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-rw-r--r--source/Entities/Player.cpp75
-rw-r--r--source/Entities/Player.h44
2 files changed, 115 insertions, 4 deletions
diff --git a/source/Entities/Player.cpp b/source/Entities/Player.cpp
index 2e4199629..a39eda1ba 100644
--- a/source/Entities/Player.cpp
+++ b/source/Entities/Player.cpp
@@ -1,4 +1,4 @@
-
+
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Player.h"
@@ -33,6 +33,7 @@
+
cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
: super(etPlayer, 0.6, 1.8)
, m_GameMode(eGameMode_NotSet)
@@ -65,6 +66,10 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
, m_EatingFinishTick(-1)
, m_IsChargingBow(false)
, m_BowCharge(0)
+ , m_XpLevel(0)
+ , m_XpP(0.f)
+ , m_XpTotal(0)
+ , m_XpNextLevelTotal(0)
{
LOGD("Created a player object for \"%s\" @ \"%s\" at %p, ID %d",
a_PlayerName.c_str(), a_Client->GetIPString().c_str(),
@@ -260,6 +265,67 @@ void cPlayer::Tick(float a_Dt, cChunk & a_Chunk)
+bool cPlayer::SetExperience(int a_XpTotal)
+{
+ if(!(a_XpTotal >= 0) || (a_XpTotal > (INT_MAX - m_XpTotal)))
+ {
+ LOGWARNING("Tried to update experiece with an invalid Xp value: %d", a_XpTotal);
+ return false; //oops, they gave us a dodgey number
+ }
+
+
+ m_XpTotal = a_XpTotal;
+
+ //now calculate XpP and XpLevel
+ //First Calc current level using quadratic eqn
+ m_XpLevel = CalcLevelFromXp(m_XpTotal);
+
+ //calculate total Xp for next level
+ m_XpNextLevelTotal = XpAtLevel(m_XpLevel+1);
+
+ //calulate Xp Percentage
+ m_XpP = (float)m_XpLevel / (float)m_XpNextLevelTotal;
+
+ return true;//aka happy :)
+}
+
+
+
+
+
+bool cPlayer::AddExperience(int a_Xp_delta)
+{
+ if(a_Xp_delta > MAX_EXPERIENCE_ORB_SIZE || a_Xp_delta < 0)
+ {
+ //value was too large or negative, abort and report
+ LOGWARNING("Attempt was made to increment Xp by %d, max is %d and must be positive",
+ a_Xp_delta, MAX_EXPERIENCE_ORB_SIZE);
+ return false;
+ }
+
+ LOGD("Player \"%s\" earnt %d experience", m_PlayerName.c_str(), a_Xp_delta);
+
+ //update Xp, note there is no min
+ m_XpTotal += a_Xp_delta;
+
+ //update Xp percentage
+ if(m_XpTotal >= m_XpNextLevelTotal)
+ {
+ //oh actually, update their level first
+
+ m_XpLevel++;
+ m_XpNextLevelTotal = XpAtLevel(m_XpLevel+1);
+ }
+
+ m_XpP = (float)m_XpLevel / (float)m_XpNextLevelTotal;
+
+ return true;
+}
+
+
+
+
+
void cPlayer::StartChargingBow(void)
{
LOGD("Player \"%s\" started charging their bow", m_PlayerName.c_str());
@@ -1268,7 +1334,7 @@ bool cPlayer::LoadFromDisk()
cFile f;
if (!f.Open(SourceFile, cFile::fmRead))
{
- // This is a new player whom we haven't seen yet, bail out, let them have the defaults
+ // This is a new player whom we haven't seen yet, bail, let them have the defaults
return false;
}
@@ -1278,7 +1344,7 @@ bool cPlayer::LoadFromDisk()
LOGWARNING("Cannot read player data from file \"%s\"", SourceFile.c_str());
return false;
}
- f.Close();
+ f.Close(); //cool kids play nice
Json::Value root;
Json::Reader reader;
@@ -1314,6 +1380,8 @@ bool cPlayer::LoadFromDisk()
m_FoodTickTimer = root.get("foodTickTimer", 0).asInt();
m_FoodExhaustionLevel = root.get("foodExhaustion", 0).asDouble();
+ SetExperience(root.get("experience", 0).asInt());
+
m_GameMode = (eGameMode) root.get("gamemode", eGameMode_NotSet).asInt();
m_Inventory.LoadFromJson(root["inventory"]);
@@ -1354,6 +1422,7 @@ bool cPlayer::SaveToDisk()
root["rotation"] = JSON_PlayerRotation;
root["inventory"] = JSON_Inventory;
root["health"] = m_Health;
+ root["experience"] = m_XpTotal;
root["air"] = m_AirLevel;
root["food"] = m_FoodLevel;
root["foodSaturation"] = m_FoodSaturationLevel;
diff --git a/source/Entities/Player.h b/source/Entities/Player.h
index 01efa3681..ab8fd3b5a 100644
--- a/source/Entities/Player.h
+++ b/source/Entities/Player.h
@@ -63,6 +63,27 @@ public:
/// Returns the currently equipped boots; empty item if none
virtual cItem GetEquippedBoots(void) const override { return m_Inventory.GetEquippedBoots(); }
+
+ /** Sets the experience total - XpTotal, updates XpLevel and XpP as appropriate
+ Returns true on success
+ should really only be called at init or player death
+ */
+ bool SetExperience(int a_XpTotal);
+
+ /* Adds Xp, will not inc more than MAX_EXPERIENCE_ORB_SIZE!
+ Returns true on success
+ Updates XpLevel and XpP appropriately
+ */
+ bool AddExperience(int a_Xp_delta);
+
+ /// Gets the experience total - XpTotal
+ inline int GetExperienceTotal(void) { return m_XpTotal; }
+
+ /// Gets the current level - XpLevel
+ inline int GetExperienceLevel(void) { return m_XpLevel; }
+
+ /// Gets the experience bar percentage - XpP
+ inline float GetExperiencePercentage(void) { return m_XpP; }
/// Starts charging the equipped bow
void StartChargingBow(void);
@@ -289,7 +310,7 @@ public:
virtual bool IsSubmerged(void) const{ return m_IsSubmerged; }
// tolua_end
-
+
// cEntity overrides:
virtual bool IsCrouched (void) const { return m_IsCrouched; }
virtual bool IsSprinting(void) const { return m_IsSprinting; }
@@ -378,6 +399,27 @@ protected:
/// The world tick in which eating will be finished. -1 if not eating
Int64 m_EatingFinishTick;
+
+ /// Player Xp levels etc
+ int m_XpLevel; //store this and m_XpP to save calculating each time
+ float m_XpP; //between 0 & 1
+ int m_XpTotal;
+ int m_XpNextLevelTotal; //save calculating this often
+
+ //Xp level defines
+ #define XP_TO_LEVEL15 255
+ #define XP_PER_LEVEL_TO15 17
+ #define XP_TO_LEVEL30 825
+
+ /// Caculates the Xp at a given level, ref: http://minecraft.gamepedia.com/XP
+ inline int XpAtLevel(int level) { return (int) ((level <= 15)? (15*level) :
+ ((level <= 31)? (1.5*level*level - 29.5*level + 360) :
+ (3.5*level*level - 151.5*level + 2220))); }
+
+ /// inverse of XpAtLevel, ref: http://minecraft.gamepedia.com/XP values are as per this with pre-calculations
+ inline int CalcLevelFromXp(int XpTotal) { return (int) ((XpTotal <= XP_TO_LEVEL15)? XpTotal / XP_PER_LEVEL_TO15 : //level 0-15 or...
+ (XpTotal <= XP_TO_LEVEL30)? ( 29.5 + sqrt( 870.25 - (6 * ( 360 - XpTotal )))) / 3 : //level 15-30
+ (151.5 + sqrt( 22952.25 - (14 * (2220 - XpTotal)))) / 7); }//level 30+
bool m_IsChargingBow;
int m_BowCharge;