1 /*
2 * DrawMessages.cxx
3 * Daniel Nelson - 10/27/0
4 *
5 * Copyright (C) 2000 Daniel Nelson
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 *
21 * Daniel Nelson - aluminumangel.org
22 * 174 W. 18th Ave.
23 * Columbus, OH 43210
24 *
25 * Draws various messages.
26 */
27
28 #include <GL/glut.h>
29
30 #include "glext.h"
31
32 using namespace std;
33
34 #include "Game.h"
35 #include "Displayer.h"
36 #include "Communicator.h"
37 #include "CelebrationManager.h"
38 #include "MessageManager.h"
39 #include "WinRecord.h"
40
readyMessage(int message)41 void Displayer::readyMessage ( int message )
42 /*
43 * Ready the message texture for displaying. Note that messages and the count
44 * down use the same texture. Thus, both can not be active at once.
45 */
46 {
47 glGenTextures(1, &message_texture);
48
49 glBindTexture(GL_TEXTURE_2D, message_texture);
50
51 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
52 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
53 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
54 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
55
56 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, message_width[message],
57 message_height[message], GL_FALSE, GL_ALPHA, GL_UNSIGNED_BYTE,
58 message_texture_data[message]);
59 }
60
nextMessage(int message)61 void Displayer::nextMessage ( int message )
62 /*
63 * Replace the current message texture. Note that it is assumed that the
64 * caller knows what's going on as far as message texture sizes. Thus, changing
65 * the message texture sizes may break code.
66 */
67 {
68 glBindTexture(GL_TEXTURE_2D, message_texture);
69
70 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, message_width[message],
71 message_height[message], GL_ALPHA, GL_UNSIGNED_BYTE,
72 message_texture_data[message]);
73 }
74
freeMessage()75 void Displayer::freeMessage ( )
76 /*
77 * Deallocate the message texture.
78 */
79 {
80 glDeleteTextures(1, &message_texture);
81 }
82
drawMessage()83 void Displayer::drawMessage ( )
84 {
85 glBindTexture(GL_TEXTURE_2D, message_texture);
86
87 glPushMatrix();
88
89 // normal message
90 if (MessageManager::mode & MM_NORMAL) {
91
92 glColor4f(1.0f, 1.0f, 1.0f, message_alpha[MessageManager::time_step]);
93
94 if ((MetaState::mode & CM_SOLO) && (MetaState::state & MS_BOTH_KEY_WAIT))
95 glTranslatef(0.0f, DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH
96 * 2.0f * GC_SAFE_HEIGHT / 3.0f, DC_PLAY_OFFSET_Z);
97 else
98 glTranslatef(0.0f, DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH
99 * GC_SAFE_HEIGHT / 2.0f, DC_PLAY_OFFSET_Z);
100
101 glScalef(DC_MESSAGE_SCALE, DC_MESSAGE_SCALE, 1.0f);
102
103 if (MessageManager::message_shape & MS_1x1)
104 glCallList(message_1x1_list);
105 else if (MessageManager::message_shape & MS_2x1)
106 glCallList(message_2x1_list);
107 else
108 glCallList(message_4x1_list);
109
110 // win/loss message
111 } else {
112 // if we won
113 if (WinRecord::won) {
114
115 GLfloat color[4];
116 color[0] = DC_WIN_MESSAGE_RED;
117 color[1] = DC_WIN_MESSAGE_GREEN;
118 color[2] = DC_WIN_MESSAGE_BLUE;
119 if (CelebrationManager::win_alpha == 1.0f)
120 color[3] = 1.0f;
121 else {
122 color[3]
123 = CelebrationManager::win_alpha * CelebrationManager::win_alpha;
124 color[3] *= color[3];
125 }
126
127 if (CelebrationManager::win_flash1) {
128 GLfloat flash = CelebrationManager::win_flash1
129 * (2.0f / (GLfloat) DC_WIN_FLASH_1_TIME);
130 if (flash > 1.0f) flash = 2.0f - flash;
131 flash *= flash;
132 color[1] += (1.0f - DC_WIN_MESSAGE_GREEN) * flash;
133 color[2] += (1.0f - DC_WIN_MESSAGE_BLUE) * flash;
134 }
135
136 if (CelebrationManager::win_flash2) {
137 GLfloat flash = CelebrationManager::win_flash2
138 * (2.0f / (GLfloat) DC_WIN_FLASH_2_TIME);
139 if (flash > 1.0f) flash = 2.0f - flash;
140 flash *= flash;
141 color[1] -= (1.0f - DC_WIN_MESSAGE_GREEN) * flash;
142 color[2] += (1.0f - DC_WIN_MESSAGE_BLUE) * flash;
143 }
144
145 glColor4fv(color);
146
147 if (MetaState::mode & CM_SOLO)
148 glTranslatef(0.0f, DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH
149 * 0.75f * GC_SAFE_HEIGHT, DC_PLAY_OFFSET_Z);
150 else
151 glTranslatef(0.0f, DC_PLAY_OFFSET_Y + DC_GRID_ELEMENT_LENGTH
152 * GC_SAFE_HEIGHT / 2.0f, DC_PLAY_OFFSET_Z);
153
154 glScalef(CelebrationManager::win_scale * DC_MESSAGE_SCALE,
155 CelebrationManager::win_scale * DC_MESSAGE_SCALE, 1.0f);
156
157 glCallList(message_1x1_list);
158
159 // if we lost
160 } else {
161 glColor3f(DC_LOSS_MESSAGE_RED, DC_LOSS_MESSAGE_GREEN,
162 DC_LOSS_MESSAGE_BLUE);
163
164 glTranslatef(0.0f, CelebrationManager::loss_height + (DC_PLAY_OFFSET_Y
165 + DC_GRID_ELEMENT_LENGTH * GC_SAFE_HEIGHT / 2.0f), DC_PLAY_OFFSET_Z);
166
167 if (!CelebrationManager::loss_rescale)
168 glScalef(DC_MESSAGE_SCALE, DC_MESSAGE_SCALE, 1.0f);
169 else
170 glScalef(DC_MESSAGE_SCALE * DC_GAME_OVER_SCALE_RATIO,
171 DC_MESSAGE_SCALE * DC_GAME_OVER_SCALE_RATIO, 1.0f);
172
173 glCallList(message_1x1_list);
174 }
175 }
176
177 glPopMatrix();
178 }
179