From c9b60f2c65dd1585c8fff66670d14e8742422e38 Mon Sep 17 00:00:00 2001
From: DarkPhoenix <phoenix@mail.ru>
Date: Sun, 12 May 2019 16:26:02 +0300
Subject: [PATCH] Add distance vs time graph

---
 eos/graph/fitDistanceTime.py         | 26 +++++++++
 eos/graph/fitSpeedTime.py            |  2 +-
 gui/builtinGraphs/__init__.py        |  1 +
 gui/builtinGraphs/fitDistanceTime.py | 81 ++++++++++++++++++++++++++++
 4 files changed, 109 insertions(+), 1 deletion(-)
 create mode 100644 eos/graph/fitDistanceTime.py
 create mode 100644 gui/builtinGraphs/fitDistanceTime.py

diff --git a/eos/graph/fitDistanceTime.py b/eos/graph/fitDistanceTime.py
new file mode 100644
index 000000000..253c37e08
--- /dev/null
+++ b/eos/graph/fitDistanceTime.py
@@ -0,0 +1,26 @@
+import math
+from logbook import Logger
+
+from eos.graph import Graph
+
+
+pyfalog = Logger(__name__)
+
+
+class FitDistanceTimeGraph(Graph):
+
+    defaults = {"time": 0}
+
+    def __init__(self, fit, data=None):
+        Graph.__init__(self, fit, self.calcDistance, data if data is not None else self.defaults)
+        self.fit = fit
+
+    def calcDistance(self, data):
+        time = data["time"]
+        maxSpeed = self.fit.ship.getModifiedItemAttr('maxVelocity')
+        mass = self.fit.ship.getModifiedItemAttr('mass')
+        agility = self.fit.ship.getModifiedItemAttr('agility')
+        # Definite integral of:
+        # https://wiki.eveuniversity.org/Acceleration#Mathematics_and_formulae
+        distance = maxSpeed * time + (maxSpeed * agility * mass * math.exp((-time * 1000000) / (agility * mass)) / 1000000)
+        return distance
diff --git a/eos/graph/fitSpeedTime.py b/eos/graph/fitSpeedTime.py
index 09f52dfed..5e3f41747 100644
--- a/eos/graph/fitSpeedTime.py
+++ b/eos/graph/fitSpeedTime.py
@@ -21,5 +21,5 @@ class FitSpeedTimeGraph(Graph):
         mass = self.fit.ship.getModifiedItemAttr('mass')
         agility = self.fit.ship.getModifiedItemAttr('agility')
         # https://wiki.eveuniversity.org/Acceleration#Mathematics_and_formulae
-        speed = maxSpeed * (1 - math.exp((-time * 10 ** 6) / (agility * mass)))
+        speed = maxSpeed * (1 - math.exp((-time * 1000000) / (agility * mass)))
         return speed
diff --git a/gui/builtinGraphs/__init__.py b/gui/builtinGraphs/__init__.py
index cff4bb83f..1d8cc7068 100644
--- a/gui/builtinGraphs/__init__.py
+++ b/gui/builtinGraphs/__init__.py
@@ -3,6 +3,7 @@ __all__ = [
     'fitDpsTime',
     'fitDmgTime',
     'fitSpeedTime',
+    'fitDistanceTime',
     'fitShieldRegenAmount',
     'fitShieldAmountTime',
     'fitCapRegenAmount',
diff --git a/gui/builtinGraphs/fitDistanceTime.py b/gui/builtinGraphs/fitDistanceTime.py
new file mode 100644
index 000000000..af0602d2f
--- /dev/null
+++ b/gui/builtinGraphs/fitDistanceTime.py
@@ -0,0 +1,81 @@
+# =============================================================================
+# Copyright (C) 2010 Diego Duclos
+#
+# This file is part of pyfa.
+#
+# pyfa is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# pyfa is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with pyfa.  If not, see <http://www.gnu.org/licenses/>.
+# =============================================================================
+
+import gui.mainFrame
+from eos.graph import Data
+from eos.graph.fitDistanceTime import FitDistanceTimeGraph as EosFitDistanceTimeGraph
+from gui.bitmap_loader import BitmapLoader
+from gui.graph import Graph
+from service.attribute import Attribute
+
+
+class FitDistanceTimeGraph(Graph):
+
+    propertyLabelMap = {"time": "Time (seconds)"}
+
+    defaults = EosFitDistanceTimeGraph.defaults.copy()
+
+    def __init__(self):
+        Graph.__init__(self)
+        self.defaults["time"] = "0-80"
+        self.name = "Distance Travelled vs. Time"
+        self.eosGraph = None
+        self.mainFrame = gui.mainFrame.MainFrame.getInstance()
+
+    def getFields(self):
+        return self.defaults
+
+    def getLabels(self):
+        return self.propertyLabelMap
+
+    def getIcons(self):
+        iconFile = Attribute.getInstance().getAttributeInfo('duration').iconID
+        bitmap = BitmapLoader.getBitmap(iconFile, "icons")
+        return {"time": bitmap}
+
+    def getPoints(self, fit, fields):
+        eosGraph = getattr(self, "eosGraph", None)
+        if eosGraph is None or eosGraph.fit != fit:
+            eosGraph = self.eosGraph = EosFitDistanceTimeGraph(fit)
+
+        eosGraph.clearData()
+        variable = None
+        for fieldName, value in fields.items():
+            d = Data(fieldName, value)
+            if not d.isConstant():
+                if variable is None:
+                    variable = fieldName
+                else:
+                    # We can't handle more then one variable atm, OOPS FUCK OUT
+                    return False, "Can only handle 1 variable"
+
+            eosGraph.setData(d)
+
+        if variable is None:
+            return False, "No variable"
+
+        x = []
+        y = []
+        for point, val in eosGraph.getIterator():
+            x.append(point[variable])
+            y.append(val)
+        return x, y
+
+
+FitDistanceTimeGraph.register()