aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/engine/kevent.cpp
blob: c0a137469e13848abb818d00c183eecb4edd09e1 (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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "sci/sci.h"
#include "sci/engine/state.h"
#include "sci/engine/kernel.h"
#include "sci/gfx/gfx_widgets.h"
#include "sci/gfx/gfx_state_internal.h"	// required for GfxPort, GfxVisual
#include "sci/console.h"	// for debug_simulated_key

namespace Sci {

int stop_on_event = 0;
extern int debug_simulated_key;
extern bool debug_track_mouse_clicks;

#define SCI_VARIABLE_GAME_SPEED 3

reg_t kGetEvent(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	int mask = UKPV(0);
	reg_t obj = argv[1];
	sci_event_t e;
	int oldx, oldy;
	int modifier_mask = s->version <= SCI_VERSION_0 ? SCI_EVM_ALL : SCI_EVM_NO_FOOLOCK;

	if (s->kernel_opt_flags & KERNEL_OPT_FLAG_GOT_2NDEVENT) {
		// Penalty time- too many requests to this function without waiting!
		int delay = s->script_000->locals_block->_locals[SCI_VARIABLE_GAME_SPEED].offset;
		gfxop_sleep(s->gfx_state, delay * 1000 / 60);
	}

	// If there's a simkey pending, and the game wants a keyboard event, use the
	// simkey instead of a normal event
	if (debug_simulated_key && (mask & SCI_EVT_KEYBOARD)) {
		PUT_SEL32V(obj, type, SCI_EVT_KEYBOARD); // Keyboard event
		PUT_SEL32V(obj, message, debug_simulated_key);
		PUT_SEL32V(obj, modifiers, SCI_EVM_NUMLOCK); // Numlock on
		PUT_SEL32V(obj, x, s->gfx_state->pointer_pos.x);
		PUT_SEL32V(obj, y, s->gfx_state->pointer_pos.y);
		debug_simulated_key = 0;
		return make_reg(0, 1);
	}

	oldx = s->gfx_state->pointer_pos.x;
	oldy = s->gfx_state->pointer_pos.y;
	e = gfxop_get_event(s->gfx_state, mask);

	s->parser_event = NULL_REG; // Invalidate parser event

	PUT_SEL32V(obj, x, s->gfx_state->pointer_pos.x);
	PUT_SEL32V(obj, y, s->gfx_state->pointer_pos.y);

	//gfxop_set_pointer_position(s->gfx_state, Common::Point(s->gfx_state->pointer_pos.x, s->gfx_state->pointer_pos.y));

	if (e.type)
		s->kernel_opt_flags &= ~(KERNEL_OPT_FLAG_GOT_EVENT | KERNEL_OPT_FLAG_GOT_2NDEVENT);
	else {
		if (s->kernel_opt_flags & KERNEL_OPT_FLAG_GOT_EVENT)
			s->kernel_opt_flags |= KERNEL_OPT_FLAG_GOT_2NDEVENT;
		else
			s->kernel_opt_flags |= KERNEL_OPT_FLAG_GOT_EVENT;
	}

	switch (e.type) {
	case SCI_EVT_QUIT:
		quit_vm();
		break;

	case SCI_EVT_KEYBOARD:
		if ((e.buckybits & SCI_EVM_LSHIFT) && (e.buckybits & SCI_EVM_RSHIFT) && (e.data == '-')) {
			sciprintf("Debug mode activated\n");
			_debug_seeking = _debug_step_running = 0;
		} else if ((e.buckybits & SCI_EVM_CTRL) && (e.data == '`')) {
			sciprintf("Debug mode activated\n");
			_debug_seeking = _debug_step_running = 0;
		} else {
			PUT_SEL32V(obj, type, SCI_EVT_KEYBOARD); // Keyboard event
			s->r_acc = make_reg(0, 1);
			PUT_SEL32V(obj, message, e.character);
			// We only care about the translated
			// character
			PUT_SEL32V(obj, modifiers, e.buckybits&modifier_mask);
		}
		break;

	case SCI_EVT_MOUSE_RELEASE:
	case SCI_EVT_MOUSE_PRESS: {
		int extra_bits = 0;

		// track left buttton clicks, if requested
		if (e.type == SCI_EVT_MOUSE_PRESS && e.data == 1 && debug_track_mouse_clicks) {
			((SciEngine *)g_engine)->getDebugger()->DebugPrintf("Mouse clicked at %d, %d\n", 
						s->gfx_state->pointer_pos.x, s->gfx_state->pointer_pos.y);
		}

		if (mask & e.type) {
			switch (e.data) {
			case 2:
				extra_bits = SCI_EVM_LSHIFT | SCI_EVM_RSHIFT;
				break;
			case 3:
				extra_bits = SCI_EVM_CTRL;
			default:
				break;
			}

			PUT_SEL32V(obj, type, e.type);
			PUT_SEL32V(obj, message, 1);
			PUT_SEL32V(obj, modifiers, (e.buckybits | extra_bits)&modifier_mask);
			s->r_acc = make_reg(0, 1);
		}
		break;
	}

	default:
		s->r_acc = NULL_REG; // Unknown or no event
	}

	if ((s->r_acc.offset) && (stop_on_event)) {
		stop_on_event = 0;
	}

	return s->r_acc;
}

reg_t kMapKeyToDir(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	reg_t obj = argv[0];

	if (GET_SEL32V(obj, type) == SCI_EVT_KEYBOARD) { // Keyboard
		int mover = -1;
		switch (GET_SEL32V(obj, message)) {
		case SCI_K_HOME:
			mover = 8;
			break;
		case SCI_K_UP:
			mover = 1;
			break;
		case SCI_K_PGUP:
			mover = 2;
			break;
		case SCI_K_LEFT:
			mover = 7;
			break;
		case SCI_K_CENTER:
		case 76:
			mover = 0;
			break;
		case SCI_K_RIGHT:
			mover = 3;
			break;
		case SCI_K_END:
			mover = 6;
			break;
		case SCI_K_DOWN:
			mover = 5;
			break;
		case SCI_K_PGDOWN:
			mover = 4;
			break;
		default:
			break;
		}

		if (mover >= 0) {
			PUT_SEL32V(obj, type, SCI_EVT_JOYSTICK);
			PUT_SEL32V(obj, message, mover);
			return make_reg(0, 1);
		} else
			return NULL_REG;
	}

	return s->r_acc;
}

reg_t kGlobalToLocal(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	reg_t obj = argc ? argv[0] : NULL_REG; // Can this really happen? Lars

	if (obj.segment) {
		int x = GET_SEL32V(obj, x);
		int y = GET_SEL32V(obj, y);

		PUT_SEL32V(obj, x, x - s->port->zone.x);
		PUT_SEL32V(obj, y, y - s->port->zone.y);
	}

	return s->r_acc;

}

reg_t kLocalToGlobal(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	reg_t obj = argc ? argv[0] : NULL_REG; // Can this really happen? Lars

	if (obj.segment) {
		int x = GET_SEL32V(obj, x);
		int y = GET_SEL32V(obj, y);

		PUT_SEL32V(obj, x, x + s->port->zone.x);
		PUT_SEL32V(obj, y, y + s->port->zone.y);
	}

	return s->r_acc;
}

reg_t kJoystick(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	// Subfunction 12 sets/gets joystick repeat rate
	debug(5, "Unimplemented syscall 'Joystick()'");
	return NULL_REG;
}

} // End of namespace Sci