WIP: Support proper display of maps smaller than screens.

Author: stephanemagnenat

src/Game.cpp

@@ -2093,7 +2093,7 @@ inline void Game::drawMapDebugAreas(int left, int top, int right, int bot, int s
 	}
 }
 
-inline void Game::drawMapBuilding(int x, int y, int gid, int viewportX, int viewportY, int localTeam, Uint32 drawOptions)
+inline void Game::drawMapBuilding(int x, int y, int gid, int localTeam, Uint32 drawOptions)
 {
 	Building *building = teams[Building::GIDtoTeam(gid)]->myBuildings[Building::GIDtoID(gid)];
 	assert(building);
@@ -2292,9 +2292,11 @@ inline void Game::drawMapGroundBuildings(int left, int top, int right, int bot,
 						|| (building->seenByMask & visibleTeams)
 						|| map.isFOWDiscovered(x+viewportX, y+viewportY, visibleTeams))
 					{
-						int px,py;
+						int px, py;
 						map.mapCaseToDisplayable(building->posXLocal, building->posYLocal, &px, &py, viewportX, viewportY);
-					 	drawMapBuilding(px, py, gid, viewportX, viewportY, localTeam, drawOptions);
+						for (;py >> 5 < bot; py += map.h * 32)
+							for (;px >> 5 < right; px += map.w * 32)
+					 			drawMapBuilding(px, py, gid, localTeam, drawOptions);
 						drawnBuildings.insert(building);
 					}
 				}

src/Game.h

@@ -205,7 +205,7 @@ class Game
 	///draws debug information. switched in the code.
 	inline void drawMapDebugAreas(int left, int top, int right, int bot, int sw, int sh, int viewportX, int viewportY, int localTeam, Uint32 drawOptions);
 	inline void drawMapGroundBuildings(int left, int top, int right, int bot, int sw, int sh, int viewportX, int viewportY, int localTeam, Uint32 drawOptions, std::set<Building*> *visibleBuildings);
-	inline void drawMapBuilding(int x, int y, int gid, int viewportX, int viewportY, int localTeam, Uint32 drawOptions);
+	inline void drawMapBuilding(int x, int y, int gid, int localTeam, Uint32 drawOptions);
 	inline void drawMapAreas(int left, int top, int right, int bot, int sw, int sh, int viewportX, int viewportY, int localTeam, Uint32 drawOptions);
 	inline void drawMapArea(int left, int top, int right, int bot, int sw, int sh, int viewportX, int viewportY, int localTeam, Uint32 drawOptions, Map * map, bool (Map::*mapIs)(int, int) const, int areaAnimationTick, AreaType areaType);
 	inline void drawMapAirUnits(int left, int top, int right, int bot, int sw, int sh, int viewportX, int viewportY, int localTeam, Uint32 drawOptions);