mw-ui/src/mw_ui/render_world.clj

106 lines
3.6 KiB
Clojure

(ns ^{:doc "Render the state of the world as an HTML table."
:author "Simon Brooke"}
mw-ui.render-world
(:require [clojure.java.io :as jio]
[mw-engine.core :as engine]
[mw-engine.world :as world]
[mw-engine.heightmap :as heightmap]
[mw-parser.bulk :as compiler]
[hiccup.core :refer [html]]
[noir.io :as io]
[noir.session :as session]))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;
;;;; mw-ui: a servlet user/visualisation interface for MicroWorld.
;;;;
;;;; 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 2
;;;; 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, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
;;;; USA.
;;;;
;;;; Copyright (C) 2014 Simon Brooke
;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defn format-css-class [statekey]
"Format this statekey, assumed to be a keyword indicating a state in the
world, into a CSS class"
(subs (str statekey) 1))
(defn format-image-path
"Render this statekey, assumed to be a keyword indicating a state in the
world, into a path which should recover the corresponding image file."
[statekey]
(format "img/tiles/%s.png" (format-css-class statekey)))
(defn format-mouseover [cell]
(str cell))
(defn render-cell
"Render this world cell as a Hiccup table cell."
[cell]
(let [state (:state cell)]
[:td {:class (format-css-class state) :title (format-mouseover cell)}
[:a {:href (format "inspect?x=%d&y=%d" (:x cell) (:y cell))}
[:img {:alt (:state cell) :src (format-image-path state)}]]]))
(defn render-world-row
"Render this world row as a Hiccup table row."
[row]
(apply vector (cons :tr (map render-cell row))))
(defn render-world-table
"Render the world implied by the current session as a complete HTML table in a DIV."
[]
(let [world (or (session/get :world)
(heightmap/apply-heightmap
(io/get-resource "/img/heightmaps/small_hill.png")))
rules (or (session/get :rules)
(do (session/put! :rules
(compiler/compile-file
(io/get-resource "/rulesets/basic.txt")))
(session/get :rules)))
generation (inc (or (session/get :generation) 0))
w2 (engine/transform-world world rules)
]
(session/put! :world w2)
(session/put! :generation generation)
[:div {:class "world"}
(apply vector
(cons :table
(map render-world-row w2)))
[:p
(str "Generation " generation)]]))
(defn render-inspector
"Render in Hiccup format the HTML content of an inspector on this cell."
[cell table]
[:table {:class "music-ruled"}
[:tr
[:td {:colspan 2 :style "text-align: center;"}
[:img {:src (str "img/tiles/" (name (:state cell)) ".png")
:width 64
:height 64}]]]
[:tr [:th "Key"][:th "Value"]]
(map #(vector :tr (vector :th %)(vector :td (cell %))) (keys cell))])