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main.c
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main.c
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#include <stdio.h>
#include <stdlib.h>
#include <6502.h>
#include "common.h"
#include "util.h"
#include "music.h"
#include "bitmap_ids.h"
#include "sound_ids.h"
//#define SAVEMEM
//#define SHOW_OPTIONS
//#define CROPPEDBMP
//#define ANIMBKGND
#define DRAWSPRITES
//#define BLANKSCREEN
//#define HITBOXES
// ================================
// EXTERNS
// ================================
extern void draw_sprintf(unsigned char posx, unsigned char posy, char* str, ...);
extern void draw_text(char* str, unsigned char posx, unsigned char posy, unsigned char invert);
extern unsigned int screen_loc, rel_loc, gtmpw, gtmpw2, gtmpw3, gtmpw4;
extern unsigned char a, b, gk, gtmp, num_repairs;
extern unsigned char snd_trigger, snd_idx, snd_delay;
extern int sky_idx;
// ================================
// GLOBALS
// ================================
unsigned char hit, hithead, hittorso, hitfeet;
unsigned char* ptr, *ptr2;
int bx, by, cx, cy;
unsigned char energies_buffered = 0;
unsigned char energies[2] = { 0 };
unsigned char last_energies[2] = { 0 };
unsigned char screen_flag = 0;
unsigned char firedown[2]= { 0 };
unsigned char walkingright[2]= { 0 };
unsigned char walkingleft[2]= { 0 };
unsigned char crouching[2]= { 0 };
unsigned char punching[2]= { 0 };
unsigned char floor_idx=12;
unsigned char escdown = 0;
enum OPT_BKGND { BKGND_STATIC, BKGND_ANIM, BKGND_ANIM_REPAIR };
unsigned char option_background = BKGND_STATIC; //BKGND_ANIM;
int building_idx=0;
int fence_idx=0;
int temple_idx=0;
enum { GAME_INTRO, GAME_TITLE, GAME_MAIN, GAME_OPTIONS };
void play_sound(unsigned char idx);
unsigned char gamestate = GAME_INTRO;
enum anim_ids
{
RYU_IDLE,
RYU_WALK, RYU_WALKB,
RYU_JUMP, RYU_FJUMP, RYU_BJUMP,
RYU_CROUCHBLOCK,
RYU_LPUNCH, RYU_MHPUNCH,
RYU_FLPUNCH, RYU_FMPUNCH, RYU_FHPUNCH,
RYU_LMKICK, RYU_HKICK,
RYU_FLKICK, RYU_FMKICK, RYU_FHKICK,
RYU_CROUCH_LPUNCH, RYU_CROUCH_MPUNCH, RYU_CROUCH_HPUNCH,
RYU_CROUCH_LKICK, RYU_CROUCH_MKICK, RYU_CROUCH_HKICK,
RYU_JUMP_LMHPUNCH,
RYU_JUMP_LMKICK, RYU_JUMP_HKICK,
RYU_FJUMP_LPUNCH,
RYU_FJUMP_MHKICK,
RYU_SHOURYUKEN, RYU_TATSUMAKI,
RYU_HADOUKEN,
RYU_HADPROJ_START, RYU_HADPROJ, RYU_HADPROJ_END,
RYU_SHOULDERTOSS, RYU_BACKROLL,
RYU_HIT, RYU_FACEHIT, RYU_CROUCHHIT,
RYU_KNOCKDOWN, RYU_STUNNED, RYU_KO,
RYU_VICTORY, RYU_VICTORYALT,
//RYU_MUGSHOT,
RYU_MAX
};
#define FIRST_ATTACK RYU_LPUNCH
unsigned char punch_style = FIRST_ATTACK;
unsigned int anim_ryu_idle[] = { RYU_IDLE2, RYU_IDLE3, RYU_IDLE4 };
unsigned int anim_ryu_walk[] = { RYU_WALK1, RYU_WALK2, RYU_WALK3, RYU_WALK4, RYU_WALK5, RYU_WALK6, RYU_WALK7, RYU_WALK8 };
unsigned int anim_ryu_walkb[] = { RYU_WALK8, RYU_WALK7, RYU_WALK6, RYU_WALK5, RYU_WALK4, RYU_WALK3, RYU_WALK2, RYU_WALK1 };
unsigned int anim_ryu_jump[] = { RYU_JUMP2, RYU_JUMP3, RYU_JUMP4 };
unsigned int anim_ryu_fjump[] = { RYU_FJUMP2, RYU_FJUMP3, RYU_FJUMP4, RYU_FJUMP5, RYU_FJUMP6, RYU_FJUMP7 };
unsigned int anim_ryu_bjump[] = { RYU_FJUMP7, RYU_FJUMP6, RYU_FJUMP5, RYU_FJUMP4, RYU_FJUMP3, RYU_FJUMP2 };
unsigned int anim_ryu_crouchblock[] = { RYU_CROUCH1, RYU_CROUCH2, RYU_BLOCK1, RYU_BLOCK2 };
unsigned int anim_ryu_lpunch[] = { RYU_LPUNCH1, RYU_LPUNCH2, RYU_LPUNCH1 };
unsigned int anim_ryu_mhpunch[] = { RYU_MHPUNCH1, RYU_MHPUNCH2, RYU_MHPUNCH3 };
unsigned int anim_ryu_flpunch[] = { RYU_FLPUNCH1, RYU_FLPUNCH2, RYU_FLPUNCH3 };
unsigned int anim_ryu_fmpunch[] = { RYU_FMPUNCH1, RYU_FMPUNCH2, RYU_FMPUNCH3, RYU_FMPUNCH4 };
unsigned int anim_ryu_fhpunch[] = { RYU_FHPUNCH1, RYU_FHPUNCH2, RYU_FHPUNCH3, RYU_FHPUNCH4 };
unsigned int anim_ryu_lmkick[] = { RYU_LMKICK1, RYU_LMKICK2 };
unsigned int anim_ryu_hkick[] = { RYU_HKICK1, RYU_HKICK2, RYU_HKICK3, RYU_HKICK4, RYU_HKICK5 };
unsigned int anim_ryu_flkick[] = { RYU_FLKICK1, RYU_FLKICK2 };
unsigned int anim_ryu_fmkick[] = { RYU_FMKICK1, RYU_FMKICK2, RYU_FMKICK3 };
unsigned int anim_ryu_fhkick[] = { RYU_FHKICK1, RYU_FHKICK2, RYU_FHKICK3 };
unsigned int anim_ryu_crouch_lpunch[] = { RYU_CROUCH_LPUNCH1, RYU_CROUCH_LPUNCH2 };
unsigned int anim_ryu_crouch_mpunch[] = { RYU_CROUCH_MPUNCH1, RYU_CROUCH_MPUNCH2 };
unsigned int anim_ryu_crouch_hpunch[] = { RYU_CROUCH_HPUNCH1, RYU_CROUCH_HPUNCH2, RYU_CROUCH_HPUNCH3 };
unsigned int anim_ryu_crouch_lkick[] = { RYU_CROUCH_LKICK1, RYU_CROUCH_LKICK2 };
unsigned int anim_ryu_crouch_mkick[] = { RYU_CROUCH_MKICK1, RYU_CROUCH_MKICK2 };
unsigned int anim_ryu_crouch_hkick[] = { RYU_CROUCH_HKICK1, RYU_CROUCH_HKICK2, RYU_CROUCH_HKICK3, RYU_CROUCH_HKICK4, RYU_CROUCH_HKICK5 };
unsigned int anim_ryu_jump_lmhpunch[] = { RYU_JUMP_LMHPUNCH1, RYU_JUMP_LMHPUNCH2, RYU_JUMP_LMHPUNCH3 };
unsigned int anim_ryu_jump_lmkick[] = { RYU_JUMP_LMKICK1, RYU_JUMP_LMKICK2 };
unsigned int anim_ryu_jump_hkick[] = { RYU_JUMP_HKICK1, RYU_JUMP_HKICK2, RYU_JUMP_HKICK3 };
unsigned int anim_ryu_fjump_lpunch[] = { RYU_FJUMP_LPUNCH1, RYU_FJUMP_LPUNCH2 };
unsigned int anim_ryu_fjump_mhkick[] = { RYU_FJUMP_MHKICK1, RYU_FJUMP_MHKICK2, RYU_FJUMP_MHKICK3 };
unsigned int anim_ryu_shouryuken[] = { RYU_SHOURYUKEN1, RYU_SHOURYUKEN2, RYU_SHOURYUKEN3, RYU_SHOURYUKEN4, RYU_SHOURYUKEN5, RYU_SHOURYUKEN6, RYU_SHOURYUKEN7 };
unsigned int anim_ryu_tatsumaki[] = { RYU_TATSUMAKI1, RYU_TATSUMAKI2, RYU_TATSUMAKI3, RYU_TATSUMAKI4, RYU_TATSUMAKI5, RYU_TATSUMAKI6, RYU_TATSUMAKI7, RYU_TATSUMAKI8, RYU_TATSUMAKI9 };
unsigned int anim_ryu_hadouken[] = { RYU_HADOUKEN1, RYU_HADOUKEN2, RYU_HADOUKEN3, RYU_HADOUKEN4, RYU_HADOUKEN5 };
unsigned int anim_ryu_hadproj_start[] = { RYU_HADPROJ1, RYU_HADPROJ2 };
unsigned int anim_ryu_hadproj[] = { RYU_HADPROJ3, RYU_HADPROJ4, RYU_HADPROJ5, RYU_HADPROJ6, RYU_HADPROJ7, RYU_HADPROJ8, RYU_HADPROJ9, RYU_HADPROJ10, RYU_HADPROJ11, RYU_HADPROJ12, RYU_HADPROJ13, RYU_HADPROJ14 };
unsigned int anim_ryu_hadproj_end[] = { RYU_HADPROJ15, RYU_HADPROJ16, RYU_HADPROJ17, RYU_HADPROJ18 };
unsigned int anim_ryu_shouldertoss[] = { RYU_SHOULDERTOSS1, RYU_SHOULDERTOSS2, RYU_SHOULDERTOSS3, RYU_SHOULDERTOSS4, RYU_SHOULDERTOSS5 };
unsigned int anim_ryu_backroll[] = { RYU_BACKROLL1, RYU_BACKROLL2, RYU_BACKROLL3, RYU_BACKROLL4, RYU_BACKROLL5, RYU_BACKROLL6, RYU_BACKROLL7 };
unsigned int anim_ryu_hit[] = { RYU_HIT1, RYU_HIT2, RYU_HIT3, RYU_HIT4 };
unsigned int anim_ryu_facehit[] = { RYU_FACEHIT1, RYU_FACEHIT2, RYU_FACEHIT3, RYU_FACEHIT4 };
unsigned int anim_ryu_crouchhit[] = { RYU_CROUCHHIT1, RYU_CROUCHHIT2, RYU_CROUCHHIT3 };
unsigned int anim_ryu_knockdown[] = { RYU_KNOCKDOWN1, RYU_KNOCKDOWN2, RYU_KNOCKDOWN3, RYU_KNOCKDOWN4, RYU_KNOCKDOWN5, RYU_KNOCKDOWN6, RYU_KNOCKDOWN7, RYU_KNOCKDOWN8 };
unsigned int anim_ryu_stunned[] = { RYU_STUNNED1, RYU_STUNNED2, RYU_STUNNED3 };
unsigned int anim_ryu_ko[] = { RYU_KO1, RYU_KO2, RYU_KO3, RYU_KO4, RYU_KO5 };
unsigned int anim_ryu_victory[] = { RYU_VICTORY1, RYU_VICTORY2, RYU_VICTORY3 };
unsigned int anim_ryu_victoryalt[] = { RYU_VICTORYALT1, RYU_VICTORYALT2, RYU_VICTORYALT3, RYU_VICTORYALT4, RYU_VICTORYALT5, RYU_VICTORYALT6, RYU_VICTORYALT7 };
//unsigned int anim_ryu_mugshot[] = { RYU_MUGSHOT1, RYU_MUGSHOT2, RYU_MUGSHOT3 };
typedef struct
{
unsigned int v1;
unsigned int v2;
unsigned int v3;
} voice_offset;
enum { SONG_INTRO, SONG_GAME };
voice_offset lstVoiceOffsets[2] =
{
{ 0xe000, 0xe000 + 0x0370, 0xe000 + 0x03f2 }, // INTRO SONG
{ 0xe000, 0xe000 + 0x0146, 0xe000 + 0x0796 } // GAME SONG
};
typedef struct
{
unsigned char anim_length;
char *relx;
char *rely;
unsigned char *frame;
} anim_movement;
char ryu_jump_relx[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
char ryu_jump_rely[] = { -3, -3, -2, -1, -1, 1, 1, 2, 3, 3 };
char ryu_jump_frame[] = { 0, 0, 1, 1, 2, 2, 1, 1, 0, 0 };
anim_movement ryu_anim_jump =
{
10,
ryu_jump_relx,
ryu_jump_rely,
ryu_jump_frame
};
char ryu_fjump_relx[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
char ryu_fjump_rely[] = { -3, -3, -2, -1, -1, 1, 1, 2, 3, 3 };
char ryu_fjump_frame[] = { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6 };
anim_movement ryu_anim_fjump =
{
10,
ryu_fjump_relx,
ryu_fjump_rely,
ryu_fjump_frame
};
char ryu_bjump_relx[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
anim_movement ryu_anim_bjump =
{
10,
ryu_bjump_relx,
ryu_fjump_rely,
ryu_fjump_frame
};
char ryu_tatsu_relx[] = { 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0 };
char ryu_tatsu_rely[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
char ryu_tatsu_frame[] = { 0, 1, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 6, 7, 8 };
anim_movement ryu_anim_tatsu =
{
17,
ryu_tatsu_relx,
ryu_tatsu_rely,
ryu_tatsu_frame
};
char ryu_shouryuken_relx[] = { 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 };
char ryu_shouryuken_rely[] = { 0, 0, 0, 0, -1, -2, -1, -1, 1, 1, 2, 1, 0 };
char ryu_shouryuken_frame[] = { 0, 1, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7 };
anim_movement ryu_anim_shouryuken =
{
13,
ryu_shouryuken_relx,
ryu_shouryuken_rely,
ryu_shouryuken_frame
};
typedef struct
{
//unsigned long reu_loc;
//unsigned int frame_size; // in bytes
unsigned int* frames;
unsigned char frame_count;
unsigned char pingpong;
unsigned int cols;
unsigned char rows;
} anim_detail;
anim_detail anims[RYU_MAX] =
{
// let the first two fields be auto-generated by the details in the other fields
// (reu_loc and frame_size)
{ anim_ryu_idle, 3, 1, 6, 13 }, // RYU_IDLE
{ anim_ryu_walk, 8, 0, 9, 13 }, // RYU_WALK
{ anim_ryu_walkb, 8, 0, 9, 13 }, // RYU_WALKB
{ anim_ryu_jump, 3, 1, 6, 13 }, // RYU_JUMP
{ anim_ryu_fjump, 7, 0, 10, 13 }, // RYU_FJUMP
{ anim_ryu_bjump, 7, 0, 10, 13 }, // RYU_BJUMP
{ anim_ryu_crouchblock, 4, 0, 6, 13 }, // RYU_CROUCHBLOCK
{ anim_ryu_lpunch, 3, 0, 8, 14 }, // RYU_LPUNCH
{ anim_ryu_mhpunch, 3, 1, 10, 14 }, // RYU_MHPUNCH
{ anim_ryu_flpunch, 3, 0, 7, 14 }, // RYU_FLPUNCH
{ anim_ryu_fmpunch, 4, 1, 8, 14 }, // RYU_FMPUNCH
{ anim_ryu_fhpunch, 4, 1, 8, 14 }, // RYU_FHPUNCH
{ anim_ryu_lmkick, 2, 1, 9, 16 }, // RYU_LMKICK
{ anim_ryu_hkick, 5, 0, 10, 16 }, // RYU_HKICK
{ anim_ryu_flkick, 2, 1, 10, 16 }, // RYU_FLKICK
{ anim_ryu_fmkick, 3, 1, 8, 16 }, // RYU_FMKICK
{ anim_ryu_fhkick, 3, 1, 11, 16 }, // RYU_FHKICK
{ anim_ryu_crouch_lpunch, 2, 1, 9, 16 }, // RYU_CROUCH_LPUNCH
{ anim_ryu_crouch_mpunch, 2, 1, 9, 16 }, // RYU_CROUCH_MPUNCH
{ anim_ryu_crouch_hpunch, 3, 1, 7, 16 }, // RYU_CROUCH_HPUNCH
{ anim_ryu_crouch_lkick, 2, 1, 10, 16 }, // RYU_CROUCH_LKICK
{ anim_ryu_crouch_mkick, 2, 1, 12, 16 }, // RYU_CROUCH_MKICK
{ anim_ryu_crouch_hkick, 5, 0, 10, 16 }, // RYU_CROUCH_HKICK
{ anim_ryu_jump_lmhpunch, 3, 0, 7, 18 }, // RYU_JUMP_LMHPUNCH
{ anim_ryu_jump_lmkick, 2, 0, 7, 18 }, // RYU_JUMP_LMKICK
{ anim_ryu_jump_hkick, 3, 0, 8, 18 }, // RYU_JUMP_HKICK
{ anim_ryu_fjump_lpunch, 2, 0, 6, 12 }, // RYU_FJUMP_LPUNCH
{ anim_ryu_fjump_mhkick, 3, 0, 9, 12 }, // RYU_FJUMP_MHKICK
{ anim_ryu_shouryuken, 7, 0, 7, 18 }, // RYU_SHOURYUKEN
{ anim_ryu_tatsumaki, 9, 0, 12, 18 }, // RYU_TATSUMAKI
{ anim_ryu_hadouken, 5, 0, 12, 12 }, // RYU_HADOUKEN
{ anim_ryu_hadproj_start, 2, 0, 6, 8 }, // RYU_HADPROJ_START
{ anim_ryu_hadproj, 12, 0, 11, 8 }, // RYU_HADPROJ
{ anim_ryu_hadproj_end, 4, 0, 6, 8 }, // RYU_HADPROJ_END
{ anim_ryu_shouldertoss, 5, 0, 9, 13 }, // RYU_SHOULDERTOSS
{ anim_ryu_backroll, 7, 0, 10, 12 }, // RYU_BACKROLL
{ anim_ryu_hit, 4, 0, 7, 15 }, // RYU_HIT
{ anim_ryu_facehit, 4, 0, 8, 15 }, // RYU_FACEHIT
{ anim_ryu_crouchhit, 3, 0, 9, 15 }, // RYU_CROUCHHIT
{ anim_ryu_knockdown, 8, 0, 10, 15 }, // RYU_KNOCKDOWN
{ anim_ryu_stunned, 3, 1, 8, 15 }, // RYU_STUNNED
{ anim_ryu_ko, 5, 0, 10, 15 }, // RYU_KO
{ anim_ryu_victory, 3, 0, 7, 16 }, // RYU_VICTORY
{ anim_ryu_victoryalt, 7, 1, 7, 16 }, // RYU_VICTORYALT
//{ anim_ryu_mugshot, 3, 0, 11, 15 }, // RYU_MUGSHOT
};
typedef struct
{
unsigned char dir; // if dir == 1 then use the mirrored version of the sprite
unsigned char posx, posy;
unsigned char anim;
unsigned char anim_idx; // the index within an animation
unsigned char anim_tmr; // how many ticks within the animation (i.e., you will sit on some frame-indexes for multiple ticks)
unsigned char anim_dir;
unsigned char visible;
anim_movement *anim_movement;
unsigned char jumping;
unsigned int boxes[4][4];
} sprite_detail;
#define SPR_MAX 4
sprite_detail* cur_spr;
sprite_detail sprites[SPR_MAX] =
{
{ 0, 4, 23, RYU_IDLE, 0, 0, 1, 1, NULL, 0 }, // player 1 (port 2)
{ 1, 30, 23, RYU_IDLE, 0, 0, 1, 1, NULL, 0 }, // player 2 (port 1)
{ 0, 10, 15, RYU_HADPROJ_START, 0, 0, 1, 0, NULL, 0 },
{ 0, 10, 15, RYU_HADPROJ_START, 0, 0, 1, 0, NULL, 0 },
/* { 7, 0, RYU_WALK, 0, 1 },
{ 14, 0, RYU_JUMP, 0, 1 },
{ 21, 0, RYU_FJUMP, 0, 1 },
{ 31, 0, RYU_CROUCHBLOCK, 0, 1 }, */
};
typedef struct
{
unsigned int reloffset; // this is the byte-offset starting from the top-right corner of the object, but will increment per row_segment
unsigned char length; // the number of length in chars for this row segment
} reu_row_segment;
typedef struct
{
unsigned char num_segments;
unsigned int start_segment_idx; // NOTE: reu_loc for segment metadata = start_segment_idx * sizeof(reu_row_segment)
// NOTE: this might have to be a relative value, and I make it absolute at run-time
unsigned char num_repairs; // how many repair chars are needed for this bitmap
unsigned long reu_ptr; // pointer to reu-memory for the data for the first row-segment (for the next segment, it'll be adjecent to this one in reu memory)
// I might have to leave this last field empty (relocatable?) and fill it in at run-time, depending on the ordering of all the objects
} reu_segged_bmp_obj;
typedef struct
{
unsigned int reloffset; // this is the byte-offset starting from the top-left corner of the object, but will increment per row_segment
unsigned char vals[16]; // 0=bmpval0, 1=maskval0, 2=bmpval1, 3=maskval1, etc...
} reu_repair_obj;
reu_segged_bmp_obj* segbmps = (reu_segged_bmp_obj*)0x1000;
reu_repair_obj *repair;
// ================================
// RAM Expansion Controller (REC) Registers
#define REC_STATUS 0xDF00
#define REC_COMMAND 0xDF01
#define REC_C64_ADDR_LO 0xDF02
#define REC_C64_ADDR_HI 0xDF03
#define REC_REU_ADDR_LO 0xDF04
#define REC_REU_ADDR_HI 0xDF05
#define REC_REU_ADDR_BANK 0xDF06
#define REC_TXFR_LEN_LO 0xDF07
#define REC_TXFR_LEN_HI 0xDF08
#define REC_INTRPT_MASK 0xDF09
#define REC_ADDR_CTRL 0xDF0A
int c64loc;
unsigned long reuloc;
unsigned char reudir=0; // 0=reu-to-c64, 1=c64-to-reu
int length;
void reu_simple_copy(void)
{
// c64base = 8192 = 0x2000
Poke(REC_C64_ADDR_LO, c64loc & 0xff);
Poke(REC_C64_ADDR_HI, c64loc >> 8);
Poke(REC_REU_ADDR_LO, reuloc & 0xff);
Poke(REC_REU_ADDR_HI, (reuloc >> 8) & 0xff);
Poke(REC_REU_ADDR_BANK, (reuloc >> 16) & 0xff);
Poke(REC_TXFR_LEN_LO, length & 0xff);
Poke(REC_TXFR_LEN_HI, length >> 8);
// c64 to REU with immediate execution
if (reudir)
{
Poke(REC_COMMAND, 0x90); // %10010001
}
else
{
// REU to c64 with immediate execution
Poke(REC_COMMAND, 0x91); // %10010001
}
}
/*
void reu_copy(int c64loc, unsigned long reuloc, int rowsize, unsigned char rows)
{
unsigned char y;
for (y = 0; y < rows; y++)
{
// c64base = 8192 = 0x2000
Poke(REC_C64_ADDR_LO, c64loc & 0xff);
Poke(REC_C64_ADDR_HI, c64loc >> 8);
Poke(REC_REU_ADDR_LO, reuloc & 0xff);
Poke(REC_REU_ADDR_HI, (reuloc >> 8) & 0xff);
Poke(REC_REU_ADDR_BANK, (reuloc >> 16) & 0xff);
Poke(REC_TXFR_LEN_LO, rowsize & 0xff);
Poke(REC_TXFR_LEN_HI, rowsize >> 8);
// REU to c64 with immediate execution
Poke(REC_COMMAND, 0x91); // %10010001
c64loc += 40*8;
reuloc += rowsize;
}
}
*/
int vicbase = 0x0000;
unsigned int draw_page = 1;
void clear_petscii(void)
{
vicbase = 0xd800;
while (vicbase < 0xd800+1000)
{
Poke(vicbase, 0);
vicbase++;
}
}
void clear_screen(void)
{
unsigned int i;
// Clear bitmap
rel_loc = vicbase+0x2000+8000;
for (screen_loc = vicbase+0x2000; screen_loc < rel_loc; screen_loc++)
{
Poke(screen_loc, 0x00);
}
// Set bitmap colours
for (i = 1024; i < 2024; i++)
{
Poke(i, (0 << 4) + 1); // black and white
}
//
// Set bitmap colours
for (i = 0x4000+1024; i < 0x4000+2024; i++)
{
Poke(i, (0 << 4) + 1); // black and white
}
}
void animate_sprite(sprite_detail* spr)
{
if (spr->anim_movement)
{
gk = spr->anim_tmr;
if (spr->dir)
spr->posx -= spr->anim_movement->relx[gk];
else
spr->posx += spr->anim_movement->relx[gk];
spr->posy += spr->anim_movement->rely[gk];
spr->anim_idx = spr->anim_movement->frame[gk];
spr->anim_tmr++;
// test for end of jump (probably not the nicest place to put this, but it'll do)
if (spr->anim_tmr == spr->anim_movement->anim_length)
{
spr->jumping=0;
spr->anim = RYU_IDLE;
spr->anim_idx = 0;
spr->anim_dir = 1;
spr->anim_movement = NULL;
}
return;
}
if (spr->anim_dir == 1)
{
if (spr->anim_idx == anims[spr->anim].frame_count-1)
{
if (anims[spr->anim].pingpong)
{
spr->anim_dir = 0;
spr->anim_idx--;
}
else
spr->anim_idx=0;
}
else
spr->anim_idx++;
}
else if (spr->anim_dir == 0)
{
if (spr->anim_idx == 0)
{
spr->anim_dir = 1;
spr->anim_idx++;
}
else
spr->anim_idx--;
}
}
unsigned keycode;
unsigned char col;
void check_real_keyboard(void)
{
keycode = 0;
__asm__ ( "jsr " FUNC_MINIKEY );
__asm__ ( "bcc rkskip" );
__asm__ ( "sta %v", keycode );
__asm__ ( "rkskip:" );
__asm__ ( "lda #$0" ); // set DDR for CIA-portA back to input so we can read joyport2 again
__asm__ ( "sta $dc02" );
}
unsigned char pi;
unsigned char key;
void get_keyboard_input(void)
{
check_real_keyboard();
#ifdef SHOW_OPTIONS
// check for escape key
if (keycode == 0x77)
{
if (!escdown)
{
escdown = 1;
gamestate = GAME_OPTIONS;
}
}
else
{
escdown = 0;
}
#endif
//draw_sprintf(0, 0, "key=0x%02X", keycode);
/*
if (keycode == 0x21) bx--; // A
if (keycode == 0x22) bx++; // D
if (keycode == 0x11) by--; // W
if (keycode == 0x07) by++; // S
if (keycode == 0x24) cx--; // J
if (keycode == 0x25) cx++; // L
if (keycode == 0x14) cy--; // I
if (keycode == 0x54) cy++; // K
*/
for (pi = 0; pi < 2; pi++)
{
// JOYSTICK: left=4, right=8, up=1, down=2, fire=16
key = (~Peek(56320U + pi)) & 31; //cgetc();
if (!(key & 16) && firedown[pi]) // test if fire was released
{
firedown[pi]=0;
// sprites[0].anim = RYU_IDLE;
// sprites[0].anim_idx = 0;
// sprites[0].anim_dir = 1;
}
// did we release down key?
if (!(key & 2) && crouching[pi])
{
crouching[pi] = 0;
sprites[pi].anim = RYU_IDLE;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
}
if (key != 0)
{
if (punching[pi])
{
// ignore keyboard input while punching flag is on
}
else if (key & 16 && !firedown[pi]) // fire button
{
firedown[pi]=1;
punching[pi]=1;
// check direction of joystick to decide on which punch/kick to use
if (key & 1) // up
{
if (sprites[pi].dir ? (key & 4) : (key & 8)) // right
{
snd_trigger = 2;
snd_delay = 1;
snd_idx = SND_SHOURYUKEN1;
sprites[pi].anim = RYU_SHOURYUKEN;
sprites[pi].anim_movement = &ryu_anim_shouryuken;
sprites[pi].anim_tmr = 0;
}
else if (sprites[pi].dir ? (key & 8) : (key & 4)) // left
{
snd_trigger = 2;
snd_delay = 1;
snd_idx = SND_TATSUMAKI1;
sprites[pi].anim = RYU_TATSUMAKI;
//sprites[pi].anim = sprites[pi].dir ? RYU_FJUMP : RYU_BJUMP;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
sprites[pi].anim_movement = &ryu_anim_tatsu;
sprites[pi].anim_tmr = 0;
}
else // purely up
{
sprites[pi].anim = RYU_HKICK;
}
key &= ~(1+4+8); // remove up flag
}
else if (key & 2) // down
{
if (key & 8) // right
sprites[pi].anim = sprites[pi].dir ? RYU_HADOUKEN : RYU_CROUCH_HKICK;
else if (key & 4) // left
sprites[pi].anim = sprites[pi].dir ? RYU_CROUCH_HKICK : RYU_HADOUKEN;
else // purely down
sprites[pi].anim = RYU_CROUCH_HPUNCH;
key &= ~(4+8);
}
else if (key & 8) // right only
{
sprites[pi].anim = sprites[pi].dir ? RYU_LMKICK : RYU_MHPUNCH;
key &= ~8;
}
else if (key & 4) // left only
{
sprites[pi].anim = sprites[pi].dir ? RYU_MHPUNCH : RYU_LMKICK;
key &= ~4;
}
else
{
sprites[pi].anim = punch_style;
punch_style++;
}
switch(sprites[pi].anim)
{
case RYU_HKICK:
case RYU_MHPUNCH:
case RYU_CROUCH_HPUNCH:
snd_trigger = 1;
snd_delay = 2;
snd_idx = SND_FALL;
break;
case RYU_LMKICK:
snd_trigger = 1;
snd_delay = 1;
snd_idx = SND_PUNCH2;
break;
}
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
if (punch_style == RYU_MAX)
punch_style = RYU_LPUNCH;
}
else if (key & 1 && !sprites[pi].jumping && sprites[pi].anim == RYU_IDLE) // up
{
sprites[pi].jumping = 1;
walkingright[pi] = 0; // TODO: consider how far we've walked in deciding where to jump
walkingleft[pi] = 0;
if (key & 8) // are we walking right too?
{
sprites[pi].anim = sprites[pi].dir ? RYU_BJUMP : RYU_FJUMP;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
sprites[pi].anim_movement = sprites[pi].dir ? &ryu_anim_bjump : &ryu_anim_fjump;
sprites[pi].anim_tmr = 0;
}
else if (key & 4) // left jump?
{
sprites[pi].anim = sprites[pi].dir ? RYU_FJUMP : RYU_BJUMP;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
sprites[pi].anim_movement = sprites[pi].dir ? &ryu_anim_fjump : &ryu_anim_bjump;
sprites[pi].anim_tmr = 0;
}
else
{
sprites[pi].anim = RYU_JUMP;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
sprites[pi].anim_movement = &ryu_anim_jump;
sprites[pi].anim_tmr = 0;
}
//vely=-6 << 5;
}
// DOWN KEY
else if (key & 2 && !sprites[pi].jumping && !walkingleft[pi] && !walkingright[pi])
{
crouching[pi] = 1;
sprites[pi].anim = RYU_CROUCHBLOCK;
sprites[pi].anim_idx = 1;
sprites[pi].anim_dir = 2;
}
// LEFT KEY
else if (key & 4 && !walkingleft[pi] && !walkingright[pi] && !sprites[pi].jumping) // left
{
walkingleft[pi] = 1;
if (sprites[pi].dir == 0)
sprites[pi].posx -= 3;
sprites[pi].anim = sprites[pi].dir ? RYU_WALK : RYU_WALKB;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
//dir = 1;
//girlx -= 2;
//if (!(i % 6)) // modulo operation seems to be time consuming !(i % 6))
// frame = (frame+1) % 2; // & 0x01; // % 2;
//if (girlx < 25) girlx = 25;
}
// RIGHT KEY
else if (key & 8 && !walkingleft[pi] && !walkingright[pi] && !sprites[pi].jumping) // right
{
walkingright[pi] = 1;
if (sprites[pi].dir == 1)
sprites[pi].posx += 3;
sprites[pi].anim = sprites[pi].dir ? RYU_WALKB : RYU_WALK;
sprites[pi].anim_idx = 0;
sprites[pi].anim_dir = 1;
//dir = 0;
//girlx += 2;
//if (!(i & 0x03)) // don't use modulo operation !(i % 6))
// frame = (frame+1) % 2; //& 0x01; // % 2;
//if (girlx > 323) girlx = 323;
}
// floor animate
if (key & 4) // floor-left animate
{
building_idx--;
fence_idx--;
temple_idx--;
if (floor_idx < 24)
floor_idx++;
}
if (key & 8) // floor-right animate
{
building_idx++;
fence_idx++;
temple_idx++;
if (floor_idx > 0)
floor_idx--;
}
} // end if
// - - - - no key is pressed? still some checks to do.. - - - -
else
{
// have we stopped walking left
if (key != 4 && walkingleft[pi])
{
if (sprites[pi].dir == 0)
sprites[pi].posx += 3 - sprites[pi].anim_idx / 3;
else
sprites[pi].posx -= sprites[pi].anim_idx / 3;
sprites[pi].anim = RYU_IDLE;
sprites[pi].anim_idx = 0;
walkingleft[pi] = 0;
}
else if (key != 8 && walkingright[pi])
{
if (sprites[pi].dir == 1)
sprites[pi].posx -= (3 - sprites[pi].anim_idx / 3);
else
sprites[pi].posx += (sprites[pi].anim_idx / 3);
sprites[pi].anim = RYU_IDLE;
sprites[pi].anim_idx = 0;
walkingright[pi] = 0;
}
}
} // end for
//Poke(8192L, walkingright);
//Poke(8193L, walkingleft);
//Poke(8194L, jumping);
}
// returns 1 = skip next animation step
// returns 0 = perform next animation step
unsigned char post_draw_processing(unsigned char sprite)
{
if (sprite < 2) // player 1 or 2?
{
// extra movement-related processing
if (walkingright[sprite] && sprites[sprite].anim_idx==7)
{
walkingright[sprite]=0;
if (sprites[sprite].dir == 0)
sprites[sprite].posx += 3;
sprites[sprite].anim = RYU_IDLE;
sprites[sprite].anim_idx = 0;
sprites[sprite].anim_dir = 1;
}
if (walkingleft[sprite] && sprites[sprite].anim_idx==7)
{
walkingleft[sprite]=0;
if (sprites[sprite].dir == 1)
sprites[sprite].posx -= 3;
sprites[sprite].anim = RYU_IDLE;
sprites[sprite].anim_idx = 0;
sprites[sprite].anim_dir = 1;
}
// start hadouken projectile?
if (sprites[sprite].anim == RYU_HADOUKEN)
{
if (sprites[sprite].anim_idx == 2)
{
snd_trigger = 2;
snd_idx = SND_HADOUKEN1;
}
else if (sprites[sprite].anim_idx == 4)
{
sprites[sprite+2].anim=RYU_HADPROJ_START;
sprites[sprite+2].anim_idx=0;
sprites[sprite+2].visible=1;
sprites[sprite+2].dir = sprites[sprite].dir;
if (sprites[sprite].dir)
{
sprites[sprite+2].posx = sprites[sprite].posx - 8;
sprites[sprite+2].posy = sprites[sprite].posy - 3;
}
else
{
sprites[sprite+2].posx = sprites[sprite].posx + 9;
sprites[sprite+2].posy = sprites[sprite].posy - 3;
}
}
}
if (punching[sprite] && !sprites[sprite].anim_movement)
{
if (anims[sprites[sprite].anim].pingpong)
{
if (sprites[sprite].anim_idx == 0 && sprites[sprite].anim_dir==0)
{
punching[sprite] = 0;
sprites[sprite].anim = RYU_IDLE;
sprites[sprite].anim_idx = 0;
sprites[sprite].anim_dir = 1;
return 1;
}
}
else if (sprites[sprite].anim_idx == anims[sprites[sprite].anim].frame_count-1)
{
punching[sprite] = 0;
sprites[sprite].anim = RYU_IDLE;
sprites[sprite].anim_idx = 0;
sprites[sprite].anim_dir = 1;
return 1;
}
}
} // end sprite0 processing
// hadouken projectile sprite?
if (sprite == 2 || sprite == 3)
{
//draw_sprintf(0, 0, "posx=%d", sprites[sprite].posx);
//draw_sprintf(0, 1, "posy=%d", sprites[sprite].posy);
if (sprites[sprite].anim == RYU_HADPROJ_START && sprites[sprite].anim_idx == 1)
{
sprites[sprite].anim = RYU_HADPROJ;
sprites[sprite].anim_idx = 0;
}
else if (sprites[sprite].anim == RYU_HADPROJ && sprites[sprite].anim_idx == 11)
{
if (sprites[sprite].posx <= 3 || sprites[sprite].posx > 28)
{
sprites[sprite].anim=RYU_HADPROJ_END;
sprites[sprite].anim_idx=0;
if (sprites[sprite].dir)
sprites[sprite].posx -= 6;
else
sprites[sprite].posx += 6;
}
else
{
if (sprites[sprite].dir)
sprites[sprite].posx -= 6;
else
sprites[sprite].posx += 6;
}
}
else if (sprites[sprite].anim == RYU_HADPROJ_END && sprites[sprite].anim_idx == 3)
{
sprites[sprite].visible=0;
}
}
return 0;
}
void drawbox(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, unsigned char white)
{
unsigned int len = x2 - x1;
unsigned char offs = x1 & 0x07;
unsigned char offs2, offsy;
rel_loc = vicbase+0x2000;
gtmpw = rel_loc;
gtmpw3 = rel_loc;
// take offset to the start of which character block the first pixel resides in
rel_loc += (y1 >> 3) * 320 + (x1 & 0xfff8);
// now take offset to the start of the row within the char-block
rel_loc += (y1 & 0x07);
a = 0xff >> offs;
b = a ^ 0xff;
if (white)
Poke(rel_loc, Peek(rel_loc) & b);
else
Poke(rel_loc, Peek(rel_loc) | a);
// back up this location for later
gtmpw2 = rel_loc;
// do the same for the lower line
gtmpw += (y2 >> 3) * 320 + (x1 & 0xfff8);
gtmpw += (y2 & 0x07);
if (white)
Poke(gtmpw, Peek(gtmpw) & b);
else
Poke(gtmpw, Peek(gtmpw) | a);
// draw the rest of the horizontal line, in 8-bit chunks
offs2 = x2 & 0x07;
len -= offs2;
rel_loc += 8;
gtmpw += 8;
while (len > 8)
{
if (white)
{
Poke(rel_loc, 0x00);
Poke(gtmpw, 0x00);
}
else
{
Poke(rel_loc, 0xff);
Poke(gtmpw, 0xff);
}
len -=8;
rel_loc += 8;
gtmpw += 8;
}
// draw any trailing end
a = 0xff << (7 - offs2);
b = a ^ 0xff;
if (white)
{
Poke(rel_loc, Peek(rel_loc) & b);
Poke(gtmpw, Peek(gtmpw) & b);
}
else
{
Poke(rel_loc, Peek(rel_loc) | a);
Poke(gtmpw, Peek(gtmpw) | a);
}
// draw the vertical lines...
offsy = y1 & 0x07;
gtmpw3 += (y1 >> 3) * 320 + (x2 & 0xfff8);
gtmpw3 += (y1 & 0x07);
len = y2-y1;
a = 1 << (7-offs);
b = a ^ 0xff;
gk = 1 << (7-offs2);
gtmp = gk ^ 0xff;
while (len > 1)
{
len--;
offsy++;
if (offsy == 8)
{
gtmpw2 += 320;
gtmpw2 &= 0xfff8;
gtmpw3 += 320;
gtmpw3 &= 0xfff8;
offsy=0;
}
else
{
gtmpw2++;
gtmpw3++;
}
if (white)
{
Poke(gtmpw2, Peek(gtmpw2) & b);
Poke(gtmpw3, Peek(gtmpw3) & gtmp);
}
else
{
Poke(gtmpw2, Peek(gtmpw2) | a);
Poke(gtmpw3, Peek(gtmpw3) | gk );