c6885a069b
Rename module path github.com/ryanhamamura/c4 to github.com/ryanhamamura/games across go.mod, all source files, and golangci config.
114 lines
3.0 KiB
Plaintext
114 lines
3.0 KiB
Plaintext
package components
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import (
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"fmt"
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"github.com/ryanhamamura/games/snake"
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)
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func cellSizeForGrid(width, height int) int {
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maxDim := width
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if height > maxDim {
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maxDim = height
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}
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switch {
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case maxDim <= 15:
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return 28
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case maxDim <= 20:
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return 24
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case maxDim <= 30:
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return 20
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case maxDim <= 40:
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return 16
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default:
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return 14
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}
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}
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type cellInfo struct {
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snakeIdx int // -1 = empty, -2 = food
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isHead bool
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}
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templ Board(sg *snake.SnakeGame) {
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<div
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id="snake-board"
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class="snake-board"
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if sg.State != nil && (sg.Status == snake.StatusInProgress || sg.Status == snake.StatusFinished) {
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style={ fmt.Sprintf("grid-template-columns:repeat(%d,1fr);", sg.State.Width) }
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}
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>
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if sg.State != nil && (sg.Status == snake.StatusInProgress || sg.Status == snake.StatusFinished) {
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@boardCells(sg)
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}
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</div>
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}
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templ boardCells(sg *snake.SnakeGame) {
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{{ state := sg.State }}
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{{ grid := buildGrid(state) }}
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{{ cellSize := cellSizeForGrid(state.Width, state.Height) }}
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for y := 0; y < state.Height; y++ {
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<div class="snake-row">
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for x := 0; x < state.Width; x++ {
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{{ ci := grid[y][x] }}
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if ci.snakeIdx == -2 {
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<div class="snake-cell snake-food" style={ fmt.Sprintf("width:%dpx;height:%dpx;", cellSize, cellSize) }></div>
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} else if ci.snakeIdx >= 0 {
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{{ s := state.Snakes[ci.snakeIdx] }}
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{{ bg := snakeColor(ci.snakeIdx) }}
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if ci.isHead {
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if s.Alive {
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<div class="snake-cell snake-head" style={ fmt.Sprintf("width:%dpx;height:%dpx;background:%s;box-shadow:0 0 8px %s;", cellSize, cellSize, bg, bg) }></div>
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} else {
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<div class="snake-cell snake-head snake-dead" style={ fmt.Sprintf("width:%dpx;height:%dpx;background:%s;box-shadow:0 0 8px %s;", cellSize, cellSize, bg, bg) }></div>
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}
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} else {
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if s.Alive {
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<div class="snake-cell snake-body" style={ fmt.Sprintf("width:%dpx;height:%dpx;background:%s;", cellSize, cellSize, bg) }></div>
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} else {
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<div class="snake-cell snake-body snake-dead" style={ fmt.Sprintf("width:%dpx;height:%dpx;background:%s;", cellSize, cellSize, bg) }></div>
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}
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}
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} else {
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<div class="snake-cell" style={ fmt.Sprintf("width:%dpx;height:%dpx;", cellSize, cellSize) }></div>
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}
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}
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</div>
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}
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}
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func buildGrid(state *snake.GameState) [][]cellInfo {
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grid := make([][]cellInfo, state.Height)
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for y := 0; y < state.Height; y++ {
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grid[y] = make([]cellInfo, state.Width)
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for x := 0; x < state.Width; x++ {
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grid[y][x] = cellInfo{snakeIdx: -1}
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}
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}
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for fi := range state.Food {
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f := state.Food[fi]
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if f.X >= 0 && f.X < state.Width && f.Y >= 0 && f.Y < state.Height {
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grid[f.Y][f.X] = cellInfo{snakeIdx: -2}
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}
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}
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for si, s := range state.Snakes {
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if s == nil {
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continue
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}
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for bi, bp := range s.Body {
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if bp.X >= 0 && bp.X < state.Width && bp.Y >= 0 && bp.Y < state.Height {
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grid[bp.Y][bp.X] = cellInfo{snakeIdx: si, isHead: bi == 0}
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}
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}
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}
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return grid
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}
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func snakeColor(idx int) string {
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if idx >= 0 && idx < len(snake.SnakeColors) {
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return snake.SnakeColors[idx]
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}
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return "#666"
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}
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