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
|
/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "graphics.h"
#include "resources/resourcemanager.h"
#include "main.h"
#include "log.h"
extern volatile int framesToDraw;
SDL_Surface *screen;
Graphics::Graphics():
mouseCursor(NULL)
{
#ifdef USE_OPENGL
if (useOpenGL) {
// Setup OpenGL
glViewport(0, 0, 800, 600);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
int gotDoubleBuffer;
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &gotDoubleBuffer);
logger->log("Using OpenGL %s double buffering.",
(gotDoubleBuffer ? "with" : "without"));
}
#endif
#ifdef USE_OPENGL
setTargetPlane(800, 600);
#else
setTarget(SDL_GetVideoSurface());
#endif
// Hide the system mouse cursor
SDL_ShowCursor(SDL_DISABLE);
// Load the mouse cursor
ResourceManager *resman = ResourceManager::getInstance();
mouseCursor = resman->getImage("graphics/gui/mouse.png");
if (!mouseCursor) {
logger->error("Unable to load mouse cursor.");
}
// Initialize for drawing
_beginDraw();
}
Graphics::~Graphics()
{
// Deinitialize for drawing
_endDraw();
mouseCursor->decRef();
}
int Graphics::getWidth()
{
return screen->w;
}
int Graphics::getHeight()
{
return screen->h;
}
void Graphics::drawImageRect(
int x, int y, int w, int h,
Image *topLeft, Image *topRight,
Image *bottomLeft, Image *bottomRight,
Image *top, Image *right,
Image *bottom, Image *left,
Image *center)
{
// Draw the center area
center->drawPattern(screen,
x + topLeft->getWidth(), y + topLeft->getHeight(),
w - topLeft->getWidth() - topRight->getWidth(),
h - topLeft->getHeight() - bottomLeft->getHeight());
// Draw the sides
top->drawPattern(screen,
x + topLeft->getWidth(), y,
w - topLeft->getWidth() - topRight->getWidth(), top->getHeight());
bottom->drawPattern(screen,
x + bottomLeft->getWidth(), y + h - bottom->getHeight(),
w - bottomLeft->getWidth() - bottomRight->getWidth(),
bottom->getHeight());
left->drawPattern(screen,
x, y + topLeft->getHeight(),
left->getWidth(),
h - topLeft->getHeight() - bottomLeft->getHeight());
right->drawPattern(screen,
x + w - right->getWidth(), y + topRight->getHeight(),
right->getWidth(),
h - topRight->getHeight() - bottomRight->getHeight());
// Draw the corners
topLeft->draw(screen, x, y);
topRight->draw(screen, x + w - topRight->getWidth(), y);
bottomLeft->draw(screen, x, y + h - bottomLeft->getHeight());
bottomRight->draw(screen,
x + w - bottomRight->getWidth(),
y + h - bottomRight->getHeight());
}
void Graphics::drawImageRect(
int x, int y, int w, int h,
const ImageRect &imgRect)
{
drawImageRect(x, y, w, h,
imgRect.grid[0], imgRect.grid[2], imgRect.grid[6], imgRect.grid[8],
imgRect.grid[1], imgRect.grid[5], imgRect.grid[7], imgRect.grid[3],
imgRect.grid[4]);
}
void Graphics::updateScreen()
{
int mouseX, mouseY;
Uint8 button = SDL_GetMouseState(&mouseX, &mouseY);
if (SDL_GetAppState() & SDL_APPMOUSEFOCUS || button & SDL_BUTTON(1))
{
// Draw mouse before flipping
mouseCursor->draw(screen, mouseX - 5, mouseY - 2);
}
#ifdef USE_OPENGL
if (useOpenGL) {
glFlush();
glFinish();
SDL_GL_SwapBuffers();
}
else {
SDL_Flip(screen);
}
#else
SDL_Flip(screen);
#endif
// Decrement frame counter when using framerate limiting
if (framesToDraw > 1) framesToDraw--;
// Wait while we're not allowed to draw next frame yet
while (framesToDraw == 1)
{
SDL_Delay(10);
}
}
|
