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Game.cpp
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Game.cpp
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/*
===============================================================================
Copyright (C) 2015-2023 Ilya Lyakhovets
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
===============================================================================
*/
#include "Main.h"
#include "Game.h"
/*
===================
Game::Game
===================
*/
Game::Game()
{
state = State::NONE;
currentLevel = 1;
currentBlock = 1;
episodeAlreadyExists = false;
gameCompleted = false;
for (int i = 0; i < LEVEL_WIDTH; i++)
for (int j = 0; j < LEVEL_HEIGHT; j++)
path[i][j] = MOVE_BLOCKED;
}
/*
===================
Game::Init
===================
*/
bool Game::Init()
{
LIB_CHECK(engine->GetTexture(t_moveBlocked, DATA_PACK "Textures/MoveBlocked.tga"));
LIB_CHECK(engine->GetTexture(t_movePath, DATA_PACK "Textures/MovePath.tga"));
LIB_CHECK(engine->GetTexture(t_move, DATA_PACK "Textures/Move.tga"));
LIB_CHECK(engine->GetTexture(t_moveBox, DATA_PACK "Textures/MoveBox.tga"));
LIB_CHECK(engine->GetTexture(t_box, DATA_PACK "Textures/Box.tga"));
LIB_CHECK(engine->GetTexture(t_endpoint, DATA_PACK "Textures/Endpoint.tga"));
LIB_CHECK(engine->GetTexture(t_wall, DATA_PACK "Textures/Wall.tga"));
LIB_CHECK(engine->GetTexture(t_floor, DATA_PACK "Textures/Floor.tga"));
LIB_CHECK(engine->GetTexture(t_backgrounds, DATA_PACK "Textures/Background.tga"));
LIB_CHECK(engine->GetSprite(t_robot, DATA_PACK "Textures/Robot/Robot.tga"));
LIB_CHECK(engine->GetSound(s_move, DATA_PACK "Sounds/Move.wav"));
LIB_CHECK(engine->GetSound(s_levelComplete, DATA_PACK "Sounds/LevelComplete.wav"));
t_robot->SetDuration(ROBOT_DURATION);
t_robot->Play();
moveMouseDelay = cfg.GetFloat("MoveMouseDelay", MOVE_DELAY);
moveKeyDelay = cfg.GetFloat("MoveKeyDelay", KEY_DELAY);
return true;
}
/*
===================
Game::Draw
===================
*/
void Game::Draw()
{
if (state == State::EDITOR_NEW_NAME)
{
font->SetAlign(LIB_CENTER);
font->SetColor(LIB_COLOR_WHITE);
font->SetSize(libCast<int>(screenSize.y * FONT_MENU_H2_SIZE));
font->Print2D(screenSize.x / 2.0f, font->GetLineSpacing(), "Please enter your episode name.");
font->Print2D(screenSize.x / 2.0f, screenSize.y / 2.0f, episode.name.Get());
if (episodeAlreadyExists)
{
font->SetColor(LIB_COLOR_RED);
font->SetSize(libCast<int>(screenSize.y * FONT_MENU_TEXT_SIZE));
font->Print2D(screenSize.x / 2.0f, screenSize.y - font->GetLineSpacing(), "Episode with given name already exists!");
}
return;
}
if (screenSize.x > screenSize.y)
{
tileSize.y = libCast<float>(screenSize.y / LEVEL_HEIGHT);
tileSize.x = tileSize.y;
}
else
{
tileSize.x = libCast<float>(screenSize.x / LEVEL_WIDTH);
tileSize.y = tileSize.x;
}
libVec2 hoverOver(gameScreen.x + mouse.x * tileSize.x, gameScreen.y + mouse.y * tileSize.y);
libColor transparentColor(1.0f, 1.0f, 1.0f, 0.75f);
libColor darkenedColor(0.75f, 0.75f, 0.75f, 1.0f);
libQuad block(libVertex(libVec2(0.0f, 0.0f), libVec2(0.0f, 0.0f)), libVertex(tileSize, libVec2(1.0f, 1.0f)));
libQuad blockInEndpoint(libVertex(libVec2(0.0f, 0.0f), libVec2(0.0f, 0.0f)), libVertex(tileSize, libVec2(1.0f, 1.0f)));
libQuad blockTransparent(libVertex(libVec2(0.0f, 0.0f), libVec2(0.0f, 0.0f)), libVertex(tileSize, libVec2(1.0f, 1.0f)));
blockInEndpoint.Set(darkenedColor);
blockTransparent.Set(transparentColor);
// Level
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
float x = libCast<float>(gameScreen.x + i * tileSize.x);
float y = libCast<float>(gameScreen.y + j * tileSize.y);
// Floor
if (GetLevel().Get(i, j).floor) t_floor->Draw2DQuad(block, x, y);
// Blocks
switch (GetLevel().Get(i, j).type)
{
case Block::ROBOT:
{
t_robot->Draw2DQuad(block, x, y);
break;
}
case Block::BOX:
{
t_box->Draw2DQuad(block, x, y);
break;
}
case Block::WALL:
{
t_wall->Draw2DQuad(block, x, y);
break;
}
case Block::ENDPOINT:
{
t_endpoint->Draw2DQuad(block, x, y);
break;
}
case Block::BOX_ON_ENDPOINT:
{
t_endpoint->Draw2DQuad(block, x, y);
t_box->Draw2DQuad(blockInEndpoint, x, y);
break;
}
case Block::ROBOT_ON_ENDPOINT:
{
t_endpoint->Draw2DQuad(block, x, y);
t_robot->Draw2DQuad(block, x, y);
break;
}
}
// Path points
if ((state == State::GAME || state == State::EDITOR_PLAY) && path[i][j] > 0)
{
t_movePath->Draw2DQuad(block, x, y);
}
}
}
if (IsCursorInField())
{
if (state == State::GAME || state == State::EDITOR_PLAY)
{
// Game cursor
int temp[LEVEL_WIDTH][LEVEL_HEIGHT];
moveType_t result = FindPath(temp, mouse.x, mouse.y);
switch (result)
{
case MOVE:
{
t_move->Draw2DQuad(block, hoverOver.x, hoverOver.y);
break;
}
case MOVE_BOX:
{
t_moveBox->Draw2DQuad(block, hoverOver.x, hoverOver.y);
break;
}
case MOVE_BLOCKED:
{
t_moveBlocked->Draw2DQuad(block, hoverOver.x, hoverOver.y);
break;
}
}
}
else if (state == State::EDITOR)
{
// Brush tool
switch (currentBlock)
{
case Block::ROBOT:
{
t_robot->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
break;
}
case Block::BOX:
{
t_box->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
break;
}
case Block::WALL:
{
t_wall->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
break;
}
case Block::ENDPOINT:
{
t_endpoint->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
break;
}
case Block::BOX_ON_ENDPOINT:
{
libQuad blockInEndpointTransparent(blockInEndpoint);
blockInEndpointTransparent.v[0].color.alpha = blockTransparent.v[0].color.alpha;
blockInEndpointTransparent.v[1].color.alpha = blockTransparent.v[0].color.alpha;
blockInEndpointTransparent.v[2].color.alpha = blockTransparent.v[0].color.alpha;
blockInEndpointTransparent.v[3].color.alpha = blockTransparent.v[0].color.alpha;
t_endpoint->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
t_box->Draw2DQuad(blockInEndpointTransparent, hoverOver.x, hoverOver.y);
break;
}
case Block::ROBOT_ON_ENDPOINT:
{
t_endpoint->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
t_robot->Draw2DQuad(blockTransparent, hoverOver.x, hoverOver.y);
break;
}
}
}
}
}
/*
===================
Game::Update
===================
*/
void Game::Update()
{
if (state == State::EDITOR_NEW_NAME)
{
char c = engine->GetKeyValue(engine->GetKey());
if (c)
{
episodeAlreadyExists = false;
episode.name.Append(c);
}
if (engine->IsKeyPressed(LIBK_BACKSPACE))
{
episodeAlreadyExists = false;
episode.name.Erase(episode.name.Length() - 1);
}
if (engine->IsKeyPressed(LIBK_ENTER))
{
episode.filepath = episode.name;
episode.filepath.Replace(" ", "_");
episode.filepath.Append(".lvl");
episode.filepath.Insert(CUSTOM_LEVELS_PATH, 0);
libDir::Create(CUSTOM_LEVELS_PATH);
if (!libFile::Exists(episode.filepath.Get()))
{
state = State::EDITOR;
SaveEpisode();
}
else
{
episodeAlreadyExists = true;
}
}
return;
}
engine->GetMousePos(mouse.x, mouse.y);
mouse -= gameScreen;
if (mouse.x >= 0 && mouse.y >= 0 && mouse.x < gameScreenSize.x && mouse.y < gameScreenSize.y)
{
mouse.x = libCast<int>(mouse.x / tileSize.x);
mouse.y = libCast<int>(mouse.y / tileSize.y);
}
else
{
mouse.Set(-1, -1);
}
// Switches to Game/Editor modes (Only for editor)
#ifdef LIB_DEBUG
if (engine->IsKey(LIBK_CTRL))
#else
if ((GetState() == State::EDITOR || GetState() == State::EDITOR_PLAY) && engine->IsKey(LIBK_CTRL))
#endif
{
if (engine->IsKeyPressed(LIBK_G))
{
SetState((GetState() == State::GAME || state == State::EDITOR_PLAY) ? State::EDITOR : State::EDITOR_PLAY);
}
}
if ((state == State::GAME) || (state == State::EDITOR_PLAY))
GameUpdate();
else if (state == State::EDITOR)
EditorUpdate();
}
/*
===================
Game::GameUpdate
===================
*/
void Game::GameUpdate()
{
auto &level = GetLevel();
libVec2i currentCoord(robot.x, robot.y);
auto ¤t = level.Get(currentCoord.x, currentCoord.y).type;
engine->SetState(LIB_WINDOW_TITLE, libFormat("Pusher - %s - Level: %d", episode.name.Get(), currentLevel));
bool levelCompleted = true;
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
if (level.Get(i, j).type == Block::ENDPOINT || level.Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
{
levelCompleted = false;
}
}
}
#ifdef LIB_DEBUG
if (engine->IsKey(LIBK_CTRL) && engine->IsKeyPressed(LIBK_ENTER))
levelCompleted = true;
#endif
if (levelCompleted)
{
if (currentLevel == episode.levels.Size())
{
if (state == State::EDITOR_PLAY)
state = State::EDITOR;
else
gameCompleted = true;
}
if (state != State::EDITOR_PLAY)
{
if (episode.unlocked.Get() == currentLevel)
episode.unlocked = currentLevel + 1;
// Saves the current number of unlocked levels
libStr folderPath;
libDir::GetLocalDataLocation(folderPath);
folderPath.Append("/Pusher/Saves");
libStr baseName;
episode.filepath.ExtractBaseName(baseName);
libStr filepath(folderPath);
filepath.Append("/");
filepath.Append(baseName);
filepath.Append(".sav");
libDir::Create(folderPath.Get());
libFile save(filepath.Get(), libFile::Mode::WriteBin);
libHolder<int> levelsSize(episode.levels.Size());
libHolder<int> temp(episode.unlocked.Get());
save.Write(&levelsSize, sizeof(libHolder<int>), 1);
save.Write(&temp, sizeof(libHolder<int>), 1);
save.Close();
}
s_levelComplete->Play();
NextLevel();
}
if (engine->IsKey(LIBK_CTRL))
{
if (engine->IsKeyPressed(LIBK_R)) RestartLevel();
if (engine->IsKeyPressed(LIBK_LBRACKET)) PreviousLevel();
if (engine->IsKeyPressed(LIBK_RBRACKET)) NextLevel();
// Undo the latest move
if (engine->IsKeyPressed(LIBK_Z))
{
if (!history.IsEmpty())
{
GetLevel() = history.Get();
history.Pop();
s_move->Play();
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
path[i][j] = MOVE_BLOCKED;
if (GetLevel().Get(i, j).type == Block::ROBOT || GetLevel().Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
{
robot.x = i;
robot.y = j;
}
}
}
}
}
}
enum moveDirection
{
None,
Up,
Down,
Left,
Right
};
moveDirection moveKeyDir = None;
static moveDirection movePressedKeyDir = None;
static libVec2i mouseTarget(-1, -1);
bool canMoveByMouse = (moveTimer.GetMilliseconds() >= moveMouseDelay);
bool canMoveByKey = (moveTimer.GetMilliseconds() >= moveKeyDelay);
// Sets a path from the robot to the mouse cursor position
if (engine->IsKeyPressed(LIBK_MOUSE_LEFT))
{
mouseTarget.Set(mouse.x, mouse.y);
FindPath(path, mouse.x, mouse.y);
}
// Determines which way to move the robot based on a new pressed key
if (engine->IsKeyPressed(LIBK_UP) || engine->IsKeyPressed(LIBK_W)) movePressedKeyDir = Up;
if (engine->IsKeyPressed(LIBK_DOWN) || engine->IsKeyPressed(LIBK_S)) movePressedKeyDir = Down;
if (engine->IsKeyPressed(LIBK_LEFT) || engine->IsKeyPressed(LIBK_A)) movePressedKeyDir = Left;
if (engine->IsKeyPressed(LIBK_RIGHT) || engine->IsKeyPressed(LIBK_D)) movePressedKeyDir = Right;
// If the robot moves to the target after pressing the mouse
if (mouseTarget.x >= 0 && mouseTarget.y >= 0)
{
// If the robot reached the target
if (path[mouseTarget.x][mouseTarget.y] == MOVE_BLOCKED) mouseTarget.Set(-1, -1);
// Stops moving the robot along a path if moving the robot manually
if ((moveKeyDir || movePressedKeyDir) && path[mouseTarget.x][mouseTarget.y] >= 0)
{
for (int i = 0; i < LEVEL_WIDTH; i++)
for (int j = 0; j < LEVEL_HEIGHT; j++)
path[i][j] = MOVE_BLOCKED;
// Allows to move the robot manually without a delay
canMoveByKey = true;
}
}
// Determines which final way to move the robot based on the keyboard
if (canMoveByKey)
{
// Did a new key get pressed?
if (movePressedKeyDir)
{
moveKeyDir = movePressedKeyDir;
movePressedKeyDir = None;
}
else
{
if (engine->IsKey(LIBK_UP) || engine->IsKey(LIBK_W)) moveKeyDir = Up;
if (engine->IsKey(LIBK_DOWN) || engine->IsKey(LIBK_S)) moveKeyDir = Down;
if (engine->IsKey(LIBK_LEFT) || engine->IsKey(LIBK_A)) moveKeyDir = Left;
if (engine->IsKey(LIBK_RIGHT) || engine->IsKey(LIBK_D)) moveKeyDir = Right;
}
}
// Moves the robot up
if (((path[robot.x][robot.y - 1] > path[robot.x][robot.y] && canMoveByMouse) || moveKeyDir == Up) && robot.y > 0)
{
moveTimer.Restart();
libVec2i targetCoord(robot.x, robot.y - 1);
libVec2i afterCoord(robot.x, robot.y - 2);
auto &target = level.Get(targetCoord.x, targetCoord.y).type;
auto &after = level.Get(afterCoord.x, afterCoord.y).type;
bool historySaved = false;
// Moves a box
if ((target == Block::BOX || target == Block::BOX_ON_ENDPOINT) && (after == Block::EMPTY || after == Block::ENDPOINT))
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (target == Block::BOX) level.Set(targetCoord.x, targetCoord.y, Block::EMPTY);
if (target == Block::BOX_ON_ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ENDPOINT);
if (after == Block::EMPTY) level.Set(afterCoord.x, afterCoord.y, Block::BOX);
if (after == Block::ENDPOINT) level.Set(afterCoord.x, afterCoord.y, Block::BOX_ON_ENDPOINT);
}
// Moves the robot
if (target == Block::EMPTY || target == Block::ENDPOINT)
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (current == Block::ROBOT) level.Set(currentCoord.x, currentCoord.y, Block::EMPTY);
if (current == Block::ROBOT_ON_ENDPOINT) level.Set(currentCoord.x, currentCoord.y, Block::ENDPOINT);
if (target == Block::EMPTY) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT);
if (target == Block::ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT_ON_ENDPOINT);
robot.y--;
path[robot.x][robot.y] = MOVE_BLOCKED;
s_move->Play();
}
}
// Moves the robot down
else if (((path[robot.x][robot.y + 1] > path[robot.x][robot.y] && canMoveByMouse) || moveKeyDir == Down) && robot.y < LEVEL_HEIGHT - 1)
{
moveTimer.Restart();
libVec2i targetCoord(robot.x, robot.y + 1);
libVec2i afterCoord(robot.x, robot.y + 2);
auto &target = level.Get(targetCoord.x, targetCoord.y).type;
auto &after = level.Get(afterCoord.x, afterCoord.y).type;
bool historySaved = false;
// Moves a box
if ((target == Block::BOX || target == Block::BOX_ON_ENDPOINT) && (after == Block::EMPTY || after == Block::ENDPOINT))
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (target == Block::BOX) level.Set(targetCoord.x, targetCoord.y, Block::EMPTY);
if (target == Block::BOX_ON_ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ENDPOINT);
if (after == Block::EMPTY) level.Set(afterCoord.x, afterCoord.y, Block::BOX);
if (after == Block::ENDPOINT) level.Set(afterCoord.x, afterCoord.y, Block::BOX_ON_ENDPOINT);
}
// Moves the robot
if (target == Block::EMPTY || target == Block::ENDPOINT)
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (current == Block::ROBOT) level.Set(currentCoord.x, currentCoord.y, Block::EMPTY);
if (current == Block::ROBOT_ON_ENDPOINT) level.Set(currentCoord.x, currentCoord.y, Block::ENDPOINT);
if (target == Block::EMPTY) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT);
if (target == Block::ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT_ON_ENDPOINT);
robot.y++;
path[robot.x][robot.y] = MOVE_BLOCKED;
s_move->Play();
}
}
// Moves the robot left
else if (((path[robot.x - 1][robot.y] > path[robot.x][robot.y] && canMoveByMouse) || moveKeyDir == Left) && robot.x > 0)
{
moveTimer.Restart();
libVec2i targetCoord(robot.x - 1, robot.y);
libVec2i afterCoord(robot.x - 2, robot.y);
auto &target = level.Get(targetCoord.x, targetCoord.y).type;
auto &after = level.Get(afterCoord.x, afterCoord.y).type;
bool historySaved = false;
// Moves a box
if ((target == Block::BOX || target == Block::BOX_ON_ENDPOINT) && (after == Block::EMPTY || after == Block::ENDPOINT))
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (target == Block::BOX) level.Set(targetCoord.x, targetCoord.y, Block::EMPTY);
if (target == Block::BOX_ON_ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ENDPOINT);
if (after == Block::EMPTY) level.Set(afterCoord.x, afterCoord.y, Block::BOX);
if (after == Block::ENDPOINT) level.Set(afterCoord.x, afterCoord.y, Block::BOX_ON_ENDPOINT);
}
// Moves the robot
if (target == Block::EMPTY || target == Block::ENDPOINT)
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (current == Block::ROBOT) level.Set(currentCoord.x, currentCoord.y, Block::EMPTY);
if (current == Block::ROBOT_ON_ENDPOINT) level.Set(currentCoord.x, currentCoord.y, Block::ENDPOINT);
if (target == Block::EMPTY) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT);
if (target == Block::ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT_ON_ENDPOINT);
robot.x--;
path[robot.x][robot.y] = MOVE_BLOCKED;
s_move->Play();
}
}
// Moves the robot right
else if (((path[robot.x + 1][robot.y] > path[robot.x][robot.y] && canMoveByMouse) || moveKeyDir == Right) && robot.x < LEVEL_WIDTH - 1)
{
moveTimer.Restart();
libVec2i targetCoord(robot.x + 1, robot.y);
libVec2i afterCoord(robot.x + 2, robot.y);
auto &target = level.Get(targetCoord.x, targetCoord.y).type;
auto &after = level.Get(afterCoord.x, afterCoord.y).type;
bool historySaved = false;
// Moves a box
if ((target == Block::BOX || target == Block::BOX_ON_ENDPOINT) && (after == Block::EMPTY || after == Block::ENDPOINT))
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (target == Block::BOX) level.Set(targetCoord.x, targetCoord.y, Block::EMPTY);
if (target == Block::BOX_ON_ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ENDPOINT);
if (after == Block::EMPTY) level.Set(afterCoord.x, afterCoord.y, Block::BOX);
if (after == Block::ENDPOINT) level.Set(afterCoord.x, afterCoord.y, Block::BOX_ON_ENDPOINT);
}
// Moves the robot
if (target == Block::EMPTY || target == Block::ENDPOINT)
{
if (!historySaved)
{
history.Push(GetLevel());
historySaved = true;
}
if (current == Block::ROBOT) level.Set(currentCoord.x, currentCoord.y, Block::EMPTY);
if (current == Block::ROBOT_ON_ENDPOINT) level.Set(currentCoord.x, currentCoord.y, Block::ENDPOINT);
if (target == Block::EMPTY) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT);
if (target == Block::ENDPOINT) level.Set(targetCoord.x, targetCoord.y, Block::ROBOT_ON_ENDPOINT);
robot.x++;
path[robot.x][robot.y] = MOVE_BLOCKED;
s_move->Play();
}
}
}
/*
===================
Game::EditorUpdate
===================
*/
void Game::EditorUpdate()
{
auto &level = GetLevel();
if (IsCursorInField())
{
engine->SetState(LIB_WINDOW_TITLE, libFormat("Pusher Editor: Level: %d (%d:%d)", currentLevel, mouse.x + 1, mouse.y + 1));
}
else
{
engine->SetState(LIB_WINDOW_TITLE, libFormat("Pusher Editor: Level: %d", currentLevel));
}
if (engine->IsKey(LIBK_CTRL))
{
if (engine->IsKeyPressed(LIBK_A)) AddLevel();
if (engine->IsKeyPressed(LIBK_S)) SaveEpisode();
if (engine->IsKeyPressed(LIBK_D)) DeleteLevel();
if (engine->IsKeyPressed(LIBK_LBRACKET)) PreviousLevel();
if (engine->IsKeyPressed(LIBK_RBRACKET)) NextLevel();
// Shifts the current level in the current episode to the start
if (engine->IsKeyPressed(LIBK_Q))
{
if (currentLevel > 1)
{
Level temp(episode.levels[currentLevel - 1]);
episode.levels[currentLevel - 1] = episode.levels[currentLevel - 2];
episode.levels[currentLevel - 2] = temp;
currentLevel--;
}
}
// Shifts the current level in the current episode to the end
if (engine->IsKeyPressed(LIBK_E))
{
if (currentLevel < episode.levels.Size())
{
Level temp(episode.levels[currentLevel - 1]);
episode.levels[currentLevel - 1] = episode.levels[currentLevel];
episode.levels[currentLevel] = temp;
currentLevel++;
}
}
// Makes a copy of a level
if (engine->IsKeyPressed(LIBK_C))
{
int temp = currentLevel;
AddLevel();
episode.levels[currentLevel - 1] = episode.levels[temp - 1];
}
// Undo the latest change
if (engine->IsKeyPressed(LIBK_Z))
{
if (!history.IsEmpty())
{
GetLevel() = history.Get();
history.Pop();
}
}
}
if (engine->IsKeyPressed(LIBK_UP)) GetLevel().ShiftUp();
if (engine->IsKeyPressed(LIBK_DOWN)) GetLevel().ShiftDown();
if (engine->IsKeyPressed(LIBK_LEFT)) GetLevel().ShiftLeft();
if (engine->IsKeyPressed(LIBK_RIGHT)) GetLevel().ShiftRight();
// The easiest fix for the touchpad as it has scrolling inertia and switches brush types way too fast
static int wheelZeros = 0;
static bool wheelZero = true;
wheelZeros = (engine->GetMouseWheel() ? 0 : (wheelZeros <= 2 ? wheelZeros + 1 : wheelZeros));
if (wheelZeros > 2) wheelZero = true;
// Switches brush types - Mouse wheel up
if (engine->GetMouseWheel() > 0 && wheelZero)
{
wheelZero = false;
currentBlock++;
if (currentBlock == Block::TYPE_SIZE)
{
currentBlock = Block::EMPTY;
currentBlock++;
}
}
// Mouse wheel down
else if (engine->GetMouseWheel() < 0 && wheelZero)
{
wheelZero = false;
currentBlock--;
if (currentBlock == Block::EMPTY)
{
currentBlock = Block::TYPE_SIZE;
currentBlock--;
}
}
if (IsCursorInField())
{
// Adds the current block to the current level
if (engine->IsKey(LIBK_MOUSE_LEFT) && level.Get(mouse.x, mouse.y).type != (Block::Type)currentBlock)
{
history.Push(episode.levels[currentLevel - 1]);
// Doesn't allow to have more than one robot per a level
if (currentBlock == Block::ROBOT || currentBlock == Block::ROBOT_ON_ENDPOINT)
{
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
if (level.Get(i, j).type == Block::ROBOT || level.Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
{
level.Set(i, j, Block::EMPTY);
}
}
}
}
level.Set(mouse.x, mouse.y, (Block::Type)currentBlock);
}
// Clears a block from the current level
if (engine->IsKey(LIBK_MOUSE_RIGHT) && level.Get(mouse.x, mouse.y).type != Block::EMPTY)
{
if (level.Get(mouse.x, mouse.y).type == Block::ROBOT) robot.Set(-1, -1);
history.Push(episode.levels[currentLevel - 1]);
level.Set(mouse.x, mouse.y, Block::EMPTY);
}
}
}
/*
===================
Game::SetState
===================
*/
void Game::SetState(Game::State state)
{
this->state = state;
history.PopAll();
gameCompleted = false;
if (state == State::GAME || state == State::EDITOR_PLAY)
RestartLevel();
}
/*
===================
Game::SetEpisode
===================
*/
void Game::SetEpisode(const Episode &episode)
{
Reset();
this->episode = episode;
SetLevel(1);
}
/*
===================
Game::SaveEpisode
===================
*/
void Game::SaveEpisode(const char *path)
{
if (state != State::EDITOR) return;
// If filepath is unknown, then asks for a new episode name
if (!path && episode.filepath.IsEmpty())
{
state = State::EDITOR_NEW_NAME;
return;
}
libFile lvl(path ? path : episode.filepath.Get(), libFile::Mode::WriteBin);
if (!lvl.IsOpened()) return;
int numOfLevels = episode.levels.Size();
lvl.Write(&numOfLevels, sizeof(int), 1);
for (auto &level : episode.levels)
{
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
lvl.Write(&level.Get(i, j), sizeof(Block::Type), 1);
}
}
}
lvl.Close();
// Checks whether levels were completed or not
for (int n = 1; auto & level : episode.levels)
{
bool hasRobot = false;
int boxes = 0;
int endpoints = 0;
const char *title = "Episode is saved, but not fully completed!";
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
if (level.Get(i, j).type == Block::ROBOT || level.Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
hasRobot = true;
if (level.Get(i, j).type == Block::BOX)
boxes++;
else if (level.Get(i, j).type == Block::ENDPOINT || level.Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
endpoints++;
}
}
if (!hasRobot)
{
libDialog::Warning(title, libFormat("The robot is missing on level %d.", n));
break;
}
if (boxes != endpoints)
{
libDialog::Warning(title, libFormat("The amount of boxes and endpoints on level %d are not equal.", n));
break;
}
n++;
}
s_move->Play();
}
/*
===================
Game::Reset
===================
*/
void Game::Reset()
{
state = State::NONE;
episode.Clear();
gameLevel.Clear();
history.PopAll();
currentLevel = 1;
gameCompleted = false;
}
/*
===================
Game::RestartLevel
===================
*/
void Game::RestartLevel()
{
if (state != State::GAME && state != State::EDITOR_PLAY) return;
gameLevel = episode.levels[currentLevel - 1];
history.PopAll();
robot.Set(-1, -1);
for (int i = 0; i < LEVEL_WIDTH; i++)
{
for (int j = 0; j < LEVEL_HEIGHT; j++)
{
path[i][j] = MOVE_BLOCKED;
if (gameLevel.Get(i, j).type == Block::ROBOT || gameLevel.Get(i, j).type == Block::ROBOT_ON_ENDPOINT)
{
robot.x = i;
robot.y = j;
}
}
}
moveTimer.Restart();
}
/*
===================
Game::SetLevel
===================
*/
void Game::SetLevel(int level)
{
if (level <= 0) level = 1;
if (level > episode.levels.Size()) return;
currentLevel = level;
RestartLevel();
}
/*
===================
Game::PreviousLevel
===================
*/
void Game::PreviousLevel()
{
SetLevel(currentLevel - 1);
}
/*
===================
Game::NextLevel
===================