Proof of concept: Read baked transition data from a map file as a new type of "feature"

rsrc/bases/bladbase/out/out0~0.map

@@ -17,11 +17,11 @@
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
-22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
+22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,36%8,36%12,36%12,36%4,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
-22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
+22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,36%10,36,36,35%5,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
-22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
+22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,36%8,36%12,36%12,36%12,36%14,36,36,36%5,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
-22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
+22,22,22,22,26,40,2,2,2,2,2,2,2,2,36%8,36%6,36%3,36%3,36%3,36%3,36%3,36%3,3%1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
-22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,121!0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
+22,22,22,22,26,40,2,2,2,2,2,2,2,2,36%2,36%1,2,2,2,2,2,2,2,121!0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,234@0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22
 22,22,22,22,26,40,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,44,30,22,22,22,22

rsrc/schemas/terrain.xsd

@@ -134,6 +134,7 @@
 			<xs:element name="arena" type="xs:integer"/>
 			<xs:element name="ground" minOccurs="0" type="xs:integer"/>
 			<xs:element name="trim-for" minOccurs="0" type="xs:integer"/>
+			<xs:element name="tile-with" minOccurs="0" type="xs:integer"/>
 			<xs:element name="editor" type="editorData" minOccurs="0"/>
 		</xs:all>
 		<xs:attribute name="id" type="xs:integer" use="required"/>

src/fileio/fileio_scen.cpp

@@ -1204,6 +1204,9 @@ void readTerrainFromXml(ticpp::Document&& data, cScenario& scenario) {
 				ter->GetText(&the_ter.ground_type);
 			} else if(type == "arena") {
 				ter->GetText(&the_ter.combat_arena);
+			} else if(type == "tile-with") {
+				the_ter.tile_with.emplace_back();
+				ter->GetText(&the_ter.tile_with.back());
 			} else if(type == "editor") {
 				Iterator<Element> edit;
 				for(edit = edit.begin(ter.Get()); edit != edit.end(); edit++) {
@@ -2133,6 +2136,9 @@ void loadOutMapData(map_data&& data, location which, cScenario& scen) {
 							break;
 						out.wandering_locs[feat.second] = loc(x,y);
 						break;
+					case eMapFeature::VARIANT:
+						out.variants[x][y] = feat.second;
+						break;
 				}
 			}
 		}
@@ -2202,6 +2208,9 @@ void loadTownMapData(map_data&& data, int which, cScenario& scen) {
 							break;
 						town.creatures[feat.second].start_loc = loc(x,y);
 						break;
+					case eMapFeature::VARIANT:
+						town.variants[x][y] = feat.second;
+						break;
 				}
 			}
 		}

src/fileio/map_parse.cpp

@@ -75,6 +75,8 @@ map_data load_map(std::istream& fin, bool isTown, std::string name) {
 					curFeature = eMapFeature::FIELD;
 				} else if(c == '$') {
 					curFeature = eMapFeature::CREATURE;
+				} else if(c == '%') {
+					curFeature = eMapFeature::VARIANT;
 				} else if(c == 'h') {
 					vehicle_owned = true;
 					curFeature = eMapFeature::HORSE;
@@ -165,6 +167,7 @@ void map_data::writeTo(std::ostream& out) {
 					case eMapFeature::ENTRANCE_WEST: out << '<'; break;
 					case eMapFeature::BOAT: out << (feat.second > 0 ? 'b' : 'B') << abs(feat.second); break;
 					case eMapFeature::HORSE: out << (feat.second > 0 ? 'h' : 'H') << abs(feat.second); break;
+					case eMapFeature::VARIANT: out << '%' << feat.second; break;
 				}
 			}
 		}

src/fileio/map_parse.hpp

@@ -29,6 +29,7 @@ enum class eMapFeature {
 	ITEM,
 	CREATURE,
 	FIELD,
+	VARIANT,
 };
 
 class map_data {

src/scenario/area.hpp

@@ -29,7 +29,7 @@ enum {
 class cArea {
 public:
 	const size_t max_dim;
-	vector2d<ter_num_t> terrain;
+	vector2d<ter_num_t> terrain, variants;
 	std::vector<spec_loc_t> special_locs;
 	std::vector<sign_loc_t> sign_locs;
 	std::vector<info_rect_t> area_desc;
@@ -41,6 +41,7 @@ public:
 	explicit cArea(size_t dim)
 		: max_dim(dim)
 		, terrain(dim, dim)
+		, variants(dim, dim)
 		, maps(dim, boost::dynamic_bitset<>(dim))
 	{}
 

src/scenario/terrain.hpp

@@ -44,10 +44,10 @@ public:
 	location obj_size; // editor use only
 	pic_num_t map_pic = -1;
 	unsigned short i; // for temporary use in porting
+	std::vector<ter_num_t> tile_with;
 	
 	bool blocksMove() const;
 	void import_legacy(legacy::terrain_type_type& old);
-	void writeTo(std::ostream& file) const;
 };
 
 #endif

src/scenedit/scen.graphics.cpp

@@ -744,41 +744,48 @@ rectangle visible_bounds() {
 	}
 }
 
-static ter_num_t ter_at(int q, int r) {
+struct ter_pos_t {
-	ter_num_t t_to_draw;
+	cArea* area;
+	int x, y;
+	ter_num_t get() const {
+		return area ? 90 : area->terrain(x,y);
+	}
+};
+
+static ter_pos_t ter_at(int q, int r) {
 	rectangle bounds = visible_bounds();
 	if(editing_town) {
-		t_to_draw = town->terrain(bounds.left + q, bounds.top + r);
+		return {town, bounds.left + q, bounds.top + r};
 	}
 	else {
 		short ter_x = bounds.left + q, ter_y = bounds.top + r;
 		if(ter_x == -1 && ter_y == -1 && cur_out.x > 0 && cur_out.y > 0)
-			t_to_draw = scenario.outdoors[cur_out.x - 1][cur_out.y - 1]->terrain[47][47];
+			return {scenario.outdoors[cur_out.x - 1][cur_out.y - 1], 47, 47};
 		else if(ter_x == -1 && ter_y == 48 && cur_out.x > 0 && cur_out.y < scenario.outdoors.height() - 1)
-			t_to_draw = scenario.outdoors[cur_out.x - 1][cur_out.y + 1]->terrain[47][0];
+			return {scenario.outdoors[cur_out.x - 1][cur_out.y + 1], 47, 0};
 		else if(ter_x == 48 && ter_y == -1 && cur_out.x < scenario.outdoors.width() - 1 && cur_out.y > 0)
-			t_to_draw = scenario.outdoors[cur_out.x + 1][cur_out.y - 1]->terrain[0][47];
+			return {scenario.outdoors[cur_out.x + 1][cur_out.y - 1], 0, 47};
 		else if(ter_x == 48 && ter_y == 48 && cur_out.x < scenario.outdoors.width() - 1 && cur_out.y < scenario.outdoors.height() - 1)
-			t_to_draw = scenario.outdoors[cur_out.x + 1][cur_out.y + 1]->terrain[0][0];
+			return {scenario.outdoors[cur_out.x + 1][cur_out.y + 1], 0, 0};
 		else if(ter_x == -1 && ter_y >= 0 && ter_y < 48 && cur_out.x > 0)
-			t_to_draw = scenario.outdoors[cur_out.x - 1][cur_out.y]->terrain[47][ter_y];
+			return {scenario.outdoors[cur_out.x - 1][cur_out.y], 47, ter_y};
 		else if(ter_y == -1 && ter_x >= 0 && ter_x < 48 && cur_out.y > 0)
-			t_to_draw = scenario.outdoors[cur_out.x][cur_out.y - 1]->terrain[ter_x][47];
+			return {scenario.outdoors[cur_out.x][cur_out.y - 1], ter_x, 47};
 		else if(ter_x == 48 && ter_y >= 0 && ter_y < 48 && cur_out.x < scenario.outdoors.width() - 1)
-			t_to_draw = scenario.outdoors[cur_out.x + 1][cur_out.y]->terrain[0][ter_y];
+			return {scenario.outdoors[cur_out.x + 1][cur_out.y], 0, ter_y};
 		else if(ter_y == 48 && ter_x >= 0 && ter_x < 48 && cur_out.y < scenario.outdoors.height() - 1)
-			t_to_draw = scenario.outdoors[cur_out.x][cur_out.y + 1]->terrain[ter_x][0];
+			return {scenario.outdoors[cur_out.x][cur_out.y + 1], ter_x, 0};
 		else if(ter_x == -1 || ter_x == 48 || ter_y == -1 || ter_y == 48)
-			t_to_draw = 90;
+			return {nullptr};
-		else t_to_draw = current_terrain->terrain[ter_x][ter_y];
+		else return {current_terrain, ter_x, ter_y};
 	}
-	return t_to_draw;
 }
 
+static void draw_one_terrain_spot (short i,short j,ter_pos_t terrain_to_draw);
+static void draw_one_tiny_terrain_spot (short i,short j,ter_pos_t terrain_to_draw,short size,bool road);
 void draw_terrain(){
 	location which_pt,where_draw;
 	rectangle draw_rect,clipping_rect = {8,8,332,260};
-	ter_num_t t_to_draw;
 	rectangle source_rect,tiny_to,tiny_to_base = {37,29,44,36},from_rect,to_rect;
 	rectangle boat_rect = {0,0,36,28};
 	tiny_to_base.offset(TER_RECT_UL_X,TER_RECT_UL_Y);
@@ -794,7 +801,7 @@ void draw_terrain(){
 			for(short r = 0; r < 9; r++) {
 				where_draw.x = q;
 				where_draw.y = r;
-				t_to_draw = ter_at(q, r);
+				auto t_to_draw = ter_at(q, r);
 				draw_one_terrain_spot(q,r,t_to_draw);
 				
 				rectangle destrec;
@@ -885,7 +892,7 @@ void draw_terrain(){
 				tiny_to.offset(28 * q, 36 * r);
 				
 				// Tiny icons
-				std::vector<short> icons = get_small_icons(loc(cen_x + q - 4, cen_y + r - 4), t_to_draw);
+				std::vector<short> icons = get_small_icons(loc(cen_x + q - 4, cen_y + r - 4), t_to_draw.get());
 				
 				if(!icons.empty()) {
 					bool has_start = icons[0] == -1;
@@ -1037,9 +1044,9 @@ void draw_terrain(){
 			for(short r = 0; r < bounds.height(); r++) {
 				if(q + bounds.left > max) continue;
 				if(r + bounds.top > max) continue;
-				t_to_draw = ter_at(q, r);
+				auto t_to_draw = ter_at(q, r);
 				draw_one_tiny_terrain_spot(q,r,t_to_draw,size,is_road(q+bounds.left,r+bounds.top));
-				small_what_drawn[q][r] = t_to_draw;
+				small_what_drawn[q][r] = t_to_draw.get();
 			}
 		small_any_drawn = true;
 	}
@@ -1162,24 +1169,47 @@ void force_tiny_redraw() {
 	
 }
 
-void draw_one_terrain_spot (short i,short j,ter_num_t terrain_to_draw) {
+static void draw_one_terrain_spot (short i,short j,ter_pos_t terrain_to_draw) {
 	location where_draw;
 	rectangle source_rect;
-	short picture_wanted;
+	short picture_wanted = -1;
+	ter_num_t t_type;
 	std::shared_ptr<const sf::Texture> source_gworld;
 	
 	if(i < 0 || i > 8 || j < 0 || j > 8)
 		return;
 	
-	picture_wanted = scenario.ter_types[terrain_to_draw].picture;
+	bool is_transition = false;
+	if(terrain_to_draw.area == nullptr) {
+		t_type = 90;
+		picture_wanted = 74;
+	} else {
+		int x = terrain_to_draw.x, y = terrain_to_draw.y;
+		t_type = terrain_to_draw.area->terrain[x][y];
+		int variation = terrain_to_draw.area->variants[x][y];
+		if(variation == 0) {
+			picture_wanted = scenario.ter_types[t_type].picture;
+		} else {
+			is_transition =  true;
+			if(picture_wanted >= 1000) {
+				source_gworld = &ResMgr::graphics.get("sheet" + std::to_string(picture_wanted));
+			} else {
+				source_gworld = &ResMgr::graphics.get("tertrans");
+			}
+			source_rect.left = 28 * (variation - 1);
+			source_rect.right = 28 * variation;
+			source_rect.top = 0;
+			source_rect.bottom = 36;
+		}
+	}
 	
 	where_draw.x = (char) i;
 	where_draw.y = (char) j;
 	
-	if(picture_wanted >= 1000 && spec_scen_g) {
+	if(!is_transition && picture_wanted >= 1000 && spec_scen_g) {
 		graf_pos_ref(source_gworld, source_rect) = spec_scen_g.find_graphic(picture_wanted % 1000);
 	}
-	else if(picture_wanted >= 960)	{
+	else if(!is_transition && picture_wanted >= 960)	{
 		source_gworld = &ResMgr::graphics.get("teranim");
 		picture_wanted -= 960;
 		source_rect.left = 112 * (picture_wanted / 5);
@@ -1187,8 +1217,8 @@ void draw_one_terrain_spot (short i,short j,ter_num_t terrain_to_draw) {
 		source_rect.top = 36 * (picture_wanted % 5);
 		source_rect.bottom = source_rect.top + 36;
 	}
-	else {
+	else if(!is_transition && picture_wanted >= 0) {
-		source_rect = get_template_rect(terrain_to_draw);
+		source_rect = get_template_rect(t_type);
 		int which_sheet = picture_wanted / 50;
 		source_gworld = &ResMgr::graphics.get("ter" + std::to_string(1 + which_sheet));
 	}
@@ -1203,16 +1233,16 @@ void draw_one_terrain_spot (short i,short j,ter_num_t terrain_to_draw) {
 	rect_draw_some_item(*source_gworld, source_rect, mainPtr(), destrec);
 }
 
-void draw_one_tiny_terrain_spot (short i,short j,ter_num_t terrain_to_draw,short size,bool road) {
+void draw_one_tiny_terrain_spot (short i,short j,ter_pos_t terrain_to_draw,short size,bool road) {
 	rectangle dest_rect = {0,0,size,size},from_rect = {0,0,12,12};
 	short picture_wanted;
 	bool drawLargeIcon = false;
 	std::shared_ptr<const sf::Texture> source_gworld;
 	
-	picture_wanted = scenario.ter_types[terrain_to_draw].map_pic;
+	picture_wanted = scenario.ter_types[terrain_to_draw.get()].map_pic;
 	if(picture_wanted == NO_PIC) {
 		drawLargeIcon = true;
-		picture_wanted = scenario.ter_types[terrain_to_draw].picture;
+		picture_wanted = scenario.ter_types[terrain_to_draw.get()].picture;
 	}
 	
 	dest_rect.offset(8 + TER_RECT_UL_X + size * i, 8 + TER_RECT_UL_Y + size * j);

src/scenedit/scen.graphics.hpp

@@ -18,7 +18,7 @@ void draw_terrain();
 void draw_monsts();
 void draw_items();
 void force_tiny_redraw();
-void draw_one_terrain_spot (short i,short j,ter_num_t terrain_to_draw);
+//void draw_one_terrain_spot (short i,short j,ter_num_t terrain_to_draw);
 void draw_one_tiny_terrain_spot (short i,short j,ter_num_t terrain_to_draw,short size,bool road);
 rectangle get_template_rect (unsigned short type_wanted);
 void draw_frames();

src/scenedit/scen.townout.cpp

@@ -1555,7 +1555,7 @@ void set_current_town(int to, bool first_restore) {
 		store_current_terrain_state();
 	}
 
-	if(to < 0 || to >= scenario.towns.size()) return;
+	if(to < 0 || to >= scenario.towns.size()) to = 0;
 	cur_town = to;
 	town = scenario.towns[cur_town];
 	scenario.editor_state.last_town_edited = cur_town;