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comparison src/joystick/amigaos/SDL_sysjoystick.c @ 1895:c121d94672cb

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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 92947e3a18db
children
comparison
equal deleted inserted replaced
1894:c69cee13dd76 1895:c121d94672cb
50 * It should return 0, or -1 on an unrecoverable fatal error. 50 * It should return 0, or -1 on an unrecoverable fatal error.
51 */ 51 */
52 52
53 53
54 /* Amiga specific datas */ 54 /* Amiga specific datas */
55 struct Library *LowLevelBase=NULL; 55 struct Library *LowLevelBase = NULL;
56 56
57 ULONG joybut[]= 57 ULONG joybut[] = {
58 { 58 JPF_BUTTON_RED,
59 JPF_BUTTON_RED, 59 JPF_BUTTON_BLUE,
60 JPF_BUTTON_BLUE, 60 JPF_BUTTON_PLAY,
61 JPF_BUTTON_PLAY, 61 JPF_BUTTON_YELLOW,
62 JPF_BUTTON_YELLOW, 62 JPF_BUTTON_GREEN,
63 JPF_BUTTON_GREEN, 63 JPF_BUTTON_FORWARD,
64 JPF_BUTTON_FORWARD, 64 JPF_BUTTON_REVERSE,
65 JPF_BUTTON_REVERSE,
66 }; 65 };
67 66
68 struct joystick_hwdata 67 struct joystick_hwdata
69 { 68 {
70 ULONG joystate; 69 ULONG joystate;
71 }; 70 };
72 71
73 int SDL_SYS_JoystickInit(void) 72 int
74 { 73 SDL_SYS_JoystickInit(void)
75 if(!LowLevelBase) 74 {
76 { 75 if (!LowLevelBase) {
77 if(LowLevelBase=OpenLibrary("lowlevel.library",37)) 76 if (LowLevelBase = OpenLibrary("lowlevel.library", 37))
78 return 2; 77 return 2;
79 } 78 } else
80 else 79 return 2;
81 return 2; 80
82 81 D(bug("%ld joysticks available.\n", SDL_numjoysticks));
83 D(bug("%ld joysticks available.\n",SDL_numjoysticks)); 82
84 83 return 0;
85 return 0;
86 } 84 }
87 85
88 /* Function to get the device-dependent name of a joystick */ 86 /* Function to get the device-dependent name of a joystick */
89 const char *SDL_SYS_JoystickName(int index) 87 const char *
90 { 88 SDL_SYS_JoystickName(int index)
91 if(index<2&&LowLevelBase) 89 {
92 { 90 if (index < 2 && LowLevelBase) {
93 switch(index) 91 switch (index) {
94 { 92 case 0:
95 case 0: 93 return "Port 1 Amiga Joystick/Joypad";
96 return "Port 1 Amiga Joystick/Joypad"; 94 case 1:
97 case 1: 95 return "Port 2 Amiga Joystick/Joypad";
98 return "Port 2 Amiga Joystick/Joypad"; 96 }
99 } 97 }
100 } 98
101 99 SDL_SetError("No joystick available with that index");
102 SDL_SetError("No joystick available with that index"); 100 return (NULL);
103 return(NULL);
104 } 101 }
105 102
106 /* Function to open a joystick for use. 103 /* Function to open a joystick for use.
107 The joystick to open is specified by the index field of the joystick. 104 The joystick to open is specified by the index field of the joystick.
108 This should fill the nbuttons and naxes fields of the joystick structure. 105 This should fill the nbuttons and naxes fields of the joystick structure.
109 It returns 0, or -1 if there is an error. 106 It returns 0, or -1 if there is an error.
110 */ 107 */
111 108
112 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) 109 int
113 { 110 SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
114 ULONG temp,i; 111 {
115 D(bug("Opening joystick %ld\n",joystick->index)); 112 ULONG temp, i;
116 113 D(bug("Opening joystick %ld\n", joystick->index));
117 if(!(joystick->hwdata=SDL_malloc(sizeof(struct joystick_hwdata)))) 114
118 return -1; 115 if (!(joystick->hwdata = SDL_malloc(sizeof(struct joystick_hwdata))))
116 return -1;
119 117
120 /* This loop is to check if the controller is a joypad */ 118 /* This loop is to check if the controller is a joypad */
121 119
122 for(i=0;i<20;i++) 120 for (i = 0; i < 20; i++) {
123 { 121 temp = ReadJoyPort(joystick->index ^ 1); // fix to invert amiga joyports
124 temp=ReadJoyPort(joystick->index^1); // fix to invert amiga joyports 122 WaitTOF();
125 WaitTOF(); 123 }
126 } 124
127 125 if ((temp & JP_TYPE_MASK) == JP_TYPE_GAMECTLR)
128 if((temp&JP_TYPE_MASK)==JP_TYPE_GAMECTLR) 126 joystick->nbuttons = 7;
129 joystick->nbuttons=7; 127 else
130 else 128 joystick->nbuttons = 3;
131 joystick->nbuttons=3; 129
132 130 joystick->nhats = 0;
133 joystick->nhats=0; 131 joystick->nballs = 0;
134 joystick->nballs=0; 132 joystick->naxes = 2;
135 joystick->naxes=2; 133 joystick->hwdata->joystate = 0L;
136 joystick->hwdata->joystate=0L; 134
137 135 return 0;
138 return 0;
139 } 136 }
140 137
141 /* Function to update the state of a joystick - called as a device poll. 138 /* Function to update the state of a joystick - called as a device poll.
142 * This function shouldn't update the joystick structure directly, 139 * This function shouldn't update the joystick structure directly,
143 * but instead should call SDL_PrivateJoystick*() to deliver events 140 * but instead should call SDL_PrivateJoystick*() to deliver events
144 * and update joystick device state. 141 * and update joystick device state.
145 */ 142 */
146 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) 143 void
147 { 144 SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
148 ULONG data; 145 {
149 int i; 146 ULONG data;
150 147 int i;
151 if(joystick->index<2) 148
152 { 149 if (joystick->index < 2) {
153 data=ReadJoyPort(joystick->index); 150 data = ReadJoyPort(joystick->index);
154 151
155 if(data&JP_DIRECTION_MASK) 152 if (data & JP_DIRECTION_MASK) {
156 { 153 if (data & JPF_JOY_DOWN) {
157 if(data&JPF_JOY_DOWN) 154 if (!(joystick->hwdata->joystate & JPF_JOY_DOWN))
158 { 155 SDL_PrivateJoystickAxis(joystick, 0, 127);
159 if(!(joystick->hwdata->joystate&JPF_JOY_DOWN)) 156 } else if (data & JPF_JOY_UP) {
160 SDL_PrivateJoystickAxis(joystick,0,127); 157 if (!(joystick->hwdata->joystate & JPF_JOY_UP))
161 } 158 SDL_PrivateJoystickAxis(joystick, 0, -127);
162 else if(data&JPF_JOY_UP) 159 } else if (joystick->hwdata->
163 { 160 joystate & (JPF_JOY_UP | JPF_JOY_DOWN))
164 if(!(joystick->hwdata->joystate&JPF_JOY_UP)) 161 SDL_PrivateJoystickAxis(joystick, 0, 0);
165 SDL_PrivateJoystickAxis(joystick,0,-127); 162
166 } 163 if (data & JPF_JOY_LEFT) {
167 else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN)) 164 if (!(joystick->hwdata->joystate & JPF_JOY_LEFT))
168 SDL_PrivateJoystickAxis(joystick,0,0); 165 SDL_PrivateJoystickAxis(joystick, 1, -127);
169 166 } else if (data & JPF_JOY_RIGHT) {
170 if(data&JPF_JOY_LEFT) 167 if (!(joystick->hwdata->joystate & JPF_JOY_RIGHT))
171 { 168 SDL_PrivateJoystickAxis(joystick, 1, 127);
172 if(!(joystick->hwdata->joystate&JPF_JOY_LEFT)) 169 } else if (joystick->hwdata->
173 SDL_PrivateJoystickAxis(joystick,1,-127); 170 joystate & (JPF_JOY_LEFT | JPF_JOY_RIGHT))
174 } 171 SDL_PrivateJoystickAxis(joystick, 1, 0);
175 else if(data&JPF_JOY_RIGHT) 172 } else if (joystick->hwdata->
176 { 173 joystate & (JPF_JOY_LEFT | JPF_JOY_RIGHT)) {
177 if(!(joystick->hwdata->joystate&JPF_JOY_RIGHT)) 174 SDL_PrivateJoystickAxis(joystick, 1, 0);
178 SDL_PrivateJoystickAxis(joystick,1,127); 175 } else if (joystick->hwdata->joystate & (JPF_JOY_UP | JPF_JOY_DOWN)) {
179 } 176 SDL_PrivateJoystickAxis(joystick, 0, 0);
180 else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT)) 177 }
181 SDL_PrivateJoystickAxis(joystick,1,0); 178
182 } 179 for (i = 0; i < joystick->nbuttons; i++) {
183 else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT)) 180 if ((data & joybut[i])) {
184 { 181 if (i == 1)
185 SDL_PrivateJoystickAxis(joystick,1,0); 182 data &= (~(joybut[2]));
186 } 183
187 else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN)) 184 if (!(joystick->hwdata->joystate & joybut[i]))
188 { 185 SDL_PrivateJoystickButton(joystick, i, SDL_PRESSED);
189 SDL_PrivateJoystickAxis(joystick,0,0); 186 } else if (joystick->hwdata->joystate & joybut[i])
190 } 187 SDL_PrivateJoystickButton(joystick, i, SDL_RELEASED);
191 188 }
192 for(i=0;i<joystick->nbuttons;i++) 189
193 { 190 joystick->hwdata->joystate = data;
194 if( (data&joybut[i]) ) 191 }
195 { 192
196 if(i==1) 193 return;
197 data&=(~(joybut[2]));
198
199 if(!(joystick->hwdata->joystate&joybut[i]))
200 SDL_PrivateJoystickButton(joystick,i,SDL_PRESSED);
201 }
202 else if(joystick->hwdata->joystate&joybut[i])
203 SDL_PrivateJoystickButton(joystick,i,SDL_RELEASED);
204 }
205
206 joystick->hwdata->joystate=data;
207 }
208
209 return;
210 } 194 }
211 195
212 /* Function to close a joystick after use */ 196 /* Function to close a joystick after use */
213 void SDL_SYS_JoystickClose(SDL_Joystick *joystick) 197 void
214 { 198 SDL_SYS_JoystickClose(SDL_Joystick * joystick)
215 if(joystick->hwdata) 199 {
216 SDL_free(joystick->hwdata); 200 if (joystick->hwdata)
217 return; 201 SDL_free(joystick->hwdata);
202 return;
218 } 203 }
219 204
220 /* Function to perform any system-specific joystick related cleanup */ 205 /* Function to perform any system-specific joystick related cleanup */
221 206
222 void SDL_SYS_JoystickQuit(void) 207 void
223 { 208 SDL_SYS_JoystickQuit(void)
224 if(LowLevelBase) 209 {
225 { 210 if (LowLevelBase) {
226 CloseLibrary(LowLevelBase); 211 CloseLibrary(LowLevelBase);
227 LowLevelBase=NULL; 212 LowLevelBase = NULL;
228 SDL_numjoysticks=0; 213 SDL_numjoysticks = 0;
229 } 214 }
230 return; 215 return;
231 } 216 }
232 217
233 #endif /* SDL_JOYSTICK_AMIGA */ 218 #endif /* SDL_JOYSTICK_AMIGA */
219 /* vi: set ts=4 sw=4 expandtab: */