Fixed some broken functions, added Lua test script to tools

Note I only plan to add files to the tools folder that are helpful for quickly testing the implemented Lua functions. (they aren't used in the build.)

src/frontend/qt_sdl/EmuInstance.h

@@ -258,6 +258,7 @@ public:
     bool doAudioSync;
 
     melonDS::u32 getInputMask(){return inputMask;}
+    std::map<melonDS::u8,bool> KeyboardMask; //For Lua Scripts
 private:
 
     std::unique_ptr<melonDS::Savestate> backupState;

src/frontend/qt_sdl/EmuInstanceInput.cpp

@@ -71,6 +71,10 @@ void EmuInstance::inputInit()
     hotkeyMask = 0;
     lastHotkeyMask = 0;
 
+    for (int i=0;i<256;i++){
+        KeyboardMask[i]=false;
+    }
+
     joystick = nullptr;
     controller = nullptr;
     hasRumble = false;
@@ -218,6 +222,11 @@ int getEventKeyVal(QKeyEvent* event)
 
 void EmuInstance::onKeyPress(QKeyEvent* event)
 {
+    if (event->key()<256)
+        KeyboardMask[event->key()]=true;
+    if ((event->key()&0x01000000)>0 && (event->key()&0xff)<0x41) //special keys (there is probably a less messy way to write this...)
+            KeyboardMask[0xff - (event->key()&0xff)]=true;
+
     int keyHK = getEventKeyVal(event);
     int keyKP = keyHK;
     keyStrokes.push_back(keyHK);
@@ -235,6 +244,11 @@ void EmuInstance::onKeyPress(QKeyEvent* event)
 
 void EmuInstance::onKeyRelease(QKeyEvent* event)
 {
+    if (event->key()<256)
+        KeyboardMask[event->key()]=false;
+    if ((event->key()&0x01000000)>0 && (event->key()&0xff)<0x41)//special keys
+        KeyboardMask[0xff - (event->key()&0xff)]=false;
+    
     int keyHK = getEventKeyVal(event);
     int keyKP = keyHK;
     if (event->modifiers() != Qt::KeypadModifier)

src/frontend/qt_sdl/LuaMain.cpp

@@ -361,18 +361,20 @@ AddLuaFunction(Lua_Reads32,Reads32);
 
 int Lua_NDSTapDown(lua_State* L)
 {
+    LuaBundle* bundle = get_bundle(L);
+    melonDS::NDS* nds = bundle->getEmuInstance()->getNDS();
     int x = luaL_checkinteger(L,1);
     int y = luaL_checkinteger(L,2);
-    //TODO
-    //NDS::TouchScreen(x,y);
+    nds->TouchScreen(x,y);
     return 0;
 }
 AddLuaFunction(Lua_NDSTapDown,NDSTapDown);
 
 int Lua_NDSTapUp(lua_State* L)
 {
-    //TODO
-    //NDS::ReleaseScreen();
+    LuaBundle* bundle = get_bundle(L);
+    melonDS::NDS* nds = bundle->getEmuInstance()->getNDS();
+    nds->ReleaseScreen();
     return 0;
 }
 AddLuaFunction(Lua_NDSTapUp,NDSTapUp);
@@ -424,6 +426,19 @@ int Lua_getMouse(lua_State* L)
 }
 AddLuaFunction(Lua_getMouse,GetMouse);
 
+int Lua_KeyboardMask(lua_State* L)
+{
+    LuaBundle* bundle = get_bundle(L);
+
+    lua_createtable(L,0,256);
+    for (int i=0;i<256;i++){
+        lua_pushboolean(L,bundle->getEmuInstance()->KeyboardMask[i]);
+        lua_seti(L,-2,i);
+    }
+    return 1;
+}
+AddLuaFunction(Lua_KeyboardMask,KeyboardMask);
+
 /*--------------------------------------------------------------------------------------------------
                             Front-end lua function definitions
 --------------------------------------------------------------------------------------------------*/
@@ -472,7 +487,7 @@ int Lua_Flip(lua_State* L)
 }
 AddLuaFunction(Lua_Flip,Flip);
 
-//text(int x, int y, string message, [u32 color = 'black'], [int fontsize = 9], [string fontfamily = Franklin Gothic Medium])
+//Text(int x, int y, string message, [u32 color = 'black'], [int fontsize = 9], [string fontfamily = Franklin Gothic Medium])
 int Lua_text(lua_State* L) 
 {
     LuaBundle* bundle = get_bundle(L);
@@ -538,6 +553,21 @@ int Lua_fillrect(lua_State* L)
 }
 AddLuaFunction(Lua_fillrect,FillRect);
 
+int Lua_Ellipse(lua_State* L)
+{
+    LuaBundle* bundle = get_bundle(L);
+    melonDS::u32 color = luaL_checknumber(L,5);
+    int x = luaL_checknumber(L,1);
+    int y = luaL_checknumber(L,2);
+    int width = luaL_checknumber(L,3);
+    int height = luaL_checknumber(L,4);
+    QPainter painter(bundle->luaCanvas->imageBuffer);
+    painter.setPen(color);
+    painter.drawEllipse(x,y,width,height);
+    return 0;
+}
+AddLuaFunction(Lua_Ellipse,Ellipse);
+
 int Lua_keystrokes(lua_State* L)
 {
     LuaBundle* bundle = get_bundle(L);
@@ -548,7 +578,6 @@ int Lua_keystrokes(lua_State* L)
         lua_seti(L,-2,i);
     }
     bundle->getEmuInstance()->keyStrokes.clear();
-    lua_createtable(L,0,1);
     return 1;
 }
 AddLuaFunction(Lua_keystrokes,Keys);
@@ -590,7 +619,6 @@ AddLuaFunction(Lua_clearImageHash,ClearHash);
 
 int Lua_getJoy(lua_State* L)
 {
-    //TODO:
     LuaBundle* bundle = get_bundle(L);
     melonDS::u32 buttonMask=bundle->getEmuInstance()->getInputMask();//current button state.
     const char* keys[12] =

tools/LuaScripts/LuaScriptTest.lua

@@ -0,0 +1,153 @@
+-- Simple Script to test most of the different Lua Functions for MelonDS
+-- Written by NPO197
+
+MelonClear()
+
+MelonPrint("This text Should be cleared")
+
+MelonClear()
+
+MelonPrint("Running Test...")
+
+u32Data = Readu32(0x00000000)
+
+MelonPrint(string.format("DataZero: %x",u32Data))
+
+NDSTapDown(0,0)
+
+NDSTapUp()
+
+--StateSave("SaveState_Auto")
+
+--StateLoad("SaveState_Auto")
+
+canvas = MakeCanvas(0,0,500,500)
+
+SetCanvas(canvas)
+
+ClearOverlay()
+
+FillRect(0,0,55,11,0xffffffff)
+
+Text(0,9,"Test Message")
+
+Line(0,10,55,10,0x00ff00ff)
+
+Rect(0,0,55,11,0xff00ff00)
+
+DrawImage("Lua-Logo_128x128.png",0,60)
+
+Text(0,200,"WASD to move \"lua Stylus\", Q to tap screen",0xffffff)
+
+--ClearHash()
+
+Flip()
+
+
+-------- Main Loop ----------
+
+typed = ""
+keys = {}
+joys = {}
+
+--protected ints -> string
+function pInts2Str(ints)
+    str = ""
+    for _,i in pairs(ints) do
+        if pcall(string.char,i) then
+            str = str..string.char(i)
+        else
+            MelonPrint("NonAscii:"..i)
+            typed = ""
+        end    
+    end
+    return str
+end
+
+
+textFunctions = {
+    --MousePosText 
+    [1] = function()
+        mouse = GetMouse()
+        return "MousePos:"..mouse.X..","..mouse.Y
+    end,
+    --MouseButtonText 
+    [2] = function()
+        mouse = GetMouse()
+        str = ""
+        for k,v in pairs(mouse) do
+            if k~="X" and k~="Y" and v then
+                str = str..k
+            end
+        end
+        return "MouseBtn:"..str
+    end,
+    --KeysText
+    [3] = function()
+        keys = Keys()
+        temp = pInts2Str(keys)
+        typed = typed..temp
+        return "Keys:"..typed
+    end,
+    --JoyText
+    [4] = function()
+        joys = GetJoy()
+        str = ""
+        for k,v in pairs(joys) do
+            if v then
+                str = str..k
+            end
+        end
+        return "Joy:"..str
+    end
+}
+
+function TextLoop()
+    SetCanvas(textCanvas)
+    ClearOverlay()
+    y = 0
+    for _,tfunct in ipairs(textFunctions) do
+        y = y+10
+        Text(0,y,tfunct(),0xffffff)
+    end
+    Flip()
+end
+
+Stylus = {
+    x = 0,
+    y = 0,
+}
+
+function Stylus:Loop()
+    move = {
+        --Key = {dx,dy}
+        ["W"] = {0,-1},
+        ["A"] = {-1,0},
+        ["S"] = {0,1},
+        ["D"] = {1,0}
+    }
+    mask = KeyboardMask()
+    for tkey,dir in pairs(move) do
+        if mask[string.byte(tkey)] then
+            self.x=self.x+dir[1]
+            self.y=self.y+dir[2]
+        end
+    end
+    if mask[string.byte("Q")] then
+        NDSTapDown(self.x,self.y)
+    else
+        NDSTapUp()
+    end
+    SetCanvas(vstylusCanvas)
+    ClearOverlay()
+    Ellipse(self.x-5,self.y-5,10,10,0xffffffff)
+    Ellipse(self.x-2,self.y-2,4,4,0x00000000)    
+    Flip()
+end
+
+textCanvas = MakeCanvas(0,12,500,100)
+vstylusCanvas = MakeCanvas(0,0,256,192,1) -- bottom screen
+function _Update()
+    TextLoop()
+    Stylus:Loop()
+end