mirror of
https://github.com/badvision/lawless-legends.git
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Map scripts now being built as PLASMA source which is then compiled, instead of direct-to-bytecode. This will be much easier to maintain once it's fully working.
This commit is contained in:
Martin Haye
parent
c0e98cd6c4
commit
042450d4ce
@ -906,13 +906,11 @@ class PackPartitions
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def name = "mapScript$num"
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//println "Packing scripts for map $mapName, to module $num."
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def scriptDir = "build/"
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ScriptModule module = new ScriptModule()
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module.packScripts(mapName, mapEl.scripts ? mapEl.scripts[0] : [],
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module.packScripts(mapName, new File(new File(scriptDir), name+".pla"), mapEl.scripts ? mapEl.scripts[0] : [],
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totalWidth, totalHeight, xRange, yRange)
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modules[name] = [num:num, buf:wrapByteList(module.data)]
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bytecodes[name] = [num:num, buf:wrapByteList(module.bytecode)]
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fixups[name] = [num:num, buf:wrapByteList(module.fixups)]
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compileModule(name, scriptDir)
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return [num, module.locationsWithTriggers]
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}
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@ -1890,55 +1888,32 @@ class PackPartitions
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class ScriptModule
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{
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def data = []
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def bytecode = []
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def fixups = []
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def nScripts = 0
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def nStringBytes = 0
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PrintWriter out
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def locationsWithTriggers = [] as Set
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def scriptNames = [:]
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def indent = 0
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def vec_setScriptInfo = 0x1F00
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def vec_pushAuxStr = 0x1F03
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def vec_displayStr = 0x1F06
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def vec_displayStrNL = 0x1F09
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def vec_getYN = 0x1F0C
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def vec_setMap = 0x1F0F
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def vec_setSky = 0x1F12
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def vec_setGround = 0x1F15
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def vec_teleport = 0x1F18
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def vec_setPortrait = 0x1F1B
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def vec_clrPortrait = 0x1F1E
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def vec_moveBackward = 0x1F21
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def vec_getCharacter = 0x1F24
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def vec_clrTextWindow = 0x1F27
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def emitAuxString(inStr)
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def emitString(inStr)
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{
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_pushAuxStr)
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def buf = new StringBuilder()
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def prev = ' '
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out << '\"'
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def prev = '\0'
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inStr.each { ch ->
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if (ch == '^') {
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if (prev == '^')
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buf.append(ch)
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out << ch
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}
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else if (ch == '\"')
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out << "\\\""
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else if (prev == '^') {
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def cp = Character.codePointAt(ch.toUpperCase(), 0)
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if (cp > 64 && cp < 96)
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buf.appendCodePoint(cp - 64)
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out << "\\\$" << String.format("%02X", cp - 64)
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}
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else
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buf.append(ch)
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out << ch
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prev = ch
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}
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def str = buf.toString()
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assert str.size() < 256 : "String too long, max is 255 characters: $str"
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emitCodeByte(str.size())
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str.each { ch -> emitCodeByte((byte)ch) }
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nStringBytes += str.size() + 1
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out << '\"'
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}
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def getScriptName(script)
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@ -1947,8 +1922,11 @@ class PackPartitions
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return null
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def blk = script.block[0]
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if (blk.field.size() == 0)
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if (blk.field.size() == 0) {
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if (scriptNames.containsKey(script))
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return scriptNames[script]
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return null
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}
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assert blk.field[0].@name == "NAME"
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return blk.field[0].text()
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@ -1958,72 +1936,59 @@ class PackPartitions
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* Pack scripts from a map. Either the whole map, or optionally just an X and Y
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* bounded section of it.
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*/
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def packScripts(mapName, inScripts, maxX, maxY, xRange = null, yRange = null)
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def packScripts(mapName, outFile, inScripts, maxX, maxY, xRange = null, yRange = null)
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{
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// If we're only processing a section of the map, make sure this script is
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// referenced within that section.
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//
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out = new PrintWriter(new FileWriter(outFile))
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out << "// Generated code - DO NOT MODIFY BY HAND\n\n"
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out << "include \"../src/plasma/gamelib.plh\"\n"
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out << "include \"../src/plasma/playtype.plh\"\n"
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out << "include \"../src/plasma/gen_images.plh\"\n\n"
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// Determine which scripts are referenced in the specified section of the map.
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def initScript
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def scripts = []
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inScripts.script.eachWithIndex { script, idx ->
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def name = getScriptName(script)
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if (name != null && name.toLowerCase() == "init")
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scripts << script
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if (name != null && name.toLowerCase() == "init") {
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initScript = script
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}
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else if (script.locationTrigger.any { trig ->
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(!xRange || trig.@x.toInteger() in xRange) &&
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(!yRange || trig.@y.toInteger() in yRange) })
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{
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scripts << script
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scriptNames[script] = "trig_$idx"
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}
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}
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nScripts = scripts.script.size()
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// Even if there were no scripts, we still need an init to display
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// the map name.
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makeStubs()
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makeTriggerTbl(scripts, xRange, yRange)
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scripts.eachWithIndex { script, idx ->
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packScript(idx, script)
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}
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makeInit(mapName, scripts, xRange, yRange, maxX, maxY)
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emitFixupByte(0xFF)
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makeInit(mapName, initScript, maxX, maxY)
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//println " Code stats: data=${data.size}, bytecode=${bytecode.size} (str=$nStringBytes), fixups=${fixups.size}"
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//println "data: $data"
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//println "bytecode: $bytecode"
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//println "fixups: $fixups"
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out.close()
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}
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def makeStubs()
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{
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// Emit a stub for each function, including the init function
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(0..nScripts).each { it ->
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emitDataByte(0x20) // JSR
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emitDataWord(0x3DC) // Aux mem interp ($3DC)
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emitDataWord(0) // Placeholder for the bytecode offset
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}
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}
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def startFunc(scriptNum)
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{
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def fixAddr = (scriptNum * 5) + 3
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assert data[fixAddr] == 0 && data[fixAddr+1] == 0
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data[fixAddr] = (byte)(bytecodeAddr() & 0xFF)
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data[fixAddr+1] = (byte)((bytecodeAddr() >> 8) & 0xFF)
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def outIndented(str) {
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out << (" " * indent) << str
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}
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def packScript(scriptNum, script)
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{
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def name = getScriptName(script)
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if (name.toLowerCase() == "init") // this special script gets processed later
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return
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//println " Script '$name'"
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withContext("script '$name'")
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withContext("script $scriptNum")
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{
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if (script.block.size() == 0) {
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printWarning("empty script found; skipping.")
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return
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}
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// Record the function's start address in its corresponding stub
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startFunc(scriptNum+1)
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// Record the function's name and start its definition
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out << "def script$scriptNum()\n"
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indent = 1
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// Process the code inside it
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def proc = script.block[0]
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@ -2038,17 +2003,10 @@ class PackPartitions
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printWarning "empty statement found; skipping."
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// And complete the function
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finishFunc()
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out << "end\n\n"
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}
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}
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def finishFunc()
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{
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// Finish off the function with a return value and return opcode
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emitCodeByte(0) // ZERO
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emitCodeByte(0x5C) // RET
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}
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def packBlock(blk)
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{
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withContext("${blk.@type}") {
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@ -2060,7 +2018,7 @@ class PackPartitions
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case 'text_clear_window':
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packClearWindow(blk); break
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case 'text_getanykey':
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packGetAnyKey(); break
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packGetAnyKey(blk); break
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case 'controls_if':
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packIfStmt(blk); break
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case 'events_set_map':
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@ -2085,61 +2043,16 @@ class PackPartitions
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// Strangely, blocks seem to be chained together, but hierarchically. Whatever.
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blk.next.each { it.block.each { packBlock(it) } }
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}
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def dataAddr()
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def getSingle(els, name = null, type = null)
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{
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return data.size()
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}
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def bytecodeAddr()
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{
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return bytecode.size()
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}
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def emitDataByte(b)
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{
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assert b <= 255
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data.add((byte)(b & 0xFF))
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}
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def emitDataWord(w)
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{
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emitDataByte(w & 0xFF)
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emitDataByte(w >> 8)
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}
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def emitCodeByte(b)
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{
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assert b <= 255
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bytecode.add((byte)(b & 0xFF))
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}
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def emitCodeWord(w)
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{
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emitCodeByte(w & 0xFF)
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emitCodeByte(w >> 8)
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}
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def emitFixupByte(b)
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{
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assert b <= 255
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fixups.add((byte)(b & 0xFF))
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}
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def emitDataFixup(toAddr)
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{
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// Src addr is reversed (i.e. it's hi then lo)
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emitFixupByte(dataAddr() >> 8)
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emitFixupByte(dataAddr() & 0xFF)
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emitDataWord(toAddr)
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}
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def emitCodeFixup(toAddr)
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{
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// Src addr is reversed (i.e. it's hi then lo), and marked by hi-bit flag.
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emitFixupByte((bytecodeAddr() >> 8) | 0x80)
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emitFixupByte(bytecodeAddr() & 0xFF)
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emitCodeWord(toAddr)
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assert els.size() == 1
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def first = els[0]
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if (name)
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assert first.@name == name
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if (type)
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assert first.@type == type
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return first
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}
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def packTextPrint(blk)
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@ -2148,40 +2061,22 @@ class PackPartitions
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printWarning "empty text_print block, skipping."
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return
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}
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def val = blk.value[0]
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assert val.@name == 'VALUE'
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assert val.block.size() == 1
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def valBlk = val.block[0]
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assert valBlk.@type == 'text'
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assert valBlk.field.size() == 1
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def fld = valBlk.field[0]
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assert fld.@name == 'TEXT'
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def text = fld.text()
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//println " text: '$text'"
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emitAuxString(text)
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emitCodeByte(0x54) // CALL
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emitCodeWord(blk.@type == 'text_print' ? vec_displayStr : vec_displayStrNL)
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emitCodeByte(0x30) // DROP
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def text = getSingle(getSingle(getSingle(blk.value, 'VALUE').block, null, 'text').field, 'TEXT').text()
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outIndented("${blk.@type == 'text_print' ? 'scriptDisplayStr' : 'scriptDisplayStrNL'}(")
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emitString(text)
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out << ")\n"
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}
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def packClearWindow(blk)
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{
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assert blk.value.size() == 0
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//println " clearWindow"
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_clrTextWindow)
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emitCodeByte(0x30) // DROP
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outIndented("clearWindow()\n")
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}
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def packGetAnyKey(blk)
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{
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//println " get any key"
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_getCharacter)
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emitCodeByte(0x30) // DROP
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assert blk.value.size() == 0
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outIndented("getUpperKey()\n")
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}
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def packIfStmt(blk)
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@ -2190,152 +2085,74 @@ class PackPartitions
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printWarning "missing condition; skipping."
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return
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}
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assert blk.value.size() == 1
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def cond = blk.value[0]
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assert cond.@name == 'IF0'
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assert cond.block.size() == 1
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assert cond.block[0].@type == 'text_getboolean'
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//print " Conditional on getboolean,"
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_getYN)
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emitCodeByte(0x4C) // BRFS
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def branchStart = bytecodeAddr()
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emitCodeWord(0) // placeholder until we know how far to jump over
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assert blk.statement.size() == 1
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def doStmt = blk.statement[0]
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assert doStmt.block.size() == 1
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packBlock(doStmt.block[0])
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// Now calculate and fix the relative branch
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def branchEnd = bytecodeAddr()
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def rel = branchEnd - branchStart
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bytecode[branchStart] = (byte)(rel & 0xFF)
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bytecode[branchStart+1] = (byte)((rel >> 8) & 0xFF)
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def cond = getSingle(blk.value, 'IF0')
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outIndented("if (")
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def ctype = getSingle(cond.block)
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switch (ctype.@type) {
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case 'text_getboolean':
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out << "getYN()"
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break
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default:
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assert false : "Conditional on ${ctype.@type} not yet implemented."
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}
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out << ")\n"
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++indent
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packBlock(getSingle(getSingle(blk.statement).block))
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--indent
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outIndented("fin\n")
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}
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def packSetMap(blk)
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{
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def mapNum, x=0, y=0, facing=0
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blk.field.eachWithIndex { fld, idx ->
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switch (fld.@name)
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{
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case 'NAME':
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def mapName = fld.text()
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mapNum = mapNames[mapName]
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if (!mapNum) {
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printWarning "map '$mapName' not found; skipping set_map."
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return
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}
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break
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case 'X':
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x = fld.text().toInteger()
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break
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case 'Y':
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y = fld.text().toInteger()
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break
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case 'FACING':
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facing = fld.text().toInteger()
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assert facing >= 0 && facing <= 15
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break
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default:
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assert false : "Unknown field ${fld.@name}"
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}
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assert blk.field.size() == 4
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assert blk.field[0].@name == 'NAME'
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assert blk.field[1].@name == 'X'
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assert blk.field[2].@name == 'Y'
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assert blk.field[3].@name == 'FACING'
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def mapName = blk.field[0].text()
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def mapNum = mapNames[mapName]
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if (!mapNum) {
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printWarning "map '$mapName' not found; skipping set_map."
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return
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}
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//println " Set map to '$mapName' (num $mapNum)"
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emitCodeByte(0x2A) // CB
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assert mapNum[0] == '2D' || mapNum[0] == '3D'
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emitCodeByte(mapNum[0] == '2D' ? 0 : 1)
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emitCodeByte(0x2A) // CB
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emitCodeByte(mapNum[1])
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emitCodeByte(0x2C) // CW
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emitCodeWord(x)
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emitCodeByte(0x2C) // CW
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emitCodeWord(y)
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emitCodeByte(0x2A) // CB
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emitCodeByte(facing)
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_setMap)
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emitCodeByte(0x30) // DROP
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def x = blk.field[1].text().toInteger()
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def y = blk.field[2].text().toInteger()
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def facing = blk.field[3].text().toInteger()
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assert facing >= 0 && facing <= 15
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outIndented("queue_setMap(${mapNum[0] == '2D' ? 0 : 1}, ${mapNum[1]}, $x, $y)\n")
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}
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def packSetPortrait(blk)
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{
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def portraitNum, portraitName
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blk.field.eachWithIndex { fld, idx ->
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switch (fld.@name)
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{
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case 'NAME':
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portraitName = fld.text()
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def portrait = portraits[portraitName]
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if (!portrait) {
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printWarning "portrait '$portraitName' not found; skipping set_portrait."
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return
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}
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portraitNum = portrait.num
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break
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default:
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assert false : "Unknown field ${fld.@name}"
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}
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def portraitName = getSingle(blk.field, 'NAME').text()
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def portrait = portraits[portraitName]
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if (!portrait) {
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printWarning "portrait '$portraitName' not found; skipping set_portrait."
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return
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}
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emitCodeByte(0x2A) // CB
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emitCodeByte(portraitNum)
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emitCodeByte(0x54) // CALL
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emitCodeWord(vec_setPortrait)
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emitCodeByte(0x30) // DROP
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outIndented("setPortrait(${portrait.num})\n")
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}
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def packClrPortrait(blk)
|
||||
{
|
||||
assert blk.field.size() == 0
|
||||
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_clrPortrait)
|
||||
emitCodeByte(0x30) // DROP
|
||||
outIndented("clearPortrait()\n")
|
||||
}
|
||||
|
||||
def packSetSky(blk)
|
||||
{
|
||||
assert blk.field.size() == 1
|
||||
def fld = blk.field[0]
|
||||
assert fld.@name == 'COLOR'
|
||||
def color = fld.text().toInteger()
|
||||
def color = getSingle(blk.field, 'COLOR').text().toInteger()
|
||||
assert color >= 0 && color <= 17
|
||||
//println " Set sky to $color"
|
||||
|
||||
emitCodeByte(0x2A) // CB
|
||||
emitCodeByte(color)
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_setSky)
|
||||
emitCodeByte(0x30) // DROP
|
||||
outIndented("setSky($color)\n")
|
||||
}
|
||||
|
||||
def packSetGround(blk)
|
||||
{
|
||||
assert blk.field.size() == 1
|
||||
def fld = blk.field[0]
|
||||
assert fld.@name == 'COLOR'
|
||||
def color = fld.text().toInteger()
|
||||
def color = getSingle(blk.field, 'COLOR').text().toInteger()
|
||||
assert color >= 0 && color <= 17
|
||||
//println " Set ground to $color"
|
||||
|
||||
emitCodeByte(0x2A) // CB
|
||||
emitCodeByte(color)
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_setGround)
|
||||
emitCodeByte(0x30) // DROP
|
||||
outIndented("setGround($color)\n")
|
||||
}
|
||||
|
||||
def packTeleport(blk)
|
||||
@ -2348,123 +2165,79 @@ class PackPartitions
|
||||
def y = blk.field[1].text().toInteger()
|
||||
def facing = blk.field[2].text().toInteger()
|
||||
assert facing >= 0 && facing <= 15
|
||||
//println " Teleport to ($x,$y) facing $facing"
|
||||
|
||||
emitCodeByte(0x2C) // CW
|
||||
emitCodeWord(x)
|
||||
emitCodeByte(0x2C) // CW
|
||||
emitCodeWord(y)
|
||||
emitCodeByte(0x2A) // CB
|
||||
emitCodeByte(facing)
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_teleport)
|
||||
emitCodeByte(0x30) // DROP
|
||||
outIndented("queue_teleport($x, $y, $facing)\n")
|
||||
}
|
||||
|
||||
def packMoveBackward(blk)
|
||||
{
|
||||
assert blk.field.size() == 0
|
||||
//println " Move backward"
|
||||
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_moveBackward)
|
||||
emitCodeByte(0x30) // DROP
|
||||
outIndented("moveBackward()\n")
|
||||
}
|
||||
|
||||
def makeInit(mapName, scripts, xRange, yRange, maxX, maxY)
|
||||
|
||||
def makeTriggerTbl(scripts, xRange, yRange)
|
||||
{
|
||||
//println " Script: special 'init'"
|
||||
startFunc(0)
|
||||
|
||||
// Emit the code the user has stored for the init script. While we're scanning,
|
||||
// might as well also collate all the location triggers into a sorted map.
|
||||
//
|
||||
// Emit a predefinition for each function
|
||||
scripts.eachWithIndex { script, idx ->
|
||||
out << "predef script$idx\n"
|
||||
}
|
||||
|
||||
// Collate all the matching location triggers into a sorted map.
|
||||
TreeMap triggers = [:]
|
||||
scripts.eachWithIndex { script, idx ->
|
||||
def name = getScriptName(script)
|
||||
if (name != null && name.toLowerCase() == "init")
|
||||
{
|
||||
if (script.block.size() == 1) {
|
||||
def proc = script.block[0]
|
||||
assert proc.@type == "procedures_defreturn"
|
||||
assert proc.statement.size() == 1
|
||||
def stmt = proc.statement[0]
|
||||
assert stmt.@name == "STACK"
|
||||
stmt.block.each { packBlock(it) }
|
||||
}
|
||||
}
|
||||
else {
|
||||
script.locationTrigger.each { trig ->
|
||||
def x = trig.@x.toInteger()
|
||||
def y = trig.@y.toInteger()
|
||||
if ((!xRange || x in xRange) && (!yRange || y in yRange))
|
||||
{
|
||||
if (xRange)
|
||||
x -= xRange[0]
|
||||
if (yRange)
|
||||
y -= yRange[0]
|
||||
if (!triggers[y])
|
||||
triggers[y] = [:] as TreeMap
|
||||
if (!triggers[y][x])
|
||||
triggers[y][x] = []
|
||||
triggers[y][x].add((idx+1) * 5) // address of function
|
||||
}
|
||||
script.locationTrigger.each { trig ->
|
||||
def x = trig.@x.toInteger()
|
||||
def y = trig.@y.toInteger()
|
||||
if ((!xRange || x in xRange) && (!yRange || y in yRange))
|
||||
{
|
||||
if (xRange)
|
||||
x -= xRange[0]
|
||||
if (yRange)
|
||||
y -= yRange[0]
|
||||
if (!triggers[y])
|
||||
triggers[y] = [:] as TreeMap
|
||||
if (!triggers[y][x])
|
||||
triggers[y][x] = []
|
||||
triggers[y][x].add("script$idx")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Process the map name
|
||||
def shortName = mapName.replaceAll(/[\s-]*[23][dD][-0-9]*$/, '').take(16)
|
||||
|
||||
// Code to register the map name, trigger table, and map extent.
|
||||
emitAuxString(shortName)
|
||||
emitCodeByte(0x26) // LA
|
||||
emitCodeFixup(dataAddr())
|
||||
emitCodeByte(0x2C) // CW
|
||||
emitCodeWord(maxX)
|
||||
emitCodeByte(0x2C) // CW
|
||||
emitCodeWord(maxY)
|
||||
emitCodeByte(0x54) // CALL
|
||||
emitCodeWord(vec_setScriptInfo)
|
||||
emitCodeByte(0x30) // DROP
|
||||
|
||||
// The table itself goes in the data segment. First comes the X
|
||||
// Now output code for the table. First comes the X
|
||||
// and Y origins.
|
||||
emitDataWord(xRange ? xRange[0] : 0)
|
||||
emitDataWord(yRange ? yRange[0] : 0)
|
||||
out << "byte[] triggerTbl = ${xRange ? xRange[0] : 0}, ${yRange ? yRange[0] : 0} // origin X,Y\n"
|
||||
|
||||
// Then the Y tables
|
||||
triggers.each { y, xs ->
|
||||
emitDataByte(y)
|
||||
def size = 2 // 2 bytes for y+off
|
||||
xs.each { x, funcAddrs ->
|
||||
size += funcAddrs.size() * 3 // plus 3 bytes per trigger (x, adrlo, adrhi)
|
||||
xs.each { x, funcs ->
|
||||
size += funcs.size() * 3 // plus 3 bytes per trigger (x, adrlo, adrhi)
|
||||
}
|
||||
emitDataByte(size)
|
||||
xs.each { x, funcAddrs ->
|
||||
funcAddrs.each { funcAddr ->
|
||||
emitDataByte(x)
|
||||
emitDataFixup(funcAddr)
|
||||
out << "byte = $y, $size // Y=$y, size=$size\n"
|
||||
xs.each { x, funcs ->
|
||||
funcs.each { func ->
|
||||
out << " byte = $x; word = @$func // X=$x\n"
|
||||
}
|
||||
// Record a list of trigger locations for the caller's reference
|
||||
locationsWithTriggers << [x, y]
|
||||
}
|
||||
}
|
||||
emitDataByte(0xFF) // mark the end end of the trigger table
|
||||
|
||||
// All done with the init function.
|
||||
finishFunc()
|
||||
out << "byte = \$FF\n\n"
|
||||
}
|
||||
|
||||
def packFixups()
|
||||
def makeInit(mapName, scripts, maxX, maxY)
|
||||
{
|
||||
def buf = []
|
||||
fixups.each { fromOff, fromType, toOff, toType ->
|
||||
assert fromType == 'bytecode'
|
||||
assert toType == 'data'
|
||||
toOff += (nScripts+1) * 5
|
||||
|
||||
// Emit the code the user has stored for the init script.
|
||||
scripts.each { script ->
|
||||
if (script.block.size() == 1)
|
||||
packBlock(getSingle(getSingle(script.block, null, 'procedures_defreturn').statement, 'STACK'))
|
||||
}
|
||||
|
||||
// Code to register the map name, trigger table, and map extent.
|
||||
def shortName = mapName.replaceAll(/[\s-]*[23][dD][-0-9]*$/, '').take(16)
|
||||
out << "setScriptInfo(\"$shortName\", triggerTbl, $maxX, $maxY)\n"
|
||||
|
||||
// All done with the init function.
|
||||
out << "done\n"
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user