libc for the amiga version

[retrocrawl] / src / game.c

diff --git a/src/game.c b/src/game.c
index a4dc4c7..87edac7 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -1,40 +1,89 @@
+#include <stdio.h>
 #include <string.h>
 #include "game.h"
-#include "data_test.h"
 #include "gfx.h"
+#include "copper.h"
+#include "data.h"
+#include "sprite.h"
 
 #include "hwregs.h"    /* XXX */
 
-#define TILE_W 32
-#define TILE_H 16
+#define TILE_W 64
+#define TILE_H 32
 
 void draw_tile(int tid, int x, int y, int light);
-void convert_tile_data(unsigned char *dest, const char *src);
 
-static unsigned char test_tiles[2][TILE_W * TILE_H / 8 * NBPL];
-static unsigned char tile_mask[TILE_W * TILE_H / 8 * NBPL];
+static uint16_t *sprdata[NUM_HWSPRITES];
+
+/* hardcoded test sprite */
+static struct sprite test_sprite;
 
 int game_init(void)
 {
        int i;
 
-       for(i=0; i<2; i++) {
-               convert_tile_data(test_tiles[i], test_tiles_cpix[i][0]);
+       printf("hello world\n");
+
+       REG_COLOR0 = 0x221;
+       REG_COLOR1 = 0x222;
+       REG_COLOR2 = 0x332;
+       REG_COLOR3 = 0x433;
+       REG_COLOR4 = 0x543;
+       REG_COLOR5 = 0x554;
+       REG_COLOR6 = 0x654;
+       REG_COLOR7 = 0x765;
+
+       for(i=0; i<16; i++) {
+               REG_COLOR_PTR[i + 16] = sprpal[i];
        }
-       convert_tile_data(tile_mask, tile_mask_cpix[0]);
+
+       sprdata[0] = spr0a;
+       sprdata[1] = spr0b;
+       sprdata[2] = spr1a;
+       sprdata[3] = spr1b;
+       sprdata[4] = spr2a;
+       sprdata[5] = spr2b;
+
+       test_sprite.width = test_sprite.height = 48;
+       test_sprite.origx = 24;
+       test_sprite.origy = 24;
+       test_sprite.img = test_sprite.mask = 0;
+       test_sprite.hwslices = 3;
+       for(i=0; i<8; i++) {
+               test_sprite.hwspr[i] = i < 6 ? sprdata[i] : 0;
+       }
+
        return 0;
 }
 
+#define XTILES 5
+#define YTILES 13
+
 void game_draw(void)
 {
-       draw_tile(0, 32, 16, 0);
+       int i, j, xoffs, yoffs, ntiles;
+
+       yoffs = 0;
+       for(i=0; i<YTILES; i++) {
+               xoffs = i & 1 ? TILE_W / 2 : 0;
+               ntiles = i & 1 ? XTILES - 1 : XTILES;
+               for(j=0; j<ntiles; j++) {
+                       draw_tile(0, xoffs, yoffs, 0);
+                       xoffs += TILE_W;
+               }
+               yoffs += TILE_H / 2;
+       }
+
+       begin_sprites();
+       draw_sprite(&test_sprite, 160, 100);
+       end_sprites();
 }
 
 
 void draw_tile(int tid, int x, int y, int light)
 {
        unsigned char *dest = bplptr[0] + (y * SCANSZ * NBPL) + x / 8;
-       unsigned char *src = test_tiles[tid];
+       unsigned char *src = test_tile;
 
        wait_blit();
 
@@ -45,60 +94,9 @@ void draw_tile(int tid, int x, int y, int light)
        REG_BLTBMOD = 0;
        REG_BLTCMOD = SCANSZ - TILE_W / 8;
        REG_BLTDMOD = SCANSZ - TILE_W / 8;
-       REG32_BLTAPT = (intptr_t)tile_mask;
+       REG32_BLTAPT = (intptr_t)test_tile_mask;
        REG32_BLTBPT = (intptr_t)src;
        REG32_BLTCPT = (intptr_t)dest;
        REG32_BLTDPT = (intptr_t)dest;
        REG_BLTSIZE = BLTSIZE(TILE_W, TILE_H * NBPL);
 }
-
-static inline int charpix_color(char c)
-{
-       switch(c) {
-       case '0':
-               return 0;
-       case '#':
-               return 1;
-       case 'x':
-               return 2;
-       case '@':
-               return 3;
-       case 'o':
-               return 4;
-       case '.':
-               return 0x1f;
-       default:
-               break;
-       }
-       return 0;
-}
-
-#define TILE_SCANSZ    (TILE_W / 8)
-void convert_tile_data(unsigned char *dest, const char *src)
-{
-       int i, j, k;
-       unsigned char *bptr[NBPL];
-
-       for(i=0; i<NBPL; i++) {
-               bptr[i] = dest + TILE_SCANSZ * i;
-       }
-
-       for(i=0; i<TILE_H; i++) {
-               for(j=0; j<TILE_W; j++) {
-                       int col = charpix_color(*src++);
-
-                       for(k=0; k<NBPL; k++) {
-                               *bptr[k] = (*bptr[k] << 1) | (col & 1);
-                               col >>= 1;
-
-                               if((j & 7) == 7) {
-                                       bptr[k]++;
-                               }
-                       }
-               }
-
-               for(j=0; j<NBPL; j++) {
-                       bptr[j] += TILE_SCANSZ * (NBPL - 1);
-               }
-       }
-}