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* wrapped ruleset * resurrect like brad suggested * introduce mode to binary * go fmt * address edge crossing collision and eating bugs * Update board_state.go * removed binary * rename variable
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,66 @@ | ||
package rules | ||
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type WrappedRuleset struct { | ||
StandardRuleset | ||
} | ||
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func replace(value, min, max int32) int32 { | ||
if value < min { | ||
return max | ||
} | ||
if value > max { | ||
return min | ||
} | ||
return value | ||
} | ||
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func (r *WrappedRuleset) CreateNextBoardState(prevState *BoardState, moves []SnakeMove) (*BoardState, error) { | ||
nextState := prevState.Clone() | ||
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err := r.moveSnakes(nextState, moves) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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err = r.reduceSnakeHealth(nextState) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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err = r.maybeDamageHazards(nextState) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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err = r.maybeFeedSnakes(nextState) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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err = r.maybeSpawnFood(nextState) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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err = r.maybeEliminateSnakes(nextState) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return nextState, nil | ||
} | ||
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func (r *WrappedRuleset) moveSnakes(b *BoardState, moves []SnakeMove) error { | ||
err := r.StandardRuleset.moveSnakes(b, moves) | ||
if err != nil { | ||
return err | ||
} | ||
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for i := 0; i < len(b.Snakes); i++ { | ||
snake := &b.Snakes[i] | ||
snake.Body[0].X = replace(snake.Body[0].X, 0, b.Width-1) | ||
snake.Body[0].Y = replace(snake.Body[0].Y, 0, b.Height-1) | ||
} | ||
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return nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,248 @@ | ||
package rules | ||
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import ( | ||
"testing" | ||
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"github.com/stretchr/testify/require" | ||
) | ||
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func TestLeft(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 10}}}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "bottomLeft", Move: "left"}, | ||
{ID: "bottomRight", Move: "left"}, | ||
{ID: "topLeft", Move: "left"}, | ||
{ID: "topRight", Move: "left"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{10, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{9, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{10, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{9, 10}}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
} | ||
} | ||
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func TestRight(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 10}}}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "bottomLeft", Move: "right"}, | ||
{ID: "bottomRight", Move: "right"}, | ||
{ID: "topLeft", Move: "right"}, | ||
{ID: "topRight", Move: "right"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{1, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{1, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{0, 10}}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
} | ||
} | ||
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func TestUp(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 10}}}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "bottomLeft", Move: "up"}, | ||
{ID: "bottomRight", Move: "up"}, | ||
{ID: "topLeft", Move: "up"}, | ||
{ID: "topRight", Move: "up"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 1}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 1}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 0}}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
} | ||
} | ||
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func TestDown(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 0}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 0}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 10}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 10}}}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "bottomLeft", Move: "down"}, | ||
{ID: "bottomRight", Move: "down"}, | ||
{ID: "topLeft", Move: "down"}, | ||
{ID: "topRight", Move: "down"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "bottomLeft", Health: 10, Body: []Point{{0, 10}}}, | ||
{ID: "bottomRight", Health: 10, Body: []Point{{10, 10}}}, | ||
{ID: "topLeft", Health: 10, Body: []Point{{0, 9}}}, | ||
{ID: "topRight", Health: 10, Body: []Point{{10, 9}}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
} | ||
} | ||
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func TestEdgeCrossingCollision(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "left", Health: 10, Body: []Point{{0, 5}}}, | ||
{ID: "rightEdge", Health: 10, Body: []Point{ | ||
{10, 1}, | ||
{10, 2}, | ||
{10, 3}, | ||
{10, 4}, | ||
{10, 5}, | ||
{10, 6}, | ||
}}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "left", Move: "left"}, | ||
{ID: "rightEdge", Move: "down"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "left", Health: 0, Body: []Point{{10, 5}}, EliminatedCause: EliminatedByCollision, EliminatedBy: "rightEdge"}, | ||
{ID: "rightEdge", Health: 10, Body: []Point{ | ||
{10, 0}, | ||
{10, 1}, | ||
{10, 2}, | ||
{10, 3}, | ||
{10, 4}, | ||
{10, 5}, | ||
}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
} | ||
} | ||
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func TestEdgeCrossingEating(t *testing.T) { | ||
boardState := &BoardState{ | ||
Width: 11, | ||
Height: 11, | ||
Snakes: []Snake{ | ||
{ID: "left", Health: 10, Body: []Point{{0, 5}, {1, 5}}}, | ||
{ID: "other", Health: 10, Body: []Point{{5, 5}}}, | ||
}, | ||
Food: []Point{ | ||
{10, 5}, | ||
}, | ||
} | ||
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snakeMoves := []SnakeMove{ | ||
{ID: "left", Move: "left"}, | ||
{ID: "other", Move: "left"}, | ||
} | ||
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r := WrappedRuleset{} | ||
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nextBoardState, err := r.CreateNextBoardState(boardState, snakeMoves) | ||
require.NoError(t, err) | ||
require.Equal(t, len(boardState.Snakes), len(nextBoardState.Snakes)) | ||
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expectedSnakes := []Snake{ | ||
{ID: "left", Health: 100, Body: []Point{{10, 5}, {0, 5}, {0, 5}}}, | ||
{ID: "other", Health: 9, Body: []Point{{4, 5}}}, | ||
} | ||
for i, snake := range nextBoardState.Snakes { | ||
require.Equal(t, expectedSnakes[i].ID, snake.ID, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedCause, snake.EliminatedCause, snake.ID) | ||
require.Equal(t, expectedSnakes[i].EliminatedBy, snake.EliminatedBy, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Body, snake.Body, snake.ID) | ||
require.Equal(t, expectedSnakes[i].Health, snake.Health, snake.ID) | ||
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} | ||
} |