Ticket #1574: shallowsOnMinimap.patch

source/gui/MiniMap.h

@@ -77 +77 @@
 
     // 1.f if map is circular or 1.414f if square (to shrink it inside the circle)
     float m_MapScale;
+    
+    // maximal water height to allow the passage of a unit (for underwater shallows).
+    float m_ShallowPassageHeight;
 
     void DrawTexture(float coordMax, float angle, float x, float y, float x2, float y2, float z);
 

source/gui/MiniMap.cpp

@@ -41 +41 @@
 #include "simulation2/Simulation2.h"
 #include "simulation2/components/ICmpMinimap.h"
 #include "simulation2/components/ICmpTerritoryManager.h"
+#include "simulation2/components/ICmpTerritoryManager.h"
+#include "simulation2/system/ParamNode.h"
 
 bool g_GameRestarted = false;
 
@@ -60 +62 @@
     AddSetting(GUIST_CStr,      "tooltip_style");
     m_Clicking = false;
     m_MouseHovering = false;
+    
+    // Get the maximum height for unit passage in water.
+    CParamNode externalParamNode;
+    CParamNode::LoadXML(externalParamNode, L"simulation/data/pathfinder.xml");
+    const CParamNode pathingSettings = externalParamNode.GetChild("Pathfinder").GetChild("PassabilityClasses");
+    m_ShallowPassageHeight = pathingSettings.GetChild("default").GetChild("MaxWaterDepth").ToFloat();
 }
 
 CMiniMap::~CMiniMap()
@@ -498 +506 @@
                     + m_Terrain->GetVertexGroundLevel((int)i+1, (int)j+1)
                 ) / 4.0f;
 
-            if(avgHeight < waterHeight)
+            if(avgHeight < waterHeight && avgHeight > waterHeight - m_ShallowPassageHeight)
             {
+                // shallow water
+                *dataPtr++ = 0xff7098c0;
+            } else if (avgHeight < waterHeight)
+            {
                 // Set water as constant color for consistency on different maps
                 *dataPtr++ = 0xff5078a0;
             }