I'm trying to implement raw input following this and msdn.
The controller is recognized, most of the buttons as well but not the stick values.
Can someone help me? The code is as follows:
*EDIT: The code has been updated (read next post).*
Before entering the game loop (initialization):
1 2 3 4 5 6 7 | RAWINPUTDEVICE DevicesToRegister[1] = {}; DevicesToRegister[0].dwFlags = RIDEV_INPUTSINK; DevicesToRegister[0].usUsagePage = 1; DevicesToRegister[0].usUsage = 4; // * Joystick DevicesToRegister[0].hwndTarget = Window; RegisterRawInputDevices(DevicesToRegister, ArrayCount(DevicesToRegister), sizeof(DevicesToRegister[0])); |
In wndproc:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 | case WM_INPUT: { // TODO: Determine allocation size temp_memory InputMemory = BeginTempMemory(&GlobalMemory.TranArena, Megabytes(2)); // ! Ask for raw input buffer size u32 RawInputBufferSize = 0; if (GetRawInputData((HRAWINPUT)LParam, RID_INPUT, 0, &RawInputBufferSize, sizeof(RAWINPUTHEADER)) == 0) { if (RawInputBufferSize > 0) { char *RawInputBuffer = (char *)PushSize(InputMemory.Arena, RawInputBufferSize); *RawInputBuffer = {}; i32 BytesCopied = GetRawInputData((HRAWINPUT)LParam, RID_INPUT, RawInputBuffer, &RawInputBufferSize, sizeof(RAWINPUTHEADER)); if (BytesCopied > 0) { RAWINPUT *RawInput = (RAWINPUT *)RawInputBuffer; if (RawInput->header.dwType == 2) // ! Joystick { u32 PreparsedDataBufferSize = 0; // ! Ask for Preparsed Data buffer size GetRawInputDeviceInfoA(RawInput->header.hDevice, RIDI_PREPARSEDDATA, 0, &PreparsedDataBufferSize); if (PreparsedDataBufferSize > 0) { PHIDP_PREPARSED_DATA PreparsedData = (PHIDP_PREPARSED_DATA)PushSize(InputMemory.Arena, PreparsedDataBufferSize); // ! Get Preparsed data if (GetRawInputDeviceInfoA(RawInput->header.hDevice, RIDI_PREPARSEDDATA, PreparsedData, &PreparsedDataBufferSize) != -1) { // ! Get device capabilities HIDP_CAPS Caps; if (HidP_GetCaps(PreparsedData, &Caps) == HIDP_STATUS_SUCCESS) { PHIDP_BUTTON_CAPS ButtonCaps = (PHIDP_BUTTON_CAPS)PushArray(InputMemory.Arena, HIDP_BUTTON_CAPS, Caps.NumberInputButtonCaps); *ButtonCaps = {}; USHORT ButtonCapsLength = Caps.NumberInputButtonCaps; // ! Get Button capabilities HidP_GetButtonCaps(HidP_Input, ButtonCaps, &ButtonCapsLength, PreparsedData); u32 NumberOfButtons = ButtonCaps->Range.UsageMax - ButtonCaps->Range.UsageMin + 1; ULONG UsageLength = NumberOfButtons * sizeof(USAGE); PUSAGE Usage = (PUSAGE)PushSize(InputMemory.Arena, UsageLength); *Usage = {}; HidP_GetUsages(HidP_Input, ButtonCaps->UsagePage, 0, Usage, &UsageLength, PreparsedData, (PCHAR)RawInput->data.hid.bRawData, RawInput->data.hid.dwSizeHid); // ! Allocate space for button array b32 *ButtonStates = PushArray(InputMemory.Arena, b32, NumberOfButtons); // ! Fill it with buttons data for (u32 i = 0; i < UsageLength; i++) { i32 ButtonIndex = Usage[i] - ButtonCaps->Range.UsageMin; ButtonStates[ButtonIndex] = true; { char OutputBuffer[256] = {}; sprintf_s(OutputBuffer, sizeof(OutputBuffer), "Button %d: %d", i, ButtonStates[i]); OutputDebugStringA(OutputBuffer); } } // ! Allocate space for value caps array PHIDP_VALUE_CAPS ValueCaps = (PHIDP_VALUE_CAPS)PushArray(InputMemory.Arena, HIDP_VALUE_CAPS, Caps.NumberInputValueCaps); *ValueCaps = {}; USHORT ValueCapsLength = Caps.NumberInputValueCaps; // ! Get Value caps data HidP_GetValueCaps(HidP_Input, ValueCaps, &ValueCapsLength, PreparsedData); // ! Fill it for (u32 i = 0; i < Caps.NumberInputValueCaps; i++) { ULONG Value = 0; HidP_GetUsageValue(HidP_Input, ValueCaps[i].LinkUsagePage, 0, ValueCaps[i].Range.UsageMin, &Value, PreparsedData, (PCHAR)RawInput->data.hid.bRawData, RawInput->data.hid.dwSizeHid); { HIDP_VALUE_CAPS vc = ValueCaps[i]; char OutputBuffer[Kilobytes(2)] = {}; sprintf_s(OutputBuffer, sizeof(OutputBuffer), "UsageMin: %hu - UsageMax: %hu\n - DataIndexMin: %hu - DataIndexMax: %hu - Value: %lu\n\n\n", vc.Range.UsageMin, vc.Range.UsageMax, vc.Range.DataIndexMin, vc.Range.DataIndexMax, Value); OutputDebugStringA(OutputBuffer); } switch (ValueCaps[i].Range.UsageMin) { case 0x30: { LONG LAxisX = (LONG)Value - 128; r32 NormalizedX = 0; if (LAxisX < 0) { NormalizedX = LAxisX / 128; } else { NormalizedX = LAxisX / 127; } GlobalInput.Controllers[1].LeftAxisX = NormalizedX; } break; case 0x31: { LONG LAxisY = (LONG)Value - 128; r32 NormalizedY = 0; if (LAxisY < 0) { NormalizedY = LAxisY / -128; } else { NormalizedY = LAxisY / -127; } GlobalInput.Controllers[1].LeftAxisY = NormalizedY; } break; case 53: { LONG RAxisX = (LONG)Value - 128; r32 NormalizedX = 0; if (RAxisX < 0) { NormalizedX = RAxisX / 128; } else { NormalizedX = RAxisX / 127; } GlobalInput.Controllers[1].RightAxisX = NormalizedX; } break; case 50: { LONG RAxisY = (LONG)Value - 128; r32 NormalizedY = 0; if (RAxisY < 0) { NormalizedY = RAxisY / -128; } else { NormalizedY = RAxisY / -127; } GlobalInput.Controllers[1].RightAxisY = NormalizedY; } break; } } } else { // TODO: GetCaps Failed } } else { // GetRawInputDeviceInfo Failed DWORD Error = GetLastError(); LPVOID MessageBuffer; FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 0, Error, 0, (LPTSTR)&MessageBuffer, 0, 0); OutputDebugStringA("\n\n"); OutputDebugStringA((LPTSTR)MessageBuffer); OutputDebugStringA("\n\n"); } } else { // TODO: Preparsed data was zero } } else { // TODO: Device was not a joystick } } else { // TODO: GetRawInputData failed } } else { // TODO: GetRawInputData did NOT fail but BufferSize was still zero } } else { // TODO: GetRawInputData failed } EndTempMemory(InputMemory); } break; |