#if 0
gcc ${CFLAGS:--s -O2} -c -Wno-multichar game.c `sdl-config --cflags`
exit
#endif
/*
This program is part of Free Hero Mesh and is public domain.
*/
#include "SDL.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#include "smallxrm.h"
#include "heromesh.h"
#include "quarks.h"
#include "cursorshapes.h"
#include "names.h"
static volatile Uint8 timerflag;
static int exam_scroll;
static Uint8*inputs;
static int inputs_size,inputs_count;
static void redraw_game(void) {
char buf[32];
SDL_Rect r;
int x,y;
r.x=r.y=0;
r.h=screen->h;
r.w=left_margin;
SDL_FillRect(screen,&r,0xF0);
r.x=left_margin-1;
r.w=1;
SDL_FillRect(screen,&r,0xF7);
r.x=left_margin;
r.w=screen->w-r.x;
SDL_FillRect(screen,&r,back_color);
for(x=1;x<=pfwidth;x++) for(y=1;y<=pfheight;y++) draw_cell(x,y);
x=y=0;
SDL_GetMouseState(&x,&y);
SDL_LockSurface(screen);
if(left_margin>=88) {
snprintf(buf,32,"%5d/%5d",level_ord,level_nindex);
draw_text(0,0,buf,0xF0,0xFC);
snprintf(buf,32,"%5d",level_id);
draw_text(0,8,"ID",0xF0,0xF7);
draw_text(48,8,buf,0xF0,0xFF);
snprintf(buf,32,"%5d",level_version);
draw_text(0,16,"VER",0xF0,0xF7);
draw_text(48,16,buf,0xF0,0xFF);
snprintf(buf,32,"%5d",level_code);
draw_text(0,24,"CODE",0xF0,0xF7);
draw_text(48,24,buf,0xF0,0xFF);
} else {
snprintf(buf,32,"%5d",level_ord);
draw_text(16,0,buf,0xF0,0xFC);
snprintf(buf,32,"%5d",level_id);
draw_text(0,8,"I",0xF0,0xF7);
draw_text(16,8,buf,0xF0,0xFF);
snprintf(buf,32,"%5d",level_version);
draw_text(0,16,"V",0xF0,0xF7);
draw_text(16,16,buf,0xF0,0xFF);
snprintf(buf,32,"%5d",level_code);
draw_text(0,24,"C",0xF0,0xF7);
draw_text(16,24,buf,0xF0,0xFF);
}
snprintf(buf,8,"%2dx%2d",pfwidth,pfheight);
draw_text(8,32,buf,0xF0,0xFD);
draw_text(24,32,"x",0xF0,0xF5);
x=x>=left_margin?(x-left_margin)/picture_size+1:0;
y=y/picture_size+1;
if(x>0 && y>0 && x<=pfwidth && y<=pfheight) snprintf(buf,8,"(%2d,%2d)",x,y);
else strcpy(buf," ");
draw_text(0,40,buf,0xF0,0xF1);
SDL_UnlockSurface(screen);
if(quiz_text) draw_popup(quiz_text);
SDL_Flip(screen);
set_cursor(XC_arrow);
}
static void continue_animation(void) {
Uint32 n=firstobj;
Object*o;
Animation*a;
int i;
for(i=0;i<8;i++) if(anim_slot[i].length && ++anim_slot[i].vtime==anim_slot[i].speed && (anim_slot[i].vtime=0,++anim_slot[i].frame==anim_slot[i].length)) anim_slot[i].frame=0;
while(n!=VOIDLINK) {
o=objects[n];
if((a=o->anim) && (a->status&ANISTAT_VISUAL)) {
i=a->vstep;
if(a->step[i].flag&ANI_SYNC) {
i=anim_slot[a->step[i].slot].frame+a->step[i].start;
if(i!=a->vimage) {
a->vimage=i;
draw_cell(o->x,o->y);
}
} else if(++a->vtime>=a->step[i].speed) {
a->vtime=0;
if(a->vimage==a->step[i].end) {
if(a->step[i].flag&ANI_ONCE) {
if(a->vstep==a->lstep) {
a->status&=~ANISTAT_VISUAL;
} else {
if(++a->vstep==max_animation) a->vstep=0;
a->vimage=a->step[a->vstep].start;
}
} else if(a->step[i].flag&ANI_OSC) {
a->step[i].end=a->step[i].start;
a->step[i].start=a->vimage;
goto advance;
} else {
a->vimage=a->step[i].start;
}
} else {
advance:
if(a->step[i].end>=a->step[i].start) ++a->vimage; else --a->vimage;
}
draw_cell(o->x,o->y);
}
}
n=o->next;
}
SDL_Flip(screen);
}
static void show_mouse_xy(SDL_Event*ev) {
char buf[32];
int x,y;
x=(ev->motion.x-left_margin)/picture_size+1;
y=ev->motion.y/picture_size+1;
if(ev->motion.x<left_margin) x=0;
if(x>0 && y>0 && x<=pfwidth && y<=pfheight) snprintf(buf,8,"(%2d,%2d)",x,y);
else strcpy(buf," ");
SDL_LockSurface(screen);
draw_text(0,40,buf,0xF0,0xF1);
SDL_UnlockSurface(screen);
SDL_Flip(screen);
}
static void begin_level(int id) {
const char*t;
free(inputs);
inputs=0;
inputs_size=inputs_count=0;
t=load_level(id)?:init_level();
if(t) {
gameover=-1;
screen_message(t);
} else {
gameover=0;
}
timerflag=0;
}
static inline void exam_value(const char*t,int y,Value v) {
char buf[256];
int i;
y=(y-exam_scroll)*8;
if(y<0 || y>screen->h-8) return;
draw_text(0,y,t,0xF0,0xF7);
switch(v.t) {
case TY_NUMBER:
snprintf(buf,255,"%12lu 0x%08lX %ld",(long)v.u,(long)v.u,(long)v.s);
draw_text(200,y,buf,0xF0,0xFE);
break;
case TY_CLASS:
draw_text(200,y,"$",0xF0,0xFB);
draw_text(208,y,classes[v.u]->name,0xF0,0xFB);
break;
case TY_MESSAGE:
snprintf(buf,255,"%s%s",v.u<256?"":"#",v.u<256?standard_message_names[v.u]:messages[v.u-256]);
draw_text(200,y,buf,0xF0,0xFD);
break;
case TY_LEVELSTRING: case TY_STRING:
draw_text(200,y,"<String>",0xF0,0xF9);
break;
case TY_SOUND: case TY_USOUND:
draw_text(200,y,"<Sound>",0xF0,0xF6);
break;
default:
snprintf(buf,80,"<%lu:%lu>",(long)v.u,(long)v.t);
draw_text(200,y,buf,0xF0,0xFA);
i=strlen(buf)*8+208;
if(v.u<nobjects && objects[v.u] && objects[v.u]->generation==v.t) {
snprintf(buf,80,"@ (%d,%d)",objects[v.u]->x,objects[v.u]->y);
draw_text(i,y,buf,0xF0,0xF2);
} else {
draw_text(i,y,"(dead)",0xF0,0xF4);
}
break;
}
}
static inline void exam_flags(int y,Uint16 v) {
y=(y-exam_scroll)*8;
if(y<0 || y>screen->h-8) return;
draw_text(0,y,"Flags:",0xF0,0xF7);
draw_text(200,y,"--- --- --- --- --- --- --- --- --- --- ---",0xF0,0xF8);
if(v&OF_INVISIBLE) draw_text(200,y,"Inv",0xF0,0xFF);
if(v&OF_VISUALONLY) draw_text(232,y,"Vis",0xF0,0xFF);
if(v&OF_STEALTHY) draw_text(264,y,"Stl",0xF0,0xFF);
if(v&OF_BUSY) draw_text(296,y,"Bus",0xF0,0xFF);
if(v&OF_USERSTATE) draw_text(328,y,"Ust",0xF0,0xFF);
if(v&OF_USERSIGNAL) draw_text(360,y,"Usg",0xF0,0xFF);
if(v&OF_MOVED) draw_text(392,y,"Mov",0xF0,0xFF);
if(v&OF_DONE) draw_text(424,y,"Don",0xF0,0xFF);
if(v&OF_KEYCLEARED) draw_text(456,y,"Key",0xF0,0xFF);
if(v&OF_DESTROYED) draw_text(488,y,"Des",0xF0,0xFF);
if(v&OF_BIZARRO) draw_text(520,y,"Biz",0xF0,0xFF);
}
static inline void exam_hardsharp(const char*t,int y,Uint16*v) {
int i;
char buf[16];
y=(y-exam_scroll)*8;
if(y<0 || y>screen->h-8) return;
draw_text(0,y,t,0xF0,0xF7);
for(i=0;i<4;i++) {
snprintf(buf,8,"%5u",v[i]);
draw_text(200+i*56,y,buf,0xF0,v[i]?0xFF:0xF8);
}
}
static void draw_back_line(int y,int c) {
unsigned char*p=screen->pixels;
int i;
p+=screen->pitch*y;
for(i=0;i<screen->w;i++) if(p[i]==0xF0 || p[i]==0xF1) p[i]=i&1?c:0xF0;
}
static void examine(Uint32 n) {
sqlite3_stmt*st;
SDL_Event ev;
SDL_Rect r;
Object*o;
int i,y;
y=0;
i=sqlite3_prepare_v2(userdb,"SELECT '%'||`NAME`,`ID`&0xFFFF FROM `VARIABLES` WHERE `ID` BETWEEN ?1 AND (?1|0xFFFF) ORDER BY `ID`",-1,&st,0);
if(i) fatal("SQL error (%d): %s",i,sqlite3_errmsg(userdb));
object:
if(n==VOIDLINK) return;
o=objects[n];
if(!o) return;
sqlite3_bind_int(st,1,o->class<<16);
exam_scroll=0;
redraw:
set_cursor(XC_arrow);
r.x=r.y=0;
r.w=screen->w;
r.h=screen->h;
SDL_FillRect(screen,&r,0xF0);
SDL_LockSurface(screen);
exam_value("Self:",0,OVALUE(n));
exam_value("Class:",1,CVALUE(o->class));
exam_value("Image:",2,NVALUE(o->image));
if(classes[o->class]->cflags&CF_QUIZ) goto quiz;
exam_value("Dir:",3,NVALUE(o->dir));
exam_value("Misc1:",4,o->misc1);
exam_value("Misc2:",5,o->misc2);
exam_value("Misc3:",6,o->misc3);
exam_value("Misc4:",7,o->misc4);
exam_value("Misc5:",8,o->misc5);
exam_value("Misc6:",9,o->misc6);
exam_value("Misc7:",10,o->misc7);
exam_value("Temperature:",11,NVALUE(o->temperature));
exam_flags(12,o->oflags);
exam_value("Density:",13,NVALUE(o->density));
exam_value("Volume:",14,NVALUE(o->volume));
exam_value("Strength:",15,NVALUE(o->strength));
exam_value("Weight:",16,NVALUE(o->weight));
exam_value("Climb:",17,NVALUE(o->climb));
exam_value("Height:",18,NVALUE(o->height));
exam_value("Arrivals:",19,NVALUE(o->arrivals));
exam_value("Departures:",20,NVALUE(o->departures));
exam_value("Shape:",21,NVALUE(o->shape));
exam_value("Shovable:",22,NVALUE(o->shovable));
exam_value("Distance:",23,NVALUE(o->distance));
exam_value("Inertia:",24,NVALUE(o->inertia));
exam_hardsharp("Hardness:",25,o->hard);
exam_hardsharp("Sharpness:",26,o->sharp);
while(sqlite3_step(st)==SQLITE_ROW) {
i=sqlite3_column_int(st,1);
exam_value(sqlite3_column_text(st,0),i+28,o->uservars[i]);
}
quiz:
sqlite3_reset(st);
SDL_UnlockSurface(screen);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) switch(ev.type) {
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_ESCAPE: case SDLK_RETURN: case SDLK_KP_ENTER: sqlite3_finalize(st); return;
case SDLK_UP: if(exam_scroll) exam_scroll--; break;
case SDLK_DOWN: exam_scroll++; break;
case SDLK_HOME: exam_scroll=0; break;
case SDLK_PAGEUP: exam_scroll-=screen->h/8; if(exam_scroll<0) exam_scroll=0; break;
case SDLK_PAGEDOWN: exam_scroll+=screen->h/8; break;
}
goto redraw;
case SDL_MOUSEMOTION:
if(ev.motion.y!=y && ev.motion.y<screen->h) {
SDL_LockSurface(screen);
draw_back_line(y,0xF0);
draw_back_line(y=ev.motion.y,0xF1);
SDL_UnlockSurface(screen);
SDL_Flip(screen);
}
break;
case SDL_VIDEOEXPOSE:
goto redraw;
case SDL_QUIT:
exit(0);
break;
}
}
static void list_objects_at(int xy) {
static const char*const dirs[8]={"E ","NE","N ","NW","W ","SW","S ","SE"};
SDL_Event ev;
SDL_Rect r;
char buf[256];
int scroll=0;
int count=0;
Uint32 n,t;
Object*o;
int i,j;
if(xy<0 || xy>=64*64) return;
n=playfield[xy];
if(n==VOIDLINK) return;
while(n!=VOIDLINK) t=n,count++,n=objects[n]->up;
redraw:
r.x=r.y=0;
r.w=screen->w;
r.h=screen->h;
SDL_FillRect(screen,&r,0xF1);
r.y=8;
r.h-=8;
scrollbar(&scroll,r.h/8,count,0,&r);
snprintf(buf,255," %d objects at (%d,%d): ",count,(xy&63)+1,(xy/64)+1);
SDL_LockSurface(screen);
draw_text(0,0,buf,0xF7,0xF0);
n=t;
for(i=0;i<scroll && n!=VOIDLINK;i++) n=objects[n]->down;
for(i=0;i<screen->h/8 && n!=VOIDLINK;i++) {
o=objects[n];
snprintf(buf,255," %8d: %-14.14s %3d %s",n,classes[o->class]->name,o->image,classes[o->class]->cflags&CF_QUIZ?"":dirs[o->dir&7]);
draw_text(24,r.y,buf,0xF1,o->generation?(classes[o->class]->cflags&CF_PLAYER?0xFE:0xFF):0xF8);
n=o->down;
r.y+=8;
}
SDL_UnlockSurface(screen);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) {
if(ev.type!=SDL_VIDEOEXPOSE) {
r.h=screen->h-8;
r.x=0;
r.y=8;
if(scrollbar(&scroll,r.h/8,count,&ev,&r)) goto redraw;
}
switch(ev.type) {
case SDL_MOUSEBUTTONDOWN:
if(ev.button.button!=1 || ev.button.y<8) break;
j=ev.button.y/8-scroll-1;
if(j>=count) break;
n=t;
for(i=0;i<j;i++) n=objects[n]->down;
examine(n);
set_cursor(XC_draft_small);
goto redraw;
case SDL_MOUSEMOTION:
set_cursor(XC_draft_small);
break;
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_ESCAPE: case SDLK_RETURN: case SDLK_KP_ENTER: return;
}
goto redraw;
case SDL_VIDEOEXPOSE:
goto redraw;
case SDL_QUIT:
exit(0);
break;
}
}
}
static void describe_at(int xy) {
unsigned char*s;
Uint32 n;
if(xy<0 || xy>=64*64) return;
n=playfield[xy];
if(n==VOIDLINK) return;
while(n!=VOIDLINK && objects[n]->up!=VOIDLINK) n=objects[n]->up;
if(!classes[objects[n]->class]->gamehelp) return;
s=sqlite3_mprintf("\x0C\x0E%s:%d\\ %s\x0B\x0F%s",classes[objects[n]->class]->name,objects[n]->image,classes[objects[n]->class]->name,classes[objects[n]->class]->gamehelp);
if(!s) fatal("Allocation failed\n");
modal_draw_popup(s);
sqlite3_free(s);
}
static int game_command(int prev,int cmd,int number,int argc,sqlite3_stmt*args,void*aux) {
switch(cmd) {
case '\' ': // Play a move
if(inputs_count>=inputs_size) {
inputs=realloc(inputs,inputs_size+=32);
if(!inputs) fatal("Allocation failed\n");
}
inputs[inputs_count++]=number;
return 0;
case '^E': // Edit
return -2;
case '^Q': // Quit
return -1;
case '^T': // Show title
modal_draw_popup(level_title);
return prev;
case '^d': // Describe object
describe_at(number-65);
return prev;
case '^o': // List objects
list_objects_at(number-65);
return prev;
case 'go': // Select level
begin_level(number);
return 1;
default:
return prev;
}
}
static void set_caption(void) {
const char*r;
char*s;
sqlite3_str*m;
int c;
optionquery[1]=Q_gameTitle;
r=xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"Free Hero Mesh - ~ - Game";
m=sqlite3_str_new(0);
c=strcspn(r,"~");
sqlite3_str_append(m,r,c);
if(r[c]=='~') {
sqlite3_str_appendall(m,basefilename);
sqlite3_str_appendall(m,r+c+1);
}
s=sqlite3_str_finish(m);
if(s) SDL_WM_SetCaption(s,s); else SDL_WM_SetCaption("Free Hero Mesh","Free Hero Mesh");
sqlite3_free(s);
}
static Uint32 timer_callback(Uint32 n) {
if(!timerflag) {
static SDL_Event ev={SDL_USEREVENT};
SDL_PushEvent(&ev);
}
timerflag=1;
return n;
}
static inline void input_move(Uint8 k) {
const char*t=execute_turn(k);
if(t) {
screen_message(t);
gameover=-1;
return;
}
//TODO: Record this move, if applicable
}
void run_game(void) {
int i;
SDL_Event ev;
set_caption();
begin_level(level_id);
redraw_game();
timerflag=0;
SDL_SetTimer(10,timer_callback);
while(SDL_WaitEvent(&ev)) {
switch(ev.type) {
case SDL_VIDEOEXPOSE:
redraw_game();
break;
case SDL_QUIT:
exit(0);
break;
case SDL_MOUSEMOTION:
show_mouse_xy(&ev);
break;
case SDL_USEREVENT:
if(!gameover && !quiz_text) continue_animation();
timerflag=0;
break;
case SDL_MOUSEBUTTONDOWN:
if(ev.button.x<left_margin) {
break;
} else {
i=exec_key_binding(&ev,0,(ev.button.x-left_margin)/picture_size+1,ev.button.y/picture_size+1,game_command,0);
goto command;
}
case SDL_KEYDOWN:
i=exec_key_binding(&ev,0,0,0,game_command,0);
command:
if(i==-1) exit(0);
if(i==-2) {
main_options['e']=1;
SDL_SetTimer(0,0);
return;
}
if(inputs_count) {
//TODO: Check for solution replay
for(i=0;i<inputs_count && !gameover;i++) if(inputs[i]) input_move(inputs[i]);
inputs_count=0;
}
redraw_game();
timerflag=0; // ensure we have not missed a timer event
break;
}
}
}
void locate_me(int x,int y) {
Uint8 c=7;
SDL_Rect r,rh,rv;
SDL_Event ev;
if(!screen) return;
redraw_game();
r.x=(x-1)*picture_size+left_margin;
r.y=(y-1)*picture_size;
r.w=r.h=picture_size;
rh.x=0;
rh.y=r.y+picture_size/2;
rh.w=screen->w;
rh.h=1;
rv.x=r.x+picture_size/2;
rv.y=0;
rv.w=1;
rv.h=screen->h;
show:
timerflag=0;
SDL_FillRect(screen,&rh,c+45);
SDL_FillRect(screen,&rv,c+67);
SDL_FillRect(screen,&r,c);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) switch(ev.type) {
case SDL_USEREVENT:
if(c>240) return;
c+=15;
goto show;
case SDL_KEYDOWN: case SDL_QUIT: case SDL_MOUSEBUTTONDOWN:
SDL_PushEvent(&ev);
return;
}
}