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annotate src/sim.tp @ 13:c92633098f1d

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simulator now properly parses map and accepts input until A is sent to it over stdin
author Mike Pavone <pavone@retrodev.com>
date Sat, 14 Jul 2012 05:15:00 -0700
parents 6ef6dc8ab95e
children 26cfb964fe81
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1 {
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2 true <- #{
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3 if:else <- :self trueblock :elseblock {
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4 trueblock:
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5 }
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6 }
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7
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8 false <- #{
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9 if:else <- :self trueblock :elseblock {
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10 elseblock:
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11 }
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12 }
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13
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14 eachbyte <- :string action {
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15 strLen <- string byte_length:
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16 index <- 0
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17 while: {index < strLen} do: {
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18 element <- (string byte: index)
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19 action: index element
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20 index <- index + 1
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21 }
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22 }
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23
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24 makeCellTypes <- {
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25 allid <- #[]
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26 allobj <- #[]
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27 new <- :idstr {
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28 ret <- #{
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29 id <- (idstr byte: 0)
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30 isrobot <- { false }
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31 }
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32 allobj append: ret
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33 allid append: (ret id)
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34 ret
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35 }
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36 #{
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37 find <- :id {
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38 if: id = ("R" byte: 0) { robot: } else: {
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39 index <- 0
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40 while: {
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41 if: index < (allid length) {
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42 (allid get: index) != id
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43 } else: {false}
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44 } do: {
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45 index <- index + 1
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46 }
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47 if: index < (allid length) {
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48 allobj get: index
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49 } else: {
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50 empty
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51 }
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52 }
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53 }
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54 wall <- new: "#"
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55 empty <- new: " "
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56 earth <- new: "."
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57 rock <- new: "*"
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58 lambda <- new: "\\"
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59 closedlift <- new: "L"
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60 openlift <- new: "O"
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61 newline <- new: "\n"
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62 robot <- {
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63 #{
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64 id <- ("R" byte: 0)
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65 isrobot <- { true }
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66 heldBreath <- 0
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67 move <- :cmd {
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68 cmd
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69 }
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70 }
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71 }
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72 }
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73 }
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74 ttrue <- true
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75 tfalse <- false
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76 #{
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77
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78 // utilities
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79 true <- ttrue
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80
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81 false <- tfalse
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82
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83 // end utilities
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84
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85
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86 cellTypes <- makeCellTypes:
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87
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88 state <- #{
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89 new <- :in_grid in_width in_height {
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90 nextGrid <- #[]
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91 robot <- false
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92 endreached <- false
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93 foreach: in_grid :index el{
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94 nextGrid append: el
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95 if: (el isrobot) {
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96 print: "found robot\n"
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97 robot <- el
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98 } else: { true }
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99 }
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100 #{
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101 grid <- in_grid
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102 width <- in_width
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103 height <- in_height
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104 address <- :x y { x + y * width }
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105 setCell <- :x y val {
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106 grid set: (address: x y) val
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107 }
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108 getCell <- :x y {
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109 grid get: (address: x y)
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110 }
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111 water <- 0
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112 flooding <- 0
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113 waterproof <- 10
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114 collected <- 0
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115 moves <- 0
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116 ended <- {endreached}
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117 doUpdate <- {
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118 true
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119 }
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120 advance <- :roboCmd {
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121 endreached <- roboCmd = "A"
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122 robot move: roboCmd
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123 moves <- moves + 1
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124 doUpdate:
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125 self
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126 }
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127
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128 }
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129 }
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130 fromStr <- :str {
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131
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132 strLen <- str byte_length:
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133 maxCol <- 0
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134 col <- 0
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135 rows <- 0
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136 nl <- (cellTypes newline) id
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137 blank <- cellTypes empty
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138 eachbyte: str :index element {
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139 if: element = nl {
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140 maxCol <- if: col > maxCol {col} else: {maxCol}
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141 col <- 0
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142 rows <- rows + 1
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143 } else: {
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144 col <- col + 1
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145 }
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146 }
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147
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148 grid <- #[]
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149 eachbyte: str :index element {
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150 if: element = nl {
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151 // add spaces
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152 while: { col < maxCol } do: {
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153 grid append: blank
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154 col <- col + 1
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155 }
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156 col <- 0
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157 } else: {
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158 grid append: (cellTypes find: element)
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159 col = col + 1
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160 }
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161 }
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162 new: grid maxCol rows
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163 }
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164 }
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165
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166 testMoves <- {
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167 myStep <- 0
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168 {
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169 print: (string: myStep)
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170 myStep <- myStep + 1
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171 if: myStep > 5 {"A"} else: {"W"}
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172 }
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173 }
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174
8
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175 readFile <- :path {
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176 fd <- os open: path (os O_RDONLY)
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177 print: "fd: " . fd . "\n"
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178 if: fd < 0 { "" } else: {
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179 cur <- ""
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180 part <- ""
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181 while: {
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182 part <- os read: fd 128
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183 print: "read: " . part . "\n"
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184 part != ""
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185 } do: {
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186 cur <- cur . part
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187 }
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188 os close: fd
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189 cur
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190 }
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191 }
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192
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193 getMove <- {
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194 os read: 0 1
3
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195 }
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196
8
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197 main <- :args {
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198 if: (args length) < 2 {
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199 print: "usage: sim filename\n"
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200 } else: {
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201 print: (args get: 1) . "\n"
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202 text <- readFile: (args get: 1)
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203 simState <- state fromStr: text
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204 while: { if: (simState ended) {false} else: {true} } do: {
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205 print: "step...\n"
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206 simState advance: (getMove: )
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207 }
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208 }
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209 }
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210
3
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211 }
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212 }