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tb1/level_2.c
Vince Weaver 74c314d01c Version 2.9.7
2012-11-30 22:57:21 -05:00

587 lines
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/*
* Level 2 Engine Code for Tom Bombem
* */
/* The Includes */
#include <stdio.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdlib.h>
#include "svmwgraph/svmwgraph.h"
#include "tb1_state.h"
#include "levels.h"
#include "tblib.h"
#include "sound.h"
#include "sidebar.h"
#include "help.h"
#include "loadsave.h"
#include "graphic_tools.h"
/* Define this to get a frames per second readout */
/* #define DEBUG_ON */
/* The sounds */
#define NUM_SAMPLES 8
#define SND_AHH 0
#define SND_CC 1
#define SND_KAPOW 2
#define SND_SCREAM 3
#define SND_BONK 4
#define SND_CLICK 5
#define SND_OW 6
#define SND_ZRRP 7
struct enemyinfo {
int x,y;
int kind;
int out,exploding,boundarycheck,dead;
int explodeprogress;
int minx,maxx,xspeed,yspeed;
int hitsneeded;
};
struct bulletinfo {
int out,x,y;
};
struct obstruction {
int x,y;
int shooting,dead,exploding;
int explodeprogress;
int howmanyhits;
int kind,lastshot;
};
void leveltwoengine(tb1_state *game_state)
{
int ch,i;
char tempst[BUFSIZ];
int k,game_paused=0,speed_factor=1;
int shipx=36;
int whatdelay=1;
FILE *f=NULL;
int levelover=0,j,backrow=0;
int background[201][13];
struct enemyinfo enemy[10];
struct bulletinfo bullet[4];
struct timeval timing_info;
struct timezone dontcare;
long oldsec,oldusec,time_spent;
int howmuchscroll=0;
struct obstruction passive[50];
int shipadd=0,shipframe=1;
int our_row,our_shape,rows_goneby=0;
int grapherror;
vmwFont *tb1_font;
vmwVisual *virtual_1;
vmwVisual *virtual_2;
vmwSprite *ship_shape[3];
vmwSprite *shape_table[40];
int enemies_drawn[200];
/* For convenience */
tb1_font=game_state->graph_state->default_font;
virtual_1=game_state->virtual_1;
virtual_2=game_state->virtual_2;
/* Set this up for Save Game */
game_state->begin_score=game_state->score;
game_state->begin_shields=game_state->shields;
/* Load Sprites */
grapherror=vmwLoadPicPacked(0,0,virtual_1,1,1,
tb1_data_file("level1/ships.tb1",
game_state->path_to_data),
game_state->graph_state);
ship_shape[0]=vmwGetSprite(0,0,48,30,virtual_1);
ship_shape[1]=vmwGetSprite(0,32,48,30,virtual_1);
ship_shape[2]=vmwGetSprite(0,64,48,30,virtual_1);
if (game_state->level==2) vmwLoadPicPacked(0,0,virtual_1,1,1,
tb1_data_file("level2/tbaship.tb1",game_state->path_to_data),
game_state->graph_state);
if (game_state->level==4) vmwLoadPicPacked(0,0,virtual_1,1,1,
tb1_data_file("level4/tbeerm.tb1",game_state->path_to_data),
game_state->graph_state);
for(j=0;j<4;j++)
for(i=0;i<10;i++)
shape_table[j*10+i]=vmwGetSprite(1+i*21,1+j*11,20,10,virtual_1);
/* Load Background Data */
if (game_state->level==2)
f=fopen(tb1_data_file("level2/level2.dat",game_state->path_to_data),"r");
if (game_state->level==4)
f=fopen(tb1_data_file("level4/level4.dat",game_state->path_to_data),"r");
if (f==NULL)
printf("ERROR! Could't open level %d data!\n",game_state->level);
for(j=0;j<200;j++)
for(i=0;i<12;i++) fscanf(f,"%d",&background[j][i]);
fclose(f);
/* Initialize Structures for enemy, bullets, and background */
for(i=0;i<50;i++) {
passive[i].dead=1;
passive[i].exploding=0;
}
for(i=0;i<10;i++) enemy[i].out=0;
for(i=0;i<3;i++) {
bullet[i].out=0;
bullet[i].x=0;
bullet[i].y=0;
}
for(i=0;i<200;i++) enemies_drawn[i]=0;
/* Announce the Start of the Level */
vmwDrawBox(0,0,320,200,0,virtual_1);
coolbox(70,85,240,120,1,virtual_1);
if (game_state->level==2) {
vmwTextXY(" LEVEL TWO:",84,95,4,7,0,tb1_font,virtual_1);
vmwTextXY("THE \"PEACE ENVOY\"",84,105,4,7,0,tb1_font,virtual_1);
}
if (game_state->level==4) {
vmwTextXY(" LEVEL FOUR:",84,95,4,7,0,tb1_font,virtual_1);
vmwTextXY(" THE PLANET EERM",84,105,4,7,0,tb1_font,virtual_1);
}
vmwBlitMemToDisplay(game_state->graph_state,virtual_1);
vmwClearKeyboardBuffer();
pauseawhile(5);
/* Setup and draw the sidebar */
setupsidebar(game_state,virtual_2);
vmwFlipVirtual(virtual_1,virtual_2,320,200);
sprintf(tempst,"%d",game_state->level);
vmwDrawBox(251,52,63,7,0,virtual_2);
vmwTextXY(tempst,307,51,12,0,0,tb1_font,virtual_2);
/* Clear the screen and draw the stars */
vmwDrawBox(0,0,320,400,0,virtual_2);
for(i=0;i<100;i++) {
// printf("%i\n",i); fflush(stdout);
vmwPutSprite(shape_table[32],rand()%238,rand()%150,virtual_2);
vmwPutSprite(shape_table[33],rand()%238,rand()%150,virtual_2);
}
change_shields(game_state);
gettimeofday(&timing_info,&dontcare);
oldsec=timing_info.tv_sec; oldusec=timing_info.tv_usec;
/**** GAME LOOP ****/
while (!levelover) {
ch=0;
/* Scroll the Background */
if (speed_factor>1) howmuchscroll-=speed_factor;
else howmuchscroll--;
if (howmuchscroll<0) {
howmuchscroll=200+howmuchscroll;
vmwArbitraryCrossBlit(virtual_2,0,0,240,200,virtual_2,0,200);
/*ggiCopyBox(vaddr2,0,0,240,200,0,200);*/
for(i=0;i<12;i++)
for(j=19;j>=0;j--) {
our_shape=background[backrow+(19-j)][i];
// printf("Shape : %i\n",our_shape);
vmwPutSprite(shape_table[our_shape],
i*20,j*10,virtual_2);
}
backrow+=20;
}
/* Setup Obstructions */
our_row=rows_goneby/10;
if (!enemies_drawn[our_row]) {
enemies_drawn[our_row]=1;
for(i=0;i<12;i++) {
our_shape=background[our_row][i];
if ((our_shape>9)&&(our_shape<20)) {
k=0;
while ((!passive[k].dead) && (k<40)) k++;
passive[k].dead=0;
passive[k].kind=our_shape;
if ((our_shape>10) && (our_shape<15)) passive[k].shooting=1;
else passive[k].shooting=0;
passive[k].exploding=0;
passive[k].x=i*20;
passive[k].y=(rows_goneby%10)-9;
passive[k].howmanyhits=1;
passive[k].lastshot=0;
}
}
}
/* Flip the far background to vaddr */
vmwArbitraryCrossBlit(virtual_2,0,0+howmuchscroll,240,200,
virtual_1,0,0);
/***Collision Check***/
for(i=0;i<40;i++)
if ((!passive[i].dead) && (!passive[i].exploding)) {
for(j=0;j<3;j++) {
if ((bullet[j].out) &&
(collision(bullet[j].x,bullet[j].y,3,4,passive[i].x,
passive[i].y,10,5))){
if (passive[i].kind!=10) {
if ((game_state->sound_possible)&&(game_state->sound_enabled))
playGameFX(SND_KAPOW);
passive[i].exploding=1;
passive[i].explodeprogress=0;
bullet[j].out=0;
game_state->score+=10;
changescore(game_state);
}
else {
bullet[j].out=0;
k=0;
while ((!enemy[k].out) && (k<10)) k++;
if (k<9) {
enemy[k].out=1;
enemy[k].y=bullet[j].y;
enemy[k].x=bullet[j].x;
enemy[k].yspeed=7;
enemy[k].kind=21;
}
}
}
}
/* See if ship is hitting any Obstructions*/
if ((passive[i].y>155) && (passive[i].kind!=10)) {
if ((collision(passive[i].x,passive[i].y,10,5,shipx+16,165,5,5))||
(collision(passive[i].x,passive[i].y,10,5,shipx+6,175,18,8))) {
if ((game_state->sound_possible)&&(game_state->sound_enabled))
playGameFX(SND_BONK);
passive[i].dead=1;
game_state->shields--;
if(game_state->shields<0) levelover=1;
vmwPutSprite(shape_table[34],
passive[i].x,passive[i].y+howmuchscroll,
virtual_1);
change_shields(game_state);
}
}
}
/* See if hit by lasers */
for (i=0;i<10;i++)
if (enemy[i].out) {
if ((collision(enemy[i].x,enemy[i].y,2,5,shipx+16,165,5,5)) ||
(collision(enemy[i].x,enemy[i].y,2,5,shipx+6,175,18,8))) {
if ((game_state->sound_possible)&&(game_state->sound_enabled))
playGameFX(SND_BONK);
enemy[i].out=0;
game_state->shields--;
if (game_state->shields<0) levelover=1;
change_shields(game_state);
}
}
/***DO EXPLOSIONS***/
for(i=0;i<40;i++)
if (passive[i].exploding) {
passive[i].explodeprogress++;
vmwPutSprite(shape_table[35+passive[i].explodeprogress],
passive[i].x,passive[i].y+howmuchscroll,
virtual_2);
if (passive[i].explodeprogress>3) {
passive[i].dead=1;
passive[i].exploding=0;
vmwPutSprite(shape_table[34],
passive[i].x,passive[i].y+howmuchscroll,
virtual_2);
}
}
/***MOVE BULLET***/
for(i=0;i<3;i++) {
if (bullet[i].out) {
if (speed_factor>1) bullet[i].y-=(5*speed_factor);
else bullet[i].y-=5;
if (bullet[i].y<5) bullet[i].out=0;
else vmwPutSprite(shape_table[20],
bullet[i].x,bullet[i].y,
virtual_1);
}
}
/***MOVE ENEMIES***/
for(j=0;j<40;j++) {
if (!passive[j].dead) {
if (speed_factor==1) passive[j].y++;
else passive[j].y+=speed_factor;
if (passive[j].y>190) passive[j].dead=1;
}
if (passive[j].lastshot>0) passive[j].lastshot--;
if ((!passive[j].dead) && (passive[j].shooting)
&& (!passive[j].lastshot) && (passive[j].y>0)) {
k=0;
while ((enemy[k].out) && (k<10)) k++;
if (k<9) {
passive[j].lastshot=30;
enemy[k].out=1;
enemy[k].y=passive[j].y;
enemy[k].x=passive[j].x+5;
enemy[k].yspeed=5;
enemy[k].kind=25;
if (passive[j].kind==11) enemy[k].kind=26;
}
}
}
for(j=0;j<10;j++) {
if (enemy[j].out) {
vmwPutSprite(shape_table[enemy[j].kind],
enemy[j].x,enemy[j].y,
virtual_1);
if (speed_factor==1) enemy[j].y+=enemy[j].yspeed;
else enemy[j].y+=(enemy[j].yspeed*speed_factor);
if (enemy[j].y>189) enemy[j].out=0;
}
}
/***READ KEYBOARD***/
if ((ch=vmwGetInput())!=0) {
switch(ch) {
case VMW_ESCAPE: levelover=1; break;
case VMW_RIGHT: if (shipadd>=0) shipadd+=3; else shipadd=0; break;
case VMW_LEFT: if (shipadd<=0) shipadd-=3; else shipadd=0; break;
case VMW_F1: game_paused=1; help(game_state); break;
case '+': whatdelay++; break;
case 'P': case 'p': game_paused=1;
coolbox(65,85,175,110,1,virtual_1);
vmwTextXY("GAME PAUSED",79,95,4,7,
0,tb1_font,virtual_1);
vmwBlitMemToDisplay(game_state->graph_state,virtual_1);
while (vmwGetInput()==0) usleep(30000);
break;
case '-': whatdelay--; break;
case 'S':
case 's': game_state->sound_enabled=!(game_state->sound_enabled); break;
case VMW_F2: game_paused=1;
savegame(game_state);
break;
case ' ': for(j=0;j<3;j++)
if (!bullet[j].out) {
if ((game_state->sound_possible)&&(game_state->sound_enabled))
playGameFX(SND_CC);
bullet[j].out=1;
bullet[j].x=shipx+21;
bullet[j].y=165;
vmwPutSprite(shape_table[20],
bullet[j].x,bullet[j].y,virtual_1);
j=4;
}
}
}
/***MOVE SHIP***/
if (speed_factor>1) {
shipx+=(shipadd*speed_factor);
rows_goneby+=(speed_factor);
}
else {
shipx+=shipadd;
rows_goneby++;
}
if (shipx<1) shipx=1;
if (shipx>190) shipx=190;
switch(shipframe) {
case 1: vmwPutSprite(ship_shape[0],
shipx,165,virtual_1); break;
case 3: vmwPutSprite(ship_shape[1],
shipx,165,virtual_1); break;
case 2:
case 4: vmwPutSprite(ship_shape[2],
shipx,165,virtual_1); break;
}
shipframe++;
if (shipframe==5) shipframe=1;
/* Flip Pages */
vmwBlitMemToDisplay(game_state->graph_state,virtual_1);
/* Calculate how much time has passed */
gettimeofday(&timing_info,&dontcare);
time_spent=timing_info.tv_usec-oldusec;
if (timing_info.tv_sec-oldsec) time_spent+=1000000;
#ifdef DEBUG_ON
printf("%f\n",1000000/(float)time_spent);
#endif
/* If time passed was too little, wait a bit */
while (time_spent<33000){
gettimeofday(&timing_info,&dontcare);
usleep(5);
time_spent=timing_info.tv_usec-oldusec;
if (timing_info.tv_sec-oldsec) time_spent+=1000000;
}
/* It game is paused, don't keep track of time */
if (game_paused) {
gettimeofday(&timing_info,&dontcare);
oldusec=timing_info.tv_usec;
oldsec=timing_info.tv_sec;
game_paused=0;
speed_factor=1;
}
else {
speed_factor=(time_spent/30000);
oldusec=timing_info.tv_usec;
oldsec=timing_info.tv_sec;
}
/*printf("%i\n",rows_goneby);*/
if (rows_goneby>1950) {
// printf("%i\n",rows_goneby);
coolbox(35,85,215,110,1,virtual_1);
vmwTextXY("TO BE CONTINUED...",55,85,4,7,0,tb1_font,virtual_1);
vmwBlitMemToDisplay(game_state->graph_state,virtual_1);
pauseawhile(10);
/*
clearkeyboardbuffer;
pauseawhile(200);
fade;
grapherror:=Mode13LoadPicPacked(0,0,vaddr,false,true,'viewscr.tb1');
cls(0,vga);
blockmove(0,79,58,116,vaddr,10,10,vga);
clearkeyboardbuffer;
outsmalltextxy('UNIDENTIFIED SPACECRAFT!',70,10,2,0,vga,true);
outsmalltextxy('DO YOU WISH TO DEACTIVATE ',70,20,2,0,vga,true);
outsmalltextxy('THIS SHIP''S SECURITY SYSTEMS? (Y/N)',70,30,2,0,vga,true);
unfade;
clearkeyboardbuffer;
ch:='!';
repeat
if keypressed then ch:=readkey;
until (upcase(ch)='Y') or (upcase(ch)='N');
if upcase(ch)='N' then begin
blockmove(0,79,58,116,vaddr,10,50,vga);
outsmalltextxy('NO? AFFIRMATIVE. ',70,50,9,0,vga,true);
outsmalltextxy('ARMING REMOTE DESTRUCTION RAY.',70,60,9,0,vga,true);
outsmalltextxy('GOOD-BYE.',70,70,9,0,vga,true);
pauseawhile(400);
fade;
end;
if upcase(ch)='Y' then begin
blockmove(0,79,58,116,vaddr,10,50,vga);
outsmalltextxy('"Y"=CORRECT PASSWORD. ',70,50,2,0,vga,true);
outsmalltextxy('WELCOME SUPREME TENTACLEE COMMANDER.',70,60,2,0,vga,true);
outsmalltextxy('INITIATING TRACTOR BEAM AND AUTOMATIC',70,70,2,0,vga,true);
outsmalltextxy('LANDING PROCEDURE.',70,80,2,0,vga,true);
outsmalltextxy('WE WILL BE DEPARTING FOR THE PLANET',70,90,2,0,vga,true);
outsmalltextxy('EERM IN THREE MICROCYCLE UNITS.',70,100,2,0,vga,true);
pauseawhile(550);
level:=3;
clearkeyboardbuffer;
blockmove(0,42,58,79,vaddr,10,110,vga);
outsmalltextxy('Wha? Wait!',70,110,9,0,vga,true);
outsmalltextxy('What''s happening?',70,120,9,0,vga,true);
pauseawhile(550);
fade;
end;
grapherror:=Mode13LoadPicPacked(0,0,vaddr,false,true,'tbtract.tb1');
for i:=0 to 239 do
for j:=0 to 49 do
putpixel240(i,j,getpixel(i,j,vaddr),vaddr2);
cls(0,vga);
unfade;
for howmuchscroll:=50 downto 1 do begin
flipd240(howmuchscroll,vaddr,vaddr2);
putshape (bigship3off,vaddr,43,30,shipx,165);
waitretrace;
flipd320(vaddr,vga);
end;
if upcase(ch)='N' then begin
clearkeyboardbuffer;
line(7,6,shipx+10,180,4,vga);
line(shipx+37,180,231,6,4,vga);
pauseawhile(50);
clearkeyboardbuffer;
for i:=shipx to shipx+48 do
verticalline(165,195,i,4,vga);
pauseawhile(200);
flipd240(howmuchscroll,vaddr,vaddr2);
flipd320(vaddr,vga);
pauseawhile(150);
end;
if upcase(ch)='Y' then begin;
shipadd:=sgn(shipx-95);
shipy:=165;
repeat
if shipx<>95 then shipx:=shipx-shipadd;
if shipy>9 then dec(shipy);
flipd240(howmuchscroll,vaddr,vaddr2);
line(7,6,shipx+10,shipy+15,2,vaddr);
line(shipx+37,shipy+15,231,6,2,vaddr);
putshape (bigship3off,vaddr,43,30,shipx,shipy);
waitretrace;
flipd320(vaddr,vga);
until (shipx=95) and (shipy=9);
clearkeyboardbuffer;
pauseawhile(850);
fade;
cls(0,vga);
while keypressed do ch:=readkey;
if level=4 then begin
outsmalltextxy('THE PLANET EERM?',20,20,10,0,vga,true);
outsmalltextxy('XENOCIDE FLEET?',20,30,10,0,vga,true);
outsmalltextxy('WHAT''S GOING ON?',20,40,10,0,vga,true);
outsmalltextxy('A MAJOR GOVERNMENT CONSPIRACY? MASS HALUCINATIONS?',20,50,10,0,vga,true);
outsmalltextxy('WATCH FOR TOM BOMBEM LEVEL 3 (CURRENTLY IN THE DESIGN PHASE).',10,70,12,0,vga,true);
outsmalltextxy('ALL THESE QUESTIONS WILL BE ANSWERED!',10,80,12,0,vga,true);
outsmalltextxy('ALSO MORE FEATURES WILL BE ADDED:',10,90,12,0,vga,true);
outsmalltextxy(' BETTER GRAPHICS, SOUND AND SPEED.',10,100,12,0,vga,true);
outsmalltextxy('TO HASTEN COMPLETION, SEND QUESTIONS/COMMENTS/DONATIONS TO ',9,120,9,0,vga,true);
outsmalltextxy('THE AUTHOR (SEE THE REGISTER MESSAGE FOR RELEVANT ADDRESSES).',9,130,9,0,vga,true);
outsmalltextxy('THANK YOU FOR PLAYING TOM BOMBEM',80,150,14,0,vga,true);
unfade;
pauseawhile(1800);
end; */
levelover=1;
}
}
}
void littleopener2(tb1_state *game_state) {
vmwDrawBox(0,0,319,199,0,game_state->virtual_1);
vmwLoadPicPacked(0,0,game_state->virtual_1,1,1,
tb1_data_file("level2/tbl2ship.tb1",game_state->path_to_data),
game_state->graph_state);
vmwTextXY("Hmmmm... ",10,10,4,0,0,game_state->graph_state->default_font,
game_state->virtual_1);
vmwTextXY("This Might Be Harder Than I Thought.",10,20,4,0,0,
game_state->graph_state->default_font,game_state->virtual_1);
vmwBlitMemToDisplay(game_state->graph_state,game_state->virtual_1);
pauseawhile(13);
vmwDrawBox(0,0,319,199,0,game_state->virtual_1);
}
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