Code: Select all
#include <kos.h>
#include <png/png.h>
#include <zlib/zlib.h>
/* font data */
extern char wfont[];
/* textures */
pvr_ptr_t font_tex;
pvr_ptr_t back_tex;
char *data;
/* init background */
void back_init()
{
back_tex = pvr_mem_malloc(512*512*2);
png_to_texture("/rd/background.png", back_tex, PNG_NO_ALPHA);
}
/* init font */
void font_init()
{
int i,x,y,c;
unsigned short * temp_tex;
font_tex = pvr_mem_malloc(256*256*2);
temp_tex = (unsigned short *)malloc(256*128*2);
c = 0;
for(y = 0; y < 128 ; y+=16)
for(x = 0; x < 256 ; x+=8) {
for(i = 0; i < 16; i++) {
temp_tex[x + (y+i) * 256 + 0] = 0xffff * ((wfont[c+i] & 0x80)>>7);
temp_tex[x + (y+i) * 256 + 1] = 0xffff * ((wfont[c+i] & 0x40)>>6);
temp_tex[x + (y+i) * 256 + 2] = 0xffff * ((wfont[c+i] & 0x20)>>5);
temp_tex[x + (y+i) * 256 + 3] = 0xffff * ((wfont[c+i] & 0x10)>>4);
temp_tex[x + (y+i) * 256 + 4] = 0xffff * ((wfont[c+i] & 0x08)>>3);
temp_tex[x + (y+i) * 256 + 5] = 0xffff * ((wfont[c+i] & 0x04)>>2);
temp_tex[x + (y+i) * 256 + 6] = 0xffff * ((wfont[c+i] & 0x02)>>1);
temp_tex[x + (y+i) * 256 + 7] = 0xffff * (wfont[c+i] & 0x01);
}
c+=16;
}
pvr_txr_load_ex(temp_tex, font_tex, 256, 256, PVR_TXRLOAD_16BPP);
}
void text_init()
{
int length = zlib_getlength("/rd/text.gz");
gzFile f;
data = (char *)malloc(length+1); // I am not currently freeing it
f = gzopen("/rd/text.gz", "r");
gzread(f, data, length);
data[length] = 0;
gzclose(f);
printf("length [%d]\n", length);
}
/* draw background */
void draw_back(void)
{
pvr_poly_cxt_t cxt;
pvr_poly_hdr_t hdr;
pvr_vertex_t vert;
pvr_poly_cxt_txr(&cxt, PVR_LIST_OP_POLY, PVR_TXRFMT_RGB565, 512, 512, back_tex, PVR_FILTER_BILINEAR);
pvr_poly_compile(&hdr, &cxt);
pvr_prim(&hdr, sizeof(hdr));
vert.argb = PVR_PACK_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
vert.oargb = 0;
vert.flags = PVR_CMD_VERTEX;
vert.x = 1;
vert.y = 1;
vert.z = 1;
vert.u = 0.0;
vert.v = 0.0;
pvr_prim(&vert, sizeof(vert));
vert.x = 640;
vert.y = 1;
vert.z = 1;
vert.u = 1.0;
vert.v = 0.0;
pvr_prim(&vert, sizeof(vert));
vert.x = 1;
vert.y = 480;
vert.z = 1;
vert.u = 0.0;
vert.v = 1.0;
pvr_prim(&vert, sizeof(vert));
vert.x = 640;
vert.y = 480;
vert.z = 1;
vert.u = 1.0;
vert.v = 1.0;
vert.flags = PVR_CMD_VERTEX_EOL;
pvr_prim(&vert, sizeof(vert));
}
/* draw one character */
void draw_char(float x1, float y1, float z1, float a, float r, float g, float b, int c, float xs, float ys)
{
pvr_vertex_t vert;
int ix, iy;
float u1, v1, u2, v2;
ix = (c % 32) * 8;
iy = (c / 32) * 16;
u1 = (ix + 0.5f) * 1.0f / 256.0f;
v1 = (iy + 0.5f) * 1.0f / 256.0f;
u2 = (ix+7.5f) * 1.0f / 256.0f;
v2 = (iy+15.5f) * 1.0f / 256.0f;
vert.flags = PVR_CMD_VERTEX;
vert.x = x1;
vert.y = y1 + 16.0f * ys;
vert.z = z1;
vert.u = u1;
vert.v = v2;
vert.argb = PVR_PACK_COLOR(a,r,g,b);
vert.oargb = 0;
pvr_prim(&vert, sizeof(vert));
vert.x = x1;
vert.y = y1;
vert.u = u1;
vert.v = v1;
pvr_prim(&vert, sizeof(vert));
vert.x = x1 + 8.0f * xs;
vert.y = y1 + 16.0f * ys;
vert.u = u2;
vert.v = v2;
pvr_prim(&vert, sizeof(vert));
vert.flags = PVR_CMD_VERTEX_EOL;
vert.x = x1 + 8.0f * xs;
vert.y = y1;
vert.u = u2;
vert.v = v1;
pvr_prim(&vert, sizeof(vert));
}
/* draw a string */
void draw_string(float x, float y, float z, float a, float r, float g, float b, char *str, float xs, float ys) {
pvr_poly_cxt_t cxt;
pvr_poly_hdr_t hdr;
float orig_x = x;
pvr_poly_cxt_txr(&cxt, PVR_LIST_TR_POLY, PVR_TXRFMT_ARGB4444, 256, 256, font_tex, PVR_FILTER_BILINEAR);
pvr_poly_compile(&hdr, &cxt);
pvr_prim(&hdr, sizeof(hdr));
while (*str) {
if (*str == '\n')
{
x = orig_x;
y += 40;
str++;
continue;
}
draw_char(x, y, z, a, r, g, b, *str++, xs, ys);
x+=8*xs;
}
}
/* base y coordinate */
int y = 0;
/* draw one frame */
void draw_frame(void)
{
pvr_wait_ready();
pvr_scene_begin();
pvr_list_begin(PVR_LIST_OP_POLY);
draw_back();
pvr_list_finish();
pvr_list_begin(PVR_LIST_TR_POLY);
/* 1720 and 480 are magic numbers directly related to the text scrolling
* 1720 is enough room for the whole text to scroll from the bottom of
* the screen to off the top. 31 lines * 40 pixels + 480 pixel high screen
* 480 is the height of the screen (starts the text at the bottom)
*/
draw_string(0, y % 1720 + 440, 3, 1, 1,1,1, data, 2, 2);
pvr_list_finish();
pvr_scene_finish();
y--;
}
/* romdisk */
extern uint8 romdisk_boot[];
KOS_INIT_ROMDISK(romdisk_boot);
int main(void)
{
int done = 0;
/* init kos */
pvr_init_defaults();
/* init font */
font_init();
/* init background */
back_init();
/* init text */
text_init();
/* keep drawing frames until start is pressed */
while(!done) {
MAPLE_FOREACH_BEGIN(MAPLE_FUNC_CONTROLLER, cont_state_t, st)
if (st->buttons & CONT_START)
done = 1;
MAPLE_FOREACH_END()
draw_frame();
}
return 0;
}
Code: Select all
||=== another png attempt, default ===|
.objs\main.o||In function `back_init':|
C:\Users\Devin\Downloads\another png attempt\main.c|29|undefined reference to `_png_to_texture'|
.objs\main.o||In function `font_init':|
C:\Users\Devin\Downloads\another png attempt\main.c|56|undefined reference to `_wfont'|
.objs\main.o||In function `text_init':|
C:\Users\Devin\Downloads\another png attempt\main.c|71|undefined reference to `_zlib_getlength'|
C:\Users\Devin\Downloads\another png attempt\main.c|71|undefined reference to `_gzopen'|
C:\Users\Devin\Downloads\another png attempt\main.c|71|undefined reference to `_gzread'|
C:\Users\Devin\Downloads\another png attempt\main.c|71|undefined reference to `_gzclose'|
.objs\main.o:(.data+0x0)||undefined reference to `_romdisk_boot'|
||=== Build finished: 7 errors, 0 warnings ===|
I think I forgot to, I will go check that........