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gl_hud.c
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gl_hud.c
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/*
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
QC hud stuff
Written by DrLabman
*/
#include "quakedef.h"
//copied from gl_draw.c
typedef struct glpic_s
{
int texnum;
float sl, tl, sh, th;
} glpic_t;
typedef struct qmb_hud_s {
float x, y;
float width, height;
vec3_t colour;
float alpha;
char *text;
byte used;
struct glpic_s *pic;
struct qmb_hud_s *next;
} qmb_hud_t;
#define MAX_QMB_HUD 256
qmb_hud_t *huds;
void R_ClearHuds (void){
int i;
for (i=0; i<MAX_QMB_HUD; i++){
huds[i].next = &huds[i+1];
if (huds[i].text){
free(huds[i].text);
}
huds[i].text = NULL;
if (huds[i].pic){
free(huds[i].pic);
}
huds[i].pic = NULL;
}
}
void R_InitHuds (void){
huds = (qmb_hud_t *)Hunk_AllocName (MAX_QMB_HUD * sizeof(qmb_hud_t), "qmb_hud");
R_ClearHuds();
}
extern void Draw_AlphaColourPic (int x, int y, qpic_t *pic, vec3_t colour, float alpha);
void R_DrawQmbHud (void){
int i;
for (i=0; i<MAX_QMB_HUD; i++){
if (huds[i].used = 1){
//draw the texture, if there is one
if (huds[i].pic){
Draw_AlphaColourPic(huds[i].x,huds[i].y,NULL,huds[i].colour, huds[i].alpha);
}
//draw the text if there is some
if (huds[i].text){
Draw_String(huds[i].x, huds[i].y, huds[i].text);
}
}
}
}
void R_AddTextHudItem(byte id, float x, float y, char *string){
//VectorCopy(colour, h->colour);
huds[id].colour[0] = 1.0;
huds[id].colour[1] = 1.0;
huds[id].colour[2] = 1.0;
huds[id].alpha = 1;
huds[id].text = string;
huds[id].used = 1;
}
void R_AddPicHudItem(byte id, float x, float y, float w, float h, vec3_t colour, float alpha, int gl_texnum){
glpic_t *p;
huds[id].x = x;
huds[id].y = y;
huds[id].width = w;
huds[id].height = h;
VectorCopy(colour,huds[id].colour);
huds[id].alpha = alpha;
//allocate memory for pic data
p = (void *)malloc(sizeof(glpic_t));
p->texnum = gl_texnum;
p->sl = 0;
p->tl = 0;
p->sh = 1;
p->th = 1;
//not sure why i need to make it a void pointer, as they are the same type of pointer...
huds[id].pic = (void *)p;
huds[id].used = 1;
}
void R_RemoveHudItem(byte id){
huds[id].used = 0;
if (huds[id].text){
free(huds[id].text);
}
huds[id].text = NULL;
if (huds[id].pic){
free(huds[id].pic);
}
huds[id].pic = NULL;
}
void CL_DecodeHudRemove(void){
byte id;
id = MSG_ReadByte();
R_RemoveHudItem(id);
}
void CL_DecodeHudPrint(void){
byte id, len, pos;
char *text;
float x;
float y;
id = MSG_ReadByte();
x = MSG_ReadFloat();
y = MSG_ReadFloat();
pos = MSG_ReadByte();
len = MSG_ReadByte();
text = (void *)malloc(len);
strcpy(text,MSG_ReadString());
//code to position text
//0000 - 0 - left top
//0001 - 1 - left bottom
//0010 - 2 - right top
//0011 - 3 - right bottom
//0100 - 4 - left centre
//0110 - 5 - right centre
//---
//1000 - 8 - centre top
//1010 - 9 - centre bottom
if (4 && pos == 4){
y = vid.height / 2 + y;
}else if (1 && pos == 1){
y = vid.height - y;
}else {
y = y;
}
if (8 && pos == 8){
x = vid.width / 2 + x;
}else if (2 && pos == 2){
x = vid.width - x;
}else {
x = x;
}
R_AddTextHudItem(id, x,y,text);
}
void CL_DecodeHudPic(void){
byte id, len, pos;
char *text;
float x;
float y;
len = MSG_ReadByte();
pos = MSG_ReadByte();
x = MSG_ReadFloat();
y = MSG_ReadFloat();
id = MSG_ReadByte();
text = (void *)malloc(len);
strcpy(text,MSG_ReadString());
//code to position text
//0000 - 0 - left top
//0001 - 1 - left bottom
//0010 - 2 - right top
//0011 - 3 - right bottom
if (pos = 0){
x = x;
y = y;
}else if (pos =1){
x = x;
y = vid.height - y;
}else if (pos =2){
x = vid.width - x;
y = y;
}else if (pos =3){
x = x;
y = vid.height - y;
}
R_AddTextHudItem(id, x,y,text);
}