terom@3: #ifndef GAMESTATE_HH
terom@3: #define GAMESTATE_HH
terom@3: 
ekku@4: #include "Dimension.hh"
ekku@4: 
terom@5: #include <list>
terom@22: #include <stdexcept>
terom@5: 
terom@3: enum PlayerType {
terom@24:     PLAYER_LOCAL,
terom@24:     PLAYER_REMOTE
terom@3: };
terom@3: 
terom@22: #define PLAYER_DIM_W 10
terom@22: #define PLAYER_DIM_H 10
terom@22: #define MAP_DIM_W 800
terom@22: #define MAP_DIM_H 640
terom@22: 
terom@26: // forward-declare GameState
terom@26: class GameState;
terom@26: 
terom@3: class Player {
terom@24:     protected:
terom@24:         Coordinate position;
ekku@4: 
terom@26:         GameState &state;
terom@26: 
terom@24:     public:
terom@3: 
terom@26:         Player(GameState &state, Coordinate c, bool visible) : position(c), state(state), dimensions(PLAYER_DIM_W, PLAYER_DIM_H), visible(visible) {}
terom@24: 
terom@24:         PlayerType type;
terom@24:         Dimension dimensions;
terom@24:         bool visible;
terom@24: 
terom@24:         Coordinate getPosition (void) const {
terom@25:             return position;
terom@24:         }
terom@24:     
terom@24:     protected:
terom@25:         /*
terom@25:          * Update position to the given value.
terom@25:          *
terom@25:          * Returns true if valid move (not out of bounds), false otherwise (doesn't change position)
terom@25:          */
terom@26:         bool updatePosition (Coordinate p);
terom@22: 
terom@3: };
terom@3: 
terom@3: class LocalPlayer : public Player {
terom@24:     protected:
terom@26:         LocalPlayer (GameState &state, Coordinate c, bool visible) : Player(state, c, visible) { }
terom@24:     
terom@24:     public:
terom@25:         virtual bool move (PositionDelta d) {
terom@26:             return updatePosition(position + d);
terom@24:         }
terom@3: };
terom@3: 
terom@3: class RemotePlayer : public Player {
terom@24:     protected:
terom@26:         RemotePlayer (GameState &state, Coordinate c, bool visible) : Player(state, c, visible) { }
terom@22: 
terom@6: };
terom@6: 
terom@6: class GameState {
terom@24:     public:
terom@24:         Dimension map_dimensions;
terom@24:         std::list<Player*> player_list;
terom@8: 
terom@24:         // only one local player is supported
terom@24:         LocalPlayer *local_player;
terom@22: 
terom@24:         GameState (void) : map_dimensions(MAP_DIM_W, MAP_DIM_H), local_player(NULL) {
terom@22: 
terom@24:         }
terom@26: 
terom@26:         /*
terom@26:          * Check if the given coordinate is valid
terom@26:          */
terom@26:         bool isValidCoordinate (const Coordinate &p) {
terom@26:             // unsigned...
terom@26:             return !(p.x > map_dimensions.w || p.y > map_dimensions.h);
terom@26:         }
terom@25:         
terom@25:         /*
terom@25:          * This will return NULL if we don't have a local player - yet
terom@25:          */
terom@25:         LocalPlayer *getLocalPlayer (void) {
terom@25:             return local_player;
terom@24:         }
terom@24:         
terom@24:         void newLocalPlayer (LocalPlayer *player) {
terom@24:             if (local_player)
terom@24:                 throw std::logic_error("newLocalPlayer called even though we already have a local player");
terom@24: 
terom@24:             player_list.push_back(player);
terom@24: 
terom@24:             local_player = player;
terom@24:         }
terom@24: 
terom@24:         void newRemotePlayer (RemotePlayer *player) {
terom@24:             player_list.push_back(player);
terom@24:         }
terom@24: 
terom@24:         void removePlayer (Player *player) {
terom@24:             player_list.remove(player);
terom@24:         }
terom@6: };
terom@6: 
terom@3: #endif