+++ /dev/null
-/* Reconstructed Commander Keen 4-6 Source Code\r
- * Copyright (C) 2021 K1n9_Duk3\r
- *\r
- * This file is primarily based on:\r
- * Catacomb 3-D Source Code\r
- * Copyright (C) 1993-2014 Flat Rock Software\r
- *\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License along\r
- * with this program; if not, write to the Free Software Foundation, Inc.,\r
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
- */\r
-\r
-//\r
-// ID Engine\r
-// ID_IN.c - Input Manager\r
-// v1.0d1\r
-// By Jason Blochowiak\r
-//\r
-\r
-//\r
-// This module handles dealing with the various input devices\r
-//\r
-// Depends on: Memory Mgr (for demo recording), Sound Mgr (for timing stuff),\r
-// User Mgr (for command line parms)\r
-//\r
-// Globals:\r
-// LastScan - The keyboard scan code of the last key pressed\r
-// LastASCII - The ASCII value of the last key pressed\r
-// DEBUG - there are more globals\r
-//\r
-\r
-#include "ID_HEADS.H"\r
-#pragma hdrstop\r
-\r
-#define KeyInt 9 // The keyboard ISR number\r
-\r
-// Stuff for the joystick\r
-#define JoyScaleMax 32768\r
-#define JoyScaleShift 8\r
-#define MaxJoyValue 5000\r
-\r
-// Global variables\r
- boolean Keyboard[NumCodes],\r
- JoysPresent[MaxJoys],\r
- MousePresent;\r
- boolean Paused;\r
- char LastASCII;\r
- ScanCode LastScan;\r
- KeyboardDef KbdDefs[MaxKbds] = {{0x1d,0x38,0x47,0x48,0x49,0x4b,0x4d,0x4f,0x50,0x51}};\r
- JoystickDef JoyDefs[MaxJoys];\r
- ControlType Controls[MaxPlayers];\r
- boolean GravisGamepad;\r
- word GravisAction[4];\r
- word GravisMap[4];\r
-\r
- boolean Latch;\r
- long MouseDownCount;\r
- boolean LatchedButton0[MaxPlayers];\r
- boolean LatchedButton1[MaxPlayers];\r
-\r
- Demo DemoMode = demo_Off;\r
- byte _seg *DemoBuffer;\r
- word DemoOffset,DemoSize;\r
-\r
-// Internal variables\r
-static boolean IN_Started;\r
-static boolean CapsLock;\r
-static ScanCode CurCode,LastCode;\r
-static byte far ASCIINames[] = // Unshifted ASCII for scan codes\r
- {\r
-// 0 1 2 3 4 5 6 7 8 9 A B C D E F\r
- 0 ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8 ,9 , // 0\r
- 'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0 ,'a','s', // 1\r
- 'd','f','g','h','j','k','l',';',39 ,'`',0 ,92 ,'z','x','c','v', // 2\r
- 'b','n','m',',','.','/',0 ,'*',0 ,' ',0 ,0 ,0 ,0 ,0 ,0 , // 3\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,'7','8','9','-','4','5','6','+','1', // 4\r
- '2','3','0',127,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 5\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 6\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 // 7\r
- },\r
- far ShiftNames[] = // Shifted ASCII for scan codes\r
- {\r
-// 0 1 2 3 4 5 6 7 8 9 A B C D E F\r
- 0 ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8 ,9 , // 0\r
- 'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0 ,'A','S', // 1\r
- 'D','F','G','H','J','K','L',':',34 ,'~',0 ,'|','Z','X','C','V', // 2\r
- 'B','N','M','<','>','?',0 ,'*',0 ,' ',0 ,0 ,0 ,0 ,0 ,0 , // 3\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,'7','8','9','-','4','5','6','+','1', // 4\r
- '2','3','0',127,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 5\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 6\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 // 7\r
- },\r
- far SpecialNames[] = // ASCII for 0xe0 prefixed codes\r
- {\r
-// 0 1 2 3 4 5 6 7 8 9 A B C D E F\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 0\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,13 ,0 ,0 ,0 , // 1\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 2\r
- 0 ,0 ,0 ,0 ,0 ,'/',0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 3\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 4\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 5\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 , // 6\r
- 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 // 7\r
- },\r
-\r
- *ScanNames[] = // Scan code names with single chars\r
- {\r
- "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
- "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
- "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
- "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
- "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
- "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
- "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
- "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
- }, // DEBUG - consolidate these\r
- far ExtScanCodes[] = // Scan codes with >1 char names\r
- {\r
- 1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
- 0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
- 0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
- 0x50,0x4b,0x4d,0x00\r
- },\r
- *ExtScanNames[] = // Names corresponding to ExtScanCodes\r
- {\r
- "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
- "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
- "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
- "Down","Left","Right",""\r
- };\r
-static Direction DirTable[] = // Quick lookup for total direction\r
- {\r
- dir_NorthWest, dir_North, dir_NorthEast,\r
- dir_West, dir_None, dir_East,\r
- dir_SouthWest, dir_South, dir_SouthEast\r
- };\r
-\r
-static void (*INL_KeyHook)(void);\r
-static void interrupt (*OldKeyVect)(void);\r
-\r
-static char *ParmStrings[] = {"nojoys","nomouse",nil};\r
-\r
-// Internal routines\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void interrupt\r
-INL_KeyService(void)\r
-{\r
-static boolean special;\r
- byte k,c,\r
- temp;\r
- int player;\r
-\r
- k = inportb(0x60); // Get the scan code\r
-\r
- // Tell the XT keyboard controller to clear the key\r
- outportb(0x61,(temp = inportb(0x61)) | 0x80);\r
- outportb(0x61,temp);\r
-\r
- if (k == 0xe0) // Special key prefix\r
- special = true;\r
- else if (k == 0xe1) // Handle Pause key\r
- Paused = true;\r
- else\r
- {\r
- if (k & 0x80) // Break code\r
- {\r
- k &= 0x7f;\r
-\r
-// DEBUG - handle special keys: ctl-alt-delete, print scrn\r
-\r
- Keyboard[k] = false;\r
- }\r
- else // Make code\r
- {\r
- LastCode = CurCode;\r
- CurCode = LastScan = k;\r
- Keyboard[k] = true;\r
-\r
- if (Latch)\r
- {\r
- for (player = 0; player < MaxPlayers; player++)\r
- {\r
- if (Controls[player] == ctrl_Keyboard1)\r
- {\r
- if (CurCode == KbdDefs[0].button0)\r
- LatchedButton0[player] = true;\r
- else if (CurCode == KbdDefs[0].button1)\r
- LatchedButton1[player] = true;\r
- }\r
- else if (Controls[player] == ctrl_Keyboard1) // BUG? should probably check for ctrl_Keyboard2 here...\r
- {\r
- if (CurCode == KbdDefs[1].button0)\r
- LatchedButton0[player] = true;\r
- else if (CurCode == KbdDefs[1].button1)\r
- LatchedButton1[player] = true;\r
- }\r
- }\r
- }\r
-\r
- if (special)\r
- c = SpecialNames[k];\r
- else\r
- {\r
- if (k == sc_CapsLock)\r
- {\r
- CapsLock ^= true;\r
- // DEBUG - make caps lock light work\r
- }\r
-\r
- if (Keyboard[sc_LShift] || Keyboard[sc_RShift]) // If shifted\r
- {\r
- c = ShiftNames[k];\r
- if ((c >= 'A') && (c <= 'Z') && CapsLock)\r
- c += 'a' - 'A';\r
- }\r
- else\r
- {\r
- c = ASCIINames[k];\r
- if ((c >= 'a') && (c <= 'z') && CapsLock)\r
- c -= 'a' - 'A';\r
- }\r
- }\r
- if (c)\r
- LastASCII = c;\r
- }\r
-\r
- special = false;\r
- }\r
-\r
- if (INL_KeyHook && !special)\r
- INL_KeyHook();\r
- outportb(0x20,0x20);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
-// mouse driver\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_GetMouseDelta(int *x,int *y)\r
-{\r
- Mouse(MDelta);\r
- *x = _CX;\r
- *y = _DX;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
-// mouse driver\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static word\r
-INL_GetMouseButtons(void)\r
-{\r
- word buttons;\r
-\r
- Mouse(MButtons);\r
- buttons = _BX;\r
- return(buttons);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_GetJoyAbs(word joy,word *xp,word *yp)\r
-{\r
- byte xb,yb,\r
- xs,ys;\r
- word x,y;\r
-\r
- x = y = 0;\r
- xs = joy? 2 : 0; // Find shift value for x axis\r
- xb = 1 << xs; // Use shift value to get x bit mask\r
- ys = joy? 3 : 1; // Do the same for y axis\r
- yb = 1 << ys;\r
-\r
-// Read the absolute joystick values\r
-asm pushf // Save some registers\r
-asm push si\r
-asm push di\r
-asm cli // Make sure an interrupt doesn't screw the timings\r
-\r
-\r
-asm mov dx,0x201\r
-asm in al,dx\r
-asm out dx,al // Clear the resistors\r
-\r
-asm mov ah,[xb] // Get masks into registers\r
-asm mov ch,[yb]\r
-\r
-asm xor si,si // Clear count registers\r
-asm xor di,di\r
-asm xor bh,bh // Clear high byte of bx for later\r
-\r
-asm push bp // Don't mess up stack frame\r
-asm mov bp,MaxJoyValue\r
-\r
-loop:\r
-asm in al,dx // Get bits indicating whether all are finished\r
-\r
-asm dec bp // Check bounding register\r
-asm jz done // We have a silly value - abort\r
-\r
-asm mov bl,al // Duplicate the bits\r
-asm and bl,ah // Mask off useless bits (in [xb])\r
-asm add si,bx // Possibly increment count register\r
-asm mov cl,bl // Save for testing later\r
-\r
-asm mov bl,al\r
-asm and bl,ch // [yb]\r
-asm add di,bx\r
-\r
-asm add cl,bl\r
-asm jnz loop // If both bits were 0, drop out\r
-\r
-done:\r
-asm pop bp\r
-\r
-asm mov cl,[xs] // Get the number of bits to shift\r
-asm shr si,cl // and shift the count that many times\r
-\r
-asm mov cl,[ys]\r
-asm shr di,cl\r
-\r
-asm mov [x],si // Store the values into the variables\r
-asm mov [y],di\r
-\r
-asm pop di\r
-asm pop si\r
-asm popf // Restore the registers\r
-\r
- *xp = x;\r
- *yp = y;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_GetJoyDelta() - Returns the relative movement of the specified\r
-// joystick (from +/-127, scaled adaptively)\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_GetJoyDelta(word joy,int *dx,int *dy,boolean adaptive)\r
-{\r
- word x,y;\r
- longword time;\r
- JoystickDef *def;\r
-static longword lasttime;\r
-\r
- IN_GetJoyAbs(joy,&x,&y);\r
- def = JoyDefs + joy;\r
-\r
- if (x < def->threshMinX)\r
- {\r
- if (x < def->joyMinX)\r
- x = def->joyMinX;\r
-\r
- x = -(x - def->threshMinX);\r
- x *= def->joyMultXL;\r
- x >>= JoyScaleShift;\r
- *dx = (x > 127)? -127 : -x;\r
- }\r
- else if (x > def->threshMaxX)\r
- {\r
- if (x > def->joyMaxX)\r
- x = def->joyMaxX;\r
-\r
- x = x - def->threshMaxX;\r
- x *= def->joyMultXH;\r
- x >>= JoyScaleShift;\r
- *dx = (x > 127)? 127 : x;\r
- }\r
- else\r
- *dx = 0;\r
-\r
- if (y < def->threshMinY)\r
- {\r
- if (y < def->joyMinY)\r
- y = def->joyMinY;\r
-\r
- y = -(y - def->threshMinY);\r
- y *= def->joyMultYL;\r
- y >>= JoyScaleShift;\r
- *dy = (y > 127)? -127 : -y;\r
- }\r
- else if (y > def->threshMaxY)\r
- {\r
- if (y > def->joyMaxY)\r
- y = def->joyMaxY;\r
-\r
- y = y - def->threshMaxY;\r
- y *= def->joyMultYH;\r
- y >>= JoyScaleShift;\r
- *dy = (y > 127)? 127 : y;\r
- }\r
- else\r
- *dy = 0;\r
-\r
- if (adaptive)\r
- {\r
- time = (TimeCount - lasttime) / 2;\r
- if (time)\r
- {\r
- if (time > 8)\r
- time = 8;\r
- *dx *= time;\r
- *dy *= time;\r
- }\r
- }\r
- lasttime = TimeCount;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_GetJoyButtons() - Returns the button status of the specified\r
-// joystick\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static word\r
-INL_GetJoyButtons(word joy)\r
-{\r
-register word result;\r
-\r
- result = inportb(0x201); // Get all the joystick buttons\r
- if (joy == 2)\r
- {\r
- // all 4 buttons (for Gravis Gamepad option)\r
- result >>= 4;\r
- result &= 15;\r
- result ^= 15;\r
- }\r
- else\r
- {\r
- result >>= joy? 6 : 4; // Shift into bits 0-1\r
- result &= 3; // Mask off the useless bits\r
- result ^= 3;\r
- }\r
- return(result);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
-// specified joystick\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-word\r
-IN_GetJoyButtonsDB(word joy)\r
-{\r
- longword endtime;\r
- word result1,result2;\r
-\r
- do\r
- {\r
- result1 = INL_GetJoyButtons(joy);\r
- endtime = TimeCount + 2;\r
- while (TimeCount <= endtime)\r
- ;\r
- result2 = INL_GetJoyButtons(joy);\r
- } while (result1 != result2);\r
- return(result1);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_StartKbd() - Sets up my keyboard stuff for use\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_StartKbd(void)\r
-{\r
- INL_KeyHook = 0; // Clear key hook\r
-\r
- IN_ClearKeysDown();\r
-\r
- OldKeyVect = getvect(KeyInt);\r
- setvect(KeyInt,INL_KeyService);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_ShutKbd() - Restores keyboard control to the BIOS\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_ShutKbd(void)\r
-{\r
- poke(0x40,0x17,peek(0x40,0x17) & 0xfaf0); // Clear ctrl/alt/shift flags\r
-\r
- setvect(KeyInt,OldKeyVect);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_StartMouse() - Detects and sets up the mouse\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static boolean\r
-INL_StartMouse(void)\r
-{\r
- if (getvect(MouseInt))\r
- {\r
- Mouse(MReset);\r
- if (_AX == 0xffff)\r
- return(true);\r
- }\r
- return(false);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_ShutMouse() - Cleans up after the mouse\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_ShutMouse(void)\r
-{\r
-}\r
-\r
-//\r
-// INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
-//\r
-static void\r
-INL_SetJoyScale(word joy)\r
-{\r
- JoystickDef *def;\r
-\r
- def = &JoyDefs[joy];\r
- def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
- def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
- def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
- def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
-// to set up scaling values\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
-{\r
- word d,r;\r
- JoystickDef *def;\r
-\r
- def = &JoyDefs[joy];\r
-\r
- def->joyMinX = minx;\r
- def->joyMaxX = maxx;\r
- r = maxx - minx;\r
- d = r / 5;\r
- def->threshMinX = ((r / 2) - d) + minx;\r
- def->threshMaxX = ((r / 2) + d) + minx;\r
-\r
- def->joyMinY = miny;\r
- def->joyMaxY = maxy;\r
- r = maxy - miny;\r
- d = r / 5;\r
- def->threshMinY = ((r / 2) - d) + miny;\r
- def->threshMaxY = ((r / 2) + d) + miny;\r
-\r
- INL_SetJoyScale(joy);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_StartJoy() - Detects & auto-configures the specified joystick\r
-// The auto-config assumes the joystick is centered\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static boolean\r
-INL_StartJoy(word joy)\r
-{\r
- word x,y;\r
-\r
- IN_GetJoyAbs(joy,&x,&y);\r
-\r
- if\r
- (\r
- ((x == 0) || (x > MaxJoyValue - 10))\r
- || ((y == 0) || (y > MaxJoyValue - 10))\r
- )\r
- return(false);\r
- else\r
- {\r
- IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
- return(true);\r
- }\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_ShutJoy() - Cleans up the joystick stuff\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_ShutJoy(word joy)\r
-{\r
- JoysPresent[joy] = false;\r
-}\r
-\r
-// Public routines\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_ClearButtonLatch() - Clears the button latch stuff\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_ClearButtonLatch(void)\r
-{\r
- int player;\r
-\r
-asm pushf\r
-asm cli\r
-\r
- MouseDownCount = 0;\r
-\r
- for (player = 0; player < MaxPlayers; player++)\r
- {\r
- LatchedButton0[player] = LatchedButton1[player] = 0;\r
- }\r
-\r
-asm popf\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// LatchSndHook() - Hook routine for joystick button latch\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-LatchSndHook(void)\r
-{\r
- int player;\r
- ControlType ctrl;\r
- word buttons;\r
-\r
- for (player = 0; player < MaxPlayers; player++)\r
- {\r
- ctrl = Controls[player];\r
-\r
- if (ctrl == ctrl_Joystick1 || ctrl == ctrl_Joystick2)\r
- {\r
- buttons = INL_GetJoyButtons(ctrl - ctrl_Joystick1);\r
-\r
- if (buttons & 1)\r
- LatchedButton0[player] = true;\r
- if (buttons & 2)\r
- LatchedButton1[player] = true;\r
- }\r
- }\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_LatchButtons() - Enables or disables button latch\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void IN_LatchButtons(boolean enabled)\r
-{\r
- if (enabled)\r
- {\r
- Latch = false;\r
- IN_ClearButtonLatch();\r
- }\r
-\r
- Latch = enabled;\r
- SD_SetUserHook(Latch ? LatchSndHook : NULL);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_Startup() - Starts up the Input Mgr\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_Startup(void)\r
-{\r
- boolean checkjoys,checkmouse;\r
- word i;\r
-\r
- if (IN_Started)\r
- return;\r
-\r
- checkjoys = true;\r
- checkmouse = true;\r
- for (i = 1;i < _argc;i++)\r
- {\r
- switch (US_CheckParm(_argv[i],ParmStrings))\r
- {\r
- case 0:\r
- checkjoys = false;\r
- break;\r
- case 1:\r
- checkmouse = false;\r
- break;\r
- }\r
- }\r
-\r
- INL_StartKbd();\r
- MousePresent = checkmouse? INL_StartMouse() : false;\r
-\r
- for (i = 0;i < MaxJoys;i++)\r
- JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
-\r
- IN_Started = true;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_Default() - Sets up default conditions for the Input Mgr\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_Default(boolean gotit,ControlType in)\r
-{\r
- if\r
- (\r
- (!gotit)\r
- || ((in == ctrl_Joystick1) && !JoysPresent[0])\r
- || ((in == ctrl_Joystick2) && !JoysPresent[1])\r
- || ((in == ctrl_Mouse) && !MousePresent)\r
- )\r
- in = ctrl_Keyboard1;\r
- IN_SetControlType(0,in);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_Shutdown() - Shuts down the Input Mgr\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_Shutdown(void)\r
-{\r
- word i;\r
-\r
- if (!IN_Started)\r
- return;\r
-\r
- INL_ShutMouse();\r
- for (i = 0;i < MaxJoys;i++)\r
- INL_ShutJoy(i);\r
- INL_ShutKbd();\r
-\r
- IN_Started = false;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
-// everytime a real make/break code gets hit\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_SetKeyHook(void (*hook)())\r
-{\r
- // BUG: interrupts should be disabled while setting INL_KeyHook!\r
- INL_KeyHook = hook;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_ClearKeyDown() - Clears the keyboard array\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_ClearKeysDown(void)\r
-{\r
- int i;\r
-\r
- LastScan = sc_None;\r
- LastASCII = key_None;\r
- for (i = 0;i < NumCodes;i++)\r
- Keyboard[i] = false;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-static void\r
-INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
-{\r
- if (buttons & (1 << 0))\r
- info->button0 = true;\r
- if (buttons & (1 << 1))\r
- info->button1 = true;\r
-\r
- info->x += dx;\r
- info->y += dy;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
-// struct\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_ReadCursor(CursorInfo *info)\r
-{\r
- word i,\r
- player,\r
- buttons;\r
- int dx,dy;\r
-\r
- info->x = info->y = 0;\r
- info->button0 = info->button1 = false;\r
-\r
- if (MousePresent)\r
- {\r
- buttons = INL_GetMouseButtons();\r
- INL_GetMouseDelta(&dx,&dy);\r
- INL_AdjustCursor(info,buttons,dx,dy);\r
- }\r
-\r
- for (i = 0;i < MaxJoys;i++)\r
- {\r
- if (!JoysPresent[i])\r
- continue;\r
-\r
- for (player = 0;player < MaxPlayers; player++)\r
- {\r
- if (Controls[player] == ctrl_Joystick1+i)\r
- goto joyok;\r
- }\r
- continue;\r
-\r
-joyok:\r
- buttons = INL_GetJoyButtons(i);\r
- INL_GetJoyDelta(i,&dx,&dy,true);\r
- dx /= 64;\r
- dy /= 64;\r
- INL_AdjustCursor(info,buttons,dx,dy);\r
- }\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_ReadControl() - Reads the device associated with the specified\r
-// player and fills in the control info struct\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_ReadControl(int player,ControlInfo *info)\r
-{\r
- boolean realdelta;\r
- byte dbyte;\r
- word buttons;\r
- int i;\r
- int dx,dy;\r
- Motion mx,my;\r
- ControlType type;\r
-register KeyboardDef *def;\r
-\r
- dx = dy = 0;\r
- mx = my = motion_None;\r
- buttons = 0;\r
-\r
- if (DemoMode == demo_Playback)\r
- {\r
- dbyte = DemoBuffer[DemoOffset + 1];\r
- my = (dbyte & 3) - 1;\r
- mx = ((dbyte >> 2) & 3) - 1;\r
- buttons = (dbyte >> 4) & 3;\r
-\r
- if (!(--DemoBuffer[DemoOffset]))\r
- {\r
- DemoOffset += 2;\r
- if (DemoOffset >= DemoSize)\r
- DemoMode = demo_PlayDone;\r
- }\r
-\r
- realdelta = false;\r
- }\r
- else if (DemoMode == demo_PlayDone)\r
- Quit("Demo playback exceeded");\r
- else\r
- {\r
- switch (type = Controls[player])\r
- {\r
- case ctrl_Keyboard1:\r
- case ctrl_Keyboard2:\r
- def = &KbdDefs[type - ctrl_Keyboard];\r
-\r
- if (Keyboard[def->upleft])\r
- mx = motion_Left,my = motion_Up;\r
- else if (Keyboard[def->upright])\r
- mx = motion_Right,my = motion_Up;\r
- else if (Keyboard[def->downleft])\r
- mx = motion_Left,my = motion_Down;\r
- else if (Keyboard[def->downright])\r
- mx = motion_Right,my = motion_Down;\r
-\r
- if (Keyboard[def->up])\r
- my = motion_Up;\r
- else if (Keyboard[def->down])\r
- my = motion_Down;\r
-\r
- if (Keyboard[def->left])\r
- mx = motion_Left;\r
- else if (Keyboard[def->right])\r
- mx = motion_Right;\r
-\r
- if (Keyboard[def->button0])\r
- buttons += 1 << 0;\r
- if (Keyboard[def->button1])\r
- buttons += 1 << 1;\r
- realdelta = false;\r
- break;\r
- case ctrl_Joystick1:\r
- case ctrl_Joystick2:\r
- INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy,false);\r
- if (GravisGamepad)\r
- {\r
- buttons = INL_GetJoyButtons(2);\r
- for (i=0; i<4; i++)\r
- {\r
- GravisAction[i] = buttons & (1 << GravisMap[i]);\r
- }\r
- }\r
- buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
- realdelta = true;\r
- break;\r
- case ctrl_Mouse:\r
- INL_GetMouseDelta(&dx,&dy);\r
- buttons = INL_GetMouseButtons();\r
- realdelta = true;\r
- break;\r
- }\r
- }\r
-\r
- if (realdelta)\r
- {\r
- mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
- my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
- }\r
- else\r
- {\r
- dx = mx * 127;\r
- dy = my * 127;\r
- }\r
-\r
- info->x = dx;\r
- info->xaxis = mx;\r
- info->y = dy;\r
- info->yaxis = my;\r
- info->button0 = buttons & (1 << 0);\r
- info->button1 = buttons & (1 << 1);\r
- info->dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
-\r
- if (DemoMode == demo_Record)\r
- {\r
- // Pack the control info into a byte\r
- dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
-\r
- if\r
- (\r
- (DemoBuffer[DemoOffset + 1] == dbyte)\r
- && (DemoBuffer[DemoOffset] < 255)\r
- )\r
- (DemoBuffer[DemoOffset])++;\r
- else\r
- {\r
- if (DemoOffset || DemoBuffer[DemoOffset])\r
- DemoOffset += 2;\r
-\r
- if (DemoOffset >= DemoSize)\r
- Quit("Demo buffer overflow");\r
-\r
- DemoBuffer[DemoOffset] = 1;\r
- DemoBuffer[DemoOffset + 1] = dbyte;\r
- }\r
- }\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_SetControlType() - Sets the control type to be used by the specified\r
-// player\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_SetControlType(int player,ControlType type)\r
-{\r
- // DEBUG - check that requested type is present?\r
- Controls[player] = type;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
-// size passed. Returns if the buffer allocation was successful\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-boolean\r
-IN_StartDemoRecord(word bufsize)\r
-{\r
- if (!bufsize)\r
- return(false);\r
-\r
- MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
- DemoMode = demo_Record;\r
- DemoSize = bufsize & ~1;\r
- DemoOffset = 0;\r
- DemoBuffer[0] = DemoBuffer[1] = 0;\r
-\r
- return(true);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_StartDemoPlayback(byte _seg *buffer,word bufsize)\r
-{\r
- DemoBuffer = buffer;\r
- DemoMode = demo_Playback;\r
- DemoSize = bufsize & ~1;\r
- DemoOffset = 0;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_StopDemo() - Turns off demo mode\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_StopDemo(void)\r
-{\r
- if ((DemoMode == demo_Record) && DemoOffset)\r
- DemoOffset += 2;\r
-\r
- DemoMode = demo_Off;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_FreeDemoBuffer(void)\r
-{\r
- if (DemoBuffer)\r
- MM_FreePtr((memptr *)&DemoBuffer);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_GetScanName() - Returns a string containing the name of the\r
-// specified scan code\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-byte *\r
-IN_GetScanName(ScanCode scan)\r
-{\r
- byte **p;\r
- ScanCode far *s;\r
-\r
- for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
- if (*s == scan)\r
- return(*p);\r
-\r
- return(ScanNames[scan]);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
-// returns the scan code\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-ScanCode\r
-IN_WaitForKey(void)\r
-{\r
- ScanCode result;\r
-\r
- while (!(result = LastScan))\r
- ;\r
- LastScan = 0;\r
- return(result);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
-// returns the ASCII value\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-char\r
-IN_WaitForASCII(void)\r
-{\r
- char result;\r
-\r
- while (!(result = LastASCII))\r
- ;\r
- LastASCII = '\0';\r
- return(result);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_AckBack() - Waits for either an ASCII keypress or a button press\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_AckBack(void)\r
-{\r
- word i;\r
-\r
- while (!LastScan)\r
- {\r
- if (MousePresent)\r
- {\r
- if (INL_GetMouseButtons())\r
- {\r
- while (INL_GetMouseButtons())\r
- ;\r
- return;\r
- }\r
- }\r
-\r
- for (i = 0;i < MaxJoys;i++)\r
- {\r
- if (JoysPresent[i] || GravisGamepad)\r
- {\r
- if (IN_GetJoyButtonsDB(i))\r
- {\r
- while (IN_GetJoyButtonsDB(i))\r
- ;\r
- return;\r
- }\r
- }\r
- }\r
- }\r
-\r
- IN_ClearKey(LastScan);\r
- LastScan = sc_None;\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_Ack() - Clears user input & then calls IN_AckBack()\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-void\r
-IN_Ack(void)\r
-{\r
- word i;\r
-\r
- IN_ClearKey(LastScan);\r
- LastScan = sc_None;\r
-\r
- if (MousePresent)\r
- while (INL_GetMouseButtons())\r
- ;\r
- for (i = 0;i < MaxJoys;i++)\r
- if (JoysPresent[i] || GravisGamepad)\r
- while (IN_GetJoyButtonsDB(i))\r
- ;\r
-\r
- IN_AckBack();\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_IsUserInput() - Returns true if a key has been pressed or a button\r
-// is down\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-boolean\r
-IN_IsUserInput(void)\r
-{\r
- boolean result;\r
- word i;\r
-\r
- result = LastScan;\r
-\r
- if (MousePresent)\r
- if (INL_GetMouseButtons())\r
- result = true;\r
-\r
- for (i = 0;i < MaxJoys;i++)\r
- if (JoysPresent[i] || GravisGamepad)\r
- if (INL_GetJoyButtons(i))\r
- result = true;\r
-\r
- return(result);\r
-}\r
-\r
-///////////////////////////////////////////////////////////////////////////\r
-//\r
-// IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
-// user pressing a key or a mouse button. If the clear flag is set, it\r
-// then either clears the key or waits for the user to let the mouse\r
-// button up.\r
-//\r
-///////////////////////////////////////////////////////////////////////////\r
-boolean\r
-IN_UserInput(longword delay,boolean clear)\r
-{\r
- longword lasttime;\r
-\r
- lasttime = TimeCount;\r
- do\r
- {\r
- if (IN_IsUserInput())\r
- {\r
- if (clear)\r
- IN_AckBack();\r
- return(true);\r
- }\r
- } while (TimeCount - lasttime < delay);\r
- return(false);\r
-}\r
projects / 16.git / blobdiff