mirror of
https://github.com/bjornbytes/lovr.git
synced 2024-07-09 07:33:33 +00:00
22fe333150
- Ref struct only stores refcount now and is more general. - Proxy stores a hash of its type name instead of an enum. - Variants store additional information instead of using a vtable. - Remove the concept of superclasses from the API. - Clean up some miscellaneous includes.
653 lines
17 KiB
C
653 lines
17 KiB
C
#include "api.h"
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#include "headset/headset.h"
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#include "data/modelData.h"
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#include "graphics/model.h"
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#include "graphics/texture.h"
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#include "core/maf.h"
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#include "core/ref.h"
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#include <stdlib.h>
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#if defined(EMSCRIPTEN) || defined(LOVR_USE_OCULUS_MOBILE)
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#define LOVR_HEADSET_HELPER_USES_REGISTRY
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#endif
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const char* HeadsetDrivers[] = {
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[DRIVER_DESKTOP] = "desktop",
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[DRIVER_LEAP_MOTION] = "leap",
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[DRIVER_OCULUS] = "oculus",
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[DRIVER_OCULUS_MOBILE] = "oculusmobile",
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[DRIVER_OPENVR] = "openvr",
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[DRIVER_OPENXR] = "openxr",
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[DRIVER_WEBVR] = "webvr",
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NULL
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};
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const char* HeadsetOrigins[] = {
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[ORIGIN_HEAD] = "head",
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[ORIGIN_FLOOR] = "floor",
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NULL
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};
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const char* Devices[] = {
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[DEVICE_HEAD] = "head",
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[DEVICE_HAND] = "hand",
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[DEVICE_HAND_LEFT] = "hand/left",
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[DEVICE_HAND_RIGHT] = "hand/right",
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[DEVICE_EYE_LEFT] = "eye/left",
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[DEVICE_EYE_RIGHT] = "eye/right",
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[DEVICE_TRACKER_1] = "tracker/1",
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[DEVICE_TRACKER_2] = "tracker/2",
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[DEVICE_TRACKER_3] = "tracker/3",
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[DEVICE_TRACKER_4] = "tracker/4",
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NULL
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};
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const char* DeviceButtons[] = {
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[BUTTON_TRIGGER] = "trigger",
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[BUTTON_THUMBSTICK] = "thumbstick",
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[BUTTON_TOUCHPAD] = "touchpad",
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[BUTTON_GRIP] = "grip",
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[BUTTON_MENU] = "menu",
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[BUTTON_A] = "a",
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[BUTTON_B] = "b",
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[BUTTON_X] = "x",
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[BUTTON_Y] = "y",
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[BUTTON_PROXIMITY] = "proximity",
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NULL
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};
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const char* DeviceAxes[] = {
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[AXIS_TRIGGER] = "trigger",
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[AXIS_THUMBSTICK] = "thumbstick",
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[AXIS_TOUCHPAD] = "touchpad",
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[AXIS_PINCH] = "pinch",
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[AXIS_GRIP] = "grip",
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NULL
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};
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const char* DeviceBones[] = {
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[BONE_THUMB] = "thumb",
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[BONE_INDEX] = "index",
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[BONE_MIDDLE] = "middle",
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[BONE_RING] = "ring",
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[BONE_PINKY] = "pinky",
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[BONE_THUMB_NULL] = "thumb/null",
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[BONE_THUMB_1] = "thumb/1",
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[BONE_THUMB_2] = "thumb/2",
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[BONE_THUMB_3] = "thumb/3",
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[BONE_INDEX_1] = "index/1",
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[BONE_INDEX_2] = "index/2",
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[BONE_INDEX_3] = "index/3",
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[BONE_INDEX_4] = "index/4",
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[BONE_MIDDLE_1] = "middle/1",
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[BONE_MIDDLE_2] = "middle/2",
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[BONE_MIDDLE_3] = "middle/3",
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[BONE_MIDDLE_4] = "middle/4",
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[BONE_RING_1] = "ring/1",
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[BONE_RING_2] = "ring/2",
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[BONE_RING_3] = "ring/3",
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[BONE_RING_4] = "ring/4",
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[BONE_PINKY_1] = "pinky/1",
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[BONE_PINKY_2] = "pinky/2",
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[BONE_PINKY_3] = "pinky/3",
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[BONE_PINKY_4] = "pinky/4",
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NULL
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};
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typedef struct {
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lua_State* L;
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int ref;
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} HeadsetRenderData;
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static HeadsetRenderData headsetRenderData;
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static void renderHelper(void* userdata) {
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HeadsetRenderData* renderData = userdata;
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lua_State* L = renderData->L;
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#ifdef LOVR_HEADSET_HELPER_USES_REGISTRY
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luax_geterror(L);
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if (lua_isnil(L, -1)) {
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lua_pushcfunction(L, luax_getstack);
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lua_rawgeti(L, LUA_REGISTRYINDEX, renderData->ref);
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if (lua_pcall(L, 0, 0, -2)) {
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luax_seterror(L);
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}
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lua_pop(L, 1); // pop luax_getstack
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}
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lua_pop(L, 1);
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#else
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lua_call(L, 0, 0);
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#endif
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}
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static Device luax_optdevice(lua_State* L, int index) {
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const char* str = luaL_optstring(L, 1, "head");
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if (!strcmp(str, "left")) {
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return DEVICE_HAND_LEFT;
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} else if (!strcmp(str, "right")) {
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return DEVICE_HAND_RIGHT;
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}
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return luaL_checkoption(L, 1, "head", Devices);
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}
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static int l_lovrHeadsetGetDriver(lua_State* L) {
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if (lua_gettop(L) == 0) {
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lua_pushstring(L, HeadsetDrivers[lovrHeadsetDriver->driverType]);
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return 1;
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} else {
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Device device = luax_optdevice(L, 1);
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getPose(device, NULL, NULL)) {
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lua_pushstring(L, HeadsetDrivers[driver->driverType]);
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return 1;
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}
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}
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}
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return 0;
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}
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static int l_lovrHeadsetGetName(lua_State* L) {
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char name[256];
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if (lovrHeadsetDriver->getName(name, sizeof(name))) {
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lua_pushstring(L, name);
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} else {
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lua_pushnil(L);
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}
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return 1;
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}
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static int l_lovrHeadsetGetOriginType(lua_State* L) {
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lua_pushstring(L, HeadsetOrigins[lovrHeadsetDriver->getOriginType()]);
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return 1;
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}
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static int l_lovrHeadsetGetDisplayWidth(lua_State* L) {
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uint32_t width, height;
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lovrHeadsetDriver->getDisplayDimensions(&width, &height);
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lua_pushinteger(L, width);
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return 1;
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}
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static int l_lovrHeadsetGetDisplayHeight(lua_State* L) {
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uint32_t width, height;
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lovrHeadsetDriver->getDisplayDimensions(&width, &height);
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lua_pushinteger(L, height);
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return 1;
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}
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static int l_lovrHeadsetGetDisplayDimensions(lua_State* L) {
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uint32_t width, height;
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lovrHeadsetDriver->getDisplayDimensions(&width, &height);
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lua_pushinteger(L, width);
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lua_pushinteger(L, height);
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return 2;
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}
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static int l_lovrHeadsetGetClipDistance(lua_State* L) {
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float clipNear, clipFar;
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lovrHeadsetDriver->getClipDistance(&clipNear, &clipFar);
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lua_pushnumber(L, clipNear);
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lua_pushnumber(L, clipFar);
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return 2;
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}
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static int l_lovrHeadsetSetClipDistance(lua_State* L) {
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float clipNear = luax_checkfloat(L, 1);
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float clipFar = luax_checkfloat(L, 2);
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lovrHeadsetDriver->setClipDistance(clipNear, clipFar);
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return 0;
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}
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static int l_lovrHeadsetGetBoundsWidth(lua_State* L) {
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float width, depth;
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lovrHeadsetDriver->getBoundsDimensions(&width, &depth);
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lua_pushnumber(L, width);
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return 1;
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}
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static int l_lovrHeadsetGetBoundsDepth(lua_State* L) {
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float width, depth;
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lovrHeadsetDriver->getBoundsDimensions(&width, &depth);
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lua_pushnumber(L, depth);
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return 1;
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}
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static int l_lovrHeadsetGetBoundsDimensions(lua_State* L) {
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float width, depth;
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lovrHeadsetDriver->getBoundsDimensions(&width, &depth);
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lua_pushnumber(L, width);
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lua_pushnumber(L, depth);
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return 2;
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}
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static int l_lovrHeadsetGetBoundsGeometry(lua_State* L) {
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uint32_t count;
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const float* points = lovrHeadsetDriver->getBoundsGeometry(&count);
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if (!points) {
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lua_pushnil(L);
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return 1;
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}
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if (lua_type(L, 1) == LUA_TTABLE) {
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lua_settop(L, 1);
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} else {
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lua_settop(L, 0);
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lua_createtable(L, count, 0);
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}
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for (uint32_t i = 0; i < count; i++) {
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lua_pushnumber(L, points[i]);
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lua_rawseti(L, 1, i + 1);
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}
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return 1;
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}
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int l_lovrHeadsetGetPose(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float position[3], orientation[4];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getPose(device, position, orientation)) {
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float angle, ax, ay, az;
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quat_getAngleAxis(orientation, &angle, &ax, &ay, &az);
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lua_pushnumber(L, position[0]);
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lua_pushnumber(L, position[1]);
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lua_pushnumber(L, position[2]);
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lua_pushnumber(L, angle);
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lua_pushnumber(L, ax);
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lua_pushnumber(L, ay);
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lua_pushnumber(L, az);
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return 7;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetPosition(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float position[3], orientation[4];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getPose(device, position, orientation)) {
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lua_pushnumber(L, position[0]);
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lua_pushnumber(L, position[1]);
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lua_pushnumber(L, position[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetOrientation(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float position[3], orientation[4];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getPose(device, position, orientation)) {
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float angle, ax, ay, az;
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quat_getAngleAxis(orientation, &angle, &ax, &ay, &az);
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lua_pushnumber(L, angle);
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lua_pushnumber(L, ax);
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lua_pushnumber(L, ay);
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lua_pushnumber(L, az);
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return 4;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetDirection(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float position[3], orientation[4];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getPose(device, position, orientation)) {
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float v[3] = { 0.f, 0.f, -1.f };
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quat_rotate(orientation, v);
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lua_pushnumber(L, v[0]);
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lua_pushnumber(L, v[1]);
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lua_pushnumber(L, v[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetBonePose(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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DeviceBone bone = luaL_checkoption(L, 2, NULL, DeviceBones);
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float position[3], orientation[4];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getBonePose(device, bone, position, orientation)) {
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float angle, ax, ay, az;
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quat_getAngleAxis(orientation, &angle, &ax, &ay, &az);
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lua_pushnumber(L, position[0]);
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lua_pushnumber(L, position[1]);
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lua_pushnumber(L, position[2]);
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lua_pushnumber(L, angle);
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lua_pushnumber(L, ax);
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lua_pushnumber(L, ay);
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lua_pushnumber(L, az);
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return 7;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetVelocity(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float velocity[3], angularVelocity[3];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getVelocity(device, velocity, angularVelocity)) {
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lua_pushnumber(L, velocity[0]);
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lua_pushnumber(L, velocity[1]);
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lua_pushnumber(L, velocity[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetAngularVelocity(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float velocity[3], angularVelocity[3];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getVelocity(device, velocity, angularVelocity)) {
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lua_pushnumber(L, angularVelocity[0]);
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lua_pushnumber(L, angularVelocity[1]);
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lua_pushnumber(L, angularVelocity[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetAcceleration(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float acceleration[3], angularAcceleration[3];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getAcceleration(device, acceleration, angularAcceleration)) {
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lua_pushnumber(L, acceleration[0]);
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lua_pushnumber(L, acceleration[1]);
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lua_pushnumber(L, acceleration[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetAngularAcceleration(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float acceleration[3], angularAcceleration[3];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getAcceleration(device, acceleration, angularAcceleration)) {
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lua_pushnumber(L, angularAcceleration[0]);
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lua_pushnumber(L, angularAcceleration[1]);
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lua_pushnumber(L, angularAcceleration[2]);
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return 3;
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}
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}
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return 0;
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}
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int l_lovrHeadsetIsDown(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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DeviceButton button = luaL_checkoption(L, 2, NULL, DeviceButtons);
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bool down;
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->isDown(device, button, &down)) {
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lua_pushboolean(L, down);
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return 1;
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}
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}
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return 0;
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}
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int l_lovrHeadsetIsTouched(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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DeviceButton button = luaL_checkoption(L, 2, NULL, DeviceButtons);
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bool touched;
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->isTouched(device, button, &touched)) {
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lua_pushboolean(L, touched);
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return 1;
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}
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}
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return 0;
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}
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int l_lovrHeadsetGetAxis(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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DeviceAxis axis = luaL_checkoption(L, 2, NULL, DeviceAxes);
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float value[3];
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->getAxis(device, axis, value)) {
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switch (axis) {
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case MAX_AXES:
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case AXIS_TRIGGER:
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case AXIS_PINCH:
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case AXIS_GRIP:
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lua_pushnumber(L, value[0]);
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return 1;
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case AXIS_THUMBSTICK:
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case AXIS_TOUCHPAD:
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lua_pushnumber(L, value[0]);
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lua_pushnumber(L, value[1]);
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return 2;
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}
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}
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}
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return 0;
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}
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int l_lovrHeadsetVibrate(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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float strength = luax_optfloat(L, 2, 1.f);
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float duration = luax_optfloat(L, 3, .5f);
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float frequency = luax_optfloat(L, 4, 0.f);
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FOREACH_TRACKING_DRIVER(driver) {
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if (driver->vibrate(device, strength, duration, frequency)) {
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lua_pushboolean(L, true);
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return 1;
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}
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}
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lua_pushboolean(L, false);
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return 1;
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}
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int l_lovrHeadsetNewModel(lua_State* L) {
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Device device = luax_optdevice(L, 1);
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ModelData* modelData = NULL;
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FOREACH_TRACKING_DRIVER(driver) {
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if ((modelData = driver->newModelData(device)) != NULL) {
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break;
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}
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}
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if (modelData) {
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Model* model = lovrModelCreate(modelData);
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luax_pushtype(L, Model, model);
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lovrRelease(ModelData, modelData);
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lovrRelease(Model, model);
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return 1;
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}
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return 0;
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}
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static int l_lovrHeadsetRenderTo(lua_State* L) {
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lua_settop(L, 1);
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luaL_checktype(L, 1, LUA_TFUNCTION);
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#ifdef LOVR_HEADSET_HELPER_USES_REGISTRY
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if (headsetRenderData.ref != LUA_NOREF) {
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luaL_unref(L, LUA_REGISTRYINDEX, headsetRenderData.ref);
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}
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headsetRenderData.ref = luaL_ref(L, LUA_REGISTRYINDEX);
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lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_MAINTHREAD);
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headsetRenderData.L = lua_tothread(L, -1);
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lua_pop(L, 1);
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#else
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|
headsetRenderData.L = L;
|
|
#endif
|
|
lovrHeadsetDriver->renderTo(renderHelper, &headsetRenderData);
|
|
return 0;
|
|
}
|
|
|
|
static int l_lovrHeadsetUpdate(lua_State* L) {
|
|
float dt = luax_checkfloat(L, 1);
|
|
|
|
if (lovrHeadsetDriver->update) {
|
|
lovrHeadsetDriver->update(dt);
|
|
}
|
|
|
|
FOREACH_TRACKING_DRIVER(driver) {
|
|
if (driver->update && driver != lovrHeadsetDriver) {
|
|
driver->update(dt);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int l_lovrHeadsetGetMirrorTexture(lua_State* L) {
|
|
Texture *texture = NULL;
|
|
if (lovrHeadsetDriver->getMirrorTexture)
|
|
texture = lovrHeadsetDriver->getMirrorTexture();
|
|
luax_pushtype(L, Texture, texture);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int deviceIterator(lua_State* L) {
|
|
size_t index = lua_tointeger(L, lua_upvalueindex(1));
|
|
Device* devices = (Device*) lua_touserdata(L, lua_upvalueindex(2));
|
|
size_t count = lua_tointeger(L, lua_upvalueindex(3));
|
|
float position[3], orientation[4];
|
|
|
|
while (index < count) {
|
|
FOREACH_TRACKING_DRIVER(driver) {
|
|
if (driver->getPose(devices[index], position, orientation)) {
|
|
lua_pushstring(L, Devices[devices[index]]);
|
|
lua_pushinteger(L, ++index);
|
|
lua_replace(L, lua_upvalueindex(1));
|
|
return 1;
|
|
}
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static Device hands[] = {
|
|
DEVICE_HAND,
|
|
DEVICE_HAND_LEFT,
|
|
DEVICE_HAND_RIGHT
|
|
};
|
|
|
|
static Device trackers[] = {
|
|
DEVICE_TRACKER_1,
|
|
DEVICE_TRACKER_2,
|
|
DEVICE_TRACKER_3,
|
|
DEVICE_TRACKER_4
|
|
};
|
|
|
|
static int l_lovrHeadsetHands(lua_State* L) {
|
|
lua_pushinteger(L, 0);
|
|
lua_pushlightuserdata(L, hands);
|
|
lua_pushinteger(L, sizeof(hands) / sizeof(hands[0]));
|
|
lua_pushcclosure(L, deviceIterator, 3);
|
|
return 1;
|
|
}
|
|
|
|
static int l_lovrHeadsetTrackers(lua_State* L) {
|
|
lua_pushinteger(L, 0);
|
|
lua_pushlightuserdata(L, trackers);
|
|
lua_pushinteger(L, sizeof(trackers) / sizeof(trackers[0]));
|
|
lua_pushcclosure(L, deviceIterator, 3);
|
|
return 1;
|
|
}
|
|
|
|
static const luaL_Reg lovrHeadset[] = {
|
|
{ "getDriver", l_lovrHeadsetGetDriver },
|
|
{ "getName", l_lovrHeadsetGetName },
|
|
{ "getOriginType", l_lovrHeadsetGetOriginType },
|
|
{ "getDisplayWidth", l_lovrHeadsetGetDisplayWidth },
|
|
{ "getDisplayHeight", l_lovrHeadsetGetDisplayHeight },
|
|
{ "getDisplayDimensions", l_lovrHeadsetGetDisplayDimensions },
|
|
{ "getClipDistance", l_lovrHeadsetGetClipDistance },
|
|
{ "setClipDistance", l_lovrHeadsetSetClipDistance },
|
|
{ "getBoundsWidth", l_lovrHeadsetGetBoundsWidth },
|
|
{ "getBoundsDepth", l_lovrHeadsetGetBoundsDepth },
|
|
{ "getBoundsDimensions", l_lovrHeadsetGetBoundsDimensions },
|
|
{ "getBoundsGeometry", l_lovrHeadsetGetBoundsGeometry },
|
|
{ "getPose", l_lovrHeadsetGetPose },
|
|
{ "getPosition", l_lovrHeadsetGetPosition },
|
|
{ "getOrientation", l_lovrHeadsetGetOrientation },
|
|
{ "getDirection", l_lovrHeadsetGetDirection },
|
|
{ "getBonePose", l_lovrHeadsetGetBonePose },
|
|
{ "getVelocity", l_lovrHeadsetGetVelocity },
|
|
{ "getAngularVelocity", l_lovrHeadsetGetAngularVelocity },
|
|
{ "getAcceleration", l_lovrHeadsetGetAcceleration },
|
|
{ "getAngularAcceleration", l_lovrHeadsetGetAngularAcceleration },
|
|
{ "isDown", l_lovrHeadsetIsDown },
|
|
{ "isTouched", l_lovrHeadsetIsTouched },
|
|
{ "getAxis", l_lovrHeadsetGetAxis },
|
|
{ "vibrate", l_lovrHeadsetVibrate },
|
|
{ "newModel", l_lovrHeadsetNewModel },
|
|
{ "renderTo", l_lovrHeadsetRenderTo },
|
|
{ "update", l_lovrHeadsetUpdate },
|
|
{ "getMirrorTexture", l_lovrHeadsetGetMirrorTexture },
|
|
{ "hands", l_lovrHeadsetHands },
|
|
{ "trackers", l_lovrHeadsetTrackers },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
int luaopen_lovr_headset(lua_State* L) {
|
|
lua_newtable(L);
|
|
luaL_register(L, NULL, lovrHeadset);
|
|
|
|
luax_pushconf(L);
|
|
lua_getfield(L, -1, "headset");
|
|
|
|
vec_t(HeadsetDriver) drivers;
|
|
vec_init(&drivers);
|
|
float offset = 1.7f;
|
|
int msaa = 4;
|
|
|
|
if (lua_istable(L, -1)) {
|
|
|
|
// Drivers
|
|
lua_getfield(L, -1, "drivers");
|
|
int n = luax_len(L, -1);
|
|
for (int i = 0; i < n; i++) {
|
|
lua_rawgeti(L, -1, i + 1);
|
|
vec_push(&drivers, luaL_checkoption(L, -1, NULL, HeadsetDrivers));
|
|
lua_pop(L, 1);
|
|
}
|
|
lua_pop(L, 1);
|
|
|
|
// Offset
|
|
lua_getfield(L, -1, "offset");
|
|
offset = luax_optfloat(L, -1, 1.7f);
|
|
lua_pop(L, 1);
|
|
|
|
// MSAA
|
|
lua_getfield(L, -1, "msaa");
|
|
msaa = luaL_optinteger(L, -1, 4);
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
if (lovrHeadsetInit(drivers.data, drivers.length, offset, msaa)) {
|
|
luax_atexit(L, lovrHeadsetDestroy);
|
|
}
|
|
|
|
vec_deinit(&drivers);
|
|
lua_pop(L, 2);
|
|
|
|
headsetRenderData.ref = LUA_NOREF;
|
|
|
|
return 1;
|
|
}
|