mirror of
https://github.com/bjornbytes/lovr.git
synced 2024-07-06 06:13:36 +00:00
165 lines
4 KiB
C
165 lines
4 KiB
C
#include "api.h"
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#include "event/event.h"
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const char* EventTypes[] = {
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[EVENT_QUIT] = "quit",
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[EVENT_FOCUS] = "focus",
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[EVENT_MOUNT] = "mount",
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[EVENT_THREAD_ERROR] = "threaderror",
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[EVENT_CONTROLLER_ADDED] = "controlleradded",
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[EVENT_CONTROLLER_REMOVED] = "controllerremoved",
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[EVENT_CONTROLLER_PRESSED] = "controllerpressed",
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[EVENT_CONTROLLER_RELEASED] = "controllerreleased",
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};
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static _Thread_local int pollRef;
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static int nextEvent(lua_State* L) {
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Event event;
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if (!lovrEventPoll(&event)) {
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return 0;
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}
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lua_pushstring(L, EventTypes[event.type]);
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switch (event.type) {
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case EVENT_QUIT:
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if (event.data.quit.restart) {
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lua_pushstring(L, "restart");
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} else {
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lua_pushnumber(L, event.data.quit.exitCode);
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}
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return 2;
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case EVENT_FOCUS:
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case EVENT_MOUNT:
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lua_pushboolean(L, event.data.boolean.value);
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return 2;
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#ifndef EMSCRIPTEN
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case EVENT_THREAD_ERROR:
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luax_pushobject(L, event.data.thread.thread);
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lua_pushstring(L, event.data.thread.error);
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free((void*) event.data.thread.error);
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return 3;
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#endif
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case EVENT_CONTROLLER_ADDED:
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case EVENT_CONTROLLER_REMOVED:
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luax_pushobject(L, event.data.controller.controller);
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lovrRelease(event.data.controller.controller);
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return 2;
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case EVENT_CONTROLLER_PRESSED:
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case EVENT_CONTROLLER_RELEASED:
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luax_pushobject(L, event.data.controller.controller);
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lua_pushstring(L, ControllerButtons[event.data.controller.button]);
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return 3;
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default:
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return 1;
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}
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}
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int l_lovrEventInit(lua_State* L) {
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lua_newtable(L);
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luaL_register(L, NULL, lovrEvent);
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// Store nextEvent in the registry to avoid creating a closure every time we poll for events.
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lua_pushcfunction(L, nextEvent);
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pollRef = luaL_ref(L, LUA_REGISTRYINDEX);
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lovrEventInit();
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return 1;
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}
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int l_lovrEventClear(lua_State* L) {
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lovrEventClear();
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return 0;
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}
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int l_lovrEventPoll(lua_State* L) {
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lua_rawgeti(L, LUA_REGISTRYINDEX, pollRef);
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return 1;
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}
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int l_lovrEventPump(lua_State* L) {
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lovrEventPump();
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return 0;
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}
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int l_lovrEventPush(lua_State* L) {
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EventType type = luaL_checkoption(L, 1, NULL, EventTypes);
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EventData data;
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switch (type) {
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case EVENT_QUIT:
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if (lua_type(L, 2) == LUA_TSTRING) {
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data.quit.restart = lua_toboolean(L, 2);
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} else {
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data.quit.exitCode = luaL_optint(L, 2, 0);
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}
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break;
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case EVENT_FOCUS:
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case EVENT_MOUNT:
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data.boolean.value = lua_toboolean(L, 2);
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break;
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#ifdef EMSCRIPTEN
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case EVENT_THREAD_ERROR:
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break;
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#else
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case EVENT_THREAD_ERROR:
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data.thread.thread = luax_checktype(L, 2, Thread);
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data.thread.error = luaL_checkstring(L, 3);
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break;
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#endif
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case EVENT_CONTROLLER_ADDED:
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case EVENT_CONTROLLER_REMOVED:
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data.controller.controller = luax_checktype(L, 2, Controller);
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break;
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case EVENT_CONTROLLER_PRESSED:
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case EVENT_CONTROLLER_RELEASED:
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data.controller.controller = luax_checktype(L, 2, Controller);
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data.controller.button = luaL_checkoption(L, 3, NULL, ControllerButtons);
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break;
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}
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Event event = { .type = type, .data = data };
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lovrEventPush(event);
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return 0;
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}
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int l_lovrEventQuit(lua_State* L) {
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EventData data;
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int argType = lua_type(L, 1);
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if (argType == LUA_TSTRING && 0 == strcmp("restart", lua_tostring(L, 1))) {
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data.quit.restart = true;
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data.quit.exitCode = 0;
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} else if (argType == LUA_TNUMBER || lua_isnoneornil(L, 1)) {
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data.quit.restart = false;
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data.quit.exitCode = luaL_optint(L, 1, 0);
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} else {
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return luaL_argerror (L, 1, "number, nil or the exact string 'restart' expected");
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}
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EventType type = EVENT_QUIT;
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Event event = { .type = type, .data = data };
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lovrEventPush(event);
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return 0;
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}
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const luaL_Reg lovrEvent[] = {
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{ "clear", l_lovrEventClear },
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{ "poll", l_lovrEventPoll },
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{ "pump", l_lovrEventPump },
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{ "push", l_lovrEventPush },
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{ "quit", l_lovrEventQuit },
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{ NULL, NULL }
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};
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