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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 PG |
18 | #include "game.h" |
19 | #include "debug.h" | |
20 | ||
054d658f PG |
21 | #include <vector> |
22 | using std::vector; | |
23 | ||
054d658f | 24 | #include "entityCreator.h" |
33b8c69b | 25 | #include "effectManager.h" |
054d658f | 26 | |
ad9f1fb6 PG |
27 | #include "GameStates/GameState.h" |
28 | #include "GameStates/Running.h" | |
29 | #include "GameStates/Paused.h" | |
30 | #include "GameStates/CreatingPolygon.h" | |
31 | ||
68b2316d | 32 | |
ad9f1fb6 PG |
33 | /// ***** Private Variables ***** |
34 | ||
35 | // The stack of active game states | |
c16d1683 | 36 | static vector<GameState*> s_active_States; |
ad9f1fb6 PG |
37 | |
38 | // Pointers to each possible game state | |
c16d1683 PG |
39 | // inserted and removed from the s_active_States |
40 | static vector<GameState*> s_possible_States; | |
ad9f1fb6 | 41 | |
033c5535 | 42 | // true if the top state requested itself to be poped |
c16d1683 | 43 | static bool s_bPopState; |
033c5535 | 44 | // pointer to a state wishing to be added |
c16d1683 | 45 | static GameState* s_pPushState; |
033c5535 | 46 | |
ad9f1fb6 PG |
47 | |
48 | /// ***** Public Methods ***** | |
68b2316d PG |
49 | |
50 | void game::init() | |
ad9f1fb6 | 51 | { |
c16d1683 PG |
52 | s_bPopState = false; |
53 | s_pPushState = NULL; | |
033c5535 | 54 | |
054d658f | 55 | // create starting entities |
054d658f | 56 | creator::init(); |
c16d1683 | 57 | effect::init(); |
054d658f | 58 | |
c16d1683 PG |
59 | Running* pRunning = new Running(); |
60 | s_possible_States.push_back(pRunning); | |
61 | s_possible_States.push_back(new Paused()); | |
62 | s_possible_States.push_back(new CreatingPolygon()); | |
a483ed75 | 63 | |
c16d1683 | 64 | s_active_States.push_back(pRunning); |
33b8c69b | 65 | |
ca2d526e | 66 | DPF(0, "World Created"); |
ad9f1fb6 PG |
67 | } |
68 | ||
68b2316d | 69 | void game::clean() |
ad9f1fb6 | 70 | { |
33b8c69b | 71 | effect::clean(); |
054d658f PG |
72 | creator::clean(); |
73 | ||
c16d1683 PG |
74 | for(unsigned int i=0; i < s_possible_States.size(); i++) |
75 | { | |
76 | delete s_possible_States[i]; | |
77 | } | |
78 | s_possible_States.clear(); | |
79 | s_active_States.clear(); | |
ad9f1fb6 PG |
80 | } |
81 | ||
10baa49b | 82 | void game::handleInput() |
ad9f1fb6 | 83 | { |
10baa49b PG |
84 | creator::handleInput(); |
85 | ||
c16d1683 | 86 | int iLast = s_active_States.size() -1; |
10baa49b | 87 | |
c16d1683 | 88 | for(unsigned int i=0; i < s_possible_States.size(); i++) |
c46074c1 | 89 | { |
c16d1683 | 90 | GameState* pState = s_possible_States[i]; |
033c5535 | 91 | |
c16d1683 PG |
92 | if(s_active_States[iLast] != pState && pState->pushMe()) |
93 | { | |
94 | s_pPushState = pState; | |
95 | } | |
c46074c1 | 96 | } |
033c5535 PG |
97 | |
98 | ||
ad9f1fb6 | 99 | for( int i = 0; |
c16d1683 | 100 | i <= iLast; |
ad9f1fb6 PG |
101 | i++ ) |
102 | { | |
c16d1683 | 103 | if( i == iLast ) |
033c5535 | 104 | { |
c16d1683 PG |
105 | if(s_active_States[i]->popMe()) |
106 | s_bPopState = true; | |
033c5535 | 107 | else |
c16d1683 | 108 | s_active_States[i]->handleInput(true); |
033c5535 | 109 | } |
ad9f1fb6 | 110 | else |
c16d1683 | 111 | s_active_States[i]->handleInput(false); |
ad9f1fb6 | 112 | } |
ad9f1fb6 PG |
113 | } |
114 | ||
c16d1683 | 115 | void game::update(float fTimeStep) |
ad9f1fb6 | 116 | { |
c16d1683 | 117 | if(s_bPopState) |
033c5535 | 118 | { |
c16d1683 PG |
119 | s_active_States.pop_back(); |
120 | s_bPopState = false; | |
033c5535 PG |
121 | } |
122 | ||
c16d1683 | 123 | if(s_pPushState != NULL) |
c46074c1 | 124 | { |
c16d1683 PG |
125 | s_active_States.push_back(s_pPushState); |
126 | s_pPushState = NULL; | |
c46074c1 PG |
127 | } |
128 | ||
c16d1683 | 129 | int iLast = s_active_States.size() -1; |
ad9f1fb6 | 130 | for( int i = 0; |
c16d1683 | 131 | i <= iLast; |
ad9f1fb6 PG |
132 | i++ ) |
133 | { | |
c16d1683 PG |
134 | if( i == iLast ) |
135 | s_active_States[i]->update(fTimeStep, true); | |
ad9f1fb6 | 136 | else |
c16d1683 | 137 | s_active_States[i]->update(fTimeStep, false); |
ad9f1fb6 PG |
138 | } |
139 | } | |
140 | ||
68b2316d | 141 | void game::draw() |
ad9f1fb6 | 142 | { |
c16d1683 | 143 | int iLast = s_active_States.size() -1; |
ad9f1fb6 | 144 | for( int i = 0; |
c16d1683 | 145 | i <= iLast; |
ad9f1fb6 PG |
146 | i++ ) |
147 | { | |
c16d1683 PG |
148 | if( i == iLast ) |
149 | s_active_States[i]->draw(true); | |
ad9f1fb6 | 150 | else |
c16d1683 | 151 | s_active_States[i]->draw(false); |
ad9f1fb6 PG |
152 | } |
153 | } |