aboutsummaryrefslogtreecommitdiff
path: root/engines/hdb/hdb.cpp
blob: 4200693775ecf1a48d0d8de0251811076b27e4fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "common/scummsys.h"
#include "common/system.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/debug-channels.h"
#include "common/file.h"
#include "common/error.h"
#include "common/stream.h"
#include "common/memstream.h"

#include "hdb/hdb.h"
#include "hdb/console.h"

namespace HDB {

HDBGame* g_hdb;

HDBGame::HDBGame(OSystem *syst, const ADGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
	_console = nullptr;
	_format = Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
	_systemInit = false;
	g_hdb = this;
	_fileMan = new FileMan;
	_drawMan = new DrawMan;
	_lua = new LuaScript;
	_map = new Map;
	_rnd = new Common::RandomSource("hdb");

	DebugMan.addDebugChannel(kDebugExample1, "Example1", "This is just an example to test");
	DebugMan.addDebugChannel(kDebugExample2, "Example2", "This is also an example");
}

HDBGame::~HDBGame() {
	delete _console;
	delete _fileMan;
	delete _drawMan;
	delete _lua;
	delete _map;
	delete _rnd;

	DebugMan.clearAllDebugChannels();
}

bool HDBGame::init() {
	/*
		Game Subsystem Initializations
	*/

	// Init fileMan

	if (!_fileMan->openMPC(getGameFile())) {
		error("FileMan::openMPC: Cannot find the hyperspace.mpc data file.");
		return false;
	}
	if (!_drawMan->init()) {
		error("DrawMan::init: Couldn't initialize DrawMan");
		return false;
	}
	if (!_lua->init()) {
		error("LuaScript::init: Couldn't load the GLOBAL_LUA code.");
		return false;
	}

	_gameShutdown = false;
	_systemInit = true;

	return true;
}

void HDBGame::start() {
	_gameState = GAME_TITLE;
}

/*
	Changes the current GameState to the next one.
	Game State Transitions are deterministic: each state can
	only a particular state. The next state is held in gameState.

	TODO: All the functionality hasn't been implemented yet since
	their subsystems are incomplete. This section needs to be periodically
	updated as soon as the subsytems are improved.
*/
void HDBGame::changeGameState() {

	switch (_gameState) {
	case GAME_TITLE:
		_gameState = GAME_MENU;
		break;
	case GAME_MENU:
		_gameState = GAME_PLAY;
		break;
	case GAME_PLAY:
		_gameState = GAME_MENU;
		break;
	case GAME_LOADING:
		break;
	}
}

Common::Error HDBGame::run() {

	// Initialize System
	if (!_systemInit) {
		init();
	}

	// Initializes Graphics
	initGraphics(kScreenWidth, kScreenHeight, &_format);
	_console = new Console();


	Common::SeekableReadStream *titleStream = _fileMan->findFirstData("monkeylogoscreen", TYPE_PIC);
	if (titleStream == NULL) {
		debug("The TitleScreen MPC entry can't be found.");
		return Common::kReadingFailed;
	}

	Picture *titlePic = new Picture;
	titlePic->load(titleStream);

	Common::SeekableReadStream *tileStream = _fileMan->findFirstData("t32_ground1", TYPE_TILE32);
	if (tileStream == NULL) {
		debug("The t32_shipwindow_lr MPC entry can't be found.");
		return Common::kReadingFailed;
	}

	Tile *tile = new Tile;
	tile->load(tileStream);

	Common::SeekableReadStream *luaStream = _fileMan->findFirstData("MAP00_LUA", TYPE_BINARY);
	int32 luaLength = _fileMan->getLength("MAP00_LUA", TYPE_BINARY);
	if (luaStream == NULL) {
		debug("The MAP00_LUA MPC entry can't be found.");
		return Common::kReadingFailed;
	}

	_lua->initScript(luaStream, "MAP00_LUA", luaLength);

	Common::SeekableReadStream *mapStream = _fileMan->findFirstData("MAP00_MSM", TYPE_BINARY);
	if (mapStream == NULL) {
		debug("The MAP00_MSM MPC entry can't be found.");
		return Common::kReadingFailed;
	}

	_map->load(mapStream);
	_map->draw();

#if 0
	lua->executeFile("test.lua");
#endif

	while (!shouldQuit()) {

		Common::Event event;
		while (g_system->getEventManager()->pollEvent(event)) {
			switch (event.type) {
			case Common::EVENT_QUIT:
			case Common::EVENT_RTL:
				break;
			case Common::EVENT_KEYDOWN:
				debug("Key was pressed.");
				break;
			default:
				break;
			}
		}

		g_system->updateScreen();
		g_system->delayMillis(10);
	}

	return Common::kNoError;
}

} // End of namespace HDB