mirror of https://github.com/jonthysell/MacLO.git
1 line
1.9 KiB
C
1 line
1.9 KiB
C
// Copyright (c) Jon Thysell <http://jonthysell.com>
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// Licensed under the MIT License.
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#include "Common.h"
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#include "GameEngine.h"
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const int8_t PuzzleSize = 5;
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const uint8_t MaxStars = 3;
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const uint8_t MaxHalfStars = 6;
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const uint8_t MinHalfStars = 1;
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const uint16_t PerfectScore = 300; // LevelCount * MaxHalfStars
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void GameEngine_LoadLevel(GameEngine *engine, const int8_t level, const bool setB)
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{
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engine->Level = Levels_BoundLevel(level);
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engine->Lights = Levels_GetLightsForLevel(engine->Level, setB);
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engine->Par = Levels_GetParForLevel(engine->Level);
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engine->Moves = 0;
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}
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bool GameEngine_GetLight(const GameEngine *engine, const int8_t x, const int8_t y)
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{
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if (x >= 0 && x < PuzzleSize && y >= 0 && y < PuzzleSize)
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{
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return bitRead(engine->Lights, y * PuzzleSize + x);
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}
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return false;
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}
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bool GameEngine_IsCompleted(const GameEngine *engine)
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{
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return engine->Lights == 0;
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}
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uint8_t GameEngine_GetHalfStars(const GameEngine *engine)
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{
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uint8_t halfStarsLost = engine->Moves <= engine->Par ? 0 : max(0, (1 + engine->Moves - engine->Par) / 2);
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return max(MinHalfStars, MaxHalfStars - halfStarsLost);
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}
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void GameEngine_ToggleSingleLight(GameEngine *engine, const int8_t x, const int8_t y)
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{
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if (x >= 0 && x < PuzzleSize && y >= 0 && y < PuzzleSize)
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{
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bitToggle(engine->Lights, y * PuzzleSize + x);
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}
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}
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void GameEngine_ToggleLights(GameEngine *engine, const int8_t x, const int8_t y)
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{
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int8_t targetX = max(0, min(x, PuzzleSize - 1));
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int8_t targetY = max(0, min(y, PuzzleSize - 1));
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GameEngine_ToggleSingleLight(engine, targetX, targetY);
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GameEngine_ToggleSingleLight(engine, targetX + 1, targetY);
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GameEngine_ToggleSingleLight(engine, targetX, targetY + 1);
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GameEngine_ToggleSingleLight(engine, targetX - 1, targetY);
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GameEngine_ToggleSingleLight(engine, targetX, targetY - 1);
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engine->Moves++;
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}
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