui/text/TestRunner.h>

+#include "pathfinderTest.h"
+
 using namespace CppUnit;
+using namespace battleship;

 int main(){
 	TextUi::TestRunner runner;
+	runner.addTest(PathfinderTest::suite());
 	runner.run();
 	return 0;
 }