Added ability to actually build different unit types, as well as icons to distinguish them

drawutils.cpp

@@ -7,7 +7,10 @@ SDL_Surface* DrawUtils::load(string file)
     SDL_Surface* raw = NULL;
     SDL_Surface* cooked = NULL;
 
-    raw = SDL_LoadBMP(file.c_str());
+    string full_path = "res/";
+    full_path += file;
+
+    raw = SDL_LoadBMP(full_path.c_str());
     if (raw == NULL) return NULL;
 
     cooked = SDL_DisplayFormat(raw);

game.cpp

@@ -11,6 +11,10 @@ Game::Game(stack<GameState*>* state_stack, SDL_Surface* display)
 {
     background = NULL;
     font = NULL;
+
+    attacker_icon = NULL;
+    defender_icon = NULL;
+    producer_icon = NULL;
 }
 
 
@@ -32,21 +36,22 @@ Game::~Game()
 bool Game::init()
 {
     background = DrawUtils::load("background.bmp");
-
-    if (background == NULL)
-    {
-	debug("Game::init(): error: Couldn't load background image");
-	return false;
-    }
-
     font = TTF_OpenFont("LiberationSans-Regular.ttf", 12);
+    attacker_icon = DrawUtils::load("attacker_icon.bmp");
+    defender_icon = DrawUtils::load("defender_icon.bmp");
+    producer_icon = DrawUtils::load("producer_icon.bmp");
 
-    if (font == NULL)
+    if (background == NULL || font == NULL || attacker_icon == NULL ||
+	defender_icon == NULL || producer_icon == NULL)
     {
-	debug("Game::init(): error: Couldn't load font");
+	debug("Game::init(): error: Couldn't load some resource(s)");
 	return false;
     }
 
+    DrawUtils::transpare(attacker_icon);
+    DrawUtils::transpare(defender_icon);
+    DrawUtils::transpare(producer_icon);
+
     int row1 = display->h - 95;
     int row2 = display->h - 50;
     int col1 = 155;
@@ -102,13 +107,11 @@ void Game::render()
 				      range_colour);
     }
 
-    // Now paint each vertex, and any edges that it needs
+    // First draw the edges, so that they don't obscure any data
     for (list<Vertex*>::iterator cursor = vertices.begin();
 	 cursor != vertices.end(); cursor++)
     {
 	Vertex* v = *cursor;
-	DrawUtils::draw_circle_filled(display, v->x, v->y, v->r,
-				      v->colour);
 
 	for (list<Vertex*>::iterator subcursor = v->neighbors.begin();
 	     subcursor != v->neighbors.end(); subcursor++)
@@ -119,16 +122,6 @@ void Game::render()
 	}
     }
 
-    // Add hit points on top of the nodes
-    for (list<Vertex*>::iterator cursor = vertices.begin();
-	 cursor != vertices.end(); cursor++)
-    {
-	Vertex* v = *cursor;
-
-	DrawUtils::draw_text(display, itos(v->score), v->x, v->y, font,
-			     0x00ff00, true, true);
-    }
-
     // ring the selected vertex and write info about it
     if (data.get_current_vertex() != NULL)
     {
@@ -137,6 +130,14 @@ void Game::render()
 	draw_stats(v);
     }
 
+    // Draw each node
+    for (list<Vertex*>::iterator cursor = vertices.begin();
+	 cursor != vertices.end(); cursor++)
+    {
+	Vertex* v = *cursor;
+	draw_node(v);
+    }
+
     // draw the rest of the bottom menu
 
     // horizontal line across the whole thing
@@ -190,6 +191,29 @@ void Game::draw_button(MenuButton* button)
 }
 
 
+void Game::draw_node(Vertex* v)
+{
+	DrawUtils::draw_circle_filled(display, v->x, v->y, v->r,
+				      v->colour);
+
+	DrawUtils::draw_text(display, itos(v->score), v->x, v->y, font,
+			     0x00ff00, true, true);
+
+	switch (dynamic_cast<GameVertex*>(v)->type)
+	{
+	case VERTEX_ATTACKER:
+	    DrawUtils::draw(display, attacker_icon, v->x + 5, v-> y + 5);
+	    break;
+	case VERTEX_DEFENDER:
+	    DrawUtils::draw(display, defender_icon, v->x + 5, v-> y + 5);
+	    break;
+	case VERTEX_PRODUCER:
+	    DrawUtils::draw(display, producer_icon, v->x + 5, v-> y + 5);
+	    break;
+	}
+}
+
+
 void Game::handle_button_press(ButtonAction action)
 {
     switch (action)
@@ -225,7 +249,7 @@ void Game::draw_stats(Vertex* v)
     DrawUtils::draw_text(display, "player:", x, y, font);
     DrawUtils::draw_text(display, dynamic_cast<GameVertex*>(v)->player->get_name(), x + 50, y, font);
 
-    DrawUtils::draw_text(display, "str:", x, y + 14, font);
+    DrawUtils::draw_text(display, "atk:", x, y + 14, font);
     DrawUtils::draw_text(display, itos(data.calculate_strength(v)),
 			 x + 50, y + 14, font);
 

game.h

@@ -40,6 +40,7 @@ class Game : public GameState
  private:
     void draw_stats(Vertex* v);
     void draw_button(MenuButton* button);
+    void draw_node(Vertex* v);
 
     void handle_button_press(ButtonAction action);
 
@@ -52,6 +53,9 @@ class Game : public GameState
     // surfaces containing textures to draw
     SDL_Surface* background;
     TTF_Font* font;
+    SDL_Surface* attacker_icon;
+    SDL_Surface* defender_icon;
+    SDL_Surface* producer_icon;
 
     // menu buttons
     list<MenuButton*> buttons;

gamedata.cpp

@@ -31,7 +31,7 @@ GameData::GameData()
     player1 = Player("player 1", PLAYER1_COLOUR);
     player2 = Player("player 2", PLAYER2_COLOUR);
     turn = &player1;
-    build_type = VERTEX_NONE;
+    build_type = VERTEX_PRODUCER; // first vertex is always a producer
 }
 
 GameData::~GameData() { }
@@ -67,8 +67,16 @@ void GameData::toggle_turn()
 	if (turn == &player1) turn = &player2;
 	else if (turn == &player2) turn = &player1;
 
-	if (!turn->has_played()) mode = MODE_BUILD;
-	else mode = MODE_SELECT;
+	if (!turn->has_played())
+	{
+	    mode = MODE_BUILD;
+	    build_type = VERTEX_PRODUCER;
+	}
+	else
+	{
+	    mode = MODE_SELECT;
+	    build_type = VERTEX_NONE;
+	}
     }
 
     current = NULL;
@@ -125,8 +133,9 @@ bool GameData::select_vertex(int x, int y)
 
 bool GameData::add_vertex(int x, int y, int z, int r, int colour)
 {
-    GameVertex* v = new GameVertex(x, y, z, r, colour, 10, VERTEX_ATTACKER,
-				   turn);
+    if (build_type == VERTEX_NONE) return false;
+
+    GameVertex* v = new GameVertex(x, y, z, r, colour, 10, build_type, turn);
 
     if (current == NULL)
     {
@@ -182,7 +191,9 @@ bool GameData::add_vertex(int x, int y, int z, int r, int colour)
 float GameData::calculate_armor(Vertex* node)
 {
     float str = calculate_strength(node);
-    return str / 10;
+    float armor = str / 10;
+    if (armor < 1) armor = 1;
+    return armor;
 }
 
 
@@ -287,16 +298,13 @@ int GameData::get_range(Vertex* node)
 void GameData::attack_vertex(Vertex* target)
 {
     float atk = calculate_strength(current);
-    float armor = calculate_armor(current);
-
+    float armor = calculate_armor(target);
     int damage = (int)(atk / armor);
-
     target->score -= damage;
-
     if (target->score <= 0) remove_vertex(target);
 
 #ifdef DEBUG
-    fprintf(stderr, "debug: GameData::attack_vertex(): atk=%.2f, armor=%.2f, armor=%.2f, damage=%d\n", atk, armor, damage);
+    fprintf(stderr, "debug: GameData::attack_vertex(): atk=%.2f, armor=%.2f, damage=%d\n", atk, armor, damage);
 #endif
 
     toggle_turn();

gamedata.h

@@ -17,7 +17,7 @@ class GameVertex : public Vertex
 {
   public:
     GameVertex(int x, int y, int z, int r, int colour = 0, int score = 0,
-	       VertexType type = VERTEX_ATTACKER, Player* player = NULL);
+	       VertexType type = VERTEX_NONE, Player* player = NULL);
 
     VertexType type;
     Player* player;