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Config parser

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config files to be placed at: ~/.taisei/config

see config.example.
This commit is contained in:
laochailan 2011-05-21 18:20:04 +02:00
parent c811fa76e7
commit 332a01d53d
9 changed files with 252 additions and 47 deletions
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4
.gitignore vendored
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@ -1,2 +1,6 @@
build/
src/parser.c
src/parser.h
src/lexer.h
src/lexer.c
.ctagsdb

15
config.example Normal file
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@ -0,0 +1,15 @@
# -- Taisei example config
# move to ~/.taisei/config
# setting default values.
# this config would be useless, as there is a built-in default settings fallback
key_up = up
key_down = down
key_left = left
key_right = right
key_focus = shift
key_shot = z
# key_shot = y # if you are qwertz-fag
key_bomb = x

28
src/CMakeLists.txt
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@ -1,3 +1,18 @@
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR})
find_package(SDL REQUIRED)
find_package(OpenGL REQUIRED)
find_package(OpenAL REQUIRED)
find_package(ALUT REQUIRED)
find_package(PNG REQUIRED)
find_package(SDL_ttf REQUIRED)
find_package(BISON)
find_package(FLEX)
BISON_TARGET(cfgparser config.y ${CMAKE_CURRENT_SOURCE_DIR}/parser.c)
FLEX_TARGET(cfgscanner config.l ${CMAKE_CURRENT_SOURCE_DIR}/lexer.c)
ADD_FLEX_BISON_DEPENDENCY(cfgscanner cfgparser)
set(SRCs
main.c
stage.c
@ -16,16 +31,9 @@ set(SRCs
laser.c
shader.c
dialog.c
stages/stage0.c)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR})
find_package(SDL REQUIRED)
find_package(OpenGL REQUIRED)
find_package(OpenAL REQUIRED)
find_package(ALUT REQUIRED)
find_package(PNG REQUIRED)
find_package(SDL_ttf REQUIRED)
stages/stage0.c
${BISON_cfgparser_OUTPUTS}
${FLEX_cfgscanner_OUTPUTS})
add_definitions(-DPREFIX="${CMAKE_INSTALL_PREFIX}" -DGL_GLEXT_PROTOTYPES)

33
src/config.h Normal file
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@ -0,0 +1,33 @@
/*
* This software is licensed under the terms of the MIT-License
* See COPYING for further information.
* ---
* Copyright (C) 2011, Lukas Weber <laochailan@web.de>
*/
#ifndef CONFIG_H
#define CONFIG_H
#include <SDL/SDL_keysym.h>
#include "parser.h"
typedef struct Config {
int intval[64];
} Config;
extern Config tconfig;
enum {
KEY_UP = 0,
KEY_DOWN,
KEY_LEFT,
KEY_RIGHT,
KEY_FOCUS,
KEY_SHOT,
KEY_BOMB
};
void parse_config();
void config_preset();
#endif

48
src/config.l Normal file
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@ -0,0 +1,48 @@
/*
* This software is licensed under the terms of the MIT-License
* See COPYING for further information.
* ---
* Copyright (C) 2011, Lukas Weber <laochailan@web.de>
*/
%{
#include "parser.h"
#include "config.h"
#include <SDL/SDL_keysym.h>
%}
%%
= return EQ;
#.+ ;
"key_up" { yylval = KEY_UP; return tKEY_UP; }
"key_down" { yylval = KEY_DOWN; return tKEY_DOWN; }
"key_left" { yylval = KEY_LEFT; return tKEY_LEFT; }
"key_right" { yylval = KEY_RIGHT; return tKEY_RIGHT; }
"key_focus" { yylval = KEY_FOCUS; return tKEY_FOCUS; }
"key_shot" { yylval = KEY_SHOT; return tKEY_SHOT; }
"key_bomb" { yylval = KEY_BOMB; return tKEY_BOMB; }
"shift" { yylval = SDLK_LSHIFT; return SKEY; }
"ctrl" { yylval = SDLK_LCTRL; return SKEY; }
"return" { yylval = SDLK_RETURN; return SKEY; }
"alt" { yylval = SDLK_LALT; return SKEY; }
"up" { yylval = SDLK_UP; return SKEY; }
"down" { yylval = SDLK_DOWN; return SKEY; }
"right" { yylval = SDLK_RIGHT; return SKEY; }
"left" { yylval = SDLK_LEFT; return SKEY; }
[0-9]+ { yylval = atoi(yytext); return NUMBER; }
[a-zA-Z] { yylval = yytext[0]; return CHAR; }
\n return LB;
[ \t] ;
%%

107
src/config.y Normal file
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@ -0,0 +1,107 @@
/*
* This software is licensed under the terms of the MIT-License
* See COPYING for further information.
* ---
* Copyright (C) 2011, Lukas Weber <laochailan@web.de>
*/
%{
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
Config tconfig;
int lineno;
int yywrap() {
return 1;
}
int yyerror(char *s) {
errx(-1, "!- %d: %s", lineno, s);
}
extern FILE *yyin;
%}
%token tKEY_UP
%token tKEY_DOWN
%token tKEY_LEFT
%token tKEY_RIGHT
%token tKEY_FOCUS
%token tKEY_SHOT
%token tKEY_BOMB
%token SKEY
%token NUMBER
%token CHAR
%token SEMI
%token EQ
%token LB
%%
file : line file
| ;
line : line nl
| key_key EQ key_val {
tconfig.intval[$1] = $3;
}
| nl;
key_val : SKEY
| CHAR;
key_key : tKEY_UP
| tKEY_DOWN
| tKEY_LEFT
| tKEY_RIGHT
| tKEY_FOCUS
| tKEY_SHOT
| tKEY_BOMB;
nl : LB { lineno++; };
%%
void parse_config(char *filename) {
config_preset();
lineno = 1;
char *buf = malloc(strlen(filename)+strlen(getenv("HOME")+2));
strcpy(buf, getenv("HOME"));
strcat(buf, "/");
strcat(buf, filename);
yyin = fopen(buf, "r");
printf("parse_config():\n");
if(yyin) {
yyparse();
fclose(yyin);
printf("-- parsing complete\n");
} else {
printf("-- parsing incomplete; falling back to built-in preset\n");
warn("problems with parsing %s", buf);
}
free(buf);
}
void config_preset() {
tconfig.intval[KEY_UP] = SDLK_UP;
tconfig.intval[KEY_DOWN] = SDLK_DOWN;
tconfig.intval[KEY_LEFT] = SDLK_LEFT;
tconfig.intval[KEY_RIGHT] = SDLK_RIGHT;
tconfig.intval[KEY_FOCUS] = SDLK_LSHIFT;
tconfig.intval[KEY_SHOT] = SDLK_z;
tconfig.intval[KEY_BOMB] = SDLK_x;
}

2
src/global.c
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@ -23,6 +23,8 @@ void init_global() {
load_resources();
init_fonts();
init_rtt();
parse_config(CONFIG_FILE);
}
void init_rtt() {

5
src/global.h
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@ -19,7 +19,10 @@
#include "shader.h"
#include "dialog.h"
#include "list.h"
#include "config.h"
#define FILE_PREFIX PREFIX "/share/taisei/"
#define CONFIG_FILE ".taisei/config"
enum {
SCREEN_W = 800,
SCREEN_H = 600,
@ -42,8 +45,6 @@ enum {
FPS = 60
};
#define FILE_PREFIX PREFIX "/share/taisei/"
typedef struct {
Player plr;
Projectile *projs;

57
src/stage.c
View file

@ -19,40 +19,27 @@ void stage_start() {
void stage_input() {
SDL_Event event;
memset(&event, 0, sizeof(event));
while(SDL_PollEvent(&event)) {
int sym = event.key.keysym.sym;
if(event.type == SDL_KEYDOWN) {
switch(event.key.keysym.sym) {
case SDLK_LSHIFT:
global.plr.focus = 1;
break;
case SDLK_y:
if(!global.dialog)
global.plr.fire = True;
else
page_dialog(&global.dialog);
break;
case SDLK_x:
if(!global.dialog)
plr_bomb(&global.plr);
break;
case SDLK_ESCAPE:
if(sym == tconfig.intval[KEY_FOCUS])
global.plr.focus = 1;
else if(sym == tconfig.intval[KEY_SHOT]) {
if(!global.dialog)
global.plr.fire = True;
else
page_dialog(&global.dialog);
} else if(sym == tconfig.intval[KEY_BOMB]) {
if(!global.dialog)
plr_bomb(&global.plr);
} else if(sym == SDLK_ESCAPE) {
exit(1);
break;
default:
break;
}
} else if(event.type == SDL_KEYUP) {
switch(event.key.keysym.sym) {
case SDLK_LSHIFT:
global.plr.focus = -30; // that's for the transparency timer
break;
case SDLK_y:
global.plr.fire = False;
break;
default:
break;
}
if(sym == tconfig.intval[KEY_FOCUS])
global.plr.focus = -30; // that's for the transparency timer
else if(sym == tconfig.intval[KEY_SHOT])
global.plr.fire = False;
} else if(event.type == SDL_QUIT) {
global.game_over = 1;
}
@ -64,21 +51,21 @@ void stage_input() {
global.plr.moving = False;
if(keys[SDLK_LEFT] && !keys[SDLK_RIGHT]) {
if(keys[tconfig.intval[KEY_LEFT]] && !keys[tconfig.intval[KEY_RIGHT]]) {
global.plr.moving = True;
global.plr.dir = 1;
} else if(keys[SDLK_RIGHT] && !keys[SDLK_LEFT]) {
} else if(keys[tconfig.intval[KEY_RIGHT]] && !keys[tconfig.intval[KEY_LEFT]]) {
global.plr.moving = True;
global.plr.dir = 0;
}
if(keys[SDLK_LEFT] && creal(global.plr.pos) - global.plr.ani->w/2 - speed > 0)
if(keys[tconfig.intval[KEY_LEFT]] && creal(global.plr.pos) - global.plr.ani->w/2 - speed > 0)
global.plr.pos -= speed;
if(keys[SDLK_RIGHT] && creal(global.plr.pos) + global.plr.ani->w/2 + speed < VIEWPORT_W)
if(keys[tconfig.intval[KEY_RIGHT]] && creal(global.plr.pos) + global.plr.ani->w/2 + speed < VIEWPORT_W)
global.plr.pos += speed;
if(keys[SDLK_UP] && cimag(global.plr.pos) - global.plr.ani->h/2 - speed > 0)
if(keys[tconfig.intval[KEY_UP]] && cimag(global.plr.pos) - global.plr.ani->h/2 - speed > 0)
global.plr.pos -= I*speed;
if(keys[SDLK_DOWN] && cimag(global.plr.pos) + global.plr.ani->h/2 + speed < VIEWPORT_H)
if(keys[tconfig.intval[KEY_DOWN]] && cimag(global.plr.pos) + global.plr.ani->h/2 + speed < VIEWPORT_H)
global.plr.pos += I*speed;
}