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(%object = {{ parameter[\"name\"] }}?).nil?\n %object\n else\n msg = <<-MSG\n Expected a parameter named {{ parameter[\"name\"] }} but found nil.\n The parameter may not have been provided when the job was enqueued.\n Should you be using `{{ parameter[\"name\"] }}` instead?\n MSG\n raise msg\n end\n end\n\n def {{ parameter[\"name\"] }}=(value : {{ parameter[\"simplified_type\"] }}) : {{ parameter[\"simplified_type\"] }}\n @{{ parameter[\"name\"] }} = value\n end\n\n def {{ parameter[\"name\"] }}? : {{ parameter[\"simplified_type\"] }} | Nil\n @{{ parameter[\"name\"] }}\n end\n {% end %}\n\n\n def initialize\n \nend\n\n def initialize(\n{{ (parsed_parameters.map do |parameter|\n assignment = \"@#{parameter[\"name\"]}\"\n if parameter[\"type\"]\n assignment = assignment + \" : #{parameter[\"type\"]}\"\n end\n unless parameter[\"value\"].is_a?(Nop)\n assignment = assignment + \" = #{parameter[\"value\"]}\"\n end\n assignment\nend.join(\", \")).id }}\n)\n \nend\n\n def vars_from(config : 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A BattleSnake::Context is the representation of the game as it arrives from the Webhook API request to src/app.cr endpoints.
Similar to BattleSnake::Context#valid_moves but considers all valid moves from enemies.
Checks collisions from snakes on the board and removes snakes that die
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Returns a hash with all the valid :moves and :neighbors available from a given BattleSnake::Point.
Represents a Point (x,y) coordinate on the board with some helper methods for processing of the board (i.e.
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You'll find detailed information on classes and methods there :)\n\nI wrote a few blog posts about this project. Check out [the first one here](https://dev.to/fdocr/learning-crystal-with-battlesnake-3chj).\n\n## Installation\n\nYou'll need Crystal, Postgres & Redis locally. The app uses [sam.cr](https://github.com/imdrasil/sam.cr) for ease of development.\n\n```bash\n# Install dependencies\nshards install\n\n# Create DB & run migrations\nmake sam db:setup\n\n# Start development server in port 8080 with live reload\nmake sam dev\n\n# Run tests\nmake sam test\n```\n\n## Development\n\nThe app can be configured copying the `.env.sample` file as `.env` in the directory root.\n\nFor local development I use the [BattleSnake CLI](https://github.com/BattlesnakeOfficial/rules/tree/main/cli) with the local server running. A basic example looks like this:\n\n```bash\n# Solo game with ChaseClosestFood strategy\nbattlesnake play -W 11 -H 11 --name dev --url http://localhost:8080/chase_closest_food -g solo -v\n\n# Play RandomValid vs CautiousCarol strategies\nbattlesnake play -W 11 -H 11 --name RandomValid --url http://localhost:8080/random_valid --name CautiousCarol --url http://localhost:8080/cautious_carol -v\n```\n\n#### Strategies & Architecture\n\nThe server is built on the `src/app.cr` file and you can choose to use [any of the available strategies](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy).\n\nTo start hacking a new one create a new strategy (in the `src/strategy` folder) that inherits from `Stategy::Base`. They're all initialized with a `BattleSnake::Context` and the server calls the `#move` method on it to respond with. You can re-use strategies within each other, i.e. `Strategy::ChaseClosestFood` uses the `Strategy::RandomValid` strategy when it can't reach any food on the board.\n\nIn order to start using a new strategy:\n1. Add new entry in case clause to `src/strategy/base.cr`\n - Must return the new strategy object\n2. The string in the case clause will determine its path\n - i.e. `http://localhost:8080/new_strategy`\n\nStrategies can use `Strategy::Utils` class methods like `Strategy::Utils.a_star` which implements the [A* Search Algorithm](https://en.wikipedia.org/wiki/A*_search_algorithm). Check out the [available Utils helper methods](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy/utils).\n\n## Deployment\n\nI'm currently using [DigitalOcean App Platform](https://www.digitalocean.com/products/app-platform). The [Dockerfile](/Dockerfile) is detected and deployed on their cheapest tier. It \"should work\" in lots of other platforms with this setup, but [open an issue](https://github.com/fdocr/CrystalSnake/issues/new) if you need help troubleshooting or to discuss other solutions.\n\n**Customizations**\n\nENV variables are used to [customize your snake](https://docs.battlesnake.com/guides/customizations)\n\n- `SNAKE_COLOR` (i.e. \"#cccccc\")\n- `SNAKE_HEAD`\n- `SNAKE_TAIL`\n\n## Contributing\n\nMake sure to test your changes. First copy `.env.sample` as `.env.test` so you can run the test suite with `make sam test`.\n\n1. Fork it (Base class for jobs in the app.
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(%object = {{ parameter[\"name\"] }}?).nil?\n %object\n else\n msg = <<-MSG\n Expected a parameter named {{ parameter[\"name\"] }} but found nil.\n The parameter may not have been provided when the job was enqueued.\n Should you be using `{{ parameter[\"name\"] }}` instead?\n MSG\n raise msg\n end\n end\n\n def {{ parameter[\"name\"] }}=(value : {{ parameter[\"simplified_type\"] }}) : {{ parameter[\"simplified_type\"] }}\n @{{ parameter[\"name\"] }} = value\n end\n\n def {{ parameter[\"name\"] }}? : {{ parameter[\"simplified_type\"] }} | Nil\n @{{ parameter[\"name\"] }}\n end\n {% end %}\n\n\n def initialize\n \nend\n\n def initialize(\n{{ (parsed_parameters.map do |parameter|\n assignment = \"@#{parameter[\"name\"]}\"\n if parameter[\"type\"]\n assignment = assignment + \" : #{parameter[\"type\"]}\"\n end\n unless parameter[\"value\"].is_a?(Nop)\n assignment = assignment + \" = #{parameter[\"value\"]}\"\n end\n assignment\nend.join(\", \")).id }}\n)\n \nend\n\n def vars_from(config : 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A BattleSnake::Context is the representation of the game as it arrives from the Webhook API request to src/app.cr endpoints.
Similar to BattleSnake::Context#valid_moves but considers all valid moves from enemies.
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raise(msg)\nend"}},{"html_id":"path=(value:String):String-instance-method","name":"path=","abstract":false,"args":[{"name":"value","external_name":"value","restriction":"String"}],"args_string":"(value : String) : String","args_html":"(value : String) : String","location":{"filename":"src/jobs/persist_turn_job.cr","line_number":4,"url":"https://github.com/fdocr/CrystalSnake/blob/8e7bf08cd41b1ceb68862a17319b577188de02b0/src/jobs/persist_turn_job.cr#L4"},"def":{"name":"path=","args":[{"name":"value","external_name":"value","restriction":"String"}],"return_type":"String","visibility":"Public","body":"@path = value"}},{"html_id":"path?:String|Nil-instance-method","name":"path?","abstract":false,"location":{"filename":"src/jobs/persist_turn_job.cr","line_number":4,"url":"https://github.com/fdocr/CrystalSnake/blob/8e7bf08cd41b1ceb68862a17319b577188de02b0/src/jobs/persist_turn_job.cr#L4"},"def":{"name":"path?","return_type":"String | 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[Kemal](https://kemalcr.com/)\n\nI strongly recommend reading the docs in [https://fdocr.github.io/CrystalSnake/](https://fdocr.github.io/CrystalSnake/). You'll find detailed information on classes and methods there :)\n\nI wrote a few blog posts about this project. Check out [the first one here](https://dev.to/fdocr/learning-crystal-with-battlesnake-3chj).\n\n## Installation\n\nYou'll need Crystal, Postgres & Redis locally. The app uses [sam.cr](https://github.com/imdrasil/sam.cr) for ease of development.\n\n```bash\n# Install dependencies\nshards install\n\n# Create DB & run migrations\nmake sam db:setup\n\n# Start development server in port 8080 with live reload\nmake sam dev\n\n# Run tests\nmake sam test\n```\n\n## Development\n\nThe app can be configured copying the `.env.sample` file as `.env` in the directory root.\n\nFor local development I use the [BattleSnake CLI](https://github.com/BattlesnakeOfficial/rules/tree/main/cli) with the local server running. A basic example looks like this:\n\n```bash\n# Solo game with ChaseClosestFood strategy\nbattlesnake play -W 11 -H 11 --name dev --url http://localhost:8080/chase_closest_food -g solo -v\n\n# Play RandomValid vs CautiousCarol strategies\nbattlesnake play -W 11 -H 11 --name RandomValid --url http://localhost:8080/random_valid --name CautiousCarol --url http://localhost:8080/cautious_carol -v\n```\n\n#### Strategies & Architecture\n\nThe server is built on the `src/app.cr` file and you can choose to use [any of the available strategies](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy).\n\nTo start hacking a new one create a new strategy (in the `src/strategy` folder) that inherits from `Stategy::Base`. They're all initialized with a `BattleSnake::Context` and the server calls the `#move` method on it to respond with. You can re-use strategies within each other, i.e. `Strategy::ChaseClosestFood` uses the `Strategy::RandomValid` strategy when it can't reach any food on the board.\n\nIn order to start using a new strategy:\n1. Add new entry in case clause to `src/strategy/base.cr`\n - Must return the new strategy object\n2. The string in the case clause will determine its path\n - i.e. `http://localhost:8080/new_strategy`\n\nStrategies can use `Strategy::Utils` class methods like `Strategy::Utils.a_star` which implements the [A* Search Algorithm](https://en.wikipedia.org/wiki/A*_search_algorithm). Check out the [available Utils helper methods](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy/utils).\n\n## Deployment\n\nI'm currently using [DigitalOcean App Platform](https://www.digitalocean.com/products/app-platform). The [Dockerfile](/Dockerfile) is detected and deployed on their cheapest tier. It \"should work\" in lots of other platforms with this setup, but [open an issue](https://github.com/fdocr/CrystalSnake/issues/new) if you need help troubleshooting or to discuss other solutions.\n\n**Customizations**\n\nENV variables are used to [customize your snake](https://docs.battlesnake.com/guides/customizations)\n\n- `SNAKE_COLOR` (i.e. \"#cccccc\")\n- `SNAKE_HEAD`\n- `SNAKE_TAIL`\n\n## Contributing\n\nMake sure to test your changes. First copy `.env.sample` as `.env.test` so you can run the test suite with `make sam test`.\n\n1. Fork it (Base class for jobs in the app.
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[https://fdocr.github.io/CrystalSnake/](https://fdocr.github.io/CrystalSnake/). You'll find detailed information on classes and methods there :)\n\nI wrote a few blog posts about this project. Check out [the first one here](https://dev.to/fdocr/learning-crystal-with-battlesnake-3chj).\n\n## Installation\n\nYou'll need Crystal, Postgres & Redis locally. The app uses [sam.cr](https://github.com/imdrasil/sam.cr) for ease of development.\n\n```bash\n# Install dependencies\nshards install\n\n# Create DB & run migrations\nmake sam db:setup\n\n# Start development server in port 8080 with live reload\nmake sam dev\n\n# Run tests\nmake sam test\n```\n\n## Development\n\nThe app can be configured copying the `.env.sample` file as `.env` in the directory root.\n\nFor local development I use the [BattleSnake CLI](https://github.com/BattlesnakeOfficial/rules/tree/main/cli) with the local server running. A basic example looks like this:\n\n```bash\n# Solo game with ChaseClosestFood strategy\nbattlesnake play -W 11 -H 11 --name dev --url http://localhost:8080/chase_closest_food -g solo -v\n\n# Play RandomValid vs CautiousCarol strategies\nbattlesnake play -W 11 -H 11 --name RandomValid --url http://localhost:8080/random_valid --name CautiousCarol --url http://localhost:8080/cautious_carol -v\n```\n\n#### Strategies & Architecture\n\nThe server is built on the `src/app.cr` file and you can choose to use [any of the available strategies](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy).\n\nTo start hacking a new one create a new strategy (in the `src/strategy` folder) that inherits from `Stategy::Base`. They're all initialized with a `BattleSnake::Context` and the server calls the `#move` method on it to respond with. You can re-use strategies within each other, i.e. `Strategy::ChaseClosestFood` uses the `Strategy::RandomValid` strategy when it can't reach any food on the board.\n\nIn order to start using a new strategy:\n1. Add new entry in case clause to `src/strategy/base.cr`\n - Must return the new strategy object\n2. The string in the case clause will determine its path\n - i.e. `http://localhost:8080/new_strategy`\n\nStrategies can use `Strategy::Utils` class methods like `Strategy::Utils.a_star` which implements the [A* Search Algorithm](https://en.wikipedia.org/wiki/A*_search_algorithm). Check out the [available Utils helper methods](https://github.com/fdocr/CrystalSnake/tree/main/src/strategy/utils).\n\n## Deployment\n\nI'm currently using [DigitalOcean App Platform](https://www.digitalocean.com/products/app-platform). The [Dockerfile](/Dockerfile) is detected and deployed on their cheapest tier. It \"should work\" in lots of other platforms with this setup, but [open an issue](https://github.com/fdocr/CrystalSnake/issues/new) if you need help troubleshooting or to discuss other solutions.\n\n**Customizations**\n\nENV variables are used to [customize your snake](https://docs.battlesnake.com/guides/customizations)\n\n- `SNAKE_COLOR` (i.e. \"#cccccc\")\n- `SNAKE_HEAD`\n- `SNAKE_TAIL`\n\n## Contributing\n\nMake sure to test your changes. First copy `.env.sample` as `.env.test` so you can run the test suite with `make sam test`.\n\n1. Fork it (Base class for jobs in the app.
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Similar to BattleSnake::Context#valid_moves but considers all valid moves from enemies.
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raise(msg)\nend"}},{"html_id":"path=(value:String):String-instance-method","name":"path=","abstract":false,"args":[{"name":"value","external_name":"value","restriction":"String"}],"args_string":"(value : String) : String","args_html":"(value : String) : String","location":{"filename":"src/jobs/persist_turn_job.cr","line_number":4,"url":"https://github.com/fdocr/CrystalSnake/blob/8e7bf08cd41b1ceb68862a17319b577188de02b0/src/jobs/persist_turn_job.cr#L4"},"def":{"name":"path=","args":[{"name":"value","external_name":"value","restriction":"String"}],"return_type":"String","visibility":"Public","body":"@path = value"}},{"html_id":"path?:String|Nil-instance-method","name":"path?","abstract":false,"location":{"filename":"src/jobs/persist_turn_job.cr","line_number":4,"url":"https://github.com/fdocr/CrystalSnake/blob/8e7bf08cd41b1ceb68862a17319b577188de02b0/src/jobs/persist_turn_job.cr#L4"},"def":{"name":"path?","return_type":"String | 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