Adds information about requirements to quest markers

src/main/java/net/knarcraft/dynmapcitizens/trait/quests/QuestsHandler.java

@@ -3,6 +3,7 @@ package net.knarcraft.dynmapcitizens.trait.quests;
 import me.blackvein.quests.QuestsAPI;
 import me.blackvein.quests.quests.IQuest;
 import me.blackvein.quests.quests.IStage;
+import me.blackvein.quests.quests.Requirements;
 import me.blackvein.quests.quests.Rewards;
 import net.citizensnpcs.api.CitizensAPI;
 import net.citizensnpcs.api.npc.NPC;
@@ -124,11 +125,10 @@ public class QuestsHandler extends AbstractTraitHandler {
                 for (IQuest quest : questStarts) {
                     markerDescription.append("<li><h4><b>").append(quest.getName()).append("</b></h4><h5><b>- ");
                     markerDescription.append(quest.getDescription()).append("</b></h5>").append(getQuestStagesInfo(quest));
-                    markerDescription.append(getQuestRewardsInfo(quest)).append("</li>");
+                    markerDescription.append(getQuestRewardsInfo(quest)).append(getQuestRequirementsInfo(quest)).append("</li>");
                 }
                 markerDescription.append("</ul>");
             }
-            //TODO: Get information about requirements
             //TODO: Get information about the planner (repeatable and/or limited)
 
             if (!questKills.isEmpty()) {
@@ -150,6 +150,71 @@ public class QuestsHandler extends AbstractTraitHandler {
         }
     }
 
+    /**
+     * Gets information about all requirements for the given quest
+     *
+     * @param quest <p>The quest to get requirements for</p>
+     * @return <p>Information about the quest's requirements</p>
+     */
+    private String getQuestRequirementsInfo(IQuest quest) {
+        Requirements requirements = quest.getRequirements();
+        StringBuilder requirementInfo = new StringBuilder();
+        if (!requirements.hasRequirement()) {
+            return requirementInfo.toString();
+        }
+
+        requirementInfo.append("<br><b>Requirements: </b><ul>");
+
+        if (requirements.getQuestPoints() > 0) {
+            requirementInfo.append("<li>").append(requirements.getQuestPoints()).append(" quest points</li>");
+        }
+
+        if (requirements.getExp() > 0) {
+            requirementInfo.append("<li>").append(requirements.getExp()).append(" exp</li>");
+        }
+
+        for (IQuest blockQuest : requirements.getBlockQuests()) {
+            requirementInfo.append("<li>Blocked by quest: ").append(blockQuest.getName()).append("</li>");
+        }
+
+        for (IQuest neededQuest : requirements.getNeededQuests()) {
+            requirementInfo.append("<li>Requires quest: ").append(neededQuest.getName()).append("</li>");
+        }
+
+        for (ItemStack item : requirements.getItems()) {
+            requirementInfo.append("<li>Requires item: ").append(uppercaseFirst(getItemStackString(item))).append("</li>");
+        }
+
+        if (!requirements.getMcmmoSkills().isEmpty()) {
+            List<String> skills = requirements.getMcmmoSkills();
+            List<Integer> amounts = requirements.getMcmmoAmounts();
+            for (int i = 0; i < skills.size(); i++) {
+                requirementInfo.append("<li>Requires mcMMO skill ").append(skills.get(i)).append(" at level ");
+                requirementInfo.append(amounts.get(i)).append("</li>");
+            }
+        }
+
+        for (String permission : requirements.getPermissions()) {
+            requirementInfo.append("<li>Requires permission: ").append(permission).append("</li>");
+        }
+
+        Map<String, Map<String, Object>> customRequirementPlugins = requirements.getCustomRequirements();
+        for (String plugin : customRequirementPlugins.keySet()) {
+            requirementInfo.append("<li>").append(plugin).append(":<ul>");
+            //Note: The format of custom requirements is kind of weird. First, you have the key for which plugin the 
+            // requirement belongs to. Getting the value of the key gives another map. The map contains as key, the type
+            // of value, like "Skill Amount" or "Skill Type". The value is the actual value of whatever it is.
+            Map<String, Object> customRequirementEntry = customRequirementPlugins.get(plugin);
+            for (String requirementDescription : customRequirementEntry.keySet()) {
+                requirementInfo.append("<li>").append(requirementDescription).append(" ").append(customRequirementEntry.get(requirementDescription)).append("</li>");
+            }
+            requirementInfo.append("</ul></li>");
+        }
+
+        requirementInfo.append("</ul>");
+        return requirementInfo.toString();
+    }
+
     /**
      * Gets information about all rewards for the given quest
      *