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
|
#include <unistd.h>
#include "game.h"
#include "game/physics/movement.h"
#include "game/world/bsp.h"
#include "game/world/draw.h"
#include "render/gl_2d.h"
#include "render/gl_3d.h"
#include "render/gl_2d_font.h"
#include "editor/editor.h"
#include "game/assets.h"
#include "game/vars.h"
#include "game/objlist.h"
#include "game/world/map.h"
#include "gui.h"
#include "render/gl_batch.h"
#include "util.h"
static void game_realtime_resize_repaint( void* userdata );
GAME_DATA* game_init( GL_DATA* gl ) {
GAME_DATA* game = (GAME_DATA*)malloc( sizeof( GAME_DATA ) );
memset( game, 0, sizeof(GAME_DATA) );
game->gl = gl;
VEC2 screensize = { (F32)gl->canvas_size[0], (F32)gl->canvas_size[1] };
game->shaders.gl2d = gl_2d_init( gl, screensize, "2d" );
game->shaders.gl2d_texcoord = gl_2d_init( gl, screensize, "2d_texcoord" );
game->shaders.gl3d = gl_3d_init( gl, screensize, "3d" );
game_create_batches( game );
assets_init( game );
assets_on_frame( game );
objl = objl_init();
gmove_init( game );
#if IS_EDITOR
game->editor = editor_create( game );
#else
gui_create( game );
game->state.ingame = 1;
#endif
gl_set_resize_repaint_callback( gl, game_realtime_resize_repaint, game );
return game;
}
void game_create_batches( GAME_DATA *game ) {
game->render.batch_3d = gl_batch_create( game->gl, game->shaders.gl3d, &gl_3d_batch_setup );
}
#if defined(DEBUG) && !IS_EDITOR
void game_draw_fpsoverlay( GAME_DATA* game ) {
GL_DATA* gl = game->gl;
char buf[256];
sprintf( buf, "fps: %1.3f (%2.5f ms) %dx%d", gl->fps, gl->frametime, canvas[0], canvas[1] );
VEC2 dim = gl_font_dim( game->assets.font, buf );
gl_font_draw(
game->assets.font,
game->shaders.gl2d_texcoord,
s_tr({ -dim.x - 30.f, dim.y + 5.f }),
buf,
(CLR){ 1.f, 1.f, 1.f, 1.f }
);
}
void game_draw_fontoverlay( GAME_DATA* game ) {
for( U32 i = 0; i < 255; ++i ) {
char str[64];
sprintf( str, "%d:%c", i, (char)i );
gl_font_draw(
game->assets.jpn12,
game->shaders.gl2d_texcoord,
s_tl({ 10.f + ( i % 18 ) * 33,
280.f + floorf( i / 18.f ) * 14.f }),
str,
CLR::WHITE()
);
}
}
#endif
WORLD_MAP* game_load_map( GAME_DATA* game, const char* mapname ) {
WORLD_MAP* m = map_from_file( game, mapname );
if( !m ) {
dlog( "game_load_map() : failed to load file %s", mapname );
return 0;
}
bsp_build_map( m );
objl_load_world( game, m );
game->state.map = m;
return m;
}
void game_unload_map( GAME_DATA* game ) {
map_free( game, game->state.map );
game->state.map = 0;
objl_clear( 1 );
}
void game_draw( GAME_DATA* game ) {
if( !objl->pl || !objl->world ) {
dlog( "game_draw() : no world" );
return;
}
VEC2 window = { 270.f, 25.f };
VEC2 winsize = { 480.f, 360.f };
gl_2d_rect( game->shaders.gl2d, window, winsize, (CLR){ 0.3f, 0.3f, 0.3f, 1.f } );
world_draw( game, objl->world, window, winsize );
}
static void game_realtime_resize_repaint( void* userdata ) {
GAME_DATA* game = (GAME_DATA*)userdata;
if( !game || !game->gl )
return;
GL_DATA* gl = game->gl;
GL_SHADER_PROGRAM* gl2d = game->shaders.gl2d;
if( !assets_on_frame( game ) )
return;
gl_sync_window_size( gl );
#if IS_EDITOR
if( game->editor && game->editor->wnd ) {
if( game->editor->wnd->w != gl->canvas_size[0]
|| game->editor->wnd->h != gl->canvas_size[1] ) {
editor_resize( game->editor, gl->canvas_size[0], gl->canvas_size[1] );
}
}
#endif
gl_beginframe( gl );
gl_2d_frect( gl2d, s_tl(), s_br(), { 0.f, 0.f, 0.f, 1.f } );
if( game->state.ingame )
game_draw( game );
gui_draw( game );
#if defined(DEBUG) && !IS_EDITOR
game_draw_fpsoverlay( game );
#endif
SDL_GL_SwapWindow( gl->window );
}
void game_main_loop( GAME_DATA* game ) {
GL_DATA* gl = game->gl;
GL_SHADER_PROGRAM* gl2d = game->shaders.gl2d;
if( !OK( gl_poll_events( gl ) ) )
exit( 0 );
if( !assets_on_frame( game ) )
return;
gl_sync_window_size( gl );
gl_beginframe( gl );
#if IS_EDITOR
if( game->editor && game->editor->wnd ) {
if( game->editor->wnd->w != gl->canvas_size[0]
|| game->editor->wnd->h != gl->canvas_size[1] ) {
editor_resize( game->editor, gl->canvas_size[0], gl->canvas_size[1] );
}
}
#endif
gl_2d_frect( gl2d, s_tl(), s_br(), { 0.f, 0.f, 0.f, 1.f } );
player_input( game, objl->pl );
if( game->state.ingame ) {
game_on_tick( game );
game_draw( game );
}
gui_onframe( game );
#if defined(DEBUG) && !IS_EDITOR
game_draw_fpsoverlay( game );
#endif
if( !OK( gl_endframe( gl ) ) )
exit( 0 );
}
void game_on_tick( GAME_DATA* game ) {
U64 tick = u_tick();
if( tick - game->state.last_tick > (U64)(TICK_INTERVAL * 10000) ) {
player_move( game, objl->pl );
game->state.last_tick = tick;
}
}
void game_destroy( GAME_DATA *game ) {
free( game );
}
|
