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Wii: Add support for tilt sensor, and in-progress gyro

This commit is contained in:
Jeffrey Pfau 2015-08-30 01:18:55 -07:00
parent 03bd082caa
commit 0aaafb9d4e
1 changed files with 58 additions and 0 deletions
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58
src/platform/wii/main.c
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@ -28,6 +28,10 @@ static bool GBAWiiLoadGame(const char* path);
static void _postVideoFrame(struct GBAAVStream*, struct GBAVideoRenderer* renderer); static void _postVideoFrame(struct GBAAVStream*, struct GBAVideoRenderer* renderer);
static void _audioDMA(void); static void _audioDMA(void);
static void _setRumble(struct GBARumble* rumble, int enable); static void _setRumble(struct GBARumble* rumble, int enable);
static void _sampleRotation(struct GBARotationSource* source);
static int32_t _readTiltX(struct GBARotationSource* source);
static int32_t _readTiltY(struct GBARotationSource* source);
static int32_t _readGyroZ(struct GBARotationSource* source);
static void _drawStart(void); static void _drawStart(void);
static void _drawEnd(void); static void _drawEnd(void);
@ -37,11 +41,15 @@ static struct GBAContext context;
static struct GBAVideoSoftwareRenderer renderer; static struct GBAVideoSoftwareRenderer renderer;
static struct GBAAVStream stream; static struct GBAAVStream stream;
static struct GBARumble rumble; static struct GBARumble rumble;
static struct GBARotationSource rotation;
static FILE* logfile; static FILE* logfile;
static GXRModeObj* mode; static GXRModeObj* mode;
static Mtx model, view, modelview; static Mtx model, view, modelview;
static uint16_t* texmem; static uint16_t* texmem;
static GXTexObj tex; static GXTexObj tex;
static int32_t tiltX;
static int32_t tiltY;
static int32_t gyroZ;
static void* framebuffer[2]; static void* framebuffer[2];
static int whichFb = 0; static int whichFb = 0;
@ -142,6 +150,11 @@ int main() {
rumble.setRumble = _setRumble; rumble.setRumble = _setRumble;
rotation.sample = _sampleRotation;
rotation.readTiltX = _readTiltX;
rotation.readTiltY = _readTiltY;
rotation.readGyroZ = _readGyroZ;
GBAContextInit(&context, 0); GBAContextInit(&context, 0);
struct GBAOptions opts = { struct GBAOptions opts = {
.useBios = true, .useBios = true,
@ -152,6 +165,7 @@ int main() {
context.gba->logHandler = GBAWiiLog; context.gba->logHandler = GBAWiiLog;
context.gba->stream = &stream; context.gba->stream = &stream;
context.gba->rumble = &rumble; context.gba->rumble = &rumble;
context.gba->rotationSource = &rotation;
GBAVideoSoftwareRendererCreate(&renderer); GBAVideoSoftwareRendererCreate(&renderer);
renderer.outputBuffer = memalign(32, 256 * 256 * BYTES_PER_PIXEL); renderer.outputBuffer = memalign(32, 256 * 256 * BYTES_PER_PIXEL);
@ -182,7 +196,18 @@ int main() {
if (!GUISelectFile(&params, path, sizeof(path), GBAIsROM) || !GBAWiiLoadGame(path)) { if (!GUISelectFile(&params, path, sizeof(path), GBAIsROM) || !GBAWiiLoadGame(path)) {
break; break;
} }
WPAD_SetDataFormat(0, WPAD_FMT_BTNS_ACC);
GBAContextStart(&context); GBAContextStart(&context);
if (context.gba->memory.hw.devices & HW_GYRO) {
int i;
for (i = 0; i < 6; ++i) {
u32 result = WPAD_SetMotionPlus(0, 1);
if (result == WPAD_ERR_NONE) {
break;
}
sleep(1);
}
}
guOrtho(proj, -10, VIDEO_VERTICAL_PIXELS + 10, 0, VIDEO_HORIZONTAL_PIXELS, 0, 300); guOrtho(proj, -10, VIDEO_VERTICAL_PIXELS + 10, 0, VIDEO_HORIZONTAL_PIXELS, 0, 300);
GX_LoadProjectionMtx(proj, GX_ORTHOGRAPHIC); GX_LoadProjectionMtx(proj, GX_ORTHOGRAPHIC);
@ -439,3 +464,36 @@ void _setRumble(struct GBARumble* rumble, int enable) {
PAD_ControlMotor(0, PAD_MOTOR_STOP); PAD_ControlMotor(0, PAD_MOTOR_STOP);
} }
} }
void _sampleRotation(struct GBARotationSource* source) {
UNUSED(source);
vec3w_t accel;
WPAD_Accel(0, &accel);
// These are swapped
tiltX = (accel.y - 0x1EA) << 22;
tiltY = (accel.x - 0x1EA) << 22;
// This doesn't seem to work at all with -TR remotes
struct expansion_t exp;
WPAD_Expansion(0, &exp);
if (exp.type != EXP_MOTION_PLUS) {
return;
}
gyroZ = exp.mp.rz - 0x1FA0;
gyroZ <<= 18;
}
int32_t _readTiltX(struct GBARotationSource* source) {
UNUSED(source);
return tiltX;
}
int32_t _readTiltY(struct GBARotationSource* source) {
UNUSED(source);
return tiltY;
}
int32_t _readGyroZ(struct GBARotationSource* source) {
UNUSED(source);
return gyroZ;
}