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#include "math.h"
#include "string.h"
#include "MOGtypes.h"
#include "SDL/SDL.h"
#include "drawing.h"
#include "bitmaps.h"
#include "sprites.h"
#include "tiles.h"
#include "mog.h"
#define MAX_VIEWS 4
/* Vistas: */
int logic_dx[MAX_VIEWS]={640,0,0,0};
int logic_dy[MAX_VIEWS]={400,0,0,0};
int logic_x[MAX_VIEWS]={0,0,0,0};
int logic_y[MAX_VIEWS]={0,0,0,0};
int physic_dx[MAX_VIEWS]={640,0,0,0};
int physic_dy[MAX_VIEWS]={400,0,0,0};
int physic_x[MAX_VIEWS]={0,0,0,0};
int physic_y[MAX_VIEWS]={0,0,0,0};
/* Variables globales: */
extern int SCREEN_X;
extern int SCREEN_Y;
BYTE *buffer_screen=NULL;
extern int pers_x,pers_y;
extern int n_fired_arrows;
void Render(SDL_Surface *surface)
{
int i;
/* Reservar buffers: */
if (buffer_screen==NULL) {
buffer_screen=new BYTE[SCREEN_X*SCREEN_Y];
if (buffer_screen==NULL) return;
memset(buffer_screen,0,SCREEN_X*SCREEN_Y);
} /* if */
/* Ejecutar un ciclo de juego: */
GameCycle(buffer_screen,SCREEN_X,SCREEN_Y);
/*
if (IsAltPressed()) tile_print("SDL: ALT",0,0,buffer_screen,SCREEN_X,SCREEN_Y);
else tile_print("SDL: NO ALT",0,0,buffer_screen,SCREEN_X,SCREEN_Y);
if (IsAltPressed2()) tile_print("WIN: ALT",0,TILE_SIZE_Y,buffer_screen,SCREEN_X,SCREEN_Y);
else tile_print("WIN: NO ALT",0,TILE_SIZE_Y,buffer_screen,SCREEN_X,SCREEN_Y);
*/
/*
{
char tmp[8];
sprintf(tmp,"%i",n_fired_arrows);
tile_print(tmp,8,0,buffer_screen,SCREEN_X,SCREEN_Y);
}
*/
/* Character coordinates:
{
char tmp[8];
sprintf(tmp,"X: %i",pers_x);
tile_print(tmp,0,0,buffer_screen,SCREEN_X,SCREEN_Y);
sprintf(tmp,"Y: %i",pers_y);
tile_print(tmp,0,TILE_SIZE_Y,buffer_screen,SCREEN_X,SCREEN_Y);
}
*/
// Bloquear la superficie primaria
if (SDL_MUSTLOCK(surface)) SDL_LockSurface(surface);
// Transferir la imagen de 'buffer_screen' a la memoria de vídeo:
for(i=0;i<MAX_VIEWS;i++) {
if (logic_dx[i]!=0) {
BYTE *orig,*dest;
int y,x,inc_x,inc_y;
int offsx,offsy;
/* Vista activa: */
if (logic_dx[i]==physic_dx[i] &&
logic_dy[i]==physic_dy[i]) {
for(y=0;y<physic_dy[i];y++) {
orig=buffer_screen+logic_x[i]+(logic_y[i]+y)*SCREEN_X;
dest=(BYTE *)surface->pixels+physic_x[i]+(physic_y[i]+y)*surface->pitch;
memcpy(dest,orig,physic_dx[i]);
} /* for */
} else {
inc_x=((logic_dx[i]<<8)/physic_dx[i]);
inc_y=((logic_dy[i]<<8)/physic_dy[i]);
offsy=logic_y[i]<<8;
for(y=0;y<physic_dy[i];y++,offsy+=inc_y) {
orig=buffer_screen+(offsy>>8)*SCREEN_X;
dest=(BYTE *)surface->pixels+physic_x[i]+(physic_y[i]+y)*surface->pitch;
offsx=logic_x[i]<<8;
for(x=0;x<physic_dx[i];x++,offsx+=inc_x) {
dest[x]=orig[(offsx>>8)];
} /* for */
} /* for */
} /* if */
} /* if */
} /* if */
// Desbloquear la superficie primaria
if (SDL_MUSTLOCK(surface)) SDL_UnlockSurface(surface);
} /* Render */
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