Introduce 2 new functions to Map

- g_map.colorizeThing
- g_map.removeThingColor

src/client/item.cpp

@@ -40,7 +40,8 @@
 Item::Item() :
     m_clientId(0),
     m_serverId(0),
-    m_countOrSubType(1)
+    m_countOrSubType(1),
+    m_color(Color::alpha)
 {
 }
 
@@ -75,7 +76,15 @@ void Item::draw(const Point& dest, float scaleFactor, bool animate, LightView *l
     int xPattern = 0, yPattern = 0, zPattern = 0;
     calculatePatterns(xPattern, yPattern, zPattern);
 
+    if(m_color != Color::alpha)
+        g_painter->setColor(m_color);
     rawGetThingType()->draw(dest, scaleFactor, 0, xPattern, yPattern, zPattern, animationPhase, lightView);
+
+    /// Sanity check
+    /// This is just to ensure that we don't overwrite some color and
+    /// screw up the whole rendering.
+    if(m_color != Color::alpha)
+        g_painter->resetColor();
 }
 
 void Item::setId(uint32 id)

src/client/item.h

@@ -24,6 +24,7 @@
 #define ITEM_H
 
 #include <framework/global.h>
+
 #include "thing.h"
 #include "effect.h"
 #include "itemtype.h"
@@ -88,6 +89,7 @@ public:
     void setCountOrSubType(int value) { m_countOrSubType = value; }
     void setCount(int count) { m_countOrSubType = count; }
     void setSubType(int subType) { m_countOrSubType = subType; }
+    void setColor(const Color& c) { m_color = c; }
 
     int getCountOrSubType() { return m_countOrSubType; }
     int getSubType();
@@ -138,6 +140,7 @@ private:
     uint8 m_countOrSubType;
     stdext::packed_storage<uint8> m_attribs;
     ItemList m_containerItems;
+    Color m_color;
 };
 
 #pragma pack(pop)

src/client/luafunctions.cpp

@@ -103,6 +103,8 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_map", "getThing", &Map::getThing, &g_map);
     g_lua.bindSingletonFunction("g_map", "removeThingByPos", &Map::removeThingByPos, &g_map);
     g_lua.bindSingletonFunction("g_map", "removeThing", &Map::removeThing, &g_map);
+    g_lua.bindSingletonFunction("g_map", "colorizeThing", &Map::colorizeThing, &g_map);
+    g_lua.bindSingletonFunction("g_map", "removeThingColor", &Map::removeThingColor, &g_map);
     g_lua.bindSingletonFunction("g_map", "clean", &Map::clean, &g_map);
     g_lua.bindSingletonFunction("g_map", "cleanTile", &Map::cleanTile, &g_map);
     g_lua.bindSingletonFunction("g_map", "cleanTexts", &Map::cleanTexts, &g_map);

src/client/map.cpp

@@ -216,6 +216,42 @@ bool Map::removeThingByPos(const Position& pos, int stackPos)
     return false;
 }
 
+void Map::colorizeThing(const ThingPtr& thing, const Color& color)
+{
+    if(!thing)
+        return;
+
+    if(thing->isItem())
+        thing->static_self_cast<Item>()->setColor(color);
+    else if(thing->isCreature()) {
+        const TilePtr& tile = thing->getTile();
+        assert(tile);
+
+        const ThingPtr& topThing = tile->getTopThing();
+        assert(topThing);
+
+        topThing->static_self_cast<Item>()->setColor(color);
+    }
+}
+
+void Map::removeThingColor(const ThingPtr& thing)
+{
+    if(!thing)
+        return;
+
+    if(thing->isItem())
+        thing->static_self_cast<Item>()->setColor(Color::alpha);
+    else if(thing->isCreature()) {
+        const TilePtr& tile = thing->getTile();
+        assert(tile);
+
+        const ThingPtr& topThing = tile->getTopThing();
+        assert(topThing);
+
+        topThing->static_self_cast<Item>()->setColor(Color::alpha);
+    }
+}
+
 StaticTextPtr Map::getStaticText(const Position& pos)
 {
     for(auto staticText : m_staticTexts) {
@@ -732,3 +768,5 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
 
     return ret;
 }
+
+/* vim: set ts=4 sw=4 et: */

src/client/map.h

@@ -169,6 +169,8 @@ public:
     ThingPtr getThing(const Position& pos, int stackPos);
     bool removeThing(const ThingPtr& thing);
     bool removeThingByPos(const Position& pos, int stackPos);
+    void colorizeThing(const ThingPtr& thing, const Color& color);
+    void removeThingColor(const ThingPtr& thing);
 
     StaticTextPtr getStaticText(const Position& pos);