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annotate src/sim.tp @ 25:a224dc43877f

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major progress! ...robot always moves down though
author William Morgan <bill@mrgn.org>
date Sat, 14 Jul 2012 19:05:56 -0700
parents 8435bf0360f8
children 7a274d6026c8
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1 {
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2 true <- #{
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3 if <- :self trueblock {
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4 trueblock:
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5 }
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6 if:else <- :self trueblock :elseblock {
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7 trueblock:
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8 }
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9 }
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10
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11 false <- #{
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12 if <- :self trueblock {
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13 self
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14 }
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15 if:else <- :self trueblock :elseblock {
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16 elseblock:
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17 }
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18 }
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19
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20 eachbyte <- :string action {
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21 strLen <- string byte_length:
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22 index <- 0
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23 while: {index < strLen} do: {
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24 element <- (string byte: index)
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25 action: index element
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26 index <- index + 1
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27 }
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28 }
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29
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30 debugLog <- :str {
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31 os write: 2 str
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32 }
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33
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34 makeCellTypes <- {
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35 allid <- #[]
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36 allobj <- #[]
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37 new <- :idStr {
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38 ret <- #{
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39 id <- (idStr byte: 0)
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40 str <- idStr
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41 isrobot <- { false }
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42 }
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43 allobj append: ret
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44 allid append: (ret id)
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45 ret
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46 }
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47 #{
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48 find <- :id {
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49 if: id = ("R" byte: 0) { robot: } else: {
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50 index <- 0
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51 while: {
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52 if: index < (allid length) {
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53 (allid get: index) != id
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54 }
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55 } do: {
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56 index <- index + 1
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57 }
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58 if: index < (allid length) {
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59 allobj get: index
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60 } else: {
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61 empty
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62 }
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63 }
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64 }
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65 wall <- new: "#"
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66 empty <- new: " "
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67 earth <- new: "."
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68 rock <- new: "*"
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69 lambda <- new: "\\"
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70 closedlift <- new: "L"
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71 openlift <- new: "O"
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72 newline <- new: "\n"
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73 robot <- {
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74 #{
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75 id <- ("R" byte: 0)
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76 str <- "R"
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77 isrobot <- { true }
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78 heldBreath <- 0
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79 x <- 0
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80 y <- 0
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81 move <- :cmd mine {
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82 writeMove <- :xPrime yPrime {
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83 mine setCell: xPrime yPrime self
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84 mine setCell: x y empty
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85 x <- xPrime
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86 y <- yPrime
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87 }
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88 writeMove: x (y + 1)
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89 }
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90 }
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91 }
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92 }
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93 }
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94 ttrue <- true
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95 tfalse <- false
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96 #{
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97
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98 // utilities
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99 true <- ttrue
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100
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101 false <- tfalse
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102
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103 // end utilities
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104
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105
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106 cellTypes <- makeCellTypes:
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107
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108 state <- #{
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109 new <- :in_grid in_width in_height {
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110 nextGrid <- #[]
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111 robot <- false
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112 endreached <- false
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113 ret <- #{
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114 grid <- in_grid
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115 width <- in_width
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116 height <- in_height
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117 calcIndex <- :x y { x + y * width }
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118 calcX <- :index {index % width}
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119 calcY <- :index {index / width}
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120 setCell <- :x y val {
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121 grid set: (calcIndex: x y) val
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122 }
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123 getCell <- :x y {
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124 grid get: (calcIndex: x y)
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125 }
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126 updatePos <- :obj Index {
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127 obj x!: (calcX: Index)
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128 obj y!: (calcY: Index)
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129 }
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130 water <- 0
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131 flooding <- 0
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132 waterproof <- 10
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133 collected <- 0
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134 moves <- 0
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135 ended <- {endreached}
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136 doUpdate <- {
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137 true
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138 }
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139 advance <- :roboCmd {
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140 endreached <- roboCmd = "A"
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141 robot move: roboCmd self
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142 moves <- moves + 1
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143 doUpdate:
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144 self
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145 }
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146 printGrid <- {
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147 grid foreach: :index value {
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148 os write: 2 (value str)
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149 if: index % width = width - 1 {
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150 os write: 2 "\n"
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151 }
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152 }
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153 }
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154 }
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155 foreach: in_grid :index el{
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156 nextGrid append: el
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157 if: (el isrobot) {
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158 robot <- el
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159 ret updatePos: robot index
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160 } else: { true }
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161 }
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162 ret
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163 }
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164 fromStr <- :str {
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165 strLen <- str byte_length:
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166 maxCol <- 0
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167 col <- 0
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168 rows <- 0
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169 nl <- (cellTypes newline) id
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170 blank <- cellTypes empty
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171 eachbyte: str :index element {
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172 if: element = nl {
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173 maxCol <- if: col > maxCol {col} else: {maxCol}
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174 col <- 0
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175 rows <- rows + 1
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176 } else: {
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177 col <- col + 1
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178 }
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179 }
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180 col <- 0
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181 grid <- #[]
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182 eachbyte: str :index element {
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183 if: element = nl {
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184 // add spaces
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185 while: { col < maxCol } do: {
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186 grid append: blank
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187 col <- col + 1
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188 }
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189 col <- 0
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190 } else: {
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191 grid append: (cellTypes find: element)
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192 col <- col + 1
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193 }
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194 }
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195 new: grid maxCol rows
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196 }
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197 }
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198
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199 testMoves <- {
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200 myStep <- 0
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201 {
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202 myStep <- myStep + 1
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203 if: myStep > 5 {"A"} else: {"W"}
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204 }
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205 }
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206
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207 readFd <- :fd {
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208 if: fd < 0 { "" } else: {
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209 cur <- ""
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210 part <- ""
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211 while: {
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212 part <- os read: fd 128
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213 part != ""
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214 } do: {
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215 cur <- cur . part
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216 }
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217 cur
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218 }
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219 }
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220
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221 readFile <- :path {
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222 fd <- os open: path (os O_RDONLY)
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223 out <- readFd: fd
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224 os close: fd
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225 out
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226 }
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227
8
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228 getMove <- {
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229 os read: 0 1
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230 }
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231
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232 main <- :args {
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233 if: (args length) < 2 {
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234 print: "usage: sim filename\n"
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235 } else: {
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236 verbose <- true
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237 text <- readFile: (args get: 1)
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238 print: text
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239 os close: 1
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240 simState <- state fromStr: text
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241 derp <- simState ended:
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242 while: { if: (simState ended: ) {false} else: {true} } do: {
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243 simState advance: (getMove: )
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244 if: verbose {
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245 simState printGrid
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246 }
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247 }
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248 }
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249 }
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250
3
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251 }
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252 }