sample: screen control sample

mixer · May 17, 2018 · 1876946 · 1876946
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diff --git a/samples/InteractiveScreenControlSample/InteractiveSample.vcxproj b/samples/InteractiveScreenControlSample/InteractiveSample.vcxproj
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diff --git a/samples/InteractiveScreenControlSample/InteractiveSample.vcxproj.filters b/samples/InteractiveScreenControlSample/InteractiveSample.vcxproj.filters
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diff --git a/samples/InteractiveScreenControlSample/InteractiveScreenControlSample.cpp b/samples/InteractiveScreenControlSample/InteractiveScreenControlSample.cpp
@@ -0,0 +1,168 @@
+#include "stdafx.h"
+#include "../../source/interactivity.h"
+#include "../../source/internal/rapidjson/Document.h"
+
+#include <windows.h>
+#include <shellapi.h>
+
+// STL includes
+#include <chrono>
+#include <thread>
+#include <iostream>
+#include <map>
+#include <string>
+
+#define CLIENT_ID		"f0d20e2d263b75894f5cdaabc8a344b99b1ea6f9ecb7fa4f"
+#define INTERACTIVE_ID	"247834"
+#define SHARE_CODE		"v8t3hlaa"
+
+#define MIXER_DEBUG 0
+
+std::map<std::string, std::string> controlsByTransaction;
+
+// Display an OAuth consent page to the user.
+int authorize(std::string& authorization);
+
+// Handle interactive input.
+void handle_interactive_input(void* context, interactive_session session, const interactive_input* input);
+
+int main()
+{
+	int err = 0;
+
+#if MIXER_DEBUG
+	interactive_config_debug(interactive_debug_trace, [](const interactive_debug_level dbgMsgType, const char* dbgMsg, size_t dbgMsgSize)
+	{
+		std::cout << dbgMsg << std::endl;
+	});
+#endif
+
+	// Get an authorization token for the user to pass to the connect function.
+	std::string authorization;
+	err = authorize(authorization);
+	if (err) return err;
+
+	// Connect to the user's interactive channel, using the interactive project specified by the version ID.
+	interactive_session session;
+	err = interactive_open_session(authorization.c_str(), INTERACTIVE_ID, SHARE_CODE, false, &session);
+	if (err) return err;
+
+	// Register a callback for button presses.
+	err = interactive_set_input_handler(session, handle_interactive_input);
+	if (err) return err;
+
+	// Now notify participants that interactive is ready.
+	err = interactive_set_ready(session, true);
+	if (err) return err;
+
+	// Simulate game update loop. All previously registered session callbacks will be called from this thread.
+	for (;;)
+	{
+		// This call processes any waiting messages from the interactive service. If there are no messages this returns immediately.
+		err = interactive_run(session, 1);
+		if (err) break;
+		std::this_thread::sleep_for(std::chrono::milliseconds(16));
+	}
+
+	interactive_close_session(session);
+
+	return err;
+}
+
+int authorize(std::string& authorization)
+{
+	int err = 0;
+	char shortCode[7];
+	size_t shortCodeLength = _countof(shortCode);
+	char shortCodeHandle[1024];
+	size_t shortCodeHandleLength = _countof(shortCodeHandle);
+
+	// Get an OAuth short code from the user. For more information about OAuth see: https://oauth.net/2/
+	err = interactive_auth_get_short_code(CLIENT_ID, nullptr, shortCode, &shortCodeLength, shortCodeHandle, &shortCodeHandleLength);
+	if (err) return err;
+
+	// Pop the browser for the user to approve access.
+	std::string authUrl = std::string("https://www.mixer.com/go?code=") + shortCode;
+	ShellExecuteA(0, 0, authUrl.c_str(), nullptr, nullptr, SW_SHOW);
+
+	// Wait for OAuth token response.
+	char refreshTokenBuffer[1024];
+	size_t refreshTokenLength = _countof(refreshTokenBuffer);
+	err = interactive_auth_wait_short_code(CLIENT_ID, nullptr, shortCodeHandle, refreshTokenBuffer, &refreshTokenLength);
+	if (err)
+	{
+		if (MIXER_ERROR_TIMED_OUT == err)
+		{
+			std::cout << "Authorization timed out, user did not approve access within the time limit." << std::endl;
+		}
+		else if (MIXER_ERROR_AUTH_DENIED == err)
+		{
+			std::cout << "User denied access." << std::endl;
+		}
+
+		return err;
+	}
+
+	/*
+	*	TODO:	This is where you would serialize the refresh token locally or on your own service for future use in a way that is associated with the current user.
+	*			Future calls would then only need to check if the token is stale, refresh it if so, and then parse the new authorization header.
+	*/
+
+	// Extract the authorization header from the refresh token.
+	char authBuffer[1024];
+	size_t authBufferLength = _countof(authBuffer);
+	err = interactive_auth_parse_refresh_token(refreshTokenBuffer, authBuffer, &authBufferLength);
+	if (err) return err;
+
+	// Set the authorization out parameter.
+	authorization = std::string(authBuffer, authBufferLength);
+	return 0;
+}
+
+int get_participant_name(interactive_session session, const char* participantId, std::string& participantName)
+{
+	// Get the participant's name.
+	size_t participantNameLength = 0;
+
+	// First call with a nullptr to get the required size for the user's name, MIXER_ERROR_BUFFER_SIZE is the expected return value.
+	int err = interactive_participant_get_user_name(session, participantId, nullptr, &participantNameLength);
+	if (MIXER_ERROR_BUFFER_SIZE != err)
+	{
+		return err;
+	}
+
+	// Resize the string to the correct size and call it again.
+	participantName.resize(participantNameLength);
+	err = interactive_participant_get_user_name(session, participantId, (char*)participantName.data(), &participantNameLength);
+	// STL strings don't need a trailing null character.
+	participantName = participantName.erase(participantNameLength - 1);
+
+	return 0;
+}
+
+void handle_interactive_input(void* context, interactive_session session, const interactive_input* input)
+{
+	// Get the participant's Mixer name to give them attribution.
+	std::string participantName;
+	int err = get_participant_name(session, input->participantId, participantName);
+	if (err)
+	{
+		std::cerr << "Failed to get participant user name (" << std::to_string(err) << ")" << std::endl;
+		return;
+	}
+
+	// Now handle the input based on input type.
+	if ((input_type_key == input->type || input_type_click == input->type) && interactive_button_action_down == input->buttonData.action)
+	{	
+		float x = input->coordinateData.x;
+		float y = input->coordinateData.y;
+		std::cout << participantName << " clicked x: " + std::to_string(x) << " y: " << std::to_string(y) << std::endl;
+	}
+	else if (input_type_move == input->type)
+	{
+		// Show which user moved the joystick.
+		float x = input->coordinateData.x;
+		float y = input->coordinateData.y;
+		std::cout << participantName << " moved pointer to x: " + std::to_string(x) << " y: " << std::to_string(y) << std::endl;
+	}
+}