SFMatch.lua

---------   --------------------------------------------------------------------
-- The runtime file for the SSF2 AI framework. Loads the algorithms that will
-- control the 2 player characters, and then repeatedly polls them for input,
-- applying that input to the emulator.
-- 
-- 2017 Edward Hummerston
-----------------------------------------------------------------------------

require("SSF2-AI.SFDraw")

SFMatch = {}

function SFMatch.run (botOne, botTwo, debugUI)
   while true do  -- loop once per frame

      -- erase input values from previous frame
      if(botOne ~= nil) then
         botOne:resetPad()
      end
      if(botTwo ~= nil) then
         botTwo:resetPad()
      end
      
      -- this memory value is currently incorrect.
      if memory.read_u8(0x10083) == 0x0 then -- if the game is in a fight state
         -- algorithms resolve their controller states
         if(botOne ~= nil) then
            botOne:advance()
         end
         if(botTwo ~= nil) then
            botTwo:advance()
         end
      end
      
      -- convert separate player input tables to Bizhawk table
      pads = {}
      if(botOne ~= nil) then
         pads = botOne:getPad()
         if(botTwo ~= nil) then
            botTwoPad = botTwo:getPad()

            -- append first table with the second, formatting is already correct
            for k,v in pairs(botTwoPad) do
               pads[k] = v
            end
         end
      elseif(botTwo ~= nil) then
         pads = botTwo:getPad()
      end
      
      -- send to emulator
      joypad.set(pads)

      -- p1 info
      if(botOne ~= nil) then
         SFDraw.drawName(1, botOne:getName())
         SFDraw.drawPad(1, pads)
      else
         SFDraw.drawPad(1, joypad.getimmediate())
      end
      
      -- p2 info
      if(botTwo ~= nil) then
         SFDraw.drawName(2, botTwo:getName())
         SFDraw.drawPad(2, pads)
      else
         SFDraw.drawPad(2, joypad.getimmediate())
      end
      
      if(debugUI) then
         -- proximity block boolean
         gui.pixelText(4,0,"atk " .. tostring(memory.read_u8(0x5E9) == 0x1))
         gui.pixelText(148,0,"atk " .. tostring(memory.read_u8(0x829) == 0x1))
         
         -- action print
         if(botOne ~= nil) then
            gui.pixelText(4,7,botOne:getAction())
         end
         if(botTwo ~= nil) then
            gui.pixelText(148,7,botTwo:getAction())
         end
         
         gui.pixelText(16,35,tostring(memory.read_u8(0x530)))  -- p1 health
         gui.pixelText(227,35,tostring(memory.read_u8(0x770))) -- p2 health
         
         -- distance bars
         local distance = memory.read_u8(0x5EB)
         gui.pixelText(122,202,tostring(distance))
         gui.drawLine(127 - distance/2, 200, distance/2 + 128, 200)
         gui.drawLine(127,199,128,199)
         local distance2 = memory.read_s16_le(0x747) - memory.read_s16_le(0x507)
         gui.drawLine(127 - distance2/2, 201, distance2/2 + 128, 201)
         
      end
      
      -- emulator resolves cycle
      emu.frameadvance()
      
   end

   -- DO NOT REACH HERE
   error("Infinite loop broken")
end