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annotate src/sim.tp @ 28:7a274d6026c8

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author Mike Pavone <pavone@retrodev.com>
date Sat, 14 Jul 2012 19:33:35 -0700
parents a224dc43877f
children d9f1a063a466
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 allid <- #[]
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18 allobj <- #[]
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19 new <- :idStr {
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20 ret <- #{
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21 id <- (idStr byte: 0)
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22 str <- idStr
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23 isrobot <- { false }
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24 }
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25 allobj append: ret
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26 allid append: (ret id)
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27 ret
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28 }
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29 #{
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30 find <- :id {
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31 if: id = ("R" byte: 0) { robot: } else: {
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32 index <- 0
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33 while: {
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34 if: index < (allid length) {
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35 (allid get: index) != id
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36 }
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37 } do: {
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38 index <- index + 1
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39 }
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40 if: index < (allid length) {
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41 allobj get: index
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42 } else: {
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43 empty
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44 }
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45 }
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46 }
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47 wall <- new: "#"
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48 empty <- new: " "
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49 earth <- new: "."
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50 rock <- new: "*"
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51 lambda <- new: "\\"
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52 closedlift <- new: "L"
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53 openlift <- new: "O"
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54 newline <- new: "\n"
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55 robot <- {
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56 #{
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57 id <- ("R" byte: 0)
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58 str <- "R"
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59 isrobot <- { true }
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60 heldBreath <- 0
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61 x <- 0
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62 y <- 0
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63 move <- :cmd mine {
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64 writeMove <- :xPrime yPrime {
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65 mine setCell: xPrime yPrime self
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66 mine setCell: x y empty
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67 x <- xPrime
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68 y <- yPrime
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69 }
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70 writeMove: x (y + 1)
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71 }
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72 }
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73 }
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74 }
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75 }
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76 #{
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77
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78 cellTypes <- makeCellTypes:
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79
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80 state <- #{
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81 new <- :in_grid in_width in_height {
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82 nextGrid <- #[]
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83 robot <- false
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84 endreached <- false
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85 ret <- #{
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86 grid <- in_grid
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87 width <- in_width
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88 height <- in_height
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89 calcIndex <- :x y { x + y * width }
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90 calcX <- :index {index % width}
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91 calcY <- :index {index / width}
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92 setCell <- :x y val {
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93 grid set: (calcIndex: x y) val
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94 }
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95 getCell <- :x y {
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96 grid get: (calcIndex: x y)
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97 }
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98 updatePos <- :obj Index {
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99 obj x!: (calcX: Index)
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100 obj y!: (calcY: Index)
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101 }
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102 water <- 0
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103 flooding <- 0
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104 waterproof <- 10
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105 collected <- 0
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106 moves <- 0
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107 ended <- {endreached}
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108 doUpdate <- {
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109 true
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110 }
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111 advance <- :roboCmd {
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112 endreached <- roboCmd = "A"
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113 robot move: roboCmd self
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114 moves <- moves + 1
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115 doUpdate:
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116 self
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117 }
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118 printGrid <- {
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119 grid foreach: :index value {
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120 os write: 2 (value str)
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121 if: index % width = width - 1 {
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122 os write: 2 "\n"
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123 }
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124 }
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125 }
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126 }
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127 foreach: in_grid :index el{
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128 nextGrid append: el
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129 if: (el isrobot) {
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130 robot <- el
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131 ret updatePos: robot index
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132 } else: { true }
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133 }
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134 ret
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135 }
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136 fromStr <- :str {
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137 strLen <- str byte_length:
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138 maxCol <- 0
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139 col <- 0
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140 rows <- 0
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141 nl <- (cellTypes newline) id
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142 blank <- cellTypes empty
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143 eachbyte: str :index element {
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144 if: element = nl {
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145 maxCol <- if: col > maxCol {col} else: {maxCol}
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146 col <- 0
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147 rows <- rows + 1
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148 } else: {
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149 col <- col + 1
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150 }
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151 }
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152 col <- 0
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153 grid <- #[]
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154 eachbyte: str :index element {
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155 if: element = nl {
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156 // add spaces
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157 while: { col < maxCol } do: {
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158 grid append: blank
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159 col <- col + 1
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160 }
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161 col <- 0
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162 } else: {
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163 grid append: (cellTypes find: element)
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164 col <- col + 1
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165 }
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166 }
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167 new: grid maxCol rows
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168 }
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169 }
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170
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171 testMoves <- {
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172 myStep <- 0
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173 {
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174 myStep <- myStep + 1
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175 if: myStep > 5 {"A"} else: {"W"}
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176 }
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177 }
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178
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179 readFd <- :fd {
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180 if: fd < 0 { "" } else: {
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181 cur <- ""
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182 part <- ""
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183 while: {
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184 part <- os read: fd 128
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185 part != ""
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186 } do: {
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187 cur <- cur . part
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188 }
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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 readFile <- :path {
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194 fd <- os open: path (os O_RDONLY)
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195 out <- readFd: fd
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196 os close: fd
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197 out
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198 }
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199
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200 getMove <- {
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201 os read: 0 1
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202 }
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203
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204 main <- :args {
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205 if: (args length) < 2 {
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206 print: "usage: sim filename\n"
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207 } else: {
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208 verbose <- true
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209 text <- readFile: (args get: 1)
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210 print: text
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211 os close: 1
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212 simState <- state fromStr: text
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213 derp <- simState ended:
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214 while: { if: (simState ended: ) {false} else: {true} } do: {
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215 simState advance: (getMove: )
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216 if: verbose {
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217 simState printGrid
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218 }
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219 }
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220 }
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221 }
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222
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223 }
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224 }