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1.1 root 1: /*
2: Hatari
3:
4: Joystick routines
5:
6: NOTE Also the ST uses the joystick port 1 as the default controller
7: - so we allocate our joysticks with index 1 and then 0 so these match.
8: */
9:
10: #include <SDL.h>
11:
12: #include "main.h"
13: #include "configuration.h"
14: #include "debug.h"
15: #include "dialog.h"
16: #include "errlog.h"
17: #include "joy.h"
18: #include "screen.h"
19:
20: #define REVERSE_ID(id) ((id)^1) /* ST joystick 1(default) is first PC joystick found */
21:
22: BOOL bJoystickWorking[2] = { FALSE,FALSE }; /* Is joystick plugged in and working? */
23: int WindowsJoystickID[2]; /* Windows Joystick ID of above joysticks */
24: int JoystickSpaceBar = FALSE; /* State of space-bar on joystick button 2 */
25: int cursorJoyEmu; /* set in view.c */
26:
27:
28: /*-----------------------------------------------------------------------*/
29: /*
30: Initialise joysticks, try to use DirectInput or, if this fails, standard Windows calls
31: */
32: void Joy_Init(void)
33: {
34: /* First, try for DirectInput(this sets bAllowDirectInput)*/
35: // DJoy_Init();
36: /* Also try standard Windows joystick functions */
37: Joy_InitWindows();
38:
39: /* OK, do we have any working joysticks? */
40: if (!bJoystickWorking[1]) {
41: /* No, so if first time install need to set cursor emulation */
42: //FIXME if (bFirstTimeInstall)
43: //FIXME ConfigureParams.Joysticks.Joy[1].bCursorEmulation = TRUE;
44: }
45: /* Make sure we only have one in cursor emulation mode */
46: Joy_PreventBothUsingCursorEmulation();
47:
48: JoystickSpaceBar = FALSE;
49: }
50:
51: //-----------------------------------------------------------------------
52: /*
53: Initialise connected joysticks using Windows library calls
54: */
55: void Joy_InitWindows(void)
56: {
57: //FIXME
58: /*
59: JOYINFO JoyInfo;
60: int i,nPadsConnected,JoyID=1; // Store in ST joystick slot 1 then 0
61:
62: // Scan joystick connection array for first two working joysticks
63: nPadsConnected = joyGetNumDevs();
64: for(i=0; (i<nPadsConnected) && (JoyID>=0); i++) {
65: // Is pad ok?
66: if (joyGetPos(i,&JoyInfo)==JOYERR_NOERROR) {
67: // Set as working(NOTE we assign ST joysticks 1 first), and store Windows ID
68: ErrLog_File("Joystick: %d found\n",JoyID);
69: bJoystickWorking[JoyID] = TRUE;
70: WindowsJoystickID[JoyID] = i;
71: JoyID--;
72: }
73: }
74: */
75: }
76:
77: //-----------------------------------------------------------------------
78: /*
79: Make sure only one joystick is assigned as cursor emulation mode
80: */
81: void Joy_PreventBothUsingCursorEmulation(void)
82: {
83: /* Make sure we cannot have both joysticks assigned as cursor emulation */
84: if (ConfigureParams.Joysticks.Joy[0].bCursorEmulation && ConfigureParams.Joysticks.Joy[0].bCursorEmulation) {
85: ConfigureParams.Joysticks.Joy[0].bCursorEmulation = FALSE;
86: ConfigureParams.Joysticks.Joy[1].bCursorEmulation = TRUE;
87: }
88: }
89:
90: //-----------------------------------------------------------------------
91: /*
92: Read details from joystick using Windows calls
93: NOTE ID is that of ST(ie 1 is default)
94: */
95: BOOL Joy_ReadJoystick(int JoystickID,JOYREADING *pJoyReading)
96: {
97: //FIXME
98: /*
99: JOYINFO JoyInfo;
100:
101: // Joystick is OK, read position
102: if (joyGetPos(WindowsJoystickID[JoystickID],&JoyInfo)==JOYERR_NOERROR) {
103: // Copy details
104: pJoyReading->XPos = JoyInfo.wXpos;
105: pJoyReading->YPos = JoyInfo.wYpos;
106: pJoyReading->Buttons = JoyInfo.wButtons;
107:
108: return(TRUE);
109: }
110: */
111: return(FALSE);
112: }
113:
114: //-----------------------------------------------------------------------
115: /*
116: Read PC joystick and return ST format byte, ie lower 4 bits direction and top bit fire
117: NOTE : ID 0 is Joystick 0/Mouse and ID 1 is Joystick 1(default)
118: */
119: unsigned char Joy_GetStickData(unsigned int JoystickID)
120: {
121: unsigned char Data = 0;
122:
123: //FIXME JOYREADING JoyReading;
124:
125: /* Are we emulating the joystick via the cursor key? */
126: if (ConfigureParams.Joysticks.Joy[JoystickID].bCursorEmulation) {
127: /* If holding 'SHIFT' we actually want cursor key movement, so ignore any of this */
128: if ( !(SDL_GetModState()&(KMOD_LSHIFT|KMOD_RSHIFT)) )
129: {
130: Data = cursorJoyEmu; /* cursorJoyEmu is set in view.c */
131: }
132: }
133: /*
134: else if (bJoystickWorking[JoystickID]) {
135: // Read joystick information from DirectInput or Windows calls into standard format
136: if (!DJoy_ReadJoystick(JoystickID,&JoyReading)) {
137: if (!Joy_ReadJoystick(JoystickID,&JoyReading)) {
138: // Something is wrong, we cannot read the joystick
139: bJoystickWorking[JoystickID] = FALSE;
140: }
141: }
142:
143: // So, did read joysyick OK?
144: if (bJoystickWorking[JoystickID]) {
145: // Directions
146: if (JoyReading.YPos<=JOYRANGE_UP_VALUE)
147: Data |= 0x01;
148: if (JoyReading.YPos>=JOYRANGE_DOWN_VALUE)
149: Data |= 0x02;
150: if (JoyReading.XPos<=JOYRANGE_LEFT_VALUE)
151: Data |= 0x04;
152: if (JoyReading.XPos>=JOYRANGE_RIGHT_VALUE)
153: Data |= 0x08;
154:
155: // Buttons - I've made fire button 2 to simulate the pressing of the space bar(for Xenon II etc...)
156: #ifdef USE_FIREBUTTON_2_AS_SPACE
157: // PC Joystick button 1 is set as ST joystick button and PC button 2 is the space bar
158: if (JoyReading.Buttons&JOY_BUTTON1)
159: Data |= 0x80;
160: if (JoyReading.Buttons&JOY_BUTTON2) {
161: // Only press 'space bar' if not in NULL state
162: if (!JoystickSpaceBar) {
163: // Press, ikbd will send packets and de-press
164: JoystickSpaceBar = JOYSTICK_SPACE_DOWN;
165: }
166: }
167: #else //USE_FIREBUTTON_2_AS_SPACE
168: // PC Joystick buttons 1+2 are set as ST joystick button
169: if ( (JoyReading.Buttons&JOY_BUTTON1) || (JoyReading.Buttons&JOY_BUTTON2) )
170: Data |= 0x80;
171: #endif //USE_FIREBUTTON_2_AS_SPACE
172: }
173: }
174:
175: // Ignore fire button every 8 frames if enabled autofire(for both cursor emulation and joystick)
176: if (ConfigureParams.Joysticks.Joy[JoystickID].bEnableAutoFire) {
177: if ((VBLCounter&0x7)<4)
178: Data &= 0x7f; // Remove top bit!
179: }
180: */
181: return(Data);
182: }
183:
184: //-----------------------------------------------------------------------
185: /*
186: Toggle cursor emulation
187: */
188: void Joy_ToggleCursorEmulation(void)
189: {
190: // Toggle joystick 1 cursor emulation
191: ConfigureParams.Joysticks.Joy[1].bCursorEmulation ^= TRUE;
192: // Prevent both having emulation
193: Joy_PreventBothUsingCursorEmulation();
194: }
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