quakeforge/libs/client/cl_screen.c

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/*
cl_screen.c
master for refresh, status bar, console, chat, notify, etc
Copyright (C) 1996-1997 Id Software, Inc.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <time.h>
#include "QF/console.h"
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#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/image.h"
#include "QF/pcx.h"
#include "QF/screen.h"
#include "QF/plugin/console.h"
#include "QF/plugin/general.h"
#include "QF/plugin/vid_render.h"
#include "QF/scene/scene.h"
#include "QF/scene/transform.h"
#include "QF/ui/canvas.h"
#include "r_local.h" //FIXME for r_cache_thrash
#include "client/hud.h"
#include "client/sbar.h"
#include "client/screen.h"
#include "client/view.h"
#include "client/world.h"
//#include "nq/include/client.h"
int scr_showpause;
static cvar_t scr_showpause_cvar = {
.name = "showpause",
.description =
"Toggles display of pause graphic",
.default_value = "1",
.flags = CVAR_NONE,
.value = { .type = &cexpr_int, .value = &scr_showpause },
};
int scr_showram;
static cvar_t scr_showram_cvar = {
.name = "showram",
.description =
"Show RAM icon if game is running low on memory",
.default_value = "1",
.flags = CVAR_NONE,
.value = { .type = &cexpr_int, .value = &scr_showram },
};
int scr_showturtle;
static cvar_t scr_showturtle_cvar = {
.name = "showturtle",
.description =
"Show a turtle icon if your fps is below 10",
.default_value = "0",
.flags = CVAR_NONE,
.value = { .type = &cexpr_int, .value = &scr_showturtle },
};
view_t cl_screen_view;
uint32_t cl_canvas;
static view_t net_view;
static view_t timegraph_view;
static view_t zgraph_view;
static view_t loading_view;
static view_t ram_view;
static view_t turtle_view;
static view_t pause_view;
static view_t crosshair_view;
static view_t cshift_view;
static view_t centerprint_view;
static viewstate_t *_vs;//FIXME ick
canvas_system_t cl_canvas_sys;
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static ecs_system_t cl_view_system;
static view_t
clscr_view (int x, int y, int w, int h, grav_t gravity)
{
auto view = View_New (cl_view_system, cl_screen_view);
View_SetPos (view, x, y);
View_SetLen (view, w, h);
View_SetGravity (view, gravity);
View_SetVisible (view, 0);
return view;
}
static void
clscr_set_pic (view_t view, qpic_t *pic)
{
Ent_SetComponent (view.id, canvas_pic, view.reg, &pic);
}
static void
clscr_set_cachepic (view_t view, const char *name)
{
Ent_SetComponent (view.id, canvas_cachepic, view.reg, &name);
}
static void
clscr_set_canvas_func (view_t view, canvas_func_f func)
{
Ent_SetComponent (view.id, canvas_func, view.reg, &func);
}
static void
cl_draw_crosshair (view_pos_t abs, view_pos_t len)
{
r_funcs->Draw_Crosshair ();
}
static void
cl_draw_centerprint (view_pos_t abs, view_pos_t len)
{
Sbar_DrawCenterPrint ();
}
static void
SCR_CShift (view_pos_t abs, view_pos_t len)
{
mleaf_t *leaf;
int contents = CONTENTS_EMPTY;
if (_vs->active && cl_world.scene->worldmodel) {
vec4f_t origin;
origin = Transform_GetWorldPosition (_vs->camera_transform);
leaf = Mod_PointInLeaf (origin, &cl_world.scene->worldmodel->brush);
contents = leaf->contents;
}
V_SetContentsColor (_vs, contents);
r_funcs->Draw_BlendScreen (_vs->cshift_color);
}
static void
scr_draw_views (void)
{
if (scr_showturtle) {
static int count;
if (r_data->frametime < 0.1) {
count = 0;
} else {
count++;
}
View_SetVisible (turtle_view, count > 2);
}
// turn off for screenshots
View_SetVisible (pause_view, scr_showpause && r_data->paused);
View_SetVisible (ram_view, scr_showram && r_cache_thrash);
double msg_time = _vs->realtime - _vs->last_servermessage;
View_SetVisible (net_view, (!_vs->demoplayback && msg_time >= 0.3));
View_SetVisible (loading_view, _vs->loading);
View_SetVisible (crosshair_view, !_vs->intermission);
// FIXME cvar callbacks
View_SetVisible (timegraph_view, r_timegraph);
View_SetVisible (zgraph_view, r_zgraph);
Con_DrawConsole ();
Canvas_Draw (cl_canvas_sys);
}
static SCR_Func scr_funcs[] = {
scr_draw_views,
0
};
static int cl_scale;
static int cl_xlen;
static int cl_ylen;
static void
cl_set_size (void)
{
int xlen = cl_xlen / cl_scale;
int ylen = cl_ylen / cl_scale;
//printf ("cl_set_size: %d %d %d\n", cl_scale, xlen, ylen);
Canvas_SetLen (cl_canvas_sys, cl_canvas, (view_pos_t) { xlen, ylen });
Canvas_SetLen (cl_canvas_sys, hud_canvas, (view_pos_t) { xlen, ylen });
}
static void
cl_scale_listener (void *data, const cvar_t *cvar)
{
cl_scale = *(int *) cvar->value.value;
cl_set_size ();
}
static void
cl_vidsize_listener (void *data, const viddef_t *vdef)
{
cl_xlen = vdef->width;
cl_ylen = vdef->height;
cl_set_size ();
}
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static void
cl_create_views (void)
{
qpic_t *pic;
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const char *name;
auto vid = r_data->vid;
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pic = r_funcs->Draw_PicFromWad ("ram");
ram_view = clscr_view (32, 0, pic->width, pic->height, grav_northwest);
clscr_set_pic (ram_view, pic);
pic = r_funcs->Draw_PicFromWad ("turtle");
turtle_view = clscr_view (32, 0, pic->width, pic->height, grav_northwest);
clscr_set_pic (turtle_view, pic);
pic = r_funcs->Draw_PicFromWad ("net");
net_view = clscr_view (64, 0, pic->width, pic->height, grav_northwest);
clscr_set_pic (net_view, pic);
timegraph_view = clscr_view (0, 0, vid->width, 100, grav_southwest);
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clscr_set_canvas_func (timegraph_view, R_TimeGraph);
View_SetVisible (timegraph_view, r_timegraph);
zgraph_view = clscr_view (0, 0, vid->width, 100, grav_southwest);
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clscr_set_canvas_func (zgraph_view, R_ZGraph);
View_SetVisible (zgraph_view, r_zgraph);
name = "gfx/loading.lmp";
pic = r_funcs->Draw_CachePic (name, 1);
loading_view = clscr_view (0, -24, pic->width, pic->height, grav_center);
clscr_set_cachepic (loading_view, name);
name = "gfx/pause.lmp";
pic = r_funcs->Draw_CachePic (name, 1);
pause_view = clscr_view (0, -24, pic->width, pic->height, grav_center);
clscr_set_cachepic (pause_view, name);
crosshair_view = clscr_view (0, 0, vid->width, vid->height, grav_northwest);
clscr_set_canvas_func (crosshair_view, cl_draw_crosshair);
cshift_view = clscr_view (0, 0, vid->width, vid->height, grav_northwest);
clscr_set_canvas_func (cshift_view, SCR_CShift);
View_SetVisible (cshift_view, 1);
centerprint_view = clscr_view (0, 0, vid->width, vid->height,
grav_northwest);
clscr_set_canvas_func (centerprint_view, cl_draw_centerprint);
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}
void
CL_Init_Screen (void)
{
__auto_type reg = ECS_NewRegistry ();
Canvas_InitSys (&cl_canvas_sys, reg);
if (con_module) {
__auto_type cd = con_module->data->console;
cd->component_base = ECS_RegisterComponents (reg, cd->components,
cd->num_components);
cd->canvas_sys = &cl_canvas_sys;
}
HUD_Init (reg);
ECS_CreateComponentPools (reg);
cl_xlen = viddef.width;
cl_ylen = viddef.height;
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cl_view_system = (ecs_system_t) {
.reg = reg,
.base = cl_canvas_sys.view_base,
};
HUD_CreateCanvas (cl_canvas_sys);
cl_canvas = Canvas_New (cl_canvas_sys);
cl_screen_view = Canvas_GetRootView (cl_canvas_sys, cl_canvas);
View_SetPos (cl_screen_view, 0, 0);
View_SetLen (cl_screen_view, cl_xlen, cl_ylen);
View_SetGravity (cl_screen_view, grav_northwest);
View_SetVisible (cl_screen_view, 1);
Cvar_Register (&scr_showpause_cvar, 0, 0);
Cvar_Register (&scr_showram_cvar, 0, 0);
Cvar_Register (&scr_showturtle_cvar, 0, 0);
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cl_create_views ();
cvar_t *con_scale = Cvar_FindVar ("con_scale");
Cvar_AddListener (con_scale, cl_scale_listener, 0);
cl_scale_listener (0, con_scale);
VID_OnVidResize_AddListener (cl_vidsize_listener, 0);
}
void
CL_UpdateScreen (viewstate_t *vs)
{
_vs = vs;
//FIXME not every time
if (vs->active) {
if (vs->watervis)
r_data->min_wateralpha = 0.0;
else
r_data->min_wateralpha = 1.0;
}
V_PrepBlend (vs);
V_RenderView (vs);
SCR_UpdateScreen (vs->camera_transform, vs->time, scr_funcs);
}