Commit | Line | Data |
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e68f847b PG |
1 | /* |
2 | * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com. | |
3 | * | |
4 | * This program is free software: you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation, either version 3 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
a483ed75 | 18 | #include "game.h" |
f32a9b7c | 19 | |
5e0713e5 PG |
20 | #include <bear/debug.h> |
21 | using namespace bear; | |
a483ed75 | 22 | |
054d658f PG |
23 | #include <vector> |
24 | using std::vector; | |
25 | ||
054d658f | 26 | #include "entityCreator.h" |
33b8c69b | 27 | #include "effectManager.h" |
054d658f | 28 | |
ad9f1fb6 PG |
29 | #include "GameStates/GameState.h" |
30 | #include "GameStates/Running.h" | |
31 | #include "GameStates/Paused.h" | |
32 | #include "GameStates/CreatingPolygon.h" | |
33 | ||
68b2316d | 34 | |
ad9f1fb6 PG |
35 | /// ***** Private Variables ***** |
36 | ||
37 | // The stack of active game states | |
c16d1683 | 38 | static vector<GameState*> s_active_States; |
ad9f1fb6 PG |
39 | |
40 | // Pointers to each possible game state | |
c16d1683 PG |
41 | // inserted and removed from the s_active_States |
42 | static vector<GameState*> s_possible_States; | |
ad9f1fb6 | 43 | |
033c5535 | 44 | // true if the top state requested itself to be poped |
c16d1683 | 45 | static bool s_bPopState; |
033c5535 | 46 | // pointer to a state wishing to be added |
c16d1683 | 47 | static GameState* s_pPushState; |
033c5535 | 48 | |
ad9f1fb6 PG |
49 | |
50 | /// ***** Public Methods ***** | |
68b2316d PG |
51 | |
52 | void game::init() | |
ad9f1fb6 | 53 | { |
c16d1683 PG |
54 | s_bPopState = false; |
55 | s_pPushState = NULL; | |
033c5535 | 56 | |
054d658f | 57 | // create starting entities |
054d658f | 58 | creator::init(); |
c16d1683 | 59 | effect::init(); |
054d658f | 60 | |
c16d1683 PG |
61 | Running* pRunning = new Running(); |
62 | s_possible_States.push_back(pRunning); | |
63 | s_possible_States.push_back(new Paused()); | |
64 | s_possible_States.push_back(new CreatingPolygon()); | |
a483ed75 | 65 | |
c16d1683 | 66 | s_active_States.push_back(pRunning); |
33b8c69b | 67 | |
ca2d526e | 68 | DPF(0, "World Created"); |
ad9f1fb6 PG |
69 | } |
70 | ||
68b2316d | 71 | void game::clean() |
ad9f1fb6 | 72 | { |
33b8c69b | 73 | effect::clean(); |
054d658f PG |
74 | creator::clean(); |
75 | ||
c16d1683 PG |
76 | for(unsigned int i=0; i < s_possible_States.size(); i++) |
77 | { | |
78 | delete s_possible_States[i]; | |
79 | } | |
80 | s_possible_States.clear(); | |
81 | s_active_States.clear(); | |
ad9f1fb6 PG |
82 | } |
83 | ||
10baa49b | 84 | void game::handleInput() |
ad9f1fb6 | 85 | { |
10baa49b PG |
86 | creator::handleInput(); |
87 | ||
c16d1683 | 88 | int iLast = s_active_States.size() -1; |
10baa49b | 89 | |
c16d1683 | 90 | for(unsigned int i=0; i < s_possible_States.size(); i++) |
c46074c1 | 91 | { |
c16d1683 | 92 | GameState* pState = s_possible_States[i]; |
033c5535 | 93 | |
c16d1683 PG |
94 | if(s_active_States[iLast] != pState && pState->pushMe()) |
95 | { | |
96 | s_pPushState = pState; | |
97 | } | |
c46074c1 | 98 | } |
033c5535 PG |
99 | |
100 | ||
ad9f1fb6 | 101 | for( int i = 0; |
c16d1683 | 102 | i <= iLast; |
ad9f1fb6 PG |
103 | i++ ) |
104 | { | |
c16d1683 | 105 | if( i == iLast ) |
033c5535 | 106 | { |
c16d1683 PG |
107 | if(s_active_States[i]->popMe()) |
108 | s_bPopState = true; | |
033c5535 | 109 | else |
c16d1683 | 110 | s_active_States[i]->handleInput(true); |
033c5535 | 111 | } |
ad9f1fb6 | 112 | else |
c16d1683 | 113 | s_active_States[i]->handleInput(false); |
ad9f1fb6 | 114 | } |
ad9f1fb6 PG |
115 | } |
116 | ||
c16d1683 | 117 | void game::update(float fTimeStep) |
ad9f1fb6 | 118 | { |
c16d1683 | 119 | if(s_bPopState) |
033c5535 | 120 | { |
c16d1683 PG |
121 | s_active_States.pop_back(); |
122 | s_bPopState = false; | |
033c5535 PG |
123 | } |
124 | ||
c16d1683 | 125 | if(s_pPushState != NULL) |
c46074c1 | 126 | { |
c16d1683 PG |
127 | s_active_States.push_back(s_pPushState); |
128 | s_pPushState = NULL; | |
c46074c1 PG |
129 | } |
130 | ||
c16d1683 | 131 | int iLast = s_active_States.size() -1; |
ad9f1fb6 | 132 | for( int i = 0; |
c16d1683 | 133 | i <= iLast; |
ad9f1fb6 PG |
134 | i++ ) |
135 | { | |
c16d1683 PG |
136 | if( i == iLast ) |
137 | s_active_States[i]->update(fTimeStep, true); | |
ad9f1fb6 | 138 | else |
c16d1683 | 139 | s_active_States[i]->update(fTimeStep, false); |
ad9f1fb6 PG |
140 | } |
141 | } | |
142 | ||
68b2316d | 143 | void game::draw() |
ad9f1fb6 | 144 | { |
c16d1683 | 145 | int iLast = s_active_States.size() -1; |
ad9f1fb6 | 146 | for( int i = 0; |
c16d1683 | 147 | i <= iLast; |
ad9f1fb6 PG |
148 | i++ ) |
149 | { | |
c16d1683 PG |
150 | if( i == iLast ) |
151 | s_active_States[i]->draw(true); | |
ad9f1fb6 | 152 | else |
c16d1683 | 153 | s_active_States[i]->draw(false); |
ad9f1fb6 PG |
154 | } |
155 | } |