Building HPM Plugin for MSVC

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Contents

Guide

This is a guide on how to prepare your MSVC environment for a new HPM plugin.

Installation

Step 1

Go to src/plugins/ folder, create a new .c file, e.g. dance.c (this name will be used throughout this guide)

Step1.JPG

Step 2

Open dance.c and paste this code

#include "common/hercules.h" // Should always be the first Hercules file included! (if you don't make it first, you won't be able to use interfaces)
#include <stdio.h>
#include <string.h>
#include "common/HPMi.h"
#include "map/script.h"
#include "map/pc.h"
#include "common/HPMDataCheck.h" // should always be the last file included! (if you don't make it last, it'll intentionally break compile time)

HPExport struct hplugin_info pinfo = {
	"dance",		// Plugin name
	SERVER_TYPE_MAP,// Which server types this plugin works with?
	"0.2",			// Plugin version
	HPM_VERSION,	// HPM Version (don't change, macro is automatically updated)
};

ACMD(dance) {
	if (!message || !*message) {
		clif->message(fd, "usage: @dance 1-9");
		return -1;
	}
	if ( atoi(message) == 1 ) {
		clif->specialeffect(&sd->bl, 413, ALL_CLIENT);
	} else if ( atoi(message) == 2 ) {
		clif->specialeffect(&sd->bl, 414, ALL_CLIENT);
	} else if ( atoi(message) == 3 ) {
		clif->specialeffect(&sd->bl, 415, ALL_CLIENT);
	} else if ( atoi(message) == 4 ) {
		clif->specialeffect(&sd->bl, 426, ALL_CLIENT);
	} else if ( atoi(message) == 5 ) {
		clif->specialeffect(&sd->bl, 458, ALL_CLIENT);
	} else if ( atoi(message) == 6 ) {
		clif->specialeffect(&sd->bl, 466, ALL_CLIENT);
	} else if ( atoi(message) == 7 ) {
		clif->specialeffect(&sd->bl, 501, ALL_CLIENT);
	} else if ( atoi(message) == 8 ) {
		clif->specialeffect(&sd->bl, 540, ALL_CLIENT);
	} else if ( atoi(message) == 9 ) {
		clif->specialeffect(&sd->bl, 550, ALL_CLIENT);
	} else {
		clif->message(fd, "usage: @dance 1-9"); 
	}
	return true;
}

/* Server Startup */
HPExport void plugin_init (void) {
	addAtcommand("dance",dance);
}

Step 3

Open your MSVC project (e.g. 'Hercules-10.sln)

Step2.JPG

Step 4

Go to the Solution Explorer

Step3.JPG

Step 5

Right click the Hercules project (first item in Solution Explorer), and click Add->New Project

Step4.JPG

Step 6

Select General, and pick Empty Project.

Step5.JPG

Step 7

Enter the name of your plugin in the Name field, and click OK.

Step 8

In the solution explorer it'll display the new project.

Step6.JPG

Step 9

Right click the new project, and open Add->Existing Item

Step7.JPG

Step 10

Browse to src/plugins/ and select the dance.c file, and hit OK.

Step8.JPG

Step 11

It will place the dance.c file under the Source Files folder, drag it to the project you created and drop it (in a manner it be placed out of the source files folder.)

Step9.JPG

(It should look like the image below)

Step10.JPG

Step 12

With the dance.c out of the folders, delete the 3 of them (select the 3, hit delete, hit ok)

Step11.JPG

(It should look like the image below)

Step12.JPG

Step 13

Right click the project you created, open Properties

Step13.JPG

Step 14

Under Configuration Properties click General, change Output Directory to ..\plugins\, Intermediate Directory to $(ProjectName)\$(ConfigurationName)\ and Configuration Type to Dynamic Library (.dll)

Step14.JPG

Step 15

Under Configuration Properties click C/C++ and open General, change Additional Include Directories to ..\src;..\3rdparty;..\3rdparty\msinttypes\include;%(AdditionalIncludeDirectories)

Step15.JPG

Step 16

Under Configuration Properties click Linker and open General, change Output File to $(OutDir)\$(ProjectName).dll

Step16.JPG

Step 17

Under Configuration Properties click C/C++ and open Preprocessor, change Preprocessor Definitions to _WINDLL;PCRE_SUPPORT;%(PreprocessorDefinitions)

Step17.jpg

Step 18

Under Configuration Properties click C/C++ and open Advanced, on Disable Specific Warnings add 4996;%(DisableSpecificWarnings) This step can prevent errors like sscanf or sprintf that only happen with Microsoft compiler.

Step18.png

Step 19

Add your code to the dance.c file, and then right-click the project you created, and select Build

Step 20

Add it to /conf/plugins.conf

plugins_list: [
	/* Enable HPMHooking when plugins in use rely on Hooking */
	//"HPMHooking",
	//"db2sql",
	//"sample",
	//"other",
	"dance", // loads dance plugin
]

Notes

  • This guide is probably the worst I've ever written, if you can do better please hit the 'Edit' button, will be most welcome. - Ind
  • I used MSVC 2008 when testing this guide.

New Note

  • Sorry for editing this page, I added step by step images for other people to follow so they can easily follow one of the best feature Hercules have, the HPM. - Thanna
  • The tutorial is tested on MSVC 2010.