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annotate src/sim.tp @ 31:f7a1daaec925

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author Mike Pavone <pavone@retrodev.com>
date Sat, 14 Jul 2012 21:27:36 -0700
parents 031d46ff76a9
children 0a55ee387d69
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1 {
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2 eachbyte <- :string action {
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3 strLen <- string byte_length:
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4 index <- 0
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5 while: {index < strLen} do: {
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6 element <- (string byte: index)
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7 action: index element
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8 index <- index + 1
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9 }
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10 }
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11
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12 debugLog <- :str {
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13 os write: 2 str
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14 }
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15
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16 makeCellTypes <- {
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17 typedict <- dict linear
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18 new <- :idStr {
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19 ret <- #{
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20 id <- (idStr byte: 0)
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21 str <- idStr
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22 isrobot <- { false }
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23 }
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24 typedict set: (ret id) ret
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25 ret
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26 }
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27 #{
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28 find <- :id {
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29 if: id = ("R" byte: 0) { robot: } else: {
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30 typedict get: id withDefault: empty
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31 }
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32 }
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33 wall <- new: "#"
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34 empty <- new: " "
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35 earth <- new: "."
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36 rock <- new: "*"
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37 lambda <- new: "\\"
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38 closedlift <- new: "L"
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39 openlift <- new: "O"
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40 newline <- new: "\n"
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41 robot <- {
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42 #{
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43 id <- ("R" byte: 0)
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44 str <- "R"
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45 isrobot <- { true }
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46 heldBreath <- 0
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47 x <- 0
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48 y <- 0
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49 move <- :cmd mine {
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50 writeMove <- :xPrime yPrime {
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51 mine setCell: xPrime yPrime self
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52 mine setCell: x y empty
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53 x <- xPrime
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54 y <- yPrime
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55 }
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56 writeMove: x (y + 1)
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57 }
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58 }
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59 }
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60 }
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61 }
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62 #{
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63
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64 cellTypes <- makeCellTypes:
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65
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66 state <- #{
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67 new <- :in_grid in_width in_height {
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68 nextGrid <- #[]
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69 robot <- false
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70 endreached <- false
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71 ret <- #{
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72 grid <- in_grid
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73 width <- in_width
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74 height <- in_height
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75 calcIndex <- :x y { x + y * width }
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76 calcX <- :index {index % width}
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77 calcY <- :index {index / width}
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78 setCell <- :x y val {
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79 grid set: (calcIndex: x y) val
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80 }
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81 getCell <- :x y {
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82 grid get: (calcIndex: x y)
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83 }
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84 updatePos <- :obj Index {
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85 obj x!: (calcX: Index)
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86 obj y!: (calcY: Index)
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87 }
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88 water <- 0
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89 flooding <- 0
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90 waterproof <- 10
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91 collected <- 0
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92 moves <- 0
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93 ended <- {endreached}
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94 doUpdate <- {
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95 true
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96 }
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97 advance <- :roboCmd {
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98 endreached <- roboCmd = "A"
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99 robot move: roboCmd self
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100 moves <- moves + 1
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101 doUpdate:
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102 self
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103 }
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104 printGrid <- {
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105 grid foreach: :index value {
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106 os write: 2 (value str)
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107 if: index % width = width - 1 {
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108 os write: 2 "\n"
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109 }
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110 }
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111 }
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112 }
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113 foreach: in_grid :index el{
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114 nextGrid append: el
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115 if: (el isrobot) {
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116 robot <- el
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117 ret updatePos: robot index
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118 }
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119 }
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120 ret
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121 }
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122 fromStr <- :str {
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123 strLen <- str byte_length:
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124 maxCol <- 0
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125 col <- 0
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126 rows <- 0
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127 nl <- (cellTypes newline) id
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128 blank <- cellTypes empty
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129 eachbyte: str :index element {
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130 if: element = nl {
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131 maxCol <- if: col > maxCol {col} else: {maxCol}
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132 col <- 0
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133 rows <- rows + 1
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134 } else: {
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135 col <- col + 1
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136 }
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137 }
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138 col <- 0
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139 grid <- #[]
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140 eachbyte: str :index element {
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141 if: element = nl {
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142 // add spaces
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143 while: { col < maxCol } do: {
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144 grid append: blank
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145 col <- col + 1
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146 }
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147 col <- 0
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148 } else: {
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149 grid append: (cellTypes find: element)
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150 col <- col + 1
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151 }
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152 }
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153 new: grid maxCol rows
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154 }
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155 }
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156
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157 testMoves <- {
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158 myStep <- 0
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159 {
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160 myStep <- myStep + 1
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161 if: myStep > 5 {"A"} else: {"W"}
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162 }
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163 }
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164
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165 readFd <- :fd {
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166 if: fd < 0 { "" } else: {
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167 cur <- ""
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168 part <- ""
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169 while: {
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170 part <- os read: fd 128
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171 part != ""
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172 } do: {
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173 cur <- cur . part
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174 }
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175 cur
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176 }
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177 }
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178
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179 readFile <- :path {
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180 fd <- os open: path (os O_RDONLY)
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181 out <- readFd: fd
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182 os close: fd
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183 out
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184 }
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185
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186 getMove <- {
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187 ret <- os read: 0 1
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188 while: {ret = "\n"} do: {
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189 ret <- os read: 0 1
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190 }
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191 ret
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192 }
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193
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194 main <- :args {
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195 if: (args length) < 2 {
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196 print: "usage: sim filename\n"
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197 } else: {
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198 verbose <- true
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199 text <- readFile: (args get: 1)
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200 print: text
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201 os close: 1
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202 simState <- state fromStr: text
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203 derp <- simState ended:
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204 while: { not: (simState ended: ) } do: {
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205 simState advance: (getMove: )
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206 if: verbose {
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207 simState printGrid
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208 }
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209 }
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210 }
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211 }
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212
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213 }
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214 }